CN103590201A - Method for avoiding residual thread ends in sewing of overcast stitching machine - Google Patents
Method for avoiding residual thread ends in sewing of overcast stitching machine Download PDFInfo
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- CN103590201A CN103590201A CN201210286704.0A CN201210286704A CN103590201A CN 103590201 A CN103590201 A CN 103590201A CN 201210286704 A CN201210286704 A CN 201210286704A CN 103590201 A CN103590201 A CN 103590201A
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- needle
- pin
- lower shuttle
- bus
- sewing machine
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Abstract
The invention relates to a method for avoiding residual thread ends in sewing of an overcast stitching machine. In the motion displacement of at least one stitching time before stopping, a coil push device actuates and pushes a coil formed by a needle and a thread of an upper needle to leave the original forming position of the coil in the motion process of the upper needle which is about to rise after moving downwards, a first lower shuttle needle drives the needle and the thread to move towards a second lower shuttle needle, the first lower shuttle needle cannot penetrate the coil formed by the upper needle to form a skipping state, needles and threads of the upper needle and the first lower shuttle needle cannot net in the motion displacement of at least one stitching time, and needles and threads of the upper needle, the first lower shuttle needle and the second lower shuttle needle cannot be linked on a needle plate in stopping. Therefore, a residual thread segment at the front end of a next work fabric is avoided, attractiveness of the fabric finished by sewing cannot be destroyed, an overcast product is more exquisite in overall implementation, and the value of the overcast product is enhanced.
Description
Technical field
Present invention is directed to a kind of overseam sewing machine and play the method that seam does not stay residual the end of a thread, refer in particular to a kind of residual line segment that is connected in cloth front end after previously having knotted on needle plate that can not have when overseam sewing, do not have the situation of destroying the cloth aesthetic property that sewing completes and occur, and use the overseam sewing machine that more increases practical effect characteristic to play the method innovation designer that seam does not stay residual the end of a thread its whole execution.
Background technology
Press, general common overseam sewing machine, refer to shown in the existing perspective view of Fig. 6, this overseam sewing machine (3) is mainly that corresponding needle plate (31) upper end is provided with the pin of getting on the bus (32), and corresponding needle plate (31) lower end is provided with the first lower shuttle needle (33) and the second lower shuttle needle (34), make this overseam sewing machine (3) in sewing process, it is that order is got on the bus pin (32) when passing cloth (4) and starting to rise, the needlework (321) of this pin of getting on the bus (32) can form a coil (322) and ［ please consult in the lump shown in the existing sewing action schematic diagram of Fig. 7 () again ］, make this first lower shuttle needle (33) drive its needlework (331) through the formed coils of needlework (321) (322) ［ please consulting in the lump the more existing sewing action of the existing sewing of Fig. 8 action schematic diagram (two) and Fig. 9 gets on the bus shown in pin needlework and lower shuttle needle relative position schematic diagram ］ of pin (32) of getting on the bus, now this pin of getting on the bus (32) continues toward rising, this first lower shuttle needle (33) is in driving needlework (331) to move toward the second lower shuttle needle (34) position through continuing after coil (322), after close the second lower shuttle needle (34) of the first lower shuttle needle (33) ［ please consulting in the lump again shown in the existing sewing action schematic diagram of Figure 10 (three) ］, the needlework (341) of this second lower shuttle needle (34) can be colluded with in cloth limit with the needlework (331) of the first lower shuttle needle (33), now this pin of getting on the bus (32) can be moved down by peak again, the first lower shuttle needle (33) returns to after the meeting location with the second lower shuttle needle (34) and ［ please consults in the lump shown in the existing sewing action schematic diagram of Figure 11 (four) again ］, and complete the inferior link network of colluding with of a pin, move, in cloth (4) being repeated to above-mentioned sewing, moved after required overseam operation, after parking trimming, the pin (32) of respectively getting on the bus, the needlework (321) of the first lower shuttle needle (33) and the second lower shuttle needle (34), (331), (341), can form the section of knotting (B) ［ please consult in the lump the more existing parking trimming of Figure 12 after view shown in ］ of link continuity forward on needle plate (31).
And when user wants to carry out overseam operation next time, system is placed in needle plate (31) the place ahead by the section of knotting (B), and next cloth (4) is covered in the section of knotting (B), carried out again sewing operation, so can form suture head and reside in cloth (4) below, increase the robustness after cloth (4) sewing, non-off-line overseam operation, yet, due to overseam sewing machine (3) pin (32) of respectively getting on the bus, the needlework (321) of the first lower shuttle needle (33) and the second lower shuttle needle (34), (331), (341) in start process, all can automatically knot and form the section of knotting (B), except causing the waste of sewing needlework in the section of knotting (B) closely, the knot section (B) of link on needle plate (31) can be when sewing be initial, be connected in next work cloth (4) front end and retained residual line segment (C) and ［ please consulted in the lump again shown in the suture schematic diagram of the existing sewing state cloth of Figure 13 back side ］, cause destroying aesthetic property and the exquisite degree of the cloth (4) that its whole sewing completes, cause and make it in overall construction design, still have improved space.
Edge is, inventor adheres to the abundant of these relevant industries for many years and designs and develops and actual fabrication experience, for above disappearance, keep on improving to be studied again improvement, provide a kind of overseam sewing machine to play the method that seam does not stay residual the end of a thread, to reaching the object person of the more perfect exquisiteness of overseam product and increase value.
Summary of the invention
Main purpose of the present invention is to provide a kind of overseam sewing machine to play the method that seam does not stay residual the end of a thread, it mainly makes cloth overseam front end can not have unnecessary residual line segment, does not have the overseam method that the situation of cloth aesthetic property that sewing completes and exquisite degree occurs of destroying.
Overseam sewing machine of the present invention plays main purpose and the effect that seam does not stay the method for residual the end of a thread, is to be reached by following concrete technological means:
It mainly ties up at least one pin time movement travel before overseam sewing machine stops, make the first lower shuttle needle and the pin needlework of the getting on the bus action of can not knotting in time movement travel of this at least one pin, form bouncing pilotage state, while making overseam sewing machine stop, get on the bus pin, the first lower shuttle needle and the second lower shuttle needle needlework can not chain on needle plate, when next cloth is wanted overseam, the needlework of this pin of getting on the bus, the first lower shuttle needle and the second lower shuttle needle, are the initial state person who is formed on needle plate overhead.
Overseam sewing machine of the present invention plays the preferred embodiment that seam does not stay the method for residual the end of a thread as mentioned above, wherein, at overseam sewing machine, rises in time movement travel of at least one pin after seam, also makes the first lower shuttle needle and the pin needlework of the getting on the bus action of can not knotting, formation bouncing pilotage state.
Overseam sewing machine of the present invention plays main purpose and the effect that seam does not stay the method for residual the end of a thread, is to be reached by following concrete technological means:
It mainly lies in overseam sewing machine and is provided with corresponding to needle plate upper end the pin of getting on the bus, and corresponding needle plate lower end is provided with the first lower shuttle needle and the second lower shuttle needle, separately in needle plate lower end, be provided with coil push unit, in time movement travel of at least one pin before overseam sewing machine stops, in the pin of getting on the bus, move down rear wish in the course of action rising, make this coil push unit start that the formed coil of the needlework of the pin of getting on the bus is passed and opened its former formation position, while making the first lower shuttle needle drive needlework to move toward the second lower shuttle needle, this first lower shuttle needle can not passed by this needle thread loop of getting on the bus, form bouncing pilotage state, the action of can not knotting in time movement travel of at least one pin of the needlework that cause get on the bus pin and the first lower shuttle needle before this parking.
Overseam sewing machine of the present invention plays the preferred embodiment that seam does not stay the method for residual the end of a thread as mentioned above, wherein, at overseam sewing machine, rise at least one pin time movement travel after seam, also make this coil push unit start that the formed coil of the needlework of the pin of getting on the bus is passed and opened its former formation position, the needlework that cause get on the bus pin and the first lower shuttle needle in the action of can not knotting in this at least one pin time movement travel of seam.
Overseam sewing machine of the present invention plays the preferred embodiment that seam does not stay the method for residual the end of a thread as mentioned above, and wherein, this coil push unit is blowing device.
Overseam sewing machine of the present invention plays the preferred embodiment that seam does not stay the method for residual the end of a thread as mentioned above, and wherein, this coil push unit is incremental launching device.
Accompanying drawing explanation
Fig. 1: perspective view of the present invention.
Fig. 2: sewing action schematic diagram () of the present invention.
Fig. 3: sewing of the present invention action get on the bus pin needlework and lower shuttle needle relative position schematic diagram.
Fig. 4: sewing action schematic diagram (two) of the present invention.
Fig. 5: sewing state cloth of the present invention back side suture schematic diagram.
Fig. 6: existing perspective view.
Fig. 7: existing sewing action schematic diagram ().
Fig. 8: existing sewing action schematic diagram (two).
Fig. 9: the action of existing sewing get on the bus pin needlework and lower shuttle needle relative position schematic diagram.
Figure 10: existing sewing action schematic diagram (three).
Figure 11: existing sewing action schematic diagram (four).
Figure 12: view after existing parking trimming.
Figure 13: existing sewing state cloth back side suture schematic diagram.
[main element symbol description]
The specific embodiment
For the technology contents, the goal of the invention that make the present invention use and the effect reached thereof have more complete and clearly disclose, hereby in lower detailed description, and see also taken off graphic and figure number:
First, refer to shown in Fig. 1 perspective view of the present invention, the present invention mainly lies in overseam sewing machine (1) and is provided with the pin of getting on the bus (12) corresponding to needle plate (11) upper end, and corresponding needle plate (11) lower end is provided with the first lower shuttle needle (13) and the second lower shuttle needle (14), separately in needle plate (11) lower end, be provided with coil push unit (15), this coil push unit (15) can be blowing device or the incremental launching device that driven by electric control gear.
The present invention is approximately identical to aforementioned existing overseam sewing action on operation is used, its main difference place system makes coil push unit (15), the needlework (121) of car pin (12) and the first lower shuttle needle (13) on overseam sewing machine (1), (131) the formed link network place that colludes with controls, before overseam sewing machine (1) stops in the inferior movement travel of at least one pin, at the pin of getting on the bus (12), move down rear wish in the course of action rising, make this coil push unit (15) start that the formed coils of the needlework of the pin of getting on the bus (12) (121) (122) are passed and to be opened its former formation position ［ please consult in the lump again Fig. 2 sewing action schematic diagram () of the present invention and Fig. 3 sewing action of the present invention is got on the bus shown in pin needlework and lower shuttle needle relative position schematic diagram ］, while making the first lower shuttle needle (13) drive needlework (131) mobile toward the second lower shuttle needle (14), the coil (122) forming due to the needlework (121) of the pin of getting on the bus (12) is subject to coil push unit (15) start to pass out its former formation position, this first lower shuttle needle (13) can not passed by the coil (122) of this pin of getting on the bus (12) ［ please consulting in the lump shown in Fig. 4 sewing action schematic diagram of the present invention (two) ］ again, make it form bouncing pilotage state, the needlework (121) of the pin even get on the bus (12) and the first lower shuttle needle (13), (131) the neither meeting action of knotting in time movement travel of at least one pin of this before parking, when overseam sewing machine (1) is stopped, the pin (12) of getting on the bus, the first lower shuttle needle (13) and the second lower shuttle needle (14) needlework (121), (131), (141) can not chain in needle plate (11) upper ［ shown in Fig. 1 perspective view of the present invention ］.
Continue, user on carrying out once overseam operation the section of knotting (A) is placed in to needle plate (11) the place ahead, and next work cloth (2) is covered in the section of knotting (A), while being carried out sewing operation again, due to needlework (121), (131), (141) be to be formed on the upper dummy status of needle plate (11), at the former pins that play seam, all not yet collude with link network, therefore when cloth (2) formation overseam is colluded with link network, in cloth (2) front end, can not have the ball of string that the residual line segment (C) on needle plate (31) produces with respect to known overseam sewing link and ［ please consult in the lump again Fig. 5 sewing state cloth of the present invention back side suture schematic diagram ］, whereby, can make cloth (2) that sewing completes reach and have more aesthetic property and increase product exquisiteness degree person.
In addition, in at least one pin time movement travel when embodiments of the present invention can be stitched in overseam sewing machine (1) again, at the pin of getting on the bus (12), move down rear wish in the course of action rising equally, make this coil push unit (15) start that the formed coils of the needlework of the pin of getting on the bus (12) (121) (122) are passed and opened its former formation position, make its same bouncing pilotage state that forms, the needlework (121) of the pin even get on the bus (12) and the first lower shuttle needle (13), (131) action of can not knotting at least one pin time movement travel that plays seam, allow needlework (121), (131), (141) collude with the pin number prolongation that link network is shaped, to coordinate cloth (2) to enter the time of the pin of getting on the bus (12) acupuncture points, whereby, can make cloth (2) that sewing completes reach and have more aesthetic property and increase product exquisiteness degree person.
By the above, the composition of structure of the present invention is known with use implementation, the present invention and existing structure compare under, the present invention mainly lies at least one pin time movement travel before overseam sewing machine stops, make the first lower shuttle needle and the pin needlework of getting on the bus form bouncing pilotage state, the order needlework of pin and the first lower shuttle needle action of can not knotting of getting on the bus, while making to carry out the sewing action of overseam operation on next cloth, in cloth front end, can not have residual line segment, not having the situation of destroying the cloth aesthetic property that sewing completes occurs, reach the object person of the more perfect exquisiteness of overseam product and increase value.
Yet aforesaid embodiment or graphic and non-limiting product structure of the present invention or occupation mode, have suitable variation or the modification of conventionally knowing the knowledgeable in any affiliated technical field, all should be considered as not departing from patent category of the present invention.
In sum, the embodiment of the present invention really can reach desired use effect, its disclosed concrete structure again, not only be not seen in like product, be not also disclosed in before application, really met regulation and the requirement of Patent Law completely, whence proposes the application of patent of invention in accordance with the law, earnestly ask and give examination, and grant quasi patent, true feeling moral just.
Claims (6)
1. an overseam sewing machine plays the method that seam does not stay residual the end of a thread, it mainly ties up at least one pin time movement travel before overseam sewing machine stops, make the first lower shuttle needle and the pin needlework of the getting on the bus action of can not knotting in time movement travel of this at least one pin, form bouncing pilotage state, while making overseam sewing machine stop, get on the bus pin, the first lower shuttle needle and the second lower shuttle needle needlework can not chain on needle plate, when next cloth is wanted overseam, the needlework of this pin of getting on the bus, the first lower shuttle needle and the second lower shuttle needle are the initial state that is formed on needle plate overhead.
2. overseam sewing machine as claimed in claim 1 plays the method that seam does not stay residual the end of a thread, it is characterized in that, then in overseam sewing machine in time movement travel of at least one pin after seam, also makes the first lower shuttle needle and the pin needlework of the getting on the bus action of can not knotting, formation bouncing pilotage state.
3. an overseam sewing machine plays the method that seam does not stay residual the end of a thread, it mainly lies in overseam sewing machine and is provided with corresponding to needle plate upper end the pin of getting on the bus, and corresponding needle plate lower end is provided with the first lower shuttle needle and the second lower shuttle needle, separately in needle plate lower end, be provided with coil push unit, in time movement travel of at least one pin before overseam sewing machine stops, in the pin of getting on the bus, move down rear wish in the course of action rising, make this coil push unit start that the formed coil of the needlework of the pin of getting on the bus is passed and opened its former formation position, while making the first lower shuttle needle drive needlework to move toward the second lower shuttle needle, this first lower shuttle needle can not passed by this needle thread loop of getting on the bus, form bouncing pilotage state, the action of can not knotting in time movement travel of at least one pin of the needlework that cause get on the bus pin and the first lower shuttle needle before this parking.
4. overseam sewing machine plays the method that seam does not stay residual the end of a thread as claimed in claim 3, it is characterized in that, again in overseam sewing machine in time movement travel of at least one pin after seam, also make this coil push unit start that the formed coil of the needlework of the pin of getting on the bus is passed and opened its former formation position, the needlework that cause get on the bus pin and the first lower shuttle needle in the action of can not knotting in this at least one pin time movement travel of seam.
5. overseam sewing machine plays the method that seam does not stay residual the end of a thread as claimed in claim 3, it is characterized in that, this coil push unit is blowing device.
6. overseam sewing machine plays the method that seam does not stay residual the end of a thread as claimed in claim 3, it is characterized in that, this coil push unit is incremental launching device.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210286704.0A CN103590201A (en) | 2012-08-13 | 2012-08-13 | Method for avoiding residual thread ends in sewing of overcast stitching machine |
| BR102013016304-0A BR102013016304A2 (en) | 2012-08-13 | 2013-06-25 | Overlock sewing method without thread leftovers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210286704.0A CN103590201A (en) | 2012-08-13 | 2012-08-13 | Method for avoiding residual thread ends in sewing of overcast stitching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103590201A true CN103590201A (en) | 2014-02-19 |
Family
ID=50080506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210286704.0A Pending CN103590201A (en) | 2012-08-13 | 2012-08-13 | Method for avoiding residual thread ends in sewing of overcast stitching machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN103590201A (en) |
| BR (1) | BR102013016304A2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087292A (en) * | 2015-04-27 | 2016-11-09 | Juki株式会社 | Sewing machine |
| CN106192221A (en) * | 2016-08-17 | 2016-12-07 | 东莞永腾自动化设备有限公司 | A kind of computer quilter remove the end of a thread bind |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4395961A (en) * | 1981-09-03 | 1983-08-02 | The Singer Company | Underbed thread trimmer for horizontal axis hooks |
| CN1112620A (en) * | 1993-10-27 | 1995-11-29 | 联合特别公司 | Thread handling system |
| CN2549030Y (en) * | 2001-12-29 | 2003-05-07 | 顾飞龙 | Auxiliary device for three seam sewing machine |
| CN1458313A (en) * | 2002-05-14 | 2003-11-26 | 飞马缝纫机制造株式会社 | 2 needle sewing machine for angular seam |
| CN101046038A (en) * | 2006-03-31 | 2007-10-03 | 顾飞龙 | Method for sewing machine to prevent miss-sewing |
| CN101278766A (en) * | 2008-05-27 | 2008-10-08 | 天津市应氏服饰有限公司 | Technique for process thrum of garment |
| CN101565882A (en) * | 2008-04-21 | 2009-10-28 | 启翔针车（上海）有限公司 | Skipping stitch device of sewing machine |
| CN102041645A (en) * | 2009-10-21 | 2011-05-04 | 启翔针车（上海）有限公司 | Stitching-starting thread-drawing device for automatic thread-cutting sewing machine |
-
2012
- 2012-08-13 CN CN201210286704.0A patent/CN103590201A/en active Pending
-
2013
- 2013-06-25 BR BR102013016304-0A patent/BR102013016304A2/en not_active Application Discontinuation
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4395961A (en) * | 1981-09-03 | 1983-08-02 | The Singer Company | Underbed thread trimmer for horizontal axis hooks |
| CN1112620A (en) * | 1993-10-27 | 1995-11-29 | 联合特别公司 | Thread handling system |
| CN2549030Y (en) * | 2001-12-29 | 2003-05-07 | 顾飞龙 | Auxiliary device for three seam sewing machine |
| CN1458313A (en) * | 2002-05-14 | 2003-11-26 | 飞马缝纫机制造株式会社 | 2 needle sewing machine for angular seam |
| CN101046038A (en) * | 2006-03-31 | 2007-10-03 | 顾飞龙 | Method for sewing machine to prevent miss-sewing |
| CN101565882A (en) * | 2008-04-21 | 2009-10-28 | 启翔针车（上海）有限公司 | Skipping stitch device of sewing machine |
| CN101278766A (en) * | 2008-05-27 | 2008-10-08 | 天津市应氏服饰有限公司 | Technique for process thrum of garment |
| CN102041645A (en) * | 2009-10-21 | 2011-05-04 | 启翔针车（上海）有限公司 | Stitching-starting thread-drawing device for automatic thread-cutting sewing machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106087292A (en) * | 2015-04-27 | 2016-11-09 | Juki株式会社 | Sewing machine |
| CN106087292B (en) * | 2015-04-27 | 2021-09-14 | Juki株式会社 | Sewing machine |
| CN106192221A (en) * | 2016-08-17 | 2016-12-07 | 东莞永腾自动化设备有限公司 | A kind of computer quilter remove the end of a thread bind |
Also Published As
| Publication number | Publication date |
|---|---|
| BR102013016304A2 (en) | 2018-12-18 |
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Application publication date: 20140219 |