CN201121248Y - Non-shuttle peg base line providing device - Google Patents
Non-shuttle peg base line providing device Download PDFInfo
- Publication number
- CN201121248Y CN201121248Y CNU2007201133862U CN200720113386U CN201121248Y CN 201121248 Y CN201121248 Y CN 201121248Y CN U2007201133862 U CNU2007201133862 U CN U2007201133862U CN 200720113386 U CN200720113386 U CN 200720113386U CN 201121248 Y CN201121248 Y CN 201121248Y
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- Prior art keywords
- shaft
- shuttle
- line
- rotating shaft
- rotary shuttle
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a bottom line supplying device for a non shuttle core, which comprises a shuttle rotating component installed at one end of the shuttle rotating shaft, a vertical shaft vertically crossed with the shuttle rotating shaft, a shaft through hole arranged on the shaft line of the shuttle rotating shaft for leading the wire, the shuttle rotating shaft can be extended over the crossing point of the shuttle rotating shaft and the vertical shaft, a tensioning cam is installed at the other end of the shuttle rotating shaft, the cam is positioned on the route of the line body, and the shuttle rotating shaft is the rotating shaft center; the lower end of the vertical shaft is connected with the shuttle rotating shaft through an bevel gear pair, and the upper end of the oil pump shaft is connected with the shuttle rotating shaft through an bevel gear pair. The bottom line supplying device for a non shuttle core has the advantages that the device is adapted to the line incoming rhythm at the working part of the sewing machine, the changing range of the line body tension is small, the line incoming is smooth, the line track of the bottom line is even and beautiful, and the line breaking rate is low.
Description
(1) technical field
The utility model relates to the bottom line generator of Sewing machines.
(2) technical background
Rotating shuttle formula sewing devices such as existing industrial sewing machine and embroidery machine, its bottom line generator all adopts shuttle peg winding, rotating shuttle to collude the structure of line, because peg or spindle is little, the coiling amount is little, need often to change peg or spindle in the course of the work, the process of making is frequently interrupted, and has greatly reduced operating efficiency, has promoted human cost.Human cost is the prime cost of ready-made clothes factory, so this defective is very unfavorable for the cost control of ready-made clothes processing industry.In addition, also cause wire terminal many, influence the outward appearance of finished product, the wire terminal on the high-grade clothing has had a strong impact on quality scale, and the suture of clothes such as leather jacket, jean is thicker, and wire terminal is more showy.
Chinese patent discloses a kind of bottom thread of sewing equipment for No. 00110954.5 not to be had peg or spindle and installs device, and this device utilizes the centre bore of rotary shuttle shaft, and the tower line is directly guided to the working position, because tower wire-wound line amount is big, has avoided frequent replacing peg or spindle.But owing to prolong greatly than peg or spindle for linear distance, the line body need be through the guiding of a plurality of wire guiding members, and the frictional force of line body and wire guiding member also increases greatly.In fact, the inlet wire speed at Sewing machines work position is not uniformly, usually needs when withdrawal of needle fast for line, and does not need for line when falling pin, and therefore actual to supply line is that a ripple one ripple carries out.When adopting peg or spindle for line because peg or spindle directly supplies line nearby, peg or spindle take out the requirement that linear velocity is caught up with the working position easily, but adopt the tower line length apart from the time for line, situation but has difference.When withdrawal of needle, the line body by syringe needle with very big acceleration pull, produce very big frictional force between line body and each wire guiding member, the tensile force of line body itself also sharply increases, cause the bottom line stitching inhomogeneous on the one hand, influence outward appearance, also cause the line body to break easily on the other hand, just need again artificial threading in case break, have a strong impact on work efficiency.The existence of above problem just makes that the disclosed utility model of this documents can't practicability, and each big ready-made clothes factory still continues to use the thread supplying device of peg or spindle in order to insure.
(3) summary of the invention
The utility model will solve the deficiency of the non-shuttle peg base line generator incompatibility Sewing machines work position inlet wire rhythm of existing Sewing machines, and a kind of non-shuttle peg base line generator that adapts to Sewing machines work position inlet wire rhythm is provided.
Non-shuttle peg base line generator described in the utility model, comprise the rotating shuttle assembly that is installed in rotary shuttle shaft one end, vertical pivot with the rotary shuttle shaft square crossing, have the shaft through-hole that passes through for the line body on the rotary shuttle shaft, it is characterized in that rotary shuttle shaft extends beyond the crosspoint of rotary shuttle shaft and vertical pivot, the other end of rotary shuttle shaft is equipped with a tension cam, and it is axis of rotation that described cam is positioned on the line body path and with the rotary shuttle shaft; The lower end of vertical pivot is connected by umbrella gear is secondary with rotary shuttle shaft, and the upper end of oil pump shaft is connected by umbrella gear is secondary with rotary shuttle shaft.
Further, described rotating shuttle cover, umbrella gear, cam all are socketed on the rotary shuttle shaft, and fix with screw and axle sleeve.
Further, also be furnished with threading parts that are used for the line body is passed through the shaft through-hole of rotary shuttle shaft, described threading parts are external diameter springs less than the shaft through-hole aperture of rotary shuttle shaft.
The utility model in use, the line body enters the shaft through-hole of rotary shuttle shaft more earlier through the edge of tension cam, cam rotates with rotary shuttle shaft, makes the periodically tensioning or lax of line body, this cycle just in time with the agreeing with the line cycle of the working position of Sewing machines.When the working position fell pin, the major axis of cam end progressed into line body path, and the line body is tensioned gradually, made the line tower little by little discharge more line; When minor axis of cam progresses into line body path, produce unnecessary line on the line body path, the line body relaxes, but this moment working position withdrawal of needle inlet wire just in time, the surplus on the line body path just in time equals the inlet wire amount of working position.The tension of cam makes the unwrapping wire of line tower carry out in a kind of gentle mode, rather than the violent rapid all standing that rises, and line body tension variation amplitude reduces greatly.Because the inlet wire amount of working position is used is surplus on the line body path, rather than directly draw from the line tower, therefore can not cause the rapid variation of tension force on the line body during working position inlet wire, thereby avoided influence to bottom line stitching tightness, also avoid the broken string phenomenon, improved practicality, the reliability of non-shuttle peg base line generator.
The utility model has the advantages that both to have kept the non-shuttle peg base line generator directly to use the advantage of line tower for line, adapt to Sewing machines work position inlet wire rhythm again, line body tension variation amplitude is little, and inlet wire is smooth and easy, and the bottom line stitching is even, attractive in appearance, and outage is low.
(4) description of drawings
Fig. 1 is the structural representation that the shuttle peg base line generator is arranged.
Fig. 2 is a structural scheme of mechanism of the present utility model
Fig. 3 is a mechanism of the present utility model disassembly diagram
Fig. 4 is the partial sectional view of rotary shuttle shaft 8
(5) specific embodiment
With reference to accompanying drawing 2,3: non-shuttle peg base line generator described in the utility model, comprise the rotating shuttle assembly that is installed in rotary shuttle shaft 8 one ends, vertical pivot 3 with rotary shuttle shaft 8 square crossings, have the shaft through-hole that passes through for the line body on the rotary shuttle shaft 8, rotary shuttle shaft 8 extends beyond the crosspoint of rotary shuttle shaft 8 and vertical pivot 3, the other end of rotary shuttle shaft 8 is equipped with a tension cam 20, and described cam 20 is positioned on the line body path and is axis of rotation with rotary shuttle shaft 8; The lower end of vertical pivot 3 is connected by umbrella gear is secondary with rotary shuttle shaft 8, and the upper end of oil pump shaft 18 is connected by umbrella gear is secondary with rotary shuttle shaft 8.
Described rotating shuttle cover 8, umbrella gear, cam all are socketed on the rotary shuttle shaft 8, and fix with screw and axle sleeve.Because the shaft through-hole of rotary shuttle shaft is very long, the threading inconvenience, so also be furnished with threading parts that are used for the line body is passed through the shaft through-hole of rotary shuttle shaft, described threading parts are external diameter springs less than the shaft through-hole aperture of rotary shuttle shaft.
The upper end of vertical pivot 3 is socketed with umbrella gear 1b, and umbrella gear 1b is fixing by screw, axle sleeve 4, and axle sleeve 4 itself also is fixed on the vertical pivot by screw 5.Vertical pivot 3 interconnects by umbrella gear 1a, 1b with last axle, and wherein going up axle is driving shaft.
The lower end of vertical pivot 3 is socketed with umbrella gear 2a, and umbrella gear 2a is fixing by screw, axle sleeve 6, and axle sleeve 6 itself also is fixed on the vertical pivot by screw 7.Vertical pivot 3 interconnects by umbrella gear 2a, 2b with rotary shuttle shaft 8, and wherein vertical pivot 3 is driving shafts.Umbrella gear 2b is against axle sleeve 11, and axle sleeve 11 is equipped with screw 12 against axle collar 13 on the axle sleeve 11.
The upper end of oil pump shaft 18 is socketed with umbrella gear 2c, and umbrella gear 2c is fixed by screw.Oil pump shaft 18 interconnects by umbrella gear 2b, 2c with rotary shuttle shaft 8, and wherein rotary shuttle shaft 8 is driving shafts.
The alleged rotating shuttle assembly of the utility model comprises rotating shuttle cover 16, rotating shuttle 17, does not comprise peg or spindle.Rotating shuttle location hook 14 connects rotating shuttle cover 16 by screw 15.Rotating shuttle cover 16 is against axle sleeve 9, and axle sleeve 9 is fixed on the rotary shuttle shaft 8 by screw 10.
The utility model in use, the line body enters the shaft through-hole of rotary shuttle shaft more earlier through tension cam, cam rotates with rotary shuttle shaft, makes the periodically tensioning or lax of line body, this cycle just in time with the agreeing with the line cycle of the working position of Sewing machines.When the working position fell pin, the major axis of cam end progressed into line body path, and the line body is tensioned gradually, made the line tower little by little discharge more line; When minor axis of cam progresses into line body path, produce unnecessary line on the line body path, the line body relaxes, but this moment working position withdrawal of needle inlet wire just in time, the surplus on the line body path just in time equals the inlet wire amount of working position.The folding and unfolding of cam makes the unwrapping wire of line tower carry out in a kind of gentle mode, rather than the violent rapid all standing that rises, and line body tension variation amplitude reduces greatly.Because the inlet wire amount of working position is used is surplus on the line body path, rather than directly draw from the line tower, therefore can not cause the rapid variation of tension force on the line body during working position inlet wire, thereby avoided influence to bottom line stitching tightness, also avoid the broken string phenomenon, improved practicality, the reliability of non-shuttle peg base line generator.
Present embodiment is only for the explanation the technical solution of the utility model; but not to the restriction of protection domain of the present utility model; those of ordinary skill in the art; under the situation that does not break away from design scope of the present utility model, can also make various variations; all equivalent technical solutions also belong to scope of the present utility model, and protection domain of the present utility model should be defined by the claims.
Claims (3)
1. non-shuttle peg base line generator, comprise the rotating shuttle assembly that is installed in rotary shuttle shaft one end, vertical pivot with the rotary shuttle shaft square crossing, have the shaft through-hole of lead-in wire usefulness on the axis of rotary shuttle shaft, it is characterized in that rotary shuttle shaft extends beyond the crosspoint of rotary shuttle shaft and vertical pivot, the other end of rotary shuttle shaft is equipped with a tension cam, and it is axis of rotation that described cam is positioned on the line body path and with the rotary shuttle shaft; The lower end of vertical pivot is connected by umbrella gear is secondary with rotary shuttle shaft, and the upper end of oil pump shaft is connected by umbrella gear is secondary with rotary shuttle shaft.
2. non-shuttle peg base line generator as claimed in claim 1 is characterized in that: the rotating shuttle cover of described rotating shuttle assembly, umbrella gear, cam all are socketed on the rotary shuttle shaft, and fix with screw and axle sleeve.
3. non-shuttle peg base line generator as claimed in claim 1 or 2 is characterized in that: also be furnished with threading parts that are used for the line body is passed through the shaft through-hole of rotary shuttle shaft, described threading parts are external diameter springs less than the shaft through-hole aperture of rotary shuttle shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201133862U CN201121248Y (en) | 2007-08-16 | 2007-08-16 | Non-shuttle peg base line providing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201133862U CN201121248Y (en) | 2007-08-16 | 2007-08-16 | Non-shuttle peg base line providing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201121248Y true CN201121248Y (en) | 2008-09-24 |
Family
ID=40008474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201133862U Expired - Fee Related CN201121248Y (en) | 2007-08-16 | 2007-08-16 | Non-shuttle peg base line providing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201121248Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363172B (en) * | 2008-10-08 | 2012-09-05 | 马越龙 | Sewing machine shuttle for continuously feeding ground thread |
-
2007
- 2007-08-16 CN CNU2007201133862U patent/CN201121248Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363172B (en) * | 2008-10-08 | 2012-09-05 | 马越龙 | Sewing machine shuttle for continuously feeding ground thread |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080924 Termination date: 20120816 |