CN114197118B - Production facility of integral type bedding cloth can shirk - Google Patents
Production facility of integral type bedding cloth can shirk Download PDFInfo
- Publication number
- CN114197118B CN114197118B CN202111399601.0A CN202111399601A CN114197118B CN 114197118 B CN114197118 B CN 114197118B CN 202111399601 A CN202111399601 A CN 202111399601A CN 114197118 B CN114197118 B CN 114197118B
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- plate
- cloth
- wall
- sewing
- sliding
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/24—Feed-dog lifting and lowering devices
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B27/00—Work-feeding means
- D05B27/02—Work-feeding means with feed dogs having horizontal and vertical movements
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B35/00—Work-feeding or -handling elements not otherwise provided for
- D05B35/06—Work-feeding or -handling elements not otherwise provided for for attaching bands, ribbons, strips, or tapes or for binding
Abstract
The invention discloses production equipment for detachable integrated bedding cloth, which comprises the following steps of; s1, assembling; s2, leveling; s3, placing; s4, sewing; still related to a production facility in above-mentioned production technology in-process, including the workstation, the spout has been seted up to the workstation upper end, the spout inner wall is equipped with tooth frame mechanism, feed dog is installed to tooth frame mechanism upper end, workstation upper end fixedly connected with L template, be equipped with sewing mechanism on the L template, be equipped with adjustment mechanism in the spout. According to the invention, the conveying roller moves upwards under the supporting action of the cloth and the chain belt, so that one end of the second rod, which is far away from the transverse plate, rotates downwards, and the sliding plate moves downwards, so that the resistance of the resistance plate in a circuit is reduced, the tooth frame mechanism is driven to move downwards, the distance between the cloth feeding tooth and the upper presser foot is automatically adjusted, manual operation is not needed, the sewing machine body is not required to be stopped during adjustment, and the sewing efficiency is accelerated.
Description
Technical Field
The invention relates to the technical field of cloth production, in particular to detachable integrated bedding cloth production equipment.
Background
Present bed quilt all is direct overlaps it in the bedspread when using, but can make like this laminate inadequately between quilt and the bedspread for after using a period, the quilt can slide in the bedspread, thereby influence its use, and then at present with cloth on the quilt and bedspread through can shirking the zip fastener sewing connection together, be convenient for its use.
At present, before sewing cloth and a zipper, the height of a feed dog on a sewing machine needs to be adjusted, so that feeding and sewing between the cloth and the zipper are facilitated, but the adjustment on the height of the feed dog is manually performed at present, but the manual adjustment efficiency is low, and continuous trial needs to be performed.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides production equipment for detachable integrated bedding cloth.
In order to achieve the purpose, the invention adopts the following technical scheme:
a production device of detachable integrated bedding cloth comprises the following steps;
s1, assembling, namely attaching the cloth sewing position to a chain belt on a zipper;
s2, leveling, and placing the attached cloth and the chain belt between a workbench and a conveying roller;
s3, placing, namely placing the cloth and the chain belt which penetrate through the space between the workbench and the conveying roller between the upper end of the feed dog and the upper presser foot;
s4, sewing, namely starting the tooth frame mechanism and the sewing machine body, further sewing the cloth and the chain belt by the sewing head, and conveying the cloth and the chain belt by the cloth feeding tooth;
the production equipment comprises a workbench, a sliding groove is formed in the upper end of the workbench, a tooth frame mechanism is arranged on the inner wall of the sliding groove, a cloth feeding tooth is installed at the upper end of the tooth frame mechanism, an L-shaped plate is fixedly connected to the upper end of the workbench, a sewing mechanism is arranged on the L-shaped plate, an adjusting mechanism is arranged in the sliding groove and comprises a sliding rod which is connected to the inner wall of the sliding groove in a sliding mode, two magnetic sliders are connected to the side wall of the sliding rod in a sliding mode, a first spring is sleeved on the side wall of the sliding rod, two ends of the first spring are fixedly connected to the side wall of the two magnetic sliders respectively, two electromagnetic plates which are repellent to the two magnetic sliders are embedded in the inner wall of the sliding groove, two ends of the magnetic sliders are rotatably connected to the lower end of the tooth frame mechanism through the first rod, a groove is formed in the side wall of the L-shaped plate, a strip-shaped groove is formed in the inner wall of the groove, a sliding plate is embedded in the side wall of the strip-shaped groove and provided with a conductive plate, a resistance plate which is attached to the conductive plate is attached to the electromagnetic plate, one end of the electromagnetic plate is connected to the conductive plate through a current amplifier and an external power supply, and a coupling mechanism is arranged on the lower end of the electromagnetic plate.
Preferably, the sewing mechanism comprises a sewing machine body fixedly connected to the top of the L-shaped plate, an upper presser foot is mounted at the lower end of the sewing machine body through a support and is opposite to the feed dog, and a sewing head is mounted at the lower end of the sewing machine body.
Preferably, actuating mechanism includes the second pole, the second pole lateral wall rotates through pivot I and recess inner wall to be connected, the second pole is located the recess inside wall and rotates through third pole and slide lateral wall to be connected, L template lateral wall fixedly connected with diaphragm, diaphragm lateral wall sliding connection has the U template, U template lateral wall rotates through pivot II to be connected with the conveying roller, U template upper end and the laminating of second pole lateral wall, the second pole lateral wall passes through second spring and recess bottom elastic connection.
Preferably, the U-shaped plate lateral wall fixedly connected with two connecting plates, two the connecting plate upper end all through third spring and diaphragm lower extreme elastic connection.
Preferably, be equipped with stabilizing mean in the spout, stabilizing mean is including seting up two standing grooves at the spout inner wall, two standing groove inner wall sliding connection has two pinion racks, the pinion rack lateral wall is through a plurality of conductive spring and standing groove inner wall elastic connection, two arc walls have been seted up to dental articulator mechanism lateral wall, two the arc wall inner wall rotates through pivot III and is connected with two gears, two the gear is connected with two pinion racks meshing respectively.
Preferably, a speed sensor is installed at the top of the groove close to the sliding plate, a controller is embedded in the workbench, one end of the conductive spring is in coupling connection with the conductive plate through the speed sensor and the controller, and the other end of the conductive spring is in coupling connection with the lower end of the resistance plate through an external power supply.
The invention has the following beneficial effects:
1. through setting up adjustment mechanism and actuating mechanism, the conveying roller can move up under the supporting role of cloth and chain belt, and then the one end that the diaphragm was kept away from to the second pole can rotate downwards, the slide moves down this moment, thereby make the resistance board be arranged in the resistance of circuit and can reduce, and then drive retainer mechanism and move down, carry out automatically regulated to the distance between feed dog and the last presser foot, make can carry out perfect sewing to cloth and chain belt, need not manual operation, and need not shut down the sewing machine body when adjusting, accelerate sewing efficiency.
2. Through setting up stabilizing mean, after the position control of tooth frame mechanism, tooth on the pinion rack and the gear tooth closely laminate this moment for the gear can't remove at the pinion rack lateral wall, and then fixes the position of tooth frame mechanism, thereby guarantees the stability to tooth frame mechanism position control, increases the sewing quality to between cloth and the chain belt.
3. Under the action of the conveying roller, the cloth and the chain belt can be leveled, so that the sewing quality is improved.
Drawings
FIG. 1 is a schematic structural diagram of a detachable integrated bedding cloth production facility according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 1;
fig. 4 is an enlarged schematic view of the structure at C in fig. 1.
In the figure: 1 workbench, 2 chutes, 3 gripper mechanisms, 4 feed dogs, 5L type plates, 6 sewing machine bodies, 7 upper press feet, 8 sewing heads, 9 sliding rods, 10 magnetic sliders, 11 first springs, 12 electromagnetic plates, 13 first rods, 14 grooves, 15 strip-shaped grooves, 16 sliding plates, 17 conductive plates, 18 resistance plates, 19 second rods, 20 third rods, 21 transverse plates, 22 third springs, 23 connecting plates, 24U type plates, 25 conveying rollers, 26 arc-shaped grooves, 27 gears, 28 placing toothed plates, 29 toothed plates, 30 conductive springs, 31 speed sensors, 32 controllers and 33 second springs.
Detailed Description
Referring to fig. 1-4, a detachable integrated bedding cloth production apparatus comprises the following steps;
s1, assembling, namely attaching the cloth sewing position to a chain belt on a zipper;
s2, leveling, and placing the attached cloth and the chain belt between the workbench 1 and the conveying roller 25;
s3, placing, namely placing the cloth and the chain belt which pass through the space between the workbench 1 and the conveying roller 25 between the upper end of the feed dog 4 and the upper presser foot 7;
s4, sewing, namely starting the tooth frame mechanism 3 and the sewing machine body 6, further sewing the cloth and the chain belt by the sewing head 8, and conveying the cloth and the chain belt by the cloth feeding tooth 4;
still related to a production facility in above-mentioned production process, including workstation 1, spout 2 has been seted up to workstation 1 upper end, 2 inner walls in spout are equipped with tooth frame mechanism 3, feed dog 4 is installed to tooth frame mechanism 3 upper end, be equipped with sewing mechanism on workstation 1 upper end fixedly connected with L template 5,L template 5, it needs to explain, drive feed dog 4 through the crank link in the tooth frame mechanism 3 and move, this tooth frame mechanism 3's structure has been disclosed in patent CN201721868050.7, for prior art, do not describe here any more.
Be equipped with adjustment mechanism in spout 2, adjustment mechanism includes sliding connection at the slide bar 9 of 2 inner walls of spout, slide bar 9 lateral wall sliding connection has two magnetic slider 10, slide bar 9 lateral wall cover is equipped with first spring 11, first spring 11 both ends respectively with two magnetic slider 10 lateral walls fixed connection, 2 both sides inner walls of spout are inlayed and are equipped with two electromagnetic plates 12 with two magnetic slider 10 repulsion, two magnetic slider 10 upper ends all rotate with 3 lower extremes of dental articulator mechanism through first pole 13 and are connected.
It should be noted that, the magnetic slider 10 and the electromagnetic plate 12 are both made of neodymium iron boron magnet, which can increase the magnetism between the magnetic slider 10 and the electromagnetic plate 12, thereby better adjusting the height of the dental articulator mechanism 3.
Further, when the sliding plate 16 is located at the top, the resistance of the resistance plate 18 located in the circuit is the largest, and then the current on the electromagnetic plate 12 is small, and then the repulsive force between the resistance plate and the magnetic sliders 10 is the smallest, when the sliding plate 16 moves downwards, the resistance of the resistance plate 18 located in the circuit is reduced, and then the current on the electromagnetic plate 12 is larger, and then the repulsive force between the resistance plate and the magnetic sliders 10 is larger, and then the two magnetic sliders 10 are close to each other, so that the two first rods 13 drive the dental articulator mechanism 3 to move downwards.
Be equipped with actuating mechanism on L template 5, actuating mechanism includes second pole 19, 19 lateral walls of second pole rotate with the 14 inner walls of recess through pivot I and are connected, second pole 19 is located the 14 inside walls of recess and rotates with 16 lateral walls of slide through third pole 20 and is connected, 5 lateral walls fixedly connected with diaphragm 21 of L template, diaphragm 21 lateral wall sliding connection has U template 24, 24 lateral walls of U template rotate through pivot II and are connected with conveying roller 25, the laminating of 24 upper ends of U template and 19 lateral walls of second pole, 19 lateral walls of second pole pass through second spring 33 and recess 14 bottom elastic connection.
Further, the rotating shaft I is arranged near the transverse plate 21, when the cloth and the chain belt pass through between the conveying roller 25 and the workbench 1, the conveying roller 25 can move upwards under the supporting effect of the cloth and the chain belt, and then the U-shaped plate 24 can drive one end of the second rod 19 close to the transverse plate 21 to rotate upwards, and then one end of the second rod 19 far away from the transverse plate 21 can rotate downwards, at the moment, the second rod 19 can drive the sliding plate 16 to move downwards through the third rod 20, so that the resistance of the resistance plate 18 in the circuit can be reduced, and further the tooth frame mechanism 3 is driven to move downwards, the distance between the feed tooth 4 and the upper presser foot 7 is automatically adjusted, so that perfect sewing can be performed on the cloth and the chain belt, meanwhile, the distance between the automatic feed tooth 4 and the upper presser foot 7 is adjusted according to the thickness of the cloth and the chain belt, at the moment, the upward moving height of the U-shaped plate 24 is different, and further the rotating angle of the second rod 19 is different, and further the moving position of the sliding plate 16 is different, and further the height of the tooth frame mechanism 3 can be adjusted directly correspondingly adjusted, and further, and the sewing efficiency is not required to be accelerated when the sewing machine is adjusted, and sewing efficiency is improved.
It is worth mentioning that the conveying roller 25 can be used for leveling the cloth and the chain belt, thereby increasing the sewing quality.
Sewing mechanism includes the sewing machine body 6 of fixed connection at 5 tops of L template, and sewing machine body 6 lower extremes has last presser foot 7 through the support mounting, and it is just right with feed dog 4 to go up presser foot 7, and sewing head 8 is installed to 6 lower extremes of sewing machine body, and what need explain is, sewing machine body 6 can control sewing head 8 and reciprocate to sewing between cloth and the chain belt, for prior art, does not do not describe here any more.
Two connecting plates 23 are fixedly connected to the side walls of the U-shaped plate 24, and the upper ends of the two connecting plates 23 are elastically connected with the lower end of the transverse plate 21 through third springs 22.
Be equipped with stabilizing mean in spout 2, stabilizing mean is including seting up two standing grooves 28 at 2 inner walls of spout, two 28 inner wall sliding connection of standing groove have two pinion racks 29, pinion rack 29 lateral wall is through a plurality of conductive spring 30 and 28 inner wall elastic connection of standing groove, two arc wall 26 have been seted up to 3 lateral walls of dental articulator mechanism, two 26 inner walls of arc wall rotate through pivot III and are connected with two gears 27, two gears 27 are connected with two 29 meshing of pinion rack respectively, under initial condition, the outage extension on the conductive spring 30 this moment, and then tooth closely laminate on tooth on the pinion rack 29 and the gear 27, and then gear 27 can't rotate, fix the position of dental articulator mechanism 3.
A speed sensor 31 is installed at the top of the groove 14 close to the sliding plate 16, a controller 32 is embedded in the workbench 1, one end of a conductive spring 30 is in coupling connection with the conductive plate 17 through the speed sensor 31 and the controller 32, and the other end of the conductive spring 30 is in coupling connection with the lower end of the resistance plate 18 through an external power supply.
Further, speed sensor 31 can be electrified when sensing speed change to conductive spring 30, power off to conductive spring 30 when speed change, for prior art, and then when slide 16 slides, because slide 16 has certain speed when sliding, and then speed sensor 31 senses speed change, and then electrified shrink on conductive spring 30, make tooth plate 29 slightly mesh with tooth on gear 27, and then when tooth frame mechanism 3 moves, gear 27 can move while rolling at tooth plate 29 lateral wall this moment, when slide 16 slides to final position and stops sliding, its speed is not changing this moment, at this moment under the effect of controller 32, can delay the outage on conductive spring 30 this moment, make tooth frame mechanism 3's position can adjust completely, completely cut off power off on conductive spring 30 after a period of time, and then conductive spring 30 extends, make tooth plate 29 outwards move, make tooth on tooth plate 29 and the tooth on gear 27 closely laminate, make gear 27 can's tooth plate 29 lateral wall move, and then fix tooth frame mechanism 3's position, thereby guarantee the sewing frame mechanism's quality of increasing and sewing quality.
