31results about "Thread-break detectors" patented technology

The utility model discloses a kind of clothing sewing machines with broken line detection function, comprising: equipment main body and auxiliary mechanism;Equipment main body includes sewing machine, mounting seat and sensor, the sensor is installed at mounting seat bottom, the sensor is installed to the outside of sewing machine by mounting seat;Auxiliary mechanism includes arc bottom plate, the position limiting baffle for limiting sewing thread and the adjusting push plate for adjusting the position of position limiting baffle, the utility model is by being provided with auxiliary mechanism, not only can be in sewing thread sewing process, the position of sewing thread is limited, avoid the position of sewing thread from deviating, while affecting sensor to sewing thread real-time monitoring result, on the other hand, the position of different size sewing thread can be limited when using, the limiting demand of different size sewing thread can be guaranteed by auxiliary mechanism, so as to carry out real-time monitoring to sewing thread.

The utility model relates to sewing machine accessory field, concretely is a detachable sewing machine wire rack. The wire rack includes the bottom plate of jack plug, and the jack plug is inserted and is connected the vertical rod and is fixed through the second locating plate, fixed peg, the vertical rod is covered and sets up the horizontal plate of liftable, and the horizontal plate bottom installs a plurality of wire guide mechanism. Wire guide mechanism contains the wire hook of bending, its vertical section is inserted into the horizontal plate and is locked through the first knob, and the bending section and the horizontal plate between the reserved threading gap, the wire hook end is equipped with the limiting board, and realizes the automatic reset closed threading mouth through the mounting shaft, torsional spring. The bottom plate surface is equipped with the fixed sleeve, and the locating pin is fixed and is placed the disc and the locating rod. The structure makes the wire rack whole detachable accomodation, and the limiting board prevents the sewing thread from separating from the wire hook when the line breaks down, reduces the repeated threading operation.

Sewing machine (10) with a vertical shuttle (20) and a center shuttle presser (22) arranged on a front side of the vertical shuttle (20), the sewing machine (10) comprising: a presser frame (30) which is movably held between a press position in which the center shuttle presser (22) is pressed and a retract position which is separate from the press position; an optical upper thread detector (60) which is provided on the presser frame (30) and is configured to detect the passage of an upper thread using detection light which passes through passage areas formed in the center shuttle presser (22) and crosses a front side of a bobbin case (24) of the vertical shuttle (20);and a stitch exit detection processor (90) which is configured to determine, based on an amount of light received from the detection light by the upper thread detector (60), whether the passage of the upper thread is present.

The technical scheme belongs to the technical field of template machines, and particularly relates to a needle rod device of a template machine, which comprises a rack, a needle rod, a needle head, a needle rod, a needle rod and a needle rod, the displacement mechanism is arranged on the machine frame, the displacement mechanism comprises a displacement driving part and a needle rod connector arranged at the output end of the displacement driving part, the front end of the needle rod connector is arranged outside the machine needle rod in a sleeving mode, and the displacement driving part drives the machine needle rod to move in a reciprocating mode in the needle inserting direction through the needle rod connector; the rotating mechanism is arranged on the machine frame, the rotating mechanism comprises a rotating driving part, the machine needle rod is arranged at the output end of the rotating driving part, and the rotating driving part is used for driving the machine needle rod to rotate with the axis of the machine needle rod as the center.

The utility model relates to the technical field of thread stands, and discloses a sewing machine thread stand which comprises a fixed disc and a thread rod movably installed in the middle of the top of the fixed disc, a thread guide frame is arranged on the right side of the thread rod close to the top, and a placing frame is arranged below the bottom of the thread guide frame. A plurality of trays are fixedly installed at the top of the placing frame at equal intervals, a cavity is formed in the position, close to the top, of the wire rod, through mutual cooperation of the threaded rod, the threaded sleeve, the guide plate, the guide rod, the worm gear, the worm and the hand wheel, the height of the wire leading frame and the height of the placing frame can be flexibly adjusted according to actual needs, and the using effect is better; the working efficiency of the sewing machine is effectively improved, through mutual cooperation of the positioning groove, the disc and the positioning bolt, positioning of the thread rod after angle adjustment can be achieved, it is avoided that the thread rod rotates at will, use of the sewing machine is affected, and the working efficiency of sewing is further improved.

The invention provides an upper thread anti-off sewing method of a sewing machine and the sewing machine. A thread passing notch and a first clamping part are arranged on a first thread trimmer of the sewing machine, a clamping assembly is further arranged, and the clamping assembly is provided with a second clamping part; comprising the following steps that before a first needle is sewed, a first thread trimmer stops at a working position A, and a thread passing notch is located under a machine needle; starting to sew a first needle, enabling a machine needle to move downwards, and driving an upper thread to pass through a thread passing notch and a sewing material; then the rotating shuttle hooks the upper thread, the machine needle ascends to the position above the first thread trimmer, and the upper thread is located in the thread passing notch; the first thread trimmer moves towards the clamping assembly to a working position B, the thread passing notch drives the upper thread in the thread passing notch to reach a second clamping part of the clamping assembly, the first clamping part and the second clamping part clamp the upper thread between the first clamping part and the second clamping part, and the first thread trimmer stops at the working position B; the machine needle completes follow-up sewing starting actions of a plurality of needles; when the first thread trimmer moves to the working position C, the first clamping part and the second clamping part loosen the upper thread.

This application relates to a thread breakage detection device, a sewing machine, and a thread breakage control method for sewing equipment. The thread breakage detection device includes: a detection component for detecting the thread breakage state and generating a breakage signal accordingly; a first drive component including a sewing machine spindle and a spindle motor connected in a transmission relationship, the spindle motor stopping upon receiving the breakage signal; and a second drive component including a fabric feeding mechanism driven by the sewing machine spindle and a needle pitch adjustment motor for changing the transmission relationship between the sewing machine spindle and the fabric feeding mechanism, the needle pitch adjustment motor changing the needle pitch accordingly based on the breakage signal. This application, by having the needle pitch adjustment motor change the needle pitch according to the breakage signal, ensures that the needle only penetrates the existing needle eye on the fabric, avoiding fabric damage and waste. It has advantages such as good adaptability, fast response, simple structure, and high production efficiency.

The invention relates to a guide structure of a double-needle machine applied to a garment fabric, relates to the technical field of garment processing equipment, and aims to reduce the problem of skew fabric threading. A guide structure of a double-needle machine applied to garment materials comprises a machine base used for bearing a machine body and a mounting base arranged on the machine base, and a fixing assembly used for fixing the relative position of the mounting base and the machine base is arranged on the mounting base; a rotating rod is rotationally arranged on the mounting seat, and a guide rod for guiding cloth routing is arranged at the end part, far away from the mounting seat, of the rotating rod; and an adjusting assembly for adjusting the steering angle of the rotating rod is arranged on the mounting seat. The method has the effect of improving the accuracy of the garment fabric routing processing position.

The application discloses a kind of servo type swing yarn leading and overlock device and method, device includes servo type yarn leading platform, swing yarn leading mechanism, tension compensation yarn supply mechanism and continuous overlock mechanism, the swing yarn leading mechanism and tension compensation yarn supply mechanism are installed on the servo type yarn leading platform, follow the current opening movement of servo type yarn leading platform with fabric;Continuous overlock mechanism and servo type yarn leading platform are respectively opposite to be arranged in the both sides of fabric, follow the yarn leading position along the width direction movement of fabric.The yarn leading platform can follow the current opening movement of fabric, the swing yarn leading mechanism is introduced from the long and narrow optimal opening position, and continuous overlock is completed via the continuous overlock mechanism, the whole process is yarned by the tension compensation yarn supply mechanism and controls yarn tension constant.The application solves the forming problem of the yarn leading, overlock of the large width, large thickness, high density of fabric, improves the production efficiency of fabric and the consistency of forming.

The invention provides mop cloth spinning equipment, and belongs to the technical field of spinning equipment.The mop cloth spinning equipment comprises a rack, a thread feeding mechanism, a cloth feeding mechanism, a needle inserting mechanism, a needle pulling mechanism, a needle hooking mechanism, a discharging mechanism and a driving mechanism, a cloth pressing plate is arranged on the rack, a thread dividing through opening is formed in the cloth pressing plate, and the needle inserting mechanism comprises inserting needles moving up and down in a reciprocating mode; the pulling needle mechanism comprises a pulling needle which reciprocates left and right and is used for being matched with an inserting needle to enable the weaving thread to form a cloth wool top on the cloth, and the bearded needle mechanism comprises a bearded needle which reciprocates front and back and reciprocates left and right and is used for being matched with the inserting needle to enable the weaving thread penetrating through the cloth to form a sewing knot, so that the cloth wool top is fixed to the cloth. The driving mechanism is used for driving all the mechanisms to operate. According to the equipment, automatic sewing of the mop cloth can be achieved, and compared with manual sewing, the sewing efficiency is greatly improved, and meanwhile the sewing quality is guaranteed.

This invention relates to the field of sewing machine technology, specifically to a sewing machine thread breakage detection, control, and emergency response system and its computer equipment. The system includes a thread breakage detection module comprising a photoelectric sensor, a tension sensor, a Hall effect speed sensor, and a visual recognition unit. It is used to collect and comprehensively identify the presence, tension changes, motion continuity, and morphology of the sewing thread in real time. This invention employs a multi-source detection architecture that deeply integrates photoelectric sensors, tension sensors, Hall effect speed sensors, and a visual recognition unit. Through contour detection algorithms, deep learning semantic segmentation technology, and a graded response mechanism for thread breakage and micro-damage, coupled with a multi-interface data storage and networking module, it solves problems such as high false alarm rates and delayed response in sewing machine thread breakage detection through multi-dimensional signal cross-validation, accurate identification of latent faults, differentiated emergency response, and full lifecycle data traceability. This improves the accuracy and reliability of thread breakage and fault detection in sewing machines.

The anti-winding device for the sewing machine head comprises a machine head body, an external plate is fixedly connected to the position, close to the center, of the front side of the machine head body, a fixing rod is fixedly connected to the front side of the external plate, a cylindrical roller is arranged on the outer side of the fixing rod in a sleeving and sliding mode, and the cylindrical roller is provided with a thread. A plurality of trapezoidal plates are arranged on the outer side of the cylindrical roller, and wire arranging grooves are formed in the outer sides of the trapezoidal plates. According to the anti-winding device for the sewing machine head, the external plate and the cylindrical roller fixedly connected with the external plate are arranged on the front side of the machine head body, and the trapezoidal plates and the wire arranging grooves are arranged on the outer side of the cylindrical roller, so that the movement path of a wire is effectively guided, and the wire can smoothly penetrate through the wire arranging grooves; according to the thread winding prevention device, the phenomena of drifting and knotting of threads in the sewing process are avoided, the thread management efficiency and stability are remarkably improved, the cylindrical roller and the trapezoidal plate are fixedly connected through the connecting strip, and a dynamically-adjusted thread winding prevention structure is formed.

The application provides a single-edge curved needle type three-dimensional composite material preform stitching head and a stitching method thereof, and belongs to the technical field of single-edge stitching. The stitching head comprises a rack, a lead mechanism, a hook mechanism, a synchronous transmission mechanism, a guide mechanism, a presser foot plate and a driving mechanism. The lead mechanism and the hook mechanism are both mounted on the inner side of the rack and are driven by a servo motor and a speed reducer to realize the reciprocating rotary motion of the lead needle and the hook needle on the fixed plane respectively. The synchronous transmission mechanism ensures the synchronous rotation of the cranks in the lead mechanism and the hook mechanism, and synchronous control can be realized by one servo motor. The guide mechanism guides the direction of the stitching line to ensure the stitching line tension and improve the efficiency of stitch formation. It can be seen that the application has compact structure and wide application range. The application can not only realize the stitching of the preform through the thickness, but also realize non-penetrating stitching and complete the laying and splicing to improve the production efficiency and the consistency of the product.

Provided are a thread tension adaptive method, a thread tension adaptive device and a coverstitch machine. The thread tension adaptive method comprises: when a needle starts to move from top to bottom, sewing threads slide on thread passage springs (2); when the needle continues to move downwards to pierce a fabric, the sewing threads disengage from the thread passage springs; during the process in which the needle continues to move downwards to the lowest point, the sewing threads slide on the thread passage springs; when the needle starts to move from bottom to top, the sewing threads slide on the thread passage springs; when the needle continues to move upwards, the sewing threads disengage from the thread passage springs; and when the needle continues to move upwards to return above the fabric, the sewing threads slide on the thread passage springs, thereby completing one stitching action. Compared with conventional thread take-up structures that pull sewing threads by means of needle bars, the present solution can accurately adjust the thread consumption required by the needle, thereby realizing adaptive thread tension adjustment.

The utility model belongs to the technical field of sewing machines, and particularly relates to a sewing machine thread stand which is characterized in that a vertical rod piece is installed on a table top, a height-adjustable thread supporting stand and a height-adjustable thread passing stand are arranged on the rod piece, the thread passing stand comprises a transversely-arranged thread passing rod, a thread guide clamp is clamped on the thread passing rod, a thread passing hole is formed in the thread guide clamp, and the thread passing hole is communicated with the thread supporting stand. According to the yarn guide frame, the yarn guide hole can be conveniently formed in the yarn guide rod through the yarn guide clamp, so that the yarn guide hole corresponds to a bobbin on the lower portion, the winding phenomenon of adjacent yarns is avoided, and the yarn guide frame is simple in structure, convenient to clamp and low in cost.

The utility model relates to a sewing machine with a rotatable machine head, which belongs to the technical field of sewing equipment, and comprises a cantilever, a connecting frame, a motor, a machine head, a threading structure and a restraining part for restraining a thread group, and the restraining part is arranged on the cantilever; the threading structure comprises an open hole formed in the cantilever and a threading pipe arranged on the machine head and used for threading, the open hole corresponds to the first center channel, the two ends of the threading pipe are the first end and the second end respectively, the first end of the threading pipe is matched with the open hole and used for guiding sewing threads to enter the machine head through the first center channel and the top of the machine head, and the second end of the threading pipe is matched with the second center channel. The second end of the threading pipe extends to the side face of the machine head and is used for leading out sewing threads from the side face of the machine head. According to the sewing machine, the turning radius of the machine head is smaller, the outer contour of the machine head is more regular, the rotational inertia can be effectively reduced, the sewing speed and safety can be improved, more stable pay-off can be achieved, and the better sewing effect can be achieved.

The high-strength anti-deformation aluminum casting for the bobbin case of the sewing machine comprises a bobbin case body, a penetrating groove is formed in the top of the bobbin case body, an anti-deformation assembly is arranged in the penetrating groove, the anti-deformation assembly comprises a sliding piece and an installation piece, a rectangular groove is formed in the inner side of the sliding piece, and the installation piece is arranged in the rectangular groove. The first guide wheel slides in the first guide rail, namely, the sliding piece slides back and forth in the through groove, the second guide wheel slides in the second guide rail, namely, the mounting piece slides back and forth in the mounting frame, and therefore the guide wheels continuously move on the through groove; the limiting wheels move according to the extending position of the rope, the limiting wheels rotate smoothly, namely the friction between the structure and the rope is reduced to the maximum extent through rotation of the two limiting wheels and movement of the guide wheel according to the extending position of the rope, and deformation of the structure is effectively avoided.

The transmission box comprises a box body, a driving shaft rotatably connected to one side of the box body, a thread tensioning mechanism, a thread shifting mechanism and a needle bending mechanism, wherein the thread tensioning mechanism comprises a thread guide, a thread tensioning rod and a first transmission assembly, the thread guide is provided with a thread guide hole, the thread tensioning rod is located beside the thread guide, the driving shaft can drive the thread tensioning rod to reciprocate up and down through the first transmission assembly when the driving shaft rotates, and the thread tensioning rod is provided with a thread tensioning hole; the thread shifting mechanism comprises a thread shifting hook and a second transmission assembly, the driving shaft can drive the thread shifting hook to reciprocate along the horizontal direction through the second transmission assembly when the driving shaft rotates; the needle bending mechanism comprises a needle and a third transmission assembly, the needle is provided with a thread passing channel extending along the length direction of the needle, and the driving shaft can drive the needle to move close to or away from the thread shifting hook through the third transmission assembly when the driving shaft rotates.

Provided is an anti-nest structure of a sewing machine. The problem that a bird nest phenomenon is prone to occurring in an existing common sewing machine is mainly solved. The device is characterized in that a first through hole (21) is formed in the shifting rod, a second through hole is formed in the machine needle, and silk threads sequentially penetrate through the first through hole and the second through hole; a first electronic yarn clamping device (51) is installed on the machine base and arranged on a line before the silk yarn reaches the deflector rod. According to the bird nest preventing structure of the sewing machine, when the sewing machine is started, the thread end at one end is tensioned, the deflector rod drives the thread at one end of the needle head to be recycled, the length of the thread end is shortened, and therefore a bird nest is prevented.

The objective is to provide a tatami mat sewing device capable of detecting thread breakage. [Solution] A tatami sewing device according to one aspect of the present invention is a tatami sewing device for sewing tatami mats, comprising a thread breakage prediction means for predicting thread breakage of the upper thread and / or lower thread sewing machine thread, wherein the thread breakage prediction means comprises a detection sensor for detecting the amount of thread used and a control means, and the control means comprises a thread breakage determination means which determines that thread breakage has occurred when the sum of the cumulative amount of thread actually used measured by the detection sensor and a predetermined predicted amount of thread used exceeds the initial set amount of thread.

The utility model relates to the technical field of quilting and embroidering machines, and discloses a quilting and embroidering machine roller supporting structure with a gap adjusting structure, which comprises a first plate body, a second plate body is arranged on one side of the first plate body, adjusting grooves are arranged in the first plate body and the second plate body, fixed rods are fixed at the top ends of threaded columns, and the fixed rods are fixed at the top ends of the threaded columns. And rotating blocks are fixed to the top ends of the fixing rods correspondingly, fixing holes are formed in the outer portions of the fixing rods correspondingly, and the fixing holes are formed in the top ends of the interiors of the first plate body and the second plate body. When the roller supporting structure is used, if the distance between the rollers in the roller supporting structure needs to be adjusted, the first mounting base, the second mounting base, the fixing rod, the threaded column and other assemblies are arranged, and when the rollers are mounted in the supporting structure, the roller supporting structure is convenient to adjust; due to the fact that the components are additionally arranged, the gap between the rollers can be conveniently and rapidly adjusted, the supporting structure can conveniently adjust the gap between the rollers, and the supporting structure is more convenient to use.

The utility model provides a thread trimming mechanism and a sewing machine, and belongs to the technical field of sewing machines. The problem that an existing thread trimming mechanism is prone to thread loosening is solved. The thread trimming mechanism comprises a fixed cutter and a movable cutter, the movable cutter is provided with a thread leading hole and a cutting edge capable of being matched with the fixed cutter to trim threads, the thread trimming mechanism further comprises a thread clamping piece capable of abutting against the movable cutter, the movable cutter is located between the thread clamping piece and the fixed cutter, and the face, facing the thread clamping piece, of the movable cutter is provided with a thread loosening face inclining towards one side of the fixed cutter in the direction from the thread leading hole to the cutting edge. The thread guiding hole and the thread loosening face are arranged at an interval, and when the fixed cutter makes contact with the cutting edge of the movable cutter, the thread clamping piece abuts against the position, between the thread loosening face and the thread guiding hole, of the movable cutter. According to the thread trimming mechanism, the trimmed thread end can be smoothly trimmed off while the thread can be prevented from falling off.

The utility model discloses a sewing machine thread breakage detection subassembly relates to sewing machine accessory technical field, the utility model discloses a pressure wheel seat, winding wheel and wheel seat cover, winding wheel rotation is installed between pressure wheel seat, and the upper end opening of wheel seat cover, and pressure wheel seat vertical sliding sleeve joint is in wheel seat cover, and the lower end fixedly connected with pressure spring of pressure wheel seat, and the lower end fixed sleeve of pressure spring has spring cover, and the lower end surface fixed mounting of spring cover has pressure sensor, and pressure sensor is connected with warning light through data line. The utility model discloses through the line winding through winding wheel, and winding wheel provides the tension to the line under the thrust of pressure spring, and the pressure spring provides the pressure to pressure sensor simultaneously, when appearing thread breakage, the line on winding wheel no longer provides the downward pressure for winding wheel, makes the pressure that pressure sensor feels change, and generates potential signal and passes to warning light, thereby making warning light light alarm, realizes the technical effect of real -time detection thread breakage situation and timely alarm.

The utility model discloses an auxiliary sewing device, which belongs to the technical field of auxiliary sewing tools and comprises a lower pressing plate, an upper pressing plate and a lower pressing plate, the upper pressing plate is arranged on the lower pressing plate and used for pressing cloth on the lower pressing plate or loosening the cloth, and the upper pressing plate is arranged at the edge of the lower pressing plate and the edge of the upper pressing plate and used for guiding a sewing thread. The needle guide structure enables needle pitches to be equal; a positioning structure for positioning the edge of the cloth and enabling the edge of the cloth to be parallel to a sewing thread and the distance between the edge of the cloth and the sewing thread to be constant is arranged on the edge of one side, far away from the guide needle structure, of the upper pressing plate. Through the combined design of the lower pressing plate, the upper pressing plate, the needle guide structure and the positioning structure, the sewing auxiliary device can firmly fix cloth with different thicknesses, effectively prevent the cloth from shifting in the sewing process, accurately guide a sewing thread to enable the needle pitch to be equal, and ensure that the edge of the cloth is parallel to the sewing thread and the distance is constant, thereby improving the sewing precision and efficiency and reducing the production cost. And a sewn product is neat in appearance and stable in quality.

The invention relates to the technical field of sewing machines, in particular to a thread breakage detection control and emergency response system of a sewing machine and computer equipment of the thread breakage detection control and emergency response system. The device is used for carrying out real-time acquisition and comprehensive identification on existence states, tension changes, movement continuity and sewing thread forms of sewing threads. According to the invention, a multi-source detection architecture in which a photoelectric sensor, a tension sensor, a Hall rotating speed sensor and a visual identification unit are deeply fused is adopted, a contour detection algorithm, a deep learning semantic segmentation technology and a broken line and micro-damage grading response mechanism are adopted, and a multi-interface data storage and networking module is matched; through multi-dimensional signal cross validation, accurate hidden fault identification, differential emergency disposal and full-life-cycle data tracing, the problems of high false alarm rate, response lag and the like of sewing machine thread breakage detection are solved, and the accuracy and reliability of sewing machine thread breakage and fault detection are improved.

The utility model discloses a coining assembly for a sewing machine, and relates to the technical field of sewing machine assemblies. A coining assembly for a sewing machine comprises a base plate and further comprises a guide ring which is connected with the base plate through a swing arm assembly and is perpendicular to the base plate, the guide ring is provided with a threading hole, and the base plate is provided with a positioning hole; the fine adjustment of the guide ring can be completed as required, so that the guide ring is more flexible to use.

The application relates to the field of toy production and provides an automatic thread changing device, which comprises a machine box and thread guiding mechanisms, thread cutting mechanisms and thread connecting mechanisms arranged on the machine box, at least two thread supply units are arranged on the machine box, the thread guiding mechanisms can move back and forth among the thread supply units, the thread cutting mechanisms are used for cutting the yarns pulled by the thread guiding mechanisms and forming first thread sections on the thread guiding mechanisms and second thread sections on the corresponding thread supply units, and the thread connecting mechanisms splice the first thread sections and the second thread sections into integrated yarns. The device can realize thread pulling, thread cutting and thread connecting, can be quickly adjusted and replaced according to different production requirements and product requirements, realizes flexible layout of a production line and quick adjustment of a production plan, and is especially suitable for sewing processes which need to frequently change threads. In addition, an automatic thread changing method is provided, and the method has the advantages of quick and stable thread changing.

The utility model relates to the technical field of sewing, in particular to a shapewear overlock device with a thread breakage automatic stop mechanism, which comprises an overlock machine, a thread stop mechanism and a clamping plate, and the thread stop mechanism and the clamping plate are arranged on the side wall of the overlock machine. The rotating assembly is arranged between the overedger and the clamping plate and is used for rotating the clamping plate; a limiting assembly is arranged on the side wall of the clamping plate and used for limiting the suture. According to the shapewear overlock device with the thread breaking automatic stop mechanism, the rotating assembly is arranged between the overlock machine and the clamping plate, the clamping plate can be quickly rotated downwards by moving a fixing rod on the rotating assembly, thread scraps clamped at a clamping opening of the clamping plate can be cleaned, and the convenience of cleaning the shapewear overlock device is improved; and meanwhile, limiting assemblies are arranged on the side walls of the clamping plates, the wire penetrates through limiting frames and limiting plates on the limiting assemblies, the wire can be clamped and hovered, and the stability of hovering of the wire is further improved.

The invention is applicable to the field of outdoor jacket production and manufacturing, and provides a continuous sewing assembly line processing device for outdoor jacket template production, which comprises a dynamic template positioning and conveying module, a sewing parameter intelligent self-adaptive module and a whole-process quality closed-loop feedback module, according to the automatic sewing system, accurate conveying of the sewing template is achieved through the adjustable positioning assembly and the closed-loop conveying unit, based on data of the template feature collection unit, optimal sewing parameters are output through the parameter calculation module, the sewing execution unit is controlled, sewing data are collected through the quality detection unit, parameters of a preorder module are corrected through the feedback regulation and control module, and the sewing quality is improved. According to the device, through organic combination of all the modules and a transmission structure, precise, intelligent and high-quality continuous sewing of the mountaineering jacket template is achieved, the production efficiency and the product percent of pass are remarkably improved, and the device is suitable for large-scale mountaineering jacket automatic production scenes.

The utility model relates to the technical field of sewing machinery, and discloses a quick thread changing mechanism of a sewing machine, which comprises a sewing machine, the sewing machine is composed of a table top, a machine head and a rack, the table top is used as an installation carrier of a storage assembly, and the machine head is used as an installation carrier of a bobbin, a thread changing assembly and a thread arranging assembly; and the line changing assembly is used for conducting line changing operation on the line barrel. By arranging the wire changing assembly, wire changing operation can be conveniently carried out on the bobbin in advance, the phenomenon of wire breakage or equipment shutdown caused by complete use of the bobbin is avoided, the wire changing operation is converted from passive interruption post-processing to active early warning post-preparation, the efficiency of wire changing of the bobbin is improved, quick wire changing operation on the bobbin is further achieved, the shutdown time is shortened, and the production efficiency is improved. And the production efficiency is improved, the practicability of the equipment is further improved, and actual application and operation are facilitated.