JPH06270099A - Sheet cutter - Google Patents

Abstract

PURPOSE:To efficiently cut cloth, a resin sheet, various sheets such as a paper or a sheet piece used for a mark or applique or the like. CONSTITUTION:A sheet cutter has a loading stand 1 on which cloth 6 is loaded, the first moving body 2 installed so as to be displaceable freely in the X axis direction to the loading stand 1 while extending in the Y axis direction above the loading stand 1 and two second moving bodies 3a and 3b installed so as to be displaceable freely in the Y axis direction to the first moving body 2, and a heat cutter 4 is installed respectively in the second moving bodies 3a and 3b. A mutual interval between the two second moving bodies 3a and 3b can be adjusted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for cutting sheet pieces used for marks, appliques, etc., from various sheets such as cloth, resin sheets and paper.

[0002]

2. Description of the Related Art Appliqué cloth pieces such as number numbers and team names to be sewn on uniforms are often made to order. Conventionally, in order to cut such appliqué cloth pieces from cloth, the cloth shown in FIG. The cutting device 50 is used. The cloth cutting device 50 includes a mounting table 51 on which a cloth 60 is mounted, and an arm-shaped first moving body 52 mounted on the mounting table 51 so as to be displaceable in the X-axis direction of the orthogonal coordinate system.
A second moving body 53 attached to the first moving body 52 so as to be displaceable in the Y-axis direction of the orthogonal coordinate system; and a second moving body 53.
And a heat cutter 54 attached to the.
Then, the heat cutter 54 is driven in the XY axis directions by the first moving body 52 and the second moving body 53, and the tip 55 of the heat cutter 54 comes into contact with the cloth 60 and heat-cuts it in a linear or curved shape. By doing, appliqué cloth piece 6
1 is cut.

[0003]

However, since only one heat cutter 54 is attached to the cloth cutting device 50, only one appliqué cloth piece 61 can be cut at a time, which is extremely difficult to cut. It was inefficient.

An object of the present invention is to solve the above problems and to provide a sheet cutting device capable of efficiently cutting a sheet piece from a sheet.

[0005]

In order to achieve the above object, a sheet cutting apparatus of the present invention comprises a mounting table on which a sheet is mounted, and at least two cutting tables provided above the mounting table to cut the sheet. The cutting means and the cutting means in the Cartesian coordinate system X
A driving means for driving in the −Y-axis direction is provided. In addition, which direction is the X axis and the Y axis is
It is a relative concept that changes depending on the installation direction and operation direction of the sheet cutting device.

The drive means is arranged above the mounting table in the Y direction.
A first moving body that extends in the axial direction and is attached to the mounting table so as to be displaceable in the X axis direction; and at least two second moving bodies that are attached to the first moving body so as to be displaceable in the Y axis direction. The cutting means may be attached to each of the second moving bodies.

The driving means extends at least above the mounting table in the Y-axis direction and is attached to the mounting table so as to be displaceable in the X-axis direction, and each of the first moving body. On the other hand, it is also possible to have a second moving body that is attached so as to be displaceable in the Y-axis direction, and the cutting means may be attached to each of the second moving bodies.

The cutting means can be appropriately selected according to the type of sheet to be cut, and examples thereof include a heat cutter, a cutting blade, a laser cutting device, and a liquid jet cutting device.

[0009]

According to the sheet cutting apparatus of the present invention, two or more sheet pieces can be simultaneously cut from the sheet placed on the placing table by the cutting means, and the cutting efficiency can be improved.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A sheet cutting apparatus according to a first embodiment of the present invention will be described below with reference to FIGS.

The sheet cutting apparatus 100 includes a mounting table 1 on which a sheet is mounted, and a sheet extending above the mounting table 1 in the Y-axis direction of the orthogonal coordinate system and in the X-axis direction of the orthogonal coordinate system with respect to the mounting table 1. Displaceable first moving body 2
And two second moving bodies 3a, 3b attached to the first moving body 2 so as to be displaceable in the Y-axis direction, and a second moving body 3a,
3b, and a heat cutter 4 as a cutting means for cutting the sheet.

A mounting plate 11 made of glass is set at the center of the upper surface of the mounting table 1, and a sheet is mounted on the upper surface for adhesion and fixing. At the lower right end of the upper surface of the mounting table 1, a chip cleaning member 12 for the heat cutter 4 described later is provided. Further, various operation switches 13 and a display 14 are provided on the left side of the upper surface of the mounting table 1. Slits 15 that allow displacement of the first moving body 2 in the X-axis direction are provided on the back side surface and the front side surface of the mounting table 1.

The first moving body 2 is formed in a rectangular tube shape, and the rear end 21 and the front end 22 thereof are bent in a gate shape toward the rear side surface and the front side surface of the mounting table 1, respectively. The left side surface of the first moving body 2 is provided with a slit 28 that allows the second moving bodies 3a and 3b to be displaced in the Y-axis direction.

At the lower end of the inner end portion 21, the slit 15 is provided.
A driven portion 23 that enters the mounting table 1 from the inside is provided. A rotary drive source 24 such as a pulse motor or a servomotor is provided in the inner right side of the mounting table 1, and a toothed pulley 25 attached to the drive shaft thereof has an endless toothed belt 26 extending in the X-axis direction. The folded end is stretched. The other folded back end of the toothed belt 26 is stretched around an idle pulley (not shown) provided in the inner left part of the mounting table 1. The driven portion 23 is attached to a part of the toothed belt 26, and the rotation of the rotary drive source 24 causes the first moving body 2 together with the driven portion 23 to be displaced in the X-axis direction.

A guided portion 27 is provided at the lower end of the front end portion 22 to enter the mounting table 1 through the slit 15. The guided portion 27 is guided by a guide mechanism (not shown) provided on the front side inside the mounting table 1, so that the posture of the first moving body 2 in the Y-axis direction is maintained during the displacement. It is like this.

The two second moving bodies 3a and 3b are formed in a small box shape, and a driven portion 31 which enters the inside of the first moving body 2 through the slit 28 is provided on the right side surface of each of the two second moving bodies 3a and 3b. A guide rod 32 extending in the Y-axis direction is horizontally installed inside the first moving body 2, and the guide rod 32 is inserted into a guided hole 33 penetrating the middle of each driven portion 31.

A rotary drive source 34 such as a pulse motor or a servomotor is provided inside the rear end portion 21, and a toothed pulley 35 attached to the drive shaft thereof has an endless tooth extending in the Y-axis direction. The folded back end of the attached belt 36 is stretched. The other folded back end of the toothed belt 36 is stretched around an idle pulley 37 provided in the front portion inside the first moving body 2. Then, the driven portion 31 of the one (back side) second moving body 3a is attached to a part of the toothed belt 36, and the rotation of the rotary drive source 34 causes the second moving body 3a together with the driven portion 31 to rotate. It is adapted to be displaced in the Y-axis direction.

On the upper surface of the driven portion 31 of the second moving body 3a (where it goes out from the first moving body 2), a strip-shaped space adjusting member 38 extending toward the front side is fixed. The distance adjusting member 38 extends to the upper surface of the driven portion 31 of the other (front side) second moving body 3b, and the screw 30 passes through the adjustment elongated hole 39 provided in the distance adjusting member 38 and extending in the Y-axis direction.
The second moving body 3b can be stopped by the space adjusting member 38 by tightening 1 on the upper surface of the driven portion 31. A scale 302 is provided on the upper surface of the interval adjusting member 38, and a mark 303 for aligning with the scale 302 is provided on the second moving body 3b. Then, the screw 301 is loosened, the second moving body 3b is slid, the mark 303 is aligned with an arbitrary scale 302, and then the screw 301 is retightened, so that the second moving body 3a and the second moving body 3b are mutually reciprocated. The distance can be adjusted.

The heat cutter 4 includes the second moving bodies 3a and 3b.
The clamp 41 is attached to the front side surface of each of the. The heat cutter 4 includes a holder 42 with a built-in heater,
A tip 43 replaceably attached to the holder 42;
The cord 44 connected to the upper surfaces of the second moving bodies 3a and 3b.

The sheet cutting device 1 configured as described above
The operation of 00 will be described. First, as shown in FIG. 1, a cloth 6 as an example of a sheet is adhered to a mounting plate 11 with an adhesive, an adhesive tape or the like. Then, the second moving body 3
The mutual distance between a and the second moving body 3b is adjusted to be slightly larger than the size of the appliqué cloth piece 7 cut from the cloth 6. Then, when the sheet cutting device 100 is operated, the two heat cutters 4 are simultaneously driven by the first moving body 2 and the second moving bodies 3a and 3b in the XY axis directions, and the respective chips 43 come into contact with the cloth 6. Then, two pieces of appliqué cloth 7
Can be cut at the same time, and the cutting efficiency can be improved more than ever before.

As shown in FIG. 2, when the size of the appliqué cloth piece 7 to be cut is small, the second moving body 3a.
It is advisable to adjust the mutual distance between the second moving body 3b and the second moving body 3b to be slightly more than twice the dimension. After the sheet cutting device 100 is operated to simultaneously cut the two appliqué cloth pieces 7 with a gap therebetween, another two appliqué cloth pieces 7 are provided next to the appliqué cloth piece 7 as shown by a chain line in FIG. The cloth piece 7 can be cut at the same time.

Next, the sheet cutting apparatus 200 of the second embodiment shown in FIG. 4 has two first moving bodies 2a,
2b is attached, two second moving bodies 3a, 3b and 3c, 3d are attached to each of the first moving bodies 2a, 2b, and the heat cutter 4 is attached to each of the second moving bodies 3a, 3b, 3c, 3d. It is different from the first embodiment in that it is attached. Then, the first moving body 2a and the first moving body 2b are configured such that their mutual spacing can be adjusted by a mechanism (not shown) similar to the spacing adjusting mechanism of the second moving bodies 3a, 3b.

According to this embodiment, the four appliqué cloth pieces 7 can be cut at the same time, so that the cutting efficiency can be further improved as compared with the first embodiment.

The present invention is not limited to the configuration of the above-described embodiment, but may be embodied by being modified without departing from the spirit of the invention, for example, as follows.

(1) The distance adjusting mechanism of the first moving body or the second moving body is appropriately changed. For example, rack and
A mechanism using a pinion, a motor, a cylinder or the like can be adopted.

(2) Providing two or more cutting means on one second moving body.

(3) The connecting body is passed between the two second moving bodies, and the connecting body is provided with two or more cutting means.

(4) The connecting body is passed between the two first moving bodies, and the connecting body is provided with two or more cutting means.

[0029]

Since the sheet cutting apparatus of the present invention is configured as described above, it has an excellent effect that the sheet piece can be efficiently cut from the sheet.

[Brief description of drawings]

FIG. 1 is a perspective view of a sheet cutting device according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing another usage of the sheet cutting device.

FIG. 3 is a partially cutaway plan view of the sheet cutting apparatus.

FIG. 4 is a perspective view of a sheet cutting device according to a second embodiment.

FIG. 5 is a perspective view of a conventional sheet cutting device.

[Explanation of symbols]

 1 mounting base 2,2a, 2b first moving body 3,3a, 3b, 3c, 3d second moving body 4 heat cutter as cutting means 5 cloth as sheet 6 cloth piece for applique as sheet piece

Claims (3)

[Claims] 1. A placing table on which a sheet is placed, at least two cutting means provided above the placing table to cut the sheet, and the cutting means are XY in an orthogonal coordinate system.
A sheet cutting device including a driving unit that drives in an axial direction. 2. The driving means extends above the mounting table in the Y-axis direction and is attached to the mounting table so as to be displaceable in the X-axis direction, and with respect to the first moving body. The sheet cutting apparatus according to claim 1, further comprising at least two second moving bodies that are attached so as to be displaceable in the Y-axis direction, and the cutting means is attached to each of the second moving bodies. 3. The drive means extends at least above the mounting table in the Y-axis direction and is attached to the mounting table so as to be displaceable in the X-axis direction, and the first movement. The sheet cutting device according to claim 1, further comprising a second moving body attached to each of the bodies so as to be displaceable in the Y-axis direction, and the cutting means is attached to each of the second moving bodies.