JP2789159B2 - Mold for punching equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a punching method for manufacturing a highly decorative punching plate which can be used for a wall surface, a fence or the like by penetrating a large number of large diameter holes and small diameter holes through a metal plate or a plastic plate. It relates to the mold of the device.

[0002]

2. Description of the Related Art The present inventor has previously described Japanese Patent Application Laid-Open No.
No. 7 discloses a punching plate punching apparatus. This is a punching plate punching apparatus capable of freely and easily punching a desired drilling pattern on a plate to be processed, and small-diameter holes are uniformly distributed on the entire surface of the punching plate while being distributed. A large-diameter hole is arranged at an arbitrary position, and a large number of large-diameter holes express a picture, a character, or the like.

[0003]

In the punching plate punching apparatus, a punch for punching a small-diameter hole is always fixedly protruding. Therefore, the punching plate manufactured by the processing apparatus has a small-diameter hole formed on the entire surface of the punching plate. Depending on the application, the outline of the character or figure may lack clarity or accent depending on the application. Further, such a punching plate has a disadvantage that it has little blank space and it is difficult to print appropriate characters and figures. Therefore, an object of the present invention is to provide a die for a punching plate device capable of perforating holes with higher decorativeness than conventional ones.

[0004]

According to the present invention, a die for a punched plate is vertically arranged on a lower surface of an upper die 1 at regular intervals in a direction perpendicular to a feed direction of a plate to be punched. A row of a large number of large-diameter punches 2 provided for perforation and a row of a large number of small-diameter punches 3 provided for perforation;
The row of the large-diameter punches 2 and the row of the small-diameter punches 3 have the same punch arrangement pitch P, and both rows are displaced from each other by half of the pitch P in the orthogonal direction.
The two rows are spaced apart from each other by an integral multiple of the pitch P in the transport direction, and each of the large-diameter punches 2 and the small-diameter punches 3 is driven independently of each other from the lower surface of the upper mold 1. A large-diameter punch driving device 4 and a large number of small-diameter punch driving devices 5 are arranged in the upper mold 1, and are aligned with the large-diameter punch 2 and the small-diameter punch 3, respectively. A large number of large-diameter dies 7 and a large number of small-diameter dies 8 are provided in two rows on a lower mold 6 so that a part can freely enter and exit.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a die for a punching apparatus according to the present invention will be described with reference to the drawings. This apparatus provides a die of a punching apparatus which can pierce a figure or the like shown in FIG. 4 or FIG. 6 into a metal plate or a plastic plate as an example. That is, a portion in which only the large-diameter hole 30 is perforated as a black circle, a portion in which only the small-diameter hole 31 is perforated as a black dot, a portion in which these are mixed, and both holes do not exist at all on the surface of the metal plate. The blank portion 35 provides a mold that can be arbitrarily formed. FIG. 1 is a vertical sectional view of the present mold, and FIG.
FIG. 2 is a schematic view taken along the line II-II of FIG. In this mold, the upper mold 1 is detachably attached to a mold attachment plate 9 provided at the lower end of a vertically moving ram, and the lower mold 6 is detachably attached to a bed 25. The upper mold 1 has a base plate 32 fixed to the mold mounting plate 9, a punch support plate 33 fixed to the lower surface thereof, and a stripper plate 24 which can be freely attached to and detached from the lower surface of the punch support plate 33.

[0006] These plates are elongated in a direction perpendicular to the drawing in FIG. Its length is the maximum width of the plate 27 to be machined. Base plate 32
Are formed with two rows of rectangular spaces 29 having a rectangular cross section in the longitudinal direction. This space 29 has a rectangular plane as shown in FIG. A large number of holes are formed on both sides in the width direction of the base plate 32 at equal intervals of the pitch P, and the front ends of the holes are opened on the inner surface of the space 29. In FIG. 2, a large number of holes formed in two rows on the left and right sides are displaced from each other by 1/2 of the pitch P in the longitudinal direction of the base plate 32. In each space 29, a large number of slide blocks 11, 12 are juxtaposed and arranged adjacent to each other. The width of the slide block 12 is formed substantially equal to the pitch P. The length is formed slightly longer than half the width of the space 29. The slide block 12 has a punch contact surface 34 whose height is equal to the height of the space 29, a concave portion 22 lower than that, and a slope interposed therebetween.

