JP5457425B2 - Sheet material processing tool, wooden mold and processing device - Google Patents

Description

  The present invention relates to a processing tool, a wooden mold, and a processing apparatus used for processing such as punching of sheet materials such as corrugated cardboard, paperboard, and plastic sheets, marking, and separation of punching waste.

  For example, as shown in FIG. 10, when a cardboard box is manufactured by punching cardboard in a die cutter that is a processing apparatus, a metal cutting tool 53 and a ruler 54 that are processing tools are attached to a wooden substrate 52. The cardboard S is placed on the cutting plate 56 of the anvil 55 facing the lower side of the wooden mold 51, the wooden mold 51 is lowered, the cardboard S is cut by the cutting blade 53, and the cardboard S is cut by the ruler 54. After that, a ruled line is processed, and then the wooden mold 51 is raised, and these operations are repeated (see Patent Document 1 below).

Japanese Patent No. 4758958 (paragraph [0054], FIG. 23)

  By the way, in the wooden mold 51, the cutting blade 53 and the ruler 54 are press-fitted into the groove 57 formed in the substrate 52. However, when the wooden mold 51 is moved up and down at high speed, the cutting tool 53 and the ruler are inserted from the substrate 52. There is a possibility that the tool 54 may fall off, resulting in a processing failure or failure of the die cutter.

  Accordingly, an object of the present invention is to prevent the processing tool from falling off the substrate in the wooden mold, and to prevent processing defects and processing apparatus failures.

  In order to solve the above-mentioned problems, the present invention is configured by inserting a base into a groove formed in a wooden substrate to constitute a wooden mold attached to the substrate, and with the movement of the wooden mold attached to the processing apparatus, the tip In the metal processing tool for processing the sheet material at the side action portion, the concave portion is formed on at least one side surface of the base portion, and the convex portion is formed along the edge of the concave portion.

  Further, in the processing tool, the shape of the concave portion viewed from the side surface of the base portion is a tapered shape in which the action portion side widens and the base end side narrows.

  Further, when manufacturing the wooden mold by attaching the processing tool to the wooden substrate, the width of the groove into which the base of the processing tool is inserted is slightly smaller than the thickness of the base of the processing tool, thereby adding When the tool is inserted into the groove, the wood fiber of the substrate enters the recess of the processing tool, and the wood fiber is caught by the protrusion.

  Further, the wooden mold is provided above the sheet material processing apparatus, and an anvil is provided below the wooden mold so as to face the action portion of the processing tool that faces downward.

  According to the present invention, when the processing tool of the sheet material is inserted into the groove of the substrate at the time of manufacturing the wooden mold, the wooden fiber of the substrate enters the concave portion of the base of the processing tool, and the wooden fiber is caught in the convex portion. In the punching of sheet material, etc., even if the wooden mold mounted on the processing apparatus operates at a high speed, the processing tool does not fall off the substrate, and it is possible to prevent processing defects and processing apparatus failures.

The (a) side view and (b) sectional view showing one embodiment of a ruled line tool which is a processing tool of sheet material concerning this invention (A)-(f) The figure which shows the other form of a recessed part and a convex part same as the above. (A)-(c) The expanded sectional view which shows the example which used various press tools in the formation process of a recessed part and a convex part same as the above. Sectional drawing which shows the process of inserting the processing tool same as the above into the groove | channel of a board | substrate Sectional drawing which shows the state which inserted the processing tool same as the above into the groove | channel of a board | substrate The perspective view which shows the wooden mold which attached the processing tool same as the above to the substrate Sectional drawing which shows the state which processes a sheet material with the platen die cutter which mounted the wooden mold same as the above Sectional drawing which shows the state which mounts the wooden type | mold provided with the processing tool which concerns on other embodiment to a rotary die cutter, and processes a sheet material. The perspective view which shows the state which attached the scrapper of the punching scraps removal apparatus to the wooden mold Sectional drawing which shows the state which attaches the wooden mold which attached the conventional processing tool to a platen die cutter, and processes a sheet material

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

  As an example of a sheet material processing tool, a ruler 1a shown in FIG. 1 is used to insert a ruled line into a cardboard, and is made of a metal strip plate such as steel. A portion above the one-dot chain line of the ruler 1a is a base 2 that is inserted into a groove 13 formed in a wooden substrate 12 when a wooden mold 11 to be described later is manufactured, and a lower end protruding from the substrate 12 is rounded. The action portion 3 forms a ruled line by pressing the corrugated cardboard S with a tanged tip. Note that the length of the base 2 is equal to or less than the thickness of the substrate 12.

  On one side surface of the ruler 1a, a large number of mountain-shaped concave portions 4 are formed in the base 2 portion in the vertical and horizontal directions, and convex portions 5 are formed along the edges of the concave portions 4. As described later, the recess 4 and the protrusion 5 prevent the ruler 1a from falling off the substrate 12.

In addition, the recessed part 4 is good also as the character shape of "he" with which the linear part of one side inclined as shown in Fig.2 (a), and the line of the both sides inclined as shown in FIG.2 (b). It is good also as the shape of "C" which the shape part separated. Further, as shown in FIG. 2 (c), may be a triangular, as shown in FIG. 2 (d), but it may also as trapezoidal.

  However, the shape of the concave portion 4 viewed from the side surface of the base portion 2 is such that, as in the example shown in FIG. 1 and FIGS. It is preferable that the base end side is tapered. The reason is that, as will be described later, the base 2 can be easily inserted into the groove 13 of the substrate 12 and is more difficult to be removed from the groove 13.

The concave portion 4 and the convex portion 5 can be formed by press molding with a press. At this time, as shown in FIG. 3 (a), by using the press tool P ₁ having an inclined surface at the tip portion sides, V groove-like recess 4 is formed in the ruffled Nyugu 1a, from the recess 4 on both sides The extruded metal rises to form the convex portion 5.

Further, as shown in FIG. 3 (b), by using the press tool P ₂ the tip is rounded, ruffled Nyugu 1a U groove-like recess 4 is formed in and extruded from the recess 4 on both sides The metal rises to form the convex portion 5.

Further, as shown in FIG. 3 (c), by using the press tool P ₃ having an inclined surface on the tip side, a groove-like recess 4 which became progressively deeper from one side to the ruffled Nyugu 1a to the other side form Then, the metal pushed out from the concave portion 4 rises on one side, and the convex portion 5 is formed.

  The press molding as described above is continuously performed by a press tool attached to the rotating body while the strip plate is unwound from the hoop around which the metal strip plate that is the material of the ruler 1a is wound. It can be carried out. Moreover, although a strip | belt-shaped board can be cut | disconnected beforehand to a predetermined dimension and it can also press-form by pinching | interposing between a pair of flat plates, in this case, productivity falls.

  Instead of the press work as described above, the concave portion 4 may be formed by turning, and the convex portion 5 may be formed as a return portion formed along with this.

  The ruler 1a is inserted into the groove 13 formed in the wooden substrate 12 from the base 2 side when the wooden mold 11 is manufactured as shown in FIGS. The substrate 12 may have a metal layer provided on at least one surface.

Here, the grooves 13 formed in a vertical shape to the surface of the substrate 12 by laser cutting, as shown in FIG. 4, only the width W ₂ of the opening than the width W ₁ of the intermediate portion in the depth direction the smaller, the width W _2, although slightly smaller than the thickness t of the base 2 of the ruling Nyugu 1a, the base end of the ruling Nyugu 1a is rounded, wooden board 12 is somewhat deformed Therefore, the base 2 can be press-fitted into the groove 13.

Incidentally, the smaller than the thickness t of the width W _2, ruffled Nyugu 1a is hardly exit from the groove 13, the width W ₂ is too small, it is difficult to press-fit the base 2 in the groove 13. Therefore, if the wood substrate 12 is relatively soft it is to 0.2mm approximately smaller than the thickness t of the width _{W 2,} when relatively hard, it is preferable to reduce the order of 0.1 mm. That is, what is necessary is just to determine suitably in the range of 0.1-0.2 mm according to the softness | flexibility of the board | substrate 12 woody.

  Further, by forming the groove 13 in the substrate 12 by means other than laser cutting, even when the groove 13 has the same width over the entire length in the depth direction, the width of the groove 13 is the same as that of the ruled tool 1a. The thickness may be equal to or less than the thickness t of the base 2 and may be appropriately determined in the range of 0.1 to 0.2 mm depending on the woody flexibility of the substrate 12.

  Thus, when the base 2 of the ruler 1a is press-fitted into the groove 13, the wood fibers 12a of the substrate 12 enter the recesses 4 of the ruler 1a, and the wood fibers 12a enter the protrusions 5, as shown in FIG. It will be in the state caught, and the wooden form 11 as shown in FIG. 6 is comprised.

  Then, as shown in FIG. 7, the wooden mold 11 is attached to the platen 14 of the die cutter, which is a processing apparatus, via the chase 15, and is in a state of facing the cutting plate 17 serving as the upper surface of the lower anvil 16.

  A cutting blade 1b is attached to the substrate 12 of the wooden mold 11 together with the ruler 1a. The cutting blade 1b is made of hard metal such as hardened special steel, and the concave portion 4 and the convex portion 5 are formed on the base portion 2 in the same manner as the ruled tool 1a. When the wooden mold 11 is mounted on the die cutter, the action part 3 of the ruler 1a and the cutting tool 1b is directed downward.

  In this state, when the cardboard S is placed on the cutting plate 17 and the wooden mold 11 is lowered along with the downward movement of the platen 14, the cardboard S is cut by the action portion 3 of the cutting blade 1b, and the ruled tool 1a is applied to the cardboard S by the action portion 3 to make a ruled line, and then the mold 11 rises with the upward movement of the platen 14, and these movements are about 60 to 120 times per minute. Repeated at speed.

  As described above, when the concave portion 4 and the convex portion 5 are formed in the base 2 of the ruler 1a and the cutting blade 1b, the wood fiber 12a of the substrate 12 enters the concave portion 4 when the wooden mold 11 is manufactured. The wood fiber 12a is hooked on the part 5, and the ruler 1a and the cutting tool 1b are firmly fixed to the substrate 12.

  For this reason, when processing the corrugated board S, the ruler 1a and the cutting tool 1b do not fall off the substrate 12 even when the wooden mold 11 mounted on the die cutter moves up and down at high speed, thereby preventing processing defects and die cutter failures. can do.

  In the above embodiment, the flat platen 14 and the platen die cutter in which the wooden mold 11 moves up and down are illustrated. However, the above configuration can also be applied to a rotary die cutter as shown in FIG. it can.

  This rotary die cutter includes a die roll 18 and an anvil roll 19 that face each other and rotate in opposite directions. A curved wooden mold 20 is attached to the outer periphery of the die roll 18, and a ruler 1 c attached to the wooden mold 20 is provided. The cutting blade 1d is used to cut the cardboard S while making a ruled line on the cardboard S fed between the die roll 18 and the anvil roll 19.

  In the ruler 1c and the cutting tool 1d attached to the wooden mold 20 as described above, if the concave portion 4 and the convex portion 5 are formed in the base portion 2 inserted into the groove 22 of the wooden substrate 21, the centrifugal force is applied. It is possible to prevent the ruler 1c and the cutting tool 1d from coming out of the substrate 21.

  Further, in the punching waste removal apparatus for pulling punching scraps from the corrugated cardboard S punched by the die cutter as described above, as shown in FIG. 9, the scraping tool 1e of a metal processing tool made of aluminum is used. When attaching the concave portion 4 and the convex portion 5 to the base 2 inserted into the groove 25 of the wooden substrate 24 when attaching to the wooden mold 23, the scrapping tool 1 e is attached to the substrate 24 as the wooden mold 23 moves up and down. It is possible to prevent the phenomenon of falling out of the screen.

  In the rulers 1a, 1c, the cutting tools 1b, 1d, and the scrapper 1e, not only one side surface of the base 2 but also the concave portion 4 and the convex portion 5 may be formed on the other side surface. In this case, the removal of these processing tools can be prevented more reliably.

  Further, as in the example shown in FIG. 1 and FIGS. 2A to 2D, the shape of the concave portion 4 viewed from the side surface of the base portion 2 is widened on the acting portion 3 side in the concave portions 4 a and 4 b facing each other. If the base 2 of the ruler 1a and the cutting blade 1b is press-fitted into the groove 13 of the substrate 12, the resistance of the wood fiber 12a to the convex part 5 is reduced, and these additions are made. The tool can be easily attached to the substrate 12, and the resistance of the wood fiber 12a to the convex portion 5 is increased when the sheet material is processed, so that the processing tool is more reliably prevented from falling off. These actions and effects can be similarly obtained in the case of a processing tool in a rotary die cutter and a punching waste removal apparatus.

DESCRIPTION OF SYMBOLS 1a Ruled tool 1b Cutting tool 1c Ruled tool 1d Cutting tool 1e Waste dropping tool 2 Base part 3 Action part 4, 4a, 4b Concave part 5 Convex part 11 Mold 12 Substrate 12a Wood fiber 13 Groove 14 Platen 15 Chase 16 Anvil 17 Cutting Plate 18 Die roll 19 Anvil roll 20 Wooden mold 21 Substrate 22 Groove 23 Wooden mold 24 Substrate 25 Groove S Cardboard

Claims (3)

Metal that forms a wooden mold by inserting the base into the groove formed in the wooden substrate, and then processes the sheet material with the action part on the tip side in accordance with the movement of the wooden mold attached to the processing device In the manufactured processing tool, the concave portion is formed on at least one side surface of the base portion, the convex portion is formed along the edge of the concave portion, and the shape of the concave portion viewed from the side surface of the base portion is widened on the action portion side. A sheet material processing tool characterized by having a tapered shape with a narrowed end side . A wooden mold in which the processing tool of the sheet material according to claim 1 is attached to a wooden substrate, wherein the width of the groove into which the base of the processing tool is inserted is slightly smaller than the thickness of the base of the processing tool. Thus, when the processing tool is inserted into the groove, the wood fiber of the substrate enters the concave portion of the processing tool, and the wooden fiber is caught in the convex portion. A processing apparatus for a sheet material mounted with a wooden pattern according to claim 2 , wherein the wooden pattern is provided above, and an anvil is provided below the wooden pattern so as to face the working portion of the processing tool that faces downward. An apparatus for processing a sheet material.

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