EP1985736B1 - Method for applying flat pieces of material, cutting device and sewing machine for carrying out the method - Google Patents
Method for applying flat pieces of material, cutting device and sewing machine for carrying out the method Download PDFInfo
- Publication number
- EP1985736B1 EP1985736B1 EP08405032A EP08405032A EP1985736B1 EP 1985736 B1 EP1985736 B1 EP 1985736B1 EP 08405032 A EP08405032 A EP 08405032A EP 08405032 A EP08405032 A EP 08405032A EP 1985736 B1 EP1985736 B1 EP 1985736B1
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- EP
- European Patent Office
- Prior art keywords
- embroidery
- cutting
- cutting device
- material layer
- tip
- 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.)
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B37/00—Devices incorporated in sewing machines for slitting, grooving, or cutting
- D05B37/04—Cutting devices
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C7/00—Special-purpose or automatic embroidering machines
- D05C7/04—Special-purpose or automatic embroidering machines for boring or jogging
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B21/00—Sewing machines with devices for automatically controlling movement of work-carrier relative to stitch-forming mechanism in order to obtain particular configuration of seam, e.g. programme-controlled for sewing collars, for attaching pockets
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B3/00—Sewing apparatus or machines with mechanism for lateral movement of the needle or the work or both for making ornamental pattern seams, for sewing buttonholes, for reinforcing openings, or for fastening articles, e.g. buttons, by sewing
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B37/00—Devices incorporated in sewing machines for slitting, grooving, or cutting
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C7/00—Special-purpose or automatic embroidering machines
- D05C7/08—Special-purpose or automatic embroidering machines for attaching cords, tapes, bands, or the like
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C7/00—Special-purpose or automatic embroidering machines
- D05C7/10—Special-purpose or automatic embroidering machines for separating and burning-off parts of the base fabric
Definitions
- the present invention relates to a method for applying flat pieces of material of desired shape to an embroidery base by means of an embroidery machine.
- the invention further relates to a cutting device and an embroidery machine for carrying out the method.
- connection embroidery between the two fabrics can be carried out differently. So it is possible to sew the outlines of the figure with stitches and then cut out the fabric and again to embroider the edges tight. Furthermore, it is said that in all work, whether manual or machine embroidery on the careful cutting out of the substance should be paid attention. Use a fine embroidery scissors with the wider blade pointing to the bottom. If you cut with the tip pointing downwards, there is a risk of being cut into the embroidery floor.
- an embroidery machine which has an over the length of the embroidery machine extending carrier on which devices for embroidering sequins, devices for embroidering strings but also devices for applying flat pieces of material can be arranged. Furthermore, actuators extend over the length of the embroidery machine to actuate the devices for embroidering sequins or cords.
- the devices for applying have as a cutting device on a heated tip, which can be brought by an actuator, for example a pneumatic cylinder in the cutting position and back to the rest position.
- an actuator for example a pneumatic cylinder in the cutting position and back to the rest position.
- a single or multi-head embroidery machine is known, are combined in the processing tools such as embroidery tools, perforating tools, engraving tools and painting tools per job to a segment unit and are each connected to an embroidery head of the embroidery machine to arrange each individual tool this segment unit pattern predetermined with respect to a material web to be processed.
- the individual tool located at a workstation can be coupled with a drive and driven against the material surface.
- Each of these tools is arranged on a workbench facing the end of a segment rod, which is guided in a bore in a block.
- a working rod is driven. This working rod can be coupled via a quick coupling with one of the segment bars to drive them.
- This method has the advantage that no structural changes of the embroidery machine must be made. There are no special supports and actuators necessary. Rather, it is sufficient to replace the drill of the drilling device with a suitable cutting device at the desired embroidery, then the drill is activated by the program of the embroidery machine during operation of the embroidery machine for cutting the piece of material, to bring the cutting device in the cutting position. Next, a relative movement between the cutting device and the material layer is then generated by the program to cut out a flat piece of material.
- a fabric can be used as a liner.
- an intermediate layer which has a heat-reflecting coating is suitable.
- the invention is not limited to the application of tissue pieces. Other materials are also suitable, such as plastic films or nonwovens.
- the invention also relates to a cutting device for an embroidery machine equipped with at least one drilling device in order to cut out flat pieces of material of the desired shape from a material layer arranged above the embroidery base by means of the embroidery machine.
- the cutting device is characterized by fastening means for fastening the cutting device to the drilling device.
- the cutting device may have a support with a fastening portion, which is formed the same as the attachment portion of the drill of the drilling device.
- an advantageous embodiment of the cutting device provides that the attachment portion has a bore for attachment to a centering of the drilling device, and a notch for locking by the fastening device of the drilling device.
- Another embodiment of the cutting device provides that the support has a bayonet closure part for connection to a corresponding bayonet closure part of the drilling device.
- An advantageous embodiment of the cutting device has a heatable tip.
- the advantages of a heatable tip have already been described above.
- the heated tip could also be designed as a drill. This would have the advantage that the heated tip could not only be used for cutting but also for drilling.
- the heating of the tip is advantageously an electrical Heating cartridge. Conveniently, the tip is arranged replaceably on the heating element.
- the spacer pushes in the working position of the cutting instrument against the fabric layers and ensures that the tip can penetrate only in the material layer to be cut, but not in the embroidery floor.
- the spacer is expediently adjustable in order to fix the penetration depth of the heatable tip into the material layer.
- the spacer can be fastened with screws on the fastening part. But it could also be arranged only pluggable on the attachment part to allow a quick removal. This would be advantageous if the heated tip is not only used for cutting, but also for drilling. To allow drilling, the spacer should be removed.
- the tip has an electrical resistance heater in the cutting area.
- the tip has a piece of wire in a tube made of ceramic material, which is surrounded at the front and outside by a metal layer which serves as electrical resistance heating in the cutting area.
- the invention also relates to an embroidery machine with at least one cutting device according to one of claims 7 to 19.
- the drills can be arranged in different rapports on a drill ruler, which can be moved for drilling controlled by the program of the embroidery machine against the embroidery bottom.
- a drill ruler which can be moved for drilling controlled by the program of the embroidery machine against the embroidery bottom.
- each embroidery point can be equipped with a drill, with the program Individual embroidery sites can be controlled individually to operate the drill at these embroidery points.
- FIG. 1 shows a number of embroidery points in a Schifflitickmaschine that allows a color change, the needles 11 and the drill 13 are visible.
- FIG. 2 shows the corresponding arrangement on the drill ruler 18 of a standard embroidery machine without color change.
- a drill 13 has been replaced by a cutting device 15.
- a larger number of cutting devices 15 can be used, for example a cutting device at every fifth embroidery point.
- a fastening device 17 allows easy replacement of drill 13 and cutting device 15.
- the fastening device 17 is secured by means of the nut 19 on the drill bit 21 of the drilling device (not shown) and consists of a sheet metal part 23 to which a bracket 25 is articulated spring wire which has a long arm 24 and a short arm 26.
- the sheet metal part 23 has a forwardly extending resilient arm 27, whose front part is bent obliquely downwards and forms a hook 29 on which the long arm 24 can engage.
- the long arm 24 is pressed against the hook 29, wherein the long arm 24 and the resilient arm 27 deform resiliently to allow the engagement.
- the long arm 26 After latching on the hook 29, the long arm 26 remains under spring tension, so that the engaging in the notch 31 of the drill 13 short arm 26 on a pin 33 (FIG. FIG. 4 ) plugged drill 13 securely holds.
- the likewise a notch 31 'having cutting device 15 (FIG. Figures 5 and 7 ).
- the drill 13 can be easily replaced by a cutting device 15.
- the cutting device 15 consists essentially of a support 35, an electric immersion heater 37, a heatable tip 39 and a spacer 41.
- the spacer 41 has in front a disc-shaped part 40 with an opening 42 through which the heated tip 39 can protrude.
- the spacer 41 is adjustable with the screws 43, 44 attached to the support 35. This makes it possible to set the penetration depth of the exchangeable tip 39 into the material layer to be cut.
- the support 35 has a bore 45 which on the one hand receives the rear part of the heating cartridge 37.
- the bore 45 extends into the attachment portion 32 and allows the attachment of the cutting device 15 on the pin 33 of the drill tappet 21 (FIG. Fig. 5 ).
- a notch 31 'allows attachment to the drilling apparatus by means of the fastening device 17 in the same manner as the attachment of a drill 13.
- a lateral slot 47, (FIG. Fig. 6 ) in the support 35 allows the clamping of the heating cartridge 37 by the screw 44. Ventilation holes 49 in the spacer 41 prevent unwanted heating of the same by the heating cartridge 37th
- FIG. 8 shows another embodiment of the cutting device.
- the cutting device 15 ' also consists essentially of a support 35', an electric heating cartridge 37, a heated tip 39 and a spacer 41 '.
- the spacer 41 is fastened with screws 43 on the support 35 '. Long holes 46 allow the spacer 41 'to be displaced prior to tightening the screws 43 to define the penetration depth of the tip 39 into the material layer to be cut.
- the support 35 has a bore 45 with a slot 47 for receiving the rear part of the heating cartridge 37 and a bayonet lock 51, which has the same task as the attachment portion 32 in FIG. 5 ,
- a pin 53 is inserted in the bayonet lock 51 .
- the screw 44 serves to clamp the heating cartridge 37 and the bayonet closure part 51.
- a corresponding bayonet closure part 55 is provided with a helical spring 56.
- Fig. 9 shows a tip 39 'which does not require a heating cartridge 37.
- the tip 39 ' consists of a piece of wire 61 made of a high melting point material, for example nickel or tungsten, and is encased by a tube 63 or an electrically non-conductive layer, for example of ceramic.
- a thin metal layer 65 also having a high melting point, for example tungsten, surrounds the tube 63 in front and outside such that an electrical connection exists between the front end of the wire piece 61 and the metal layer 65.
- the tube 63 with the metal layer 65 is further surrounded by a relatively thick metal shell 66, for example made of copper, but leaves the cutting area 67 free.
- the metal jacket 66 is insulated by an insulating layer 69.
- Rear electrical terminals 71, 72 on the wire piece 61 and the metal shell 66 are arranged.
- the current flow causes the cutting region 67 to be heated.
- the heat is generated by electrical resistance heating in the cutting area. It is possible to rapidly change the heat because the mass of the heating metal layer in the heating region 67 is very small. This is of particular advantage when cutting out jagged contours.
- FIG. 10 shows a side view of the cutting device 15, as in particular from the Figures 5 and 7 can be seen, after insertion into an embroidery machine according to FIG. 1 .
- the drill 13 of the previous embroidery point including a fastening device 17 is intended to be cut in an application process with the embroidery machine
- the cutting device 15 is controlled by the program of the embroidery machine 15 by means of the plunger 21 of the drilling device from the starting position against the material layer to be cut 73 moves, wherein the heated tip 39 ( Fig. 7 ) penetrates into the material layer 73.
- the penetration depth of the tip 39 is limited by the spacer 41, which presses something against the material layer 73 with the disk-shaped part 40.
- the limited penetration depth prevents the embroidery bottom 75 located behind or below the material layer 73 from being damaged.
