CN212582151U - Automatic trimming and automatic presser foot lifting driving device of overedger - Google Patents
Automatic trimming and automatic presser foot lifting driving device of overedger Download PDFInfo
- Publication number
- CN212582151U CN212582151U CN202020894370.5U CN202020894370U CN212582151U CN 212582151 U CN212582151 U CN 212582151U CN 202020894370 U CN202020894370 U CN 202020894370U CN 212582151 U CN212582151 U CN 212582151U
- Authority
- CN
- China
- Prior art keywords
- presser foot
- trimming
- foot lifting
- lifting
- thread
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The utility model belongs to the technical field of sewing machine, relate to a hemming machine, refer in particular to a hemming machine automatic trimming and automatic drive arrangement who lifts the presser foot, including casing, the step motor who sets up in the casing mounting groove, a trimming subassembly and a presser foot lifting subassembly, be provided with on the casing and lift presser foot lever and trimming axle, trimming subassembly is connected with trimming axle, the lower extreme that lifts the presser foot subassembly supports and leans on lifting presser foot lever, trimming subassembly sets up in one side of step motor power output shaft, lift presser foot subassembly and set up in the opposite side of step motor power output shaft, when step motor rotated along a direction, trimming subassembly work; when the stepping motor rotates along the other direction, the pressure lifting and pressing foot assembly works. Two electromagnets or air cylinders in the traditional mode are replaced by one stepping motor, and two actions of thread trimming and presser foot lifting of the overedger can be completed only by matching one power source with a plurality of mechanical structures.
Description
Technical Field
The utility model belongs to the technical field of sewing machine, a hemming machine is related to, refer in particular to a hemming machine automatic trimming and automatic drive arrangement who lifts the presser foot.
Background
At present, the thread cutting and presser foot lifting functions of the overedger are respectively controlled by two independent electromagnets or cylinders, although the structure can realize the thread cutting and presser foot lifting functions, the driving modes of the two electromagnets or cylinders also face the problems of large occupied space, complex installation, high failure rate and the like; secondly, because there is higher impact force in the electro-magnet or cylinder when actuation and release, consequently can produce great sound and rock when trimming and lifting the presser foot to influence the stability of complete machine.
Disclosure of Invention
The utility model aims at providing an automatic trimming of hemming machine and automatic drive arrangement who lifts presser foot replace two electro-magnets or the cylinder of traditional mode through a step motor, only need just can accomplish the hemming machine trimming by a plurality of mechanical structure of power supply cooperation and lift two actions of presser foot.
The purpose of the utility model is realized like this: a hemming machine automatic trimming and automatic presser foot lifting driving device comprises a machine shell, a stepping motor arranged in a machine shell mounting groove, a trimming component and a presser foot lifting component, wherein a presser foot lifting lever and a trimming shaft are arranged on the machine shell, the trimming component is connected with the trimming shaft, the lower end of the presser foot lifting component abuts against the presser foot lifting lever, the trimming component is arranged on one side of a power output shaft of the stepping motor, the presser foot lifting component is arranged on the other side of the power output shaft of the stepping motor, and when the stepping motor rotates along one direction, the trimming component works; when the stepping motor rotates along the other direction, the pressure lifting and pressing foot assembly works.
In the automatic thread trimming and automatic presser foot lifting driving device for the overedger, the presser foot lifting assembly comprises a presser foot lifting pressure rod and a presser foot lifting pressure head arranged at the lower end of the presser foot lifting pressure rod, the machine shell is provided with a presser foot lifting guide seat, the presser foot lifting pressure rod is vertically moved and arranged on the presser foot lifting guide seat, the presser foot lifting pressure head is abutted against the presser foot lifting lever, the upper end of the presser foot lifting pressure rod is abutted against a bearing, the bearing is arranged on a presser foot lifting crank through a bearing screw, and the presser foot lifting crank is arranged on a power output shaft at one side of the stepping motor through a presser foot lifting crank screw.
In the above driving device for automatically trimming the thread and lifting the presser foot of the overedger, the casing is provided with a limiting plate, and the upper part of the presser foot lifting lever abuts against the limiting plate.
In the above driving device for automatic thread trimming and automatic presser foot lifting of the overedger, the thread trimming assembly comprises a roller and a guide shaft, a reset piece is arranged on the guide shaft, the roller is arranged on a thread trimming crank through a roller screw, the thread trimming crank is arranged on a power output shaft on one side of a stepping motor through a thread trimming crank screw, a thread trimming guide seat is arranged on the casing, the guide shaft is arranged on the thread trimming guide seat in a vertically moving mode, a top plate is abutted against the roller, the guide shaft is arranged on the top plate through a screw, the top plate is connected with a cutter locking lever through a connecting rod, and the other end of the cutter locking lever is connected with the thread trimming shaft.
In the above driving device for automatic thread trimming and automatic presser foot lifting of the overedger, the thread trimming guide seat is provided with the guide groove, and the guide shaft is provided with the elastic pin matched with the guide groove.
In the above driving device for automatically trimming and lifting the presser foot of the overedger, the reset piece comprises a clamp spring arranged on the guide shaft and a pressure spring arranged between the clamp spring and the upper part of the trimming guide seat.
In the above driving device for automatic thread trimming and automatic presser foot lifting of the overedger, a rubber pad is arranged between the thread trimming guide seat and the top plate.
In the automatic thread trimming and automatic presser foot lifting driving device for the overedger, the machine shell is provided with the knife rest, one end of the thread trimming shaft is provided with the movable knife, the thread trimming shaft is rotatably arranged on the knife rest, and the knife rest is provided with the thread trimming groove for the movable knife to rotate and the fixed knife matched with the movable knife to trim threads.
Compared with the prior art, the utility model outstanding and profitable technological effect is: the structure of a driving device is reduced by replacing two electromagnets or cylinders in a traditional mode with a stepping motor, a bearing is arranged at the end part of a presser foot lifting crank through a bearing screw, when the presser foot is required to be lifted, the stepping motor rotates reversely, the presser foot lifting crank rotates downwards around a power output shaft of the motor, the bearing is in contact with a presser foot lifting pressure rod and drives the presser foot lifting pressure rod to move downwards, a presser foot lifting pressure head is arranged at the lower end of the presser foot lifting pressure rod, the presser foot lifting pressure head presses the presser foot lifting lever downwards along with the presser foot lifting pressure rod, the presser foot lifting lever rotates downwards around a lever screw to complete the action of lifting the presser foot, then the presser foot lifting crank rotates upwards around the power output shaft of the motor, and the presser foot lifting pressure rod rises along with the presser; the end part of the thread cutting crank is provided with a roller through a roller screw, the thread cutting crank moves upwards around a motor motion output shaft, the roller is contacted with the top plate and pushes the top plate to move upwards along a guide shaft, the other end of the top plate is connected with a cutter locking lever through a connecting rod, the other end of the cutter locking lever is connected with the thread cutting shaft, the thread cutting shaft drives a movable cutter to move upwards to complete thread cutting, after thread cutting, a pressure spring drives the guide shaft to reset, the thread cutting shaft and the movable cutter reset after thread cutting is realized, a thread cutting guide seat is arranged on a machine shell, the guide shaft is vertically moved and arranged in a guide hole of the thread cutting guide seat, a guide groove is arranged on the thread cutting guide seat, an elastic pin matched with the guide groove is arranged on the guide shaft, the structure can prevent the guide shaft from rotating, a notch is arranged on the guide shaft, a clamp spring is, the pressure spring is used for resetting the guide shaft, so that the resetting of the thread trimming shaft after thread trimming is realized; a rubber pad is arranged between the trimming guide seat and the top plate, so that the top plate and the trimming guide seat can be prevented from being impacted when the trimming guide seat is reset.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is one of the schematic structural diagrams of the present invention with the casing removed.
Fig. 4 is a second schematic structural view of the present invention with the housing removed.
The reference numerals in the figures denote the meanings:
1-a machine shell; 2-a step motor; 3-lifting a presser foot lever; 4-a shear spool; 5-lifting the presser foot pressing rod;
6-lifting a presser foot pressure head; 7-lifting the presser foot guide seat; 8-a bearing; 9-lifting a presser foot crank; 10-a limiting plate;
11-a roller; 12-a guide shaft; 13-trimming crank; 14-a trimming guide seat; 15-a top plate;
16-a connecting rod; 17-a cutter locking lever; 19-a guide groove; 20-a resilient pin;
21-a clamp spring; 22-a pressure spring; 23-rubber pad; 24-a tool holder; 25-moving the knife; 26-trimming a slot; 27-stationary knife.
Detailed Description
The invention will be further described with reference to specific embodiments below:
an automatic thread trimming and automatic presser foot lifting driving device of a overedger, which is shown in figures 1-4, comprises a machine shell 1, a stepping motor 2 arranged in an installation groove of the machine shell 1, a thread trimming component and a presser foot lifting component, the pressure foot lifting component comprises a pressure foot lifting pressure rod 5 and a pressure foot lifting pressure head 6 arranged at the lower end part of the pressure foot lifting pressure rod 5, the machine shell 1 is provided with a presser foot lifting guide seat 7, the presser foot lifting pressure rod 5 is arranged on the presser foot lifting guide seat 7 in a vertically moving mode, the presser foot lifting pressure head 6 abuts against the presser foot lifting lever 3, a limit plate 10 is arranged on the machine shell 1, the upper part of the presser foot lifting lever 3 is abutted against the limit plate 10, the upper end of the pressure foot lifting pressure rod 5 is abutted against a bearing 8, the bearing 8 is arranged on a pressure foot lifting crank 9 through a bearing screw, and the pressure foot lifting crank 9 is arranged on a power output shaft on one side of the stepping motor 2 through a pressure foot lifting crank screw; the trimming assembly comprises a roller 11 and a guide shaft 12, a reset piece is arranged on the guide shaft 12, the reset piece comprises a clamp spring 21 arranged on the guide shaft 12 and a pressure spring 22 arranged between the clamp spring 21 and the upper part of a trimming guide seat 14, the roller 11 is arranged on a trimming crank 13 through a roller screw, the trimming crank 13 is arranged on a power output shaft at one side of the stepping motor 2 through a trimming crank screw, the housing 1 is provided with the trimming guide seat 14, the guide shaft 12 is vertically moved and arranged on the trimming guide seat 14, the trimming guide seat 14 is provided with a guide groove 19, the guide shaft 12 is provided with an elastic pin 20 matched with the guide groove 19, the elastic pin 20 is inserted in the guide groove 19, the guide groove 19 can play a guiding role and can also prevent the guide shaft 12 from rotating, the roller 11 is abutted against a top plate 15, the guide shaft 12 is arranged on the top plate 15 through a screw, a rubber pad 23 is arranged between the trimming guide seat 14 and the top plate 15, the top plate 15 is connected with a cutter locking lever 17 through a connecting rod 16, the other end of the cutter locking lever 17 is connected with the trimming shaft 4, a presser foot lifting lever 3 and the trimming shaft 4 are arranged on the machine shell 1, the trimming assembly is connected with the trimming shaft 4, the lower end of the presser foot lifting assembly abuts against the presser foot lifting lever 3, the trimming assembly is arranged on one side of a power output shaft of the stepping motor 2, the presser foot lifting assembly is arranged on the other side of the power output shaft of the stepping motor 2, and when the stepping motor 2 rotates along one direction, the trimming assembly works; when the stepping motor 2 rotates in the other direction, the pressure foot lifting assembly works.
Two electromagnets or air cylinders in the traditional mode are replaced by one stepping motor 2, the structure of a driving device is reduced, a bearing 8 is arranged at the end part of a pressure foot lifting crank 9 through a bearing screw, when the presser foot is required to be lifted, the stepping motor 2 rotates reversely, the presser foot lifting crank 9 rotates downwards around a power output shaft of the stepping motor 2, the bearing 8 is in contact with the presser foot lifting pressure rod 5 and drives the presser foot lifting pressure rod 5 to move downwards, the lower end of the presser foot lifting pressure rod 5 is provided with a presser foot lifting pressure head 6, the presser foot lifting pressure head 6 presses the presser foot lifting lever 3 downwards along with the presser foot lifting pressure rod 5, the presser foot lifting lever 3 rotates downwards around a lever screw to complete the presser foot lifting action, then, the presser foot lifting crank 9 rotates upwards around a power output shaft of the stepping motor 2, and the presser foot lifting pressure rod 5 rises along with the presser foot lifting crank 9 due to the torsion of the presser foot lifting lever 3 until the presser foot lifting lever 3 is contacted with the limiting plate 10; the end part of the trimming crank 13 is provided with a roller 11 through a roller screw, the trimming crank 13 moves upwards around a movement output shaft of the stepping motor 2, the roller 11 is contacted with a top plate 15 and pushes the top plate 15 to move upwards along a guide shaft 12, the other end of the top plate 15 is connected with a cutter locking lever 17 through a connecting rod 16, the other end of the cutter locking lever 17 is connected with the trimming shaft 4, the trimming shaft 4 drives a movable cutter 25 to move upwards to complete trimming, after trimming, a pressure spring 22 drives the guide shaft 12 to reset, the trimming shaft 4 and the movable cutter 25 reset after trimming is realized, a trimming guide seat 14 is arranged on the machine shell 1, the guide shaft 12 moves up and down and is arranged in a guide hole of the trimming guide seat 14, the trimming guide seat 14 is provided with a guide groove 19, the guide shaft 12 is provided with an elastic pin 20 matched with the guide groove 19, the structure can prevent the guide shaft 12 from rotating, the guide shaft 12 is provided with a, a clamp spring 21 is arranged on the notch, a pressure spring 22 is arranged between the clamp spring 21 and the upper part of the trimming guide seat 14, and the pressure spring 22 is used for resetting the guide shaft 12, so that the resetting of the trimming shaft 4 after trimming is realized; a rubber pad 23 is arranged between the trimming guide seat 14 and the top plate 15, so that the top plate 15 and the trimming guide seat 14 can be prevented from colliding during resetting.
Further, a knife rest 24 is arranged on the machine shell 1, a movable knife 25 is arranged at one end of the thread cutting shaft 4, the thread cutting shaft 4 is rotatably arranged on the knife rest 24, and a thread cutting groove 26 for the movable knife 25 to rotate and a fixed knife 27 matched with the movable knife 25 to cut thread are arranged on the knife rest 24.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The driving device for the automatic thread trimming and the automatic presser foot lifting of the overedger is characterized by comprising a machine shell (1), a stepping motor (2) arranged in a mounting groove of the machine shell (1), a thread trimming component and a presser foot lifting component, wherein a presser foot lifting lever (3) and a thread trimming shaft (4) are arranged on the machine shell (1), the thread trimming component is connected with the thread trimming shaft (4), the lower end of the presser foot lifting component abuts against the presser foot lifting lever (3), the thread trimming component is arranged on one side of a power output shaft of the stepping motor (2), the presser foot lifting component is arranged on the other side of the power output shaft of the stepping motor (2), and when the stepping motor (2) rotates along one direction, the thread trimming component works; when the stepping motor (2) rotates along the other direction, the pressure foot lifting assembly works.
2. The driving device for automatically trimming thread and automatically lifting presser foot of overedger according to claim 1, characterized in that: the presser foot lifting assembly comprises a presser foot lifting pressure rod (5) and a presser foot lifting pressure head (6) arranged at the lower end of the presser foot lifting pressure rod (5), a presser foot lifting guide seat (7) is arranged on the machine shell (1), the presser foot lifting pressure rod (5) is vertically moved and arranged on the presser foot lifting guide seat (7), the presser foot lifting pressure head (6) is abutted against the presser foot lifting lever (3), the upper end of the presser foot lifting pressure rod (5) is abutted against a bearing (8), the bearing (8) is arranged on a presser foot lifting crank (9) through a bearing screw, and the presser foot lifting crank (9) is arranged on a power output shaft on one side of the stepping motor (2) through a presser foot lifting crank screw.
3. The driving device for automatically trimming thread and automatically lifting presser foot of overedger according to claim 2, characterized in that: a limiting plate (10) is arranged on the machine shell (1), and the upper part of the presser foot lifting lever (3) abuts against the limiting plate (10).
4. The driving device for automatically trimming thread and automatically lifting presser foot of overedger according to claim 1, characterized in that: the trimming assembly comprises a roller (11) and a guide shaft (12), a reset piece is arranged on the guide shaft (12), the roller (11) is arranged on a trimming crank (13) through a roller screw, the trimming crank (13) is arranged on a power output shaft on one side of the stepping motor (2) through a trimming crank screw, a trimming guide seat (14) is arranged on the shell (1), the guide shaft (12) is vertically moved and arranged on the trimming guide seat (14), a top plate (15) is abutted to the roller (11), the guide shaft (12) is arranged on the top plate (15) through a screw, the top plate (15) is connected with a cutter locking lever (17) through a connecting rod (16), and the other end of the cutter locking lever (17) is connected with the trimming shaft (4).
5. The driving device for automatically trimming thread and automatically lifting presser foot of overedger according to claim 4, characterized in that: a guide groove (19) is formed in the trimming guide seat (14), and an elastic pin (20) matched with the guide groove (19) is arranged on the guide shaft (12).
6. The driving device for automatically trimming thread and automatically lifting presser foot of overedger according to claim 4, characterized in that: the reset piece comprises a clamp spring (21) arranged on the guide shaft (12) and a pressure spring (22) arranged between the clamp spring (21) and the upper part of the trimming guide seat (14).
7. The driving device for automatically trimming thread and automatically lifting presser foot of overedger according to claim 4, characterized in that: a rubber pad (23) is arranged between the trimming guide seat (14) and the top plate (15).
8. The driving device for automatically trimming thread and automatically lifting presser foot of overedger according to claim 4, characterized in that: the wire cutting machine is characterized in that a knife rest (24) is arranged on the machine shell (1), a movable knife (25) is arranged at one end of the wire cutting shaft (4), the wire cutting shaft (4) is rotatably arranged on the knife rest (24), and a wire cutting groove (26) for the movable knife (25) to rotate and a fixed knife (27) matched with the movable knife (25) to cut wires are arranged on the knife rest (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020894370.5U CN212582151U (en) | 2020-05-25 | 2020-05-25 | Automatic trimming and automatic presser foot lifting driving device of overedger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020894370.5U CN212582151U (en) | 2020-05-25 | 2020-05-25 | Automatic trimming and automatic presser foot lifting driving device of overedger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212582151U true CN212582151U (en) | 2021-02-23 |
Family
ID=74641879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020894370.5U Active CN212582151U (en) | 2020-05-25 | 2020-05-25 | Automatic trimming and automatic presser foot lifting driving device of overedger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212582151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114481477A (en) * | 2022-01-19 | 2022-05-13 | 浙江美机缝纫机有限公司 | Thread trimming mechanism of sewing machine, presser foot lifting mechanism and sewing machine |
-
2020
- 2020-05-25 CN CN202020894370.5U patent/CN212582151U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114481477A (en) * | 2022-01-19 | 2022-05-13 | 浙江美机缝纫机有限公司 | Thread trimming mechanism of sewing machine, presser foot lifting mechanism and sewing machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106637735B (en) | Thread trimming and presser foot lifting mechanism and sewing machine | |
| CN105420948B (en) | A kind of thread cutting mechanism of sewing machine driving device | |
| CN212582151U (en) | Automatic trimming and automatic presser foot lifting driving device of overedger | |
| CN208514618U (en) | A kind of ear muff production hot pressing bicker | |
| CN108049043B (en) | Independent hole carving device of embroidery machine | |
| CN109808329B (en) | Automatic bookbinding machine | |
| CN214088916U (en) | Button sewing machine and lift presser foot mechanism thereof | |
| CN205415745U (en) | Automatic cutting tool and pneumatic cutting device thereof | |
| CN210796864U (en) | Thread trimming and presser foot lifting mechanism of sewing machine | |
| CN215404895U (en) | Driving mechanism of lockstitch sewing machine | |
| CN215209511U (en) | Vibration knife cutting machine | |
| CN215328686U (en) | Presser foot mechanism is lifted to sewing machine's trimming | |
| CN211420514U (en) | Thread trimming and presser foot lifting device | |
| CN114150446A (en) | Sewing machine trimming and presser foot lifting device and sewing machine | |
| CN215517905U (en) | Automatic lift presser foot mechanism | |
| CN217298243U (en) | Thread trimming mechanism of sewing machine and sewing machine | |
| CN217418980U (en) | Transmission piece for sewing machine and sewing machine | |
| CN220812889U (en) | Device capable of accurately clamping thread on sewing machine | |
| CN101905461A (en) | Cutter of platform-type cutting machine | |
| CN217609792U (en) | Numerical control multifunctional combined tool bit | |
| CN220734578U (en) | Double-cutter-bar cutter head | |
| CN216107538U (en) | Sewing machine | |
| CN209393789U (en) | A kind of copper bar rotor cutter device | |
| CN219032569U (en) | Zigzag sewing machine driven by servo motor | |
| CN215829023U (en) | Overedger |
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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A driving device for automatic thread cutting and presser foot lifting of overlock sewing machine Effective date of registration: 20210514 Granted publication date: 20210223 Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd. Pledgor: Zhejiang Xinshunfa Sewing Machine Technology Co.,Ltd. Registration number: Y2021330000403 |