EP1308548B1 - Sewing and embroidering machine - Google Patents
Sewing and embroidering machine Download PDFInfo
- Publication number
- EP1308548B1 EP1308548B1 EP02405816A EP02405816A EP1308548B1 EP 1308548 B1 EP1308548 B1 EP 1308548B1 EP 02405816 A EP02405816 A EP 02405816A EP 02405816 A EP02405816 A EP 02405816A EP 1308548 B1 EP1308548 B1 EP 1308548B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- embroidery frame
- embroidery
- drive unit
- impulse
- sewing
- 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.)
- Expired - Lifetime
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B19/00—Programme-controlled sewing machines
- D05B19/02—Sewing machines having electronic memory or microprocessor control unit
- D05B19/12—Sewing machines having electronic memory or microprocessor control unit characterised by control of operation of machine
- D05B19/16—Control of workpiece movement, e.g. modulation of travel of feed dog
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B39/00—Workpiece carriers
Definitions
- the invention relates to a sewing or embroidery machine according to the preamble of patent claim 1.
- the embroidering of a material, which is clamped in an embroidery frame and driven by a drive unit in the X and Y directions, is known.
- the drive unit is often part of the forearm; in household sewing machines, the drive units, also called embroidery modules, are docked to the sewing machine, ie to the forearm and / or the base plate and held there free of play.
- the connection between the embroidery frame and the drive unit is made by an embroidery frame carrier, which is connected to the drive elements in the drive unit, and holding and locking devices on the hoop.
- the pulse-generating switching means in DE 29612102 U 1 also serve to visually indicate via the display on a display device (display) on the sewing machine of the seamstress which embroidery frame (eg round, oval, square, etc.) is docked and also, at which docking on the hoop this is done.
- a display device display
- the seamstress is also put into the picture, which sewing area within the embroidery frame can now be embroidered.
- the display also shows the pattern to be embroidered in the sewing area.
- Object of the present invention is therefore to provide a sewing or embroidery machine with a drive unit for a hoop, with which drive unit not only the type and size of the hoop and the docking position on the hoop, but also the exact actual position of the hoop with respect to the drive unit and so that the needle position can be determined.
- the arrangement of one or more reference points on the embroidery frame makes it possible, on the one hand, to determine the exact position of the Determine hoop relative to the reference zero point on the drive unit and on the other hand also determine whether the embroidery hoop is correctly connected to the embroidery frame carrier or determine whether an embroidery frame is docked on the embroidery frame carrier.
- a correction can be automatically made with the machine control or the start of embroidering can be prevented. This makes it possible to guide and create embroidery motifs over an area extending beyond the embroidery area without the attachment and follow-up points to the previously embroidered areas being visible after the embroidery frame has been moved.
- the sewing machine according to Figure 1 includes the usual, sometimes unspecified sewing organs, controls and other equipment. It consists essentially of the sewing machine housing 1, the free arm 3 and the base plate 5. On the machine housing 1 are a screen 7 (display), a trackball 9 with associated actuator button 11 and delete button 13 and a row of keys 15 for the direct selection of unspecified special functions arranged. An opening 17 is used to hold external storage means, such as program cards for embroidery designs. Including the main switch 19, the connector 21 for the power supply and the socket 23 are arranged for the connection of a foot starter, not shown. The cooperating through the tap hole 25 with a not shown gripper device needle is denoted by 27, while the non-illustrated embroidery material holding down presser foot is denoted by 29.
- the base unit 31 of an embroidery module 33 connectable to the sewing machine by non-illustrated mechanical and electrical connection means includes program controlled drive means (eg, linear motors) for an embroidery frame carrier 35 in an embroidery frame drive unit 36 for driving the latter with the embroidery frame 37 attached thereto in the X direction.
- program controlled drive means eg, linear motors
- the drive means for driving the embroidery frame 37 are accommodated in the Y direction.
- the Embroidery frame 37 is connected via at least one releasable holding device 39 with the arranged in the embroidery frame carrier 35, not visible drive means. The structure of the holding device 39 will not be explained in detail.
- differently sized or differently shaped embroidery frames 37 can be connected to the embroidery module 33.
- the rectangular embroidery frame 37 shown in Figure 1 has only one holding device 39 on a narrow side; In the plan view according to FIG. 2, another longer embroidery frame 37 with two holding devices 39 spaced apart on one longitudinal side can be seen.
- FIG. 3 shows a detail of an even longer embroidery frame 37 with three holding devices 39.
- Each embroidery frame 37 comprises at least one tensioning device 41, with which a material can be clamped.
- Each holding device 39 comprises in the illustrated examples one or more control cams or prongs 43 and additionally each a reference cam or prongs 44.
- the latter have a relation to the embroidery frame 37 exactly predetermined position. Together with the exact known position of the drive unit 36 can with the reference cam 44, the actual position of the hoop 37 with the target position and, if deviations are detected, a correction is made.
- the position of the embroidery frame 37 can be corrected if, for example, steps of a stepping motor serving as a drive have been lost.
- a correction of the position of the embroidery frame 37 is of course not performed if the reference cam 44 can not be detected because the embroidery frame 37 is not or incompletely docked to the holding device 39.
- the reference cam 44 thus has several functions that ensure proper operation: It determines whether the actual position of the hoop 37 coincides with the target position and allows for correction. It further ensures proper attachment to the fixture 39 and stops the sewing machine if any of the parameters are out of order.
- a proximity sensor or other element are fixedly mounted on the embroidery frame carrier 35, with an identification of the control cam 43 and the reference cam 44 in a relative movement between the Embroidery frame 37 and the embroidery module 33 or scanned when docking.
- the number, the location and / or the geometric shape of the control cam 43 are the basis for recognizing the Embroidery frame position, the size and shape and the docking position of the hoop 37.
- the reference cam 44 is the exact and proper positioning of the hoop 37 with respect to the embroidery module 33rd
- the operation is explained in more detail below.
- the operator / seamstress looks for the suitable for the embroidery designs to be created hoop 37, clamped therein with the jig 41, the fabric in the form of a textile structure and then docks the hoop 37 to the embroidery module 33 at.
- the embroidery module 33 then passes the embroidery frame 37 in the Y direction past the impulse-giving button 45. This detects the control cam 43, the data of the docked embroidery frame 37 and the docking position, if the embroidery frame 37 has a plurality of docking positions.
- the exact position of the hoop 37 with respect to the drive unit 36 is ensured by the reference cam 44. At the same time the perfect attachment is checked.
- the sewing machine is prevented from starting the embroidering operation. If a difference between the actual and the nominal position is determined, then a correction takes place, ie the embroidery frame 37 is initially guided to the correct desired position before embroidering begins.
- a precisely defined reference point ie one with respect to the needle 27 exactly Defined position on the embroidery module 33. The checking of the target / actual position can be repeated during embroidering periodically or each time the reference cam 44 passes the button 45.
- the identification and adjusting means according to the invention also enable pattern-true embroidering of a sewing material in an embroidery frame 37 whose embroidery field is greater than the working range of the sewing machine. Consequently, the patterns overlapping the work area of the sewing machine can be completed in regions, and the adjacent areas can be seamlessly continued after the embroidery frame 37 has been adjusted.
- a complex division of the embroidery patterns into coherent individual patterns as proposed in US Pat. No. 6,237,516 B1, is not necessary.
- the first piercing location of the needle 27 after an embroidery frame displacement is calculated exactly by the machine control. The operator therefore has no adjustment to make, as proposed for example in US 5,865,133.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
Description
Gegenstand der Erfindung ist eine Näh- oder Stickmaschine gemäss Oberbegriff des Patentanspruchs 1.The invention relates to a sewing or embroidery machine according to the preamble of
Das Besticken eines Nähguts, das in einem Stickrahmen eingespannt und von einer Antriebseinheit in X- und Y-Richtung antreibbar ist, ist bekannt. Bei Stickmaschinen ist die Antriebseinheit häufig Teil des Unterarms; bei Haushalt-Nähmaschinen werden die Antriebseinheiten, auch Stickmodule genannt, an die Nähmaschine, d.h. an den Unterarm und/oder die Grundplatte angedockt und dort spielfrei gehalten. Die Verbindung zwischen dem Stickrahmen und der Antriebseinheit erfolgt durch einen Stickrahmenträger, der mit den Antriebselementen in der Antriebseinheit verbunden ist, und Halte- und Verriegelungsvorrichtungen am Stickrahmen. Es ist weiter bekannt, am Stickrahmen impulsgebende Schaltmittel, z.B. Zacken, Kurven oder Strich-codes etc., anzubringen, mit denen der angedockte Stickrahmen durch die Maschinensteuerung identifizierbar ist (DE 29612102 U1) und/oder mit denen die Andockstelle an einem Stickrahmen identifizierbar (US 6,237,516 B1) ist, bei dem mehrere Andockstellen vorhanden sind (DE 31 30 371 Al). Nebst der eindeutigen Identifikation des angedockten Stickrahmens dienen die impulsgebenden Schaltmittel in der DE 29612102 U1 auch dazu, auf einer Anzeigevorrichtung (Display) an der Nähmaschine der Näherin auch optisch über den Display anzugeben, welcher Stickrahmen (z.B. rund, oval, eckig etc.) angedockt ist und zudem, an welcher Andockstelle am Stickrahmen dies erfolgt ist. Mit der Angabe der Andockstelle wird die Näherin auch ins Bild gesetzt, welcher Nähbereich innerhalb des Stickrahmens nun bestickbar ist. Auf dem Display kann zudem das im betreffenden Nähbereich zu stickende Muster angezeigt werden.The embroidering of a material, which is clamped in an embroidery frame and driven by a drive unit in the X and Y directions, is known. In embroidery machines, the drive unit is often part of the forearm; in household sewing machines, the drive units, also called embroidery modules, are docked to the sewing machine, ie to the forearm and / or the base plate and held there free of play. The connection between the embroidery frame and the drive unit is made by an embroidery frame carrier, which is connected to the drive elements in the drive unit, and holding and locking devices on the hoop. It is also known, on the hoop pulse-imparting switching means, such as spikes, curves or bar codes, etc., to install, with which the docked hoop is identifiable by the machine control (DE 29612102 U1) and / or with which the docking point on an embroidery hoop is identifiable (US 6,237,516 B1), in which a plurality of docking sites are present (DE 31 30 371 Al). In addition to the unambiguous identification of the docked embroidery hoop, the pulse-generating switching means in DE 29612102 U 1 also serve to visually indicate via the display on a display device (display) on the sewing machine of the seamstress which embroidery frame (eg round, oval, square, etc.) is docked and also, at which docking on the hoop this is done. By indicating the docking point, the seamstress is also put into the picture, which sewing area within the embroidery frame can now be embroidered. The display also shows the pattern to be embroidered in the sewing area.
Aus der DE 29612102 U1 ist folglich bekannt, eine Identifikation der Art und Grösse des angedockten Stickrahmens an der Antriebseinheit vorzunehmen und die erfassten Daten bezüglich Art und Grösse des Stickrahmens auf einer Anzeigevorrichtung grafisch darzustellen. Weiterhin ist es möglich, durch die zentrale Maschinen-Steuervorrichtung, die SOLL-Relativlage des Stickrahmens in Bezug auf die Nadel und das Stichloch festzustellen und später von dieser Referenzposition aus den Stickvorgang zu starten.
Mit den bekannten Vorrichtungen kann also die Art und Grösse des Stickrahmens und auch der Ort des Andockens an Stickrahmen mit mehreren Andockstellen festgestellt werden und damit die Relativlage des Stickrahmens in Bezug auf die Nadel erkannt werden. Jedoch ist es nicht möglich, Fehler im Antriebssystem zu erkennen, wenn beispielsweise Schritte im Schrittmotor durch irgendwelche Umstände verloren gegangen sind und folglich der Stickrahmenträger sich nicht an der SOLL-Position befindet.It is therefore known from DE 29612102 U1 to carry out an identification of the type and size of the docked embroidery frame on the drive unit and to graphically display the acquired data regarding the type and size of the embroidery frame on a display device. Further, it is possible to detect, by the central machine control device, the target relative position of the embroidery frame with respect to the needle and the stitch hole, and later start embroidering from this reference position.
With the known devices so the nature and Size of the hoop and also the location of docking with embroidery hoop are detected with multiple docking and thus the relative position of the hoop are detected with respect to the needle. However, it is not possible to detect faults in the drive system, for example, if steps in the stepper motor have been lost due to any circumstances, and consequently the embroidery frame carrier is not in the TARGET position.
Aufgabe der vorliegenden Erfindung ist daher die Schaffung einer Näh- oder Stickmaschine mit einer Antriebseinheit für einen Stickrahmen, mit welcher Antriebseinheit nicht nur die Art und Grösse des Stickrahmens sowie die Andockposition am Stickrahmen, sondern zusätzlich die exakte IST-Lage des Stickrahmens bezüglich der Antriebseinheit und damit der Nadelposition feststellbar ist.Object of the present invention is therefore to provide a sewing or embroidery machine with a drive unit for a hoop, with which drive unit not only the type and size of the hoop and the docking position on the hoop, but also the exact actual position of the hoop with respect to the drive unit and so that the needle position can be determined.
Gelöst wird diese Aufgabe durch eine Näh- oder Stickmaschine mit den Merkmalen des Patentanspruchs 1. Vorteilhafte Ausgestaltungen der Erfindung sind in den abhängigen Ansprüchen definiert.This object is achieved by a sewing or embroidery machine with the features of
Die Anordnung eines oder mehrerer Referenzpunkte auf dem Stickrahmen, die jeweils in einem exakt definierten Abstand zu einem Referenznullpunkt an der Antriebseinheit liegen, ermöglicht es, einerseits die exakte Lage des Stickrahmens bezüglich des Referenznullpunktes an der Antriebseinheit festzustellen und andererseits auch festzustellen, ob der Stickrahmen korrekt mit dem Stickrahmenträger verbunden ist bzw. festzustellen, ob überhaupt ein Stickrahmen am Stickrahmenträger angedockt ist. Mit der Kenntnis der exakten IST-Lage zum Referenznullpunkt kann auch bei einer Abweichung, beispielsweise durch verlorene Schritte der Schrittmotore in der Antriebseinheit, mit der Maschinensteuerung automatisch eine Korrektur vorgenommen oder der Beginn des Stickens verhindert werden. Dies ermöglicht es, Sticksujets über eine über den Stickbereich hinausgehende Fläche zu führen und zu erstellen, ohne dass nach dem Versetzen des Stickrahmens die Ansetz- und Folgepunkte an die zuvor gestickten Bereiche sichtbar sind.The arrangement of one or more reference points on the embroidery frame, which lie in each case at a precisely defined distance from a reference zero point on the drive unit, makes it possible, on the one hand, to determine the exact position of the Determine hoop relative to the reference zero point on the drive unit and on the other hand also determine whether the embroidery hoop is correctly connected to the embroidery frame carrier or determine whether an embroidery frame is docked on the embroidery frame carrier. With the knowledge of the exact actual position to the reference zero point, even with a deviation, for example as a result of lost steps of the stepper motors in the drive unit, a correction can be automatically made with the machine control or the start of embroidering can be prevented. This makes it possible to guide and create embroidery motifs over an area extending beyond the embroidery area without the attachment and follow-up points to the previously embroidered areas being visible after the embroidery frame has been moved.
Anhand eines illustrierten Ausführungsbeispieles wird die Erfindung näher erläutert. Es zeigen
Figur 1- eine perspektivische Darstellung einer Nähmaschine mit angedockter Stickeinheit,
- Figur 2
- eine Aufsicht auf die Nähmaschine und die Stickeinheit gemäss
Figur 1, Figur 3- eine Teilansicht eines Stickrahmens mit mehreren Andockstellen,
- Figur 4
- ein impulsgebendes Schaltmittel (Sensor) an der Antriebseinheit.
- FIG. 1
- a perspective view of a sewing machine with docked embroidery unit,
- FIG. 2
- a plan view of the sewing machine and the embroidery unit according to Figure 1,
- FIG. 3
- a partial view of an embroidery hoop with several docking points,
- FIG. 4
- an impulsive switching means (sensor) on the drive unit.
Die Nähmaschine gemäss Figur 1 umfasst die üblichen, teilweise nicht näher bezeichneten Nähorgane, Bedienungselemente und sonstigen Ausrüstungsteile. Sie besteht im wesentlichen aus dem Nähmaschinengehäuse 1, dem Freiarm 3 und der Grundplatte 5. Am Maschinengehäuse 1 sind ein Bildschirm 7 (Display), eine Rollkugel 9 mit zugeordneter Betätigungstaste 11 und Löschtaste 13 und eine Tastenreihe 15 für die Direktwahl von nicht näher bezeichneten Sonderfunktionen angeordnet. Eine öffnung 17 dient zur Aufnahme externer Speichermittel, z.B. von Programmkarten für Stickmuster. Darunter sind die Hauptschalter 19, die Steckverbindung 21 für den Netzanschluss und die Steckdose 23 für den Anschluss eines nicht dargestellten Fussanlassers angeordnet. Die durch das Stichloch 25 hindurch mit einer nichtgezeigten Greifervorrichtung zusammenwirkende Nadel ist mit 27 bezeichnet, während der das nichtgezeigte Stickgut niederhaltende Nähfuss mit 29 bezeichnet ist.
Die Basiseinheit 31 eines durch nichtgezeigte mechanische und elektrische Verbindungsmittel mit der Nähmaschine verbindbaren Stickmoduls 33 enthält die programmgesteuerten Antriebsmittel (z.B. Linearmotoren) für einen Stickrahmenträger 35 in einer Stickrahmen-Antriebseinheit 36 zum Antreiben des letzteren mit dem daran befestigten Stickrahmen 37 in X-Richtung. Im Stickrahmenträger 35 sind die Antriebsmittel zum Antreiben des Stickrahmens 37 in Y-Richtung untergebracht. Der Stickrahmen 37 ist über mindestens eine lösbare Haltevorrichtung 39 mit dem im Stickrahmenträger 35 angeordneten, nicht sichtbaren Antriebsmittel verbunden. Der Aufbau der Haltevorrichtung 39 wird nicht näher erläutert.The sewing machine according to Figure 1 includes the usual, sometimes unspecified sewing organs, controls and other equipment. It consists essentially of the
The
Entsprechend den auszuführenden Stickarbeiten können wahlweise verschieden grosse oder verschieden geformte Stickrahmen 37 mit dem Stickmodul 33 verbunden werden.Depending on the embroidery work to be carried out, differently sized or differently shaped
Der in Figur 1 dargestellte rechteckige Stickrahmen 37 weist nur eine Haltevorrichtung 39 an einer Schmalseite auf; in der Aufsicht gemäss Figur 2 ist ein anderer längerer Stickrahmen 37 mit zwei beabstandet an einer Längsseite angeordneten Haltevorrichtungen 39 ersichtlich. Figur 3 stellt einen Ausschnitt eines noch längeren Stickrahmens 37 mit drei Haltevorrichtungen 39 dar. Jeder Stickrahmen 37 umfasst mindestens eine Spannvorrichtung 41, mit der ein Nähgut festgespannt werden kann.The
Jede Haltevorrichtung 39 umfasst in den dargestellten Beispielen einen oder mehrere Steuernocken oder -zacken 43 und zusätzlich je einen Referenznocken oder -zacken 44. Letztere weisen eine bezüglich des Stickrahmens 37 exakt vorgegebene Position auf. Zusammen mit der exakt bekannten Lage der Antriebseinheit 36 kann mit dem Referenznocken 44 die IST-Lage des Stickrahmens 37 mit der SOLL-Lage verglichen und - falls Abweichungen festgestellt werden - eine Korrektur vorgenommen werden. Korrigieren lässt sich die Lage des Stickrahmens 37, wenn beispielsweise Schritte eines als Antrieb dienenden Schrittmotors verloren gegangen sind. Eine Korrektur der Position des Stickrahmens 37 wird selbstverständlich nicht durchgeführt, wenn der Referenznocken 44 nicht detektiert werden kann, weil der Stickrahmen 37 nicht oder unvollständig an der Haltevorrichtung 39 angedockt ist. Der Referenznocken 44 hat folglich mehrere Funktionen, die einen einwandfreien Betrieb sicherstellen: Er stellt fest, ob die IST-Position des Stickrahmens 37 mit der SOLL-Position übereinstimmt und ermöglicht eine Korrektur. Er stellt weiter die einwandfreie Befestigung an der Haltevorrichtung 39 sicher und stoppt die Nähmaschine, wenn einer der Parameter nicht in Ordnung ist.Each
Zum Abtasten der Steuer- 43 und des zugeordneten Referenznockens 44 sind am Stickrahmenträger 35 impulsgebende Schaltmittel wie ein Taster 45 oder eine Lichtschranke, ein Näherungssensor oder ein anderes Element ortsfest angebracht, mit dem eine Identifizierung der Steuernocken 43 und des Referenznockens 44 bei einer Relativbewegung zwischen dem Stickrahmen 37 und dem Stickmodul 33 oder beim Andocken abtastbar sind. Die Anzahl, die Lage und/oder die geometrische Gestalt der Steuernocken 43 sind die Basis für das Erkennen der Stickrahmenposition, der Grösse und Form sowie der Andockposition des Stickrahmens 37. Der Referenznocken 44 dient der exakten und einwandfreien Positionierung des Stickrahmens 37 bezüglich dem Stickmodul 33For scanning the
Nachfolgend wird die Funktionsweise näher erläutert.
Die Bedienungsperson/Näherin sucht sich den für die zu erstellenden Stickmuster passenden Stickrahmen 37, spannt darin mit der Spannvorrichtung 41 das Nähgut in Gestalt einen textilen Gebildes ein und dockt danach den Stickrahmen 37 an das Stickmodul 33 an. Das Stickmodul 33 führt anschliessend den Stickrahmen 37 in Y-Richtung am impulsgebenden Taster 45 vorbei. Dieser erfasst dabei an den Steuernocken 43 die Daten des angedockten Stickrahmens 37 und die Andockposition, falls der Stickrahmen 37 mehrere Andockpositionen aufweist. Die exakte Position des Stickrahmens 37 bezüglich der Antriebseinheit 36 wird durch den Referenznocken 44 sichergestellt. Gleichzeitig wird die einwandfreie Befestigung überprüft. Ist die Befestigung zwischen Stickrahmen 37 und Haltevorrichtung 39 nicht korrekt, so wird die Nähmaschine daran gehindert, den Stickvorgang zu beginnen. Wird eine Differenz zwischen der IST- und der SOLL-Position festgestellt, so erfolgt eine Korrektur, d.h. der Stickrahmen 37 wird vorerst an die richtige SOLL-Position geführt, bevor der Stickvorgang beginnt. Als Referenz dient ein exakt definierter Referenzpunkt, d.h. eine bezüglich der Nadel 27 exakt definierte Position am Stickmodul 33. Das Überprüfen der SOLL-/IST-Lage kann während des Stickens periodisch oder bei jedem Vorbeifahren des Referenznocken 44 am Taster 45 wiederholt werden.The operation is explained in more detail below.
The operator / seamstress looks for the suitable for the embroidery designs to be created
Die erfindungsgemässen Identifikations- und Justiermittel ermöglichen ein mustergetreues Besticken eines Nähguts auch in einem Stickrahmen 37, dessen Stickfeld grösser ist als der Arbeitsbereich der Nähmaschine. Die den Arbeitbereich der Nähmaschine überlappenden Muster können folglich bereichsweise fertig gestellt und die benachbarten Bereiche nach dem Verstellen des Stickrahmens 37 nahtlos weiter geführt werden. Ein aufwendige Aufteilung der Stickmuster in zusammenhängende Einzelmuster, wie dies in der US 6,237,516 B1 vorgeschlagen wird, ist nicht notwendig. Der erste Einstichort der Nadel 27 nach einer Stickrahmen-Verschiebung wird exakt durch die Maschinensteuerung errechnet. Die Bedienungsperson hat folglich keine Justierung vorzunehmen, wie die beispielsweise in der US 5,865,133 vorgeschlagen wird.The identification and adjusting means according to the invention also enable pattern-true embroidering of a sewing material in an
Claims (3)
- Sewing or embroidery machine having an embroidery module (33) with an embroidery frame drive unit (36) for driving exchangeable embroidery frames (37) of different sizes in the X and in the Y direction, having an embroidery frame carrier (39) on the embroidery frame drive unit (36) for detachable connection of the embroidery frame (37) to the drive unit (36) and having an embroidery frame (37) with an embroidery frame holding and locking device (39) for producing a clearance-free connection between the drive unit (36) and the embroidery frame (37), comprising furthermore impulse-triggering means (43) on the embroidery frame (37) and impulse-generating switching means (45) on the drive unit (36) for identifying the coupled embroidery frame (37), characterised in that, on the embroidery frame (37), a reference element (44) is associated with each impulse-triggering means (43), which reference element can be identified and read by a stationary sensor (45) mounted on the drive unit (35) as switching means and which reference element compares the actual reference position which is detected by the sensor (45) on the reference element (44 with the nominal position of the embroidery frame (37) relative to the holding device (39).
- Sewing and embroidery machine according to claim 1, characterised in that the impulse-triggering reference element for determining the reference position comprises at least one reference cam (44), the geometric position of which on the embroidery frame (37) is defined exactly.
- Sewing and embroidery machine according to claim 1 or 2, characterised in that the actual position of the embroidery frame (37) relative to the drive unit (36), during each passage of the impulse-triggering reference elements (43, 44) past the impulse-generating switching means (45), can be checked and corrected by means of the machine control unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH20132001 | 2001-11-02 | ||
| CH20132001 | 2001-11-02 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1308548A2 EP1308548A2 (en) | 2003-05-07 |
| EP1308548A3 EP1308548A3 (en) | 2004-11-24 |
| EP1308548B1 true EP1308548B1 (en) | 2006-03-22 |
Family
ID=4567131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP02405816A Expired - Lifetime EP1308548B1 (en) | 2001-11-02 | 2002-09-23 | Sewing and embroidering machine |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6568337B1 (en) |
| EP (1) | EP1308548B1 (en) |
| AT (1) | ATE321163T1 (en) |
| DE (1) | DE50206136D1 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3815565B2 (en) * | 2003-02-27 | 2006-08-30 | ブラザー工業株式会社 | Embroidery sewing machine |
| US20070022930A1 (en) * | 2003-05-29 | 2007-02-01 | Aisin Seiki Kabushiki Kaisha | Embroidering and dyeing system |
| JP2007513656A (en) * | 2003-12-15 | 2007-05-31 | フリツツ・ゲガウフ・アクチエンゲゼルシヤフト・ベルニナ・ネーマシイネンフアブリーク | Method and apparatus for controlling needle movement in a sewing machine |
| DE502006000556D1 (en) * | 2005-06-21 | 2008-05-15 | Bernina Int Ag | Method and device for minimizing stitching errors in embroidery devices |
| DE502006000763D1 (en) * | 2005-11-07 | 2008-06-26 | Bernina Int Ag | Embroidery module for a free-arm sewing machine |
| JP2007244463A (en) * | 2006-03-14 | 2007-09-27 | Brother Ind Ltd | Fabric holding frame transfer device for sawing machine |
| JP4974044B2 (en) * | 2006-03-23 | 2012-07-11 | ブラザー工業株式会社 | Embroidery sewing machine |
| JP2008307159A (en) * | 2007-06-13 | 2008-12-25 | Brother Ind Ltd | Sewing machine capable of embroidery sewing |
| JP5141299B2 (en) * | 2008-02-28 | 2013-02-13 | ブラザー工業株式会社 | sewing machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6035458B2 (en) | 1980-08-02 | 1985-08-14 | アイシン精機株式会社 | embroidery frame |
| DE29612102U1 (en) * | 1996-07-11 | 1996-09-12 | Fritz Gegauf AG Bernina-Nähmaschinenfabrik, Steckborn, Thurgau | Device for automatically identifying an embroidery frame on a sewing or embroidery machine |
| DE29614512U1 (en) | 1996-08-21 | 1996-10-02 | Fritz Gegauf AG Bernina-Nähmaschinenfabrik, Steckborn, Thurgau | Device for releasably attaching an embroidery frame |
| EP0860533A3 (en) * | 1997-02-25 | 1999-04-07 | G.M. Pfaff Aktiengesellschaft | Method for embroidering oversized patterns |
| JP4239319B2 (en) * | 1999-09-30 | 2009-03-18 | ブラザー工業株式会社 | sewing machine |
-
2002
- 2002-09-23 DE DE50206136T patent/DE50206136D1/en not_active Expired - Lifetime
- 2002-09-23 EP EP02405816A patent/EP1308548B1/en not_active Expired - Lifetime
- 2002-09-23 AT AT02405816T patent/ATE321163T1/en not_active IP Right Cessation
- 2002-10-31 US US10/284,712 patent/US6568337B1/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| DE50206136D1 (en) | 2006-05-11 |
| EP1308548A2 (en) | 2003-05-07 |
| US6568337B1 (en) | 2003-05-27 |
| ATE321163T1 (en) | 2006-04-15 |
| US20030084831A1 (en) | 2003-05-08 |
| EP1308548A3 (en) | 2004-11-24 |
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