CN219637464U - Cloth feeding deviation rectifying mechanism of sewing machine - Google Patents
Cloth feeding deviation rectifying mechanism of sewing machine Download PDFInfo
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- CN219637464U CN219637464U CN202320202173.6U CN202320202173U CN219637464U CN 219637464 U CN219637464 U CN 219637464U CN 202320202173 U CN202320202173 U CN 202320202173U CN 219637464 U CN219637464 U CN 219637464U
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- deviation correcting
- eccentric
- deviation rectifying
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- 239000004744 fabric Substances 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 238000009958 sewing Methods 0.000 title claims abstract description 10
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 239000000463 material Substances 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a cloth feeding deviation rectifying mechanism of a sewing machine, which comprises a first mounting plate and a second mounting plate, wherein a motor-driven eccentric driving shaft is arranged between the first mounting plate and the second mounting plate, the eccentric driving shaft is provided with at least two eccentric shaft sections, and each eccentric shaft section is provided with a deviation rectifying finger in rotary fit with the eccentric shaft section; the rear end part of the deviation correcting finger is provided with a vertical plane which is in interference fit with the adjusting rod. The cloth feeding deviation correcting mechanism can drive deviation correcting fingers to alternately twist on the bottom plate, thereby playing a role in correcting the cloth conveying direction, and having the advantages of stable deviation correcting effect and long service life.
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
The patent number 202110165061.3 discloses a cloth feeding deviation correcting mechanism, which comprises a clamping component for clamping the sewing edge of cloth, wherein the clamping component comprises an upper clamping plate and a lower clamping plate which are rotationally connected, and a driving part is arranged at the rotation center of the upper clamping plate and the lower clamping plate
And (5) moving the rotating shaft. 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 discloses in the use, because cloth fiber piles up between last splint and lower splint for a long time, can cause the excessive influence of last roll material area and lower roll material area rotation resistance and rectify the effect, reduces the life of going up roll material area and lower roll material even, and the roll material area is used for a long time and is tired easily in addition, can influence the rotation effect after the roll material area length changes, leads to rectifying the effect reduction.
Disclosure of Invention
Aiming at the technical problems that the existing cloth feeding deviation correcting mechanism adopts a rolling belt to drive and is easy to clamp into cloth fibers, the deviation correcting effect is unstable and the service life is short, the utility model provides the cloth feeding deviation correcting mechanism of the sewing machine, which realizes the deviation correcting effect in the cloth conveying process through the simulated finger action and improves the cloth deviation correcting stability and the service life.
The technical scheme adopted for solving the technical problems is as follows: a cloth feeding deviation rectifying mechanism of a sewing machine comprises a first mounting plate and a second mounting plate, wherein an eccentric driving shaft driven by a motor is arranged between the first mounting plate and the second mounting plate, the eccentric driving shaft is provided with at least two eccentric shaft sections, and each eccentric shaft section is provided with deviation rectifying fingers in running fit with the eccentric shaft sections; the rear end part of the deviation correcting finger is provided with a vertical plane which is in interference fit with the adjusting rod.
In order to optimize the technical scheme, the utility model further comprises the following improved technical scheme.
An adjusting seat is arranged between the first mounting plate and the second mounting plate, one end of the adjusting rod can axially stretch out and draw back and is arranged on the adjusting seat, the other end of the adjusting rod is fixed with a vertical adjusting matching surface, and the adjusting matching surface is matched with a corresponding correction finger vertical plane.
The eccentric driving shaft is provided with a first shaft part in rotating fit with the first mounting plate and a fifth shaft part in rotating fit with the second mounting plate; the first shaft part and the fifth shaft part are coaxially arranged, and eccentric shaft sections corresponding to the number of correction fingers are positioned between the first shaft part and the fifth shaft part.
The eccentric driving shaft is provided with a sixth shaft part which is arranged coaxially with the first shaft part, and the sixth shaft part is connected with a power output shaft of the deviation correcting motor through a transmission mechanism.
The first mounting plate or the second mounting plate is arranged on the lifting slide rail, and a lifting cylinder for driving the first mounting plate or the second mounting plate to lift is arranged.
The deviation correcting motor is fixedly connected with the first mounting plate or the second mounting plate through a deviation correcting motor mounting seat; the deviation correcting motor drives the eccentric driving shaft to rotate through the synchronous belt.
The rear part of the correction finger is provided with a shaft mounting hole which is in running fit with the eccentric driving shaft, the front part of the correction finger is provided with a mounting groove with an opening at the bottom, a fixing rod is arranged in the mounting groove, and a rotatable correction roller is sleeved on the fixing rod.
Compared with the prior art, the cloth feeding deviation correcting mechanism has the advantages that the deviation correcting motor drives the eccentric driving shaft to rotate forwards or reversely, and the eccentric shaft section of the eccentric driving shaft can drive two deviation correcting fingers to alternately twist on the bottom plate, so that the cloth conveying direction is corrected; the adjusting rod is propped against the rear end face of the deviation correcting mobile phone under the action of the spring, so that the deviation correcting finger keeps a horizontal posture in the motion process, and the device has the advantages of stable deviation correcting effect and long service life.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Fig. 2 is an exploded view of an embodiment of the present utility model.
Fig. 3 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 3 are schematic structural views of the present utility model.
Wherein the reference numerals are as follows: the first mounting plate 1, the second mounting plate 2, the eccentric driving shaft 3, the first shaft part 3a, the second shaft part 3b, the third shaft part 3c, the fourth shaft part 3d, the fifth shaft part 3e, the sixth shaft part 3f, the deviation rectifying finger 4, the mounting groove 41, the deviation rectifying roller 42, the fixing rod 43, the first synchronous wheel 7, the deviation rectifying motor mounting seat 8, the deviation rectifying motor 9, the second synchronous wheel 10, the synchronous belt 11, the adjusting seat 12, the through hole 13, the guide shaft sleeve 14, the baffle 15, the adjusting rod 16, the adjusting matching surface 16a, the lifting slide rail 17, the second connecting plate 18, the lifting cylinder 19, the connecting block 20, the connecting seat 21, the bottom plate 22 and the spring 23.
The cloth feeding deviation rectifying mechanism of the embodiment comprises a first mounting plate 1, a second mounting plate 2 and an eccentric driving shaft 3 rotatably arranged between the first mounting plate 1 and the second mounting plate 2, wherein two deviation rectifying fingers 4 are arranged on the eccentric driving shaft 3.
The eccentric drive shaft 3 is composed of a first shaft portion 3a, a second shaft portion 3b, a third shaft portion 3c, a fourth shaft portion 3d, a fifth shaft portion 3e, and a sixth shaft portion 3 f. The first shaft portion 3a is in rotational engagement with the first mounting plate 1 through a bearing, the fifth shaft portion 3e is in rotational engagement with the second mounting plate 2 through a bearing, and the first shaft portion 3a, the fifth shaft portion 3e and the sixth shaft portion 3f are coaxially arranged. Eccentric shaft sections corresponding to the number of correction fingers 4 are arranged between the first shaft part 3a and the fifth shaft part 3e, in the embodiment, the eccentric shaft sections are a second shaft part 3b and a fourth shaft part 3d, and the third shaft part 3c is positioned between the second shaft part 3b and the fourth shaft part 3d, so that a connecting effect is achieved.
The sixth shaft part 3f is fixedly provided with a first synchronous wheel 7, the first mounting plate 1 is provided with a deviation rectifying motor mounting seat 8, and the deviation rectifying motor mounting seat 8 is fixedly provided with a deviation rectifying motor 9. The output shaft of the deviation correcting motor 9 is connected with a second synchronizing wheel 10, the first synchronizing wheel 7 is in transmission connection with the second synchronizing wheel 10 through a synchronizing belt 11, and the deviation correcting motor 9 can drive the eccentric driving shaft 3 to rotate forwards or reversely through the synchronizing belt 11.
The axes of the second shaft portion 3b and the fourth shaft portion 3d are arranged eccentrically with respect to the axes of the first shaft portion 3a and the fifth shaft portion 3 e. In a preferred embodiment, the axes of the second shaft portion 3b and the fourth shaft portion 3d are in the same plane with the axes of the first shaft portion 3a and the fifth shaft portion 3e, and the two correction fingers 4 can perform the correction operations alternately.
The structure of the two correction fingers 4 is the same, the lower plane of the finger part of the correction finger 4 is provided with a mounting groove 41, a fixing rod 43 is arranged in the mounting groove 41, and a rotary correction roller 42 is sleeved on the fixing rod 43. The surface of the deviation rectifying roller 42 is provided with patterns, so that the friction force between the deviation rectifying roller 42 and the cloth is increased, and the deviation rectifying finger 4 can rectify the cloth.
The rear part of the deviation correcting finger 4 is provided with a shaft mounting hole which is in running fit with the corresponding eccentric shaft section through a bearing. The rear end of the deviation correcting finger 4 is provided with a vertical plane.
An adjusting seat 12 is arranged between the first mounting plate 1 and the second mounting plate 2, adjusting rods 16 corresponding to the correction fingers 4 in number are arranged on the adjusting seat 12, one end of each adjusting rod 16 can be axially and telescopically arranged on the adjusting seat 12, a vertical adjusting matching surface 16a is fixed at the other end of each adjusting rod, and the adjusting matching surfaces 16a are matched with the corresponding correction fingers 4 in a vertical plane.
The adjusting seat 12 is provided with two through holes 13 penetrating through the front end face and the rear end face, a guide shaft sleeve 14 is arranged in the through holes 13, a guide hole is formed in the middle of the guide shaft sleeve 14, and an adjusting rod 16 is slidably arranged in the guide hole. A baffle 15 is fixed at the rear end of the adjusting seat 12 for preventing the guide shaft sleeve 14 from falling out of the through hole 13. The adjusting rod 16 is sleeved with a spring 23, one end of the spring 23 is abutted against the adjusting matching surface 16a, the other end of the spring 23 is abutted against the guide shaft sleeve 14, and the spring 23 applies thrust to the adjusting matching surface 16a to enable the adjusting matching surface 16a to be abutted against the vertical plane of the deviation correcting finger 4. When the deviation rectifying finger 4 integrally moves under the drive of the eccentric driving shaft 3, the rear end surface of the deviation rectifying finger 4 is guided downwards at the adjusting matching surface 16a, so that the deviation rectifying finger 4 always keeps a horizontal posture in the deviation rectifying movement process.
A bottom plate 22 is arranged below the deviation rectifying finger 4, the bottom plate 22 is flush with the cloth conveying plane, and the cloth moves between the deviation rectifying finger 4 and the bottom plate 22 during operation. The moving direction of the cloth is consistent with the axial direction of the eccentric driving shaft 3, when the cloth moves, the deviation correcting roller 42 can passively rotate, and the deviation correcting finger 4 does not influence the normal conveying of the cloth. When correction is needed, the correction motor 9 drives the eccentric driving shaft 3 to rotate forward or reversely, at the moment, the correction finger 4 is driven by the eccentric driving shaft 3, and the finger part can lift off the bottom plate 22 and fall on the bottom plate 22 to twist, so that the cloth can move in the axial line direction of the correction roller 42, and correction is carried out on the cloth.
The second mounting plate 2 is mounted on the second connecting plate 18 in a vertically slidable manner through a lifting slide rail 17. The second mounting plate 2 is provided with a lifting cylinder 19, and a piston rod of the lifting cylinder 19 is connected with the upper end of the second connecting plate 18 through a connecting block 20. The second connecting plate 18 is arranged on the sewing machine seat through the connecting seat 21, and the bottom plate 22 is fixedly connected with the front end of the connecting seat 21 and is positioned below the deviation correcting finger 4. The whole cloth feeding deviation correcting mechanism can be driven to ascend or descend by controlling the working state of the lifting cylinder 19. The cloth feeding deviation correcting mechanism is in a standby state after ascending. The cloth feeding deviation correcting mechanism is in a working state after descending, and the deviation correcting finger 4 can realize deviation correcting action under the control of the deviation correcting motor 9.
During operation, the edge position of the conveyed cloth is detected by the sensor, and then the system controls the rotation direction of the deviation correcting motor 9 according to the edge position of the cloth so as to control the deviation correcting direction. The deviation rectifying motor 9 drives the eccentric driving shaft 3 to rotate through the synchronous belt 11, and the second shaft part 3b and the fourth shaft part 3d can drive the two deviation rectifying fingers 4 to move due to the eccentric action, so that the two deviation rectifying fingers 4 can alternatively rectify the cloth and can alternatively 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 mounting panel (1) and second mounting panel (2), characterized by: an eccentric driving shaft (3) driven by a motor is arranged between the first mounting plate (1) and the second mounting plate (2), the eccentric driving shaft (3) is provided with at least two eccentric shaft sections, and each eccentric shaft section is provided with a deviation rectifying finger (4) in running fit with the eccentric shaft section; the rear end part of the deviation correcting finger (4) is provided with a vertical plane which is in interference fit with the adjusting rod (16).
2. The cloth feeding deviation rectifying mechanism according to claim 1, wherein: an adjusting seat (12) is arranged between the first mounting plate (1) and the second mounting plate (2), one end of an adjusting rod (16) can be axially and telescopically arranged on the adjusting seat (12), a vertical adjusting matching surface (16 a) is fixed at the other end, and the adjusting matching surface (16 a) is matched with a corresponding vertical plane of the deviation rectifying finger (4).
3. The cloth feeding deviation rectifying mechanism according to claim 1, wherein: the eccentric driving shaft (3) is provided with a first shaft part (3 a) in rotating fit with the first mounting plate (1) and a fifth shaft part (3 e) in rotating fit with the second mounting plate (2); the first shaft part (3 a) and the fifth shaft part (3 e) are coaxially arranged, and eccentric shaft sections corresponding to the correction fingers (4) in number are positioned between the first shaft part (3 a) and the fifth shaft part (3 e).
4. A cloth feeding deviation rectifying mechanism according to claim 3, characterized in that: the eccentric driving shaft (3) is provided with a sixth shaft part (3 f) which is coaxially arranged with the first shaft part (3 a), and the sixth shaft part (3 f) is connected with a power output shaft of the deviation correcting motor (9) through a transmission mechanism.
5. A cloth feeding deviation rectifying mechanism according to claim 3, characterized in that: the first mounting plate (1) or the second mounting plate (2) is mounted on the lifting slide rail (17), and a lifting cylinder (19) for driving the first mounting plate (1) or the second mounting plate (2) to lift is arranged.
6. The cloth feeding deviation rectifying mechanism according to claim 4, wherein: the deviation correcting motor (9) is fixedly connected with the first mounting plate (1) or the second mounting plate (2) through a deviation correcting motor mounting seat (8); the deviation correcting motor (9) drives the eccentric driving shaft (3) to rotate through the synchronous belt (11).
7. The cloth feeding deviation rectifying mechanism according to claim 1, wherein: the rear part of the deviation correcting finger (4) is provided with a shaft mounting hole which is in running fit with the eccentric driving shaft (3), the front part of the deviation correcting finger (4) is provided with a mounting groove (41) with an opening at the bottom, a fixing rod (43) is mounted in the mounting groove (41), and a deviation correcting roller wheel (42) capable of rotating is sleeved on the fixing rod (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320202173.6U CN219637464U (en) | 2023-02-14 | 2023-02-14 | Cloth feeding deviation rectifying mechanism of sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320202173.6U CN219637464U (en) | 2023-02-14 | 2023-02-14 | Cloth feeding deviation rectifying mechanism of sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219637464U true CN219637464U (en) | 2023-09-05 |
Family
ID=87818145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320202173.6U Active CN219637464U (en) | 2023-02-14 | 2023-02-14 | Cloth feeding deviation rectifying mechanism of sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219637464U (en) |
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2023
- 2023-02-14 CN CN202320202173.6U patent/CN219637464U/en active Active
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