CN107385687B - Elastic band looping device and full-automatic elastic band sewing machine - Google Patents
Elastic band looping device and full-automatic elastic band sewing machine Download PDFInfo
- Publication number
- CN107385687B CN107385687B CN201710644816.1A CN201710644816A CN107385687B CN 107385687 B CN107385687 B CN 107385687B CN 201710644816 A CN201710644816 A CN 201710644816A CN 107385687 B CN107385687 B CN 107385687B
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- splicing
- clamp
- elastic band
- fixture
- traction
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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
- D05B27/18—Feed cups
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B35/00—Work-feeding or -handling elements not otherwise provided for
- D05B35/02—Work-feeding or -handling elements not otherwise provided for for facilitating seaming; Hem-turning elements; Hemmers
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B37/00—Devices incorporated in sewing machines for slitting, grooving, or cutting
- D05B37/04—Cutting devices
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses an elastic band looping device and a full-automatic elastic band sewing machine, wherein the elastic band looping device comprises an active feeding device of an elastic band, a lower hem traction device and a splicing device, a vertical conveying channel is arranged in the active feeding device, the splicing device comprises a first splicing clamp and a second splicing clamp, and the lower hem traction device comprises a lower swing arm and a traction clamp; first concatenation anchor clamps and second concatenation anchor clamps are open mode and set up in the below of the initial position and the terminal position of pulling anchor clamps, pull anchor clamps and cliies the mouth that presss from both sides and the downward swing of first concatenation anchor clamps in the one end of elastic cord at the initial position, with this initiative send-in device continuously send into the elastic cord, pull anchor clamps swing and pass the mouth that presss from both sides to the terminal position of second concatenation anchor clamps, the both ends of elastic cord are cliied to first concatenation anchor clamps and second concatenation anchor clamps closure, first concatenation anchor clamps and second concatenation anchor clamps are inboard upset and are closed and close up the lopping.
Description
Technical Field
The invention relates to the field of sewing machines, in particular to an elastic band looping device and a full-automatic elastic band sewing machine.
Background
The full-automatic elastic band sewing machine is used for sewing elastic bands. The full-automatic elastic band sewing machine comprises an elastic band looping device and a sewing device. The traditional elastic band looping device comprises an elastic band feeding device, an elastic band clamping device and an elastic band turning device, wherein the elastic band turning device comprises two turning clamps. When the elastic band is looped, one end of the elastic band is clamped by the clamping head of the elastic band, the clamping head transversely outwards pulls the elastic band to fall into the clamping openings of the two overturning clamps, the clamping openings of the overturning clamps are closed and the other end of the elastic band is cut off, the two overturning clamps rotate inwards and then are closed, the elastic band is rotated to be looped, the looped elastic band is sent into the lower portion of the sewing machine head to be sewn, and the sewn elastic band is preferably formed.
The prior art has the following defects: 1. the elastic band clamping device directly pulls the elastic band, the elastic band has elasticity, elastic deformation appears in pulling, and the elastic band length after making up differs because the frictional force that the elastic band sent into the device has certain range's change at mechanical operation in-process, causes the yields to be lower. 2. Elastic cord clamping device is in the during operation first-selected one end that need cliies the elastic cord and transversely drags after, so the one end that needs the elastic cord keeps straight state, and the elastic cord can have the flagging of certain degree because of the relation of dead weight in the reality, and certain probability makes the elastic cord clamping device can't clip the one end of elastic cord, causes the idle running of machine, draws down the efficiency of making up of elastic cord.
Disclosure of Invention
The invention aims to solve the technical problem of providing an elastic band looping device and a full-automatic elastic band sewing machine which are consistent in length of elastic bands and smoother in equipment operation, and can greatly improve sewing efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows: the elastic band looping device comprises an active feeding device of the elastic band, a lower swing traction device and a splicing device, wherein a vertical conveying channel is arranged in the active feeding device, the splicing device comprises a first splicing clamp and a second splicing clamp, and the lower swing traction device comprises a lower swing arm and a traction clamp; first concatenation anchor clamps and second concatenation anchor clamps are open mode and set up in the below of the initial position and the terminal position of pulling anchor clamps, pull anchor clamps and cliies the mouth that presss from both sides and the downward swing of first concatenation anchor clamps in the one end of elastic cord at the initial position, with this initiative send-in device continuously send into the elastic cord, pull anchor clamps swing and pass the mouth that presss from both sides to the terminal position of second concatenation anchor clamps, the both ends of elastic cord are cliied to first concatenation anchor clamps and second concatenation anchor clamps closure, first concatenation anchor clamps and second concatenation anchor clamps are inboard upset and are closed and close up the lopping.
According to a further preferable scheme, the driving feeding device comprises a driving roller and a driven roller, a passing gap through which the elastic bands can pass is formed between the driving roller and the driven roller, an upper conveying groove is formed in the upper portion of the driving feeding device, a lower conveying groove is formed in the lower portion of the driving feeding device, and a vertical conveying channel is formed by the passing gap, the upper conveying groove and the lower conveying groove.
According to a further preferable scheme, a cutting device is arranged at the outlet of the vertical conveying channel, and when the traction clamp swings and penetrates through the second splicing clamp to the end point position, the cutting device cuts off the other end of the elastic band.
The invention further has the preferable scheme that the first splicing clamp and the first splicing arm are vertically connected in an L shape, the second splicing clamp and the second splicing arm are vertically connected in an L shape, and the lower swing arm and the traction clamp are vertically connected in an L shape; when the first splicing clamp is arranged below the traction clamp, the first splicing clamp is arranged in parallel; when the terminal point position, the lower swing arm swings to be a certain distance from the second splicing arm and the lower swing arm and the second splicing arm are transversely arranged in parallel, and the traction clamp swings to the upper part of the second splicing clamp and is arranged in parallel.
According to a further preferable scheme, an included angle between the first splicing fixture and the second splicing fixture is 180 degrees, and a downward swing track of the traction fixture is semicircular.
The invention further adopts the preferable scheme that a first horizontal cylinder is arranged in the first splicing arm, a second horizontal cylinder is arranged in the second splicing arm, the first splicing arm is connected with a first rotating cylinder in a shaft way, and the second splicing arm is connected with a second rotating cylinder in a shaft way; the clamping openings of the first splicing fixture and the second splicing fixture are vertical before the elastic band is clamped, the first splicing fixture and the second splicing fixture clamp the elastic band in a closed mode, and the first rotary cylinder and the second rotary cylinder rotate 90 degrees in each direction, so that the first splicing fixture and the second splicing fixture are closed and the clamping openings of the first splicing fixture and the second splicing fixture are changed from vertical to horizontal.
The invention further adopts the preferable scheme that the first rotary cylinder and the second rotary cylinder are fixed on the same movable bracket, and one end of the movable bracket is connected with a motor component; when the elastic bands are closed to form a loop, the motor component drives the movable support to move forwards, so that the elastic bands are driven to be sent into the sewing area.
According to a further preferable scheme of the invention, after the clamping openings of the first splicing clamp and the second splicing clamp are opened, the width of the inner side of the clamping opening is larger than the thickness of the closed traction clamp.
According to a further preferable scheme of the invention, the traction fixture is connected with a lower swing arm, a third horizontal cylinder is arranged in the lower swing arm, the lower swing arm is in shaft connection with a fixed support, and a third rotary cylinder for driving the traction fixture to rotate is arranged on the fixed support.
The first splicing fixture comprises two first clamping pieces which are matched with each other, each first clamping piece is provided with a first clamping surface, the second splicing fixture comprises two second clamping pieces which are matched with each other, and each second clamping piece is provided with a second clamping surface; before the first splicing fixture and the second splicing fixture are turned inwards and folded into a ring, the two first clamping surfaces and the two second clamping surfaces extend obliquely from the inner side to the outer side from top to bottom; after the first splicing fixture and the second splicing fixture are turned inwards and closed into a ring, the two first clamping surfaces and the two second clamping surfaces are inclined inwards from the outer side to the inner side from top to bottom.
The full-automatic elastic band sewing machine comprises a supporting platform and a sewing machine arranged on the supporting platform, wherein any elastic band looping device is further arranged on the supporting platform.
Compared with the prior art, the elastic band feeding device is additionally provided with the active feeding device, so that the elastic band can be fed quickly, and the situation that the elastic band is pulled cannot be caused when the elastic band is operated; the horizontal input of adjustment tradition elastic cord becomes vertical input for the tip of elastic cord can not produce the bending because of gravity, makes the tip of cliping the elastic cord that pulls the anchor clamps smoothly, and what match with it is that the adjustment tradition pulls the horizontal pulling of area and change into the swing of turning down, makes the looping that pulls the elastic cord more smooth and easy.
Drawings
FIG. 1 is a perspective view of an elastic band looping apparatus of the present invention;
FIG. 2 is a schematic view of the structure of the active feeding device of the present invention;
fig. 3 is a schematic structural diagram of a lower hem traction device and a splicing device in the invention.
FIG. 4 is a perspective view of a lower hem draft gear of the present invention;
FIG. 5 is a perspective view of a first splice clamp and a first splice arm of the present invention;
FIG. 6 is a perspective view of a second splice clamp and second splice arm of the present invention;
FIG. 7 is a perspective view of the pulling grip of the present invention in a starting position;
FIG. 8 is a perspective view of the pulling grip of the present invention in an intermediate position;
FIG. 9 is a perspective view of the pulling fixture of the present invention in the end position;
FIG. 10 is a perspective view of the first and second splicing jigs of the present invention turned inside and closed to form a loop;
FIG. 11 is a perspective view of the elastic band looping device of the present invention after pushing a distance to the sewing area;
FIG. 12 is an enlarged view at A in FIG. 11;
fig. 13 is a perspective view of the full-automatic elastic band sewing machine according to the present invention.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
As shown in fig. 1-12, the elastic band looping device 1 includes an active feeding device 2, a hem traction device 3 and a splicing device 4 of an elastic band 10, a vertical conveying channel 5 is arranged in the active feeding device 2, the splicing device 4 includes a first splicing clamp 6 and a second splicing clamp 7, and the hem traction device 3 includes a hem swing arm 8 and a traction clamp 9; first concatenation anchor clamps 6 and second concatenation anchor clamps 7 are open mode and set up in the below of the initial position and the terminal position of pulling anchor clamps 9, pull anchor clamps 9 and clip the mouth that presss from both sides of first concatenation anchor clamps 6 and swing downwards at initial position elastic cord 10's one end, with this initiative send into device 2 and continuously send into elastic cord 10, pull anchor clamps 9 swing and pass the mouth that presss from both sides to the terminal position of second concatenation anchor clamps 7, the both ends of elastic cord 10 are cliied to first concatenation anchor clamps 6 and the closure of second concatenation anchor clamps 7, first concatenation anchor clamps 6 and second concatenation anchor clamps 7 are inboard upset and close and are closed and become the circle. Preferably, the speed of the elastic band 10 fed by the active feeding device 2 is slightly greater than the speed of the traction clamp 9 rotating the lower hem, so that the traction clamp can avoid pulling the elastic band 10.
As shown in fig. 2, the active feeding device 2 includes an active roller 11 and a passive roller 12, a passing gap 13 for the elastic band 10 to pass through is provided between the active roller 11 and the passive roller 12, an upper conveying groove 14 is provided at an upper portion of the active feeding device 2, a lower conveying groove 15 is provided at a lower portion of the active feeding device 2, and the passing gap 13, the upper conveying groove 14 and the lower conveying groove 15 together form the vertical conveying passage 5. The elastic band 10 enters the clamping opening of the traction clamp 9 along the vertical conveying channel 5, and the traction device 3 is arranged at the outlet of the vertical conveying channel 5. A guide piece 16 is arranged above the driving roller 11. A cutting device 17 is arranged at the outlet of the vertical conveying channel 5, the cutting device 17 is a metal slice, when the traction clamp 9 swings and penetrates through the second splicing clamp 7 to the end point position, the cutting device 17 cuts off the other end of the elastic band 10, and the first splicing clamp 6 and the second splicing clamp 7 are closed to form a ring.
