WO2016043266A1

WO2016043266A1 - Cutting die device

Info

Publication number: WO2016043266A1
Application number: PCT/JP2015/076468
Authority: WO
Inventors: 章太郎鈴木; 芳幸和田; 賢輔平田; 拓紀油井; 到大楽
Original assignee: 株式会社Ihi
Priority date: 2014-09-19
Filing date: 2015-09-17
Publication date: 2016-03-24
Also published as: JPWO2016043266A1; CN106255578A; TWI611890B; KR20160145770A; JP6299875B2; KR102079808B1; TW201622932A; CN106255578B

Abstract

A cutting die device (1) according to the present disclosure is obtained from a cutting die body (2) and a cover (3). The cutting die body (2) is provided with punching blades (5) on the surface of a base plate (4). Regions outside the punching blades (5) are provided with blade-surrounding elastic members (6) with height dimensions of at least the protrusion height of the punching blades (5) from the base plate (4) surface to the cutting edges (5a). Regions between the punching blades (5) are provided with between-blade elastic members (7) with height dimensions smaller than the protrusion height of the punching blades (5) from the base plate (4) surface to the cutting edges (5a). A sheet-shaped workpiece (W) is set above the cutting die body (2). With the cover (3) disposed above same, the cover is pressed in the vertical direction to die-cut the sheet-shaped workpiece (W) using the punching blades (5) and form cut pieces (X) of the workpiece. When die-cutting the sheet-shaped workpiece (W) with the punching blades (5), positional shifting of the sheet-shaped workpiece (W) is prevented by facilitating entry of the sheet-shaped workpiece (W) between the punching blades (5) and contact of the workpiece with the cutting edges (5a).

Description

Cutting device

The present disclosure relates to a die-cutting device used when a work piece having a certain external shape is formed by die-cutting from a sheet-like work.
This application claims priority based on Japanese Patent Application No. 2014-190793 for which it applied to Japan on September 19, 2014, and uses the content here.

As one of methods for forming a workpiece cut piece having a certain external shape from a sheet-like workpiece, a method of punching using a punching die is known.

As a sheet-like workpiece, for example, a die used for die-cutting a thin film, a sponge, urethane, or rubber having a height that hides the blade edge in the inner and outer regions of the blade on the surface of the base plate Conventionally, a punching die having a configuration in which an elastic material such as a plate is provided has been proposed. Furthermore, when using this punching die, a sheet-like workpiece is placed on the upper side of the elastic material, and an interposition plate for abutting the cutting edge of the punching blade is placed on the upper side of the sheet-like workpiece. Therefore, it has been proposed to perform pressing with a pressing roller (see, for example, Patent Document 1).

By the way, in recent years, as one of the manufacturing methods of products having a three-dimensional shape by fiber reinforced resin such as CFRP and GFRP, a work cutting piece whose outer shape is slightly different from a sheet-like work by fibers impregnated with resin, A method has been developed for forming a desired three-dimensional shape by forming by punching using a punching die, laminating these work pieces into a plurality of layers in a predetermined order and arrangement, and then integrating them. ing.

In such a manufacturing method, since the error of the shape (outer shape) of the workpiece cut piece formed by die cutting affects the three-dimensional shape to be finally formed, Accuracy is required.

However, as shown in Patent Document 1, when the sheet-like workpiece is cut, even if the sheet-like workpiece is pressed by a pressing roller through an intervening plate, the elastic materials arranged on the inside and outside of the punching blade are both If it is not compressed until the height is equal to or lower than the position of the cutting edge of the punching blade, the sheet-like workpiece does not contact the punching blade. Therefore, at the time of cutting the sheet-like workpiece, the sheet-like workpiece is difficult to enter inside the punching blade, and the positional deviation of the sheet-like workpiece with respect to the punching blade is likely to occur.

Japanese Unexamined Patent Publication No. 2001-105396

The present disclosure provides a die-cutting device that can prevent a positional deviation of a sheet-like workpiece with respect to a punching blade when the sheet-like workpiece is cut.

A first aspect of the punching device according to the present disclosure includes a punching blade provided to protrude from the surface of the base plate, and a height dimension equal to or higher than a protruding height from the surface of the base plate to the cutting edge of the punching blade. Then, a blade outer elastic member provided in a region outside the punching blade on the surface of the base plate, and a height dimension smaller than a protruding height from the base plate surface of the punching blade to the blade tip of the punching blade, A cutting die main body having a blade inner elastic member provided in an inner region of the punching blade on the surface of the base plate, and a cover in contact with a sheet-like workpiece set on the blade tip side of the punching blade of the punching main body. .

According to the punching device of the present disclosure, it is possible to prevent the displacement of the sheet-like workpiece with respect to the punching blade when the sheet-like workpiece is cut.

It is an outline cutting side view showing one embodiment of a die-cutting device of this indication, and showing a process from die-cutting start of a sheet-like work to die end. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic cut side view illustrating a process from the start of die cutting of a sheet-like workpiece to the end of die cutting, showing an embodiment of a die cutting device of the present disclosure. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic cut side view illustrating a process from the start of die cutting of a sheet-like workpiece to the end of die cutting, showing an embodiment of a die cutting device of the present disclosure. It is an AA direction arrow line view of FIG. 1A. It is a schematic diagram which shows the state in which the sheet-like workpiece | work was pushed inside the cutting blade at the time of a cutting | disconnection, and was in contact with the blade inner side elastic member. It is a side view which expands and shows the pin provided in the cutting die main body. It is a figure for demonstrating the height dimension of a blade inner side elastic member.

Hereinafter, modes for carrying out the present disclosure will be described with reference to the drawings.

1A to 5 show a first embodiment of a die-cutting device of the present disclosure.

FIG. 1A is a schematic cut side view showing a state in which a sheet-like workpiece and a cover are stacked on the die body, and FIG. FIG. 1C is a schematic cut side view showing a state in which the vertical pressing is released after the work piece is formed. FIG. 2 is a view taken in the direction of arrows AA in FIG. 1A. FIG. 3 is a schematic view showing a sheet-like workpiece pressed at the time of cutting, FIG. 4 is a view showing pins provided on the die body, and FIG. 5 is a view for explaining the height dimension of the blade inner elastic member.

1A, 1B, 1C, and 2 show a die cutting apparatus of the present disclosure, which includes a die body 2 and a cover 3 that is disposed above the die body 2.

The punching die body 2 includes a base plate 4, a punching blade 5 provided on the base plate 4 and protruding from the surface, and a blade outer elastic member 6 provided in a region outside the punching blade 5 on the surface of the base plate 4. And a blade inner elastic member 7 provided in a region inside the punching blade 5 on the surface of the base plate 4.

The punching blade 5 has an annularly continuous shape along the outer shape (contour) of the workpiece cutting piece X to be formed. The punching blade 5 projects the blade edge 5 a from the surface of the base plate 4 with a dimension that is larger than the thickness dimension of the sheet-like workpiece W.

The form of the punching blade 5 may be any of a Thomson blade, an engraving blade, and an etching blade that are conventionally used. You may combine for every part.

As shown in FIG. 2, in the present embodiment, four cutting blades 5 having substantially parallelograms are provided on the surface of the base plate 4.

Here, as shown in FIG. 1A, FIG. 1B, and FIG. 1C, the die-cutting device 1 of the present disclosure is used as a press mechanism for pressing when a workpiece cut piece X is punched and formed from a sheet-like workpiece W described later. A roller press (not shown) is used. In addition, the die-cutting device 1 of the present disclosure is configured so that the pressing roller is relatively moved in the direction along the long side of the rectangular base plate 4 as shown by an arrow D in FIG. Press with a roller. For this reason, the area where the die-cutting device 1 of the present disclosure receives a pressing load from the pressing roller is a linear area extending along the axial direction of the pressing roller, that is, along a direction perpendicular to the arrow D direction. It becomes the linear area | region extended. Therefore, the die-cutting device 1 of the present disclosure has a region that receives a linear pressing load along a direction perpendicular to the arrow D direction as the arrow D is moved relative to the pressing roller in the arrow D direction. Move sequentially in the opposite direction. Thereby, the punching device 1 of the present disclosure is sequentially pressed in the direction along the long side of the rectangular base plate 4 to perform pressing over the entire surface.

Here, as described above, in the punching device 1 of the present disclosure, when pressing is performed by the pressing roller, a region that receives a linear pressing load along a direction perpendicular to the arrow D direction is opposite to the arrow D direction. Move sequentially in the direction. Therefore, for example, when the continuous part of the punching blade 5 is arranged along the direction perpendicular to the arrow D direction, the concentration of the drag against the pressing load occurs at that point. Therefore, the arrangement (nesting) of the four cutting blades 5 on the surface of the base plate 4 is arranged in a direction in which the linearly extending portions of the respective cutting blades 5 are shifted from the direction perpendicular to the arrow D direction. It is desirable to set so that In the present disclosure, in order to disperse the drag force against the pressing load at the portion where the punching blades 5 are disposed, the portions of the punching blades 5 that are linearly extended are not in the direction perpendicular to the arrow D direction. It is arranged in. Thereby, in the die-cutting apparatus 1 of this indication, since it is suppressed that a big force is suddenly applied when pressing with the pressing roller, conveyance in the roller press can be stabilized.

Moreover, in the area | region outside each punching blade 5 in the surface of the base board 4, the surplus piece cutting for cutting the surplus piece Y which remains after the die cutting of the workpiece cutting piece X from the sheet-like workpiece W to the size which is easy to handle. The blade 8 is provided, for example, in an arrangement as shown in FIG. The surplus piece cutting blade 8 has the same protruding height from the surface of the base plate 4 to the cutting edge as each punching blade 5.

In addition, as shown in FIG. 2, the surplus piece cutting blade 8 is set to extend in a direction shifted by a certain angle from the direction perpendicular to the arrow D direction. Moreover, when providing the some excess piece cutting blade 8, each excess piece cutting blade 8 is shifted and arrange | positioned in the arrow D direction. The reason why the surplus piece cutting blade 8 is configured as described above is that, similarly to the arrangement of each of the punching blades 5 described above, a portion where a continuous portion of the surplus piece cutting blade 8 is arranged or a plurality of surplus piece cutting blades. This is to disperse the drag force against the pressing load at the place where the blade 8 is disposed. Therefore, even if the surplus piece cutting blade 8 is arranged, the die-cutting device 1 of the present disclosure suppresses sudden application of a large force when the pressing roller is pressed. It can be stabilized.

A blade outer elastic member 6 having a certain height is provided in a region outside the punching blades 5 on the surface of the base plate 4 and in a place where it does not interfere with the surplus piece cutting blade 8. The blade outer elastic member 6 is formed of a material such as sponge, urethane, or rubber, and can be elastically deformed by being compressed in the vertical direction.

In addition, in this specification, height is the quantity which protrudes from the surface of the base board 4 only, and does not include the up-down directionality.

The height dimension of the blade outer elastic member 6 is set to a dimension equivalent to or larger than the protruding height from the surface of the base plate 4 of each punching blade 5 to the blade edge 5a.

In the inner region of each punching blade 5 on the surface of the base plate 4, the blade inner elastic member 7 having a height dimension lower than the protruding height from the surface of the base plate 4 of the punching blade 5 to the cutting edge 5 a of the punching blade 5. Is provided. Thereby, a height difference between the cutting edge 5 a of the punching blade 5 and the surface of the blade inner elastic member 7 is formed inside the cutting edge 5 a of the punching blade 5.

The blade inner elastic member 7 is formed of a material such as sponge, urethane, or rubber, and can be elastically deformed by being compressed in the vertical direction in the same manner as the blade outer elastic member 6. The material of the blade inner elastic member 7 may be the same material as the material of the blade outer elastic member 6 or a different material.

As shown in FIG. 5, the height dimension p of the blade inner elastic member 7 is a protrusion height from the surface of the base plate 4 of each punching blade 5 to the blade edge 5 a, and a thickness dimension of the sheet-like workpiece W is r. When the amount of biting into the cover 3 by the cutting edge 5a of each punching blade 5 when cutting a sheet-like workpiece W to be described later with each punching blade 5, it is set to a value calculated by the following equation. preferable.
p = q- (s + r)

According to this setting, since the deformation of the blade inner elastic member 7 can be prevented when the sheet-like workpiece W is cut, when the sheet-like workpiece W is cut to form the workpiece cutting piece X, the sheet-like workpiece W is placed inside the blade. The possibility that the elastic member 7 is displaced due to the deformation in the vertical direction of the elastic member 7 can be avoided.

Further, as shown in FIG. 1A, FIG. 1B, FIG. 1C and FIG. 2, the material on the upper surface of the blade inner elastic member 7 and the region on the upper surface of the blade outer elastic member 6 and the upper surface of the blade inner elastic member 7 are made of respective materials. As a sheet made of a material having higher tensile rigidity and a smaller friction coefficient than each material, for example, a fluororesin sheet 9 made of tetrafluoroethylene or other fluororesin is integrally provided. In the punching device 1 of the present disclosure, as described above, when pressing with the pressing roller, a region that receives a linear pressing load along a direction perpendicular to the arrow D direction sequentially moves in the direction opposite to the arrow D direction. To do. Therefore, both the blade outer elastic member 6 and the blade inner elastic member 7 are deformed so that a linear portion along a direction perpendicular to the arrow D direction receiving the pressing load from above is partially recessed, This recessed portion moves in the direction opposite to the arrow D direction. At this time, since the fluororesin sheet 9 having higher tensile rigidity is integrally provided on the upper surfaces of the blade outer elastic member 6 and the blade inner elastic member 7, the blade outer elastic member 6 and the blade inner elastic member are integrated. Compared with the case where 7 is single, the deformation which receives the pressing load and is partially recessed can be averaged in the arrow D direction. For this reason, the local deformation | transformation of the sheet-like workpiece | work W currently mounted in the upper surface of the blade outer side elastic member 6 and the blade inner side elastic member 7 can be suppressed. Further, when the blade outer elastic member 6 and the blade inner elastic member 7 are deformed as described above, the fluororesin sheet 9 slips with the sheet-like workpiece W, so that the sheet-like workpiece W is wrinkled. Can be prevented.

In addition, when it is set as the structure which integrally provided the fluororesin sheet | seat 9 on the upper surface of the blade outer side elastic member 6, the height dimension of the blade outer side elastic member 6 which added the thickness dimension of the fluororesin sheet | seat 9 is the cutting blade 5's height dimension. It is only necessary to have a dimension equivalent to the protruding height from the surface of the base plate 4 to the cutting edge 5a of the punching blade 5 or a dimension larger than that.

Similarly, when the fluororesin sheet 9 is integrally provided on the upper surface of the blade inner elastic member 7, the height of the blade inner elastic member 7 to which the thickness dimension of the fluororesin sheet 9 is added is the cutting blade 5. What is necessary is just to become lower than the protrusion height from the surface of the base plate 4 to the cutting edge 5a of the punching blade 5. In this case, the preferable value of the height dimension p of the blade inner elastic member 7 shown in FIG. 5 is the blade inner elastic member including the thickness dimension t of the fluororesin sheet 9 as shown by a two-dot chain line in FIG. It may be set as a height of 7.

Furthermore, on the surface of the base plate 4, as shown in FIGS. 1A, 1B, and 1C, the cover 3 is provided at a plurality of locations near the outside of the region on which the sheet-like work W on the blade outer elastic member 6 is placed. A pin 10 is provided so as to protrude upward.

On the other hand, as shown in FIG. 1A, FIG. 1B, FIG. 1C, and FIG. 4, the cover 3 is inserted with pins for inserting the pins 10 from below into locations corresponding to the positions of the pins 10 of the die body 2. A hole 11 is formed in the vertical direction.

As shown in FIG. 2, each pin 10 is desirably provided along three sides of the four sides of the rectangular sheet-like workpiece W. This is because when the sheet-like workpiece W is set on the upper side of the blade outer elastic member 6 of the die body 2, the sheet-like workpiece W is made to follow the upper surface of the blade outer elastic member 6 from the side where the pin 10 is not provided. This is because the sheet work W can be easily set on the die body 2 so as to be arranged. In addition, the blade outer side elastic member 6 is provided with a hole or a notch through which the pin is inserted at a position corresponding to the arrangement of each pin 10.

Also, a plurality of pins 10 on the base plate 4 and corresponding pin insertion holes 11 on the cover 3 side are arranged in a certain interval in the arrow D direction. This is because, in the die-cutting device 1 of the present disclosure, as described above, when pressing is performed by the pressing roller, a region that receives a linear pressing load along a direction perpendicular to the arrow D direction is opposite to the arrow D direction. Move sequentially. For this reason, even if the cover 3 is deformed so as to bend downward at the place where the pressing load is received, either the pin 10 or the pin insertion hole 11 arranged in the arrow D direction is engaged. Thus, the displacement of the cover 3 can be prevented.

Furthermore, as shown in FIG. 4, the pin 10 includes a cylindrical pin shaft portion 12 extending in the vertical direction and a truncated cone-shaped pin head portion 13 provided on the upper end side of the pin shaft portion 12.

The pin shaft portion 12 has a vertical dimension corresponding to the sum of the height dimension from the surface of the base plate 4 to the surface of the fluororesin sheet 9 on the blade outer elastic member 6 and the thickness dimension of the sheet-like workpiece W. Is set to Thus, when the sheet-like workpiece W is set on the upper side of the blade outer elastic member 6 in the die body 2, the end surface of the sheet-like workpiece W is abutted against the side surface of the pin shaft portion 12 of the correspondingly arranged pin 10. Can be arranged. Therefore, the sheet-like workpiece W set in the die body 2 is suppressed from moving in the direction in which the pins 10 are arranged.

Further, in this state, in each pin 10, the edge of the sheet-like workpiece W may be sandwiched between the blade outer elastic member 6 by the step portion 14 between the pin shaft portion 12 and the pin head portion 13. it can. Thereby, the lifting of the edge of the sheet-like workpiece W set in the die body 2 is prevented.

The pin head 13 has a truncated cone shape because each of the covers 3 is formed when the cover 3 is placed on the upper side of the sheet-like workpiece W set on the die body 2 due to the inclined surface of the outer periphery of the pin head 13. This is to facilitate insertion of the correspondingly arranged pins 10 into the pin insertion holes 11.

The dimensions of the pins 10 projecting from the surface of the base plate 4 and the thickness of the cover 3 are such that the cutting edge 5a of each punching blade 5 is the lower surface of the cover 3 so that the sheet-like workpiece W is cut by each punching blade 5. The pin 10 is set so that the top of the pin 10 does not protrude upward from the cover 3 when the pin 10 is lowered to the position where it bites into the cover 3.

According to the configuration in which the punch body 2 is provided with the pin 10 and the cover 3 is provided with the pin insertion hole 11, the horizontal direction relative to the punch body 2 with the pin 10 being inserted into the pin insertion hole 11. The position is constrained. Thereby, the possibility that the positions of the sheet-like workpiece W and the workpiece cutting piece X are displaced in the horizontal direction accompanying the cover 3 in contact with the upper surface side can be eliminated.

Furthermore, the blade inner elastic member 7 arranged inside each punching blade 5, the fluororesin sheet 9 provided on the upper surface thereof, and the location on the inside of each punching blade 5 in the base plate 4, A suction hole 15 penetrating in the vertical direction is provided. As a result, in the die body 2, the workpiece cutting piece that is die-cut by the punching blade 5 from the sheet-like workpiece W by performing suction through the suction hole 15 by a suction device (not shown) connected to the lower end side of the suction hole 15. X can be adsorbed and held on the upper side of the blade inner elastic member 7. The suction holes 15 are located on the outer side of the punching blade 5 and in the vertical direction on the blade outer elastic member 6, the fluororesin sheet 9 provided on the upper surface thereof, and the base plate 4 at the place where the surplus piece Y is disposed. It is provided so that it may penetrate. As a result, in the die body 2, the excess piece Y separated from the workpiece cutting piece X is also sucked and held on the upper side of the blade outer elastic member 6 by suction through the suction hole 15.

When using the die-cutting device 1 of the present disclosure having the above-described configuration, the cover 3 is previously disposed at a position above the die-cutting body 2 or the cover 3 is not placed above the die-cutting body 2. The sheet-like workpiece W is set on the upper surface of the blade outer elastic member 6 in the moved state. At this time, the corresponding end surface of the sheet-like workpiece W is disposed to abut against the pin shaft portion 12 of each pin 10.

Next, as shown in FIG. 1A, the cover 3 is set on the upper side of the sheet-like workpiece W set on the die body 2. Thereby, it will be in the state where the sheet-like workpiece | work W was set to the die-cutting apparatus 1 of this indication.

Next, the mold body 2 and the cover 3 are moved by the pressing roller while the mold cutting device 1 of the present disclosure is moved relative to the pressing roller of the roller press (not shown) in the direction of the arrow D shown in FIG. Press from both sides or one side in the vertical direction.

Accordingly, as the region receiving the pressing load by the pressing roller moves in the direction opposite to the direction of the arrow D in FIG. 2, in the region receiving the pressing load, as shown in FIG. On the other hand, the cover 3 is relatively lowered to the position where the cutting edge 5a of each punching blade 5 bites into the lower surface of the cover 3. The sheet-like workpiece W pushed down by the cover 3 is cut when the cutting edges 5a of the punching blades 5 bite in sequentially. At this time, when the sheet-like workpiece W positioned on the upper surface of the punching blade 5 receives a pressing load by the pressing roller, as shown in FIG. 3, it is pushed downward and enters the inside of the punching blade 5, The blade 5 comes into contact with the cutting edge 5a easily. When the cutting edge 5a of the punching blade 5 bites into the sheet-like workpiece W, the relative displacement of the portion where the cutting edge 5a bites into the punching blade 5 is restricted by the punching blade 5. For this reason, the sheet-like workpiece W is prevented from being displaced with respect to the punching blade 5 in the process of being sequentially cut by receiving the pressing load from the pressing roller. By cutting the sheet-like workpiece W by the punching blades 5 in this way, the die-cut workpiece cutting pieces X are formed inside each punching blade 5. The workpiece cutting piece X is received by the blade inner elastic member 7 inside each punching blade 5.

At this time, surplus pieces Y are simultaneously formed from the sheet-like workpiece W on the outside of each punching blade 5. This surplus piece Y is cut into a size that is easy to handle by the surplus piece cutting blade 8.

In this state, in the die-cutting device 1 of the present disclosure, the suction hole 15 is sucked by the suction device, the workpiece cutting piece X is placed on the upper surface of the blade inner elastic member 7, and the surplus piece Y is placed on the blade outer elastic member 6. Adsorbed on the upper surface of each.

1B shows a state in which the cover 3 is entirely pushed down for convenience of illustration, but in reality, the region of the cover 3 where the pressing load is applied by the pressing roller is shown in the direction of arrow D (FIG. 2). Therefore, the portion where the cover 3 is surely pressed to the position where the cutting edge 5a of the cutting blade 5 bites into the cover 3 also moves sequentially in the direction opposite to the arrow D direction. Accordingly, the cutting of the sheet-like workpiece W by the respective cutting blades 5 is actually performed sequentially in the direction opposite to the direction of the arrow D, so that the workpiece cutting piece X is sucked by the suction hole 15 and the surplus piece Y is removed. The suction is sequentially performed when the workpiece cutting piece X and the surplus piece Y are formed.

Thereafter, when the pressing by the pressing roller with respect to the punching device 1 of the present disclosure is completed, the cover 3 is restored to the initial shape from the state in which the blade outer elastic member 6 is compressed in the vertical direction by the restoring force shown in FIG. As shown, it is pushed up to the initial position above the die body 2.

At this time, since the height dimension of the blade inner elastic member 7 is set lower than the protruding height from the surface of the base plate 4 of each punching blade 5 to the blade edge 5a, the sheet-like workpiece W is cut as described above. Until this is done, the sheet-like workpiece W is pushed inside the punching blade 5 to prevent the sheet-like workpiece W from being displaced during cutting. After cutting the sheet-like workpiece W, the workpiece cutting piece X is held inside the punching blade 5. On the other hand, the surplus piece Y is moved to a position above the cutting edge 5a of each punching blade 5 as the blade outer elastic member 6 is restored to the initial shape.

Further, at this time, if the workpiece cutting piece X is in a state of being attracted to the upper surface of the blade inner elastic member 7 by the suction of the suction hole 15, when the cover 3 is pushed up by the blade outer elastic member 6, it is adsorbed by static electricity. In addition, the movement of the workpiece cutting piece X following the cover 3 by vacuum suction can be more reliably prevented.

Thereafter, the workpiece cutting piece X is removed by a picking device (not shown) in a state where the cover 3 is arranged at a position above the die body 2 or moved to a position not above the die body 2. Picked up from the inside of the blade 5. The surplus piece Y is removed from the upper side of the blade outer elastic member 6 using another picking device (not shown).

At this time, if the surplus piece Y is removed before the pick-up of the work piece X, even if the surplus piece Y is displaced on the upper side of the blade outer elastic member 6, the work piece is removed. The pickup of X can be performed without interfering with the surplus piece Y.

As described above, according to the punching device 1 of the present disclosure, since the position of the upper surface of the blade inner elastic member 7 provided inside the punching blade 5 is lower than the height of the cutting edge 5a of the punching blade 5, it is shown in FIG. As described above, the sheet-like workpiece W can enter the concave shape inside the punching blade 5 and can be received by the blade inner elastic member 7. In this state, since the sheet-like workpiece W is in contact with the corresponding punching blade 5, it is possible to prevent a positional shift with respect to the corresponding punching blade 5 when the sheet-like workpiece W is cut.

Furthermore, in the punching device 1 of the present disclosure, the workpiece cutting piece X formed by cutting from the sheet-like workpiece W is held inside the punching blade 5, and in this state, the outer peripheral end of the workpiece cutting piece X corresponds to Is in contact with the punching blade 5 to be cut. For this reason, since the position of the workpiece cutting piece X is constrained by the punching blade 5, in the punching device 1 of the present disclosure, it is possible to prevent the positional deviation of the formed workpiece cutting piece X with respect to the corresponding punching blade 5.

As a second embodiment, the die-cutting device 1 of the present disclosure has a configuration in which the upper and lower sides of the die-cutting device 1 of the present disclosure are inverted, and is pressed by a pressing roller. It can be cut and die-cut while preventing displacement.

In other words, in this embodiment, the die-cutting device 1 of the present disclosure shown in FIGS. 1A, 1B, and 1C is reversed, and the die body 2 and the cover 3 are moved up and down by a pressing roller (not shown) of a roller press. In the same manner as described above, the punching blade 5 is cut into the sheet-like workpiece W while being sequentially moved in the region that receives the pressing load by the pressing roller.

At this time, the sheet-like workpiece W positioned on the lower side of the punching blade 5 facing downward is pushed through the cover 3 by the movement of the region receiving the pressing load by the pressing roller. The portion of the sheet-like workpiece W located inside is sequentially cut while being pushed into the inside of the punching blade 5.

Also in this case, the sheet-like workpiece W enters the inside of the punching blade 5 and easily comes into contact with the cutting edge 5a of the punching blade 5 when receiving a pressing load by the pressing roller from below.

Thereby, the sheet-like workpiece W is cut without being displaced in the process of being cut by the punching blade 5 and die-cutting. At the same time, the surplus piece Y is cut by the surplus piece cutting blade 8.

As described above, when the punching device 1 of the present disclosure is pressed in a posture in which the punching main body 2 is positioned above the sheet-like workpiece W, the punching device 1 of the present disclosure is reversed again, and FIG. As shown in FIG. 1B and FIG. 1C, the sheet-like workpiece W and the cover 3 are positioned above the die body 2.

Subsequent operations are the same as those in the first embodiment shown in FIGS. 1A to 5.

In addition, this indication is not limited only to said each embodiment, The height dimension of the blade inner side elastic member 7 is set to a dimension smaller than the protrusion height from the base board 4 surface of the punching blade 5 to the blade edge | tip 5a. If the sheet-like workpiece W can enter the inside of the punching blade 5 due to the step between the surface of the blade inner elastic member 7 and the cutting edge 5a of the punching blade 5, the height dimension of the blade inner elastic member 7 is appropriately changed. May be.

The shape, number, and arrangement of the punching blades 5 provided in the punching die body 2 may be set to any shape, number, and arrangement other than those illustrated. Further, the shape, arrangement and number of the surplus piece cutting blades 8 may be freely set according to the shape, number and arrangement of the punching blades 5.

The pin 10 provided in the die body 2 may be configured to have a cylindrical shape from the upper end to the lower end instead of the configuration including the truncated cone-shaped pin head 13 above the pin shaft portion 12 as shown in FIG. Good. Even in this configuration, the effect of preventing the relative displacement of the cover 3 in the horizontal direction with respect to the die body 2 and the positional deviation of the sheet workpiece W by abutting the end surface of the sheet workpiece W set on the die body 2 are achieved. The effect which prevents can be acquired.

Furthermore, the pin 10 provided in the die body 2 does not interfere with the sheet-like workpiece W placed on the die body 2 when it is only intended to obtain the effect of preventing the die body 2 and the cover 3 from shifting. You may arrange | position in arbitrary positions.

In addition, the die-cutting device 1 of the present disclosure includes a base plate 4 of the die-cutting body 2 and a cover instead of a roller press as a press mechanism for applying a pressing load for die-cutting the workpiece cutting piece X from the sheet-like workpiece W. 3 may be used in a press mechanism of a type that presses evenly over the entire surface. In this case, the number of pins 10 provided in the die body 2 may be reduced.

Of course, various modifications can be made without departing from the scope of the present disclosure.

According to the present disclosure, it is possible to prevent a positional deviation with respect to the punching blade when the sheet-like workpiece is punched and cut.

DESCRIPTION OF SYMBOLS 1 Cutting device 2 Cutting body 3 Cover 4 Base plate 5 Cutting blade 5a Cutting edge 6 Blade outer elastic member 7 Blade inner elastic member 8 Surplus piece cutting blade 9 Fluororesin sheet 10 Pin 11 Pin insertion hole 12 Pin shaft portion 13 Pin head 15 Suction hole W Sheet work X Work piece

Claims

A punching blade provided protruding from the surface of the base plate,
A blade outer elastic member provided in a region outside the punching blade on the surface of the base plate with a height dimension equal to or higher than a protruding height from the base plate surface of the punching blade to the cutting edge of the punching blade;
A punching die having a height dimension smaller than a protruding height from the base plate surface of the punching blade to the cutting edge of the punching blade and provided in a region inside the punching blade on the surface of the base plate. With a body,
Furthermore, the die-cutting apparatus provided with the cover which contact | connects the sheet-like workpiece | work set to the blade-tip side of the punching blade of the said die-cutting main body.
The die cutting apparatus according to claim 1, wherein a fluororesin sheet is provided on a surface of the blade outer elastic member and a surface of the blade inner elastic member.
The punching main body is provided with protruding pins at a plurality of locations in the vicinity of the outside of the region where the sheet-like workpiece is set,
The die cutting apparatus according to claim 1, wherein the cover is provided with a pin insertion hole for inserting each pin at a position corresponding to each pin of the die main body.
The punching main body is provided with protruding pins at a plurality of locations in the vicinity of the outside of the region where the sheet-like workpiece is set,
The punching device according to claim 2, wherein the cover is provided with a pin insertion hole for inserting each pin at a position corresponding to each pin of the punching main body.
The pin of the punching body includes a truncated cone-shaped pin head on the tip side of a cylindrical pin shaft portion extending in the vertical direction,
4. The die cutting apparatus according to claim 3, wherein the vertical dimension of the pin shaft portion corresponds to the sum of the height dimension of the blade outer elastic member and the thickness dimension of the sheet-like workpiece.
The pin of the punching body includes a truncated cone-shaped pin head on the tip side of a cylindrical pin shaft portion extending in the vertical direction,
5. The die cutting apparatus according to claim 4, wherein a vertical dimension of the pin shaft portion corresponds to a sum value of a height dimension of the blade outer elastic member and a thickness dimension of the sheet-like workpiece.
The punching main body includes a surplus piece cutting blade in a region outside the punching blade on the surface of the base plate,
And the surplus piece cutting blade is in a direction deviated from the perpendicular direction of the moving direction when the vertical pressing load is applied while moving the die main body and the cover in a state where the sheet-like work is set and stacked. The die-cutting device according to any one of claims 1 to 6, which is arranged.
The die cutting device according to any one of claims 1 to 6, wherein the blade inner elastic member and the base plate are provided with suction holes for sucking a workpiece cutting piece disposed above the blade inner elastic member. .
The die-cutting device according to claim 7, wherein the blade inner elastic member and the base plate are provided with suction holes for sucking a workpiece cutting piece disposed above the blade inner elastic member.