JPH09108465A - Sewing data preparing device for sewing machine - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily and newly prepare sewing data for changing the specified part of sewing form by finding newly X-axis and Y-axis moving amounts based on the input information of a correction data input means concerning the data block specified by a block specifying means. SOLUTION: A pattern is displayed on a CRT 26 by passing the sewing data stored in a RAM 24 through a CRT controller 46 by a CPU 14, a cross mark is moved, and a switch as a correction instructing means is depressed. Then, the CPU 14 retrieves a stitch number in a stitch data table, the CPU 14 retrieves the number of correspondent straight sewing data block in a block reference table from the stitch number, and the new straight sewing data block corresponding to straight sewing is prepared. In this case, the CPU 14 calculates the X-axis and Y-axis moving amounts, etc., that straight sewing corresponds to the sewing number in the stitch table, the calculation result is stored in the RAM 24, and the CPU 14 arithmetically prepares the new straight sewing data block and the data block of single stitch sewing.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic sewing machine (hereinafter, referred to as a sewing machine) which is adapted to drive a cloth pressing device which holds a material to be sewn according to predetermined sewing data. The present invention relates to an improvement of a sewing data creating device of a sewing machine to be created (hereinafter referred to as a sewing data creating device).

[0002]

2. Description of the Related Art In an industrial sewing machine, a cloth to be sewn is pressed on the basis of sewing data which is preprogrammed and held in a floppy disk (hereinafter referred to as F / D) or the like and which is information on sewing. 2. Description of the Related Art Sewing machines have been put into practical use that move on a certain plane while sandwiching them and automatically sew a predetermined sewing pattern. This sewing machine creates sewing data according to the desired sewing pattern and stores it in the F / D or the like.

The structure of the sewing data created by the conventional sewing data creating apparatus will be described with reference to FIG. FIG.
In this sewing data, the control command (idle feed, sewing) for controlling the sewing machine for each stitch of the sewing machine that forms the sewing pattern, the X-axis feed amount for each stitch, and the Y-axis feed amount are the same. It is configured as a unit. That is, the sewing data is constructed based on the sewing information for each stitch. Therefore, the sewing data is formed as a set of data for each stitch, the first byte is a control command (idle feed data or stitch data), and the second byte is the X-axis feed amount based on the control command. Similarly, the third byte stores the Y-axis feed amount. This one unit of sewing data (stitch data for each stitch) is stored at a predetermined address from the first stitch to the end data.
It is stored in the storage means in the order of input.

[0004]

In the conventional sewing data creating apparatus, a sewing shape is created and each point of this sewing shape is input by the digitizer. However, the sewing data is constructed in units of stitch data for each stitch. However, since the coordinate value of each point is not stored, it is difficult to change the specific portion of the stored sewing data based on this coordinate value. Therefore, there is a first problem that the labor of the operator is great because the sewing shape must be created for each different sewing shape and each point of the sewing shape must be input by the digitizer.

Further, when changing the execution order of the stored sewing data or deleting the stitch data of the sewing data, the execution order of the sewing data cannot be changed, and the stitch data after the deleted stitch data can be changed. I had to move everything. Further, when adding the stitch data, it is necessary to move all the stitch data of the portion to be added in advance.

An object of the present invention is, firstly, to provide a sewing data creating apparatus which can easily create new sewing data for changing a specific portion of the sewing shape based on the sewing data created according to the sewing shape. It is provided.

Secondly, when the stitch data is deleted or added, the sewing data creating apparatus which does not need to create new sewing data by changing only the data to be added or deleted is provided.

[0008]

According to a first aspect of the present invention, there is provided a sewing data creating apparatus for inputting each point of a sewing shape, a stitch length command between the points and a sewing instruction command for specifying a sewing shape. Means, first computing means for computing the coordinate value of each point input by the input means into the X-axis and Y-axis movement amounts, and the sewing instruction command for each coordinate between the two points by the input means, A sewing data creating device for a sewing machine, comprising: a storage means for sequentially storing a data block composed of the X-axis and Y-axis movement amounts converted by the conversion means, wherein at least two points designated by the input means are stored. Block specifying means for inputting and specifying the data block of the storage means, and the sewing command command or the stitches between the points for correcting the data block specified by the block specifying means Correction data input means for inputting the data, and second calculation means for obtaining new X-axis and Y-axis movement amounts of the data block specified by the block specifying means based on the input information of the correction data input means. It is characterized by having and.

The sewing data creating apparatus according to the second invention is
A plurality of data blocks to which addresses are assigned, a pointer table having a table number for instructing the execution order of the data blocks, and an execution address portion for designating an address of the data block to be sewn first in the pointer table. A storage means comprising a next pointer portion in which the table number to be executed next to the address in the execution address portion is stored, and a table number correction means for correcting data in the execution address portion and the next pointer portion. It is characterized by having.

A sewing data creating apparatus according to a third invention is
A plurality of data blocks with numbers corresponding to the addresses, a pointer table having a table number that determines the execution order of the data blocks by the same number as the data block number, and the pointer table includes a table for each data block. It is characterized in that it has a storage means comprising a next pointer portion which corresponds to the numbers in a one-to-one correspondence and which stores the numbers indicating the execution and execution order of each data block.

A sewing data creating apparatus according to a fourth invention is
A plurality of data blocks having numbers corresponding to the addresses, a stitch data table for each stitch in which the sewing data of each data block is converted into stitch data for each stitch according to the execution order of the data blocks, and the above A storage unit storing a block reference table to which the data block number corresponding to the stitch for each stitch is stored, and a correction instruction unit for instructing a correction point of the sewing shape, and the stitch based on the correction instruction unit. The block reference table specifies the corresponding stitch number of the data table, the block reference table specifies the number of the data block, and a creation means for creating two new data blocks according to the stitch number. It is characterized by.

A sewing data creating apparatus according to a fifth aspect of the present invention is
The data block is curve data, and when creating two new data blocks based on the correction instruction means, a new data block is created from the instructed sewing position and the sewing position and any position on the curve. And a curve creating means for creating a simple curve.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. A sewing data creating apparatus according to an embodiment of the present invention will be described with reference to FIGS. 1 to 3, the sewing data creating apparatus includes a digitizer 10 having a pattern input section 13 on which a sewing shape is placed, a menu section 11 for selecting sewing information, and coordinate data and menu section 11 for the sewing type. A cursor 12 as an input means for reading, a reading unit 12a for reading data and a switch 12b for the cursor 12, an F / D unit 18 for writing or reading sewing data in the F / D 42, and various types for creating data. It is composed of a plurality of switches for mode setting, an LED panel 20 including LEDs for displaying the mode and the like, and a CRT 26 for displaying sewing data and the like.

As shown in FIG. 3, the control section of the sewing data creating apparatus uses the digitizer 10 on the system bus via the serial controller 48, the LED panel 20 via the I / O controller 44, and the CRT controller 46. CRT 26, F / D 42 via FDD controller 45, CPU 14 for calculating sewing data, C
The ROM 22 in which the program of the PU 14 is stored and the RA as a storage means for temporarily storing the sewing data and the like.
M24 is connected.

Next, a procedure for creating sewing data by the sewing data creating device will be described. Put the stitch shape shown in FIG. 1 on the pattern input section 13, and set the "seam length" and "2.5 m".
m ”, origin 0 →“ jump feed ”→ point A →“ arc ”→ point B → C
Cursor 12 for selection of menu section 11 and each point of the sewing shape in the order of point → "straight line sewing" → point D → "thread trimming" → "end"
Input with the switch 12b. The straight stitches specify the sewing form, and the same applies to curved stitches and the like.

Next, the operation of creating sewing data from the above input information will be described with reference to the flowchart of FIG. It is determined whether or not the switch 12b of the cursor 12 has been pressed (step S11). If the switch 12b has been pressed, the CPU 14 reads the coordinate data of the digitizer 10 via the serial controller 48 (step S12), and the read data causes the menu section 11 to be read. The CPU 14 determines whether it is the selected one or the coordinate data of each point of the sewing shape (step S13). If the menu data input by the menu section 11 is selected,
The CPU 14 judges the contents of the selected menu (step S15), and the CPU 14 executes the process corresponding to the contents of the selected menu (step S16).

If it is the coordinate data in step S13, the input coordinate value (X0, Y0) of the origin O is set, and the points A, B
Input coordinate value of point, C point (Xa, Xb, Xc, Ya, Yb, Y
c), the X-axis movement amount XLn and the Y-axis movement amount YLn are calculated by the CPU 14 by the formulas XLn = Xn-X0 and YL = Yna-Y0 (first calculation means), and the X-axis movement amount X
Ln and Y-axis movement amount YLn are obtained (step S18). Note that n = a, b, c, ... Next, the control command and X
The axis movement amount XLn and the Y-axis movement amount YLn are sequentially written in the RAM 24, and the written control command, the X-axis movement amount XLn, and Y are written.
One data block shown in FIG. 5 is created from the axial movement amount YLn and the stitch length, and a process of displaying it on the LED panel 20 is executed (step S19), and the completed sewing data is displayed on the CRT 26 for confirmation. RAM for this sewing data
The data is written and saved in 24 (step 20), and the process ends.

The sewing data stored in the RAM 24 is shown in FIG.
It will be explained by. In FIG. 5, this sewing data is divided into data blocks in which each operation of the sewing pattern is made one unit, and the jump feed data block, arc sewing data block, straight line sewing data block, and control command block are input in order from the top. They are stored in order. At the beginning of the preset address, the jump feed code is sent as the jump feed data block from the origin O to the point A without sewing,
X-axis and Y-axis movement amount of movement distance between OA, address 8
A circular arc sewing data block stores the circular arc sewing code, the X-axis and Y-axis movement amounts between points, and the like.

Next, the stitch length of the arc ABC of the sewing pattern is changed from 2.5 mm to 3 by using the sewing data creating device.
The operation of correcting to mm will be described. "Correction of stitch length", "stitch length", and "3.0 mm" in the menu section 11 are pressed by the switch 12b as the correction data input means of the cursor 12, and based on the sewing data stored in the RAM 24 in the CRT 26. , The sewing pattern is displayed as shown in FIG. As a block specifying means of the menu section 11, "A" →
By pressing "B" → "C" with the switch 12b, the arc data block numbers 2 and 3 stored in the RAM 24 corresponding to the points A, B and C of the sewing pattern are read out, and this data block is read. Number X-axis movement amount XLn and Y
The CPU 14 calculates the coordinate value of each point based on the axial movement amount YLn (second calculation means), and the CPU 14 calculates a new stitch number and writes and saves it in the RAM 24.

Embodiment 2 Another embodiment of the present invention will be described with reference to FIG. The order of "seam length""2.5mm" in the menu section 11, origin 0 → "jump feed" → point A → point B → point C, "thread trimming" → point D → "straight stitch" → "end" Then, press the switch 12b of the cursor 12 to input each point.

As in the first embodiment, the flow chart shown in FIG. 4 is executed to create sewing data corresponding to the above-mentioned sewing pattern and store it in the RAM 24. As shown in FIG. 6, this sewing data is divided into data blocks consisting of an idle feed block, a sewing block and a control command block, and each data block is stored in the RAM 24 with a block address.

The sewing data stored in the RAM 24 is fed from the origin O to the point A, and the quadrangle formed by the points A → B → C → D → A is linearly sewn. The execution order of the data blocks of the sewing data is corrected using the pointer table shown below so that the thread cutting operation is performed.

The pointer table is sequentially numbered from 1 for instructing the sewing order of the data blocks. This pointer table has an execution address section for instructing the address number of the data block to be sewn first. , A next pointer portion for designating an address number of a data block to be sewn next. If there is no data block to be sewn next, "FFFF" is stored in the data of the next pointer portion.

The operation of sewing a cloth with a sewing machine using the sewing data and the pointer table shown in FIG. 6 will be described. First, the CPU 14 reads the data 0 of the execution address portion having the pointer table number 1 of the RAM 24, and based on this data 0, the idle feed data block OA of the address 0 causes the sewing machine to perform the idle feed operation from the point O to the point A. After this operation is completed, the CPU 14 reads the data 2 of the next pointer portion at the next pointer table number 1, and shifts to the pointer table number 2.

Based on the data 8 of the execution address portion of the number 2, the linear sewing data block AB of the address 8
Is read by the CPU 14 and the sewing machine is moved along with the X-axis and Y-axis movement amounts and the stitch length (hereinafter referred to as the X-axis movement amount).
Based on the above, linear sewing operation is performed from point A to point B. Next, the data 3 of the next pointer portion in No. 2 is stored in the CPU.
14 reads and moves to the pointer table number 3, and the linear stitching data block BC of the address 16 is read by the CPU 14 based on the data 16 of the execution address portion in this number 3.
Is read, and the sewing machine is sewn linearly from point B to point C based on the X-axis movement amount and the like.

Next, the CPU 14 reads the data 4 of the next pointer portion in the No. 3 and shifts to the pointer table number 4, and the linear stitching data block CD of the address 24 is based on the data 24 of the execution address portion in the number 4. The CPU 14 reads it and performs a linear sewing operation on the sewing machine from the point C to the point D based on the X-axis movement amount and the like.
CP the data 6 of the next pointer part in this No. 4
U14 reads and moves to pointer table number 6,
Based on the data 40 of the execution address portion of the number 6, the linear stitching data block DA of the address 40 is processed by the CPU.
14 reads the sewing machine and D
Straight stitch operation is performed from point A to point A. Next, the CPU 14 reads the data 5 of the next pointer portion in No. 6 and shifts to the pointer table number 5, and the address 3 based on the data 32 of the execution address portion in this number 5.
The CPU 14 reads the control command block No. 2 and causes the sewing machine to perform thread cutting operation. Since the data of the next pointer portion of No. 5 is "FFFF", the execution of this sewing data is completed.

Next, using the above sewing data creating apparatus,
The operation of deleting the thread trimming of the sewing pattern and obtaining the sewing data based on the sewing pattern with the other patterns unchanged will be described with reference to FIGS. 2 and 6. The sewing pattern based on the sewing data stored in the RAM 24 is displayed on the CRT 26,
By pressing "correction", "thread trimming", and "block deletion" in the menu section 11, the cursor 12 is moved to the thread cutting point, and this point is input by pressing the switch 12b. CPU14 is address 3 of the sewing data in which the thread trimming block is stored.
2 is specified, the thread trimming code of this address 32 is cleared, the fifth in the pointer table stored in the address 32 of the execution address part is searched, and the data of the execution address part and the next pointer part of this number are retrieved. clear.

Next, the CPU 14 retrieves the number 6 in the pointer table in which the number 5 in the next pointer portion is stored, and stores "FFFF" data as an end command in the next pointer portion in the pointer table of this number. By the above operation, the pointer table after the thread trimming block is deleted is as shown in FIG. That is, even if the thread trimming block is deleted, it is not necessary to change the straight line sewing data block DA after the thread trimming.

Embodiment 3 Another embodiment of the present invention is an improvement of the pointer table of the second embodiment and will be described with reference to FIG. In FIG. 7, the data blocks are numbered from 1 to 6, and the same number is assigned to the data block having this number in a one-to-one correspondence, and this pointer table is to be sewn next. A pointer table number assigned with numbers 0 to 6 corresponding to the data blocks, and a next pointer unit corresponding to each data block one-to-one and instructing execution and execution order of each data block are provided. RAM24
Is stored in

The 0th next pointer portion of the pointer table stores the number of the data block to be sewn first, and if there is no data block to be sewn, the data of the next pointer portion is "FFFF". Is stored.

The operation of sewing the cloth with the sewing machine using the sewing data will be described. First, the CPU 14 reads the data 1 in the next pointer portion of the pointer table number 0, and the sewing machine performs idle feed operation based on the idle feed data block of the data block number 1. The data 2 of the next pointer portion of the pointer table number 1 of this number 1 is stored in the CPU 1
4 reads, and the sewing machine performs the linear sewing operation from the point A to the point B based on the linear sewing data block AB of the data block number 2. As described above, since the execution order of each data block can be changed by assigning numbers to the pointer table and the data blocks, a desired sewing pattern can be obtained within the range of the original sewing data.

Next, using the sewing data creating device,
An operation of deleting only the thread trimming of the sewing pattern and obtaining the sewing data based on the sewing pattern with the other patterns unchanged will be described with reference to FIGS. 2 and 7. Similar to the second embodiment, the cursor 12 is moved to the thread cutting point, and this point is switched to the switch 12b.
Press to enter. The CPU 14 designates the address 32 of the sewing data in which the thread trimming block is stored, clears the thread trimming code of this address 32, and the pointer table 5 stored in the address 32 of the execution address portion.
The data of the next pointer section of No. is cleared, then the next pointer section No. 5 is searched, and "F
FFF ”is stored.

The pointer table after the thread trimming block is deleted by the above operation is as shown in FIG. 7 (c).
That is, while having the same effect as in the second embodiment,
Since the execution address portion provided in the second embodiment in the structure of the pointer table can be omitted, the usage amount of the RAM 24 can be reduced. It should be noted that the ratio N / A of the number of bits between the execution address portion A and the next pointer portion N in the second embodiment.
Since the data block is 1 byte, 1/3
Becomes Therefore, in the third embodiment, since the execution address part having a large number of bits can be omitted, the storage capacity of the RAM 24 can be significantly reduced.

Embodiment 4 In the first to third embodiments, only the sewing data can be modified in units of data blocks, and the sewing data in the data blocks cannot be modified. Another embodiment of the present invention solves this problem.

FIG. 8A shows pattern data composed of an idle feed portion OA and a straight stitch portion AB. This pattern data is composed of an idle feed data block and a straight stitch data block and is stored in the RAM 24.

First, in the RAM 24, the sewing data shown in FIG. 8 and, as shown in FIG. 9, the data blocks in which the sewing data are numbered 1 and 2, and each data block are stored in accordance with the sewing order. A stitch data table for each stitch shown in FIG. 9B converted into stitch data for each stitch, and a block reference table that associates the stitch data for each stitch with a block are provided.

Next, in this sewing data, as shown in FIG. 8 (b), a one-needle stitched portion P is formed at a point P in the middle of the straight stitched portion AB.
The operation when Q is added will be described. The sewing data stored in the RAM 24 as the pattern data is displayed by the CPU 14 on the CRT 28 via the CRT controller 46. At the point P of the displayed pattern, "correction" of the menu section 11 is selected by the switch 12b of the cursor 12 to display a cross mark, and the cross mark is moved by "inching +" of the menu section 11 to sew. The switch 12b serving as the correction instruction means for the point P is pressed.

This point P is searched by the CPU 14 for the stitch number 11 of the stitch data table, and the CPU 14 retrieves the number 2 of the corresponding linear stitching data block of the block reference table from the stitch number 11 to newly create the straight stitch. AP
And a straight line stitching data block AP corresponding to the straight line stitching QB and a straight line stitching data block QB are created in the same manner as in the first embodiment. In addition, the linear stitching AP calculates the X-axis movement amount and the like corresponding to the stitch numbers 8 to 11 of the stitch table by the CPU 1.
4 calculates and the linear stitching QP also calculates the X-axis movement amount and the like corresponding to the stitch numbers 13 to 16 of the stitch table by the CPU 14
Is stored in the RAM 24, and a new linear stitching data block AP, a straight stitching data block QB, and a one-needle stitching data block PQ corresponding to one stitching portion PQ at the stitch point P are stored in the CPU 14. Is calculated and shown in FIG.
It is created as shown in FIG.

Further, the stitch data table for each stitch shown in FIG. 9 (b) in which each data block of the sewing data in FIG. 9 (a) is converted into stitch data for each stitch by the converting means, and this stitch data table The CPU 14 newly creates a block reference table corresponding to each stitch data and block. It is possible to determine the sewing order of each data block created as described above by using the pointer table according to the third embodiment and create the sewing data corresponding to FIG. 8B.

Embodiment 5. Another embodiment of the present invention will be described with reference to FIG. In this embodiment, in the fourth embodiment, another data block (data block for one-needle stitching) is added to the data block for straight stitching, the data block for straight stitching is divided, and two new data blocks are created. However, in this embodiment, another data block is added to the data block for curve sewing, the data block for curve sewing is divided, and two new data blocks are created.

In FIG. 10, the sewing pattern of the original sewing data is a new sewing when a new arc sewing AP and a new arc sewing QC are created by adding a single stitch to the point P of the arc sewing ABC as a curve. The original sewing data is processed without creating a shape to create an arc data block corresponding to new arc sewing AP, QC.

This embodiment will be described focusing on the points different from the fourth embodiment. As described above, the point P is the number of stitch data created by the circular arc stitching data ABC.
Since U14 can be detected, the distance AP can be obtained by accumulating the X-axis and Y-axis movement amounts of the stitch data from the point A to the point P. If the distance AP is obtained, the distance AC− of the original arc ABC can be obtained. Distance AP = distance QC can be obtained.

However, since the circular arc AP and the circular arc QC cannot be obtained only by the distance AP and the distance QC, an arbitrary R point is set on the circular arc AP and an arbitrary S point is similarly set on the circular arc QC, and this circular arc is set. create.

The distance AR is obtained by integrating the X-axis and Y-axis movement amounts of the stitch data from the R point to the A point, and the arc sewing data corresponding to the new arc ARP is obtained from the sewing data block of the original arc ABC. The CPU 14 creates the block ARP by the curve creating means.

Similarly, the X-axis and Y-axis movement amounts of the stitch data from the S point to the Q point are integrated to obtain the distance QS, and a new arc QSC is obtained from the sewing data block of the original arc ABC.
The CPU 14 creates a circular arc sewing data block QSC corresponding to the above by the curve creating means. These arc sewing data blocks ARP and QSC are stored in RAM2 as shown in FIG.
4 is stored.

[0046]

As described above, according to the first aspect of the invention, a new sewing operation such as changing a specific portion of the sewing shape or enlarging / reducing the sewing shape is performed based on the sewing data created according to the sewing shape. There is an effect that it is easy to create data.

According to the second invention, in addition to the effect of the first invention, the sewing data can be executed by determining the execution order of the data blocks, and when the stitch data is deleted or added, the object of addition or deletion Since only the data can be changed, there is an effect that the sewing data can be created without creating a new sewing shape.

According to the third invention, in addition to the effect of the second invention, there is an effect that the capacity of the RAM serving as the main memory can be reduced.

According to the fourth invention, in addition to the effect of the third invention, a new data block can be added or deleted in the data block of the sewing data, so that a specific portion of the sewing shape is not changed. Moreover, there is an effect that it is easy to create new sewing data.

According to the fifth invention, in addition to the effect of the fourth invention, even if the data block of the sewing data is a curve, a new data block can be added or deleted in this data block, so that a specific portion of the sewing shape can be specified. Without making any changes,
There is an effect that it is easy to create new sewing data.

[Brief description of the drawings]

FIG. 1 is a perspective view of a sewing data creation device according to an embodiment of the present invention.

FIG. 2 is a detailed view of a menu unit and a cursor in FIG.

FIG. 3 is a connection diagram showing an internal configuration of FIG.

FIG. 4 is a flowchart of the sewing data creation device of FIG.

5 is a configuration diagram of the sewing data of FIG. 1. FIG.

FIG. 6 is a configuration diagram of sewing data according to another embodiment of the present invention.

FIG. 7 is a configuration diagram of sewing data according to another embodiment of the present invention.

FIG. 8 is a configuration diagram of sewing data according to another embodiment of the present invention.

FIG. 9 is a configuration diagram of sewing data after correction according to another embodiment of the present invention.

FIG. 10 is a configuration diagram of sewing data after correction according to another embodiment of the present invention.

FIG. 11 is a configuration diagram of sewing data of a conventional sewing machine.

[Explanation of symbols]

10 digitizer, 11 menu section, 12 cursor, 12a reading section, 12b switch section, 13
Pattern input section, 14 CPU, 22 ROM, 24 R
AM, 42 F / D

Claims (5)

[Claims] 1. Input means for inputting each point of a sewing shape, a stitching command command for specifying a stitch length between the points and a sewing form, and coordinate values of each point input by the input means. First computing means for computing X-axis and Y-axis movement amounts,
Sewing data of the sewing machine including storage means for sequentially storing as a data block consisting of the sewing command command for each coordinate between two points by the input means and the X-axis and Y-axis movement amounts converted by the conversion means. A creation device, wherein at least two points designated by the input means are input to identify a data block of the storage means, and the sewing is performed to correct the data block identified by the block identification means. A command data or a correction data input means for inputting the stitch length between the points and the data block specified by the block specifying means are added to a new X-axis and a new X-axis based on the input information of the correction data input means. A sewing data creating device for a sewing machine, comprising: a second calculation means for obtaining a Y-axis movement amount. 2. A plurality of data blocks with addresses, a pointer table having a table number for instructing the execution order of the data blocks, and the pointer table specifies the address of the data block to be sewn first. Storage means comprising an execution address part to be executed and a next pointer part storing the table number to be executed next to the address of the execution address part, and a table for correcting the data in the execution address part and the next pointer part. 2. A sewing data creating device for a sewing machine according to claim 1, further comprising a number correcting means. 3. A plurality of data blocks each having a number corresponding to an address, a pointer table having a table number for determining an execution order of the data blocks by the same number as the data block number, and the pointer table, Storage means comprising a next pointer section that has a one-to-one correspondence with the number of each data block and stores a number indicating the execution and execution order of each data block. Item 2. A sewing data creating device for a sewing machine according to item 2. 4. A plurality of data blocks with numbers corresponding to addresses, and stitches for each stitch converted into sewing data for each stitch in accordance with the execution order of the data blocks. A data table and a storage unit that stores a block reference table to which the data block numbers corresponding to the stitches of each stitch are stored are provided, and a correction instruction unit that indicates a correction point of the sewing shape and the correction instruction Creating means for designating a corresponding stitch number of the stitch data table based on the means, the block reference table specifying the number of the data block, and creating two new data blocks according to the stitch number. 4. The sewing data creating device for a sewing machine according to claim 3, further comprising: 5. The data block is curve data, and when creating two new data blocks based on the correction instructing means, the instructed sewing position, the sewing position and an arbitrary curve 5. The sewing data creating device for the sewing machine according to claim 4, further comprising: a curve creating means for creating a new curve from the position of.