CN220887935U - Stepping presser foot lifting and thread cutting mechanism of button sewing machine - Google Patents
Stepping presser foot lifting and thread cutting mechanism of button sewing machine Download PDFInfo
- Publication number
- CN220887935U CN220887935U CN202322666138.2U CN202322666138U CN220887935U CN 220887935 U CN220887935 U CN 220887935U CN 202322666138 U CN202322666138 U CN 202322666138U CN 220887935 U CN220887935 U CN 220887935U
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- presser foot
- lifting
- thread cutting
- connecting rod
- crank
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- 238000009958 sewing Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 title claims abstract description 17
- 238000009966 trimming Methods 0.000 claims abstract description 10
- 230000009471 action Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of sewing machines, and particularly relates to a stepping presser foot lifting and thread trimming mechanism of a button sewing machine, which comprises a machine body, wherein a presser foot assembly and a presser foot lever connected with the presser foot assembly are arranged in the machine body, a presser foot lifting driving shaft is also arranged in the machine body, a presser foot lifting crank is arranged on the presser foot lifting driving shaft, one end of the presser foot lifting crank is connected with a longitudinal connecting rod, the other end of the longitudinal connecting rod is connected with the presser foot lever, a power source is connected with the presser foot lifting crank or the presser foot lifting driving shaft to drive the presser foot assembly to act, and the presser foot lifting crank is directly connected with the presser foot lever through the longitudinal connecting rod.
Description
Technical Field
The utility model relates to the technical field of sewing machines, in particular to a stepping presser foot lifting and thread trimming mechanism of a button sewing machine.
Background
The statements in this section merely provide background information related to the present disclosure and may not constitute prior art.
The button sewing machine is a garment machine for sewing buttons on fabric, a presser foot is needed to fix the buttons and a workpiece during button sewing, the workpiece is automatically lifted and removed after sewing, and in order to improve the working efficiency, the existing button sewing machine realizes automatic presser foot lifting and is controlled by an electric control device to work in cooperation with a sewing mechanism.
As disclosed in the Chinese utility model, the publication number is CN214088916U, a button sewing machine and a presser foot lifting mechanism thereof are disclosed, the button sewing machine comprises a frame, a presser foot and a presser foot lifting connecting rod assembly for driving the presser foot are arranged on the frame, the presser foot lifting connecting rod assembly is provided with a transversely arranged presser foot lifting main shaft, one end of the presser foot lifting main shaft extends out of the frame, and the button sewing machine also comprises a presser foot lifting motor which is arranged on one side of the frame, and the presser foot lifting motor is a stepping motor; one end of the first connecting rod assembly is connected with a motor shaft of the presser foot lifting motor, and the other end of the first connecting rod assembly is connected with the presser foot lifting main shaft; the presser foot lifting motor drives the presser foot lifting main shaft to rotate so as to lift or put down the presser foot.
The lifting and pressing connecting rod assembly comprises a crank II and a connecting rod II, the crank II is firstly connected with the connecting rod II, the other end of the connecting rod II is connected with a hinging point between the thread cutting assembly and the lifting and pressing foot assembly, at least three connecting rod components are further connected between the connecting rod II and the lifting and pressing foot assembly, and in the actual transmission process, the load of the lifting and pressing foot is heavier than the load of the thread cutting assembly, so that the stability of transmission is affected, the design is unreasonable, and the structure is further improved.
Disclosure of utility model
The utility model aims to provide a stepping presser foot lifting and thread cutting mechanism of a button sewing machine, which solves the problem of poor transmission stability by directly connecting a presser crank and a longitudinal connecting rod with a presser foot lever.
The purpose of the utility model is realized in the following way: the stepping presser foot lifting and thread trimming mechanism of the button sewing machine comprises a machine body, wherein a presser foot assembly and a presser foot lever connected with the presser foot assembly are arranged in the machine body, a presser foot lifting driving shaft is further arranged in the machine body, a presser foot lifting crank is arranged on the presser foot lifting driving shaft, one end of the presser foot lifting crank is connected with a longitudinal connecting rod, the other end of the longitudinal connecting rod is connected with the presser foot lever, and a power source is connected with the presser foot lifting crank or the presser foot lifting driving shaft to drive the presser foot assembly to act.
Preferably, a thread cutting assembly and a thread cutting driving rod connected with the thread cutting assembly are arranged in the machine body, the other end of the thread cutting driving rod is connected with a thread cutting pull rod, the other end of the thread cutting pull rod is connected with a thread cutting connecting rod I, the other end of the thread cutting connecting rod I is connected with a thread cutting connecting rod II, and the other end of the thread cutting connecting rod II is hinged between the presser foot lever and the longitudinal connecting rod.
Preferably, one end of the presser foot lever is provided with a mounting column, and the second trimming connecting rod and the longitudinal connecting rod are respectively arranged on two side end surfaces of the mounting column.
Preferably, a power source is arranged in the machine body, the power source is a stepping motor, a first driving wheel is mounted on an output shaft of the stepping motor, a third connecting rod is hinged to an eccentric position of the first driving wheel, the other end of the third connecting rod is connected with a driving crank, the other end of the driving crank is connected with a presser foot lifting driving shaft, and the presser foot lifting crank is fixedly connected with the presser foot lifting driving shaft.
Preferably, one end of the first driving wheel is provided with a manual pressure lifting handle for controlling the pressure lifting foot.
Preferably, the power source is a stepping motor, a driving cam II is arranged on an output shaft of the stepping motor, the lifting and pressing crank is rotatably arranged on the periphery of the lifting and pressing foot driving shaft, the other end of the lifting and pressing crank is extended to form a lifting and pressing rod, and the end part of the lifting and pressing rod is provided with a lifting and pressing part for pushing the driving cam II.
Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:
Compared with the prior art, the presser foot lifting crank is directly connected with the presser foot lever through the longitudinal connecting rod, the presser foot lifting crank can be transmitted to the presser foot lever only through a plurality of connecting rod power, the weight of the presser foot is heavier than the load of a shearing line, and the presser foot lifting crank has fewer transmission parts, can reduce the loss of power in the transmission process, and has higher stability and more reasonable structure.
Drawings
Fig. 1 is a schematic structural diagram of the present utility model.
Fig. 2 is a schematic structural view of a presser foot lifting and trimming mechanism.
Fig. 3 is a schematic structural diagram of the second embodiment of the present utility model.
Fig. 4 is a schematic diagram of a second structure of the presser foot lifting and trimming mechanism.
Reference numerals: 1-a machine body; 2-a presser foot assembly; 3-a presser foot lever; 4-a presser foot lifting driving shaft;
5-lifting and pressing a crank; 6-a longitudinal link; 7-a power source; 8-a wire cutting assembly; 9-a wire cutting driving rod;
10-a wire cutting pull rod; 11-cutting a first connecting rod; 12-cutting a second connecting rod; 13-mounting posts; 14-first driving wheel; 15-a connecting rod III; 16-drive crank; 17-manually lifting and pressing the handle; 18-driving a cam II; 19-lifting a compression bar; 20-lifting and pressing part.
Detailed Description
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
As shown in fig. 1-4, a stepping presser foot lifting and thread cutting mechanism of a button sewing machine comprises a machine body 1, wherein a presser foot assembly 2 and a presser foot lever 3 connected with the presser foot assembly are arranged in the machine body 1, the presser foot lever 3 is transversely arranged at the upper part of the machine body, the middle part of the presser foot lever 3 is rotatably connected with the machine body, a presser foot lifting driving shaft 4 is also arranged in the machine body 1, a presser foot lifting crank 5 is arranged on the presser foot lifting driving shaft 4, one end of the presser foot lifting crank 5 is connected with a longitudinal connecting rod 6, the other end of the longitudinal connecting rod 6 is connected with the presser foot lever 3, and a power source 7 is connected with the presser foot lifting crank 5 or the presser foot lifting driving shaft 4 to drive the presser foot assembly 2 to act.
Compared with the prior art, the utility model has the advantages that the lifting crank 5 is directly connected with the presser foot lever 3 through the longitudinal connecting rod 6, the presser foot lever 3 can be driven by a plurality of connecting rod power, the weight of the presser foot is heavier relative to the load of a trimming wire, and the transmission parts for lifting the presser foot are fewer, the loss of power in the transmission process can be reduced, the stability is higher, and the structure is more reasonable.
Referring to fig. 2 and 4, the machine body 1 is provided with a thread cutting assembly 8 and a thread cutting driving rod 9 connected with the thread cutting assembly, the other end of the thread cutting driving rod 9 is connected with a thread cutting pull rod 10, the other end of the thread cutting pull rod 10 is connected with a thread cutting connecting rod one 11, the other end of the thread cutting connecting rod one 11 is connected with a thread cutting connecting rod two 12, and the other end of the thread cutting connecting rod two 12 is hinged between the presser foot lever 3 and the longitudinal connecting rod 6.
One end of the presser foot lever 3 is provided with a mounting column 13, and the second trimming connecting rod 12 and the longitudinal connecting rod 6 are respectively arranged on two side end surfaces of the mounting column 13, so that interference of the second trimming connecting rod and the longitudinal connecting rod in the rotation process can be prevented.
Referring to fig. 1 and 2, a power source 7 is disposed in the machine body 1, the power source 7 is a stepper motor, a first driving wheel 14 is mounted on an output shaft of the stepper motor, a third connecting rod 15 is hinged at an eccentric position of the first driving wheel 14, a driving crank 16 is connected with the other end of the third connecting rod 15, the other end of the driving crank 16 is connected with a presser foot lifting driving shaft 4, the presser foot lifting crank 5 is fixedly connected with the presser foot lifting driving shaft 4, and the power source 7 is connected with the presser foot lifting driving shaft 4 at the moment to drive the presser foot assembly 2 to act.
In the actual running process, the stepping motor runs to drive the driving wheel I14 to rotate, and the driving wheel I14 drives the presser foot lifting driving shaft 4 to rotate through the connecting rod III 15 and the driving crank 16, so that the presser foot lifting assembly can lift the presser foot.
One end of the first driving wheel 14 is provided with a manual presser foot lifting handle 17 for controlling the presser foot lifting action, in the normal operation process, the presser foot lifting action is controlled through a stepping motor, when the motor is stopped, the first driving wheel 14 can be rotated by pulling the manual presser foot lifting handle 17, so that the presser foot lifting action is controlled, and the presser foot lifting action can be controlled manually in the motor stop state.
Referring to fig. 3 and 4, the power source 7 is a stepper motor, a second driving cam 18 is mounted on an output shaft of the stepper motor, the lifting crank 5 is rotatably disposed on the periphery of the presser foot lifting driving shaft 4, a lifting rod 19 extends from the other end of the lifting crank 5, a lifting part 20 for pushing the second driving cam 18 is disposed at an end of the lifting rod 19, and the power source 7 is connected with the lifting crank 5 to drive the presser foot assembly 2 to act.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a presser foot and cut line mechanism are lifted in step by step of button sewing machine, its characterized in that, including organism (1), be provided with presser foot subassembly (2) in organism (1) and with presser foot lever (3) rather than being connected, still be provided with in organism (1) and lift presser foot drive shaft (4), lift install on presser foot drive shaft (4) and lift presser foot crank (5), lift the one end of presser foot crank (5) and be connected with longitudinal connecting rod (6), the other end and the presser foot lever (3) of longitudinal connecting rod (6) are connected, power supply (7) are connected with lift presser foot crank (5) or lift presser foot drive shaft (4) in order to drive presser foot subassembly (2) action.
2. The stepping presser foot and thread cutting mechanism of button sewing machine according to claim 1, wherein: the novel presser foot is characterized in that a thread cutting assembly (8) and a thread cutting driving rod (9) connected with the thread cutting assembly are arranged in the machine body (1), the other end of the thread cutting driving rod (9) is connected with a thread cutting pull rod (10), the other end of the thread cutting pull rod (10) is connected with a thread cutting connecting rod I (11), the other end of the thread cutting connecting rod I (11) is connected with a thread cutting connecting rod II (12), and the other end of the thread cutting connecting rod II (12) is hinged between the presser foot lever (3) and the longitudinal connecting rod (6).
3. The stepping presser foot and thread cutting mechanism of button sewing machine according to claim 2, wherein: one end of the presser foot lever (3) is provided with a mounting column (13), and the second trimming connecting rod (12) and the longitudinal connecting rod (6) are respectively arranged on two side end surfaces of the mounting column (13).
4. The stepping presser foot and thread cutting mechanism of button sewing machine according to claim 1, wherein: the novel presser foot lifting machine is characterized in that a power source (7) is arranged in the machine body (1), the power source (7) is a stepping motor, a first driving wheel (14) is arranged on an output shaft of the stepping motor, a third connecting rod (15) is hinged to an eccentric position of the first driving wheel (14), a driving crank (16) is connected to the other end of the third connecting rod (15), the other end of the driving crank (16) is connected with a presser foot lifting driving shaft (4), and the presser foot lifting crank (5) is fixedly connected with the presser foot lifting driving shaft (4).
5. The stepping presser foot and thread cutting mechanism of button sewing machine of claim 4, wherein: one end of the first driving wheel (14) is provided with a manual pressure lifting handle (17) for controlling the pressure lifting foot.
6. The stepping presser foot and thread cutting mechanism of button sewing machine according to claim 1, wherein: the power source (7) is a stepping motor, a driving cam II (18) is arranged on an output shaft of the stepping motor, the lifting and pressing crank (5) is rotatably arranged on the periphery of the lifting and pressing foot driving shaft (4), the other end of the lifting and pressing crank (5) is extended to form a lifting and pressing rod (19), and a lifting and pressing part (20) for pushing the driving cam II (18) is arranged at the end part of the lifting and pressing rod (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322666138.2U CN220887935U (en) | 2023-09-28 | 2023-09-28 | Stepping presser foot lifting and thread cutting mechanism of button sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322666138.2U CN220887935U (en) | 2023-09-28 | 2023-09-28 | Stepping presser foot lifting and thread cutting mechanism of button sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220887935U true CN220887935U (en) | 2024-05-03 |
Family
ID=90868204
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322666138.2U Active CN220887935U (en) | 2023-09-28 | 2023-09-28 | Stepping presser foot lifting and thread cutting mechanism of button sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220887935U (en) |
-
2023
- 2023-09-28 CN CN202322666138.2U patent/CN220887935U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant |