CN208965198U - A kind of work feed smoothly sewing machine - Google Patents
A kind of work feed smoothly sewing machine Download PDFInfo
- Publication number
- CN208965198U CN208965198U CN201821618319.0U CN201821618319U CN208965198U CN 208965198 U CN208965198 U CN 208965198U CN 201821618319 U CN201821618319 U CN 201821618319U CN 208965198 U CN208965198 U CN 208965198U
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- Prior art keywords
- roller
- strip
- draw
- idler wheel
- cloth
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- Withdrawn - After Issue
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- 238000009958 sewing Methods 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 168
- 239000004744 fabric Substances 0.000 claims abstract description 52
- 230000001360 synchronised effect Effects 0.000 claims description 12
- 230000009194 climbing Effects 0.000 abstract description 14
- 238000000034 method Methods 0.000 description 8
- 241000226585 Antennaria plantaginifolia Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
- 210000000707 wrist Anatomy 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model creation is related to technical field of sewing machines more particularly to a kind of work feed smoothly sewing machine.Material roller is drawn by increasing an auxiliary between band idler wheel and drawing material roller, auxiliary draws the position of material roller to be slightly above the position for drawing material roller, to reduce the gradient that material strip is drawn in the part, it draws material strip so that increasing bottom and folds the contact area of cloth to increase bottom drawing material strip to the material grasping power of cloth, it is natural in this way to make the part that material strip be drawn all to keep comparing at the uniform velocity during climbing and descending, to realize steady work feed material, there is preferable material grasping power when crossing folded portion cloth, guarantee sewing it is smooth, stitching it is uniform, beautiful.
Description
Technical field
The invention is related to technical field of sewing machines more particularly to a kind of work feed smoothly sewing machine.
Background technique
Sewing machine is a kind of elbow cartridge type, is used for men's clothing, women's dress, easy suit, jeans, shirt, work clothes, rain
The sewing of the overlap joints such as clothing.
For existing sewing machine in the cloth that sewing folds, cloth is due to folding, so that the surface of cloth
Out-of-flatness, that is, the part folded is higher than the other parts of cloth, during sewing, when cloth enters the drawing material dress of sewing machine
When setting between pincushion, due to drawing material device, only one draws material roller, when by folded portion, draws material roller to cloth
Insufficient pressure, since cloth is flexible material, this can so that cloth deformation occurs, such as stretch or wrinkle be folded, this
It will lead to this part of cloth and have some setbacks between material roller and pincushion by drawing, it is uneven so as to cause sewing stitch or walk
Line is deviated.
Summary of the invention
The purpose of the invention is to provide a kind of work feed smoothly sewing machine, can be realized steady feeding, crosses and folds
Have preferable material grasping power when the cloth of part, guarantee sewing it is smooth, stitching it is uniform, beautiful.
Invention thinking: inventor has found that sewing machine is contacted in the cloth that sewing folds with cloth in the course of the study
Part draw material strip that can first climb from the low spot of cloth (flat) to the high point (i.e. folded portion) of cloth, then from cloth
High point descending is to low spot.When part drawing material strip is during climbing, since material strip is drawn in the part and folds connecing for cloth
Contacting surface product does not increase, and only has the part that material grasping power required for material strip is drawn to be greater than in this course and sewed in level
Required material grasping power when journey just can guarantee that the part draws speed of the material strip when climbing folded portion cloth to sew in level
When speed it is consistent, therefore during climbing, the movement speed of cloth can be excessively slow；When part draws material strip in the process of descending
When middle, material strip is drawn due to the part and is not increased with the contact area for folding cloth, and only has the part to draw in this course
Material grasping power required for material strip is greater than the required material grasping power in horizontal sewing process, just can guarantee that the part draws material strip to exist
Climb folded portion cloth when speed it is consistent with the speed when level is sewed, therefore during descending, the shifting of cloth
Dynamic speed can be too fast.That is, in order to make the part that material strip be drawn all to keep comparing at the uniform velocity during climbing and descending, just
It needs to increase the part to draw material strip and fold the contact area of cloth to increase part drawing material strip to the material grasping power of cloth, is
This, inventor cleverly contemplates in band idler wheel and one auxiliary of increase between material roller is drawn to draw material roller, should to reduce
The gradient of material strip is drawn in part, draws material strip to draw material strip pair with the contact area for folding cloth to increase bottom so that increasing bottom
The material grasping power of cloth, it is natural in this way to make the part that material strip be drawn all to keep comparing at the uniform velocity during climbing and descending.
The invention provides a kind of work feed smoothly sewing machine, including sewing machine body, drawing material device and linkage mechanism,
Draw material device and linkage mechanism be arranged on sewing machine body, draw material device include mounting plate, synchronous pulley, band idler wheel,
It draws material roller, draw material strip and stepper motor, synchronous pulley, band idler wheel and drawing material roller are arranged on a mounting board and drawing material strip
It is tensioned and draws material roller that can be rotated up and down centered on band idler wheel, stepper motor connect with synchronous pulley and drives its rotation；
Linkage mechanism connection draw material roller with drive draw material roller lifting and push, further include setting band idler wheel and draw material roller it
Between auxiliary draw material roller, auxiliary draw material roller be located at idler wheel and draw material roller between bottom draw material strip a gradient subtract
It is few, it draws material strip to increase bottom and folds the contact area of cloth to increase bottom drawing material strip to the material grasping power of cloth.
It wherein, further include belt pressing device, belt pressing device includes press strip, pressure spring and pinch roller, and press strip one end rotatably connects
In drawing on material device, the other end connects pinch roller, and pressure spring is arranged on press strip to adjust press strip and draw the angle between material device, pinch roller
It is spindle rotationally arranged on press strip and inconsistent with drawing material strip.
Wherein, linkage mechanism includes linking arm and driving device, and band idler wheel draws material roller, auxiliary to draw material roller and drive
Dynamic device is all connected on the linking arm.
Wherein, driving device is a cylinder, and linking arm one end connection auxiliary draws material roller and draws material roller, other end connection
Cylinder piston end, cylinder push linking arm to swing above and below using band idler wheel as fulcrum.
The invention has the beneficial effect that the invention provides a kind of work feed smoothly sewing machine, by
Increase an auxiliary between band idler wheel and drawing material roller and draw material roller, the position for drawing material roller is assisted slightly above to draw the position of material roller
It sets, to reduce the gradient that material strip is drawn in the part, draws material strip so that increasing bottom and fold the contact area of cloth to increase
Bottom is added to draw material strip to the material grasping power of cloth --- when the bottom draws material strip (drawing material strip in the i.e. above-mentioned part) in the mistake climbed
When in journey, since the contact area that the bottom draws material strip and folds cloth increases, which draws material grasping power required for material strip to want
Greater than material grasping power required in horizontal sewing process, therefore guarantee what the bottom drew material strip when climbing folded portion cloth
Speed is consistent with the speed when level is sewed, therefore during climbing, avoids the movement speed of cloth can be excessively slow；When this
When part drawing material strip is during descending, since the contact area that the bottom draws material strip and folds cloth increases, bottom drawing
Material grasping power required for material strip is greater than the required material grasping power in horizontal sewing process, therefore guarantees that the bottom draws material strip to exist
Climb folded portion cloth when speed it is consistent with the speed when level is sewed, therefore during descending, avoid cloth
Movement speed can be too fast.It is natural in this way to make the part that material strip be drawn all to keep evener during climbing and descending
Speed has preferable material grasping power when crossing folded portion cloth to realize steady work feed material, guarantees the smooth of sewing, stitching it is equal
It is even, beautiful.
Detailed description of the invention
The invention is described further using attached drawing, but the embodiment in attached drawing is not constituted to the invention
Any restrictions for those of ordinary skill in the art without creative efforts, can also be according to following attached
Figure obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of work feed of the invention smoothly sewing machine.
Fig. 2 is a kind of structural schematic diagram of work feed of the invention smoothly another angle of sewing machine.
In fig. 1 and 2 include: 1 --- pincushion, 2 --- it draws and expects device, 21 --- mounting plate, 22 --- synchronous pulley,
23 --- band idler wheel, 24 --- drawing material roller, 25 --- drawing material strip, 251 --- bottom drawing material strip, 26 --- stepper motor,
27 --- auxiliary drawing material roller, 3 --- linkage mechanism, 31 --- cylinder, 32 --- linking arm, 4 --- belt pressing device, 41 ---
Press strip, 42 --- pressure spring, 43 --- straight grain handle, 44 --- pinch roller.
Specific embodiment
The invention is further described with the following Examples.
The invention provides a kind of work feed smoothly sewing machine, and as depicted in figs. 1 and 2, including sewing machine body is (in figure
Be not shown), pincushion 1, draw material device 2 and linkage mechanism 3, draw material device 2 and linkage mechanism 3 to be arranged on sewing machine body,
Material device 2 is drawn to include mounting plate 21, synchronous pulley 22, band idler wheel 23, draw material roller 24, draw material strip 25 and stepper motor 26,
Synchronous pulley 22, band idler wheel 23 and drawing material roller 24 are arranged on mounting plate 21 and drawing material strip 25 are tensioned and draws material roller
24 can be rotated up and down centered on band idler wheel 23, and stepper motor 26 connect with synchronous pulley 22 and drives its rotation；Gear
The connection of structure 3 draws material roller 24 to drive and material roller 24 is drawn to be lifted and push, and sewing machine further includes setting in band idler wheel 23 and drawing
Auxiliary between material roller 24 draws material roller 27,.It is drawn by increasing an auxiliary between band idler wheel 23 and drawing material roller 24
Material roller 27, auxiliary draw the position of material roller 27 to be slightly above the position for drawing material roller 24, so that reducing the bottom draws material strip 251
The gradient draws material strip 251 and folds the contact area of cloth to increase bottom drawing material strip 251 to cloth so that increasing bottom
Material grasping power --- when bottom drawing material strip 251 is during climbing, since material strip 251 is drawn in the bottom and folds connecing for cloth
Contacting surface product increases, which draws material grasping power required for material strip 251 to be greater than the required material grasping power in horizontal sewing process,
Therefore guarantee that the bottom draws speed of the material strip 251 when climbing folded portion cloth consistent with the speed when level is sewed, because
This is avoided the movement speed of cloth can be excessively slow during climbing；When part drawing material strip 25 is during descending, by
Increase in the contact area that material strip 251 is drawn in the bottom and folds cloth, which draws material grasping power required for material strip 251 to be greater than
The required material grasping power in horizontal sewing process, therefore guarantee what the bottom drew material strip 251 when climbing folded portion cloth
Speed is consistent with the speed when level is sewed, therefore during descending, avoids the movement speed of cloth can be too fast.In this way
Nature can make the part that material strip 25 be drawn all to keep comparing at the uniform velocity during climbing and descending, to realize steady work feed
Material, cross folded portion cloth when have preferable material grasping power, guarantee sewing it is smooth, stitching it is uniform, beautiful.
In the present embodiment, sewing machine further includes belt pressing device 4, and belt pressing device 4 includes press strip 41, pressure spring 42, straight grain handle
43 and pinch roller 44,41 one end of press strip is rotatably coupled on the mounting plate 21 for drawing material device 2, and the other end connects pinch roller 44, pressure
Spring 42 by straight grain handle 43 compress be arranged on press strip 41, pinch roller 44 be rotatably set on press strip 41 and with draw material strip 25
It is inconsistent, straight grain handle 43 can be suitably adjusted to the pressure of press strip 41 after drawing material strip 25 to be tensioned, to control for drawing material strip 25
Clamp force.
In the present embodiment, linkage mechanism 3 includes driving device and linking arm 32, and driving device is to be fixed on drawing material device 2
Cylinder 31 on mounting plate 21,32 one end of linking arm connection auxiliary draw material roller 27 and draw material roller 24, and the other end connects cylinder
31 piston ends, open the middle position that linking arm 32 is connected to idler wheel 23, and cylinder 31 is that fulcrum promotion connects with a band idler wheel 23
Arm 32 is swung above and below, draws material roller 24 to be lifted and push to drive.When sewing machine is sewed, 26 band of stepper motor of material device 2 is drawn
The dynamic rotation of synchronous pulley 22 enables that material strip 25 is drawn constantly to be pulled along cloth；When bent wrist stops sewing, the stepping electricity of material device 2 is drawn
Machine 26 is simultaneously stopped rotation, and the piston end of cylinder 31 stretches out to push to be swung on linking arm 32, and material roller 24 and auxiliary is drawn to draw at this time
The synchronous lifting of material roller 27, the cloth sewed is loosened, a sewing process is completed.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the invention, rather than to this hair
It is bright create protection scope limitation, although being explained in detail referring to preferred embodiment to the invention, this field it is general
Lead to it will be appreciated by the skilled person that can be modified or replaced equivalently to the technical solution of the invention, without departing from this
The spirit and scope of innovation and creation technical solution.
Claims (4)
1. a kind of work feed smoothly sewing machine, including sewing machine body, drawing material device and linkage mechanism, draws material device and gear
Structure is arranged on sewing machine body, draw material device include mounting plate, synchronous pulley, band idler wheel, draw material roller, draw material strip and
Stepper motor, synchronous pulley, band idler wheel and drawing material roller are arranged on a mounting board and drawing material strip are tensioned and draws material roller energy
It is rotated up and down centered on band idler wheel, stepper motor connect with synchronous pulley and drives its rotation；Material is drawn in linkage mechanism connection
Idler wheel draws material roller lifting and pushing to drive, which is characterized in that further includes being arranged in open with idler wheel and draw between material roller
Auxiliary drawing material roller assists that material roller is drawn to reduce the gradient with the bottom drawing material strip between idler wheel and drawing material roller is located at,
The contact area of material strip and folding cloth is drawn to draw material strip to the material grasping power of cloth to increase bottom to increase bottom.
2. a kind of work feed according to claim 1 smoothly sewing machine, which is characterized in that further include belt pressing device, pressure zone
Device includes press strip, pressure spring and pinch roller, and press strip one end is rotatablely connected on drawing material device, and the other end connects pinch roller, pressure spring
Be arranged on press strip with adjust press strip and draw material device between angle, pinch roller be spindle rotationally arranged on press strip and with draw material strip phase
It contradicts.
3. a kind of work feed according to claim 1 smoothly sewing machine, which is characterized in that linkage mechanism include linking arm and
Driving device, band idler wheel draw material roller, auxiliary that material roller and driving device is drawn to be all connected on the linking arm.
4. a kind of work feed according to claim 3 smoothly sewing machine, which is characterized in that driving device is a cylinder, even
It connects arm one end connection auxiliary to draw material roller and draw material roller, the other end connects cylinder piston end, and cylinder is using band idler wheel as fulcrum
Linking arm is pushed to swing above and below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821618319.0U CN208965198U (en) | 2018-10-04 | 2018-10-04 | A kind of work feed smoothly sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821618319.0U CN208965198U (en) | 2018-10-04 | 2018-10-04 | A kind of work feed smoothly sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208965198U true CN208965198U (en) | 2019-06-11 |
Family
ID=66757055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821618319.0U Withdrawn - After Issue CN208965198U (en) | 2018-10-04 | 2018-10-04 | A kind of work feed smoothly sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208965198U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914399A (en) * | 2018-10-04 | 2018-11-30 | 东莞创辉缝纫机有限公司 | A kind of work feed smoothly sewing machine |
-
2018
- 2018-10-04 CN CN201821618319.0U patent/CN208965198U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108914399A (en) * | 2018-10-04 | 2018-11-30 | 东莞创辉缝纫机有限公司 | A kind of work feed smoothly sewing machine |
| CN108914399B (en) * | 2018-10-04 | 2024-05-28 | 东莞创辉缝纫机有限公司 | Sewing machine with smooth cloth feeding function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20190611 Effective date of abandoning: 20240528 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20190611 Effective date of abandoning: 20240528 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |