JPH085128B2 - Mold for embossed nameplate - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mold for an embossed name plate which is attached to a press machine to form an embossed portion on a name plate film.

[0002]

2. Description of the Related Art In a conventional mold for an embossed name plate, a movable mold and a fixed mold are each formed of a thick iron plate having a thickness of 10 mm to 20 mm. Then, in the movable die, parts corresponding to the plurality of embossed parts are indexed by using an indexing device, and then these parts are engraved to form, for example, convex parts. Further, in the fixed die, the embossed portions are indexed in the same manner as the movable die, and these portions are engraved to form the concave portions. Then, the fixed die is attached to the fixed part of the press, the movable die is attached to the movable part, the film for nameplate is placed on the fixed die, and the movable die is pressed against the film for nameplate, and the embossed nameplate is attached. Is being molded.

[0003]

The mold for the embossed nameplate having the above-mentioned structure has the following problems. (1) Since the movable mold and the fixed mold each have a molding site indexed by an indexing device, and then each site is engraved by electric discharge machining or the like to form a concave or convex portion, the cost is high. , It takes a lot of production days. (2) Especially when a large number of small nameplates are to be mass-produced, a multi-sided mold is manufactured. That is, a plurality of molding dies are engraved in one block, but in this case, since the step (1) is repeated a plurality of times, the number of manufacturing days of the mold becomes significantly long. (3) When attaching to a press machine, since the positions of the concave portion and the convex portion that form the embossed portion are made to coincide with each other, alignment between the movable die and the fixed die is complicated and troublesome.

The present invention has been made in view of the above circumstances, and an object thereof is to reduce the manufacturing cost, shorten the number of manufacturing days, facilitate the alignment between the movable mold and the fixed mold, and obtain the multi-faceted structure. The mold is to provide a mold for embossed nameplate that can be manufactured in a short period of time.

[0005]

SUMMARY OF THE INVENTION The present invention is directed to mounting a fixed mold.
And the movable part
Attached and moved up and down guided by the guide post
A press machine having a movable part, wherein the movable mold is pressed against a nameplate film placed on a fixed mold to form an embossed part.
In the mold of embossed nameplate for molding, said fixed mold, and a holder attached to the fixed part fitted to the positioning pin of the fixing portion pores having a positioning hole, the said faceplate made from the photosensitive resin the portion corresponding to the embossed portion is exposed by photolithography, etching by and composed of a secured been lower mold in a predetermined position of the holder comprises a concave type or convex for forming the embossed portion, the movable The mold, a holder having a positioning hole and fitted to the positioning pin of the movable part and attached to the movable part, and a portion made of a photosensitive resin and corresponding to the embossed part of the nameplate are exposed by photolithography, etched by consist of the attached has been the upper mold at a predetermined position of the holder with a convex or concave form for molding the embossed portion, to form the lower mold or upper mold into the guide hole Together, characterized in was erected guide pin which holds the horizontal relationship positions of the upper and lower mold fixed fitted in the guide hole in the upper mold or the lower mold.

[0006]

According to the present invention, the fixed mold is composed of the holder and the lower mold made of the photosensitive resin, and the movable mold is composed of the holder and the upper mold made of the photosensitive resin. a site at which the molding can be determined in Ippen by photolithography, further, subjected to exposure once by photolithography, it is possible to provide a concave-type or convex type is etched, type fabrication is facilitated, The number of production days can be shortened. Also, when making multi-sided molds, it is possible to use photolithography as it is to determine multiple embossed parts of each mold at once, and there is no need to index each mold, so multi-sided molds Can be produced in a short time. Since the positioning holes of the fixed holder and the movable holder are fitted to the positioning pins of the fixed portion and the movable portion, the positional relationship between the fixed die and the movable die and the press machine is always kept constant. Since the guide pin of the lower mold fits in the guide hole of the upper mold, the horizontal relative positions of the upper mold and the lower mold can be kept constant, and further, the upper mold and the lower mold can be stored together. , No need for alignment when re-installing.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. In FIG. 2, the fixed portion 2 of the press machine 1 is provided with guide posts 3 standing upright at two locations. A spring 3a and a roller guide 3b are attached to these guide posts 3, respectively, and these are movable parts 4a and 4b.
The movable part 4 is fitted in the hole 5 and is movable up and down.

