CN219772415U - Driving and adjusting mechanism suitable for flat seaming machine - Google Patents
Driving and adjusting mechanism suitable for flat seaming machine Download PDFInfo
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- CN219772415U CN219772415U CN202320669997.4U CN202320669997U CN219772415U CN 219772415 U CN219772415 U CN 219772415U CN 202320669997 U CN202320669997 U CN 202320669997U CN 219772415 U CN219772415 U CN 219772415U
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- presser foot
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- thread cutting
- foot lifting
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- 238000004826 seaming Methods 0.000 title claims abstract description 31
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 3
- 235000011613 Pinus brutia Nutrition 0.000 claims description 3
- 241000018646 Pinus brutia Species 0.000 claims description 3
- 238000010008 shearing Methods 0.000 claims description 2
- 238000009966 trimming Methods 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009958 sewing Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model belongs to the technical field of flat seaming machines, and relates to a driving and adjusting mechanism suitable for a flat seaming machine, which comprises a stepping motor fixed on a machine shell, wherein a motor shaft of the stepping motor is sequentially sleeved with a ratchet wheel, a differential driving cam, a thread cutting driving cam and a presser foot lifting driving cam, the ratchet wheel is rotationally connected with the motor shaft, the differential driving cam, the thread cutting driving cam and the presser foot lifting driving cam are fixedly connected with the motor shaft and arranged in a staggered manner, a pawl matched with the ratchet wheel is hinged on the machine shell on one side of the ratchet wheel, a ratchet wheel pin matched with the differential driving cam is arranged on the ratchet wheel, the differential driving cam drives the ratchet wheel pin and the ratchet wheel to rotate, the ratchet wheel pin drives a differential ratio adjusting mechanism to act, the thread cutting driving cam drives the thread cutting and loosening mechanism to act, and the presser foot lifting driving cam drives the presser foot lifting mechanism to act. The driving and adjusting mechanism of the flat seaming machine improves the production efficiency and the production quality and reduces the production cost of enterprises.
Description
Technical Field
The utility model belongs to the technical field of flat seaming machines, and relates to a driving and adjusting mechanism suitable for a flat seaming machine.
Background
Because of technological requirements in the work of the sewing machine, frequent lifting of the presser foot, thread cutting and thread loosening are required, and in the prior art, the presser foot, the thread cutting and the thread loosening are independently realized by a multipurpose air cylinder or a motor driving mechanism, and the sewing machine has the defects of complex structure, unfavorable installation and multiple types of parts and high cost. In addition, when different sewing materials are used, because of different technological requirements, the differential ratio of equipment needs to be adjusted, and the adjustment is generally performed manually at present, so that the accuracy is not high, and the sewing quality is affected. The existing design mechanism is driven by a motor to lift the presser foot, shear the thread and loosen the thread, and automatically adjusts the differential ratio, so that the production efficiency is improved, the production cost of enterprises is reduced, and the production quality is improved.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the driving and adjusting mechanism suitable for the flat seaming machine, which is driven by one motor to lift the presser foot, shear the thread and loosen the thread, automatically adjusts the differential ratio, improves the production efficiency and the production quality, and reduces the production cost of enterprises.
In order to solve the technical problems, the aim of the utility model is realized by the following technical scheme:
the utility model provides a drive and adjustment mechanism suitable for flat seaming machine, includes the step motor of fixing on the casing, the cover is equipped with ratchet, differential drive cam, thread cutting drive cam and lifts the presser foot drive cam in proper order on step motor's the motor shaft, the ratchet rotates with the motor shaft to be connected, differential drive cam, thread cutting drive cam and lift the presser foot drive cam and motor shaft fixed connection and dislocation set, articulated have with ratchet complex pawl on the casing of ratchet one side, be provided with on the ratchet with differential drive cam complex ratchet round pin, differential drive cam drive ratchet round pin and ratchet rotate, ratchet round pin drive differential ratio adjustment mechanism action, thread cutting drive cam drive thread cutting pine line mechanism action, lift the presser foot drive cam drive and lift presser foot mechanism action.
In the driving and adjusting mechanism suitable for the flat seaming machine, one side of the pawl is provided with the first torsion spring, the first torsion spring is installed on the machine shell through the shaft pin, one end of the first torsion spring is in abutting connection with the upper side face of the pawl, and the other end of the first torsion spring is in abutting connection with the torsion spring base or fixedly connected with the machine shell.
In the driving and adjusting mechanism suitable for the flat seaming machine, a differential adjusting first lever in contact connection is arranged above the ratchet pin, one end of the differential adjusting first lever is hinged with the machine shell, the other end of the differential adjusting first lever is connected with a differential adjusting first crank through a universal joint, the differential adjusting first crank is fixed at one end of a differential adjusting transverse shaft, a differential adjusting second crank is fixed at the other end of the differential adjusting transverse shaft, the differential adjusting second crank is connected with a differential adjusting third crank through a differential adjusting connecting rod, and the differential adjusting third crank is fixed on a differential adjusting shaft. Preferably, the differential adjusting first lever is of an upward protruding arc structure, and the ratchet pin is in contact connection with the lower arc surface of the differential adjusting first lever.
In the driving and adjusting mechanism suitable for the flat seaming machine, the casing is provided with the transverse shaft mounting seat, the differential adjusting transverse shaft is rotatably arranged on the transverse shaft mounting seat, the differential adjusting transverse shaft in the transverse shaft mounting seat is sleeved with the second torsion spring, one end of the second torsion spring is in abutting connection with the transverse shaft mounting seat, and the other end of the second torsion spring is fixedly connected with the differential adjusting transverse shaft.
In the driving and adjusting mechanism suitable for the flat seaming machine, the adjusting mechanism is provided with a plurality of differential ratio gears, and in the adjusting range of the differential ratio gears, the ratchet wheel corresponds to one differential ratio every time one tooth rotates. Preferably, the differential ratio gear is set to four, and the ratchet wheel returns to the initial gear after one rotation.
In the driving and adjusting mechanism suitable for the flat seaming machine, the presser foot lifting driving cam is correspondingly provided with the presser foot lifting cam follower, the presser foot lifting cam follower is rotatably arranged at one end of the presser foot lifting lever, the presser foot lifting lever is fixedly provided with the presser foot lifting driving shaft, the presser foot lifting driving shaft is fixedly provided with the presser foot lifting first crank, the presser foot lifting first crank is connected with the presser foot lifting second crank through the presser foot lifting first connecting rod, the presser foot lifting second crank is fixedly arranged at one end of the presser foot lifting transverse shaft, the other end of the presser foot lifting transverse shaft is fixedly provided with the presser foot lifting third crank, the presser foot lifting third crank is connected with the presser foot lifting fourth crank through the presser foot lifting second connecting rod, the presser foot lifting fourth crank is connected with the presser foot lifting vertical shaft, and the presser foot lifting vertical shaft is connected with the presser foot assembly. Further, the presser foot lifting mechanism is reset through an original presser foot lifting reset mechanism.
In the driving and adjusting mechanism suitable for the flat seaming machine, the thread cutting driving cam is correspondingly provided with the thread cutting cam follower, the thread cutting cam follower is rotatably arranged at the first end of the thread cutting and loosening driving lever, the second end of the thread cutting and loosening driving lever is connected with the thread loosening mechanism, and the third end of the thread cutting driving lever is connected with the thread cutting mechanism.
In the driving and adjusting mechanism suitable for the flat seaming machine, the upper end of the thread cutting and loosening driving lever is connected with the loosening crank through the loosening connecting rod, the loosening crank is fixed at one end of the loosening shaft, and the other end of the loosening shaft is fixed with the loosening poking piece.
In the driving and adjusting mechanism suitable for the flat seaming machine, the lower end of the thread cutting and loosening driving lever is connected with the thread cutting first crank through the thread cutting first connecting rod, the thread cutting first crank is fixed at one end of the thread cutting guide shaft, the other end of the thread cutting guide shaft is fixed with the thread cutting second crank, and the thread cutting second crank is connected with the thread cutting knife assembly through the thread cutting second connecting rod.
In the driving and adjusting mechanism suitable for the flat seaming machine, the thread cutting guide shaft is sleeved with the reset spring for driving the thread cutting mechanism and the thread loosening mechanism to reset. Of course, the thread cutting and loosening mechanism can also reset by using the original resetting mechanism of the thread cutting knife assembly.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model improves the driving and adjusting mechanism suitable for the flat seaming machine, and the differential ratio is automatically adjusted by driving the three actions of lifting the presser foot, shearing the thread and loosening the thread through one motor. Furthermore, the differential adjusting mechanism does not work when the thread cutting and the presser foot lifting are driven to act, and the differential ratio is kept fixed. The thread cutting and loosening and presser foot lifting driving mechanism and the differential ratio adjusting mechanism of the flat seaming machine improve the production efficiency and the production quality and reduce the production cost of enterprises.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a first transmission block diagram of the present utility model;
FIG. 3 is a second transmission block diagram of the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a third transmission block diagram of the present utility model;
FIG. 6 is a fourth transmission block diagram of the present utility model;
reference numerals: 1. a housing; 2. a stepping motor; 3. a ratchet wheel; 4. a differential drive cam; 5. a thread cutting driving cam; 6. a presser foot lifting driving cam; 7. a pawl; 8. a ratchet pin; 9. a first torsion spring; 10. differentially adjusting the first lever; 11. a universal joint; 12. differentially adjusting the first crank; 13. differentially adjusting the transverse shafts; 14. differentially adjusting the second crank; 15. a differential adjusting link; 16. differentially adjusting the third crank; 17. a differential adjusting shaft; 18. a cross shaft mounting seat; 19. a second torsion spring; 20. lifting the presser foot cam follower; 21. a presser foot lifting lever; 22. a presser foot lifting driving shaft; 23. lifting a first crank of the presser foot; 24. lifting the first connecting rod of the presser foot; 25. lifting the second crank of the presser foot; 26. lifting a presser foot cross shaft; 27. lifting a third crank of the presser foot; 28. lifting the second connecting rod of the presser foot; 29. lifting a fourth crank of the presser foot; 30. lifting a vertical shaft of the presser foot; 31. a presser foot assembly; 32. a thread cutting cam follower; 33. a thread cutting and loosening driving lever; 34. a loose wire connecting rod; 35. a wire loosening crank; 36. a loosening shaft; 37. loosening the thread pulling piece; 38. cutting a first connecting rod; 39. a first crank is used for cutting the wire; 40. a wire cutting guide shaft; 41. a second crank is used for cutting the wire; 42. cutting a second connecting rod; 43. a wire cutting knife assembly; 44. and a return spring.
Detailed Description
The utility model is further described in the following by way of specific embodiments with reference to the accompanying drawings, see fig. 1-4:
the utility model provides a drive and adjustment mechanism suitable for flat seaming machine, includes the step motor 2 of fixing on casing 1, the cover is equipped with ratchet 3, differential drive cam 4, thread cutting drive cam 5 and lifts presser foot drive cam 6 in proper order on step motor 2's the motor shaft, ratchet 3 and motor shaft rotate and are connected, differential drive cam 4, thread cutting drive cam 5 and lift presser foot drive cam 6 and motor shaft fixed connection and dislocation set, articulated on casing 1 of ratchet 3 one side have with ratchet 3 complex pawl 7, be provided with on the ratchet 3 with differential drive cam 4 complex ratchet round pin 8, differential drive cam 4 drive ratchet round pin 8 and ratchet 3 rotate, ratchet round pin 8 drive differential ratio adjustment mechanism action, thread cutting drive cam 5 drive thread cutting pine line mechanism action, presser foot drive cam 6 drive lifts presser foot mechanism action.
Referring to fig. 4, in order to make the pawl 7 form a more stable limit structure to the ratchet 3, a first torsion spring 9 is disposed on one side of the pawl 7, the first torsion spring 9 is mounted on the casing 1 through a shaft pin, one end of the first torsion spring 9 is in abutting connection with the upper side surface of the pawl 7, the other end of the first torsion spring is in abutting connection with a torsion spring base or is fixedly connected with the casing 1, the first torsion spring 9 applies a force to the pawl 7 in the direction of the ratchet 3, and compresses the pawl 7 in a tooth gap of the ratchet 3.
Referring to fig. 2 and 3, the specific structure of the differential ratio adjusting mechanism driven by the ratchet pin 8 in this embodiment is as follows: the upper part of the ratchet pin 8 is provided with a differential adjustment first lever 10 in contact connection, one end of the differential adjustment first lever 10 is hinged with the casing 1, the other end of the differential adjustment first lever is connected with a differential adjustment first crank 12 through a universal joint 11, the universal joint package 11 comprises two joint bearings and a screw rod, the differential adjustment first crank 12 is fixed at one end of a differential adjustment transverse shaft 13, the other end of the differential adjustment transverse shaft 13 is fixed with a differential adjustment second crank 14, the differential adjustment second crank 14 is connected with a differential adjustment third crank 16 through a differential adjustment connecting rod 15, and the differential adjustment third crank 16 is fixed on a differential adjustment shaft 17. Preferably, the differential adjusting first lever 10 has an upward protruding arc structure, and the ratchet pin 8 is in contact connection with the lower arc surface of the differential adjusting first lever 10.
The casing 1 is provided with a transverse shaft mounting seat 18, the differential adjusting transverse shaft 13 is rotatably arranged on the transverse shaft mounting seat 18, a second torsion spring 19 is sleeved on the differential adjusting transverse shaft 13 in the transverse shaft mounting seat 18, one end of the second torsion spring 19 is in abutting connection with the transverse shaft mounting seat 18, and the other end of the second torsion spring 19 is fixedly connected with the differential adjusting transverse shaft 13. By the presence of the second torsion spring 19 and the pawl 7, the differential adjusting mechanism can be kept relatively fixed, thereby locking the differential ratio.
Further, the adjusting mechanism is provided with a plurality of differential ratio gears, and in the adjusting range of the differential ratio gears, the ratchet wheel 3 corresponds to one differential ratio every time one tooth is rotated. Preferably, the differential ratio gear is set to four, and the ratchet wheel 3 returns to the initial gear after one rotation.
Referring to fig. 2, the specific structure of the presser foot lifting mechanism driven by the presser foot lifting driving cam 6 in this embodiment is as follows: the presser foot lifting driving cam 6 is correspondingly provided with a presser foot lifting cam follower 20, the presser foot lifting cam follower 20 is rotatably arranged at one end of a presser foot lifting lever 21, a presser foot lifting driving shaft 22 is fixed on the presser foot lifting lever 21, a presser foot lifting first crank 23 is fixed on the presser foot lifting driving shaft 22, the presser foot lifting first crank 23 is connected with a presser foot lifting second crank 25 through a presser foot lifting first connecting rod 24, the presser foot lifting second crank 25 is fixed at one end of a presser foot lifting transverse shaft 26, the other end of the presser foot lifting transverse shaft 26 is fixedly provided with a presser foot lifting third crank 27, the presser foot lifting third crank 27 is connected with a presser foot lifting fourth crank 29 through a presser foot lifting second connecting rod 28, the presser foot lifting fourth crank 29 is connected with a presser foot lifting vertical shaft 30, and the presser foot lifting vertical shaft 30 is connected with a component 31. Further, the presser foot lifting mechanism is reset through an original presser foot lifting reset mechanism.
Referring to fig. 5 and 6, the specific structure of the thread cutting and loosening mechanism driven by the thread cutting driving cam 5 in this embodiment is as follows: the thread cutting driving cam 5 is correspondingly provided with a thread cutting cam follower 32, the thread cutting cam follower 32 is rotatably arranged at a first end of a thread cutting loosening driving lever 33, a second end of the thread cutting loosening driving lever 33 is connected with a thread loosening mechanism, and a third end of the thread cutting loosening driving lever is connected with the thread cutting mechanism.
Further, the driving structure of the thread loosening mechanism is as follows: the upper end of the shear thread loosening driving lever 33 is connected with a thread loosening crank 35 through a thread loosening connecting rod 34, the thread loosening crank 35 is fixed at one end of a thread loosening shaft 36, and a thread loosening pulling piece 37 is fixed at the other end of the thread loosening shaft 36.
Further, the driving structure of the wire cutting mechanism is as follows: the lower end of the thread cutting and loosening driving lever 33 is connected with a thread cutting first crank 39 through a thread cutting first connecting rod 38, the thread cutting first crank 39 is fixed at one end of a thread cutting guide shaft 40, a thread cutting second crank 41 is fixed at the other end of the thread cutting guide shaft 40, and the thread cutting second crank 41 is connected with a thread cutting knife assembly 43 through a thread cutting second connecting rod 42.
In order to drive the thread cutting and loosening mechanism to reset after the thread cutting action is completed, a reset spring 44 for driving the thread cutting mechanism and the loosening mechanism to reset is sleeved on the thread cutting guide shaft 40.
The working procedure of this embodiment is:
1. step-by-step adjustment of differential ratio: the step motor 2 rotates anticlockwise, the differential driving cam 4 is driven to rotate upwards, the differential driving cam 4 pushes the ratchet pin 8 arranged on the ratchet wheel 3, the ratchet wheel 3 rotates upwards, the ratchet pin 8 on the ratchet wheel 3 pushes the differential adjusting first lever 10 to rotate upwards, the differential adjusting first lever 10 pulls the differential adjusting first crank 12 to rotate upwards through the universal joint 11, the differential adjusting first crank 12 drives the differential adjusting transverse shaft 13 to synchronously rotate, the differential adjusting transverse shaft 13 drives the differential adjusting second crank 14 to rotate downwards, the differential adjusting second crank 14 pushes the differential adjusting third crank 16 to rotate downwards through the differential adjusting connecting rod 15, and the differential adjusting third crank 16 drives the differential adjusting shaft 17 to rotate downwards, so that differential ratio is reduced, and the step motor 2 resets.
2. Step-by-step foot lifting: the stepping motor 2 rotates anticlockwise to drive the presser foot lifting driving cam 6 to rotate anticlockwise, the presser foot lifting driving cam 6 pushes the presser foot lifting cam follower 20 arranged on the presser foot lifting lever 21 to the right, so that the presser foot lifting lever 21 rotates anticlockwise, the presser foot lifting lever 21 drives the presser foot lifting driving shaft 22 to rotate anticlockwise, the presser foot lifting driving shaft 22 drives the presser foot lifting first crank 23 to rotate anticlockwise, the presser foot lifting first crank 23 drives the presser foot lifting second crank 25 to rotate downwards through the presser foot lifting first connecting rod 24, the presser foot lifting second crank 25 drives the presser foot lifting transverse shaft 26 to rotate anticlockwise, the presser foot lifting transverse shaft 26 drives the presser foot lifting third crank 27 to rotate anticlockwise, the presser foot lifting third crank 27 drives the presser foot lifting second connecting rod 28 to move upwards, the presser foot lifting second connecting rod 28 drives the presser foot lifting fourth crank 29 to move upwards, the presser foot lifting fourth crank 29 drives the presser foot lifting vertical shaft 30 to move upwards, and the presser foot lifting assembly 31 is driven to move upwards, and the presser foot lifting motion is realized. The stepping motor 2 resets, and the original mechanism driving mechanism for lifting the presser foot resets. In the range of the motor rotation angle of the presser foot lifting action, the differential driving cam 4 is driven to not push the ratchet pin 8, so that the differential adjusting mechanism does not work and does not trigger the differential ratio adjusting action; the motor rotating direction of the thread cutting and loosening action is opposite to the presser foot lifting action, so that the thread cutting and loosening action is not triggered when the presser foot lifting action is performed.
3. Step-by-step loose thread cutting: the stepping motor 2 rotates clockwise to drive the thread cutting driving cam 5 to rotate clockwise, the thread cutting driving cam 5 pushes the thread cutting cam follower 32 arranged on the thread cutting and loosening driving lever 33, the thread cutting and loosening driving lever 33 rotates rightwards, the upper end of the thread cutting and loosening driving lever 33 drives the thread loosening crank 35 to rotate upwards through the thread loosening connecting rod 34, the thread loosening crank 35 drives the thread loosening shaft 36 to rotate, and the thread loosening shaft 36 drives the thread loosening pulling piece 37 to rotate downwards to realize thread loosening. The lower end of the thread cutting and loosening driving lever 33 drives a thread cutting first crank 39 to move rightwards through a thread cutting first connecting rod 38, the thread cutting first crank 39 drives a thread cutting guide shaft 40 to move synchronously, the thread cutting guide shaft 40 drives a thread cutting second crank 41 to move synchronously, and the thread cutting second crank 41 drives a thread cutting knife assembly 43 through a thread cutting second connecting rod 42 to realize thread cutting. The stepping motor 2 is reset, and the reset spring 44 drives the thread cutting and loosening mechanism to reset. The motion of lifting the presser foot and the motor rotation direction are opposite to the thread cutting and loosening motion, so that the motion of lifting the presser foot and the differential ratio adjusting motion can not be triggered during the thread cutting and loosening motion.
The above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model in this way, therefore: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (10)
1. The utility model provides a drive and adjustment mechanism suitable for flat seaming machine, includes step motor (2) of fixing on casing (1), its characterized in that, be equipped with ratchet (3), differential drive cam (4), trimming drive cam (5) and lift presser foot drive cam (6) on the motor shaft of step motor (2) in proper order, ratchet (3) are connected with the motor shaft rotation, differential drive cam (4), trimming drive cam (5) and lift presser foot drive cam (6) and motor shaft fixed connection and dislocation set, articulated have pawl (7) with ratchet (3) complex on casing (1) of ratchet (3) one side, be provided with on ratchet (3) with differential drive cam (4) complex ratchet round pin (8), differential drive cam (4) drive ratchet round pin (8) and ratchet (3) rotate, ratchet round pin (8) drive differential ratio adjustment mechanism action, trimming drive cam (5) drive trimming pine line mechanism action, drive presser foot mechanism action.
2. The driving and adjusting mechanism for the flat seaming machine according to claim 1, wherein a first torsion spring (9) is arranged on one side of the pawl (7), the first torsion spring (9) is installed on the machine shell (1) through a shaft pin, one end of the first torsion spring (9) is in abutting connection with the upper side face of the pawl (7), and the other end of the first torsion spring is in abutting connection with a torsion spring base or is fixedly connected with the machine shell (1).
3. The driving and adjusting mechanism for the flat seaming machine according to claim 1, characterized in that a differential adjusting first lever (10) in contact connection is arranged above the ratchet pin (8), one end of the differential adjusting first lever (10) is hinged with the machine shell (1), the other end of the differential adjusting first lever is connected with a differential adjusting first crank (12) through a universal joint (11), the differential adjusting first crank (12) is fixed at one end of a differential adjusting transverse shaft (13), a differential adjusting second crank (14) is fixed at the other end of the differential adjusting transverse shaft (13), a differential adjusting third crank (16) is connected with the differential adjusting second crank (14) through a differential adjusting connecting rod (15), and the differential adjusting third crank (16) is fixed on a differential adjusting shaft (17).
4. A driving and adjusting mechanism for a flat seaming machine according to claim 3, characterized in that a transverse shaft mounting seat (18) is provided on the casing (1), the differential adjusting transverse shaft (13) is rotatably provided on the transverse shaft mounting seat (18), a second torsion spring (19) is sleeved on the differential adjusting transverse shaft (13) in the transverse shaft mounting seat (18), one end of the second torsion spring (19) is in abutting connection with the transverse shaft mounting seat (18), and the other end of the second torsion spring is fixedly connected with the differential adjusting transverse shaft (13).
5. A driving and adjusting mechanism for flat seaming machine according to claim 1, characterized in that the adjusting mechanism is provided with a plurality of differential ratio gears, one differential ratio for each tooth turn of the ratchet wheel (3) in the range of differential ratio gear adjustment.
6. The driving and adjusting mechanism suitable for the flat seaming machine according to claim 1, characterized in that the presser foot lifting driving cam (6) is correspondingly provided with a presser foot lifting cam follower (20), the presser foot lifting cam follower (20) is rotatably arranged at one end of a presser foot lifting lever (21), a presser foot lifting driving shaft (22) is fixed on the presser foot lifting lever (21), a presser foot lifting first crank (23) is fixed on the presser foot lifting driving shaft (22), the presser foot lifting first crank (23) is connected with a presser foot lifting second crank (25) through a presser foot lifting first connecting rod (24), the presser foot lifting second crank (25) is fixed at one end of a presser foot lifting transverse shaft (26), the other end of the presser foot lifting transverse shaft (26) is fixedly provided with a presser foot lifting third crank (27), the presser foot lifting third crank (27) is connected with a presser foot lifting fourth crank (29) through a presser foot lifting second connecting rod (28), the presser foot lifting fourth crank (29) is connected with a vertical shaft (30), and the presser foot lifting vertical shaft (30) is connected with a vertical shaft (31).
7. The driving and adjusting mechanism for the flat seaming machine according to claim 1, wherein the thread cutting driving cam (5) is correspondingly provided with a thread cutting cam follower (32), the thread cutting cam follower (32) is rotatably arranged at a first end of a thread cutting and loosening driving lever (33), a second end of the thread cutting and loosening driving lever (33) is connected with the thread loosening mechanism, and a third end of the thread cutting and loosening driving lever is connected with the thread cutting mechanism.
8. The driving and adjusting mechanism for flat seaming machine according to claim 7, characterized in that the upper end of the shearing thread loosening driving lever (33) is connected with a thread loosening crank (35) through a thread loosening connecting rod (34), the thread loosening crank (35) is fixed at one end of a thread loosening shaft (36), and a thread loosening pulling piece (37) is fixed at the other end of the thread loosening shaft (36).
9. The driving and adjusting mechanism for flat seaming machine according to claim 7, wherein the lower end of the thread cutting and loosening driving lever (33) is connected with a first thread cutting crank (39) through a first thread cutting connecting rod (38), the first thread cutting crank (39) is fixed at one end of a thread cutting guiding shaft (40), a second thread cutting crank (41) is fixed at the other end of the thread cutting guiding shaft (40), and the second thread cutting crank (41) is connected with a thread cutting knife assembly (43) through a second thread cutting connecting rod (42).
10. The driving and adjusting mechanism for flat seaming machine according to claim 9, wherein the thread cutting guide shaft (40) is sleeved with a return spring (44) for driving the thread cutting mechanism and the thread loosening mechanism to return.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320669997.4U CN219772415U (en) | 2023-03-22 | 2023-03-22 | Driving and adjusting mechanism suitable for flat seaming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320669997.4U CN219772415U (en) | 2023-03-22 | 2023-03-22 | Driving and adjusting mechanism suitable for flat seaming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219772415U true CN219772415U (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320669997.4U Active CN219772415U (en) | 2023-03-22 | 2023-03-22 | Driving and adjusting mechanism suitable for flat seaming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219772415U (en) |
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2023
- 2023-03-22 CN CN202320669997.4U patent/CN219772415U/en active Active
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