- the program of the embroidery machine After the penetration of the heated tip 39 into the material layer 73, the program of the embroidery machine generates a relative movement between the Tip 39 and the material layer 73, so that a flat piece of material of the programmed form is cut out. After completion of the cutting operation, the drilling device moves the cutting device 15 back to the starting position ( Fig. 1 ).
- At least one drill 13 is first exchanged by a cutting device 15 in an embroidery machine. Then, controlled by the program of the embroidery machine, the cutter 15 is brought into cutting position by means of the boring device, whereupon further controlled by the program, a relative movement is generated between the cutter 15 and the material layer 73 to cut out the piece of material.
- the cutting device 15 has a mounting portion 32 which is formed the same as the mounting portion 34 of the drill 13. For cutting, the cutting device 15 has a front heatable tip 39, which penetrates into the material layer 73 to be cut.
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- Textile Engineering (AREA)
- Treatment Of Fiber Materials (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
Description
Die vorliegende Erfindung betrifft ein Verfahren, um mittels einer Stickmaschine flächige Materialstücke von gewünschter Form auf einen Stickboden zu applizieren. Die Erfindung betrifft ferner auch eine Schneidvorrichtung und eine Stickmaschine zur Durchführung des Verfahrens.The present invention relates to a method for applying flat pieces of material of desired shape to an embroidery base by means of an embroidery machine. The invention further relates to a cutting device and an embroidery machine for carrying out the method.
Unter Stickmaschinen werden hier in Übereinstimmung mit dem Werk von Schöner/Fricker "Stickereitechniken", Leipzig 1982, S.18/20, Stiche erzeugende Maschinen verstanden, die in der Lage sind, die Richtung und in der Regel auch die Grösse jedes einzelnen Stiches innerhalb der technischen Grenzen frei zu variieren. Dies ermöglicht es, dekorative Muster zu erzeugen. Stickmaschinen werden aber seit einiger Zeit auch dazu verwendet, Muster mit technischen Funktionen, zum Beispiel elektrische Leiter, zu erzeugen. Die meisten heute im Einsatz stehenden Stickmaschinen arbeiten nach dem Zweifadensystem, und die Erzeugung der Stickmuster auf dem Stickboden erfolgt programmgesteuert. Im wesentlichen unterscheidet man Grossstick- und Kleinstickmaschinen. Als Grossstickmaschinen haben die Schifflistickmaschinen die grösste Verbreitung. Bei Schifflistickmaschinen sind die Nadeln in einer Reihe linear angeordnet. Weniger verbreitet sind die vor allem von der Firma Pfaff hergestellten Flächenstickmaschinen, bei denen die Nadeln über das gesamte Stickfeld verteilt sind. Gemäss Schöner/ Freier, S. 100, dienen sie der Herstellung von grossflächigen Waren wie Tischdecken, Gardinen, Stick-Steppwaren, usw. Auch sogenannte Steppmaschinen sind technisch gesehen Grossstickmaschinen. Sie arbeiten ebenfalls mit Schiffchen, besitzen aber im Gegensatz zu Flächenstickmaschinen, mit denen ebenfalls Stick-Steppware hergestellt werden können, nur eine Reihe von Nadeln. Als Kleinstickmaschinen sind insbesondere Ein- und Mehrkopf-Stickautomaten bekannt.Under embroidery machines are understood here in accordance with the work of beautiful / Fricker "Embroidery techniques", Leipzig 1982, p.18 / 20, engraving machines that are capable of the direction and usually the size of each individual engraving within the technical limits to vary freely. This makes it possible to produce decorative patterns. However, embroidery machines have also been used for some time to produce patterns with technical functions, such as electrical conductors. Most embroidery machines in use today operate on the two-thread system, and the production of the embroidery patterns on the embroidery base is program-controlled. Essentially, a distinction is made between large embroidery machines and small knitting machines. As a large embroidery machine, the shipping knitting machines are the most widely used. In shipping knitting machines, the needles are arranged linearly in a row. Less widely used are the surface embroidery machines, which are mainly produced by Pfaff, in which the needles are distributed over the entire embroidery field. According to Schöner / Freier, p. 100, they serve the production of large-area goods such as tablecloths, curtains, embroidery quilted goods, etc. Also so-called quilting machines are technically large embroidery machines. They also work with boats, but in contrast to surface embroidery machines, which can also be used to produce embroidery quilted goods, they only have a number of needles. As a small knitting machines in particular single and multi-head embroidery machines are known.
Im Werk von Schöner/ Freier, S. 310 f. wird unter dem Begriff "Applikation" das Aufnähen von anderen Materialien oder Gegenständen, im engeren Sinne von ausgeschnittenen Stoffteilen, beziehungsweise Stofffiguren oder Formen aus anderem verschiedenen aufeinandergehefteten Stoffen, von denen entweder vor oder nach dem Aufnähen gewisse Teile zum Zwecke der Musterbildung weg- beziehungsweise ausgeschnitten werden. Die zu applizierenden Stoffe müssen sich dabei - wenn sie die ornamentale Aufgaben erfüllen sollen - hinsichtlich ihrer Farbe oder Textur unterscheiden, sie müssen sich entweder materialmässig oder sonstwie durch Gegensätze, wie Mattheit und Glanz usw., voneinander abheben. "Schöner/Freier unterscheiden zwei Gruppen von Applikationen, nämlich solche bei denen bereits ausgeschnittene Formteile als Figuren aufgestickt werden und solche mit zwei oder mehr zusammen gestickten Stoffen, von denen nach dem Befestigen, bzw. nach dem Besticken Teile ausgeschnitten werden.In the work of Schöner / Freier, p. 310 f. is the term "application" the sewing of other materials or objects, in the narrow sense of cut fabric pieces, or fabric figures or forms of other various stitched fabrics, some of which are cut away or cut out for patterning either before or after sewing. The substances to be applied must - if they are to fulfill the ornamental tasks - differ in terms of their color or texture, they have to stand out either material or otherwise by opposites, such as dullness and shine, etc., from each other. "Beautiful / Freer distinguish two groups of applications, namely those in which already cut-out moldings are embroidered as figures and those with two or more embroidered fabrics, from which parts are cut after fastening or after embroidering.
Im Werk von Schöner/Freier, S. 312, wird weiter erwähnt, dass die Verbindungsstickerei zwischen den beiden Stoffen verschieden ausgeführt werden kann. So sei es möglich, die Umrisslinien der Figur mit Steppstichen abzunähen und danach den Stoff auszuschneiden und die Ränder nochmals eng zu umsticken. Weiter heisst es, dass bei allen Arbeiten, ob Hand- oder Maschinenstickerei auf das sorgfältige Ausschneiden des Stoffes zu achten sei. Man verwende dazu eine feine Stickschere, deren breitere Klinge nach unter gerichtet werde. Schneide man mit nach unten gerichteter Spitze, so bestehe die Gefahr, dass in den Stickboden eingeschnitten werde.In the work of Schöner / Freier, p. 312, it is further mentioned that the connection embroidery between the two fabrics can be carried out differently. So it is possible to sew the outlines of the figure with stitches and then cut out the fabric and again to embroider the edges tight. Furthermore, it is said that in all work, whether manual or machine embroidery on the careful cutting out of the substance should be paid attention. Use a fine embroidery scissors with the wider blade pointing to the bottom. If you cut with the tip pointing downwards, there is a risk of being cut into the embroidery floor.
In der bereits im Jahre 1995 veröffentlichten
In der nicht vorveröffentlichten
Die Vorrichtungen zum Applizieren weisen als Schneidvorrichtung eine beheizbare Spitze auf, welche durch einen Aktuator, zum Beispiel einen pneumatischen Zylinder in die Schneidstellung und wieder zurück in die Ruhestellung gebracht werden können. Diese Vorrichtungen sind relativ teuer in der Herstellung und sind nur zusammen mit den sich über die Länge der Stickmaschine erstreckenden ebenfalls relativ teuren Strukturen anwendbar, die für die Vorrichtungen zum Ansticken von Pailletten oder Schnüren notwendig sind.The devices for applying have as a cutting device on a heated tip, which can be brought by an actuator, for example a pneumatic cylinder in the cutting position and back to the rest position. These devices are relatively expensive to manufacture and are only applicable together with the equally expensive structures extending across the length of the embroidery machine, which structures are necessary for sequin or lace embroiderers.
Aus der
Es ist daher Aufgabe der Erfindung, ein Verfahren und eine Vorrichtung zu schaffen, welche es erlaubt, mittels einer Stickmaschine flächige Materialstücke, zum Beispiel in Form von Figuren aus Textilmaterial oder einem anderen geeigneten Material, auf einen Stickboden zu applizieren, ohne dass die Stickmaschine mit zusätzlichen Trägem und Betätigungsorganen oder Strukturen zur Aufnahme und zur Betätigung solcher Vorrichtungen ausgerüstet werden muss.It is therefore an object of the invention to provide a method and an apparatus which makes it possible to apply by means of an embroidery machine surface pieces of material, for example in the form of figures made of textile material or other suitable material, on an embroidery bottom without the embroidery machine with additional carriers and actuators or structures for receiving and operating such devices must be equipped.
Erfindungsgemäss wird dies erreicht durch ein Verfahren gemäss Anspruch 1.According to the invention, this is achieved by a method according to
Dieses Verfahren hat den Vorteil, dass keine strukturelle Änderungen der Stickmaschine vorgenommen werden müssen. Es sind keine speziellen Supporte und Betätigungsorgane notwendig. Vielmehr genügt es, an den gewünschten Stickstellen den Bohrer der Bohrvorrichtung mit einer geeigneten Schneidvorrichtung auszutauschen, wobei dann im Betrieb der Stickmaschine zum Ausschneiden des Materialstückes die Bohrvorrichtung durch das Programm der Stickmaschine aktiviert wird, um die Schneidvorrichtung in die Schneidstellung zu bringen. Weiter wird dann durch das Programm eine Relativbewegung zwischen der Schneidvorrichtung und der Materialschicht erzeugt, um ein flächiges Materialstück auszuschneiden.This method has the advantage that no structural changes of the embroidery machine must be made. There are no special supports and actuators necessary. Rather, it is sufficient to replace the drill of the drilling device with a suitable cutting device at the desired embroidery, then the drill is activated by the program of the embroidery machine during operation of the embroidery machine for cutting the piece of material, to bring the cutting device in the cutting position. Next, a relative movement between the cutting device and the material layer is then generated by the program to cut out a flat piece of material.
Grundsätzlich könnte als Schneidvorrichtung ein Laser oder ein mechanischer Schneidapparat dienen. Es bestehen aber auf der Stickmaschine im Bereicht der Bohrvorrichtung meist enge Platzverhältnisse, welche die Verwendung solcher Apparate erschweren. Zweckmässigerweise erfolgt deshalb das Ausschneiden des Materialstückes durch eine beheizte Spitze.In principle, could serve as a cutting device, a laser or a mechanical cutting apparatus. However, there are usually on the embroidery machine in the area of the drilling device tight space, which complicate the use of such apparatus. Conveniently, therefore, the cutting out of the piece of material by a heated tip.
Nach langen Versuchen und Testläufen wurde gefunden, dass das Schneiden der Materialschicht durch die beheizbare Spitze recht zuverlässig erfolgen kann. Bedenken, dass dadurch der unter der Materialschicht liegende Stickboden durch die Hitze beschädigt wird, haben sich weitgehend als unbegründet erwiesen. Voraussetzung ist jedoch die richtige Materialwahl und die richtige Vorschubsgeschwindigkeit, sowie die richtige Temperatur der beheizbaren Spitze. Erfahrungswerte hierfür können durch Probeläufe ermittelt werden. Es hat sich als zweckmässig erwiesen, als Stickboden ein Gewebe aus Naturfasern und als Materialschicht ein Gewebe aus Kunstfasern zu verwenden. Bei der richtigen Vorschubsgeschwindigkeit und Hitze der beheizbaren Spitze erfolgt das Schneiden durch Schmelzen der Kunstfasern.
Wenn der Stickboden relativ wärmeempfindlich ist, empfiehlt es sich zur Wärmedämmung zwischen dem Stickboden und der Materialschicht eine Zwischenlage einzulegen, welche mittels eines Lösungsmittels aufgelöst werden kann. Es kann dann nach der Beendigung der Stick- und Applikationsarbeiten die Zwischenlage durch Einlegen der Stickerei in ein Lösungsmittelbad entfernt werden.After long trials and test runs, it was found that the cutting of the material layer by the heatable tip can be done quite reliably. Concern that this will damage the underlay of the material layer due to the heat, have proved largely unfounded. Prerequisite, however, is the correct choice of material and the correct feed rate, as well as the correct temperature of the heated tip. Experience can be determined by trial runs. It has proven to be useful to use as embroidery bottom, a fabric made of natural fibers and as a material layer, a fabric made of synthetic fibers. At the correct feed rate and heat of the heated tip, cutting is accomplished by melting the synthetic fibers.
If the embroidery floor is relatively sensitive to heat, it is recommended for thermal insulation between the embroidery floor and the material layer to insert an intermediate layer, which can be dissolved by means of a solvent. It can then be removed after completion of the embroidery and application work, the liner by inserting the embroidery in a solvent bath.
Als Zwischenlage kann ein Gewebe verwendet werden. Für besonders wärmeempfindliche Stickböden eignet sich eine Zwischenlage, welche eine wärmereflektierende Beschichtung aufweist.
Die Erfindung ist nicht auf das Applizieren von Gewebestücken beschränkt. Es eignen sich auch andere Materialien, wie zum Beispiel Kunststofffolien oder Nonwoven.As a liner, a fabric can be used. For particularly heat-sensitive adhesive floors, an intermediate layer which has a heat-reflecting coating is suitable.
The invention is not limited to the application of tissue pieces. Other materials are also suitable, such as plastic films or nonwovens.
Die Erfindung betrifft auch eine Schneidvorrichtung für eine mit mindestens einer Bohrvorrichtung ausgerüsteten Stickmaschine um mittels der Stickmaschine flächige Materialstücke von gewünschter Form aus einer über dem Stickboden angeordneten Materialschicht auszuschneiden. Erfindungsgemäss ist die Schneidvorrichtung gekennzeichnet durch Befestigungsmittel zur Befestigung der Schneidvorrichtung an der Bohrvorrichtung. Zu diesem Zweck kann die Schneidvorrichtung einen Support mit einem Befestigungsabschnitt aufweisen, welcher gleich ausgebildet ist wie der Befestigungsabschnitt des Bohrers der Bohrvorrichtung. Soll somit eine Stickmaschine für Applikationsarbeiten umgerüstet werden, so genügt es, an den für das Schneiden vorgesehenen Stickstellen den Bohrer durch eine Schneidvorrichtung zu ersetzen.The invention also relates to a cutting device for an embroidery machine equipped with at least one drilling device in order to cut out flat pieces of material of the desired shape from a material layer arranged above the embroidery base by means of the embroidery machine. According to the invention, the cutting device is characterized by fastening means for fastening the cutting device to the drilling device. For this purpose, the cutting device may have a support with a fastening portion, which is formed the same as the attachment portion of the drill of the drilling device. Thus, if an embroidery machine for application work to be converted, it is sufficient to replace the drill bit by a cutting device at the intended for cutting embroidery.
Eine vorteilhafte Ausführungsform der Schneidvorrichtung sieht vor, dass der Befestigungsabschnitt eine Bohrung zum Aufstecken auf einen Zentrierzapfen der Bohrvorrichtung, sowie einer Kerbe zur Arretierung durch die Befestigungsvorrichtung der Bohrvorrichtung aufweist. Eine andere Ausführungsform der Schneidvorrichtung sieht vor, dass der Support einen Bajonettverschlussteil zum Verbinden mit einem entsprechenden Bajonettverschlussteil der Bohrvorrichtung aufweist.An advantageous embodiment of the cutting device provides that the attachment portion has a bore for attachment to a centering of the drilling device, and a notch for locking by the fastening device of the drilling device. Another embodiment of the cutting device provides that the support has a bayonet closure part for connection to a corresponding bayonet closure part of the drilling device.
Eine vorteilhafte Ausführungsform der Schneidvorrichtung weist eine beheizbare Spitze auf. Die Vorteile einer beheizbaren Spitze sind bereits vorangehend beschrieben worden. Die beheizbare Spitze könnte auch als Bohrer ausgebildet sein. Dies hätte den Vorteil, dass die beheizbare Spitze nicht nur zum Schneiden, sondern auch zum Bohren dienen könnte. Dem Heizen der Spitze dient vorteilhaft eine elektrische Heizpatrone. Zweckmässigerweise ist die Spitze auswechselbar an der Heizpatrone angeordnet.An advantageous embodiment of the cutting device has a heatable tip. The advantages of a heatable tip have already been described above. The heated tip could also be designed as a drill. This would have the advantage that the heated tip could not only be used for cutting but also for drilling. The heating of the tip is advantageously an electrical Heating cartridge. Conveniently, the tip is arranged replaceably on the heating element.
Es hat sich als besonders empfehlenswert erwiesen, bei der beheizbaren Spitze einen Abstandhalter vorzusehen. Dieser Abstandhalter drückt in der Arbeitsstellung des Schneidinstruments gegen die Stoffschichten und gewährleistet, dass die Spitze nur in die zu schneidende Materialschicht, nicht aber in den Stickboden eindringen kann. Zweckmässigerweise ist der Abstandhalter verstellbar, um die Eindringtiefe der beheizbaren Spitze in die Materialschicht festzulegen. Der Abstandhalter kann mit Schrauben am Befestigungsteil befestigt sein. Er könnte aber auch nur steckbar am Befestigungsteil angeordnet sein, um ein rasches Entfernen zu ermöglichen. Dies wäre dann von Vorteil, wenn die beheizbare Spitze nicht nur zum Schneiden, sondern auch zum Bohren dient. Um das Bohren zu ermöglichen, sollte der Abstandhalter entfernt werden.It has proven particularly recommendable to provide a spacer for the heatable tip. This spacer pushes in the working position of the cutting instrument against the fabric layers and ensures that the tip can penetrate only in the material layer to be cut, but not in the embroidery floor. The spacer is expediently adjustable in order to fix the penetration depth of the heatable tip into the material layer. The spacer can be fastened with screws on the fastening part. But it could also be arranged only pluggable on the attachment part to allow a quick removal. This would be advantageous if the heated tip is not only used for cutting, but also for drilling. To allow drilling, the spacer should be removed.
Eine weitere Ausführungsform der Schneidvorrichtung sieht vor, dass die Spitze eine elektrische Widerstandsheizung im Schneidbereich aufweist. Vorteilhaft weist die Spitze ein Drahtstück in einem Rohr aus keramischen Material auf, das vorn und aussen von einer Metallschicht umgeben ist, die im Schneidbereich als elektrische Widerstandsheizung dient.Another embodiment of the cutting device provides that the tip has an electrical resistance heater in the cutting area. Advantageously, the tip has a piece of wire in a tube made of ceramic material, which is surrounded at the front and outside by a metal layer which serves as electrical resistance heating in the cutting area.
Die Erfindung betrifft auch eine Stickmaschine mit mindestens einer Schneidvorrichtung nach einer der Ansprüche 7 bis 19.The invention also relates to an embroidery machine with at least one cutting device according to one of claims 7 to 19.
Ausführungsbeispiele der Erfindung werden nun unter Bezugnahme auf die Zeichnungen beschrieben. Es zeigt:
- Fig. 1
- eine perspektivische Darstellung einer Anzahl von separat ein- und ausschaltbaren Stickstellen, wobei bei einer Stickstelle der Bohrer durch eine Schneidvorrichtung ersetzt wurde,
- Fig. 2
- die Anordnung der Bohrer bei einer Standardstickmaschine (ohne Farbwechsel), wobei ebenfalls ein Bohrer durch eine Schneidvorrichtung ersetzt wurde,
- Fig. 3
- die Befestigung des Bohrers mittels eines Klemmbügels, wobei zur Entnahme des Bohrers der Klemmbügel aus der Verankerung bereits gelöst ist,
- Fig. 4
- die Entnahme des Bohrers,
- Fig. 5
- das Einsetzen der Schneidvorrichtung,
- Fig. 6
- die Schneidvorrichtung
gemäss den Figuren 1, 2 und5 in Explosionsdarstellung, - Fig. 7
- die Schneidvorrichtung von
Figur 6 im zusammengebauten Zustand, - Fig. 8
- eine andere Ausführungsform der Schneidvorrichtung in Explosionsdarstellung,
- Fig. 9
- schematisch eine andere Ausführungsform der beheizbaren Spitze,
- Fig. 10
- eine Seitenansicht der in die Stickmaschine eingesetzten Schneidvorrichtung gemäss
Fig. 7 in Arbeitsstellung.
- Fig. 1
- a perspective view of a number of separately switched on and off embroidery sites, wherein at an embroidery site of the drill through a cutting device has been replaced,
- Fig. 2
- the arrangement of the drills in a standard embroidery machine (without color change), whereby also a drill was replaced by a cutting device,
- Fig. 3
- the attachment of the drill by means of a clamp, wherein for removing the drill of the clamp from the anchorage is already solved,
- Fig. 4
- the removal of the drill,
- Fig. 5
- the insertion of the cutting device,
- Fig. 6
- the cutting device according to the
FIGS. 1, 2 and5 in exploded view, - Fig. 7
- the cutting device of
FIG. 6 in assembled condition, - Fig. 8
- another embodiment of the cutting device in exploded view,
- Fig. 9
- schematically another embodiment of the heated tip,
- Fig. 10
- a side view of the cutting device used in the embroidery machine according
Fig. 7 in working position.
Wie aus dem eingangs zitierten Werk von Schöner/Freier, S. 72f. zu entnehmen ist, werden bei Stickmaschinen schon seit langer Zeit sogenannte Bohrer verwendet, um im Gewebe Löcher zu erzeugen, deren Ränder später umstickt werden. Die Bohrer sind vierkantige Stahlspitzen mit scharfen Schneidkanten, welche beim Eindringen in das Gewebe die Gewebefäden schneiden.As from the above quoted work by Schöner / Freier, p. 72f. It can be seen, so long as so-called drills are used in embroidery machines to produce holes in the fabric, the edges are reposted later. The drills are square edged steel tips with sharp cutting edges that cut the fabric threads as they enter the fabric.
Die Bohrer können in verschiedenen Rapporten auf einem Bohrerlineal angeordnet sein, das zum Bohren gesteuert durch das Programm der Stickmaschine gegen den Stickboden bewegt werden kann. Bei Stickmaschinen, die einen Farbwechsel erlauben, kann jede Stickstelle mit einem Bohrer ausgerüstet sein, wobei durch das Programm einzelne Stickstellen individuell angesteuert werden können, um an diese Stickstellen die Bohrer zu betätigen.The drills can be arranged in different rapports on a drill ruler, which can be moved for drilling controlled by the program of the embroidery machine against the embroidery bottom. For embroidery machines that allow a color change, each embroidery point can be equipped with a drill, with the program Individual embroidery sites can be controlled individually to operate the drill at these embroidery points.
Wie die
Wie insbesondere die
Der Support 35 weist eine Bohrung 45, welche einerseits den hinteren Teil der Heizpatrone 37 aufnimmt. Die Bohrung 45 erstreckt sich in den Befestigungsabschnitt 32 und erlaubt das Aufstecken der Schneidvorrichtung 15 auf den Zapfen 33 des Bohrerstössels 21 (
Der Support 35' besitzt eine Bohrung 45 mit einem Schlitz 47 zur Aufnahme des hinteren Teils der Heizpatrone 37 und eines Bajonettverschlussteils 51, das die gleiche Aufgabe besitzt wie der Befestigungsabschnitt 32 in
Im Betrieb wird durch den Stromfluss der Schneidbereich 67 erhitzt. Es erfolgt also die Wärmeerzeugung durch elektrische Widerstandsheizung im Schneidbereich. Es ist möglich die Hitze rasch zu ändern, weil die Masse der sich erwärmenden Metallschicht im Heizbereich 67 sehr klein ist. Dies ist von besonderem Vorteil beim Ausschneiden von zackigen Konturen.
During operation, the current flow causes the cutting
Um flächige Materialstücke von gewünschter Form auf einen Stickboden 75 zu applizieren wird bei einer Stickmaschine zuerst mindestens ein Bohrer 13 durch eine Schneidvorrichtung 15 ausgetauscht. Dann wird gesteuert durch das Programm der Stickmaschine die Schneideinrichtung 15 mittels der Bohrvorrichtung in Schneidstellung gebracht, worauf dann weiter gesteuert durch das Programm eine Relativbewegung zwischen der Schneidvorrichtung 15 und der Materialschicht 73 erzeugt wird, um das Materialstück auszuschneiden. Um einen raschen Austausch eines Bohrers 13 durch eine Schneidvorrichtung 15 zu ermöglichen, weist die Schneidvorrichtung 15 einen Befestigungsabschnitt 32 auf, der gleich ausgebildet ist, wie das Befestigungsabschnitt 34 des Bohrers 13. Zum Schneiden weist die Schneidvorrichtung 15 vorn eine beheizbare Spitze 39 auf, welche in die zu schneidende Materialschicht 73 eindringt.In order to apply flat pieces of material of the desired shape to an
Claims (18)
- Method for applying flat pieces of material of any desired shape onto an embroidery base (75) by means of an embroidery machine which is equipped with at least one drilling device which has a drill bit (13) on a drill tappet (21), wherein at least one material layer (73) is placed above the embroidery base (75) and, controlled by the program of the embroidery machine, a relative movement is then produced between a cutting device (15) and the material layer (73) and thus a flat piece of material of the desired shape is cut out of the material layer,
characterized in
that the drill bit (13) is replaced by a cutting device (15) and that, controlled by the program of the embroidery machine, the cutting device (15) is brought into a cutting position and, after the cutting process has been performed, is brought again into the starting position. - Method according to claim 1, characterized in that the cutting device (15) has a heatable tip (39) and that the cutting out of the piece of material is made by the heatable tip (39).
- Method according to claim 1 or 2, characterized in that an intermediate layer which can be dissolved in a solvent is inserted between the embroidery base (75) and the material layer (73) and that, after the embroidery and application work has been terminated, the intermediate layer is removed in a solvent bath.
- Method according to claim 3, characterized in that a fabric or a film is used as the intermediate layer.
- Method according to claim 3 or 4, characterized in that the intermediate layer has a heat reflecting coating.
- Method according to any of the claims 2 to 5, characterized in that a fabric made of natural fibres is used as the embroidery base (75) and a fabric made of synthetic fibres is used as the material layer (73).
- System containing an embroidery machine with at least a drilling device, characterized by at least one cutting device in order to cut out flat pieces of material of any desired shape by means of the embroidery machine out of a material layer (73) arranged above an embroidery base (75), whereby the cutting device has a heatable tip and a fixing portion (32) and the fixing portion (32) serves for fixing to the drilling device in order to replace a drill bit (13) of the drilling device with the cutting device (15).
- System according to claim 7, characterized in that the cutting device has a support (35) with the fixing portion (32) which is configured in a similar way as a fixing portion (34) of the drill bit (13) of the drilling device.
- System according to claim 7, characterized in that the fixing portion (32) has a bore hole for pushing onto a pin (33) of the drilling device as well as a notch (31) for locking by the fixing device (17) of the drilling device.
- System according to claim 8, characterized in that the support (35') has a bayonet catch part (51) for connecting with a corresponding bayonet catch part (55) of the drilling device.
- System according to any of the claims 7 to 10, characterized in that the heatable tip (39) is configured as a drill bit.
- System according to any of the claims 7 to 11, characterized in that a spacer (41) is provided at the heatable tip (39).
- System according to claim 12, characterized in that the spacer (41) at the front has a disc-shaped part (40) with an aperture (42) through which the heatable tip (39) projects.
- System according to claim 12 or 13, characterized in that the spacer (41) is adjustable in order to determine the penetration depth of the heatable tip (39) into the material layer (73).
- System according to any of the claims 7 to 14, characterized in that the heatable tip (39) can be heated by a heating cartridge (37).
- System according to any of the claims 7 to 15, characterized in that the heatable tip (39) is placed replaceable on the heating cartridge.
- System according to any of the claims 7 to 16, characterized in that the heatable tip (39') has an electrical resistance heating in the cutting area (67).
- System according to claim 17, characterized in that the heatable tip (39') has a wire piece (61) in a tube (63) made of ceramic material which is surrounded at the front and on the outside by a metal layer (65) which serves in the cutting area as an electrical resistance heating.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00650/07A CH700701B1 (en) | 2007-04-20 | 2007-04-20 | Method and apparatus for applying flat pieces of material, as well as embroidery machine having a plurality of such devices. |
CH16572007A CH701638B1 (en) | 2007-10-24 | 2007-10-24 | Cutter and embroidery machine with a cutting device and method for applying flat material pieces. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1985736A1 EP1985736A1 (en) | 2008-10-29 |
EP1985736B1 true EP1985736B1 (en) | 2011-10-12 |
Family
ID=39642653
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08405032A Not-in-force EP1985736B1 (en) | 2007-04-20 | 2008-02-07 | Method for applying flat pieces of material, cutting device and sewing machine for carrying out the method |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1985736B1 (en) |
KR (1) | KR101415013B1 (en) |
AT (1) | ATE528428T1 (en) |
TW (1) | TWI377276B (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102010032147B4 (en) * | 2010-07-24 | 2015-03-26 | Saurer Ag | Method and device for operating a cutting device on an embroidery machine |
DE202011103579U1 (en) | 2011-07-21 | 2011-11-10 | Oerlikon Saurer Arbon Ag | Embroidery machine with replaceable cutting tool |
ITUD20110118A1 (en) * | 2011-07-28 | 2013-01-29 | Seit Elettronica Srl | PROCEDURE AND DEVICE FOR THE APPLICATION OF DECORATIVE REASONS ON CLOTHING GARMENTS |
ITBS20130102A1 (en) * | 2013-07-11 | 2015-01-12 | Diego Rodella | ENGRAVING SYSTEM WITH HOT ELECTRIC RESISTANCE ON LEATHER AND MATERIALS AFFILIATED ON NUMERICALLY CONTROLLED INDUSTRIAL SEWING MACHINE WITH ROTATING STITCHING HEAD |
ITFI20130233A1 (en) * | 2013-10-07 | 2015-04-08 | Del Vecchia S P A | KIT FOR REVERSIBLE TRANSFORMATION OF A PROGRAMMABLE SEWING MACHINE IN A PROGRAMMABLE PYROGRAPH |
KR101665623B1 (en) * | 2015-04-27 | 2016-10-24 | (주)수맥 | heating cut equipment for embroidery fabric |
DE102017003591B4 (en) | 2017-04-12 | 2021-04-15 | Saurer Ag | Method for operating an embroidery machine with fabric cutting device and fabric cutting device for carrying out the method |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2319564A1 (en) * | 1973-04-18 | 1974-11-14 | Gunold Heinz | Automatic embroidery machine attachment - on separate and parallel shaft to needle shaft to cut or bore or tip colour |
DE3420763A1 (en) * | 1984-06-04 | 1985-12-05 | Rudolf 5450 Neuwied Reich | Process and apparatus for the selective embroidering and/or engraving and/or painting and/or perforating of material webs or blanks consisting of materials permeable or impermeable to needles and drills |
JPH07102263B2 (en) * | 1986-05-13 | 1995-11-08 | ブラザー工業株式会社 | sewing machine |
JPH05261187A (en) * | 1991-03-04 | 1993-10-12 | Janome Sewing Mach Co Ltd | Sewing machine having embroidering function and mark cutter device |
JPH0596071A (en) * | 1991-03-22 | 1993-04-20 | Janome Sewing Mach Co Ltd | Sewing machine provided with embroidery function having mark cutter device |
JP2971327B2 (en) | 1993-07-28 | 1999-11-02 | 株式会社 タナベ刺繍 | Sewing machine with laser cutter and embroidery method |
JPH07204375A (en) * | 1994-01-12 | 1995-08-08 | Tokuo Takahashi | Sewing method and machine for sewing accompanying partial cutting of material |
WO1996021534A1 (en) | 1995-01-13 | 1996-07-18 | Tokai Kogyo Mishin Kabushiki Kaisha | Laser processing machine and sewing machine with laser processing function |
IT1282343B1 (en) * | 1995-11-30 | 1998-03-16 | Confezione Venere Di Ciapparel | PROCESS AND MEANS OF MANUFACTURE AND USE OF CUTTING TOOLS IN THE CONSISTENCY OF NEEDLE TO PERFORM AUTOMATIC CARVINGS ON THE |
DE102005050482B3 (en) | 2005-10-21 | 2007-01-11 | Saurer Hamel Ag | Continuously embroidering and cutting materials, especially appliques, in embroidering machine with laser cutting head, with cutting unit operated during frame shut-down and/or material advancement stage |
-
2008
- 2008-02-07 AT AT08405032T patent/ATE528428T1/en active
- 2008-02-07 EP EP08405032A patent/EP1985736B1/en not_active Not-in-force
- 2008-02-18 TW TW097105542A patent/TWI377276B/en not_active IP Right Cessation
- 2008-04-18 KR KR1020080035934A patent/KR101415013B1/en active IP Right Grant
Also Published As
Publication number | Publication date |
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KR101415013B1 (en) | 2014-07-04 |
EP1985736A1 (en) | 2008-10-29 |
TW200912081A (en) | 2009-03-16 |
KR20080094598A (en) | 2008-10-23 |
ATE528428T1 (en) | 2011-10-15 |
TWI377276B (en) | 2012-11-21 |
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