JP3459015B2 - Computer sewing machine - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pattern selecting device for a computer sewing machine, and more particularly to a sewing pattern of each portion of clothes and the like by means of reading means in addition to ordinary pattern selecting means and a bar code for specifying the sewing pattern. Alternatively, the bar code or number is read from the instruction book on which the number is displayed, and the optimum feed and amplitude are automatically set according to the read result, the type of presser foot on the display device, and the appropriate thread tension pressure of the thread tension regulator. The present invention relates to a sewing machine pattern selection device configured to perform the above instructions.

[0002]

2. Description of the Related Art Recent computer sewing machines include a large number of, for example, pattern data of more than 100 kinds of sewing patterns, which are suitable for beginners. There are many cases in which the tone pressure is not known and the proper feed and amplitude control amounts are unknown, and there has been a problem that the sewing machine cannot be fully used.

[0003]

[Problems to be Solved by the Invention]

[0004]

According to the present invention, there is provided a stitch forming mechanism having a needle that reciprocates up and down to form a stitch, and a pattern data storage means in which pattern data of a plurality of stitch patterns is stored.
In a computer sewing machine including a pattern selection means for selecting a sewing pattern and a display means for displaying the selected sewing pattern and instructions related to the sewing, a collar, a sleeve, and a hem of the clothes for sewing the clothes. And a pattern including a pattern, and information including a sewing pattern for specifying the sewing of each part set in each part of the pattern of the displayed clothes,
A sewing pattern corresponding to the sewing of each portion of the figure display by taking in the information, automatic setting means for automatically setting the amplitude and feed of the sewing pattern, and a sewing pattern for specifying the sewing of each of the figure displayed portions The present invention has solved the problem by providing a computer sewing machine including a display means for displaying an appropriate presser foot, thread tension pressure and the like. Further, according to the present invention, a stitch forming mechanism having a needle that reciprocates up and down to form a stitch, a pattern data storage means in which pattern data of a plurality of stitch patterns is stored, and a pattern selection for selecting a stitch pattern. In a computer sewing machine including a means and a display means for displaying a selected sewing pattern and instructions related to sewing, a sewing machine is displayed on an instruction book or the like, and is used to sew clothes according to a sewing order. A pattern displayed including a hem and the like, information including a sewing pattern that specifies the sewing of each part set in each part of the pattern of the displayed clothes, and each part of the pattern according to the sewing order Reading means for fetching information including the sewing patterns respectively set to the sewing machine, and corresponding to the sewing of each portion of the shape display corresponding to the sewing order by fetching the information according to the sewing order. Sewing pattern and automatic setting means for automatically setting the amplitude and feed of the sewing pattern, and display means for displaying the sewing pattern for specifying the sewing of each of the parts displayed in the shape, proper presser foot, thread tension pressure, etc. The problem was solved by providing a computer sewing machine characterized by having and.

[0005]

According to the present invention, a reading selection mode for reading the bar code or the number added to the sewing pattern displayed in the instruction book by the reading means is added to the normal pattern selection mode by the pattern selection means,
Depending on the reading result, the display device is instructed about the type of presser foot, and the proper thread tension pressure is instructed and controlled by the thread tension device. There is an effect that good sewing can be easily performed under optimum conditions without any prior knowledge about the sewing pattern of the sewing machine.

[0006]

【Example】

(1) Schematic configuration of sewing machine First, a schematic configuration of an embroidery sewing machine will be described with reference to the drawings. In the figure, the front panel 2 of the sewing machine 1 is provided with a reading selection key 3 and a pattern selection means 10 composed of a plurality of keys, and a sewing pattern such as a selected character or pattern and various messages related to sewing. Display means 15 for displaying, etc. is provided.

The start / stop key 11 is used to start and stop the sewing machine. An image scanner, which is a reading unit 12, is connected to the head of the computer sewing machine. The image scanner can perform these readings by aligning the reading unit while making a reading switch with respect to the bar code or the number written on the pattern displayed in the instruction book 13.

(2) Structure of Control Circuit of Sewing Machine Next, the structure of the control circuit of the sewing machine will be described with reference to the drawings.

In the figure, the central processing unit CPU is
Pattern selection means 10 for selecting a sewing pattern of the sewing machine,
A start / stop key 11 for starting and stopping the sewing machine is connected, and a reading means 12 is further connected. As will be described later, the reading means 12 reads, from the instruction book 13, a bar code attached to the illustration of each sewing pattern or a number for specifying each sewing pattern.

The central processing unit CPU is further connected to a storage means ROM and a temporary storage means RAM incorporated in the sewing machine.

The storage means ROM is provided with a plurality of storage areas, and when these are shown as independent constituent elements, the storage means ROM is a control program storage means ROM1 in which a program for controlling the entire sewing machine is stored, and a reading means. 12 includes a control data storage means ROM2 in which control data such as a plurality of feeds and amplitudes in the reading selection mode using 12 are stored, a pattern data storage means ROM3 in which pattern data of a plurality of sewing patterns is stored, and pattern display data. The display data storage means ROM 4 stores various messages for display and various messages for display in the read selection mode.

The number pattern storage means ROM 5 stores a number pattern as a database for recognizing the number read when the object to be read is not a bar code but a number.

The temporary storage means RAM has a plurality of storage areas, and when these are shown as independent components,
The temporary storage means RAM is read from the reading means 12 and is read from the read data storage means RAM1 for storing digitally converted numerical data, the pattern number of the sewing pattern designated by the numerical data, the start address and the control data storage means ROM2. Various data storage means RAM2 for temporarily storing the issued control data and the like, work memory RAM3 for storing various data generated when the control program is executed
And the like, and further comprises a read pattern storage means RAM4 or the like for storing the read pattern by the VRAM method when the read object is not a bar code but a number.

A display means 15 is further connected to the central processing unit CPU via a display control circuit 14 to display characters, patterns and the like selected by the pattern selecting means 10 in the normal pattern selecting mode and the reading selecting mode. Various instructions and messages related to the sewing work are displayed.

Sewing machine motor 1 for driving the stitch forming mechanism
7. The amplitude motor 19 for controlling the amplitude of the needle bar and the feed motor 21 for controlling the feed of the cloth are respectively provided in this order via the sewing machine motor drive circuit 16, the amplitude motor drive circuit 18 and the feed motor drive circuit 20 to the central processing unit. It is connected to the CPU.

(3) Control Procedure for Reading Bar Code As a control procedure, a case where the reading target is a bar code will be described with reference to FIG. In the figure, Sn
(N = 1, 2, 3, ...) Shows each processing step of control.

When the S1 reading selection key 3 is operated, the reading selection mode is set, the illustration of the desired work is selected from the instruction book 13, and the bar code displayed on the sewing pattern according to the designation of the sewing order in the instruction book 13. The reading means 12 such as an image scanner is applied to the and the reading key 12a is pressed to read the bar code.

S2 The read bar code is converted into digital numerical data by a conversion program and stored in the read data storage means RAM1.

From the numerical data, the corresponding addresses of the control data storage means ROM2, the pattern data storage means ROM3 and the display data storage means ROM4 are accessed by the control programs S3 and S4, and the amplitude read from the control data storage means ROM2. And feed control data, pattern data storage means R
The head address of the pattern data, the pattern number, etc. for the corresponding sewing pattern of the OM 3 are stored in the various data storage means RAM 2.

The display data storage means ROM4 is accessed from the numerical data by the control program, and the display data read from the display data storage means ROM4 is displayed on the display means 15 via the display control circuit 14 so that the shape of the sewing pattern is appropriate. The type of the presser foot, an appropriate thread tension pressure, and an instruction about the content of forming a stitch at a position of several mm from the cloth edge are displayed. The operator can prepare for sewing according to the instruction displayed on the display means 15.

When the read selection mode is ended by re-operating the S5 read key 3, the read selection mode is exited.

After completion of preparation, start / stop key 11
By operating, it is possible to perform good sewing under optimum conditions without any prior knowledge.

When the thread tension regulator is configured to be controllable by an actuator or the like, it is possible to control the thread tension regulator by previously created control data instead of displaying an appropriate thread tension pressure.

(4) Control procedure at the time of reading a number As a control procedure, when the read object is a number instead of a bar code, as shown in FIG. 5, compared with the case where the read object is a bar code, the processing steps of S11 and S12. By adding, it becomes possible to perform the same control as in the case of barcode reading.

That is, in FIG. 5, in the processing steps of S11 and S12, the number pattern as the image data read by the reading means in S11 is stored in the read pattern storage means RAM4 used as VRAM, and S12.
Is compared with the data in the number pattern storage means ROM5 and converted into numerical data by digital conversion, and then stored in the read data storage means RAM1. The subsequent control is the same as in the case of reading a barcode.

The numbers in FIG. 3 will be explained. For example, in the case of straight line sewing, 830.001.035.1.5
830, the head No. (Number), 00
No. 1 is the pattern NO. , 035 is the amplitude or sewing baseline, 020
Is the feed amount, 1 is the type of presser foot, and 5 is the automatic thread tension pressure.

[0027]

According to the present invention, a reading selection mode in which a bar code or a number added to a sewing pattern displayed in an instruction book is read by the reading means is added to the normal pattern selection mode by the pattern selecting means,
Depending on the reading result, the display device is instructed about the type of presser foot, and the proper thread tension pressure is instructed and controlled by the thread tension device. The effect of easily performing good sewing under optimum conditions can be obtained without any prior knowledge relating to the sewing pattern of the sewing machine.

[Brief description of drawings]

FIG. 1 is a block diagram of a control circuit of a sewing machine.

FIG. 2 is an external perspective view of the sewing machine.

[Fig. 3] Display example of instruction book

FIG. 4 is a subroutine flowchart of a control procedure in a reading selection mode when the reading target is a barcode.

FIG. 5 is a subroutine flowchart of a control procedure in the reading selection mode when the reading target is a number.

[Explanation of symbols]

10 Pattern selection means 12 Reading means 13 instruction books 15 Display means ROM2 control data storage means ROM3 pattern data storage means ROM4 display data storage means RAM2 Various data storage means

Claims (2)

(57) [Claims] 1. A stitch forming mechanism having a needle that reciprocates up and down to form a stitch, a pattern data storage means in which pattern data of a plurality of sewing patterns is stored, and a pattern selection for selecting a sewing pattern. In a computer sewing machine having a means and a display means for displaying a selected sewing pattern and instructions related to sewing, a pattern displayed including a collar, a sleeve, a hem of the clothes for sewing the clothes, , Information including a sewing pattern for specifying the sewing of each part set in each part of the pattern of the displayed clothes, and the sewing pattern corresponding to the sewing of each part of the pattern displayed by fetching the information, Equipped with automatic setting means for automatically setting the amplitude and feed of the sewing pattern, and display means for displaying the sewing pattern for specifying the sewing of each of the parts displayed in the shape, proper presser foot, thread tension pressure, etc. Characterized by Computer sewing machine. 2. A stitch forming mechanism having a vertically reciprocating needle to form a stitch, a pattern data storing means for storing pattern data of a plurality of sewing patterns, and a pattern selection for selecting a sewing pattern. In a computer sewing machine provided with a means and a display means for displaying a selected sewing pattern and instructions relating to sewing, a collar of the clothes, which is displayed in an instruction book or the like, for sewing the clothes in the sewing order,
A pattern including a sleeve, a hem, and the like, information including a sewing pattern that specifies the sewing of each part set in each part of the pattern of the displayed clothes, and the pattern according to the sewing order. A reading means for fetching information including a sewing pattern set in each portion, and a sewing pattern corresponding to the sewing of each portion of the figure display and the amplitude and feed of the sewing pattern are automatically obtained by fetching the information according to the sewing order. A computer sewing machine comprising: automatic setting means for automatically setting a sewing pattern; and a display means for displaying a sewing pattern for specifying the sewing of each of the displayed parts, an appropriate presser foot, a thread tension pressure and the like.