When the electromagnetic type chain belt conveyor is used, attached cloth and a chain belt are placed between the conveying roller 25 and the workbench 1, the conveying roller 25 moves upwards under the supporting effect of the thickness of the cloth and the chain belt, the U-shaped plate 24 is driven to move upwards, the U-shaped plate 24 drives one end, close to the transverse plate 21, of the second rod 19 to rotate upwards, one end, far away from the transverse plate 21, of the second rod 19 rotates downwards under the effect of the rotating shaft I, the second rod 19 drives the sliding plate 16 to move downwards through the third rod 20, the conductive plate 17 moves downwards at the moment, the resistance of the resistance plate 18 connected into a circuit is reduced, the current on the electromagnetic plate 12 is larger, and the repulsive force between the electromagnetic plate 12 and the magnetic sliding block 10 is larger;
when the sliding plate 16 moves downwards, because the sliding plate 16 has a certain speed when sliding, and then the speed sensor 31 senses speed change, and then the conductive spring 30 is electrified and contracted, so that the toothed plate 29 slides towards the inner wall of the placing groove 28, so that teeth on the toothed plate 29 are slightly meshed with teeth on the gear 27, and further when the repulsive force between the electromagnetic plate 12 and the magnetic sliders 10 is large, so that the two magnetic sliders 10 approach each other, at this time, the two first rods 13 drive the toothed rack mechanism 3 to move downwards, so as to drive the feed dog 4 to move downwards, the distance between the feed dog 4 and the upper presser foot 7 is adjusted, and the gear 27 can move while rolling on the side wall of the toothed plate 29, when the sliding plate 16 slides to the final position and stops sliding, at this time, under the action of the controller 32, at this time, the conductive spring 30 is powered off in a delayed manner, so that the position of the toothed rack mechanism 3 can be adjusted completely, after a period, the conductive spring 30 is powered off completely, so that the toothed plate 29 extends, so that teeth on the toothed plate 29 and the gear 27 and the upper teeth of the gear 27 are tightly attached to the sewing rack mechanism, so that the quality of the cloth can not be adjusted, and the sewing rack mechanism can be increased, and the side wall of the sewing rack mechanism can be stably adjusted;
after the distance between the feed dog 4 and the upper presser foot 7 is adjusted, the cloth and the chain belt are placed between the feed dog 4 and the upper presser foot 7 at the moment, then the tooth frame mechanism 3 and the sewing machine body 6 are started, then the sewing head 8 moves up and down to sew between the cloth and the chain belt, and meanwhile, the feed dog 4 moves to convey the cloth and the chain belt.
Claims (5)
1. Production equipment for detachable integrated bedding cloth is characterized by comprising the following steps;
s1, assembling, namely attaching the cloth sewing position to a chain belt on a zipper;
s2, leveling, namely placing the attached cloth and the chain belt between the workbench (1) and the conveying roller (25);
s3, placing, namely placing the cloth and the chain belt which penetrate through the space between the workbench (1) and the conveying roller (25) between the upper end of the feed dog (4) and the upper presser foot (7);
s4, sewing, namely starting the tooth frame mechanism (3) and the sewing machine body (6), further sewing the cloth and the chain belt by the sewing head (8), and conveying the cloth and the chain belt by the cloth feeding tooth (4);
the cloth feeding device is characterized by further comprising a workbench (1), wherein a sliding groove (2) is formed in the upper end of the workbench (1), a tooth frame mechanism (3) is arranged on the inner wall of the sliding groove (2), a cloth feeding tooth (4) is installed on the upper end of the tooth frame mechanism (3), an L-shaped plate (5) is fixedly connected to the upper end of the workbench (1), a sewing mechanism is arranged on the L-shaped plate (5), an adjusting mechanism is arranged in the sliding groove (2) and comprises a sliding rod (9) connected to the inner wall of the sliding groove (2) in a sliding mode, two magnetic sliders (10) are connected to the side wall of the sliding rod (9) in a sliding mode, a first spring (11) is sleeved on the side wall of the sliding rod (9), two ends of the first spring (11) are respectively and fixedly connected with the side walls of the two magnetic sliders (10), two electromagnetic plates (12) which repel each other than the two magnetic sliders (10) are embedded in the inner wall of the two sides of the sliding groove (2), the upper ends of the two magnetic sliders (10) are rotatably connected with the lower end of the tooth frame mechanism (3) through first rod (13), a groove (14) is formed in a strip-shaped groove (15), and a strip-shaped groove (16) is arranged on the inner wall of the sliding plate (16), a resistance plate (18) attached to the conductive plate (17) is embedded in the inner wall of the strip-shaped groove (15), one end of the electromagnetic plate (12) is coupled with the conductive plate (17) through a current amplifier and an external power supply, the other end of the electromagnetic plate (12) is coupled with the lower end of the resistance plate (18), and a driving mechanism is arranged on the L-shaped plate (5);
actuating mechanism includes second pole (19), second pole (19) lateral wall rotates through pivot I and recess (14) inner wall to be connected, second pole (19) are located recess (14) inside wall and rotate through third pole (20) and slide (16) lateral wall to be connected, L template (5) lateral wall fixedly connected with diaphragm (21), diaphragm (21) lateral wall sliding connection has U template (24), U template (24) lateral wall rotates through pivot II to be connected with conveying roller (25), U template (24) upper end and second pole (19) lateral wall laminating, second pole (19) lateral wall passes through second spring (33) and recess (14) bottom elastic connection.
2. The production equipment of the detachable integrated bedding cloth as claimed in claim 1, wherein the sewing mechanism comprises a sewing machine body (6) fixedly connected to the top of the L-shaped plate (5), an upper presser foot (7) is installed at the lower end of the sewing machine body (6) through a support, the upper presser foot (7) is opposite to the cloth feeding tooth (4), and a sewing head (8) is installed at the lower end of the sewing machine body (6).
3. The production equipment of the detachable integrated bedding cloth according to claim 1, wherein the side wall of the U-shaped plate (24) is fixedly connected with two connecting plates (23), and the upper ends of the two connecting plates (23) are elastically connected with the lower end of the transverse plate (21) through third springs (22).
4. The production equipment of one kind of detachable integral bedding cloth according to claim 1, characterized in that, a stabilizing mechanism is arranged in the sliding chute (2), the stabilizing mechanism includes two placing grooves (28) arranged on the inner wall of the sliding chute (2), two toothed plates (29) are connected to the inner wall of the two placing grooves (28) in a sliding manner, the side wall of the toothed plate (29) is elastically connected with the inner wall of the placing groove (28) through a plurality of conductive springs (30), two arc-shaped grooves (26) are arranged on the side wall of the dental frame mechanism (3), two gears (27) are connected to the inner wall of the arc-shaped grooves (26) in a rotating manner through a rotating shaft III, and the two gears (27) are respectively connected with the two toothed plates (29) in a meshing manner.
5. The production equipment of the detachable integrated bedding cloth according to claim 4, wherein a speed sensor (31) is installed at the top of the groove (14) close to the sliding plate (16), a controller (32) is embedded in the workbench (1), one end of the conductive spring (30) is coupled with the conductive plate (17) through the speed sensor (31) and the controller (32), and the other end of the conductive spring (30) is coupled with the lower end of the resistance plate (18) through an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111399601.0A CN114197118B (en) | 2021-11-19 | 2021-11-19 | Production facility of integral type bedding cloth can shirk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111399601.0A CN114197118B (en) | 2021-11-19 | 2021-11-19 | Production facility of integral type bedding cloth can shirk |
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| Publication Number | Publication Date |
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| CN114197118A CN114197118A (en) | 2022-03-18 |
| CN114197118B true CN114197118B (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205741514U (en) * | 2016-01-29 | 2016-11-30 | 湖南省晚安家纺股份有限公司 | A kind of novel flat seam machine |
| CN109594209A (en) * | 2018-12-21 | 2019-04-09 | 季华实验室 | Sewing machine with retainer height adjustment device |
| JP6526310B1 (en) * | 2018-12-25 | 2019-06-05 | 株式会社鈴木製作所 | sewing machine |
| CN210314756U (en) * | 2019-07-11 | 2020-04-14 | 普宁市邦仕达织造制衣有限公司 | Cloth feeding structure of sewing machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4236948B2 (en) * | 2003-02-07 | 2009-03-11 | ペガサスミシン製造株式会社 | Sewing machine feeder |
| JP4623142B2 (en) * | 2008-06-05 | 2011-02-02 | ブラザー工業株式会社 | sewing machine |
| CN204570190U (en) * | 2015-04-03 | 2015-08-19 | 周磊 | Sewing machines |
| CN105155142B (en) * | 2015-09-30 | 2017-12-29 | 杰克缝纫机股份有限公司 | Dual-motors Driving feed mechanism and sewing machine |
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2021
- 2021-11-19 CN CN202111399601.0A patent/CN114197118B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205741514U (en) * | 2016-01-29 | 2016-11-30 | 湖南省晚安家纺股份有限公司 | A kind of novel flat seam machine |
| CN109594209A (en) * | 2018-12-21 | 2019-04-09 | 季华实验室 | Sewing machine with retainer height adjustment device |
| JP6526310B1 (en) * | 2018-12-25 | 2019-06-05 | 株式会社鈴木製作所 | sewing machine |
| CN210314756U (en) * | 2019-07-11 | 2020-04-14 | 普宁市邦仕达织造制衣有限公司 | Cloth feeding structure of sewing machine |
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| CN114197118A (en) | 2022-03-18 |
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