CN108385289B - Cambered surface feeding mechanism for sewing machine - Google Patents
Cambered surface feeding mechanism for sewing machine Download PDFInfo
- Publication number
- CN108385289B CN108385289B CN201810421950.XA CN201810421950A CN108385289B CN 108385289 B CN108385289 B CN 108385289B CN 201810421950 A CN201810421950 A CN 201810421950A CN 108385289 B CN108385289 B CN 108385289B
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- China
- Prior art keywords
- sewing
- arc
- support arm
- feeding
- mounting seat
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/10—Work-feeding means with rotary circular feed members
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention discloses a cambered surface feeding mechanism for a sewing machine, which comprises a feeding base, wherein a mounting seat capable of rotating relative to the feeding base and a rotary feeding motor for driving the mounting seat to rotate are arranged on the feeding base; the two sides of the mounting seat are respectively provided with a supporting arm, and the upper part of the supporting arm is provided with a sewing material clamping device for fixing sewing materials; the rotary feeding motor drives the sewing materials fixed by the sewing material clamping device to move and feed materials in an arc shape in a sewing area below a sewing machine needle.
Description
Technical Field
The invention relates to a sewing machine, in particular to a cambered surface feeding mechanism for the sewing machine.
Background
The feeding structure of the pattern sewing machine generally comprises an upper pressing plate and a lower pressing plate for pressing cloth and a lifting pressing arm for controlling the upper pressing plate to press the cloth, and a feeding transmission mechanism for driving the cloth to move in the X coordinate direction and the Y coordinate direction of the workbench surface is arranged in the sewing machine seat. When the machine head is in operation, cloth is pressed between the upper pressing plate and the lower pressing plate, and then the lifting pressing arm is driven to move in the front-back direction of the machine head, namely the coordinate Y direction, or in the transverse direction, namely the coordinate X direction, so that the cloth between the upper pressing plate and the lower pressing plate is positioned under a machine needle according to the design requirement of patterns, and pattern patterns are sewn.
The existing sewing machine can only sew the plane fabric placed on the horizontal table top, and the XY feeding mechanism sends the sewing position to the sewing area between the needle and the bottom shuttle. The XY feeding mechanism can feed and feed the fabric in the XY coordinate direction of the working plane according to the stitch, so that the sewing operation is completed according to the set stitch. However, when a pattern is sewn to a portion of a side wall of a three-dimensional fabric having a certain angle, for example, a sleeve, a sock, a shirt collar, etc., the other surface of the three-dimensional fabric is disturbed, and thus the three-dimensional fabric cannot be placed on an existing sewing table to perform sewing operation.
Disclosure of Invention
The invention aims to solve the technical problem of providing the cambered surface feeding mechanism for the sewing machine aiming at the current state of the art, and can realize automatic feeding of the sewing material along the cambered track in the sewing area.
The technical scheme adopted for solving the technical problems is as follows: a cambered surface feeding mechanism for a sewing machine comprises a feeding base, wherein a mounting seat capable of rotating relative to the feeding base and a rotary feeding motor for driving the mounting seat to rotate are arranged on the feeding base; the two sides of the mounting seat are respectively provided with a supporting arm, and the upper part of the supporting arm is provided with a sewing material clamping device for fixing sewing materials; the rotary feeding motor drives the sewing materials fixed by the sewing material clamping device to move and feed materials in an arc shape in a sewing area below a sewing machine needle.
In order to optimize the technical scheme, the invention further comprises the following improved technical scheme.
The rotary feeding motor receives a driving signal of a feeding control module in a sewing machine control system and drives the sewing material on the supporting arm to displace by taking a stitch length as a unit.
The feeding base is provided with a first mounting plate which is vertically arranged; the mount pad is installed in the front side of first mounting panel through rotatory center pin, and rotatory pay-off motor is fixed in the back of first mounting panel.
The first mounting plate is provided with a first transmission gear connected with the rotary central shaft, and a power output shaft of the rotary feeding motor is connected with a driving gear meshed with the first transmission gear.
The rotary central shaft is connected with an induction piece for detecting the rotary original position of the mounting seat, and the induction piece is coupled with an inductor on the feeding base.
The mounting seat is provided with a bottom plate connected with the rotating central shaft, a left side supporting plate and a right side supporting plate which are fixed on the bottom plate; the upper parts of the left side supporting plate and the right side supporting plate are respectively provided with a shaft sleeve connected with the supporting arm, and the shaft sleeve is provided with a first fastener for fixing the working position of the supporting arm.
The support arm is provided with a first arc-shaped support arm which is rotationally connected with the mounting seat and a second arc-shaped support arm which is provided with a stitching clamping device; the upper end of the first arc-shaped support arm is connected with the lower end of the second arc-shaped support arm through a second fastener capable of adjusting the connection angle.
The sewing material clamping device comprises a first air cylinder arranged on the second arc-shaped support arm and a locking block used for locking the material clamping template, wherein the first air cylinder drives a locking part of the locking block to do opening and closing movement.
The sewing material clamping device comprises a second air cylinder arranged on the second arc-shaped support arm and a pressing block used for providing downward pressure for sewing materials, and the second air cylinder drives the pressing block to perform upward and downward pressing movement.
Compared with the prior art, the cambered surface feeding mechanism provided by the invention has the advantages that the seam material takes the rotation center of the mounting seat as the axis, so that the full-automatic feeding along the cambered track is realized. The rotating motor drives the clamping template to feed and rotate around the rotation center of the mounting seat according to the sewing coordinate instruction, and the sewing material on the supporting arm is driven to carry out displacement feeding by taking one stitch length as a unit, so that the feeding efficiency is improved.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a top view of fig. 2.
Detailed Description
Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Fig. 1 to 3 are schematic structural views of the present invention.
Wherein the reference numerals are as follows: the feeding base 2, the first mounting plate 2a, the mounting base 3, the bottom plate 3a, the left side support plate 3b, the right side support plate 3c, the shaft sleeve 3d, the first fastening member 3e, the rotation center shaft 30, the rotation feeding motor 31, the gear transmission mechanism 32, the sensing piece 33, the sensor 34, the first arc support arm 41, the second arc support arm 42, the slide rod 51, the slide seat 52, the first link 53, the second link 54, the adjusting plate 55, the first cylinder 61, the locking block 62, the first support link 63, the second cylinder 65, the pressing block 66, and the second support link 67.
The cambered surface feeding mechanism for the sewing machine comprises a feeding base 2, wherein a mounting seat 3 capable of rotating relative to the feeding base 2 and a rotary feeding motor 31 for driving the mounting seat 3 to rotate are arranged on the feeding base 2. The two sides of the mounting seat 3 are respectively provided with a supporting arm, and the upper part of the supporting arm is provided with a sewing material clamping device for fixing sewing materials. The rotary feeding motor 31 drives the sewing materials fixed by the sewing material clamping device to move and feed along an arc track in a sewing area below a sewing machine needle.
The feeding base 2 has a vertical first mounting plate 2a, and a rotary feeding motor 31 is fixed to the back side of the first mounting plate 2 a. The mount 3 is mounted on the front side of the first mounting plate 2a through a rotation center shaft 30.
The rotation center shaft 30 is connected to a rotation feeding motor 31 through a gear transmission mechanism 32. The rotary feeding motor 31 can be a stepping motor or a servo motor, and under the control of the sewing control system, the rotary feeding motor 31 drives the mounting seat 3 and the sewing clamping device to rotate around the rotary central shaft 30 together, so that arc track feeding in a polar coordinate system with the rotary central shaft 30 as the center is realized.
The gear transmission mechanism 32 includes a first transmission gear connected to the rotation center shaft 30, and a driving gear meshed with the first transmission gear is connected to a power output shaft of the rotation feeding motor 31. A speed reducer can be further connected between the rotary feeding motor 31 and the gear transmission mechanism 32.
