JPS6272389A - Stitch pattern display and input apparatus - 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 pattern display and input device for an electronically controlled zigzag sewing machine.

(Prior Art) An electronically controlled zigzag sewing machine is equipped with a 1@L stage in its control device for storing a selectively readable stitch pattern, and has already been widely put into practical use.

1- The stitch patterns are 20 types such as letters (flat kana, katakano, uppercase and lowercase letters, alphahet, numbers, etc.) and mark shapes.
Contains a large number of patterns from 0 to 300 types, and is a stitch pattern display and input device! This is for displaying a large number of stitch patterns in groups on the front of the sewing machine and inputting desired selected stitch patterns to the control device.

Conventionally, as a stitch pattern display and input device, for example,
No. 4-88444 discloses that a stitch pattern is displayed on the outer periphery of a cylindrical stitch pattern display member, three stitch patterns can be selectively displayed in a display window on the front of the sewing machine, and The pattern member is rotationally driven by a step motor, and the rotation angle of the step motor is detected by a detection means, and an operator operates a control device for the step motor so that a desired stitch pattern is located in the center of a display window. , 17 is written such that the stitch pattern is selected based on the rotation angle detection signal.

By the way, recent stitch pattern display/input devices 1. Generally, a large number of 11 stitch patterns are displayed in multiple rows and multiple columns in each of multiple display sections of a display sheet that is displayed in one sentence/one row. Print in a matrix, each display section can be displayed in the display window on the front of the sewing machine, and each stitch 1
] Pattern (Print the 2 1' floor near the robe, select the desired stitch pattern, and when inputting "ζ", enter the code floor of the desired pattern into the control device using the numeric keypad on the operation panel.) There is.

The stitches ``I'', which are used relatively infrequently, are grouped and displayed on the external display car i, and the desired pattern 2r-1'Nn is input using the numeric keypad in the same manner as above. .

Furthermore, when inputting a desired sewing pattern that is not included in the display sheet I or display car 1' into the program, draw the figure on graph paper outside the machine and compose the figure. The coordinates of a plurality of points are input using the -1- keypad.

(Problems to be Solved by the Invention) 1- In the stitch pattern display and input device described in the above publication,
Since the stitch patterns are displayed in one row on the outer periphery of the cylindrical pattern display member, it is not only impossible to display as many as 200 to 300 different stitch patterns, but also three stitch patterns each in the display window. Since only the stitch patterns are displayed, it is impossible to immediately select the desired stitch pattern from among all the stitch patterns.
There is a problem in that it takes time to select and input a desired stitch pattern, making it impractical.

1-. In recent stitch pattern display and input devices, a desired stitch pattern is selected from among a large number of stitch patterns included in the display area displayed in the display window of the sewing machine, and its code , and input the L code by operating the numeric keypad. Therefore, an unfamiliar code level is interposed between the selection of the stitch pattern and the input operation, and it is difficult to confirm the code and enter the code. A great deal of attention had to be paid to inputting the code, which also took a considerable amount of time, making manual operation of the seam pattern very cumbersome.

Moreover, when manually programming a desired figure, it was necessary to draw it on graph paper, read the coordinates of multiple points, and then input the coordinate data of the multiple points in two directions using a numeric keypad, which required a certain level of skill. These tasks and operations were extremely complicated and tedious for operators other than those who have done so.

(Means for Solving the Problems) The sewing "1 pattern display and input device according to the present invention has jπ17<
Controls the storage means for storing stitch pattern information that can be read out visually.
The electronically controlled zigzag sewing machine provided in the II device includes operation responsive actuators disposed on the front side of the sewing machine and arranged in a matrix of multiple rows and multiple columns, and each operation responsive actuator is operated. A position signal output tablet is provided which outputs position signals of the actuating portion in two rows and columns to the control device of the sewing machine when The display sheet is a display sheet that moves according to the direction of the tablet, and includes a plurality of pattern display sections corresponding to the front surface of the tablet described in -1-. A display sheet is provided that displays a large number of stitch patterns in a matrix of rows.
A driving means is provided for moving the display sheet along the front surface of the tablet via the roller L, and an identification signal for identifying the pattern display section located on the front surface of the tablet -1- is output to the control device F. This is provided with an identification signal output means.

In addition, if necessary, a display section for graphic input, which is formed by displaying scale lines in two matrix directions on the display sheet in correspondence with the matrix-like operation response actuation section of the tablet on the front surface of the tablet. In some cases, the control device is provided with a graphic information storage means for storing graphic information of a desired graphic drawn by connecting the intersection points of the scale lines.

(Function) Since the stitch pattern display and input device according to the present invention is configured as described above, a desired pattern display section is positioned on the front surface of the position signal output tablet, and the desired pattern display section is displayed on the front side of the position signal output tablet. When the operation response actuating section of the tabreso I corresponding to this pattern is operated directly from above the stitch pattern, the position signals of the actuating section in the two directions of the matrix will be 1! - An identification signal for identifying the pattern display section is output from the identification signal output means to the control device.

In the control device, the stitch pattern selected and input based on the position signal and the identification signal is matched with the stitch pattern stored in the means 1g.

-1 When setting up a display section for figure input on the display sheet, position this display section on the front of the tablet,
If you draw a desired figure by repeatedly operating the operating part of the tablet that corresponds to this intersection directly from above the intersection of the two lines of the matrix in the display area, each point of the figure will be Position signals in two directions of the matrix are input to the control device.

(Effects of the Invention) According to the stitch pattern display and input device according to the present invention, as explained above, the desired pattern display section of the display sheet that moves along the front surface of the position signal output tablet notebook i- is displayed on the tablet. By performing an operation such as directly pressing a desired seam pattern with a fingertip among the many seam patterns displayed in the pattern display section located on the front side, you can respond to that seam pattern. Operate the operation response activation part of the tablet above,
A desired stitch pattern can be selected and inputted extremely easily and quickly.

When the display sheet is provided with a display section for inputting graphics, the graphics can be input into a program easily and quickly using the tablet that is common to the pattern display section.

(Example) Embodiments of the present invention will be described below with reference to the drawings.

This stitch pattern/input device is used in an electronically controlled zigzag sewing machine that is equipped with a storage means for storing selectively readable stitch pattern information in the control device. Text, marks, figures, etc.) can be grouped and displayed selectively on the front of the sewing machine for each group, and a desired stitch pattern among the many stitch patterns displayed on the front of the sewing machine can be selected directly with a fingertip. It is designed to allow input to the control device with simple operations such as pressing.

As shown in FIG. 1, the sewing machine M includes a head part 1, a machine part 2 extending from the right end of the head part 1 to one side, and an arm part 3 extending from the upper part of the sewing machine 2 to the negative side of the pet part 1. A needle bar lower drive device 32 and a side bar swing drive device 30 are incorporated in the arm portion 3, and a - L lower feed drive device 3
3 and a longitudinal feed fitting W31 for the longitudinal movement of the feed dog. The needle bar 1-lower drive device 32 and the vertical feed drive device 33 are driven by a sewing machine motor controlled by the control device.

A display window 5 for displaying a large number of stitch patterns 4 is formed on the front surface of the machine pillar section 2, and is displayed on almost the entire surface thereof. Immediately below the display window 5 is a display window 5 for selecting a control mode. A display window 6 for displaying a plurality of mode selection keys 7 is formed.

A rectangular display 8 for displaying 6INU of the stitch pattern 4 selected and inputted by the operator 11 is disposed at the center of the curved surface of the first part 3, slightly to the right. Furthermore, code 9
is the needle bar, and lO is the sewing operation start/stop tosinochi.

The stitch pattern display/input device includes a position signal output tablet 11 (hereinafter referred to as the tablet), a stitch pattern display sheet 12 (hereinafter referred to as the display sheet), and a position signal output tablet 11 (hereinafter referred to as the tablet), a stitch pattern display sheet 12 (hereinafter referred to as the display sheet), and a position signal output tablet 11 (hereinafter referred to as the tablet), a sewing pattern display sheet 12 (hereinafter referred to as the display sheet), and a position signal output tablet 11 (hereinafter referred to as the tablet). A drive device 13 for moving the display sheet 12, a stop detection sensor 14 for detecting the stop position of the display sheet 12, and a stop detection sensor 14 for detecting the type of the ?I number of pattern display sections provided on the display sheet 12. section type detection sensors 15a and 15b, display devices 8 and 8a that display selected and input stitch patterns;
- A control device 16 that controls the entire stitch pattern display/input device, the needle bar swing drive device 30, and the forward/backward feed drive device 31.
It is equipped with

The above-mentioned tablet 1] is formed into a vertically long rectangular plate shape, as shown in FIG.
55 operation 11 response actuation parts 17 (hereinafter referred to as actuation parts) are provided in a matrix shape, and the lower end thereof has two rows x
Mode selection keys 7 are provided in five rows in the form of a linox.

-1- Each operating unit 17 has a pressure-sensitive operating structure that outputs a (☆ position signal) in two directions of its matrix (X direction and Y direction) when it is pressed. Even if there is one for each key, it has a pressure-sensitive operation structure that outputs position signals in two directions of the matrix when the name key is pressed, similar to the one in number 1-.

That is, the tablet 11 described in 1-1 has a film-like pressure-sensitive layer between the strip-shaped electrode plates (resistor) arranged in each row and the strip-shaped electrode plates (resistor) arranged in each column. The conductive rubber is laminated in one layer, and the curved side is covered with a protective sheet to form the famous operating part 1.
7 is pressed! When the electrode plate in the row direction and the electrode plate in the column corner direction are short-circuited through the pressure-sensitive conductive rubber, the current change flowing through both electrodes f& at that time causes the matrix 2 of the actuating section 17 to be short-circuited. It is designed to output a position signal in the direction, and is designed to be inserted into the computer (17M signal output tablet notebook is, for example, developed by Japanese Patent Laid-Open No. 53-15
Since it is well known as described in the 959 publication and the manufacturer's catalog, a detailed explanation will be omitted.

Note that the tablet 11 may have a structure in which each operating portion 17 has each electrical contact that closes when pressed.

The I- tablet 11 is assembled directly behind the display windows 5 and 6 of the aircraft pillar 2, and the operating section 17A, which consists of 55 operating units 17 in 111 rows x 5, faces the display window 5. , a mode section 7A consisting of ten mode selection keys 7 arranged in two rows and five columns faces the display window 6, and output signals from the tablet 11 are output to the control device 16.

The mode selection key 7 will be described later.

Next, the display sheet 12 has a weight of, for example, 400 to 800 tons.
It is made of a band-shaped body of synthetic resin film with a thickness of about t, and on the front side there are a first pattern display section 18A, a second pattern display section 18B, which correspond to the operation section 17A of the tablet 11, and a graphic input display section 19. are provided in order from the left at a predetermined interval from each other, and rollers 13a and 13b are provided at the left and right ends of the display sheet 12. A mounting portion 12a for attaching the camera is provided.

”-4, the first pattern display area +8A has a tab [7 notes 1
111 rows x 5 of 55 actuating units 1 in 1 actuating section 17A
55 squares of 111 rows x 5 corresponding to 7 are printed, and each phase "1 is divided into two triangular squares by diagonal lines, and each triangular square [1 has each stitch pattern 4"] is pudding.

The same applies to the second pattern display section 18r3 as described in L.

In addition, the graphic input display section 19 includes at least 11 X-direction scale lines +9a corresponding to the 11 rows of actuators 17 in the actuator section 17A of the tablet 11, and 5 columns of actuators 17.
Five Y-direction lines [1st line 19b] corresponding to are printed.

Each intersection 19c between the X-direction scale line 19a and the Y-direction 11 scale line 19b corresponds to each operating part 17 of the tablet 11, so - draw a desired figure by connecting the above-mentioned intersections 19c and save the figure information. It is possible to input a program to the control device 16.

The drive device 13 for moving the display panel 2 to the left or right along the front surface of the tablet 11 is configured as follows.

In the equipment 2, approximately vertical rollers 13a and +3b are rotatably attached to the left and right sides of the tabletop 11, respectively, and the mounting portion 12a at the left end of the display sheet 12 is wrapped around the r'l-ra 13a on the left side. It is fixed and the rightmost handle A・1 part 12
a is wound around and fixed to the right roller 13b, and the display sheet 12 extending between both rollers 13a and 13b is arranged close to the front surface of the tablet 11, and the display sheet 12 is placed close to the front surface of the tablet 11,
a-13b (each display section 18A-18F')
19 can be matched with the operating section 17A of Tabreno 1 River 1, respectively.

-1- A gear 13c is fixed to the top of the roller 13b on the right side, and this gear 13c is meshed with a worm gear 13e attached to the output shaft of a pulse motor 13d.゛Fuihane ni r/)
In plan view, each word is biased in one direction.

Therefore, the above motor should be rotated in the forward direction and reversed! By doing so, the display sheet 12 can be wound onto the left roller 13a or onto the right I+- roller 13b, thereby allowing the display sheet 12 to be rolled along the front surface of the tablet 11. You can move it to the left or to the right.

Here, each of the display sections 18A and 18 of the display sheet 12
A set of stop position detection sensors I4 are provided on the top of the tablet 11 in order to alternatively stop the B-19 so as to correspond to the front surface of the operating section 17A of the tablet 11. Each display section 18A
- Two silk type detection sensors 15a and 15b are used to identify which of the types 1813 and 19, that is, the first pattern display section 18A, the second pattern display section 18n, and the graphic input display section 19, corresponds to the type. It is provided at the top of the tablet notebook l11.

Each of the above-mentioned sensors 14 and +5a15b includes, for example, a light emitting element (
The sensor is a light emitting/receiving type photosensor that combines a photodiode (such as a photodiode) and a light receiving element (such as a phototransistor); however, various other types of sensors may also be used.

Furthermore, each display section 18A, 18B, 1 of the display sheet 12
An actuating piece 14A corresponding to the stop position detection sensor I) 14 is provided at one end of the -1 of 9, and an actuation piece 14A corresponding to the stop position detection sensor I) 14 is provided at one end of the first pattern display section 18A.
5b, and a type detection sensor 15 is provided at the upper end of the second pattern display section 18B.
An actuation piece 15A corresponding to a is provided, and an actuation piece 15B corresponding to the type detection sensor 15b is provided at the upper end of the graphic input display section 19, and each of these actuation pieces 14A and 15
A reflective film such as aluminum foil tape is attached to the rear surface of A/15B.

Here, the mode selection keys of the tablet 11 will be briefly explained.

``The shift cokey is one of the two stitch patterns 4 on each fold (
For example, the "Next J key moves the display sheet 12 to the left and selects the display sections 18B and 19 on the right."
The front -1 key moves the display sheet 12 to the right and selects the display sections 18A and 18B on the left, and the "Start" key moves the display sheet 12 to the right and selects the display sections 18A and 18B on the left. The "end" key indicates the completion of program input, the ":" key indicates straight line running, and the "key" key indicates the completion of program input.
The ``+'' key instructs zigzag stitching, the ``+'' key instructs continuous addition input of multiple stitch patterns 4, and the ``CONTINUOUS -1'' key instructs continuous sewing of stitch patterns 4. The "12 needle" key instructs sewing using two stitches 31.

Incidentally, the types of the mode selection keys 7 may be increased as necessary.

The displays 11a and 8a display at least 15 stitch patterns 4, which have been selected and inputted in advance before sewing, on the display 8.
It is designed to be able to display patterns, and is composed of a driver 8a (driving circuit) that receives output from a control device 16 and a liquid crystal display 8.

Further, the display 8 may also display information specified by the mode selection key 7.

The control device 16 is configured as shown in the functional block diagram shown in FIG.

The pattern data memory 20 stores in advance data regarding the swing position of the needle bar 9 and the feed amount and feed direction of the feed dog for each sewing operation for all stitch patterns.

The sewing machine control memory 21 includes a control program for controlling the needle bar swing drive device 30 and the front-rear feed drive device 31 according to data output from the pattern data memory 20 to the CPU 22 when sewing each stitch pattern 4, and a mote selection program. key 7
A control program that controls the drive motor 13d based on signals from and detection signals from various detection sensors 14, 15a, and 15b, and a control program that controls the driver 8a of the liquid crystal display 8 based on the pattern selection signal input from the tablet 11. a control program for performing a specific sewing operation based on an input signal from the mode selection key 7, and a corresponding mechanism (thread breakage indicator lamp, etc.) based on detection signals from various sensors not shown. 11 control programs to control
, etc. are entered and stored in memory.

The program input figure data memory 23 (J, the tablet 11 using the figure input display section 19 of the display sheet 12)
When inputting a desired figure via a program, the figure data is stored in memory, and the power supply is set to 0FF1.
! Also, data is stored in memory for several tens of hours using a capacitor or battery.

The program input figure conversion memory 24 is for converting the figure information manually entered by the program -1, into data similar to that stored in the pattern data memory 20, and the converted data is also 1. - The program is stored in the human-powered graphic information memory 23.

The various memories 20, 21, 23, and 24 are configured to exchange signals with the CI tJ 22 via a data bus and an address bus.

In addition, the pattern iM selection multiplication signal from the tablet +1, the input graphic signal and the mode selection signal are sent to the A/D conversion circuit 2.
5, it is converted into a digital signal and output to the CPU 22 via the input register 26.

Detection signals from the various sensors 14, 15a, and 15b are output to the CtJ P 22 via the input register 27.

The command signals to the driver 13f of the display sheet drive motor 13d and the driver 8a of the liquid crystal display 8 are CI).
[J 22 to output register 28 and output register 29
Output via .

A pattern selection signal from each operating section 17 of the tablet 11 and a mode selection signal from the "shift" key etc. are stored at each address of the input register 26, and type detection sensors 15a and 15b are stored at each address. Since the signals representing the types of each display section 18A, 18B, and 19 determined by the combination of output signals are stored at each address of the input register 27, the contents of each address of the two-hand power registers 26 and 27 are From this combination, the selected and input stitch pattern 4 is associated with the stitch pattern 4 stored in the pattern data memory 20.

Although not shown in FIG. 5, signals from the main switch, the sewing operation start/stop switch XO, the cloth feed reverse switch, etc. are also input to the control device 16.

Next, the outline of the control routine executed by the control bag 216 will be explained with reference to FIG.
indicates each step.

First, after the start, initial settings are made in step S1, and in step S2 it is determined whether or not sewing operation is being performed.If it is not sewing operation, the process moves to step S3, and in step S3, the first pattern display section 18A is displayed on the front of the tablet 11. It is determined by the detection number 18 from the type detection sensors 15a and 15b, and if YES, the process moves to step S4, and in step S4, the first pattern display section 1
The pattern selection routine for 8A is executed.

If the result of the determination in step S3 is No, the process moves to step S5, and in step S5, it is determined whether or not the second pattern display section 18B is displayed in front of the tab cover. If YES, the process moves to step S6. At , a pattern selection routine for the second pattern display section 18B is executed.

If the result of the determination in step S5 is No, the process moves to step S7, and in step S7, it is determined whether or not the graphic input display section 19 is displayed on the front of the tablet 11. If YES, the graphic input display section 19 is displayed. Section 1
In response to the signal input from the tablet 11 using the computer 9, an input figure creation routine is executed in step S8.

If the result of the determination in step S7 is No, the process moves to step S2.

If it is determined that the sewing operation is in progress as a result of the determination in step S2, the process moves to step S9, where the sewing routine is executed, and the process moves to step SIO every time the sewing routine for one stitch "1 pattern 4" is completed. , In step SIO, it is determined whether the sewing is stopped 1- or not, and when the result is YIES, the process moves to step S2, and when the result is No, the process moves to step S9.In other words,
All the selected or programmed stitches [
Step 1 until sewing of pattern 1 and pattern 4 is completed. Pu S9
The sewing is continued by step SIO.

In the above stitch pattern display/input device, when selecting and inputting stitch pattern 4, press the "Next" key of mode selection key 7 or "
By operating the "Previous" key, the desired pattern display section 1 is displayed.
With 8A-18B positioned in front of the tablet 11, press the "shift" key as necessary and press the fold of the desired stitch pattern 4 with your fingertip or operation pen to create the above-mentioned stitch. Pattern 4 can be input.

When inputting a desired stitch pattern 4 that is not included in the pattern display section 18A-1811 into the program, position the figure input display section 19 on the front of the tablet+1, press the [Start 1 key] Input display section 1
By sequentially pressing the intersection +9c of the X-direction scale line 19a and the Y-direction scale line 19b of 9 and drawing the desired figure, the desired figure can be input into the program.

Then, press the [End j key to end the program input.

-1- When drawing a figure in the figure input display section 19, it is sufficient to draw the figure with a felt-tip pen or the like and erase the figure after finishing.

Incidentally, since erroneous operations may occur when selecting the stitch pattern 4 or inputting a program, it is desirable to provide the mode selection keys with a "cancel" key or the like for canceling erroneous operations.

In the stitch pattern display/manpower device of the above embodiment, the case where the display sheet 12 is provided with two stitch pattern display sections 18A and 18B has been described, but the display sheet 12 is relatively thin and has sufficient length. Therefore, a large number of pattern display sections can be provided as required.

In this case, the type detection sensor provided on the tablet 11 is naturally added, and the actuating pieces at the upper end of each display section of the display sheet 12 are also added as necessary.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which Fig. 1 is a front view of an electronically controlled zigzag sewing machine, Fig. 2 is a schematic perspective view of a tablet, and Fig. 3 shows an assembly of a display sheet, a tablet, and a drive device. 4 is a developed view of the display sheet, FIG. 5 is a functional block diagram of the control device and its peripheral equipment, and FIG. 6 is a schematic flowchart of a control routine executed by the control device. M...Electronically controlled sewing machine, 4...Stitch pattern, 11...
Tablet, 12... Display sheet, 13... Drive device, 13a, 13b... Roller, 15a, 15b...
Compartment type detection sensor, 15A-15B... actuation piece,
16...Control device, 17...Operation response actuation unit,
18A・1813...Pattern display section, 19...Display section for figure input, 19a...X direction scale line, 19b
... Y direction scale line, 19C... Intersection, 20... Pattern data memory, 23... Program input figure data memory, 25... AID conversion circuit, 26, 27...
Input register.

Claims (2)

[Claims] (1) In an electronically controlled zigzag sewing machine equipped with a storage means in the control device for storing stitch pattern information that can be selectively read out, the sewing machine is arranged on the front side of the sewing machine and arranged in a matrix of multiple rows and columns. a position signal output tablet which is provided with an operation response actuation section provided therein and outputs position signals in two directions of the matrix of the operation section to the control device of the sewing machine when each operation response operation section is operated; and both sides of the tablet. a display sheet that is mounted across a pair of rollers located on the tablet and moves along the front surface of the tablet, the display sheet having a plurality of pattern display sections corresponding to the front surface of the tablet, and each pattern display section having a matrix-like operation of the tablet; a display sheet displaying a large number of stitch patterns in a matrix of multiple rows and multiple columns in correspondence with the response actuating parts; a driving means for moving the display sheet along the front surface of the tablet via the roller; A stitch pattern display/input device comprising: identification signal output means for outputting an identification signal for identifying a pattern display section located on the front side of a tablet to the control device. (2) The display sheet is provided with a graphic input display section corresponding to the front surface of the tablet and displaying scale lines in two matrix directions in correspondence with the matrix-like operation response actuating section of the tablet, and the intersection of the scale lines is provided. 2. The stitch pattern display and input device according to claim 1, wherein the control device is provided with a graphic information storage means for storing graphic information of a desired graphic drawn by tying the stitch patterns.