As shown in fig. 1-12, the first splicing clamp 6 and the first splicing arm 18 are vertically connected to form an L shape, the second splicing clamp 7 and the second splicing arm 19 are vertically connected to form an L shape, and the lower swing arm 8 and the traction clamp 9 are vertically connected to form an L shape; when the device is at the initial position, the first splicing arm 18 and the lower swing arm 8 are arranged in parallel in a transverse direction at a certain interval, and the first splicing clamp 6 is arranged below the traction clamp 9 and is arranged in parallel; at the end position, the lower swing arm 8 swings to be at a certain distance from the second splicing arm 19 and the lower swing arm and the second splicing arm are arranged in parallel in the transverse direction, and the traction clamp 9 swings to be above the second splicing clamp 7 and is arranged in parallel. The three L-shaped parts do not influence each other when rotating. The included angle between the first splicing clamp 6 and the second splicing clamp 7 is 180 degrees, and the downward swing track of the traction clamp 9 is semicircular. A first horizontal cylinder 20 is arranged in the first splicing arm 18, a second horizontal cylinder 21 is arranged in the second splicing arm 19, the first splicing arm 18 is connected with a first rotary cylinder 22 in a shaft mode, and the second splicing arm 19 is connected with a second rotary cylinder 23 in a shaft mode; the clamping openings of the first splicing clamp 6 and the second splicing clamp 7 are vertical before clamping the elastic band 10, and after the first splicing clamp 6 and the second splicing clamp 7 clamp the elastic band 10 in a closed manner, the first rotating cylinder 22 and the second rotating cylinder 23 rotate 90 degrees in each direction, so that the first splicing clamp 6 and the second splicing clamp 7 are closed and the clamping openings of the first splicing clamp 6 and the second splicing clamp 7 are changed from vertical to horizontal. The horizontal cylinder is responsible for clamping the elastic band 10, and the rotary cylinder is responsible for driving the two ends of the elastic band 10 to move. The outlet of the vertical conveying channel 5 is vertical downward, so the clamping opening of the first splicing fixture 6 at the lower end is vertical, after the first splicing fixture is rotated for 90 degrees, the vertical direction is changed into the horizontal direction, the clamping openings of the two horizontal first splicing fixtures 6 and the second splicing fixture 7 are mutually closed, and the two ends of the telescopic belt 10 in the clamping opening are closed for sewing. The traction clamp 9 is connected with a lower swing arm 8, a third horizontal cylinder 26 is arranged in the lower swing arm 8, the lower swing arm 8 is connected to a fixed support 27 in a shaft mode, and a third rotary cylinder 28 used for driving the traction clamp to rotate is arranged on the fixed support 27. The third rotary cylinder 28 drives the lower swing arm 8 to rotate the traction clamp 9 to slide in an arc shape. The front end of the fixing bracket 27 is arc-shaped. The first rotary cylinder 22 and the second rotary cylinder 23 are fixed on the same movable bracket 24, and one end of the movable bracket 24 is connected with a motor assembly 25; when the elastic band 10 is closed to form a loop, the motor assembly 25 drives the moving bracket 24 to move forward, thereby driving the elastic band 10 to enter the sewing area.
As shown in fig. 3, after the jaws of the first splicing jig 6 and the second splicing jig 7 are opened, the width of the inner side of the jaws is larger than the thickness of the closed pulling jig 9. After the first splicing clamp 6 and the second splicing clamp 7 open the clamping opening, the traction clamp 9 can pass through the clamping opening of the first splicing clamp and the second splicing clamp up and down.
As shown in fig. 11 and 12, the first splicing jig 6 includes two first engaging members 61, each first engaging member 61 has a first engaging surface 62, and the second splicing jig 7 includes two second engaging members 71, each second engaging member 71 has a second engaging surface 72; further, before the first splicing fixture 6 and the second splicing fixture 7 are turned inwards and folded into a ring, the two first clamping surfaces 62 and the two second clamping surfaces 72 extend obliquely from the inside to the outside from top to bottom; after the first splicing fixture 6 and the second splicing fixture 7 are turned inwards by about 90 degrees and are closed to form a ring, the two first clamping surfaces 62 and the two second clamping surfaces 72 extend from top to bottom in an inclined manner from the outside to the inside, so that the elastic bands clamped by the first splicing fixture 6 and the second splicing fixture 7 face the sewing table surface 29 and are tightly attached to each other, and a better sewing effect is achieved. Above the sewing platform 29 is a sewing area.
As shown in fig. 13, the full-automatic elastic band sewing machine includes a supporting platform 30 and a sewing machine 31 disposed on the supporting platform 30, and any one of the elastic band looping devices is further disposed on the supporting platform 30. A sewing platform 29 is mounted on the support platform.
The present invention has been described in detail with reference to the elastic band looping apparatus and the full automatic elastic band sewing machine, and the principles and embodiments of the present invention are explained herein using specific examples, which are provided only to assist the present invention and the core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (7)
1. The elastic band looping device comprises an active feeding device of the elastic band, a lower hem traction device and a splicing device, and is characterized in that a vertical conveying channel is arranged in the active feeding device, the splicing device comprises a first splicing clamp and a second splicing clamp, and the lower hem traction device comprises a lower swing arm and a traction clamp; the first splicing clamp and the second splicing clamp are in an open state and are arranged below the initial position and the final position of the traction clamp, one end of the elastic band clamped by the traction clamp at the initial position passes through the clamping opening of the first splicing clamp and swings downwards, the elastic band is continuously fed into the active feeding device at the same time, the traction clamp swings and passes through the clamping opening of the second splicing clamp to the final position, the first splicing clamp and the second splicing clamp close to clamp two ends of the elastic band, and the first splicing clamp and the second splicing clamp turn inwards and are closed to form a ring; the active feeding device comprises an active roller and a passive roller, a passing gap through which the elastic band can pass is formed between the active roller and the passive roller, an upper conveying groove is formed in the upper part of the active feeding device, a lower conveying groove is formed in the lower part of the active feeding device, and a vertical conveying channel is formed by the gap, the upper conveying groove and the lower conveying groove; the first splicing fixture comprises two first clamping pieces which are matched with each other, each first clamping piece is provided with a first clamping surface, the second splicing fixture comprises two second clamping pieces which are matched with each other, and each second clamping piece is provided with a second clamping surface; before the first splicing fixture and the second splicing fixture are turned inwards and folded into a ring, the two first clamping surfaces and the two second clamping surfaces extend obliquely from the inner side to the outer side from top to bottom; after the first splicing fixture and the second splicing fixture are turned inwards and closed into a ring, the two first clamping surfaces and the two second clamping surfaces extend inwards in an inclined mode from the outer side to the inner side from top to bottom; and a cutting device is arranged at an outlet of the vertical conveying channel, and when the traction clamp swings and passes through the second splicing clamp to the end point position, the cutting device cuts off the other end of the elastic band.
2. The elastic band looping device according to claim 1, wherein the first splicing clamp and the first splicing arm are vertically connected to form an L shape, the second splicing clamp and the second splicing arm are vertically connected to form an L shape, and the lower swing arm and the traction clamp are vertically connected to form an L shape; when the tractor is at the initial position, the first splicing arm and the lower swing arm are arranged in parallel transversely at a certain interval, and the first splicing clamp is arranged below the traction clamp and is arranged in parallel; when the terminal point position, the lower swing arm swings to be a certain distance from the second splicing arm and the lower swing arm and the second splicing arm are transversely arranged in parallel, and the traction clamp swings to the upper part of the second splicing clamp and is arranged in parallel.
3. The elastic band looping device according to claim 2, wherein an included angle between the first splicing clamp and the second splicing clamp is 180 degrees, and a downswing trajectory of the traction clamp is semicircular.
4. The elastic band looping device according to claim 2, wherein a first horizontal cylinder is arranged in said first splicing arm, a second horizontal cylinder is arranged in said second splicing arm, said first splicing arm is pivotally connected to a first rotary cylinder, and said second splicing arm is pivotally connected to a second rotary cylinder; the clamping openings of the first splicing fixture and the second splicing fixture are vertical before the elastic band is clamped, the first splicing fixture and the second splicing fixture clamp the elastic band in a closed mode, and the first rotary cylinder and the second rotary cylinder rotate 90 degrees in each direction, so that the first splicing fixture and the second splicing fixture are closed and the clamping openings of the first splicing fixture and the second splicing fixture are changed from vertical to horizontal.
5. The elastic band looping device according to claim 4, wherein said first rotating cylinder and said second rotating cylinder are fixed on the same movable support, one end of the movable support is connected with a motor assembly; after the elastic bands are closed into a ring, the motor assembly drives the movable support to move forwards, so that the movable elastic bands are driven to be sent into a sewing area, a third horizontal cylinder is arranged in the lower swing arm, the lower swing arm is connected to the fixed support in a shaft mode, and a third rotary cylinder used for driving the traction fixture to rotate is arranged on the fixed support.
6. The elastic band looping device according to claim 1, wherein after the opening of said first splicing jig and said second splicing jig is opened, the width of the inner side of the opening is larger than the thickness of the pulling jig after it is closed.
7. Full-automatic elastic band sewing machine, including supporting platform and setting up and having sewing machine on the supporting platform, characterized by that still sets up any elastic band looping device as in claim 1-6 on the supporting platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710644816.1A CN107385687B (en) | 2017-08-01 | 2017-08-01 | Elastic band looping device and full-automatic elastic band sewing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710644816.1A CN107385687B (en) | 2017-08-01 | 2017-08-01 | Elastic band looping device and full-automatic elastic band sewing machine |
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| CN107385687A CN107385687A (en) | 2017-11-24 |
| CN107385687B true CN107385687B (en) | 2023-02-28 |
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| CN201710644816.1A Active CN107385687B (en) | 2017-08-01 | 2017-08-01 | Elastic band looping device and full-automatic elastic band sewing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108688888A (en) * | 2018-05-16 | 2018-10-23 | 佛山市团凌塑料机械有限公司 | Packaging bag strapper |
| CN109137278B (en) * | 2018-08-16 | 2020-07-17 | 宋任菊 | Belt loop making devices with automatically, tailor and sew up function |
| CN110670253B (en) * | 2019-09-20 | 2024-06-18 | 泉州誉财自动化设备有限责任公司 | Automatic elastic band seam sewing machine |
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| CN103015056A (en) * | 2011-09-27 | 2013-04-03 | 上海贵衣缝纫设备有限公司 | Full-automatic elastic band seamer |
| CN103352333A (en) * | 2013-07-02 | 2013-10-16 | 宁波舒普机电科技有限公司 | Coil stock looping device of elastic sewing machine |
| CN103352330A (en) * | 2013-07-02 | 2013-10-16 | 宁波舒普机电科技有限公司 | Elastic ribbon machine |
| CN203360787U (en) * | 2013-07-02 | 2013-12-25 | 宁波舒普机电科技有限公司 | Rubber string machine |
| CN104611844A (en) * | 2015-02-15 | 2015-05-13 | 广东溢达纺织有限公司 | Annular-opening lapped sewing device for fabric bands |
| CN105568568A (en) * | 2016-03-10 | 2016-05-11 | 台州朗进缝纫机电有限公司 | Automatic elastic sewing machine |
| CN207109263U (en) * | 2017-08-01 | 2018-03-16 | 宁波海佳缝纫机有限公司 | Elastic band looping device and full-automatic elastic band sewing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5152235A (en) * | 1990-07-26 | 1992-10-06 | Pegasus Sewing Machine Mfg. Co., Ltd. | Sewing apparatus for manufacturing a tubular piece |
| CN201351221Y (en) * | 2008-10-24 | 2009-11-25 | 吴国溶 | Improved structure of elastic braid split-joint sewing machine |
| CN101947863A (en) * | 2010-07-23 | 2011-01-19 | 宁波舒普机电科技有限公司 | Elastic band coiling device |
| CN103015056A (en) * | 2011-09-27 | 2013-04-03 | 上海贵衣缝纫设备有限公司 | Full-automatic elastic band seamer |
| CN103352333A (en) * | 2013-07-02 | 2013-10-16 | 宁波舒普机电科技有限公司 | Coil stock looping device of elastic sewing machine |
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| CN104611844A (en) * | 2015-02-15 | 2015-05-13 | 广东溢达纺织有限公司 | Annular-opening lapped sewing device for fabric bands |
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