JP2003175495A - Work-punching device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To regulate a shape in response to the change of shape or variety in a workpiece even when the shape and variety are different. <P>SOLUTION: A female mold 10 of this work-punching device punches the workpiece W comprising a product part W<SB>1</SB>and an unnecessary part W<SB>2</SB>. The female mold 10 is provided with an outer frame 11 having groove parts 12a, a first partitioning members 13 arranged inside the outer frame 11, and a second partitioning members 17 arranged inside the outer frame 11 and orthogonal to the first partitioning members 13. The each first partitioning member 1 has a slit 14, the each second partitioning member 17 has a partitioning rod 17a penetrated through the slit 14, and array-arranging members 19 are mounted on the partitioning rod 17a. The first partitioning members 13 and the second partitioning members 17 are inserted into the groove parts 12a to be fixed inside the outer frame 11. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lower die of a work punching device for punching a work consisting of a product portion and an unnecessary portion.

[0002]

2. Description of the Related Art Conventionally, there has been known a work punching device for punching a work consisting of a product portion and an unnecessary portion to obtain a product portion. This work punching device has a lower die that has an opening having a shape corresponding to the product part of the work and that places the work, and an upper die that presses the work on the lower die.

In such a work punching apparatus, by pressing the upper die against the work placed on the lower die, the work is punched through the notches, and the product portion of the work is on the lower die side. , And unnecessary parts remain on the lower mold. In this way, only the product part can be obtained from the work.

[0004]

As described above, the lower die of the work punching device has an opening having a shape corresponding to the product of the work, but since this opening is generally fixed, the work is not fixed. The reality is that a lower mold is prepared, prepared and stored for each different shape and type.

The present invention has been made in view of the above points, and it is not necessary to make a lower die for each work even if the shape and type of the work are different. Intended to provide a type.

[0006]

The present invention relates to a lower die of a work punching device for punching a work consisting of a product portion and an unnecessary portion connected to the product portion through a notch, and an inner peripheral surface thereof. A rectangular outer frame having a large number of grooves extending in the vertical direction, a first partition body arranged in the outer frame and extending in one direction, and insertable in the groove, and arranged in the outer frame. Along with the first partition body, the second partition body extends in the other side direction orthogonal to the one side direction of the first partition body without interfering with the first partition body and can be inserted into the groove portion.
A lower die of a work punching device, characterized in that it is provided with a partition body.

According to the present invention, the first partition body has a slit,
The second partition body is a lower die of the work punching device, which is characterized in that it penetrates through the slit of the first partition body.

According to the present invention, there is provided a work punching device characterized in that the second partition body comprises a partition rod which penetrates through the slit of the first partition body and an aligning body which is placed on the partition rod and aligns the works. It is a lower mold.

The present invention is a lower die for a work punching device, characterized in that the outer frame comprises an outer frame body and a groove body disposed in the outer frame body and having a groove formed therein.

The present invention is the lower die of the work punching device, wherein the groove body is movable in the horizontal direction with respect to the outer frame body.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 are views showing a first embodiment of a lower die of a work punching device according to the present invention.

First, the work punched by the work punching device will be described with reference to FIG. A work W made of a paper blank for forming a container or the like as shown in FIG.
Has a product portion W ₁ forming a container and the like, and an unnecessary portion W ₂ connected to the product portion W ₁ through a notch S.

The work W is made of a paper blank, and the work W can be punched along the cut S by the work punching devices 10 and 20 shown in FIG. 3 to obtain the product portion W ₁ .

That is, the work punching devices 10 and 20 are composed of a lower die 10 on which the work W is placed, and an upper die 20 which presses the work W placed on the lower die 10 to punch the work W. Has been done.

Of these, the upper die 20 is held by the upper die holding plate 21 and the product portion W of the work W while being held by the upper die holding plate 21.
₁ has a shape corresponding to ₁ and presses the product portion W _1.
2 and. The pressing body 2 of the upper die holding plate 21
An elastic body 23 formed of a spring or the like for sandwiching the unnecessary portion W ₂ of the work W with the lower die 10 is provided between the _two .

Next, the lower die 1 of the work punching device according to the present invention.
0 will be described with reference to FIGS. 1 to 3.

The lower die 10 of the work punching device is arranged in the rectangular outer frame 11 and the outer frame 11 as shown in FIG.
1. A plurality of first partition bodies 13 extending in the vertical direction and a plurality of second partition bodies 1 arranged in the outer frame 11 and extending in the horizontal direction of FIG.
7 and 7.

Of these, the rectangular outer frame 11 is the outer frame body 11a.
And a groove portion body 12 having a large number of groove portions 12a arranged in the outer frame body 11a and extending in the vertical direction on the inner peripheral surface.

A slit 14 is formed in the center of each first partition body 13, and the groove body 1 is formed at both ends of the first partition body 13.
Projection body 1 having a projection 15a that enters the groove 12a
5 is attached.

Further, the second partition body 17 is the first partition body 13
Partition bar 17a penetrating the inside of the slit 14 and the partition bar 1
7a and the aligning body 19 for aligning the works W. Of these, the groove body 12 is provided at both ends of the partition rod 17a.
Protrusion body 18 having a protrusion 18a that enters the groove 12a of the
Is installed. Further, the partition bar 1 of the second partition body 17
7a penetrates through the slit 14 of the first partition body 13 so that it does not interfere with the first partition body 13.

Further, the upper surfaces of the outer frame 11 and the first partition body 13 are on the same plane, and the upper surface of the receiving body 19 of the second partition body 17 is slightly smaller than the upper surfaces of the outer frame 11 and the first partition body 13. It is descending.

Therefore, in FIG. 1, the work conveyed from the direction of arrow L to the lower die 10 can be smoothly transferred on the lower die 10 without being caught by the aligning body 19 of the second partition body 17.

The shape of the opening 30 formed by the first partition 13 and the second partition 17 of the lower die 10 is the work W.
Of the product W ₁ .

Next, the operation of the present embodiment having such a configuration will be described. First, the work W is conveyed onto the lower mold 10 along the arrow L direction in FIG.

Next, the work W is placed at a predetermined position on the lower die 10. In this case, the product part W ₁ of the work W is the lower die 1
It is located at a position corresponding to the opening 30 (FIG. 2) formed by the first partition body 13 and the second partition body 17 out of 0.

Next, the upper mold 20 descends with respect to the lower mold 10,
The pressing body 22 of the upper die 20 presses the product portion W ₁ of the work W. At the same time, the elastic body 23 of the upper mold 20 clamps the unnecessary portion W ₂ of the work W between the first partition body 13 and the second partition body 17 of the lower mold 23.

Further, the upper die 20 descends and the work W is punched through the notches S, and the work W is separated into a product portion W ₁ and an unnecessary portion W ₂ .

The unnecessary portion W ₂ of the work W has an elastic body 23,
It is held between the first partition body 13 and the second partition body 17, and only the product portion W ₁ falls into the lower mold 10. In this way, the product portion W ₁ is obtained from the work W.

Next, the upper mold 20 is lifted away from the lower mold 10, and the unnecessary portion W ₂ of the work W is discharged from the lower mold 10 to the outside.

Next, when the shape of the product portion W ₁ of the workpiece W changes, it is necessary to adjust the shape of the opening 30 of the lower mold 10 according to the shape of the product portion W ₁ .

In this case, first, the first partition body 13 and the second partition body 15 are pulled up from the outer frame 11 and the first partition body 1 is pulled up.
The protrusion 15a of No. 3 is pulled out from the groove 12a, and the second partition 1
The protrusion 18a of No. 7 is pulled out from the groove 12a.

Next, the second partition 1 with respect to the first partition 13.
After moving 7 to match the shape of the opening 30 with the shape of the product portion W ₁ , the first partition body 13 and the second partition body 15 are inserted into the outer frame 11 by a method reverse to the above.

At this time, the projecting portion 15a of the first partition body 13 and the projecting portion 18a of the second partition body 17 are respectively inserted into the groove portions 12a of the outer frame 11, so that the first partition body 13 and the second partition body 17 are separated from each other. It is fixed in the outer frame 11.

As described above, according to the present embodiment, even if the shape of the product portion W ₁ of the work W changes, the positions of the first partition body 13 and the second partition body 17 are adjusted so as to correspond thereto. The shape of the opening 30 can be adjusted only by changing the inside. Therefore, it is not necessary to prepare or prepare the lower mold 10 every time the shape of the product portion W ₁ of the work W changes.

That is, as shown in FIG. 5, when the lower mold 40 comprises an outer frame 41 and a partition body 42 fixed in the outer frame 11, each time the shape of the product portion W ₁ of the work W changes. The lower mold 40 needs to be manufactured. On the other hand, according to the present invention, as described above, the first partition 13 and the second partition 13 of the lower mold 10 are provided.
The shape of the opening 30 can be adjusted simply by changing the position of the partition body 17.

When the product portion W ₁ of the work W has a complicated shape, the template 3 having the opening 35a corresponding to the product portion W ₁ of the work W on the lower mold 10 as shown in FIG.
5, the work W may be placed on the template 35 and the work W may be punched with the upper die 20.

Next, another embodiment of the present invention will be described with reference to FIG.

In the embodiment shown in FIG. 7, the outer frame 11 is an outer frame body 11a, and the groove body 1 is disposed in the outer frame body 11a.
2 and is different in that the groove body 12 is divided into a plurality of parts, but is otherwise substantially the same as the embodiment shown in FIGS.

In FIG. 7, the same parts as those of the embodiment shown in FIGS. 1 to 4 are designated by the same reference numerals and detailed description thereof will be omitted.

As shown in FIG. 7, the groove portion body 12 of the outer frame 11
Is divided into a plurality of parts and arranged in two stages inside the outer frame body 11a. That is, the groove body 12 is the outer frame body 11
The groove body 12 at each step is arranged in two positions at a position along the inner surface of a and at a position inward from the outer frame body 11a.
Is movable in the horizontal direction with respect to the outer frame body 11a.

The first partition 13 is fixed in the outer frame 11 by inserting the projections 13a provided at both ends thereof into the groove 12a of the groove body 12.

The second partition body 17 is fixed in the outer frame 11 by inserting the projections provided at both ends of the partition bar 17a into the groove portions 12a of the groove body 12.

When the shape of the opening 30 formed by the first partition body 13 and the second partition body 17 is changed, the first partition body 13 and the second partition body 13 and the second partition body are similar to the embodiment of FIGS. 1 to 4. The body 17 is pulled out from the outer frame, and again the first partition body 13 and the second partition body 13
The partition body 17 is attached to a predetermined position in the outer frame 11.

On the other hand, when the shape of the opening 30 is finely adjusted, the shape of the opening 30 can be easily and easily adjusted by slightly moving the groove body 12 with respect to the outer frame 11. .

[0045]

As described above, according to the present invention, even if the shapes and types of works are different, the first partition body and the second partition body can be simply inserted into the predetermined groove portions of the outer frame. Board and second
The shape of the opening formed by the partition plate can be adjusted according to the work. Therefore, it is not necessary to manufacture the lower mold for each work having different shapes and types, and the cost can be reduced.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a lower die of a work punching device according to the present invention.

FIG. 2 is a plan view of the lower die of the work punching device.

FIG. 3 is a side view showing a work punching device.

FIG. 4 is a plan view showing a work.

FIG. 5 is a perspective view showing a lower die of a work punching device as a comparative example.

FIG. 6 is a view showing a template provided on a lower die of a work punching device.

FIG. 7 is a perspective view showing another embodiment of the lower die of the work punching device.

[Explanation of symbols]

10 Lower Die of Work Punching Device 11 Outer Frame 11a Outer Frame Main Body 12 Groove Part Body 12a Groove Part 13 First Partitioning Body 14 Slit 17 Second Partitioning Body 17a Partition Bar 19 Aligning Body 20 Upper Die of Work Punching Device W Work W ₁ Product part W ₂ Unnecessary part S Notch

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Tatsuro Katakura             1-1-1, Ichigaya-Kagacho, Shinjuku-ku, Tokyo             Dai Nippon Printing Co., Ltd. F-term (reference) 3C021 FD01                 3C060 AA01 BA01 BB05

Claims (5)

[Claims] 1. A lower die of a work punching device for punching a work, which comprises a product part and an unnecessary part connected to the product part through a notch, and a plurality of groove parts extending in a direction perpendicular to an inner peripheral surface. A rectangular outer frame having a groove, a first partition body disposed in the outer frame and extending in one direction, and insertable in the groove, and a first partition body disposed in the outer frame and on one side of the first partition body. Extending in the other direction orthogonal to the direction without interfering with the first partition body,
A lower die of a work punching device, comprising: a second partition body that can be inserted into the groove portion. 2. The lower die of the work punching device according to claim 1, wherein the first partition has a slit, and the second partition penetrates the slit of the first partition. 3. The work punching device according to claim 1, wherein the second partition body comprises a partition rod that penetrates through the slit of the first partition body and an aligning body that is placed on the partition rod and aligns the workpieces. Lower mold of the pulling device. 4. The lower die of the work punching device according to claim 1, wherein the outer frame comprises an outer frame body and a groove body disposed in the outer frame body and having a groove formed therein. 5. The lower die of the work punching device according to claim 4, wherein the groove body is movable in the horizontal direction with respect to the outer frame body.