CN1301890A - Needle thread guider for double thread interlock seam sewing machine - Google Patents
Needle thread guider for double thread interlock seam sewing machine Download PDFInfo
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- CN1301890A CN1301890A CN 00137064 CN00137064A CN1301890A CN 1301890 A CN1301890 A CN 1301890A CN 00137064 CN00137064 CN 00137064 CN 00137064 A CN00137064 A CN 00137064A CN 1301890 A CN1301890 A CN 1301890A
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- 238000009958 sewing Methods 0.000 title claims abstract description 62
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 238000010417 needlework Methods 0.000 claims description 263
- 238000000034 method Methods 0.000 claims description 3
- 230000001174 ascending effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000000630 rising effect Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract 1
- 239000011435 rock Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 239000004744 fabric Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000007665 sagging Methods 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B51/00—Applications of needle-thread guards; Thread-break detectors
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Abstract
The invention provides a needle thread guide device for double ring stitch sewing machine. The cam applies a tensile force, immediately before a looper enters, to a needle thread loop of a left needle thread which the looper enters finally in plural needle threads being received and supported on the thread receiving surface of the needle thread guide, as a movable needle thread take-up rocks upward relative to rising movement of right and left needles from a bottom dead point. With this construction, it is avoided that the looper erroneously enters the plural needle thread loops, and a predetermined stitch is therefore formed reliably without causing skip-stitch.
Description
The present invention relates to the needlework guiding device of double-thread overlock sewing machine, be specifically related to the needlework guiding device of double-thread overlock sewing machine, in this device, direction vertical with making direct of travel and the many pins more than 2 established below from it play the ring of simultaneously doing needlework in the bottom of cloth to the bottom dead centre of reciprocating motion circuit and simultaneously rise and running-on is entered in a plurality of needlework rings in order to form the double-locked stitch pinprick in the way.
Fig. 7 represents to have the major part of needlework guiding device that a example in the needlework guiding device of the traditional double-thread overlock sewing machine of this kind of many pins promptly has the double-thread overlock sewing machine of 2 pins.The needlework guiding device of this 2 pin double-thread overlock sewing machine is in the direction vertical with making direct of travel Y and establish 2 pin 1R that supported freely in above-below direction Z reciprocating motion by 2 needle bars 2,1L, promptly, by constituting: movable needlework line sending road 3 with lower member, the synchronous interlock and back and forth drive with the above-below direction shown in the arrow u-d of pumping of this movable needlework line sending road 3 and right pin 1R and left pin 1L shakes, and through line adjuster 4R, 4L and locking pin drawing lines 5 and needlework road guiding elements 7 and to pin 1R to the right, a left side pin 1L provide right needlework 6R, the line sending of left side needlework 6L is controlled; Needlework carrier 8, this needlework carrier 8 is fixedly set near the Sewing machines arm (not shown) of the position of head in this movable needlework line sending road 3, when right pin 1R, left pin 1L are positioned at bottom dead centre, and when movable needlework line sending road 3 shakes downwards, as shown in Figure 8, the head in this movable needlework line sending road 3 form the 1st needlework delivery port 3a and more close shake between the 2nd needlework delivery port 3b that base end side forms the needlework part from below accept supporting.Place, the place ahead at this needlework carrier 8 is provided with needlework line sending protector 9.
Above-mentioned needlework carrier 8 as shown in Figures 7 and 8, by being fixed in the Sewing machines arm (with 21 identical among Fig. 1, please refer to) needlework road guiding elements 7 by slotted hole 11 and the bolt 12 installation board 8a that is provided with of height and position free adjustment ground up and down, and the bar-shaped line continuing surface 8b that accepts right needlework 6R, left needlework 6L at grade constitutes.In addition, running-on 10 is located at the Sewing machines base plate (with 23 identical among Fig. 1, please refer to) in, running-on line 10N supplies with through line adjuster 4A, when right, left two pin 1R, 1L begin the uphill process from bottom dead centre, running-on 10 promptly advances towards left from right-hand towards the opposing party from a side this two pin 1R, 1L and set direction, and it is entered in 2 needlework rings described later in order.
