JPH05269269A - Embroidery pattern position display device - Google Patents

Abstract

PURPOSE:To improve the ability of a swing machine by lighting the standard lower line in the sewing direction in the embroidery pattern sewing by an embroidery sewing machine, previously on an embroidery cloth. CONSTITUTION:As for a sewing machine A equipped with embroidery function, a pattern selecting means 1 which can be externally operated in order to select a desired sewing pattern from among a plurality of sewing patterns is installed, and an on-cloth display device DP which is equipped with the standard lower line 1 in the sewing direction of the embroidery pattern by irradiating the bed surface D of the sewing machine in the suspending direction from a display light source 15 installed inside a sewing machine arm part is installed, and a calculation data memory means for memorizing the arbitrary data for the standard lower line 1 in the sewing direction and a seam forming means for carrying out the embroidery pattern sewing on the basis of its data are installed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an embroidery pattern position display device which indicates a sewing direction reference underline of an embroidery pattern stitch of an embroidery sewing machine.

[0002]

2. Description of the Related Art Conventionally, a selection device for selecting a desired sewing pattern on a front panel of a sewing machine and a display device for displaying a shape of the sewing pattern are provided, and the pattern can be selected while directly checking the selected pattern. There is generally known a sewing machine capable of performing a sewing operation while confirming a message of information regarding a sewing operation on a display device.

On the other hand, the position on the work cloth where the embroidery pattern is sewn depends on actual experience and skill. In order to know the starting position of the embroidery pattern, the needle is actually lowered and the position is confirmed. It is the current situation.

[0004]

From the above,
When sewing a desired embroidery pattern in an embroidery frame, it is desired to easily embroider the embroidery pattern at a desired position. In particular, when the embroidery pattern sewing operation is continuously performed, it is extremely troublesome to perform the positioning each time, and there is a drawback that the embroidery work efficiency is reduced.

[0005]

Therefore, as a result of intensive studies, the inventor of the present invention has found that, in a sewing machine with an embroidery function, a desired sewing pattern is selected from a plurality of sewing patterns. Display device provided with a pattern selection means that can be operated externally and a sewing light source irradiating toward the bed surface of the sewing machine in a hanging direction from a display light source provided inside the arm portion of the sewing machine. And an embroidery pattern position display device including arithmetic data storage means for storing arbitrary data of the reference underline of the sewing direction and stitch forming means for sewing an embroidery pattern based on the data, thereby providing an embroidery sewing machine sewing machine. It is possible to represent the underline of the sewing direction reference of the embroidery pattern sewing, solve the above-mentioned problems, and achieve the purpose.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS. The sewing machine with an embroidery function A shown in FIG. 4 includes an embroidery sewing machine capable of embroidering only and a compound embroidery sewing machine capable of normal sewing and embroidery sewing.

FIG. 1 is a block diagram showing a structure of a sewing machine A with an embroidery function. Reference numeral 1 is a pattern selecting means for selecting a plurality of predetermined patterns, and the front surface of the sewing machine A with an embroidery function. It is arranged so that it can be operated. The configuration is such that the pattern selected on the touch panel 1a provided with a touch switch can be displayed on the display device 2.

The pattern stitching data storage means 3 stores a plurality of control data for forming stitches of the pattern, and is a general ROM or an external storage means. The pattern display data storage means 4 stores display data for displaying a plurality of patterns corresponding to the stitch formation data on the display device 2, and the ROM or an external storage means stores the stitch formation data together with the above-mentioned stitch formation data. It is preferably stored.

The system program storage means 5 stores a system program for controlling various control motors, which will be described later, using the pattern data in accordance with the display and selection for the pattern selection and the sewing machine driving. The selected pattern storage means 6 stores information on the pattern selected by the pattern selection means 1, and is composed of a RAM.

The upper shaft phase detecting sensor 7 is fixed to the upper shaft of the sewing machine, and is constituted by a disc having a slit and a position corresponding to the slit of the disc.

The drive motor 8 for driving the sewing machine is connected to the central processing unit 10 via a drive motor control circuit 9. Reference numerals 11 and 12 denote an X-direction control stepping motor and a Y-direction control stepping motor for moving the needle and the work cloth relative to each other in the X and Y directions, and are connected to the central processing unit 10 via a stepping motor control circuit 13. ing. These motor drive mechanisms are used by the sewing machine A with an embroidery function as an embroidery sewing machine capable of embroidering only.
Is equipped with. A motor drive mechanism including the X-direction control stepping motor 11, the switching drive motor instead of the Y-direction control stepping motor 12, and the feed adjusting motor is provided in the sewing machine A having an embroidery function, which is the compound embroidery sewing machine. .

Based on the drive motor control circuit 9 and the stepping motor control circuit 13, what is constituted by a needle that moves up and down and a needle thread catching means that cooperates with this is called "stitch forming means".

Reference numeral 14 is an X, Y position detecting means,
In this embodiment, the initial position set at a predetermined movement distance from the origin of the machine is used as a reference position, and the position is specified by counting the rotation amount of a stepping motor rotated to move from the reference position. It is a thing. The "origin of the machine" referred to in this specification means the initial position where the hoop E is held stationary even when the X-direction control stepping motor 11 for driving the hoop E rotates by a certain rotation angle. ..

DP is a cloth display device, and is shown in FIGS.
As shown in, a display light source 15 such as a laser light irradiator is arranged to display the sewing direction reference underline of the embroidery pattern stitch formed on the cloth. The display light source 15 is provided with a display light source circuit 16 and an adjusting circuit 17 for adjusting the position. The cloth display device DP is housed inside the sewing machine arm B of the sewing machine A with an embroidery function, and the display light source 15 is capable of irradiating the bed surface D with the sewing direction reference underline of the embroidery pattern sewing. ing. Alternatively, as shown in FIGS. 9 and 10, the start line of the embroidery pattern sewing can be irradiated. The cloth display device DP is not provided in the jaw C at the end of the sewing machine arm B.

Further, as shown in FIG. 6, a reflecting mirror 18 for reflecting the laser light of the display light source 15 such as a laser light illuminating body.
By the stepping motor drive to change its irradiation direction position to Y
The reflector adjusting device 19 that changes the direction appropriately may be housed inside the sewing machine arm B of the sewing machine A with the embroidery function.

Display data can be displayed on the cloth in the embroidery frame E corresponding to the positions designated by the X-direction manual operation key 20 and the Y-direction manual operation key 21. The X-direction manual operation key 20 and the Y-direction manual operation key 21 are collectively referred to as a “change position input means PI”. Reference numeral 22 is a cloth display key for instructing display on the cloth.

In addition, as shown in FIGS. 7 and 9, when the embroidery pattern is of a normal size, or when the embroidery pattern is enlarged as shown in FIGS. 8 and 10, both are The embroidery pattern is not visible (the chain line and the dotted line of the embroidery pattern represent the imaginary position which may be the position), and only the sewing direction reference underline or the start line is irradiated onto the embroidery cloth.

The display color setting device CR comprises a cloth color or brightness detecting means 23, a display color determining system program storing means 24, and a display color data storing means 25. The cloth color or brightness detection means 23 is a detection means for detecting the color or brightness of the cloth, and is composed of an image pickup device such as a CCD and a color discrimination means. The system program storage means 24 for determining the display color stores a program for instructing the opposite color of the cloth color or the color detected by the brightness detecting means 23, and the information about the opposite color is displayed as the display color. A large amount of data is read from the display color data storage means 25 and output to the display light source 15.

The cloth color or brightness detecting means 23 may be a monochrome detecting means. In this case, two colors having different hues are designated from the detected brightness and the reference brightness (brightness from white to black) to obtain a desired color. One of them may be operated by operating the color designation key 1b arranged in the pattern selection means 1. Further, depending on the case, it may be provided as a predetermined display color capable of irradiating with a brightness close to black. Also, the display color setting device C
R may not be provided. In addition, a desired color may be projected by the display color selection means 26 provided separately.

Particularly, according to the color or brightness of the cloth,
A display color may be selected by an appropriate display color selection means 26, and an extremely easy-to-see color may be projected. In addition, as the light source color of the display light source 15, a cloth color for embroidery pattern sewing may be detected and a color corresponding thereto may be automatically detected and projected. Even in this case, it is possible to project a color that is extremely easy to see.

The figure change selection key 27 is a key for selecting appropriate enlargement / reduction (similar shape), even allocation, horizontal enlargement / reduction, and vertical enlargement / reduction. When the figure change selection key 27 is selected, the plurality of figure forms are displayed on the display device 2, and the magnification value 1c is appropriately selected and displayed on the display device 2. In this way, the calculated magnification is used as the change data to be the display data and the reference value of the sewing data, and the calculated display data storage means 28 and the calculated sewing data storage means 29 are used.
Memorized in. The calculated sewing data storage means 29 stores the calculated sewing data based on the change and deformation input of the data stored in the pattern sewing data storage means 3. The calculation display data storage means 28 and the calculation sewing data storage means 29 are collectively referred to as "calculation data storage means".
Say. Reference numeral 30 is a confirmation key, 31 is a clear key for returning the adjustment to the initial state, 32 is a start key, and 33 is a speed adjustment key.

Next, the operation of the present invention will be described with reference to the flow chart shown in FIG. When the pattern is selected in S1,
In S2 and S3, the display data is read from the pattern display data storage means 4 and displayed on the display device 2, and the sewing data of the selected pattern is stored in the selected pattern storage means 6.

Then, when the cloth display key 22 is operated,
The embroidery frame E holding the cloth is moved to an initial setting position corresponding to the cloth display device DP arranged in the middle of the arm of the sewing machine, and the cloth color or brightness detecting means 2
3 operates to read the color of the fabric and determine the opposite color data. In S8 to S9, the read display color data and the cloth data in the pattern display data are read and the laser light of the display light source 15 is turned on to display the sewing direction reference underline on the cloth.

Here, in the case of changing the sewing direction reference underline, in S10, each of the Y direction manual operation keys 21 is operated to output an operation signal. In response to the signal, the Y-direction control stepping motor 12 is driven to move the cloth frame to the sewing direction reference underline of the displayed sewing. When the confirmation key 30 is operated at a desired position, it is determined that the instruction has been completed, and the movement amount from the initial setting position is displayed as change data and is calculated as the reference value of the sewing data. It is stored in the sewing data storage means 29. Here, when the sewing direction reference underline is not changed, the initial position is set by operating the confirm key 32.

From this state, the Y direction control stepping motor 12 is again driven by the amount of movement to return to the sewing direction reference underline, and the changed underline is displayed on the cloth.

After the change is thus completed, in S12,
When the start key 32 is operated, the embroidery frame E is driven from the display position to the initial setting position of the stitching position corresponding to the needle, and when the position of the sewing direction reference underline is changed, it reaches that position in the Y direction. Only the embroidery frame E is transferred without forming stitches, and changed embroidery stitches are formed according to the stitching data read in synchronization with the upper axis phase detection sensor 7 from the position of the reference underline in the stitching direction (see S13). ).

Alternatively, instead of the sewing direction reference underline, a starting line may be irradiated. In this case, in order to change the start position, the X direction manual operation key 20 is operated to output an operation signal. In response to the signal, the X-direction control stepping motor 12 is driven to move the cloth frame to the sewing start line shown. When the enter key 30 is operated at the desired position, it is determined that the instruction has been completed, and the amount of movement from the initial setting position is displayed as change data and is calculated as the reference value of sewing data. It is stored in the sewing data storage means 27. If you do not change the start line, enter key 3
The initial position is set by operating 2.

Further, as shown in FIG. 3, in the case of changing the figure, in S101, the figure change selection key 27 is appropriately selected, and the appropriate enlargement / reduction of S102 (similarly, see FIG. 8) and S103. Mode is selected, the horizontal enlargement / reduction of S104, and the vertical enlargement / reduction of S105 are selected.
The magnification value 1c is appropriately selected and displayed on the display device 2, the enter key 30 is pressed, the sewing direction reference underline is displayed on the cloth, and the registered change is made by operating the start key 32 in the same manner as described above. Embroidery stitches are formed based on the graphic data.

[0029]

According to the first aspect of the present invention, in the sewing machine A with the embroidery function, the pattern selecting means 1 which can be operated externally to select a desired sewing pattern from a plurality of sewing patterns and the sewing machine arm B are provided. An on-cloth display device DP provided with a sewing direction reference underline that irradiates a sewing machine bed surface D in a hanging direction from a display light source 15 provided inside.
And a stitch data forming means for storing arbitrary data of the sewing direction reference underline, and a stitch forming means for sewing an embroidery pattern based on the data. Without the need
The underline of the sewing direction reference underline including the starting point, which serves as a guide for embroidering, can be grasped in advance.

That is, at the same time as selecting an appropriate embroidery pattern, the embroidery frame E can be displayed at a predetermined position and the sewing direction reference underline of the embroidery pattern sewing can be displayed on the cloth of the embroidery frame E, greatly improving the usability. The sewing machine can be provided to the user.

Further, when the embroidery pattern sewing work is continuously performed, the positioning is not performed each time, and the embroidery work efficiency can be made extremely excellent.

In particular, the sewing direction reference underline of the present invention is not displayed at the actual needle drop point, but the sewing direction reference underline on the cloth of the hoop E at a position deviated from the needle drop point includes the starting point. Since the underline is displayed, there is an advantage that the embroidery frame E can always be satisfactorily illuminated without the emitted light being disturbed by the jaw C of the sewing machine.

Further, since the cloth display device DP is provided inside the sewing machine arm portion B, it is a place with a relatively large space, and it is easy to install and can be adjusted easily, and thus it is provided at a low cost. it can.

Next, in the invention of claim 2, it is not necessary to drop the needle, and the starting line, which is a standard for embroidering, can be grasped in advance. Other configurations are equivalent to those of the first aspect of the invention, and similar effects can be exhibited.

[0035]

[Brief description of drawings]

FIG. 1 is a block diagram of the present invention.

FIG. 2 is a flowchart of the present invention.

FIG. 3 is a flowchart of another embodiment of the present invention.

FIG. 4 is a perspective view of the present invention.

FIG. 5 is a schematic side view of the irradiation state of the hoop.

FIG. 6 is a schematic cross-sectional view of the irradiation state of the hoop.

7 and 10 are schematic plan views of a virtual embroidery pattern when the embroidery cloth is illuminated.

[Explanation of symbols]

 A ... Sewing machine with embroidery function B ... Sewing machine arm D ... Bed surface DP ... Cloth display device 1 ... Pattern selection means 15 ... Display light source 26 ... Display color selection means ... Sewing direction reference underline ... Start line

Claims (4)

[Claims] 1. In a sewing machine with an embroidery function, a pattern selection means that can be externally operated to select a desired sewing pattern from a plurality of sewing patterns, and a sewing machine that is hung from a display light source provided inside a sewing machine arm portion are provided. An embroidered pattern display device having an embroidering pattern reference underline radiated toward the bed surface, an arithmetic data storage unit for storing arbitrary data of the sewing direction reference underline, and an embroidery pattern sewing based on the data. An embroidery pattern position display device, which is provided with a seam forming means. 2. In a sewing machine with an embroidery function, a pattern selection means that can be externally operated to select a desired sewing pattern from a plurality of sewing patterns, and a sewing machine that is hung from a display light source provided inside a sewing machine arm part A cloth display device having a start line of an embroidery pattern radiated toward the bed surface, a calculation data storage means for storing arbitrary data of the start line, and a stitch formation for sewing an embroidery pattern based on the data An embroidery pattern position display device characterized by comprising means. 3. The embroidery pattern position display device according to claim 1, further comprising display color selection means capable of appropriately selecting a light source color of the display light source. 4. The method according to claim 1, wherein the light source color of the display light source is a cloth color for embroidering pattern detection, and a color corresponding thereto is automatically detected to enable projection. Embroidered pattern position display device.