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144results about "Bobbin-winding devices" patented technology

Bottom thread winding device

The invention provides a bottom thread winding device capable of well winding a bottom thread relative to a bobbin. A bottom thread winding device (60) is provided with: a bobbin (20) having a shaft part (23) and disk parts (21, 22) provided at both ends of the shaft part; a rotation mechanism (61) that imparts a rotation action to the spool; and a bottom thread supply mechanism (63) having a nozzle (64) for sending out a bottom thread (D) from a bottom thread supply source together with air, and winding the bottom thread on a shaft portion of the bobbin by rotating the bobbin by the rotating mechanism while sending out the bottom thread toward the bobbin by the bottom thread supply mechanism. The shaft portion of the bobbin is provided with a threading hole (231) penetrating in the direction perpendicular to the shaft portion, and the bottom thread supply mechanism winds the bottom thread after inserting the bottom thread into the threading hole.
Owner:JUKI CORP

Automatic bottom line replacing device and storage disc mounting structure thereof

The invention discloses an automatic bottom thread changing device and a storage disc mounting structure thereof.The storage disc is mounted on an automatic bottom thread changing device body, and the storage disc mounting structure comprises a mounting base arranged on the automatic bottom thread changing device body, a transmission shaft penetrating through the mounting base and a transmission shaft hole formed in the center of the storage disc and in transmission fit with the transmission shaft; and a lock catch for axially locking the storage disc and the mounting base is arranged between the storage disc and the mounting base. When the material storage disc is installed, the transmission shaft hole in the material storage disc is aligned with the transmission shaft, then the material storage disc is pushed to axially move with proper force, and after the material storage disc axially moves in place, the material storage disc and the installation base are buckled and fixed through the lock catch, so that the material storage disc is fixed to the installation base, and it is guaranteed that the material storage disc is reliably fixed after being replaced and cannot be disengaged in the working process; when the material storage disc is disassembled, locking of the lock catch is released, the material storage disc is pulled out, and the transmission shaft hole is separated from the transmission shaft, so that the material storage disc is convenient to replace.
Owner:ZHEJIANG XINSHENG SEWING EQUIP

Bobbin and spool management system

ActiveUS12202698B2Filament handlingHand sewing toolsBobbinStructural engineering
A bobbin and spool management system includes a bobbin topper having a central disc with upwardly and downwardly extending stanchions projecting therefrom, each being capped with a mushroom bolster and having a medially located chamfered collar. The upwardly projecting stanchion is adapted to mate with an axial bore in the barrel of a bobbin and retain the bobbin while the downwardly projecting stanchion is adapted to penetrate the axial bore in the barrel of a supply spool and be retained on the supply spool.
Owner:DPG USA INC

Device for bottom thread winder of safety air bag sewing machine

The utility model discloses a device for a bottom line winder of a safety air bag sewing machine, which comprises a shuttle peg fixedly arranged on a winding base, the shuttle peg comprises an expansion part and a fixing part, two groups of fixing holes transversely penetrating through the fixing part are reserved in the fixing part, and the expansion part is fixedly arranged on the winding base. The fixing part is fixedly connected with the winding base through the fixing hole, the center of the top of the expansion part extends towards the fixing part to be provided with an open groove, the top end of the expansion part is provided with a size adjusting assembly, and the size adjusting assembly comprises connecting bases symmetrically arranged on the two sides of the open groove; adjusting rods are oppositely arranged on the connecting bases at intervals, and the adjusting rods are in internal threaded connection with the threaded sleeves. According to the utility model, the shuttle peg and the wire core are fixed by the size adjusting component instead of being fixed by a clamp spring, so that foreign matters are prevented from entering the safety air bag due to breakage of the clamp spring.
Owner:HMT XIAMEN NEW TECHN MATERIALS

Automatic shuttle peg bottom thread changing mechanism for computerized sewing machine and computerized sewing machine equipment

The invention relates to the technical field of computerized sewing machine production, and discloses an automatic shuttle peg bottom thread replacing mechanism for a computerized sewing machine and computerized sewing machine equipment, and the automatic shuttle peg bottom thread replacing mechanism for the computerized sewing machine comprises a storage assembly and a transmission assembly; the storage component is arranged in the computer sewing machine and is used for storing the shuttle pegs; the transmission assembly is arranged in the computer sewing machine and located on one side of the material storage assembly. The tail end of the conveying mechanism is connected with a clamping assembly used for taking the shuttle pegs, and the conveying mechanism is used for driving the shuttle pegs to be conveyed between the storage assembly and the lock cylinder holes in the computer sewing machine. When the shuttle peg is replaced, the conveying assembly drives the clamping assembly to get close to the shuttle peg in the storage assembly, the clamping assembly takes the shuttle peg, then the conveying assembly transfers the shuttle peg into a shuttle peg hole in the computer sewing machine, and meanwhile the conveying assembly rotates the taken shuttle peg. The shuttle pegs are clamped and fixed in the shuttle peg holes, automatic feeding of the shuttle pegs is achieved, and on the contrary, automatic discharging of the shuttle pegs can be achieved.
Owner:广东杰富亿自动化有限公司

Vertical shuttle bed inner shuttle

The present invention relates to the technical field of sewing, and, in particular, a vertical shuttle bed inner shuttle, comprising an inner shuttle, a shuttle bobbin case with a bottom-thread outer end check, a spring piece, and a bobbin with a bottom-thread inner end clamping function. The inner shuttle integrates the shuttle bobbin case and the bobbin, the bobbin is connected to a coreless bottom thread core, and the shuttle bobbin case with the bottom-thread outer end check is connected to the side wall of the inner shuttle. In the present invention, the shuttle bobbin case with the bottom-thread outer end check is directly designed on the inner shuttle, and the spring piece is designed to provide adjustable thread release damping. The bobbin with the bottom-thread inner end clamping function is designed to mount the coreless bottom thread core, and under the fastening action of a fixing screw, the spring piece provides essential damping to the bobbin, preventing excessive thread release caused by sewing vibrations and thread release inertia. When a bottom thread is depleted, sewing can be resumed by simply loading a new bottom thread core onto the bobbin, and the thread core usage status and remaining amount can be directly visually monitored from the end face, thus simplifying the steps of vertical shuttle bed bobbin core replacement, such that sewing can be resumed simply with a single action of loading the thread core, making the device more convenient to use.
Owner:DONGGUAN RUIBO INTELLIGENT MANUFACTURING CO LTD

Rapid shuttle changing textile loom

The utility model discloses a quick shuttle changing textile loom, which belongs to the technical field of textile looms, and is characterized by comprising a stabilizing block, the right side of the stabilizing block is bolted with a rotating shuttle driver body, the left side of the rotating shuttle driver body is fixedly connected with a mounting structure, and the left side of the rotating shuttle driver body is bolted with a limiting structure. The front side of the limiting structure is fixedly connected with an auxiliary structure, the right side of a fixing rod is fixedly connected with the left side of an inserting rod, the rear side of a fastening block is movably connected with the front side of the inserting rod, and the fastening block penetrates through a sleeve block and makes contact with the front side of the inserting rod. At present, a part for protecting the rotating shuttle is generally and directly fastened on one side of the rotating shuttle by a bolt, and after the part is disassembled, a worker needs to simultaneously support and fasten the part for accurate installation, so that the replacement efficiency of the rotating shuttle is greatly reduced.
Owner:NANTONG SECORD TEXTILE TECHNOLOGY CO LTD

Thread core winding and pushing device

PCT designated stageWO2025168110A1Bobbin-winding devicesComputer hardwareBobbin
A thread core winding and pushing device, comprising a thread pushing motor (1), the axis of the thread pushing motor (1) being connected to a winding motor (2). An air nozzle connecting block (3) is connected to one end of the thread winding motor (2), the axis of the air nozzle connecting block (3) being provided with an inner shaft sliding sleeve (4); a side wall of the thread pushing motor (1) is connected to a tension thread stand (5), one end of the thread pushing motor (1) being connected to an image sensing assembly (6); an air jet port (602) is provided at one end of the thread pushing motor (1) and located on a side wall of the image sensing assembly (6), a thread core winding area (7) being provided on the outer wall of the air jet port (602). The coordinated operation of the thread pushing motor (1), the winding motor (2), a winding shaft of the winding motor, and the tension thread stand (5) allows the present device to execute in a narrow space operations such as winding a thread core, transferring the thread core, securing an internal thread end to a bobbin fitting position, securing an external thread end to a bobbin case fitting position and pushing the thread core into a bobbin. In addition, an enough manual operating space is further kept, so that when in a special working condition or the present device has a fault, a traditional sewing method for replacing a bobbin case / bobbin by means of manual intervention can also be used, thus making the device more convenient during sewing.
Owner:DONGGUAN RUIBO INTELLIGENT MANUFACTURING CO LTD

An automatic inductive winder

The present application relates to a kind of automatic induction wire winder.It mainly solves the technical problems of poor action synchronism,poor controllability,low winding efficiency,service life decline and low winding accuracy of existing wire winder.The wire winder comprises a shell,an installation plate,a motor,a main shaft and a dial piece.The installation plate is fixed to the shell,characterized in that it further comprises a rotating shaft,a limiting swing arm,a cam,a rotating disc and a swing arm.The rotating shaft is fixedly connected with the dial piece.The limiting swing arm and the cam are fixed to the rotating shaft.The rotating disc is fixed to the main shaft.The limiting swing arm is clamped with the rotating disc.The swing arm has clamping portions and sensing portions at both ends.The cam is in top pressure cooperation with the clamping portions.The sensing portions are connected with elastic members.Magnets are arranged at the sensing portions.A sensor is arranged on the installation plate.The wire winder uses limiting device combined with automatic induction to simultaneously realize the accurate controllability of the main shaft rotation and the accurate controllability of the motor start-stop,with good synchronism,high controllability,high control accuracy and high winding efficiency.
Owner:WENZHOU CHAONENG SEWING EQUIP CO LTD

Winding machine with adjustable cycloid function

The utility model belongs to the technical field of sewing winders, is mainly applied to winding of sewing bottom threads, and discloses a winding machine with an adjustable cycloid function, which comprises a motor component, a gear transmission device and a connecting rod device. The gear transmission device is mounted on the motor assembly; the connecting rod device is installed on the motor assembly and connected with the gear transmission device. According to the winding machine with the adjustable cycloid function, the technical problems that due to insufficient winding amount, a shuttle peg is frequently replaced, and working efficiency is low are solved, by means of the design, the winding machine with the adjustable cycloid function provides the swing winding device which is rapid and safe to operate and high in adaptability, the shuttle peg replacement time of workers is saved, the production capacity of enterprises is improved, and the production cost is reduced. And the stability and the reliability of related equipment are improved.
Owner:天津再登高智能制造有限公司

Yarn winding device

To provide a yarn winding device capable of cutting a yarn more stably than before.SOLUTION: A yarn winding device has a bobbin rotation part, a yarn cutting part, a nozzle, a nozzle rotation part, an air supply part, and a control device. The nozzle rotation part rotates the nozzle around a second axis to an opposite position where a tip of the nozzle faces the bobbin rotation part and a separated position where the tip of the nozzle is distant from the bobbin rotation part. The control device supplies air to the nozzle and makes the yarn inserted in a hollow part disposed at the opposite position pass through an opening of a bobbin case (S14). The control device drives the bobbin rotation part to wind the yarn around a bobbin (S15). After winding the yarn around the bobbin, the control device drives the nozzle rotation part to rotate the nozzle in a first rotation direction around the second axis (S24). The control device drives the yarn cutting part to cut the yarn in a state where the yarn is wound around outer periphery of the hollow part (S28).SELECTED DRAWING: Figure 8
Owner:BROTHER KOGYO KK

Electronic winder with stop pin structure and sewing machine

The utility model provides an electronic winder with a stop pin structure and a sewing machine, and belongs to the technical field of sewing equipment. The electronic winder comprises a mounting seat, a positioning seat, a wire spool and a rotatable wrench shaft are arranged on the mounting seat, a driving part for driving the wire spool to rotate is arranged on the positioning seat, a wire cutter is arranged on the wire spool, and a wrench and a stop block are arranged at one end and the other end of the wrench shaft respectively. A stop pin which can move up and down and can be positioned on the mounting seat is arranged on the mounting seat, a positioning hole is formed in the wire spool, an ejection pin which can eject out the stop pin and enable the stop pin to be inserted into the positioning hole is arranged on the stop block, and when the stop pin is inserted into the positioning hole, the wire spool stops rotating; a sensor used for detecting magnetic field changes is arranged on the positioning seat, a magnet is arranged on the stop block, and the sensor is electrically connected with the driving piece. According to the electronic winder, the winding amount can be accurately controlled according to needs.
Owner:JACK SEWING MASCH CO LTD

A fully automatic shuttle device and shuttle method

This invention discloses a fully automatic winding device, including a mounting plate and a winding module, a clamping module, and a cutting module disposed on the mounting plate. The winding module includes a rotating shaft, a shuttle taker, and a winding rotation mechanism. The clamping module includes a ring bracket, a clamping device, and a clamping revolution mechanism. The cutting module includes a cutter and a cutting movement mechanism. The cutter includes a cutting platform and a cutter head. The cutting edge of the cutter head faces the opposite direction to the revolution of the clamping device. When the cutter moves closer to the rotating shaft, the cutter head is located within the inner circumference of the clamping device's revolution. When the cutter moves away from the rotating shaft, the cutter head is located outside the outer circumference of the clamping device's revolution. The clamping device has a cutting platform on its inner side and a clamping opening on its outer side. When the cutter moves closer to the rotating shaft and the clamping device revolutionizes to the side facing the cutter, the cutter head engages with the cutting platform. This fully automatic winding device can automatically complete the hooking and winding of the bobbin. The present invention also discloses a winding method.
Owner:SHENZHEN CHAOCHENG SEWING TECH CO LTD

Full-automatic shuttle winding device and shuttle winding method

The invention discloses a full-automatic winding device which comprises a mounting plate, a winding module, a wire clamping module and a wire cutting module, the winding module, the wire clamping module and the wire cutting module are arranged on the mounting plate, and the winding module comprises a rotating shaft, a shuttle taking device and a winding autorotation mechanism; the wire clamping module comprises an annular support, a wire clamping device and a wire clamping revolution mechanism. The thread cutting module comprises a cutter and a thread cutting moving mechanism, the cutter comprises a thread cutting table and a cutter head part, the cutting edge of the cutter head part faces the direction opposite to the revolution direction of the thread clamping device, and when the cutter moves to be close to the rotating shaft, the cutter head part is located in the revolution inner circumference of the thread clamping device; when the cutter moves away from the rotating shaft, the cutter head part is positioned outside the revolution outer circumference of the wire clamp; a thread cutting table is arranged on the inner side of the thread clamping device, and a thread clamping opening is formed in the outer side of the thread clamping device; when the cutter moves to be close to the rotating shaft and the wire clamping device revolves to the side facing the cutter, the cutter head part is attached to the wire cutting table. The full-automatic thread winding device can automatically finish thread hooking and thread winding of the shuttle peg. The invention further discloses a winding method.
Owner:SHENZHEN CHAOCHENG SEWING TECH CO LTD

Thread take-up device for a sewing machine

The present invention provides a thread winding device for a sewing machine, which can wind a bobbin without accompanying the operation of the sewing machine. The device includes a winding shaft (20) that holds the bobbin, a winding motor (11) that rotates the winding shaft, a rotation number detection unit (12) of the winding motor, a rotating body (30) that has a stop recess (31) for stopping the rotation of the winding shaft, a bobbin rod (40) that has a rod portion and a claw portion (45) across a fulcrum, and rotates toward the rotating body if the outer diameter of the thread of the bobbin reaches a first predetermined value, and a control device (52) that controls the winding motor to reduce the speed to a second winding speed if the outer diameter of the thread of the bobbin reaches a second predetermined value, and controls the winding motor to stop after rotating a predetermined number of times or a predetermined time at a speed just before stopping if the speed is less than a stop determination speed that is lower than the second winding speed.
Owner:JUKI CORP

Portal Sewing Unit

The portal sewing unit is used to sew workpieces in a sewing work area with a width exceeding 1 m. The portal sewing unit comprises a portal frame (2) having an upper bridge rail (3), a lower bridge rail (4), and two end-side portal supports (6, 7), and the end-side portal supports (6, 7) form a portal (5) of the portal frame (2). The upper drive (48) is used to move the upper sewing part (8) along the upper bridge rail (3), and the lower drive (49) is used to independently move the respective lower sewing parts (10, 11) along the lower bridge rail (4). Through the sewing part controller (50) of the drives (48, 49), the upper sewing part (8) selectively cooperates with one or the other of the two lower sewing parts (10, 11) to form stitches in the workpiece. Thereby, a portal sewing unit with increased workpiece throughput is obtained.
Owner:PFAFF INDUSTRIESYSTEME & MASCH GMBH

Automatic winding shuttle changing device

The utility model discloses an automatic winding shuttle changing device, which comprises a mounting base plate provided with an automatic shuttle changing mechanism, a shuttle peg residual thread taking mechanism and a winding driving mechanism, and is characterized in that the mounting base plate is provided with a positioning shaft mounting seat; a shuttle peg positioning shaft used for placing a shuttle peg and a shuttle peg sleeve during residual thread taking and thread winding is arranged in the positioning shaft mounting seat; the winding driving mechanism comprises an ejection cylinder for driving the shuttle peg positioning shaft to move back and forth relative to the positioning shaft mounting seat, and a winding motor for driving the shuttle peg positioning shaft to rotate relative to the positioning shaft mounting seat; and the shuttle peg residual thread taking mechanism is positioned on one side of the shuttle peg positioning shaft. The bottom shuttle can be operated at the same position when the residual thread of the shuttle peg is taken out and the thread is wound, so that the time for adjusting the working position of the bottom shuttle is saved, the shuttle changing efficiency is improved, meanwhile, the automatic thread winding and shuttle changing device is more compact in structure, and the installation space is saved.
Owner:NINGBO SUPREME ELECTRONIC MASCH INC

Bottom thread allowance detection method and device and sewing machine

The invention discloses a bottom thread allowance detection method and device and a sewing machine in the technical field of bottom thread detection. The bottom thread allowance detection method comprises the following steps that S1, a sensor receives a bottom thread allowance control starting signal and sends a bottom thread allowance counting signal to an electric control module; s2, the electric control module uses the sewing thread sewed when receiving the bottom thread allowance counting signal as the first sewing thread, calculates the bottom thread consumption after the nth sewing thread is sewed and the bottom thread demand when the (n + 1) th sewing thread is sewed, and calculates the bottom thread counting allowance according to the bottom thread winding parameters; s3, judging whether the remaining amount of the bottom threads is greater than the demanded amount of the bottom threads or not, and if so, sewing the (n + 1) th sewing thread; and if not, finishing the sewing operation. According to the invention, the real-time remaining amount of the bottom line can be accurately obtained, so that the detection precision and stability of the bottom line are improved, and the attractiveness of the stitch is ensured.
Owner:JACK SEWING MASCH CO LTD

Winding device and sewing machine

The present invention discloses a winding device and a sewing machine containing the winding device. The purpose of the present invention is achieved as follows: a winding device includes a tensioning wheel assembly arranged in a housing, the tensioning wheel assembly has a roller portion, the roller portion abuts against the synchronous belt and rotates therewith; a friction surface is arranged on the front side of the roller portion; a winding mechanism is also arranged at the front of the housing, the winding shaft of the winding mechanism extends into the housing and is installed with a friction wheel; the winding mechanism has a working state and a non-working state: when the winding mechanism is in the working state, the friction wheel abuts against the friction surface and is driven; when the winding mechanism is in the non-working state, the friction wheel is separated from the friction surface. The position of the winding mechanism is creatively changed from the traditional position at the upper end of the main shaft to one side of the tensioning wheel assembly. And because the position is exactly the most common front side for workers during operation, workers can directly replace the bobbin on the winding mechanism very conveniently and intuitively during operation.
Owner:ZHEJIANG DUMA SEWING MACHINE

Automatic thread winder and sewing machine

The application relates to the technical field of sewing equipment, in particular to an automatic thread winder and a sewing machine. The automatic thread winder comprises a driving assembly, a fixing table, a bobbin, a rotating shaft assembly, a handle assembly and an adjusting assembly, and a rotation-stopping groove is arranged on the rotating shaft assembly. The handle assembly comprises a pressing arm unit, a second rotating shaft and a stopper, the second rotating shaft is rotationally connected with the fixing table, one end of the second rotating shaft is connected with the pressing arm unit, and the other end of the second rotating shaft is connected with the stopper. A third rotating shaft is fixedly arranged on the fixing table, the adjusting assembly is rotationally connected with the third rotating shaft, and the adjusting assembly movably abuts against the stopper along the circumference of the first rotating shaft. The automatic thread winder has a full winding state, when the pressing arm unit is subjected to external force and tends to rotate away from the bobbin, the adjusting assembly can apply force to the stopper, so that the stopper rotates and is clamped in the rotation-stopping groove. The automatic thread winder and the sewing machine provided by the application solve the problems of complex structure and insufficient winding control precision of the existing thread winder.
Owner:JACK SEWING MASCH CO LTD

A rotating hook mounting positioning system and a rotating hook mounting positioning method

The application discloses a rotating hook mounting and positioning system and a rotating hook mounting and positioning method, and relates to the field of rotating hook mounting and positioning systems.The rotating hook mounting and positioning system comprises a visual device, a front camera and a side camera, the front camera and the side camera collect images of machine needles and rotating hooks; a light source device provides illumination for image collection of the visual device; a fixing device is used for fixedly connecting the visual device with a sewing machine; and a positioning control module comprises a configuration module, an enumeration module, a front camera module, a side camera module, a display module and a control module.In the sewing machine assembly process, the rotating hook mounting and positioning system of the application uses the fixing device to assist the installation of the visual device, the fixing device is convenient to use and will not cause bumps and scratches on the shell of the sewing machine, at the same time, through image processing of the visual device and the positioning control module, the rotating hook assembly of the sewing machine can visually magnify and display and measure the position of the rotating hook needle tip, the difficulty of manual assembly is reduced, and the assembly precision is improved.
Owner:RES INST OF ZHEJIANG UNIV TAIZHOU

Shuttle peg residual thread removing device and full-shuttle automatic shuttle changing winding machine

The utility model discloses a shuttle peg remaining thread removing device which comprises a suction mechanism and a thread taking mechanism, the thread taking mechanism is located beside the suction mechanism, the suction mechanism comprises an air suction pipe, and the air suction pipe comprises a waste suction opening; the thread taking mechanism comprises a thread taking clamp, a thread taking driving assembly, a thread shifting rod and a thread shifting driving assembly, the thread taking driving assembly is connected with and drives the thread taking clamp to move relative to the shuttle peg, and when the thread taking clamp moves to be close to the shuttle peg, the thread taking clamp stretches into a winding groove of the shuttle peg; the thread shifting rod is located on the side, away from the suction mechanism, of the thread taking clamp, the thread shifting driving assembly is connected with and drives the thread shifting rod to move relative to the suction mechanism, and when the thread shifting rod moves to be close to the suction mechanism, the thread shifting rod can abut against remaining threads taken out by the thread taking clamp. And the residual thread is fed into the waste suction port of the air suction pipe. The device for removing the residual threads in the shuttle peg can improve the removing effect of the residual threads in the shuttle peg. The utility model further discloses a full-shuttle automatic shuttle changing winding machine which comprises the shuttle peg remaining thread removing device.
Owner:SHENZHEN CHAOCHENG SEWING TECH CO LTD

Bottom line detection device of sewing machine

A bottom thread detection device of a sewing machine comprises a detection motor, a controller and a display screen, wherein the detection motor is used for winding a bottom thread; the controller is electrically connected with the detection motor; the controller can monitor the number of rotation turns of the detection motor in real time and display the monitored number of rotation turns on the display screen in real time. The bottom thread detection device of the sewing machine can detect the usage amount of bottom threads in real time, can visually display the usage amount of the bottom threads so that a user can observe the bottom threads conveniently, and has the advantages of being simple in structure and practical.
Owner:TAIZHOU XIAOLI TECHNOLOGY CO LTD

