CN220413685U - Cloth feeding deviation rectifying mechanism of sewing machine - Google Patents
Cloth feeding deviation rectifying mechanism of sewing machine Download PDFInfo
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- CN220413685U CN220413685U CN202321017841.4U CN202321017841U CN220413685U CN 220413685 U CN220413685 U CN 220413685U CN 202321017841 U CN202321017841 U CN 202321017841U CN 220413685 U CN220413685 U CN 220413685U
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- rotating shaft
- connecting seat
- shaft part
- deviation rectifying
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- 239000004744 fabric Substances 0.000 title claims abstract description 37
- 238000009958 sewing Methods 0.000 title claims abstract description 10
- 238000005096 rolling process Methods 0.000 claims abstract description 22
- 230000001360 synchronised effect Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 239000000835 fiber Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a cloth feeding deviation correcting mechanism of a sewing machine, which comprises a first connecting seat and a second connecting seat, wherein first lug parts are respectively arranged on two sides of the middle part of the first connecting seat, and a rotatable driving rotating shaft is arranged between the two first lug parts; the two ends of the driving rotating shaft are respectively provided with a first synchronous wheel and a first gear; the front end of the first connecting seat is provided with a first rotating shaft, the rear part of the first connecting seat is provided with a second rotating shaft, and at least one rotatable rolling belt is wound on the first rotating shaft, the second rotating shaft and the driving rotating shaft; the second connecting seat is rotatably provided with an eccentric rotating shaft, and two deviation correcting fingers are arranged on the eccentric rotating shaft; the eccentric rotating shaft is provided with a second gear meshed with the first gear. According to the utility model, the material rolling belt and the deviation rectifying finger work cooperatively, so that the cloth deviation rectifying effect is greatly improved.
Description
Technical Field
The utility model relates to the field of industrial sewing machines, in particular to a cloth feeding deviation correcting mechanism of a sewing machine.
Background
Patent No. 202110165061.3 discloses a cloth feeding deviation rectifying mechanism, including being used for the clamp material subassembly of centre gripping cloth sewing edge, the clamp material subassembly is equipped with the drive pivot including upper plate and the lower plate that rotates the connection in the rotation center department of upper plate and lower plate. The front part of the upper clamping plate is provided with a first rotating shaft, and the rear part is provided with a second rotating shaft. At least one rotatable upper rolling belt is wound on the first rotating shaft, the second rotating shaft and the driving rotating shaft, and protrudes out of an upper clamping surface of the upper clamping plate. The lower clamping plate is provided with a third rotating shaft at the front part and a fourth rotating shaft at the rear part. And at least one lower rolling belt is wound on the third rotating shaft, the fourth rotating shaft and the driving rotating shaft, and protrudes out of the upper clamping surface of the lower clamping plate. The cloth feeding deviation correcting mechanism is provided with a motor which drives the upper rolling belt and the lower rolling belt to synchronously rotate through a driving rotating shaft, so that real-time deviation correction of the cloth edge can be realized. The cloth feeding deviation correcting mechanism disclosed in the patent can cause overlarge rotation resistance of an upper rolling belt and a lower rolling belt to influence deviation correcting effect because cloth fibers are piled between an upper clamping plate and a lower clamping plate for a long time in the using process, and even the service lives of the upper rolling belt and the lower rolling belt are reduced.
Disclosure of Invention
Aiming at the technical problems that the existing cloth feeding deviation correcting mechanism adopts a rolling belt to drive and easily clamp cloth fibers, has poor deviation correcting effect and short service life, the utility model provides the cloth feeding deviation correcting mechanism of the sewing machine, which simultaneously carries out deviation correcting operation on cloth through a simulated deviation correcting finger and the rolling belt, thereby improving the cloth deviation correcting effect and the service life.
The technical scheme adopted for solving the technical problems is as follows: a cloth feeding deviation correcting mechanism of a sewing machine comprises a first connecting seat and a second connecting seat, wherein first lug parts are respectively arranged on two sides of the middle part of the first connecting seat, and a rotatable driving rotating shaft is arranged between the two first lug parts; the two ends of the driving rotating shaft are respectively provided with a first synchronous wheel and a first gear; the front end of the first connecting seat is provided with a first rotating shaft, the rear part of the first connecting seat is provided with a second rotating shaft, and at least one rotatable rolling belt is wound on the first rotating shaft, the second rotating shaft and the driving rotating shaft; the second connecting seat is rotatably provided with an eccentric rotating shaft, and two deviation correcting fingers are arranged on the eccentric rotating shaft; the eccentric rotating shaft is provided with a second gear meshed with the first gear.
In order to optimize the technical scheme, the utility model further comprises the following improved technical scheme.
The eccentric rotating shaft is composed of a first shaft part, a second shaft part, a third shaft part, a fourth shaft part, a fifth shaft part and a sixth shaft part.
The first shaft part is in rotary fit with the third lug part on the second connecting seat through a bearing, the fifth shaft part is in rotary fit with the second lug part on the second connecting seat through a bearing, and the first shaft part, the fifth shaft part and the sixth shaft part are coaxially arranged.
The axes of the second shaft part and the fourth shaft part are eccentrically arranged relative to the axes of the first shaft part and the fifth shaft part; the correcting finger comprises a shaft mounting block, a vertical connecting block is arranged at the front end of the shaft mounting block, and a correcting rod is fixed at the lower end of the connecting block; the shaft mounting blocks of the two correction fingers are respectively connected with the second shaft part and the fourth shaft part in a rotating way.
The rear end part of the shaft mounting block is a vertical plane; be equipped with on the second connecting seat with rectifying the regulation pole that finger quantity corresponds, the one end of adjusting the pole can axial telescopic install on the second connecting seat, and the other end is fixed with vertical regulation cooperation portion, adjusts cooperation portion and the vertical plane cooperation of corresponding axle installation piece.
The second connecting seat is provided with two through holes penetrating through the front end face and the rear end face, a guide shaft sleeve is arranged in the through holes, a guide hole is formed in the middle of the guide shaft sleeve, and the adjusting rod is slidably arranged in the guide hole; the baffle is fixed at the rear end of the second connecting seat, a spring is sleeved on the adjusting rod, one end of the spring is propped against the adjusting matching part, and the other end of the spring is propped against the guide shaft sleeve.
The front part of the first connecting seat is provided with a lower clamping plate, and the rolling belt protrudes out of the upper surface of the lower clamping plate.
Compared with the prior art, the cloth feeding deviation correcting mechanism drives the driving rotating shaft to rotate forward or reversely through the deviation correcting motor, and can drive the rolling belt to rotate to correct the cloth; the driving rotating shaft drives the eccentric rotating shaft to synchronously rotate through the first gear and the second gear, and the eccentric shaft section of the eccentric rotating shaft can drive two deviation correcting fingers to alternately twist on the lower clamping plate, so that the function of correcting the cloth conveying direction is achieved. Through the cooperative work of the rolling belt and the deviation rectifying finger, the cloth deviation rectifying effect is greatly improved.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present utility model.
Fig. 2 is a schematic view of another view angle structure of the present utility model.
Fig. 3 is a schematic cross-sectional structure of the lower clamping plate.
Fig. 4 is a schematic structural view of the eccentric rotation shaft.
Description of the embodiments
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings.
Fig. 1 to 4 are schematic structural views of the present utility model.
Wherein the reference numerals are as follows: the first connecting seat 1, the first lug part 1a, the second connecting seat 2, the second lug part 2a, the third lug part 2b, the driving rotating shaft 3, the first synchronous wheel 4, the first gear 5, the lower clamping plate 6, the first rotating shaft 7, the second rotating shaft 8, the rolling belt 9, the eccentric rotating shaft 10, the first shaft part 10a, the second shaft part 10b, the third shaft part 10c, the fourth shaft part 10d, the fifth shaft part 10e, the sixth shaft part 10f, the second gear 11, the shaft mounting block 12, the connecting block 13, the deviation correcting rod 14, the adjusting rod 15, the adjusting matching part 15a and the baffle 16.
The utility model relates to a cloth feeding deviation correcting mechanism of a sewing machine, which comprises a first connecting seat 1 and a second connecting seat 2, wherein two sides of the middle part of the first connecting seat 1 are respectively provided with an upward first lug part 1a, and a driving rotating shaft 3 is rotatably arranged between the two first lug parts 1 a.
The two ends of the driving rotating shaft 3 are respectively fixed with a first synchronizing wheel 4 and a first gear 5, and the first synchronizing wheel 4 is connected with a second synchronizing wheel on the output shaft of the deviation correcting motor through a synchronous belt. The deviation correcting motor can drive the driving rotating shaft 3 to rotate forward or reversely through the synchronous belt. The front end of the first connecting seat 1 is provided with a lower clamping plate 6, the front part of the lower clamping plate 6 is provided with a first rotating shaft 7, and the rear part is provided with a second rotating shaft 8. At least one rotatable material rolling belt 9 is wound on the first rotating shaft 7, the second rotating shaft 8 and the driving rotating shaft 3, and the material rolling belt 9 protrudes out of the upper surface of the lower clamping plate 6.
The two sides of the front end of the second connecting seat 2 are provided with a second lug part 2a and a third lug part 2b which extend forwards, an eccentric rotating shaft 10 is arranged between the second lug part 2a and the third lug part 2b, and two deviation rectifying fingers which can rub back and forth on the surface of the lower clamping plate 6 to rectify the cloth are arranged on the eccentric rotating shaft 10.
The eccentric rotary shaft 10 is composed of a first shaft portion 10a, a second shaft portion 10b, a third shaft portion 10c, a fourth shaft portion 10d, a fifth shaft portion 10e, and a sixth shaft portion 10 f. The first shaft portion 10a is in rotational engagement with the third lug portion 2b through a bearing, the fifth shaft portion 10e is in rotational engagement with the second lug portion 2a through a bearing, and the first shaft portion 10a, the fifth shaft portion 10e, and the sixth shaft portion 10f are coaxially arranged. The eccentric shaft sections corresponding to the number of the deviation correcting fingers are arranged between the first shaft part 10a and the fifth shaft part 10e, in this embodiment, the eccentric shaft sections are a second shaft part 10b and a fourth shaft part 10d, and the third shaft part 10c is positioned between the second shaft part 10b and the fourth shaft part 10d for connection.
The axial centers of the second shaft portion 10b and the fourth shaft portion 10d are arranged eccentrically with respect to the axial centers of the first shaft portion 10a and the fifth shaft portion 10 e. In a preferred embodiment, the axes of the second shaft portion 10b and the fourth shaft portion 10d are in the same plane as the axes of the first shaft portion 10a and the fifth shaft portion 10e, and the two correction fingers are capable of performing the correction operations alternately.
A second gear 11 engaged with the first gear 5 is fixed to the sixth shaft portion 10f to drive the eccentric rotation shaft 10 to rotate synchronously. The second connecting seat 2 can be separated from the first connecting seat 1, and the second connecting seat 2 drives the second connecting seat to move up and down through an air cylinder. The second connecting seat 2 is in a standby state after rising. After the second connecting seat 2 descends, the first gear 5 is meshed with the second gear 11, and under the control of the deviation correcting motor, the deviation correcting finger can realize deviation correcting action.
The structure of the two correction fingers is the same, the correction fingers comprise two shaft installation blocks 12 which are rotationally connected with a second shaft part 10b and a fourth shaft part 10d, the front ends of the shaft installation blocks 12 are provided with vertical connection blocks 13, and the lower ends of the connection blocks 13 are fixedly provided with a correction rod 14. The surface of the deviation rectifying rod 14 is provided with patterns, so that the friction force between the deviation rectifying rod 14 and the cloth is increased, and the deviation rectifying finger can rectify the cloth.
The rear end of the shaft mounting block 12 is a vertical plane. The second connecting seat 2 is provided with adjusting rods 15 corresponding to the number of correction fingers, one ends of the adjusting rods 15 can be axially and telescopically arranged on the second connecting seat 2, the other ends of the adjusting rods are fixedly provided with vertical adjusting and matching parts 15a, and the adjusting and matching parts 15a are matched with the vertical planes of the corresponding shaft mounting blocks 12.
The second connecting seat 2 is provided with two through holes penetrating through the front end face and the rear end face, a guide shaft sleeve is arranged in the through holes, a guide hole is formed in the middle of the guide shaft sleeve, and the adjusting rod 15 is slidably arranged in the guide hole. A baffle 16 is fixed at the rear end of the second connecting seat 2 for preventing the guide shaft sleeve from falling out of the through hole. The adjusting rod 15 is sleeved with a spring, one end of the spring is abutted against the adjusting matching part 15a, the other end of the spring is abutted against the guide shaft sleeve, and the spring applies thrust to the adjusting matching part 15a to enable the adjusting matching part 15a to abut against the vertical plane of the shaft mounting block 12. When the correction finger integrally moves under the drive of the eccentric rotating shaft 10, the rear end surface of the correction finger is guided by the adjusting and matching part 15a, so that the correction rod 14 always maintains a horizontal posture in the correction movement process.
During operation, the edge position of the conveyed cloth is detected through the sensor, and then the system controls the rotation direction of the deviation correcting motor according to the edge position of the cloth so as to control the deviation correcting direction. The deviation correcting motor drives the driving rotating shaft 3 to rotate through the synchronous belt so as to drive the rolling belt 9 to rotate, so that deviation correction is performed on the cloth; meanwhile, the first gear 5 and the second gear 11 drive the eccentric rotating shaft 10 to rotate, and the second shaft part 10b and the fourth shaft part 10d can drive two deviation rectifying fingers to move due to the eccentric action, so that the deviation rectifying rods 14 can lift off the lower clamping plate 6 and fall on the lower clamping plate 6 to twist, and the two deviation rectifying rods 14 alternately rectify the cloth and can alternately press the cloth to prevent the cloth from loosening.
The preferred embodiments of this utility model have been described so far that various changes or modifications may be made by one of ordinary skill in the art without departing from the scope of this utility model.
Claims (7)
1. The utility model provides a mechanism is rectified to work feed of sewing machine, includes first connecting seat (1) and second connecting seat (2), characterized by: the two sides of the middle part of the first connecting seat (1) are respectively provided with a first lug part (1 a), and a rotatable driving rotating shaft (3) is arranged between the two first lug parts (1 a); a first synchronous wheel (4) and a first gear (5) are respectively arranged at two ends of the driving rotating shaft (3); the front end of the first connecting seat (1) is provided with a first rotating shaft (7), the rear part of the first connecting seat is provided with a second rotating shaft (8), and at least one rotatable rolling belt (9) is wound on the first rotating shaft (7), the second rotating shaft (8) and the driving rotating shaft (3); the second connecting seat (2) is rotatably provided with an eccentric rotating shaft (10), and two deviation correcting fingers are arranged on the eccentric rotating shaft (10); the eccentric rotating shaft (10) is provided with a second gear (11) meshed with the first gear (5).
2. The cloth feeding deviation rectifying mechanism according to claim 1, wherein: the eccentric rotating shaft (10) is composed of a first shaft part (10 a), a second shaft part (10 b), a third shaft part (10 c), a fourth shaft part (10 d), a fifth shaft part (10 e) and a sixth shaft part (10 f).
3. The cloth feeding deviation rectifying mechanism according to claim 2, characterized in that: the first shaft part (10 a) is in running fit with a third lug part (2 b) on the second connecting seat (2) through a bearing, the fifth shaft part (10 e) is in running fit with a second lug part (2 a) on the second connecting seat (2) through a bearing, and the first shaft part (10 a), the fifth shaft part (10 e) and the sixth shaft part (10 f) are coaxially arranged.
4. A cloth feeding deviation rectifying mechanism according to claim 3, characterized in that: the axes of the second shaft part (10 b) and the fourth shaft part (10 d) are eccentrically arranged relative to the axes of the first shaft part (10 a) and the fifth shaft part (10 e); the correcting finger comprises a shaft mounting block (12), a vertical connecting block (13) is arranged at the front end of the shaft mounting block (12), and a correcting rod (14) is fixed at the lower end of the connecting block (13); the shaft mounting blocks (12) of the two correction fingers are respectively connected with the second shaft part (10 b) and the fourth shaft part (10 d) in a rotating way.
5. The cloth feeding deviation rectifying mechanism according to claim 4, wherein: the rear end part of the shaft mounting block (12) is a vertical plane; be equipped with on the second connecting seat (2) with rectify and point regulation pole (15) that quantity corresponds, the one end of regulation pole (15) can axial telescopic install on second connecting seat (2), and the other end is fixed with vertical regulation cooperation portion (15 a), adjusts cooperation portion (15 a) and the vertical plane cooperation of corresponding axle installation piece (12).
6. The cloth feeding deviation rectifying mechanism according to claim 5, wherein: two through holes penetrating through the front end face and the rear end face are formed in the second connecting seat (2), a guide shaft sleeve is arranged in the through holes, a guide hole is formed in the middle of the guide shaft sleeve, and the adjusting rod (15) is slidably arranged in the guide hole; the baffle (16) is fixed at the rear end of the second connecting seat (2), a spring is sleeved on the adjusting rod (15), one end of the spring abuts against the adjusting matching part (15 a), and the other end of the spring abuts against the guide shaft sleeve.
7. The cloth feeding deviation rectifying mechanism according to claim 1, wherein: the front part of the first connecting seat (1) is provided with a lower clamping plate (6), and the rolling belt (9) protrudes out of the upper surface of the lower clamping plate (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321017841.4U CN220413685U (en) | 2023-04-29 | 2023-04-29 | Cloth feeding deviation rectifying mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321017841.4U CN220413685U (en) | 2023-04-29 | 2023-04-29 | Cloth feeding deviation rectifying mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220413685U true CN220413685U (en) | 2024-01-30 |
Family
ID=89654841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321017841.4U Active CN220413685U (en) | 2023-04-29 | 2023-04-29 | Cloth feeding deviation rectifying mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220413685U (en) |
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2023
- 2023-04-29 CN CN202321017841.4U patent/CN220413685U/en active Active
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