CN101603250A - Sewing machines with the band feedway - Google Patents
Sewing machines with the band feedway Download PDFInfo
- Publication number
- CN101603250A CN101603250A CNA2009101406632A CN200910140663A CN101603250A CN 101603250 A CN101603250 A CN 101603250A CN A2009101406632 A CNA2009101406632 A CN A2009101406632A CN 200910140663 A CN200910140663 A CN 200910140663A CN 101603250 A CN101603250 A CN 101603250A
- Authority
- CN
- China
- Prior art keywords
- sewing machines
- belt wheel
- air
- band
- toothed belt
- Prior art date
- 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.)
- Pending
Links
Images
Abstract
The present invention relates in a kind of tooth portion of flocking attached to timing belt or drive roller shaft sheet that can prevent from when blank trims, to produce, and reduce the Sewing machines that breaks of timing belt with the band feedway.The blank of Sewing machines interlock type that should have pedestal with Sewing machines of band feedway and be configured in the next door of this pedestal trims the Sewing machines of device; Have first toothed belt wheel is arranged, with the driven roller of the banded band of driven voller clamping; Have by what timing belt and first had that toothed belt wheel links and second toothed belt wheel is arranged, corresponding with the driving of Sewing machines and have toothed belt wheel to give the motor rotating of ormal weight to second; Be configured between pedestal and the driven roller, the movable blade of the banded band of cut-out wherein, should have air blast with the Sewing machines of being with feedway with dead knife association is moving, it has the air outlet in the ring of timing belt, blows from air outlet with the action interlock of movable blade.
Description
Technical field
The present invention relates to a kind of Sewing machines of for example on the bottom part of the waist portions of swimsuit or underpants or safe trousers (sufficient ぐ り), sewing on band such as rubber with the band feedway.
Background technology
As Sewing machines in the past with the band feedway, known have be configured in needle plate (pedestal) and go up the band shape band of avris and supply with the driven roller of usefulness via timing belt and stepper motor binding (for example with reference to patent documentation 1).In such Sewing machines, on the axle sheet, have driven roller and the banded band of driven voller clamping that toothed belt wheel is arranged with the band feedway.In addition, between needle plate and driven roller, dispose the band cutting knife that cuts off banded band, be provided with the blank that the blank edge is trimmed at the sidepiece of needle plate and trim device.In addition, the band cutting knife is whenever the seam of band paste to finish to move, and blank trims the driving interlock of the general and Sewing machines of device and the blank edge is trimmed.
Patent documentation 1: TOHKEMY 2002-172285 communique (3-4 page or leaf, 1-2 figure)
But, in Sewing machines in the past with the band feedway, trimming the flocking that the device periphery produces at the blank of Sewing machines during driving dances exquisitely at the pedestal periphery, then sometimes the part of this flocking attached to timing belt or have in the tooth portion of toothed belt wheel (drive roller shaft sheet), the flocking that adheres to adds excessive tension force to the timing band application between between the tooth portion of the two time, often causes timing belt to break.
Summary of the invention
Therefore, the objective of the invention is to, provide a kind of can preventing to trim in the tooth portion of flocking that produces in the device, and reduce the Sewing machines that breaks of timing belt with the band feedway attached to timing belt or drive roller shaft sheet at the blank of needle plate sidepiece.
The present invention provides a kind of Sewing machines with the band feedway to achieve these goals, and it has: the blank of Sewing machines interlock type that has pedestal and be provided in the next door of this pedestal trims the Sewing machines of device; Have first toothed belt wheel is arranged, with the driven roller of the banded band of driven voller clamping; Have by what timing belt and first had that toothed belt wheel links and second toothed belt wheel is arranged, corresponding with the driving of Sewing machines and have toothed belt wheel to give the motor rotating of ormal weight to second; Be configured between pedestal and the driven roller, the movable blade of the banded band of cut-out is characterized in that with dead knife association is moving, should have air blast with the Sewing machines of being with feedway, it has the air outlet in the ring of timing belt, blows from air outlet with the action interlock of movable blade.
