CN106521818B - Sewing machine and presser device thereof - Google Patents
Sewing machine and presser device thereof Download PDFInfo
- Publication number
- CN106521818B CN106521818B CN201611269653.5A CN201611269653A CN106521818B CN 106521818 B CN106521818 B CN 106521818B CN 201611269653 A CN201611269653 A CN 201611269653A CN 106521818 B CN106521818 B CN 106521818B
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- pressing plate
- plate
- platen
- pressing
- mounting plate
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B29/00—Pressers; Presser feet
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention relates to the technical field of sewing machines, in particular to a pressing plate device and a sewing machine comprising the same. Through the relative slip of two clamp plates along the horizontal direction on the mainboard, the distance between two adjustable clamp plates changes its size that covers the pressure range, realizes the regulation of clamp plate size, adapts to the cloth of equidimension not. The pressing of the edge covering pressing plate on the cloth in the area between the two pressing plates can avoid the problem that the sewing stitch is poor due to the fact that the cloth in the area between the two pressing plates loses the pressing, and the sewing stitch is natural and attractive.
Description
Technical Field
The invention relates to the technical field of sewing machines, in particular to a pressure plate device and a sewing machine comprising the same.
Background
In the process of sewing the cloth, the automatic sewing machine needs to press the cloth through the pressing plate to replace manual pressing of the cloth, so that the sewing process is guaranteed to be smoothly carried out, the sewing work efficiency can be improved, and the manual work load can be reduced.
In order to further improve the efficiency and reduce the cost, an automatic sewing machine is required to sew the fabrics with various shapes and sizes. And in order to guarantee the pressing effect on the cloth, the pressing plate is required to be capable of adapting to the cloth with different sizes. Therefore, there is a need for a platen device that can be varied in size.
Disclosure of Invention
The present invention is directed to a size-changeable presser device and a sewing machine including the same, which can be adapted to different sizes of cloth to overcome the above-mentioned drawbacks of the prior art.
In order to solve the technical problems, the invention adopts the following technical scheme: a pressing plate device comprises a main plate, a first pressing plate, a second pressing plate, a binding pressing plate and a driving assembly, wherein the first pressing plate and the second pressing plate are arranged on the main plate at intervals along the horizontal direction and can slide relatively, the binding pressing plate is arranged in an interval area between the first pressing plate and the second pressing plate along the horizontal direction, and the driving assembly is connected with the first pressing plate and/or the second pressing plate and drives the first pressing plate and/or the second pressing plate to slide on the main plate along the horizontal direction.
Preferably, the binding pressing plate comprises a horizontal part and a vertical part which are at right angles, the horizontal part and the vertical part are both arranged in a spacing area between the first pressing plate and the second pressing plate along the horizontal direction, the horizontal part is positioned above the spacing area, and the vertical part is positioned on the side surface of the spacing area.
Preferably, the lower end of the vertical portion is serrated.
Preferably, the hemming press plate is made of an elastic material.
Preferably, one end of the horizontal part is fixedly arranged on the first pressing plate, and the other end of the horizontal part is slidably arranged on the second pressing plate.
Preferably, the horizontal part is provided with a long strip-shaped guide through hole, the second pressing plate is provided with a limiting guide part, and the guide through hole is slidably sleeved on the limiting guide part.
Preferably, the driving assembly comprises a motor, a gear connected with an output shaft of the motor and a rack matched with the gear, and the rack is arranged on the first pressing plate or the second pressing plate.
Preferably, a rack is respectively arranged on the first pressing plate and the second pressing plate, and the two racks are arranged in parallel along the horizontal direction and are simultaneously matched with the gear.
Preferably, the first pressing plate is mounted on the first mounting plate, the second pressing plate is mounted on the second mounting plate, the first mounting plate and the second mounting plate are arranged on the main board in a relatively sliding manner, and the driving assembly is connected with the first mounting plate and/or the second mounting plate.
A sewing machine comprising a presser device as described above.
Compared with the prior art, the invention has the remarkable progress that:
through the relative slip of drive assembly drive first clamp plate and second clamp plate along the horizontal direction on the mainboard, can adjust the spacing distance between first clamp plate and the second clamp plate to change the size that first clamp plate and second clamp plate cover the pressure range, realized the adjustable of clamp plate size from this, can adapt to the cloth of equidimension not. Meanwhile, the cloth in the interval area between the first pressing plate and the second pressing plate can be pressed through the edge covering pressing plate, so that the problem that the sewing stitch is poor due to the fact that the cloth in the interval area between the first pressing plate and the second pressing plate loses pressing is avoided, and the sewing stitch is natural and attractive. Overall structure is simple, and application range is wide, can adapt to the cloth of various sizes to high modularization has shortened maintenance duration greatly, has reduced cost of maintenance.
Drawings
Fig. 1 is a schematic structural view of a platen device according to an embodiment of the present invention, viewed from top to bottom.
Fig. 2 is a schematic structural view of a platen device according to an embodiment of the present invention, as viewed from the bottom up.
Fig. 3 is a schematic structural diagram of the platen device according to the embodiment of the present invention, in which the main plate and the motor are removed.
In the figure:
1. mainboard 21, first clamp plate 22, second clamp plate
31. Motor 32, gear 33, rack
4. Edge-covering pressing plate 41, horizontal part 42 and vertical part
43. Guide through hole 44, fixing bolt hole 45 and limiting bolt hole
51. First mounting plate 52, second mounting plates 61, 62, guide rail
71, 72, slide block 8, and shaft sleeve
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
One embodiment of the platen apparatus of the present invention is shown in fig. 1-3. As shown in fig. 1, the platen device of the present embodiment includes a main plate 1, a first platen 21, a second platen 22, a hemming platen 4, and a driving assembly. The first pressing plate 21 and the second pressing plate 22 are arranged on the main plate 1 at intervals along the horizontal direction and can slide relatively, and the first pressing plate 21 and the second pressing plate 22 in the embodiment are both arranged below the main plate 1. The hemming-pressing plate 4 is provided in a spaced area between the first pressing plate 21 and the second pressing plate 22 in a horizontal direction. The driving assembly is connected with the first pressing plate 21 and/or the second pressing plate 22 and drives the first pressing plate 21 and/or the second pressing plate 22 to slide on the main plate 1 in the horizontal direction. That is, the driving assembly may be simultaneously connected to the first pressing plate 21 and the second pressing plate 22, and drive the first pressing plate 21 and the second pressing plate 22 to relatively slide on the main plate 1 in the horizontal direction, thereby changing the spaced distance between the first pressing plate 21 and the second pressing plate 22. The driving assembly may be connected to only one of the first pressing plate 21 and the second pressing plate 22 and drive the same to slide on the main plate 1 in the horizontal direction, and the first pressing plate 21 and the second pressing plate 22 can also slide on the main plate 1 in the horizontal direction, so as to change the spacing distance between the first pressing plate 21 and the second pressing plate 22. Therefore, the platen device of the embodiment drives the first platen 21 and the second platen 22 to slide relatively on the main board 1 along the horizontal direction through the driving assembly, so that the spacing distance between the first platen 21 and the second platen 22 can be adjusted, the size of the covering and pressing range of the first platen 21 and the second platen 22 is changed, the size of the platens is adjustable, and the platen device can adapt to fabrics of different sizes. Simultaneously, can suppress the cloth that is located the interval region between first clamp plate 21 and the second clamp plate 22 through bordure clamp plate 4 to avoid being located the cloth of interval region between first clamp plate 21 and the second clamp plate 22 and lead to making up the poor problem of stitch seam because of losing the suppression, guarantee to make up the stitch seam and beautifully naturally.
Further, the hemming-press plate 4 of the present embodiment includes a horizontal portion 41 and a vertical portion 42 at right angles, each of the horizontal portion 41 and the vertical portion 42 is provided in a horizontal direction in a spaced area between the first press plate 21 and the second press plate 22, and the horizontal portion 41 is located above the spaced area and the vertical portion 42 is located at a side of the spaced area. This enables a good pressing effect to be achieved for the material located in the gap between the first press plate 21 and the second press plate 22. Preferably, the length of the binding press plate 4 in the horizontal direction is not less than the maximum distance between the first press plate 21 and the second press plate 22, so as to ensure that the binding press plate 4 can completely press the cloth located in the interval area between the first press plate 21 and the second press plate 22 when the first press plate 21 and the second press plate 22 are farthest away.
