105results about "Needle bars" patented technology

An automated system that can be used for prosthetic heart valve manufacturing or suturing procedures. The system includes automated fixtures that maneuver a needle and a target device. The automated fixtures can be suturing arms, target device holders, needle transfer fixtures, and / or needle holders. The automated fixtures can rotate a target device held by the holder to allow one or more additional automated fixtures to perform operations such as form sutures on the target device without intervention of a human operator. The system can include a display system configured to display status information of a suturing procedure.

The invention relates to a sewing machine and a cloth pricking stroke adjusting device thereof. The cloth pricking stroke adjusting device comprises a driving mechanism, and an output shaft of the driving mechanism rotates to drive a presser foot lifting cam and an adjusting crank to rotate to a working position; the working positions comprise at least one adjusting position of the presser foot lifting cam and at least one adjusting position of the adjusting crank; the adjusting position of the presser foot lifting cam corresponds to the upper limit position and the lower limit position of the foot lifting module; the adjusting crank is hinged to the adjusting connecting rod, the adjusting position of the adjusting crank corresponds to the target angle of the adjusting crank, and the driving mechanism drives the adjusting crank to swing to the target angle, so that the position of the fixed end of the adjusting connecting rod changes along with the target angle of the adjusting crank. By adjusting the position target of the fixed end of the connecting rod, the target cloth puncturing stroke is correspondingly adjusted, the cloth puncturing stroke adjusting device is applied to the sewing machine, and the sewing machine with the cloth puncturing stroke adjusting function is obtained.

The utility model discloses a pattern die fine adjustment structure of a multifunctional household sewing machine, which comprises a pattern die, a pattern die pawl correspondingly matched with the position of the pattern die is arranged on the pattern die, a baffle is arranged at the tail end of the pattern die pawl, and a pattern die pawl swing frame is arranged on one side of the baffle. A screw capable of driving the pattern mold pawl swing frame to adjust the left-right position is arranged on the pattern mold pawl swing frame, the screw is in threaded connection with the pattern mold pawl swing frame, the tail end of the screw makes contact with the baffle, an induction plate moving along with the pattern mold pawl swing frame is connected to the pattern mold pawl swing frame, and a needle rod assembly moving along with the induction plate is connected to the induction plate. The utility model has the beneficial effects that the position of the pattern die pawl swing frame can be quickly adjusted, the left-right position of the needle bar assembly which is correspondingly matched with the pattern die can be quickly adjusted, the quick fine adjustment effect is realized, the working efficiency can be improved, the precision of parts can be reduced, and the production cost is reduced.

The utility model discloses a stitch length adjusting mechanism and a sewing machine, the stitch length adjusting mechanism comprises a base, an adjusting rod, a knob and a locking piece, the adjusting rod can rotate around the axis of the adjusting rod relative to the base; the adjusting rod is in sliding connection with the knob in the axial direction, and the knob and the adjusting rod can rotate synchronously; the locking piece is movably arranged on the base in the direction perpendicular to the axial direction of the adjusting rod, and the locking piece is provided with a locking position and an unlocking position; an unlocking structure is arranged between the knob and the locking piece, the knob is provided with a first position and a second position relative to the adjusting rod, and when the locking piece is located at the locking position, the knob is located at the first position; when the knob moves from the first position to the second position, the unlocking structure drives the locking piece to be far away from the adjusting rod and move to the unlocking position, and unlocking operation of the stitch length adjusting mechanism is simple.

The invention relates to the technical field of driving machine heads, and discloses a double-cam single-driving machine head which comprises a main shaft, the main shaft is rotationally connected to the inner side of a shell, a first rotating ring is fixedly connected to the outer wall of the main shaft, a sleeve shaft is fixedly connected to the rear end of the main shaft, and a second rotating ring is rotationally connected to the outer wall of the sleeve shaft; a pause ring is fixedly connected to the front end of the sleeve shaft, a ring groove is formed in the front side of the pause ring, a first rotating rod is rotationally connected to the inner side of the shell, a first connecting rod is fixedly connected to the outer wall of the first rotating rod, and a cylinder is rotationally connected to the other end of the first connecting rod. The main shaft rotates to drive the first rotating ring and the sleeve shaft to rotate synchronously, the second rotating ring drives the pause ring to rotate accordingly, the cylinder slides in the ring groove, and when the ring groove rotates to the top, the cylinder is pushed to drive the first connecting rod to swing upwards around the first rotating rod, so that the pause ring is decelerated, stable deceleration of equipment when the equipment runs to a preset position is achieved, and high-speed collision of components is avoided; and mechanical loss and operation noise are reduced.

