JP3244475B2 - Ruled line formation method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a method for forming a ruled line.

[0002]

2. Description of the Related Art When manufacturing various boxes and the like using a resin sheet or paper material as a material, a bent line is formed on a sheet material as a material in advance at a portion to be bent. Conventionally, for example, it is formed by placing a sheet material on an elastic member such as a felt material and pressing a pressing tool on the sheet material.

[0003]

However, in such a method, since the felt material laid under the sheet material is easily deformed, the forming operation of the ruled line is not stabilized, and the precise dimension and the size of the ruled line are not stable.
It was not easy to form a ruled line.

In particular, when the sheet material is relatively thick and rigid, a ruled line having a deep groove must be formed, so that the felt material laid under the line is greatly deformed, and a precise ruled line is formed. It was difficult to form.

Further, when the sheet material is thin, it is not easy to properly maintain the balance between the pressing force of the pressing tool acting on the sheet material and the reaction force received by the sheet material from the felt material. Was difficult to form.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method for forming a ruled line that can form a precise polygonal ruled line easily and reliably on a sheet material.

[0007]

In order to achieve the above-mentioned object, a method for forming a ruled line according to the present invention comprises attaching a cutter knife for forming a cut to a head of an automatic drafting machine main body equipped with an electronic controller. At the same time, on the top surface of the top plate having a through hole for evacuation,
A continuous porous polymer material is placed, and the felt material or multi-porous high
A receiving board is placed on the molecular material , and a cut groove having a predetermined shape is formed on the receiving board with the cutter knife in accordance with a program previously input to the controller.
In the gathering part, while forming a discontinuity that is partially discontinuous, and after forming a cutout window in an unnecessary portion other than the kerf, the sample preparation work sheet is sucked on the receiving board, A ruled line having a predetermined depth along the cut groove is formed on the sheet to be processed by a pressing tool attached to the head portion.

[0008] Also, by mosquitoes Ttanaifu, formed on pedestal paper, placed parallel cuts of a predetermined width, by removing a strip portion between the cuts width, the kerf having a groove width corresponding to the notch width You may make it.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail with reference to the drawings showing embodiments.

FIG. 1 shows an example of a sample cutter for carrying out the ruled line forming method of the present invention. The sample cutter 1 includes an automatic drafting machine main body 2 and an electronic controller 3.
The head 4 for attaching a pen or the like of the automatic drafting machine main body 2 has a cutter knife-like cutting tool 5 for forming a notch and a pressing tool 6 for forming a ruled line (see FIG. 8). ) Are mounted in parallel (simultaneous mounting). In addition,
Instead, a milling tool set (not shown) for processing a face plate may be attached to the head unit 4.

[0011] Immediately below the head portion 4, the top plate 8 is provided with a large number of through-holes 7 for evacuation (see FIG. 8), on top of its top plate 8, that have a breathability off Eruto material 9
Is laid.

More specifically, the automatic drafting machine main body 2 is provided with a first moving unit which holds the head unit 4 so as to be able to move up and down and rotate.
11, a second moving unit 12 that supports the first moving unit 11 so as to be movable in the left-right direction, and left and right support units 13, 13 that support the left and right ends of the second moving unit 12 to be movable in the front-rear direction. And the top plate 8 provided below the second moving portion 12 and between the support portions 13, 13, and a base 15 for supporting the top plate 8.

On the front surface of the base 15, a switch 16 for turning on / off the automatic drafting machine main body 2 is provided. As the moving means of the first and second moving units 11 and 12, for example, a belt pulley or a rack and pinion operated by a drive motor is used.

The electronic controller 3 laid on the main body 2 of the automatic drafting machine has a monitor 18 and a keyboard 19,
And a support portion 22 composed of a support portion 21. In addition, a fixed support portion protruding from the front of the automatic drafting machine main body 2.
A swing arm 25 is pivotally connected to the swing arm 24.
The support 21 of the support pedestal 22 is vertically held rotatably at the end of the support base 22.

The electronic controller 3 has a built-in microcomputer having a memory function, and controls the head unit 4 to which the cutter knife 5 or the pressing tool 6 is attached in accordance with a preset (input) and stored program. The control is driven by the locus.

That is, the electronic controller 3 moves the first and second moving portions 11 and 12 of the automatic drafting machine main body 2 to the left and right and back and forth, and rotates the head portion 4 to a desired angle so that the cutter knife 5 ( Alternatively, the pressing tool 6) can be moved back and forth, left and right, diagonally, and up and down.

As shown in FIGS. 5 and 6, on the upper surface of the air-permeable felt material 9 laid on the top plate 8,
The receiving board 26 is placed, and is fixed in a suction state by evacuation from the through hole 7.

[0018] Note that the elastic member 9, instead of the felt material having air permeability may be used multiple-porosifying polymeric material such as sponge or foamed resin material. Further, it is preferable to form a large number of through holes 7 formed in the top plate 8 by narrowing the pitch as much as possible (see FIG. 2).

A method for forming a ruled line using the sample cutter machine 1 configured as described above will be described.
First, the cutting tool 5 attached to the head unit 4 is driven according to a preset (input) / stored program, and a cut groove 32 having a predetermined shape is formed in the receiving board 26. This is a ruled line groove for forming a ruled line.

The cutting groove 32 is formed by the cutting tool 5.
As shown in FIGS. 4 to 7, two parallel cuts 33 having a predetermined width penetrating the receiving board 26 are formed, and the cut width W is formed.
It can be formed by peeling and removing the belt-like portion 36 formed therebetween. That is, a cut groove 32 having a groove width corresponding to the cut width W is formed on the receiving board 26 (see FIG. 3).

The two parallel cuts 33, 33 described above are provided.
Although not shown, a cut groove may be formed by a milling tool. Alternatively, the kerf may be formed by another milling tool as described above.

Next, a cutout window 38 is formed in an unnecessary portion other than the cut groove 32 by the cutter knife 5 (FIG. 2).
reference). The cutout window 38 is formed so as to cut out and penetrate the receiving board 26. Note that FIG. 2 is full Eruto material 9
And not shown, draw in a state carrying the cradle paper 26 on the top plate 8
It is a diagram of a case that had.

Thereafter, a sample-forming work sheet (hereinafter, referred to as a work sheet) 39 made of a paper material, a resin sheet, or the like is placed on the receiving board 26, and the work sheet is sucked through the cutout window 38. After adsorbing and fixing 39,
By driving the pressing tool 6 attached to the head portion 4 along a locus passing through the central portion (the center of the groove width W) of the cutting groove 32, the work sheet 39 is moved while being pressed, and A ruled line 41 having a predetermined depth along the groove 32 is formed. Rule 41
Is formed, the portion to be cut of the work sheet 39 is cut by the cutter knife 5.

The pressing tool 6 is, as shown in FIGS.
The tip part 61 is a spatula-shaped or boat-shaped one formed in a smooth obtuse angle or a circular arc shape or the like that can form a broken line without making a scratch on the work sheet 39, or one having a roller or the like. May be used.

The sheet 39 to be processed is partially pushed into the cut groove 32 by the front end 61 of the pressing tool 6, so that the front end 61 and both shoulders 321, 321 of the cut groove 32 are formed.
Are forcibly bent in a state of being pinched by this, and a creased line 41 is formed (see FIG. 9).

In the present invention, in particular, since the receiving board 26 and the work sheet 39 are fixed on the same coordinate axis, the locus of the ruled line 41 applied to the work sheet 39 by the pressing tool 6 has already been input to the electronic controller 3. It can be obtained as it is from the design program of the work sheet 39 that has been set.

The trajectories of the cuts 33, 33 formed on the work sheet 39 by the cutter knife 5 can be easily obtained as trajectories displaced by half the width W of the cut groove 32 on both sides of the trajectory of the ruled line 41. This makes it easy to form a program for creating ruled lines, and the control contents are also simplified.

In the present invention, in order to more reliably press (form) the ruled line 41, a thick paper having the same thickness and the same thickness as the sheet 39 to be processed is used as the receiving board 26 so that the pressing tool 6 The shoulders 321 and 321 (see FIG. 9) of the kerf 32, which are locally subjected to a large pressing force via the work sheet 39, can be prevented from being excessively deformed. By stabilizing the bending operation, a precise polygonal ruled line 41 can be reliably obtained.

A cut groove in the receiving board 26 for forming such a ruled line 41 in a paper case for storing a tea bag.
The arrangement of 32 is shown, for example, in FIG. This receiving board 26 is different from the receiving board 26 in FIG.
The two-dot chain line indicated by is a contour cutting line of the sheet to be processed (paper case).

Also, a cutout window 38 opened in the receiving board 26.
May be formed in a circular, rectangular, or other appropriate shape, and is desirably formed as much as possible so that the work sheet 39 can be sufficiently absorbed.

A cut groove formed in the receiving board 26 shown in FIG.
32, for example, as shown partially enlarged in FIG. 11, a stop (discontinuous portion) 44 that is partially discontinuous is formed in the aggregate portion.

The stopper 44 prevents the receiving board 26 from being partially cut off .

The material constituting the receiving mount 26, as described above, may be used cardboard same thickness homogenous and workpiece sheet 39, as appropriate depending on paper quality and thickness, etc. of the work sheet 39 It only has to be selected.

The present invention is not limited to the configuration of the receiving board 26 in the embodiment, and the receiving board 26 may have a laminated structure in which a plurality of sheets are adhered with an adhesive. , In which case the strip to be peeled off and removed
It is preferable that the thick paper 36 (see FIG. 7) is adhered with such an adhesive strength that it can be peeled off from other thick paper. Also,
Thin paper for protection may be adhered on the thick paper constituting the receiving board 26.

[0035]

Since the present invention is configured as described above, the following effects can be obtained.

According to the first aspect, a cut groove 32 having a predetermined shape is formed in the receiving board 26 which is attracted to the top plate 8 of the automatic drafting machine main body 2, and an unnecessary portion where the cut groove 32 is not formed is formed. Since the cutout window 38 is formed, the sheet 39 to be processed can be sucked onto the receiving sheet 26, and the receiving sheet 26 and the sheet 39 to be processed are the same without separately using fixing means such as an adhesive. It can be fixed stably on the coordinate axes.

Further, since the receiving sheet 26 and the work sheet 39 are fixed on the same coordinate axis of the top plate 8, the receiving sheet
It is not necessary to move 26, and the efficiency of the work for creating the ruled line is improved, and the contents of the design program of the work sheet 39 stored in the electronic controller are used as it is to create the ruled line. In addition, a program for controlling and driving the cutter knife 5 and the pressing tool 6 can be easily created, and the control content can be simplified.

Further, the receiving board 26 and the work sheet 39 are stably fixed on the same coordinate axis on the top plate 8, and the work sheet 39 is pressed into the cut groove 32 of the receiving board 26 by the pressing tool 6. In this manner, the ruled line 41 is formed, so that the work sheet 39 is reliably bent by the pressing tool 6 and the shoulders 321 and 321 of the cut groove 32, and a precise broken line is formed along the cut groove 32. The ruled line 41 can be formed reliably.

Then, on the top plate 8, a breathable felt
And No設bets member 9 or Taren'anashitsu polymeric material, since the adsorbing cradle sheet 26 thereon, the cradle paper 26, the true from the through hole 7
The suction state can be fixed by emptying. Ma
In addition, a stop that becomes partially discontinuous at the gathering portion of the kerf 32
44, so that the backing sheet 26 is partially cut off.
It can be prevented from spreading.

According to the second aspect of the present invention, by forming parallel cuts 33 having a predetermined width in the receiving board 26, the cut grooves 32 having a groove width corresponding to the cut width W are formed. According to the thickness and material of the processing sheet 39, the kerf 32
Can be appropriately adjusted, and the setting of conditions for forming ruled lines can be easily performed.

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a sample cutter machine of the present invention.

FIG. 2 is a perspective view of a processed receiving board.

FIG. 3 is an enlarged view of a portion A in FIG. 2;

FIG. 4 is an explanatory perspective view showing a state in which a cut is formed in a receiving sheet.

FIG. 5 is a cross-sectional view as seen from a direction orthogonal to the cutting direction of the receiving board.

FIG. 6 is a cross-sectional view as viewed from a cutting direction of the receiving board.

FIG. 7 is an explanatory diagram when a kerf is formed by removing a band-like portion.

FIG. 8 is a sectional view of a main part when forming a ruled line.

FIG. 9 is an enlarged sectional view of a main part when forming a ruled line.

FIG. 10 is an explanatory diagram of a ruled line arrangement on a receiving board.

11 is an enlarged view of a portion B in FIG.

[Explanation of symbols]

2 Automatic drafting machine main body 3 Electronic controller 4 Head section 5 Cutter knife 6 Press tool 7 Through hole 8 Top plate 9 Felt material 26 Backing paper 32 Cut groove 33 Cut 36 Band part 39 Work sheet 41 Ruled line 44 Stop W groove width

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) B31B 1/25 301 B31B 1/16 B31B 1/14 B31D 5/00 B26D 5/00

Claims (2)

(57) [Claims] 1. A cutting knife for forming a cut is attached to a head of an automatic drafting machine main body equipped with an electronic controller, and an upper surface of a top plate having a through hole for evacuation is provided on a top surface.
Places air-permeable felt material or multi-porous polymer material
Then, a receiving board is placed on the felt material or the multiporous polymer material, and a cut groove having a predetermined shape is formed on the receiving board using the cutter knife in accordance with a program previously input to the controller. Are formed , and the gathered portion of the kerf is
In addition to forming a stop that is discontinuous in nature and forming a cutout window in an unnecessary portion other than the cut groove, the work sheet for preparing a sample is sucked on the backing paper, and the push attached to the head portion is pressed. A method for forming a ruled line, wherein a ruled line having a predetermined depth along the cut groove is formed on the work sheet with a tool. 2. On a receiving board by means of a cutter knife,
Make parallel cuts of a predetermined width, and the band between the cut widths
By removing the shape-like part,
2. The method for forming a ruled line according to claim 1, wherein a kerf having a groove width is formed.