In addition, preferably carry out the action of movable blade by cylinder, the rapid escape valve that is arranged in the air pipe arrangement of cylinder is connected with air blast.In addition, for cylinder, the seal of the base end side that preferred this cylinder has the piston rod that can advance and retreat along its length, be fixed in piston rod and with seal card stop only before delivery outlet arrives, thus the air that is trapped in cylinder indoor is flowed out from corresponding delivery outlet.
(invention effect)
According to the present invention, owing to have the air outlet in the ring of timing belt, the air blast of blowing with the action interlock of movable blade so flocking was removed before anchoring in the tooth portion of the two, is difficult to take place because the breaking of the excessive tension force timing belt due to increasing.In addition, carry out the action of movable blade by cylinder, the rapid escape valve that is arranged in the air pipe arrangement of cylinder is connected with air blast, does not then need to consume too big cost, can be sent in the ring of timing belt by instantaneous air with necessary amount, the air of instantaneous conveying can not turn back to electromagnetic valve in addition.
Description of drawings
Fig. 1 is an expression stereogram of having the outward appearance of the Sewing machines of being with feedway of the present invention.
Fig. 2 is the general principal view of wanting portion's structure of the band feedway of this Sewing machines of explanation.
Fig. 3 be this device of expression internal structure want portion's stereogram.
Fig. 4 is the summary lateral view of wind pushing part of the air blast of this device of explanation.
Fig. 5 is the diagrammatic illustration figure of expression about another program of the internal structure of the cylinder of this device.
Description of reference numerals
1 Sewing machines
2 pedestals
4 blanks trim device
7 driven rollers
7a axle sheet
8 driven vollers
9 have toothed belt wheel
10 motors
12 timing belts
15 dead knives
16 movable blade
22 air blasts
23a, 24a air outlet
The banded band of T
The specific embodiment
Below, embodiments of the present invention are described with reference to the accompanying drawings.As shown in Figure 1, Sewing machines 1 has pedestal 2, and the part of pedestal 2 upper surfaces is covered by needle plate 3.Dispose blank at the sidepiece of needle plate 3 and trim device 4.This blank trim device 4 by be fixed near the needle plate 3 dead knife 4a and towards dead knife and up and down mobile cutter 4b constitutes, mobile cutter 4b is up and down with Sewing machines driving interlock.Have the insertion mouth 5a of banded band T with the edge bearing card of needle plate 3 relative configurations (giving as security the レ gold) 5, transport by known conveying mechanism by the blank of needle plate 3 and 5 clampings of edge bearing card.In addition, the pin (omit diagram) that is configured in the arm side of Sewing machines 1 is had a rest at the Sewing machines driving time and was connected the pin hole of needle plate 3, at this moment, carries out the blank on the needle plate 3 is implemented to make.
Above the upside that constitutes pedestal 2, dispose band feedway 6.Band feedway 6 possesses driven roller 7 and the driven voller 8 of the banded band of clamping T.As shown in Figure 2, driven roller 7 has a sheet 7a, on axle sheet 7a toothed belt wheel 9 has been installed.Have toothed belt wheel 9 above dispose the output shaft 10a that is fixed in stepper motor 10 toothed belt wheel 11 arranged.The timing belt 12 of colyliform is shelved to be had on the toothed belt wheel 9,11, be formed at timing belt 12 the inboard the 12a of tooth portion and have the tooth portion of toothed belt wheel 9,11 to be meshing with each other.Stepper motor 10 is installed on the carriage 13 of Sewing machines front, and the rotation amount of output shaft 10a is corresponding with the Sewing machines actuating speed and determine.When the output shaft 10a that makes motor 10 with the driving interlock of Sewing machines when arrow α direction is rotated, the rotation of output shaft 10a is given an axle sheet 7a by timing belt 12 transmissions, consequently, driven roller 7 rotations.At this moment, the band shape band T of driven rolls 7 and driven voller 8 clampings is supplied to constitute and makes the edge bearing card 5 of portion.In addition, as shown in Figure 3, carriage 13 extends to the both sides of toothed belt wheel 9, and axle sheet 7a is extended the 13a of portion, 13a by this and can support rotatably.
