CN211595984U - Feeding device and sewing machine with same - Google Patents
Feeding device and sewing machine with same Download PDFInfo
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- CN211595984U CN211595984U CN201922502144.8U CN201922502144U CN211595984U CN 211595984 U CN211595984 U CN 211595984U CN 201922502144 U CN201922502144 U CN 201922502144U CN 211595984 U CN211595984 U CN 211595984U
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- presser foot
- shaft
- swing
- outer presser
- feeding device
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Abstract
The utility model provides a material feeding unit and have its sewing machine. Material feeding unit is used for sewing machine to go up the transported substance material, and material feeding unit includes: the inner and outer presser foot assemblies are used for pressing and conveying materials; the transmission assembly is connected with the inner presser foot assembly and the outer presser foot assembly to transmit power to the inner presser foot assembly and the outer presser foot assembly, and comprises a swinging shaft; a feed motor having an output shaft; one end of the swing shaft is connected with the output shaft, the other end of the swing shaft is connected with the inner and outer presser foot assemblies, and the swing shaft can be arranged in a swinging mode under the power action of the feeding motor so as to drive the inner and outer presser foot assemblies to swing in the horizontal direction. Use the technical scheme of the utility model, can solve the problem that the wobbling structure of regulation presser foot among the prior art is complicated.
Description
Technical Field
The utility model relates to a sewing machine technical field particularly, relates to a material feeding unit and have its sewing machine.
Background
The sewing machine presser foot is an indispensable spare part in sewing machine material feeding unit, and various different forms of sewing machine presser feet play very important effect in the production process.
The presser foot swing among the prior art is all adjusted through the connecting rod, needs a plurality of connecting rods and crank cooperation to adjust, and spare part is more, and the structure is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a material feeding unit and have its sewing machine to solve the complicated problem of structure of the regulation presser foot wobbling among the prior art.
In order to achieve the above object, according to an aspect of the present invention, there is provided a feeding device for feeding material on a sewing machine, the feeding device comprising: the inner and outer presser foot assemblies are used for pressing and conveying materials; the transmission assembly is connected with the inner presser foot assembly and the outer presser foot assembly to transmit power to the inner presser foot assembly and the outer presser foot assembly, and comprises a swinging shaft; a feed motor having an output shaft; one end of the swing shaft is connected with the output shaft, the other end of the swing shaft is connected with the inner and outer presser foot assemblies, and the swing shaft can be arranged in a swinging mode under the power action of the feeding motor so as to drive the inner and outer presser foot assemblies to swing in the horizontal direction.
Further, the transmission assembly further comprises: the first end of the first connecting rod is connected with the output shaft; the first end of the first crank is connected with the second end of the first connecting rod, and the second end of the first crank is connected with the first end of the swinging shaft so as to enable the swinging shaft to swing in the horizontal direction; the first connecting rod is a universal ball connecting rod, so that a preset included angle alpha is formed between the swinging shaft and the output shaft.
Further, the transmission assembly further comprises: the second crank is connected with the second end of the swinging shaft and driven by the swinging shaft to swing; the crank sliding block structure comprises a crank structure and a sliding block structure, and the sliding block structure is connected with the second crank; the swinging pin is connected with the crank structure; one end of the lifting frame is connected with the swing pin, and the other end of the lifting frame is connected with the inner and outer presser foot assemblies.
Furthermore, the swing pin is provided with a through hole, a swing sleeve is arranged in the through hole in a penetrating mode, the transmission assembly further comprises a feeding shaft, the feeding shaft is arranged in the swing sleeve in a penetrating mode, and the feeding shaft is arranged in the swing sleeve in a sliding mode.
Further, inside and outside presser foot subassembly includes interior presser foot and outer presser foot, and interior presser foot is used for compressing tightly the material, and outer presser foot is used for conveying the material, and outer presser foot and hoisting frame fixed connection to make outer presser foot move in the horizontal direction under the drive of hoisting frame.
Further, the preset included angle α is greater than or equal to 0 ° and less than or equal to 180 °.
Further, material feeding unit still includes the motor mounting panel, and the pay-off motor setting is on the motor mounting panel.
Further, the feeding device also comprises a main shaft; the lifting tooth assembly is arranged between the main shaft and the inner and outer presser foot assemblies, and at least part of the lifting tooth assembly moves in the vertical direction under the driving of the main shaft so as to drive the inner and outer presser foot assemblies to move in the vertical direction.
Further, the lifting tooth assembly comprises: an eccentric wheel; the tooth lifting pin is connected with the inner and outer presser foot components; and the tooth lifting connecting rod is arranged between the eccentric wheel and the tooth lifting pin so as to drive the tooth lifting pin to move in the vertical direction when the eccentric wheel rotates.
According to the utility model discloses an on the other hand provides a sewing machine, including the aircraft nose body and set up the material feeding unit in the aircraft nose body, material feeding unit is foretell material feeding unit.
Use the technical scheme of the utility model, because inside and outside presser foot subassembly passes through the oscillating axle and is connected with the feeding motor to make inside and outside presser foot subassembly can accomplish the ascending swing of horizontal direction under the drive of feeding motor, and then make operating personnel can be directly through the operating parameter who changes the feeding motor with the interior outer presser foot subassembly of adjustment at the ascending swing range of horizontal direction, simplified drive structure. Compared with the prior art, the swing range of the inner and outer presser foot assemblies in the horizontal direction is adjusted through the connecting rod assembly, the structure of the feeding device is simplified, the number of parts is reduced, the cost is reduced, and the operation is simple.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a first schematic structural view of an embodiment of a feeding device according to the present invention; and
fig. 2 shows a second schematic structural view of the feeding device of fig. 1.
Wherein the figures include the following reference numerals:
10. an inner and outer presser foot assembly; 11. an inner presser foot; 12. an outer presser foot; 20. a transmission assembly; 21. a swing shaft; 22. a first link; 23. a first crank; 24. a second crank; 25. a slider-crank arrangement; 26. a swing pin; 27. a hoisting frame; 28. a swinging sleeve; 29. a feed shaft; 30. a feeding motor; 40. a motor mounting plate; 50. a main shaft; 60. a feed lifting component; 61. an eccentric wheel; 62. a tooth lifting pin; 63. a tooth lifting connecting rod.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 2, the present embodiment provides a feeding device for feeding materials on a sewing machine, and the feeding device includes an inner and outer presser foot assembly 10, a transmission assembly 20 and a feeding motor 30. The inner and outer presser foot assemblies 10 are used for pressing and conveying materials; the driving assembly 20 is connected with the inner and outer presser foot assemblies 10 to transmit power to the inner and outer presser foot assemblies 10, and the driving assembly 20 comprises a swing shaft 21; the feed motor 30 has an output shaft; wherein, one end of the swing shaft 21 is connected with the output shaft, the other end of the swing shaft 21 is connected with the inner and outer presser foot components 10, the swing shaft 21 is arranged in a swing manner under the power action of the feeding motor 30 so as to drive the inner and outer presser foot components 10 to swing in the horizontal direction.
In this embodiment, the inner and outer presser foot assemblies 10 are connected to the feeding motor 30 through the swing shaft 21, so that the inner and outer presser foot assemblies 10 can swing in the horizontal direction under the driving of the feeding motor 30, and further, an operator can directly adjust the swing range of the inner and outer presser foot assemblies 10 in the horizontal direction by changing the operation parameters of the feeding motor 30, thereby simplifying the driving structure. Compared with the prior art, the swing range of the inner and outer presser foot assemblies 10 in the horizontal direction is adjusted through the connecting rod assembly, the technical scheme of the embodiment reduces the number of parts, reduces the cost and is simple to operate.
As shown in fig. 1 and 2, in the present embodiment, the transmission assembly 20 further includes a first connecting rod 22 and a first crank 23. A first end of the first link 22 is connected to the output shaft; a first end of the first crank 23 is connected to a second end of the first link 22, and a second end of the first crank 23 is connected to a first end of the swing shaft 21, so that the swing shaft 21 swings in the horizontal direction; the first connecting rod 22 is a universal ball connecting rod, so that the swinging shaft 21 and the output shaft form a preset included angle α.
Through the arrangement, any included angle can be formed between the swinging shaft 21 and the output shaft, so that the mounting position and the angle of the feeding motor 30 are more flexible, the swinging shaft 21 can swing back and forth under the driving force of the feeding motor 30, the inner and outer presser foot assemblies 10 are driven to swing in the horizontal direction, and the adjustment of the feeding motor 30 on the inner and outer presser foot assemblies 10 is realized.
As shown in fig. 1 and 2, in the present embodiment, the transmission assembly 20 further includes a second crank 24, a slider-crank structure 25, a swing pin 26, and a lifting frame 27. Wherein, the second crank 24 is connected with the second end of the swinging shaft 21 so as to be driven by the swinging shaft 21 to swing; the crank sliding block structure 25 comprises a crank structure and a sliding block structure, and the sliding block structure is connected with the second crank 24; the oscillating pin 26 is connected with the crank structure; one end of the lifting frame 27 is connected to the swing pin 26, and the other end of the lifting frame 27 is connected to the inner and outer presser foot assemblies 10.
With the above arrangement, the swing shaft 21 is connected to the second crank 24, and the slider structure of the slider-crank structure 25 is connected to the second crank 24. The other end of the slider-crank structure 25 is hinged on a swing pin 26; when the swing shaft 21 swings, the second crank 24 swings along with the swing shaft, the slider structure is driven by the second crank 24 to swing, the swing pin 26 swings in the horizontal direction under the driving of the crank structure, and then the lifting frame 27 is driven to swing in the horizontal direction, so that the inner and outer presser foot assemblies 10 are adjusted in the horizontal direction.
As shown in fig. 2, in the present embodiment, the swing pin 26 is provided with a through hole, a swing sleeve 28 is disposed in the through hole, the transmission assembly 20 further includes a feeding shaft 29, the feeding shaft 29 is disposed in the swing sleeve 28, and the feeding shaft 29 is slidably disposed in the swing sleeve 28.
A swing sleeve 28 is inserted into the through hole of the swing pin 26, and a feed shaft 29 is inserted into the swing sleeve 28 to be slidably disposed in the vertical direction. The transmission assembly 20 further includes a swing link hinged to the swing lifting frame by a pin, and the other end of the swing link is hinged to the presser foot seat. The action of the swing shaft 21 is transmitted to the lifting frame 27 through the second crank 24, the crank block structure 25 and the swing pin 26, so that the lifting frame 27 swings in the horizontal direction.
As shown in fig. 1 and 2, in the present embodiment, the inner and outer presser foot assembly 10 includes an inner presser foot 11 and an outer presser foot 12, the inner presser foot 11 is used for pressing the material, and the outer presser foot 12 is used for conveying the material, wherein the outer presser foot 12 is fixedly connected to the lifting frame 27, so that the outer presser foot 12 moves in the horizontal direction under the driving of the lifting frame 27.
Because the outer presser foot 12 is fixedly connected with the lifting frame 27, the lifting frame 27 drives the outer presser foot 12 to move together, and the adjustment of the swing amplitude of the outer presser foot 12 in the horizontal direction is further realized.
Preferably, the preset included angle α is greater than or equal to 0 ° and less than or equal to 180 °.
Through the arrangement, the output shaft and the swinging shaft 21 in the embodiment can be arranged at any preset included angle, and the normal operation of the swinging shaft 21 is further ensured.
Further, the universal ball link in the present embodiment includes a first universal ball and a second universal ball. Wherein the first universal ball is connected with the output shaft and the second universal ball is connected with the first crank 23. Through the arrangement, the driving force output by the output shaft is transmitted to the swinging shaft 21 at any included angle so as to meet the swinging requirement of the swinging shaft 21.
As shown in fig. 1 and 2, in the present embodiment, the feeding device further includes a motor mounting plate 40, and the feeding motor 30 is disposed on the motor mounting plate 40.
With the above arrangement, when the feeding motor 30 is installed, the feeding motor 30 is only required to be fixed on the motor mounting plate 40, and then the motor mounting plate 40 is installed on the bottom plate of the sewing machine. And above-mentioned mounting means is for directly installing the pay-off motor to the bottom plate on, the mounting means of this embodiment is convenient for the installation operation.
As shown in fig. 1 and 2, in the present embodiment, the feeding device further includes a main shaft 50 and a feed lifting tooth assembly 60. The lifting tooth assembly 60 is arranged between the main shaft 50 and the inner and outer presser foot assemblies 10, and at least part of the lifting tooth assembly 60 moves in the vertical direction under the driving of the main shaft 50 so as to drive the inner and outer presser foot assemblies 10 to move in the vertical direction.
Specifically, the rotation of the main shaft 50 drives the lifting teeth assembly 60 to move in the vertical direction, and further drives the inner and outer presser foot assemblies 10 to move in the vertical direction, so as to achieve the adjustment of the inner and outer presser foot assemblies 10 in the vertical direction.
As shown in fig. 1 and 2, in the present embodiment, the lifting tooth assembly 60 includes a lifting tooth pin 62 and a lifting tooth connecting rod 63 of an eccentric wheel 61. The feed lifting pin 62 is connected with the inner and outer presser foot components 10; a feed link 63 is provided between the eccentric 61 and the feed pin 62 to move the feed pin 62 in the vertical direction when the eccentric 61 rotates.
Specifically, since the eccentric wheel 61 has a long axis and a short axis, when the main shaft 50 drives the eccentric wheel 61 to rotate, the tooth lifting connecting rod 63 rotates therewith to drive the tooth lifting pin 62 to move in the vertical direction, thereby achieving the adjustment of the inner and outer presser foot assemblies 10 in the vertical direction.
The embodiment also provides a sewing machine, which comprises a machine head body and a feeding device arranged in the machine head body, wherein the feeding device is the feeding device.
In this embodiment, the inner and outer presser foot assemblies 10 are connected to the feeding motor 30 through the swing shaft 21, so that the inner and outer presser foot assemblies 10 can swing in the horizontal direction under the driving of the feeding motor 30, and further, an operator can directly adjust the swing range of the inner and outer presser foot assemblies 10 in the horizontal direction by changing the operation parameters of the feeding motor 30, thereby simplifying the driving structure.
Therefore, the sewing machine with the feeding device also has the advantages.
The technical scheme of the utility model is realized through following mode:
one end of the rotatable swing shaft 21 is connected with the first crank 23, one end of the first connecting rod 22 is hinged with the first crank 23, and the other end is hinged with the output shaft of the feeding motor 30. The feed motor 30 is mounted on the housing by a motor mounting plate 40.
The pivot shaft 21 is connected to the second crank 24, and the slider structure of the slider-crank structure 25 is connected to the second crank 24. The other end of the crank block structure 25 is hinged on a swing pin 26, a swing sleeve 28 is fixed in an inner hole at the other end of the swing pin 26, and a feeding shaft 29 penetrates through the swing sleeve 28 and can axially slide; meanwhile, the lifting frame 27 and the swinging connecting rod are hinged on the swinging lifting shaft through a pin, the other end of the swinging connecting rod is hinged on the presser foot seat, and the outer presser foot 12 is fixed on the lifting frame 27.
The output shaft of the feeding motor 30 is connected with the swinging shaft 21 at any angle, so that the swinging shaft 21 swings left and right by transmitting the swinging crank of the motor, the first connecting rod 22 and the first crank 23 to the swinging shaft 21 along with the back and forth rotation of the motor. Then the second crank 24, the crank block structure 25 and the feeding swing pin 26 are transmitted to the swing lifting frame 27, so that the swing lifting frame swings left and right.
The feeding device further comprises: the lifting tooth rod is arranged in the pressure lever sleeve in a penetrating mode and can slide axially, a lifting tooth pin 62 is arranged at the upper end of the lifting tooth rod in a penetrating mode, a roller is hinged to the lower end of the lifting tooth rod through a roller pin and is matched with a groove opening of the swing lifting frame, one end of the lifting tooth pin 62 is attached to the transverse section of the L-shaped swing plate, the vertical section of the L-shaped swing plate is attached to a bearing roller in an upper lifting tooth swing crank assembly, the L-shaped swing plate is hinged to the pressure lever support, a lifting tooth connecting rod 63 which is eccentrically arranged is arranged on the main shaft 50, the lifting tooth connecting rod 63 is hinged to an upper lifting tooth crank, the upper lifting tooth crank assembly is connected with the upper lifting tooth swing crank assembly through the upper lifting tooth pin in a certain angle mode, the main shaft 50 rotates to drive the lifting tooth connecting rod 63 to swing, and the lifting tooth rod is transmitted to the lifting frame 27 through the upper lifting tooth crank, so that the lifting frame swings.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
because the inner and outer presser foot components are connected with the feeding motor through the swinging shaft, the inner and outer presser foot components can swing in the horizontal direction under the driving of the feeding motor, and further an operator can directly adjust the swinging range of the inner and outer presser foot components in the horizontal direction by changing the operating parameters of the feeding motor, thereby simplifying the driving structure. Compared with the prior art, the swing range of the inner and outer presser foot assemblies in the horizontal direction is adjusted through the connecting rod assembly, the structure of the feeding device is simplified, the number of parts is reduced, the cost is reduced, and the operation is simple.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A feeding device for feeding material on a sewing machine, the feeding device comprising:
an inner and outer presser foot assembly (10) for pressing and conveying the material;
a driving assembly (20) connected with the inner and outer presser foot assemblies (10) to transmit power to the inner and outer presser foot assemblies (10), the driving assembly (20) comprising a swing shaft (21);
a feed motor (30) having an output shaft;
one end of the swinging shaft (21) is connected with the output shaft, the other end of the swinging shaft (21) is connected with the inner and outer presser foot components (10), and the swinging shaft (21) can be arranged in a swinging mode under the power action of the feeding motor (30) so as to drive the inner and outer presser foot components (10) to swing in the horizontal direction.
2. The feeding device according to claim 1, wherein the transmission assembly (20) further comprises:
a first link (22), a first end of the first link (22) being connected to the output shaft;
a first crank (23), a first end of the first crank (23) being connected to a second end of the first connecting rod (22), a second end of the first crank (23) being connected to a first end of the swing shaft (21) to swing the swing shaft (21) in a horizontal direction;
the first connecting rod (22) is a universal ball connecting rod, so that a preset included angle alpha is formed between the swinging shaft (21) and the output shaft.
3. The feeding device according to claim 2, wherein the transmission assembly (20) further comprises:
the second crank (24) is connected with the second end of the swinging shaft (21) and driven by the swinging shaft (21) to swing;
a crank-slider structure (25) comprising a crank structure and a slider structure, said slider structure being connected to said second crank (24);
a swing pin (26) connected with the crank structure;
a lifting frame (27), wherein one end of the lifting frame (27) is connected with the swinging pin (26), and the other end of the lifting frame (27) is connected with the inner and outer presser foot components (10).
4. The feeding device according to claim 3, characterized in that the oscillating pin (26) is provided with a through hole, an oscillating sleeve (28) is arranged in the through hole in a penetrating manner, the transmission assembly (20) further comprises a feeding shaft (29), the feeding shaft (29) is arranged in the oscillating sleeve (28) in a penetrating manner, and the feeding shaft (29) is arranged in the oscillating sleeve (28) in a sliding manner.
5. The feeding device according to claim 3, characterized in that the inner and outer presser foot assemblies (10) comprise an inner presser foot (11) and an outer presser foot (12), the inner presser foot (11) being used for pressing the material, the outer presser foot (12) being used for conveying the material, wherein the outer presser foot (12) is fixedly connected with the lifting frame (27) so that the outer presser foot (12) is moved in a horizontal direction by the lifting frame (27).
6. The feeding device according to claim 2, wherein the preset included angle α is greater than or equal to 0 ° and less than or equal to 180 °.
7. The feeding device as set forth in claim 1, further comprising a motor mounting plate (40), wherein the feeding motor (30) is provided on the motor mounting plate (40).
8. The feeding device as set forth in claim 1, further comprising
A main shaft (50);
the lifting tooth assembly (60) is arranged between the main shaft (50) and the inner and outer presser foot assemblies (10), and at least part of the lifting tooth assembly (60) moves in the vertical direction under the driving of the main shaft (50) so as to drive the inner and outer presser foot assemblies (10) to move in the vertical direction.
9. The feeding device according to claim 8, characterized in that the feed lifting tooth assembly (60) comprises:
an eccentric wheel (61);
a tooth lifting pin (62) connected with the inner and outer presser foot components (10);
a tooth lifting connecting rod (63) arranged between the eccentric wheel (61) and the tooth lifting pin (62) to drive the tooth lifting pin (62) to move in the vertical direction when the eccentric wheel (61) rotates.
10. A sewing machine comprising a head body and a feeding device provided in the head body, characterized in that the feeding device is the feeding device of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922502144.8U CN211595984U (en) | 2019-12-31 | 2019-12-31 | Feeding device and sewing machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922502144.8U CN211595984U (en) | 2019-12-31 | 2019-12-31 | Feeding device and sewing machine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211595984U true CN211595984U (en) | 2020-09-29 |
Family
ID=72599826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922502144.8U Active CN211595984U (en) | 2019-12-31 | 2019-12-31 | Feeding device and sewing machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211595984U (en) |
-
2019
- 2019-12-31 CN CN201922502144.8U patent/CN211595984U/en active Active
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