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22results about "Needle-threading devices" patented technology

Fiber preform double-robot cooperative suturing equipment and suturing method

The invention relates to double-robot cooperative sewing equipment for a fiber preform. The double-robot cooperative sewing equipment comprises a first industrial robot, a second industrial robot, a feeding device and a workbench; a sixth joint of the first industrial robot is provided with a first sewing end effector, and a sixth joint of the second industrial robot is provided with a second sewing end effector; the first industrial robot and the second industrial robot are arranged on the two sides of the workbench correspondingly, and the feeding device is arranged on one side of the first industrial robot. The feeding device comprises a cam divider, a fixing frame and a needle and thread frame. The cam divider is installed at the bottom of the fixing frame, needle and thread frames are arranged on the two sides of the fixing frame, double-end sewing needles are arranged on the tops of the needle and thread frames, and thread trappers are arranged at the bottoms. Yarn penetrates through the double-end suture needle, and the tail of the yarn is fixed by a yarn trapper. The invention further comprises a suturing method using the device. Double robots are adopted for cooperative automatic sewing, the automation degree is high, the sewing point position precision is high, the sewing quality is good, and the efficiency is high.
Owner:TIANJIN POLYTECHNIC UNIV

Threading device of lockstitch sewing machine for garment production

ActiveCN223991181UNeedle-threading devicesFoot supportsIndustrial engineering
The utility model discloses a threading device for a lockstitch sewing machine for garment production, and relates to the technical field of lockstitch sewing machines. The device is matched with a needle hole at the bottom of a needle. The device comprises a supporting rod, a presser foot support, a presser foot, a clamping component, a rotating component, a crochet hook and the like. By swinging the rotating part, the crochet hook penetrates through the needle hole to hang a thread and hooks out a sewing thread under the action of the spring, the problem that threading is difficult due to age and vision factors is effectively solved, the structure is simple, and operation is convenient and fast.
Owner:SI CHUAN SHENG WAN JIA MEI KUANG

Automatic threading sewing device

ActiveCN223240339UNeedle-threading devicesSewing needlePhysics
The utility model relates to the technical field of sewing machines, in particular to an automatic threading sewing device which comprises a base body, a sewing machine is arranged at the top of the base body, a sewing needle is arranged on the outer side of the sewing machine, a threading assembly is arranged at the end, close to the sewing needle, of the base body, and a containing assembly is arranged at the bottom of the threading assembly. The threading assembly is used for automatically connecting a sewing thread with a sewing needle; the storage assembly is used for storing the threading assembly, the storage assembly is composed of a connecting frame, a rotating rod, a rotating block, a sleeve, a first guide rod and a second guide rod, the connecting frame is rotationally connected to the top of the base body and close to one end of a sewing needle, and the rotating rod is rotationally connected to the interior of the connecting frame. The rotating block is fixedly connected to the outer side of the rotating rod, and compared with an existing sewing device, the overall practicability of the sewing device can be improved through the design.
Owner:HUZHOU JINTONGWANG GARMENT CO LTD

Sewing machine with needle threading facilitation

ActiveCN117867773BNeedle-threading devicesPhysicsSewing machine
The application discloses a sewing machine facilitating needle threading, which comprises a sewing machine body and a machine base, the bottom of the sewing machine body is fixedly connected to the top of the machine base, a presser foot and a needle are installed in the sewing machine body, a needle hole is formed in the needle, a sliding groove sleeve is fixedly connected to one side of the needle, a mounting seat is fixedly connected to the other side of the needle, a needle threading plate is arranged below the sliding groove sleeve, a mounting shell is fixedly connected to one side of the needle threading plate, a clamping assembly for limiting a needle thread is arranged in the mounting shell, the clamping assembly passes through the needle hole, an adapter sleeve is arranged below the mounting seat, the adapter sleeve is internally provided with an adapter groove matched with the clamping assembly, and the adapter groove is internally provided with an adapter assembly for clamping the needle thread in the clamping assembly. The clamping assembly can quickly limit the needle thread, so that the trouble of manually threading the needle every time of sewing can be avoided, time is saved, and the sewing efficiency is improved.
Owner:NINGBO MINNIE CLOTHING CO LTD

Jacket sewing device

ActiveCN224266344UWork-feeding meansNeedle-threading devicesConveyor beltSewing needle
The utility model discloses an outdoor jacket sewing device, which relates to the technical field of sewing and comprises a sewing machine main body, a workbench is arranged on the lower portion of the sewing machine main body, a sewing needle is arranged on the lower portion of the sewing machine main body, a transmission structure is arranged in the workbench, and a movable frame is arranged at the end of the sewing machine main body. A connecting plate is fixedly connected to the lower portion of the movable frame, a connecting block is fixedly connected to the lower portion of the connecting plate, and a supporting wheel is connected to the interior of the connecting block through a bearing. Through the arrangement of the conveying belt, the servo motor, the transmission roller, the connecting block and the supporting wheel, the effect of automatically conveying the fabric of the outdoor jacket is achieved, through the matched arrangement of the movable frame, the limiting block, the connecting plate, the check block and the fixing groove, the supporting wheel can be fixed in the using process, and the use is convenient. Therefore, the effect of conveying the jacket cloth in cooperation with the conveying structure is achieved, and the purpose that the sewing device conveys the jacket cloth to reduce the danger is achieved.
Owner:HENAN YABAO TEXTILE CLOTHING TECH CO LTD

Needle threading device

ActiveCN224133346UNeedle-threading devicesMedicineSewing needle
The utility model belongs to the technical field of sewing machine auxiliary tools, and particularly relates to a needle threading device which comprises a positioning piece, a first positioning face used for abutting against the side face of a sewing needle is arranged on one side of the positioning piece, and a positioning seat is arranged on the first positioning face and internally provided with a positioning groove. The positioning seat is also provided with a second positioning surface which is propped against the sewing needle mounting seat up and down; the first positioning face is further provided with a threading hole located in one side of the positioning seat, the sewing machine further comprises a threading piece arranged on the positioning piece in a sliding mode, and the threading piece is opposite to the threading hole and used for enabling the threading piece to penetrate through the threading hole and enter a sewing needle eye located in the first positioning face through sliding of the threading piece. Due to the fact that the threading hole is formed in the first positioning face, the positioning base and the positioning groove are integrally located above the first positioning face, the threading hole and the positioning base do not interfere with each other, and a manufacturer can properly adjust the size of the positioning groove so that the size of the positioning groove can be better matched with the size of an existing sewing needle.
Owner:王梦渊

Shaft bracket needle threading mechanism

The utility model discloses a shaft bracket needle threading mechanism which comprises a base, a rotary driving piece is arranged on one side of the top end of the base, a disc is arranged at the top end of the rotary driving piece, strip-shaped plates are arranged on the outer wall of the disc at equal intervals, needle threading seats are arranged on one sides of the top ends of the strip-shaped plates, and a hollow frame is arranged at the top end of the base on one side of the rotary driving piece. A limiting rail is arranged at the top end of the hollow frame, a rail base is slidably connected to one side of the top of the limiting rail, a needle threading rod is arranged in the rail base, the two ends of the needle threading rod extend to the outside of the rail base, a vertical frame is arranged at the top end of the base on one side of the hollow frame, and a control box is arranged at the top end of the vertical frame. The output end of the single-chip microcomputer in the control box is electrically connected with the input end of the rotary driving part. According to the utility model, not only is the threading efficiency of the needle threading mechanism on the shaft bracket improved, but also the purpose of automatically threading the needle and the thread on the shaft bracket is achieved, the tension of yarns on the outer wall of the winding roller is ensured, and the phenomenon that the yarns are loosened and fall off when being positioned on the outer wall of the winding roller is reduced.
Owner:HEHE MUSICAL INSTR (NINGBO) CO LTD

Hooking and pulling device for textile thread of textile machine

ActiveCN223433639UNeedle-threading devicesStructural engineeringMechanical engineering
The utility model relates to the technical field of textile machines, in particular to a textile machine spinning thread hooking and pulling device which comprises a first middle rod, a fixing ring is arranged on the outer surface of the first middle rod, a universal ball is installed in the first middle rod, and a connecting rod is installed on the top face of the universal ball. A second middle rod is installed on the top face of the connecting rod, the moving ring is installed on the outer surface of the second middle rod, and the moving ring and the second middle rod are movably installed. The LED lamp has the effects of achieving angle adjustment of the hooking and pulling device and position adjustment of the lamp beads.
Owner:WUJIANG BEITIAN TEXTILE CO LTD

A method and device for batch precise transmission of steel needles and high-precision positioning of needle eyes

ActiveCN119953836BControl devices for conveyorsNeedle-threading devicesTransmission beltRocker arm
A method and device for the precise batch transmission of steel needles and high-precision positioning of needle holes, characterized in that limit slots made of elastic blocks are evenly arranged on the left and right double-row synchronous transmission belts, and two rotatable rocker arms are suspended above the synchronous belts. The resistance of the rocker arms to the steel needles is utilized to slide the steel needles placed on the synchronous belt into the left and right limit slots. The positioning error caused by the gap between the limit slots is eliminated by magnetic adsorption of the steel needles, and the synchronous belt is controlled to perform intermittent movement by the photoelectric signals reflected by the blocks on the synchronous belt, thereby accurately delivering the steel needles one by one to the predetermined position in batches. Then, the end of the steel needle with the needle hole is inserted into the vertical hole of a T-shaped three-way module, and two ballpoint pen core-shaped ejectors with balls embedded in the heads are respectively inserted into the left and right holes of the T-shaped three-way module to achieve high-precision positioning of the needle hole. The present invention has the advantages of low cost, high precision, high efficiency, high reliability, and compact structure.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Threading mechanism of sewing machine

ActiveCN223907120UNeedle-threading devicesStructural engineeringSewing machine
The utility model discloses a threading mechanism of a sewing machine, which comprises a thread hooking plate and a thread hooking plate mounting rack, the thread hooking plate is adjustably connected with the thread hooking plate mounting rack, and the position of the thread hooking plate can be adjusted up and down. The thread hooking plate is installed on the installation block through the adjusting rod, and the thread hooking plate installation frame is rotatably connected to the adjusting rod and can drive a thread hook of the thread hooking plate to rotate to penetrate through a needle hole of the needle rod and is used for assisting threading. A first adjusting structure is arranged on the adjusting rod and can adjust the extending distance of the adjusting rod relative to the mounting block so as to adjust the position of the wire hooking plate left and right. A limiting rod is further arranged on the mounting block and used for limiting the front-back distance between the thread hooking plate and the needle rod, the length of the limiting rod can be adjusted, and the limiting rod abuts against the thread hooking plate mounting frame so as to adjust the front-back position of the thread hooking plate. According to the utility model, the up-and-down, left-and-right and front-and-back positions of the thread hooking plate can be adjusted accurately, so that the thread hooking plate is aligned with a needle hole of a needle rod, and the thread hooking plate can smoothly penetrate through the needle hole to assist threading and is prevented from colliding with or deviating from the needle hole.
Owner:NINGBO ONLINE INTELLIGENT TECHNOLOGY CO LTD

AID FOR THREADING THE EYE OF A NEEDLE

ActiveDE602023009297T2Needle-threading devices
Owner:MATERIEL POUR LARBORICULTURE FRUITIERE SA

Device for assisting with threading the eye of a needle

ActiveUS12473678B2Needle-threading devicesOphthalmologyMechanical engineering
A device for assisting with threading an eyed needle with the eye being of a type peripherally delimited by a rim extending substantially in a plane includes a solid body forming an eye receiving portion designed to receive the eye of the needle and to keep the needle in position in relation to the solid body. A passage in the solid body includes a guide portion that forms a first funnel for guiding the hook to bring the hook out of a retracted position and into a threading position. The guide portion also forms a second funnel for returning the hook to the retracted position from the threading position. Each time the hook transitions from and back to the retracted position, the hook moves through the eye of the needle, drawing the thread through the eye when the hook returns to the retracted position from the threading position.
Owner:MATERIEL POUR LARBORICULTURE FRUITIERE SA