The slide block 12 has a rectangular cross section, and a large number of parallel slide blocks 12 have adjacent surfaces in contact with each other or a very small gap is formed. The adjacent surfaces of the respective slide blocks 12 form guide surfaces for moving the slide blocks 12 with each other. One ends of piston rods 13 and 14 are fixed to the slide blocks 11 and 12, and the other ends are connected to the respective pistons 15 and 16 of the large-diameter punch driving device 4 and the small-diameter punch driving device 5, each of which is arranged in parallel. I have. A large number of large-diameter punch driving devices 4 and small-diameter punch driving devices 5 are respectively connected to one elongated casing. That is, in the elongated casing, a large number of cylindrical portions are bored at intervals of the pitch P, and pistons 15 and 16 are provided in each of the cylindrical portions. A port for moving the piston forward is formed on the closed end face of the cylindrical portion, and a port for retracting the piston is provided on the upper surface on the opening side.
9 and 20 are connected as shown in FIG.

Next, a plurality of through-holes of the large-diameter punch 2 and a plurality of through-holes of the small-diameter punch 3 are formed in the punch support plate 33 fixed to the lower surface of the base plate 32 via bolts. Two rows are arranged at equal intervals of the pitch P. When the large-diameter punch 2 and the small-diameter punch 3 extend the piston rods 13 and 14, the punch contact surfaces 34 thereof
Are provided so that the axes coincide with each other. In addition,
Each of the insertion holes of the large-diameter punch 2 and the small-diameter punch 3 is expanded stepwise at the upper end surface thereof, and the large-diameter punch 2 having a head there.
The small diameter punch 3 is inserted movably upward. Next, on the lower surface of the punch support plate 33, the stripper plate 24 is held using the heads of a large number of stripper holding bolts 28 as stoppers. The stripper plate 24 faces the stripper holding bolt 28 such that the upper surface thereof is separated from the lower surface of the punch support plate 33 in a state of being supported by the stripper holding bolts 28. A compression spring 23 is interposed between the stripper plate 24 and the punch support plate 33, thereby biasing the stripper plate 24 downward. The stripper plate 24 is also provided with a large number of through holes for inserting the large-diameter punch 2 and the small-diameter punch 3 at equal intervals.

Next, the lower mold 6 is mounted on the bed 25 with a mold mounting plate.
A large-diameter die 7 and a small-diameter die 8 are provided in two rows so as to be aligned with the large-diameter punch 2 and the small-diameter punch 3, respectively. The diameters of the large-diameter die 7 and the small-diameter die 8 are slightly larger than those of the large-diameter punch 2 and the small-diameter punch 3, and the punches are formed so that the small disks punched from the plate 27 can be dropped. ing. The upper mold 1
A guide pin (not shown) is provided between the lower die 6 and the lower die 6 so that the large diameter punch 2 and the large diameter die 7 and the small diameter punch 3 and the small diameter die 8 are always aligned. Further, roll hoods 26 are arranged on the upstream side and the downstream side of the mold, respectively. The roll hood 26 is composed of a pair of rolls, is formed so that the gap between the two can be adjusted according to the plate pressure of the work plate 27, and moves the work plate 27 intermittently in the feed direction by the pitch P. is there.

The punching device is provided with a control device shown in FIG. The control device is provided with a push-button switch for starting and stopping, a floppy disk drive device, and the like as input devices. A large-diameter punch driving device 4, a small-diameter punch driving device 5, a work (plate to be processed) feed device, and a press ram elevating device are connected to the output side of the control device. In this embodiment, the data floppy inserted into the input device is created as shown in the lower block of FIG. 3 as an example. First, a data creation program floppy compatible with the control device of the punching device is inserted into the data creation personal computer. Then, by inputting an appropriate figure into a personal computer by a scanner, a data floppy is automatically created through the data creating program floppy. By outputting the created data floppy to the monitor, it is possible to see the drilled state of the large-diameter hole and the drilled state of the small-diameter hole of the plate to be drilled simultaneously or separately. The graphic portion and the like are represented by the large-diameter hole and the small-diameter hole, and the portion without the graphic is represented as a blank.

[0011] In addition, editing for deleting and adding the perforated portion can be performed by a keyboard and a mouse. The data floppy thus created is inserted into the floppy disk drive of the input device. And
The work plate 27 is pitched by a roll hood 26 as shown in FIG.
The large-diameter hole 30 and the small-diameter hole 30 are supplied intermittently as shown in FIGS.
The hole 31 and the blank portion 35 can be sequentially punched in a metal plate or the like. The embodiment shown in FIG. 4 and FIG.
A blank portion where neither 30 nor the small-diameter hole 31 is formed is formed in a frame shape. By forming such a frame-shaped blank portion 35, it is possible to provide a finished punched plate with accents and high decorativeness. This blank portion 35 can form a support portion when attached to a wall surface of various buildings.

[0012]

The die of the punching apparatus according to the present invention comprises a large-diameter punch 2 for a large number of holes and a small-diameter punch 3 for a large number of holes.
Are arranged in two rows, and a large number of large-diameter punch driving devices 4 and a small-diameter punch driving device 5 that are driven independently of each other are arranged in a large number. The diameter holes can be selectively arranged, and a highly decorative punching plate can be quickly manufactured. That is, according to the present mold, the punching process of the punched plate having only the large-diameter hole or the small-diameter hole only, and the punched plate in which the mixed portion and the blank portion are mixed can be quickly performed, and the shape of the figure changes. Etc. can be clearly expressed. In addition, since the large-diameter hole and the small-diameter hole are formed at positions where the drilling positions are different from each other by a half pitch, the respective holes do not interfere with each other, and in a part where a large number of large-diameter holes and small-diameter holes are mixed. The perforation area per unit area is large. Then, the manufactured punched plate can be clearly recognized by a figure or the like formed by a large number of through holes.

Further, the row of large-diameter punches 2 and the row of small-diameter punches 3 are arranged at an interval of an integral multiple of the punch arrangement pitch P in the direction of transport of the plate to be processed. The punch 2 and an arbitrary small-diameter punch 3 are simultaneously projected, so that a large number of large-diameter holes and small-diameter holes can be simultaneously drilled. Thereby, a highly productive mold can be provided. Next, according to the second aspect of the invention, a large number of slide blocks for projecting the large-diameter punch 2 and the small-diameter punch 3 are arranged in a rectangular space so that adjacent surfaces are in contact with each other. Since the sliding guide surface is formed, the pitch between the large-diameter holes and the small-diameter holes can be reduced as much as possible, and the number of punching holes per unit area can be increased.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a die of a punching device according to the present invention.

FIG. 2 is a schematic view taken along the line II-II in FIG.

FIG. 3 is a block diagram showing a control system of the punching device.

FIG. 4 shows an example of a decorative plate perforated by the mold of the present invention.

FIG. 5 is an enlarged view of a portion B in FIG. 4;

FIG. 6 is a decorative plate of another embodiment perforated by the mold of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Upper die 2 Large diameter punch 3 Small diameter punch 4 Large diameter punch driving device 5 Small diameter punch driving device 6 Lower die 7 Large diameter die 8 Small diameter die 9,10 Mold mounting plate 11,12 Slide block 13,14 Piston rod 15, 16 Piston 17, 18 Cylinder 19, 20 Air pipe 21, 22 Recess 23 Compression spring 24 Stripper plate 25 Bed 26 Roll hood 27 Work plate 28 Stripper holding bolt 29 Space 30 Large diameter hole 31 Small diameter hole 32 Base plate 33 Punch support plate 34 Punch contact surface 35 Blank area

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁶ , DB name) B21D 28/24 B21D 28/00

Claims (2)

(57) [Claims] 1. A large number of perforations, which are provided on a lower surface of an upper mold 1 so as to be able to vertically enter and exit at equal intervals on a straight line in a direction orthogonal to a feed direction of a plate 27 to be perforated. It has a row of large-diameter punches 2 and a row of a large number of small-diameter punches 3 for perforation. The row of large-diameter punches 2 and the row of small-diameter punches 3 have the same punch arrangement pitch P and both rows. Are offset from each other by half of the pitch P in the orthogonal direction, and both rows are separated from each other by an integral multiple of the pitch P in the transport direction. Each of the large-diameter punches 2 and the small-diameter punches 3 A large number of large-diameter punch driving devices 4 and a large number of small-diameter punch driving devices 5 for driving them independently of each other from the lower surface of the upper die 1 are arranged in the upper die 1, and each of the large-diameter punches 2. And each of the small-diameter punches 3 Numerous large die 7 and a small-diameter die 8 in the lower mold 6 so that the end portion of the punch becomes freely out is provided in two rows, the die punching apparatus characterized by. 2. The punch driving device according to claim 1, wherein each of the punch driving devices includes a cylinder for driving a piston rod in the transport direction and a slidable slide block connected to the piston rod. The lower surface of the block abuts against the upper end of the punch, and the lower end portion of the punch protrudes from the lower surface of the upper mold 1 during one of forward and backward movements of the piston rod. The upper mold 1 and the lower mold 6 are each formed in an elongated plate shape in which the longitudinal direction is the row direction of the punches, and a large number of cylinder-type large-diameter punch driving devices are provided on one side in the width direction. 4 are arranged side by side, and a large number of cylinder type small-diameter punch driving devices 5 are arranged in parallel on the other side. Blocks are adjacent to each other Contact is disposed, the mold punching device which forms the sliding guide surface of its adjacent surfaces to one another said block.