CN201530914U - Seaming thread-drawing device of automatical thread-cutting sewing machine - Google Patents
Seaming thread-drawing device of automatical thread-cutting sewing machine Download PDFInfo
- Publication number
- CN201530914U CN201530914U CN2009202695137U CN200920269513U CN201530914U CN 201530914 U CN201530914 U CN 201530914U CN 2009202695137 U CN2009202695137 U CN 2009202695137U CN 200920269513 U CN200920269513 U CN 200920269513U CN 201530914 U CN201530914 U CN 201530914U
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- thread
- electromagnet
- base plate
- loose ends
- line
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Abstract
The utility model relates to a thread feed tensioner of a sewing machine, specifically to an automatic control tensioner of a sewing machine, is a seaming thread-drawing device of automatical thread-cutting sewing machine. The seaming thread-drawing device of automatical thread-cutting sewing machine of the utility model adds a thread-drawing electromagnet and a link mechanism on the original thread tension adjustment and thread-slack device, and controls the alternate actions of the thread-drawing electromagnet and the thread-slack electromagnet through a controller of the sewing machine motor, a swing thread hanging is driven at the start of each stitching, to draw back the needlework of the needle start point, and when each stitching is finished, the actions of the thread-slack electromagnet after automatic thread-cutting is used to reset the swing thread hanging. Therefoe, the length of thread end of thread starting to seam can be shortened, to eliminate the manual repair work of extra thread length.
Description
Technical field
The utility model relates to a kind of tensioner of reaching the standard grade of Sewing machines, especially a kind of automatic control tensioner of Sewing machines.
Background technology
The automatic tangent Sewing machines of prior art finishes at sewing, when the action of automatic tangent is finished, can keep one section needlework on the car pin, and the end of a thread is apart from the about 40mm of the length of pin hole, and the end of a thread slips out pin hole when stitching to avoid rise next time, causes again the trouble of threading.But this section needlework play when seam in next time and can be introduced by the car pin below the cloth by rotating shuttle toward drop-down again, and form an excessive thread ends below first pin of cloth, and are easy to cause outward appearance not good, or need manually repair except that excessive thread ends length again.
So, there is the Sewing machines manufacturing already to develop the mode that has reduced suture head length degree, as disclosed Chinese utility model patent publication number is CN 101372797A " Sewing machines and the method that starts with this stitching sewing machine linear slit ", it is the electromagnet of additional 3 groups of control sequential on the automatic tangent Sewing machines of prior art, but because its mechanism is comparatively complicated, cost is too high, so still do not meet the required of use on reality is used.
The utility model content
Main purpose of the present utility model provides an a kind of seam anchoring of automatic tangent Sewing machines, it is by a pedestal, one backguy electromagnet, one messenger wire spring adjustment group, one coupled arm group, one loose ends electromagnet, the composition of at least one main stringing adjustment group and at least one pre-stringing adjustment group, utilize the action of loose ends electromagnet that swing line extension is resetted, can reduce the signal of a control sequential, needlework tension force when not influencing thread cutting action, and the actuating mechanism that only need add a backguy electromagnet can be reached and shorten suture needle line length and cost-effective purpose on the automatic tangent Sewing machines of prior art.Have easy to use, reduce excessive thread ends and save effects such as cost, increase whole practicality and convenience.
An a kind of seam anchoring of automatic tangent Sewing machines, the seam anchoring that rises of described Sewing machines comprises:
One pedestal, including a base plate, a loose ends start plate and an adjustment line on the described pedestal hangs, described loose ends start plate is that activity is incorporated into described base plate rear side, and described loose ends start plate one end forms adjutage, and described adjustment line is hung and is incorporated into described base plate front side;
One backguy electromagnet, described backguy electromagnet correspondence is incorporated into described base plate one side;
One messenger wire spring adjustment group, described messenger wire spring adjustment group correspondence is incorporated into described base plate opposite side, and activity is combined with a swing line extension on the described messenger wire spring adjustment group;
One coupled arm group, described coupled arm group one end is linked to described backguy electromagnet, and the swing line that the other end of described coupled arm group is linked on the described messenger wire spring adjustment group is hung, and the adjutage of described coupled arm group and described loose ends start plate can interact;
One loose ends electromagnet, described loose ends electromagnet correspondence is incorporated into described base plate rear side, and described loose ends electromagnet is to be provided with a movable axis, described movable axis is resisted against described loose ends start plate;
At least one main stringing adjustment group, described at least one main stringing adjustment group is arranged on the described base plate, is resisted against described loose ends start plate and its axle center is provided with an ejector pin, discharges main stringing adjustment group during for the start of loose ends electromagnet; And at least one pre-stringing adjustment group, described at least one pre-stringing adjustment group is arranged on the described base plate.
Described messenger wire spring adjustment group includes a fixed axis, one spacer ring, one pad, one messenger wire spring, at least one line-crossing disk, one body, one body, one knob and a reference column, described fixed axis passes described base plate in regular turn, spacer ring, the swing line is hung, pad, the messenger wire spring, at least one line-crossing disk, body, body and knob and mutual movable combination, described reference column is fixedly arranged on the described base plate, and described reference column passes described pad in regular turn, at least one line-crossing disk and body and mutual movable combination, the location that turns to for described line-crossing disk and body, the sidewall of described body is provided with a screw in addition, and the sidewall of described body is provided with an adjustment frame, described adjustment frame is provided with a spiral shell spare, described spiral shell spare passes described adjustment frame, and be locked in the screw of described body, for adjusting messenger wire spring angle.
Described fixed axis one end forms protuberance, is resisted against described base plate for wearing, and the described fixed axis other end forms the threaded portion, for further screwing togather with a nut.
Described coupled arm group includes a swing arm and a connecting rod, described swing arm one end is incorporated into described backguy electromagnet, and the activity of the described swing arm other end is incorporated into an end of described connecting rod, and the swing line that the other end of described connecting rod is incorporated on the described messenger wire spring adjustment group is hung.
Be formed with a Ka Gou and a chute on the described connecting rod, described Ka Gou is formed at the profile of described connecting rod, described chute is located on the link sidewalls of the adjacent side of described card ditch, and the inboard, lower end of the adjutage of described loose ends start plate is provided with a bayonet lock, for the Ka Gou that snaps on the described connecting rod.
Also can include at least two wire columns on the described pedestal, described two wire columns are fixedly arranged on described base plate front side respectively and locate up and down.
Above-mentioned and other purpose and advantage of the present utility model can obtain to understand in depth from the detailed description and accompanying drawing of following selected embodiment.
Certainly, the utility model or is allowed differently on some part in the arrangement of part, but selected embodiment then in this specification, described in detail, and shows its structure in accompanying drawing.
Description of drawings
Fig. 1 is the stereo appearance figure of the utility model embodiment;
Fig. 2 is the three-dimensional assembly exploded view of the utility model embodiment;
Fig. 3 is the combination action schematic diagram of the utility model embodiment;
Fig. 4 is the combination action schematic diagram of the utility model embodiment;
Fig. 5 is a view after the backguy electromagnet start of the utility model embodiment;
View when Fig. 6 is the loose ends electromagnet start of the utility model embodiment;
Fig. 7 is the view after the backguy electromagnet of the utility model embodiment resets.
Wherein, the label declaration in the accompanying drawing is as follows:
10, pedestal 11, base plate
12, loose ends start plate 13, adjustment line are hung
14, wire column 15, wire column
16, back-moving spring 20, backguy electromagnet
30, messenger wire spring adjustment group 31, swing line are hung
40, coupled arm group 41, swing arm
42, connecting rod 50, loose ends electromagnet
51, movable axis 60, main stringing adjustment group
61, ejector pin 70, pre-stringing adjustment group
80, Libra 111, fluting
121, adjutage 122, bayonet lock
301, fixed axis 302, spacer ring
303, pad 304, messenger wire spring
305, line-crossing disk 306, body
307, body 308, knob
309, reference column 310, adjustment frame
311, spiral shell spare 312, nut
421, card ditch 422, chute
3011, protuberance 3012, threaded portion
3071, screw
Specific embodiment
The utility model embodiment is to be example with the crosspointer type, and only needs the path associated components of left needlework or right needlework is removed when being applied in the single needle type, and principle is identical; See also the 1st～4 figure, the utility model is an a kind of seam anchoring of automatic tangent Sewing machines, and the seam anchoring that rises of described Sewing machines comprises:
One pedestal 10, comprise a base plate 11 on the described pedestal 10, one loose ends start plate 12, one adjusts line extension 13 and at least two wire columns 14,15, described base plate 11 is provided with a fluting 111,12 activities of described loose ends start plate are incorporated into described base plate 11 rear sides, and described loose ends start plate 12 1 ends form the adjutage 121 of continuous bending, described adjutage 121 is to pass fluting 111, described adjustment line is hung 13 and is incorporated into described base plate 11 front sides, and its position can about adjust and described at least two wire columns 14,15 can be fixedly arranged on described base plate 11 front sides respectively locates up and down.
One revolving backguy electromagnet 20, described backguy electromagnet 20 correspondences are incorporated into described base plate 11 1 sides.
One messenger wire spring adjustment group 30, the adjustment of described messenger wire spring is organized 30 correspondences and is incorporated into described base plate 11 opposite sides, and activity is combined with a swing line extension 31 on the described messenger wire spring adjustment group 30; Wherein, described messenger wire spring adjustment group 30 includes a fixed axis 301, one spacer ring 302, one pad 303, one messenger wire spring 304, at least one line-crossing disk 305, one body 306, one body 307, one knob 308 and a reference column 309, described fixed axis 301 passes described base plate 11 in regular turn, spacer ring 302, pad 303, messenger wire spring 304, at least one line-crossing disk 305, body 306, body 307 and knob 308 and mutual movable combination, and described reference column 309 is fixedly arranged on the described base plate 11, and described reference column 309 is to pass described pad 303 in regular turn, at least one line-crossing disk 305 and body 307 and mutual movable combination, the location that turns to for described line-crossing disk 305 and body 307, purpose is set on fixed axis 301, freely rotates of described spacer ring 302 for making described swing line hang 31, the sidewall of described body 307 is provided with a screw 3071 in addition, and the sidewall of described body 307 is provided with an adjustment frame 310, described adjustment frame 310 is provided with a spiral shell spare 311, described spiral shell spare 311 passes described adjustment frame 310, and be locked in the screw 3071 of described body 307, hang the end angle for the line of adjusting messenger wire spring 304, described fixed axis 301 1 ends form protuberance 3011, be resisted against described base plate 11 for wearing, and described fixed axis 301 other ends form threaded portion 3012, for further screwing togather with a nut 312.
One coupled arm group 40, described coupled arm group 40 1 ends are linked to described backguy electromagnet 20, and the swing line that the other end of described coupled arm group 40 is linked on the described messenger wire spring adjustment group 30 hangs 31, and adjutage 121 start mutually of described coupled arm group 40 and described loose ends start plate 12; Wherein, described coupled arm group 40 includes a swing arm 41 and a connecting rod 42, described swing arm 41 1 ends are incorporated into the axle center of described backguy electromagnet 20, and described swing arm 41 other end activities are incorporated into an end of described connecting rod 42, the swing line that the other end activity of described connecting rod 42 is incorporated on the described messenger wire spring adjustment group 30 hangs 31, block a ditch 421 and a chute 422 and be formed with one on the described connecting rod 42, described card ditch 421 is formed at the profile of described connecting rod 42, described chute 422 is located on connecting rod 42 sidewalls of described card ditch 421 adjacent sides, and the inboard, lower end of the adjutage 121 of described loose ends start plate 12 is provided with a bayonet lock 122, for the card ditch 421 that snaps on the described connecting rod 42.
The loose ends electromagnet 50 of one Direct Action Type, described loose ends electromagnet 50 correspondences are incorporated into described base plate 11 rear sides, and described loose ends electromagnet 50 is provided with a movable axis 51, described movable axis 51 is resisted against described loose ends start plate 12.
At least one main stringing adjustment group 60, described at least one main stringing adjustment group 60 is arranged at described base plate 11 fronts, be resisted against described loose ends start plate 12 and its axle center is provided with an ejector pin 61, discharge the compression spring in the main stringing adjustment group 60 during for 50 starts of loose ends electromagnet.
At least one pre-stringing adjustment group 70, described at least one pre-stringing adjustment group 70 is arranged at described base plate 11 tops.
In addition, be provided with a back-moving spring 16 between described loose ends start plate 12 and described base plate 11, during in order to 50 outages of loose ends electromagnet described loose ends start plate 12 rebounded.
And described two sutures are hung 31 line hole, the line hole of an adjustment line extension 13 and arrive Libra 80 and needle bar (figure does not show) through a pre-stringing adjustment group 70, a wire column 15, one main stringing adjustment group 60, a wire column 14, a messenger wire spring adjustment group 30, a swing line respectively.The utility model embodiment is an example to implement crosspointer, hangs 31, one and adjusts line extension 13 and arrive Libra 80 and needle bar through two pre-stringing adjustment groups 70, two wire columns, 15, two main stringing adjustment groups 60, a wire column 14, a messenger wire spring adjustment group 30, a swing line; When the enforcement single needle is example, hangs 31, one and adjust line extension 13 and arrive Libra 80 and needle bar through a pre-stringing adjustment group 70, a wire column 15, one main stringing adjustment group 60, a wire column 14, a messenger wire spring adjustment group 30, a swing line with a suture.
Usually be that last axle turns around with the action definition of Sewing machines be 360 degree, and 0 degree is the needle bar top dead-centre, other action sequence greatly slightly: 65 degree are Libra top dead-centre, the parking spot after promptly tangent line is finished; 180 degree are the needle bar bottom dead centre; 205 degree collude the line point for rotating shuttle; 305 degree are the Libra bottom dead centre.Please refer to the explanation of aforementioned disclosed Chinese utility model patent publication number CN101372797A.But various Sewing machines is looked its structure, and above-mentioned angle is slightly variant.Backguy electromagnet 20 actuating lengths of the present utility model promptly have been set between 205 degree and 305 degree of seam first pin.
Constitute an a kind of seam anchoring of automatic tangent Sewing machines by above-mentioned structure, see also the 3rd～7 figure, of the present utility modelly be characterised in that when seam drives the swing arm 41 of described coupled arm group 40 by described backguy electromagnet 20, and the described connecting rod 42 of described swing arm 41 interlocks, drive the swing line that is incorporated on the described messenger wire spring adjustment group 30 by described connecting rod 42 again and hang 31, needlework are retracted, make the inboard set bayonet lock 122 in the lower end of adjutage 121 of described loose ends start plate 12 slide onto card ditch 421 places on the described connecting rod 42 simultaneously by the chute 422 on connecting rod 42 sidewalls, spacing to form the stroke end; And when sewing stops carrying out thread cutting action, movable axis 51 by described loose ends electromagnet 50 is resisted against described loose ends start plate 12, eject ejector pin 61 when promoting to discharge main stringing adjustment group 60, the inboard set bayonet lock 122 in the lower end of the adjutage 121 of loose ends start plate 12 resets swing line extension 31 by breaking away from the card ditch 421 on the described connecting rod 42 and drive described coupled arm group 40 by backguy electromagnet 20 built-in back-moving springs.
Above-mentioned mechanism kinematic promptly is to collude the line action simultaneously at the rotating shuttle that plays seam first pin to the effect of needlework, when needle bar is carried on gradually, and the Libra hole move to bottom dead centre between, needlework are up retracted (figure does not show), the end of a thread length that remains in the cloth below is controlled in the scope of allowing, the length that wherein said the end of a thread retracts approximate needlework wire column 14 and adjust line hang 13 cable-through hole between, because of the swing line is hung the length difference that 31 cable-through hole displacement causes; For realizing this effect, the actuating mechanism that the utility model only adds a backguy electromagnet 20 can be reached the purpose that has shortened the suture needle line length on the automatic tangent Sewing machines of prior art; So, can reduce the signal of a control sequential, the needlework tension force when not influencing thread cutting action.Make to the utlity model has effects such as reducing excessive thread ends and saving cost, increase whole practicality.
The above only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this; So all simple equivalent of being done according to the utility model claim and utility model description change and modify, all should still belong in the scope that the utility model patent contains.
Claims (6)
- An automatic tangent Sewing machines play the seam anchoring, the seam anchoring that rises of described Sewing machines comprises:One pedestal, including a base plate, a loose ends start plate and an adjustment line on the described pedestal hangs, described loose ends start plate is that activity is incorporated into described base plate rear side, and described loose ends start plate one end forms adjutage, and described adjustment line is hung and is incorporated into described base plate front side;One backguy electromagnet, described backguy electromagnet correspondence is incorporated into described base plate one side;One messenger wire spring adjustment group, described messenger wire spring adjustment group correspondence is incorporated into described base plate opposite side, and activity is combined with a swing line extension on the described messenger wire spring adjustment group;One coupled arm group, described coupled arm group one end is linked to described backguy electromagnet, and the swing line that the other end of described coupled arm group is linked on the described messenger wire spring adjustment group is hung, and the adjutage of described coupled arm group and described loose ends start plate can interact;One loose ends electromagnet, described loose ends electromagnet correspondence is incorporated into described base plate rear side, and described loose ends electromagnet is to be provided with a movable axis, described movable axis is resisted against described loose ends start plate;At least one main stringing adjustment group, described at least one main stringing adjustment group is arranged on the described base plate, is resisted against described loose ends start plate and its axle center is provided with an ejector pin, discharges main stringing adjustment group during for the start of loose ends electromagnet; And at least one pre-stringing adjustment group, described at least one pre-stringing adjustment group is arranged on the described base plate.
- 2. a seam anchoring of automatic tangent Sewing machines according to claim 1, it is characterized in that: described messenger wire spring adjustment group includes a fixed axis, one spacer ring, one pad, one messenger wire spring, at least one line-crossing disk, one body, one body, one knob and a reference column, described fixed axis passes described base plate in regular turn, spacer ring, the swing line is hung, pad, the messenger wire spring, at least one line-crossing disk, body, body and knob and mutual movable combination, and described reference column is fixedly arranged on the described base plate, and described reference column passes described pad in regular turn, at least one line-crossing disk and body and mutual movable combination, the location that turns to for described line-crossing disk and body, the sidewall of described body is provided with a screw in addition, and the sidewall of described body is provided with an adjustment frame, described adjustment frame is provided with a spiral shell spare, described spiral shell spare passes described adjustment frame, and be locked in the screw of described body, for adjusting messenger wire spring angle.
- 3. a seam anchoring of automatic tangent Sewing machines according to claim 2, it is characterized in that: described fixed axis one end forms protuberance, be resisted against described base plate for wearing, and the described fixed axis other end forms the threaded portion, for further screwing togather with a nut.
- 4. a seam anchoring of automatic tangent Sewing machines according to claim 1, it is characterized in that: described coupled arm group includes a swing arm and a connecting rod, described swing arm one end is incorporated into described backguy electromagnet, and the activity of the described swing arm other end is incorporated into an end of described connecting rod, and the swing line that the other end of described connecting rod is incorporated on the described messenger wire spring adjustment group is hung.
- 5. a seam anchoring of automatic tangent Sewing machines according to claim 4, it is characterized in that: be formed with a Ka Gou and a chute on the described connecting rod, described Ka Gou is formed at the profile of described connecting rod, described chute is located on the link sidewalls of the adjacent side of described card ditch, and the inboard, lower end of the adjutage of described loose ends start plate is provided with a bayonet lock, for the Ka Gou that snaps on the described connecting rod.
- 6. a seam anchoring of automatic tangent Sewing machines according to claim 4, it is characterized in that: also can include at least two wire columns on the described pedestal, described two wire columns are fixedly arranged on described base plate front side respectively and locate up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202695137U CN201530914U (en) | 2009-10-21 | 2009-10-21 | Seaming thread-drawing device of automatical thread-cutting sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202695137U CN201530914U (en) | 2009-10-21 | 2009-10-21 | Seaming thread-drawing device of automatical thread-cutting sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201530914U true CN201530914U (en) | 2010-07-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202695137U Expired - Lifetime CN201530914U (en) | 2009-10-21 | 2009-10-21 | Seaming thread-drawing device of automatical thread-cutting sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201530914U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041645B (en) * | 2009-10-21 | 2012-10-17 | 启翔针车（上海）有限公司 | Stitching-starting thread-drawing device for automatic thread-cutting sewing machine |
| CN108578226A (en) * | 2018-07-03 | 2018-09-28 | 苏州高新区人民医院 | A kind of thread embedding needle knife device |
| CN109023741A (en) * | 2018-09-20 | 2018-12-18 | 陈梓豪 | A kind of automatic loose ends device of new-type sewing machine |
| CN110656447A (en) * | 2018-06-29 | 2020-01-07 | 兄弟工业株式会社 | Sewing machine |
-
2009
- 2009-10-21 CN CN2009202695137U patent/CN201530914U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102041645B (en) * | 2009-10-21 | 2012-10-17 | 启翔针车（上海）有限公司 | Stitching-starting thread-drawing device for automatic thread-cutting sewing machine |
| CN110656447A (en) * | 2018-06-29 | 2020-01-07 | 兄弟工业株式会社 | Sewing machine |
| CN108578226A (en) * | 2018-07-03 | 2018-09-28 | 苏州高新区人民医院 | A kind of thread embedding needle knife device |
| CN108578226B (en) * | 2018-07-03 | 2023-12-08 | 苏州高新区人民医院 | Thread embedding needle knife device |
| CN109023741A (en) * | 2018-09-20 | 2018-12-18 | 陈梓豪 | A kind of automatic loose ends device of new-type sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100721 Effective date of abandoning: 20091021 |
|
| RGAV | Abandon patent right to avoid regrant |