JP3345614B2 - How to create applique embroidery data - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for creating embroidery data for embroidery sewing of applique.

[0002]

2. Description of the Related Art As shown in FIG. 18, when an applique cloth piece 52 is sewn to a fabric 53, an edge of the applique cloth piece 52 is sewn to the fabric 53 with a stitch stitch 54 (so-called E stitch). Satin stitch 5
In general, the embroidery is sewn to the fabric 53 at 5. As shown in FIG. 19, the data for controlling the stitching stitch 54 includes, as shown in FIG. 19, the contour data D56 of the cloth for applique, and which side of the contour data D56 is on the inside (E on the inside).
(This is for inserting a character-shaped stitch). The data for controlling the satin stitch 55 is created from the inner circumference data D58 along the inside of the contour data D56 and the outer circumference data D59 along the outside. Therefore, conventionally, first, the contour data D5
6 and the instruction data D57 to create stitch stitch data, and then the inner circumference data D58 and the outer circumference data D5
9 to create the satin stitch data.

[0003]

As described above, in addition to the contour data D56, the instruction data D57 and the inner circumference data D57
The work of inputting the 58 and the outer circumference data D59 was rather troublesome. Thus, the present inventor has studied a method of automatically creating inner circumference data and outer circumference data only by inputting outline data, but the problem at that time is that the inner circumference data and the outer circumference data for the outline data are problematic. There is a problem on how to automatically and correctly determine which side of the contour data is to be used to create the inner circumference data and create the outer circumference data.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problem, and it is possible to automatically create inner and outer peripheral data along the outline data on the correct side of the outline data only by inputting the outline data. It is an object of the present invention to provide an applique embroidery data creation method capable of easily and accurately creating embroidery data such as stitch stitch data and satin stitch data for sewing a cloth piece on a fabric.

[0005]

In order to achieve the above object, according to the present invention, a step of inputting contour data of a piece of applique cloth and a step of creating inner peripheral data and outer peripheral data along the contour data are provided. And a step of creating embroidery data for sewing an applique cloth onto a fabric from the outline data, the inner circumference data or the outer circumference data, and the step of creating the inner circumference data and the outer circumference data includes the step of: Extend a search line in one direction from any point in the data,
The number of intersections between the search line and the other part of the contour data is obtained, and the contour data is determined based on the extension direction of the search line, the direction of the contour data at the arbitrary point, and the number of intersections. The means for automatically determining the creation side of the inner circumference data and the outer circumference data with respect to.

Here, means for inputting contour data include a digitizer (including a tablet which is a designation of a small digitizer), a touch panel, a light pen, a mouse, and the like.
Examples include a track ball and the like. Also, inner circumference data,
As a means for creating the outer periphery data and the embroidery data, a microcomputer can be exemplified. The embroidery data includes positioning temporary stitching data necessary for arranging the applique fabric on the fabric, fixing stitch data necessary for sewing the applique fabric to the fabric, and satin necessary for embroidering the applique fabric on the fabric. Stitch data and the like can be exemplified.

[0007]

According to the method for creating embroidery data for applique of the present invention, in the step of creating inner circumference data and outer circumference data along contour data, a search line is extended in one direction from an arbitrary point of the contour data, and the search is performed. The number of intersections between the line and the other part of the contour data is determined, and the inner circumference of the contour data is determined based on the extending direction of the search line, the direction of the contour data at the arbitrary point, and the number of intersections. Since the creation side of the data and the outer circumference data is automatically determined, it is possible to automatically create the inner circumference data and the outer circumference data on the correct side of the contour data.

[0008]

EXAMPLES Hereinafter, examples embodying the present invention will be described.
This will be described with reference to FIGS. First, an apparatus for creating contour data, cutting data, and embroidery data used in this embodiment will be described with reference to FIG. 1. The center of the data creating apparatus is a control device 1, and a CPU, a RO, and the like.
A microcomputer including an M, a RAM, a connection bus, an input / output interface, and the like is used. To this control device 1, a digitizer 2 and a keyboard 3 are connected as input devices, a display 4 is connected as a display device, and an XY plotter 5 is connected as a printing device.
A floppy disk device 6 and a tape puncher 7 are connected as external storage devices.

The configuration of the data creating apparatus is merely an example. For example, as an external storage device, a hard disk device (including a removable type), a magnetic tape device, a magnetic card device, a magneto-optical disk device, an optical disk device, an I / O device
A C card device or the like can also be used.

Reference numeral 10 denotes a cutting machine for cutting a piece of applique cloth, a board surface 11 on which a cloth is set, a heat cutter 12 which is driven in the X-Y direction and is driven back and forth in the Z-axis direction as required. An operation key 13 and a floppy disk device 14 as an input device are provided. This floppy disk device 14 has a floppy disk F on which the cutting data is recorded by the floppy disk device 6.
D1 is inserted.

In addition to the heat cutter, for example, a cutting blade, a laser cutting device, a liquid jet cutting device, or the like can be used. When the external storage device other than the floppy disk device is used for the data creation device, the external storage device corresponding to the external storage device is also used for the cutting machine. Further, the data creation device and the cutting machine 10 can be connected by a transmission cable or a wireless transmission device, and the cut data created by the data creation device can be directly transmitted to the cutting machine 10.

Reference numeral 20 denotes an embroidery sewing machine for sewing an applique cloth piece onto a cloth. A plurality of embroidery heads 21 for vertically driving a needle through which an upper thread is passed, and a bed 22 having a built-in shuttle and a lower thread bobbin. And an embroidery frame 24 for spreading the fabric 23
And a drive device 25 for driving the embroidery frame 24. A movable carriage 27 with casters 26 supports a sewing machine control device 30 that can be arranged on a table 28. The sewing machine control device 30 includes a control panel 31, a keyboard 32, a display 33, a floppy disk device 34 as an input device built in the control panel 31, and the like. The floppy disk FD2 on which the embroidery data is recorded by the floppy disk device 6 is inserted into the floppy disk device.

When the external storage device other than the floppy disk device is used for the data generating device, the external storage device corresponding to the external storage device is replaced with the sewing machine control device 30.
Also used for. Further, the data creation device and the sewing machine control device 30 are connected by a transmission cable or a wireless transmission device,
The embroidery data created by the data creation device can be directly transmitted to the sewing machine control device 30.

The method of creating contour data, cutting data and embroidery data in this embodiment proceeds according to the procedure shown in FIG. A dotted line with an arrow in FIG. 2 indicates a data flow. Hereinafter, this procedure will be described in detail.

(1) Creation of Contour Data of Applique Cloth As shown in FIG. 3A, a pattern 8 in which, for example, an A-shape is drawn is attached to the board surface of the digitizer 2. The corner points C1,..., C13 (C1
Pointing devices 4 such as button cursors, stylus pens, etc.
7 to input the A-shaped contour data D1. As shown in FIG. 3 (b), on the display 4, points that are sequentially picked up are displayed with a line connecting them.

In this input, a point slightly before the first corner point C1 is picked up as a start point S, and a point slightly too far from the corner point C9 (the same point as C1) is picked up as an end point E, so that cutting is performed. This is preferable because the initial portion and the end portion of the cutting always cross each other so that there is no uncut portion.

(2) Automatic Creation of Cutting Data The controller 1 automatically creates A-shaped cutting data D2 as shown in FIG. 4 from the contour data D1, and this cutting data D2 is stored in the floppy disk device 6. Is recorded on the floppy disk FD1.

(3) Automatic Creation of Embroidery Data Next, the control device 1 automatically creates A-shaped positioning temporary stitching data D3 necessary for applique arrangement as shown in FIG. 5 from the contour data D1. I do. The temporary sewing data D3 for positioning is recorded on the floppy disk FD2 by the floppy disk device 6.

Next, the control device 1 automatically creates inner peripheral data D4 along the inside of the contour data D1 as shown in FIG. 6 from the contour data D1.

Next, the control device 1 automatically creates A-shaped fixing stitching data D5 required for fixing stitching of the applique cloth as shown in FIG. 7 from the contour data D1 and the inner circumference data D4. . In this embodiment, the E stitch data is created based on the number of stitches from the stitch of the E stitch input to the control device 1 from the keyboard 3 in advance. However, the lock stitch data is not limited to the E stitch. For example, it is also possible to create the lock stitch data D5 by another type of stitch as shown in FIG. These set stitch data D5 are recorded on the floppy disk FD2 by the floppy disk device 6.

Next, the control device 1 automatically creates outer peripheral data D6 along the outside of the contour data D1 as shown in FIG.

By the way, in the above steps, the inner data D4 and the outer data D for the contour data D1.
6 is automatically determined by a procedure as shown in FIG. 10, and details thereof are as follows.

(A) FIG. 11 or FIG. 12 (FIG. 12 shows an O-shape contour data added to the left of the A-shape).
As shown in the figure, arbitrary points P1, P2, P
3, P4, P5, P6, P7, P8 (of these, P
3, P4, P7, and P8 are search points S in one direction (for example, the left direction in FIGS.
To extend. (b) Intersection X between the search line S and the other part of the contour data D1
And determine whether it is 0, even, or odd. (c) Based on the extension direction of the search line S, the traveling direction of the outline data D1 at the arbitrary points P1,..., P8, and the number of intersections X, the inner direction of the outline data D1 is determined according to the following Table 1 and FIG. The creation side of the circumference data D4 and the circumference data D6 is automatically determined. Table 1 shows the case where the extension direction of the search line S is the left direction and the case where the extension direction of the search line S is the left direction. FIG. Is shown.

[0024]

[Table 1]

In Table 1, "right or left" in the traveling direction means "right or left" in the traveling direction of the contour data D1, as shown in FIG. According to such a determination procedure, the arbitrary point P1,
.., P8 are automatically determined as shown in Table 2 below. As shown in the table, the discrimination at the arbitrary points P1,..., P4 in FIG. 11 and the discrimination at the arbitrary points P5,. Also, arbitrary points P3, P
4, P7 and P8 are also correctly determined.

[0026]

[Table 2]

Next, the control device 1 creates satin stitch data D7 as shown in FIG. 14 from the inner circumference data D4 and the outer circumference data D6. The satin stitch data D7 is, as shown in FIG.
6 is data for a satin stitch 40 for sewing the fabric 6 on the fabric 23. The satin stitch data D7 is recorded on the floppy disk FD2 by the floppy disk device 6.

As described above, the floppy disk FD1 on which the cutting data D2 is recorded, the positioning temporary stitching data D3, the stop stitching data D5, and the satin stitch data D
7 and a floppy disk FD2 on which three embroidery data are recorded. This floppy disk FD
The appliqué is formed as follows using the data of FD1 and FD2 and the device.

(A) Cutting of Applique Cloth As shown in FIG. 1, the applique cloth piece cloth 15 is set on the board surface 11 of the cutting machine 10 and the floppy disk FD 1 is inserted into the floppy disk device 14. When the cutting machine 10 is operated, the heat cutter 12 contacts the cloth 15 and is driven in the XY direction based on the cutting data D2, so that the A-shaped applique cloth piece 16 based on the cutting data D2 is thermally melted. Is done.

(B) Embroidery sewing of the applique cloth piece As shown in FIG. 1, the cloth 23 is spread on the embroidery frame 24 of the embroidery sewing machine 20, the floppy disk FD2 is inserted into the floppy disk device 34, and the embroidery sewing machine is inserted. When the sewing machine 20 is operated, first, the needle of the embroidery head 21, the shuttle of the bed 22, and the embroidery frame 24 based on the temporary sewing data D3 for positioning.
As a result, an A-shaped temporary stitch 45 is formed on the fabric 23 as shown in FIG.

The applique cloth 16 is attached to the cloth 23 along the temporary stitch 45 with an adhesive or the like.

When the embroidery sewing machine 20 is operated again,
The needle of the embroidery head 21, the shuttle of the bed 22, the embroidery frame 24, and the like are driven based on the lock stitch data D5.
As shown in FIG. 7, the lock stitch 46 is formed, and the applique cloth 16 is fixed to the cloth 23 by sewing.

Subsequently, when the embroidery sewing machine 20 is operated, the embroidery head 2 is operated based on the satin stitch data D7.
Since the first needle, the shuttle of the bed 22, the embroidery frame 24, and the like are driven, a satin stitch 40 is formed as shown in FIG. 17, whereby the applique cloth 16 is sewn to the cloth 23 by embroidery.

It should be noted that the present invention is not limited to the configuration of the above-described embodiment, but may be embodied by appropriately changing the present invention without departing from the gist of the present invention.

[0035]

The method for creating applique embroidery data of the present invention is configured as described above, so that only the input of the contour data is used to convert the inner and outer data along the contour data to the correct side of the contour data. Thus, there is an excellent effect that embroidery data such as stitch stitch data and satin stitch data for sewing an applique cloth to a fabric can be easily and accurately generated.

[Brief description of the drawings]

FIG. 1 is an overall configuration diagram of an apparatus used in an embodiment of the present invention.

FIG. 2 is a flowchart illustrating a procedure for creating contour data, cutting data, and embroidery data according to the embodiment;

FIG. 3A is an explanatory view showing a method of creating contour data;
(B) is a front view showing the display display at that time.

FIG. 4 is an explanatory diagram showing created cutting data.

FIG. 5 is an explanatory diagram of created temporary sewing data for positioning.

FIG. 6 is an explanatory diagram showing created inner circumference data.

FIG. 7 is an explanatory diagram showing the generated stitch sewing data.

FIG. 8 is an explanatory diagram showing another example of the lock stitching data.

FIG. 9 is an explanatory diagram of created outer circumference data.

FIG. 10 is a flowchart illustrating an automatic discrimination method on the creation side of inner circumference data and outer circumference data for contour data.

FIG. 11 is an explanatory diagram showing the automatic discrimination method.

FIG. 12 is another explanatory diagram showing the automatic discrimination method.

FIG. 13 is an explanatory diagram showing a definition on a creation side of inner circumference data and outer circumference data in the automatic discrimination method.

FIG. 14 is an explanatory diagram of created satin stitch data.

FIG. 15 is a plan view of a fabric on which temporary stitches are formed.

FIG. 16 is a plan view of a fabric in which an appliqué cloth piece has been sewn by staple stitching.

FIG. 17 is a plan view of a cloth (applique) obtained by embroidering a cloth for applique with a satin stitch;

FIG. 18 is a plan view showing a conventional applique with some satin stitches omitted.

FIG. 19 is an explanatory diagram showing data for the applique.

[Explanation of symbols]

16 Cloth for applique 23 Cloth D1 Contour data D2 Cutting data D3 Temporary stitching data for positioning D4 Inner circumference data D5 Stop stitching data D6 Outer circumference data D7 Satin stitch data P1 to P8 Arbitrary point S Search line X Intersection

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int. Cl. ⁷ , DB name) D05B 19/00-21/00

Claims (1)

(57) [Claims] 1. A step of inputting contour data of an applique cloth piece, a step of creating inner peripheral data and outer peripheral data along the contour data, and an applique cloth from the contour data, inner peripheral data or outer peripheral data. Creating embroidery data for sewing a piece to a fabric, wherein in the step of creating the inner circumference data and the outer circumference data, a search line is extended in one direction from an arbitrary point of the contour data, and the search is performed. The number of intersections between a line and the other part of the contour data is determined, and the number of intersections with respect to the contour data is determined based on the extension direction of the search line, the direction of progression of the contour data at the arbitrary point, and the number of intersections. A method for creating embroidery data for appliques, which automatically determines a creating side of circumferential data and outer circumferential data.