CN103255590A - Wire feeding device of sewing machine - Google Patents

Wire feeding device of sewing machine Download PDF

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Publication number
CN103255590A
CN103255590A CN2013100509159A CN201310050915A CN103255590A CN 103255590 A CN103255590 A CN 103255590A CN 2013100509159 A CN2013100509159 A CN 2013100509159A CN 201310050915 A CN201310050915 A CN 201310050915A CN 103255590 A CN103255590 A CN 103255590A
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CN
China
Prior art keywords
mentioned
guide portion
guiding elements
wire
line guide
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Granted
Application number
CN2013100509159A
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Chinese (zh)
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CN103255590B (en
Inventor
宫武昌夫
久原俊雄
南云由纪子
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Pegasus Corp
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Pegasus Sewing Machine Manufacturing Co Ltd
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Publication of CN103255590A publication Critical patent/CN103255590A/en
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Publication of CN103255590B publication Critical patent/CN103255590B/en
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Abstract

The invention provides a wire feeding device of a sewing machine, which can simplify tedious operations of wearing sewing wires again during switching a hard stitch with a soft stitch. The wire feeding device (20) of the sewing machine (21) has a wire stirring and picking part (31), a first wire guide part (29), a second wire guide part (30) and a movable wire guide member (32). The wire stirring and picking part (31) having a wire feeding hole (34) at a swing front end side is arranged in a way that the wire stirring and picking part (31) can vertically swing surrounding a swing shaft (31a) which supports a swing base end side. The movable wire guide member (32) is formed independent of the wire stirring and picking part (31) and is arranged between the wire feeding hole (34) and the second wire guide part (30) to adjust positions vertically and horizontally.

Description

The thread feeding apparatus of Sewing machines
Technical field
The present invention relates to for line sending (the Japanese: Shito Kuri り) device that promotes to choose to sewing needle the Sewing machines of suture.
Background technology
In the past, as the thread feeding apparatus of this Sewing machines, the thread feeding apparatus 9(of the Sewing machines 8 that constitutes was as shown in Figure 11 for example arranged for example, with reference to patent documentation 1), it comprises: but moving-wire guiding piece 1; Swing take-up parts 6, the front surface side that it is located at Sewing machines arm 2 has the 1st wire feeding hole 3 and the 2nd wire feeding hole 4 of can the confession suture passing, and by one distolateral centered by with move up and down synchronously reciprocally swinging and the amount of choosing of control line of shank 5; Shank take-up parts 7, the upper end that it is fixed in shank 5 has the wire feeding hole 7a that can supply suture to pass, and the amount of choosing of control suture.Wherein, the thread feeding apparatus 9 of this Sewing machines 8 can be selected path R1 and path R2, but path R1 is from 1st wire feeding hole 3 of moving-wire guiding piece 1 by swing take-up parts 6, arrive pin 10 through shank take-up parts 7 again, path R2 is shorter than path R1, but from the 2nd wire feeding hole 4 arrival pins 10 of moving-wire guiding piece 1 by swing take-up parts 6.
Thus, for the suture path to pin 10 from line tension disk 11, can select length different thread path R1, R2, therefore, for example in the situation of wanting to form not lax harder stitching, want to guarantee to select relatively long path R1 to get final product, on the other hand under the flexible situations such as situation of suture, wanting to form under the situation that lax softer stitching is arranged slightly, selecting relatively short path R2 to get final product.
Patent documentation 1: TOHKEMY 2003-979 communique
But, in the thread feeding apparatus 9 of Sewing machines as described above, when switching harder stitching and softer stitching, need reselect one be located at the 1st wire feeding hole 3 of swing take-up parts 6 or the 2nd wire feeding hole 4 and with suture again from the two one of the operation of passing, therefore, there is the extremely problem of trouble.
In addition, under the softer situation of stitching, the suture elasticity is poor, and the sense of touch of sewings is bad.Though so, if tension suture and increase the line resistances to sliding with line tension disk 11, can have the problem that causes that easily suture breaks again.
Summary of the invention
The present invention finishes in order to address the above problem, and its purpose is, a kind of thread feeding apparatus that can seek to simplify the Sewing machines of the loaded down with trivial details operation of wearing suture again when switching harder stitching and softer stitching is provided.In addition, another object of the present invention is to, a kind of suture broken string that can not take place under the softer situation of stitching is provided, make the thread feeding apparatus of the good Sewing machines of suture elasticity.
The thread feeding apparatus of Sewing machines of the present invention has in the front surface side of Sewing machines arm: the 1st line guide portion, pass the 1st line guide portion from the suture of line tension disk; The 2nd line guide portion is passed the 2nd line guide portion from the suture of the 1st line guide portion; But the moving-wire guiding elements, but pass this moving-wire guiding elements from the suture of the 2nd line guide portion; Swing take-up parts, but it has the wire feeding hole of passing for the suture from this moving-wire guiding elements in the swing front, and the mode that swings up and down with the swinging axle around its swing base end side of supporting arranges, it is characterized in that, but above-mentioned moving-wire guiding elements is independent of above-mentioned swing take-up parts ground to be constituted, and is configured to adjust position up and down between above-mentioned wire feeding hole and above-mentioned the 2nd line guide portion.
Thus, when switching harder stitching and softer stitching, but can switch harder stitching and softer stitching by the position up and down of between wire feeding hole and the 2nd line guide portion, adjusting the moving-wire guiding elements, therefore, compare with the loaded down with trivial details operation of wearing suture again in the past, can operate simply.
As a preferred scheme, the thread feeding apparatus of Sewing machines of the present invention can adopt following structure: but above-mentioned the 2nd line guide portion is so that pass the suture of above-mentioned the 2nd line guide portion bends to the chevron shape that projects upwards between above-mentioned moving-wire guiding elements and above-mentioned the 1st line guide portion mode and set.Thus, under the softer situation of stitching, can as the situation that increases the line resistance to sliding with the line tension disk, not cause suture broken string, tension suture that can be good.
In addition, the thread feeding apparatus of Sewing machines of the present invention can adopt following structure: but the thread feeding apparatus of above-mentioned Sewing machines has the regulator of the upper-lower position of above-mentioned moving-wire guiding elements, the regulator of this upper-lower position has hood-shaped carriage and installation bracket, at the fixing hood-shaped carriage (Japanese: カ バ one Block ラ ケ Star ト) of the front surface side of above-mentioned Sewing machines arm, at this hood-shaped carriage the long bullport of above-below direction is set, and the installation bracket that utilizes the screw that passes above-mentioned bullport that but above-mentioned moving-wire guiding elements will be installed is fixed in this hood-shaped carriage, by this screw is slided along above-mentioned bullport, but can adjust the upper-lower position of above-mentioned moving-wire guiding elements.Thus, but can be very stable and adjust the upper-lower position of moving-wire guiding elements reliably.
In addition, the thread feeding apparatus of Sewing machines of the present invention can adopt following structure: but the thread feeding apparatus of above-mentioned Sewing machines has the regulator of the position, the left and right sides of above-mentioned moving-wire guiding elements, the regulator of this position, left and right sides has hood-shaped carriage and installation bracket, but the fixing above-mentioned moving-wire guiding elements of screw of the bullport of the left and right directions length of being located at above-mentioned installation bracket is passed in utilization, by this screw is slided along above-mentioned bullport, but can adjust the position of the left and right directions of above-mentioned moving-wire guiding elements.Thus, but can be very stable and adjust the position, the left and right sides of moving-wire guiding elements reliably.
According to the present invention, but can be by between the wire feeding hole of swinging the take-up parts and the 2nd line guide portion, adjusting the such simple mechanism in position up and down of moving-wire guiding elements, switch harder stitching and softer stitching, therefore, has the advantage that to seek to simplify the loaded down with trivial details operation of wearing suture again.
Description of drawings
Fig. 1 is the stereogram of having used the double-thread overlock sewing machine of thread feeding apparatus of the present invention.
Fig. 2 is the front view of above-mentioned double-thread overlock sewing machine.
Fig. 3 is the vertical view of above-mentioned double-thread overlock sewing machine.
Fig. 4 is the amplification stereogram of the thread feeding apparatus of above-mentioned double-thread overlock sewing machine.
Fig. 5 is the enlarged front view of the thread feeding apparatus of above-mentioned double-thread overlock sewing machine.
Fig. 6 is the amplification plan view of the thread feeding apparatus of above-mentioned double-thread overlock sewing machine.
Fig. 7 is the amplification stereogram of thread feeding apparatus of having pulled down the above-mentioned double-thread overlock sewing machine of STA representation of hood-shaped carriage.
Fig. 8 is the enlarged front view of thread feeding apparatus of having pulled down the above-mentioned double-thread overlock sewing machine of STA representation of hood-shaped carriage.
Fig. 9 is the amplification plan view of thread feeding apparatus of having pulled down the above-mentioned double-thread overlock sewing machine of STA representation of hood-shaped carriage.
Figure 10 is the general principal view of the thread feeding apparatus of above-mentioned double-thread overlock sewing machine.
Figure 11 is the general principal view of thread feeding apparatus of the double-thread overlock sewing machine of example in the past.
The specific embodiment
Below, based on the preferred embodiment example of the thread feeding apparatus of description of drawings Sewing machines of the present invention.
Fig. 1 ~ Fig. 3 shows the Sewing machines 21 as double-thread overlock sewing machine that has as the thread feeding apparatus 20 of an embodiment of the present invention example.In Fig. 1 ~ Fig. 3, Sewing machines 21 has base portion 21a, is parallel to base portion 21a ground extended Sewing machines arm 21c from vertical main part 21b and the vertical certainly main part 21b of base portion 21a setting setting.
Sewing machines 21 comprises: three line tension disks 24, and they are used for respectively the suture that passes is applied the tension force of regulation from each pin 23 of three pins 23 of the bottom of being fixed in shank 22, and shank 22 is up and down reciprocatingly driven by not shown machine spindle; Line tension disk 26, it is used for (Japanese: ス プ レ Star タ one) the 25 last decorative threads that pass apply the tension force of regulation from last decorative thread separator; Line tension disk 27, it is used for the looper thread that illustrated looper never passes through is applied the tension force of regulation.Last decorative thread separator 25 is constituted as at the face side of cloth and above-mentioned machine spindle interlock, in addition, above-mentioned looper is constituted as in base portion 21a and above-mentioned machine spindle interlock, Sewing machines 21 makes decorative thread be wound in the stitching that is formed by three pins 23 and not shown looper cooperation on one side, Yi Bian form double-locked stitch fancy seam.
Thread feeding apparatus 20 comprises: fueller 28, and its line tension disk 24,26 in the front surface side that is arranged at vertical main part 21b, 27 left side, and be disposed at the front surface side of Sewing machines arm 21c; The 1st line guide portion 29, its be disposed at line tension disk 24,26,27 and fueller 28 between; The 2nd line guide portion 30, it is disposed at the left side of fueller 28; Swing take-up parts 31, it is disposed at the left side of the 2nd line guide portion 30; But moving-wire guiding elements 32, it is independent of swing take-up parts 31 ground formation, is disposed at the front side of swing take-up parts 31.This thread feeding apparatus 20 is used for only showing one making to pull repeatedly among three suture T(Fig. 1) the take-up action and lax three suture T send action.The 1st line guide portion 29 has three line holes 33, passes from these line holes 33 respectively from three suture T of three line tension disks 24.Fueller 28 is made of oil feeding reservoirs 28a, and the inside of oil feeding reservoirs 28a is filled with soaks the felt that has contained as the silicone oil of lubricant, passes through from this oil feeding reservoirs 28a by making suture T, and makes suture T be coated with silicone oil.
As Fig. 7, shown in Figure 8, swing take-up parts 31 are made of swinging base 31b and swing arm 31c, by and shank 22 synchronously the regulation top dead-centre and bottom dead centre between the swing and the amount of choosing of control line, swinging base 31b can swing up and down centered by the swinging axle 31a that links with above-mentioned machine spindle, swing arm 31c is fixed in swinging base 31b, the size of growing about being set as.Be formed with 3 wire feeding hole 34 in the left part of swing arm 31c (leading section).
As Fig. 7, shown in Figure 8, the part in the side that keeps left of the left part than swing arm 31c (leading section) of the front surface side of Sewing machines arm 21c is equipped with the 3rd line guide portion 35, the 4th line guide portion 36.Between the 3rd line guide portion 35 and wire feeding hole 34, be provided with thread gripping-board (Japanese: yarn is subjected to け) 37.
As Fig. 7 ~ shown in Figure 9, but moving-wire guiding elements 32 constituted by supporting mass 32a and three line guide rod 32b, three line guide rod 32b fix with the mode screw thread that connects supporting mass 32a, and form wired hole 38 in the upper end.Each line guide rod 32b can slide along the vertical direction and is fixed in the position of expectation with respect to supporting mass 32a, thus, can adjust take-up amount and line sending amount.
In addition, but moving-wire guiding elements 32 is adjusting up and down between the wire feeding hole 34 of swing take-up parts 31 and the 2nd line guide portion 30 that the mode of position arranges.Thus, also can adjust take-up amount and unwrapping wire amount.
But as the concrete regulator of the left and right sides upper-lower position of moving-wire guiding elements 32, as Fig. 4 ~ shown in Figure 6, with screw 41 hood-shaped carriage 40 is arranged fixedly in the front surface side of Sewing machines arm 21c, hood-shaped carriage 40 has the bullport 39 of the long shape of above-below direction.And, the installation bracket 43 that will have the bullport 42 of the long shape of left and right directions from the bullport 39 of hood-shaped carriage 40 with the screw 44 that passes is fixed in this hood-shaped carriage 40, and, by this screw 44 is slided along bullport 39, can adjust the position of the above-below direction of installation bracket 43 very stable and reliably.But screw that utilization is passed from bullport 42 45 is fixed in installation bracket 43 with moving-wire guiding elements 32, and by this screw 45 is slided along bullport 42, but can be very stable and adjust the left and right directions position of moving-wire guiding elements 32 reliably.But the adjustment of the position of the above-below direction of moving-wire guiding elements 32 is carried out along the above-below direction position that installation bracket 43 is adjusted in bullport 39 slips by making screw 44.
For under the situation that forms softer stitching, when tension suture T, can unlike the situation that increases the line resistance to sliding with line tension disk 24, cause the suture broken string, and strain suture T well, but the 2nd line guide portion 30 is so that pass the suture T of the 2nd guide portion 30 bends to the chevron shape that projects upwards as shown in Figure 10 between moving-wire guiding elements 32 and the 1st line guide portion 29 mode and arrange.The 2nd line guide portion 30 can not be adjusted ground, position and be fixed on the assigned position, also can be arranged to adjust upper-lower position and maybe can adjust position, the left and right sides.
The suture T that passes line tension disk 24 passes after the 1st guide portion 29, the fueller 28, penetrates the 2nd line guide portion 30.Then, but penetrate the line guide rod 32b of moving-wire guiding elements 32, and then penetrate the wire feeding hole 34 of swing take-up parts 31.Then, pass thread gripping-board 37, the 3rd line guide portion 35, the 4th line guide portion 36 successively and wear to pin 23.In addition, as shown in Figure 4, on hood-shaped carriage 40, the finger-type guard member (Japanese: Off イ Application ガ one ガ one De) 46 that penetrates the suture T of thread gripping-board 37 for the protection of the wire feeding hole 34 from swing take-up parts 31 is installed.
But be L establishing from moving-wire guiding elements 32 through the path that swing take-up parts 31 arrive the suture path of the 3rd line guide portion 35, path when shank is positioned at top dead-centre is L1, path when shank is positioned at bottom dead centre is L2, when shank is positioned at top dead-centre and the path length difference when being positioned at bottom dead centre be Δ L=L1-L2, the path increment up and down of shank 22 is under the situation of H, but can regulate the left and right sides upper-lower position of moving-wire guiding elements 32, and make 0＜Δ L＜H.
In addition, in Figure 10, the suture path when the suture T shown in the solid line a represents that shank is positioned at top dead-centre, the suture path when the suture T shown in the dotted line b represents that shank is positioned at bottom dead centre.
In the thread feeding apparatus 20 with said structure, under the situation of wanting to form basic not lax harder stitching, the situation wanting to prevent from breaking etc., but adjust moving-wire mobile member 32 by moving towards left and towards the below, when making shank be positioned at top dead-centre and the path length difference Δ L when being positioned at bottom dead centre get final product more greatly.
In addition, wanting to form under the situation with to a certain degree lax softer stitching, but by conversely towards right-hand and move towards the top and to adjust moving-wire guiding elements 32, when making shank be positioned at top dead-centre and less the getting final product of path length difference Δ L when being positioned at bottom dead centre.
According to the thread feeding apparatus 20 of the Sewing machines 21 of above explanation, constitute but moving-wire guiding elements 32 is independent of swing take-up parts 31 ground, and can between the wire feeding hole 34 of swing take-up parts 31 and the 2nd line guide portion 30, adjust position up and down.Therefore, only by in the situation of wanting to form not lax harder stitching, want to guarantee under the flexible situations such as situation of line, but move adjustment moving-wire mobile member 32 towards left and towards the below, wanting to form under the situation that lax softer stitching is arranged slightly, but towards right-hand and move towards the top and to adjust the such simple operations of moving-wire guiding elements 32, can easily carry out the switching of harder stitching and softer stitching.
Description of reference numerals
The T suture
20 thread feeding apparatuss
21 Sewing machiness
21c Sewing machines arm
24,26,27 line tension disks
29 the 1st line guide portion
30 the 2nd line guide portion
31 swing take-up parts
The 31a swinging axle
But 32 moving-wire guiding elements
34 wire feeding hole
39,42 bullports
40 hood-shaped carriages
41,44,45 screws
43 installation brackets

Claims (4)

1. the thread feeding apparatus of a Sewing machines, its front surface side at the Sewing machines arm has: the 1st line guide portion, pass the 1st line guide portion from the suture of line tension disk; The 2nd line guide portion is passed the 2nd line guide portion from the suture of the 1st line guide portion; But the moving-wire guiding elements, but pass this moving-wire guiding elements from the suture of the 2nd line guide portion; Swing take-up parts, but it has the wire feeding hole of passing for the suture from this moving-wire guiding elements in the swing front, and arrange in the mode that swings up and down around its swinging axle of swinging base end side of supporting, it is characterized in that,
But above-mentioned moving-wire guiding elements is independent of above-mentioned swing take-up parts ground to be constituted, and is configured to adjust position up and down between above-mentioned wire feeding hole and above-mentioned the 2nd line guide portion.
2. the thread feeding apparatus of Sewing machines according to claim 1 is characterized in that,
But above-mentioned the 2nd line guide portion is so that pass the suture of above-mentioned the 2nd line guide portion bends to the chevron shape that projects upwards between above-mentioned moving-wire guiding elements and above-mentioned the 1st line guide portion mode and set.
3. the thread feeding apparatus of Sewing machines according to claim 1 and 2 is characterized in that,
But the thread feeding apparatus of above-mentioned Sewing machines has the regulator of the upper-lower position of above-mentioned moving-wire guiding elements, the regulator of this upper-lower position has hood-shaped carriage and installation bracket, front surface side at above-mentioned Sewing machines arm fixedly has hood-shaped carriage, be provided with the long bullport of above-below direction at this hood-shaped carriage, and the installation bracket that utilizes the screw that passes above-mentioned bullport that but above-mentioned moving-wire guiding elements will be installed is fixed in this hood-shaped carriage, by this screw is slided along above-mentioned bullport, but can adjust the upper-lower position of above-mentioned moving-wire guiding elements.
4. the thread feeding apparatus of Sewing machines according to claim 3 is characterized in that,
But the thread feeding apparatus of above-mentioned Sewing machines has the regulator of the position, the left and right sides of above-mentioned moving-wire guiding elements, the regulator of this position, left and right sides has hood-shaped carriage and installation bracket, but the screw of the bullport of the left and right directions length of being located at above-mentioned installation bracket is passed in utilization above-mentioned moving-wire guiding elements is arranged fixedly, by this screw is slided along the long bullport of above-mentioned left and right directions, but can adjust the position of the left and right directions of above-mentioned moving-wire guiding elements.
CN201310050915.9A 2012-02-16 2013-02-16 Wire feeding device of sewing machine Active CN103255590B (en)

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JP2012-032028 2012-02-16
JP2012032028A JP5953062B2 (en) 2012-02-16 2012-02-16 Sewing machine

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5953062B2 (en) * 2012-02-16 2016-07-13 ペガサスミシン製造株式会社 Sewing machine
TWI635034B (en) * 2017-06-20 2018-09-11 致茂電子股份有限公司 Tightening device

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Publication number Priority date Publication date Assignee Title
CN1168431A (en) * 1996-04-11 1997-12-24 大和缝纫机制造株式会社 Machine with yarn manipulating apparatus attached to same
JPH11207070A (en) * 1998-01-19 1999-08-03 Yamato Sewing Mach Co Ltd Sewing machine with thread feeder
CN1393586A (en) * 2001-06-25 2003-01-29 重机公司 Upper thread device for sewing machine
JP2003093774A (en) * 2002-08-05 2003-04-02 Yamato Sewing Mach Co Ltd Sewing machine with thread feeder
CN1456730A (en) * 2002-05-10 2003-11-19 大和缝纫机制造株式会社 Thread tension device of sewing machine
CN1690285A (en) * 2002-05-01 2005-11-02 大和缝纫机制造株式会社 Needle thread feeding device of sewing machine
CN203128822U (en) * 2012-02-16 2013-08-14 飞马缝纫机制造株式会社 Thread conveying device of sewing machine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002273085A (en) * 2001-03-19 2002-09-24 Yamato Sewing Mach Co Ltd Needle thread supplier of sewing machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1168431A (en) * 1996-04-11 1997-12-24 大和缝纫机制造株式会社 Machine with yarn manipulating apparatus attached to same
JPH11207070A (en) * 1998-01-19 1999-08-03 Yamato Sewing Mach Co Ltd Sewing machine with thread feeder
CN1393586A (en) * 2001-06-25 2003-01-29 重机公司 Upper thread device for sewing machine
CN1690285A (en) * 2002-05-01 2005-11-02 大和缝纫机制造株式会社 Needle thread feeding device of sewing machine
CN1456730A (en) * 2002-05-10 2003-11-19 大和缝纫机制造株式会社 Thread tension device of sewing machine
JP2003093774A (en) * 2002-08-05 2003-04-02 Yamato Sewing Mach Co Ltd Sewing machine with thread feeder
CN203128822U (en) * 2012-02-16 2013-08-14 飞马缝纫机制造株式会社 Thread conveying device of sewing machine

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JP2013165896A (en) 2013-08-29
CN103255590B (en) 2017-04-12
CN203128822U (en) 2013-08-14
TWM526583U (en) 2016-08-01
JP5953062B2 (en) 2016-07-13
TW201344003A (en) 2013-11-01

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Address after: Osaka City, Osaka of Japan

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Patentee before: Pegasus Sewing Machine Mfg. Co.,Ltd.