CN212175189U - Presser foot lifting device of buttonholing machine - Google Patents
Presser foot lifting device of buttonholing machine Download PDFInfo
- Publication number
- CN212175189U CN212175189U CN202020315415.9U CN202020315415U CN212175189U CN 212175189 U CN212175189 U CN 212175189U CN 202020315415 U CN202020315415 U CN 202020315415U CN 212175189 U CN212175189 U CN 212175189U
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- push
- pull rod
- presser foot
- foot lifting
- lifting device
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Abstract
The utility model belongs to the technical field of sewing machines, in particular to a presser foot lifting device of a buttonholing machine, wherein a driving motor and a push-pull rod are arranged at the rear side of a frame, the push-pull rod extends upwards, and the middle part of the push-pull rod is provided with an elongated slot; the upper part of the fixed bracket is hinged with the push-pull rod, and the articulated shaft is arranged in the stroke range of the long groove and can move up and down; the other end of the fixed bracket is connected to the presser foot lifting component; when the push-pull rod is driven by the motor and moves upwards to a set position, a hinge shaft on the fixed support is positioned in the stroke range of the long groove, and the upper end of the push-pull rod pushes the swing rod assembly; when the push-pull rod moves downwards to a set position, the hinge shaft on the fixed support exceeds the stroke range of the long groove, and the push-pull rod drives the presser foot lifting assembly through the fixed support. The two actions are not interfered with each other, and the design is simpler than the design of the traditional electromagnet and other cam structures; and the adjustability and the stability are better.
Description
Technical Field
The utility model belongs to the technical field of the sewing machine, concretely relates to presser foot device is lifted of button holing machine.
Background
CN200920270003.1 discloses a cam link presser foot lifting mechanism of a sewing machine, which is suitable for a pattern sewing machine; CN201410304363.4 discloses a driving device for wire bonding and presser foot lifting trimming and a flat head buttonhole sewing machine, the presser foot lifting driving structure of the traditional buttonhole sewing machine is complicated, and the cam design requirement is high, thereby resulting in complicated assembly.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a new, the controllability and the nature controlled are better, what the buttonholing machine lifted presser foot device.
The purpose of the utility model is realized like this:
a presser foot lifting device of a buttonholing machine is characterized in that the outer side of the driving piece is hinged with the lower end of a push-pull rod, the push-pull rod extends upwards, and the middle of the push-pull rod is provided with an elongated slot; the upper part of the fixed bracket is hinged with the push-pull rod, and the articulated shaft is arranged in the stroke range of the long groove and can move up and down; the other end of the fixed bracket is connected to the presser foot lifting component; a swing rod assembly is arranged above the push-pull rod and is hinged on the rack;
when the push-pull rod is driven by the motor and moves upwards to a set position, a hinge shaft on the fixed support is positioned in the stroke range of the long groove, and the upper end of the push-pull rod pushes the swing rod assembly;
when the push-pull rod moves downwards to a set position, the hinge shaft on the fixed support exceeds the stroke range of the long groove, and the push-pull rod drives the presser foot lifting assembly through the fixed support.
Preferably, the drive member is an eccentric or a crank.
Preferably, the middle part of the swing rod assembly is fixedly provided with an adjusting seat, and the lower end of the adjusting seat is matched with the upper end of the push-pull rod; the adjusting seat is provided with a strip-shaped hole, and the bolt penetrates through the strip-shaped hole and is adjustably arranged on the swing rod assembly.
Preferably, a lower pendulum positioning bolt is further arranged on the lower side of the outer end of the pendulum rod assembly, and the outer end of the pendulum rod assembly is kept close to the lower pendulum positioning bolt through a first tension spring.
Preferably, the driving motor is horizontally arranged in the transverse direction, the motor axially extends out of one side of the nose of the buttonholing machine, the driving motor is fixed on the motor bracket, and the motor bracket is fixed on the frame;
preferably, the front side of the pressure foot lifting assembly and the upper end of the push-pull rod are kept close to each other through a second tension spring.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
the utility model is provided with a driving motor at the rear side of the frame, the push-pull rod is driven to lift up and down through the driving motor and the wheel, the upper part of the fixed bracket is hinged with the push-pull rod, and the articulated shaft is arranged in the stroke range of the long groove to move up and down; when the push-pull rod moves upwards, the rest of the execution components are driven, and when the push-pull rod moves downwards, the presser foot lifting assembly is driven, the two actions are not interfered with each other, and the design is simpler compared with the traditional electromagnet and the design of the rest of the cam structures; and the adjustability and the stability are better.
The middle part of the swing rod component of the utility model is fixedly provided with an adjusting seat, and the lower end of the adjusting seat is matched with the upper end of the push-pull rod; the amplitude of the swing rod assembly can be adjusted through the design, and the swing rod assembly can be conveniently replaced when the adjusting seat is abraded.
Drawings
Fig. 1 is one of the schematic diagrams of the present invention.
Fig. 2 is a second schematic diagram of the present invention.
Fig. 3 is one of the schematic views of the buttonholing machine with the present invention installed.
Fig. 4 is a second schematic view of the buttonholing machine with the present invention installed.
Detailed Description
The invention will be further described with reference to specific embodiments below:
as shown in the figures 1-4 of the drawings,
a presser foot lifting device of a buttonholing machine is characterized in that a driving motor 1 is arranged at the rear side of a frame 17, and a driving piece 2 is arranged on a motor shaft 3, wherein the outer side of the driving piece is hinged with the lower end of a push-pull rod 4, the push-pull rod 4 extends upwards, and the middle part of the push-pull rod 4 is provided with an elongated slot 16; the upper part of the fixed bracket 5 is hinged with the push-pull rod, and a hinged shaft is arranged in the stroke range of the long groove 16 and can move up and down; the other end of the fixed bracket 5 is connected to a pressure foot lifting component 6; a swing rod component 13 is arranged above the push-pull rod and is hinged on the rack 17;
when the push-pull rod 4 is driven by the motor and moves upwards to a set position, the hinged shaft on the fixed support 5 is positioned in the stroke range of the long groove 16, and the upper end 15 of the push-pull rod 4 pushes the swing rod assembly 13;
when the push-pull rod 4 moves downwards to a set position, the hinge shaft on the fixed support 5 exceeds the stroke range of the long groove 16, and the push-pull rod drives the pressure foot lifting assembly 6 through the fixed support 5.
When the push-pull rod moves upwards, the rest of the execution components are driven, and when the push-pull rod moves downwards, the presser foot lifting assembly is driven, the two actions are not interfered with each other, and the design is simpler compared with the traditional electromagnet and the design of the rest of the cam structures; and the adjustability and the stability are better.
Preferably, the driving member 2 is an eccentric or a crank. The embodiment is the eccentric wheel, and the noise of the whole device is smaller and more stable when the eccentric wheel rotates.
Preferably, an adjusting seat 11 is fixedly arranged in the middle of the swing rod assembly 13, and the lower end of the adjusting seat 11 is matched with the upper end of the push-pull rod; the adjusting seat 11 is provided with a strip-shaped hole 12, and a bolt passes through the strip-shaped hole 12 and is adjustably mounted on the swing rod assembly 13. The swing rod assembly amplitude can be adjusted through the design, and the swing rod assembly can be conveniently replaced when the adjusting seat is abraded.
Preferably, a lower swing positioning bolt 14 is further arranged on the lower side of the outer end of the swing link assembly 13, and the outer end of the swing link assembly 13 is kept close to the lower swing positioning bolt 14 through a first tension spring 18.
Preferably, the driving motor is horizontally arranged in the transverse direction, the motor axially extends out of one side of the nose of the buttonholing machine, the driving motor is fixed on a motor bracket 22, and the motor bracket 22 is fixed on the frame 17; the design makes the visual effect behind the frame more succinct, and whole spare part is few.
Preferably, the front side of the presser foot lifting assembly 6 and the upper end 15 of the push-pull rod are kept close to each other by a second tension spring 19. The second tension spring 19 has a small elasticity and is used for keeping the fixed support 5 and the push-pull rod 4 in close contact with each other to prevent noise. The elastic force of the second tension spring 19 does not basically obstruct the mutual movement between the fixed bracket 5 and the push-pull rod 4.
It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A presser foot lifting device of a buttonholing machine is characterized in that a driving motor (1) is arranged on the rear side of a frame (17), and a driving piece (2) is arranged on a motor shaft (3), wherein the outer side of the driving piece is hinged with the lower end of a push-pull rod (4), the push-pull rod (4) extends upwards, and the middle of the push-pull rod (4) is provided with an elongated slot (16); the upper part of the fixed bracket (5) is hinged with the push-pull rod, and a hinged shaft is arranged in the stroke range of the long groove (16) and can move up and down; the other end of the fixed bracket (5) is connected to the presser foot lifting component (6); a swing rod component (13) is arranged above the push-pull rod and is hinged on the rack (17);
when the push-pull rod (4) is driven by the motor and moves upwards to a set position, a hinged shaft on the fixed support (5) is positioned in the stroke range of the long groove (16), and the upper end (15) of the push-pull rod (4) pushes the swing rod assembly (13);
when the push-pull rod (4) moves downwards to a set position, the hinge shaft on the fixed support (5) exceeds the stroke range of the long groove (16), and the push-pull rod (4) drives the presser foot lifting assembly (6) through the fixed support (5).
2. A presser foot lifting device for a buttonholing machine according to claim 1, wherein said driving member (2) is an eccentric or a crank.
3. The presser foot lifting device of a buttonholing machine according to claim 1, wherein an adjusting seat (11) is fixedly arranged in the middle of the swing rod assembly (13), and the lower end of the adjusting seat (11) is matched with the upper end of the push-pull rod; a strip-shaped hole (12) is formed in the adjusting seat (11), and a bolt penetrates through the strip-shaped hole (12) and is adjustably mounted on the swing rod assembly (13).
4. The presser foot lifting device of the buttonholing machine according to claim 1, wherein a lower swing positioning bolt (14) is further arranged on the lower side of the outer end of the swing rod assembly (13), and the outer end of the swing rod assembly (13) is kept close to the lower swing positioning bolt (14) through a first tension spring (18).
5. The presser foot lifting device of a buttonholing machine according to claim 1, wherein the driving motor is horizontally arranged in a transverse direction, the motor shaft extends to one side of the buttonholing machine head, the driving motor is fixed on a motor bracket (22), and the motor bracket (22) is fixed on the frame (17).
6. A presser foot lifting device for a buttonholing machine according to claim 1, characterized in that the front side of the presser foot lifting assembly (6) and the upper end (15) of the push-pull rod are kept close to each other by a second tension spring (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020315415.9U CN212175189U (en) | 2020-03-14 | 2020-03-14 | Presser foot lifting device of buttonholing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020315415.9U CN212175189U (en) | 2020-03-14 | 2020-03-14 | Presser foot lifting device of buttonholing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212175189U true CN212175189U (en) | 2020-12-18 |
Family
ID=73777200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020315415.9U Active CN212175189U (en) | 2020-03-14 | 2020-03-14 | Presser foot lifting device of buttonholing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212175189U (en) |
-
2020
- 2020-03-14 CN CN202020315415.9U patent/CN212175189U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A presser foot lifting device of buttonhole machine Effective date of registration: 20220705 Granted publication date: 20201218 Pledgee: Pudong Development Bank, Shanghai, Shanghai, Taizhou Jiaojiang branch Pledgor: TAIZHOU SUPU ELECTROMECHANICAL CO.,LTD. Registration number: Y2022330001250 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |