WO2000036203A1 - Dispositif de preparation des donnees relatives a la couture sur une machine a coudre - Google Patents

Dispositif de preparation des donnees relatives a la couture sur une machine a coudre Download PDF

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Publication number
WO2000036203A1
WO2000036203A1 PCT/JP1998/005629 JP9805629W WO0036203A1 WO 2000036203 A1 WO2000036203 A1 WO 2000036203A1 JP 9805629 W JP9805629 W JP 9805629W WO 0036203 A1 WO0036203 A1 WO 0036203A1
Authority
WO
WIPO (PCT)
Prior art keywords
sewing
stitch
sewing data
data
length
Prior art date
Application number
PCT/JP1998/005629
Other languages
English (en)
Japanese (ja)
Inventor
Noriko Akama
Katsunori Shigeta
Yoshifumi Nishizawa
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to PCT/JP1998/005629 priority Critical patent/WO2000036203A1/fr
Publication of WO2000036203A1 publication Critical patent/WO2000036203A1/fr

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B19/00—Programme-controlled sewing machines
    • D05B19/02—Sewing machines having electronic memory or microprocessor control unit
    • D05B19/04—Sewing machines having electronic memory or microprocessor control unit characterised by memory aspects
    • D05B19/08—Arrangements for inputting stitch or pattern data to memory ; Editing stitch or pattern data

Definitions

  • the present invention relates to a sewing data creating device for an electronic sewing machine configured to drive a cloth presser device holding a workpiece by predetermined sewing data.
  • sewing data corresponding to the sewing pattern is created, and information for driving the sewing machine in advance in a sewing medium in a storage medium such as a floppy disk is provided. Is held.
  • a predetermined sewing pattern is automatically sewn by moving on a predetermined plane while pressing and holding the cloth to be sewn.
  • the structure of the sewing data consists of the relative displacement between the needle and the cloth for each stitch of the sewing machine that forms the sewing pattern, and control commands for controlling the sewing machine and the mode for driving the sewing machine.
  • the sewing data of one sewing pattern is formed as a set of data for each stitch.
  • the sewing data creation device includes a tablet 10 having a pattern input section on which a sewing shape is placed, a menu part 11 for selecting sewing information, and sewing type coordinate data. And a cursor 12 for selecting and inputting a menu section 11; a floppy disk 18 for storing sewing data; and a CRT 26 for displaying sewing data.
  • the conventional menu section 11 does not have “Change stitch length”.
  • the sewing speed is "high speed”
  • the seam pattern is "linear” and input.
  • the coordinate data between the two points is processed to generate sewing data with a stitch length of 5.0 mm in a straight line.
  • This sewing data is sent without sewing from the origin ⁇ to the point A.
  • the points A-B, B-C, C ⁇ C ⁇ D and D ⁇ A are the specified stitch length (3 0 mm).
  • the sewing data ( ⁇ —A—B—C ⁇ D ⁇ A) shown in FIG. 12 (b) is enlarged to 150% ( ⁇ ⁇ A2 ⁇ B2—C2— D2 ⁇ A2) or 50% reduction (O—A1 ⁇ B1 ⁇ C1—D1—A1).
  • the means for enlarging or reducing is the feed amount per stitch X and Y Is calculated according to the set enlargement and reduction ratios to obtain a new feed amount. Therefore, the stitches of the enlarged or reduced sewing data are extended or contracted from the original stitches.
  • the conventional sewing data creation device described above was only able to obtain information for each stitch of the sewing data, so it was not possible to determine how much continuous sewing data was. It could not be determined whether the data was an arc, circle, etc. other than a straight line. Therefore, when enlarging or reducing existing sewing data, the operator selects the desired “arc” or “circle” from the menu section 11 and then sets the start and end points of the enlargement or reduction. However, there was a problem that the work had to be specified and the work was complicated.
  • the stitch length could not be expanded or reduced while maintaining the stitch length or at the specified stitch length. Therefore, when sewing a workpiece by increasing the stitch length, it is difficult to secure the workpiece with thread, or the sewing machine may exceed the stitch length of one stitch that can be sewn. Evening was happening. In addition, when the stitch length is reduced, there is a problem that a sewing object is damaged by a sewing needle. Disclosure of the invention
  • the present invention has been made in order to solve the above-mentioned problem, and it is possible to easily and beautifully perform processing such as data conversion (for example, enlargement / reduction) by dividing existing sewing data into continuous sewing data. It is an object of the present invention to provide a sewing data creation device having a function to make it possible.
  • the sewing data creation device includes a stitch for inputting a stitch type such as a blank feed, a straight line, an arc, a circle, and a free curve according to a stitch pattern of a workpiece.
  • Type input means, start point and end of the stitch type A stitch input means for inputting a coordinate value of an end point and a stitch length; the coordinate value, the stitch length, and the stitch type input by the stitch input means and the stitch type input means;
  • a sewing data creating device that creates sewing data based on the sewing data, and a storage device that stores the sewing data created by the data creating device.
  • Determining means for determining that the value of the stitch length and the value of the inclination of the stitch that are substantially the same in the sewing data are continuous sewing data; and determining the continuous sewing data determined by the determining means.
  • the sewing data creation device includes a designating means for designating a part or all of the seam pattern of the sewing object, and a judging means for determining the seam pattern specified by the designating means.
  • a determination is made that the sewing data is continuous sewing data.
  • the sewing data creation device includes an enlargement / reduction rate input means for inputting an enlargement / reduction rate for enlarging or reducing the stitch pattern based on the sewing data, and starting the continuous sewing data.
  • a coordinate value acquiring means for acquiring the coordinate values of the start point and the end point together with acquiring the point and the end point; and the continuous sewing based on the coordinate values of the start point and the end point and the enlargement or reduction ratio.
  • Calculating means for calculating a length of the stitch pattern corresponding to the data; a stitch length of the sewing machine read from the storage means; and a length corresponding to the length of the stitch pattern obtained by the calculating means.
  • a sewing data changing means for changing the sewing data.
  • a sewing data creation device includes a stitch length input unit that inputs a stitch length of a second sewing machine that is different from the stitch length of the first sewing machine of the sewing data;
  • the stitch length of the second sewing machine input from the ⁇ storage means for storing, enlargement / reduction rate input means for inputting an enlargement or reduction rate for enlarging or reducing the stitch pattern based on the sewing data, and a start point and an end point of the continuous sewing data.
  • coordinate value obtaining means for obtaining the coordinate values of the start point and the end point; and performing the continuous sewing process on the basis of the coordinate values of the start point and the end point and the enlargement ratio or reduction ratio.
  • Calculating means for calculating a length of a corresponding stitch pattern; a stitch length of the second sewing machine read from the storage means; and a length of the stitch pattern obtained by the calculating means
  • a sewing data changing means for changing the sewing data in response to.
  • the sewing data creation device has at least first and second continuous sewing data, and determines an end point of the first continuous sewing data as the second continuous sewing data. It is characterized as a starting point.
  • FIG. 1 is a plan view showing a sewing machine according to an embodiment of the present invention before and after a stitch pattern is changed.
  • FIG. 2 is a configuration diagram of a sewing data creation device for a sewing machine according to an embodiment of the present invention.
  • FIG. 3 is a flowchart in a case where the stitch pattern is changed as shown in FIG.
  • FIG. 4 is a flowchart showing details of steps S103, S105 and S107 of the flowchart of FIG.
  • FIG. 5 is a configuration diagram of sewing data before and after a stitch length change corresponding to the stitch pattern change in FIG.
  • FIG. 6 is a plan view showing a sewing machine according to another embodiment of the present invention before and after a stitch pattern is changed.
  • FIG. 7 is a flowchart in the case of changing the stitch pattern as shown in FIG.
  • FIG. 8 is a plan view for enlarging or reducing a stitch pattern of a sewing machine according to another embodiment of the present invention.
  • FIG. 9 is a flowchart when the sewing data is changed as shown in FIG.
  • FIG. 10 is a perspective view showing a sewing data creation device of the sewing machine.
  • FIG. 11 is a plan view showing the details of the menu section and the cursor in FIG.
  • FIGS. 12 (a) and 12 (b) are plan views showing seam patterns
  • FIG. 12 (b) is a plan view showing seam patterns by conventional enlargement / reduction.
  • a new menu key “Change stitch length” is provided in the menu section 11 and is selected when changing the stitch length of a part or the whole of the sewing data.
  • the stitch length of only C—D is changed to 3 mm, and the new pattern A ⁇ B—C 1—D 1 ⁇ A A case where the sewing data is created will be described.
  • the controller of the sewing data creation device includes a controller 45 for receiving the input signal of the evening tablet 10, a controller 45, and a signal.
  • a CPU 14 for transmitting and receiving data and generating sewing data, a ROM 22 for storing a program of the CPU 14 and a RAM 24 for temporarily storing sewing data are connected.
  • Step S101 Select the position of N shown in Fig. 1 as one stitch of a continuous series of data for which you want to change the stitch length by using the data Part 1 Select “Single”.
  • the CPU 14 determines the designated needle from the X-axis feed amount and the ⁇ -axis feed amount in the stitch data of the designated needle (the needle corresponding to the position N in Fig. 1).
  • the stitch length and inclination of the stitch are acquired (step S103).
  • the CPU 14 reads from the RAM 24 one stitch immediately before the designated needle in the sewing data before the change from the RAM 24 and acquires the inclination and the stitch length from the X-axis feed amount and the Y-axis feed amount (step S201), the stitch length / inclination of the designated needle obtained in step S103 and the immediately preceding stitch data are the same inclination within a predetermined range (hereinafter referred to as the same inclination). (Step S203), and if the inclination is the same, the designated needle is regarded as the sewing data connected to the immediately preceding stitch data (Step S205).
  • the CPU 14 determines that the needle is included in the arc, circle, and free curve data as a line other than a straight line, and the designated needle and the data of the immediately preceding stitch are discontinuous sewing data. —Consider evening.
  • the CPU 14 determines whether the stitch length of the sewing data of the designated needle and the immediately preceding stitch is within a predetermined range (hereinafter, referred to as the same stitch length). If it is not the same, the previous one stitch is set as the start point of the continuous sewing data (step S211).
  • the reason why the stitch length is different is that the length of the same data cannot be divided by the specified number of stitches. This is for allocation. For example, when a seam length of 10 cm is set to three seams, they are 3.33 cm, 3.33 cm, and 3.34 cm.
  • the CPU 14 obtains the end point in the same manner as the start point of the continuous sewing data, obtains the moving amount of the sewing needle from the start point to the end point, and obtains the sewing data at the designated stitch length. Is recreated, the process of changing the stitch length is completed, and the data is stored in the floppy disk 42 via the controller 45 (step S111).
  • FIG. 6 As shown in Fig. 6, the entire sewing pattern A—B—C—D—A has a stitch length of 5 mm. Is changed to 3 mm (shorter) to create the pattern A1—B1 ⁇ C1 ⁇ D1—A1.
  • the movement amount from the start point to the end point is calculated from the start point to the end point, taking the one stitch where the data exists, and the sewing data is re-created with the specified stitch length “3.0 mm” and the stitch length change processing is performed. After finishing the sewing, the changed sewing data is stored in the floppy disk 42 via the controller 45 (step S3 17).
  • the CPU 14 obtains the stitch length of the start point and the inclination (step S307), and obtains the stitch length and inclination of the needle immediately after the start point. Then, it is judged whether the stitch length is the same or not from the straight line (step S309). If the stitch length is the same, the stitch length Judgment is made as the sewing data, and the coordinate value P1 is obtained with the immediately preceding sewing data as the end point (step S311).
  • the CPU 14 stores the acquired start point coordinate value P 0 and end point coordinate value P 1 in the RAM 24.
  • the start point coordinate value of the second continuous sewing data is the same as the coordinate value of the first end point and is P1, and the coordinate value of the end point is P2.
  • FIGS. As shown in Fig. 8, the entire sewing pattern A ⁇ B—C ⁇ D ⁇ A can be enlarged to pattern A 1 ⁇ B 1 ⁇ C 1 ⁇ D 1 ⁇ A 1 while maintaining the stitch length as it is.
  • the creation of sewing data for reducing the pattern A 2- ⁇ B 2 -C 2 ⁇ D 2 -A 2 will be described.
  • Step S401 select "Change stitch length” in the menu section 1 1 in Fig. 9, and then enter the number "3" to keep the stitch length at the current size with scaling and set the enlargement / reduction ratio.
  • Select "Start” (Step S401).
  • the CPU 14 acquires the coordinate value P0 of the start point (step S403), checks whether sewing data exists behind (step S405), and performs sewing. If there is no data, the process ends. On the other hand, if the sewing data exists behind, the CPU 14 acquires the stitch length / inclination of the start point (step S407).
  • step S409 the stitch length and inclination of the needle immediately after the start point are obtained, and it is determined whether the needle is a straight line or a line other than a straight line as shown in the first embodiment (step S409).
  • the coordinate value P 1 is obtained (step S 4 1 1).
  • the CPU 14 obtains the movement amount from the start point to the end point of the continuous sewing data, and obtains the movement amount at the specified enlargement / reduction ratio (step S415).
  • the sewing data is re-created with the moving amount of the enlarged / reduced data while maintaining the stitch length (step S 4 17).
  • the start point is set to the next needle (end point + 1), and these processes are continuously performed in steps S405 to 415.
  • the stitch length of the entire sewing data is obtained.
  • the seam pattern is enlarged / reduced without changing, and the changed sewing data is stored in the floppy disk 42 via the controller 45 (step S419).
  • the determination means for determining, as the continuous sewing data, a value having substantially the same stitch length value and stitch inclination in the sewing data stored in the storage means.
  • a controller for storing the continuous sewing data determined by the determining means in the storage means, so that straight lines and continuous sewing data of the same type other than the straight lines can be obtained. Therefore, new sewing data can be created according to each of the continuous sewing data, so that there is an effect that calculations and the like become easy.
  • the designating means for designating a part or all of the stitch pattern of the sewing object, and the determining means are the stitches designated by the designating means. Since it is determined that the sewing data is continuous sewing data in the sewing data of the pattern, only the designated portion of the stitch pattern of the workpiece can be obtained as straight lines and continuous sewing data of the same type other than the straight lines. Therefore, there is an effect that it becomes easy to change the sewing data of a part of the stitch pattern.
  • an enlargement / reduction rate input means for inputting an enlargement rate or a reduction rate for enlarging or reducing a stitch pattern based on the sewing data.
  • a coordinate value acquiring means for acquiring start and end points of continuous sewing data, and for obtaining coordinate values of the start point and the end point; and Calculating means for calculating the length of the stitch pattern corresponding to the continuous sewing data, the stitch length of the sewing machine read from the storage means, and the stitch pattern obtained by the calculating means. Since the sewing data changing means for changing the sewing data according to the length is provided, the sewing data can be enlarged or reduced while maintaining the stitch length, so that the sewing object cannot be sufficiently fixed with the thread. There is an effect that it is possible to prevent the sewing machine from sewn over the stitch length of one stitch that the sewing machine can sew, or to prevent the sewing object from being damaged by the sewing needle.
  • a stitch length of the second sewing machine different from the stitch length of the first sewing machine in the sewing process is input.
  • Enlargement / reduction rate input means for inputting a reduction rate
  • coordinate value obtaining means for obtaining start and end points of continuous sewing data and obtaining coordinate values of the start point and end point
  • start point and end point Calculating means for calculating the length of the stitch pattern corresponding to the continuous sewing data based on the coordinate value and the enlargement ratio or the reduction ratio of the second sewing machine read from the storage means; and Change the sewing data according to the stitch pattern length obtained by the calculation means Since the sewing data change means is provided, the sewing data can be enlarged or reduced by designating the stitch length, so that the sewing object cannot be fixed sufficiently with thread or the sewing machine can sew one stitch length. This has the effect of avoiding the generation of data exceeding the limit, and avoiding the sewing object being damaged by the sewing needle.
  • At least the first and second continuous sewing data are provided, and the end point of the first continuous sewing data is determined. Since the start point of the second continuous sewing data is set, a plurality of continuous sewing data can be easily distinguished into the same type of continuous sewing data. Therefore, new sewing data can be created according to the continuous sewing data every time, so that there is an effect that calculation and the like become easy.
  • the sewing data creation device for a sewing machine is suitable for converting existing sewing data for each continuous sewing data.

Abstract

L'invention concerne un dispositif permettant de préparer des données relatives à la couture sur une machine à coudre, qui comprend un système de saisie du type de couture (11), lequel permet de saisir des données comme l'entrée de matériau non porteur de charge, la ligne droite, l'arc, le cercle ou la courbe libre en fonction du type de couture à effectuer sur le matériau visé, un système de saisie des paramètres de couture (12), lequel permet de saisir les coordonnées du point de départ et du point d'arrivée du type de couture et la longueur de type de couture, un système de préparation des données reposant sur les coordonnées, la longueur et le type de couture saisis dans le système de saisie des paramètres (12) et le système de saisie du type de couture (11), et un système de stockage permettant d'enregistrer les données préparées par le système de préparation des données. Le dispositif comprend en outre un système d'évaluation (14) qui évalue la longueur de la couture et la valeur permettant de conserver pratiquement la même inclinaison de la couture sur l'ensemble des données enregistrées dans le système de stockage (24), c'est-à-dire permettant de juger la continuité des données. Il existe enfin une unité de commande permettant d'enregistrer dans l'unité de stockage les données jugées continues par le système d'évaluation.
PCT/JP1998/005629 1998-12-14 1998-12-14 Dispositif de preparation des donnees relatives a la couture sur une machine a coudre WO2000036203A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP1998/005629 WO2000036203A1 (fr) 1998-12-14 1998-12-14 Dispositif de preparation des donnees relatives a la couture sur une machine a coudre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1998/005629 WO2000036203A1 (fr) 1998-12-14 1998-12-14 Dispositif de preparation des donnees relatives a la couture sur une machine a coudre

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WO2000036203A1 true WO2000036203A1 (fr) 2000-06-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1676945A1 (fr) * 2003-10-15 2006-07-05 Shima Seiki Manufacturing, Ltd. Procede, programme et dispositif de creation de donnees de broderie

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62277990A (ja) * 1986-05-24 1987-12-02 プリンスミシン株式会社 ミシンの制御方法
JPH05192465A (ja) * 1992-01-23 1993-08-03 Nippon Denpa Kk 刺繍用運針データ変更装置
JPH0654968A (ja) * 1992-08-07 1994-03-01 Juki Corp 電子サイクルミシン用模様データの糸密度補正方法
JPH0663265A (ja) * 1992-08-25 1994-03-08 Juki Corp ミシンの自動糸繰り出し量調節装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62277990A (ja) * 1986-05-24 1987-12-02 プリンスミシン株式会社 ミシンの制御方法
JPH05192465A (ja) * 1992-01-23 1993-08-03 Nippon Denpa Kk 刺繍用運針データ変更装置
JPH0654968A (ja) * 1992-08-07 1994-03-01 Juki Corp 電子サイクルミシン用模様データの糸密度補正方法
JPH0663265A (ja) * 1992-08-25 1994-03-08 Juki Corp ミシンの自動糸繰り出し量調節装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1676945A1 (fr) * 2003-10-15 2006-07-05 Shima Seiki Manufacturing, Ltd. Procede, programme et dispositif de creation de donnees de broderie
EP1676945A4 (fr) * 2003-10-15 2013-03-20 Shima Seiki Mfg Procede, programme et dispositif de creation de donnees de broderie

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