Robot dynamic adjustment method and system for lock stitch sewing machine

The invention discloses a robot dynamic adjusting method and system for a lock stitch sewing machine, and relates to the technical field of robotics.The system comprises a shuttle peg mechanical arm which is arranged at a shuttle peg body on the lock stitch sewing machine and used for automatically assembling and disassembling the shuttle peg body, and a coil mechanical arm is arranged on the side face of the shuttle peg mechanical arm and used for automatically assembling and disassembling the shuttle peg body; the coil mechanical arm is used for automatically selecting the specification of a coil body and automatically loading and unloading the coil body, a control module is loaded on the shuttle peg mechanical arm, and the control module collects position data and wire storage amount data of the coil body on the coil mechanical arm; the control module acquires required thread quantity data required by the shuttle peg body through the lock stitch sewing machine, and controls the coil mechanical arm to select the coil body with the corresponding thread storage quantity data to be loaded into the shuttle peg body according to the required thread quantity data; the automatic loading and unloading of the shuttle peg body and the automatic replacement of the coil body are realized, and the efficiency and the adaptability of the lock stitch sewing machine are improved.
Owner:ZHEJIANG BOREE AUTOMATION TECH CO LTD

Structure for preventing empty rotation of bobbin when rotary hook stops

The application discloses a kind of structures for preventing empty running of bobbin when rotary hook stops, including shuttle shell and the bobbin arranged in shuttle shell, the shuttle shell is provided with the shuttle shell spring piece that is attached to bobbin, brake groove is provided on the bobbin, brake part is provided on the shuttle shell spring piece, and the brake part can be engaged with brake groove.By optimizing the structure of the shuttle shell spring piece in the rotary hook, the brake groove provided on the bobbin is matched to complete the deceleration and stop of the bobbin in the idle state, the structure is exquisite, can improve production efficiency, and does not need to input external power to resist the inertia of the bobbin, the cost is low, and the practical application effect is good.The anti-idling structure is simple and effective, and can better promote the development of large-capacity rotary hook research and development in the industry, and increase the rotary hook capacity to most directly and effectively improve production efficiency.
Owner:DONGYANG TAIJI PRECISION MFG

Portable winder

The utility model discloses a portable winder, and relates to the technical field of sewing equipment. Comprising a winder body, the winder body comprises a base, and a plurality of winding path arrow marks are arranged on the top of the base. The main wire shaft, the wire frame, the first wire passing hook, the wire pressure regulator, the second wire passing hook, the adjusting seat and the shuttle peg seat are sequentially arranged at the top of the base according to the arrow identification sequence of the winding path, compared with a winder in the market, the structure is more compact, the winding path is not shortened after being bent, the winding stability is guaranteed, the size of the base is greatly reduced, and the winding efficiency is improved. The whole design is smaller and more exquisite, the coil holder device is arranged, coils of various sizes can be used, space limitation is avoided, due to the fact that the base can be adjusted, winding of cop latches of various specifications can be carried out, the problem that a winding machine in the current market limits the sizes of the cop latches and the coils is solved, a mobile phone charging port TYPEC or a battery is adopted for power supply, and carrying is more convenient. The economic benefit is met and the application prospect is wide.
Owner:NINGBO GUANGWEI ELECTRICAL TECHNOLOGY CO LTD

Portal sewing system

A portal sewing system is used to sew sewing material in a sewing working region having a width of more than 1 m. The portal sewing system comprises a portal frame (2) having an upper bridge bar (3) and a lower bridge bar (4) and having two marginal portal supports (6, 7) for forming a portal (5) of the portal frame (2). An upper-part drive (48) is used to move a sewing upper part (8) along the upper bridge bar (3), and a lower-part drive (49) is used to independently move the sewing lower part (10, 11) in question along the lower bridge bar (4). By means of a sewing-part controller (50) of the drives (48, 49), the sewing upper part (8) cooperates selectively with one of the two sewing lower parts (10, 11) for stitch formation in the sewing material. The result is a portal sewing system having increased sewing material throughput.
Owner:PFAFF INDUSTRIESYSTEME & MASCH GMBH