JPH04227295A - Sewing system that can sew letters - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sewing system capable of sewing characters.

0002

[Prior Art] Conventionally, in a sewing machine for embroidering characters such as kanji, when a code consisting of 4-digit numbers and alphabets corresponding to each character is inputted from the operating section, the machine embroiders the characters. Sewing data is read from the storage device, and embroidery is performed based on the sewing data.

0003

[Problems to be Solved by the Invention] However, this conventional sewing machine has the problem that it is necessary to search and input the code corresponding to each character from a code list, which is extremely time consuming.

The present invention has been made to solve the above-mentioned problems, and its purpose is to provide a sewing system that can easily search for homonymous characters and quickly sew homonymous characters. It is about providing.

[0005]

[Means for Solving the Problems] To achieve this object, the present invention includes a needle that is moved up and down across a work cloth support surface to form a stitch in the work cloth on the work cloth support surface. a seam forming device that applies feed to the work cloth on the work cloth support surface; a first selection means having a plurality of character group array sections in which each character is displayed in separate sections, and a specifying means for specifying an arbitrary character group arrangement section; and each of the character section display sections of the character group arrangement section. and a second selection means for selecting a desired character from the character group assigned to the character group array section designated by the means, based on the designation of the individual designation section. and a control means for reading sewing data corresponding to the character selected by the second selection means from the storage means and controlling the operation of the seam forming device and the work cloth feeding device based on the sewing data. It is equipped with

[0006]

[Operation] In the present invention having the above configuration, first, the specifying means of the first selection means specifies the character group array section in which the desired character is displayed together with other homophones, and then , by the individual specification part of the second selection means,
A desired character is selected from the character group assigned to the character group array section designated by the first selection means, sewing data corresponding to the selected character is read from the storage means, and stitches are sewn based on the sewing data. Controls the operation of the forming device and the feed device for the work cloth.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment embodying the present invention will be described below with reference to the drawings.

As shown in FIG. 2, an arm portion 3 of the sewing machine is placed on the work cloth support surface 2 of the sewing machine table 1, and a sewing machine main shaft (not shown) is rotatably driven on the right side of the arm portion 3. A sewing machine motor 4 for this purpose is attached. A needle bar 6 is attached to the left side of the arm portion 3 and has a needle 5 at its lower end and is moved up and down as the main shaft of the sewing machine rotates. A thread ring catcher (not shown) is built into the sewing machine table 1 so as to face the needle 5 and cooperates with the needle 5 to form a stitch on the work cloth W on the work cloth support surface 2. The thread loop catcher and the needle 5 constitute a stitch forming device.

Below the needle 5, the work cloth support surface 2
A feeding device 8 equipped with a ring holding frame 7 for holding the work cloth W is disposed above. This feeding device 8 is moved in the front-back direction (Y direction) and the left-right direction (X direction) by a pair of pulse motors (not shown) that are rotationally driven in synchronization with the vertical movement of the needle 5. Feed is applied to the work cloth W.

Further, on the sewing machine table 1, there is a tablet board 40 and an input pen 4 as a specifying means of the present invention.
1 is arranged. Also, on the sewing machine table 1 there is a C
A display device 45 consisting of an RT display is provided, and a floppy disk 28 and a power switch 32 are arranged on the side of the sewing machine table 1.

As shown in FIG. 3, a plurality of character group array sections 42 are arranged in sections on the tablet board 40, and each character group arrangement section 42 is sectioned with various homonymous characters one by one. They are arranged in groups of multiple items. Each character group arrangement section 42 on the tablet board 40
Various function keys 43 are arranged behind the character group arrangement part 42, and a character designation part 44, which is an individual designation part of the present invention, is provided having a section area that is substantially the same as one character group arrangement part 42. . Further, within this character specifying section 44, there is provided a divided area corresponding to the divided area of each character in each character group arrangement section 42, and within each divided area, there are from "1" to "
9'' numbers are arranged.

After specifying one character group array section 42 with the input pen 41, by specifying one number in the character specifying section 42, one of the nine homophone character groups is selected. One character is designated and input, and that character is displayed on the display device 45. In addition, after each character is displayed, the input pen 41 is used to
By specifying the numbers inside, you can input the scaling ratio of each character in the front, back, left, and right directions.

A sewing position input area 44 is provided on the right side of the character group arrangement section 42 and is made up of a pair of coordinate axes X, Y that are perpendicular to each other and a circle C centered on the intersection of both coordinate axes X, Y. By specifying a sewing position within the sewing position input area 44 using the input pen 41, its coordinate data is input and displayed on the display device 45.

Next, the electrical configuration of this embodiment will be explained. As shown in FIG. 1, a central processing unit (CPU) 20 constituting a control means includes a random access memory (
RAM) 21 and read-only memory (ROM) 22
is connected. The CPU 20 outputs a drive signal to the sewing machine motor 4 via an input/output interface 23 and a sewing machine motor drive circuit 24. Therefore, the sewing machine main shaft is rotationally driven by the sewing machine motor 4, and the stitch forming device is operated.

Further, in the vicinity of the sewing machine motor 4, a detection device 25 is provided on the arm portion 3 of the sewing machine for detecting the needle up position corresponding to the top dead center and the needle down position corresponding to the bottom dead center of the needle 5. is attached, and the detection signal output from the detection device 25 is transmitted to the input/output interface 23.
The information is input to the CPU 20 via the .

Based on the detection signal from the detection device 25, the CPU 20 outputs a drive signal to a pair of pulse motors (not shown) of the feed device 8 via the input/output interface 23 and the drive circuit 26. Thereby, the needle 5
The feeding device 8 is operated in a state in which the work cloth W has come out upward from the work cloth W.

On the other hand, the CPU 20 is connected to a floppy disk drive 27 via an input/output interface 23.
is connected to the floppy disk drive device 27, and a floppy disk 28 is removably attached to the floppy disk drive device 27. This floppy disk 28 stores sewing data corresponding to code data such as various kanji, hiragana, katakana, alphabet letters, and numbers.

Furthermore, the tablet board 40, the input pen 41, and the display device 45 are connected to the input/output interface 23.
It is connected to the CPU 20 via. Therefore, if any one number in the character specification field 42 is specified, the CPU
20 operates the floppy disk drive device 27 to read sewing data corresponding to the character from the floppy disk 28 and store it in the RAM 21;
The characters are displayed on the display device 45 via the interface 23.

In this embodiment, after selecting a character, by specifying a number in the character designation area 44 with the input pen 41, it is possible to input the enlargement/reduction ratio of each character in the front, back, left and right directions. Then, when the enlargement rate or reduction rate in each direction is input, the CPU 20 sends the enlargement rate data or reduction rate data together with the sewing data to the RA.
Store in M21.

[0020] Also, after storing the enlargement rate or reduction rate,
The CPU 20 causes the display device 45 to display a prompt for inputting coordinates (X, Y coordinates with the needle drop point as the origin) indicating the sewing position. In this state, when sewing coordinates are input using the input pen 41 within the sewing position input area 44, the CPU 2
0 stores the coordinate data together with the sewing data etc. in RAM2.
Store in 1.

Next, the operation of the sewing machine constructed as described above will be explained with reference to FIGS. 4 to 6. First, in step S2 of FIG. 4, when the power switch 32 shown in FIG. 2 is turned on, the sewing machine or the like is powered on. Thereafter, when one character group arrangement section 42 in which desired characters are arranged is specified using the input pen 41, the determination result in step S3 becomes YES. Next, 1 in the character designation section 44 corresponding to the desired character.
When the number is specified using the input pen 41, the determination result in step S4 becomes YES.

Subsequently, when the enter key in the function key group 43 is designated with the input pen 41, the determination result in step S5 becomes YES, and the CPU 20 causes the display device 45 to display the character.

Next, the CPU 20 operates the floppy disk drive device 27, reads out the sewing data corresponding to the kanji from the floppy disk 28, and stores the sewing data in the RA.
Store in M21. Next, the CPU 20 causes the display device 45 to display the selected kanji and a symbol prompting the user to input the scaling ratio in both the X and Y directions.

[0024] Next, in step S8, when an enlargement/reduction ratio is input by specifying a number in the character designation section 44 with the input pen 41, the CPU 20 displays the enlargement/reduction ratio on the display device 45 in the next step S9. . Then, when the enter key 43 is designated by the input pen 41 in step S10, in the next step S11, the CPU 20 generates sewing data for scaling, that is, stitch count data, from the scaling ratio and the sewing data stored in the RAM 21. and calculates feed control data. When this calculation is completed, the CPU 20 displays "Completion of calculation" on the display device 45.

Next, in step S13, it is determined whether coordinates for specifying the sewing position of the character have been input. At this time, the CPU 20 displays on the display device 45 a prompt to input coordinates. Therefore, when sewing coordinates are input using the input pen 41 within the sewing position input area 44, they are displayed in step S14. Next, when the enter key 43 is designated twice by the input pen 41 in step S15, the CPU 20 determines whether sewing is possible based on the sewing data, coordinate data, etc. in step S17, and the result is YES. In this case, the next step S1
Step 8 causes the display device 10 to display "Sewing possible". On the other hand, if the answer is NO, "sewing is not possible" is displayed in step S26.

After setting the work cloth W in the holding frame 7 with the "sewing possible" display displayed, step S19
When the start switch 43 is designated by the input pen 41 in the step S20, the CPU 20 drives the sewing machine motor 4 and the feed device 8, and the sewing operation of the sewing machine is executed in step S20. Then, "sewing in progress" is displayed in step S21 until the determination result in step S22 becomes YES. After one character has been sewn, the operation of the sewing machine is stopped in step S23.

Then, in step S24, a display is displayed for selecting whether to continue sewing or to end sewing. here,
When continuation of sewing is selected by specifying the number key "2" in the character specifying section 42 with the input pen 41, the process returns to step S19, and from step S19 to step S
The processes up to 24 are repeated. Therefore, sewing can be repeatedly performed based on the sewing data. on the other hand,"
When the numeric key "1" is designated to select the end of sewing, the sewing based on the sewing data is completed.

As described above, in this embodiment, character data to be sewn can be easily searched for in a short time using the tablet board 40 and the input pen.

[0029]

Effects of the Invention As described in detail above, the present invention makes it possible to easily select from a large number of character groups a character group array section in which homonymous character groups are displayed by the specifying means of the first selection means; Since characters to be further sewn can be easily selected from the selected character group arrangement section using the individual designation section of the second selection means, an excellent effect is achieved in that the characters can be sewn extremely quickly.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an electrical configuration of a sewing machine, showing an embodiment embodying the present invention.

FIG. 2 is a perspective view of the sewing machine.

FIG. 3 is a plan view of the tablet board.

FIG. 4 is a flowchart of the operation.

FIG. 5 is a flowchart of the operation.

FIG. 6 is a flowchart of the operation.

[Explanation of symbols]

1 Sewing machine table 2 Processed fabric support surface 5 needle 20 CPU 28 Floppy disk 40 Tablet board 41 Input pen 42 Character group array part 44 Character specification section W Processed cloth

Claims (1)

[Claims] 1. A stitch forming device that includes a needle (5) that is moved up and down across a work cloth support surface (2) and forms a stitch in a work cloth W on the work cloth support surface (2). , a feeding device (8) for imparting feed to the work cloth W on the work cloth support surface (2), and a feed device (8) for imparting feed to the work cloth W on the work cloth support surface (2); a first selection means having a plurality of character group array sections (42) in which each character is displayed in a section and a designation means (41) for specifying an arbitrary character group array section; It has an individual designation part (44) corresponding to each of the character section display parts of (42), and based on the designation of the individual designation part (44), the designation means (4)
a second selection means for selecting a desired character from the character group assigned to the character group array section (42) specified by 1); and sewing corresponding to the character selected by the second selection means. reading data from the storage means 28;
A control means (20) that controls the operation of the seam forming device and the feed device (8) for the work cloth W based on the sewing data.
A sewing system capable of sewing characters, characterized by comprising: