JP2935914B2 - Edge forming sewing machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention makes it possible to easily form a desired edge for setting a seam allowance around each embroidery pattern for applique in a sewing machine having an embroidery function having an XY drive section. The present invention relates to an edge forming sewing machine.

[0002]

2. Description of the Related Art Conventionally, large initial patterns, etc.
Embroidery is often performed on embroidered felt grounds and then sewn as patches.

[0003]

By the way, in the emblem, a considerable technique was required in order to sew the gap between patterns of characters and the like at equal intervals.

[0004] Therefore, it is desired to easily provide a seam allowance around the pattern. Such a seam allowance serves as a mark for cutting and is used to cut a gap at an equal interval from the embroidery pattern and to facilitate sewing.

[0005] Some sewing machines with an embroidery function that incorporate a program and are driven by computer control are capable of embroidering various patterns. For example, JP-A-2-57288 discloses a sewing machine with an embroidery function developed by the applicant.
According to this invention, embroidery can be performed, but even the seam allowance cannot be applied.

[0006] In addition, there is an edge forming sewing machine for forming an embroidery frame, but there is only one type, and a desired edge cannot be formed.

[0007]

The inventor of the present invention has conducted intensive studies to solve the above-mentioned problems. As a result, the present inventor has found that a central processing unit which drives and controls all the components of the apparatus and a plurality of pattern data Pattern storage means for storing selected pattern data selected by operating the pattern selection means for selecting a desired pattern from the pattern data storage means storing the selected pattern data, and a stepping motor driving mechanism in accordance with the read data of the selected pattern data. And a sewing machine having an embroidery function capable of forming an embroidery stitch by controlling an XY drive unit, wherein a plurality of different sewing allowances are set for cutting and sewing in accordance with a pattern selected by an operation. An edge for setting a seam margin around embroidery is formed by operating the edge forming key of the shape, the pattern selection operation of the pattern selecting means and the operation of the edge forming key. Edge forming system with a storage means for storing the edge forming system program of the present invention can easily form a desired edge for setting a seam allowance around each embroidery pattern for applique of a sewing machine with an embroidery function. This has solved the above-mentioned problem.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. Figure 4 is a embroidery function sewing machine A, only the embroidery sewing embroidery sewing machine A ₁ and normal sewing and embroidering capable contains complex embroidery sewing machine A ₂ as possible.

The sewing machine A with the embroidery function incorporates a computer program in advance and executes a central processing unit (CP).
Various types of embroidery can be performed by the control device including U) 1.

Reference numeral 2 denotes a pattern selecting means provided with a pattern selecting key, a registration key for registering character data selected by the pattern number of the pattern selecting key, and a start key for starting the sewing machine A with an embroidery function. A key and a stop key for stopping are provided.

Reference numerals 3 and 4 are edge forming keys, and there are three types of edges formed by seams 3a, female cuts 3b, and character frame stitches 4a as edge portions for setting a seam allowance around each embroidery pattern. The applique data corresponding to the embroidery data in advance can be selected by the edge forming keys 3 or 4.

The rim forming key 3 provides rim forming along the outer shape of each pattern, and the rim forming key 4 is for rim forming a character frame stitch 4a for a character.

The stitches 3a of the first embodiment are provided with perforations on the order of a basting pitch. In addition, the knife cutting 3b of the second embodiment (can be cut if continuous)
Is provided as a perforation in the scalpel needle n. When the scalpel needle n is made continuous at the cutting position, a continuous cutting state is obtained. Further, the character frame stitching 4a of the third embodiment is provided in a sewing manner such that cutouts are provided at four positions as a rectangular frame around the embroidery.

Reference numeral 5 denotes an upper axis phase detection sensor,
The central processing unit (CPU) to detect the needle position
1 connected.

Reference numeral 6 denotes an XY position detecting sensor for identifying the position of an embroidery frame B provided in an XY driving section 19 described later.

Reference numeral 7 denotes a selected pattern storage means (RAM). The selected pattern storage means (RAM) 7 operates the floppy disk drive (F
The embroidery data for embroidery read from the floppy disk (FD) via the DD) is stored.