Below with reference to Fig. 9-Figure 11 the needlework guiding function (action) of the needlework guiding device of the tradition 2 pin double-thread overlock sewing machines of said structure is described.Fig. 9 A, Figure 10 A, Figure 11 represent the head in movable needlework line sending road 3 and the relative position relation of needlework carrier 8, and Fig. 9 B, Figure 10 B, Figure 11 B represent that the needlework of needlework carrier 8 accept state; Fig. 9 C, Figure 10 C, Figure 11 C move right pin 1R and left pin 1L slightly for the state that the needlework ring is described easily, Figure 10 D, Figure 11 D are from making right pin 1R and the left pin 1L that direct of travel is seen.
Shown in Fig. 9 A-Fig. 9 C, when right, left two pin 1R, 1L are positioned at bottom dead centre and movable needlework line sending road 3 and are in the state that shakes downwards, the 1st needlework wire feeding hole 3a in movable needlework line sending road 3 and the right needlework 6R part between the 2nd needlework wire feeding hole 3b and needlework 6L part by the line continuing surface 8b of needlework carrier 8 from below accept supporting.
From this state, shown in Figure 10 C, simultaneously do needlework ring 6Rr, 6Lr of right pin 1R, left pin 1L simultaneously rises, and simultaneously shown in Figure 10 D, running-on 10 advances and its head enters the needlework ring 6Rr on the right.At this moment, along with movable needlework line sending road 3 shaking upward, shown in Fig. 9 B, right needlework 6R, left needlework 6L leave the line continuing surface 8b of needlework carrier 8 and straight being moved upward.
Then, shown in Figure 11 C and Figure 11 D, the head of running-on 16 enters among the left needlework ring 6Lr, and running-on line 10N catches two needlework 6R, 6L.This moment, right needlework 6R, left needlework 6L left the line continuing surface 8b of needlework carrier 8 and straight being moved upward shown in Figure 11 B.Then, through the decline of well-known work feed, two pin 1R, 1L, a string like this making of returning of running-on 10 moved and the double-locked stitch pinprick of formation regulation.
In the needlework guiding device of traditional multi-needle double-thread chain stitch machine with said structure and needlework guiding function, running-on 10 enters opportunity among a plurality of needlework ring 6Rr, the 6Lr deviation, be that example describes promptly with above-mentioned 2 pin double-thread overlock sewing machines, running-on 10 enters left needlework ring 6Lr after entering among the right needlework ring 6Rr again, it is poor that cause enters the life period on opportunity of needlework ring, so corresponding to this time difference, left needlework ring 6Lr is bigger than right needlework ring 6Rr.In case ring increases, the reasons such as quality or characteristic of twisting thread because of needlework, the needlework ring 6Lr that increases side falls down towards the arrow C direction shown in Figure 11 C, or because of its weight towards sagging, sometimes the head of running-on 10 can't enter needlework ring 6Lr, its result can produce the imperfect and inapt bouncing pilotage of lappet of needlework 6R, the 6L of running-on line 10N formation, can't form the double-locked stitch pinprick of defined.
In view of this, thus the object of the present invention is to provide and a kind ofly just can prevent that by the needlework carrier being carried out simple architecture advances the running-on mistake from entering the needlework guiding device that a plurality of needlework rings do not produce bouncing pilotage etc., can form the double-thread overlock sewing machine of making pinprick of defined reliably.
To achieve these goals, the needlework guiding device of double-thread overlock sewing machine of the present invention comprises: the direction vertical with making direct of travel and establish, at above-below direction reciprocating motion many pins freely; Begin one side from bottom dead centre at these pins and do needlework uphill process of ring, advance from a side many pins and set direction towards the opposing party and enter the running-on of needlework ring in order; Be configured in the Sewing machines arm the outside portion, by with pin pump linkedly above-below direction back and forth drive shake to through line adjuster and locking pin drawing lines to movable needlework line sending road that pin provides the line sending portion of needlework to control; Be arranged near the Sewing machines arm of the position of head in this movable needlework line sending road, when above-mentioned pin is positioned at bottom dead centre and movable needlework line sending road and shakes downwards, the needlework wire feeding hole that the head in movable needlework line sending road is formed with stringing in the needlework between this head needlework wire feeding hole and locking pin drawing lines carry out from part midway curved guide movable needlework line sending road shake between the needlework wire feeding hole that base end side forms needlework partly from below accept the needlework carrier of supporting, it is characterized in that, near the line continuing surface of above-mentioned needlework carrier position is provided with cam surface, movable needlework line sending road the shaking of the ascending motion interlock that this cam surface begins along with the bottom dead centre with pin towards the top, the needlework that provide at the pin that enters the latest to above-mentioned running-on at least in the many needlework by the supporting that continuing surface is accepted of needlework carrier to applying tensile force, and remain to this tensile force till running-on enters the needlework ring when running-on is about to enter this needlework ring.
As mentioned above, among the present invention, accept at the line continuing surface of needlework carrier in the many needlework of supporting, at least the needlework that provide of the pin that enters the latest to above-mentioned running-on can utilize cam surface that it is applied tensile force when running-on is about to enter this needlework ring and suppress the pairing needlework ring of pin that running-on enters the latest and increase and cause this needlework ring to fall down or sagging.Therefore, running-on enters a plurality of needlework rings and can not make mistakes, and also bouncing pilotage can not take place, and can form the double-locked stitch pinprick of defined reliably, improves sewing quality.
In the needlework guiding device of above-mentioned formation double-thread overlock sewing machine, though to needlework apply lean on the power of stretching cam surface also can with needlework carrier split setting, but as technical scheme 2, make part unitize, can realize single componentization by line continuing surface one bending and forming with the needlework carrier, be installed on the arm of Sewing machines easily, make the opportunity that applies of tensile force very suitable simultaneously.
In addition, in the needlework guiding device of the double-thread overlock sewing machine of above-mentioned formation, constituting the tensile force that needlework are applied by above-mentioned cam surface can adjust, can suitably adjust tensile force according to the twist thread quality and characteristic of line etc. of needlework, no matter use which type of needlework to bring into play intended function in normal reliable ground.
And, in the needlework guiding device of the double-thread overlock sewing machine of said structure, when above-mentioned cam surface is formed on can continue to apply the shape that is used for the tensile force that needlework tighten up after running-on enters the needlework ring time, the running-on line bored and collapses needlework tight behind the needlework ring and can tighten up needlework, can form with cloth flexible adapts and make pinprick.
In addition, be that running-on is when being about to enter this needlework ring the opportunity that the needlework that enter late pin (being left pin during 2 pins) for running-on and provide are applied tensile force, get final product promptly when pin enters the needlework ring that running-on enters the latest when bottom dead centre begins to rise to the head of running-on, in this manual, enter for being about to this time period.
In addition, the present invention is the most effective to the double-thread overlock sewing machine with spininess, certainly, also is suitable for having the spininess flat lock-stitch machine that sews up decorative thread on the double-locked stitch pinprick.
Embodiment by following explanation is appreciated that other purpose of the present invention and effect.
The simple declaration of accompanying drawing:
Fig. 1 is the front elevation that is suitable for the partial cut of 2 pin double-thread overlock sewing machines of the present invention.
Fig. 2 is the amplification front view of major part among Fig. 1.
Fig. 3 is the stereogram of major part of the needlework guiding device of the same 2 pin double-thread overlock sewing machines.
Fig. 4 A-4C is the key diagram that the needlework guiding device of the same 2 pin double-thread overlock sewing machines carries out the 1st state of needlework guiding function (action), Fig. 4 A is the figure of the relative position relation of the head in explanation movable needlework line sending road and needlework carrier, Fig. 4 B is the figure that the needlework of explanation needlework carrier are accepted state, and Fig. 4 C makes right pin and left pin the figure that moves slightly for the state that the needlework ring clearly is described.
Fig. 5 A-5D is the key diagram that the needlework guiding device of the same 2 pin double-thread overlock sewing machines carries out the 2nd state of needlework guiding function (action), Fig. 5 A is the figure of the relative position relation of the head in explanation movable needlework line sending road and needlework carrier, Fig. 5 B is the state of needlework is accepted in explanation with the needlework carrier figure, Fig. 5 C is the figure after for the state that the needlework ring clearly is described right pin and left pin being done to move slightly, and Fig. 5 D sees the figure of right pin, left pin from making direct of travel.
Fig. 6 A-6D is the key diagram that the needlework guiding device of the same 2 pin double-thread overlock sewing machines carries out the 3rd state of needlework guiding function (action), Fig. 6 A is the figure of the relative position relation of the head in explanation movable needlework line sending road and needlework carrier, Fig. 6 B is the figure that the needlework of explanation needlework carrier are accepted state, Fig. 6 C is the figure after for the state that the needlework ring clearly is described right pin and left pin being done to move slightly, and Fig. 6 D sees the figure of right pin, left pin from making direct of travel.
Fig. 7 is the stereogram of the needlework guiding device of 2 traditional pin double-thread overlock sewing machines of expression.
Fig. 8 is the stereogram of major part of the needlework guiding device of the same traditional 2 pin double-thread overlock sewing machines.
Fig. 9 A-9C is the key diagram that the needlework guiding device of the same 2 pin double-thread overlock sewing machines carries out the 1st state of needlework guiding function (action), Fig. 9 A is the figure of the relative position relation of the head in explanation movable needlework line sending road and needlework carrier, Fig. 9 B is the figure that the needlework of explanation needlework carrier are accepted state, and Fig. 9 C is the figure after for the state that the needlework ring clearly is described right pin and left pin being done to move slightly.
Figure 10 A-10D is the key diagram that the needlework guiding device of the same 2 pin double-thread overlock sewing machines carries out the 2nd state of needlework guiding function (action), Figure 10 A is the figure of the relative position relation of the head in explanation movable needlework line sending road and needlework carrier, Figure 10 B is the figure that the needlework of explanation needlework carrier are accepted state, Figure 10 C is the figure after for the state that the needlework ring clearly is described right pin and left pin being done to move slightly, and Figure 10 D sees the figure of right pin, left pin from making direct of travel.
Figure 11 A-11D is the key diagram that the needlework guiding device of the same 2 pin double-thread overlock sewing machines carries out the 3rd state of needlework guiding function (action), Figure 11 A is the figure of the relative position relation of the head in explanation movable needlework line sending road and needlework carrier, Figure 11 B is the figure that the needlework of explanation needlework carrier are accepted state, Figure 11 C is the figure after for the state that the needlework ring clearly is described right pin and left pin being done to move slightly, and Figure 11 D sees the figure of right pin, left pin from making direct of travel.
Below with reference to the accompanying drawings example of the present invention is described.
Fig. 1 is the front elevation that has used the partial cut of 2 pin double-thread overlock sewing machine integral body of the present invention, Fig. 2 is the amplification front view of the major part of Fig. 1, in Fig. 1 and Fig. 2, the 21st, the Sewing machines arm, be provided with cloth presser (because of well-known at the head 21A of arm 21, specify and be omitted), this mechanism by metal (upper (not shown) but in to needle bar 2 above-below direction reciprocating motions ground supporting, and adjacent with this needle bar 2.It is right pin 1R and left pin 1L that 2 pins are installed by pin folder 22 in the bottom of above-mentioned needle bar 2, simultaneously from the bottom of the base end part of above-mentioned Sewing machines arm 21 relatively this Sewing machines arm 21 head of being the Sewing machines base plate 23 that parallel state extends to the left hold by needle sticking board, cloth presser, running-on 10 and cloth feeding mechanism etc. and constitute the parts made (because of as everyone knows, specify and be omitted), constitute the Sewing machines framework 24 of double-thread overlock sewing machine by this Sewing machines base plate 23 and above-mentioned Sewing machines arm 21.
The needlework guiding device of above-mentioned 2 pin double-thread overlock sewing machines is essentially illustrated being equipped with and the identical structure of traditional 2 pin double-thread overlock sewing machines as Fig. 7, Fig. 8 in Sewing machines framework 24.Its typical structure comprises: line adjuster 4R, 4L, 4A; Locking pin drawing lines 5; Needlework road guiding elements 7; For the line sending of control needlework 6R, 6L and right pin 1R, the synchronous interlock that pumps that carries pin 1L back and forth drive the movable needlework line sending road 3 that shakes at above-below direction; The 1st needlework wire feeding hole 3a that the head side in this movable needlework line sending road 3 is formed and shake between the 2nd needlework wire feeding hole 3b that base end side forms the needlework part from below accept the needlework carrier 8 of supporting.These configurations and function are with shown in Figure 8 identical, and same section uses prosign, specifies and is omitted.
Except that said structure, needlework fueller 14 is housed in locking pin drawing lines 5 also.14 pairs of right sides by locking pin drawing lines 5 of this needlework fueller, left two needlework 6R, 6L are coated with lubricating oil, can bring into play to prevent to break and the function of problem such as bouncing pilotage when suture that uses synthetic fiber or cloth.In addition, as shown in Figure 2, above-mentioned movable needlework line sending road 3, with driving main shaft (not shown) interlock, the positive and negative reciprocal rotation of the needlework line sending axle 15 that exposes by the outside portion of sewing machine arm portion 21 in the above-mentioned Sewing machines framework 24 and through needlework line sending platform 16 and above-below direction back and forth drives freely and shakes.
As shown in Figures 2 and 3, the needlework carrier 8 of the needlework guiding device of 2 pin double-thread overlock sewing machines of said structure, the installation board 8a that can install freely in height and position adjustment up and down through slotted hole 11 and bolt 12 by the needlework road guiding elements 7 that is fixed in Sewing machines arm 21 and at grade to the right side, a left side two needlework 6R, 6L accepts the rod line continuing surface 8b of supporting and forms, simultaneously, near this line continuing surface 8b position, cam surface 8c is integrally formed by the bending that board 8a is installed, this cam surface 8c can be along with movable needlework line sending road 3 shaking towards the top, right needlework 6R for the supporting that 8b accepts of line continuing surface, the left needlework 6L that running-on 10 enters the latest among the needlework 6L of a left side can apply tensile force when running-on 10 is about to enter this needlework ring 6Lr.
The needlework guiding function of the needlework guiding device of the following 2 pin double-thread overlock sewing machines that said structure is described with reference to Fig. 4-Fig. 6.In addition, Fig. 4-Fig. 6 Fig. 9-Figure 11 with the needlework guiding function that traditional needlework guiding device is described respectively is corresponding, Fig. 4 A-Fig. 6 A is the key diagram of the relative position relation of the head in movable needlework line sending road 3 and needlework carrier 8, Fig. 4 B-Fig. 6 B is that needlework carrier 8 carries out the key diagram that needlework are accepted state, Fig. 4 C-Fig. 6 C is the figure after for the state that the needlework ring clearly is described right pin 1R and left pin 1L being done to move slightly, and Fig. 5 D-Fig. 6 D sees the figure of right pin 1R, left pin 1L from making direct of travel.
Shown in Fig. 4 A and Fig. 4 C, when two pin 1R, 1L are in the state that bottom dead centre and 3 forwards below, movable needlework line sending road shakes, right needlework 6R part between the 1st needlework wire feeding hole 3a in movable needlework line sending road 3 and the 2nd needlework wire feeding hole 3b, left needlework 6L part are accepted supporting by the line continuing surface 8b that needlework prop up the portion of connecing 8 from the below, shown in Fig. 4 B.
From this state, shown in Fig. 5 C, simultaneously do needlework ring 6Rr, 6Lr of two pin 1R, 1L simultaneously rises, and shown in Fig. 5 D, running-on 10 advances simultaneously, and its head enters the needlework ring 6Rr on the right side.At this moment, shown in Fig. 5 A and Fig. 5 B, along with movable needlework line sending road 3 shakes upward, right needlework 6R, left needlework 6L are up carried simultaneously, and leave the line continuing surface 8b of needlework carrier 8.Straight being moved upward of right then needlework 6R, and contact with the lower beveled 8C1 of cam surface 8C at left needlework 6L, and one side contacts simultaneously to the right, and oblique upper moves with this inclined plane 8C1.Therefore, the left needlework 6L that is connected with left pin 1L is applied tensile force, can suppress the increase of this left side needlework ring 6Lr.
Then, shown in Fig. 6 C and 6D, the head of running-on 10 enters among the left needlework ring 6Lr.At this moment, shown in Fig. 6 A and 6B, left needlework 6L keeps contacting with the top projecting surface 8C2 of cam surface 8C and the state that is stretched, makes the constant size of this needlework ring 6Lr maintenance.Therefore, can not produce needlework ring 6Lr fall down or sagging, the head of running-on 10 can enter among the left needlework ring 6Lr reliably.Like this, running-on line 10N can catch right needlework 6R, left needlework 6L reliably, and then, through the decline of work feed, two pin 1R, 1L, returning of running-on 10 made action and can be formed predetermined double-locked stitch pinprick once cover is well-known like this.
Then, even along with the movable needlework line sending of the rising road 3 of two pin 1R, 1L when the top is shaken, left side needlework 6L moves at the top projecting surface 8C2 of above-below direction along linearity, running-on 16 continues left needlework 6L is applied tensile force to tighten up line after entering left needlework ring 6Lr, even event is to make object also can adapt to stretching of cloth etc., the reliable double-locked stitch pinprick of being scheduled to that forms to the cloth that retractility is arranged.
In addition, shake after top dead center and begin when the below is shaken along with the movable needlework line sending of the rising road 3 of two pin 1R, 1L arrives, left side needlework 6L one side and the upper angled face 8C3 of above-mentioned cam surface 8C wipe one mutually and descend towards top projecting surface 8C2 and to move, the left needlework 6L of the belly that hangs over running-on 10 is applied tensile force make the triangle of making the pinprick back side stable, can prevent the generation of bouncing pilotage.
In addition, the foregoing description is that cam surface 8C and needlework carrier 8 are provided with respectively and also can certainly to cam surface 8C and needlework carrier 8 is integrally formed to realize that the unitized structure of part is described.In addition, make cam surface 8C also can constitute such as the directions X at Fig. 4 B move fixing freely, to regulate to carrying the tensile force that needlework 6L is applied.Adjust to suitable tensile force according to the material behavior of twist thread quality and the line of this left side needlework 6L etc., at will use which type of needlework can both normal reliable ground performance intended function.
In addition, although the foregoing description is the double-thread overlock sewing machine that applies to have 2 pins, applies to have the double-thread overlock sewing machine of 3 above pins certainly or also can obtain identical effect at the flat lock stitch Sewing machines that sews up decorative thread on the double-locked stitch pinprick with many pins.
Claims (7)
1. the needlework guiding device of a double-thread overlock sewing machine comprises: the direction vertical with making direct of travel and establish, at above-below direction reciprocating motion many pins freely; Begin one side from bottom dead centre at described pin and do needlework uphill process of ring, advance from a side many pins and set direction towards the opposing party and enter the running-on of needlework ring in order; Be configured in the Sewing machines arm the outside portion, by with pin pump linkedly above-below direction back and forth drive shake to through line adjuster and locking pin drawing lines to movable needlework line sending road that pin provides the line sending portion of needlework to control; Be arranged near the Sewing machines arm of the position of head in described movable needlework line sending road, described pin needlework wire feeding hole that the head in bottom dead centre line sending road forms with stringing in the needlework between described head needlework wire feeding hole and locking pin drawing lines carry out from part midway curved guide movable needlework line sending road shake between the needlework wire feeding hole that base end side forms needlework partly from below accept the needlework carrier of supporting, it is characterized in that, near the line continuing surface of described needlework carrier position is provided with cam surface, movable needlework line sending road the shaking of the ascending motion interlock that described cam surface begins along with the bottom dead centre with pin towards the top, the needlework that provide at the pin that enters the latest to described running-on at least in the many needlework by the supporting that continuing surface is accepted of needlework carrier, when being about to enter described needlework ring, running-on to applying tensile force, and described tensile force remained to till running-on enters the needlework ring.
2. the needlework guiding device of double-thread overlock sewing machine according to claim 1 is characterized in that, the line continuing surface of described cam surface and needlework carrier is integrally formed.
3. the needlework guiding device of double-thread overlock sewing machine according to claim 1 is characterized in that, described cam surface can be regulated the tensile force that needlework are applied.
4. the needlework guiding device of double-thread overlock sewing machine according to claim 2 is characterized in that, described cam surface can be regulated the tensile force that needlework are applied.
5. require the needlework guiding device of 1 described double-thread overlock sewing machine according to profit, it is characterized in that, described cam surface is formed on running-on and enters the shape that also can continue needlework are applied the tensile force that tightens up line behind the needlework ring.
6. the needlework guiding device of double-thread overlock sewing machine according to claim 2 is characterized in that, described cam surface is formed on running-on and enters the shape that also can continue needlework are applied the tensile force that tightens up behind the needlework ring.
7. the needlework guiding device of double-thread overlock sewing machine according to claim 3 is characterized in that, described cam surface is formed on running-on and enters the shape that also can continue needlework are applied the tensile force that tightens up line behind the needlework ring.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP377411/1999 | 1999-12-30 | ||
JP37741199A JP4296560B2 (en) | 1999-12-30 | 1999-12-30 | Needle thread guide device for double chain stitch sewing machine |
Publications (2)
Publication Number | Publication Date |
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CN1301890A true CN1301890A (en) | 2001-07-04 |
CN1116462C CN1116462C (en) | 2003-07-30 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN00137064A Expired - Fee Related CN1116462C (en) | 1999-12-30 | 2000-12-28 | Needle thread guider for double thread interlock seam sewing machine |
Country Status (5)
Country | Link |
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EP (1) | EP1113100B1 (en) |
JP (1) | JP4296560B2 (en) |
CN (1) | CN1116462C (en) |
DE (1) | DE60022852T2 (en) |
TW (1) | TWI228161B (en) |
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CN100402727C (en) * | 2001-08-02 | 2008-07-16 | 飞马缝纫机制造株式会社 | Needle and thread controller for multi-needle dual cap seaming machine |
CN1542196B (en) * | 2002-05-01 | 2010-09-22 | 大和缝纫机制造株式会社 | Needle thread feeding device of sewing machine |
CN102140738A (en) * | 2010-11-12 | 2011-08-03 | 苏州市青田企业发展有限公司 | Pressing and positioning device for twin-needle M/C |
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JP2008220597A (en) * | 2007-03-12 | 2008-09-25 | Yamato Sewing Mach Co Ltd | Driving device of sewing machine |
JP7371915B2 (en) * | 2020-03-26 | 2023-10-31 | オルガン針株式会社 | Sewing method using an interlock stitch sewing machine needle and interlock stitch sewing machine |
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Publication number | Priority date | Publication date | Assignee | Title |
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IT1272600B (en) * | 1993-09-10 | 1997-06-26 | Rimoldi S R L Ora Rimoldi Necc | DEVICE TO FORM A CONTINUOUS CHAIN IN MACHINES FOR SEWING STITCH ORNAMENT WITHOUT MULTI-NEEDLE COVER |
JP2974557B2 (en) * | 1993-09-30 | 1999-11-10 | ジューキ株式会社 | Stitch forming method and apparatus for double chain stitch sewing machine |
JP3489089B2 (en) * | 1995-09-01 | 2004-01-19 | ヤマトミシン製造株式会社 | Looper threading device |
JP3498480B2 (en) * | 1996-04-11 | 2004-02-16 | ヤマトミシン製造株式会社 | Sewing machine with thread reeling device |
JPH09285666A (en) * | 1996-04-19 | 1997-11-04 | Pegasus Sewing Mach Mfg Co Ltd | Thread control device of multi-thread chain stitch sewing machine |
-
1999
- 1999-12-30 JP JP37741199A patent/JP4296560B2/en not_active Expired - Fee Related
-
2000
- 2000-12-07 TW TW89126051A patent/TWI228161B/en not_active IP Right Cessation
- 2000-12-20 EP EP20000127921 patent/EP1113100B1/en not_active Expired - Lifetime
- 2000-12-20 DE DE2000622852 patent/DE60022852T2/en not_active Expired - Lifetime
- 2000-12-28 CN CN00137064A patent/CN1116462C/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100402727C (en) * | 2001-08-02 | 2008-07-16 | 飞马缝纫机制造株式会社 | Needle and thread controller for multi-needle dual cap seaming machine |
CN100352992C (en) * | 2001-10-17 | 2007-12-05 | 大和缝纫机制造株式会社 | Sewing machine |
CN1542196B (en) * | 2002-05-01 | 2010-09-22 | 大和缝纫机制造株式会社 | Needle thread feeding device of sewing machine |
CN100389236C (en) * | 2002-05-10 | 2008-05-21 | 大和缝纫机制造株式会社 | Thread tension device of sewing machine |
CN102140738A (en) * | 2010-11-12 | 2011-08-03 | 苏州市青田企业发展有限公司 | Pressing and positioning device for twin-needle M/C |
Also Published As
Publication number | Publication date |
---|---|
JP2001187290A (en) | 2001-07-10 |
DE60022852T2 (en) | 2006-06-22 |
DE60022852D1 (en) | 2006-02-09 |
EP1113100A3 (en) | 2002-04-17 |
CN1116462C (en) | 2003-07-30 |
JP4296560B2 (en) | 2009-07-15 |
TWI228161B (en) | 2005-02-21 |
EP1113100A2 (en) | 2001-07-04 |
EP1113100B1 (en) | 2005-09-28 |
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