JPH08216095A - Externally removing device of punching chip in paper unit punching device - Google Patents

Abstract

PURPOSE: To reliably externally remove punching chips even if a support frame to fix a base board is positioned in an extracting hole arranged in the base board to externally remove inside punching chips of a punching product. CONSTITUTION: Punching lines L and L' are arranged along the outer peripheral edge of a punching product 18 and an inside bored part 20 in a material sheet 17, and the material sheet is placed between upper and lower molds 15 and 16, and these are moved in the approaching direction, and punching materials 25 and 26 protrusively arranged from a base board 40 of one mold and a base board 30 of the other mold are fitted together, and a residual part is separated, and punching chips 19 and 21 are externally removed from the punching product. An extracting hole 30a corresponding to the inside bored part 20 is arranged in the base board of the other mold, and edges 34a are protrusively arranged from a support frame 31 of the base board positioned in the extracting hole, on the one hand, the punching materials 26 positioned on both sides of an edge member are protrusively arranged in one mold, and a divided line X formed in the inside bored part of the material sheet is cut by the edge member and the punching materials, and the punching chips are divided, and are externally removed from the extracting hole.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for removing punching scraps in a paper punching device, and more specifically, it inserts a pre-punched material sheet between a pair of upper and lower dies and projects it from one of the dies. A device for punching out the punching line of the material sheet with the punched material and removing the punching scraps, especially the punching hole formed in the substrate for removing the punching scraps in the punching part inside the punched product. In addition, even if a supporting frame for fixing the substrate is positioned, the punching scraps in the hollow portion can be removed.

[0002]

2. Description of the Related Art Conventionally, in this type of punching scrap removal device,
In the pre-process, for example, as shown in FIG. 11, from the material sheet 1 on which punching lines L and L ′ have been formed by performing the required die cutting, the punching line around the punched product 2 which is a finished product. Punching waste 3 partitioned by L and punching product 2
Various devices are provided for removing the internal punching scraps 4 partitioned by the endless punching line L ′ located inside. As shown in FIG. 12, the punching lines L and L ′ that are die-cut in the above-described pre-process have a so-called perforation shape, and a joint (hereinafter,
It is formed in a state in which the residual portion La) is left.

As an external device for removing the die-cut material sheet 1, for example, a device shown in FIGS. 13A and 13B is conventionally provided. In the above apparatus, the punching material 7A is projected downward along the outer side of the substrate 6 of the upper die 5 with a slight gap left from the punching line L, and along the inner side of the punching line L '. The punching material 7B is projected. On the other hand, lower mold 8
Is a substrate 9 having a size slightly smaller than the outer shape of the punched product 2.
Is fixed via a support frame 10, and a punching hole 9a into which the punching material 7B is inserted at the time of die matching is formed in the substrate 9.

[0004] In the external removal device, the punched material sheet 1 is inserted between the upper die 5 and the lower die 8 and the upper die 5 is lowered to remove the punching scraps 3 on the outer periphery of the punched product 2. While punching out with the punching material 7A, the punching scraps 4 forming the hollow portion of the punching product 2 are pushed down with the punching material 7B, and the residual portion La is cut off to allow the punching scraps 3 and 4 to escape.

[0005]

However, in the external device, as shown in FIG. 14, a support for fixing the substrate 9 is provided below the punching hole 9a of the lower die substrate 9 forming the hollow portion. When the frame 10 is positioned, the punching material 7B comes into contact with the support frame 10 when the punching scraps 3 and 4 are removed, and the lowering of the upper die 5 is restricted. There is a problem that can not be done. Further, even if the punching waste 4 can be removed from the punching product 2, there is a problem that the punching waste 4 is caught by the support frame 10 and cannot be removed from the inside of the punching hole 9a of the lower die 8.

On the other hand, if the support frame 10 is bent and formed so as to avoid the hole 9a in the substrate 9, the above problem can be solved, but in this case, the support frame 10 has a complicated structure. Assembling work becomes troublesome, and since it is necessary to form the corresponding support frame 10 for each punched product 2 having different positions and shapes of the cut-out portion, there arises a problem that the cost becomes high.

The present invention has been made in view of the above problems, and a support frame for fixing a substrate to a punching hole formed in the substrate for removing punching scraps in an internal hollow portion of the punched product. It is an object of the present invention to provide a punching scrap removal device for a paper machine punching device capable of removing the punching scraps of the punching portion even when the position is positioned.

[0008]

In order to achieve the above object, the present invention comprises, in claim 1, a material sheet comprising a cutting portion and a residual portion along the outer peripheral edge of the punched product and the internal hollow portion. A punching line is provided in advance, a material sheet provided with the punching line is placed between the upper and lower dies, and the upper and lower dies are moved in the proximity direction, and the punching material is projected from the substrate of one of the dies, In the punching scrap removal apparatus for fitting the board along the outer shape of the punching product of the other die to separate the residual portion and remove the punching scraps from the punching product. The die substrate is provided with a hole having a shape corresponding to the hollow portion, and a blade is projected from the support frame of the substrate located in the hole, while the one die is punched so as to be located on both sides of the blade. The cut-out portion and the residual portion that are provided in advance in the cut-out portion of the material sheet To provide a punching scrap removal device in a paper container punching device configured to cut a split line consisting of the above with a blade and a punching material to split the punching scraps and remove them from the punching hole. is there.

In claim 2, the other mold is a lower mold,
The substrate of the lower die is installed above the fixed frame via the support frame, while the one die is an upper die, and the upper die is moved to move closer to the lower die side.

Further, according to a third aspect of the present invention, the support frame has a board mounting portion for fixing to a board at one end of the vertical frame portion and a fixed frame mounting portion for the other end, and is mounted on one end surface of the vertical frame portion. While providing a groove for use as a groove, a separate blade member is provided which has the blade at one end and an engaging protrusion at the other end that engages with the groove, and the blade member is slidably attached to the groove. ing.

The support frame may be formed in a linear shape, and the board mounting portion and the fixed frame mounting portion may be formed with a required space in the longitudinal direction so that both of these mounting portions do not project into the hole. preferable.

[0012]

According to the device for removing punching scraps in the paper punching device according to claim 1 of the present invention, the upper and lower dies are moved in close proximity to each other so that the upper surface of the punching scraps in the hollowing portion and the lower surface of the punching material. Contact each other to press the punching scraps into the punching hole of the other mold.
As a result, the blade comes into contact with the division line, and the blade presses the division line. If the upper and lower dies continue to move in the proximity direction, the punching material separates the remaining part of the punching line, and the blades and the punching materials on both sides separate the remaining parts of the dividing line, so that the punching scraps are put on both sides of the blade. Divide and punch out from the punched product. In this way, since the punching dust is divided into both sides of the blade and is detached from the blade, the punching dust is not caught on the support frame.

According to the second embodiment, the material sheet is conveyed to the upper surface of the lower die substrate in the fixed state, the punching line and the dividing line are positioned at the required positions, and the upper die is kept in that state. Since the punching scraps are removed from the punched product by lowering, the removal operation can be reliably performed in a stable state.

According to the external device of the third aspect, since the separate blade member is slidably attached to the vertical frame portion of the support frame, the shape of the punched product and the shape and position of the punched hole. When there is a change, etc., the blade member can be moved to a required position to dispose the blade at a position facing the dividing line.

[0015]

The present invention will be described in detail below with reference to the embodiments shown in the drawings. As shown in FIG. 1, the external device of the present invention shown in FIGS. 1 to 7 includes an upper mold 15 which is moved up and down by a driving means (not shown), and a lower mold 16 which is installed in a fixed state. The material sheet 17 is arranged between the upper and lower dies 15 and 16 and the upper die 15 is moved closer to the lower die 16 side so that the punching waste 19 on the outer peripheral portion of the punched product 18 is removed by the punching material 25. When removed, punching scraps 2 in the internal hollow parts 20 and 22
The punching materials 26 and 27 are used to remove the pieces 1 and 23 from the outside.

As shown in FIG. 2, the material sheet 17 is preliminarily die-cut to form a punching line L on the outer periphery of the punched product 18 in the same manner as in the conventional case, and an internal hollow portion 20 of the punched product 18 is formed. , 22 to form an endless punching line L ′. In this embodiment, the hollow portion 20,
The shape of 22 is rectangular. A supporting frame 31 of a lower die 16 described later has a cutting portion 21 facing the punching hole 30a located below the cutting frame 21 along the supporting frame 31, similarly to the punching lines L and L'shown in FIG. A division line X composed of the remaining portion and the remaining portion is provided in advance and is divided into two into punching chips 21A and 21B.

The lower die 16 has a wooden board 30 having a size slightly smaller than the outer shape of the punched product 18 fixed to a fixed frame 32 via a support frame 31 made of aluminum. As shown in FIG. 3, the substrate 30 has the cut-out portions 20, 22.
Rectangular holes 30a and 30a 'having a size slightly larger than the hollow portions 20 and 22 are formed at positions opposite to the holes. The support frame 31 is formed in a linear shape, and the lower mold 1
In the assembled state of 6, the punching holes 30a other than the punching hole 30a 'in the central portion
The support frame 31 is located in the width direction below.

The support frame 31 is a flat vertical frame portion 31a.
Of the vertical frame portion 3 and the board mounting portion 31b projecting from one side of the upper end and the fixed frame mounting portion 31c projecting from the other side of the lower end.
On the upper end surface of the la 1a, a separate blade member 34 projecting inside the hole 30a is provided.

The board mounting portion 31b and the fixed frame mounting portion 31c are provided so as to project in the longitudinal direction of the vertical frame portion 31a with a required space S therebetween, and the space S is larger than the width of the hole 30a of the substrate 30. It is formed so that both mounting portions 31c, 31c do not project inward of the hole 30a in the assembled state. Also,
An attachment groove 31d having a substantially triangular cross section is provided in the upper end surface of the vertical frame portion 31a.

The blade member 34, as shown in FIGS. 4 and 5, has a triangular cross-section 34 with one end tapered upward.
In addition to the provision of a, an engaging projection 34b that engages with the groove 31d is provided on the lower end surface on the other end side, and is slidably attached to the vertical frame portion 31a. The blade 34a has a protruding height that is flush with the upper surface of the substrate 30 when the lower die 16 is assembled, and is formed to have a length shorter than the width of the punched hole 30a.
Further, the width of the lower end surface of the blade 34a is formed to be substantially the same as the thickness of the vertical frame portion 31a.

The upper mold 15 is provided with a wooden substrate 40, and as shown in FIG.
The aluminum punching member 26 (for removing the punching dust 21, 23 of the hollow portions 20, 22 is provided while the aluminum punching member 25 for removing the punching dust 19 on the outer periphery of the punching portion 20, 22 is projected. 26A, 26B) and 27 are projected.

The punching material 25 is attached at a position slightly outward of the punching line L, and a pressing portion 25a is formed on the lower surface which presses the punching scraps 19 at the time of removal to project a triangular section in the longitudinal direction. There are multiple. The punching materials 26, 2
7 is formed by combining flat plate members 26a to 26d and 27a to 27d to form a rectangular tube having a size slightly smaller than each of the punching scraps 21A, 21B and 23. Flat plate members 26a located on both sides of the blade member 34 of the lower mold 16 when detached,
26a is attached to the substrate 40 with a required gap from the blade member 34. Further, the punching members 26a to 26d, 27
Similar to the punching material 25, a to 27d are provided with a plurality of pressing portions 26e and 27e projecting in a triangular cross section in the longitudinal direction.

A punching product 18 is produced by using the external device having the above-mentioned structure.
In the case of forming, the material sheet 17 is first conveyed and placed on the upper surface of the substrate 30 of the lower die 16, and the punching line L previously formed on the material sheet 17 is punched with the outer edge of the substrate. A punching line L ′ is provided between the inner surfaces of the material 25 and the punching materials 26 and 27.
The dividing line X is positioned and positioned above the blade 34a of the blade member 34 between the outer surface of the blade and the inner edges of the holes 30a and 30a '. Then, the upper die 15 is lowered by the driving means to fit each punching material with the substrate 30 of the lower die 16, and the punching material 25 is punched.
The upper surface of the punching scrap 19 by the punching material 26 (26A, 26A
The upper surface of the punching scraps 21A, 21B is cut by the punching material 27 by B).
The upper surface of the punching scrap 23 is pressed by the punching line L,
The remaining portions of L'and the division line X are cut off and removed.

The detaching action of the punching waste 21 having the dividing line X formed by the punching material 26 will be described with reference to FIG.
First, by lowering the upper mold 15 from the state shown in FIG. 7 (A),
As shown in FIG. 7B, the lower surfaces of the punching materials 26A and 26B come into contact with the upper surfaces of the punching wastes 21A and 21B, and
A and 21B are pressed into the hole 30a. Thereby, as shown in the drawing, the blade member 3 is cut along the dividing line X.
The blade 34a of No. 4 abuts from below, and the blade 34a presses the dividing line X upward.

When the upper die 15 continues to descend, as shown in FIG. 7C, the punching line L'is formed by the punching materials 26A and 26B.
The residual portion La is cut off, the residual portion of the dividing line X is cut off by the blade 34a, and the punching waste 21 is divided into two parts on both sides of the blade member 34 to be removed from the punched product 18. In this state, the blade member 34 and the vertical frame portion 3 are provided between the punching materials 26, 26.
1a is inserted and does not hinder the lowering of the upper mold 15.

As described above, according to the external device, even if the support frame 31 for mounting the substrate 30 of the lower mold 16 is located below the punching hole 30a, the punching portion 20 is reliably punched as described above. The waste 21 can be removed. Further, since the punching scraps 21 that have come out as described above are divided and fall on both sides of the blade member 34, they are caught by the support frame 31 and the punched holes 30a.
There is no inconvenience that the punching scraps 21 cannot be removed from the inside.

Therefore, the support frame 31 for mounting the substrate 30 of the lower mold 16 does not increase the manufacturing cost by bending and is formed into a linear shape.
The workability of assembling the lower mold 16 can be improved. Further, since the blade member 34 is slidably attached to the vertical frame portion 31a, the shape of the punched product 18 and
Even if the shape or position of the cutouts 20 and 22 is changed, it can be easily moved to the required position.

On the other hand, the punching scraps 23 that come out by the punching material 27 and the punching holes 30a 'in which the supporting frame 31 is not located below.
As described above, the upper die 15 and the lower die 16 are fitted in a predetermined state as described above, so that the upper die 15 and the lower die 16 are reliably removed from the punched product 18.

FIG. 8 shows a punching material 45 used when the hollow portion 20 has a circular shape. The punching material 45 has a flat plate member 46 attached to the dividing line X side and an arcuate outer peripheral portion. The circular arc members 47 are combined to form a semicircular ring. As shown in FIG. 9, the arc-shaped member 47 has a V-shaped protrusion that opposes both side surfaces of the plate-shaped base material 47a in the vertical direction, and also has a rhombic shape to prevent slippage with the material sheet 17. The base portion 47a is provided with a meat portion 47b.
Is curved along the punching line L '.

The external device of the present invention is not limited to the above construction, and the blade 34a is formed as a blade member 34 which is a separate body from the support frame 31, but as shown in FIG. Three
It may be integrally projected from a required position on the upper end surface of 1a.

[0031]

As is apparent from the above description, in the device for removing punching scraps in the paper punching device according to claim 1 of the present invention, the upper and lower dies are moved closer to each other to punch the cutout portion. The punching material comes into contact with the scrap and presses the punching scrap into the punching hole formed in the other mold. As a result, in the punching scrap in which the support frame is located in the punching hole, the blade contacts the splitting line and presses the splitting line, so that the remaining portion of the punching line is cut off by the punching material, It is possible to separate the residual part of the dividing line by the blade and the punching material on both sides, and divide the punching scraps in the cutout portion into both sides of the blade and remove it from the punched product.

As described above, even if the support frame is located below the punching hole, the punching scraps can be divided into both sides of the blade and can be surely removed, so that the support frame should be avoided to avoid the punching hole. Since it is not necessary to bend and mold, it is possible to prevent the manufacturing cost from increasing, and by forming the support frame in a linear shape, it is possible to simplify the lower die assembly work and improve workability. I can.

In the external device according to the second aspect, the material sheet is conveyed to the upper surface of the lower die substrate in a fixed state, the punching line and the dividing line are positioned at required positions, and the upper die is lowered. As a result, the punching scraps are removed from the punched product, so that the punching scraps can be reliably removed in a stable state.

In the external device according to the third aspect, since the separate blade member is slidably attached to the vertical frame portion of the support frame, the shape of the punched product and the shape and position of the punched hole can be adjusted. When a change occurs, the blade member can be moved to a required position and the blade can be easily arranged at a position facing the dividing line. Therefore, it is not necessary to form a dedicated support frame for various punched products.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an external device of the present invention.

FIG. 2 is a plan view showing a material sheet.

FIG. 3 is a plan view showing a lower mold.

FIG. 4 is a perspective view showing a support frame for fixing the lower die substrate.

FIG. 5 is an exploded perspective view of a support frame.

FIG. 6 is a bottom view showing the upper mold.

7 (A), (B) and (C) are cross-sectional views for explaining the action of removing punching chips through a punching hole in which a support frame is located on the lower surface.

FIG. 8 is a bottom view showing a punching material for removing the punching scraps of the circular hollow portion.

FIG. 9 is a perspective view showing a member for forming an arcuate punching material.

FIG. 10 is a perspective view showing a modified example of the support frame.

FIG. 11 is a perspective view showing a conventional material sheet.

FIG. 12 is a plan view showing a punching line.

13A and 13B are cross-sectional views for explaining problems of the conventional external removal device.

FIG. 14 is a plan view showing a lower mold of a conventional outer removal device.

[Explanation of symbols]

 15 Upper mold 16 Lower mold 17 Material sheet 18 Punching product 19, 21, 23 Punching scrap 20, 22 Punching part 25, 26, 27 Punching material 30 Lower mold substrate 30a Punching hole 31 Supporting part 31a Vertical frame part 31d Groove 32 Fixed frame 34 Blade member 34a Blade 34b Engaging protrusion 40 Upper die substrate L, L'Punching line La Remaining part Lb Cutting part X Dividing line

Claims (3)

[Claims] 1. A material sheet is preliminarily provided with a punching line consisting of a cut portion and a residual portion along the outer peripheral edge of the punched product and the hollowed portion inside, and the material sheet provided with the punching line is of the upper and lower molds. Placed between them, the upper and lower dies are moved in the proximity direction, and the punching material protruding from the board of one die and the board along the outer shape of the punched product of the other die are fitted together. ,
In a punching chip removing device for separating punching chips from a punching product by cutting off the remaining portion, a punching hole having a shape corresponding to the hollowing section is provided in the other type of substrate and the punching hole is formed in the punching hole. While the blade is projected from the supporting frame of the substrate located on the one side, the punching material is projected on one of the molds so as to be located on both sides of the blade, and the cutting part and the cutting part which are provided in advance in the cutout part of the material sheet are left. A device for removing punching scraps in a paper-machine punching device, wherein a dividing line consisting of parts is cut by the blade and a punching material to divide the punching scraps so as to be released from the punching holes. 2. The other mold is a lower mold, and the substrate of the lower mold is installed above the fixed frame via the support frame, while the one mold is an upper mold and the upper mold is movable. The outer removal device according to claim 1, wherein the outer removal device is configured to be moved closer to the lower mold side. 3. The support frame includes a board mounting portion for fixing to a board at one end of a vertical frame portion and a fixed frame mounting portion at the other end, and a groove for mounting is recessed at one end surface of the vertical frame portion. On the other hand, the blade member is provided at one end and the other end is provided with a separate blade member provided with an engaging projection for engaging with the groove, and the blade member is slidably attached to the groove. The external device according to claim 1 or 2.