Threader and threading mechanism

ActiveJP7748094B2Needle-threading devices
To provide a threader suitable for improving usability.SOLUTION: A threader A1 includes: a needle support section 4; a threading member 2 which can be reciprocated between a retreat position separated from the needle support section 4 and an advance position where thread can be passed through a needle hole 91 in a loop form by advancing into the needle hole 91; an operation mechanism in which the threading member 2 takes a retreat position in a first state that an operation section is not operated and the threading member 2 is moved to an advance position in a second state that the operation section is operated; a thread pressing mechanism 5 for pressing a loop section TL of thread T passed through the needle hole 91 by the threading member 2. The thread pressing mechanism 5 has a pressure receiving section 51, a pressing member 52, and a biasing member 54. The pressing member 52 can press the loop section TL on the pressure receiving section 51 since the operation section transfers from the second state to the first state.SELECTED DRAWING: Figure 13
Owner:CLOVER MFG CO LTD

High speed threading mechanism for single needle quilting machine

ActiveCN224350923UNeedle-threading devices
This invention provides a high-speed threading mechanism for a single-needle quilting machine, belonging to the field of textile machinery technology. It addresses the problem that existing quilting machines often have components such as the thread guide hole and take-up lever hidden inside the machine or in confined spaces, resulting in slow threading speeds and significantly impacting quilting efficiency. The mechanism includes a guide funnel, a thread guide groove, a guide post, a threading head, a thread-fixing assembly, and a separation assembly. The thread guide groove is located inside the guide funnel. The guide post is also located inside the guide funnel. The threading head is located on the left side of the connecting post. The thread-fixing assembly is located on the outer surface of the guide funnel and on the left side of the connecting post. The separation assembly is located on the right side of the connecting post. This invention uses the trumpet-shaped arc surface of the magnetic funnel to guide the threading head of the fixed textile thread smoothly through the thread guide hole, take-up lever, and other precision components. The guide post can be disassembled with a single click and supports multi-angle bending operations, significantly improving threading flexibility and accuracy, and ensuring the efficiency of quilting operations.
Owner:ZHEJIANG KUPU HOME FURNISHING CO LTD

Sewing system

Sewing system (100), comprehensive: a sewing machine (10); a camera (15) which captures an image of a reference position for sewing; a robot arm (110) which holds the sewing machine (10) and the camera (15); and a control device (90) wherein The control unit (90) controls the following operations: Forming a first stitch position (p11, p12), which results from a stitch formation of the sewing machine (10); and Forming a second stitch position (p21, p22) resulting from stitch formation by the sewing machine (10) after the sewing machine (10) has rotated at a prescribed angle about an axis of rotation which passes through a needle center position stored by the control device (90), and wherein The control unit (90) further performs a calibration process which calibrates the needle center position stored by the control unit (90) based on each position of the first stitch position (p11, p12) and the second stitch position (p21, p22) within image acquisition areas of acquisition images obtained by acquiring images of the first stitch position (p11, p12) and the second stitch position (p21, p22) using the camera (15).
Owner:JUKI CORP

Device for assisting with threading the eye of a needle

ActiveEP4473156B1Needle-threading devices
The invention relates to a device (1) for assisting with threading the eye of a needle (26), the eye being of the type bounded at its periphery by an edge extending substantially in a plane referred to as the eye opening plane. The assistance device (1) comprises a solid body (2) forming a housing, referred to as eye housing (3), designed to be able to accept the eye of the needle and to hold the needle in position with respect to the solid body (2), a passage (4) in the solid body (2) comprising a portion referred to as guide portion (5). The guide portion (5) forms a first funnel (201) for guiding deployment of the hook from the retracted position toward the threading position, and a second funnel (202) for guiding retraction of the hook (16) from the threading position toward the retracted position, through the eye of the needle each time, the thread thus being drawn as the hook retracts from the threading position toward the retracted position.
Owner:MATERIEL POUR LARBORICULTURE FRUITIERE SA

Cotton thread needle feeding device for textile processing

InactiveCN120350491ANeedle-threading devicesMechanical engineeringSewing needle
The invention relates to the technical field of textile processing, and discloses a cotton thread needling device for textile processing, which comprises a slot, at least one hollow insertion tube used for penetrating through a needle hole of a sewing needle is fixedly mounted on the inner side of the slot, and an air exhaust structure hermetically connected with the insertion tube is further arranged at one end, far away from a threading groove, of a wiring bin. According to the sewing machine, the inserting groove of the wiring bin is in butt joint with a sewing needle, then a cotton thread needing needle feeding is selected and straightened to enter the needle feeding groove from the threading groove in the vertical form, the air exhaust structure is driven to extract air in the front end area of the inserting pipe, and the cotton thread is sucked into the air hole and then enters the inserting pipe; the whole needle feeding step does not need any structure installed on the textile machine to participate, needle feeding operation of the next sewing needle can be carried out by directly keeping away from the sewing needle after needle feeding is completed, and the beneficial effects that binding type design with the textile machine is not carried out, needle feeding can be carried out on the sewing needles of one-to-many textile machines, and economic expenditure is reduced are achieved.
Owner:NANTONG JEDDAH TEXTILE CO LTD

Tweezers with threading apparatus function

ActiveCN223893024UNeedle-threading devicesTweezersMechanical engineering
The tweezers with the threading apparatus function comprise a tweezers body and a threading assembly, and the tweezers body comprises a first tweezers arm and a second tweezers arm; the threading assembly comprises a base, a movable cylinder and a threading piece, the threading piece is connected with the base, a threading part is arranged at the front end of the threading piece, and a thread hooking groove is formed in the threading part; a positioning opening is formed in the front end of the movable cylinder, and the movable cylinder can be connected with the base in a mode of linearly moving back and forth between a first position and a second position; when the movable cylinder is at the first position, the threading part is positioned in a cylinder cavity of the movable cylinder; and when the movable cylinder moves to the second position, the threading part extends forwards from the positioning opening. Under the condition that normal functions of the tweezers are reserved, the threading function is added, threading from back to front can be achieved, and the pair of tweezers can adapt to more auxiliary threading scenes.
Owner:CHONGQING JINGJIUJIANG MACHINERY CO LTD

Needle threading aid device

ActiveFR3132308B1Needle-threading devicesOphthalmologyMechanical engineering
The invention relates to a device (1) for threading a needle (26) with an eye, the eye being of the type limited at its periphery by a rim extending substantially in a plane, called the eye opening plane; the aid device (1) being characterized in that it comprises a solid body (2) forming: a housing, called the eye housing (3), adapted to receive the eye of the needle and maintain the needle in position relative to the solid body (2), and; a passage (4) through the solid body (2) and comprising a section, called the guide section (5); a first end (6) of said guide section (5) opening outside the solid body (2); a second end (7) of said guide section (5) opening into said eye housing (3);said guide section (5) forming a funnel (8) for guiding the sewing thread, which is carried in movement within said guide section (5) towards said housing (3) of the eye, so that the sewing thread passes through the eye of the needle and emerges outside the solid body (2). Figure of the abstract: Figure 3;
Owner:MATERIEL POUR LARBORICULTURE FRUITIERE SA

Intelligent lockstitch sewing machine for knitted garment production

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.
Owner:TANGSHAN KELMANWEICHI CLOTHING CO LTD

Guide device for threading of industrial sewing machine

ActiveCN223226310UNeedle-threading devicesIndustrial sewing machine
The utility model relates to the technical field, and discloses a guiding device for threading of an industrial sewing machine, which comprises a sewing machine body, the lower end of the sewing machine body is connected with a pressure rod, the lower end of the pressure rod is connected with a machine needle, a threading hole is arranged in the machine needle, a crochet hook is arranged in the threading hole, and the crochet hook is connected with the machine needle. A detachable assembly is arranged at one end of the crochet hook, and a clamping assembly is installed on one side of the sewing machine body. The detachable assembly comprises a push plate, a fixed bin is formed in the push plate, a spring is installed in the fixed bin, a moving block is arranged on one side of the spring, and a first connecting block is connected to one side of the moving block. One end of a sewing thread is fixed through the arranged clamping assembly, the sewing thread is prevented from falling off from the crochet hook, the threading success rate is improved, and the crochet hook can be conveniently and rapidly disassembled and assembled through the arranged detachable assembly, and use is convenient.
Owner:HANGZHOU JINJIA GARMENT MASCH CO LTD