JP2002166080A - Embroidery device - Google Patents
Embroidery deviceInfo
- Publication number
- JP2002166080A JP2002166080A JP2000368088A JP2000368088A JP2002166080A JP 2002166080 A JP2002166080 A JP 2002166080A JP 2000368088 A JP2000368088 A JP 2000368088A JP 2000368088 A JP2000368088 A JP 2000368088A JP 2002166080 A JP2002166080 A JP 2002166080A
- Authority
- JP
- Japan
- Prior art keywords
- embroidery
- embroidery frame
- frame
- movement
- moving
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 238000009958 sewing Methods 0.000 claims description 14
- 238000004364 calculation method Methods 0.000 abstract description 4
- 238000013500 data storage Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000009956 embroidering Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、刺繍装置に関す
る。The present invention relates to an embroidery device.
【０００２】[0002]
【従来の技術】刺繍装置は、針を上下させる縫い機構
と、該縫い機構に対して布を移動させる刺繍枠の機構と
から構成されている。刺繍枠は通常ＸＹ方向に移動する
ようになっており、刺繍模様に応じて刺繍枠を移動させ
て刺繍を実行する構成になっている。刺繍枠移動は当然
に針が布から上がっている間に行う必要があり、針の上
下運動の位相を検出するセンサを設けて、該センサから
の信号により刺繍枠移動を開始する構成を採用してい
る。そして近年の刺繍スピードの高速化の要望に伴い、
刺繍枠の移動の高速化が望まれており、例えば刺繍スピ
ード８００ｓｐｍで刺繍する場合、刺繍枠の移動は３５
ｍｓで終了する必要がある等、高速での駆動が必要であ
る。2. Description of the Related Art An embroidery apparatus comprises a sewing mechanism for moving a needle up and down, and an embroidery frame mechanism for moving a cloth with respect to the sewing mechanism. The embroidery frame normally moves in the X and Y directions, and embroidery is executed by moving the embroidery frame according to the embroidery pattern. Needless to say, the embroidery frame movement must be performed while the needle is rising from the cloth, and a sensor for detecting the vertical movement of the needle is provided, and the embroidery frame movement is started by a signal from the sensor. ing. And with the recent demand for faster embroidery speed,
It is desired to speed up the movement of the embroidery frame. For example, when embroidering at an embroidery speed of 800 spm, the movement of the embroidery frame is 35
High-speed driving is necessary, for example, it is necessary to end the processing in ms.
【０００３】[0003]
【発明が解決しようとする課題】しかし、刺繍枠の移動
機構には、ステッピングモータ等の駆動源と機構部分の
機械的な伝達遅れがあるため、十分な高速化ができない
問題があった。本発明は上記従来技術の問題を解決する
ことを目的とする。However, the mechanism for moving the embroidery frame has a problem in that the speed cannot be sufficiently increased because there is a mechanical transmission delay between a drive source such as a stepping motor and a mechanical part. An object of the present invention is to solve the above-mentioned problems of the prior art.
【０００４】[0004]
【課題を解決するための手段】上記目的を達成するため
に、本発明は刺繍枠をＸＹ方向に移動させて刺繍を行う
刺繍装置において、前記刺繍枠の駆動伝達遅れに相当す
る時間だけ早く刺繍枠の移動開始を行わせるための刺繍
枠移動開始信号を出力する手段と、該刺繍枠移動開始信
号に従って刺繍枠の移動を行わせる手段と、を備えたこ
とを特徴とする。また、前記刺繍枠が移動可能となる時
点を検出する手段と、前記移動可能となる時点よりも、
所定時間早く刺繍枠の移動開始を行わせるための刺繍枠
移動開始信号を出力する手段と、該刺繍枠移動開始信号
に従って刺繍枠の移動を行わせる手段と、を備えたこと
を特徴とする。更に刺繍縫い機構と刺繍枠とを備え、該
刺繍枠を刺繍縫い機構に対してＸＹ方向に移動させて刺
繍を行う刺繍装置において、前記刺繍縫い機構の縫い速
度に対応した周期のパルス信号を出力する手段と、前記
刺繍枠が移動可能となる時点を検出する手段と、前記パ
ルス信号に基づいて、前記移動可能となる時点よりも、
所定時間早く刺繍枠の移動開始を行わせるための刺繍枠
移動開始信号を出力する手段と、該刺繍枠移動開始信号
に従って刺繍枠の移動を行わせる手段と、を備えたこと
を特徴とする。上記構成により、伝達遅れに見合った時
間だけ早く刺繍枠の始動が開始されるから、刺繍枠の移
動速度を速めることが可能になる。In order to achieve the above object, the present invention relates to an embroidery apparatus for performing embroidery by moving an embroidery frame in the X and Y directions. A means for outputting an embroidery frame movement start signal for starting the movement of the frame, and means for moving the embroidery frame in accordance with the embroidery frame movement start signal are provided. Also, means for detecting a point in time at which the embroidery frame is movable, and
A means for outputting an embroidery frame movement start signal for starting the movement of the embroidery frame earlier by a predetermined time, and a means for moving the embroidery frame in accordance with the embroidery frame movement start signal are provided. Further, in an embroidery apparatus that includes an embroidery sewing mechanism and an embroidery frame and moves the embroidery frame in the XY directions with respect to the embroidery sewing mechanism, a pulse signal having a cycle corresponding to a sewing speed of the embroidery sewing mechanism is output. Means for detecting when the embroidery frame is movable, and means for detecting when the embroidery frame is movable, based on the pulse signal,
A means for outputting an embroidery frame movement start signal for starting the movement of the embroidery frame earlier by a predetermined time, and a means for moving the embroidery frame in accordance with the embroidery frame movement start signal are provided. According to the above configuration, the start of the embroidery frame is started earlier by a time corresponding to the transmission delay, so that the moving speed of the embroidery frame can be increased.
【０００５】[0005]
【発明の実施の形態】以下本発明の実施の形態を図面に
基づいて説明する。図１及び図２は、刺繍装置を備えた
ミシンであり、ＣＰＵ１及びプログラム記憶装置１０に
格納されたプログラムにより全体の制御を行っている。
ＣＰＵ１はミシンモータ駆動回路３０を介してモータ３
１を制御し、縫い目形成機構３３を駆動して縫い目を形
成させる。縫い目形成機構３３は図２に示すように針３
４を備えている。モータ３１の回転速度は回転速度セン
サ３２により検出されフィードバックされるようになっ
ている。Embodiments of the present invention will be described below with reference to the drawings. FIGS. 1 and 2 show a sewing machine provided with an embroidery device, which performs overall control by a program stored in a CPU 1 and a program storage device 10.
The CPU 1 controls the motor 3 via the sewing machine motor drive circuit 30.
1 is controlled, and the stitch forming mechanism 33 is driven to form a stitch. The stitch forming mechanism 33 is provided with the needle 3 as shown in FIG.
4 is provided. The rotation speed of the motor 31 is detected by a rotation speed sensor 32 and fed back.
【０００６】ミシンの内部に設けられた縫い目機構への
動力伝達機構である上軸にはエンコーダ５とタイミング
信号発生装置６とが連結されている。エンコーダ５は上
軸の回転角に対応するパルスを出力し、該パルスの周期
は上軸の回転速度に比例している。即ち、エンコーダ５
のパルス信号の周期は針３４の上下運動速度に比例して
いる。[0006] An encoder 5 and a timing signal generator 6 are connected to an upper shaft which is a power transmission mechanism to a stitch mechanism provided inside the sewing machine. The encoder 5 outputs a pulse corresponding to the rotation angle of the upper shaft, and the cycle of the pulse is proportional to the rotation speed of the upper shaft. That is, the encoder 5
The period of the pulse signal is proportional to the vertical movement speed of the needle 34.
【０００７】タイミング信号発生装置６は上軸に設けら
れた光センサなどにより、種々のタイミング信号を出力
するものであり、図４に示す刺繍枠移動可能開始点Ａ２
の信号及び送り位相終了点Ａ１の出力を行うようになっ
ている。The timing signal generator 6 outputs various timing signals by means of an optical sensor or the like provided on the upper shaft. The embroidery frame movable start point A2 shown in FIG.
And the output of the transmission phase end point A1.
【０００８】刺繍対象物である布を保持する刺しゅう枠
２３は、ＸＹ移動機構２２によりＸＹ方向に移動するよ
うになっている。ＸＹ移動機構２２はＸＹモータ２１及
びＸＹモータ駆動回路２０により駆動されるように構成
されている。図３はＸＹ移動機構２２の駆動特性曲線で
ある。図示するように移動開始後１５ｍｓ程度は機構の
伝達遅れにより移動距離は殆どない。１５ｍｓ経過後に
徐々に移動を開始する。従って、移動開始を早めれば、
実質的に刺しゅう枠２３の移動時間を短縮可能である。An embroidery frame 23 for holding a cloth to be embroidered is moved in the XY directions by an XY moving mechanism 22. The XY moving mechanism 22 is configured to be driven by the XY motor 21 and the XY motor drive circuit 20. FIG. 3 is a driving characteristic curve of the XY moving mechanism 22. As shown in the figure, there is almost no movement distance for about 15 ms after the start of movement due to the transmission delay of the mechanism. After 15 ms, the movement starts gradually. Therefore, if you start moving earlier,
The movement time of the hoop 23 can be substantially reduced.
【０００９】駆動開始点演算装置２は駆動開始点を早め
るための演算を行うものである。図４に示すようにタイ
ミング信号発生装置６からの信号であるＡ２点でＸＹモ
ータ駆動回路２０に駆動信号を出力した場合、図３に示
すように移動開始の遅れが生ずる。この遅れをいま１５
ｍｓとすると、図４に示す駆動開始点Ｓ１を駆動開始点
演算装置２により求めるようになっている。The drive start point calculating device 2 performs a calculation for hastening the drive start point. When a drive signal is output to the XY motor drive circuit 20 at a point A2 which is a signal from the timing signal generator 6 as shown in FIG. 4, a delay in the start of movement occurs as shown in FIG. This delay is now 15
Assuming that ms, the drive start point S1 shown in FIG.
【００１０】駆動開始点演算装置２の構成としては種々
のものが可能であるが、この実施形態ではＡ１点からＳ
１までのパルス数を求めるようになっている。即ち、Ａ
１点からＡ２点までの角度を７４度とすれば、エンコー
ダ５からのパルス信号の周波数（１／周期ｔ１）の７４
／３６０がＡ１点からＡ２点までのパルス数となる。ま
た、Ａ２点から遅れ時間１５ｍｓに相当するパルス数は
周波数（１／ｔ１）ｘ０．０１５（秒）である。従っ
て、Ａ１からＳ１までのパルス数Ｐは、 Ｐ＝（１／ｔ１）ｘ（７４／３６０）ー（１／ｔ１）ｘ
０．０１５ で求められる。Although various configurations are possible for the driving start point calculating device 2, in this embodiment, the driving start point calculating device 2 is shifted from the point A1 to the point S.
The number of pulses up to 1 is determined. That is, A
If the angle from the point 1 to the point A2 is 74 degrees, the frequency (1 / period t1) of the pulse signal from the encoder 5 becomes 74.
/ 360 is the number of pulses from point A1 to point A2. The number of pulses corresponding to a delay time of 15 ms from the point A2 is frequency (1 / t1) × 0.015 (second). Therefore, the pulse number P from A1 to S1 is: P = (1 / t1) × (74/360) − (1 / t1) x
It is calculated as 0.015.
【００１１】ＣＰＵ１は駆動開始点演算装置２で演算し
たパルス数Ｐにより駆動開始点Ｓ１時点でＸＹモータ駆
動回路２０に駆動指令を出力し、刺しゅう枠２３の移動
を開始させる。開始後１５ｍｓは刺しゅう枠２３は殆ど
移動せず、１５ｍｓ後に移動を始める時点ではＡ２点に
なっており、移動可能期間となるため、刺しゅう枠２３
の移動が可能である。The CPU 1 outputs a drive command to the XY motor drive circuit 20 at the drive start point S1 based on the pulse number P calculated by the drive start point calculation device 2 to start the movement of the embroidery frame 23. The embroidery frame 23 hardly moves for 15 ms after the start, and the embroidery frame 23 is at the point A2 at the time of starting the movement after 15 ms.
Can be moved.
【００１２】なお、縫い目データ記憶装置１１には刺繍
すべき縫い目データが格納されており、模様選択釦５１
によりユーザが刺繍すべき模様を選択できるようになっ
ている。これらの模様は表示制御装置４０を介して表示
装置４１に表示されるようになっている。また回転速度
指令装置５０はミシンモータ駆動回路３０の速度をコン
トロールするもので、ユーザが任意に速度を設定可能に
なっている。１１は縫い目データ記憶装置である。The stitch data storage device 11 stores stitch data to be embroidered.
Allows the user to select a pattern to be embroidered. These patterns are displayed on the display device 41 via the display control device 40. The rotation speed command device 50 controls the speed of the sewing machine motor drive circuit 30 and allows the user to set the speed arbitrarily. Reference numeral 11 denotes a stitch data storage device.
【００１３】なお上記実施形態は刺繍装置を備えたミシ
ンであったが、これに限定されるものではなく、刺繍専
用の装置であっても良い。In the above embodiment, the sewing machine is provided with an embroidery device. However, the present invention is not limited to this, and a device dedicated to embroidery may be used.
【００１４】[0014]
【発明の効果】以上説明したように、本発明の刺繍装置
では、刺繍枠駆動機構の伝達遅れに相当する時間だけ早
く駆動を開始するようにしているため、刺繍枠移動の高
速化が図れる効果がある。As described above, in the embroidery apparatus of the present invention, the driving is started earlier by the time corresponding to the transmission delay of the embroidery frame driving mechanism, so that the speed of moving the embroidery frame can be increased. There is.
【図１】本発明の一実施形態を示す機能ブロック図。FIG. 1 is a functional block diagram showing an embodiment of the present invention.
【図２】本発明の一実施形態の外観を示す斜視図。FIG. 2 is a perspective view showing the appearance of an embodiment of the present invention.
【図３】刺繍枠の移動の遅れを示す説明図。FIG. 3 is an explanatory diagram showing a delay in the movement of an embroidery frame.
【図４】本発明の一実施形態の動作を示す説明図。FIG. 4 is an explanatory diagram showing the operation of the embodiment of the present invention.
１：ＣＰＵ、２：駆動開始点演算装置、５：エンコー
ダ、６：タイミング信号発生装置、１０：プログラム記
憶装置、１１：縫い目データ記憶装置、１２：一時記憶
装置、２０：ＸＹモータ駆動回路、２１：ＸＹモータ、
２２：ＸＹ移動機構、２３：刺しゅう枠、３０：ミシン
モータ駆動回路、３１：モータ、３２：回転速度セン
サ、３３：縫い目形成機構、３４：針、４０：表示制御
装置、４１：表示装置、５０：回転速度指令装置、５
１：模様選択釦。1: CPU, 2: Drive start point calculation device, 5: Encoder, 6: Timing signal generation device, 10: Program storage device, 11: Stitch data storage device, 12: Temporary storage device, 20: XY motor drive circuit, 21 : XY motor,
22: XY moving mechanism, 23: embroidery frame, 30: sewing machine motor drive circuit, 31: motor, 32: rotation speed sensor, 33: seam forming mechanism, 34: needle, 40: display control device, 41: display device, 50 ： Rotation speed command device, 5
1: Pattern selection button.
Claims (3)
う刺繍装置において、 前記刺繍枠の駆動伝達遅れに相当する時間だけ早く刺繍
枠の移動開始を行わせるための刺繍枠移動開始信号を出
力する手段と、該刺繍枠移動開始信号に従って刺繍枠の
移動を行わせる手段と、を備えたことを特徴とする刺繍
装置。1. An embroidery apparatus for performing embroidery by moving an embroidery frame in the XY directions, wherein an embroidery frame movement start signal for starting movement of the embroidery frame earlier by a time corresponding to a drive transmission delay of the embroidery frame. An embroidery apparatus, comprising: means for outputting; and means for moving the embroidery frame in accordance with the embroidery frame movement start signal.
う刺繍装置において、 前記刺繍枠が移動可能となる時点を検出する手段と、 前記移動可能となる時点よりも、所定時間早く刺繍枠の
移動開始を行わせるための刺繍枠移動開始信号を出力す
る手段と、該刺繍枠移動開始信号に従って刺繍枠の移動
を行わせる手段と、を備えたことを特徴とする刺繍装
置。2. An embroidery apparatus for performing embroidery by moving an embroidery frame in the X and Y directions, comprising: means for detecting a point in time at which the embroidery frame is movable; and a predetermined time earlier than the point at which the embroidery frame is movable. An embroidery apparatus comprising: means for outputting an embroidery frame movement start signal for starting the movement of the embroidery frame; and means for moving the embroidery frame in accordance with the embroidery frame movement start signal.
枠を刺繍縫い機構に対してＸＹ方向に移動させて刺繍を
行う刺繍装置において、 前記刺繍縫い機構の縫い速度に対応した周期のパルス信
号を出力する手段と、前記刺繍枠が移動可能となる時点
を検出する手段と、 前記パルス信号に基づいて、前記移動可能となる時点よ
りも、所定時間早く刺繍枠の移動開始を行わせるための
刺繍枠移動開始信号を出力する手段と、該刺繍枠移動開
始信号に従って刺繍枠の移動を行わせる手段と、 を備えたことを特徴とする刺繍装置。3. An embroidery apparatus comprising an embroidery sewing mechanism and an embroidery frame, wherein the embroidery frame is moved in the X and Y directions with respect to the embroidery sewing mechanism to perform embroidery. Means for outputting a pulse signal; means for detecting the time when the embroidery frame becomes movable; and causing the embroidery frame to start moving a predetermined time earlier than the time when the embroidery frame becomes movable based on the pulse signal. An embroidery apparatus comprising: means for outputting an embroidery frame movement start signal for causing the embroidery frame to move in accordance with the embroidery frame movement start signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000368088A JP4712184B2 (en) | 2000-12-04 | 2000-12-04 | Sewing machine with embroidery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000368088A JP4712184B2 (en) | 2000-12-04 | 2000-12-04 | Sewing machine with embroidery device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2002166080A true JP2002166080A (en) | 2002-06-11 |
| JP4712184B2 JP4712184B2 (en) | 2011-06-29 |
Family
ID=18838402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000368088A Expired - Lifetime JP4712184B2 (en) | 2000-12-04 | 2000-12-04 | Sewing machine with embroidery device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4712184B2 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6159753B2 (en) * | 1984-07-31 | 1986-12-17 | Tokyo Juki Industrial Co Ltd | |
| JPH0380888A (en) * | 1989-08-24 | 1991-04-05 | Janome Sewing Mach Co Ltd | Frame movement controller for computerized embroidering device |
| JPH0428391A (en) * | 1990-05-25 | 1992-01-30 | Janome Sewing Mach Co Ltd | Safety device of electronic sewing machine having embroidering function |
| JPH04240475A (en) * | 1991-01-23 | 1992-08-27 | Mitsubishi Electric Corp | Controller for automatic sewing machine |
| JPH06205888A (en) * | 1992-12-28 | 1994-07-26 | Juki Corp | Sewing machine controller |
| JP2716613B2 (en) * | 1991-11-05 | 1998-02-18 | 三菱電機株式会社 | Method and apparatus for controlling automatic sewing machine |
-
2000
- 2000-12-04 JP JP2000368088A patent/JP4712184B2/en not_active Expired - Lifetime
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6159753B2 (en) * | 1984-07-31 | 1986-12-17 | Tokyo Juki Industrial Co Ltd | |
| JPH0380888A (en) * | 1989-08-24 | 1991-04-05 | Janome Sewing Mach Co Ltd | Frame movement controller for computerized embroidering device |
| JPH0428391A (en) * | 1990-05-25 | 1992-01-30 | Janome Sewing Mach Co Ltd | Safety device of electronic sewing machine having embroidering function |
| JPH04240475A (en) * | 1991-01-23 | 1992-08-27 | Mitsubishi Electric Corp | Controller for automatic sewing machine |
| JP2716613B2 (en) * | 1991-11-05 | 1998-02-18 | 三菱電機株式会社 | Method and apparatus for controlling automatic sewing machine |
| JPH06205888A (en) * | 1992-12-28 | 1994-07-26 | Juki Corp | Sewing machine controller |
Also Published As
| Publication number | Publication date |
|---|---|
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