Positioning pins 6 are provided upright at two locations on the fixed portion 2 and the movable portion 4, respectively, on a diagonal line, and screw holes 7 are formed at the other two locations (the positioning pin 6 is provided at the movable portion 4).
(Only one is shown). As shown in FIG. 3, the embossed name plate 8 is formed by printing a predetermined pattern (not shown) on the surface of a name plate film 8a made of polyester, polycarbonate, polyvinyl chloride or the like, and embossed portions 8b at predetermined plural portions.
Is extruded.

The fixed die 9 is composed of a fixed holder 10 and a lower die 12 attached to the central portion of the upper surface of the fixed holder 10 with an adhesive tape 11. The fixed holder 10 is formed of a thick iron plate, and the positioning hole 13 is fitted to the positioning pin 6 of the fixed portion 2 and the screw 14 is screwed into the screw hole 7 to be attached to the fixed portion 2. The lower mold 12 is about 2
It is composed of a mounting plate 15 formed of a steel plate of mm and a concave mold 16 attached to the upper surface of the mounting plate 15. The concave mold 16 is formed by exposing the surface of a photosensitive resin, such as a photosensitive epoxy resin, attached to the lower surface of the mounting plate 15 to ultraviolet light by photolithography and etching with a solvent.
A plurality of recesses 17 for forming the embossed portion 8b of the name plate 8 are formed. Although not shown, the lower die 12 is provided with pins for setting the nameplate film 8a at the reference position when the nameplate 8 is formed.

The movable die 18 comprises a movable holder 19 and an upper die 21 attached to the center of the lower surface of the movable holder 19 with an adhesive tape 20. The movable holder 19 is formed of a thick iron plate, and the positioning hole 22 is fitted to the positioning pin 6 of the movable portion 4 and the screw 23 is screwed into the screw hole 7 to be attached to the movable portion 4. The upper mold 21 is composed of a mounting plate 24 formed of an iron plate of about 1.5 mm and a convex mold 25 attached to the lower surface of the mounting plate 24. The convex mold 25 has a surface of a photosensitive resin, such as a photosensitive epoxy resin, attached to the lower surface of the mounting plate 24 and having an appropriate thickness.
A plurality of protrusions 26 for forming the embossed portion 8b of the nameplate 8 are formed by exposing the plate to ultraviolet light and etching with a solvent. In this convex mold 25,
Guide pins 27 are provided upright at two positions on the left and right, and when these are fitted into the guide holes 28 formed in the concave mold 16,
The plurality of protrusions 26 concentrically enter the plurality of recesses 17.

Next, the procedure for assembling the molding die will be described. a, the lower die 12 is attached to the central portion of the upper surface of the fixed holder 10 with the adhesive tape 11, and the fixed die 9 is assembled. b, the fixed die 9 is attached to the fixed portion 2 of the press 1. That is, the positioning hole 13 of the fixed holder 10 is fitted into the positioning pin 6 of the fixed portion 2, and the mounting screw 14 is screwed into the screw hole 7.

C, The movable holder 19 is attached to the movable portion 4 of the press 1. That is, the positioning positioning hole 22 of the movable holder 19 is fitted into the positioning pin 6 of the movable portion 4,
The movable screw 18 is attached to the movable portion 4 by screwing the mounting screw 23 into the screw hole 7. d, the upper die 21 is overlaid on the lower die 12, and
The guide pin 27 at a certain position is fitted into the guide hole 28 of the concave die 16 so that the convex portion 26 is aligned with the concave portion 17. e, the adhesive tape 20 is attached to the center of the upper surface of the upper mold 21, and the movable portion 4 of the press 1 is lowered to move the movable holder 1
9 is pressed against the upper mold 21. Thereby, the movable die 18 is assembled.

F, when the embossed name plate 8 is manufactured, the name plate film 8a is placed on the lower mold 12, as shown in FIG. Then, when the movable portion 4 of the press machine 1 is lowered, as shown in FIG.
Then, the embossed name plate 8 is manufactured by forming the embossed portion 8b by molding the name plate film 8a. Then, the movable part 3 is raised and the embossed nameplate 8 is taken out.

G. When storing the molding die, the lower die 12 is attached to the fixed holder 10, the fixed die 9 is removed from the press machine 1, and the upper die 21 is attached to the movable holder 19. The mold 18 is removed from the press 1. Then, the guide pin 27 of the upper die 21 is fitted into the guide hole 28 of the lower die 12, and the movable die 18 is superposed on the fixed die 9.

According to the above embodiment, the following effects can be obtained. That is, (1) the convex portion 25 of the upper die 21 and the concave portion 17 of the lower die 12 are
In each case, since the photosensitive resin is exposed to ultraviolet rays by photoengraving, the positions of the plurality of embossed portions 8b are uniformly determined, and it is not necessary to use an indexing device. Further, the photosensitive resin is exposed to ultraviolet rays by photoengraving and etched with a solvent. Since it is formed by the above, the manufacturing process can be facilitated and the cost can be reduced as compared with the conventional case in which the concave portion and the convex portion are formed by engraving the electric discharge machining or the like. Further, since the number of production days can be shortened, production management becomes easy. (2) When making a multi-sided mold, photoengraving can be used for other molds as well, so the engraving area of each mold is determined by indexing each, and the concave and convex parts are engraved separately from the conventional method. The cost can be reduced and the number of production days can be significantly reduced.

(3) Positioning hole 13 of the fixed holder 10
Since the positioning positioning hole 22 of the movable holder 19 is fitted to the positioning pin 6 of the fixed portion 2 and the movable portion 4, the positional relationship between the fixed die 9 and the movable die 18 and the press machine 1 is always kept constant. (4) When the molding die is removed from the press machine 1, the lower die 1
Since the second guide pin 27 can be stored in a state of being fitted in the guide hole 28 of the upper mold 21, the horizontal relative positions of the upper mold 21 and the lower mold 12 can be kept constant, and even in the case of reproduction,
If the fixed die 9 and the movable die 18 are attached to the press machine 1,
The embossed nameplate 8 can be produced immediately, and it is possible to immediately respond to orders again.

The present invention is not limited to the embodiment described above and shown in the drawings. For example, the upper die 21 may be provided with a concave portion and the lower die 12 may be provided with a convex portion. Various modifications are possible without departing from the gist of the invention, such as that guide pins are provided upright on the lower die 12 and the guide pins may be fitted into the guide holes formed on the upper die 21. is there.

[0018]

The present invention exhibits a fixed, and a holder attached to the fixing portion has a positioning hole is exposed by made photolithography of a photosensitive resin, concave type or convex that by the etching
Consist of the attached has been lower mold in a predetermined position of the holder comprises a mold, a movable mold, a holder attached to the movable part has a positioning hole, by means of photolithography with a made guide holes of the photosensitive resin exposed, with comprises a by that convex or <br/> concave type etching composed of a mounted has been the upper mold at a predetermined position of the holder, to form the lower mold or upper mold into the guide hole, Since the guide pins are erected on the upper mold or the lower mold, the manufacturing cost is low, the manufacturing days can be shortened, the movable mold and the fixed mold can be easily aligned with each other, and the multi-cavity mold can be manufactured in a short time. It has an excellent effect that it can be done.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of a molding die.

FIG. 2 is an exploded perspective view of a press machine.

FIG. 3 is a perspective view of an embossed name plate.

FIG. 4 is a cross-sectional view showing a process of forming an embossed name plate.

FIG. 5 is a sectional view showing a different process for forming an embossed name plate.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Press machine 2 Fixed part 4 Movable part 8 Embossed nameplate 8b Embossed part 9 Fixed type 9 10 Fixed holder 12 Lower mold 13 Positioning hole 16 Recessed type (photosensitive resin) 17 Recessed part 18 Movable type 19 Movable holder 21 Upper type 22 Positioning hole 25 Convex type (photosensitive resin) 26 Convex part 27 Guide pin 28 Guide hole

Claims (1)

[Claims] 1. A guide post for mounting a fixed die.
Attach the fixed part that stands upright and the movable type to the guide post.
With a press equipped with a movable part that is guided by
There, in the mold of embossed nameplate pressed against the placed on the nameplate for film on the fixed mold the movable mold for molding an embossed portion, said stationary die, the fixed portion of the pores having a positioning hole a holder attached to the fixed part fitted to the positioning pins, the portion corresponding to the embossed portion of the nameplate made of a photosensitive resin is exposed by photolithography, molding the <br/> embossed portion by etching consist of the attached has been lower mold in place of the concave type, or the holder includes a convex end, the movable die, the pores have a positioning hole fitted to the positioning pin of the movable portion a holder attached to the movable portion, a portion corresponding to the embossed portion of the nameplate made of a photosensitive resin is exposed by photolithography, a convex or concave form for molding the end <br/> boss by etching before a It is composed of an upper mold attached to a predetermined position of the holder, and a guide hole is formed in the lower mold or the upper mold, and the upper mold and the lower mold are fitted into the guide hole. A molding die for an embossed name plate, characterized in that guide pins are provided upright so as to keep the relative horizontal positions of the die constant.