The rotary feeding motor 31 receives a driving signal of a feeding control module in a sewing machine control system and drives the sewing material on the supporting arm to carry out displacement feeding by taking a stitch length as a unit.
The rotating central shaft 30 is connected with an induction piece 33 for detecting the rotating original position of the mounting seat 3, the induction piece 33 is coupled with an inductor 34 on the feeding base 2, and the sewing control system can judge whether the mounting seat 3 returns to the original position according to the detection signal of the inductor 34.
The mount 3 has a bottom plate 3a connected to the rotation center shaft 30, a left side support plate 3b and a right side support plate 3c fixed to the bottom plate 3 a. The upper parts of the left side supporting plate 3b and the right side supporting plate 3c are respectively provided with a shaft sleeve 3d connected with the supporting arm, and the shaft sleeve 3d is provided with a first fastener 3e for fixing the working position of the supporting arm. In this embodiment, the first fastening member 3e is a screw, and the rotation angle of the first arc-shaped supporting arm 41 can be quickly adjusted by unscrewing the screw, so as to adapt to the clamping templates with different radians.
The support arm is provided with a first arc-shaped support arm 41 which is rotatably connected with the mounting seat 3, and a second arc-shaped support arm 42 which is provided with a sewing material clamping device, wherein the upper end of the first arc-shaped support arm 41 and the lower end of the second arc-shaped support arm 42 pass through a second fastener which can adjust the connection angle. After the second fastener is loosened, the connection angle of the first arc-shaped support arm 41 and the second arc-shaped support arm 42 can be adjusted to adapt to three-dimensional fabrics with different radians.
The stitching clamping device comprises a first air cylinder 61 and a locking block 62, wherein the first air cylinder 61 is arranged on the second arc-shaped support arm 42, the locking block 62 is used for locking the stitching template, and the first air cylinder 61 drives a locking part of the locking block 62 to conduct opening and closing movement.
The middle part of the locking block 62 is movably connected with the second arc-shaped support arm 42 through a first support connecting rod 63, one end of the locking block 62 is provided with a locking part matched with the clamping template, and the other end of the locking block 62 is movably connected with a driving rod of the first cylinder 61.
The sewing material clamping device further comprises a second air cylinder 65 arranged on the second arc-shaped support arm 42 and a pressing block 66 for providing downward pressure for sewing materials, and the second air cylinder 65 drives the pressing block 66 to perform upward and downward pressing movement.
The middle part of the pressing block 66 is movably connected with the second arc-shaped support arm 42 through a second support connecting rod 67, the pressing block 66 is provided with a pressing part matched with the clamping template, and the upper part of the pressing block 66 is movably connected with a driving rod of the second air cylinder 65.
A linkage mechanism for controlling the synchronous adjustment and rotation of the left first arc-shaped support arm 41 and the right first arc-shaped support arm 41 is arranged between the left support plate 3b and the right support plate 3c. Because the first arc-shaped support arm 41 on the left side and the first arc-shaped support arm 41 on the right side are symmetrically arranged, when the first arc-shaped support arm 41 on the left side is adjusted by a certain angle, the first arc-shaped support arm 41 on the right side also needs to be adjusted by the same angle. Through the link gear between the first arc support arm 41 of left and right sides, after the first arc support arm 41 of one side is adjusted, the first arc support arm 41 of opposite side also can simultaneously automatically regulated to improve debugging efficiency greatly.
The linkage mechanism comprises an adjusting plate 55 arranged between the left supporting plate 3b and the right supporting plate 3c, a sliding rod 51 is fixed on the adjusting plate 55, a sliding seat 52 capable of axially sliding is arranged on the sliding rod 51, and the sliding seat 52 is connected with the first arc-shaped supporting arm 41 on the left side through a first connecting rod 53 which horizontally rotates and is connected with the first arc-shaped supporting arm 41 on the right side through a second connecting rod 54 which horizontally rotates.
To increase the flexibility of the linkage, the slide bar 51 may be slidably disposed on the adjustment plate 55. The sliding rod 51 and the adjusting plate 55 can be guided by a guide rail or a sleeve.
The preferred embodiments of this invention have been described so far that various changes or modifications may be made by one of ordinary skill in the art without departing from the scope of this invention.
Claims (4)
1. A cambered surface feeding mechanism for sewing machine, includes feeding base (2), characterized by: a mounting seat (3) capable of rotating relative to the feeding base (2) and a rotary feeding motor (31) for driving the mounting seat (3) to rotate are arranged on the feeding base (2); the two sides of the mounting seat (3) are respectively provided with a supporting arm, and the upper part of the supporting arm is provided with a sewing material clamping device for fixing sewing materials; the rotary feeding motor (31) drives the sewing materials fixed by the sewing material clamping device to move and feed in an arc shape in a sewing area below a sewing machine needle; the feeding base (2) is provided with a first mounting plate (2 a) which is vertically arranged; the mounting seat (3) is mounted on the front side of the first mounting plate (2 a) through a rotary central shaft (30), and the rotary feeding motor (31) is fixed on the back side of the first mounting plate (2 a); the mounting seat (3) is provided with a bottom plate (3 a) connected with the rotating central shaft (30), a left side supporting plate (3 b) and a right side supporting plate (3 c) which are fixed on the bottom plate (3 a); the upper parts of the left support plate (3 b) and the right support plate (3 c) are respectively provided with a shaft sleeve (3 d) connected with the support arm, and the shaft sleeve (3 d) is provided with a first fastener (3 e) for fixing the working position of the support arm; the support arm is provided with a first arc-shaped support arm (41) which is rotationally connected with the mounting seat (3) and a second arc-shaped support arm (42) which is provided with the sewing material clamping device; the upper end of the first arc-shaped support arm (41) is connected with the lower end of the second arc-shaped support arm (42) through a second fastener capable of adjusting the connection angle; the sewing material clamping device comprises a first air cylinder (61) arranged on the second arc-shaped support arm (42) and a locking block (62) for locking the material clamping template, wherein the first air cylinder (61) drives a locking part of the locking block (62) to do opening and closing movement; the stitching material clamping device comprises a second air cylinder (65) arranged on the second arc-shaped support arm (42) and a material pressing block (66) for providing lower pressure for stitching materials, and the second air cylinder (65) drives the material pressing block (66) to do up-down material pressing movement.
2. The arc surface feeding mechanism according to claim 1, wherein: the rotary feeding motor (31) receives a driving signal of a feeding control module in a sewing machine control system and drives the sewing material on the supporting arm to displace by taking a stitch length as a unit.
3. The arc surface feeding mechanism according to claim 1, wherein: the first mounting plate (2 a) is provided with a first transmission gear connected with the rotary central shaft (30), and a power output shaft of the rotary feeding motor (31) is connected with a driving gear meshed with the first transmission gear.
