CN210621136U

CN210621136U - Automatic thread feeding system of self-correcting sewing machine

Info

Publication number: CN210621136U
Application number: CN201921141722.3U
Authority: CN
Inventors: 沈淑婉
Original assignee: Zhuhai Hehe Clothing Co ltd
Current assignee: Zhuhai Hehe Clothing Co ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-05-26
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses an automatic thread feeding system of a self-correcting sewing machine, which comprises a workbench, a take-up mechanism, a thread clamp, a bottom thread detection device and a driving motor, wherein the take-up mechanism is arranged at the top end of a machine head; the wire clamping device is arranged on the machine base and comprises a supporting rod, an adjusting frame, a pressure plate, a spring and an electric telescopic rod, and the supporting rod and the electric telescopic rod are arranged on the machine base; the bottom line detection device comprises a reflector plate and an infrared reflection type sensor; be equipped with tension sensor, can learn the elasticity transform of silk thread at any time, overcome the unknown defect of sewing in-process silk thread tension, be equipped with electric telescopic handle on the thread trapper, use with tension sensor cooperation, realized the automatic correction of sewing machine silk thread elasticity, be equipped with admission machine, make the elasticity of silk thread use and keep invariable, it is convenient simple to use, improved the sewing quality, be equipped with bottom line detection device, conveniently detect the surplus of bottom line in the rotating shuttle, remind the user to change the bottom line.

Description

Automatic thread feeding system of self-correcting sewing machine

Technical Field

The utility model relates to a tailoring technical field specifically is a self-correcting type sewing machine send line system automatically.

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 sewing materials to be interwoven or sewed, 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, the sewed stitches are neat, beautiful, flat and firm, the sewing speed is high, the use is simple and convenient, the sewing machine comprises a machine head, a machine base, a transmission and accessories, wherein a thread feeding system in the accessories is vital, in the Chinese patent with the application number of 201410382130.6, an automatic thread feeding system and a control method are provided, the control on the take-up and pay-off time and the take-up and pay-off quantity is introduced in detail, the tightness degree of a silk thread can be adjusted, but the tension of the silk thread is unknown, the control method is obtained only by experiments on each sewing machine, the function of automatically detecting and adjusting the tightness degree of the silk thread can be changed, the sewing quality can be affected without adjustment, and further the quality of the clothes is affected, and the bottom thread in the rotating shuttle cannot be obtained due to the installation in the rotating shuttle.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide an automatic thread feeding system of self-correcting sewing machine, can automated inspection silk thread tension, carry out the elasticity adjustment automatically, and the clothing is made up the quality height, can learn the surplus of bottom line, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic thread feeding system of a self-correcting sewing machine comprises a workbench, a take-up mechanism, a thread clamp, a bottom thread detection device and a driving motor; the sewing machine comprises a workbench, a rotary shuttle box, a vertical rod, a machine head, a machine base and a machine arm, wherein the bottom end of the workbench is provided with four support columns, the left side of the bottom end of the workbench is provided with the rotary shuttle box, the rotary shuttle box is rotatably connected with the horizontal rod, the left end of the horizontal rod is connected with a rotary shuttle, the right end of the horizontal rod is connected with the vertical rod through a bevel gear, the top end of the workbench is connected with the sewing machine body, the sewing machine body comprises the machine head, the machine base and the machine arm, the machine arm is arranged on the left side of the machine base, the machine head is arranged at the left end of the machine arm, a take-up lever is arranged inside the machine head, the top end of the machine arm; the take-up mechanism is arranged at the top end of the machine head; the wire clamping device is arranged on the machine base and is positioned near the wire releasing rod, the wire clamping device comprises a supporting rod, an adjusting frame, two pressing plates, a spring and an electric telescopic rod, the supporting rod and the electric telescopic rod are arranged on the machine base, the adjusting frame is arranged at the telescopic end of the electric telescopic rod, the two pressing plates are in sliding connection with the supporting rod, the spring is sleeved on the supporting rod, and the spring is positioned between the lower pressing plate and the machine base; the bottom line detection device comprises a reflector plate and an infrared reflection type sensor, the reflector plate is arranged on the transverse rod and is positioned in the rotating shuttle box, the infrared reflection type sensor is arranged at the bottom end of the rotating shuttle box, and the reflector plate and the infrared reflection type sensor are positioned on the same vertical plane; the driving motor is arranged on the right side surface of the base, and an output shaft of the driving motor is connected with the vertical rod through a bevel gear; wherein: the novel winding machine is characterized by further comprising a silk thread and a single chip microcomputer, wherein the silk thread sequentially penetrates through a thread clamping device, a winding roller, a tension sensor, a take-up mechanism, a take-up lever and a needle head, the single chip microcomputer is arranged on the front side face of the machine arm, the input end of the single chip microcomputer is electrically connected with the output ends of the tension sensor, the infrared reflection type sensor and an external power supply, and the output end of the single chip microcomputer is electrically connected with the input ends of the.

