41results about "Needle-threading devices" patented technology

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.

The utility model relates to the technical field of industrial sewing machines, and discloses an industrial sewing machine convenient to replace threads, which comprises a base, a sewing machine body is arranged on the outer side of the base, and a needle seat is arranged on the outer side of the sewing machine body; according to the needle plate seat, the gear is rotated clockwise to drive the clamping block on the needle plate seat body to be clamped in the clamping groove to close the groove, the gear is rotated anticlockwise to open the needle plate seat body, and internal bottom threads are taken out and rapidly replaced; the needle plate seat body cannot be easily opened to influence the use of the sewing machine, the cover plate is opened, the connecting rod is pulled out of the sleeve, then the sleeve is turned over to pull the inserting rod out of the sleeve, the thread end is inserted into the elastic steel bar, and then the elastic steel bar and the thread end are inserted into the needle head together. Therefore, the needle head can be quickly inserted into the hole of the needle head, so that the thread end is inserted into the needle head.

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.

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.

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.

The utility model is applicable to the technical field of sock processing, and provides a sewing machine for sock processing, comprising: a bottom plate, a workbench is arranged on the top of the bottom plate, a sewing machine body is arranged on one side of the upper end of the workbench; a fixing component is arranged on the top of one side of the workbench close to the sewing machine body, and a transparent protective tube cover is arranged to facilitate protection of a retractable needle to prevent accidental injury by the needle. When in use, when the needle contacts the socks, a spring drives the transparent protective tube cover to retract to the inside of a circular telescopic groove to facilitate sewing, and a magnifying glass is arranged to facilitate threading.

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.

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.

Apparatuses including support and accessory arms for positioning a sewing machine accessory are disclosed. According to an aspect, an apparatus for positioning a sewing machine accessory includes a support arm. The support arm is configured for attachment to a sewing machine and comprises a first coupling component. The first coupling component comprises a first magnetic component. The apparatus also includes an accessory arm configured for attachment of a sewing machine accessory. The accessory arm comprises a second coupling component. The first coupling component and the second coupling component are configured for attachment together. The second coupling component comprises a second magnetic component that is attracted to the first magnetic component for urging the second coupling component towards the first coupling component when the first and second coupling components are attached together. The first and second coupling components are configured to position the sewing machine accessory to a user-determined position.

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.

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.

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.

The needle-threading device includes a needle-threading shaft that is parallel to a vertically-moving needle bar and that is vertically movable and rotatable, a control lever that lowers and rotates the needle-threading shaft, a needle-threading end section provided at a lower end of the needle-threading shaft and having a needle-threading hook, and a needle-threading stopper provided at the needle bar and defining a lowered stoppage position of the needle-threading shaft. The needle-threading end section lowered by operating the control lever rotates at the lowered stoppage position and causes the needle-threading hook to be inserted through a needle hole of one needle of a plurality of needles provided at the needle bar. The needle-threading end section includes a sliding body that vertically moves relative to the needle-threading shaft, a positioning body slidable relative to the sliding body, and an interlocking mechanism that vertically moves the sliding body.

The invention discloses a device for positioning accessories of a sewing machine. The device comprises a supporting arm and an accessory arm. According to one aspect, a device for positioning a sewing machine accessory includes a support arm. The supporting arm is used for being connected with the sewing machine and comprises a first connecting part. The first connecting part comprises a first magnetic part. The device further comprises an accessory arm used for being connected with a sewing machine accessory. The accessory arm includes a second connecting member. The first connecting component and the second connecting component are configured to be connected together. The second connecting part comprises a second magnetic part, and when the first connecting part and the second connecting part are connected together, the second magnetic part is attracted by the first magnetic part so as to push the second connecting part to the first connecting part. The first connecting component and the second connecting component are configured to position the sewing machine accessory to a user-determined position.

To provide a threading device for sewing machine which corresponds to a plurality of needles whose height positions are different.SOLUTION: A threading device B for sewing machine includes: a threading shaft 10 which is in parallel with a needle bar 4 moving vertically and which can move vertically and can rotate; a control lever 20 for lowering and rotating the threading shaft; a threading tip part 30 provided at a lower end of the threading shaft, and having a threading hook 31; and a threading stopper 6 provided at the needle bar, and defining the lowering stop position of the threading shaft. The threading device for sewing machine is lowered by the actuation of the control lever, the threading tip part rotates at the lowering stop position, and the threading hook is inserted in one needle hole 2 out of a plurality of needles 1 provided at the needle bar. The threading tip part includes: a slide body 40 for moving vertically with respect to the threading shaft; a positioning body 50 slidable with respect to the slide body; and interlocking mechanisms 13, 54 for allowing the slide body to move vertically with respect to the threading shaft according to the slide of the positioning body.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of fiber three-dimensional fabric sewing, and discloses program control truss type fiber three-dimensional fabric sewing equipment and method for combined machining, and the program control truss type fiber three-dimensional fabric sewing equipment is composed of a frame body, a clamping needle sewing device, a movable clamp and pressing device combination, a carbon fiber thread threading mechanism and a thread dragging mechanism, the movable clamp and the pressing device are combined and arranged below the clamping needle sewing device, the carbon fiber thread threading mechanism is connected with the thread dragging mechanism, the carbon fiber thread threading mechanism is located on the left side of the bottom end of the frame body, and the thread dragging mechanism is located at the front end of the carbon fiber thread threading mechanism. According to the full-automatic truss fiber three-dimensional fabric sewing equipment, parts such as a PLC industrial personal computer, a high-precision servo motor and a high-precision linear guide rail are adopted, the functions of automatic connection of a sewing needle and a carbon fiber line, unmanned automatic sewing of the equipment and the like are achieved, and regular fiber three-dimensional fabric automatic sewing is safely and efficiently achieved.

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.

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.

The utility model discloses a threading device for sewing threads, which relates to the technical field of threading of sewing machines and comprises a presser foot rod and a needle head, and a rectangular frame is fixedly mounted on the side of the presser foot rod. During use, the sensor senses the position of a pinhole and transmits an electric signal to the indicator light, when the indicator light is turned on, alignment work is finished, then a wire is placed in the wire hooking groove, the second sliding plate, the sliding shaft and the extrusion plate are driven by the operating mechanism to move horizontally, and the extrusion plate extrudes and fixes the wire; and when the extrusion plate moves to the inner wall of the other side part of the thread hooking groove, the threading rod and the first sliding plate are driven to synchronously and horizontally move through the extrusion effect, so that the threading rod penetrates through the needle hole, and threading operation is completed. And after threading operation is completed, the second sliding plate, the sliding shaft and the extrusion plate are driven to reset through the operating mechanism, the thread can be taken down from the thread hooking groove firstly, when the second sliding plate continues to move, the threading rod is driven through the extrusion effect to achieve the reset function, and use is convenient and fast.

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

An overlock sewing machine (100) comprises an adjustment input unit (34) that, when moving a needle thread adjustment unit (24) by drawing in a midway portion of a first operation wire (321), controls or reduces the interlocking of a lower looper thread adjustment unit (25) and the upper looper thread adjustment unit (26), which accompanies the movement of the needle thread adjustment unit (24) by an adjustment interlocking unit (27) and the drawing in of a midway portion of a second operation wire (331).

The utility model discloses a sewing machine threading structure and belongs to the technical field of sewing machines, the sewing machine comprises a sewing machine body and a sewing needle arranged on the sewing machine body, the sewing needle is provided with a needle hole, one side of the bottom end of the sewing needle is provided with a supporting frame, and the bottom end of the supporting frame is provided with a presser foot. A sliding block is slidably installed on the inner wall of the supporting frame, a lifting assembly is installed on the sliding block, a supporting block is clamped to the top end of the sliding block, a support is fixedly installed on one side of the supporting block, a supporting rod is slidably installed on the support, and one end of the supporting rod slidably penetrates through the supporting block and is fixedly provided with a buffering assembly. According to the device, the height can be adjusted according to requirements, and the threading head and the sewing needle can be buffered and protected, so that the service life is prolonged, quick mounting and dismounting are facilitated, and later replacement and maintenance are facilitated.

The present invention discloses an automatic threading device and assembly equipment, wherein the automatic threading device comprises a frame, a wire feeding assembly and a threading assembly, wherein the frame is configured to have a threading space, the wire feeding assembly is arranged on the frame and is located above the threading space, and is used to deliver the wire to the threading space, and the threading assembly is arranged on the frame and has a hook, which is located on the side of the threading space and can be movably arranged to enter and exit the threading space; wherein the hook passes through the needle hole of the needle body and hooks the wire when entering the threading space; and the hook brings the wire into the needle hole of the needle body when exiting the threading space. The technical solution of the present invention can realize the automatic threading of the needle body and improve efficiency.

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.

A method and device for precise batch transmission of steel needles and high-precision positioning of needle eyes are characterized in that limiting grooves made of elastic check blocks are evenly formed in a left-row synchronous transmission belt and a right-row synchronous transmission belt, two rotatable swing rods are hung above the synchronous transmission belts, and the steel needles are accurately positioned by means of resistance of the swing rods to the steel needles. The steel needles put on the synchronous belt slide into the left limiting groove and the right limiting groove, positioning errors generated by gaps of the limiting grooves are eliminated by adsorbing the steel needles through magnetic force, and the synchronous belt is controlled to do intermittent movement through photoelectric signals reflected by all the check blocks on the synchronous belt, so that the steel needles are precisely conveyed to preset positions one by one in batches. And then one end of the steel needle, which is provided with a needle eye, is inserted into a vertical hole of a T-shaped three-way module, and two ball-point pen refill-shaped thimbles of which the heads are embedded with balls are respectively inserted into a left hole and a right hole of the T-shaped three-way module, so that the high-precision positioning of the needle eye is realized. The invention has the advantages of low cost, high precision, high efficiency, high reliability, small structure and the like.

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).