CN219991883U - Feeding mechanism for sewing machine - Google Patents
Feeding mechanism for sewing machine Download PDFInfo
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- CN219991883U CN219991883U CN202321059815.8U CN202321059815U CN219991883U CN 219991883 U CN219991883 U CN 219991883U CN 202321059815 U CN202321059815 U CN 202321059815U CN 219991883 U CN219991883 U CN 219991883U
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- driving
- connecting rod
- sewing machine
- feeding
- shaft
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- 238000009958 sewing Methods 0.000 title claims abstract description 43
- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 230000000670 limiting effect Effects 0.000 claims description 12
- 239000004744 fabric Substances 0.000 abstract description 27
- 238000000926 separation method Methods 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003031 feeding effect Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model discloses a feeding mechanism for a sewing machine, which comprises a feeding assembly, a first driving assembly and a second driving assembly, wherein the feeding assembly comprises a feeding plate, a strip-shaped hole is formed in the feeding plate along the vertical direction, a movable block is arranged in the strip-shaped hole and can slide up and down in the strip-shaped hole, the movable block is rotationally connected with the sewing machine, a tooth frame is further arranged at the top of the feeding plate, a lifting tooth is arranged at the top of the tooth frame, the first driving assembly is used for driving the feeding plate to move up and down, and the second driving assembly is used for driving the feeding plate to move back and forth. The utility model can drive the synchronous movement of multiple layers of fabrics with inconsistent thickness, can not cause the separation of the fabrics, and achieves the purpose of orderly and rapid feeding.
Description
Technical Field
The utility model relates to the technical field of sewing machine equipment, in particular to a feeding mechanism for a sewing machine.
Background
A sewing machine is a machine that interweaves or sews one or more layers of stitching material by forming one or more stitches on the stitching material with one or more stitching threads.
At present, the application technology of the sewing machine is more and more complex, the existing sewing machine adopts the mode of upper and lower roller feeding teeth to feed, sewing types are limited, if multiple layers of fabrics with inconsistent thickness are placed on the roller feeding teeth, different layers of fabrics can be conveyed forwards by the roller feeding teeth in the feeding process in an unsynchronized mode, the multiple layers of fabrics are separated and misplaced, chinese patent publication No. CN 215404892U discloses a gear feeding mechanism of the sewing machine, a transmission structure of the cloth feeding mechanism of the sewing machine is optimized, the roller feeding teeth are driven to feed through a driving gear and a driven gear which are meshed with each other, but if multiple layers of fabrics with inconsistent thickness are placed on the roller feeding teeth, different layers of fabrics can be conveyed forwards by the roller feeding teeth in the feeding process in an unsynchronized mode, the multiple layers of fabrics are separated and misplaced, and regular, convenient and rapid feeding cannot be achieved.
Disclosure of Invention
The utility model aims to solve the technical problem that the use effect is affected by the separation and dislocation of multiple layers of fabrics due to the fact that different layers of fabrics are conveyed forwards in a non-synchronous mode in the feeding process of the conventional feeding teeth of the sewing machine by adopting roller feeding teeth, and provides a feeding mechanism for the sewing machine, which can drive multiple layers of fabrics with inconsistent thickness to synchronously move, does not cause the separation of the fabrics, and achieves the purpose of orderly and rapid feeding.
In order to solve the problems, the utility model is realized by adopting the following technical scheme:
the utility model relates to a feeding mechanism for a sewing machine, which comprises a feeding assembly, a first driving assembly and a second driving assembly, wherein the feeding assembly comprises a feeding plate, a strip-shaped hole is formed in the feeding plate along the vertical direction, a movable block is arranged in the strip-shaped hole and can slide up and down in the strip-shaped hole, the movable block is rotationally connected with the sewing machine, a tooth frame is further arranged at the top of the feeding plate, a lifting tooth is arranged at the top of the tooth frame, the first driving assembly is used for driving the feeding plate to move up and down, and the second driving assembly is used for driving the feeding plate to move back and forth.
In this scheme, during the pay-off, lift the in-process that the tooth moved forward and rise earlier and stretch out the sewing machine pay-off mouth, descend again and get back to the sewing machine pay-off mouth and realize the pay-off, send out and move backward, the in-process that moves backward descends earlier and rises again to get back to the normal position, lift the mode of tooth swing pay-off and avoided current two-layer cloth pay-off to be asynchronous from top to bottom, the movable block mutually supports with the bar hole, has reached the spacing effect of direction, the neat and quick pay-off of fabric of being convenient for.
Preferably, the sewing machine further comprises a limiting plate arranged on the sewing machine, a notch for the feeding plate to pass through is formed in the limiting plate, and the feeding plate passes through the notch and can swing in the notch.
The limiting plate plays a limiting role on the feeding plate.
Preferably, the feeding assembly further comprises a movable plate, the bottom of the feeding plate is rotationally connected with the middle of the movable plate, the movable plate is parallel to the lifting teeth, the first driving assembly is used for driving the movable plate to move up and down, and the second driving assembly is used for driving the movable plate to move back and forth.
Preferably, the first driving assembly comprises a connecting shaft and a first driving mechanism, the connecting shaft is sleeved with a first shaft sleeve, a fixed block is arranged on the first shaft sleeve, a sliding block is arranged on the fixed block, the rear part of the movable plate is provided with a sliding groove along the front-rear direction, the sliding block is arranged in the sliding groove and can slide along the sliding groove, and the first driving mechanism is used for driving the connecting shaft to rotate so that the sliding block moves up and down.
The sliding block is matched with the sliding groove, can move back and forth in the sliding groove, and can drive the movable plate to move up and down through the sliding groove.
Preferably, the first driving mechanism comprises a first rotating shaft, a first connecting rod and a first driving module, wherein an eccentric wheel is sleeved on the first rotating shaft, a bearing is sleeved on the eccentric wheel, the bearing is coaxial with the eccentric wheel, a second shaft sleeve is arranged on the connecting shaft and connected with the bearing through a first connecting rod, one end of the first connecting rod is fixedly connected with the bearing, the other end of the first connecting rod is rotationally connected with the second shaft sleeve, the connecting shaft is parallel to the first rotating shaft, the first rotating shaft is perpendicular to the first connecting rod, and the first driving module is used for driving the first rotating shaft to rotate.
The first rotating shaft drives the eccentric wheel to rotate, the eccentric wheel drives the bearing to move, and the bearing is fixedly connected with the first connecting rod, so that the bearing drives the first connecting rod to move back and forth under the condition of non-rotation, and the first connecting rod drives the connecting shaft to rotate through the second sleeve.
Preferably, the first driving module comprises a driven wheel, a driving wheel and a first motor, the driven wheel is sleeved on the first rotating shaft, the driven wheel is connected with the driving wheel through a conveying belt, and the first motor is used for driving the driving wheel to rotate.
Preferably, the second driving assembly comprises a second rotating shaft, a second connecting rod, a third connecting rod and a second driving module, wherein a third shaft sleeve is arranged on the second rotating shaft, the third connecting rod is fixedly connected with the front part of the movable plate and is mutually perpendicular to the second rotating shaft, the third connecting rod is mutually parallel to the second rotating shaft, the third connecting rod is connected with the third shaft sleeve through the second connecting rod, one end of the second connecting rod is fixedly connected with the third shaft sleeve, the other end of the second connecting rod is rotationally connected with the third connecting rod, and the second driving module is used for driving the second rotating shaft to rotate so that the third connecting rod moves forwards and backwards.
