CN112064211B - Cloth pressing device on sewing machine and operation method thereof - Google Patents
Cloth pressing device on sewing machine and operation method thereof Download PDFInfo
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- CN112064211B CN112064211B CN202010972196.6A CN202010972196A CN112064211B CN 112064211 B CN112064211 B CN 112064211B CN 202010972196 A CN202010972196 A CN 202010972196A CN 112064211 B CN112064211 B CN 112064211B
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- textile
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- 238000009958 sewing Methods 0.000 title claims abstract description 66
- 239000004744 fabric Substances 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000004753 textile Substances 0.000 claims abstract description 72
- 238000010409 ironing Methods 0.000 claims abstract description 32
- 230000017525 heat dissipation Effects 0.000 claims description 21
- 239000008236 heating water Substances 0.000 claims description 16
- 239000008399 tap water Substances 0.000 claims description 8
- 235000020679 tap water Nutrition 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002955 isolation Methods 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 6
- 229910052742 iron Inorganic materials 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 244000025254 Cannabis sativa Species 0.000 description 1
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 1
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000009120 camo Nutrition 0.000 description 1
- 235000005607 chanvre indien Nutrition 0.000 description 1
- 239000011487 hemp Substances 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
Classifications
-
- 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
- D05B27/06—Work-feeding means with feed dogs having horizontal and vertical movements arranged above and below the workpieces
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B35/00—Work-feeding or -handling elements not otherwise provided for
-
- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05B—SEWING
- D05B81/00—Sewing machines incorporating devices serving purposes other than sewing, e.g. for blowing air, for grinding
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C15/00—Calendering, pressing, ironing, glossing or glazing textile fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C7/00—Heating or cooling textile fabrics
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a cloth pressing device on a sewing machine and an operation method thereof, belonging to the field of textile equipment. A cloth pressing device on a sewing machine and an operation method thereof comprise the sewing machine, wherein a needle rod and a pressure rod are arranged at the lower end of the sewing machine, a needle and a presser foot are respectively arranged at the lower ends of the needle rod and the pressure rod, a device plate is fixedly connected to the left side wall of the presser foot, two mounting grooves are arranged at the lower end of the device plate, two symmetrical power-assisted rollers are rotatably connected to the two mounting grooves through a rotating shaft, two pairs of rollers are connected with the needle rod through a driving mechanism, and an ironing device is arranged between the two pairs of rollers; the invention can automatically advance the textile during sewing work, so that an operator can use the textile more easily and more easily, and can iron the surface of the textile smoothly, so that the textile is more beautiful.
Description
Technical Field
The invention relates to the technical field of textile equipment, in particular to a cloth pressing device on a sewing machine and an operation method thereof.
Background
A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The sewing machine can sew fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, and the use is simple and convenient. And derives the artistic forms of hand-push embroidery, computer embroidery, etc.
The presser foot on the sewing machine is used for carrying out the device fixed to the fabrics, and the structure and the function of presser foot are all fairly simple at present, and operating personnel is when using the presser foot, when need will adjust the direction of fabrics, still need feed at the uniform velocity to the fabrics, and after long-time work, the condition of aching pain appears easily in the arm to fabrics need use the flatiron to iron the piece to sewing position and level a bit after sewing.
Disclosure of Invention
The invention aims to solve the problem that a cloth pressing device on a sewing machine in the prior art is simple in structure and single in function, and provides the cloth pressing device on the sewing machine and an operation method thereof.
In order to achieve the purpose, the invention adopts the following technical scheme:
the cloth pressing device on the sewing machine comprises the sewing machine, a needle rod and a pressing rod are arranged at the lower end of the sewing machine, a needle and a pressing foot are respectively arranged at the lower ends of the needle rod and the pressing rod, a device plate is fixedly connected to the left side wall of the pressing foot, two mounting grooves are formed in the lower end of the device plate, two symmetrical assisting rollers are rotatably connected to the two mounting grooves through a rotating shaft, two pairs of rollers are connected with the needle rod through a driving mechanism, and an ironing device is arranged between the two pairs of rollers.
Preferably, actuating mechanism is including setting up the slide in the device inboard, sliding connection has first rack, two in the slide the middle part of pivot all rotates through first individual bearing and is connected with first gear, two first gear all meshes with first rack mutually, the upper end lateral wall fixed mounting of needle bar has first pulley, the right-hand member fixed mounting of slide has the second pulley, fixedly connected with stay cord between the right-hand member of first rack and the needle bar, the outer wall at first pulley and second pulley is established to the stay cord cover, through reset spring elastic connection between the left side wall of first rack and slide.
Preferably, the ironing device comprises a heating water tank fixedly mounted on the side wall of the sewing machine, the lower end of the device plate is located between the two pairs of rollers and is fixedly connected with an ironing plate, the lower end of the device plate is located on the right side of the ironing plate and is fixedly connected with a transverse pipe, the lower end of the transverse pipe is provided with a plurality of nozzles uniformly distributed, a wavy linear heat-conducting pipe is fixedly mounted inside the ironing plate, the side wall of the upper end of the heating water tank is fixedly connected with a conveying pipe, the other end of the conveying pipe is fixedly connected with one end of the heat-conducting pipe, and the other end of the heat-conducting pipe is fixedly connected with the transverse pipe through a connecting pipe.
Preferably, the lower end of the left side of the device plate is provided with a heat dissipation groove, a heat dissipation fan is rotatably connected in the heat dissipation groove through a rotating rod, the outer wall of the upper end of the rotating rod is rotatably connected with a second gear through a second one-way bearing, the left end of the first rack is fixedly connected with a second rack extending into the heat dissipation groove, and the second rack is meshed with the second gear.
Preferably, the upper end of the device plate is provided with a sliding chute, the sliding chute is connected with a sliding plate fixedly connected with the first rack in a sliding manner, the upper end of the sliding plate is fixedly connected with a third rack, the output end of the conveying pipe is fixedly provided with a valve, and the outer wall of the valve is fixedly connected with a third gear meshed with the third rack.
Preferably, the circumference outer wall of helping hand gyro wheel is equipped with anti-skidding line.
Preferably, an isolation net is arranged in the opening of the heat dissipation groove.
Preferably, the material of the heat conduction pipe is copper.
Preferably, a guide bevel angle is arranged on the right side of the lower end of the ironing plate.
An operation method of a cloth pressing device on a sewing machine comprises the following operation steps:
step 1: firstly, filling tap water into a heating water tank for heating, so that the tap water is boiled to generate steam;
step 2: pressing a presser foot on the textile to perform sewing operation;
and step 3: during the working period of the sewing machine, when the needle rod slides downwards, the needle rod can pull the first rack to slide rightwards through the pull rope, the first rack can drive the two rotating shafts to rotate through the first gear, the two rotating shafts can drive the power-assisted roller to rotate, and the power-assisted roller and the presser foot simultaneously press on the textile, so that the lower textile can be pushed to the left side by the power-assisted roller in a rotating mode, and an operator can save more labor;
and 4, step 4: when the sewing machine works, water vapor in the heating water tank is conveyed into the transverse pipe through the conveying pipe and then is sprayed out of the nozzle onto the textile, so that the textile is humidified and heated, and the wetted and heated textile is pressed by the ironing plate to be flat during leftward sliding of the textile, so that the sewn textile is more flat and attractive;
and 5: when the first rack slides left and right, the first rack can drive the second rack to slide left and right, the second rack drives the rotating rod and the cooling fan to rotate through the second gear, and the cooling fan can blow air to the ironed textiles, so that the textiles are rapidly cooled and rapidly sized.
Compared with the prior art, the invention provides a cloth pressing device on a sewing machine and an operation method thereof, and the cloth pressing device has the following beneficial effects:
1. during the working period of the sewing machine, when the needle rod slides downwards, the needle rod can pull the first rack to slide rightwards through the pull rope, the first rack can drive the two rotating shafts to rotate through the first gear, the two rotating shafts can drive the power-assisted roller to rotate, and the power-assisted roller and the presser foot are simultaneously pressed on textiles, so that the power-assisted roller can propel the following textiles to the left in a rotating mode, and operators can save more labor.
2. When the sewing machine works, water vapor in the heating water tank is conveyed into the transverse pipe through the conveying pipe and then is sprayed out of the textile from the nozzle, so that the textile is humidified and heated, and the wetted and heated textile is pressed by the ironing plate to be flat during leftward sliding of the textile, so that the sewn textile is more flat and attractive.
3. According to the cloth pressing device on the sewing machine and the operation method thereof, the first rack can drive the second rack to slide left and right while the first rack slides left and right, the second rack drives the rotating rod and the cooling fan thereof to rotate through the second gear, and the cooling fan can blow air to ironed textiles, so that the textiles are rapidly cooled and rapidly sized.
Drawings
FIG. 1 is a schematic structural view of a cloth pressing device of a sewing machine and an operation method thereof according to the present invention;
FIG. 2 is a schematic view of a cloth pressing device of a sewing machine and an operation method thereof according to the present invention at the point A in FIG. 1;
FIG. 3 is a schematic structural view at B in FIG. 1 of a cloth pressing device of a sewing machine and an operation method thereof according to the present invention;
FIG. 4 is a schematic structural view at C in FIG. 1 illustrating a cloth pressing apparatus of a sewing machine and a method for operating the same according to the present invention;
FIG. 5 is a schematic view of a cloth pressing device of a sewing machine and an operation method thereof according to the present invention at D in FIG. 1;
FIG. 6 is a schematic view of a cloth pressing device of a sewing machine and an operation method thereof according to the present invention at E in FIG. 1;
fig. 7 is a schematic top view of a heat pipe of a cloth pressing device of a sewing machine and an operation method thereof according to the present invention.
In the figure: 1. a sewing machine; 2. a needle bar; 3. a needle; 4. a pressure lever; 5. a presser foot; 6. a mounting plate; 7. a slideway; 8. a first rack; 9. mounting grooves; 10. a rotating shaft; 11. a roller; 12. a first gear; 13. a first single-phase bearing; 14. a third rack; 15. pulling a rope; 16. a first pulley; 17. a second pulley; 18. a return spring; 19. heating the water tank; 20. a delivery pipe; 21. a transverse tube; 22. a nozzle; 23. an ironing board; 24. a heat conducting pipe; 25. a connecting pipe; 26. a heat sink; 27. a heat radiation fan; 28. an isolation net; 29. a second gear; 30. a rotating rod; 31. a second rack; 32. a second one-way bearing; 33. a third gear; 34. a chute; 35. a slide plate; 36. and (4) a valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-7, a cloth pressing device on a sewing machine and an operation method thereof, the cloth pressing device comprises a sewing machine 1, a needle rod 2 and a pressure rod 4 are arranged at the lower end of the sewing machine 1, a needle 3 and a pressure foot 5 are respectively arranged at the lower ends of the needle rod 2 and the pressure rod 4, a device plate 6 is fixedly connected to the left side wall of the pressure foot 5, two mounting grooves 9 are arranged at the lower end of the device plate 6, the two mounting grooves 9 are rotatably connected with two symmetrical assisting rollers 11 through a rotating shaft 10, the two pairs of rollers 11 are connected with the needle rod 2 through a driving mechanism, an ironing device is arranged between the two pairs of rollers 11, the driving mechanism can drive a textile to slide leftwards under assisting force during the work of the sewing machine 1, so that an operator saves labor, and the ironing device can also flatten the surface of the textile, so that the textile is more beautiful.
Furthermore, the outer circumferential wall of the power-assisted roller 11 is provided with anti-slip lines.
Example 2
Referring to fig. 1 to 5, substantially the same as in embodiment 1, further: the driving mechanism comprises a slide way 7 arranged in the device plate 6, a first rack 8 is connected in the slide way 7 in a sliding manner, the middle parts of two rotating shafts 10 are respectively connected with a first gear 12 in a rotating manner through a first single bearing 13, the two first gears 12 are respectively meshed with the first rack 8, the upper end side wall of the needle rod 2 is fixedly provided with a first pulley 16, the right end of the slide way 7 is fixedly provided with a second pulley 17, a pull rope 15 is fixedly connected between the right end of the first rack 8 and the needle rod 2, the pull rope 15 is sleeved on the outer walls of the first pulley 16 and the second pulley 17, the first rack 8 is elastically connected with the left side wall of the slide way 7 through a return spring 18, when the sewing machine 1 works, the sewing machine 1 can drive the needle rod 2 and the needle 3 to reciprocate up and down, when the needle rod 2 slides downwards, the needle rod 2 can pull the first rack 8 through the pull rope 15, the first rack 8 can overcome the pull force of the return spring 18 to slide rightwards, when the first rack 8 slides rightwards, the first rack 8 can drive the two rotating shafts 10 to rotate through the first gear 12, the two rotating shafts 10 can drive the assisting roller 11 to rotate, and the assisting roller 11 and the presser foot 5 are pressed on the textile simultaneously, so that the assisting roller 11 can propel the following textile to the left in a rotating mode, and therefore an operator can save more labor.
Example 3
Referring to fig. 1, 2 and 7, basically the same as embodiment 1, further: the ironing device comprises a heating water tank 19 fixedly arranged on the side wall of the sewing machine 1, an ironing plate 23 is fixedly connected between two pairs of rollers 11 at the lower end of an assembly plate 6, a transverse pipe 21 is fixedly connected at the right side of the ironing plate 23 at the lower end of the assembly plate 6, a plurality of uniformly distributed nozzles 22 are arranged at the lower end of the transverse pipe 21, a wavy linear heat conduction pipe 24 is fixedly arranged in the ironing plate 23, a delivery pipe 20 is fixedly connected with the side wall of the upper end of the heating water tank 19, the other end of the delivery pipe 20 is fixedly connected with one end of the heat conduction pipe 24, the other end of the heat conduction pipe 24 is fixedly connected with the transverse pipe 21 through a connecting pipe 25, during the work of the sewing machine 1, water vapor in the heating water tank 19 is delivered into the transverse pipe 21 through the delivery pipe 20, the heat conduction pipe 24 and the connecting pipe 25, and then is sprayed onto textiles from the nozzles 22 at the lower end of the transverse pipe 21, so as to humidify and heat the textiles, during the leftward sliding of the textile, the wetted and heated textile is pressed to be flat by the ironing plate 23, and the ironing plate 23 is also heated by the steam passing through the heat conduction pipe 24 under the action of the heat conduction pipe 24, so that the textile has a better ironing effect, and the sewn textile is more flat and beautiful.
Further, the heat transfer pipe 24 is made of copper, which has high thermal conductivity and is relatively inexpensive.
Furthermore, a guiding bevel angle is arranged on the right side of the lower end of the ironing plate 23, and the guiding bevel angle is convenient for the ironing plate 23 to iron textiles better.
Example 4
Referring to fig. 5, substantially the same as in embodiment 1, further: the lower end of the left side of the mounting plate 6 is provided with a heat dissipation groove 26, the heat dissipation groove 26 is connected with a heat dissipation fan 27 through a rotating rod 30 in a rotating manner, the outer wall of the upper end of the rotating rod 30 is connected with a second gear 29 through a second one-way bearing 32 in a rotating manner, the left end of the first rack 8 is fixedly connected with a second rack 31 extending into the heat dissipation groove 26, the second rack 31 is meshed with the second gear 29, the first rack 8 can drive the second rack 31 to slide left and right while the first rack 8 slides left and right, the second rack 31 drives the rotating rod 30 and the heat dissipation fan 27 to rotate through the second gear 29, and the heat dissipation fan 27 can blow air to ironed textiles to enable the ironed textiles to be rapidly cooled and rapidly shaped.
Further, an isolation net 28 is provided in the opening of the heat dissipation groove 26 to prevent the woven cloth from being attached to the heat dissipation fan 27.
Example 5
Referring to fig. 6, substantially the same as in embodiment 1, further: the upper end of the device plate 6 is provided with a sliding chute 34, the sliding chute 34 is connected with a sliding plate 35 fixedly connected with the first rack 8 in a sliding manner, the upper end of the sliding plate 35 is fixedly connected with a third rack 14, the output end of the conveying pipe 20 is fixedly provided with a valve 36, the outer wall of the valve 36 is fixedly connected with a third gear 33 meshed with the third rack 14, during the left-right sliding of the first rack 8, the first rack 8 can drive the third rack 14 to slide left and right through the sliding plate 35, the third rack 14 can drive the valve 36 to rotate back and forth through the third gear 33, so that the conveying pipe 20 is automatically opened and closed, the action of the conveying pipe 20 and the action of the power-assisted roller 11 are synchronous, the valve 36 is automatically opened when the power-assisted roller 11 pushes the textile fabric, and otherwise, the valve 36 is closed.
An operation method of a cloth pressing device on a sewing machine comprises the following operation steps:
step 1: firstly, filling tap water into a heating water tank 19 for heating, so that the tap water is boiled to generate steam;
step 2: pressing the presser foot 5 on the textile for sewing operation;
and step 3: during the operation of the sewing machine 1, when the needle bar 2 slides downwards, the needle bar 2 can pull the first rack 8 to slide rightwards through the pull rope 15, the first rack 8 can drive the two rotating shafts 10 to rotate through the first gear 12, the two rotating shafts 10 can drive the assisting roller 11 to rotate, and the assisting roller 11 and the presser foot 5 simultaneously press on the textile, so that the lower textile is pushed to the left side by the assisting roller 11 in a rotating mode, and an operator can save more labor;
and 4, step 4: when the sewing machine 1 works, the water vapor in the heating water tank 19 is conveyed into the transverse pipe 21 through the conveying pipe 20 and then is sprayed out of the nozzle 22 onto the textile, so that the textile is humidified and heated, and the wetted and heated textile is pressed by the ironing plate 23 to be flat during the leftward sliding of the textile, so that the sewn textile is more flat and beautiful;
and 5: when the first rack 8 slides left and right, the first rack 8 can drive the second rack 31 to slide left and right, the second rack 31 drives the rotating rod 30 and the heat dissipation fan 27 thereof to rotate through the second gear 29, and the heat dissipation fan 27 can blow air to the ironed textiles, so that the textiles can be rapidly cooled and rapidly sized.
The working principle is as follows: in the invention, when the sewing machine 1 is used, tap water is firstly filled into a heating water tank 19 to be heated so as to generate steam when the tap water is boiled, then a presser foot 5 is pressed on a textile to carry out sewing operation, when the sewing machine 1 works, the sewing machine 1 can drive a needle rod 2 and a machine needle 3 to reciprocate up and down, when the needle rod 2 slides downwards, the needle rod 2 can pull a first rack 8 through a pull rope 15, the first rack 8 can overcome the pulling force of a return spring 18 to slide rightwards, when the first rack 8 slides rightwards, the first rack 8 can drive two rotating shafts 10 to rotate through a first gear 12, the two rotating shafts 10 can drive a power-assisted roller 11 to rotate, because the power-assisted roller 11 and the presser foot 5 simultaneously press on the textile, the power-assisted roller 11 can push the lower textile to the left in a rotating mode, thereby leading an operator to be more labor-saving, when the needle rod 2 slides upwards and retracts, the first rack 8 is reset to slide leftwards under the action of the reset spring 18, because the first gear 12 is rotatably connected to the rotating shaft 10 through the first single bearing 13, at this time, the first gear 12 idles on the rotating shaft 10, the rotating shaft 10 and the power-assisted roller 11 stop rotating, and in the process, water vapor in the heating water tank 19 is conveyed into the transverse pipe 21 through the conveying pipe 20, the heat pipe 24 and the connecting pipe 25, and then is sprayed onto the textile from the nozzle 22 at the lower end of the transverse pipe 21, so as to humidify and heat the textile, during the leftward sliding of the textile, the wetted and heated textile is pressed and leveled by the ironing plate 23, and the ironing plate 23 is also heated by the steam passing through the heat pipe 24 under the action of the heat pipe 24, so that the textile has a better ironing effect, so that the sewn textile is flatter and more beautiful, while the first rack 8 slides leftwards and rightwards, the first rack 8 can also drive the second rack 31 to slide left and right, the second rack 31 can drive the rotating rod 30 and the heat dissipating fan 27 thereof to rotate through the second gear 29, the heat dissipating fan 27 can blow air to the ironed textile to rapidly cool and rapidly shape the textile, and the rotating rod 30 can only drive the heat dissipating fan 27 to rotate in one direction under the action of the second one-way bearing 32, the principle of the heat dissipating fan is the same as that of the power assisting roller 11, during the left and right sliding of the first rack 8, the first rack 8 can drive the third rack 14 to slide left and right through the sliding plate 35, the third rack 14 can drive the valve 36 to rotate back and forth through the third gear 33, thereby realizing the automatic opening and closing of the delivery pipe 20, enabling the delivery pipe to be synchronous with the motion of the power assisting roller 11, the valve 36 is automatically opened when the power assisting roller 11 pushes the textile, otherwise, the valve 36 is closed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A cloth pressing device on a sewing machine comprises the sewing machine (1) and is characterized in that a needle rod (2) and a pressing rod (4) are arranged at the lower end of the sewing machine (1), a needle (3) and a pressing foot (5) are respectively arranged at the lower ends of the needle rod (2) and the pressing rod (4), a mounting plate (6) is fixedly connected to the left side wall of the pressing foot (5), two mounting grooves (9) are formed in the lower end of the mounting plate (6), two symmetrical assisting rollers (11) are rotatably connected to the two mounting grooves (9) through rotating shafts (10), two pairs of assisting rollers (11) are connected with the needle rod (2) through a driving mechanism, and an ironing device is arranged between the two pairs of assisting rollers (11);
the driving mechanism comprises a slide way (7) arranged in a device plate (6), wherein a first rack (8) is connected in the slide way (7) in a sliding manner, the middle parts of two rotating shafts (10) are respectively and rotatably connected with a first gear (12) through a first single bearing (13), the two first gears (12) are respectively meshed with the first rack (8), a first pulley (16) is fixedly arranged on the side wall of the upper end of the needle rod (2), a second pulley (17) is fixedly arranged at the right end of the slide way (7), a pull rope (15) is fixedly connected between the right end of the first rack (8) and the needle rod (2), the pull rope (15) is sleeved on the outer walls of the first pulley (16) and the second pulley (17), and the first rack (8) is elastically connected with the left side wall of the slide way (7) through a return spring (18);
the ironing device comprises a heating water tank (19) fixedly mounted on the side wall of the sewing machine (1), the lower end of the device plate (6) is positioned between the two pairs of power-assisted rollers (11) and is fixedly connected with an ironing plate (23), the lower end of the device plate (6) is positioned on the right side of the ironing plate (23) and is fixedly connected with a transverse pipe (21), the lower end of the transverse pipe (21) is provided with a plurality of uniformly distributed nozzles (22), a wavy linear heat conduction pipe (24) is fixedly mounted inside the ironing plate (23), the side wall of the upper end of the heating water tank (19) is fixedly connected with a conveying pipe (20), the other end of the conveying pipe (20) is fixedly connected with one end of the heat conduction pipe (24), and the other end of the heat conduction pipe (24) is fixedly connected with the transverse pipe (21) through a connecting pipe (25);
the device is characterized in that a heat dissipation groove (26) is formed in the lower end of the left side of the device plate (6), a heat dissipation fan (27) is rotatably connected into the heat dissipation groove (26) through a rotating rod (30), the outer wall of the upper end of the rotating rod (30) is rotatably connected with a second gear (29) through a second one-way bearing (32), the left end of the first rack (8) is fixedly connected with a second rack (31) extending into the heat dissipation groove (26), and the second rack (31) is meshed with the second gear (29).
2. The cloth pressing device on the sewing machine according to claim 1, characterized in that a sliding groove (34) is arranged at the upper end of the device plate (6), a sliding plate (35) fixedly connected with the first rack (8) is slidably connected in the sliding groove (34), a third rack (14) is fixedly connected at the upper end of the sliding plate (35), a valve (36) is fixedly installed at the output end of the conveying pipe (20), and a third gear (33) meshed with the third rack (14) is fixedly connected to the outer wall of the valve (36).
3. A cloth pressing device on a sewing machine according to claim 1, characterized in that the outer circumferential wall of the power-assisted roller (11) is provided with anti-slip lines.
4. The cloth pressing device of sewing machine according to claim 1, wherein the heat sink groove (26) is provided with an isolation net (28) in its opening.
5. A cloth presser device for sewing machines according to claim 1, wherein said heat pipe (24) is made of copper.
6. Cloth pressing device on sewing machine according to claim 1, characterized in that the lower right side of the ironing plate (23) is provided with a guiding bevel.
7. A method of operating a cloth presser device in a sewing machine according to claim 1, characterized by the steps of:
step 1: firstly, filling tap water into a heating water tank (19) for heating, so that the tap water is boiled to generate steam;
step 2: pressing the presser foot (5) on the textile for sewing operation;
and step 3: during the working period of the sewing machine (1), when the needle rod (2) slides downwards, the needle rod (2) can pull the first rack (8) to slide rightwards through the pull rope (15), the first rack (8) can drive the two rotating shafts (10) to rotate through the first gear (12), the two rotating shafts (10) can drive the power-assisted roller (11) to rotate, and the power-assisted roller (11) and the presser foot (5) are simultaneously pressed on the textile, so the power-assisted roller (11) can propel the lower textile to the left side in a rotating mode, and an operator can save more labor;
and 4, step 4: when the sewing machine (1) works, water vapor in the heating water tank (19) is conveyed into the transverse pipe (21) through the conveying pipe (20) and then is sprayed out of the nozzle (22) onto the textile, so that the textile is humidified and heated, and the wetted and heated textile is pressed by the ironing plate (23) to be flat during leftward sliding of the textile, so that the sewn textile is more flat and beautiful;
and 5: when the first rack (8) slides left and right, the first rack (8) can drive the second rack (31) to slide left and right, the second rack (31) drives the rotating rod (30) and the heat dissipation fan (27) to rotate through the second gear (29), and the heat dissipation fan (27) can blow air to the ironed textiles, so that the ironed textiles can be rapidly cooled and rapidly sized.
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