The utility model provides a feeding upper pulling machine, including: casing, needle bar mechanism, presser foot mechanism and feeding mechanism, the inside of casing is provided with rotatable main shaft to drive needle bar mechanism to do reciprocating motion, the presser foot mechanism is provided with presser foot drive source and can independently rotate presser foot wheel, in addition, the feeding mechanism is installed in the casing, and the feeding mechanism is installed in the casing. The feeding device comprises a driving shaft, a feeding shaft, a feeding driving source, a feeding wheel and a steering assembly, the driving shaft is transversely connected to the feeding driving source, the feeding shaft is longitudinally installed on the machine shell, the feeding driving source drives the driving shaft to transversely rotate, and the steering assembly drives the feeding wheel to rotate. The steering assembly can convert transverse rotation into longitudinal rotation so as to drive the feeding shaft and the feeding wheel to synchronously and longitudinally rotate, so that the needle bar mechanism, the presser foot mechanism and the feeding mechanism can independently operate, and then an internal mechanism of a conventional upper pulling machine can be effectively replaced; therefore, the space configuration of the needle rod mechanism and the feeding mechanism in the machine shell can be improved.

This application relates to a needle guard for a sewing machine shuttle, comprising a support portion and a needle guard portion mounted on the upper side of the support portion; the top of the needle guard portion has a needle guard surface for abutting the needle, and the needle guard portion has a guide surface connected to and inclinedly arranged along the lower edge of the needle guard surface. This application has the effect of reducing the risk of friction and contact between the needle and the tip of the shuttle.

A sewing machine that suppresses sewing defects is provided. The sewing machine includes: a sewing needle, held by a needle bar and moving back and forth while holding an upper thread; a shuttle, configured to hold a bobbin around which a lower thread is wound and which is housed in a bobbin case, and cooperating with the sewing needle to form a seam; a presser foot member, configured to press a to-be-sewn article at a sewing position directly below the sewing needle; a feeding mechanism, feeding the to-be-sewn article from the sewing position to a first direction; a needle drive portion, provided separately from a belt drive portion to synchronously move the sewing needle and the presser foot component in the first direction; and a control portion, which controls so that the needle drive portion and the belt drive portion operate independently.

The present application relates to the field of garment processing. Disclosed is a zipper tape sewing apparatus. The zipper tape sewing apparatus comprises a frame, a sewing head, a fabric conveying device and a zipper tooth pulling device, wherein the frame is provided with a worktable surface, and the sewing head comprises a sewing needle; the fabric conveying device comprises a clamping plate for carrying and tensioning fabric, and the clamping plate is movable in a first direction and is configured to convey the fabric to the worktable surface; the zipper tooth pulling device is configured to convey zipper teeth to the worktable surface in the first direction; and the fabric conveying device and the zipper tooth pulling device are capable of synchronous conveying.

The robot sewing assembly comprises a sewing head body, an upper arm, a motor and a lower arm. The upper arm is connectable to the sewing head body and includes a sewing needle oriented along a first axis. The lower arm is rotatably connected to the sewing head body so as to be rotatable about a second axis transversely defined by the motor relative to the first axis. The lower arm comprises a needle plate, a butterfly curved needle, a first transmission system and a second transmission system. The first transmission system may extend through the lower arm and is configured to maintain a position of the needle plate during rotation of the lower arm. The second transmission system may extend through the lower arm and is configured to drive the butterfly curved needle during rotation of the lower arm.

The technical scheme belongs to the technical field of template machines, and particularly relates to a needle rod device of a template machine, which comprises a rack, a needle rod, a needle head, a needle rod, a needle rod and a needle rod, the displacement mechanism is arranged on the machine frame, the displacement mechanism comprises a displacement driving part and a needle rod connector arranged at the output end of the displacement driving part, the front end of the needle rod connector is arranged outside the machine needle rod in a sleeving mode, and the displacement driving part drives the machine needle rod to move in a reciprocating mode in the needle inserting direction through the needle rod connector; the rotating mechanism is arranged on the machine frame, the rotating mechanism comprises a rotating driving part, the machine needle rod is arranged at the output end of the rotating driving part, and the rotating driving part is used for driving the machine needle rod to rotate with the axis of the machine needle rod as the center.