4. A cambered surface feeding mechanism according to claim 3, characterized in that: the rotary central shaft (30) is connected with an induction piece (33) for detecting the rotary home position of the mounting seat (3), and the induction piece (33) is coupled with an inductor (34) on the feeding base (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421950.XA CN108385289B (en) | 2018-05-04 | 2018-05-04 | Cambered surface feeding mechanism for sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810421950.XA CN108385289B (en) | 2018-05-04 | 2018-05-04 | Cambered surface feeding mechanism for sewing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108385289A CN108385289A (en) | 2018-08-10 |
| CN108385289B true CN108385289B (en) | 2023-09-05 |
Family
ID=63070353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810421950.XA Active CN108385289B (en) | 2018-05-04 | 2018-05-04 | Cambered surface feeding mechanism for sewing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108385289B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06142359A (en) * | 1992-11-04 | 1994-05-24 | Brother Ind Ltd | Curved fabric stretching frame driving device for sewing machine |
| JPH1025653A (en) * | 1996-07-09 | 1998-01-27 | Barudan Co Ltd | Fabric-spreading device of sewing machine |
| US6374760B1 (en) * | 2001-03-12 | 2002-04-23 | Moore, Iii E. Frank | Cap frame drive assembly and method |
| JP2003135874A (en) * | 2001-11-05 | 2003-05-13 | Tom Miyano Toshiharu | Embroidering device, and device and method for producing pattern |
| US6782836B1 (en) * | 2003-07-15 | 2004-08-31 | Allan Hales | Embroidery machine with a cap bill support device |
| WO2006090585A1 (en) * | 2005-02-23 | 2006-08-31 | Tokai Kogyo Mishin Kabushiki Kaisha | Embroidery frame for cylindrical fabric to be embroidered such as headwear |
| CN203498617U (en) * | 2013-09-23 | 2014-03-26 | 苏州智立织锦文化科技股份有限公司 | Hard shoulder mark sewing device |
| CN104593952A (en) * | 2014-12-09 | 2015-05-06 | 吴江市宏宇机械有限公司 | Three-dimensional feeding sewing machine |
| CN105113137A (en) * | 2015-09-11 | 2015-12-02 | 广东溢达纺织有限公司 | Three-dimensional machine sewing system |
| CN206902385U (en) * | 2017-05-23 | 2018-01-19 | 深圳市德业智能股份有限公司 | A kind of automatic the brim of a hat sewing machine |
| CN208533065U (en) * | 2018-05-04 | 2019-02-22 | 宁波舒普机电股份有限公司 | A kind of cambered surface feeding mechanism for sewing machine |
-
2018
- 2018-05-04 CN CN201810421950.XA patent/CN108385289B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06142359A (en) * | 1992-11-04 | 1994-05-24 | Brother Ind Ltd | Curved fabric stretching frame driving device for sewing machine |
| JPH1025653A (en) * | 1996-07-09 | 1998-01-27 | Barudan Co Ltd | Fabric-spreading device of sewing machine |
| US6374760B1 (en) * | 2001-03-12 | 2002-04-23 | Moore, Iii E. Frank | Cap frame drive assembly and method |
| JP2003135874A (en) * | 2001-11-05 | 2003-05-13 | Tom Miyano Toshiharu | Embroidering device, and device and method for producing pattern |
| US6782836B1 (en) * | 2003-07-15 | 2004-08-31 | Allan Hales | Embroidery machine with a cap bill support device |
| WO2006090585A1 (en) * | 2005-02-23 | 2006-08-31 | Tokai Kogyo Mishin Kabushiki Kaisha | Embroidery frame for cylindrical fabric to be embroidered such as headwear |
| CN203498617U (en) * | 2013-09-23 | 2014-03-26 | 苏州智立织锦文化科技股份有限公司 | Hard shoulder mark sewing device |
| CN104593952A (en) * | 2014-12-09 | 2015-05-06 | 吴江市宏宇机械有限公司 | Three-dimensional feeding sewing machine |
| CN105113137A (en) * | 2015-09-11 | 2015-12-02 | 广东溢达纺织有限公司 | Three-dimensional machine sewing system |
| CN206902385U (en) * | 2017-05-23 | 2018-01-19 | 深圳市德业智能股份有限公司 | A kind of automatic the brim of a hat sewing machine |
| CN208533065U (en) * | 2018-05-04 | 2019-02-22 | 宁波舒普机电股份有限公司 | A kind of cambered surface feeding mechanism for sewing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108385289A (en) | 2018-08-10 |
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Address after: No.219, Jingu North Road, Yinzhou District, Ningbo City, Zhejiang Province, 315100 Applicant after: Shupu Intelligent Technology Co.,Ltd. Address before: No.219, Jingu North Road, Yinzhou District, Ningbo City, Zhejiang Province, 315100 Applicant before: NINGBO SUPREME ELECTRONIC MACHINERY Inc. |
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