JPH07351B2 - Sheet embossing device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a sheet embossing device used for precisely forming a fold line on a sheet material such as cardboard paper.

[Prior art]

For example, when a box is formed of cardboard paper which is an example of a sheet material, a fold line 2 is formed in advance at a predetermined position in order to easily bend the cardboard paper 1, as shown in FIG.

The polygonal line 2 of the cardboard paper 1 is, for example, in the sheet embossing device C shown in FIGS. 5A, 5B and 6, the knife fitting groove of the holding plate 3 formed in a predetermined shape to be embossed. 4 is embossed by a thin-walled, band-shaped embossing knife fitted and fixed in No. 4. In this case, the cutting edge 5 _a of the texturing knife 5 is formed at an obtuse angle.

In the sheet embossing device C, the cardboard paper 1 placed on the upper surface of the iron plate 7 fixed to the press table 6 is also used.
In order to precisely form the fold line 2, a female paper sheet 9 having an embossing groove 8 having a predetermined shape is attached to a position corresponding to the embossing knife 5 on the upper surface of the iron plate 7. Therefore,
The cardboard 1 is partially pushed into the embossing groove 8 by the blade edge 5 _a of the embossing knife 5 driven downward, and both edge portions 8 _a , 8 _{a of the} blade edge 5 _a and the embossing groove 8 are pushed. By being sandwiched between and, the folding line 2 having a predetermined shape is clearly formed on the cardboard paper 1 (see FIG. 5 (b)).

The procedure for manufacturing the female paper 9 is as follows. The iron plate 7 to which the cardboard is attached with a strong adhesive is attached to the upper surface of the press table 6, and the holding plate 3
Is driven downward and the upper surface of the cardboard is pressed by the blade edge 5 _a of the embossing knife 5. Then, along the edge 5 _a trace formed on the upper surface of the cardboard by pressing of the stamping knife 5, the operator forms a cut parallel with a cutter knife, the strip of cardboard between the score lines The above iron plate 7
The embossing groove 8 is formed by peeling it off from the upper surface.

Then, when the female paper 9 is used, unnecessary portions other than the periphery of the embossing groove 8 are peeled off from the iron plate 7 in advance.

However, in the female paper 9 used in the conventional sheet embossing apparatus C configured as described above and in this manufacturing procedure, the cutting work for the thick paper using the cutter knife requires experience, advanced technology, and considerable skill. Working time is required. Further, the work of stripping the strip-shaped thick paper between the cut lines from the iron plate 7 after the above-mentioned cutting work also requires a considerable work time because the adhesive strength of the thick paper to the iron plate 7 is strong. By the way, although it depends on the shape of the embossing groove 8, the above work is usually 3,4
A long time of half a day to half a day is required.

Therefore, in recent years, three-layer structured paper has been developed for the purpose of easily producing female paper without using many years of experience and advanced technology.

When the female paper is manufactured using the three-layer structured paper, an embossing groove corresponding to a predetermined shape of the knife insertion groove 4 formed on the holding plate 3 in advance by using an automatic drafting machine on the three-layer structured paper. 8 is formed, and the three-layer structured paper is further attached to the upper surface of the iron plate 7 to produce female paper.

[Problems to be solved by the invention]

However, when the female paper is manufactured using the three-layer structured paper, the three-layer structured paper is attached to the upper surface of the iron plate 7 after the embossing groove 8 is formed as described above to manufacture the female paper. Because
Match the positions of the cutting edge 5 _a and the three-layer structure sheet of embossed grooves 8 which is attached to the upper surface of the iron plate 7 of the knife fitting groove 4 knives press fitted fixed mold 5 of the holding plate 3 with high precision Requires a considerable amount of time.

Therefore, the present invention has been devised in view of the above circumstances, and includes a female paper embossing groove 8 and an embossing knife 5 of the holding plate 3 which are manufactured from a three-layer structured paper which is attached to the iron plate 7 in advance. Blade edge
And 5 _a are aligned to easily and accurately it is an object to provide a sheet capable embossed apparatus to produce a female paper.

[Means for solving problems]

In order to achieve the above object, the main means adopted by the present invention is, as its gist, a thin-walled or band-shaped embossing fitted and fixed in a knife fitting groove of a holding plate formed in a predetermined shape to be embossed. When stamping and molding a polygonal line of a predetermined shape on the sheet material with the knife for cutting, place it on the upper surface of the press table at a position corresponding to the embossing knife to clearly form the polygonal line on the sheet material placed on the upper surface of the press table. In a sheet embossing apparatus including a female paper provided with an embossing groove of a predetermined shape, the tip end portion of which is projected into a mounting hole formed in the holding plate and is slidably mounted. Positioning having a tubular member and a rod that can be housed in the tubular member, with an annular receiving groove formed at the tip of the rod and an annular fitting groove formed at the upper end of the rod Guide pin and the rod The rod is attached to the surface in a state of being elastically expanded and holds the core female paper between the tip of the cylindrical member engaged with the positioning hole formed in the female paper, and the rod. Is pressed to be housed in the tubular member, is pushed by the tip of the tubular member and is housed in the housing groove, and the female paper is held between the tubular member and the tip of the tubular member. The first elastic ring to be released is attached to the fitting groove in a state where the diameter is elastically reduced, and when the rod is pressed to be housed in the tubular member, the radius of the fitting groove is set. A second elastic ring that expands in the direction and engages with the upper end of the tubular member to hold the rod accommodated in the tubular member; and the guide plate that is provided on the holding plate and presses the guide pin. When the tubular member of the guide pin is pushed into the mounting hole, the guide pin is buried. A sheet type push device according to the points obtained by and a holding mechanism for holding the state.

[Action]

In the sheet embossing apparatus according to the above configuration, the positioning guide pin provided in the holding plate is engaged with the positioning hole provided in the female paper to press the female paper in the state of being positioned with respect to the holding plate. It is deployed on the table top.

Here, the positioning hole of the female paper is held between the first elastic ring and the distal end of the tubular member at the tip of the rod forming the guide pin, and the female paper is arranged on the upper surface of the press table. When the rod is pushed, the rod is pressed to be housed in the tubular member, and accordingly, the first elastic ring is housed in the housing groove of the rod. As a result, the female paper is released from the guide pin.

Further, the tubular member is also pushed into the mounting hole of the holding plate, and the tubular member is held in the buried state by the action of the holding mechanism with respect to the holding plate. In addition, the second elastic ring of the rod also expands and engages with the upper end of the tubular member, so that the tubular member is held in the accommodated state.

That is, the guide pin composed of the rod and the tubular member is
After the female paper is positioned on the upper surface of the press table, the female paper is used and stored and held in the holding plate.

〔Example〕

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings to provide an understanding of the present invention.

The following examples are examples of embodying the present invention and are not of the nature to limit the technical scope of the present invention.

Here, FIGS. 1 (a) and 1 (b) show a sheet embossing apparatus which is a premise of the present invention. FIG. 1 (a) is a side sectional view of a main part, and FIG. 1 (b) is the same figure. FIG. 2A is a detailed view of an arrow B in FIG. 2A, and FIGS. 2A and 2B show a guide pin that can be used in the sheet embossing apparatus according to the embodiment of the present invention. (A) is a side sectional view in a state before the operation, (b) is a side sectional view in a state after the operation, and FIG. 3 is a sectional view for manufacturing a female paper used in the sheet embossing apparatus. Perspective view of layered paper, FIG. 4 (a), (c), (d)
Is an explanatory diagram showing the procedure for producing female paper from the above three-layer structured paper, and FIG.
It is a sectional view taken along the arrow E ′.

Further, elements common to those of the conventional sheet embossing apparatus C shown in FIGS. 5A and 5B will be described by using the same reference numerals.

First, as shown in FIGS. 1 (a) and 1 (b), a sheet die pressing apparatus D, which has elements common to the present invention and is a premise of the present invention, has a guide pin 15 for positioning on the holding plate 3. In addition to the above, the three-layer structure paper 10 shown in FIG. 3 is attached to the upper surface of the iron plate 7 to form a female paper 11 ', and a positioning hole 18 engageable with the guide pin 15 is provided. ing.

Hereinafter, the above three-layer structured paper 10 and the three-layer structured paper 10 to female paper
The configuration of the sheet embossing device D will be described in detail together with the procedure for manufacturing 11 '.

