90results about "Thread-break detectors" patented technology

The sewing equipment comprises a sewing machine body, the sewing machine body comprises a machine needle and a presser foot, the sewing equipment further comprises a U-shaped workbench and a thread adjusting mechanism, the U-shaped workbench is used for bearing and fixing a voice coil damper assembly of the loudspeaker, and the voice coil damper assembly comprises a voice coil, a damper and a brocade silk thread; the presser foot is used for pressing down and fixing the damper on the U-shaped workbench; the thread adjusting mechanism comprises a thread adjusting rod, and the thread adjusting rod is used for upwards lifting the first section of the brocade silk thread; the machine needle is used for connecting preset connecting points of the brocade silk threads to the damper in a sewing mode, and the first section of each brocade silk thread protrudes upwards by a radian after sewing is completed. According to the invention, the brocade silk threads of the voice coil can be sewed and connected to the damper, so that the routing problem of the brocade silk threads is solved; the length of the brocade silk threads can be controlled, and the radian consistency of the brocade silk threads is controlled.

The invention discloses an upper thread sewing starting processing device and a sewing machine, and relates to the technical field of sewing machines, a needle plate assembly of the upper thread sewing starting processing device is provided with a needle plate hole, a thread grabbing plate and a thread clamping plate are movably assembled on the needle plate assembly, a thread trimmer is fixedly assembled on the needle plate assembly, the thread grabbing plate is provided with a thread grabbing hole, and the thread clamping plate is provided with a thread clamping head. The driving assembly is connected with the wire grabbing plate and the wire clamping plate and used for controlling the wire grabbing plate and the wire clamping plate to move. Wherein the moving route of the wire grabbing plate is a first route, and the moving route of the wire clamping plate is a second route; when the thread grabbing plate is located at the head end of the first route, the upper thread penetrates through the needle plate hole and the thread grabbing hole, and when the thread grabbing plate moves to the tail end from the head end of the first route, the upper thread is clamped by the thread clamping head and then cut off by the thread trimmer; when the thread clamping plate is located at the tail end of the second line, the thread clamping head loosens the upper thread. According to the upper thread sewing starting processing device, the upper thread can be clamped, cut off and loosened in one-time movement in the sewing starting stage, the movement process is simplified, and the sewing quality is improved.

The utility model discloses an upper thread supply mechanism of a sewing machine, and relates to the technical field of sewing machines. The sewing machine is provided with a machine arm, a main shaft motor is arranged on the machine arm, the main shaft motor is in locking connection with a main shaft to drive the main shaft to rotate, and the upper thread supply mechanism of the sewing machine comprises a driving motor, a thread take-up lever, a thread passing hook and other components. The upper thread feeding mechanism of the sewing machine is additionally and independently provided with the driving motor as an independent driving source, so that the situation that the control relation between the upper thread feeding mechanism and the movement of the main shaft is complicated due to the fact that the movement of the take-up lever is controlled by the rotation of the main shaft motor is avoided. The upper thread feeding mechanism solves the problem that in the prior art, the thread taking-up amount of the upper thread feeding mechanism is difficult to adjust rapidly according to the type of fabric.

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 discloses a thread locking mechanism, which relates to the technical field of intelligent quilting machines and comprises a thread locking mechanism fixing plate, an air pipe joint is arranged at the top of the thread locking mechanism fixing plate, a thread pressing cap component is arranged at the bottom of an inner cavity of the thread locking mechanism fixing plate, and the bottom of the air pipe joint penetrates through the thread locking mechanism fixing plate to be connected with the thread pressing cap component. The end, away from the wire locking mechanism fixing plate, of the air pipe connector can be connected with equipment such as an air pump, then the wire pressing action is controlled through air pressure, automatic control can be achieved, the wire pressing position is expanded, and therefore the wire pressing stability and efficiency are improved.

The utility model discloses a thread pressing mechanism of a multi-needle machine. The thread pressing mechanism comprises a thread pressing frame and a rapid threading assembly. A wire pressing seat is arranged in the middle of the wire pressing frame through the telescopic end of an electric-hydraulic push rod, wire guiding seats are arranged at the front end and the rear end of the wire pressing frame, and wire guiding grooves which are evenly distributed are formed in the lower sides of the wire guiding seats and the wire pressing seat; the rapid threading assembly comprises grooves, telescopic columns, plugging seats and arc-shaped chamfers, the grooves are uniformly formed in the lower sides of the wire guiding seats and the wire pressing seats, the grooves are communicated with the adjacent wire guiding grooves, the plugging seats are arranged in the grooves through the telescopic ends of the symmetrically distributed telescopic columns, and the arc-shaped chamfers are arranged in the plugging seats. According to the thread pressing mechanism of the multi-needle machine, the elastic closing opening is formed, the elastic closing opening is opened through cambered surface contact and extrusion and automatically and elastically closed, therefore, weaving threads can rapidly penetrate into the thread guide grooves of the thread pressing mechanism, operation is convenient, the thread pressing efficiency is improved, and the thread pressing mechanism is suitable for large-scale popularization and application. The influence of the diameter of the weaving thread and the fluffing of the weaving head is small.

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 invention relates to a template machine, and belongs to the technical field of sewing equipment, the template machine comprises a central shaft, a guide pipe, an upper joint and a lower joint, the central shaft is internally provided with an air channel and a thread channel, the side surface of the central shaft is provided with an air inlet part and an air outlet part, the central shaft penetrates through the central channel, the upper joint is provided with a first interface, and the central shaft is sleeved with the upper joint in a sealing manner; the first interface is communicated with the air inlet part; the second joint is provided with a second interface, the second joint is arranged on the central shaft, and the second interface is communicated with the air outlet part; the thread coil is arranged on the cantilever, and a sewing thread enters the thread channel from the upper part of the machine head; the guide pipe is arranged in the machine head and connected with the central shaft, and the lower end of the guide pipe extends to the side face of the machine head; according to the template machine, an integrated solution of power supply, air supply and thread supply of the rotating machine head is provided, the sewing speed and the sewing effect are improved, the assembly structure is simpler, the needed assembly space is smaller, the cost is lower, and the market requirement is better met.

The utility model relates to the technical field of sewing equipment, in particular to a high-toughness sewing thread polyester silk threading device which comprises a mounting plate, a thread guide assembly capable of shaking up and down along with intermittent tightness of a sewing thread is arranged on the front side of the top of the mounting plate, and a liquid collecting box is fixedly connected to the rear side of the top of the mounting plate. The top of the liquid collecting box is fixedly connected with a liquid storage box through a supporting rod, the bottom of the liquid storage box is fixedly connected with a wire sleeve, the top in the wire sleeve is communicated with the lower portion in the liquid storage box through a pipeline, a sponge is arranged in the wire sleeve, and a sewing thread penetrates through the center of the sponge for lubrication. By arranging the thread guide sleeve and the sponge structure, the polyester sewing thread can be continuously and uniformly lubricated, so that friction between the sewing thread and the thread guide wheel is reduced, the sewing effect is ensured, in addition, circulation of lubricating liquid is driven by the elasticity change of the sewing thread during working, an extra power source is not needed, and the production cost is reduced. Therefore, the system has good energy-saving and environment-friendly properties.

The utility model relates to the technical field of five-thread overedgers, and discloses a five-thread overedger with an adjustable tailstock, which comprises a mounting panel, a first adjusting component, a second adjusting component, a third adjusting component and a fourth adjusting component, and the first locking assembly is arranged on the outer side of the annular sleeve and used for increasing the dismounting speed of the pay-off assembly and the pay-off assembly. Height adjustment and angle adjustment are conducted on the thread stand through the first adjusting assembly and the second adjusting assembly according to actual conditions, so that a silk thread is driven to be in a tightened state all the time, the silk thread has a more suitable thread inlet angle, sewing work of an overedger body at different heights and different angles is facilitated, and the sewing efficiency is improved. The functionality of the overedger in a special scene and the practicability of the thread stand are expanded; and by arranging the first locking assembly and the second locking assembly, disassembly and assembly of the pay-off assembly, the wire outlet assembly and the wire guide assembly are facilitated, and quick disassembly and quick assembly between the wire frame assemblies are facilitated.

The utility model discloses a yarn feeder mechanism for sewing tubular fabrics, which comprises a yarn feeder rod and a yarn feeder, the yarn feeder is fixed at the front end of the yarn feeder rod, and a sewing thread can penetrate out of the yarn feeder; the yarn feeder further comprises a yarn feeder rod support, a yarn feeder rod supporting piece is arranged in the yarn feeder rod support, and the yarn feeder rod supporting piece is cylindrical and is matched with the yarn feeder rod support in a rotating mode. A through hole is formed in the radial direction of the yarn feeder rod supporting piece, and the yarn feeder rod penetrates through the through hole and is in sliding fit with the yarn feeder rod supporting piece; the middle part of the yarn feeder rod is arranged in the yarn feeder rod supporting piece in a penetrating manner; and the tail part of the yarn feeder rod is eccentrically and movably connected to the yarn feeder rod driving wheel. The suture needle is suitable for the scheme that only one needle is used for suturing, the movement of the suture needle can be ensured to be inevitably intersected with the track surface of the suture, and the suture is smoothly hooked.

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 discloses a sewing device for intelligent carbon fiber electric heating cloth, and aims to provide the sewing device for the intelligent carbon fiber electric heating cloth, which integrates multiple functions and has good processing and using effects. Comprising a rack, a sewing thread shaft and a heating thread shaft are installed on the top of the rack, a sewing assembly and a thread cutting assembly are installed on the side wall of the rack, a sewing thread of the sewing thread shaft and a heating thread of the heating thread shaft are connected with the sewing assembly, and the heating thread of the heating thread shaft corresponds to the thread cutting assembly. The electric heating wire sewing device has the advantages that the sewing assembly used for sewing and fixing the heating wire and the wire cutting assembly used for cutting the electric heating wire are integrated in the electric heating wire sewing device, multifunctional integration is achieved, and the automation degree is improved; the first adjusting lead screw and the second adjusting lead screw are adopted to drive the movable outer frame and the movable inner frame to move correspondingly, the heating wires are fixed in cooperation with sewing of the sewing assembly, and the machining effect is improved.

The utility model relates to a thread stand structure on a sewing machine, which comprises a supporting column and a thread passing cross rod group arranged on the supporting column, the thread passing cross rod group comprises a bobbin cross rod and a thread guide cross rod, and the thread guide cross rod is provided with a first thread guide hole. Each of the bobbin cross rod and the wire cross rod comprises at least two first rod bodies, at least two second rod bodies and at least two third rod bodies, the first rod bodies and the second rod bodies are arranged in parallel, the third rod bodies are connected with the first rod bodies and the second rod bodies, mounting holes and open grooves are formed in the third rod bodies, the supporting columns are inserted into the mounting holes, and locking assemblies are arranged on the rod bodies. The locking assembly can adjust the clamping force of the rod bodies on the two sides of the open groove so that the transverse rod can tightly hold the supporting column or loosen the supporting column. By the adoption of the technical scheme, according to the thread stand structure on the sewing machine, the thread passing transverse rod set and the supporting column are convenient and fast to disassemble and assemble, the bobbin transverse rods and the thread guiding transverse rods can be provided with a plurality of parallel rod bodies, and therefore the number of bobbins is increased, and the height of the supporting column does not need to be increased.

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 relates to the technical field of textile processing, and discloses a yarn carding device for hemming sewing processing, which comprises a workbench, a base is arranged on one side of the upper surface of the workbench, a first thread stand is arranged on the upper surface of the base, and second fixing rings are symmetrically arranged in the middle of the outer wall of the first thread stand. A sliding groove is formed in the second fixing ring, first rotating shafts are symmetrically and slidably connected into the sliding groove of the second fixing ring, second pawls are arranged on the outer walls of the first rotating shafts, second ratchet wheels are arranged at one ends of the second pawls, and the middle portions of the second ratchet wheels are fixedly arranged on the outer wall of the first coil holder. Flexible adjustment of related structures of the coil holder is achieved through cooperation of the second pawl and the second ratchet wheel and the coil holder. The angle of the yarn wheel frame can be changed according to actual requirements, so that the position of a bobbin placed on the tray can be correspondingly adjusted, and the phenomena of winding and knotting of yarns in the conveying process are effectively reduced. The problem that the coil holder cannot be adjusted is solved.

The invention discloses a single-needle-driven double-layer lap joint splicing device and a sewing method thereof, and belongs to the technical field of textile. The transmission module, the thread picking module and the thread guiding and hooking module are synchronously controlled through the driving module, so that the modules are highly coordinated, and the problems of mesh hooking, stitch disorder and the like caused by synchronous errors of a traditional multi-power source are solved; the staggered distribution design of the thread guiding curved needle and the fixed thread hooking needle is matched with the protruding structure of the needle point of the thread guiding curved needle to assist knocking-over, hooking and pulling damage to regular meshes of the metal mesh can be reduced, and the splicing strength can be guaranteed through the accurate coil sleeving action; and through combination of passive regulation and active regulation, the stability of the splicing quality is remarkably improved. The single-needle-driven double-layer lap joint splicing device is simple in structure, excellent in movement synergy and controllable in tension, and splicing precision, structural integrity and production efficiency are improved.

The utility model relates to the technical field of clothing production parts, and discloses a cloth sticking combined folder for clothing making, which comprises a limiting plate component, a convenient storage plate component is mounted at the bottom of the limiting plate component, adjusting components are mounted on two sides of the convenient storage plate component, clamping components are mounted at the tail ends of the adjusting components, and the clamping components are mounted at the tail ends of the clamping components. And a lead assembly is mounted at the top of one side of the clamping assembly. The portable storage plate assembly is additionally arranged on the device, so that when the device is used, the device can be conveniently stored through the assembly after being used, large occupied space can be avoided, and the device can be well protected; and abrasion generated during storage is avoided.

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.

The present invention provides an automatic feeding sewing machine, comprising a computer sewing machine; further comprising a feeding device arranged at one side of the computer sewing machine; the computer sewing machine is provided with a thread breakage detector; the feeding device comprises a bottom plate and a material rack and a pushing device mounted on the bottom plate; the material rack comprises a base frame, six limiting members and an adjusting member; the six limiting members are designed to be distributed around and are mounted on the base frame so as to be positionally adjustable inwards and downwards as well as upwards and downwards through the adjusting member; a feeding port is reserved at the bottom of the limiting member; the pushing device comprises a pushing drive device and a pushing block; the pushing block is arranged at one side of the feeding port; the pushing drive device is fixed on the bottom plate and a power output end is connected to the pushing block to drive the pushing block to move toward one side of a workbench of the computer sewing machine, which reflects that the present invention has high working efficiency, is easy to use and is highly safe.

The utility model discloses an auxiliary threading mechanism of a sewing machine, which comprises a sewing machine shell, a guide hook, a guide plate, a take-up lever and a guide slider, the guide hook, the guide plate and the take-up lever are arranged on the sewing machine shell, the lower end of the guide plate is provided with a guide tip protruding out of the sewing machine shell, and the guide slider is slidably arranged on the outer surface of the sewing machine shell. The outer surface of the sewing machine shell is provided with an identification path for indicating the movement direction of the guide sliding block, the guide sliding block is provided with a connecting part, during threading, one end of a sewing thread is connected with the connecting part, and the guide sliding block is moved to drive the connecting part to sequentially pass through the guide plate, the guide tip part and the take-up lever along the identification path; the sewing upper thread threading device can assist an operator in correctly threading the sewing upper thread. The sewing upper thread threading device has the advantages that the sewing upper thread can be sequentially wound on the guide tip part and the thread take-up lever.

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 utility model discloses a yarn guide frame of a bar tacking machine, which relates to the technical field of bar tacking machines and comprises a bottom plate, a powerful magnetic plate is inlaid at the bottom of the bottom plate, a plurality of screws are arranged on the upper side of the bottom plate at equal intervals, a bobbin placing disc is rotatably sleeved at the bottom of the bottom plate, and limiting conical blocks are sleeved on the screws in a threaded manner; the lower end of the vertical rod plate is connected with the right end of the upper side of the bottom plate, the vertical rod plate is slidably sleeved with a plate sleeve, a locking knob is embedded in the right side of the plate sleeve in a threaded mode, a wire guide plate is fixed to the left side of the plate sleeve, and mounting holes are formed in the positions, corresponding to the positions over the screws, of the wire guide plate; and a pair of wire guide wheels are movably nested in the mounting holes. According to the utility model, the installation is simple and convenient, the limiting conical block is arranged on the screw rod, and after the wire cylinder is sleeved on the screw rod, the limiting conical block is sleeved on the screw rod in a threaded manner, so that the wire cylinder is limited, and the wire cylinder is prevented from being separated from the screw rod under the pulling of a wire.

The invention relates to a thread stand structure on a sewing machine, the thread stand structure comprises a support column and a thread passing cross rod group, the thread passing cross rod group comprises a thread guide cross rod and a bobbin cross rod, the thread guide cross rod is arranged above the bobbin cross rod, a thread column detachably connected with the bobbin cross rod is arranged on the bobbin cross rod, and the thread guide cross rod is arranged on the support column. Mounting holes and open grooves communicated with the mounting holes are formed in the wire cross rod and the bobbin cross rod, the supporting columns are arranged in the mounting holes in a penetrating mode, locking assemblies are arranged on the wire cross rod and the bobbin cross rod, and the locking assemblies can adjust the clamping force of the cross rods on the two sides of the open grooves so that the wire passing cross rod sets can tightly hold the supporting columns or loosen the supporting columns. Therefore, the wire passing cross rod group and the supporting column can be assembled or disassembled. By the adoption of the technical scheme, according to the thread stand structure on the sewing machine, the thread passing transverse rod set and the supporting columns are convenient and fast to disassemble and assemble, meanwhile, the supporting columns are arranged in a segmented mode, storage and transportation are convenient, and space is saved.

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 utility model provides a sewing machine right thread hook, a thread passing mechanism and a sewing machine, the right thread hook comprises a fixed part and a thread path extension part, and the thread path extension part is arranged on the fixed part; the upper thread is arranged in the thread channel extension part in a penetrating manner, and the position of the upper thread relative to the fixed part is variable, so that the upper thread is in a vertical state. According to the right thread hook of the sewing machine, the thread passing mechanism and the sewing machine, the thread containing range of the thread passing portion on the thread channel extension portion comprises the movement range of the thread clamping face of the large thread clamping device and the movement range of the thread passing hole of the take-up lever, when sewing work is carried out, an upper thread can swing on the thread passing portion, the upper thread is made to be located at the low-tension position all the time, the variation amplitude of tension is reduced, and the sewing efficiency is improved. The stress condition of the large thread trapper is improved, the upper thread stability is improved, and therefore the problems of thread throwing, thread breaking and the like are reduced.

The utility model relates to the technical field of sewing equipment, in particular to multifunctional sewing equipment which comprises a sewing machine body, a fixing block is fixedly connected to one side of the upper end face of the sewing machine body, and a fixing plate is fixedly connected to one side of the middle of the end face of one side of the fixing block. Fixing columns are fixedly connected to the two sides of the middle of the upper end face of the fixing plate, a wire separating wheel is rotationally connected to the middle of the end face of one side of the fixing block, a supporting seat is fixedly connected to one side of the middle of the upper end face of the fixing block, a wire combining roller is rotationally connected to the upper end of the supporting seat, and a wire guide groove is formed in the outer wall of the wire combining roller. The utility model can effectively solve the problems that the overall sewing efficiency is not high and the tightness of the wire harness is difficult to guarantee when the thread combination sewing is needed in the prior art.

The utility model relates to the technical field of carpet processing, in particular to a shaping device for carpet processing, which comprises a hand pressing plate and a connecting piece arranged on the hand pressing plate, and further comprises a lower shell, a coil assembly arranged on the connecting piece, a lead assembly arranged on the lower shell and a coil arranged on the lead assembly. The connecting piece is arranged on the hand pressing plate, the needle head is arranged on the hand pressing plate and fixedly connected with the hand pressing plate, the rivet is arranged on the hand pressing plate, the cloth pressing plate assembly is arranged on the connecting piece, the discharging plate is arranged in the lower shell, and the elastic assembly is arranged on the hand pressing plate. The carpet sewing machine can be used anytime and anywhere by a user, sewing can be completed only by pressing the hand pressing plate during use, operation is simple and easy to operate, the carpet sewing machine is provided with the rivet, the length of the needle head is adjusted according to carpets with different thicknesses, the carpet sewing machine is suitable for the carpets with different thicknesses, and the use range of the carpet sewing machine is greatly widened.