In order to ensure that the edge-covering pressing plate 4 can be well attached to the pressed cloth, the edge-covering pressing plate 4 in the embodiment is made of an elastic material. Preferably, the horizontal portion 41 and the vertical portion 42 of the hemming-pressing plate 4 are both thin plates of elastic steel.
In order to increase the friction between the edge-covering pressing plate 4 and the cloth to be pressed, the lower end of the vertical part 42 of the edge-covering pressing plate 4 is arranged to be in a sawtooth shape in the embodiment, and the lower end of the sawtooth shape of the vertical part 42 is contacted with the cloth to be pressed, so that the edge-covering pressing plate 4 can be effectively prevented from sliding relatively to the cloth to be pressed, and the attractiveness of sewing stitches is ensured.
In the present embodiment, the hemming pressing plate 4 is provided on the first pressing plate 21 and the second pressing plate 22. As shown in fig. 1, one end of the horizontal portion 41 of the binding pressing plate 4 is fixed to the first pressing plate 21, and the other end of the horizontal portion 41 is slidably provided on the second pressing plate 22. Of course, the form of the edge-covering pressing plate 4 disposed in the interval region between the first pressing plate 21 and the second pressing plate 22 is not limited to this embodiment, for example, the edge-covering pressing plate 4 may also be disposed on the main plate 1, and at this time, the edge-covering pressing plate 4 may be fixedly connected to the main plate 1.
Further, the horizontal portion 41 of the intermediate pressing plate 4 in this embodiment is L-shaped. The horizontal section of the L-shaped horizontal part 41 is provided with a strip-shaped guide through hole 43, the strip-shaped guide through hole 43 extends along the horizontal direction, a position-limiting guide part (not shown in the figure) is arranged on the second pressing plate 22 corresponding to the guide through hole 43, the position-limiting guide part can adopt a position-limiting guide bolt, the guide through hole 43 can be sleeved on the position-limiting guide part in a horizontally sliding manner, so that the edge-covering pressing plate 4 can slide relative to the second pressing plate 22, and meanwhile, the horizontal part 41 of the edge-covering pressing plate 4 can be well attached to the second pressing plate 22. The number of the limit guides is not limited, and one or more limit guides may be provided. Fixing bolt holes 44 and limiting bolt holes 45 are formed in the vertical section of the L-shaped horizontal portion 41, the fixing bolt holes 44 are used for inserting fixing bolts to fixedly connect the edge-covering pressing plate 4 to the first pressing plate 21, the limiting bolt holes 45 are used for inserting limiting bolts, and the limiting bolts and the limiting guide pieces are matched with each other to limit the maximum spacing distance between the first pressing plate 21 and the second pressing plate 22. The number of the fixing bolt holes 44, the number of the fixing bolts, the number of the limiting bolt holes 45 and the number of the limiting bolts are not limited, and one or more fixing bolts can be arranged.
Further, in the present embodiment, the first pressing plate 21 is mounted on the first mounting plate 51, the second pressing plate 22 is mounted on the second mounting plate 52, the first mounting plate 51 and the second mounting plate 52 are slidably disposed on the main board 1, and the driving assembly is connected to the first mounting plate 51 and/or the second mounting plate 52 to drive the first mounting plate 51 and/or the second mounting plate 52 to slide on the main board 1 in the horizontal direction. That is, the driving assembly can be connected to the first mounting plate 51 and the second mounting plate 52 at the same time, and drive the first mounting plate 51 and the second mounting plate 52 to slide relatively on the main board 1 in the horizontal direction, so as to drive the first pressing plate 21 and the second pressing plate 22 to slide relatively on the main board 1 in the horizontal direction. The driving assembly may be connected to only one of the first mounting plate 51 and the second mounting plate 52 to drive the first mounting plate to slide on the main board 1 in the horizontal direction, and drive the pressing plate connected to the first mounting plate to slide therewith, so that the first pressing plate 21 and the second pressing plate 22 can slide on the main board 1 in the horizontal direction, and the separation distance between the first pressing plate 21 and the second pressing plate 22 can be changed. By arranging the first pressing plate 21 and the second pressing plate 22 on the first mounting plate 51 and the second mounting plate 52 respectively, the first pressing plate 21 and the second pressing plate 22 can be conveniently detached and replaced to adapt to different shapes of cloth.