First, in the three-layer structured paper 10, as shown in FIG.
A first adhesive having a strong adhesive force for sticking the first thick paper 11 to the upper surface of the iron plate 7 attached to the press table 6 (see FIG. 4D) on the surface of the thick paper 11. Is further applied, and a release paper 12 for protecting the application surface of the first adhesive is further adhered. And this first cardboard
A second thick paper 13 is adhered to the back surface of 11 by a second adhesive that can be relatively easily peeled without adhering to the back surface of the first thick paper 11 at the time of peeling.

The three-layer structured paper 10 is constructed as described above.

Next, the structure of the sheet embossing device D will be described with reference to FIGS. 4 (a), (b), (c) and ( A detailed description will be given based on d).

First, in order to attach the knife fitting groove 4 formed in the holding plate 3 and the plurality of guide pins 15 for positioning, which are attached to the sheet embossing device D (see FIGS. 1 (a) and 4 (d)). A cutter knife 14 is attached to an arm of an automatic drafting machine (not shown) having position information of a plurality of predetermined mounting holes 16 of the three-layer structured paper 10 by the cutter knife 14.
The first thick paper 11 is penetrated from the side of the release paper 12 and the parallel cut lines 17 _a and 17 _b corresponding to the embossing groove 8 are engraved. A plurality of positioning holes 18 which can be engaged with the plurality of guide pins 15 in the three-layer structure paper 10 are continuously formed in the automatic drafting machine.

The automatic drafting machine has a microcomputer, a memory and the like, and corresponds to the embossing groove 8 of a predetermined shape and is formed on the holding plate 3 with a knife fitting groove 4 and a mounting hole.
It is used in the stage of creating 16 original drawings, and based on the positional information of the predetermined shape stored in the memory of this automatic drafting machine, the holding plate 3 is mounted on the holding plate 3 by the laser beam machine and the knife fitting groove 4 A hole 16 is formed therethrough.

Accordingly, the positioning hole 18 is inscribed by a cutter knife 14 which is attached to the arm of the automatic drafting machine and score lines 17 _a, 17 _b are consistent with a very high accuracy and the mounting hole 16 and the knife fitting groove 4.

Next, the positioning hole 18 and the score line as described above.
The positioning hole 18 is punched out from the first cardboard 11 of the three-layer structure paper 10 in which 17 _a , 17 _b are engraved, and the cut lines 17 _a , 1
The release paper 12 other than between 7 _b is removed to the state shown in FIG. 4 (c), and the plurality of guide pins mounted on the holding plate 3 are removed.
The leading end of 15 and the plurality of positioning holes 18 of the three-layer structured paper 10 are engaged with each other, and the second thick paper 13 is placed on the holding plate 3 side, and the three-layer structured paper 10 is temporarily mounted on the holding plate 3.

In this case, the work of removing the release paper 12 from the three-layer structured paper 10 may be performed after the three-layer structured paper 10 is temporarily attached to the holding plate 3.

Subsequently, the holding plate 3 is mounted on the sheet embossing device D, and is driven downward to drive the first thick paper of the three-layer structure paper 10.
The surface of 11 is attached to the upper surface of the iron plate 7, and only the holding plate 3 is driven to rise.

Then, when the second thick paper 13 is peeled from the first thick paper 11, the notched piece (not shown) separated from the first thick paper 11 between the cut lines 17 _a and 17 _b is the second thick paper 13. With the first
By separating from the thick paper 11, the embossing groove 8 having the predetermined shape is formed.

As a result, female paper 11 located between the cutting edge 5 _a and the embossing groove 8 matches the precision stamping knife 5 of the holding plate 3 'is formed (see FIG. 4 (d)).

When the female paper 11 'is used, unnecessary portions other than the periphery of the embossing groove 8 and the positioning hole 18 are previously stripped from the iron plate 7 as shown in FIG. 1 (a).

When the holding plate 3 is driven downward and the tip of the guide pin 15 is pushed to the outer peripheral edge of the positioning hole 18, the guide pin 15 moves along the inner peripheral surface of the mounting hole 16 of the holding plate 3. The guide pin 15 is held so as not to fall downward due to the frictional force between the inner peripheral surface of the mounting hole 16 and the outer peripheral surface of the guide pin 15. The inner peripheral surface of the mounting hole 16 and the outer peripheral surface of the guide pin 15 in contact with the mounting hole 16 constitute a holding mechanism that holds the buried state when the guide pin 15 is pressed into the mounting hole 16, and the friction Power does its job. In FIG. 4 (d), the diameter of the guide pin 15 is larger than that of the tip of the guide pin 15 when the mounting hole 16 is formed by a laser beam machine. This is because the inner diameter of the mounting hole 16 is machined to be larger than the width of the laser beam.

The female paper 11 'and the sheet embossing device D are constructed as described above.

Therefore, even when the three-layer structured paper 10 is adhered to the upper surface of the iron plate 7 after the embossing groove 8 is formed and the female paper 11 'is manufactured, the female paper 11' is fitted into the knife fitting groove 4 of the holding plate 3. the positions of the embossing groove 8 of the three-layer structure sheet 10 is adhered to the upper surface of the cutting edge 5 _a and the iron plate 7 of the knife 5 press fixed mold can be matched to the short time and high accuracy.

Further, in the sheet embossing device D (see FIGS. 1A and 1B) having the female paper 11 ′ manufactured as described above, when the embossing groove 8 of the female paper 11 ′ is formed, First cardboard 11
In this case, since the cutter knife 14 is penetrated from the surface on the opposite side on which the corrugated paper 1 is placed to cut lines 17 _a and 17 _b , both edge portions 8 _a ′ and 8 _{a of the} embossing groove 8 are formed. ′
(FIG. 1 (b) reference), the formed with much sharp state than a conventional female paper 9 (FIG. 5 (b) refer) both in the edge portion 8 _a, 8 _a. Therefore, when the folding line 2 having a predetermined shape is embossed and formed on the cardboard paper 1 by using the sheet embossing device D, the folding line 2 is formed in an extremely clear state.

Next, the guide pin 15 'applied to the sheet embossing apparatus according to the embodiment of the present invention will be described with reference to FIGS. 2 (a) and 2 (b). That is, the in the guide pins 15 ', tubular member 19 through hole 19 _c in the central portion is bored are fitted slidably in the mounting hole 16 of the holding plate 3, the through hole 19 _c A taper portion that widens downward is formed at approximately the center of the inner peripheral surface. The distal end portion outer peripheral surface of the tubular member 19, is fitted into the positioning holes 18 of the three-layer structure sheet 10 has a stepped portion 19 _a to be engaged with the positioning holes 18 are engraved, the through hole 19 _c the upper end portion, the size engaging groove 19 _b of the inner diameter is engraved. And this tubular member 1
9 is pushed up along the inner peripheral surface of the mounting hole 16 when pressed upward by the iron plate 7 through the outer peripheral edge portion of the positioning hole 18 of the three-layer structure paper 10, and the mounting hole 16 It is held so as not to fall due to the frictional force between the inner peripheral surface of and the outer peripheral surface of the tubular member 19. When the guide pin 15 ′ is pressed by the inner peripheral surface of the mounting hole 16 and the outer peripheral surface of the tubular member 19 constituting the guide pin 15 ′ that is in contact with the guide pin 15 ′, the buried state is maintained. A holding mechanism is configured, and the frictional force acts as described above.

The through-holes 19 _c of the tubular member 19, the rod 20 is inserted slidably in a substantially central portion of the outer peripheral surface of the rod 20, is formed on the inner peripheral surface of the through hole 19 _c A tapered portion that can be engaged with the tapered portion is formed. The distal end of the rod 20, an annular housing groove 20 _a and is engraved, the housing groove 20 _a is a three-layer structure sheet 10 is attached to the step portion 19 _a of the tubular member 19 For accommodating an O-ring 21 (first elastic ring) made of, for example, rubber, which is attached to the outer peripheral surface of the rod 20 in an elastically expanded state and is contractible in the radial direction in order to prevent falling. (See FIG. 2 (b)).

The upper end of the rod 20, and insertion groove 20 _b of the annular engraved, this fitting groove 20 _b, expandable ring spring 22 in the radial direction (the second resilient ring) is elastic It is inserted in a state in which the diameter is reduced.

With the guide pin 15 'configured as described above, first,
'Are fitted into these guide pins 15', respectively the guide pin 15 into a plurality of mounting holes 16 of the holding plate 3 so that the position of the stepped portion 19 _a of the cylindrical member 19 of equal, an upper portion of the mounting hole 16 A spacer is attached to (a portion indicated by an arrow 23 in FIG. 2 (a)).

Then, O-ring 21 is mounted is fitted into the positioning hole 18 of the step portion 19 _a is a three-layer structure sheet 10 on the outer circumferential surface of the rod 20,
The three-layer structured paper 10 is held by a plurality of guide pins 15 '(see FIG. 2 (a)).

Further, the holding plate 3 on which the above-mentioned three-layer structured paper 10 is mounted is attached to the sheet embossing device D (see FIG. 1 (a)), and this holding plate 3 is driven to move down to the first position of the three-layer structured paper 10. The surface of the thick paper 11 (see FIG. 4 (c)) is attached to the upper surface of the iron plate 7 of the press table 6 (see FIG. 4 (d)).

At this time, the rod 20 of the guide pin 15 'has the iron plate 7
And is pushed up along the inner peripheral surface of the through hole 19 _c to be housed inside the tubular member 19, and the O-ring 21 is also attached to the tubular member 19.
Pressed the tip slides down along the outer peripheral surface of the rod 20 is accommodated in the receiving groove 20 _a. Then, the ring spring 22 fitted in the fitting groove 20 _b of the rod 20 expands in the radial direction and engages with the engaging groove 19 _b of the tubular member 19, so that the rod 20
Is prevented from falling. After that, the tip of the tubular member 19 is pushed to the outer peripheral edge of the positioning hole 18, and the tubular member 19 is pushed up along the inner peripheral surface of the mounting hole 16 of the holding plate 3, and the mounting hole The inner peripheral surface of 16 and the outer peripheral surface of the tubular member 19 are held by the frictional force so as not to fall (FIG. 2 (b)).
reference). Therefore, the guide pin 15 'does not drop when the folding line 2 of the cardboard paper 1 is pressed.

On the other hand, if another 3-layer structured paper is used for the sheet embossing device D in order to use a female paper of another specification, the rod 20
Furthermore with the engagement between the engaging groove 19 _b of the ring spring 22 and the cylindrical member 19 is released by pushing up the even engagement of the fitting groove 20 _b of the rod 20 is released, the rod 20 cylinder It is possible to pull out downward from the member 19. Then, remove the O-ring 21 from the rod 20,
The three-layer structured paper may be attached to the guide pin 15 'by the same procedure as described above.

〔The invention's effect〕

The present invention, as described above, has a thin wall that is fitted and fixed in the knife fitting groove of the holding plate formed in a predetermined shape to be embossed,
When stamping and molding a polygonal line of a predetermined shape on a sheet material with a band-shaped embossing knife, the above-mentioned embossing knife on the press table upper surface should be formed so as to form the polygonal line on the sheet material placed on the press table upper surface. In a sheet embossing device provided with female paper having a predetermined shape embossing groove at a corresponding position, the tip end portion of the embossing hole formed in the holding plate can be projected and slidable. A cylindrical member to be mounted on the cylindrical member and a rod that can be housed in the cylindrical member, an annular housing groove is formed at the tip of the rod, and an annular fitting groove is formed at the upper end of the rod. The formed guide pin for positioning and the tip end portion of the tubular member which is mounted on the peripheral surface of the rod in an elastically expanded state and which is engaged with the positioning hole formed in the female paper Hold the female paper between and press the rod When being stored in the tubular member, the first paper is pushed by the distal end portion of the tubular member and is stored in the storage groove, and the holding of the female paper between the distal end portion of the tubular member is released. Of the elastic ring and the fitting groove in a state of being elastically contracted, and when the rod is pressed to be housed in the tubular member, the rod expands radially in the fitting groove. A second elastic ring that engages with the upper end of the tubular member and holds the rod in the tubular member in the accommodated state; and the guide plate is provided by pressing the guide pin. A sheet type pressing device comprising a holding mechanism for holding the embedded state of the tubular member of the pin when the tubular member is pushed into the mounting hole. Female paper embossing groove and holding plate mold manufactured from 3-layer structure paper It is possible to manufacture the female sheet to easily and aligned with high precision and the cutting edge of the knife was.

Further, in the above structure, since the female paper is held by the tips of the guide pins, the female paper does not drop from the guide pins when the female paper is aligned, and the alignment work can be performed smoothly. it can. In addition, after positioning the female paper on the upper surface of the press table, the first guide pin
The elastic ring is housed in the rod receiving groove, the rod is housed in the tubular member, and the tubular member is housed in the mounting hole of the holding plate and held as it is. The sheet material and the guide pin do not come into contact with each other and the sheet material is not damaged, and the value of the sheet material as a product is not impaired.

[Brief description of drawings]

FIGS. 1 (a) and 1 (b) show a sheet embossing device which is a premise of the present invention. FIG. 1 (a) is a side sectional view of a main part and FIG. 1 (b) is the same figure (a). ), A detailed view of an arrow B in FIG.
2 (a) and 2 (b) show a guide pin that can be used in the sheet embossing apparatus according to one embodiment of the present invention, and FIG. 2 (a) shows the side in a state before operation. Sectional view, FIG. 3B is a side sectional view in a state after operation, FIG. 3 is a perspective view of a three-layer structured paper for producing female paper used in the sheet embossing device, and FIG. (a), (c) and (d) are explanatory views showing the procedure for producing female paper from the above-mentioned three-layer structure paper, and (b) is a cross section taken along the line EE 'in (a). FIGS. 5 (a) and 5 (b) show a conventional sheet embossing device, and FIG. 5 (a) is a side sectional view of a main part,
FIG. 6B is a detailed view of an arrow A portion in FIG.
FIG. 7 is a perspective view showing a state before the embossing knife is attached to the holding plate constituting the above-mentioned conventional sheet embossing device, and FIG. 7 is a sheet having a fold line embossed by each sheet embossing device. It is a perspective view of a material. [Explanation of symbols] 1 ... Corrugated paper (sheet material) 2 ... Bend lines, 3 ... Holding plate 4 ... Knife insertion groove, 5 ... Embossing knife 6 ... Press stand, 7 ... Steel plate 8 ... … Embossing groove 10 …… 3-layer structured paper, 11 …… First thick paper 11 ′ …… Female paper, 12 …… Release paper 13 …… Second thick paper 14 …… Cutter knife 15 ′ …… Guide pin 16 …… Mounting holes 17 _a , 17 _b …… Slitting line 18 …… Positioning hole, 19 …… Cylindrical member, 19 _a …… Step, 19 _b
...... Engagement groove, 20 ...... Rod, 20 _a …… Accommodation groove, 20 _b …… Insertion groove, 21 …… O ring (first elastic ring), 22 …… Ring spring (second elastic ring) D: Sheet embossing device.

Claims (1)

[Claims] 1. A press for forming a bent line of a predetermined shape on a sheet material with a thin-walled, band-shaped embossing knife fitted and fixed in a knife fitting groove of a holding plate formed in a predetermined shape to be embossed. A female paper is provided having a predetermined shape embossing groove at a position corresponding to the embossing knife on the upper surface of the press table in order to precisely form a fold line on the sheet material placed on the table upper surface. In the sheet stamping device comprising: a tubular member having a distal end protruding into a mounting hole formed in the holding plate and slidably mounted therein; and a rod storable in the tubular member, An annular storage groove is formed at the tip of the rod and an annular fitting groove is formed at the upper end of the rod, and a positioning guide pin is elastically expanded on the peripheral surface of the rod. It was installed in the state and engraved on the female paper The female paper is held between the distal end portion of the cylindrical member engaged with the setting hole, and the rod member is pressed at the distal end portion of the cylindrical member when the female paper is accommodated in the cylindrical member. It is pushed and stored in the above storage groove,
A first elastic ring that releases the holding of the female paper between the distal end portion of the tubular member and an elastically contracted state in the fitting groove, and the rod is pressed. When the rod is housed in the tubular member, it expands in the radial direction with respect to the fitting groove, engages with the upper end of the tubular member, and holds the housed state of the rod in the tubular member. And a holding mechanism which is provided on the holding plate and holds the buried state when the guide pin is pressed and the tubular member of the guide pin is pushed into the mounting hole. A sheet embossing device characterized in that