CN102899816B - Elastic strip tightening device - Google Patents
Elastic strip tightening device Download PDFInfo
- Publication number
- CN102899816B CN102899816B CN201110210374.2A CN201110210374A CN102899816B CN 102899816 B CN102899816 B CN 102899816B CN 201110210374 A CN201110210374 A CN 201110210374A CN 102899816 B CN102899816 B CN 102899816B
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- Prior art keywords
- conduction band
- shaped material
- elastic band
- strip
- band member
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Abstract
An elastic strip tightening device is used with a sewing machine with a needle and comprises a strip clamping structure. The strip clamping structure is approximately perpendicular to an advancing direction of a sewn article, is adjustably arranged close to the needle and comprises a strip guiding component, a strip clamping component and a driving mechanism, the strip guiding component is approximately perpendicular to the advancing direction of the sewn article, is adjustably arranged close to the needle and is provided with a through strip guiding rail, the strip clamping component is movably arranged at the strip guiding component and realizes clamping, pressing and separating actions relative to the strip guiding component, and the driving mechanism is arranged at the strip guiding component so as to drive the strip clamping mechanism to realize the clamping, pressing and separating actions relative to the strip guiding component. The elastic strip tightening device has the advantages when sewing operation for a remaining section of a cut elastic strip is not finished, original required tension on the remaining section can be kept, so that the remaining section is continued being sewn on the sewn article and is integrally connected with a starting end, and an elastic strip sewn on the sewn article realizes required elastic expanding and beautifying effects for the sewn article all along.
Description
Technical field
The present invention relates to a kind of elastic band-shaped material tensioning device, refer to especially a kind of No. 02116206.9, cooperation patent of invention ZL " device for feeding ribbon material in sewing machine ", once further make after elastic band-shaped material is cut off in the process of making, still can continue to keep the tension force of original demand to continue to make on sewn object, and be intactly connected with initiating terminal, make to make the elastic band-shaped material on sewn object, can both form required elastic telescopic and aesthetic to sewn object from start to finish.
Background technology
At sewn object (for example: (for example: elastic cord), for clothing manufacturing dealer, be very general demand underpants), make elastic band-shaped material.No. 02116206.9, patent of invention ZL " device for feeding ribbon material in sewing machine ", it is to utilize motor 36 to drive feed roller 37 rotations, and collaborative pinch roller 39 clamps elastic band-shaped material 42 simultaneously, make strip material 42 from the cramping position through between feed roller 37 and pinch roller 39, till the cramping position between sewing machine cloth pressing foot and cloth conveying teeth, form tension section.And the strip material tension force of above-mentioned device for feeding ribbon material in sewing machine is controlled structure, to control the tension force measured value of constructing the strip material producing according to the tension force setting value of strip material with tension force, to determine turning to of motor, and then the tension force of control elastic band-shaped material 42, elastic band-shaped material 42 can be made on sewn object according to required elasticity, make the privileged site of sewn object there is required elasticity, so that cosily dress.
When approaching seam journey, end, must cut off elastic band-shaped material 42 (normally utilizing electrotome to cut off), to finish the setting seam journey of elastic band-shaped material 42.Because electrotome cannot approach suture needle, and must, moderately away from suture needle, in order to avoid disturbing, electrotome make operation.Once therefore after elastic band-shaped material 42 is cut off, the tension force that puts on elastic band-shaped material 42 originally disappears immediately.That is autotomy and have no progeny, elastic band-shaped material 42 is not yet made the residue section on sewn object, just there is no tension force completely, and is continued to make on sewn object, until whole seam journey ends.
So before seam journey ends, be sewn the residue section of the elastic band-shaped material 42 on sewn object, just do not there is elasticity and aesthetic.This disappearance not only cannot be accepted by user, and for clothing manufacturing dealer, especially a very big disappearance that is difficult to overcome.
Because above-mentioned existing device for feeding ribbon material in sewing machine, when approaching seam journey, end, namely after elastic band-shaped material 42 is cut off, the tension force that originally puts on elastic band-shaped material 42 disappears immediately, cause elastic band-shaped material 42 not yet to make the residue section on sewn object, just there is no tension force completely, and continued to make on sewn object, so the residue section of seam journey just there will be the problem of the effect of not stretching completely, and outward appearance is very not attractive in appearance.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcome the above-mentioned defect that prior art exists, and provide a kind of elastic band-shaped material tensioning device, it can make elastic band-shaped material be cut off and not yet complete the residue section of making operation afterwards, still can continue to keep the tension force of original demand to continue to make on sewn object, and be intactly connected with initiating terminal, make to make the elastic band-shaped material on sewn object, can both form required elastic telescopic and aesthetic to sewn object from start to finish.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of elastic band-shaped material tensioning device, be equipped on the Sewing machines with suture needle, above-mentioned elastic band-shaped material tensioning device comprises: carry structure secretly, generally perpendicular to sewn object direct of travel, be arranged at adjustably the vicinity of suture needle, this is carried structure secretly and comprises: guide module, generally perpendicular to sewn object direct of travel, be arranged at adjustably the vicinity of suture needle, guide module has the conduction band track running through, and can pass for elastic band-shaped material; Carry member secretly, be arranged at movably guide module place, carry member secretly with respect to guide module cramping, separation; And driving mechanism, is arranged at guide module place, to drive, carry member secretly with respect to guide module cramping, separation.
According to previously described elastic band-shaped material tensioning device, wherein carry the position of structure installation between suture needle and operator secretly.
According to previously described elastic band-shaped material tensioning device, wherein guide module has conduction band track, can pass through for elastic band-shaped material.
According to previously described elastic band-shaped material tensioning device, further comprise: bandwidth is adjusted member, be arranged at movably the conduction band track place of guide module, to adjust elastic band-shaped material by the position of guide module.
According to previously described elastic band-shaped material tensioning device, further comprise: leader tape structure, generally perpendicular to sewn object direct of travel, be arranged at adjustably cloth pressing foot place, this leader tape structure comprises:
Two leader tape members, generally perpendicular to sewn object direct of travel, are arranged at cloth pressing foot place adjustably, and form leader tape passage between two leader tape members, and the spacing of this leader tape passage and position can be along generally adjusting perpendicular to sewn object direct of travel.
Elastic band-shaped material tensioning device provided by the present invention, it can make elastic band-shaped material be cut off and not yet complete the residue section of making operation afterwards, still can continue to keep the tension force of original demand to continue to make on sewn object, and be intactly connected with initiating terminal, make to make the elastic band-shaped material on sewn object, can both form required elastic telescopic and aesthetic to sewn object from start to finish.
But existing device for feeding ribbon material in sewing machine, when approaching seam journey, end, that is after elastic band-shaped material is cut off, the tension force that originally puts on elastic band-shaped material disappears immediately, cause elastic band-shaped material not yet to make the residue section on sewn object, just there is no tension force completely, and continued to make on sewn object, so the residue section of seam journey just there will be the problem of the effect of not stretching completely, appearance is very not attractive in appearance yet.
Apparently, the present invention has really promoted elastic band-shaped material and has made the satisfactory flexible and aesthetic on sewn object.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the complete three-dimensional combination schematic diagram of elastic band-shaped material tensioning device of the present invention.
Fig. 2 is the sectional perspective combination schematic diagram of elastic band-shaped material tensioning device of the present invention.
Fig. 3 is the perspective exploded view of the leader tape structure of elastic band-shaped material tensioning device of the present invention.
Fig. 4 is the perspective exploded view of carrying structure secretly of elastic band-shaped material tensioning device of the present invention.
Fig. 5 is the perspective exploded view of carrying structure and cramping roller secretly of elastic band-shaped material tensioning device of the present invention.
Fig. 6 is that elastic band-shaped material tensioning device of the present invention is about to coordinate the schematic diagram of cutting band action.
Fig. 7 is that elastic band-shaped material tensioning device of the present invention coordinates and cuts band action and carrying the schematic diagram of action secretly.
Fig. 8 is that elastic band-shaped material tensioning device of the present invention completes the schematic diagram of carrying action secretly.
Fig. 9 is the partial schematic diagram that elastic band-shaped material tensioning device of the present invention completes the object to be sewn with complete flexible effect.
Number in the figure explanation:
The specific embodiment
Refer to shown in Fig. 1 to Fig. 9, elastic band-shaped material tensioning device 20 provided by the present invention comprises: carry structure 30 and leader tape structure 50 secretly.
Refer to shown in Fig. 2, Fig. 4, Fig. 6, carry structure 30 positions that are arranged between suture needle 60 and operator secretly, and carry structure 30 secretly generally perpendicular to sewn object direct of travel 61, be arranged at adjustably the vicinity of suture needle 60 (please consulting shown in Fig. 6 to Fig. 9 in addition), this is carried structure secretly and 30 comprises: guide module 31, carry the members such as member 33 and driving mechanism 37 secretly.
Refer to shown in Fig. 4, above-mentioned guide module 31, generally perpendicular to sewn object direct of travel 61, is arranged at the vicinity of suture needle 60 adjustably.Guide module 31 comprises the first conduction band member 311 and the second conduction band member 312.Wherein the first conduction band member 311 has the band of holding portion 310, and from holding with portion's 310 both sides one conduction band portion 313 and 314 that upwards bending is erect.Utilize screw 316 self-supporting band portion 310 both sides that the conduction band portion 313 and 314 of the first conduction band member 311 is locked and tied in the both sides of the second conduction band member 312 respectively.Therefore holding with portion 310, both sides conduction band portion 313 and the 314 and second conduction band member 312 of the first conduction band member 311 just forms the conduction band track 315 running through, and can pass for elastic band-shaped material 63.Certainly, also can be by the first conduction band member 311 and the one-body molded manufacture of the second conduction band member 312.
Refer to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, elastic band-shaped material tensioning device 20 also further comprises: bandwidth is adjusted member 317, be arranged at movably conduction band track 315 places of guide module 31, by mobile bandwidth, adjust member 317 to change its position on the first conduction band member 311, and adjust elastic band-shaped material 63 by the position of guide module 31, the adjustment tank 319 that recycling screw 318 is adjusted member 317 through bandwidth is locked on the second conduction band member 312 admittedly.
Refer to shown in Fig. 4, guide module 31 further comprises: the 3rd conduction band member 320, it borrows screw 321 interlockings at the second conduction band member 312, and forms chute (not shown in the figures) between the 3rd conduction band member 320 and the second conduction band member 312.Carry member 33 secretly and be slidedly arranged on formed chute (not shown in the figures) between the 3rd conduction band member 320 and the second conduction band member 312.Carrying member 33 secretly can be with respect to guide module 31 crampings, separation.
Refer to shown in Fig. 1, Fig. 2, Fig. 4, driving mechanism 37 comprises: actuator 370 and shaft coupling 371 that vapour pressure drives.The lower end of the cylinder of actuator 370 is provided with retaining thread 374, and is spirally connected with nut 376 through the perforation 3120 of the second conduction band member 312, makes the cylinder of actuator 370 and the second conduction band member 312 affixed.And the lower end of the piston 3700 of actuator 370 is provided with retaining thread 375, and be spirally connected with nut 377 through the perforation 372 of shaft coupling 371.Make the piston 3700 of actuator 370 affixed with shaft coupling 371.373 of the trunnions of shaft coupling 371 sequentially pass the guide groove 3121 of the 3rd conduction band member 320, the perforation 330 of carrying member 33 secretly, the guide groove 3201 of the second conduction band member 312.When piston 3700 knee-action of actuator 370, by shaft coupling 371, drive and carry member 33 knee-actions secretly, can clamp the elastic band-shaped material 63 through conduction band track 315 or separated.
Refer to shown in Fig. 1, Fig. 2, Fig. 3, elastic band-shaped material tensioning device 20 of the present invention further comprises: leader tape structure 50, generally perpendicular to sewn object direct of travel 61, be arranged at adjustably cloth pressing foot 66 places, this leader tape structure 50 comprises: two leader tape members 53 and 53, generally perpendicular to sewn object direct of travel 61, be arranged at adjustably cloth pressing foot 66 places, and forming leader tape passage 54 between two leader tape members 53 and 53, the spacing of this leader tape passage 54 and position can be along generally adjusting perpendicular to sewn object direct of travel 61.
Refer to shown in Fig. 2, Fig. 3, leader tape member 53 and 53 is provided with adjustment tank 530 and 530 separately, borrows respectively screw 55 and 56 to be respectively self-locking in the screw 661 and 662 of cloth pressing foot 66.Therefore spacing and the position, left and right of leader tape passage 54 can coordinate sewn object 64 and cloth pressing foot 66, and along generally adjusting perpendicular to sewn object direct of travel 61.
Refer to shown in Fig. 6, in the leading portion seam journey of elastic band-shaped material 63, carry member 33 secretly and upwards rise, elastic band-shaped material 63 is not clamped.
Refer to shown in Fig. 7, when the seam journey of elastic band-shaped material 63 is about at the end, carry member 33 secretly and move downwards, and while coordinating the first conduction band member 311 jointly elastic band-shaped material 63 to be clamped, carry roller 62 and 62 secretly also simultaneously to elastic band-shaped material 63 crampings.Then automatic cutter 65 cuts off elastic band-shaped material 63, and this forms residue section 632 from suture needle 60 to the elastic band-shaped material 63 of carrying member 33 these sections secretly in a flash.(existing device for feeding ribbon material in sewing machine does not clamp elastic band-shaped material 63 jointly because of carrying member 33 and the first conduction band member 311 secretly, so existing, be configured in while making, the residue section 632 of elastic band-shaped material 63 relaxes, so be not have retractility after having made).But because being provided with, the present invention carries member 33 and the first conduction band member 311 secretly, can continue jointly elastic band-shaped material 63 to be clamped, but it is not that the residue section of this elastic band-shaped material 63 632 folders are dead, but with the cramping resistance of being scheduled to, put on the residue section 632 of this elastic band-shaped material 63, make the residue section 632 of this elastic band-shaped material 63 continue to move on by carrying the cramping Resistance Line of member 33 and the first conduction band member 311 secretly with the required power of tightening, so the residue section 632 of elastic band-shaped material 63 remains and is tauted, suture needle 60 continues the residue section 632 of elastic band-shaped material 63 to make at sewn object 64, until this residue section 632 and unnecessary section 633 of continuing at these residue section 632 ends, also all stitched knot completely on sewn object 64, whole seam journey only just comes to an end.
Refer to shown in Fig. 8, when the residue section 632 of elastic band-shaped material 63, also by seam, tied after sewn object 64, member 33 and the first conduction band member 311 are carried in unnecessary section 633 disengaging of elastic band-shaped material 63 secretly.Because the residue section 632 of elastic band-shaped material 63 has been bonded on the initiating terminal 631 of elastic band-shaped material 63, therefore whole seam journeys just forms complete and unbroken circulation.
Refer to shown in Fig. 8, the residue section 632 of elastic band-shaped material 63 is just in time bonded on the initiating terminal 631 of elastic band-shaped material 63, and the unnecessary section 633 superimposed later the initial segment 634 of elastic band-shaped material 63 initiating terminals 631 that are sewn on of elastic band-shaped material 63.
Elastic band-shaped material tensioning device 20 provided by the present invention, it can make elastic band-shaped material 63 be cut off and not yet complete the residue section 632 of making operation afterwards by automatic cutter 65, still can continue to keep the tension force of original demand to continue to make on sewn object 64, and be intactly connected with initiating terminal 631, make to make the elastic band-shaped material 63 on sewn object 64, can both form required elastic telescopic and texts attractive in appearance to sewn object 64 from start to finish.
Elastic band-shaped material tensioning device 20 provided by the present invention, goes for various sewing machines, such as: flatcar, overseam car etc., the present invention will not be from limit.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (1)
1. an elastic band-shaped material tensioning device, is characterized in that, is equipped on the Sewing machines with suture needle, includes and carries structure, driving mechanism and leader tape structure secretly: wherein,
The described structure of carrying secretly, generally perpendicular to sewn object direct of travel, is arranged on the contiguous driving mechanism of suture needle adjustably, is integrally formed with described driving mechanism; This is carried structure secretly and comprises:
One guide module, generally perpendicular to sewn object direct of travel, be arranged at adjustably the vicinity of suture needle, it comprises the first conduction band member and the second conduction band member, described the first conduction band member has and holds with portion with from holding with portion's both sides one conduction band portion that upwards bending is erect, described conduction band portion lock is tied in the both sides of described the second conduction band member, makes holding with the common conduction band track running through that forms between portion, both sides conduction band portion and the second conduction band member of the first conduction band member, can pass for elastic band-shaped material; Described guide module further includes one the 3rd conduction band member, and described the 3rd conduction band member interlocking to the second conduction band member, forms chute between described the 3rd conduction band member and the second conduction band member;
One carries member secretly, is arranged at movably described guide module place, and is slidedly arranged on the chute between described the 3rd conduction band member and the second conduction band member, can clamp with respect to guide module, separation;
Described driving mechanism, is arranged at guide module place, includes actuator and a shaft coupling that a vapour pressure drives, and the cylinder lower end of described actuator and described the second conduction band member are affixed; Piston lower end and the shaft coupling of described actuator are affixed; Described shaft coupling sequentially passes a guide groove of described the 3rd conduction band member, a perforation of carrying member secretly, a guide groove of the second conduction band member through a trunnion, while making the piston knee-action of actuator, must drive and carry member knee-action secretly by shaft coupling, to drive, carry member secretly with respect to guide module cramping, separation;
Described leader tape structure, generally perpendicular to sewn object direct of travel, be arranged at adjustably cloth pressing foot place, this leader tape structure includes two leader tape members, described two leader tape members are generally perpendicular to sewn object direct of travel, be arranged at adjustably cloth pressing foot place, and form leader tape passage between two leader tape members, the spacing of leader tape passage and position can be along generally adjusting perpendicular to sewn object direct of travel; And
Also include a bandwidth and adjust member, described bandwidth is adjusted member and is locked on described the second conduction band member by an adjustment tank, make in its conduction band track that is arranged at movably described guide module, change it in the position of conduction band track, adjust elastic band-shaped material by the position of guide module, make the residue section of elastic band-shaped material be engaged with the initiating terminal of elastic band-shaped material, and the unnecessary section of superimposed later the initial segment of elastic band-shaped material initiating terminal that is sewn on of elastic band-shaped material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110210374.2A CN102899816B (en) | 2011-07-26 | 2011-07-26 | Elastic strip tightening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110210374.2A CN102899816B (en) | 2011-07-26 | 2011-07-26 | Elastic strip tightening device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102899816A CN102899816A (en) | 2013-01-30 |
| CN102899816B true CN102899816B (en) | 2014-05-07 |
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ID=47572289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110210374.2A Expired - Fee Related CN102899816B (en) | 2011-07-26 | 2011-07-26 | Elastic strip tightening device |
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| Country | Link |
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| CN (1) | CN102899816B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107245817B (en) * | 2017-06-16 | 2020-05-15 | 戴碧堂 | Underpants structure for sewing elastic band, sewing auxiliary component and sewing method thereof |
| CN109853154B (en) * | 2019-03-09 | 2024-04-02 | 舒普智能技术股份有限公司 | Feeding mechanism of round collar splicing sewing machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4370939A (en) * | 1979-12-12 | 1983-02-01 | Bassetti S.P.A. | Method and mechanism for inserting an elastic band in selected areas of mattress-wrapping bedclothes |
| US4703706A (en) * | 1987-02-17 | 1987-11-03 | Denis Plante | Elastic band feeding and tensioning mechanism for a sewing machine |
| EP0476818A1 (en) * | 1990-08-03 | 1992-03-25 | Robert William Arthur Dagg | Improvements in a method of and apparatus for applying elastic material to garments |
| CN202273074U (en) * | 2011-07-26 | 2012-06-13 | 吕学忠 | Elastic band-shaped material tensioning device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2201432B (en) * | 1987-02-26 | 1991-06-05 | Automatic Braiding Ltd | Feeding device for a sewing machine |
-
2011
- 2011-07-26 CN CN201110210374.2A patent/CN102899816B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4370939A (en) * | 1979-12-12 | 1983-02-01 | Bassetti S.P.A. | Method and mechanism for inserting an elastic band in selected areas of mattress-wrapping bedclothes |
| US4703706A (en) * | 1987-02-17 | 1987-11-03 | Denis Plante | Elastic band feeding and tensioning mechanism for a sewing machine |
| EP0476818A1 (en) * | 1990-08-03 | 1992-03-25 | Robert William Arthur Dagg | Improvements in a method of and apparatus for applying elastic material to garments |
| CN202273074U (en) * | 2011-07-26 | 2012-06-13 | 吕学忠 | Elastic band-shaped material tensioning device |
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| Publication number | Publication date |
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| CN102899816A (en) | 2013-01-30 |
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