CN112680888A - Cloth pressing device of sewing machine and working method thereof - Google Patents
Cloth pressing device of sewing machine and working method thereof Download PDFInfo
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- CN112680888A CN112680888A CN202011495088.0A CN202011495088A CN112680888A CN 112680888 A CN112680888 A CN 112680888A CN 202011495088 A CN202011495088 A CN 202011495088A CN 112680888 A CN112680888 A CN 112680888A
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Abstract
The invention discloses a cloth pressing device of a sewing machine, which comprises a workbench, a sewing machine body, a tensioning seat, a lifting mechanism, a pressing wheel mechanism, a tensioning mechanism and a control switch group, wherein the sewing machine body is fixed above the workbench, the tensioning seat is symmetrically arranged on two sides of the workbench by taking the sewing machine as a center, the tensioning seat is in sliding connection with the workbench, the lifting mechanism is arranged at the longitudinal center of the tensioning seat, the pressing wheel mechanism is connected below the lifting mechanism, the tensioning mechanism is arranged in the workbench, the control switch group is arranged on the front side of the workbench, and the sewing machine body, the lifting mechanism and a second motor of the tensioning mechanism are electrically connected with the control switch group. The cloth pressing device of the sewing machine is simple and reasonable in structure, can automatically adapt to tensioning according to the width and the thickness of cloth, is high in automation degree, reduces the workload of workers, and improves the production efficiency.
Description
Technical Field
The invention belongs to the technical field of sewing equipment, and particularly relates to a cloth pressing device of a sewing machine. The invention also relates to a working method of the cloth pressing device of the sewing machine.
Background
The sewing machine is a machine which uses one or more sewing threads to form one or more stitches on a sewing material to enable one or more layers of the sewing material to be interwoven or sewn, the sewing machine can be used for sewing fabrics such as cotton, hemp, silk, wool, artificial fiber and the like and products such as leather, plastic, paper and the like, and the sewn 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.
When a sewing machine is used for processing workpieces such as cloth, the cloth needs to be tensioned and then processed, so that the quality of the workpieces is prevented from being affected when the workpieces are wrinkled, in the prior art, the workpieces are usually tensioned by hands of workers, the workload of the workers is increased, the working fatigue is easily caused, and the processing efficiency is affected.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects, the invention aims to provide the cloth pressing device of the sewing machine, which has a simple and reasonable structure, can automatically adapt to tensioning according to the width and the thickness of cloth, has high automation degree, reduces the workload of workers and improves the production efficiency.
The technical scheme is as follows: a cloth pressing device of a sewing machine comprises a workbench, a sewing machine body, a tensioning seat, a lifting mechanism, a pressing wheel mechanism, a tensioning mechanism and a control switch group, wherein the sewing machine body is fixed above the workbench, the tensioning seat is symmetrically arranged at two sides of the workbench by taking the sewing machine as a center, the tensioning seat is in sliding connection with the workbench, the lifting mechanism is arranged at the longitudinal central position of the tensioning seat, the pressing wheel mechanism is connected below the lifting mechanism and comprises a connecting transverse plate, an end plate, a pressing wheel, a first sliding block and a first spring, the two ends of the pressing wheel are provided with the end plate, the end of the two ends of the pressing wheel are rotatably connected with the first sliding block, the first spring is arranged above the first sliding block, the connecting transverse plate is arranged above the end plate and is fixedly connected with the end plates at the two ends, the tensioning mechanism is arranged in the workbench, the tensioning mechanism comprises a second motor, a screw rod, a first thread block, a second thread block and a supporting block, the screw rod is arranged below the tensioning seat, the second motor is fixed on the side surface of the workbench, the output end of the second motor is connected with the screw rod, two sections of screw rods which are arranged in a centrosymmetric manner are arranged on the screw rod, threads on the two sections of screw rods are reverse threads with equal thread pitch, the first thread block which is connected with the screw rod is arranged on one section of screw rod, the second thread block which is connected with the screw rod is arranged on the other section of screw rod, a third sliding groove through which the first thread block and the second thread block pass through the upper surface of the workbench is respectively connected with the bottom end of the tensioning seat, the supporting block which is arranged in a centrosymmetric manner is arranged between the first thread block and the second thread block, the supporting block is fixed on the workbench, the supporting block is connected with the rotation, and the control switch, the sewing machine body and the second motor are electrically connected with the control switch group. The lifting mechanism is used for moving the pressing wheel mechanism to compress the cloth, the second motor is started, and the screw rod drives the two tensioning seats to be away from and close to each other by taking the sewing machine body as a center, so that the distance between the two tensioning seats is adjusted, the cloth is tensioned, and the cloth tensioning machine is suitable for tensioning and processing the cloth with different widths.
Further, foretell sewing machine's compress device, elevating system includes first motor, motor mount pad, gear and rack, the motor mount pad is fixed in tensioning seat top, first motor is fixed on the motor mount pad, the output and the gear connection of first motor, gear and rack toothing, first motor and control switch group electricity are connected. The first motor is started, the gear drives the rack to move up and down, so that the pressing wheel mechanism is driven to move up and down, the descending height can be adjusted according to the thickness of the cloth, and the cloth pressing mechanism is suitable for the thicknesses of different cloths.
Further, in the cloth pressing device of the sewing machine, the stretching seat is of an inverted L shape, a rectangular groove is formed in the longitudinal center of the upper transverse plate of the stretching seat, and the rack penetrates through the rectangular groove and is fixed on the connecting transverse plate through welding.
Further, foretell sewing machine's compress device, be equipped with the telescopic link between tensioning seat and the connection diaphragm, the telescopic link uses the rack to set up in connecting the diaphragm both ends as central symmetry, the cover has the second spring on the telescopic link, the diaphragm lower surface on the tensioning seat is connected to second spring upper end, and the diaphragm top surface is connected to the lower extreme connection. The telescopic link can play the effect of buffering to the removal of pinch roller mechanism with the cooperation of second spring, reduces the vibration to tensioning seat and workstation, improves the life of device.
Further, in the cloth pressing device of the sewing machine, the end plate is U-shaped, and a first sliding groove is formed in the center of the end plate.
Further, in the cloth pressing device of the sewing machine, a bearing is arranged in the first sliding block, and the first sliding block is matched with the first sliding groove and is in sliding connection with the first sliding groove.
Further, foretell sewing machine's cloth pressing device, first spout constitutes the closed groove with the connection diaphragm bottom surface, be equipped with first spring in the closed groove, first spring upper end butt diaphragm bottom surface, the first slider top surface of lower extreme butt. When the pressing wheel abuts against the working table surface, the rack continuously descends, the pressing wheel can drive the first spring to compress, a downward spring force is generated, and therefore the tension force of the cloth is increased and the cloth is not damaged.
Furthermore, in the cloth pressing device of the sewing machine, the outer side of the pressing wheel is provided with the friction sleeve. The friction sleeve can be a cotton sleeve, a leather sleeve or a sponge sleeve and is used for increasing friction force and facilitating the pressing wheel to open cloth.
Further, foretell sewing machine's compress device, the lead screw both sides are equipped with the guide bar, the guide bar both ends are fixed on the workstation, the guide bar both ends are equipped with the second slider with the position that the seat corresponds that advances, second slider and guide bar sliding connection, the second slider passes the second spout of workstation upper surface and is connected with tensioning seat both sides bottom. The cooperation of guide bar and second slider has increased the support balance of tensioning seat, lets the removal of tensioning seat more quick smooth and easy.
The invention also provides a working method of the cloth pressing device of the sewing machine, which comprises the following steps:
1) placing the cloth on a workbench, pressing down the control switch group, starting the second motor, and preliminarily adjusting the distance between the two tensioning seats according to the width of the cloth so as to adjust the distance between the two pressing wheels;
2) pressing down the control switch group, starting the first motor, driving the rack to descend by the gear, descending the pinch roller structure, and pressing cloth by the pinch roller;
3) the control switch group is pressed down, the second motor is started, the two tensioning seats are far away from each other, and the cloth pressed by the pressing wheel is driven to stretch towards two sides, so that the cloth is tensioned;
4) the control switch group is pressed down, the first motor is started again, the gear drives the rack to descend, the first spring is compressed, the cloth is further tensioned, and the cloth is prevented from moving when the sewing machine works;
5) the control switch group is pressed down to start the sewing machine body to finish the sewing work.
The technical scheme shows that the invention has the following beneficial effects:
1. according to the cloth pressing device of the sewing machine, the lifting mechanism gear drives the rack to move up and down, so that the pressing wheel mechanism is driven to move up and down, the descending height can be adjusted according to the thickness of cloth, and the cloth pressing device is suitable for the thicknesses of different cloth;
2. according to the cloth pressing device of the sewing machine, the pressing wheel mechanism pressing wheel presses cloth to drive the cloth to be tensioned, and the first spring is compressed to generate a downward spring force, so that the tensioning force of the cloth can be increased, and the cloth is not damaged;
3. according to the cloth pressing device of the sewing machine, the tensioning mechanism can automatically adjust the distance between the two tensioning seats and tension cloth, so that the cloth pressing device is suitable for tensioning and processing the cloth with different widths.
Drawings
FIG. 1 is a schematic view of a cloth pressing device of a sewing machine according to the present invention;
FIG. 2 is a schematic top view of a cloth pressing device of the sewing machine according to the present invention;
FIG. 3 is a schematic side view of the lifting mechanism and the presser wheel mechanism of the cloth presser of the sewing machine according to the present invention;
FIG. 4 is a schematic top view of the tensioning mechanism of the cloth pressing device of the sewing machine according to the present invention;
in the figure: 1 workbench, 11 second chutes, 12 third chutes, 2 sewing machine bodies, 3 tensioning seats, 31 rectangular grooves, 4 lifting mechanisms, 41 first motors, 42 motor installation seats, 43 gears, 44 racks, 5 pressing wheel mechanisms, 51 connecting transverse plates, 52 end plates, 521 first chutes, 53 pressing wheels, 54 first sliding blocks, 55 first springs, 6 tensioning mechanisms, 61 second motors, 62 screw rods, 63 first thread blocks, 64 second thread blocks, 65 supporting blocks, 66 guide rods, 67 second sliding blocks, 7 telescopic rods, 8 second springs and 9 control switch groups.
Detailed Description
The invention is further elucidated with reference to the drawings and the embodiments.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of 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, are not to be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
Example 1
If shown in fig. 1-4, a cloth pressing device of sewing machine, includes workstation 1, sewing machine organism 2, tensioning seat 3, elevating system 4, pinch roller mechanism 5, straining device 6 and control switch group 9, sewing machine organism 2 is fixed in workstation 1 top, tensioning seat 3 uses sewing machine organism 2 to locate the both sides of workstation 1 as central symmetry, tensioning seat 3 and workstation 1 sliding connection, the vertical central point of tensioning seat 3 puts and is equipped with elevating system 4, elevating system 4's below is connected with pinch roller mechanism 5, pinch roller mechanism 5 is including connecting diaphragm 51, end plate 52, pinch roller 53, first slider 54 and first spring 55, pinch roller 53 both ends are equipped with end plate 52, be equipped with first slider 54 on the end plate 52, pinch roller 53 both ends are connected with first slider 54 rotation, first slider 54 top is equipped with first spring 55, the connection diaphragm 51 is arranged above the end plate 52 and fixedly connected with the end plates 52 on both sides, the tensioning mechanism 6 is arranged in the workbench 1, the tensioning mechanism 6 comprises a second motor 61, a screw rod 62, a first thread block 63, a second thread block 64 and a supporting block 65, the screw rod 62 is arranged below the tensioning seat 3, the second motor 61 is fixed on the side surface of the workbench 1, the output end of the second motor 61 is connected with the screw rod 62, two sections of screw rods 62 which are symmetrically arranged at the center are arranged on the screw rod 62, the threads on the two sections of screw rods 62 are reverse threads with equal thread pitch, the first thread block 63 which is connected with the screw rod 62 is arranged on one section of screw rod 62, the second thread block 64 which is connected with the screw rod 62 is arranged on the other section of screw rod, the first thread block 63 and the second thread block 64 pass through a third chute 12 on the upper surface of the workbench 1 and are respectively connected with the bottom end of one tensioning, the supporting blocks 65 are arranged in a central symmetry mode between the first thread block 63 and the second thread block 64, the supporting blocks 65 are fixed on the workbench 1, the supporting blocks 65 are rotatably connected with the screw rod 62, the control switch group 9 is arranged on the front side of the workbench 1, and the sewing machine body 2 and the second motor 61 are electrically connected with the control switch group 7. Move the pinch roller mechanism 5 through elevating system 4 and compress tightly the cloth, start second motor 61, lead screw 62 drives two tensioning seats 3 and uses sewing machine organism 2 to keep away from each other and be close to as the center to adjust the distance between two tensioning seats 3 and tensioning cloth, adapt to the cloth tensioning processing of different width.
Example 2
If shown in fig. 1-4, a cloth pressing device of sewing machine, includes workstation 1, sewing machine organism 2, tensioning seat 3, elevating system 4, pinch roller mechanism 5, straining device 6 and control switch group 9, sewing machine organism 2 is fixed in workstation 1 top, tensioning seat 3 uses sewing machine organism 2 to locate the both sides of workstation 1 as central symmetry, tensioning seat 3 and workstation 1 sliding connection, the vertical central point of tensioning seat 3 puts and is equipped with elevating system 4, elevating system 4's below is connected with pinch roller mechanism 5, pinch roller mechanism 5 is including connecting diaphragm 51, end plate 52, pinch roller 53, first slider 54 and first spring 55, pinch roller 53 both ends are equipped with end plate 52, be equipped with first slider 54 on the end plate 52, pinch roller 53 both ends are connected with first slider 54 rotation, first slider 54 top is equipped with first spring 55, the connection diaphragm 51 is arranged above the end plate 52 and fixedly connected with the end plates 52 on both sides, the tensioning mechanism 6 is arranged in the workbench 1, the tensioning mechanism 6 comprises a second motor 61, a screw rod 62, a first thread block 63, a second thread block 64 and a supporting block 65, the screw rod 62 is arranged below the tensioning seat 3, the second motor 61 is fixed on the side surface of the workbench 1, the output end of the second motor 61 is connected with the screw rod 62, two sections of screw rods 62 which are symmetrically arranged at the center are arranged on the screw rod 62, the threads on the two sections of screw rods 62 are reverse threads with equal thread pitch, the first thread block 63 which is connected with the screw rod 62 is arranged on one section of screw rod 62, the second thread block 64 which is connected with the screw rod 62 is arranged on the other section of screw rod, the first thread block 63 and the second thread block 64 pass through a third chute 12 on the upper surface of the workbench 1 and are respectively connected with the bottom end of one tensioning, the supporting blocks 65 are arranged in a central symmetry mode between the first thread block 63 and the second thread block 64, the supporting blocks 65 are fixed on the workbench 1, the supporting blocks 65 are rotatably connected with the screw rod 62, the control switch group 9 is arranged on the front side of the workbench 1, and the sewing machine body 2 and the second motor 61 are electrically connected with the control switch group 7. Move the pinch roller mechanism 5 through elevating system 4 and compress tightly the cloth, start second motor 61, lead screw 62 drives two tensioning seats 3 and uses sewing machine organism 2 to keep away from each other and be close to as the center to adjust the distance between two tensioning seats 3 and tensioning cloth, adapt to the cloth tensioning processing of different width.
Elevating system 4 includes first motor 41, motor mount pad 42, gear 43 and rack 44, motor mount pad 42 is fixed in tensioning seat 3 top, first motor 41 is fixed on motor mount pad 42, the output and the gear 43 of first motor 41 are connected, gear 43 and rack 44 mesh, first motor 41 is connected with control switch group 9 electricity. The first motor 41 is started, the gear 43 drives the rack 44 to move up and down, so that the pressing wheel mechanism 5 is driven to move up and down, the descending height can be adjusted according to the thickness of the cloth, and the cloth pressing mechanism is suitable for the thicknesses of different cloths.
The stretching seat 3 is of an inverted L shape, a rectangular groove 31 is formed in the longitudinal center of the upper transverse plate of the stretching seat 3, and the rack 44 penetrates through the rectangular groove 31 and is fixed on the connecting transverse plate 51 through welding.
The end plate 52 is U-shaped, and a first sliding chute 521 is arranged at the center of the end plate 52.
A bearing is arranged in the first sliding block 54, and the first sliding block 54 is matched with the first sliding chute 521 and is connected with the first sliding chute 521 in a sliding manner.
The first sliding groove 521 and the bottom surface of the connecting transverse plate 51 form a closed groove, a first spring 55 is arranged in the closed groove, the upper end of the first spring 55 is abutted against the bottom surface of the connecting transverse plate 51, and the lower end of the first spring 55 is abutted against the top surface of the first sliding block 54. When the pressing wheel 53 abuts against the surface of the workbench 1, the rack 44 continues to descend, the pressing wheel 53 drives the first spring 55 to compress, a downward spring force is generated, and therefore the tension force of the cloth is increased without damaging the cloth.
And a friction sleeve is arranged on the outer side of the pinch roller 53. The friction sleeve can be a cotton sleeve, a leather sleeve or a sponge sleeve and is used for increasing friction force and facilitating the opening of cloth by the pressing wheel 53.
Lead screw 62 both sides are equipped with guide bar 66, guide bar 66 both ends are fixed on workstation 1, guide bar 66 both ends are equipped with second slider 67 with the corresponding position of tensioning seat 3, second slider 67 and guide bar 66 sliding connection, second slider 67 passes the second spout 11 and the tensioning seat 3 both sides bottom of workstation 1 upper surface and is connected. The cooperation of guide bar 66 and second slider 67 has increased the holding power of tensioning seat 3 for tensioning seat 3 is more quick smooth and easy when removing.
A working method of a cloth pressing device of a sewing machine comprises the following steps:
1) placing the cloth on the workbench 1, pressing the control switch group 9, starting the second motor 61, and primarily adjusting the distance between the two tensioning seats 3 according to the width of the cloth, thereby adjusting the distance between the two pressing wheels 53;
2) the control switch group 9 is pressed down, the first motor 41 is started, the gear 43 drives the rack 44 to descend, the pinch roller structure 5 descends, and the pinch roller 53 presses the cloth;
3) the control switch group 9 is pressed down, the second motor 61 is started, the two tensioning seats 3 are far away from each other, and the cloth pressed by the pressing wheel 53 is driven to open towards two sides, so that the cloth is tensioned;
4) the control switch group 9 is pressed down, the first motor 41 is started again, the gear 43 drives the rack 44 to continuously descend, the first spring 55 is compressed, the cloth is further tensioned, and the cloth is prevented from moving when the sewing machine works;
5) the control switch group 9 is pressed down to start the sewing machine body 2 to finish the sewing work.
The working method is simple in flow and convenient to operate, can automatically adapt to tensioning according to the width and the thickness of the cloth, reduces the workload of workers, and improves the production efficiency.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.
Claims (10)
1. A cloth pressing device of a sewing machine is characterized in that: comprises a workbench (1), a sewing machine body (2), a tensioning seat (3), an elevating mechanism (4), a pressing wheel mechanism (5), an tensioning mechanism (6) and a control switch group (9), wherein the sewing machine body (2) is fixed above the workbench (1), the tensioning seat (3) is arranged on two sides of the workbench (1) by taking the sewing machine body (2) as central symmetry, the tensioning seat (3) is connected with the workbench (1) in a sliding way, the elevating mechanism (4) is arranged at the longitudinal central position of the tensioning seat (3), the pressing wheel mechanism (5) is connected below the elevating mechanism (4), the pressing wheel mechanism (5) comprises a connecting transverse plate (51), an end plate (52), a pressing wheel (53), a first sliding block (54) and a first spring (55), the two ends of the pressing wheel (53) are provided with end plates (52), the first sliding block (54) is arranged on the end plate (52), the terminal and the first slider (54) rotation of pinch roller (53) both ends are connected, first slider (54) top is equipped with first spring (55), connect diaphragm (51) locate end plate (52) top and with end plate (52) fixed connection of both sides, straining device (6) are located in workstation (1), straining device (6) include second motor (61), lead screw (62), first thread piece (63), second thread piece (64) and supporting shoe (65), the below of tensioning seat (3) is located in lead screw (62), the side at workstation (1) is fixed in second motor (61), the output and lead screw (62) of second motor (61) are connected, lead screw (62) comprise two sections lead screw that central symmetry set up, the screw thread on two sections lead screw (62) is the reverse screw thread of constant pitch, be equipped with its threaded connection's first thread piece (63) on one section lead screw (62), be equipped with on another section lead screw (62) with its threaded connection's second thread piece (64), first thread piece (63) and second thread piece (64) pass third spout (12) of workstation (1) upper surface and are connected with a tensioning seat (3) bottom respectively, be equipped with supporting shoe (65) that the centrosymmetry set up between first thread piece (63) and second thread piece (64), supporting shoe (65) are fixed on workstation (1), supporting shoe (65) rotate with lead screw (62) and are connected, workstation (1) front side is located in control switch group (9), sewing machine organism (2), second motor (61) are connected with control switch group (9) electricity.
2. The cloth pressing device of a sewing machine according to claim 1, characterized in that: elevating system (4) include first motor (41), motor mount pad (42), gear (43) and rack (44), motor mount pad (42) are fixed in tensioning seat (3) top, first motor (41) are fixed on motor mount pad (42), the output and gear (43) of first motor (41) are connected, gear (43) and rack (44) meshing, first motor (41) are connected with control switch group (9) electricity.
3. The cloth pressing device of a sewing machine according to claim 2, characterized in that: the stretching seat (3) is of an inverted L shape, a rectangular groove (31) is formed in the longitudinal center of the upper transverse plate of the stretching seat (3), and the rack (44) penetrates through the rectangular groove (31) and is fixed to the connecting transverse plate (51) through welding.
4. A cloth pressing device of a sewing machine according to claim 3, characterized in that: tensioning seat (3) and be equipped with telescopic link (7) between being connected diaphragm (51), telescopic link (7) use rack (44) to set up in connecting diaphragm (51) both ends as central symmetry, the cover has second spring (8) on telescopic link (7), the diaphragm lower surface is gone up in tensioning seat (3) to second spring (8) upper end connection tensioning seat (3), and diaphragm (51) top surface is connected to the lower extreme.
5. The cloth pressing device of a sewing machine according to claim 1, characterized in that: the end plate (52) is U-shaped, and a first sliding groove (521) is formed in the center of the end plate (52).
6. The cloth pressing device of a sewing machine according to claim 5, characterized in that: a bearing is arranged in the first sliding block (54), and the first sliding block (54) is matched with the first sliding chute (521) and is in sliding connection with the first sliding chute (521).
7. The cloth pressing device of a sewing machine according to claim 6, characterized in that: a closed groove is formed by the first sliding groove (521) and the bottom surface of the connecting transverse plate (51), a first spring (55) is arranged in the closed groove, the upper end of the first spring (55) is connected with the bottom surface of the connecting transverse plate (51) in an abutting mode, and the lower end of the first spring (55) is connected with the top surface of the first sliding block (54) in an abutting mode.
8. The cloth pressing device of a sewing machine according to claim 1, characterized in that: and a friction sleeve is arranged on the outer side of the pressing wheel (53).
9. The cloth pressing device of a sewing machine according to claim 1, characterized in that: lead screw (62) both sides are equipped with guide bar (66), guide bar (66) both ends are fixed on workstation (1), guide bar (66) both ends are equipped with second slider (67) with the corresponding position of seat (3) that opens up, second slider (67) and guide bar (66) sliding connection, second spout (11) that second slider (67) passed workstation (1) upper surface are connected with tensioning seat (3) both sides bottom.
10. The working method of the cloth pressing device of the sewing machine is characterized in that: the method comprises the following steps:
1) placing the cloth on a workbench (1), pressing down a control switch group (9), starting a second motor (61), and preliminarily adjusting the distance between two tensioning seats (3) according to the width of the cloth;
2) the control switch group (9) is pressed down, the first motor (41) is started, the gear (43) drives the rack (44) to descend, the pinch roller structure (5) descends, and the pinch roller (53) presses cloth;
3) the control switch group (9) is pressed down, the second motor (61) is started, the two tensioning seats (3) are far away from each other, and the cloth is tensioned;
4) the control switch group (9) is pressed down, the first motor (61) is started again, the gear (43) drives the rack (44) to continuously descend, the first spring (55) is compressed, and the cloth is further tensioned;
5) the control switch group (9) is pressed down to start the sewing machine body (2) to finish the sewing work.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011495088.0A CN112680888A (en) | 2020-12-17 | 2020-12-17 | Cloth pressing device of sewing machine and working method thereof |
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| CN202011495088.0A CN112680888A (en) | 2020-12-17 | 2020-12-17 | Cloth pressing device of sewing machine and working method thereof |
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| CN112680888A true CN112680888A (en) | 2021-04-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113914088A (en) * | 2021-10-08 | 2022-01-11 | 海啊科技有限公司 | Trimming device is used in processing of car seat cover |
| CN115467101A (en) * | 2022-09-19 | 2022-12-13 | 石狮市鑫隆针织机械有限公司 | Knitting equipment of knitted fabric |
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| US3496891A (en) * | 1968-03-04 | 1970-02-24 | Union Special Machine Co | Method and apparatus for stitching a succession of fabric workpieces |
| JP2016152823A (en) * | 2015-02-20 | 2016-08-25 | Juki株式会社 | Sewing machine |
| CN105970495A (en) * | 2016-06-24 | 2016-09-28 | 杰克缝纫机股份有限公司 | Fabric delivery device and delivery method |
| CN207295135U (en) * | 2017-08-31 | 2018-05-01 | 湖州梦琪服饰有限公司 | Cloth positioning tensioning device is used in a kind of clothes processing |
| CN111748920A (en) * | 2020-06-29 | 2020-10-09 | 高邮萤火贸易有限公司 | Cloth pressing device for sewing machine |
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| CN113914088A (en) * | 2021-10-08 | 2022-01-11 | 海啊科技有限公司 | Trimming device is used in processing of car seat cover |
| CN115467101A (en) * | 2022-09-19 | 2022-12-13 | 石狮市鑫隆针织机械有限公司 | Knitting equipment of knitted fabric |
| CN115467101B (en) * | 2022-09-19 | 2023-09-15 | 泉州市弘扬精密机械有限公司 | Knitting equipment of knitted fabric |
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