CN211947480U - Feeding device and sewing machine with same - Google Patents
Feeding device and sewing machine with same Download PDFInfo
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- CN211947480U CN211947480U CN201922276073.4U CN201922276073U CN211947480U CN 211947480 U CN211947480 U CN 211947480U CN 201922276073 U CN201922276073 U CN 201922276073U CN 211947480 U CN211947480 U CN 211947480U
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- feed
- crank
- feeding
- shaft
- sewing machine
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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: a feed motor having an output shaft; the feed dog is used for transferring materials; the transmission assembly is arranged between the feeding motor and the cloth feeding teeth so as to transmit the power output by the feeding motor to the cloth feeding teeth; the transmission assembly includes: the horizontal conveying shaft is connected with the first end of the feed dog so as to drive the feed dog to move along the horizontal direction under the driving of the horizontal conveying shaft; and the transmission connecting rod is connected with the output shaft and the horizontal conveying shaft so as to enable the output shaft and the horizontal conveying shaft to form a preset included angle alpha. Use the technical scheme of the utility model, can solve among the prior art to the problem that the work feed motor installation accuracy of sewing machine requires highly.
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
In general, a sewing machine includes a feed dog for feeding a cloth placed on a table, a feed table, an upper and lower feed shaft, a horizontal feed shaft, a feed motor, and the like. One end of the horizontal conveying shaft is connected with an output shaft of the cloth feeding motor, and the other end of the horizontal conveying shaft is connected with the cloth feeding teeth, so that the horizontal conveying shaft can drive the cloth feeding teeth to move in the horizontal direction under the driving of the cloth feeding motor.
In the prior art, a horizontal conveying shaft of a sewing machine needs to be arranged in parallel with an output shaft of a cloth feeding motor, so that the normal cloth conveying of a cloth feeding tooth can be ensured. If the deviation is generated between the output shaft of the cloth feeding motor and the horizontal conveying shaft, the horizontal conveying shaft can vibrate and generate noise when in work, and therefore the requirement on the installation accuracy of the cloth feeding motor is high.
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 among the prior art to the high problem of work feed motor installation accuracy requirement of sewing machine.
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: a feed motor having an output shaft; the feed dog is used for transferring materials; the transmission assembly is arranged between the feeding motor and the cloth feeding teeth so as to transmit the power output by the feeding motor to the cloth feeding teeth; the transmission assembly includes: the horizontal conveying shaft is connected with the first end of the feed dog so as to drive the feed dog to move along the horizontal direction under the driving of the horizontal conveying shaft; and the transmission connecting rod is connected with the output shaft and the horizontal conveying shaft so as to enable the output shaft and the horizontal conveying shaft to form a preset included angle alpha.
Furthermore, the transmission connecting rod is a universal ball connecting rod, the universal ball connecting rod comprises a first universal ball and a second universal ball, the first universal ball is connected with the output shaft, and the second universal ball is connected with the horizontal conveying shaft.
Further, the transmission assembly further comprises: the first end of the first crank is connected with the output shaft, and the second end of the first crank is connected with the first universal ball so as to convey the power of the feeding motor to the transmission connecting rod; the first end of the second crank is connected with the second universal ball, and the second end of the second crank is connected with the horizontal conveying shaft; the first crank is hinged with the first universal ball, and the second crank is hinged with the second universal ball.
Further, material feeding unit still includes the motor mounting panel, and the pay-off motor setting is on the motor mounting panel.
Further, the predetermined angle α is greater than 0 ° and less than 180 °.
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.
Further, the sewing machine further comprises an upper conveying shaft and a lower conveying shaft, wherein the upper conveying shaft and the lower conveying shaft are connected with the second end of the cloth feeding tooth to drive the cloth feeding tooth to move in the vertical direction.
Further, the sewing machine further comprises a feed lifting component, the feed lifting component is connected with the upper and lower conveying shafts, and at least part of the feed lifting component moves in the vertical direction to lift or fall the upper and lower conveying shafts.
Further, the lifting tooth assembly comprises: an eccentric wheel; the feed lifting crank is connected with the upper conveying shaft and the lower conveying shaft; and the feed lifting connecting rod is arranged between the eccentric wheel and the feed lifting crank so as to drive the feed lifting crank to move in the vertical direction when the eccentric wheel rotates.
Further, the feed lifting assembly further comprises an operating rod, and the operating rod is connected with the eccentric wheel so as to drive the eccentric wheel to rotate through operating the operating rod.
Use the technical scheme of the utility model, because can be predetermined contained angle setting between output shaft and the horizontal transport axle to can make the mounted position and the angle of pay-off motor more nimble, and then reduced the requirement to the mounting accuracy of pay-off motor. Compared with the prior art, parallel arrangement must be had between horizontal transport axle and the output shaft between, the installation accuracy requirement of the feeding motor of this application is lower, can not lead to pay-off trouble or noise because of there being the installation deviation between output shaft and the horizontal transport axle, has guaranteed to normally pay-off after the feeding motor installation, has reduced the installation degree of difficulty of feeding motor, has improved the installation effectiveness.
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 partial schematic structural view of an embodiment of a sewing machine according to the present invention;
FIG. 2 shows a front view of the sewing machine of FIG. 1;
FIG. 3 is a schematic view of the universal ball link of the sewing machine of FIG. 1; and
FIG. 4 shows a cross-sectional view of the universal ball link of FIG. 3.
Wherein the figures include the following reference numerals:
10. a feeding motor; 20. a feed dog; 30. a transmission assembly; 31. a horizontal transport shaft; 32. a transmission connecting rod; 321. a first universal ball; 322. a second universal ball; 33. a first crank; 34. a second crank; 40. a motor mounting plate; 50. an upper and lower conveying shaft; 60. a feed lifting component; 61. an eccentric wheel; 62. a feed lifting crank; 63. a feed lifting connecting rod; 64. an operating lever.
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. The feeding device of this embodiment includes a feeding motor 10, a feed dog 20, and a driving assembly 30. The feed motor 10 has an output shaft; the feed dog 20 is used for transferring materials; the transmission assembly 30 is arranged between the feeding motor 10 and the feed dog 20 to transmit the power output by the feeding motor 10 to the feed dog 20; the transmission assembly 30 includes a horizontal transmission shaft 31 and a transmission link 32. The horizontal conveying shaft 31 is connected with a first end of the feed dog 20 so as to drive the feed dog 20 to move along the horizontal direction under the driving of the horizontal conveying shaft 31; the transmission link 32 is connected to both the output shaft and the horizontal conveying shaft 31 so that the output shaft and the horizontal conveying shaft 31 are disposed at a predetermined angle α.
In this embodiment, the output shaft and the horizontal conveying shaft 31 may be arranged at a predetermined included angle, so that the mounting position and angle of the feeding motor 10 are more flexible, and the requirement for the mounting accuracy of the feeding motor 10 is further reduced. Compared with the prior art, the horizontal conveying shaft and the output shaft must be arranged in parallel, the installation accuracy requirement of the feeding motor 10 is low, feeding faults or noises caused by installation deviation between the output shaft and the horizontal conveying shaft 31 can be avoided, normal feeding after the feeding motor 10 is installed is guaranteed, the installation difficulty of the feeding motor 10 is reduced, and the installation efficiency is improved.
Preferably, the predetermined angle α is greater than 0 ° and less than 180 °.
Through the arrangement, the output shaft and the horizontal conveying shaft 31 in the embodiment can be arranged at any preset included angle, so that the normal operation of the horizontal conveying shaft 31 is ensured.
As shown in fig. 2 to 4, in the present embodiment, the transmission link 32 is a universal ball link including a first universal ball 321 and a second universal ball 322, the first universal ball 321 is used for connecting with the output shaft, and the second universal ball 322 is used for connecting with the horizontal conveying shaft 31.
Because the transmission connecting rod 32 is a universal ball connecting rod, when the feeding device works, the transmission connecting rod 32 can change the output angle of the output shaft so as to transmit force to the horizontal conveying shaft 31, thereby reducing the requirement on the installation precision of the feeding motor 10 and ensuring the normal conveying work of the horizontal conveying shaft 31.
As shown in fig. 1 and 2, in the present embodiment, the transmission assembly 30 further includes a first crank 33 and a second crank 34. A first end of the first crank 33 is connected with the output shaft, and a second end of the first crank 33 is connected with the first universal ball 321, so as to transmit the power of the feeding motor 10 to the transmission connecting rod 32; a first end of the second crank 34 is connected with the second universal ball 322, and a second end of the second crank 34 is connected with the horizontal conveying shaft 31; wherein, the first crank 33 is connected with the first universal ball 321 in an articulated way, and the second crank 34 is connected with the second universal ball 322 in an articulated way.
Through the above setting, make first crank 33 can be with the power of output shaft with arbitrary contained angle output, output angle is nimble, and second crank 34 can carry power to horizontal transport axle 31 with arbitrary angle, thereby make the power of carrying to horizontal transport axle 31 by the output shaft can be arbitrary contained angle, thereby can make the installation angle of pay-off motor 10 nimble, only need suitably adjust second crank 34's output angle, the pay-off angle that can realize horizontal transport axle 31 satisfies the demand of carrying the material, the installation accuracy of pay-off motor 10 has been reduced, material feeding unit's normal work has been guaranteed, the installation degree of difficulty has been reduced, the installation effectiveness has been improved.
Further, the feeding device further comprises a motor mounting plate 40, and the feeding motor 10 is arranged on the motor mounting plate 40.
With the arrangement, when the feeding motor 10 is installed, the feeding motor 10 is only required to be fixed on the motor installation plate 40, and then the motor installation 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.
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.
Because the output shaft and the horizontal conveying shaft 31 can be arranged at a preset included angle, the mounting position and the angle of the feeding motor 10 can be more flexible, and the requirement on the mounting precision of the feeding motor 10 is further reduced. Compared with the prior art, the horizontal conveying shaft and the output shaft must be arranged in parallel, the installation accuracy requirement of the feeding motor 10 is low, feeding faults or noises caused by installation deviation between the output shaft and the horizontal conveying shaft 31 can be avoided, normal feeding after the feeding motor 10 is installed is guaranteed, the installation difficulty of the feeding motor 10 is reduced, and the installation efficiency is improved.
Therefore, the sewing machine with the feeding device also has the advantages.
As shown in fig. 1, in the present embodiment, the sewing machine further includes an upper and lower feed shaft 50, and the upper and lower feed shaft 50 is connected to a second end of the feed dog 20 to drive the feed dog 20 to move in a vertical direction.
Specifically, the horizontal conveying shaft 31 in this embodiment is used for driving the feed dog 20 to move in the horizontal direction so as to move the cloth in the horizontal direction, and the up-down conveying shaft 50 is used for driving the feed dog 20 to move in the vertical direction so as to lift or drop the feed dog 20.
As shown in fig. 1, in the present embodiment, the sewing machine further includes a feed lifting assembly 60, the feed lifting assembly 60 is connected to the upper and lower feed shafts 50, and at least a portion of the feed lifting assembly 60 moves in a vertical direction to lift or lower the upper and lower feed shafts 50.
In this embodiment, the feed dog assembly 60 is used to drive the upper and lower conveying shafts 50 to move in the vertical direction, so that the upper and lower conveying shafts 50 are lifted or lowered, and the feed dog 20 is lifted or lowered.
As shown in fig. 1, in the present embodiment, the feed lifting dog assembly 60 includes an eccentric 61, a feed lifting dog crank 62, and a feed lifting dog connecting rod 63. The feed lifting crank 62 is connected with the upper and lower conveying shafts 50; and a feed dog connecting rod 63 disposed between the eccentric wheel 61 and the feed dog crank 62 to drive the feed dog crank 62 to move in a vertical direction when the eccentric wheel 61 rotates.
Further, the feed lifting assembly 60 further comprises an operating rod 64, and the operating rod 64 is connected with the eccentric wheel 61 so as to drive the eccentric wheel 61 to rotate by operating the operating rod 64.
Specifically, the sewing machine is provided with a knob for adjusting the lifting or falling of the feed dog 20, the eccentric wheel 61 is connected with an operating rod 64, the knob is arranged on the operating rod 64, the eccentric wheel 61 is switched between a long shaft and a short shaft by screwing the knob, so that the feed dog connecting rod 63 is driven to lift or fall, and the upper and lower conveying shafts 50 are lifted or fall, so that the lifting or falling of the feed dog is realized.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
because the output shaft and the horizontal conveying shaft can be arranged at a preset included angle, the mounting position and the angle of the feeding motor can be more flexible, and the requirement on the mounting precision of the feeding motor is further reduced. Compared with the prior art, the horizontal conveying shaft and the output shaft must be arranged in parallel, the installation accuracy requirement of the feeding motor is low, feeding faults or noises caused by installation deviation between the output shaft and the horizontal conveying shaft cannot occur, and normal feeding after the feeding motor is installed is guaranteed.
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:
a feed motor (10) having an output shaft;
a feed dog (20) for transferring the material;
the transmission assembly (30) is arranged between the feeding motor (10) and the cloth feeding teeth (20) and is used for transmitting the power output by the feeding motor (10) to the cloth feeding teeth (20);
the transmission assembly (30) comprises:
the horizontal conveying shaft (31) is connected with the first end of the cloth feeding tooth (20) so as to drive the cloth feeding tooth (20) to move along the horizontal direction under the driving of the horizontal conveying shaft (31);
and the transmission connecting rod (32) is connected with the output shaft and the horizontal conveying shaft (31) so as to enable the output shaft and the horizontal conveying shaft (31) to form a preset included angle alpha.
2. The feeding device according to claim 1, characterised in that the transmission link (32) is a universal ball link comprising a first universal ball (321) and a second universal ball (322), the first universal ball (321) being intended for connection with the output shaft and the second universal ball (322) being intended for connection with the horizontal transport shaft (31).
3. The feeding device according to claim 2, wherein the transmission assembly (30) further comprises:
a first crank (33), a first end of the first crank (33) is connected with the output shaft, and a second end of the first crank (33) is connected with the first universal ball (321) so as to transmit the power of the feeding motor (10) to the transmission connecting rod (32);
a second crank (34), a first end of the second crank (34) is connected with the second universal ball (322), and a second end of the second crank (34) is connected with the horizontal conveying shaft (31);
wherein the first crank (33) is hinged with the first universal ball (321), and the second crank (34) is hinged with the second universal ball (322).
4. The feeding device as set forth in claim 1, further comprising a motor mounting plate (40), wherein the feeding motor (10) is provided on the motor mounting plate (40).
5. The feeding device according to claim 1, wherein the predetermined angle α is greater than 0 ° and less than 180 °.
6. A sewing machine comprising a head body and a feeding device arranged in the head body, characterized in that the feeding device is the feeding device of any one of claims 1 to 5.
7. The sewing machine according to claim 6, further comprising an upper and lower feed shaft (50), the upper and lower feed shaft (50) being connected to a second end of the feed dog (20) to move the feed dog (20) in a vertical direction.
8. The sewing machine according to claim 7, further comprising a lift tab assembly (60), the lift tab assembly (60) being coupled to the upper and lower feed shafts (50), at least a portion of the lift tab assembly (60) moving in a vertical direction to lift or lower the upper and lower feed shafts (50).
9. Sewing machine as in claim 8, characterized in that said feed lifting lug assembly (60) comprises:
an eccentric wheel (61);
a feed lifting crank (62) connected with the upper and lower conveying shafts (50);
the feed lifting connecting rod (63) is arranged between the eccentric wheel (61) and the feed lifting crank (62) and drives the feed lifting crank (62) to move in the vertical direction when the eccentric wheel (61) rotates.
10. The sewing machine of claim 9, wherein the feed lifting lug assembly (60) further comprises an operating lever (64), the operating lever (64) being connected to the eccentric (61) to drive the eccentric (61) in rotation by operating the operating lever (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922276073.4U CN211947480U (en) | 2019-12-17 | 2019-12-17 | Feeding device and sewing machine with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922276073.4U CN211947480U (en) | 2019-12-17 | 2019-12-17 | Feeding device and sewing machine with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211947480U true CN211947480U (en) | 2020-11-17 |
Family
ID=73175852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922276073.4U Withdrawn - After Issue CN211947480U (en) | 2019-12-17 | 2019-12-17 | Feeding device and sewing machine with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211947480U (en) |
-
2019
- 2019-12-17 CN CN201922276073.4U patent/CN211947480U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20201117 Effective date of abandoning: 20210830 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20201117 Effective date of abandoning: 20210830 |