CN101289790A

CN101289790A - Method for applying flat pieces of material, cutting device and sewing machine for carrying out the method

Info

Publication number: CN101289790A
Application number: CNA2008100915819A
Authority: CN
Inventors: F·拉泽
Original assignee: Laesser AG
Current assignee: Laser Embroidery Machine Co ltd
Priority date: 2007-04-20
Filing date: 2008-04-21
Publication date: 2008-10-22
Anticipated expiration: 2028-04-21
Also published as: EP1983083B1; CN101289790B; TW200842221A; CH700701B1; TWI349722B; EP1983083A1; ATE478183T1; KR20080094532A; CN101289789A; CN101289789B; KR100874121B1

Abstract

The invention relates to a method for applying flat material pieces, cutting device and embroidery machine for carrying out the method. In order to apply the flat material pieces with expected shape on an embroidery cloth (75) of an embroidery machine, firstly, at least a drill (13) is replaced by a cutting device (15). Then, controllably, the cutting device (15) is led to the cutting position by the drill device through the process of the embroidery machine, then, controllably, the relative movement between the cutting device (15) and a material layer (73) is generated for cutting the material pieces. In order to rapidly exchange the drill (13) by the cutting device (15), the cutting device (15) has a fixed section (32) composed the same with a fixed section (34) of the drill (13). In order to cut the cutting device (15), the front end has a heated tip (39) which is inserted into the cut material layer (73).

Description

Be used for the method for material block on applique plane and cutter sweep and the embroidery machine that is used to carry out this method

Technical field

The present invention relates to a kind of method, be used for making the planar materials piece applique of desired shape to embroidery cloth by embroidery machine.The invention still further relates to the cutter sweep and the embroidery machine that are used to carry out this method.

Background technology

So-called here embroidery machine is works " embroidery technique " Leipzig 1982 with Schoeer/Fricker, the equipment of the generation needle tracking of 18/20 page of unanimity, they are in this position, the direction of each needle tracking and also comprise usually the size freely change with interior in process technology limit.This point can produce the figure of decoration.But embroidery machine is used to produce the figure of possess skills function, for example electric lead for a long time.The present mostly embroidery machine that uses is according to veil and filling system works, and programme-control ground produces the embroidery figure on embroidery cloth.Mainly be distinguished into large-scale embroidery machine and small-sized embroidery machine.Schiffli machine has big width as large-scale embroidery machine.Knitting needle is provided with point-blank with a row in Schiffli machine.Mainly less by the face embroidery machine width of Pfaff company processing, wherein knitting needle is distributed in whole embroidery district.They are used to process large-area goods such as tablecloth, curtain, quilted product etc. according to Schoeer/FrickerS100.So-called quilting embroidery machine sees it is large-scale embroidery machine on technology.They are still different with the face embroidery machine that can process the embroidery quilting equally equally by shuttle work, only have row's knitting needle.As especially known single head of small-sized embroidery machine and multiheaded embroidery machine.

The notion of " applique " refers to the sewing of other material or article at the 310th page of the works of Schoeer/Fricker and in nextpage, the shape that refers to the little material that cuts or fabric pattern or made by other material such as skin, paper, fiber crops and similar material on narrower meaning.That is: " what applique was operated in the industrial middle finger of embroidery is processing by different mutual bonding fabrics, removes or cuts some part in order to form figure wherein or before sewing or after sewing.The fabric that will be embroidered must will distinguished aspect its color or the texture at this, if they will satisfy the purpose of decoration, they must or according to material or by others, as difference mutually such as unglazed and glittering ".Schoeer/Fricker is distinguished into two groups of appliques, and promptly a kind of shape part that has cut is as figure embroidery, and a kind of fabric by two or more common embroidery is wherein being fixed the back or cut into small pieces after embroidery.

In the works S312 of Schoeer/Fricker, also mention, can between two kinds of fabrics, differently constitute the connection embroidery machine.Therefore can cut fabric then and the edge of closely lockstitching a border again by the sew outline line of figure of quilting embroidery machine.That is: in all working, whether manual or machine embroidery is concerned about the careful fabric that cuts.Use spinelet to embroider for this reason and cut, the sword of its broad is aimed at downwards.If the tip by downward sensing cuts, then exist the danger of cutting the embroidery cloth the inside.

Described a kind of method that is used to embroider in disclosed DE 4426817 of nineteen ninety-five, one of them tightens the framework of two material layers therein corresponding to the shape motion that is cut by last material layer.Cut material layer by laser beam at this.Then shank moves and embroiders along cut edge foundation in the embroidery process.US5 915 316 based on the priority of nineteen ninety-five illustrates a multiheaded embroidery machine, has a laser head that is used to set up frosting.DE 102,005 050 482 illustrates a Schiffli machine in addition, has a laser cutting head by main shaft drives longitudinal register on front equipment end.There is obvious defects by laser cutting.Because laser system needs extra high cost.This point has been got rid of a plurality of this systems has been placed in a possibility on the equipment.Another defective is, in order to protect the eyes laser system to need strict security measures and need many spaces around equipment.However adhere to using laser cutting at present.

In undocumented european patent application Nr.07 405 210, advised an embroidery machine, it has a support that extends on embroidery machine length, the embroider device of planar materials piece of the device of the device of the flash of light spike that can be provided for thereon embroidering, the silk braid that is used to embroider and being used to.On the length of embroidery machine, also extend controlling organization, be used to control the device of embroidery flash of light spike or silk braid.

The device that is used to embroider has a heatable tip as cutter sweep, and it can take cutting position to and turn back to resting position again by an actuator, for example cylinder.These devices are relatively costly and can only use with the same relatively costly structure of extending that they are necessary for embroidery flash of light spike or silk braid on the whole length of embroidery machine in processing.

Summary of the invention

Therefore the objective of the invention is, realize a kind of method and a device, the graphics shape of the materials that it can will be fit to from pattern material or other by embroidery machine is embroidered on the embroidery cloth, and need not to make the embroidery machine structure to be equipped with additional support and controlling organization in order to receive and control these devices.

Be achieved by the method for claim 1 according to this point of the present invention.

The advantage of this method is to need not embroidery machine is carried out structural change.Need not special bearing and controlling organization.But it is just enough by the drill bit of suitable cutter sweep replacement drilling equipment on desired needlework location, wherein activate for the cutting planes material block makes drilling equipment pass through the embroidery machine program in that embroidery machine is in service, be used to make cutter sweep to take cutting position to.Continue then to be used for the cutting planes material by the relative motion between program generation cutter sweep and the material layer.

The cutting equipment of laser or machinery can be used as cutter sweep in principle.But there is narrow position characteristic mostly in the position at drilling equipment on embroidery machine, and they are difficult to use this equipment.Therefore realize the material block cutting in suitable mode by the tip of heating.

After long test and test run, have been found that and enough to realize the material layer cutting reliably by heatable tip.Be positioned at that the misgivings of the embroidery cloth below the material layer are verified not to have a basis owing to add cause thermal damage thus.But prerequisite is to add correct selection material and the correct feed speed and the correct temperature of heated tip.Empirical value to this can obtain by the sample operation.Verified suitable is to use natural fabric and use rayon as material layer as embroidery cloth.When correct feed speed that can add heated tip and heating, realize cutting by the fusing artificial fibre.

If embroidery cloth is heat sensitive relatively, then for heat insulation being recommended in serves as a contrast an intermediate layer between embroidery cloth and the material layer, it can dissolve by lytic agent.After finishing embroidery and applique work, can in the lytic agent pond, remove the intermediate layer that adds embroidery.

Can use fabric as the intermediate layer.A kind of intermediate layer with heat reflection coating is applicable to heat sensitive especially embroidery cloth.

The present invention not only is confined to the textile material piece.Also be applicable to other material, as plastic sheeting or bondedfibre fabric.

The invention still further relates to a cutter sweep that is used to be furnished with the embroidery machine of at least one drilling equipment, be used for cutting out from the material layer that is arranged on the embroidery cloth by the planar materials piece of embroidery machine with desired shape.Be used to make cutter sweep to be fixed on fixed mechanism on the drilling equipment according to the invention is characterized in that cutter sweep has.Can make cutter sweep have a bearing, it has a canned paragraph for this reason, and the canned paragraph of the drill bit of it and drilling equipment constitutes in the same manner.Therefore if embroidery machine is equipped to be used for applique work, then to replace drill bit by cutter sweep on the needlework location of cutting just enough being given for.

An advantageous embodiments regulation of this cutter sweep makes canned paragraph have a hole and a breach that is used for by the fixture braking of drilling equipment that is used to be inserted on the drilling equipment axle journal.Another embodiment regulation of this cutter sweep makes bearing have one and is used for the bayonet socket attaching parts that are connected with the corresponding bayonet socket attaching parts of drilling equipment.

An advantageous embodiments of this cutter sweep has a heatable tip.The advantage that can add heated tip was described in front.Heatable tip also can be made of drill bit.Its advantage is that heatable tip not only can be used for cutting, and can be used for boring.Most advanced and sophisticated heating advantageously utilizes an electric heating tube.In suitable mode the tip is arranged on the heating tube replaceably.

Be worth especially recommending ground to confirm to have a liner for heatable tip.This liner is in the operating position of cutter sweep roof pressure material layer and assurance, and the tip can only head into the material layer that will be cut, but can not push into the embroidery cloth the inside.Can adjust liner in suitable mode, be used for the degree of depth of determining that heatable tip enters material layer.This liner can be by being bolted on the fixed part.But also can be arranged on the fixed part by a plug, be used for and remove apace.If when heatable tip not only was used for cutting but also is used to hole, this point was favourable.To remove liner in order to hole.

Another embodiment regulation of this cutter sweep makes the tip have a resistance heated at cutting area.Advantageously make the most advanced and sophisticated steel wire section that has in the pipe of ceramic material, it is at front end and outsidely surrounded by metal level, this metal level at cutting area as resistance heated.

The invention still further relates to a embroidery machine with at least one as each described cutter sweep in the claim 7 to 19.

Description of drawings

By means of accompanying drawing embodiments of the invention are described below.In the accompanying drawing:

Fig. 1 illustrates many needlework location that can switch on and off independently with stereogram, wherein replaces drill bit a needlework location by a cutter sweep,

Fig. 2 is illustrated in the drill bit structure in the standard embroidery machine (not having color transformed), wherein replaces a drill bit by a cutter sweep equally,

Fig. 3 illustrates by the clip fixed drill bit, has wherein removed the anchor position of clip in order to take off drill bit,

Fig. 4 illustrates and takes off drill bit,

Fig. 5 illustrates the installation cutter sweep,

Fig. 6 illustrates according to Fig. 1 with exploded view, 2 and 5 cutter sweep,

Fig. 7 illustrates the assembled state of the cutter sweep of Fig. 6,

Fig. 8 illustrates another embodiment of cutter sweep with exploded view,

Fig. 9 letter illustrates another embodiment that can add heated tip,

Figure 10 illustrates the operating position according to the cutter sweep of Fig. 7 that is installed in the embroidery machine with side view.

The specific embodiment

As by above-mentioned works Schoener/Freier, the 72nd page and with obtain in the nextpage like that, in embroidery machine, use so-called drill bit for a long time, be used for producing aperture at fabric, lockstitch a border later in its edge.This drill bit is four rib steel points with sharp keen cutting seamed edge, and they are the cutting fabric fiber when heading into fabric.

Drill bit can be arranged on different knitting circulations on the drill bit frame, and this drill bit frame controllably moves with respect to embroidery cloth by the embroidery machine program in order to hole.Each needlework location can be furnished with a drill bit in the embroidery machine that can change color, wherein can at random control each needlework location by program, is used for handling drill bit in this needlework location.

Fig. 1 illustrates the many needlework location in the Schiffli machine, and this embroidery machine allows to change color, wherein can see pin 11 and drill bit 13.Fig. 2 is illustrated in the corresponding construction on the drill bit frame 18 of a standard embroidery machine of not changing color.Replace drill bit 13 in a needlework location shown in Fig. 1 or 2 by a cutter sweep 15.But also can use the cutter sweep 15 of greater number, for example a cutter sweep is on each the 5th needlework location.As by Fig. 1, but especially can see that by Fig. 3 to 5 fixture 17 can realize the light replacing of drill bit 13 and cutter sweep 15.This fixture 17 is fixed on by nut 19 on the drilling rod 21 of drilling equipment (not shown) and by a sheet member 23 to be formed, and the hinged thereon clip of being made by spring steel 25, this clip have long-armed 24 and galianconism 26.This sheet member 23 has an elastic arm 27 that extends forward, the bending downwards and form a hook 29 obliquely of its fore-end, wherein long-armed 24 and elastic arm 27 flexibly be out of shape, be used for realizing locating.Long-armed 24 are under the elastic stress after being positioned on the hook 29, make the galianconism 26 of breach 31 the insides that are embedded into drill bit 13 fixedly be inserted into drill bit 13 on the axle journal 33 (Fig. 4) reliably thus.Also can fix the cutter sweep 15 (Fig. 5 and 7) that has breach 31 ' equally in an identical manner.

Shown in Fig. 3 to 5, can replace drill bit 13 by cutter sweep 15 like a cork.

As especially shown in Fig. 6 and 7, described cutter sweep 15 mainly is made up of a bearing 35, electric heating tube 37, heatable most advanced and sophisticated 39 and liners 41.This liner 41 has a sheet component 40 at front end, and it has a hole 42, and heatable most advanced and sophisticated 39 can pass the hole stretches.This liner 41 is fixed on the bearing 35 by

bolt

43,44 adjustably.This point can determine that removable most advanced and sophisticated 39 push into the degree of depth of the material layer the inside that will be cut.

Described bearing 35 has a hole 45, and it at one end holds the rear end part of heating tube 37.This hole 45 extends to canned paragraph 32 the insides and cutter sweep 15 can be inserted on the axle journal 33 of drilling rod 21 (Fig. 5).A breach 31 ' is to be formed on fixing on the drilling equipment with the fixing identical mode of drill bit 13 by fixture 17.Slit, side 47 (Fig. 6) in bearing 35 can clamp heating tube 37 by bolt 44.Air vent 49 in liner 41 prevents because heating tube 37 heats liner undesirably.

Fig. 8 illustrates another embodiment of cutter sweep.This cutter sweep 15 ' mainly is made up of a bearing 35 ', electric heating tube 37, heatable most advanced and sophisticated 39 and liners 41 '.This liner 41 ' is fixed on the bearing 35 ' by bolt 43.Slotted hole 46 can make liner 41 ' move before screwing bolt 43, is used for determining that most advanced and sophisticated 39 push into the degree of depth of the material layer the inside that will be cut.

Described bearing 35 ' has a hole that has slit 47 45 that is used to hold heating tube 37 rear end parts and bayonet socket attaching parts 51, and these bayonet socket attaching parts have and the identical task of canned paragraph 32 among Fig. 5.A pin 53 is put into bayonet socket attaching parts 51 the insides.Bolt 44 is used to clamp heating tube 37 and bayonet socket attaching parts 51.Is furnished with a helical spring 56 in corresponding bayonet socket attaching parts 55 of equipment one side.

Fig. 9 illustrates a tip 39 ', and it need not heating tube 37.This tip 39 ' is by a steel wire section 61, and it is made by materials with high melting point, for example nickel or tungsten and by a pipe 63 or non-conductive layer, pottery parcel for example.One has high-melting-point equally, surrounds pipe 63 as the thin metal coating of tungsten front end and outside, makes to exist between steel wire section 61 and metal level 65 to be electrically connected.Pipe 63 with metal level 65 also surrounds by the thicker relatively metal-back that for example is made of copper 66, but it can vacate cutting area 67.This metal-back 66 is by 69 insulation of an insulating barrier.Be arranged on steel wire section 61 and the metal-back 66 at rear end

electric connection

71,72.

Be in operation by current flow heats cutting area 67.Also can in cutting area, produce heat by resistance heated.Can change heating apace, because the quality of the metal level of heating is very little in the thermal treatment zone 67.This is particularly advantageous when slitting saw profile of tooth profile.

Figure 10 illustrates the cutter sweep of especially being seen by Fig. 5 and 7 15 and is installed to according to the later side view in the embroidery machine of Fig. 1 the inside.Can see that also the drill bit 13 in the front end needlework location comprises fixture 17.If in applique process, will cut by embroidery machine, then controllably by the embroidery machine program cutter sweep 15 is moved towards the material layer 73 that will be cut from initial position by the drilling rod 21 of drilling equipment, wherein Jia Re tip 39 (Fig. 7) pushes into material layer 73 the insides.Most advanced and sophisticated 39 the degree of depth that heads into limits by liner 41, and this liner passes through sheet component 40 roof pressure material layer 73 slightly.Prevent to damage and be positioned at back or following embroidery cloth 75 by the limited degree of depth that heads into.Push into the program generation most advanced and sophisticated 39 of embroidery machine after material layer 73 the insides and the relative motion between the material layer 73 at the tip 39 of heating, cut the planar materials piece according to programmed shape thus.Drilling equipment makes cutter sweep 15 turn back to initial position (Fig. 1) again after finishing cutting process

Can be summarized as follows:

For the planar materials piece applique with desired shape at first makes at least one drill bit 13 replace by a cutter sweep 15 in an embroidery machine to embroidery cloth 75.Controllably the program by embroidery machine is taken cutter sweep 15 to cutting position by drilling equipment then, then controllably produces relative motion between cutter sweep 15 and the material layer 73 by program then, is used for the cutting material piece.For can be by cutter sweep 15 bit change 13 more fast, this cutter sweep 15 has a canned paragraph 32, and the canned paragraph 34 of it and drill bit 13 constitutes in the same manner.For cut this cutter sweep 15 front end have one heatable most advanced and sophisticated 39, it pushes into material layer 73 the insides that will be cut.

