JPH06226691A - Sheet material cutting device - Google Patents

Abstract

PURPOSE:To attain high work performance in a cutting device for cutting sheet material such as dish cloth into desired patterns by providing a space assigning means, a cutting mode setting means, and the like, and allowing plural marks' part to be cut automatically and continuously after the cutting of one mark's part. CONSTITUTION:Roll like sheet material conveyed by a conveyor means 32 is placed on a cutting table being spread flat in the state of plural sheets being laminated by a spreading machine, and a holding means 33 holds the sheet material by vacuum suction. A control means 30 reads cutting data stored in a storage means 35 and controls a cutting means 34 to cut the sheet material into desired patterns. The data of a cutting mode setting means 36 for setting the cutting mode at the time of cutting plural marks' part and the data of a space assigning means 37 for assigning a space between the marks are inputted into the control means 30. After cutting the sheet material every one mark's part, the control means 30 controls the conveyor means 32 to convey the sheet material in such a way that the sheet material spacing of each mark's part becomes the assigned spacing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sheet material cutting device for cutting a sheet material such as cloth into a desired pattern, particularly in a laminated state.

[0002]

2. Description of the Related Art Conventionally, in order to sew clothes and the like, it is necessary to cut parts to be sewn from a cloth material such as a cloth. FIG. 6 shows the appearance of a conventional automatic cutting machine 1. The surface of the automatic cutting machine 1 forms a cutting table 2 on which a sheet material is placed. The surface of the cutting table 2 is covered with a table brush 3 in which many bristles are planted. A vacuum generating mechanism is built in below the cutting table 2, and the sheet material placed on the cutting table 2 can be vacuum-sucked and held.
Further, the table brush 3 constitutes a part of a conveyor capable of conveying the sheet material in the longitudinal direction of the cutting table 2.

A cutting head 4 is provided on the transport table 2. The cutting head 4 is provided with a cutter for cutting the sheet material. Even if the cutter of the cutting table 2 penetrates the sheet material and reaches the table brush 3, the bristles escape so that the cutting can be continued without any trouble. The cutting head 4 can reciprocate in the Y direction on the Y beam 5. Y
The beam 5 can reciprocate in the X direction, which is perpendicular to the Y direction, along the longitudinal direction of the cutting table 2. An operation unit 6 is provided at one end of the Y beam 5. Cutting head 4
Is controlled according to the cutting data on the floppy disk inserted in the floppy disk device 7. The floppy disk device 7 is supplied with data of parts to be cut, which are created by a designing CAD device or the like.

The cloth as a sheet material is supplied from the cloth carry-in side through the air table 8. The air table 8
When the dough is supplied, air is blown to float the dough.
The table brush 3 constitutes a horizontal plane above the conveyor loop and conveys the supplied dough to the dough discharge side while vacuum suctioning.

When the cloth is spread on the table brush 3, the table brush 3 stands still, and the cutting head 4 moves to perform cutting. When the cutting is completed, the table brush 3 starts to convey again, and the cut parts are conveyed while being suspended by the air blown from the air table 9 on the material discharge side. A vinyl sheet supplied from the vinyl sheet roll 10 is covered on the upper surface of the laminated fabrics to ensure vacuum suction during cutting.
The cutting head 4 cuts the cloth covered with the vinyl sheet. Since air leaks along the cutting line when cut, the vinyl sheet 11 covers the cut parts in order to further ensure the holding of the cloth by vacuum suction. For safety, the emergency stop switch 12 is installed at the four corners of the automatic cutting machine 1.
Is provided.

[0006]

FIG. 7 shows a state of the cloth cut by the conventional automatic cutting machine 1 as shown in FIG. The fabrics spread by the spreading machine are stacked for a plurality of sheets and carried into the cutting table. The material to be cut by one set of cutting data is handled as one mark. The length of the unfolded fabric is called the rule. In FIG. 7 (1), the scale corresponds to one mark, and the allowance is 20
Shows the state provided before and after each mark 21, 22, 23. When the marks 21, 22, 23 are individually cut in this way, a margin 20 is required at the front and rear. If the allowance 20 is not provided, a problem occurs when cutting a portion of the cloth near the peripheral edge. However,
When the marks 21, 22, and 23 are individually cut in this way, the work of carrying in the dough, sucking, designating the origin, carrying out the dough, and the like must be repeated each time. The designation of the origin is performed for aligning the loaded fabric. Such repetitive work is required, for example, when cutting is repeated with the same cutting data.

In the repeat cutting in which the cutting is repeated with the same cutting data, as shown in FIG. 7B, a scale for the number of repeats is prepared, and the cutting data is checked every time the cutting is performed, By carrying out work such as loading and unloading, the allowances 20, 25, 26 can be reduced. However, it is the same as in FIG. 7A in that a work is required for each cutting of one mark, and the intervals of the allowance allowances 20, 25, 26 are changed by manual work.

FIG. 7 (3) shows a state in which cutting data for the number of repeats is created in advance by a CAD device or the like and cutting for the number of repeats is automatically performed. Margin 2
If you also give data for transporting 0, mark 2
It is not necessary to perform work for each of 1, 2, 23, and during that time, the worker can concentrate on the work of taking out the cut parts while waiting on the carry-out side, for example. However,
For example, even if the mark 28 or the margin 29 is generated due to the stretched rule, the cutting cannot be performed unless the cutting data is newly created.

An object of the present invention is to cut a plurality of marks,
An object of the present invention is to provide a sheet material cutting device that can be automatically and continuously performed.

[0010]

DISCLOSURE OF THE INVENTION The present invention is a sheet material provided with a conveying means for conveying a sheet material on a cutting table, a holding means for holding the conveyed sheet material on the cutting table, and a cutting means. In the cutting device, the cutting means stores the cutting data, the interval specifying means specifies the interval for one mark of the sheet material to be cut by a set of cutting data, and the cutting data stored in the storing means is cut. According to the cutting mode setting means for setting the mode to be set for a plurality of marks and the cutting mode set in the cutting mode setting means, the conveying means, the holding means, and the cutting means are controlled to cut the sheet material by one mark and then conveyed. Control means for controlling the means so as to convey the sheet material such that the distance between the sheet materials for each mark becomes the distance designated by the distance designating means. It is a cutting device of the sheet material.

In the cutting mode setting means of the present invention,
The feature is that cutting with the same cutting data should be repeated for a plurality of marks and the number of times can be set.

The cutting mode setting means of the present invention includes:
It is characterized in that cutting with different cutting data is performed for a plurality of marks and the cutting order can be set.

[0013]

According to the present invention, the sheet material for one mark is cut according to the set cutting mode, and the next mark is automatically cut at the designated interval. Since the cutting for a plurality of marks is automatically performed continuously, the work such as the alignment may be performed only once at the beginning. Therefore, the worker can concentrate on the work of taking out the cut parts on the unloading side during cutting.

Further, according to the present invention, it is possible to set, as the cutting mode, to repeatedly cut a plurality of marks with the same cutting data. With this, by preparing the same cutting data, it is possible to perform cutting without waste corresponding to the measuring scales of the fabrics of various lengths.

Further, according to the present invention, it is possible to set the cutting order for different cutting data as the cutting mode. Thereby, different cutting data can be continuously automatically cut.

[0016]

DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows a schematic structure of an embodiment of the present invention. The control means 30 is provided, for example, in the operation unit 6 shown in FIG. 6, and is realized by including a microcomputer and the like. Cutting data is input to the control means 32 from various keys on the surface of the operation unit 6 shown in FIG. 6 and the data input means 31 such as the floppy disk device 7 shown in FIG. The control means 30 controls the conveying means 32 such as a conveyor provided in the automatic cutting machine 1 shown in FIG. 6, the holding means 33 by vacuum suction, and the cutting means 34 including a cutter. Cutting data and the like for performing control by the control unit 30 are stored in the storage unit 35. The cutting mode when cutting a plurality of marks is the cutting mode setting means 36.
Is set to. The intervals between the marks when cutting a plurality of marks are specified by the interval specifying means 37. The cutting mode setting means 36 and the interval designating means 37 are, for example, operation switches on the front panel of the operation unit 6 in FIG.
It is realized by a CAD device or the like that creates data of a floppy disk to be inserted in the floppy disk device 7.

FIG. 2 shows the operation of the device shown in FIG. The operation is started from step a1, and the cutting data to be cut is input from the data input means 31 and stored in the storage means 35 in step a2. In step a3, the spacing between the marks is designated by the spacing designating means 37. Step a4
Then, in the cutting mode setting means 36, the number of repeats for repeating cutting with the same cutting data is set.

In step a5, the roll-shaped sheet material is flatly spread by the spreading machine. In general, a plurality of sheets are laminated and spread. The length of one sheet to be spread is called a standard rule. The longer this length is, the more efficiently the spreading machine can be used. Therefore, it is preferable to use a long rule as long as the site allows. In step a6, the stretched sheet material is carried onto the cutting table. Step a
In 7, the reciprocating alignment is performed on the retreated sheet material. For the repositioning alignment, for example, the cutting head is moved to a position that is the origin, and the sheet material surface is irradiated with a laser beam from a laser device incorporated in the cutting head,
The operator determines whether the position irradiated with the laser beam is appropriate as the origin. It is also possible to perform alignment at a plurality of points and obtain data for adjusting the inclination of the sheet material.

In step a8, cutting for one mark is performed. At step a9, it is determined whether or not cutting has been performed for the preset number of repeats. When it is determined that cutting for the number of repeats has not been performed, the process proceeds to step a10, and the sheet material is conveyed to perform cutting for the next mark. At this time, between the sheet material for the next mark and the sheet material for the already cut mark, step a
The intervals specified in 3 are made. After the sheet material is conveyed, the process returns to step a8. When it is determined in step a9 that the cutting for the number of repeats has ended, the cutting ends in step a11.

FIG. 3 shows the cutting result according to the embodiment shown in FIG. Repeated three times for the standard for one time, with the margin margin 40 as an interval for each mark 41, 42, 43.
Is continuously cut. By changing the number of repeats, it is possible to easily deal with different scale lengths.

FIG. 4 shows a cutting result according to another embodiment of the present invention. This embodiment is similar to the embodiment shown in FIG. It should be noted that the number of repeats in FIG. 3 is different from that in FIG. 3 and the marks 51, 52, 53, 54 of the first, second, third and fourth marks are based on different cutting data. Is to be cut. Even when the cutting data such as the parts and the length of the mark are different for each mark in this way, the cutting data is stored in the storage means 35 shown in FIG. By setting, it is possible to easily perform continuous automatic cutting.

FIG. 5 shows still another embodiment of the present invention. It should be noted in this embodiment that the automatic cutting machine 60 is online connected to the CAD device 62 via the online transmission line 61. Control means 3 shown in FIG.
0, the data input unit 31, the storage unit 35, the cutting mode setting unit 36, and the interval designating unit 37 are provided on the CAD device 62 side. Also in this embodiment, the same operation as in the above-mentioned embodiments can be performed. Further, in the automatic cutting machine, it is needless to say that the sheet material can be cut not only by a mechanical cutter but also by a laser beam or the like. Needless to say, the sheet material may be held not only by vacuum suction but also by electrostatic suction or the like.

[0023]

As described above, according to the present invention, a plurality of marks can be continuously and automatically cut according to the set cutting mode. Therefore, if, for example, alignment is performed at the time of the first cutting, no operator intervention is required at the subsequent cutting. Therefore, the worker can concentrate on the work of taking out the cut parts on the carrying-out side, for example. Further, if the distance between the marks to be cut is specified to the minimum necessary amount, the material can be saved.

Further, according to the present invention, the repeated cutting with the same cutting data can be flexibly performed according to the length of the cloth.

Further, according to the present invention, it is possible to continuously and automatically perform cutting with different cutting data for each mark.

[Brief description of drawings]

FIG. 1 is a block diagram showing a schematic electrical configuration of an embodiment of the present invention.

FIG. 2 is a flowchart showing the operation of the embodiment shown in FIG.

FIG. 3 is a schematic plan view showing a cutting result according to the embodiment shown in FIG.

FIG. 4 is a schematic plan view showing a cutting result according to another embodiment of the present invention.

FIG. 5 is a schematic perspective view showing the configuration of still another embodiment of the present invention.

FIG. 6 is a perspective view showing an appearance of a conventional automatic cutting machine.

FIG. 7 is a schematic plan view showing a cutting result by the automatic cutting machine shown in FIG.

[Explanation of symbols]

 30 Control Means 31 Data Input Means 32 Conveying Means 33 Holding Means 34 Cutting Means 35 Storage Means 36 Cutting Mode Setting Means 37 Interval Designating Means 40 Margin Allowances 41, 42, 43 Marks 51, 52, 53 Marks 60 Automatic Cutting Machines 61 Online Transmission Line 62 CAD device

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[Procedure amendment]

[Submission date] February 9, 1994

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 1

[Correction method] Change

[Correction content]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0008

[Correction method] Change

[Correction content]

FIG. 7 (3) shows a state in which cutting data for the number of repeats is created in advance by a CAD device or the like and cutting for the number of repeats is automatically performed. Margin 2
If you also give data for transporting 0, mark 2
It is not necessary to perform work for each of 1, 2, 23, and during that time, the worker can concentrate on the work of taking out the cut parts while waiting on the carry-out side, for example. However,
For example, even if a mark 28 or a margin 29 that can be repeated and cut again occurs due to the length of the stretched rule, unless cutting data is newly created,
The cutting cannot be automatically performed continuously.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0010

[Correction method] Change

[Correction content]

[0010]

DISCLOSURE OF THE INVENTION The present invention is a sheet material provided with a conveying means for conveying a sheet material on a cutting table, a holding means for holding the conveyed sheet material on the cutting table, and a cutting means. In the cutting device, a storage means for storing at least one set of cutting data, and an interval designating means for designating an interval of a portion which is added to one mark of a sheet material to be cut and serves as a margin by the one set of cutting data. And cutting mode setting means for setting a mode for cutting a plurality of marks in the cutting data stored in the storage means,
In accordance with the cutting mode set in the cutting mode setting means, the sheet material is cut by one mark by controlling the conveying means, the holding means and the cutting means, and the conveying means is controlled so that the space between the sheet materials for each mark is controlled. A sheet material cutting device, comprising: a control means that conveys the sheet material so that the distance is designated by the distance designating means.

[Procedure amendment 4]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction content]

[0013]

According to the present invention, the sheet material for one mark is cut according to the set cutting mode, and the next mark is automatically cut at the interval designated as the margin. Is done in a regular manner. In this way, the cutting of a plurality of marks is automatically performed continuously, so that the work such as the alignment may be performed only once at the first time. Therefore, the worker can concentrate on the work of taking out the cut parts on the unloading side during cutting.

[Procedure Amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0014

[Correction method] Change

[Correction content]

Further, according to the present invention, it is possible to set, as the cutting mode, to repeatedly cut a plurality of marks with the same cutting data. With this, it is possible to perform wasteful cutting corresponding to the measuring scales of the fabrics of various lengths by only preparing one set of cutting data.

[Procedure correction 6]

[Document name to be amended] Statement

[Correction target item name] 0020

[Correction method] Change

[Correction content]

FIG. 3 shows the cutting result according to the embodiment shown in FIG. Repeating three times with respect to one rule, the margin 40 is set as the space between the marks 41,
Cutting of 42 and 43 is continuously performed. By changing the number of repeats, it is possible to easily deal with different scale lengths.

Claims (3)

[Claims] 1. A cutting device for a sheet material, comprising: a conveying means for conveying a sheet material on a cutting table; a holding means for holding the conveyed sheet material on the cutting table; and a cutting means for a sheet material. Storage means for storing, interval specifying means for specifying an interval for one mark of a sheet material to be cut by one set of cutting data, and cutting data stored in the storing means, a mode for cutting a plurality of marks is set. According to the cutting mode setting means for controlling the cutting mode and the cutting mode set in the cutting mode setting means, the conveying means, the holding means and the cutting means are controlled to cut the sheet material one mark at a time, and the conveying means is controlled to control each mark. A sheet material cutting device, comprising: a control unit configured to convey the sheet material such that the distance between the sheet materials becomes the interval designated by the spacing designating unit. 2. The sheet material cutting device according to claim 1, wherein the cutting mode setting means is capable of setting cutting of the same cutting data for a plurality of marks and setting the number of times. 3. The sheet material cutting device according to claim 1, wherein the cutting mode setting means is capable of cutting a plurality of marks by different cutting data and setting a cutting order thereof.