KR20030062392A - case typic mold for stamping - Google Patents

Abstract

PURPOSE: A stamping case type mold is provided to easily align a relief pattern in a relief mold and an intaglio pattern in an intaglio mold without separating the relief mold and the intaglio mold from a base and an upper rod whenever different patterns are stamped on a sheet. CONSTITUTION: A case type mold(200) includes an upper mold(210) and a lower mold(220). The upper mold has a rectangular intaglio containing unit(211) containing a plurality of intaglio stamping pieces(201). The lower mold has a rectangular relief containing unit(221) containing a plurality of relief stamping pieces(202). An intaglio stepped unit is formed at the edge of the intaglio containing unit. A slot groove is formed at one side wall at a predetermined distance from the stepped unit. A relief stepped unit is formed at the intaglio stamping pieces, and is fit into the intaglio stepped unit. An elastic ball is formed at the relief stepped unit, and is inserted into the slot groove. A T-shaped elastic piece is inserted into the relief containing unit, and is compressed by a spring inserted into a bore formed at the bottom of the lower mold. A board type sheet(300) is located between the relief stamping piece and the intaglio stamping piece.

Description

Case typic mold for stamping

The present invention relates to a case-type mold for imprinting, and more particularly, a case-type mold which can encase a mold for imprinting various letters, figures, symbols, numbers, etc. on a flat plate and can be inserted into a conventional press in a rechargeable manner. It relates to a mold.

Conventional stamping mold is a male mold which is detachably mounted at the tip of an upper rod which is connected to a hydraulic cylinder provided in a conventional press and is capable of lifting and lowering, and a base which is fixedly positioned to face the upper rod. It includes a female mold mounted detachably.

This conventional stamping mold is to align the female pattern and the male pattern to the female mold and the male mold for imprinting a pattern of various letters, pictures, symbols, numbers, etc. on the flat plate to be imprinted, and then imprinted on the female pattern. After placing a plate to be plated, the upper rod is lowered to press a plate interposed between the female mold and the male mold to imprint a desired pattern on the plate.

However, the conventional stamping mold is inconvenient that the female mold and the male mold must be unmounted from the base and the upper rod provided in the press each time a different pattern is imprinted on the plate. In order to prevent this, the female mold and the male mold are mounted on the base and the upper rod, respectively, and the female pattern and the male pattern are aligned with the female mold and the male mold, respectively. There is a problem that it is difficult for an operator to perform the male alignment because the alignment of the pattern is performed in the above state.

An object of the present invention is to align the male pattern in the male mold in the bottom view and the female pattern in the female mold without dismounting the female mold and the male mold from the base and the upper rod each time the different patterns are imprinted on the plate. It is to provide a stamping case-shaped mold that enables the operation to align the.

1 is a schematic diagram showing an example of a press for stamping a flat sheet inserted into a case-shaped mold according to the present invention;

2 is a perspective view of a case-shaped mold according to the present invention, and

3 is a cross-sectional view of the case mold of FIG. 2.

The present invention, in order to achieve the above object, the fixed plate and the movable pressing plate is placed up and down to press the stamping mold disposed between the fixed plate and the movable pressing plate stamping the flat sheet interposed between the upper mold and the lower mold of the stamping mold In a stamping k-type mold that can be used in a known press, wherein the case-type mold includes an upper mold and a lower mold hinged to each other at the rear portion, the upper mold has a plurality of female engraving pieces It is provided with a rectangular female storage portion that is penetrated to be detachably stored and the lower mold is provided with a rectangular male storage portion partitioned to receive a plurality of male engraving pieces detachably. The female storage part of the mold has female stepped portions formed at the edges of the upper side walls. Slotted grooves are formed in one side wall spaced a predetermined distance, and a plurality of female carved pieces are formed with a male stepped portion having a shape and size that can be seated on the stepped portion, and can be inserted into the slotted grooves. And a ball that protrudes elastically and is positioned in size, and a T-shaped elastic piece is inserted into the male housing of the lower mold, and the elastic piece is inserted into a bore formed at the bottom of the lower mold. It is elastically pressurized by, and, at the time of engraving, the plate sheet is arranged between the male engraving piece and the female engraving piece.