Claims

1. method, be used for embroidery machine by being equipped with at least one drilling equipment with drill bit (13) with the planar materials piece applique of desired shape to embroidery cloth (75), by at least one material layer (73) is arranged on above the embroidery cloth (75), controllably also cut into the planar materials piece of desired material layer shape then thus by the relative motion between embroidery machine program generation cutter sweep (15) and the material layer (73), it is characterized in that, controllably cutter sweep (15) is taken to cutting position and turns back to initial position later on again finishing cutting process by drilling equipment by the embroidery machine program.

2. the method for claim 1 is characterized in that, cutter sweep (15) has heatable tip (39), realizes the cutting material piece by the tip (39) of heating.

3. method as claimed in claim 1 or 2 is characterized in that, serves as a contrast the intermediate layer of going into can dissolve and finishing to remove the intermediate layer after embroidery and the applique work in the lytic agent pond between embroidery cloth (75) and material layer (73) in lytic agent.

4. method as claimed in claim 3 is characterized in that, uses a kind of fabric or a kind of film as the intermediate layer.

5. as claim 3 or 4 described methods, it is characterized in that, make the intermediate layer have a heat reflection coating.

6. as each described method in the claim 2 to 5, it is characterized in that, use natural fabric and use rayon as material layer (73) as embroidery cloth (75).

7. be used to be furnished with the cutter sweep of the embroidery machine of at least one drilling equipment, be used for cutting out from the material layer (73) that is arranged on the embroidery cloth (75), it is characterized in that being used to making cutter sweep (15) to be fixed on fixed mechanism (17) on the drilling equipment by the planar materials piece of embroidery machine with desired shape.

8. cutter sweep as claimed in claim 7 is characterized in that, this cutter sweep has bearing (35), and this bearing has a canned paragraph (32), and the canned paragraph (34) of the drill bit of this canned paragraph and drilling equipment (13) constitutes in the same manner.

9. cutter sweep as claimed in claim 7 is characterized in that, described canned paragraph (32) has the breach (31) that is used to be inserted into the hole on the drilling equipment axle journal (33) and is used for fixture (17) braking by drilling equipment.

10. cutter sweep as claimed in claim 8 is characterized in that, described bearing (35 ') has and is used for the bayonet socket attaching parts (51) that are connected with the corresponding bayonet socket attaching parts (55) of drilling equipment.

11., it is characterized in that it has heatable tip (39) as each described cutter sweep in the claim 7 to 10.

12. cutter sweep as claimed in claim 11 is characterized in that, heatable tip (39) are made of drill bit.

13. as claim 11 or 12 described cutter sweeps, it is characterized in that, be provided with a liner (41) for heatable tip (39).

14. cutter sweep as claimed in claim 13 is characterized in that, described liner (41) has the part (40) of the sheet of (42) with holes at front end, and heatable tip (39) are passed this hole and stretched.

15., it is characterized in that described liner (41) can be adjusted as claim 13 or 14 described cutter sweeps, be used for the degree of depth of determining that heatable tip (39) enters material layer (73).

16., it is characterized in that heatable tip (39) are by heating tube (37) heating as each described cutter sweep in the claim 7 to 14.

17. cutter sweep as claimed in claim 11 is characterized in that, heatable tip (39) are arranged on the heating tube (37) replaceably.

18., it is characterized in that heatable tip (39 ') has a resistance heated at cutting area (67) as each described cutter sweep in the claim 7 to 14.

19. cutter sweep as claimed in claim 17, it is characterized in that, heatable tip (39 ') has a steel wire section (61) in the pipe (63) of ceramic material, it is at front end and outside surrounded by metal level (65), this metal level at cutting area (67) as resistance heated.

20. embroidery machine has at least one as each described cutter sweep (15) in the claim 7 to 19.