Further, a guide rail is arranged on the first mounting plate 51 and/or the second mounting plate 52, a sliding block in sliding fit with the guide rail is arranged on the main board 1, and the sliding of the first mounting plate 51 and/or the second mounting plate 52 on the main board 1 can be realized through the mutual fit of the guide rail and the sliding block. As shown in fig. 2 and 3, in the present embodiment, the guide rail 61 is provided on the first mounting plate 51, the guide rail 62 is provided on the second mounting plate 52, and the main plate 1 is provided with the slider 71 slidably engaged with the guide rail 61 and the slider 72 slidably engaged with the guide rail 62, so that the first mounting plate 51 and the second mounting plate 52 are slidably provided on the main plate 1. Of course, the guide rails 61 and 62 may be provided on the main board 1, and the sliders 71 and 72 may be provided on the first mounting plate 51 and the second mounting plate 52, respectively. When the drive assembly is connected to only one of the first mounting plate 51 and the second mounting plate 52, it is only necessary to provide a sliding fit of the guide rail and the slider between the mounting plate connected to the drive assembly and the main board 1. The way of slidably arranging the first mounting plate 51 and the second mounting plate 52 on the main board 1 is not limited to the way of slidably fitting the guide rail and the slider in the embodiment, and may be implemented by other ways, such as a way of fitting the sliding groove and the sliding pin, and further such as a way of using a linear bearing.
Further, in the present embodiment, the driving assembly includes a motor 31, a gear 32 connected to an output shaft of the motor 31, and a rack 33 engaged with the gear 32, and the rack 33 is disposed on the first pressing plate 21 or the second pressing plate 22. Preferably, two racks 33 are provided in the present embodiment, and are respectively provided on the first mounting plate 51 and the second mounting plate 52 in the horizontal direction, and the gear 32 is provided between the two racks 33 and is simultaneously engaged with the two racks 33. The motor 31 drives the gear 32 to rotate, and the gear 32 rotates to drive the two racks 33 to make linear motion along opposite directions, so as to drive the first mounting plate 51 and the second mounting plate 52 to move along with the two racks, thereby changing the spacing distance between the first pressing plate 21 and the second pressing plate 22. In addition, the first mounting plate 51 and the second mounting plate 52 are displaced equally by the gear 32 and the rack 33, so that the problem that the first mounting plate 51 and the second mounting plate 52 are displaced differently to cause deviation can be avoided. When the driving assembly is connected to only one of the first mounting plate 51 and the second mounting plate 52, only one rack 33 matched with the gear 32 is arranged on the mounting plate connected with the driving assembly. Of course, the way of driving the first mounting plate 51 and the second mounting plate 52 to slide on the main plate 1 by the driving assembly is not limited to the way of gear rack transmission in this embodiment, and other ways, such as a way of lead screw nut, and further such as a way of matching a knurled metal wheel with a rubber strip or matching a rubber wheel with a knurled metal strip, may also be adopted.
Further, this implementation is equipped with a hollow axle sleeve 8 of axial in the top of mainboard 1, and the lower extreme of axle sleeve 8 passes through flange joint with mainboard 1, and the upper end and the motor 31 of axle sleeve 8 are connected, are equipped with a actuating lever in the axle sleeve 8, the upper end of actuating lever and motor 31's output shaft, and the lower extreme of actuating lever passes mainboard 1 and is connected with gear 32. Thereby effecting rotation of the gear 32 by the motor 31.
Further, in the present embodiment, a buffer layer is attached to the lower surfaces of the first pressing plate 21 and the second pressing plate 22, and the buffer layer is made of a rubber material and can play a role in buffering and increasing friction force.
Based on the above-mentioned presser device, the present embodiment further provides a sewing machine, and the sewing machine of the present embodiment includes the presser device as described above.
