CN1519411A - Feed-in device of sewing machine - Google Patents
Feed-in device of sewing machine Download PDFInfo
- Publication number
- CN1519411A CN1519411A CNA031107885A CN03110788A CN1519411A CN 1519411 A CN1519411 A CN 1519411A CN A031107885 A CNA031107885 A CN A031107885A CN 03110788 A CN03110788 A CN 03110788A CN 1519411 A CN1519411 A CN 1519411A
- Authority
- CN
- China
- Prior art keywords
- feed station
- seal
- dividing plate
- sewing machines
- feeder
- 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.)
- Granted
Links
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Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/24—Feed-dog lifting and lowering devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B33/00—Devices incorporated in sewing machines for supplying or removing the work
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B35/00—Work-feeding or -handling elements not otherwise provided for
- D05B35/02—Work-feeding or -handling elements not otherwise provided for for facilitating seaming; Hem-turning elements; Hemmers
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B71/00—Lubricating or cooling devices
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
Provided is a feed device for a sewing machine, by which durability is raised in seal bodies to be put through a feed table, and also oil is prevented from leaking from the partially projected part of the feed table in a sewing machine frame. A seal body guide 11, a partitioning board 4, and a seal body guide 12 are fixedly arranged in this order in front of a feed table guide 5 arranged in the window part 2 of the sewing machine frame 1. The seal bodies 15, 16 to be put through the feed table A are disposed in front and rear places by holding the partitioning board 4 between them, and arranged so as to be vertically movable respectively. The vertical movement of both the seal bodies 15, 16 is guided by the partitioning board 4 and the seal body guides 11, 12, and the movement in a front and a rear direction is restricted. When the feed table A is elliptically moved, the first seal body 15 energizes the through-hole 4a of the partitioning board 4 when the feed table A is moved forward, and the second seal body 16 energizes the through-hole 4a in the case of the backward movement. Thus, the through-hole 4a of the partitioning board 4 is blocked off at all times.
Description
Technical field
The present invention relates to the middle feeders that utilize the feeding tooth of doing elliptical motion to carry cloth such as chain stitch Sewing machines, more particularly, this Sewing machines feeder that relates to has and sends feed station that tooth links to each other to through the out-of-date sealing mechanism that can prevent oil leak.
Background technology
In the existing sewing machine feeder, utilize the seal that is inserted on the feed station to prevent leakage of oil (for example referring to Patent Document 1).Feed station links to each other with the front and back driving mechanism with known driving mechanism up and down, and the end of feed station is more outstanding than the dividing plate on the opening portion (cut part) that is fixed on sewing housing front portion.Sending on the end that tooth is installed in feed station, the seal that can slide up and down is arranged on the rear side of dividing plate.In addition, with spring bearer plate seal is pressed on the dividing plate.
For the existing Sewing machines feeder with said structure, when carrying out the Sewing machines driving, feed station is carried out elliptical motion in ground, front and back up and down along the cloth feeding direction, utilizes general known oil supply mechanism supplying lubricating oil in the Sewing machines housing.Be accompanied by the elliptical motion of feed station this moment, while seal slides up and down the lubricating oil of intercepting and capturing attached on the feed station, thereby lubricating oil can not be used for the through hole of feed station to external leakage from dividing plate.
In the existing sewing machine feeder, seal is to be pressed on the dividing plate and to can slide up and down with spring bearer plate, and therefore, the problem of existence is, in case the high-speed driving Sewing machines will make the seal life-span descend; And,, will worry on the sliding contact surface of seal and feed station, the gap to occur, thereby can not intercept and capture lubricating oil fully if seal was followed feed station and occurred distortion when moving up and down this moment.For fear of this problem occurring, if alleviate the pressure of spring bearer plate,, will between seal and dividing plate, produce the gap along with feed station seesaws, lubricating oil immerses from described gap.When the arrival dividing plate was used for the through hole of feed station between the lubricating oil that immerses from described gap is by seal and dividing plate, the outer leakage of oil phenomenon of Sewing machines housing probably will appear.
Summary of the invention
In view of the above problems, the Sewing machines feeder that the purpose of this invention is to provide can prevent that lubricating oil from leaking into the outside by the through hole that is used for feed station on the dividing plate, improves the life-span that is inserted in the seal on the feed station simultaneously.
In order to achieve the above object, Sewing machines feeder of the present invention, have from the opening portion of Sewing machines housing front outstanding feed station, the driving mechanism up and down that links to each other with feed station and front and back driving mechanism, be set at above-mentioned opening portion dividing plate, be set at described dividing plate back and can move up and down and be inserted in first seal on the feed station; When up and down driving mechanism is with front and back driving mechanism cooperative motion, first seal is pressed against on the side of dividing plate, the tooth of sending to that is installed in the feed station end partly moves along elliptical orbit in the sewing of Sewing machines; It is characterized in that second seal of forming by at least one element across dividing plate and in a side setting opposite that can move up and down with first seal; This second seal is connected insert feed station, when feed station when elliptical orbit moves, at least one seal in two seals is pressed against on the dividing plate, all the time the through hole that is used for feed station on the dividing plate is blocked.
In addition, above-mentioned two seals can be moved up and down by the コ font sealing guide plate guiding that is fixedly installed on dividing plate front and back side respectively.Above-mentioned sealing guide plate bottom can be at Sewing machines housing inner opening.In addition, the feed station targeting part to feed station motion channeling conduct can be set at the opening portion of Sewing machines housing front, and two seals, dividing plate and above-mentioned sealing guide plate be arranged on the front side of feed station targeting part.
In addition, can make described two seals by plate shape elastomer.Second seal preferably is made up of multiple elements.
According to the present invention, because first seal and second seal are provided with in the mode of clamping dividing plate and can move up and down respectively, when feed station was advanced, first seal of rear side was pressed against on the dividing plate; When feed station retreated, second seal of front side was pressed against on the dividing plate.In this way, at the opening portion of Sewing machines housing, the through hole that is used for feed station on the dividing plate is blocked often.In addition, if two seals are moved up and down by the sealing guide plate guiding of the コ font that is fixedly installed on dividing plate front and back side respectively, the together motion of two seals that caused when feed station is carried out elliptical motion will be limited near the dividing plate.In addition, when above-mentioned sealing guide plate bottom during at Sewing machines housing inner opening, the lubricating oil that sealed body is intercepted and captured mainly through the sealing guide plate internal reflux of コ font in the Sewing machines housing.If two seals are made of elastic plate, can improve two seals and the sealing of being inserted in logical the two sliding part of feed station; If particularly second seal is made of a plurality of elements, can further prevent to the second seal front side leakage of oil.
Description of drawings
Fig. 1 is a fragmentary, perspective view, shows the major part of Sewing machines feeder of the present invention;
Fig. 2 is the overall side view of Sewing machines feeder of the present invention;
Fig. 3 is an exploded view, shows the critical piece of Sewing machines feeder of the present invention;
Fig. 4 is a local key diagram that amplifies, and shows the active state of seal when Sewing machines feeder of the present invention moves;
Fig. 5 is the critical piece exploded view, shows another of seal guide in the Sewing machines feeder of the present invention
Embodiment;
Fig. 6 is the critical piece exploded view, shows the another of seal guide in the Sewing machines feeder of the present invention
Embodiment;
The specific embodiment
Hereinafter introduce embodiments of the present invention in conjunction with the accompanying drawings.Shown in Fig. 1～3, the feed station A of feeder by about the main feed station 7 and the differential feed station 8 that are arranged side by side form, stretch out forward from the opening portion 2 of Sewing machines housing 1 front the end of feed station A.The bight block 27 of intercalation free to rotate in main shaft 6 eccentric part 25 supporting middle forked section 7a and the 8a of feed station A, when main shaft 6 rotates, sends feed station A by bight block 27 to moving up and down.The axle 30 that is set on Sewing machines 1 housing utilizes bight block 28 supporting the forked section 7b and the 8b at feed station A rear portion.Main feed station 7 links to each other with crank 32 by connecting rod 31.Differential feed station 8 links to each other with the slide block 24a of crank 24 by connecting rod 23.By the rotation of main shaft 26, crank 24 and 32 interlocks swing, and will seesaw sends feed station 7 and 8 to.
Said structure has shown the part of the driving mechanism up and down and the front and back driving mechanism of known feeder, utilize not shown power source, when main shaft 6 rotates, these two mechanism's cooperative motions of driving mechanism and front and back driving mechanism up and down, feed station A is along elliptical orbit R arrow direction shown in Figure 2.By this kind mode, the tooth 9 and 10 of sending to that is contained on the feed station A is carried cloth along direction shown in the arrow F in the sewing part of Sewing machines.
As shown in figs. 1 and 3, feed station targeting part 5 is arranged on opening portion 2 places of Sewing machines housing 1 front portion, utilizes screw 13 that the coupling part of feed station targeting part 5 is fixed on the Sewing machines housing 1.Opening portion 2 has the cut part of spill.In addition,, be provided with the sealing guide plate 11,12 and the dividing plate 4 of コ font, utilize screw 14, these parts are fixed on the coupling part of feed station targeting part 5 in the front side of feed station targeting part 5.That is to say that dividing plate 4 is set in the opening portion 2 of front portion of Sewing machines housing 1, sealing guide plate 11,12 is fixedly installed on the front and back side of dividing plate 4.Form the groove 11b that extends along the vertical direction on the front surface of sealing guide plate 11, on the top of groove 11b, F is formed with rectangular through-hole 11a along the cloth feeding direction; Top at dividing plate 4 is formed with rectangular through-hole 4a along cloth feeding direction F equally.Through hole 4a, 11a are rectangular openings, and its cross section is also bigger than vertical section at feed station A middle part.First seal 15 is by intercalation rear side of dividing plate 4 just in the groove 11b of sealing guide plate 11, and can the slip of easy on and off ground.First seal 15 is the elastomer that utilizes the rectangle plate to form, for example elastomer that is formed by polyurethane.Form the rectangular through-hole 15a that feed station A can insert at an upper portion thereof.
In addition, in the present embodiment, on sealing guide plate 11, be formed with rectangular through-hole 11a, but also can on sealing guide plate 11, form concave channels 11c as shown in Figure 5.In addition, as shown in Figure 6, the groove 5b that also can just be formed on the part of feed station targeting part 5 on feed station targeting part 5 front portions replaces sealing guide plate 11, can slide up and down to intercalation to first seal 15 in groove 5b.In the present embodiment, sealing guide plate 11,12 and dividing plate 4 are fixed on certain position of feed station targeting part 5, but are not limited to this mode, and sealing guide plate 11,12 and dividing plate 4 also can be fixed on the Sewing machines housing 1.
Form the groove 12b that extends along the vertical direction on the rear surface of sealing guide plate 12, the feeding direction F on the top of groove 12b along cloth forms through hole 12a.Through hole 12a is a rectangular opening, and its cross section is also bigger than vertical section at feed station A middle part. Second seal 16,16 by intercalation in the groove 12b of sealing guide plate 12, and can easy on and off ground slip. Second seal 16,16 is connected and forms at fore-and-aft direction by two members identical with first seal 15.Form rectangular through- hole 16a, 16a on the top of second seal 16,16 in addition.That is to say that second seal 16,16 and first seal 15 lay respectively at the both sides of dividing plate 4, and can slide up and down.
Insert through hole 4a, second seal 16 and 16 of through hole 11a that logical order is followed successively by feed station targeting part 5, sealing guide plate 11, first seal 15, dividing plate 4, the through hole 12a of sealing guide plate 12 to feed station A end, these parts are set at feed station A end and are positioned at the front side of opening portion 2.The spigot surface 5a sliding-contact of two sides and feed station targeting part 5 about feed station A, through hole 16a, 16a and flexibly sliding-contact of feed station A on the through hole 15a on first seal 15 and second seal 16,16, that is to say that through hole 15a, 16a, 16a and its periphery have elasticity at least.Through hole 15a, 16a, 16a are slidably near feed station A.Utilize the screw (not shown) to send the master to end that tooth 9 is installed in main feed station 7; Utilize screw 34 to send the end that tooth 10 is installed in differential feed station 8 to differential.The described tooth 9 and 10 of sending to is set at the place ahead that seals guide plate 12.And the cover plate 3 that the top of sealing guide plate 11,12 and dividing plate 4 is used to cover Sewing machines housing 1 top covers, and the bottom that seals guide plate 11,12 and dividing plate 4 contacts with the sweep 1a of the Sewing machines housing 1 that is formed on opening portion 2 the place aheads.In addition, the bottom of sealing guide plate 11,12 is at Sewing machines housing 1 inner opening.Lubricating oil by first seal 15 and 16,16 intercepting and capturing of second seal mainly flows back in the Sewing machines housing 1 by the inside of sealing guide plate 11 and 12.
Hereinafter introduce the operation of Sewing machines feed mechanism with said structure.Utilize power source not shown in the figures, when main shaft shown in Figure 26 was rotated counterclockwise, feed station A was along the elliptical orbit R arrow direction of above-mentioned form.At this moment, though first seal 15 is being followed moving up and down of feed station A and moved up and down in groove 11b, utilize sealing guide plate 11 and dividing plate 4 to limit it and move at fore-and-aft direction.Equally, second seal 16,16 also moves up and down in groove 12b, but utilizes sealing guide plate 12 and dividing plate 4, limits it and moves at fore-and-aft direction.In addition, in the driving of Sewing machines, continuous supplying lubricating oil in Sewing machines housing 1.
In the elliptic motion of above-mentioned feed station A, when feed station A advanced against the feeding direction F of cloth, this moment, first seal 15 was pressed against on the dividing plate 4 from rear side, shelters from the through hole 4a on the dividing plate 4 shown in Fig. 4 (a).And, when feed station A when the feeding direction F of cloth retreats, shown in Fig. 4 (b), second seal 16 side pressures in the past leans against on the dividing plate 4 and blocks through hole 4a on the dividing plate.That is to say that when feed station A moves, make that at least one seal is pressed against on the dividing plate 4 in first seal 15 and second seal 16, the through hole 4a on the dividing plate 4 is blocked all the time.Utilize the effect of this seal, it is also minimum that the through hole 4a by dividing plate 4 flows to the lubricating oil maximum of dividing plate 4 front sides.And, almost to be intercepted and captured by first seal 15 entirely attached to the lubricating oil on the feed station A, very a spot of residual lubricating oil is is also intercepted and captured by second seal 16 when feed station A advances.In addition, second seal 16 is made of two elements, and second seal 16 is made by polyurethane, just will two links together before and after the elements and constitutes second seal 16, can further prevent the front side leakage of oil to second seal 16.Flow to the less amount of lubrication oil of dividing plate 4 front sides, when feed station A retreats, turn back to the rear side of dividing plate 4 by the through hole 4a of dividing plate 4.Perhaps flow to the below along dividing plate 4 front sides, the sweep 1a by Sewing machines housing 1 is back in the Sewing machines housing 1.
Above describe the present invention.According to the present invention, when feed station was carried out elliptic motion, at least one seal was pressed against on the dividing plate in two seals, because the through hole on the dividing plate is blocked all the time, can stop lubricating oil to leak from the through hole on the dividing plate.In addition, two seal associated movements that generated in the time of will carrying out elliptic motion by feed station owing to the sealing guide plate that utilizes the コ font are limited near the dividing plate, can improve the service life of two seals.In addition, owing to the feed station targeting part of feed station guiding usefulness is arranged on the opening portion of sewing machine body front, simultaneously, two seals, dividing plate and above-mentioned sealing guide plate are arranged on the place ahead of feed station targeting part, can therefore, can contain that the sintering of feed station and temperature raise to feed station targeting part ample supply lubricating oil, when seal damages, can change easily.
Claims (6)
1, a kind of Sewing machines feeder, have from the opening portion of Sewing machines housing front outstanding feed station, the driving mechanism up and down that links to each other with described feed station and front and back driving mechanism, be set at the dividing plate of above-mentioned opening portion, be set at described dividing plate back and can move up and down and be inserted in first seal on the feed station; When up and down driving mechanism and front and back driving mechanism cooperative motion, first seal is pressed against on the side of dividing plate; The tooth of sending to that is installed in the feed station end moves along elliptical orbit in the sewing part of Sewing machines, it is characterized in that: across dividing plate and in a side setting opposite with first seal by second seal that can move up and down more than at least one, this second seal is connected insert feed station, when feed station when elliptical orbit moves, at least one seal in two seals is pressed against on the dividing plate, all the time the through hole that is used for feed station on the dividing plate is blocked.
2, according to the described Sewing machines feeder of claim 1, it is characterized in that: two seals are led by the コ font sealing guide plate that is fixedly installed on dividing plate front and back side respectively, can move up and down.
3, according to the described Sewing machines feeder of claim 2, it is characterized in that: above-mentioned sealing guide plate bottom is at Sewing machines housing inner opening.
4, according to claim 2 or 3 described Sewing machines feeders, it is characterized in that: in the opening portion of Sewing machines housing front, be provided with feed station targeting part feed station motion channeling conduct; Two seals, dividing plate and above-mentioned sealing guide plate are arranged on the front side of feed station targeting part.
5, according to the described Sewing machines feeder of claim 1～4, it is characterized in that: the material that constitutes described two seals is the elastomer of tabular moulding.
6, according to the described Sewing machines feeder of claim 5, it is characterized in that: second seal is made up of multiple elements.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003030820A JP4236948B2 (en) | 2003-02-07 | 2003-02-07 | Sewing machine feeder |
| JP2003030820 | 2003-02-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1519411A true CN1519411A (en) | 2004-08-11 |
| CN100558967C CN100558967C (en) | 2009-11-11 |
Family
ID=32957603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031107885A Expired - Lifetime CN100558967C (en) | 2003-02-07 | 2003-03-27 | The feeder of Sewing machines |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4236948B2 (en) |
| KR (1) | KR20040073954A (en) |
| CN (1) | CN100558967C (en) |
| TW (1) | TWI325905B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101581018A (en) * | 2008-05-12 | 2009-11-18 | 飞马缝纫机制造株式会社 | Arm out type sewing machine |
| CN1710178B (en) * | 2004-06-18 | 2011-09-07 | 飞马缝纫机制造株式会社 | Oil-leakage-proof device of sewing machine |
| CN102268786A (en) * | 2010-06-07 | 2011-12-07 | Juki株式会社 | cloth feeding mechanism of sewing machine |
| CN101139787B (en) * | 2006-09-05 | 2012-03-07 | 高林股份有限公司 | Leak-proof arrangement for feeding appliance of sewing machine |
| CN101265641B (en) * | 2007-03-13 | 2012-11-07 | 飞马缝纫机制造株式会社 | Feeding device for cylinder-shaped sewing machine |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4547672B2 (en) * | 2005-02-28 | 2010-09-22 | ヤマトミシン製造株式会社 | Oil leakage prevention and dustproof device for sewing machine |
| JP6122592B2 (en) * | 2012-09-19 | 2017-04-26 | ペガサスミシン製造株式会社 | Cylinder bed sewing machine |
| JP6395135B2 (en) * | 2015-04-15 | 2018-09-26 | ヤマトミシン製造株式会社 | sewing machine |
| CN114197118B (en) * | 2021-11-19 | 2023-02-28 | 黄山世龙寝具股份有限公司 | Production facility of integral type bedding cloth can shirk |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2629713C3 (en) * | 1976-07-02 | 1979-01-04 | Pfaff Industriemaschinen Gmbh, 6750 Kaiserslautern | Sealing device for a sewing machine housing opening |
| IT1123558B (en) * | 1979-09-07 | 1986-04-30 | Rockwell Rimoldi Spa | LUBRICANT SEALING DEVICE FOR A WORK TRANSPORT DEVICE OF A SEWING MACHINE |
| US4295434A (en) * | 1979-10-24 | 1981-10-20 | Union Special Corporation | Feed mechanism for sewing machines |
-
2003
- 2003-02-07 JP JP2003030820A patent/JP4236948B2/en not_active Expired - Fee Related
- 2003-03-27 CN CNB031107885A patent/CN100558967C/en not_active Expired - Lifetime
- 2003-12-26 KR KR1020030097256A patent/KR20040073954A/en not_active Application Discontinuation
-
2004
- 2004-02-05 TW TW093102564A patent/TWI325905B/en not_active IP Right Cessation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1710178B (en) * | 2004-06-18 | 2011-09-07 | 飞马缝纫机制造株式会社 | Oil-leakage-proof device of sewing machine |
| CN101139787B (en) * | 2006-09-05 | 2012-03-07 | 高林股份有限公司 | Leak-proof arrangement for feeding appliance of sewing machine |
| CN101265641B (en) * | 2007-03-13 | 2012-11-07 | 飞马缝纫机制造株式会社 | Feeding device for cylinder-shaped sewing machine |
| CN101581018A (en) * | 2008-05-12 | 2009-11-18 | 飞马缝纫机制造株式会社 | Arm out type sewing machine |
| CN101581018B (en) * | 2008-05-12 | 2013-05-08 | 飞马缝纫机制造株式会社 | Arm out type sewing machine |
| CN102268786A (en) * | 2010-06-07 | 2011-12-07 | Juki株式会社 | cloth feeding mechanism of sewing machine |
| CN102268786B (en) * | 2010-06-07 | 2014-09-24 | Juki株式会社 | Cloth feeding mechanism of sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4236948B2 (en) | 2009-03-11 |
| JP2004236945A (en) | 2004-08-26 |
| TW200427891A (en) | 2004-12-16 |
| TWI325905B (en) | 2010-06-11 |
| KR20040073954A (en) | 2004-08-21 |
| CN100558967C (en) | 2009-11-11 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20091111 |