Between pedestal 2 and band feedway 6 (driven roller 7), dispose band cutting knife 14.This band cutting knife 14 has dead knife 15 and movable blade 16, and dead knife 15 is fixed on the lower surface of the tab 13b of carriage 13.Movable blade 16 can be fixed on the dead knife 15 rotatably by band shoulder bolt 15a, and the base portion of movable blade 16 links via linking the piston rod 18a of parts 17 with cylinder 18.The piston rod 18a of cylinder 18 can advance and retreat along its length.Cylinder 18 constitutes double-lift, has the first hole 18b and the second hole 18c.The first hole 18b is connected with the delivery outlet 19s of the first rapid escape valve 19A, and the second hole 18c is connected with the delivery outlet 19x of the second rapid escape valve 19B.Input hole 19t, the 19y of two rapid escape valve 19A, 19B is connected with electromagnetic valve 20, and electromagnetic valve 20 is connected with air supply source 21.Electromagnetic valve 20 has two valve 20a, 20b, and the switching of electromagnetic valve 20 is to carry out according to the cutter CRANK PULSES that produces when system with seam finishes.
On band feedway 6, set up air blast 22.Air blast 22 has and is trimming upwardly extending two ajutages 23,24 in side that device 4 leaves from blank, has air outlet 23a, 24a respectively at the front end of ajutage 23,24.As shown in Figure 4, air outlet 23a is towards the 12a of tooth portion of the timing belt 12 of the beginning part that constitutes and have toothed belt wheel 9 to mesh, and air outlet 24a is towards the 9a of tooth portion that toothed belt wheel 9 is arranged.That is, air outlet 23a, the 24a of ajutage 23,24 are in the ring of timing belt 12.In addition, the cardinal extremity of ajutage 23 is connected with the steam vent 19u of the first rapid escape valve 19A, and the cardinal extremity of ajutage 24 is connected with the steam vent 19z of the second rapid escape valve 19B.
One valve 20a of the signal at clear electromagnetic valve 20 that produces when finishing according to system with seam, then from air supply source 21 to the input hole 19t of first rapid escape valve 19A air supply.Thus, when the input hole 19t of the first rapid escape valve 19A opened, steam vent 19u closed.The air of supplying with input hole 19t passes through delivery outlet 19s and the first hole 18b of supply cylinder 18, and the piston rod 18a of cylinder 18 is advanced.Because of advancing of piston rod 18a, movable blade 16 is circled round to dead knife 15 sides, and banded band T is cut off.When piston rod 18a advances, supply with the delivery outlet 19x of the second rapid escape valve 19B via the second hole 18c from the part of air of first hole 18b supply.At this moment,, then close this hole 19y, open steam vent 19z if the input hole 19y of the second rapid escape valve 19B is in open mode.Supply with the ajutage 24 of the air of delivery outlet 19x, by the air outlet 24a conveying of ajutage 24 ends from steam vent 19z supply air blast 22.That is, the air of supplying with the delivery outlet 19x of the second rapid escape valve 19B can return solenoid valve 20, supplies with the ajutage 24 of air blast 22, thereby is removed attached to the flocking on the 9a of tooth portion that toothed belt wheel 9 is arranged.
Afterwards, when another valve 20b opens when in a valve 20a locking time, from air supply source 21 to the input hole 19y of second rapid escape valve 19B air supply.That is, the input hole 19y of the second rapid escape valve 19B opens, and steam vent 19z closes.The air of supplying with input hole 19y passes through delivery outlet 19x and the second hole 18c of supply cylinder 18, and the piston rod 18a of cylinder 18 retreats.Because of retreating of piston rod 18a, movable blade 16 is oppositely circled round, guarantee the supply space of banded band T.When supply 18a retreats, supply with the delivery outlet 19s of the first rapid escape valve 19A via the first hole 18b from the part of air of second hole 18c supply.At this moment, the input hole 19t of the first rapid escape valve 19A closes, and steam vent 19u opens.Supply with the ajutage 23 of the air of delivery outlet 19s, from the air outlet 23a air-supply of ajutage 23 ends from steam vent 19u supply air blast 22.That is, the air of supplying with the delivery outlet 19s of the first rapid escape valve 19A can return solenoid valve 20, and supplies with the ajutage 23 of air blast 22, is removed in tooth portion 9a the place ahead that toothed belt wheel 9 is arranged attached to the flocking on the 12a of tooth portion of timing belt 12.Like this, air blast 22 when system with seam finishes and the air air-supply that comes is at first carried out with respect to the 9a of tooth portion that toothed belt wheel 9 is arranged, then the 12a of tooth portion with respect to timing belt 12 carries out, even then flocking is not removed having on the toothed belt wheel 9, also can form the state that reduces to the adhesive force that toothed belt wheel 9 is arranged, near the 12a of tooth portion of timing belt 12, this flocking is removed reliably when being transferred air.
In the present embodiment, cylinder 18 constitutes double-lift, but also can be for single-lift, and at this moment, the air outlet that preferably makes air blast 22 is towards the tooth portion engagement beginning part that toothed belt wheel 9 and timing belt 12 are arranged.Under the situation that constitutes such structure, not only can play the basic role effect of the flocking that adheres in the tooth portion of removing toothed belt wheel 9 or timing belt 12, can also expect that component count lacks than double-lift, realize the effect on the cost.In addition, in the present embodiment, the air blast 22 when system with seam finishes and the air air-supply that comes is at first carried out with respect to the 9a of tooth portion that toothed belt wheel 9 is arranged, then the 12a of tooth portion with respect to timing belt 12 carries out, but is not limited to this.For example, the air air-supply that comes from air blast 22 also can be at first carried out with respect to the 12a of tooth portion of timing belt 12, then carries out with respect to the 9a of tooth portion that toothed belt wheel 9 is arranged.Under situation about constituting like this, be removed attached to the flocking on the 9a of tooth portion, the 12a that toothed belt wheel 9 or timing belt 12 are arranged.
In addition, even the air outlet that makes ajutage towards constitute with the engagement that toothed belt wheel 11 is arranged begin part timing belt 12 tooth portion or have under the situation of tooth portion of toothed belt wheel 11, though be removed attached to the flocking in the tooth portion that toothed belt wheel 11 sides are arranged, but, then might fall and attached on the 9a of tooth portion that toothed belt wheel 9 is arranged from the flocking that has toothed belt wheel 11 to remove if do not continue to use Sewing machines and do not let go unchecked.
And then in the present embodiment, the air that constitutes a hole that flows into cylinder 18 goes out to another orifice flow, but is not limited to this.For example, also can change to following structure as shown in Figure 5, that is, the seal 18aa that is fixed on the piston rod 18a was ended by stop 18d, 18d card before arriving delivery outlet 18b, 18c, thereby the indoor air that only will be trapped in cylinder 18 flows out from corresponding aperture.In addition, also can be on the inwall of cylinder 18 with stop 18d, 18d predetermined fixed.If form such structure, then when piston rod 18a advanced, the air that is trapped in the indoor front of cylinder 18 was supplied with to the delivery outlet 19x of the second rapid escape valve 19B from the second hole 18c.On the contrary, when piston rod 18a retreated, the air that is trapped in the indoor base end side of cylinder 18 was supplied with to the delivery outlet 19s of the first rapid escape valve 19A from the first hole 18b.Supplying with the air of delivery outlet 19x, 19s at first similarly supplies with to the ajutage of air blast 22 with above-mentioned embodiment.
Claims (3)
1, a kind of Sewing machines with the band feedway, it has:
Sewing machines, its blank of Sewing machines interlock type that has pedestal and be configured in the next door of this pedestal trims device;
Driven roller, it has first toothed belt wheel is arranged, with the banded band of driven voller clamping;
Motor, it has by what timing belt and first had that toothed belt wheel links and second toothed belt wheel is arranged, and is corresponding with the driving of Sewing machines and have toothed belt wheel to give the rotation of ormal weight to second;
Movable blade, it is configured between pedestal and the driven roller, and cut-out is banded with dead knife association is moving is with,
Described with the band feedway Sewing machines be characterised in that,
Have air blast, it has the air outlet in the ring of timing belt, blows from air outlet with the action interlock of movable blade.
2, the Sewing machines with the band feedway as claimed in claim 1 is characterized in that,
The action of movable blade is undertaken by cylinder,
The rapid escape valve that is arranged in the air pipe arrangement of cylinder is connected with air blast.
3, the Sewing machines with the band feedway as claimed in claim 2 is characterized in that,
The seal of the base end side that cylinder has the piston rod that can advance and retreat along its length, be fixed in piston rod and with the seal stop that card ends before arriving delivery outlet, thus the air that is trapped in cylinder indoor is flowed out from corresponding delivery outlet.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008155379 | 2008-06-13 | ||
| JP2008155379 | 2008-06-13 | ||
| JP2009081160 | 2009-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101603250A true CN101603250A (en) | 2009-12-16 |
Family
ID=41469144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2009101406632A Pending CN101603250A (en) | 2008-06-13 | 2009-06-12 | Sewing machines with the band feedway |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5180892B2 (en) |
| CN (1) | CN101603250A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102936810A (en) * | 2011-08-16 | 2013-02-20 | 苏州优曼时装有限公司 | Automatic pulling mechanism of sewing machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5269257A (en) * | 1991-07-25 | 1993-12-14 | Pegasus Sewing Machine Mfg., Ltd. | Method and apparatus for sewing tape in a sewing machine |
| JPH1133265A (en) * | 1997-07-21 | 1999-02-09 | Brother Ind Ltd | Device for removing dust in sewing machine |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52163143U (en) * | 1976-06-03 | 1977-12-10 | ||
| JPH04164490A (en) * | 1990-10-29 | 1992-06-10 | Brother Ind Ltd | Lower thread remaining amount sensing device of sewing machine |
-
2009
- 2009-03-30 JP JP2009081160A patent/JP5180892B2/en not_active Expired - Fee Related
- 2009-06-12 CN CNA2009101406632A patent/CN101603250A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5269257A (en) * | 1991-07-25 | 1993-12-14 | Pegasus Sewing Machine Mfg., Ltd. | Method and apparatus for sewing tape in a sewing machine |
| JPH1133265A (en) * | 1997-07-21 | 1999-02-09 | Brother Ind Ltd | Device for removing dust in sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5180892B2 (en) | 2013-04-10 |
| JP2010017529A (en) | 2010-01-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3955765A (en) | Whole tree chipper | |
| CN1062228C (en) | Strap severing and ejecting apparatus and method for strapping machine | |
| CN101603250A (en) | Sewing machines with the band feedway | |
| IE38881L (en) | Web severing | |
| US5086681A (en) | Book feeding and trimming apparatus | |
| DE2536558A1 (en) | DEVICE FOR CUTTING A STACK OF SHEETS WITH A ROUND KNIFE | |
| CN207682530U (en) | Fibrous paper cutting machine | |
| CA2720882A1 (en) | Device and method for production of bags | |
| CN211590866U (en) | Plastic particle granulator suitable for processing products with different sizes | |
| US6769435B2 (en) | Cigarette maker outfeed unit | |
| CN209140975U (en) | Separating zipper double-pole cutting machine | |
| CN101134540B (en) | Automatic belt cutter | |
| DE1660880A1 (en) | Quilting machine | |
| CN112644084B (en) | Seven characters incision braided bags apparatus for producing | |
| CA2198197C (en) | Clipping trash gate for trimming strip of sheet material | |
| US6659855B2 (en) | Device for separating sausages from a string of sausages | |
| CN213860982U (en) | Special-shaped bag punching cutter device | |
| JP2804725B2 (en) | Eel incision device | |
| CN205617072U (en) | Cotton -wadded quilt automatic identification cutting machine | |
| CN106926504B (en) | A kind of hardware clothes hanger multistage recyclable device | |
| KR101742811B1 (en) | Paper punching device using lazer | |
| CN201186992Y (en) | Cutting apparatus of sewing machine | |
| CN205931498U (en) | Wrapping bag production is organized with virtual cutter | |
| CN204938255U (en) | Steering swivel apron quantitive conveyor structure | |
| CN214448990U (en) | Seven characters of incisions braided bag open a mouthful folding edging mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20091216 |