JPH0961637A - File holder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve the alignment precision of the file holder by simplifying operation for alignment positioning which is performed each time an optical fiber is set on optical fiber machining equipment and decreasing the frequency of the alignment positioning of the file holder. SOLUTION: This file holder is equipped with a base which is constituted detachably to and detachably from the holder mount part 21 of the optical fiber machining equipment and a separation holder 23 which is constituted detachably to and detachably from a separation holder mount part 24 formed on the base 22 and has an alignment support means 44 for the optical fiber 34; and an aligning means 35 which supports the optical fiber 34 so that the alignment axis of the alignment support means 44 of the separation holder 23 mounted on the separation holder mount part 24 is aligned is provided on the top surface 22a of the base 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fiber holder for aligning and supporting an optical fiber in an optical fiber processing device such as an optical fiber cutting device.

[0002]

2. Description of the Related Art Conventionally, a fiber holder has been used by being attached to optical fiber processing equipment such as an optical fiber cutting device and an optical fiber connecting device. In the optical fiber cutting device, the fiber holder that clamps and supports the optical fiber at another place is positioned and mounted in the holder mounting portion formed in the optical fiber processing device, and is projected outside the fiber holder. It is designed to cut the optical fiber.

FIG. 2 is a perspective view showing an optical fiber cutting device. In the drawing, reference numeral 1 is an optical fiber cutting device, 2 is a clamp lid, 3 is a cutter, 4 is a holder mounting portion, and 5 is a fiber holder. . The holder mounting portion 4 is a fiber holder 5
Has a holder mounting groove 6 into which is inserted. The holder mounting groove 6 has a flat bottom surface, is formed to a depth such that the upper surface 7 which is also formed flat and the upper surface 9 of the fiber holder 5 inserted therein are flush with each other, and Is formed so that it can be precisely supported at a fixed position. The fiber holder 5 includes a plate-shaped base 8 and an upper surface 9 of the base 8.
An opening / closing lid 12 for clamping the optical fiber 11 is provided in the positioning groove 10 formed in the. The positioning groove 10 is arranged such that when the fiber holder 5 is inserted into the holder mounting groove 6, the centering axis of the positioning groove 10 is located on the upper surface 7 of the holder mounting portion 4. The optical fiber cutting device 1
The optical fiber 11 clamped in the fiber holder 5 is arranged on the cutter 3 and cut to obtain a target cut end face.

[0004]

By the way, in the case of the fiber holder 1 as described above, for example, in order to butt-connect the cut optical fiber 11 to another optical fiber by using an optical fiber connecting device, It is necessary to take out the optical fiber 11 from the fiber holder 5 once and align the optical fiber 11 with the fiber holder of the optical fiber connecting device, which is troublesome. In addition, there is a problem that if the number of times of alignment of the fiber holder is large, it causes a decrease in alignment accuracy of the fiber holder.

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a fiber holder which can reduce the number of times of centering and positioning and improve the working efficiency and working accuracy of an optical fiber. To do.

[0006]

The present invention has the following features to attain the object mentioned above. That is, in the fiber holder according to claim 1, the base is detachably mounted on the holder mounting portion of the optical fiber processing device, and the detachable holder mounting portion is formed on the base. A separation holder having a supporting means,
On the upper surface of the base, there is provided centering means for supporting the optical fiber by aligning the centering axis lines of the centering support means of the separation holder mounted in the separation holder mounting portion with each other. did.

According to the fiber holder of the second aspect, in the fiber holder according to the first aspect, a separating mechanism for separating the separation holder mounted on the base from the base is provided as a means for solving the above-mentioned problems.

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a fiber holder of the present invention will be described below with reference to FIGS. Reference numeral 20 in the figure denotes the fiber holder of the present embodiment. As shown in FIG. 1, the fiber holder 20 has a base 22 detachably attached to a holder attachment portion 21 of an optical fiber processing device such as the optical fiber cutting device shown in FIG. 3, and is detachably attached to the base 22. And a separation holder 23 configured.

The base 22 is formed of metal, resin, or the like into a rectangular plate shape. A groove-shaped separation holder mounting portion 24 for mounting the separation holder 23 is formed on the upper surface 22a on one side in the longitudinal direction of the base 22. An inner hole 28 is formed in the bottom surface 25 of the separation holder mounting portion 24 to house a push-out end portion 27 of a push-out bar 26 as a detaching mechanism that pushes the separation holder 23 out of the separation holder mounting portion 24 and detaches it from the base 22. ing. The separation holder mounting portion 24 is provided with a ball plunger 23a that presses the separation holder 23. Separation holder 2
The stable holding means of 3 may be other than the ball plunger.

The push-out bar 26 is an L-shaped rod member, and comprises the push-out end portion 27 and a shaft 29 for rotating the push-out end portion 27 along an axis parallel to the longitudinal direction of the base 22. ing. The shaft 29 has a base 22.
It is rotatably arranged in parallel with the longitudinal direction of the base 22 in a bracket portion 31 protruding from the bottom surface 30 of the. The bracket portion 31 also functions as a positioning means for the holder mounting portion 21 of the base 22. Axis 29
The end opposite to the extruded end 27 of the base 22 is
A rotational torque about the axis is applied by a handle 29a that is projected from one end face 30 in the longitudinal direction of the and is fixed to the tip of this projecting portion. Handle 29a
The other end of a spring 33, one end of which is fixed to a fixed position of the base 22, is attached to the base end portion 32.

On the upper surface 22a from the central portion of the base 22 to the other side (upper right rear side in FIG. 1), a pair of positioning members are arranged close to each other to form a slit 35 for positioning the optical fiber 34. A plurality of pairs of 36 are provided. Each positioning protrusion 36 has a pair of slits 35.
Are arranged on the same straight line through the dividing portion 35a. At the other end of the base 22, a clamp lid 37 that clamps the optical fiber 34 arranged in the slit 35 between the optical fiber 34 and the base 22 is provided. The clamp lid 37 is attached to the base 22 by a pivot shaft 39 rotatably supported by a bracket 38 protruding from the base upper surface 22a.
Is rotatably supported by an axis parallel to the longitudinal direction of the. Further, the clamp lid 37 is configured to be fitted into the dividing portion 35a when the clamp lid 37 is rotated toward the base upper surface 22a side and to be able to contact the base upper surface 22a. At the center of the clamp lid 37, when the clamp lid 37 is fitted into the dividing portion 35a, a protrusion inner hole 40 for forming a pair of positioning protrusions 36a protruding at the center of the dividing portion 35a is formed. ing.

The separation holder 23 includes a holder body 41 formed in a substantially rectangular plate shape that can be inserted into the separation holder mounting portion 24, and a clamp lid 43 for clamping the optical fiber 34 on an upper surface 42 of the holder body 41. Is equipped with.
By arranging the pair close to each other at both longitudinal end portions and the central portion of the upper surface 42 of the holder body 41,
A plurality of pairs of positioning protrusions 45 that form slits 44 as alignment support means for positioning the optical fiber 34 are provided. The pair of positioning protrusions 45 are continuously provided via a dividing portion 46, with the aligning axis of each slit 44 aligned on the same straight line parallel to the longitudinal direction of the holder body 41. The upper surface 42 of the holder body 41 is located on the same plane as the upper surface 22a of the base when the separation holder 23 is inserted into the separation holder mounting portion 24. The array axis of the slits 44 coincides with the array axis of the slits 35 formed by the positioning protrusions 36 of the base 22 when the separation holder 23 is inserted into the separation holder mounting portion 24.

The clamp lid 43 has a shaft 4 supported by a bracket 47 protruding from the upper surface 42 of the holder body 41.
8, the holder body 41 is rotatably supported by an axis parallel to the longitudinal direction of the holder body 41. Also, the clamp lid 43
Is formed so that it can be inserted into the dividing portion 46 when it is rotated in the direction of the upper surface 42 of the holder body 41, and the optical fiber 34 can be clamped between the optical fiber 34 and the upper surface 42 of the holder body 41. At the center of the clamp lid 43, the clamp lid 4
When 3 is fitted into the dividing portion 46, a protrusion-inner hole 49 for accommodating a pair of positioning protrusions 45a protruding in the central portion of the dividing portion 46 is formed.

The operation and effect of the present invention will be described below. The fiber holder 20 includes a separation holder mounting portion 24.
When the separation holder 23 is inserted into the slit 35,
The optical fiber 34 is inserted into 44, clamped, and mounted on the holder mounting portion 21 of the optical fiber processing device. In this case, the optical fiber 34 projected from one of the longitudinal end faces 30 and 50 of the base 22 is processed by an optical fiber processing device.

The fiber holder 20 includes a handle 2
By operating 9a, the separation holder 23 inserted into the separation holder mounting portion 24 can be pushed out from the separation holder mounting portion 24. Therefore, the separation holder 23 is clamped while the optical fiber 34 is clamped. The optical fiber 34 can be aligned and positioned simply by pushing it out from the optical fiber and moving it to a holder mounting portion of another optical fiber processing device. At this time, since the amount of protrusion of the optical fiber 34 from the separation holder 23 has not changed since the processing in the optical fiber processing device before the transfer, the processing position of the optical fiber 34 in the optical fiber processing device to which the separation holder 23 is transferred is changed. Is easy to position. For example, the fiber holder 2
After cutting the optical fiber 34 held at 0 by an optical fiber cutting device, as shown in FIG. 2, an optical fiber connecting device 51 (optical fiber processing equipment) for supporting the optical fiber connecting device 53 and butt-connecting the optical fiber 34. When the separation holder 23 taken out from the separation holder mounting portion 24 is transferred to the separation holder mounting portion 52, the separation holder 23 is mounted on the holder mounting portion 52 and, at the same time, the optical fiber supported by the optical fiber connecting device 51 is mounted. The centering position and the insertion amount of the optical fiber 34 with respect to the fiber connector 53 are set, or the setting is easy.

As the separation holder mounting portion of the optical fiber processing equipment to which the separation holder 23 is transferred, the separation holder 2 is used.
An insertion groove into which 3 is directly inserted, a separation holder mounting portion formed on a member such as the base 22 installed as an adapter, and the like are applied. Further, the separation holder 23 may be moved to another separation holder mounting portion provided in the same optical fiber processing device.

Accordingly, the fiber holder 20 of the present invention.
According to the above, the separation holder 2 supporting the optical fiber 34 in alignment is provided.
3 is removed from the base 22 and another separation holder mounting portion 24
Since the optical fiber 34 can be positioned at the processing position or can be held in a state where the positioning is easy, the processing efficiency of the optical fiber 34 can be improved. Further, since the number of times of alignment of the optical fiber 34 is reduced and the alignment error between the processing steps is reduced, the optical fiber 34
Processing accuracy is improved.

The slit 3 is used as the centering support means and centering means formed on the base 22 and the separation holder 23.
5, 44, the upper surface 22 of the base 22 and the holder main body 41
It is also possible to apply a positioning groove such as a V groove formed in a and 42, a V groove in which a microcapillary is installed or a positioning groove other than the V groove, and a centering structure using a precision rod or a precision ball.

[0019]

As described above, according to the fiber holder of the first aspect, the base that is detachably attached to the holder mounting portion of the optical fiber processing device and the separation holder mounting portion formed on the base. The detachable holder is provided with a separating holder having an optical fiber aligning supporting means, and the aligning supporting means of the separating holder mounted in the separating holder mounting portion are aligned with each other on the upper surface of the base. The optical fiber is positioned on another optical fiber processing device simply by providing the aligning means for supporting the optical fiber and detaching the separation holder supporting the optical fiber from the base and moving it to another separation holder mounting part. Alternatively, since the positioning can be maintained in an easy state, the processing efficiency of the optical fiber is improved, and the number of times of the optical fiber alignment and positioning is reduced, and Because of alignment errors is reduced, the machining accuracy of the optical fiber is improved.

According to a second aspect of the present invention, there is provided the fiber holder according to the first aspect, wherein a separation mechanism for separating the separation holder mounted on the base from the base is provided,
Since the separation holder is easily detached, the processing efficiency of the optical fiber is further improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a fiber holder of the present invention.

FIG. 2 is a perspective view showing the operation of the fiber holder of FIG.

FIG. 3 is a perspective view showing a conventional example.

[Explanation of symbols]

20 ... Fiber holder, 21 ... Holder mounting part, 22 ... Base, 23 ... Separation holder, 24 ... Swim holder mounting part, 2
6 ... Detachment mechanism (extrusion bar), 34 ... Optical fiber, 3
5 ... Alignment support means (slit), 44 ... Alignment support means (slit), 51 ... Optical fiber processing device (optical fiber connection device), 52 ... Separation holder mounting part.

Claims (2)

[Claims] 1. A fiber holder (20) for aligning and supporting an optical fiber (34) in an optical fiber processing device (51) such as an optical fiber cutting device, which is installed in a holder mounting portion (21) of the optical fiber processing device. A detachable holder (2) having an attachable / detachable base (22) and an attachable / detachable detachable holder mounting section (24) formed on the base, and having an optical fiber alignment support means (44).
3), and aligning means (35) for supporting the optical fiber on the upper surface of the base by aligning the aligning support means of the separation holder mounted on the separation holder mounting portion with the centering axis line of each other.
A fiber holder characterized by being provided with. 2. The fiber holder according to claim 1, further comprising a detachment mechanism (26) for detaching the separation holder attached to the base from the base.