In summary, the presser device of the present embodiment and the sewing machine including the same can adjust the spacing distance between the first presser 21 and the second presser 22 by driving the first presser 21 and the second presser 22 to relatively slide on the main plate 1 along the horizontal direction through the driving assembly, so as to change the size of the pressing range of the first presser 21 and the second presser 22, thereby realizing the adjustment of the size of the presser and being capable of adapting to the fabrics with different sizes. Meanwhile, the cloth in the interval area between the first pressing plate 21 and the second pressing plate 22 can be pressed through the edge covering pressing plate 4, so that the problem that the sewing stitch is poor due to the fact that the cloth in the interval area between the first pressing plate 21 and the second pressing plate 22 loses pressing is avoided, and the sewing stitch is natural and attractive. Overall structure is simple, and application range is wide, can adapt to the cloth of various sizes to high modularization has shortened maintenance duration greatly, has reduced cost of maintenance.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (9)
1. The pressing plate device is characterized by comprising a main plate (1), a first pressing plate (21), a second pressing plate (22), a binding pressing plate (4) and a driving assembly, wherein the first pressing plate (21) and the second pressing plate (22) are arranged on the main plate (1) at intervals along the horizontal direction and can relatively slide, the binding pressing plate (4) is arranged in an interval area between the first pressing plate (21) and the second pressing plate (22) along the horizontal direction, and the driving assembly is connected with the first pressing plate (21) and/or the second pressing plate (22) and drives the first pressing plate (21) and/or the second pressing plate (22) to slide on the main plate (1) along the horizontal direction; the edge-wrapping pressing plate (4) comprises a horizontal part (41) and a vertical part (42) which are at right angles, the horizontal part (41) and the vertical part (42) are arranged in a spacing area between the first pressing plate (21) and the second pressing plate (22) along the horizontal direction, the horizontal part (41) is located above the spacing area, and the vertical part (42) is located on the side surface of the spacing area.
2. The platen device of claim 1, wherein the lower end of the upright portion (42) is serrated.
3. The platen arrangement according to claim 1, characterized in that the edge-wrapping platen (4) is made of an elastic material.
4. The platen device according to claim 1, wherein one end of the horizontal portion (41) is fixedly provided on the first platen (21), and the other end is slidably provided on the second platen (22).
5. The platen device according to claim 4, wherein the horizontal portion (41) is provided with an elongated guide through hole (43), the second platen (22) is provided with a limit guide member, and the guide through hole (43) is slidably sleeved on the limit guide member.
6. The platen device according to claim 1, wherein the driving assembly comprises a motor (31), a gear (32) connected to an output shaft of the motor (31), and a rack (33) engaged with the gear (32), the rack (33) being provided on the first platen (21) or the second platen (22).
7. The platen device according to claim 6, wherein one rack gear (33) is provided on each of the first platen (21) and the second platen (22), and the two rack gears (33) are arranged in parallel in the horizontal direction and simultaneously cooperate with the gear (32).
8. The platen device according to claim 1, wherein the first platen (21) is mounted on a first mounting plate (51), the second platen (22) is mounted on a second mounting plate (52), the first mounting plate (51) and the second mounting plate (52) are slidably provided on the main plate (1), and the driving assembly is connected with the first mounting plate (51) and/or the second mounting plate (52).
9. A sewing machine comprising a presser device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611269653.5A CN106521818B (en) | 2016-12-30 | 2016-12-30 | Sewing machine and presser device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611269653.5A CN106521818B (en) | 2016-12-30 | 2016-12-30 | Sewing machine and presser device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106521818A CN106521818A (en) | 2017-03-22 |
| CN106521818B true CN106521818B (en) | 2022-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611269653.5A Active CN106521818B (en) | 2016-12-30 | 2016-12-30 | Sewing machine and presser device thereof |
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| CN (1) | CN106521818B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106868724A (en) * | 2017-03-30 | 2017-06-20 | 福恩达机器人（昆山）有限公司 | Adjustable feeding mechanism and sewing device |
| CN107287772B (en) * | 2017-08-11 | 2020-01-31 | 杰克缝纫机股份有限公司 | Manipulator and sewing machine with same |
| CN108486778A (en) * | 2018-06-05 | 2018-09-04 | 温州宝仁自动化科技有限公司 | Movable industrial sewing machine stowing slide |
| CN108866837B (en) * | 2018-09-13 | 2023-11-28 | 广东溢达纺织有限公司 | Sewing positioning device and automatic sewing equipment |
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| Publication number | Publication date |
|---|---|
| CN106521818A (en) | 2017-03-22 |
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Address after: 318010 No. 1008, east section of Donghai Avenue, Sanjia, Jiaojiang District, Taizhou City, Zhejiang Province Applicant after: Jack Technology Co.,Ltd. Address before: 318010 No. 15 Airport South Road, Jiaojiang District, Zhejiang, Taizhou Applicant before: JACK SEWING MACHINE Co.,Ltd. |
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