JP3907069B2 - Patchwork sewing auxiliary device and sewing machine provided with the auxiliary device - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a patchwork sewing auxiliary device and a sewing machine equipped with the device.
[0002]
[Prior art]
Patchwork forms a large pattern by stitching together a plurality of material pieces, and has been actively performed in recent years.
[0003]
[Problems to be solved by the invention]
However, when doing patchwork, it is difficult to determine the design of the patchwork. In other words, the basic shape of the patchwork is selected first, and then the piece to be fitted into the basic shape and the color and pattern of the piece are determined, but there are almost infinite combinations of variations of the basic shape and the variations of the piece. It is not easy to determine the overall design of the patchwork. In addition, it is difficult to grasp the overall design, and it is extremely difficult to grasp what kind of patchwork the entire work will be based on the basic shape and the color and pattern of the piece selected by the user.
Furthermore, there is a problem that it is troublesome to calculate the size of the material piece forming the patchwork when actually performing the patchwork sewing after the design is determined. In this calculation, the size of each piece constituting the pattern is calculated backward from the size of the piece to be completed first, and the size of the piece of material is calculated by adding the sewing allowance and prick to this piece piece size. There is also a problem that the gaps vary depending on the pattern, and there is a problem that requires a lot of labor to calculate the dimensions of the material pieces.
An object of the present invention is to solve the above-described problems. An auxiliary device capable of easily designing a patchwork and easily calculating the dimensions of a material piece and a sewing machine equipped with the device are provided. The purpose is to provide.
[0004]
[Means and Actions for Solving the Problems]
In order to achieve the above object, a patchwork sewing assisting device and a sewing machine having the same according to the present invention include means for providing information on a plurality of patchwork patterns, and information on a plurality of pieces constituting the patchwork patterns. A means for selecting, a means for selecting the pattern of the patchwork, a means for selecting the piece, a means for enlarging / reducing the shape of the piece, and a combination of the pattern selected by the selecting means and the selected piece The information regarding the patchwork pattern includes data representing the outer shape of the patchwork pattern, and arrangement position data of the piece within the outer shape, and the information regarding the piece includes Including at least information representative of the shape of the piece, and means for scaling the piece is adapted to the placement position data. Scaling the Jo, characterized in that.
The means for giving information related to the pattern of the patchwork is a storage device or an input device, and supplies at least the shape information of the patchwork pattern. Similarly, a storage device, an input device, or the like is used as a means for giving information about pieces. A typical example of the information regarding the patchwork pattern is data representing the shape of the patchwork as shown in FIG. Here, it is composed of a square outer frame shape and arrangement data for arranging pieces formed by a total of eight squares in four rows and four stages. In the preferred embodiment, the piece-related information is the shape information of the pieces arranged in the square, and as shown in FIGS. 5A to 5E, a square, a horizontally long rectangle, a vertically long rectangle, and a square in which color coding is designated. Etc. are provided. Moreover, the information regarding the piece may include information regarding the color of the piece. Moreover, information such as a pattern such as a vertical line, a diagonal line, or a dot applied to the piece, or another general pattern may be included. The piece can be enlarged / reduced by means for enlarging / reducing the piece. The enlarged piece d ′ in FIG. 5 is obtained by doubling the piece d vertically and horizontally, and the enlarged piece e ′ is obtained by making the piece e 4 times vertically and twice horizontally. Although reduction is not shown, it can be reduced in the same manner as enlargement. The enlargement / reduction magnification follows the square shape that defines the piece placement position in the shape outside the pattern, and the enlargement / reduction is performed at an enlargement / reduction ratio that fits in the square. The selection means is for selecting a patchwork pattern as described above and a piece to be combined therewith, and is normally executed by a user operation. The selected patchwork pattern and piece are displayed in combination on the display means, and the user can confirm the entire image of the patchwork pattern by a specific display. B and C in FIG. 5 show examples in which each piece is combined with the outer shape of A, and various works can be formed based on the same pattern shape. Further, by using the enlarged piece d ′ as in C, it is possible to newly create and use a piece not prepared in advance.
According to a second aspect of the present invention, there is provided means for providing information on a plurality of patchwork patterns, means for providing information on a plurality of pieces constituting the patchwork patterns, and selecting the patchwork patterns and the pieces. Means for enlarging / reducing the piece, means for giving information about the size of the work of the patchwork pattern, and the size of the material piece of the selected patchwork pattern based on the information about the size of the work And means for outputting the calculation result. In the preferred embodiment, the means for giving information relating to the size of the work of the patchwork pattern is an input means or the like, and a configuration for inputting the size of the final work produced by the user can be adopted. Based on the information about the size of the work, the size of the material piece of the patchwork pattern is calculated by means for calculating. This calculation is configured to be performed in conformity with each pattern pattern. The size of the material piece is, for example, a size obtained by adding a sewing allowance and a peculiarity to the size of the work piece. Furthermore, it is also possible to configure to calculate the size of the entire material in addition to the size of the material piece. These calculation results are output by the output means. As output means, display means, audio output means, printing means, or the like can be used.
[0005]
【Example】
Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, the patchwork sewing assisting device is provided in the sewing machine, but it goes without saying that the assisting device may be a device separated and independent from the sewing machine.
[0006]
In FIG. 1, the means for giving information about the pattern and the means for giving information about the piece are realized as a common storage means 1. In other words, the storage unit 1 stores information related to the non-pattern shapes A to N of the plurality of patchwork, which is one of information related to the patterns of the plurality of patchwork. Further, a piece shape arranged in the shape outside the pattern, which is information on a plurality of pieces constituting the patchwork pattern, is stored. In addition, information on the color and pattern applied to the piece shape is stored. In this embodiment, a program for calculating the dimensions of the material work pieces is stored for each pattern. The storage means 1 may be provided in the sewing machine main body, or may be a card such as a ROM card. In the case of a card, a different card may be used for each pattern.
[0007]
The outer shapes A to N stored in the storage means 1 can be selected by the pattern selection means 2 via the control means 6, and the control means 6 is a means for selecting a patchwork pattern.
Further, the piece shape to be arranged in the selected pattern outside shape is selected by the piece selection means 3a, and the color or pattern to be applied to the piece can be selected by the color / pattern designation means 4. The piece selection means 3a is a means for selecting a piece.
Furthermore, the selected piece can be enlarged or reduced by the piece enlargement / reduction specifying means 3b. The patchwork pattern and the piece selected by the pattern selecting means 2 and the piece selecting means 3a or enlarged / reduced by the piece enlargement / reduction specifying means 3b are combined and displayed on the display means 9 via the control means 6. Has been.
The control means 6 and the display means 9 constitute means for displaying a combination of the patchwork pattern and the selected piece.
[0008]
For example, when a checkerboard is selected from the patchwork pattern shown in FIG. 4, the content stored in the storage means 1 is read, and the outer shape is indicated by a solid line on the display means 9 as shown in FIG. Displayed, the arrangement pattern of the pieces is displayed with dotted lines. At the same time, a piece pattern is displayed as shown in a to e, and color designation can be designated according to the spectrum as shown in f, and a pattern applied to the piece is designated as shown in g. It can be done. Further, the piece pattern can be enlarged / reduced by the piece enlargement / reduction specifying means 3b. For example, d can be enlarged or reduced to d 'and e to e'.
B and C in FIG. 5 indicate that various work patterns can be formed by using the same pattern outside shape by selecting and enlarging / reducing the piece pattern and designating the color and pattern.
[0009]
In this embodiment, pattern number input means 5 is further provided so that a large pattern can be formed by arbitrarily copying the patchwork pattern formed as shown in FIGS. 5B and 5C in the vertical and horizontal directions. In the example shown in FIG. 6, the pattern shown in FIG. 5C is formed by quadrupling each in the vertical and horizontal directions.
[0010]
The user can configure the patchwork pattern in this way, and the pattern shape and color of the finished product can be visually observed by the display means 9, so that the design of the pattern can be performed easily and the image of the pattern of the implementation can be obtained. It becomes possible to confirm.
[0011]
In this embodiment, the size of the designed material piece and the size of the entire material can be calculated.
That is, the pattern combined by the control means 6 is read out by the calculation means 8. That is, information such as the outer shape of the pattern, the shape of the pieces arranged there, the enlarged and reduced shape, the number of pieces, and the like are input to the calculation means 8.
Also, information on the work size is input to the calculation means 8 from the work size input means 7, and the calculation means 8 uses the information on the material piece S based on the calculation program from the storage means 1. The size (dimension) is calculated and displayed on the display means 9.
In addition to the size of the material piece S, the calculation means 8 is configured to calculate the size of the material M in this embodiment, and can output the number of material pieces for each color.
[0012]
When the work size is input as shown in FIG. 7A, first, the size of each work piece of the finished product is calculated, and the material piece is calculated by adding the seam allowance and peculiarity to this. And as shown to (B), the raw material piece dimension is displayed. At the same time, in this embodiment, the size of the entire material is calculated and displayed for each color, and if the user prepares the material of each color by this display, the designed patchwork pattern can be created. It has become.
[0013]
FIG. 2 is a block diagram showing a hardware configuration of an embodiment of the present invention.
The CPU 100 controls the sewing machine in accordance with a program stored in the program storage device 101, and controls the sewing machine motor drive circuit 110 at a speed instructed by a rotational speed command device 103 which is a stepping type speed controller. The stitch forming mechanism 112 is driven at a sewing speed corresponding to the designated speed by rotating the motor 111. The stitch formation mechanism 112 includes a needle bar, a needle, and a cloth feed mechanism, and executes predetermined sewing. The number of rotations of the sewing machine motor 111 is detected by a motor rotation detection sensor 113 and fed back to the CPU 100 to be used for speed control.
The timing signal generator 114 is configured to detect the rotational phase of the upper shaft of the sewing machine body, detect the vertical movement of the needle, and input the timing signal to the CPU 100.
A display device 81 is provided at the front portion of the sewing machine main body (not shown), and various displays are performed by the display control device 80 in accordance with commands from the CPU 100.
The sewing machine main body is further provided with a patchwork calculation mode selection key 29. When patchwork calculation is desired, the patchwork calculation mode selection key 29 can be pressed to shift to the calculation mode.
Reference numeral 11 denotes a temporary storage device.
[0014]
The pattern data / calculation program storage device 10 stores patchwork pattern data, piece data, material piece dimensions, and overall material size calculation programs as described above, and the patchwork pattern is displayed on the display device 81 based on the pattern data. The pattern can be selected by the patchwork pattern selection key 15 while viewing the display. A piece pattern selected by the piece selection key 16 is selected, and a color / pattern selection key 18 can be used to select a color and a pattern. Further, in response to the piece enlargement / reduction command from the piece enlargement / reduction designation key 17, the piece is enlarged or reduced based on the program from the piece enlargement / reduction program storage device 20, and the result is displayed on the display device 81. It is configured.
A pattern number input key 19 allows the pattern to be enlarged in the vertical and horizontal directions.
Further, a work size input key 23 and a control key 27 are provided, and necessary items are input by operating these keys.
[0015]
These patchwork pattern selection key 15, piece selection key 16, piece enlargement / reduction designation key 17, color / pattern designation key 18, pattern number input key 19, work size input key 23, and control key 27 are displayed in this embodiment. The touch panel is formed on the liquid crystal display screen of the device 81, and is appropriately formed on the screen as the process proceeds.
In addition to the display device 81, an audio display device can be used.
In this embodiment, the contents of the display device 81 can be output to the printing device 30 such as a printer.
[0016]
The CPU 100 is provided with a function corresponding to the calculation means 8 and executes dimension calculation for each patchwork pattern according to the calculation program read from the pattern data / calculation program storage device 10.
[0017]
The operation will be described with reference to FIG.
When the patchwork calculation mode selection key 29 is first operated, a patchwork pattern selection screen is displayed on the display device 81 as shown in FIG. 4, and the patchwork is successively turned by operating the control key 27 and turning the page. A pattern is displayed (step S1). Then, a predetermined patchwork pattern is selected by touching the patchwork pattern selection key 15 (step S2).
The display device 81 displays the outer shape of the selected patchwork pattern and the square and piece pattern for arranging the pieces as shown in FIG. 5 (step S3). Here, the piece pattern for each square of the outer shape is displayed. Is selected by the piece selection key 16 (step S4). If the piece enlargement / reduction designation key 17 is operated (step S5), the piece is enlarged or reduced (step S6). The enlargement / reduction of the pieces can be performed after being arranged in an off-pattern shape, or can be performed before the arrangement. It is also possible to enlarge or reduce part or all of the pieces in advance, and it is also possible to store these enlarged and reduced pieces and reuse them.
Then, the color or pattern to be applied to the piece is designated by the color / pattern designation key 18 (step S7). The pattern combined by this operation is displayed as shown in FIGS. 5B and 5C (step S8). It is determined whether or not the selection has been completed (step S9), and if there is repetition of the pattern in the vertical and horizontal directions by the pattern number input key 19 (steps S10, 11, and 12), the number input as shown in FIG. Thus, the entire pattern is displayed on the display device 81 (step S13).
If there is a correction, the above steps are repeated (steps S14 and S15).
Next, when the patchwork calculation mode selection key 29 is operated and the size of the work is input by the work size input key 23 (step S16), the CPU 100 calculates the size of the material piece and the size of the material. Is displayed on the display device 81 (step S17). FIG. 7 shows an example of display on the display device 81, a work size display 82 is displayed by designating the size of the work, and the number of pieces to be configured at the same time is displayed in the piece number display 83. As shown in FIG. 7B, the calculation result is displayed on the material piece size result display 84, the piece number result display 85 for each color, and the entire material size result display 86.
The content displayed on the display device 81 is printed out by the printing device 30 as desired (step S18), and the operation ends.
[0018]
【The invention's effect】
As described above, according to the patchwork sewing auxiliary device of the present invention and the sewing machine equipped with the auxiliary device, the patchwork pattern can be easily designed, and the entire work is displayed on the display means for confirmation. It becomes possible. In addition, the pieces arranged in the shape outside the pattern are not only given in advance but also can be enlarged or reduced as necessary, so that various patchwork patterns can be created.
The invention of claim 2 is advantageous in that the size of the material piece of the patchwork pattern can be calculated, eliminating the need for complicated calculations.
Further, the invention of claim 5 has an effect that the size of the whole material can be calculated in addition to the size of the material piece, and the size of the material to be prepared can be known.
[Brief description of the drawings]
FIG. 1 is a functional block diagram showing an embodiment of the present invention.
FIG. 2 is a block diagram showing a configuration of an embodiment of the present invention.
FIG. 3 is a flowchart for explaining the operation of an embodiment of the present invention.
FIG. 4 is an operation explanatory diagram of one embodiment of the present invention.
FIG. 5 is an operation explanatory diagram of one embodiment of the present invention.
FIG. 6 is an operation explanatory diagram of one embodiment of the present invention.
FIG. 7 is an operation explanatory diagram of one embodiment of the present invention.
[Explanation of symbols]
1: storage means, 2: pattern selection means, 3a: piece selection means, 3b: piece enlargement / reduction designation means, 4: color / pattern designation means, 5: number of patterns input means, 6: control means, 7: work size Input means, 8: calculation means, 9: display means, 10: pattern data / calculation program storage device, 11: temporary storage device, 15: patchwork pattern selection key, 16: piece selection key, 17: piece enlargement / reduction designation key 18: Color / pattern designation key, 19: Pattern number input key, 20: Piece enlargement / reduction program storage device, 23: Work size input key, 27: Control key, 29: Patchwork calculation mode selection key, 30: Printing Device: 80: Display control device 81: Display device 82: Work size display 83: Piece number display 84: Material piece size result display 85: Piece number result display for each color 86: Element Total dimension result display, 100: CPU, 101: program storage device, 103: rotational speed command device, 110: sewing machine motor drive circuit, 111: sewing machine motor, 112: stitch formation mechanism, 113: motor rotation detection sensor, 114: Timing signal generator.

Claims (6)

A means for providing information on multiple patchwork patterns;
Means for providing information on a plurality of pieces constituting the pattern of the patchwork;
Means for selecting the pattern of the patchwork;
Means for selecting the pieces;
Means for scaling the shape of the piece;
Means for displaying a combination of the pattern selected by the means for selecting and the selected piece,
Information relating to the pattern of the patchwork includes data representing an outer shape of the patchwork pattern, and arrangement position data of the pieces in the outer shape,
The information about the piece includes at least information representing the shape of the piece,
The means for scaling the piece scales the shape of the piece to fit the placement position data.
A patchwork sewing auxiliary device characterized by that. A means for providing information on multiple patchwork patterns;
Means for providing information on a plurality of pieces constituting the pattern of the patchwork;
Means for selecting the pattern of the patchwork;
Means for selecting the pieces;
Means for scaling the piece;
A means to give information about the size of the patchwork pattern,
Means for calculating the size of the material piece of the selected patchwork pattern based on information on the size of the work;
Means for outputting the calculation result,
Information relating to the pattern of the patchwork includes data representing an outer shape of the patchwork pattern, and arrangement position data of the pieces in the outer shape,
The information about the piece includes at least information representing the shape of the piece,
The means for scaling the piece scales the shape of the piece to fit the placement position data.
A patchwork sewing auxiliary device characterized by that. The patchwork sewing assisting device according to any one of claims 1 and 2 , wherein the information regarding the piece includes at least one of a color and a pattern. The patchwork sewing auxiliary device according to any one of claims 2 and 3 , wherein the means for calculating calculates not only the size of each material piece but also the size of the entire material. The patchwork sewing assisting device according to any one of claims 2, 3 and 4 , wherein the size of the material piece is obtained by adding a seam allowance and a peculiarity to the size of the work piece of the work. A sewing machine comprising the patchwork sewing assisting device according to any one of claims 1 or 2, 3 or 4 or 5.

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