CN103132252A - Needle track structure simulating double ring and multi-needle sewing machine forming the needle track - Google Patents
Needle track structure simulating double ring and multi-needle sewing machine forming the needle track Download PDFInfo
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- CN103132252A CN103132252A CN201210456833XA CN201210456833A CN103132252A CN 103132252 A CN103132252 A CN 103132252A CN 201210456833X A CN201210456833X A CN 201210456833XA CN 201210456833 A CN201210456833 A CN 201210456833A CN 103132252 A CN103132252 A CN 103132252A
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Abstract
The invention provides a multi-needle sewing machine forming a novel decorative needel-track structure having elasticity under a simulation double-ring compared with conventional decorative needel-track structures under the double-ring. The multi-needle sewing machine consists of a plurality of needles, curved needles and hooks, wherein the plurality of needles are parallel in a direction orthogonal with a textile fabric feeding direction and vertically move, the curved needles are used for maintaining a lower decorative line and only carry out synchronous reciprocating movement with needle vertical movement toward a needle arrangement direction. When in going movement, the curved needles hook a needle thread loop; when in returning movement, the curved needles depart from the needle thread loop. The hooks and a main shaft carry out the reciprocating movement in a linkage manner. When in going movement, the hooks are clamped with the lower decorative line of a front end part of the curved needles and move toward the textile fabric feeding direction and a front side expands to form the next line track in order to form a loop which the end needle enters in.
Description
Technical field
Decorate stitching structure under the simulation dual ring of the novelty that the present invention relates to the needlework stitch parallel by the multiple row that runs through formation of fabrics and form with lower decorative thread that each needlework stitch is combined in fabric the inside and form many needle sewing machines of this needle tracking.
Background technology
Decorate stitching structure by JISL 0120 under the dual ring of definite stitch specification 406,407, by the two or three parallel needlework stitch of row that run through formation of fabrics and the lower decorative thread of being combined with each row needlework stitch in the fabric the inside, formed, the needlework coil formed when this time decorative thread becomes to enclose the land through each row needlework stitch, the one side is hung on each row needlework coil then formed circuitously, and from the needlework coil of the needlework stitch of end row out decorative thread, made the form that is passed in the needlework coil formed before and after it.
Form many pin double-thread overlock sewing machines decorating stitching structure under above-mentioned dual ring, have keep needlework and the direction with fabric direction of feed quadrature side by side, two or three eedles and the looper that move up and down linkedly with main shaft, this looper keeps lower decorative thread, the reciprocating motion of the direction of carrying out synchronizeing with moving up and down of eedle and arranging to eedle and by the elliptic motion formed to seesawing of fabric direction of feed, and the needlework coil that will be formed by above-mentioned each eedle hooks.
In following patent documentation 1 and 2, disclose under above-mentioned dual ring and decorated stitching structure and many pin double-thread overlock sewing machines.
The look-ahead technique document
Patent documentation
Patent documentation 1: TOHKEMY 2000-218071
Patent documentation 2: TOHKEMY 2010-233904
Summary of the invention
Invent problem to be solved
The object of the present invention is to provide and decorate stitching structure under a kind of dual ring with in the past and compare, be imbued with under the simulation dual ring of novelty of retractility the many needle sewing machines of decorating stitching structure and forming this stitching structure.
In order to solve the means of problem
Decorate stitching structure under the simulation dual ring of the invention relevant with technical scheme 1, it is the stitching structure of making following form, by running through the parallel needlework stitch of multiple row that fabric ground forms and the lower decorative thread of being combined with the needlework stitch of each row in the fabric the inside, form, this time decorative thread made the needlework coil formed when the needlework coil of the needlework stitch of end row becomes to enclose the land through each row, except the coil of front end hangs over the next needlework coil in the needlework stitch of other end row, do not hang on the next needlework coil in the needlework stitch of other row, and from the needlework coil of above-mentioned end row out decorative thread separate forwards, backwards, become to enclose the land through the needlework coil of front and back.
The invention of technical scheme 2, to form the invention of under the simulation dual ring of invention of technical scheme 1, decorating many needle sewing machines of stitching structure, by many eedles, looper, hook forms, above-mentioned many eedles keep needlework arranged side by side in the direction with fabric direction of feed quadrature, with main shaft, moved up and down linkedly, above-mentioned looper keeps lower decorative thread, only carry out and the moving up and down synchronously to the reciprocating motion of the direction of faller gill row of pin, hook the needlework coil formed by the eedle risen from lower dead center when carrying out past moving, when carrying out double action, from the needlework coil, break away from, the reciprocating motion linkedly of above-mentioned hook and main shaft, when carrying out past moving, the lower decorative thread of the looper leading section outstanding with the needlework coil that passes each eedle engages, expand and form next stitching to side in front of the fabric direction of feed, so coil that among many eedles that form to descend, only the eedle of end enters.
The effect of invention
Decorate stitching structure under the simulation dual ring of the invention of technical scheme 1, become to enclose the land unchangeably through each needlework coil, decorate stitching structure under dual ring in the past, one side of passing the lower decorative thread of each needlework coil hangs on needlework coil of each row that then form circuitously, in the needlework stitch of row at one end, the needlework coil of front and back does not hang on the coil of lower decorative thread, only by a lower decorative thread, linked, a little less than the adhesion of the needlework stitch of the front and back that produced by lower decorative thread, so becoming, easily stretches needle tracking.
According to many needle sewing machines of the invention of technical scheme 2, can obtain under the simulation dual ring of invention of technical scheme 1 and decorate stitching structure.
In addition, form the looper of many needle sewing machines of ornamental seam under dual ring in the past, with the reciprocating motion (side-to-side movement) of the direction along being kept straight on by synthetic and fabric direction of feed and the mode of moving to the elliptic orbit that the reciprocating motion (seesawing) of fabric direction of feed forms, form, but in many needle sewing machines of the present invention, looper only carries out to the reciprocating motion of the direction of eedle arrangement, because do not need the mechanism that looper is seesawed to the fabric direction of feed, so looper drive is simplified significantly, the high-speed driving of looper becomes possibility simultaneously.
The accompanying drawing explanation
Fig. 1 means the stereogram of the outward appearance of flat lock stitch Sewing machines.
Fig. 2 is configured in looper in the cylinder bed of the Sewing machines shown in Fig. 1 and the top view of hook.
Fig. 3 is the side view of the actuating mechanism of the hook shown in Fig. 2.
Fig. 4 is the exploded perspective view of the actuating mechanism of hook.
Fig. 5 means the stereogram of needle tracking forming process.
Fig. 6 means the stereogram of next needle tracking forming process.
Fig. 7 means the stereogram of next needle tracking forming process again.
Fig. 8 means the stereogram of next needle tracking forming process again.
Fig. 9 means the stereogram of next needle tracking forming process again.
Figure 10 means the stereogram of next needle tracking forming process again.
Figure 11 means the stereogram of next needle tracking forming process again.
Figure 12 means the stereogram of next needle tracking forming process again.
Figure 13 means the stereogram of next needle tracking forming process again.
Figure 14 means the stereogram of next needle tracking forming process again.
The specific embodiment
Below, with reference to the accompanying drawings embodiments of the present invention are described.
Fig. 1 means the figure of the outward appearance of the flat lock stitch Sewing machines with cylinder bed 2, except have on the needlework stitch, pack on the mechanisms such as spreader 1 of decorative thread, from many known pin double-thread overlock sewing machines, do not have different, the surface structure of the Sewing machines shown in Fig. 1 is not characteristic of the present invention, so the description thereof will be omitted.
Fig. 2 means the figure of the internal structure of cylinder bed 2, by looper 3 and hook 4, formed, this looper 3 utilizes and keeps lower decorative thread and omit illustrated reciprocating mechanism, only carry out linear reciprocating motion in the direction with fabric direction of feed quadrature, hook the needlework coil formed by pin rising from lower dead center when carrying out past moving, when carrying out double action, from the needlework coil, break away from, this hook 4 utilizes actuating mechanism reciprocating rotation in the horizontal direction, carrying out when moving by the hook groove 4a(that is formed on front end with reference to Fig. 4) catch this time decorative thread with the lower decorative thread of the eyelet 3a that has passed above-mentioned looper 3 with engaging, this time decorative thread expanded to fabric direction of feed front side, the actuating mechanism of this hook 4 as shown in Figure 2 to 4, comprise from base 5 to cylinder bed in 2 stretch out by horizontal ground axle suspension, be fixed on the eccentric wheel 7 on the end in the cylinder bed 2 of the lower shaft 6 rotated linkedly with main shaft, by axle, be bearing on Sewing machines machine frame 8 and the bar 9 of reciprocating rotation in vertical plane, the connecting rod 11 that links the pars intermedia of above-mentioned eccentric wheel 7 and bar 9, the pars intermedia axle is bearing on Sewing machines machine frame 8, the upper end of one end and above-mentioned bar 9 links, utilize the horizon bar 12 of the reciprocating rotation of bar 9 in vertical plane reciprocating rotation in horizontal plane, above-mentioned hook 4 has meaned the axial region of this limit screw 13 by limit screw 13(in Fig. 2) be fixed on the other end of horizon bar 12.
Be fixed on the hook 4 on horizon bar 12, as mentioned above, together with horizon bar 12 in horizontal plane reciprocating rotation, but in order to regulate the radius of turn of front end, formed slotted hole 14 on the installation base portion of hook 4, in the scope of this slotted hole 14, horizon bar 12 can come in and go out to adjust position.
Above-mentioned bar 9 has also formed slotted hole 16 longitudinally at pars intermedia, by through the limit screw 17 adjustable position ground of this slotted hole 16, linking connecting rod 11, and by adjusting up and down coupling position, can adjusting lever 9 and the reciprocating rotary momentum of hook 4.
The looper 3 of above-mentioned embodiment carries out linear reciprocating motion, but also the swinging axle that carries out linkedly reciprocating rotation with lower shaft 6 can be configured in to the bottom in cylinder bed along the fabric direction of feed, by this swinging axle, makes looper 3 reciprocating rotation in vertical plane.
In addition, also can not carry out reciprocating rotation for hook 4, and carry out linear reciprocating motion by reciprocating mechanism arbitrarily, in the situation that carry out the actuating mechanism that reciprocating rotation also is not illustrated, limit, can use other arbitrarily actuating mechanism carry out reciprocating rotation.In a word, as long as can make hook 4 reciprocating rotations, no matter can use the actuating mechanism of any structure.
Then, the simulation dual ring stitching structure formed by above-mentioned Sewing machines is described.Stitching structure shown in Fig. 5～Figure 14, mean by using three eedle 19a, 19b, 19c, the stitching structure that does not use decorative thread to form, the parallel needlework stitch 23a by three row, 23b, 23c and on fabric the inside with the needlework stitch 23a of each row, 23b, the lower decorative thread 20 of 23c combination forms, above-mentioned three are listed as parallel needlework stitch by needlework stitch 23a, needlework stitch 23b and needlework stitch 23c form, needlework stitch 23a is the first row that the eedle 19a by right-hand member forms, it is the needlework stitch of end row of right-hand member, needlework stitch 23b is the secondary series formed by middle eedle 19b, it is the needlework stitch of middle column, needlework stitch 23c is the 3rd row that the eedle 19c by left end forms, it is the needlework stitch of the other end row of left end.In detail, among the needlework stitch 23a of each row, 23b, 23c, the needlework coil 24a simultaneously formed on n in the lower end by eedle 19a, 19b, 19c
n, 24b
n, 24c
nin, become to enclose the land through each needlework coil 24a
n, 24b
n, 24c
nthe coil 20 of lower decorative thread 20
n, from above-mentioned the 3rd row needlework coil 24c
nout, only hang over the same tertial needlework coil then formed, the needlework coil 24c formed on n+1
n+1upper, do not hang on the needlework coil formed on n+1 of first row and secondary series.And the needlework coil 24a be listed as from the end as first row
nlower decorative thread 20 out, separated forwards, backwards, becomes to enclose the land through each needlework coil 24a of front and back
n-1and 24a
n+1.
Then, to the formation method of above-mentioned stitching structure, according to the order of Fig. 5～Figure 14, describe.In figure, arrow F means the fabric direction of feed.
As shown in Figure 5 this moment, if from the right eedle 19a that keeps needlework 21a, keep needlework 21b eedle 19b, keep the left eedle 19c of needlework 21c to descend and be positioned at lower dead center, keep under the looper 3 of decorative thread 20 be positioned at the state of right stop, each eedle 19a, 19b, 19c rise, looper 3 marches forward (toward moving) to the left of figure, and the coil 22a of the needlework 21a that at first the looper front end will be formed by right eedle 19a hooks (Fig. 6).If each eedle 19a, 19b, 19c further rise, and looper 3 advances, looper 3 with together with lower decorative thread 20 through the coil 22a of needlework 21a and looper front end will by the coil 22b of the needlework 21b that forms of eedle 19b hook (Fig. 7).
If each eedle 19a, 19b, 19c further rise, and looper 3 advances, together with lower decorative thread 20, through the coil 22a of needlework 21a and the coil 22b of needlework 21b, the coil 22c of the needlework 21c that the looper front end will be formed by left eedle 19c hooks (Fig. 8) to looper 3.
If each eedle 19a, 19b, 19c further continue to rise, the looper leading section through the coil 22c of needlework 21c, carries out the hook 4 of reciprocating rotation to fabric direction of feed front side toward moving (advancing) (Fig. 9) together with lower decorative thread 20 in horizontal plane.If each eedle 19a, 19b, 19c reach top dead centre, looper 3 reaches left stop, the hook groove 4a of hook front end between the eyelet 3a of looper front end and coil 22c, catch through coil 22a, the 22b of needlework, 22c lower decorative thread 20 and enter (Figure 10) to side pressure in front of the fabric direction of feed.
If each eedle 19a, 19b, 19c descend from top dead centre, looper 3 retreats from left stop, hook 4 catches lower decorative thread 20 to continue in hook groove 4a toward moving with remaining unchanged, from the coil 22c of needlework 21c out the front side of decorative thread 20 from looper 3 to fabric direction of feed F expand and formed front end coil 20L
n+1, the left eedle 19c of decline enters this coil 20L
nin+1.Then middle eedle 19b and right eedle 19a drop to coil 22a from the eyelet 3a of looper 3 and this looper 3 to the needlework stitch that will form the front side (Figure 11) of decorative thread 20.Figure 12 means that each eedle 19a, 19b, 19c further descend, and looper 3 continues to retreat, state when hook 4 continues past moving to fabric direction of feed front simultaneously.
If each eedle 19a, 19b, 19c continue to descend, and hook 4 carries out double action and retreats, and the leading section that continues the looper 3 that retreats breaks away from (Figure 13) from the coil 22c of needlework 21c.
Figure 14 means that each eedle 19a, 19b, 19c further descend, and hook 4 retreats and from coil 20L
n+1break away from the state that looper 3 retreats and breaks away from from the coil 22b of needlework 21b simultaneously, the coil 20L of lower decorative thread 20 under this state
n+1hang over left eedle 19c upper, the looper leading section hangs on the coil 22a of needlework 21a.After this, repeatedly carry out the later needle tracking forming process of Fig. 5.
The stitching structure of present embodiment make with dual ring in the past under decorate the similar structure of stitching structure, but with decorate stitching structure under dual ring in the past and compare, 20 one-tenth of lower decorative threads are enclosed the land through each needlework 21a, 21b, 21c, the one side is not hung on the coil of following the needlework that form of each row circuitously, become doubly through coil 22a, 22b, the state of 22c, by in the coil 22b of the needlework stitch that forms of eedle 19b can't help lower decorative thread 20 and link with the coil of the needlework stitch that will form, coil 22c makes by a lower decorative thread 20 and the coil 24c that will form in addition
n+1the stitching structure linked, because a little less than the adhesion between the coil of the front and back that produced by lower decorative thread 20, so needle tracking becomes easily flexible at the fore-and-aft direction of fabric direction of feed.
Above-mentioned present embodiment has meaned to use makes the stitching structure that the Sewing machines with the flat lock stitch Sewing machines identical appearance of three eedles forms, but by other many needle sewing machines, two needle sewing machines for example, four needle sewing machines also can form needlework by the two or four same simulation dual ring needle trackings that form, outward appearance is used many pin double-thread overlock sewing machines also can form the simulation dual ring needle tracking of same structure in addition, and then use upper decorative thread also can form lower decorative thread and needlework and carry out the simulation flat lock stitch needle tracking of combination in the mode shown in above-mentioned embodiment.
In flat lock stitch Sewing machines, double-thread overlock sewing machine, spreader 1, looper 3 and the direction reciprocating motion from left to right on the contrary of above-mentioned Sewing machines are also arranged, structure is made the Sewing machines that is called left Sewing machines with above-mentioned Sewing machines left-right symmetry type.The present invention also goes for so left Sewing machines, and the needle tracking that left Sewing machines forms thus is the now coil of the front end of decorative thread 28 and hangs on the coil 22a of needlework 21a, coil 22c, the 24c of the front and back of needlework 21c
n+1the form linked by a lower decorative thread 20.
Symbol description:
1: spreader
2: cylinder bed
3: looper
4: hook
6: lower shaft
19a, 19b, 19c: eedle
20: lower decorative thread
21a, 21b, 21c: needlework
Claims (2)
1. simulate the dual ring stitching structure for one kind, it is characterized in that, by running through the parallel needlework stitch of multiple row that fabric ground forms and the lower decorative thread of being combined with the needlework stitch of each row in the fabric the inside, form, this time decorative thread made the needlework coil formed when the needlework coil of the needlework stitch of end row becomes to enclose the land through each row, except the coil of front end hangs over the next needlework coil in the needlework stitch of other end row, do not hang on the next needlework coil in the needlework stitch of other row, and from the needlework coil of above-mentioned end row out decorative thread separate forwards, backwards, one-tenth is enclosed the land through the form of the needlework coil of front and back.
2. many needle sewing machines, it is the Sewing machines that forms the simulation dual ring stitching structure of claim 1 record, it is characterized in that, by many eedles, looper, hook forms, above-mentioned many eedles keep needlework arranged side by side in the direction with fabric direction of feed quadrature, with main shaft, moved up and down linkedly, above-mentioned looper keeps lower decorative thread, only carry out the reciprocating motion of the direction of arranging to eedle with moving up and down synchronously of eedle, hook the needlework coil formed by the eedle risen from lower dead center when carrying out past moving, when carrying out double action, from the needlework coil, break away from, the reciprocating motion linkedly of above-mentioned hook and main shaft, when carrying out past moving, the lower decorative thread of the looper leading section outstanding with the needlework coil that bored each pin engages, expand and form next stitching to side in front of the fabric direction of feed, so coil that among many eedles that form to descend, only the eedle of end enters.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011256393A JP5941271B2 (en) | 2011-11-24 | 2011-11-24 | Pseudo double ring seam structure and multi-needle sewing machine forming the seam |
| JP2011-256393 | 2011-11-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103132252A true CN103132252A (en) | 2013-06-05 |
| CN103132252B CN103132252B (en) | 2016-12-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210456833.XA Active CN103132252B (en) | 2011-11-24 | 2012-11-15 | Simulation dual ring stitching structure and many needle sewing machines of this needle tracking of formation |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5941271B2 (en) |
| CN (1) | CN103132252B (en) |
| TW (1) | TWI551747B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4186676A (en) * | 1977-04-28 | 1980-02-05 | Rockwell-Rimoldi, S.P.A. | Apparatus for forming a chain of stitches on double needle sewing machines |
| EP0654555A1 (en) * | 1993-11-22 | 1995-05-24 | Pegasus Sewing Machine Mfg. Co., Ltd. | Apparatus and method for making a stitch and a thread chain |
| CN1263960A (en) * | 1999-01-29 | 2000-08-23 | 飞马缝纫机制造株式会社 | Multi-needle double-thread chain stitch machine |
| CN201512669U (en) * | 2009-09-14 | 2010-06-23 | 名匠缝纫机股份有限公司 | Thread guide structure arranged outside sewing machine for forming ornamental threads with alternately changed thread density on front surface of stitched fabric |
| US20100326341A1 (en) * | 2009-06-25 | 2010-12-30 | Askar Dzhamilevich Mingazhev | Transformable structure for producing a multi thread single line stitch and method and machine for its realization |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0510795Y2 (en) * | 1987-04-28 | 1993-03-16 | ||
| JP3396235B2 (en) * | 1992-04-28 | 2003-04-14 | ペガサスミシン製造株式会社 | Method and apparatus for pulling out an empty ring with a two-needle, three-thread sewing machine |
| JP3845335B2 (en) * | 2002-05-14 | 2006-11-15 | ペガサスミシン製造株式会社 | 2-needle sewing machine for corner stitching |
-
2011
- 2011-11-24 JP JP2011256393A patent/JP5941271B2/en active Active
-
2012
- 2012-11-15 CN CN201210456833.XA patent/CN103132252B/en active Active
- 2012-11-19 TW TW101143012A patent/TWI551747B/en active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4186676A (en) * | 1977-04-28 | 1980-02-05 | Rockwell-Rimoldi, S.P.A. | Apparatus for forming a chain of stitches on double needle sewing machines |
| EP0654555A1 (en) * | 1993-11-22 | 1995-05-24 | Pegasus Sewing Machine Mfg. Co., Ltd. | Apparatus and method for making a stitch and a thread chain |
| CN1263960A (en) * | 1999-01-29 | 2000-08-23 | 飞马缝纫机制造株式会社 | Multi-needle double-thread chain stitch machine |
| US20100326341A1 (en) * | 2009-06-25 | 2010-12-30 | Askar Dzhamilevich Mingazhev | Transformable structure for producing a multi thread single line stitch and method and machine for its realization |
| CN201512669U (en) * | 2009-09-14 | 2010-06-23 | 名匠缝纫机股份有限公司 | Thread guide structure arranged outside sewing machine for forming ornamental threads with alternately changed thread density on front surface of stitched fabric |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5941271B2 (en) | 2016-06-29 |
| TWI551747B (en) | 2016-10-01 |
| TW201329306A (en) | 2013-07-16 |
| JP2013106904A (en) | 2013-06-06 |
| CN103132252B (en) | 2016-12-21 |
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Address after: Osaka City, Osaka of Japan Patentee after: Pegasus Corp. Address before: Osaka, Japan Patentee before: Pegasus Sewing Machine Mfg. Co.,Ltd. |