JP3064634U - Glasses lens processing jig - Google Patents

Abstract

(57) [Problem] To make it possible to easily perform positioning, and to perform a concave processing of a groove in a spectacle lens in a stable state. A component mounting groove provided on an edge portion adjacent to a component mounting hole L1 formed in an eyeglass lens L is recessed by a power tool for rotating a bar-shaped file around an axis. The rod-shaped file 4 is formed by setting at least one end of the plate-shaped jig main body 2 to be laminated on the eyeglass lens L in a forked shape.
File fitting groove 22 formed so as to fit therein
And positioning projections 3 protruding outward from the inside of the fitting groove 22 and fitted into the component mounting hole L1.
Are provided.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a jig for processing an eyeglass lens in which a part mounting groove for mounting an eyeglass part such as a hinge or a bridge is formed in the eyeglass lens.

[0002]

[Prior art]

 Usually, in the case of so-called frameless eyeglasses, in which the eyeglass lens is directly attached to the hinge or bridge without a lens frame, component mounting holes are formed on both sides of the eyeglass lens, and the component mounting hole is cut off from the edge. The component mounting groove is recessed toward, and the hinge and bridge are directly fixed to the spectacle lens using the component mounting hole and the component mounting groove. The component mounting hole is formed by using a dedicated drilling machine, and the component mounting groove is formed by cutting using a dedicated rotary file.

[0003]

[Problems to be solved by the invention]

 By the way, since the above-mentioned component mounting hole is formed by supplying an eyeglass lens to a drilling machine such as a drilling machine installed at a predetermined position, it is possible to easily and accurately perform a drilling operation in a stable state. The above-mentioned component mounting groove is formed by using a hand-held power tool with a rotatable rod-shaped file attached at the end, and operating the electric jig with the other hand while supporting the glasses lens with one hand. The eyeglass lens must be pressed against the lens to carve the groove, and if the user loosens even a little during the operation, the placed lens may be displaced. There was a problem that it was very difficult to do.

The present invention has been devised in view of the conventional situation as described above, and performs concave processing of a component mounting groove in a glasses lens in a stable state while enabling easy positioning. It is an object of the present invention to provide a lens processing jig capable of performing eyeglasses.

[0005]

[Means for Solving the Problems]

 The invention according to claim 1 is used when a component mounting groove provided in an edge portion adjacent to a component mounting hole formed in a glasses lens is recessed by a power tool for rotating a bar-shaped file around an axis. An eyeglass lens processing jig provided with a plate-shaped jig main body laminated on the eyeglass lens, wherein the jig main body has at least one end portion formed in a bifurcated shape. It has a file fitting groove formed so that a bar-shaped file can be fitted therein, and a positioning projection that is protruded outward from the depth of the fitting groove and is fitted into the component mounting hole is provided. It is a feature.

[0006] According to this invention, while fitting the positioning projection of the jig main body into the component mounting hole pre-drilled in the eyeglass lens, the jig is adjusted in a state where it is adjusted to the position of the eyeglass lens in which the file fitting groove is to be recessed. By stacking the tool body on the spectacle lens, the lens processing jig is attached to the eyeglass lens. In this state, the high-speed rotating rod-shaped file of the power tool is fitted into the filing groove while the peripheral surface is in contact with the eyeglass lens, and the surface of the eyeglass lens is pressed. The surface of the spectacle lens in the groove is cut with a bar-shaped file, and the component mounting groove is recessed.

As described above, since the jig body is laminated on the eyeglass lens, and the rod-shaped file is inserted into the insertion groove, the component mounting groove is recessed in the eyeglass lens. The position where the eyeglass lens component mounting groove should be recessed is accurately determined, and the surface of the eyeglass lens is cut off by a rod-shaped file guided in the fitting groove, thereby causing the conventional recess The occurrence of inconvenience, such as a displacement, is reliably prevented.

[0008] Therefore, by employing such a lens processing jig, anyone who has conventionally required skill in digging a component mounting groove can be made, and standardization and rationalization of the groove digging work can be performed. It is effective in aiming at.

According to a second aspect of the present invention, in the first aspect of the present invention, the jig body is formed in a curved state so as to correspond to a curved surface of an eyeglass lens. It is.

According to this invention, if the jig body in a curved state is laminated on the eyeglass lens, the jig body comes into surface contact with the eyeglass lens, so that the state of lamination of the lens processing jig on the eyeglass lens is stable. I do.

[0011]

[Embodiment of the invention]

 FIG. 1 is a perspective view showing an embodiment of a lens processing jig according to the present invention before assembling, and FIG. 2 is an enlarged perspective view of a positioning projection. FIG. 3 is an assembly view of a lens processing jig. FIG. 3A is a perspective view, and FIG. 3B is a cross-sectional view taken along line AA of FIG. As shown in FIG. 1, the lens processing jig 1 includes a jig main body 2 made of a metal square material, and a positioning projection 3 mounted and fixed to the jig main body 2.

In the present embodiment, the jig body 2 is made of a brass square member, has a thickness dimension of about 3 mm, and has a length dimension that is the same as the left-right width dimension of the glasses lens L. It is set to the same or slightly shorter about 50 mm. The width is considerably smaller than the vertical dimension of the glasses lens L, and is set to approximately 7 mm.

The jig main body 2 is curved over the entire length in the longitudinal direction so as to match the curved surface on the convex side of the eyeglass lens L, and has one end (the right end in FIG. 1) in a forked shape. The forked portion 21 is formed, and the forked portion 21 forms a file fitting groove 22 for fitting a bar-shaped file 41 described later. Further, a pair of protrusions 23 protruding toward the rear surface side are provided at the leading end of the forked portion 21. Note that the projections 23 are not essential and need not be particularly provided.

The file fitting groove 22 is dimensioned such that the distance from the inner edge of the projection 23 to the groove depth is longer than the distance from the edge of the lens L to the component mounting hole L1. ing.

The positioning projection 3 is pressed into the innermost part of the file fitting groove 22 as described above. As shown in FIG. 2, the positioning projection 3 is formed by a cylindrical body having a part of the peripheral surface cut out over the entire length in the longitudinal direction, and includes an upper cylindrical part 31 and a lower part of the cylindrical part 31. And a semi-cylindrical portion 32 extending in half.

The semi-cylindrical portion 32 is formed by cutting the positioning projections 3 further left and right by approximately a quarter of the circumference from the above-mentioned notch portion (the slit portion of the positioning projection 3 shown in FIG. 2). ing. When the semi-cylindrical portion 32 is pressed into the innermost portion of the file fitting groove 22 from above, the positioning projection 3 is mounted on the jig main body 2 as shown in FIG.

FIG. 4 is a perspective explanatory view for explaining the work of forming the component mounting groove L 2 using the lens processing jig 1, and FIG. 4A is a perspective view of the lens processing jig 1. (B) is a state in which the lens processing jig 1 is mounted on the eyeglass lens L, and (c) is a state in which the component mounting groove L2 is being recessed in the eyeglass lens L. Are respectively shown. (D) shows the eyeglass lens L which is recessed in the component mounting groove L2.

First, as shown in FIG. 4A, with the convex side of the lens L facing upward, the positioning protrusion 3 of the jig main body 2 of the lens processing jig 1 is used as a component of the lens L. The semi-cylindrical portion 32 of the positioning projection 3 is fitted into the component mounting hole L1 as shown by the arrow, facing the mounting hole L1. Then, as shown in FIG. 4B, the jig body 2 is stacked on the upper surface of the lens L while the protrusion 23 faces the edge of the lens L.

In this state, as shown in FIG. 4C, the electric tool 4 is gripped by the right hand while the eyeglass lens L and the lens processing jig 1 are stacked by the left hand. A rod-shaped file 41 rotating at a high speed at its tip is fitted into the file fitting groove 22 of the jig body 2 while being laid down, and the peripheral surface of the file-shaped file 41 is located in the file fitting groove 22 on the surface of the lens L. Press. By doing so, the surface of the eyeglass lens L in the file fitting groove 22 is cut by the high-speed rotation of the bar-shaped file 41, and a part mounting groove L2 as shown in FIG. .

In the lens processing jig 1 of the present invention, the component mounting groove L2 provided on the edge portion adjacent to the component mounting hole L1 formed in the eyeglass lens L is formed by using the rod-shaped file 41 around the axis. It is used when the electric tool 4 is rotated to be recessed, and at least one end of the plate-shaped jig main body 2 laminated on the eyeglass lens L is bifurcated to form the rod-like shape. A file fitting groove 22 formed so that a file 41 can be fitted therein, and a positioning projection 3 that is protruded outward from the depth of the fitting groove 22 and is fitted into the component mounting hole L1. By fitting the positioning protrusion 3 of the jig main body 2 into the component mounting hole L1 of the eyeglass lens L and stacking the jig main body 2 on the eyeglass lens L, the lens processing jig is mounted on the eyeglass lens L. can do.

In this state, the rod-shaped file 41 rotating at a high speed of the electric tool is fitted into the file-fitting groove 22 while the peripheral surface thereof is laid so as to contact the eyeglass lens L, and the rod-shaped file 41 is used. By pressing the surface of the spectacle lens L, the surface of the spectacle lens L in the fitting groove is cut by the rod-shaped file 41, thereby forming the component mounting groove L2 in the surface of the spectacle lens L. it can.

As described above, the jig body 2 is laminated on the eyeglass lens L, and the component mounting groove L2 can be recessed in the eyeglass lens L in a state where the bar-shaped file 41 is fitted in the file fitting groove 22. Therefore, the position where the component mounting groove L2 of the eyeglass lens L should be recessed is accurately positioned by the file fitting groove 22, and the rod-shaped file 41 guided by the file fitting groove 22 allows the lens lens L to be mounted. Since the surface is cut, it is possible to reliably prevent the inconvenience in which the recessed position, which has conventionally occurred, fluctuates.

Therefore, by employing such a lens processing jig 1, anyone can perform the work of arranging the component mounting groove L 2, which has conventionally required skill, and standardize and rationalize the operation of forming the groove. It is effective in aiming at.

In the above embodiment, with the lens processing jig 1 attached to the eyeglass lens L, as shown in FIG. 4C, the stacked jig body 2 and the eyeglass lens 5 is held by the left hand, and the power tool 4 is held by the right hand to perform the concave work of the component mounting groove L2. Instead of this, as shown in FIG. The eyeglass lens L is mounted on the edge of the table 5 with the file fitting groove 22 facing outward, and the jig body 2 and the eyeglass lens L are held by the left hand with the electric tool. 4, the component mounting groove L2 may be recessed.

[0025] By doing so, the support of the eyeglass lens L is performed more reliably than when the eyeglass lens L and the lens processing jig 1 are grasped with the left hand, and the concave part of the component mounting groove L2 is provided. Work can be performed in a more stable state. Also, since the stacked lens L of the jig body 2 is placed on the table 5, the lower end surface of the guide projection 23 of the lens processing jig 1 comes into contact with the surface of the table 5. In addition, the mounting state of the lens processing jig 1 with respect to the eyeglass lens L is stabilized, whereby the work of easily and surely forming the component mounting groove L2 is realized.

[0026]

[Effect of the invention]

 According to the invention of claim 1, since the jig body is laminated on the eyeglass lens, and the rod-shaped file is inserted into the insertion groove, the component mounting groove is recessed in the eyeglass lens. The position where the component mounting groove of the eyeglass lens should be recessed is accurately positioned by the recessed groove, and the surface of the lens is cut off by the rod-shaped file guided in the recessed groove. It is possible to reliably prevent the occurrence of inconveniences such as the installation position swinging.

By adopting such a lens processing jig, the work of recessing the component mounting groove can be performed by anyone without any skill, and the standardization of the groove recessing work can be achieved. Streamlining can be achieved.

According to the second aspect of the present invention, the jig body is formed in a curved state so as to correspond to the curved surface of the eyeglass lens. Therefore, by stacking the jig body on the eyeglass lens, the jig body becomes The lens is in surface contact with the spectacle lens, and the state of stacking of the lens processing jig on the spectacle lens can be stabilized.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a lens processing jig for glasses.

FIG. 2 is an enlarged perspective view of a positioning protrusion before assembly.

3A and 3B are assembly views of the lens processing jig shown in FIG. 1, wherein FIG. 3A is a perspective view and FIG. 3B is a cross-sectional view taken along line AA of FIG.

FIG. 4 is a perspective explanatory view for explaining a work of forming a component mounting groove using a lens processing jig, and FIG. 4 (a) shows a state immediately before the lens processing jig is mounted on a spectacle lens;
(B) shows a state in which the lens processing jig is mounted on the eyeglass lens L, and (c) shows a state in which the component mounting groove is being formed in the eyeglass lens L. Also,
(D) shows a spectacle lens in which a component mounting groove is concaved.

FIG. 5 is a perspective explanatory view for explaining another embodiment of the work of recessing the component mounting groove using the lens processing jig.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Jig for lens processing 2 Jig main body 21 Bifurcated part 22 File fitting groove 23 Projection 3 Positioning projection 31 Cylindrical part 32 Semi-cylindrical part 4 Electric tool 41 Bar-shaped file L Glasses lens L1 Parts mounting hole L2 Parts mounting groove

Claims (2)

[Utility model registration claims] An eyeglass lens used for forming a component mounting groove provided in an edge portion adjacent to a component mounting hole formed in a glass lens by an electric tool for rotating a rod-shaped file around an axis. A jig body for plate, which is laminated on the eyeglass lens, and the jig body can be fitted with the bar-shaped file by setting at least one end to a forked shape. A spectacle lens having a file fitting groove formed as described above, and a positioning projection that is fitted into the component mounting hole and protrudes outward from the inside of the groove of the fitting groove. Jig for processing. 2. The jig for processing an eyeglass lens according to claim 1, wherein the jig body is formed in a curved state so as to correspond to a curved surface of the eyeglass lens.