Hereinafter, a detailed description of the stamping case-shaped mold of the embodiment according to the present invention will be described with reference to FIGS.

In Fig. 1, a stamping case mold of an embodiment according to the present invention is indicated by reference numeral 200, and an example of a press for stamping a flat sheet inserted into the case-type mold 200 is indicated by reference numeral 100.

As shown in FIG. 1, the stamping press 100 includes an upper plate 2 fixed to the case 1 and a lower plate 3 fixed to the case 1. In addition, one end of the stamping press 100 is fixed to the upper plate 2 and the other end is fixed to the lower plate 3 is disposed near the four corners of each of the upper plate 2 and the lower plate 3. Four guide rods 11 are incorporated in the case 1.

The four guide rods 11 pass through the pressing plate 4 interposed between the upper plate 2 and the lower plate 3 to be movable along the four guide rods 11. In addition, the four springs 11 between the pressing plate 4 and the upper plate 2 is provided with an elastic spring 12, respectively. Therefore, the elastic spring 12 is always elastically pressing the pressing plate (4).

The bottom surface of the pressure plate 4 is in surface contact with the rod 13 of the hydraulic cylinder (not shown) built in the lower part of the case 1, and as the rod 13 moves up and down, the pressure plate (4) also move up and down together.

In addition, the position sensor (S) is mounted near the bottom rear side of the upper plate (2), the pressure plate (4) is provided with a protruding piece (4a) protruding in a position facing the position sensor (S). Doing. Therefore, the position sensor S detects a distance between the pressing plate 4 and the protruding piece 4a provided on the upper plate 2, and transmits the distance value to a controller (not shown). Determines the forward, backward or stop of the rod 13 on the basis of the distance value.

In addition, a loading hole 20 for loading or releasing the case-shaped mold 200 is formed between the upper plate 2 and the pressure plate 4 at the front upper portion of the case 1. The case-shaped mold 200 is placed on the lower edge of the loading hole 20 in (1), and the alignment operation of the male pattern with respect to the male mold and the alignment of the female pattern with respect to the female mold are described. The shelf 21 which enables this is protruded. The upper surface of the shelf 21 is positioned at the same level as the upper surface of the pressing plate 4 when the pressing plate 4 is lowered to the maximum.

Hereinafter, the case mold 200 will be described in detail with reference to FIGS. 2 and 3.

As shown in FIG. 2, the case mold 200 includes an upper mold 210 and a lower mold 220 which are hingedly coupled to each other at a rear portion thereof. In addition, the front of the lower mold 220, the handle 230 for the protrusion is formed protruding and the opening and closing handle 240 for hinged opening and closing the case-type mold 200 in the front of the upper mold 210 ) Is formed to protrude.

The upper mold 210 is provided with a rectangular female storage portion 211 which is penetrated and partitioned to receive a plurality of female engraving pieces 201 detachably, and the lower mold 220 has a plurality of male angles. A rectangular male storage portion 221 is provided which is partitioned to receive the scales 202 in a detachable manner. The male and female receiving parts are sized to correspond to each other, and in order to facilitate the detachment of the male and female carved pieces 202 and 201 stored therein, the four corners are chamfered to each of the four corners, thereby providing a free space (V). ). Therefore, the user can easily detach the male and female carved pieces 202 and 201 from the accommodating parts by using the free space V. FIG.

In addition, the female storage portion 211 of the upper mold 210, as shown in Figure 3, the female stepped portion 212 is formed in the upper edge portions of both side walls, spaced apart a predetermined distance from the stepped portion Slotted grooves 213 are formed in one side wall. The plurality of female carved pieces 201 are formed with a male stepped part 214 having a shape and a size that can be seated on the stepped part 212, and a size that can be inserted into the slotted groove 213. And a ball 215 which is positioned and elastically protrudes.

In addition, a T-shaped elastic piece 222 is inserted into the male storage part 221 of the lower mold 220, and the elastic piece 222 is formed on the bottom side of the lower mold 220. It is elastically pressed by the spring 224 inserted into it, and elastically presses the male square piece 202 inserted into the male storage part 221.

2 and 3, the plate sheet 300 may be disposed between the male engraving piece 202 and the female engraving piece 201.

Hereinafter, a state in which the stamping case mold configured as described above is applied to the press 100 described as an example of the stamping press will be described.

First, the case mold 200 is opened by placing the case mold 200 on the shelf 21 of the press 100, as shown in FIG. 2.

The female pattern and the plurality of male engravings of the female engraving pieces 201 for imprinting patterns of various letters, figures, symbols, numbers, etc. on the flat sheet to be imprinted with the case mold 200 open. While setting the male pattern of 202 in the above state, the plurality of female engraving pieces and the plurality of male engraving pieces are accommodated in the female storage part 211 and the male storage part 221, respectively.

Subsequently, the plate-shaped sheet 300 is placed on the accommodated male engraving pieces 202, and then the upper mold 210 and the lower mold 220 are hinged to be brought into contact with each other to form the case mold. 200 is closed, as shown in FIG.

Holding the loading handle 221 of the closed case-type mold 200, it is mounted on the pressing plate 4 through the loading hole (20).

Then, the rod 13 is raised to bring the closed case mold 200 into surface contact with the top plate 2, and the closed case mold 200 is brought into contact with the top plate 2 and the pressure plate ( 4) interposed between the plurality of female engraving pieces 201 and the plurality of male engraving pieces 201 stored in each of the female storage part and the male storage part of the closed case mold 200. By pressing the plate sheet 300 which is present, the plate sheet 300 is imprinted with a pattern of various letters, pictures, symbols, numbers, etc. desired.

In the pressing, the plate-shaped sheet 300 is elastically pressed by the upper and lower molds 210 and 220 by the spring 224, and thus does not receive an instantaneous impact.

According to the case-type mold according to the present invention, each time a different pattern is imprinted on the plate, the operation of aligning the male pattern to the male mold in the bottom view without dismounting the female mold and the male mold from the base and the upper rod, respectively; Alignment of the female pattern to the female mold was facilitated by the user.

Claims (3)

The fixed plate and the movable pressure plate are arranged up and down to press the stamping mold disposed between the fixed plate and the movable pressure plate to be used in a known press for stamping a flat sheet sandwiched between the upper mold and the lower mold of the stamping mold. In the quoted K-type mold, The case type mold 200 includes an upper mold 210 and a lower mold 220 which are hingedly coupled to each other at a rear portion thereof. The upper mold 210 is provided with a rectangular female storage portion 211 which is penetrated and partitioned to receive a plurality of female engraving pieces 201 detachably, and the lower mold 220 has a plurality of male angles. It is provided with a rectangular male storage portion 221 partitioned to accommodate the removable pieces 202, The female storage part 211 of the upper mold 210 is formed with female stepped portions 212 at upper edge portions of both side walls, and slot-shaped grooves 213 are formed on one side wall spaced a predetermined distance from the stepped portion. It is, The plurality of female carved pieces 201 are formed with a male stepped part 214 having a shape and a size that can be seated on the stepped part 212, and a size that can be inserted into the slotted groove 213. And a ball 215 which is positioned and elastically protrudes, The T-shaped elastic piece 222 is inserted into the male storage part 221 of the lower mold 220, and the elastic piece 222 is inserted into the bore 223 formed on the bottom side of the lower mold 220. Elastically pressurized by the spring 224, The stamping case mold for stamping, characterized in that the plate-like sheet 300 is disposed between the male engraving piece 202 and the female engraving piece 201. 2. The male and female receptacles of claim 1 are sized to correspond to each other and are chamfered at each of the four corners to facilitate the removal of the male and female engraving pieces 202 and 201 received therein. A case-shaped mold for stamping, which is processed to have a clearance V. According to claim 1 or 2, wherein the handle 230 for the loading is formed protruding on the front of the lower mold 220, the case-type mold 200 is hinged on the front of the upper mold (210) The case-shaped mold for imprinting, characterized in that the opening and closing handle for opening and closing 240 is formed to protrude.