36results about "Spool-pin assemblies" patented technology

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.

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 utility model provides a lockstitch sewing machine for clothing processing, and belongs to the technical field of machinery. The problem that in the prior art, applicability is poor is solved. The lockstitch sewing machine for clothing processing comprises a base, a workbench, a threaded rod, a connecting frame, a thread passing frame and a positioning assembly, the workbench and the base vertically face each other, a threaded barrel is fixedly connected to the middle of the base, one end of the threaded rod is in threaded connection with the interior of the threaded barrel, and the other end of the threaded rod is rotationally connected to the lower portion of the workbench; a mounting cavity is formed in the workbench, a motor is fixedly connected into the mounting cavity, the output end of the motor is connected with a threaded rod, four guiding pieces are fixedly connected between the base and the workbench and arranged at the four corners of the base and the four corners of the workbench correspondingly, and a containing area is arranged on the left side of the workbench. The right side of the workbench is an operation area. The lockstitch sewing machine for clothing processing is high in applicability.

The utility model belongs to the technical field of industrial sewing machines, and particularly relates to an industrial sewing machine. The sewing machine body is arranged on the workbench and located on the other side of the workbench; the mounting frame is arranged on the workbench, and a limiting cylinder used for winding a sewing thread is arranged in the middle of the mounting frame; the placing structure is arranged at the top of the mounting frame and is used for sleeving and fixing the bobbin; wherein the placing structure comprises a sleeving assembly and a fastening assembly, and the fastening assembly is arranged to be capable of gradually expanding the sleeving assembly when the fastening assembly is gradually screwed. The placement structure has the beneficial effects that the sleeving assembly and the fastening assembly are combined, and the fastening assembly is designed to be capable of pushing the sleeving assembly to be gradually expanded in the gradual screwing process, so that the sleeving assembly is tightly attached to the inner wall of the bobbin. By means of the design, the installation process is simplified, stable installation of the bobbin can be achieved by directly screwing the fastening assembly, the installation efficiency is greatly improved, and operation steps are reduced.

The utility model relates to the technical field of sewing machines, in particular to a single-needle sewing machine feeding direction correcting device which comprises a garment processing table, a machine base is fixedly installed on the garment processing table, a single-needle sewing machine is installed on the machine base, and a feeding direction correcting mechanism is arranged on the outer side of the single-needle sewing machine. The feeding direction correcting mechanism comprises a mounting bottom plate, a bending side plate is mounted on the side edge of the mounting bottom plate in a threaded connection mode, a first guide wheel, a second guide wheel and a third guide wheel are sequentially mounted on the mounting bottom plate and the bending side plate, a mounting groove is formed in the upper side of the mounting bottom plate, a fixing column is fixedly mounted in the center of the inner side of the mounting groove, and a sliding groove is formed in the upper side of the fixing column. By means of the feeding direction correcting mechanism, when the single-needle sewing machine stops working, the stranding cylinder can immediately stop autorotation caused by inertia, looseness in a thread feeding line is prevented, the defect of thread winding is further avoided, and practicability of the single-needle sewing machine is improved.

The invention relates to the technical field of shoe and clothing processing, in particular to a thread stand for shoe and clothing sewing equipment, which comprises a mounting frame, a bottom rod and a top rod, the inner end of the bottom rod and the inner end of the top rod are both fixed on the side wall of the mounting frame, the bottom rod and the top rod are both arranged along the horizontal direction and are parallel to each other, and a tray and a mounting cylinder are arranged on the bottom rod. The mounting cylinder penetrates through the bottom of the tray and can be matched with an inner hole of the bobbin, an ejection assembly which can penetrate through the cylinder wall of the mounting cylinder and abut against the inner wall of the bobbin is arranged in the mounting cylinder, a pulley for a sewing thread on the bobbin to bypass is rotationally arranged on the ejector rod, and a transmission assembly is arranged between the pulley and the ejection assembly. The ejection assembly can be driven by the transmission assembly to move towards the inner wall of the bobbin until the ejection assembly abuts against the inner wall of the bobbin. During sewing, along with continuous reduction of sewing threads, the pulley drives the ejection assembly to slowly move out of the mounting cylinder through the transmission assembly to abut against the inner wall of the bobbin, the bobbin is prevented from shaking, and the sewing routing stability is improved.

The utility model relates to the field of four-thread overlock machines, and discloses a cloth overlock width-adjustable four-thread overlock machine which comprises a base, the top of the base is fixedly connected with a four-thread overlock machine body, a sewing needle is arranged on the four-thread overlock machine body, a guide plate is movably arranged on the top of the base, and the guide plate is fixedly connected with the four-thread overlock machine body. A precise adjusting mechanism is arranged between the guide plate and the base, and a thread stand mechanism used for placing sewing threads is arranged at the top of the four-thread overlock machine body. The sewing machine has the following advantages and effects that the width of the overlock can be effectively and accurately adjusted through the accurate adjusting mechanism, diversified production requirements of garment factories can be met, the quality and attractiveness of garments are ensured, four sewing thread rolls can be conveniently limited and placed through the thread stand mechanism, it is ensured that sewing threads are smoothly provided, and the production efficiency is improved. The smoothness of four-thread overlock sewing is improved, and meanwhile, the sewing thread coil is convenient to disassemble, assemble and replace.

The utility model relates to the technical field of overedgers, in particular to a numerical control automatic thread trimming overedger which comprises an overedger body, a control panel, a sewing device, a shell, an electric push rod, a push block and a positioning plate, the control panel is arranged on one side of the upper portion of the overedger body, and the sewing device is installed on the bottom edge of the other side of the upper portion of the overedger body. A shell is arranged on the side wall face of the middle of the overedger body, an electric push rod is installed on one side of the upper portion in the overedger body, a push block is arranged on a driver of the electric push rod, and a positioning plate is arranged on one side of the push block. The push block is driven by the electric push rod to move downwards, the positioning plate is pressed on cloth, it is ensured that the position of the cloth is fixed, automatic positioning is achieved, and manual intervention is reduced; along with rotation of the rotating shaft, the protruding block slides and rotates along the guide rail of the guide rail plate, finally the blade is driven to cut a suture, automatic suture trimming is achieved, and complexity and inaccuracy of manual suture trimming are avoided.

The utility model provides a sewing machine casing, which comprises a main body and a support, the main body is fixed on the support, a placing groove is arranged on the support, a placing seat is rotatably connected in the placing groove, a support rod is fixedly connected on the placing seat, the placing seat and the support rod are coaxially arranged, and the main body is fixed on the support. A mounting hole is formed in the supporting rod in the axial direction of the supporting rod, a pressing rod is slidably connected into the mounting hole, sliding holes communicated with the mounting hole are formed in the side wall of the supporting rod, the multiple sliding holes are evenly distributed along the axis of the supporting rod, abutting rods are slidably connected into the sliding holes, rubber pads are fixedly connected to the abutting rods, and the rubber pads are fixedly connected to the supporting rod. The rubber pad abuts against the inner wall of the bobbin, the pressing rod moves in the direction away from the support, the abutting rod is made to move in the direction close to the bobbin through the elastic structure, and the purpose of replacing the bobbin conveniently is achieved.

The utility model discloses a thread stand for a bar tacking machine, which comprises a base, the base is rotatably connected with a rotary table, and a tower-shaped thread coil is connected above the rotary table in a press fit manner; the rotary table comprises a first telescopic rod, the two sides of the first telescopic rod are rotationally and slidably connected with rotary pressing plates, clamping blocks are rotationally connected to the lower portions of the rotary pressing plates, the bottom of the first telescopic rod is fixedly connected with two guide plates, one guide plate is rotationally and slidably connected with a first connecting rod, and the end, away from the guide plate, of the first connecting rod is rotationally and slidably connected with a first elastic column; the annular bottom plate downwards presses the first elastic column, the first elastic column drives the first telescopic rod to move upwards, the rotary pressing plate is driven to clamp and press the inner ring, the inner ring is clamped and pressed through the rotary pressing plate, the inner ring is clamped and pressed through the rotary pressing plate, and the inner ring is clamped and pressed through the rotary pressing plate. The first telescopic rod drives the second connecting rod to drive the fixed rod to move outwards while moving upwards, and the second elastic column extends out and is clamped on the outer wall of the rotary table, so that the stability of the coil holder is improved.

The utility model relates to the field of sewing machines, and discloses a folding thread spinning top support which comprises a first bottom plate, the top end of the left side of the first bottom plate is movably connected with a second bottom plate through a hinge, the bottom end of the right side of the first bottom plate is movably connected with a third bottom plate through a hinge, and the rear end of the first bottom plate is fixedly connected with a fixing pile. A plurality of groups of vertical columns are arranged; the supporting rod assembly comprises a plurality of groups of supporting rod bodies; and the wire guide assembly comprises a top cap and a triangular block, and a plurality of groups of wire passing hooks are fixedly mounted at the bottom end of the triangular block. The first bottom plate and the second bottom plate are arranged, and the first bottom plate and the third bottom plate are movably connected through the hinge, so that the whole support can be folded along the hinge shaft when not used, the size is greatly reduced, storage, transportation or carrying are convenient, the support is particularly suitable for family workbenches or moving scenes with limited space, operation is easy and convenient, and the practicability is high. The unfolding is fast.

The utility model discloses a thread stand structure for a bag sewing machine with backstitching and back stitching functions, and belongs to the technical field of bag sewing machines. Comprising a fixing table and a supporting rod, and the supporting rod is fixedly connected to the rear end of the upper side of the fixing table. The device has the advantages that the abutting plate is rotated to be vertically upward, the outer end of the sleeve rod is sleeved with the bobbin, then the sleeve rod is rotated to enable the outer side, located on the first threaded rod, of the sleeve rod to move downwards, meanwhile, the fixing ring moves downwards to push the abutting plate outwards, and after the abutting plate is rotated to the position where the upper end of the abutting plate abuts against the inner side of the bobbin, the pressing ring on the outer side of the sleeve rod is rotated; the thread guiding ring is arranged on the tray, so that the thread guiding ring is moved to the upper end of the bobbin, the bobbin on the tray is fixed between the tray and the pressing ring, then a part of the thread at the outer end of the bobbin is pulled out to penetrate through the thread guiding ring and then is connected into the bag sewing machine for use, and after the bobbin is fixed in the installation mode, the thread at the outer end of the bobbin can be pulled upwards; when the bobbin is subjected to upward dragging force, the bobbin is blocked by the pressing ring and cannot be separated from the upper end of the tray.

An exemplary embroidery accessory for a sewing machine includes a fixed support attached to the sewing machine and a rotating support rotatably attached to the fixed support. A drive mechanism rotates the rotating support relative to the fixed support, and a spool supported by the rotating support receives and dispenses a length of embroidery material. A removable guide is removably attached to the rotating support and includes a sewing guide with a needle aperture for receiving a needle of the sewing machine and at least one guide for guiding the length of embroidery material from the spool to the sewing guide.

The invention belongs to the technical field of garment sewing overlock machines, and particularly discloses a household overlock machine which comprises a base plate, a limiting assembly, a thread feeding structure and a pressing assembly, a rack is fixed to the right side of the top end of the base plate, a cross beam is transversely erected above the rack, a machine head is installed at the lower left corner of the cross beam, and a pressing block is installed below the machine head; a hand wheel is installed on the right side of the rack, and a limiting assembly limiting rotation of the hand wheel is installed at the upper right corner of the base plate. According to the household overlock machine, a sleeve wound with a cotton thread is connected to a limiting rod in a sleeving mode, a thread body of the cotton thread penetrates through an insertion hole in a sliding block and then enters a machine needle of a machine head through a first rotating wheel, a second rotating wheel and a guide block for sewing, the sliding block is shifted left and right along a rail in advance according to the toughness of the thread, and then the sliding block is locked on a hole through a second bolt; therefore, tension for drawing the cotton thread is increased or reduced in advance, twisting and knotting of the cotton thread are prevented, the problem that the thread body lacks limiting is solved, and the device is worthy of application and popularization.

The utility model relates to the technical field of garment processing, in particular to a bobbin hanger for garment processing, which comprises a vertical frame and a bobbin frame, a plurality of mounting holes are symmetrically arranged on two sides of the vertical frame, support plates are inserted into the mounting holes through bolts, one mounting plate is fixedly connected between the tail ends of every two horizontal support plates, and the bobbin frame is arranged on the vertical frame. The side wall of the mounting plate is fixedly connected with four bobbin racks which are uniformly distributed, the side wall of each bobbin rack is provided with a limiting mechanism comprising a limiting groove and a limiting block, and the outer wall of each bobbin rack is rotatably connected with a bobbin. By rotating the rotating block, the connecting rod can be pushed to drive the limiting block to slide out of the limiting groove, finally the tail end of the limiting block blocks the side wall of the bobbin, the bobbin cannot fall off from the bobbin frame, the locking mode is that only the rotating block is rotated, tools such as screws are not needed, operation is convenient, the disassembling and assembling steps of the bobbin can be simplified, the operation difficulty is reduced, and the using effect is good.

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 provides a thread stand convenient to take sewing threads, which belongs to the technical field of sewing machines and comprises a support, a connecting column and a support plate, the connecting column is fixedly connected onto the support plate, the support plate is arranged on the support, the thread stand is characterized by further comprising a telescopic mechanism and a limiting mechanism, the telescopic mechanism is arranged on the support, and the limiting mechanism is arranged on the support. The telescopic mechanism comprises a connecting block, the connecting block is fixedly connected to the supporting plate, the supporting plate moves up and down through the telescopic mechanism, the limiting mechanism comprises limiting plates and a connecting ring, the connecting ring is fixedly connected to the outer wall of the supporting column, three limiting plates are fixedly connected to the connecting ring, and the limiting plates are fixedly connected to the connecting ring. The thread stand comprises a limiting plate and a bobbin, the limiting plate is made of an elastic material, the bobbin is arranged on the limiting plate in a sleeving mode, and the thread stand is used for solving the technical problem that in the prior art, when a large number of sewing threads with different colors are used, a worker cannot conveniently use the thread stand.

The utility model discloses an automobile seat surface cover sewing device with a good stabilizing effect, and relates to the technical field of automobile seat surface cover processing, the automobile seat surface cover sewing device is provided with a mounting rack comprising a fixed shaft, a turntable and a thread inserting shaft, the fixed shaft is vertically and fixedly connected with a sewing device body, and the turntable is rotatably connected to the upper end of the fixed shaft; the wire inserting shaft is detachably connected to the upper end of the rotating disc, the clamping blocks are evenly and elastically connected to the circumferential side of the wire inserting shaft, the clamping blocks clamp wire coils, the wire coils are inserted into the outer side of the wire inserting shaft, and the edges of the upper ends of the sides, away from the wire inserting shaft, of the clamping blocks are arranged to be inclined faces, so that the wire coils are inserted and released conveniently and smoothly; the clamping block clamps the wire coil through the cambered surface under the action of the compression spring, synchronous and stable rotation of the wire inserting shaft and the wire coil is achieved during use, the protective cover covers the outer side of the wire coil, the situation that the stable rotation of the wire coil is affected due to the fact that the wire coil is directly exposed to the outside can be effectively avoided, the protective cover is arranged to be a transparent cover body, and the protective cover is convenient to use. And an operator can conveniently check the remaining wire quantity of the wire coil.

The utility model discloses a sewing machine material frame which comprises a supporting assembly, a plurality of bearing assemblies are arranged outside the supporting assembly, each bearing assembly comprises a connecting frame, a plurality of bearing pieces are installed on the outer walls of the two sides of the top of each connecting frame through bearings, each bearing piece comprises an installation base, and the top end of each installation base is in threaded connection with a connecting pipe. A rubber bag is mounted outside the connecting pipe through a bolt and communicates with the connecting pipe, and an oil storage box is in threaded connection with the outer wall of one side of the mounting base; when the yarn drum is sleeved outside the connecting pipe, the threaded rod is rotated, the threaded rod drives the piston plate to slide in the oil storage box, the sliding piston plate extrudes hydraulic oil in the oil storage box, the hydraulic oil flows into the rubber bag through the mounting seat and the connecting pipe, and the rubber bag bulges to support the yarn drum, so that the yarn drum is fixed; according to the mode, by changing the amount of hydraulic oil flowing into the rubber bag, the firmness degree of the spool on the bearing piece is increased, and the problem that the spool falls off due to the fact that the spring is small in elasticity or aged is solved.

The application belongs to the technical field of sewing machine thread rack, in particular to a sewing machine thread rack convenient to use, which comprises a thread joint assembly; the thread joint assembly comprises a fixed ring; the fixed ring is internally rotationally connected with a movable ring; the movable ring is fixedly connected with a rotating drum through a group of connecting rods on the lateral surface; the rotating drum is fixedly connected with an elastic sleeve on the inner side; the rotating drum is fixedly connected with a gear ring on the outer side; a motor is fixedly connected on the surface of the mounting seat; and the output shaft of the motor is connected with a gear. The new and old thread ends are twisted by the rotating drum and the elastic sleeve, the twisted section between the thread ends is formed, the connection and fixation between the new and old thread ends are completed, the automation degree of the sewing machine thread rack is improved, and the actual use is more convenient. The application does not depend on the technical level of the operator, reduces the operation complexity, improves the efficiency and stability of the thread end connection.

The utility model discloses a four-thread overedger for school uniform production, and relates to the technical field of garment production equipment, the four-thread overedger comprises an overedger body and an insertion cylinder assembly arranged on the back of the overedger body, the insertion cylinder assembly comprises a fixing plate, an L-shaped bottom plate and four thread insertion columns, and the four thread insertion columns are distributed on the surface of the L-shaped bottom plate along an L-shaped path; the two sides of the fixing plate are connected with the L-shaped bottom plate through connecting plates. A fixing table is arranged on the wire inserting column and is used for being clamped with a wire barrel in a self-adaptive manner; according to the utility model, the structure is optimized by arranging the insertion cylinder assembly, the installation efficiency is improved, the layout of the wire insertion columns is optimized by designing the L-shaped bottom plate, the distance between the wire insertion columns is relatively increased, and the fault probability of wire jumping and wire clamping is reduced; and the fixing table is arranged to fix the bobbin, so that the risks of wire jumping and wire breaking are reduced.

The sewing machine shell with the guiding function comprises a main body and a support, the main body is fixedly connected to the upper portion of the support, a fixing base is fixedly connected to the side wall of the main body, a positioning pipe is fixedly connected to the fixing base, a supporting shaft is arranged in the positioning pipe, a laser pen is connected to the supporting shaft, and the laser pen is connected to the main body. A locking sleeve is in threaded connection with the positioning pipe, clamping blocks are arranged in the locking sleeve, a locking area for clamping the supporting shaft is formed among the multiple clamping blocks, the supporting shaft is located in the locking area, the locking sleeve moves in the direction close to the positioning pipe and enables the clamping blocks to abut against the supporting shaft through a conduction assembly, and the purpose of reducing machining errors is achieved.

The utility model relates to the technical field of textile industry, in particular to a wire coil limiting device for a four-wire machine, which comprises a rotating shaft, an adjusting component and two limiting components, limiting discs are arranged on two sides of the rotating shaft, the adjusting component is arranged below the rotating shaft, and the two limiting components are arranged on one sides of the corresponding limiting discs. The limiting assembly comprises a moving plate, a mounting block, a limiting ring and a fixing ring, the moving plate is arranged below the rotating shaft and located below the limiting disc, the mounting block is in bolted connection with the moving plate and located above the moving plate, limiting grooves are formed in one side of the moving plate and one side of the mounting block, and the limiting ring is arranged in the limiting grooves; through the arrangement of the structure, the problems that in the prior art, due to the fact that the position of a wire coil is limited through a limiting rod, the limiting rod is prone to being scraped with the wire coil in the using process, and the stability in the using process is affected are solved.

The bartacking machine winding shaft assembly comprises a winding base, the right side of the lower end of the winding base is fixedly connected with a fixing column, the surface of the fixing column is connected with a rotating swing arm in a sleeved mode, the rotating swing arm is fixedly connected with a fixing block, a poking device and a tensioning device, the poking device is located on the winding base, and the tensioning device is located on the winding base. The shifting device is used for rotating the rotating swing arm, the tensioning device is located on the winding base and used for tensioning and limiting the rotating swing arm, a rotating shaft is rotationally connected to the interior of the rotating swing arm and the interior of the fixing block, and the upper end of the rotating shaft extends to the winding base and is fixedly connected with a winding shaft core. The bar tacking machine winding shaft assembly has the advantage of being convenient to maintain, and the problems that an existing bar tacking machine winding shaft assembly is not convenient to maintain, when people use the bar tacking machine winding shaft assembly, the disassembling step is tedious, and when the assembly is replaced, the assembling difficulty is large, time and labor are wasted, labor force is wasted, and working efficiency is affected are solved.

The utility model discloses a thread stand structure of a sewing machine, which relates to the field of sewing machines, and comprises a support rod and a base assembly arranged at the bottom of the support rod, a plurality of cross rods are arranged on the support rod, the cross rods comprise lower cross rods positioned at the lower part and upper cross rods positioned at the upper part, and the base assembly comprises a bottom pipe and a thread stand, the base and the bottom of the supporting rod are installed in an inserted mode and are in interference fit; the mounting nut is mounted at the lower end of the bottom pipe in a threaded fit manner; the bottom end of the supporting rod is provided with a contracted pipe part with the outer diameter reduced, the bottom pipe comprises an installation part matched with the contracted pipe part and a main body part with the inner diameter smaller than that of the contracted pipe part, and a first limiting step making contact with the end of the bottom pipe is formed at the upper end of the contracted pipe part of the supporting rod. A second limiting step making contact with the bottom end of the contracted pipe part is formed between the main body part and the installation part, and an annular plate used for installation and positioning is arranged on the bottom pipe. The utility model has the advantages of simple structure, convenience in processing and good stability.

The utility model provides a sewing thread bobbin pay-off device, which belongs to the technical field of sewing machines and is characterized in that a plurality of first connecting rods are arranged on a thread stand, bobbins are sleeved outside the first connecting rods, threads are arranged on the inner walls of the bobbins, and limiting mechanisms are arranged on the first connecting rods; the limiting mechanism comprises a second connecting rod, a limiting plate, a third connecting rod, a second connecting plate, a sliding block and a rotating plate, one end of the second connecting rod is fixedly connected to the wire frame, the other end of the second connecting rod is fixedly connected with the second connecting plate, the rotating plate is arranged on the lower portion of the second connecting plate, the first connecting rod is fixedly connected with the rotating plate, and one end of the third connecting rod is fixedly connected with the limiting plate. The pay-off rack is used for solving the problems that in the prior art, a pay-off rack cannot meet the placement requirements of bobbins with different colors, the bobbins are prone to slipping off from the pay-off rack in the wire taking process, the pay-off rack is not prone to falling off, and the pay-off rack is not prone to falling off from the pay-off rack in the wire taking process. And the use is inconvenient.

The utility model discloses sewing equipment for garment production, which relates to the technical field of sewing equipment for garment production and comprises sewing equipment, and a plurality of groups of fixing mechanisms are arranged at the top end of the sewing equipment and used for fixing cylindrical thread groups. The limiting assembly comprises a support arranged on one side of the top end of the sewing equipment, a mounting seat is fixedly mounted on the lower surface of the support, a rotating disc is rotatably mounted in the middle of the mounting seat, and a screw rod is rotatably mounted in the middle of the top end of the rotating disc. Under transmission of the driving connecting rod and limiting of the limiting grooves, the multiple limiting plates expand outwards and make contact with the inner wall of the cylindrical thread set, the cylindrical thread set is limited and fixed through tension and friction force of the limiting plates, it is guaranteed that in the sewing equipment operation and rope pulling process, it can be avoided that due to shaking and rotating, the cylindrical thread set is unwound disorderly and wound, and the service life of the cylindrical thread set is prolonged. And the stable supply of the rope is ensured.

The utility model discloses a device for solving winding of a quilting machine, which relates to the field of quilting machines and comprises a quilting machine body, a chassis is fixedly connected below the quilting machine body, and the device is characterized in that a protection mechanism is arranged above the chassis, and an adjusting mechanism and a lifting mechanism are arranged in the protection mechanism. By arranging the protection mechanism, the adjusting mechanism and the lifting mechanism, when a short sewing thread roll is changed into a long sewing thread roll, the outer wall of the short sewing thread roll is grasped by a hand, the short sewing thread roll is taken down from the supporting frame, the supporting frame is grasped by a hand, and the clamping column is driven to rotate by the rotating supporting frame; when the clamping column is in contact with the lower clamping groove, the supporting frame is rotated leftwards with the hand, the supporting frame drives the clamping column to rotate leftwards, the clamping column enters the lower clamping groove, the outer wall of a long sewing thread roll is grabbed with the hand, and then the sewing thread roll is clamped to the outer wall of the sewing thread roll. A sewing thread roll penetrates through the upper portion of the fixing column, the sewing thread roll is placed above the supporting frame, and the adjusting mechanism can be adjusted according to the height of a sewing thread.

The invention relates to the technical field of lockstitch sewing machines, and provides an intelligent lockstitch sewing machine for knitted garment production, which comprises a rack, a lockstitch sewing machine body, an auxiliary cloth feeding assembly, a rotating assembly, an auxiliary threading mechanism and a bobbin switching assembly. The rotating assembly is used for driving the auxiliary cloth feeding assembly to rotate around the needle plate mechanism so as to assist the cloth in automatic curve sewing; a pressure detection assembly is arranged on the bobbin switching assembly and used for monitoring the tension of a sewing thread and controlling the bobbin switching assembly to automatically replace bobbins when it is detected that the thread is broken or thread materials are about to be used up; the auxiliary threading mechanism can be matched with the intelligent mechanical arm to complete automatic threading operation. By means of the technical scheme, the technical problems that an existing lockstitch sewing machine is low in automation degree, operation is inconvenient during curve sewing, the thread changing and threading process is tedious and time-consuming, and production efficiency is seriously affected are solved.