Reference numeral 8 denotes a pattern data storage means (ROM) for storing stitch data created by the program and a system program for control.

The selected pattern storage means (RAM) 7 and the pattern data storage means (ROM) 8 are also connected to the central processing unit (CPU) 1.

Reference numeral 9 denotes an embroidery sewing system program storage means (ROM) which is connected to the central processing unit (CPU) 1 so that an appropriate embroidery is sewn.

Reference numeral 10 denotes storage means (ROM) for the edge forming system program, which is connected to the central processing unit (CPU) 1 so as to form an edge as a seam allowance around an embroidery sewing position. In the edge forming program, the above-mentioned stitches 3a are stored as the above-mentioned stitches, the female cuts 3b (which can be cut if continuous) are stored with the female needle n, and the character frame stitches 4a are stored. .

Reference numeral 11 denotes a stepping motor control circuit,
Reference numeral 12 denotes a drive motor drive circuit, all of which are connected to the central processing unit (CPU) 1.

As shown in FIG. 1, an X-direction control stepping motor 13 and a Y-direction control stepping motor 14 are provided so as to be driven by an output signal of a stepping motor control circuit 11. These X direction control stepping motor 13 and Y direction control stepping motor 1
4 is provided in embroidery sewing machine A ₁ of the embroidery function sewing machine A.

As shown in FIG. 3, the output signal of the stepping motor control circuit 11 is used to control the X-direction control stepping motor 13, the switching drive motor 15 for switching between the needle bar amplitude motor and the Y-direction stepping motor, Feed adjustment motors 16 are provided so as to be drivable.
These X-direction control stepping motor 13, switching the drive motor 15, the feed adjusting motor 16 is provided to the composite embroidery sewing machine A _2.

The drive motor 17 is also driven by an output signal of the drive motor control circuit 12.

Reference numeral 18 denotes a pattern display device, on which temporary data and processing information of pattern data and edge forming data are displayed, and the currently selected pattern is displayed on the sewing machine A with the embroidery function. I have.

As shown in FIG. 1, the sewing machine A with the embroidery function is provided with the XY drive section 19 as described above, and is controlled by the X-direction control stepping motor 13 and the Y-direction control stepper. When the motor 14 is driven, the carriage guide moves in the X direction, and a carriage body that follows the carriage guide in the X direction and is also movable in the Y direction by the Y direction control stepping motor 14 is provided. . An embroidery frame B is provided on the carriage body via an attachment so as to be appropriately movable in the XY directions.

Next, the operation of the embodiment will be described with reference to the flowchart shown in FIG. 2. First, a start key is pressed to select a pattern (S1). At this time, since there are an internal pattern and an external pattern, when a selection key is pressed to select an appropriate pattern from the internal patterns, the previously stored pattern data storage means (ROM) 8 stores the selected pattern storage means. (RAM) 7. At the same time, the selected pattern is displayed on the pattern display device 18. Then, one of the stitches 3a, the knife cutting 3b, and the character frame stitching 4a is pressed and selected by the edge forming keys 3 and 4 (S2).

Here, when the knife cutting 3b is selected by the edge forming key 3 and appropriately controlled, the X-direction control stepping motor 13 and the Y-direction control stepping motor 14 are driven by the output signal of the stepping motor control circuit 11. Then, the drive motor 17 is driven by the output signal of the drive motor control circuit 12 to perform embroidery (S5). More specifically, as shown in the figure, an embroidery stitch 20 of the alphabet A is performed, and thereafter, when the embroidery stitch 20 is completed (S7), a message is displayed to change to the female needle n (S8). When the scalpel needle n is mounted on this basis (S9), the edge data is read out in conjunction therewith, and the scalpel cutting 3b is executed along the outer shape of the embroidery stitch 20 (S11). And it is completed (S12).

Next, when the stitch 3a is selected (S3
NO), the embroidery sewing 20 is performed in the same manner as described above (S
6 and S13), when the embroidery sewing 20 is completed, a message indicating that the mesh 3a is to be formed is displayed (S1).
4). Thereafter, the edge data is read out (S15), and execution of the stitch 3a is performed along the outer shape of the embroidery stitch 20 (S16).

Further, when the character frame sewing 4a is selected (S4), the embroidery sewing 20 is performed in the same manner as described above.
When the embroidery sewing 20 is completed (S20), a message indicating that the character frame sewing 4a is to be performed is displayed (S2).
1). Thereafter, the edge data is read (S22), and the character frame stitching 4a is executed along the embroidery stitch 20 (S23 to S24).

As described above, the stepping motor control circuit 11 controls the X-direction control stepping motor 13 and Y
A general device that drives the direction control stepping motor 14 and drives the carriage guide in the XY directions, or
The stepping motor control circuit 11 drives the X-direction control stepping motor 13, the switching drive motor 15 for switching between the needle bar amplitude motor and the Y-direction stepping motor, and the feed adjustment motor 16 for feed adjustment. A general device for driving in the −Y direction is a stepping motor drive mechanism.

FIG. 10 shows a state in which two or more embroidery characters are stored and edges are continuously formed. Such a case is referred to as a plurality of characters. In addition to selecting the character frame sewing 4a, the edge forming key 4 includes a plurality of character frame sewing 4a.
b is provided to be selectable. This multiple character frame sewing 4
The length of the combination pattern b is programmed to be automatically calculated in the storage means (ROM) 10 of the edge forming system program when a plurality of characters are used. As a result, as shown in FIG. 10, a plurality of character frame stitches 4b are executed by forming a rectangle around the plurality of character embroidery patterns 21 or the like. In Specifically, determined by calculating the horizontal L multi-character embroidery 21, and obtains horizontal L ₁ of more character frame sewing 4b also the upper and lower pieces of the lateral length L ₁ point and each side piece of the longitudinal position of the sides An edge is formed in a frame shape. Since the vertical stitches are always formed to the same length (embroidery characters) even if they are not programmed, there is no need for calculation.

FIG. 3 is a flowchart showing an embodiment in which the plural character frame stitches 4b are provided. That is, the character frame sewing 4a (S130) and the plural character frame sewing 4
b (S125), and the operation is the same as that of the first embodiment (see FIG. 2) (see S101 to S132).

With respect to the execution of the above-described stitches 3a, character frame stitches 4a, and multiple character frame stitches 4b, the embroidery thread is removed to form stitch holes, character frame stitch holes, and multiple character frame stitch holes using only needles. Sometimes they do.

FIG. 11 is a view showing a needle drop at the time of performing the seam 3a forming the edge and the knife cutting 3b by the template 22.
The method of positioning is shown. After the pattern for forming the edge is sewn, the template 22 is adjusted to the embroidery pattern, and the needle position is set to the edge forming start point 22a. The template 22 is removed, and an edge is formed. Since the edge formation start point 22a is common to all patterns, the template 22 can be used in common. To match the embroidery pattern, the lower end of the embroidery pattern is aligned with the line 22b of the template 22, and the embroidery pattern is set at the center of the circle 22c.

[0036]

First, according to the first aspect of the present invention, a central processing unit 1 for driving and controlling all the components of the apparatus and a pattern selection unit for selecting a desired pattern from a pattern data storage unit 8 storing a plurality of pattern data. A selection pattern storage means for storing selected pattern data selected by the operation of the means, and controlling the stepping motor drive mechanism and the XY drive section in accordance with the read data of the selected pattern data to perform embroidery stitching. In the sewing machine A with an embroidery function capable of forming a pattern, a plurality of different-shaped edge forming keys 3, 4 in which a knife cutting 3b and a seam allowance for sewing are set in accordance with the pattern selected by the operation, An edge forming system for forming an edge for setting a sewing margin around the embroidery stitch 20 by operating the pattern selecting operation of the selecting means 2 and operating the edge forming keys 3 and 4. The edge forming sewing machine provided with the storage means 10 for storing the gram is used. When a desired one of the plurality of edge forming keys 3 and 4 is selected, the previously sewn pattern or the edge forming key 3 or 4 is selected. Immediately before pressing, the edge forming data of the selected pattern is read out from the selected pattern storing means (RAM) 7 and the edge forming is performed. Therefore, there is the greatest advantage that the embroidery stitch 20 and desired edge formation (stitch 3a, knife cutting 3b, character frame stitch 4a) can be performed in series. In particular, a desired edge can be formed around the embroidery stitch 20 such as the stitch 3a, the scalpel cut 3b, the character frame stitch 4a, etc., and the range of choice of the edge formation can be increased, which can meet a great demand.

Furthermore, since a plurality of edges can be easily formed, embroidery is frequently used as an applique, and the sewing machine A having an embroidery function having the XY drive unit 19 can be effectively used. is there.

Next, in the invention of claim 2, according to claim 1, when the embroidery character is a plurality of characters, the storage means 10 for storing an edge forming system program for forming an edge of the plurality of character frame stitches 4b is provided. In particular, when the embroidery stitch 20 has a plurality of characters, that is, a plurality of characters embroidery 21, not the character frame stitch 4 a but the surroundings of the plurality of characters embroidery 21. For example, an edge can be formed as a simple plural-character-frame stitch 4b having a rectangular shape. Other effects are claimed in claim 1.
Is the same as

[Brief description of the 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 perspective view of embroidery sewing.

FIG. 6 is a perspective view showing the cutting of a scalpel for forming an edge.

FIG. 7 is a plan view showing a seam for forming an edge;

FIG. 8 is a plan view showing a scalpel for forming an edge.

FIG. 9 is a plan view showing a character frame for forming an edge.

FIG. 10 is a plan view in which a plurality of character frames for forming edges are formed.

FIG. 11 is a plan view of a template for a hoop.

[Explanation of symbols]

 A: sewing machine with embroidery function 1: central processing unit 2 ... pattern selection means 3, 4 ... edge forming key 3b ... knife cutting 7 ... selected pattern storage means 8 ... pattern data storage means 10 ... storage means 19 ... XY drive unit 20 ... embroidery

────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Yasuhiro Nagauchi 3-1-1 Kyobashi, Chuo-ku, Tokyo Inside Snake Eye Sewing Machine Industry Co., Ltd. (72) Inventor Takayuki Kawazato 3-1-1 Kyobashi, Chuo-ku, Tokyo No. 1 Inside Janome Sewing Machine Co., Ltd. (72) Inventor Yukio Hosaka 3-1-1 Kyobashi, Chuo-ku, Tokyo Inside Janome Eye Sewing Machine Co., Ltd. (72) Koichi Asai 3-chome, Kyobashi, Chuo-ku, Tokyo No. 1-1 Inside Janome Eye Sewing Machinery Co., Ltd. (72) Inventor Yoshiyoshi Toshima 3-1-1 Kyobashi, Chuo-ku, Tokyo Inside Snake Eye Sewing Machine Co., Ltd. (72) Inventor Seiji Amano Kyobashi, Chuo-ku, Tokyo JP-A-1-299584 (JP, A) JP-A-2-29359 (JP, A) JP-A-52-99149 P, A) JP-A-4-244185 (JP, A) JP-A-5-261187 (JP, A) JP-A-5-96071 (JP, A) JP-A-61-39085 (JP, U) (58) ) Surveyed field (Int.Cl. ⁶ , DB name) D05B 19/00-21/00 D05B 3/00 D05C 5/00-5/06

Claims (2)

(57) [Claims] 1. A central processing unit that drives and controls all the components of the apparatus, and stores selected pattern data selected by operating a pattern selection unit that selects a desired pattern from a pattern data storage unit that stores a plurality of pattern data. and the selected pattern storage means for
Comprising, in the selection pattern data stepping motor drive mechanism according to the read data and X-Y drive unit control to allow forming embroidery stitches and the embroidery function sewing machine, in response to the pattern selected by the operator Female
Seam allowances for cutting and sewing are set in several different
Key and a pattern selecting operation of the pattern selecting means.
Sewing around embroidery stitches by operation with the edge forming key
Hemming sewing machine characterized by comprising a storage means for storing the hemming system program for forming an edge for setting the cash. 2. An embroidery stitch according to claim 1,
Sew around multiple characters if multiple characters
Hemming sewing machine characterized by comprising a storage means for storing the hemming system program for forming an edge for setting the cash.