CN220057249U - Button head buttonhole serging presser foot structure - Google Patents
Button head buttonhole serging presser foot structure Download PDFInfo
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- CN220057249U CN220057249U CN202321608221.8U CN202321608221U CN220057249U CN 220057249 U CN220057249 U CN 220057249U CN 202321608221 U CN202321608221 U CN 202321608221U CN 220057249 U CN220057249 U CN 220057249U
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- presser foot
- faller
- translation
- needle plate
- foot
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- 238000009964 serging Methods 0.000 title description 3
- 238000013519 translation Methods 0.000 claims abstract description 40
- 230000001360 synchronised effect Effects 0.000 claims abstract description 28
- 230000005012 migration Effects 0.000 claims abstract description 9
- 238000013508 migration Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000009958 sewing Methods 0.000 claims description 31
- 238000009434 installation Methods 0.000 claims 2
- 239000004744 fabric Substances 0.000 abstract description 37
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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- Sewing Machines And Sewing (AREA)
Abstract
The utility model provides a button hole lockstitch presser foot structure, which comprises: the device comprises a bedplate, a stand, a presser foot, a sliding needle plate and a synchronous moving device; the sliding needle plate is arranged in a mounting groove on the bedplate; the base of frame and mounting groove between be equipped with the translation groove, synchronous shifter sets up in the translation groove to can be in translation inslot horizontal migration, and its one end passes through transmission shaft and the faller fixed connection that slides, and the other end passes through the actuating arm and is connected with the presser foot, and can pass through actuating arm control presser foot operation from top to bottom, the faller that slides includes left faller and right faller, and can make left faller and right faller respectively to mounting groove both sides horizontal migration through synchronous shifter. According to the utility model, the synchronous moving device is adopted to synchronously move the needle plate and the presser foot, so that the cloth can be fixed and then automatically tensioned and leveled through translation, the steps of manual operation are reduced, and the production efficiency is greatly improved.
Description
Technical Field
The utility model relates to the field of clothing preparation, in particular to a button hole overlock presser foot structure.
Background
The overlock is a sewing method, which is mainly used for the edge or buttonhole of clothes, and the effect of the overlock is to reduce the probability of thread dislocation or hair change at the edge or buttonhole after long-time use. The buttonhole sewing machine is a sewing machine which forms a buttonhole on a sewn object and performs serging around the buttonhole. In a buttonhole sewing machine, a needle thread passing through a needle is wound with a bobbin thread wound on a bobbin in a shuttle device to form buttonhole stitches while a sewn object held by a presser foot or the like is conveyed by a cloth feeding mechanism in a predetermined direction, so that a special presser foot is required to press the sewn object; the bottom surface of the existing lockstitch presser foot belongs to a plane with a larger area, and due to the influences of a zipper, a button, double-layer cloth and the like, a pressing part cannot be completely contacted with the cloth when the cloth is pressed and sewn, so that a needle skipping phenomenon occurs in the sewing process.
The prior art CN201120467106.4 discloses a presser foot mechanism of a eyelet buttonholing machine, which comprises a cloth feeding table. The two sides of the cloth feeding table are respectively provided with an assembling cavity, the upper end face of the assembling cavity is provided with an upper panel, and two cloth pressing plates which can be mutually separated are arranged between the upper panels. Each cloth pressing plate is fixed with a base, the base is rotatably provided with a presser foot arm, a hook-shaped driving part is arranged below the cloth pressing plate in an extending mode, and the driving part is matched with a driving mechanism arranged at the bottom of the assembly cavity. Although the utility model realizes automatic lifting or pressing of the presser foot through the control of the control module in the control circuit, the following problems still exist:
1. the bottom surface of the existing buttonhole overlock presser foot belongs to a planar structure, and in order to ensure the pressure on cloth, the surface area of the bottom surface of the presser foot is large, so that the presser foot can possibly not completely press the cloth of a sewing part when the cloth is provided with folds, and the cloth is offset in the sewing process, so that the sewing quality is affected.
2. The existing buttonhole presser foot cannot tighten and level cloth in the sewing process, and the cloth needs to be manually leveled, so that the production efficiency is greatly affected.
3. The needle plate of the prior buttonhole device is fixed on the platen and cannot move, so the buttonhole device with round head can only carry out buttonhole operation on the buttonhole with round head with fixed size.
Disclosure of Invention
In view of the above, the present utility model aims to provide a button hole overlock presser foot structure, which uses a synchronous moving device to synchronously move a needle plate and a presser foot, so that the button hole overlock presser foot structure can fix a cloth and then make the cloth automatically tighten and level through translation, thereby reducing the steps of manual operation, greatly improving the production efficiency, and enabling the button hole overlock device to be suitable for overlock sewing of button holes with different sizes by adjusting the initial spacing between a left needle plate and a right needle plate.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a button hole lockstitch border presser foot structure, include: the device comprises a bedplate, a stand, a presser foot, a sliding needle plate and a synchronous moving device; the machine seat is arranged on the bedplate, a mounting groove is correspondingly formed in the bedplate below the machine needle of the machine seat, and the sliding needle plate is arranged in the mounting groove in the bedplate;
the base of frame and mounting groove between be equipped with the translation groove, synchronous shifter sets up in the translation groove to can be in translation inslot horizontal migration, and its one end passes through transmission shaft and the faller fixed connection that slides, and the other end passes through the actuating arm and is connected with the presser foot, and can pass through actuating arm control presser foot operation from top to bottom, the faller that slides includes left faller and right faller, and can make left faller and right faller respectively to mounting groove both sides horizontal migration through synchronous shifter.
The cloth can be pressed downwards by the presser foot through the driving arm, and the synchronous sliding device drives the sliding needle plate and the presser foot to synchronously move, so that the upper surface and the lower surface of the cloth can be synchronously tightened, the upper surface and the lower surface of the cloth at the sewing position in the sewing process can be ensured to be tightened and leveled, and the sewing quality of products is improved.
Preferably, the synchronous moving device comprises a left translation device and a right translation device, and the left translation device and the right translation device are respectively arranged in the translation groove corresponding to the left needle plate and the right needle plate.
It is to be noted that, through utilizing left translation device and right translation device to drive left faller and right faller through the horizontal migration of translation inslot and produce corresponding removal, make the cloth lower surface can automatic tensioning flattening, improved the operability and the availability factor of equipment.
Preferably, the presser foot comprises a left positioning foot and a right positioning foot, wherein the left positioning foot and the right positioning foot are symmetrically arranged on two sides of the machine needle, and arc-shaped notches are arranged on the left positioning foot and the right positioning foot corresponding to the button hole sewing stitch.
The distance between the presser feet can be controlled by the synchronous moving device through the presser feet formed by the left positioning feet and the right positioning feet, the presser feet are not only suitable for sewing without worrying about buckling holes, but also translate to two sides when the cloth is pressed, and the presser feet are more convenient to tighten and level the upper surface of the cloth, so that the sewing quality of products is improved.
Preferably, the bottom of the presser foot is an arc surface, and the diameter of the arc surface is smaller than 0.4cm.
It should be noted that, the presser foot with the bottom being the arc surface is adopted to reduce the pressing area of the presser foot, so that the influence of the zipper, the button, the double-layer cloth and the like on the presser foot is reduced, specifically, the thickness of the zipper, the button and the like is larger than the thickness of the cloth, the presser foot cannot be completely pressed on the surface of the cloth when the area of the presser foot is larger, the cloth at the sewing position is loose, and the sewing effect is influenced.
Preferably, the presser foot is detachably connected with the driving arm through a connecting piece.
The connecting piece enables the presser foot to be detachably connected with the driving arm, so that the presser foot can be quickly replaced.
Preferably, the upper surface of the sliding needle plate is provided with anti-skid patterns.
The anti-skid patterns are arranged on the sliding needle plate to increase friction force between the anti-skid patterns and the cloth, so that the cloth is prevented from moving in the sewing process, and the sewing quality of products is improved.
The utility model has the beneficial effects that:
according to the round-head buttonhole structure, the synchronous moving device is adopted to synchronously move the needle plate and the presser foot, so that the cloth can be fixed and then automatically stretched and leveled through translation, the steps of manual operation are reduced, the production efficiency is greatly improved, and the round-head buttonhole device can be suitable for buttonhole sewing of round-head buttonholes with different sizes by adjusting the initial spacing between the left needle plate and the right needle plate.
Drawings
Fig. 1 is a schematic perspective view of a button hole lockstitch presser foot structure according to embodiment 1 of the present utility model.
Fig. 2 is a schematic view of the platen structure of embodiment 1 of the present utility model.
Fig. 3 is a schematic view of the structure of the presser foot according to embodiment 1 of the present utility model.
Fig. 4 is a schematic diagram of a part of a synchronous moving device according to embodiment 1 of the present utility model.
Fig. 5 is a schematic diagram of a position structure of a synchronous mobile device according to embodiment 1 of the present utility model.
In the figure: 1. a platen; 11. a mounting groove; 12. a translation groove; 2. a base; 3. a presser foot; 31. a left positioning foot; 32. a right positioning foot; 4. a sliding needle plate; 41. a left needle plate; 42. a right needle plate; 5. a synchronous moving device; 51. a left translation device; 52. a right translation device; 6. a transmission shaft; 7. a driving arm; 8. a connecting piece; 9. anti-skid lines.
It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1-5, a button hole overlock presser foot structure comprises: a bedplate 1, a stand 2, a presser foot 3, a sliding needle plate 4 and a synchronous moving device 5; the machine seat 2 is arranged on the bedplate 1, a mounting groove 11 is correspondingly formed in the bedplate 1 below the machine needle of the machine seat 2, and the sliding needle plate 4 is arranged in the mounting groove 11 in the bedplate 1;
the base of frame 2 is equipped with translation groove 12 between the mounting groove 11, synchronous shifter 5 sets up in translation groove 12 to can be in translation groove 12 horizontal migration, and its one end passes through transmission shaft 6 and slides faller 4 fixed connection, and the other end passes through actuating arm 7 and is connected with presser foot 3, and can control presser foot 3 through actuating arm 7 and reciprocate, slide faller 4 includes left faller 41 and right faller 42, and can make left faller 41 and right faller 42 respectively to mounting groove 11 both sides horizontal migration through synchronous shifter 5.
The synchronous moving device 5 comprises a left translation device 51 and a right translation device 52, and the left translation device 51 and the right translation device 52 are respectively arranged in the translation groove 12 corresponding to the left needle plate 41 and the right needle plate 42.
The presser foot 3 comprises a left positioning foot 31 and a right positioning foot 32, wherein the left positioning foot 31 and the right positioning foot 32 are symmetrically arranged on two sides of a machine needle, and arc-shaped notches are arranged on the left positioning foot and the right positioning foot 32 corresponding to the buttonhole sewing stitch.
The bottom of the presser foot 3 is an arc surface, and the diameter of the arc surface is smaller than 0.4cm.
The presser foot 3 is detachably connected with the driving arm 7 through a connecting piece 8.
The upper surface of the sliding needle plate 4 is provided with anti-skid patterns 9
The working principle and the using method of the round-head buttonhole lockstitch presser foot structure are as follows:
according to the round-head buttonhole overlock presser foot structure provided by the embodiment, the left needle plate 41 and the right needle plate 42 of the sliding needle plate 4 and the left positioning foot 31 and the right positioning foot 32 of the presser foot 3 are respectively controlled by the left translation device 51 and the right translation device 52 of the synchronous moving device 5, so that synchronous movement can be performed, the upper surface and the lower surface of cloth can be synchronously tensioned and leveled under the cooperation of the sliding needle plate 4 and the presser foot 3, the sewing quality of a product is ensured, the influence of zippers, buttons, double-layer cloth and the like on the presser foot 3 is reduced by reducing the contact area between the bottom surface of the presser foot 3 and the cloth, the cloth at the sewing position is ensured to be comprehensively compressed, movement of the presser foot 3 in the sewing process is prevented, the sewing quality of the product is ensured, the presser foot 3 can be detachably connected with the driving arm 7 by adopting the connecting piece 8, the presser foot 3 can be rapidly replaced, and the production efficiency is improved.
When in use, the left positioning pin 31, the right positioning pin 32 and the distance between the left needle plate 41 and the right needle plate 42 are adjusted according to the size of the buttonhole to be sewn (specifically, the initial distance (initial position) between the left translation device 51 and the right translation device 52 of the synchronous moving device 5 is adjusted, so that the distance between the left positioning pin 31, the right positioning pin 32 and the left needle plate 41 and the right needle plate 42 is changed, the adjustment of the distance is completed), then the part to be sewn is placed on the needle plate of the platen 1, the operation of the driving arm 7 is controlled through the master control device, the presser foot 3 compresses the cloth, the synchronous moving device 5 is controlled through the master control device, the presser foot 4 and the presser foot 3 are enabled to generate certain distance offset, so that the cloth at the sewn part is tensioned and flattened, then the operation of the base 2 is controlled to start the buttonhole to be sewn, after the sewing is completed, the presser foot 3 is lifted up under the control of the driving arm 7, the synchronous moving device 5 is controlled to return to the initial position so that the next buttonhole is sewn, when the sewing of different sizes is required, the left position and the left needle plate 1 and the left needle plate are required to be sewn, the left position and the driving arm 3 are required to be adjusted, the original position and the presser foot 3 are required to be shifted, and the original position and the driving arm 8 are required to be connected and the original position 8 is removed, and the sewing piece is required to be removed, and the previous position is replaced, and the sewing piece is replaced.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model are included in the protection scope of the present utility model.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "upper end", "lower end", "upper surface", "lower surface", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (6)
1. A button hole overlock presser foot structure comprising: a bedplate (1), a stand (2), a presser foot (3), a sliding needle plate (4) and a synchronous moving device (5); the machine seat (2) is arranged on the bedplate (1), an installation groove (11) is correspondingly formed in the bedplate (1) below the machine needle of the machine seat (2), and the sliding needle plate (4) is arranged in the installation groove (11) on the bedplate (1), and is characterized in that:
be equipped with translation groove (12) between the base of frame (2) and mounting groove (11), synchronous shifter (5) set up in translation groove (12) to can move in translation groove (12) horizontal migration, and its one end passes through transmission shaft (6) and slip faller (4) fixed connection, and the other end passes through actuating arm (7) and presser foot (3) are connected, and can pass through actuating arm (7) control presser foot (3) and reciprocate, slip faller (4) include left faller (41) and right faller (42), and can make left faller (41) and right faller (42) respectively to mounting groove (11) both sides horizontal migration through synchronous shifter (5).
2. The button hole overlock presser foot structure as defined in claim 1, wherein: the synchronous moving device (5) comprises a left translation device (51) and a right translation device (52), and the left translation device (51) and the right translation device (52) are respectively arranged in the translation groove (12) corresponding to the left needle plate (41) and the right needle plate (42).
3. The button hole overlock presser foot structure as defined in claim 1, wherein: the presser foot (3) comprises a left positioning foot (31) and a right positioning foot (32), wherein the left positioning foot (31) and the right positioning foot (32) are symmetrically arranged on two sides of the needle, and arc-shaped notches are arranged on the left positioning foot and the right positioning foot corresponding to the button hole sewing stitch.
4. The button hole overlock presser foot structure as defined in claim 1, wherein: the bottom of the presser foot (3) is an arc surface, and the diameter of the arc surface is smaller than 0.4cm.
5. The button hole overlock presser foot structure as defined in claim 1, wherein: the presser foot (3) is detachably connected with the driving arm (7) through a connecting piece (8).
6. The button hole overlock presser foot structure as defined in claim 1, wherein: the upper surface of the sliding needle plate (4) is provided with anti-slip patterns (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321608221.8U CN220057249U (en) | 2023-06-25 | 2023-06-25 | Button head buttonhole serging presser foot structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321608221.8U CN220057249U (en) | 2023-06-25 | 2023-06-25 | Button head buttonhole serging presser foot structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220057249U true CN220057249U (en) | 2023-11-21 |
Family
ID=88762955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321608221.8U Active CN220057249U (en) | 2023-06-25 | 2023-06-25 | Button head buttonhole serging presser foot structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220057249U (en) |
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2023
- 2023-06-25 CN CN202321608221.8U patent/CN220057249U/en active Active
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