JPS6249885A - Sewing machine capable of stitching character and pattern - 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 (Field of Industrial Application) The present invention relates to a sewing machine capable of sewing characters, patterns, etc.

(Prior art and problems to be solved by the invention) Conventionally,
In a sewing machine for embroidering characters such as alphabets and kanji, when a code consisting of 4-digit numbers and alphabets corresponding to each character is entered from the operation unit, the sewing data corresponding to that code is stored in the memory. The sewing data is read out from the sewing machine, and embroidery is performed based on the sewing data.

However, this conventional sewing machine has a problem in that it is necessary to manually search for the code corresponding to each character from a code list, which is very time-consuming.

(Object of the Invention) The present invention was made to solve the above-mentioned problems, and its purpose is to provide characters and characters that can be easily searched for sewing elements such as characters or patterns to be sewn in a short time. To provide a sewing machine capable of sewing patterns, etc.

(Means and effects for solving the problem) In order to achieve the above object, the present invention includes a needle that is moved up and down across the work cloth support surface, and the work cloth on the work cloth support surface is moved vertically across the work cloth support surface. A stitch forming device that forms stitches, a feeding device that feeds the work cloth on the work cloth support surface, a sewing element array section in which sewing elements such as various characters and patterns are arranged and displayed, and sewing thereof. an input device having a designation member for designating one sewing element on the element array section; a storage means for storing sewing data corresponding to each sewing element; and a storage means corresponding to the sewing element designated by the input device. and control means for controlling the operations of the stitch forming device and the feeding device based on sewing data.

Therefore, when a sewing element on the sewing element array section is designated by the designation member, the control means reads out sewing data corresponding to the designated sewing element from the storage means, and based on the sewing data, the stitch forming device and the Controls the operation of the feeder.

(Example) An example 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 on the right side of the arm portion 3 is a shaft for rotating the main shaft (not shown) of the sewing machine. A sewing machine motor 4 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 loop catcher (not shown) is provided on the sewing machine table 1 so as to face the needle 5, and cooperates with the needle 5 to form a stitch in the work cloth W on the work cloth support surface 2. The thread loop catcher and the needle 5 constitute a stitch forming device.

A feeding device 8 having a ring-shaped holding frame 7 for holding the work cloth W is disposed below the needle 5 on the work cloth support surface 2 . 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.

On the upper surface of the right side of the sewing machine table 1, a tablet board 9 and an input pen 10 as a designating member are disposed, and a display device 11 consisting of a CRT display is disposed. A sewing element array section 12 is provided on the tablet board 9, and in the array section 12, sewing elements 13 such as various characters and patterns are arranged and displayed in a state where each element is partitioned. By specifying one sewing element 13 with the input pen 10, that sewing element 13 is displayed on the display device 11. Note that the tablet board 9 and the input pen 10 constitute an input device I.

A sewing position entry canister 14 is provided on the right side of the sewing element array section 12, and is formed of a pair of coordinate axes X and Y that are orthogonal to each other, and a circle C centered on the intersection of both the coordinate axes X and Y.
By specifying a sewing position using the input pen 10 within the sewing position entry canister 14, the coordinate data thereof is input and displayed on the display device 11.

Furthermore, various function keys 15 and numeric keys 16 from "1" to "9" are arranged on the rear side of the TA element array section 12.

Next, the electrical configuration of this embodiment will be explained. 1st
20 shown in the figure is a central processing unit (CP) constituting the control means.
U), the CPU 20 includes a random access memory (RAM) 21 and a read-only memory (
ROM) 22 is connected. The ROM 22 includes a data editing program for creating sewing element data by combining various sewing elements, a data registration program for storing the data in the Fronbi disk 28, and a sewing program based on the stored data. Various control programs such as sewing programs for performing the above are stored. Then, the numeric key 16 is pressed by the input pen 10.
By specifying , the various programs described above are selected, and the CPU 20 sets a mode corresponding to the program.

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 counted position of the needle 5 corresponding to the top dead center and the needle lower position corresponding to the bottom dead center.
is attached, and a detection signal output from the detection device 25 is input to the CPU 20 via the input/output interface 23.

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 feeding device 8 via the input/output interface 23 and the drive circuit 26. As a result, the feeding device 8 is operated in a state in which the needle 5 is pulled upward from the work cloth W.

On the other hand, the CPU 20 has an input/output interface 23.
A floppy disk drive device 27 is connected via the
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 of various sewing elements consisting of various kanji, hiragana, katakana, alphabet letters, numbers, patterns, and the like.

Then, with the data editing mode set, one sewing element 13 is specified by the input pen 10,
When the code data corresponding to the sewing element 13 is input, the CPU 20 reads the sewing data corresponding to the code data from the floppy disk 28 and temporarily stores it in the RAM 21.

Next, the operation of the sewing machine configured as described above will be explained. First, when the power is turned on to the sewing machine in step S1 shown in FIG. 4(a), the CPU 20 displays on the display device 11 a menu for selecting each program shown in FIG. 5(a). Here, when a data editing program is selected by specifying the numerical keys 16 on the tablet board 9 with the input pen 10, the CPU 20 sets the data editing mode.

Then, the CPU 20 displays a framework F for creating a data list shown in FIG. 5(b).

Next, in step S4 shown in FIG. 4, when one sewing element 13 on the sewing element array section 12 of the tablet board 9 is designated by the input pen 10, the determination result is YES.
become. Next, in step S5, press function key 15.
When the enter key 153 is specified using the input pen 10, the determination result becomes YES. Thereby, the CPO 20 selects the specified sewing element 13 in FIG.
), the sewing data corresponding to the ms element 13 is read out from the floppy disk 28 and stored in the RAM 21.

The processes from step 84 to step S6 described above are repeated until the end key 15b of the function keys 15 is designated in the next step S7, and the combination data of the hI element 13 is created based on the repeated operation. At the same time, the sewing elements 13 are displayed within the framework F in the designated order.

Next, the process advances to step S8 shown in FIG. 4(c), and the CPU
Reference numeral 20 makes a determination to specify the shape of the input canister of the sewing element, that is, it is determined whether either the box key 15c or the circle key 15d of the function keys 15 has been operated, and the box key 15c
When operating, the boxed canilia setting mode is set. Therefore, in the next step S9, when two points separated from each other on the sewing position entry canister 14 are specified and inputted by the input pen IO, the process proceeds to step SIO and the CP
Based on the coordinates of the two points, U20 sets an area surrounded by four straight lines extending parallel to the coordinate axes X and Y through the two points as a box-shaped sewing area Ab, and as shown in FIG. 5(c). The box-shaped sewing area A is shown by the dotted line.
b is displayed on the display device 1 along with the first data (“love” in this embodiment) of the input sewing elements.
Display it on 1.

On the other hand, when the circle key 15d of the function keys 15 is designated and inputted using the input pen 10 in step S8, the circle-entering canier setting mode is set. Therefore, in the next step Sll, the input pen 10
When two points spaced apart from each other on the sewing position entry canister 14 are designated and inputted by C, the process proceeds to step S12.
Based on the coordinates of the two points, the PU 20 sets a circular BL area Ac centered on one point and passing through the other point,
Then, as shown by the two-dot chain line in FIG. 5(c), the circular sewing area Ac is displayed on the display device 11 together with the first data of the sewing elements specified and input as described above.

Subsequently, in step S13, when the enlargement rate or reduction rate is input by specifying the numerical key 16 with the input pen 10, the determination result becomes YES, and the fifth
The enlargement/reduction ratio is displayed within the frame F of the display device 10, as shown in FIG. Next, in step 314, by specifying the inclination angle of the sewing element with respect to the coordinate axes X and Y using the numerical keys 16 and input pen 10, the determination result becomes YES, and the inclination angle is displayed together with the scaling factor. Displayed within a framework F of the device 10.

Then, in step S15, by specifying and inputting the sewing position on the sewing position input canister 14 using the input pen lO, the determination result becomes YES, and as shown in FIG. 5(c).
As shown in , the sewing position of the sewing element 13 is displayed by a cross-shaped cursor K on the device 11, and the sewing position X is displayed.

The Y coordinate is displayed within framework F.

Note that the position 81M of the sewing element 13 can also be input by specifying the numeric key 16 using the input pen IO.

Further, each data of the enlargement/reduction ratio, angle, and coordinates is stored in the RAM 21 in combination with sewing data.

Next, the process proceeds to step S15, and when the forward key 15e of the function keys 15 is designated by the input pen 10, each data such as the enlargement/reduction ratio etc. corresponding to the second sewing data in FIG. 5(b) In order to input , the display is switched in step S16.

Therefore, by repeating the processing from step 313 to step S15, data such as the enlargement/reduction ratio corresponding to the second sewing data is input.

When the input of each data such as the enlargement/reduction ratio corresponding to all the sewing data has been completed, in step S15, if the end key 15b of the function keys 15 is designated with the input pen 10, as shown in FIG. Returning to step S2 in a), the menu shown in FIG. 5(a) is displayed.

In this menu display state, when a data registration program is selected by specifying a numerical key on the tablet board 9 with the input pen 10, the CPU 20 sets the data registration mode. In this state, the CPU 20 determines in step S20 shown in FIG. 4(d) whether or not the floppy disk 28 for data registration is attached to the floppy disk drive device 27, and if the result is YES, the CPU 20 performs step S20. In S21, it is determined whether a registered file name has been input. Therefore, if a file name consisting of multiple words is input by specifying the sewing element 13 on the sewing element array section 12 or the numeric key 16 on the tablet board 9 in this step S21, the determination result is YES.
Become S.

Next, in step S22, when the enter key 15a is designated, the input of the file name is completed. Then,
After the bus key 15f is specified and input in step S23,
When the record key 15g is specified and input, step S2
In step 5, it is determined whether the file names are duplicated or not.

If there is no overlap, the process advances to step S26, and the CP
U20 saves the file name data to floppy disk 2.
8, and in the next step S27, "Registration Completed" is displayed on the display device 11.

When the enter key 15a is designated in step 32B, the file name corresponding to the sewing element combination data described above is set and stored. After inputting this file name, the process returns to step S2 and a menu is displayed.

On the other hand, in step S25, if the file name is duplicated, the process advances to step S29, and a message such as "File name already in use" is displayed. If the enter key 15a is pressed here, the process returns to step S21, and another file name can be input by repeating the processes from step S21 to step S24.

Now, when sewing according to the combination data of sewing elements 13 edited as described above, in step S2 shown in FIG. 4(a), with the menu displayed, When a data sewing program is selected by specifying keys using the input pens 1 and 0, the CPU 20 sets the data sewing mode. Therefore, if an arbitrary file name is specified and input, the combination data of the sewing elements 13 corresponding to the file name is read from the floppy disk 28 and stored in the RAM 21.

Next, when a start key (not shown) among the function keys 15 is specified using the input pen 10, the CPU 20 controls the sewing machine motor 4 based on the combination data.
and drives and controls the feeding device 8. Therefore, the sewing elements 13 in the combination data are sewn onto the work cloth W in the ring-shaped holding frame 7.

As described above, in this embodiment, the sewing element 13 can be searched and selected in a short time by simply specifying the sewing element 13 on the tablet board 9 using the input pen 10.

(Effects of the Invention) As described in detail above, the present invention has an excellent effect in that sewing elements such as characters or patterns to be sewn can be easily searched for in a short time.

[Brief explanation of drawings]

Fig. 1 is a block diagram showing the electrical configuration of a sewing machine in 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, and Fig. 4 (a).
5(d) are flowcharts, and FIGS. 5(a) to 5(c) are explanatory diagrams showing various display states. In the figure, 2 is a work cloth support surface, 5 is a needle, 8 is a feeding device, 9 is a tablet board, and 10 is an input pen (the above-mentioned 9, 1
0 constitutes the input device I), 12 is a sewing element array section, 13 is a sewing element, and 20 is C as a control means.
PU, 28 is a floppy disk as a storage means, W
is processed cloth. Patent applicant Brother Industries, Ltd. Agent
Patent Attorney On 1) Hironobu Figure 4 (b) Figure 4 (a) Figure 5 (a) Figure 5 (b) Figure 5 (C)

Claims (1)

[Claims] 1. A needle (5) that is moved up and down across the work cloth support surface (2).
) and forming a seam in the work cloth (W) on the work cloth support surface (2);
), a feeding device (8) that applies feed to the work cloth (W) on top of the sewing machine (W); a sewing element array section (12) in which sewing elements (13) such as various characters and patterns are arranged and displayed, and the sewing element array section. (
12) an input device (I) having a designation member (10) for designating one sewing element (13) on the sewing machine; and a storage means (28) for storing sewing data corresponding to each sewing element (13). ), and the sewing element (13) specified by the input device (I).
) A sewing machine capable of sewing characters, patterns, etc., comprising a control means (20) for controlling the operation of the stitch forming device and the feeding device (8) based on sewing data corresponding to the sewing machine.