The third shaft sleeve is fixedly connected with the second rotating shaft, when the second driving module drives the second rotating shaft to rotate, the second rotating shaft drives the second connecting rod to move back and forth through the third shaft sleeve, the second connecting rod drives the third connecting rod to move back and forth, the third connecting rod drives the movable plate to move back and forth, the first driving assembly and the second driving assembly are mutually matched to enable the movable plate to reciprocate back and forth up and down, and therefore the feeding plate at the middle of the movable plate is driven to swing to feed fabrics neatly and rapidly.
Preferably, the second driving module comprises a fourth shaft sleeve, a fourth connecting rod and a second motor, the fourth shaft sleeve is arranged on the second rotating shaft, one end of the fourth connecting rod is rotationally connected with the fourth shaft sleeve, and the other end of the fourth connecting rod is connected with the second motor.
Preferably, the feeding assembly further comprises a support plate, a through hole is formed in the movable plate, a fixing rod is longitudinally arranged in the through hole, one end of the support plate is sleeved on the fixing rod and can slide up and down along the fixing rod, and the other end of the support plate is rotationally connected with the sewing machine.
The through holes are matched with the supporting plates.
Preferably, the second driving assembly further comprises a bearing seat, the bearing seat is fixedly connected with the sewing machine, and the second rotating shaft penetrates through the bearing seat and is rotationally connected with the bearing seat.
The bearing pedestal plays a role in fixing and stabilizing the second rotating shaft.
The beneficial effects of the utility model are as follows: the multi-layer fabric feeding device can drive the multi-layer fabric with inconsistent thickness to synchronously move, so that the fabric is not separated, and the tidy and rapid feeding is achieved.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
FIG. 2 is a schematic diagram of a feed plate structure of an embodiment;
FIG. 3 is a cross-sectional view of an eccentric of an embodiment;
in the figure: 1. the device comprises a first rotating shaft, 2, a conveyor belt, 3, an eccentric wheel, 4, a bearing, 5, a first connecting rod, 6, a second shaft sleeve, 7, a connecting shaft, 8, a first shaft sleeve, 9, a fixed block, 10, a sliding block, 11, a movable plate, 12, a sliding chute, 13, a feeding plate, 14 and a supporting plate; 15. the device comprises a driven wheel, 16, a second rotating shaft, 17, a fourth shaft sleeve, 18, a fourth connecting rod, 19, a bearing seat, 20, a third shaft sleeve, 21, a second connecting rod, 22, a third connecting rod, 23, a bar-shaped hole, 24 and a movable block; 25. the tooth frame, 26, lifting teeth, 27 and limiting plates.
Detailed Description
The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
Examples: the feeding mechanism for the sewing machine of the embodiment comprises a feeding assembly, a first driving assembly and a second driving assembly, wherein the feeding assembly comprises a feeding plate 13, a strip-shaped hole 23 is formed in the feeding plate 13 along the vertical direction, a movable block 24 is arranged in the strip-shaped hole 23, the movable block 24 can slide up and down in the strip-shaped hole 23, the movable block 24 is rotationally connected with the sewing machine, a tooth frame 25 is further arranged at the top of the feeding plate 13, and a lifting tooth 26 is arranged at the top of the tooth frame 25.
The sewing machine further comprises a limiting plate 27 arranged on the sewing machine, a notch for the feeding plate 13 to pass through is formed in the limiting plate 27, and the feeding plate 13 passes through the notch and can swing in the notch.
The feeding assembly further comprises a movable plate 11 and a supporting plate 14, the bottom of the feeding plate 13 is rotationally connected with the middle of the movable plate 11, the movable plate 11 is parallel to the lifting teeth 26, the first driving assembly is used for driving the movable plate 11 to move up and down, the second driving assembly is used for driving the movable plate 11 to move back and forth, a through hole is formed in the movable plate 11, a fixing rod is longitudinally arranged in the through hole, one end of the supporting plate 14 is sleeved on the fixing rod and can slide up and down along the fixing rod, and the other end of the supporting plate 14 is rotationally connected with the sewing machine.
The first driving assembly comprises a connecting shaft 7 and a first driving mechanism, a first shaft sleeve 8 is sleeved on the connecting shaft 7, a fixed block 9 is arranged on the first shaft sleeve 8, a sliding block 10 is arranged on the fixed block 9, the rear part of a movable plate 11 is provided with a sliding groove 12 along the front-back direction, the sliding block 10 is arranged in the sliding groove 12 and can slide along the sliding groove 12, the first driving mechanism is used for driving the connecting shaft 7 to rotate so that the sliding block 10 moves up and down, the first driving mechanism comprises a first rotating shaft 1, a first connecting rod 5 and a first driving module, an eccentric wheel 3 is sleeved on the first rotating shaft 1, a bearing 4 is sleeved on the eccentric wheel 3, the bearing 4 is coaxial with the eccentric wheel 3, a second shaft sleeve 6 is arranged on the connecting shaft 7, the second shaft sleeve 6 is connected with the bearing 4 through a first connecting rod 5, one end of the first connecting rod 5 is fixedly connected with the bearing 4, the other end of the first connecting rod 5 is rotationally connected with the second shaft sleeve 6, the connecting shaft 7 is parallel to the first rotating shaft 1, the first rotating shaft 1 is perpendicular to the first connecting rod 5, the first driving shaft 1 is used for driving the first rotating shaft 1 to rotate, the first driving shaft 15 is sleeved on the first rotating shaft 15, the first rotating shaft 1 is sleeved on the first rotating shaft 1 through a driving belt, and the first driving pulley 15 is connected with the driving pulley 2.
The second driving assembly comprises a second rotating shaft 16, a second connecting rod 21, a third connecting rod 22, a second driving module and a bearing seat 19, a third shaft sleeve 20 is arranged on the second rotating shaft 16, the third connecting rod 22 is fixedly connected with the front part of the movable plate 11 and is mutually perpendicular, the third connecting rod 22 is mutually parallel to the second rotating shaft 16, the third connecting rod 22 is connected with the third shaft sleeve 20 through the second connecting rod 21, one end of the second connecting rod 21 is fixedly connected with the third shaft sleeve 20, the other end of the second connecting rod 21 is rotationally connected with the third connecting rod 22, and the second driving module is used for driving the second rotating shaft 16 to rotate so as to enable the third connecting rod 22 to move forwards and backwards. The second driving module comprises a fourth shaft sleeve 17, a fourth connecting rod 18 and a second motor, the fourth shaft sleeve 17 is arranged on the second rotating shaft 16, one end of the fourth connecting rod 18 is rotationally connected with the fourth shaft sleeve 17, the other end of the fourth connecting rod 18 is connected with the second motor, a bearing seat 19 is fixedly connected with the sewing machine, and the second rotating shaft 16 penetrates through the bearing seat 19 and is rotationally connected with the bearing seat 19.
In this scheme, during the pay-off, lift the feed dog and move forward the in-process of moving first rise stretch out the pay-off mouth, fall back to the pay-off mouth again and realize the pay-off, send out backward movement, backward moving process descends earlier and rises again and returns to the normal position, bar hole and movable block mutually support, the delivery sheet is driven when swinging from top to bottom and back and forth, bar hole and movable block have guaranteed the stationarity of lifting the tooth operation, the effect of direction spacing has also been reached, lift the feeding sheet in the breach of limiting plate when the tooth swing pay-off simultaneously, limiting plate has played limiting effect to the wobbling feeding plate, prevent that the too big range of motion of feeding plate from leading to breaking away from, lift the mode of tooth swing pay-off has avoided current two-layer fabric to carry forward asynchronism when being fed, lead to the fabric separation dislocation, the neat and quick pay-off of fabric of being convenient for.
When the first motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the conveying belt, so that the driven wheel drives the first rotating shaft to rotate, the first rotating shaft drives the eccentric wheel to rotate after rotating, the eccentric wheel drives the bearing to move, and the bearing drives the first connecting rod to move back and forth under the condition of non-rotation because the bearing is fixedly connected with the first connecting rod, and the first connecting rod drives the connecting shaft to rotate through the second sleeve.
The connecting axle drives first axle sleeve motion when rotating, and the fixed block on the first axle sleeve follows the motion, fixed block and slider fixed connection, and the slider is located the spout inside, and the fixed block drives the slider at the inside up-and-down motion of spout when the motion to drive fly leaf up-and-down motion, and the backup pad follows the fly leaf and carries out the up-and-down motion, makes the delivery sheet at fly leaf middle part realize the effect of up-and-down motion.
The third shaft sleeve is fixedly connected with the second rotating shaft, when the second driving module drives the second rotating shaft to rotate, the second rotating shaft drives the second connecting rod to move back and forth through the third shaft sleeve, the second connecting rod drives the third connecting rod to move back and forth, the third connecting rod drives the movable plate to move back and forth, the first driving assembly and the second driving assembly are mutually matched to enable the movable plate to reciprocate back and forth up and down, and therefore the feeding plate at the middle of the movable plate is driven to swing to feed fabrics neatly and rapidly.
The second motor drives the fourth connecting rod to move, and because the fourth connecting rod is rotationally connected with the fourth shaft sleeve, the fourth shaft sleeve is fixedly connected with the second rotating shaft, and therefore the fourth shaft sleeve can also drive the second rotating shaft to rotate when rotating along with the fourth connecting rod, and the bearing seat on the second rotating shaft has the functions of fixing and stabilizing.
According to the technical scheme, the upper roller feeding mode and the lower roller feeding mode of the traditional roller sewing machine are modified into the flat presser foot lifting feed mode, the technical problems that different layers of fabrics are conveyed forwards in an unsynchronized mode in the feeding process, multiple layers of fabrics are separated and misplaced to influence the using effect are mainly solved, the modified flat presser foot lifting feed mode can drive multiple layers of fabrics with inconsistent thickness to synchronously move, fabric separation cannot be caused, and the tidy and rapid feeding effect is convenient to achieve.
Claims (10)
1. A feeding mechanism for sewing machine, its characterized in that includes feeding subassembly, first drive assembly and second drive assembly, feeding subassembly includes delivery sheet (13), be equipped with bar hole (23) along vertical direction on delivery sheet (13), be equipped with movable block (24) in bar hole (23), movable block (24) can reciprocate in bar hole (23), movable block (24) are connected with sewing machine rotation, delivery sheet (13) top still is equipped with tooth frame (25), the top of tooth frame (25) is equipped with lifts tooth (26), first drive assembly is used for driving delivery sheet (13) reciprocates, second drive assembly is used for driving delivery sheet (13) back and forth movement.
2. A feeding mechanism for a sewing machine according to claim 1, further comprising a limiting plate (27) arranged on the sewing machine, wherein the limiting plate (27) is provided with a notch through which the feeding plate (13) passes, and the feeding plate (13) passes through the notch and can swing in the notch.
3. The feeding mechanism for a sewing machine according to claim 1, wherein the feeding assembly further comprises a movable plate (11), the bottom of the feeding plate (13) is rotatably connected with the middle of the movable plate (11), the movable plate (11) is parallel to the lifting teeth (26), the first driving assembly is used for driving the movable plate (11) to move up and down, and the second driving assembly is used for driving the movable plate (11) to move back and forth.
4. A feeding mechanism for a sewing machine according to claim 3, wherein the first driving assembly comprises a connecting shaft (7) and a first driving mechanism, a first shaft sleeve (8) is sleeved on the connecting shaft (7), a fixed block (9) is arranged on the first shaft sleeve (8), a sliding block (10) is arranged on the fixed block (9), a sliding groove (12) is arranged at the rear part of the movable plate (11) along the front-rear direction, the sliding block (10) is arranged in the sliding groove (12) and can slide along the sliding groove (12), and the first driving mechanism is used for driving the connecting shaft (7) to rotate so as to enable the sliding block (10) to move up and down.
5. The feeding mechanism for a sewing machine according to claim 4, wherein the first driving mechanism comprises a first rotating shaft (1), a first connecting rod (5) and a first driving module, wherein an eccentric wheel (3) is sleeved on the first rotating shaft (1), a bearing (4) is sleeved on the eccentric wheel (3), the bearing (4) is coaxial with the eccentric wheel (3), a second shaft sleeve (6) is arranged on the connecting shaft (7), the second shaft sleeve (6) is connected with the bearing (4) through the first connecting rod (5), one end of the first connecting rod (5) is fixedly connected with the bearing (4), the other end of the first connecting rod (5) is connected with the second shaft sleeve (6) in a rotating mode, the connecting shaft (7) is parallel to the first rotating shaft (1), the first rotating shaft (1) is perpendicular to the first connecting rod (5), and the first driving module is used for driving the first rotating shaft (1) to rotate.
6. The feeding mechanism for a sewing machine according to claim 5, wherein the first driving module comprises a driven wheel (15), a driving wheel and a first motor, the driven wheel (15) is sleeved on the first rotating shaft (1), the driven wheel (15) is connected with the driving wheel through a conveying belt (2), and the first motor is used for driving the driving wheel to rotate.
7. A feeding mechanism for a sewing machine according to claim 3, wherein the second driving assembly comprises a second rotating shaft (16), a second connecting rod (21), a third connecting rod (22) and a second driving module, a third shaft sleeve (20) is arranged on the second rotating shaft (16), the third connecting rod (22) is fixedly connected with the front part of the movable plate (11) and is mutually perpendicular, the third connecting rod (22) is mutually parallel to the second rotating shaft (16), the third connecting rod (22) is connected with the third shaft sleeve (20) through the second connecting rod (21), one end of the second connecting rod (21) is fixedly connected with the third shaft sleeve (20), the other end of the second connecting rod (21) is rotatably connected with the third connecting rod (22), and the second driving module is used for driving the second rotating shaft (16) to rotate so as to enable the third connecting rod (22) to move forwards and backwards.
8. The feeding mechanism for a sewing machine according to claim 7, wherein the second driving module comprises a fourth shaft sleeve (17), a fourth connecting rod (18) and a second motor, the fourth shaft sleeve (17) is arranged on the second rotating shaft (16), one end of the fourth connecting rod (18) is rotationally connected with the fourth shaft sleeve (17), and the other end of the fourth connecting rod (18) is connected with the second motor.
9. A feeding mechanism for a sewing machine according to claim 3 or 4 or 5 or 6 or 7 or 8, wherein the feeding assembly further comprises a support plate (14), a through hole is formed in the movable plate (11), a fixing rod is longitudinally arranged in the through hole, one end of the support plate (14) is sleeved on the fixing rod and can slide up and down along the fixing rod, and the other end of the support plate (14) is rotatably connected with the sewing machine.
10. A feeding mechanism for a sewing machine according to claim 7 or 8, wherein the second drive assembly further comprises a bearing housing (19), the bearing housing (19) being fixedly connected to the sewing machine, the second shaft (16) passing through the bearing housing (19) and being rotatably connected to the bearing housing (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321059815.8U CN219991883U (en) | 2023-05-06 | 2023-05-06 | Feeding mechanism for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321059815.8U CN219991883U (en) | 2023-05-06 | 2023-05-06 | Feeding mechanism for sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219991883U true CN219991883U (en) | 2023-11-10 |
Family
ID=88604250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321059815.8U Active CN219991883U (en) | 2023-05-06 | 2023-05-06 | Feeding mechanism for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219991883U (en) |
-
2023
- 2023-05-06 CN CN202321059815.8U patent/CN219991883U/en active Active
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