CN101368319B - Feeder for feeding sewing material while operating a sewing machine and related sewing machine - Google Patents
Feeder for feeding sewing material while operating a sewing machine and related sewing machine Download PDFInfo
- Publication number
- CN101368319B CN101368319B CN200810129878XA CN200810129878A CN101368319B CN 101368319 B CN101368319 B CN 101368319B CN 200810129878X A CN200810129878X A CN 200810129878XA CN 200810129878 A CN200810129878 A CN 200810129878A CN 101368319 B CN101368319 B CN 101368319B
- Authority
- CN
- China
- Prior art keywords
- feeder
- needle plate
- base portion
- portion body
- feeding part
- 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.)
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Links
- 238000009958 sewing Methods 0.000 title claims abstract description 37
- 239000000463 material Substances 0.000 title abstract description 5
- 230000007704 transition Effects 0.000 claims description 34
- 230000002093 peripheral effect Effects 0.000 claims description 24
- 239000004744 fabric Substances 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 4
- 230000003993 interaction Effects 0.000 claims description 3
- 238000010417 needlework Methods 0.000 description 11
- 239000000758 substrate Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 206010017577 Gait disturbance Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000002271 resection Methods 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
-
- 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
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
- D05B27/08—Work-feeding means with feed dogs having horizontal and vertical movements with differential feed motions
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B35/00—Work-feeding or -handling elements not otherwise provided for
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B51/00—Applications of needle-thread guards; Thread-break detectors
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention relates to a transport unit (17) for transporting sewing materials while operating a sewing machine comprising at least a transport section (28, 28a) which is configured to frictional cooperate with sewing materials and implement a transport motion in a needle plate recess of the needle plate; and a basic body (29) through which the transport section (28, 28a) is connected to a transport unit bracket. An edge contour (32) of the transport section (28, 28a) verges into an edge contour (33) of a basic body seen with mounted feeder 17 in a projection on a needle plate-planar.
Description
Technical field
The present invention relates to a kind of for the feeder at Sewing machines operating period feeding fabric, this feeder comprises at least one feeding part and a base portion body, described feeding partial design becomes to be used for the ground interaction of fabric friction-type and is used for carrying out feed motion at the needle plate recess of needle plate, and the feeding part is connected to a feeder support rigidly by described base portion body.
Background technology
Openly use known such feeder by existing.Under disadvantageous operating condition, the feeding part that needlework undesirably are wound around feeder may occur, this is also referred to as " kinking ".This can cause the operating trouble of Sewing machines, particularly causes undesirable needlework of pulling apart.
Summary of the invention
The objective of the invention is to develop a kind of feeding (feeding, feed) device that starts described type, in order to prevent undesirable kinking.
According to the present invention, described purpose realizes by a kind of feeder, wherein, can find out the projection on needle plate plane from mounted feeder, and the peripheral profile of feeding part jointlessly is combined with the peripheral profile of base portion body.
The present invention is based on the following fact: due to the jointless peripheral profile of feeder, make not exist at the feeder place to allow the edge that is wound around in undesirable mode at the needlework ring that sewing needle operating period forms, therefore undesirable kinking can be avoided.
Utilize web to form a peripheral profile transition member between feeding part and base portion body, from the projection of mounted feeder on the needle plate plane, this web equals the width of this base portion body at the width to base portion body transition position, and equal this feeding width partly at the width to feeding part transition position, the material that such web needs is few, can prevent reliably undesirable kinking simultaneously.
Make the width with linear change of transition member between transition, this transition member will be easy to make.
Make web each transition portion perpendicular to the thickness on needle plate plane less than the thickness of feeding part and the thickness of base portion body, this web only needs a small amount of especially material.
During operating, the crosspointer that a kind of feeder design namely is used in Sewing machines also can prevent undesirable kinking, this feeder design comprises a feeding part, this feeding comprises that partly two feeding parton disposed adjacent one another unit are to be used in two-needle sewing machine, wherein, from the projection base portion body of mounted feeder on the needle plate plane, the peripheral profile of feeding part all jointlessly is combined in the both sides of feeder with the peripheral profile of base portion body.
A kind of Sewing machines has advantages of that this Sewing machines comprises: with the needle plate of needle plate recess with top described corresponding about feeder of the present invention; The shank that comprises attaching sewing needle thereon, described shank are actuated to move up and down above stitching plate (needle plate); And according to feeder of the present invention, this feeder is arranged in the needle plate recess to carry out feed motion.
Description of drawings
The below illustrates embodiments of the invention in further detail by accompanying drawing, in the accompanying drawings:
Fig. 1 illustrates the side view that is shown the Sewing machines of some interior details by Partial Resection;
Fig. 2 illustrates amplification and the more detailed view that forms the zone according to the stitching of the Sewing machines of Fig. 1, and comprising Sewing machines, line hook and fabric feeder, feeder is designed for two-needle sewing machine;
Fig. 3 illustrates the view according to direction III in Fig. 2;
Fig. 4 illustrates the perspective view according to the feeder of the embodiment of Fig. 2 and 3;
Fig. 5 illustrates the top view according to the feeder of Fig. 4, namely after installing by on the needle plate plane that projects to Sewing machines the time visible view;
Fig. 6 illustrates the upward view according to the feeder of Fig. 4;
Fig. 7 is similar to Fig. 4, and the perspective view of the feeder that is used for single needle sewing machine of another embodiment is shown;
Fig. 8 illustrates the top view according to the feeder of Fig. 7;
Fig. 9 illustrates the upward view according to the feeder of Fig. 7.
The specific embodiment
Sewing machines 1 comprises substrate 2, and this substrate has column 3 and the crooked arm 4 from substrate to upper process.The end of described arm 4 is head 5.Arm axle 6 is installed being used in arm 4 rotations, this arm axle 6 drives the crank driver 7 with thread take-up tension lever 8 that is arranged in head 5.Be connected to crank driver 7 activity the shank 9 that is mounted for displacement in head 5.Described shank 9 has sewing needle 10 in its lower end.Sewing needle 10 can move up and down due to crank driver 7, and sewing needle 10 moves in a space.In the one pinprick, sewing needle 10 guiding are by the needlework 13 of bobbin 12 via wire tensioning device and thread take-up tension lever 8 supplies.
Supporting plate or needle plate 14 are installed on substrate 2, and this supporting plate 14 upper berths are placed with a slice fabric 15.Supporting plate 14 comprises feeding head (feed dog) opening or needle plate recess 16, and it forms and allows feeder or feeding head 17 to pass through.The feeder 17 that is designed for two-needle sewing machine has two stitching holes 18 disposed adjacent one another on perpendicular to the direction of making direction N, 18a, wherein, as shown in Figure 3, only has i.e. more on the lower the stitching hole-be used in Fig. 3 of stitching hole 18-, in other words, being sewed pin 10 passes.Feeder 17 is by a feeding and lifting driver drives, and this feeding and lifting driver are driven below substrate 2.
Be provided with a line hook 19 below supporting plate 14, this line hook 19 comprises the line coupler body 20 with bill 21.Line coupler body 20 is rigidly connected to an axle, and this axle has the vertical-rotation-axis 22 that is parallel to shank 9 extensions.This axle is mounted to rotation in rest pad 23 on being screwed to substrate 2.In this rest pad 23, power transmission shaft 24 is installed also, this power transmission shaft is connected to the gear drive that is arranged in rest pad 23.Power transmission shaft 24 by belt driver 25 activity be connected to arm axle 6.
The stitching that Fig. 2 and 3 illustrates Sewing machines 1 forms regional more detailed view.Wherein show sewing needle 10 along the situation that is moved out of stitching hole 18 towards the direction of top dead-centre.Below stitching hole 18, needlework 13 form needlework rings 26, and in interleaving process subsequently, this needlework ring and bobbin thread 27 interweave.Bobbin thread 27 is supplied to stitching and forms the zone by bobbin cylinder in online coupler body 20 or winding reel 27a are set.
Fig. 4-6 illustrate the detailed view of feeder 17.Feeder 17 comprises two upper feeding parts 28,28a, they respectively in the stitching hole 18, the both sides of 18a have a surface that forms the zigzag ripple, to be used for and fabric 15 friction-type ground interactions.Activated by feeding and lifting driver, feeding part 28 in feeding head opening 16-namely in the needle plate recess-carry out feed motion.
Corresponding with the division of the feeder 17 that comprises two stitching holes 18,18a, be included in perpendicular to described two feeding parts 28,28a disposed adjacent one another on the direction of making direction N according to the feeder 17 of Fig. 2-6.Between these feeding parts 28,28a, be furnished with a web 30 in needle plate 14, this web is divided into two local openings 16,16a for feeding part 28,28a with feeding head opening 16.
Above base portion body 29, feeding part 28,28a are rigidly connected to the feeder support that form is backbar 29a, and this backbar 29a is formed for the feeding of feeder 17 and the part of lifting driver.
The top view of Fig. 5 illustrates, and when going to see feeder 17 with top view, in other words, when mounted feeder 17 projected on needle plate plane 34, the peripheral profile 32 of feeding part 28,28a jointlessly was combined with the peripheral profile 33 of base portion body 29.This is guaranteed by a peripheral profile transition member 35 without the transition of seam formula, and this periphery profile transition piece is by forming at the peripheral profile 32 of feeding part 28,28a and the transition web between base portion body 29.As visible in the top view of Fig. 5, in other words, by the projection of feeder 17 on needle plate plane 34 as seen, the width to base portion body 29 transition positions of transition web 35 equals the width of this base portion body 29, and equals the overall width of these feeding parts 28,28a at the width to feeding part 28,28a transition position.Between these transition portions, transition member 35 has the width of linear change.With needle plate plane 34 vertically, transition member 35-is web-a have thickness 36, when towards the transition position of feeding part 28,28a with when the transition position of base portion body 29 is measured, this thickness is less than the thickness of feeding part 28,28a and the thickness of base portion body 29.
In the design of the crosspointer of Fig. 2-6, the peripheral profile 32 of feeding part 28,28a all jointlessly is combined in the both sides of feeder 17 with the peripheral profile 33 of base portion body 29, this according to the projection on needle plate plane 34 of Fig. 5 as seen.By peripheral profile transition member 35, this has guaranteed that without the transition of seam formula when the Sewing machines that uses according to Fig. 3, needlework ring 26 will never undesirably be wound around one of feeding part 28,28a or be wound around the operating trouble that this winding of feeding part 28-may cause Sewing machines 1.Needlework ring 26 is along peripheral profile 32,33 and slide along peripheral profile transition member 35, and can not be subject to the obstruction at edge, in other words, and the projection hook that feeder 17 can not the occur situation of needlework 13 of stumbling.
Fig. 7-9 illustrate another embodiment of feeder 37, and this feeder 37 is designed to be exclusively used in single needle sewing machine.Represent with identical Reference numeral and no longer describe in detail with the parts in conjunction with the described parts in Fig. 1-6 and function equivalent.
Claims (4)
1. be used for the feeder (17 at Sewing machines (1) operating period feeding fabric (15); 37), described feeder (17; 37) comprising:
-at least one feeding part (28,28a; 28), this feeding partial design is used for fabric (15) friction-type ground interaction and is used for carrying out feed motion at the needle plate recess (16) of needle plate (14);
-base portion body (29), described feeding part (28,28a; 28) be rigidly connected to a feeder support (29a) by this base portion body;
-from mounted feeder (17; 37) projection on needle plate plane (34), described feeding part (28,28a; 28) peripheral profile (32) jointlessly is combined with the peripheral profile (33) of base portion body (29);
-by web at feeding part (28,28a; 28) form peripheral transition member (35) and between base portion body (29), from mounted feeder (17; 37) projection on needle plate plane (34), the width of described web equal the width of base portion body (29) at the transition position towards base portion body (29), and towards feeding part (28,28a; 28) transition position equals feeding part (28,28a; 28) width;
It is characterized in that,
-with needle plate plane (34) vertically, web (35) has a thickness, this thickness at each transition position less than feeding part (28,28a; The thickness of thickness 28) and base portion body (29).
2. feeder according to claim 1, is characterized in that, this transition member (35) has linear change between transition position width.
3. feeder according to claim 1, it is characterized in that, in the situation that be used for two-needle sewing machine, feeding part (28,28a) comprise two feeding parton disposed adjacent one another unit (28,28a), wherein, when from mounted feeder (17) during the projection base portion body (29) on needle plate plane (34), the feeding part (28, all jointlessly be combined in the both sides of feeder (17) with the peripheral profile (33) of base portion body (29) by peripheral profile (32) 28a).
4. Sewing machines comprises:
-needle plate (14), this needle plate comprise needle plate recess (16);
-on it, attaching has the shank (9) of sewing needle (10), and described shank (9) is driven into above needle plate (14) and moves up and down;
One of-according to claim 1-3 described feeders (17; 37), described feeder (17; 37) be arranged in needle plate recess (16) to be used for carrying out feed motion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202007011553.9 | 2007-08-17 | ||
| DE202007011553U DE202007011553U1 (en) | 2007-08-17 | 2007-08-17 | Transporter for the transport of sewing material during the operation of a sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101368319A CN101368319A (en) | 2009-02-18 |
| CN101368319B true CN101368319B (en) | 2013-06-05 |
Family
ID=40122466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810129878XA Active CN101368319B (en) | 2007-08-17 | 2008-08-14 | Feeder for feeding sewing material while operating a sewing machine and related sewing machine |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2025790B1 (en) |
| JP (1) | JP2009045460A (en) |
| KR (1) | KR101424287B1 (en) |
| CN (1) | CN101368319B (en) |
| DE (1) | DE202007011553U1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101028887B1 (en) | 2009-03-04 | 2011-04-12 | 주식회사 엘지화학 | Electrolyte including amide compound and electrochemical device having same |
| JP5522981B2 (en) * | 2009-06-18 | 2014-06-18 | 日本発條株式会社 | Lower feed mechanism of sewing device and sewing device |
| WO2022129332A1 (en) | 2020-12-16 | 2022-06-23 | Jt International Sa | Heat not burn filament system |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE77872C (en) * | J. L. FOLLETT, New-York, V. St. A | Knife slide drive for sewing machines with swinging hook | ||
| US1329636A (en) * | 1915-12-27 | 1920-02-03 | Albert D Smith | Feed for sewing-machines |
| US1543945A (en) * | 1921-04-19 | 1925-06-30 | Union Special Machine Co | Feeding mechanism for sewing machines |
| CN2349226Y (en) * | 1998-02-09 | 1999-11-17 | 卢金荣 | Feeding mechanism for sewing machine |
| CN1263958A (en) * | 1999-01-21 | 2000-08-23 | 重机公司 | Cloth feeding device for sewing machine |
| CN1891887A (en) * | 2005-06-28 | 2007-01-10 | 杜尔克普-阿德勒股份公司 | Sewing machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR973974A (en) | 1948-09-07 | 1951-02-16 | Advanced sewing machine feed system | |
| US3467039A (en) * | 1967-11-20 | 1969-09-16 | Singer Co | Work feeding mechanisms for sewing machines |
| US5979346A (en) * | 1998-03-12 | 1999-11-09 | Rodriguez; Rosty | Automatic stitching apparatus |
| JP2004174120A (en) * | 2002-11-29 | 2004-06-24 | Juki Corp | Feeding device of sewing machine |
-
2007
- 2007-08-17 DE DE202007011553U patent/DE202007011553U1/en not_active Expired - Lifetime
-
2008
- 2008-08-01 EP EP08013805.0A patent/EP2025790B1/en active Active
- 2008-08-13 JP JP2008208519A patent/JP2009045460A/en active Pending
- 2008-08-14 KR KR1020080079913A patent/KR101424287B1/en active IP Right Grant
- 2008-08-14 CN CN200810129878XA patent/CN101368319B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE77872C (en) * | J. L. FOLLETT, New-York, V. St. A | Knife slide drive for sewing machines with swinging hook | ||
| US1329636A (en) * | 1915-12-27 | 1920-02-03 | Albert D Smith | Feed for sewing-machines |
| US1543945A (en) * | 1921-04-19 | 1925-06-30 | Union Special Machine Co | Feeding mechanism for sewing machines |
| CN2349226Y (en) * | 1998-02-09 | 1999-11-17 | 卢金荣 | Feeding mechanism for sewing machine |
| CN1263958A (en) * | 1999-01-21 | 2000-08-23 | 重机公司 | Cloth feeding device for sewing machine |
| CN1891887A (en) * | 2005-06-28 | 2007-01-10 | 杜尔克普-阿德勒股份公司 | Sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2025790B1 (en) | 2015-03-04 |
| KR20090018583A (en) | 2009-02-20 |
| EP2025790A3 (en) | 2011-10-19 |
| KR101424287B1 (en) | 2014-07-31 |
| EP2025790A2 (en) | 2009-02-18 |
| DE202007011553U1 (en) | 2008-12-24 |
| CN101368319A (en) | 2009-02-18 |
| JP2009045460A (en) | 2009-03-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210811 Address after: Bielefeld, Germany Patentee after: Durkep Adler Co.,Ltd. Address before: Bielefeld, Germany Patentee before: D rkopp Adler AG |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: Bielefeld, Germany Patentee after: Dukepu Aihua Co.,Ltd. Country or region after: Germany Address before: Bielefeld, Germany Patentee before: Durkep Adler Co.,Ltd. Country or region before: Germany |
|
| CP03 | Change of name, title or address |