CN210657425U

CN210657425U - Overedger

Info

Publication number: CN210657425U
Application number: CN201921578089.4U
Authority: CN
Inventors: 梅晓靖
Original assignee: Zhejiang Hover Tech Sewing Machine Co ltd
Current assignee: Zhejiang Hover Tech Sewing Machine Co ltd
Priority date: 2019-09-21
Filing date: 2019-09-21
Publication date: 2020-06-02
Anticipated expiration: 2029-09-21

Abstract

The utility model belongs to the technical field of make up equipment, a hemming machine is related to, it has solved among the current hemming machine and has pulled the presser foot spanner and lift the presser foot after, takes place to interfere, operate inconvenient scheduling problem with the presser foot arm easily. The overedger comprises a machine shell, a presser foot arm, a presser foot wrench, a pressure rod and a presser foot plate, wherein the rear end of the presser foot arm is movably arranged on the machine shell through a presser foot shaft, the front end of the presser foot arm can swing around the presser foot shaft and is connected with the presser foot plate, and the lower end of the pressure rod is clamped with the front end of the presser foot arm; the lower end of the presser foot wrench is pivoted on the machine shell, the upper end of the presser foot arm can swing by taking the lower end of the presser foot arm as a fulcrum, and when the presser foot wrench swings to a preset position to one side, the front end of the presser foot arm is separated from the pressure lever, and the presser foot wrench and the presser foot arm are not in the same horizontal plane. When the presser foot spanner is in a preset position, the presser foot spanner and the presser foot arm are not on the same horizontal plane, so that interference on the presser foot arm is avoided, the presser foot arm is convenient to move outwards, and the overall operation convenience is improved.

Description

Overedger

Technical Field

The utility model belongs to the technical field of make up equipment, a overedger is related to.

Background

With the technology of the sewing machine becoming mature, the types of the sewing machine are gradually increased, for example, the overedger is widely applied to various garment factories, and the overedger is mainly used for trimming and sewing the edges of the sewing material, wrapping the edges of the sewing material with a specific stitch, and occupies an indispensable position in the field of the sewing machine.

In the sewing process, the presser foot assembly is required to tightly press the sewing material, and a presser foot lifting mechanism capable of lifting the presser foot plate is also required. For example, in a method for adjusting the foot force of a presser foot based on an overlock sewing machine disclosed in chinese patent CN 109629126a, the presser foot lifting device includes a presser foot lifting rod for controlling the movement of a presser foot plate, i.e., a presser foot wrench, and the presser foot plate is moved away from a needle plate by applying force to the presser foot lifting rod. Specifically, the periphery of the connecting piece is provided with a stress bulge, the pressure foot wrench is abutted against the stress bulge, and when the pressure foot wrench swings around a fixed fulcrum, the pressure foot wrench can lift the pressure foot plate through the action of the stress bulge.

Although the device can realize the purpose of lifting the presser foot, the following defects still exist: the presser foot spanner is close to the presser foot arm in the height direction, and after the presser foot spanner is pressed downwards, the presser foot spanner and the presser foot arm are in the same horizontal plane, so that interference is caused, the presser foot arm is influenced to move outwards, and the operation is inconvenient.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided an overedger, the utility model aims to solve the technical problem that: how to produce the interference to the presser foot arm when avoiding pressing the presser foot spanner to improve the simple operation nature.

The purpose of the utility model can be realized by the following technical proposal:

the overedger is characterized by comprising a machine shell, a presser foot arm, a presser foot wrench, a pressure rod and a presser foot plate, wherein the rear end of the presser foot arm is movably arranged on the machine shell through a presser foot shaft, the front end of the presser foot arm can swing around the presser foot shaft and is connected with the presser foot plate, and the lower end of the pressure rod is clamped with the front end of the presser foot arm; the lower end of the pressure foot wrench is pivoted on the machine shell, the upper end of the pressure foot arm can swing by taking the lower end of the pressure foot arm as a fulcrum, when the pressure foot wrench swings to a preset position to one side, the front end of the pressure foot arm is separated from the pressure rod, and the pressure foot wrench and the pressure foot arm are not on the same horizontal plane.

The working principle is as follows: when the sewing is normal, the pressure lever applies force to the presser foot arm under the action of the spring, so that the presser foot plate is tightly propped against the cloth; when the presser foot needs to be lifted, the presser foot lifting driving source of the overedger can drive the presser foot shaft to swing, so that the presser foot arm is driven to swing, and the presser foot plate is driven to be lifted up to lift the presser foot. When the presser foot arm needs to be pulled out outwards, the presser foot wrench needs to be swung to a preset position to enable the front end of the presser foot arm to be separated from the pressing rod, and the presser foot wrench and the presser foot arm are not on the same horizontal plane at the moment, so that interference on the presser foot arm cannot be caused, the presser foot arm is convenient to move outwards, and the overall operation convenience is improved.

In the overedger, the presser foot wrench is located above the presser foot arm and faces the panel of the machine shell. The presser foot wrench is designed to be opposite to the shell panel, so that a larger distance is reserved between the presser foot wrench and the presser foot arm, and the presser foot wrench cannot interfere with the presser foot arm after swinging.

In the overedger, the overedger further comprises a presser foot rod sleeve, the presser foot rod sleeve is fixed on the machine shell, the pressure rod is arranged in the presser foot rod sleeve in a sliding mode, a connecting piece is further arranged on a side arm of the pressure rod, and a first connecting part which is abutted against or hinged to the connecting piece is arranged at the lower end of the presser foot wrench. When the presser foot arm needs to be pulled outwards, the presser foot wrench can be swung to a preset position, so that the pressing rod is driven to slide upwards, the lower end of the pressing rod is separated from the front end of the presser foot arm, and the presser foot arm is convenient to pull outwards.

In the overedger, a clamping groove is formed at the lower end of the pressure lever, and the front end of the presser foot arm is embedded in the clamping groove. The two are clamped to facilitate the taking out of the presser foot arm.

In the overedger, the overedger further comprises an upper feeding tooth located above the needle plate of the overedger, the presser foot wrench is connected with the upper feeding tooth through a transmission mechanism, and when the presser foot wrench swings to a preset position, the upper feeding tooth can be driven to lift through the transmission mechanism. When the presser foot spanner swings to a preset position, the upper feeding tooth can be driven to lift, so that the presser foot spanner is suitable for the machine type of the all-in-one machine.

In the overedger, the transmission mechanism comprises a feed lifting rod, a feed lifting crank, a feed lifting shaft, a feed lifting lever and an upper feed frame, the lower end of the presser foot wrench is provided with a second connecting part hinged to one end of the feed lifting rod, the other end of the feed lifting rod is connected to one end of the feed lifting crank, the other end of the feed lifting crank is connected to the feed lifting shaft, the feed lifting shaft is rotatably arranged on the machine shell, the feed lifting rod is sleeved on the feed lifting shaft, one end of the feed lifting lever is sleeved on the presser foot shaft, the other end of the feed lifting lever is provided with a third connecting part and a fourth connecting part, the third connecting part and the fourth connecting part are respectively abutted against or connected with the feed lifting rod and the upper feed frame, and the upper feed tooth is connected with the front end of the upper feed frame. The presser foot spanner swings, the feed lifting shaft can be driven to swing through the feed lifting connecting rod and the feed lifting crank, the feed lifting lever is driven to swing through the feed lifting lever, and then the upper feed feeding rack is driven to be lifted up through the feed lifting lever, so that the upper feed feeding tooth is driven to be lifted up.

In the overedger, the connecting portion is located below the casing panel, and when the presser foot wrench swings to a predetermined position, the connecting portion on the presser foot wrench can abut against the lower edge of the casing panel. The design can limit the swing stroke of the presser foot wrench.

Compared with the prior art, the utility model has the advantages of it is following:

in this application, when the presser foot spanner is in preset position, not on same horizontal plane with the presser foot arm, consequently can not cause the interference to the presser foot arm, make things convenient for the presser foot arm to move outward to improve holistic simple operation nature.

Drawings

FIG. 1 is a schematic structural view of the overedger.

FIG. 2 is a schematic structural view of a presser foot lifting mechanism of the overedger.

FIG. 3 is a schematic structural view of a feed dog lifting mechanism of the overedger.

In the figure, 1, a housing; 2. a presser foot arm; 3. a presser foot wrench; 4. a foot pressing plate; 5. a presser foot shaft; 7. a panel; 8. a presser foot bar sleeve; 9. a pressure lever; 10. a connecting member; 11. a first connecting part; 12. a clamping groove; 13. feeding teeth are arranged; 14. a transmission mechanism; 15. a feed lifting connecting rod; 16. a feed lifting crank; 17. a feed lifting shaft; 18. a lifting tooth deflector rod; 19. a tooth raising lever; 20. an upper cloth feeding frame; 21. a second connecting part; 22. a connecting part III; 23. and a connecting part IV.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2 and 3, the overedger includes a housing 1, a presser arm 2, a presser wrench 3 and a presser foot plate 4, wherein the rear end of the presser arm 2 is movably disposed on the housing 1 through the presser shaft 5, the front end of the presser arm 2 is swingable around the presser shaft 5, the lower end of the presser wrench 3 is pivotally connected to the housing 1, the upper end of the presser arm 2 is swingable with the lower end of the presser arm 2 as a fulcrum, and when the presser wrench 3 is swung to a predetermined position to one side, the presser wrench 3 and the presser arm 2 are not on the same horizontal plane. The predetermined position in the present application means that when the presser foot wrench 3 swings to the position, the presser foot arm 2 can be separated from the pressing rod 9 in the overedger.

Specifically, in this embodiment, the overedger further includes a presser foot bar cover 8 and a pressing bar 9, the presser foot bar cover 8 is fixed to the housing 1, the pressing bar 9 is slidably disposed in the presser foot bar cover 8, a lower end of the pressing bar 9 is connected to a front end of the presser foot arm 2, a front end of the presser foot arm 2 is connected to the presser foot plate 4, in this embodiment, a clamping groove 12 is formed at a lower end of the pressing bar 9, and a front end portion of the presser foot arm 2 is fitted into the clamping groove 12.

As shown in fig. 2, the side arm of the pressing rod 9 is further provided with a connecting member 10, and the lower end of the pressing foot wrench 3 is provided with a first connecting part 11 abutting against or hinged to the connecting member 10. Preferably, in the present embodiment, the connecting member 10 is designed as a pin, and the first connecting portion 11 is an arc-shaped protrusion capable of contacting with the connecting member 10.

Preferably, in the present embodiment, the presser foot wrench 3 is located above the presser arm 2 and faces the panel 7 of the housing 1.

As shown in fig. 2 and 3, in order to make the present presser foot wrench 3 also applicable to all-in-one machines, the present overlock machine further includes an upper feeding tooth 13 located above the needle plate of the overlock machine, the presser foot wrench 3 is connected with the upper feeding tooth 13 through a transmission mechanism 14, and when the presser foot wrench 3 swings to a lifting preset position, the upper feeding tooth 13 can be driven to lift through the transmission mechanism 14. Of course, the presser foot wrench 3 is not only suitable for an all-in-one machine, but also can be applied to a traditional overedger to avoid interference with the presser foot arm 2.

Specifically, in this embodiment, the transmission mechanism 14 includes a feed lifting link 15, a feed lifting crank 16, a feed lifting shaft 17, a feed lifting lever 18, a feed lifting lever 19, and an upper feed frame 20, the lower end of the presser foot wrench 3 has a second connecting portion 21 hinged to one end of the feed lifting link 15, the other end of the feed lifting link 15 is connected to one end of the feed lifting crank 16, the other end of the feed lifting crank 16 is connected to the feed lifting shaft 17, the feed lifting shaft 17 is rotatably disposed on the housing 1, the feed lifting lever 18 is fitted over the feed lifting shaft 17, one end of the feed lifting lever 19 is fitted over the presser foot shaft 5, the other end of the feed lifting lever 19 has a third connecting portion 22 and a fourth connecting portion which are respectively abutted against or connected to the feed lifting lever 18 and the upper feed frame 20, and the upper feed dog 13 is connected to the front end of the upper feed frame 20. In order to perform a limiting function, in the embodiment, the second connecting portion 21 is located below the panel 7 of the machine shell 1, and when the presser foot wrench 3 swings to a predetermined position, the second connecting portion 21 on the presser foot wrench 3 can abut against the lower edge of the panel 7 of the machine shell 1.

The working principle of the utility model is as follows:

when the presser foot arm 2 needs to be taken out, the upper end of the presser foot wrench 3 is pulled to drive the presser foot wrench 3 to swing, so that the pressure rod 9 is driven to slide upwards through the matching between the first connecting part 11 and the connecting part 10, the pressure rod 9 is separated from the presser foot arm 2, and the presser foot arm 2 is convenient to pull outwards; meanwhile, the feed lifting device can drive the feed lifting shaft 17 to swing through the feed lifting connecting rod 15 and the feed lifting crank 16, further drive the feed lifting lever 19 to swing through the feed lifting lever 18, and then drive the upper feed delivery rack 20 to lift up through the feed lifting lever 19, so as to drive the upper feed delivery tooth 13 to lift up.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The overedger is characterized by comprising a machine shell (1), a presser foot arm (2), a presser foot wrench (3), a pressure rod (9) and a presser foot plate (4), wherein the rear end of the presser foot arm (2) is movably arranged on the machine shell (1) through a presser foot shaft (5), the front end of the presser foot arm (2) can swing around the presser foot shaft (5) and is connected with the presser foot plate (4), and the lower end of the pressure rod (9) is clamped with the front end of the presser foot arm (2); the lower end of the presser foot wrench (3) is pivoted on the machine shell (1), the upper end of the presser foot arm (2) can swing by taking the lower end of the presser foot arm (2) as a fulcrum, when the presser foot wrench (3) swings to a preset position to one side, the front end of the presser foot arm (2) is separated from the pressure lever (9), and the presser foot wrench (3) and the presser foot arm (2) are not on the same horizontal plane.

2. Overlock machine according to claim 1, characterized in that said presser foot wrench (3) is located above the presser foot arm (2) and facing the panel (7) of said machine housing (1).

3. Overlock machine according to claim 1 or 2, characterized in that it comprises a presser foot bar cover (8), said presser foot bar cover (8) being fixed to the machine shell (1), said presser bar (9) being slidingly arranged inside the presser foot bar cover (8); the side arm of the pressure lever (9) is also provided with a connecting piece (10), and the lower end of the pressure foot wrench (3) is provided with a first connecting part (11) which is abutted against or hinged with the connecting piece (10).

4. The overedger according to claim 3, characterized in that the lower end of said presser bar (9) is provided with a clamping groove (12), and the front end of said presser arm (2) is engaged in said clamping groove (12).

5. The overlock machine according to claim 1, further comprising an upper feed dog (13) located above the overlock machine needle plate, wherein the presser foot wrench (3) is connected with the upper feed dog (13) through a transmission mechanism (14), and the upper feed dog (13) can be lifted by the transmission mechanism (14) when the presser foot wrench (3) swings to a predetermined position.

6. The overedger according to claim 5, wherein the transmission mechanism (14) comprises a tooth lifting connecting rod (15), a tooth lifting crank (16), a tooth lifting shaft (17), a tooth lifting shifting rod (18), a tooth lifting lever (19) and an upper cloth feeding frame (20), the lower end of the presser foot wrench (3) is provided with a second connecting part (21) hinged to one end of the tooth lifting connecting rod (15), the other end of the tooth lifting connecting rod (15) is connected with one end of the tooth lifting crank (16), the other end of the tooth lifting crank (16) is connected to the tooth lifting shaft (17), the tooth lifting shaft (17) is rotatably arranged on the machine shell (1), the tooth lifting shifting rod (18) is sleeved on the tooth lifting shaft (17), one end of the tooth lifting lever (19) is sleeved on the presser foot shaft (5), and the other end of the tooth lifting lever (19) is provided with a third connecting part (22) respectively abutted against or connected with the tooth lifting shifting rod (18) and the upper cloth feeding frame (20) And the upper feeding tooth (13) is connected with the front end of the upper cloth feeding frame (20).

7. The overlock machine according to claim 6, characterized in that the second connecting part (21) is located below a panel (7) of the machine shell (1), and when the presser foot wrench (3) swings to a preset position, the second connecting part (21) on the presser foot wrench (3) can abut against a lower edge part of the panel (7) of the machine shell (1).