This device utilizes the elasticity degree of thread holder control silk thread, and the silk thread reachs tension size through tension sensor to with tension information transfer to singlechip, the singlechip is according to the extension of feedback control electric telescopic handle and shorten, controls the tight degree of clamp of thread holder, realizes the automatically regulated of silk thread elasticity, the remaining line of rotating shuttle inside then predicts through the pivoted number of turns, utilizes infrared reflection type sensor to get the detection number of turns, provides the surplus information of bobbin thread in the rotating shuttle.

Further, admission machine includes take-up pulley, first gear, servo motor and second gear, servo motor arranges the top of aircraft nose in, and first gear installs the output shaft at servo motor, the take-up pulley rotates through the pivot to be connected on the fixed plate on aircraft nose top, and the tip at the pivot is installed to the second gear, first gear and second gear intermeshing, servo motor's input is connected with the output electricity of singlechip, utilizes servo motor to drive the take-up pulley and receives the line, can cooperate the take-up lever to tighten up the silk thread at the ascending in-process of needle, makes high quality clothing.

Further, the take-up pulley is triangular prism take-up pulley, and two winding grooves have been seted up to the side of take-up pulley, silk thread winding is in the side of take-up pulley, and triangular prism replaces the cylinder to use as the take-up pulley, and it is more obvious to receive the line effect.

Furthermore, first gear, servo motor and second gear all are equipped with two sets ofly, and install respectively at the both sides face of take-up pulley, and two second gears are installed at the both ends of pivot, first gear only half is provided with the teeth of a cogwheel, and the servo motor of both sides lasts the antiport, drives the take-up pulley and receives line and unwrapping wire, and the cooperation syringe needle goes out the needle and receives a needle.

Further, the pressure disk is the round platform pressure disk, and the tip diameter that two pressure disks are close is less than the diameter of the other end, the spring is compression spring, utilizes the spring to provide pressure for the pressure disk, presss from both sides tight silk thread.

Furthermore, the reflector plate is an arc reflector plate, the reflector plate is a heat reflection glass reflector plate, the reflector plate is matched with the infrared reflection type sensor, the using effect is good, and the measured number of turns is more accurate.

Further, the alignment jig includes linking arm and arc clamp plate, and the flexible end at electric telescopic handle is installed to the one end of linking arm, and the other end of linking arm is arranged in to the arc clamp plate, and the diameter of arc clamp plate is greater than the diameter of a pole, and is less than the diameter of pressure disk, utilizes two pressure disks of arc clamp plate pressfitting, guarantees its horizontal pressure's constancy, avoids the silk thread to slide in the space and can not adjust the tensioning degree.

Compared with the prior art, the beneficial effects of the utility model are that: the automatic thread feeding system of the self-correcting sewing machine has the following advantages:

1. the tension sensor is arranged, the silk thread passes through the tension sensor at sixty degrees, the tightness change of the silk thread can be known at any time in the use process of the sewing machine, and the defect that the tension of the silk thread is unknown in the sewing process is overcome;

2. the thread clamping device is provided with an electric telescopic rod which is matched with the tension sensor for use, and after the tightness degree feedback of the silk thread is obtained, the single chip microcomputer can control the electric telescopic rod to adjust the tightness of the silk thread, so that the tightness of the silk thread of the sewing machine can be automatically corrected;

3. the thread take-up mechanism is arranged, the redundant silk threads in the process of needle feeding are collected by utilizing the rotation of the thread take-up wheel, the tension degree of the silk threads is kept, and the silk threads are sent out when the needle is fed, so that the use of the tension degree of the silk threads is kept constant, the use is convenient and simple, and the sewing quality is improved;

4. the bobbin thread detection device is arranged, so that the allowance of the bobbin thread in the rotating shuttle can be conveniently detected, and a user is reminded to replace the bobbin thread.

Drawings

FIG. 1 is a schematic structural view of an automatic wire feeding system of the present invention;

FIG. 2 is a schematic view of the front view structure of the automatic wire feeding system of the present invention;

FIG. 3 is a schematic view of a partially enlarged structure of the automatic wire feeding system A of the present invention;

fig. 4 is a schematic diagram of the local enlarged structure at the B position of the automatic wire feeding system of the present invention.

In the figure: the automatic thread take-up device comprises a workbench, a rotary shuttle box 2, a thread clamping device 3, a support rod 31, an adjusting frame 32, a pressing disc 33, a spring 34, an electric telescopic rod 35, a thread take-up mechanism 4, a thread take-up wheel 41, a first gear 42, a servo motor 43, a second gear 44, a machine head 5, a machine base 6, a machine arm 7, a single chip microcomputer 8, a driving motor 9, a needle 10, a tension sensor 11, a winding roller 12, a silk thread 13, a thread pay-off rod 14, a vertical rod 15, a transverse rod 16, a reflection sheet 17, an infrared reflection type sensor 18, a rotary shuttle 19 and a thread take-up rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the first embodiment is as follows:

an automatic thread feeding system of a self-correcting sewing machine, as shown in fig. 1 and 3, comprises a workbench 1, a take-up mechanism 4, a thread clamp 3, a bottom thread detecting device and a driving motor 9; the bottom end of a workbench 1 is provided with four support columns, the workbench 1 is supported, the left side of the bottom end of the workbench 1 is provided with a rotating shuttle box 2, as shown in figure 2, the rotating shuttle box 2 is rotatably connected with a transverse rod 16, the left end of the transverse rod 16 is connected with a rotating shuttle 19 for driving the rotating shuttle 19 to rotate, the right end of the transverse rod 16 is connected with a vertical rod 15 through a bevel gear, the top end of the workbench 1 is connected with a sewing machine body, as shown in figure 1, the sewing machine body comprises a machine head 5, a machine base 6 and a machine arm 7, the machine base 6 is arranged on the workbench 1 for supporting the whole sewing machine body, the machine arm 7 is arranged on the left side surface of the machine base 6, the machine head 5 is arranged on the left end of the machine arm 7, as shown in figure 3, a thread take-up lever 20 is arranged inside the machine head, the thread-up lever 20 is used for simultaneously lifting up to drive the redundant threads 13 when the, the supported silk thread is paid out to meet the required sewing length, as shown in fig. 1, the top end of a machine arm 7 is provided with two winding rollers 12 and a tension sensor 11, the two winding rollers 12 and the tension sensor 11 form an equilateral triangle, the winding rollers 12 wind the silk thread 13 into a proper angle and penetrate through the tension sensor 11, when the angle is sixty degrees, the measurement of the tension sensor 11 is more accurate, the obtained data is transmitted to a single chip microcomputer 8, and the top end of a machine base 6 is provided with a pay-off rod 14 for placing a bobbin; as shown in fig. 1 and 3, the take-up mechanism 4 is disposed at the top end of the handpiece 5, and is used for collecting and sending out the silk thread 13 during the up-and-down process of the needle 10 in cooperation with the thread take-up lever 20, so as to achieve the effect of controlling the tension of the silk thread; referring to fig. 1 and 4, the thread clamping device 3 is disposed on the machine base 6 and located near the thread releasing rod 14, the thread 13 is wound out from the thread cylinder and passes through the thread clamping device 3 to achieve the clamping effect, the thread clamping device 3 comprises a support rod 31, two adjusting frames 32, pressure plates 33, springs 34 and an electric telescopic rod 35, the support rod 31 and the electric telescopic rod 35 are disposed on the machine base 6, the adjusting frames 32 are mounted at the telescopic ends of the electric telescopic rod 35, the pressure plates 33 are arranged in two and are slidably connected with the support rod 31, the thread 13 is located between the two pressure plates 33 to be clamped, the springs 34 are sleeved on the support rod 31, the springs 34 are located between the lower pressure plate 33 and the machine base 6, the pressure plates 33 are circular truncated cone pressure plates, the diameters of the end parts close to the two pressure plates 33 are smaller than the diameters of the other ends, the springs 34 are compression springs, tension information obtained by, the two pressing plates 33 are extruded to move up and down, so that the effect of adjusting the tightness of the silk threads 13 is achieved, and the purpose of automatically adjusting the tightness is achieved; as shown in fig. 2, the bobbin thread detecting device includes a reflective sheet 17 and an infrared reflection type sensor 18, the reflective sheet 17 is installed on the transverse rod 16 and located inside the rotating shuttle box 2, the infrared reflection type sensor 18 is located at the bottom end of the rotating shuttle box 2, the reflective sheet 17 and the infrared reflection type sensor 18 are located on the same vertical plane, and the infrared reflection type sensor 18 is matched with the reflective sheet 17, because the reflection intensity of the reflective sheet 17 is different from the reflection intensity of the transverse rod 16, the infrared reflection type sensor 18 can obtain the number of times of irradiating the reflective sheet 17 each time, the single chip microcomputer 8 counts the number of rotation turns of the rotating shuttle 19, and when the number of rotation turns reaches the vicinity of the estimated value, the single chip microcomputer 8 sends out information, and an external warning ring is sounded; the driving motor 9 is arranged on the right side face of the machine base 6, an output shaft of the driving motor 9 is connected with the vertical rod 15 through a bevel gear, the driving motor 9 drives the vertical rod 15 to rotate, and then drives the transverse rod 16 to rotate, so that power is provided for rotation of the rotating shuttle 19.

Wherein: still include silk thread 13 and singlechip 8, silk thread 13 passes thread trapper 3 in proper order, winding roller 12, tension sensor 11, admission machine 4, take-up lever 20 and syringe needle 10, silk thread 13's arrangement is simple, makes things convenient for the threading, the leading flank of horn 7 is arranged in to singlechip 8, and singlechip 8's input is connected with tension sensor 11, infrared reflection type sensor 18 and external power source's output electricity, singlechip 8's output is connected with driving motor 9 and electric telescopic handle 35's input electricity.

Example two:

the difference between this embodiment and the first embodiment is that:

as shown in fig. 3, the wire rewinding mechanism 4 in this embodiment includes a wire rewinding wheel 41, a first gear 42, a servo motor 43 and a second gear 44, the servo motor 43 is disposed at the top end of the head 5, the first gear 42 is mounted on an output shaft of the servo motor 43, the wire rewinding wheel 41 is rotatably connected to a fixing plate at the top end of the head 5 through a rotating shaft, the second gear 44 is mounted at an end of the rotating shaft, the first gear 42 is engaged with the second gear 44, an input end of the servo motor 43 is electrically connected to an output end of the single chip microcomputer 8, the wire rewinding wheel 41 is a triangular prism wire rewinding wheel, two wire rewinding slots are formed in a side surface of the wire rewinding wheel 41, the wires 13 are wound on the side surface of the wire rewinding wheel 41, two sets of the first gear 42, the servo motor 43 and the second gear 44 are respectively mounted on two side surfaces of the wire rewinding wheel 41, the two second gears 44, the servo motor 43 drives the first gear 42 to rotate, the first gear 42 drives the second gear 44 to rotate so as to drive the rotating shaft to rotate, under the action of the rotating shaft, the take-up pulley 41 rotates, only half of the first gear 42 is provided with gear teeth, the front servo motor 43 rotates clockwise, at the moment, the first half of the first gear 42 drives the second gear 44 to rotate so as to realize take-up action, when the first half of the first gear is rotated to the second half, the servo motor 43 on the rear side face rotates anticlockwise, the gear teeth on the first gear 42 on the rear side face are in contact with the second gear 44, the take-up pulley 41 is driven to rotate anticlockwise, the wire outlet action is realized, and the take-up and wire outlet frequencies correspond to the upper needle and the lower needle.

Example three:

the difference between this embodiment and the first embodiment is that:

reflector plate 17 is the arc reflector plate in this embodiment, be convenient for install the side at transverse bar 16, reflector plate 17 is the heat reflection glass reflector plate, heat reflection glass's infrared reflectance can reach 50%, the reflection intensity is high, be convenient for detect out the number of revolutions, alignment jig 32 includes linking arm and arc clamp plate, the flexible end at electric telescopic handle 35 is installed to the one end of linking arm, the other end of linking arm is arranged in to the arc clamp plate, the diameter of arc clamp plate is greater than branch 31's diameter, and be less than pressure disk 33's diameter, the side of extension board 31 is arranged in to the arc clamp plate, make things convenient for the horizontally to extrude pressure disk 33, avoid pressure disk 33 skew to produce the space, lead to silk thread 13.

When in use: threading silk thread 13, turning on an external power supply, starting a driving motor 9, driving a vertical rod 15 to rotate by an output shaft of the driving motor 9 through a bevel gear, driving a transverse rod 16 to rotate by the vertical rod 15 through the bevel gear, starting a rotating shuttle 19 to rotate, irradiating infrared rays onto the transverse rod 16 by an infrared reflection type sensor 18, obtaining the intensity of the infrared rays reflected by a reflector plate 17, obtaining the number of times of passing of the detected reflector plate 17, namely the number of rotating turns, comparing the number of the rotating turns with a predicted value of the number of turns needed by the silk thread exhaustion set by a singlechip 8, controlling an external warning bell to ring when the predicted value is close to a certain range, leading the silk thread 13 to pass through a tension sensor 11, feeding tension data back to the singlechip 8 by the tension sensor 11, controlling the electric telescopic rod 35 to extend and shorten by the singlechip 8, extruding two pressure plates 33, the servo motor 43 is opened, the servo motor 43 drives the first gear 42 to rotate, the first gear 42 drives the second gear 44 to rotate so as to drive the rotating shaft to rotate, the take-up pulley 41 rotates under the action of the rotating shaft, only half of the first gear 42 is provided with gear teeth, the servo motor 43 on the front side rotates clockwise, the first half of the first gear 42 drives the second gear 44 to rotate to realize the take-up action, when the first gear is rotated to the rear half of the second gear, the gear teeth on the first gear 42 on the rear side face are in contact with the second gear 44, the servo motor 43 on the rear side drives the take-up pulley 41 to rotate anticlockwise, the wire outlet action is realized, and the take-up and wire outlet frequencies correspond to the upper needle and the lower needle actions of the needle head 10.

It should be noted that the specific model of the single chip microcomputer 8 disclosed in this embodiment is siemens S7-200, the driving motor 9 may be a single-phase series motor manufactured by teng motor products ltd, which is available in dongguan, preferably has a rotation speed of below 21000 rpm, the electric telescopic rod 9 is an HT electric push rod manufactured by shatian, the servo motor 43 is SH-D08R, the tension sensor 11 is DHL3V, the infrared reflection sensor 18 is ST188, and the single chip microcomputer 8 controls the driving motor 9, the electric telescopic rod 35 and the servo motor 43 to operate by a method commonly used in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automatic thread feeding system of a self-correcting sewing machine, characterized in that: comprises a workbench (1), a wire collecting mechanism (4), a wire clamping device (3), a bottom wire detection device and a driving motor (9); the bottom of the workbench (1) is provided with four supporting columns, the left side of the bottom of the workbench (1) is provided with a rotating shuttle box (2), the rotating shuttle box (2) is rotatably connected with a transverse rod (16), the left end of the transverse rod (16) is connected with a rotating shuttle (19), the right end of the transverse rod (16) is connected with a vertical rod (15) through a bevel gear, the top end of the workbench (1) is connected with a sewing machine body, the sewing machine body comprises a machine head (5), a machine base (6) and a machine arm (7), the machine base (6) is arranged on the workbench (1), the machine arm (7) is arranged on the left side face of the machine base (6), the machine head (5) is arranged at the left end of the machine arm (7), a take-up lever (20) is arranged inside the machine head, the top end of the machine arm (7) is provided with two winding rollers (12) and a tension sensor (11), and the two winding rollers (12), a wire releasing rod (14) is arranged at the top end of the base (6); the take-up mechanism (4) is arranged at the top end of the machine head (5); the wire clamping device (3) is arranged on the machine base (6) and located near the wire laying rod (14), the wire clamping device (3) comprises a support rod (31), an adjusting frame (32), a pressure plate (33), a spring (34) and an electric telescopic rod (35), the support rod (31) and the electric telescopic rod (35) are arranged on the machine base (6), the adjusting frame (32) is installed at the telescopic end of the electric telescopic rod (35), the pressure plate (33) is provided with two pressure plates and is in sliding connection with the support rod (31), the spring (34) is sleeved on the support rod (31), and the spring (34) is located between the lower pressure plate (33) and the machine base (6); the bottom line detection device comprises a reflection sheet (17) and an infrared reflection type sensor (18), wherein the reflection sheet (17) is arranged on a transverse rod (16) and is positioned inside the rotating shuttle box (2), the infrared reflection type sensor (18) is arranged at the bottom end of the rotating shuttle box (2), and the reflection sheet (17) and the infrared reflection type sensor (18) are positioned on the same vertical plane; the driving motor (9) is arranged on the right side face of the base (6), and an output shaft of the driving motor (9) is connected with the vertical rod (15) through a bevel gear; wherein: still include silk thread (13) and singlechip (8), silk thread (13) pass cord grip (3), winding roller (12), tension sensor (11), admission machine (4), take-up lever (20) and syringe needle (10) in proper order, the leading flank of horn (7) is arranged in to singlechip (8), and the input of singlechip (8) is connected with tension sensor (11), infrared ray reflection-type sensor (18) and external power source's output electricity, and the output of singlechip (8) is connected with the input electricity of driving motor (9) and electric telescopic handle (35).

2. The automatic thread feeding system of a self-correcting sewing machine according to claim 1, wherein: take-up mechanism (4) include take-up pulley (41), first gear (42), servo motor (43) and second gear (44), the top of aircraft nose (5) is arranged in servo motor (43), and first gear (42) install the output shaft at servo motor (43), take-up pulley (41) rotate through the pivot and connect on the fixed plate on aircraft nose (5) top, and second gear (44) install the tip at the pivot, first gear (42) and second gear (44) intermeshing, the input of servo motor (43) is connected with the output electricity of singlechip (8).

3. The automatic thread feeding system of a self-correcting sewing machine according to claim 2, wherein: the take-up pulley (41) is a triangular prism take-up pulley, two take-up grooves are formed in the side face of the take-up pulley (41), and the silk threads (13) are wound on the side face of the take-up pulley (41).

4. The automatic thread feeding system of a self-correcting sewing machine according to claim 2, wherein: the first gear (42), the servo motor (43) and the second gears (44) are respectively provided with two groups and are respectively arranged on two side faces of the take-up pulley (41), the two second gears (44) are arranged at two end portions of the rotating shaft, and only half of the first gear (42) is provided with gear teeth.

5. The automatic thread feeding system of a self-correcting sewing machine according to claim 1, wherein: the pressure plate (33) is a circular truncated cone pressure plate, the diameters of the end parts close to each other of the two pressure plates (33) are smaller than the diameter of the other end of the pressure plate, and the spring (34) is a compression spring.

6. The automatic thread feeding system of a self-correcting sewing machine according to claim 1, wherein: the reflector plate (17) is an arc reflector plate, and the reflector plate (17) is a heat reflection glass reflector plate.

7. The automatic thread feeding system of a self-correcting sewing machine according to claim 1, wherein: the adjusting frame (32) comprises a connecting arm and an arc-shaped pressing plate, one end of the connecting arm is installed at the telescopic end of the electric telescopic rod (35), the arc-shaped pressing plate is arranged at the other end of the connecting arm, and the diameter of the arc-shaped pressing plate is larger than that of the supporting rod (31) and smaller than that of the pressing plate (33).