JP2006315123A - Laminated substrate cutting method and cutting die for use therein - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a laminated substrate cutting method for uniformly pressing a laminated substrate as a cutting objective workpiece, and achieving cutting operation with high accuracy in a manner minimizing a bite portion of a cutting edge and reducing stress to the laminated substrate, and to provide a cutting die for use in the method. <P>SOLUTION: The cutting die is formed of an upper blade die 2 having upper blades 3 each exhibiting a V-shaped cross section at a distal end, and a lower blade die 4 opposed to the upper blade die 2 and having lower blades 5 of the same structure. According to the structure of the cutting die, by moving the upper blade die 2 or both the upper blade die 2 and the lower blade die 4, upper retainers 6 and lower retainers 7 softly hold the laminated substrate 1 or allow the laminated substrate 1 to be mounted thereon, and thus the cutting die carries out cutting of the laminated substrate 1 while a gap is secured between the upper blades 3 and the lower blades 5. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a method for cutting a laminated base material obtained by laminating various foils, thin plate materials, sheet materials, and the like in multiple layers, and a cutting die thereof.

  Conventionally, as a method for cutting this type of laminated base material, cutting by a rotary slitter, a die cutter, a Thomson method or the like has been performed.

  FIG. 10 shows a schematic cross-sectional view of a main part for explaining an outline of conventional cutting processing of a laminated base material. In FIG. 10, reference numeral 1 denotes a laminated base material that is a material to be cut, for example, a material made of PET (polyethylene terephthalate) material, a material of PET material coated with palladium, gold, nickel or the like, and various detection materials are applied. A PET material or the like is adhered and laminated by hot melt (adhesive).

  Reference numeral 41 denotes an upper blade type that is movable up and down for cutting the laminated base material 1, and has a predetermined number of upper blades 43 made of super steel material at a predetermined interval on the lower surface. A material presser 46 made of urethane rubber or sponge is disposed between the blades 43. 47 is an elastic body such as a resin or a rubber material, and is an underlay on which the laminated base material 1 is placed.

  Then, as shown in FIG. 10A, after the laminated base material 1 is placed at a predetermined location of the underlay 47, the upper blade 41 is lowered as shown in FIG. The front end portion of 43 is in contact with and passes through the laminated base material 1 and cut into the upper surface of the underlay 47 to cut the laminated base material 1 into a predetermined shape.

As prior art document information relating to this application, for example, Patent Document 1 is known.
JP 2004-154913 A

  However, in the conventional method for cutting a laminated base material and its upper blade mold (die), the upper blade 43 of super steel material is bitten into the underlay 47 of the elastic body and cut into the laminated base material 1. Pressure is not uniform, and the portion (volume) of the upper blade 43 that bites into the laminated base material 1 increases, resulting in a large stress on the material to be cut at the time of the cutting process, that is, the laminated base material 1, and cracks. There is a problem in that the generation of the sheet, the deterioration of the cutting process accuracy, and the underlay 47 become a consumable item that needs to be moved or replaced every time the cutting process is performed.

  The present invention is intended to solve the above-described problem, and can uniformly apply pressure to a laminated base material that is a material to be cut, and there is little biting portion of the cutting blade into the material to be cut. An object of the present invention is to provide a method of cutting a laminated base material that can reduce cutting stress with high accuracy and can perform high-precision cutting, and a molding die thereof.

  In order to achieve the above object, the present invention has the following configuration.

  The invention according to claim 1 of the present invention is particularly a gold comprising an upper blade mold having an upper blade having a V-shaped tip section and a lower blade mold having a lower blade of the same shape structure opposed to the upper blade mold. The laminated substrate is transferred and placed on the mold, and the upper blade mold or the upper blade mold and the lower blade mold are moved by the upper blade and the lower blade, and the cutting process is performed from above and below. The cutting process is performed, and the material to be cut, that is, the laminated base material, can be uniformly pressed, the stress on the material to be cut is small, and there is an effect that high-precision cutting can be performed.

  The invention described in claim 2 of the present invention has a configuration in which the laminated base material is placed and flexibly held by the upper material presser and the lower material presser made of an elastic body. The cutting work material can be held and set without giving strain or stress, and there is an effect that high-precision cutting can be performed.

  The invention described in claim 3 of the present invention has a configuration in which a predetermined gap is provided between the upper blade and the lower blade at the time of a cutting operation, and the workpiece is cut. There are few biting parts of the blade for cutting, and it has the effect of being able to perform cutting processing with high accuracy and optimum for various workpieces.

  The invention according to claim 4 of the present invention has a configuration in which an upper blade or a lower blade, or an upper blade and a lower blade, in which the angle of the V shape is 25 to 30 degrees, in particular, The amount of biting of the cutting blade into the workpiece can be reduced, the blade life is maintained, and there is an effect that high-precision cutting can be performed without applying stress to the workpiece at the time of cutting.

  The invention according to claim 5 of the present invention includes an upper blade mold having an upper blade having a V-shaped cross section at the tip, a stripper plate for inserting the upper blade mold tip and pressing and holding the laminated base material, Upper material presser made of an elastic material for holding the base material flexibly, a punch plate through which the tip of the upper blade mold is closely inserted, an upper backing plate for fixing one surface of the punch plate and one end surface of the upper blade mold, and an upper backing plate An upper mold which is made up of a punch holder for fixing one surface thereof, a vertically movable upper mold, a lower blade mold having a V-shaped lower blade opposed to the upper blade, a laminated base through which the lower blade mold tip is inserted Knockout plate for placing and holding materials, lower material presser made of an elastic material for holding and placing laminated substrates flexibly, a die plate for closely inserting the tip of the lower blade mold, one surface of the die plate and the lower blade mold of It is composed of a lower backing plate composed of a lower backing plate for fixing the end surface, a die holder for fixing one surface of the lower backing plate, and a guide post having one end for restricting and guiding the movement of the upper die fixed to the die holder. With this configuration, cutting is performed from the top and bottom, no special mold operation or operation is required, uniform pressure can be applied to the workpiece, that is, the laminated substrate, and the workpiece is cut There is an effect that the stress to the material is small and high-precision cutting can be performed.

  The invention described in claim 6 of the present invention has a configuration in which an upper blade or a lower blade, or an upper blade and a lower blade, having an angle of 25 to 30 degrees is used. This reduces the amount of biting of the blade for cutting into the workpiece, maintains the blade life, and provides high-precision cutting without applying stress to the workpiece during cutting. Have.

  In the invention according to claim 7 of the present invention, in particular, the upper material presser and the lower material presser are arranged at positions where the tips of the upper and lower blade molds of the stripper plate and knockout plate are inserted. Thus, the material to be cut can be flexibly held or placed, and there is an effect that high-precision cutting can be performed without applying stress to the material to be cut during cutting.

  In the invention according to claim 8 of the present invention, in particular, the lower blade protrusion amount adjustment block is disposed in the die plate, and the lower blade protrusion amount adjustment block is brought into contact with the upper tip surface and the lower surface of the knockout plate, It is possible to adjust and set the protruding amount of the lower blade to the laminated base material, so that the protruding amount of the lower blade can be set freely, such as setting the gap with the upper blade, and various cuts It has the effect of being able to perform high-precision cutting that is optimal for the workpiece and has good post-processing accuracy.

  According to the ninth aspect of the present invention, in particular, the upper bumper and the lower bumper are disposed on the lower surface of the punch holder and the upper surface of the die holder, and the tip surface of the upper bumper and the lower bumper are brought into contact with each other. The amount of protrusion of the upper blade to the laminated base material can be adjusted and set, so that the amount of protrusion of the upper blade can be set freely such as setting the gap with the lower blade. It is optimal for cutting materials and has the effect of being able to perform high-precision cutting with good post-processing accuracy.

  The method for cutting a laminated substrate of the present invention and the cutting die thereof are composed of an upper blade mold and a lower blade mold each having an upper blade and a lower blade capable of performing a cutting operation with a predetermined gap, and are to be cut. The stress to the laminated base material, which is a work material, can be reduced, cutting burr and deformation of the work material to be cut can be prevented, and high-accuracy cutting work is possible. It has the effect of being able to.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  It should be noted that the same components as those described in the background art are given the same reference numerals and detailed description thereof is omitted.

  FIG. 1 is a schematic diagram of a main part for explaining the cutting process according to the embodiment of the present invention, FIG. 2A is an enlarged sectional view of a main part of the cutting blade, and FIG. FIG. 3 to FIG. 9 are enlarged operation process diagrams in the cutting process.

  A basic configuration of a main part of a mold that is a cutting mechanism will be described. 1 and 2, 1 is a laminated base material (a material to be cut), 2 is a movable upper blade type made of steel or cemented carbide, and 3 is a cemented carbide and is, for example, 25 to 35 degrees. Preferably, it is an upper blade having a V-shaped cross section of about 30 degrees, and a predetermined number of cutting shapes and dimensions (pitch) are integrally formed on the lower tip portion of the upper blade mold 2 or formed by fixing them separately. Has been.

  Note that the base (lower end) portion of the upper blade 3 is not linearly inclined, but may be curvedly inclined for strength and manufacturing workability, and the most advanced surface structure having a width of 0.01 to 0.02 mm, that is, a fine width, for example. It has become.

  Reference numeral 6 denotes an upper material presser, which is made of an elastic material such as urethane rubber or sponge, has a slit 8 through which the upper blade 3 is inserted, and is a portion where the upper blade 3 is not present in the upper blade mold 2 on the upper surface. It is attached to the lower surface of the.

  The lower blade mold 4, the lower blade 5, the lower material retainer 7 and the slit 9 correspond to the upper blade mold 2, the upper blade 3, the upper material retainer 6 and the slit 8, respectively, and can be handled by the same material, shape and configuration. In other words, the upper blade 3 and the lower blade 5 are arranged opposite or in a straight line, and the lower blade mold 4 is fixed or movable.

  Next, an example of a cutting die for cutting the laminated base material into a predetermined shape in the present invention will be described with reference to the drawings. 3 to 9, reference numeral 38 denotes a laminated base material chuck in a transfer mechanism that holds the laminated base material 1 that is a workpiece to be cut and that is transported to and maintained at a predetermined position of a cutting die that is cut into a predetermined shape. It is movable up and down at a predetermined position of the cutting mold.

  2a is an upper blade type made of steel, cemented carbide or the like, and the upper part is fixed to the lower surface of the upper backing plate 13 made of a metal material with mounting bolts, and the lower part is made of cemented carbide and is about 30 degrees, for example. An upper blade 3a having a V-shaped cross section is integrally formed with the upper blade mold 2a in a predetermined number in terms of cutting shape and size (pitch), or separately manufactured.

  Reference numeral 3b denotes a groove provided between the upper blades 3a at the lower end of the upper blade mold 2a. The groove 3b is disposed at the lower end portion of the central hole through which the lower portion of the upper blade mold 2a is inserted in the stripper plate 11 made of steel. The upper material presser 6a made of an elastic material such as urethane rubber or sponge is inserted, and the upper material presser 6a is compressed by the movement of the upper blade mold 2a.

  Reference numeral 19 is a metal material, and a lower part is a stripper guide post fixed to one end of the stripper plate 11, and 12 is a punch plate made of a metal material. The stripper guide post 19 is slidably inserted and guided in the center on one side. A stripper guide bush 20 made of steel is fitted, and a hole penetrating and passing through a sleeve 14 made of a metal material through which a bolt 15 screwed into the upper surface of the stripper plate 11 is inserted on the other side, and a central portion The upper part of the upper blade mold 2 a is fitted into the upper surface, and the upper surface is fixed to the lower surface of the upper backing plate 13.

  Note that the upper end of the sleeve 14 is wide and is set at the upper surface position of the upper backing plate 13 (the lower surface of the punch holder 18). By tightening the stripper plate 11 with the bolt 15, the punch holder 18 and the stripper plate 11. Is set to be constant, that is, the lower length of the sleeve 14.

  The upper backing plate 13 is provided with a hole that passes through the sleeve 14 through which the stripper guide post 19 and the bolt 15 are inserted, and the upper surface is fixed to the lower surface of the punch holder 18 made of a metal material.

  21 is made of a metal material, and the bolt 15, that is, the stripper plate 11 is fixed to the punch plate 12 with a predetermined gap by an upper bumper fixed with bolts on one or both sides of the lower surface of the punch holder 18, and a spring 16 and a screw plug 17. It is energized in the downward direction.

  A bush 35 made of steel has a ball retainer 34 inserted therein, and is fitted and fixed to one side of the punch holder 18. The upper mold | type which can move up and down in a cutting metal mold | die is comprised by the above.

  22 is a knockout plate made of steel and corresponding to the stripper plate 11, and the lower blade mold 4a, the lower blade 5a, the groove 5b, the lower material presser 7a, the knockout guide post 30 and the knockout guide bush 31 are respectively the upper blade mold 2a, It corresponds to the upper blade 3a, the groove 3b, the upper material presser 6a, the stripper guide post 19 and the stripper guide bush 20, and is arranged to face each other with the same material, the same or similar shape and configuration.

  Further, the lower mold bumper 32, the die holder 26, the die plate 23, the lower backing plate 24, the sleeve 27, the bolt 37, the spring 28, and the screw plug 29 are the upper mold bumper 21, the punch holder 18, the punch plate 12, and the upper backing, respectively. The plate 13, the sleeve 14, the bolt 15, the spring 16, and the screw plug 17 correspond to each other and are arranged to face each other with the same material, the same or similar shape and configuration.

  Reference numeral 25 denotes a lower blade protrusion amount adjustment block made of steel, the lower end of which is in contact with the upper surface of the lower backing plate 24 and embedded in the die plate 23, and the upper end protrudes from the upper surface of the die plate 23.

  In this embodiment, the bolt 37, the sleeve 27, and the like are symmetrical with respect to the upper blade 3a and the lower blade 5a, which are processing operation portions in the present embodiment.

  Reference numeral 33 denotes a guide post made of a steel material. The lower end is fixed to one side or both sides of the die holder 26 and is inserted through a spring 36 that urges the upper die upward, and the upper end closely contacts the inside of the ball retainer 34. It is inserted. The lower mold in the cutting mold is thus configured.

  The urging force of each spring is set such that spring 36> spring 16> spring 28.

  Next, the cutting operation will be described. First, as shown in FIG. 3, the upper die is set to a top dead center position in the upper direction by a biasing and driving mechanism (not shown) of a spring 36, and is a workpiece to be cut by a laminated base material transport mechanism (not shown). The laminated base material 1 is transferred to a predetermined position and held and maintained by the laminated base material chuck 38.

  At that time, the stripper plate 11 is at a position where there is a gap that is most separated from the punch plate 12 due to the bias of the spring 16, and the knockout plate 22 is at a position where there is the gap that is most separated from the die plate 23 due to the bias of the spring 28. ing.

  Accordingly, the upper blade 3a is inside the hole of the stripper plate 11, the upper material presser 6a is outside or almost outside the groove 3b at the tip portion of the upper blade 3a, and similarly, the lower blade 5a is formed in the hole of the knockout plate 22. The lower material presser 7a is outside or almost outside the groove 5b at the tip of the lower blade 5a.

  Furthermore, the lower surface of the upper mold bumper 21 and the upper surface of the lower mold bumper 32, and the upper end surface of the lower blade protrusion amount adjustment block 25 and the lower surface of the knockout plate 22 are not in contact with each other and there is a gap.

  Next, as shown in FIG. 4, the upper die is lowered while compressing the spring 36 against the urging force of the spring 36 by the drive mechanism, so that the lower surface of the stripper plate 11 and the lower surface of the upper material presser 6 a are laminated substrate 1. It abuts on the upper surface.

  When the upper mold is further lowered, the laminated base material 1 is also lowered as shown in FIG. 5, and the upper surface of the knockout plate 22 and the lower material presser 7 a comes into contact with the lower surface of the laminated base material 1.

  Then, by further lowering the upper die, the knockout plate 22 descends while compressing the spring 28 against the urging force of the spring 28 as shown in FIG. While coming into contact with the lower surface, the lower material presser 7a descends and its lower part enters the groove 5b.

  By further lowering the upper die, as shown in FIG. 7, the lower end of the lower material presser 7a comes into contact with the bottom of the groove 5b and is compressed and flexibly supports the laminated substrate 1, and the tip of the lower blade 5a Bites into the lower surface of the laminated base material 1 (cutting operation step), but the upper end surface of the lower blade protrusion amount adjustment block 25 abuts on the lower surface of the knockout plate 22 and prevents further knockout of the knockout plate 22. become.

  That is, the amount of protrusion of the lower blade 5a (the depth of biting of the cutting operation) is set to an optimum set value for the laminated base material 1, and as described above, the spring 16> the biasing force of the spring 28 There is no need for the knockout plate 22 to perform an unnecessary function and cause deflection.

  When the upper die is further lowered, the upper die is lowered against the urging force of the spring 16, that is, while the spring 16 is deflected, as shown in FIG. Abuts against the top surface of At this time, as described above, the position of the lower blade 5a is maintained, and the upper tip of the lower blade 5a does not bite into the laminated substrate 1 any more.

  When the upper die is further lowered, as shown in FIG. 9, the upper die is lowered while the spring 16 is bent, and the lower tip of the upper blade 3a bites into the upper surface of the laminated base material 1 (cutting operation operation step). ) Stops at the bottom dead center where the lower surface of the upper bumper 21 and the upper surface of the lower bumper 32 are in contact.

  That is, the amount of protrusion of the upper blade 3a (the depth of biting of the cutting operation) is set to an optimum setting value for the laminated base material 1, and the upper blade 3a is not in contact with the upper tip of the lower blade 5a. As shown in b), the gap is set to 0.04 to 0.09 mm, for example, so that various processing operations in the subsequent process are optimum.

  Subsequently, the upper mold is returned to the original position by the drive mechanism, and then the laminated base material 1 is transferred to the next process position to complete one process of the cutting operation.

  In this embodiment, an example in which the upper mold is movable has been described. However, the lower mold may be movable, and cutting may be performed by moving both of the upper mold.

  As mentioned above, the cutting method of the laminated base material of the present invention and its cutting die are various laminations of the upper blade 3a and the lower blade 5a according to the adjustment setting of the lower blade protrusion amount adjustment block 25 and the upper die bumper 21 and the lower die bumper 32. It can be freely set to the optimum amount of biting into the substrate 1 (including the gap between the upper blade 3a and the lower blade 5a), and is a single-layer, two-layer or more multilayer product, film, foil, non-metal material It can be optimally adjusted according to the characteristics of various laminated substrates such as resin materials coated with various detection materials and composite materials thereof.

  The method for cutting a laminated substrate and its cutting die according to the present invention can reduce stress on the laminated substrate that is a material to be cut, prevent cutting burrs and deformation of the laminated substrate, and perform high-precision cutting. It is possible to perform an optimal cutting process on various laminated substrates, and is useful as an application for various thin plate materials and cutting processes on the laminated substrates.

Schematic diagram of relevant parts for explaining the cutting process in the embodiment of the present invention. (A) Cross-sectional enlarged view of the main part of the cutting blade, (b) Similarly cut-out enlarged view Outline operation process diagram in the cutting process Outline operation process diagram in the cutting process Outline operation process diagram in the cutting process Outline operation process diagram in the cutting process Outline operation process diagram in the cutting process Outline operation process diagram in the cutting process Outline operation process diagram in the cutting process Cross-sectional schematic diagram of relevant parts for explaining an outline of conventional cutting processing of a laminated base material

Explanation of symbols

1 Laminated substrate (material to be cut)
2, 2a Upper blade type 3, 3a Upper blade 3b, 5b Groove 4, 4a Lower blade type 5, 5a Lower blade 6, 6a Upper material retainer 7, 7a Lower material retainer 8, 9 Slit 11 Stripper plate 12 Punch plate 13 Upper Backing plate 14, 27 Sleeve 15, 37 Bolt 16, 28, 36 Spring 17, 29 Screw plug 18 Punch holder 19 Stripper guide post 20 Stripper guide bush 21 Upper bumper 22 Knockout plate 23 Die plate 24 Lower backing plate 25 Lower blade protrusion Quantity adjustment block 26 Die holder 30 Knockout guide post 31 Knockout guide bush 32 Lower bumper 33 Guide post 34 Ball retainer 35 Bush 38 Laminated substrate chuck 41 Upper blade type 43 Upper blade 6 material presser 47 underlay

Claims (9)

The laminated base material is transferred and placed on a mold composed of an upper blade mold having a top blade having a V-shaped tip and a lower blade mold having a lower blade of the same shape structure facing the upper blade mold. A method for cutting a laminated base material, in which cutting is performed with an upper blade and a lower blade by moving the blade mold or the upper blade mold and the lower blade mold. The method for cutting a laminated base material according to claim 1, wherein the laminated base material is placed and flexibly held by an upper material presser and a lower material presser made of an elastic body. The method for cutting a laminated base material according to claim 1 or 2, wherein a cutting process is performed by providing a predetermined gap between the upper blade and the lower blade during the cutting operation. The method for cutting a laminated base material according to any one of claims 1 to 3, wherein an upper blade or a lower blade, or an upper blade and a lower blade having a V-shaped angle of 25 to 30 degrees are used. An upper blade type having a V-shaped upper blade at the tip end, a stripper plate for inserting and holding the upper blade type tip and pressing and holding the laminated base material, and an upper material made of an elastic body for holding the laminated base material flexibly A top plate that can be moved up and down, comprising a presser plate, a punch plate that allows the tip of the upper blade mold to be inserted closely, an upper backing plate that secures one surface of the punch plate and one end surface of the upper blade mold, and a punch holder that secures one surface of the upper backing plate A mold, a lower blade mold having a V-shaped lower blade at the distal end crossing the upper blade, a knockout plate for inserting the lower blade mold tip and mounting and holding the laminated substrate, and a laminated substrate Lower material presser made of an elastic material for flexible holding and placement, a die plate for closely inserting the tip of the lower blade mold, a lower backing plate for fixing one surface of the die plate and one end surface of the lower blade mold, Die holder and the upper die movement restriction guide to one end a cutting die comprising constitute laminated substrate with the lower mold made by the guide posts is fixed to the die holder to secure the one surface of the backing plate. 6. The laminated base material cutting die according to claim 5, wherein the V-shaped angle is an upper blade or lower blade of 25 to 30 degrees, or an upper blade and a lower blade. The laminated base material cutting die according to claim 5 or 6, wherein the upper material presser and the lower material presser are disposed at positions where the tips of the upper and lower blade molds of the stripper plate and knockout plate are inserted. A lower blade protrusion adjustment block is arranged in the die plate, and the lower blade protrusion adjustment amount is adjusted and set by contacting the upper tip surface of the lower blade protrusion adjustment block with the lower surface of the knockout plate. The cutting die for a laminated base material according to any one of claims 5 to 7, which is made possible. The upper and lower bumpers are placed on the lower surface of the punch holder and the upper surface of the die holder, and the amount of protrusion of the upper blade on the laminated substrate is adjusted by contacting the tip surfaces of the upper and lower bumpers. The cutting die for a laminated base material according to any one of claims 5 to 8, which can be set.

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