The utility model discloses a continuous pleated skirt hem sewing, counting and cutting linkage device in the technical field of clothing manufacture, which comprises a jumper spring rod, a pressing plate, a base and a sewing machine, the jumper spring rod is a jumper mechanism of the sewing machine, and the jumper spring rod is a telescopic rod. A worker can conveniently and accurately find a cut-off point position only by checking the counter and the prompting lamp without observing and measuring the cut-off point position, the follow-up repeated finding of a needle skipping position is not needed, the cloth does not need to be cut by scribing on the cloth, the cloth can be clamped through the pressing plate and the base of the device, follow-up cutting is facilitated, the cutting difficulty of the ballet skirt is effectively reduced, and the cutting efficiency is improved. The manufacturing process is simplified, and the requirement for the proficiency of personnel is greatly lowered.

A sewing system is provided with a sewing machine and a terminal device capable of communicating with the sewing machine. The terminal device includes an input portion, a device processor, and a device memory. The device memory stores computer-readable instructions that, when executed by the device processor, instruct the device processor to perform processes. The processes executed by the device processor include acquiring sewing data including needle drop position data representing needle drop positions when sewing an embroidery pattern using the sewing machine, receiving an edit operation, on the input portion, to edit the embroidery pattern, transmitting, to the sewing machine, at least some of the sewing data, before terminating the receiving the edit operation, and transmitting, to the sewing machine, edit data according to the edit operation, after starting the transmitting the at least some of the sewing data.

The application discloses a plush toy sewing tool and relates to the sewing field.The tool comprises a workbench, a needle plate hole is formed in the workbench, a cavity is formed in the workbench and communicates with the needle plate hole, a guide piece is fixedly arranged on the workbench and is provided with a guide hole, two first accommodating holes are formed in the guide piece, a sliding rod is provided with a through hole penetrating along the axial direction of the sliding rod, two second accommodating holes are formed in the outer surface of the sliding rod along the axial direction of the sliding rod, one first accommodating hole and one second accommodating hole communicate with each other, the second accommodating holes and the through hole communicate with each other, the sliding rod is slidingly arranged in the guide hole, the two ends of a needle are provided with needle defects, the needle is rotationally arranged on the sliding rod, one end of the needle penetrates through the first accommodating hole and the second accommodating hole in sequence and is arranged in the through hole, a driving piece is used for driving the sliding rod to make directional reciprocating motion, a water cooling circulation system is arranged in the guide piece, and a rotating shuttle is arranged in the cavity.

The utility model discloses a double decorative thread fixer after close sewing, which comprises a needle seat and a machine needle, a cavity is arranged in the needle seat, the front side and the rear side in the cavity are respectively provided with a second sliding groove, and two plane clamping plates and a wedge-shaped clamping plate are connected in the second sliding grooves in a sliding mode through second sliding blocks. The two wedge-shaped clamping plates are symmetrically positioned between the two plane clamping plates; the number of the machine needles is two, and the machine needles are located between the two adjacent plane clamping plates and the wedge-shaped clamping plates respectively. The two sides of the needle base are in threaded connection with first screws which are used for locking the plane clamping plate. A first sliding groove is formed in the top of the cavity, a wedge-shaped top block is slidably connected into the first sliding groove through a first sliding block, and the wedge-shaped top block is located between the two wedge-shaped clamping plates and used for adjusting the distance between the two wedge-shaped clamping plates. According to the utility model, the line spacing of double lines can be well fixed to be consistent, and the lines are prevented from being bent, so that the standard that two decorative lines can be lathed at one time, the line spacing is consistent and the lines are straight can be achieved, and the working efficiency is improved.

The sewing machine needle bar comprises a needle bar body, a detachable fixing assembly, a needle body, a positioning hole and a second threaded frame, the detachable fixing assembly is arranged at the bottom of the needle bar body, and the second threaded frame is arranged on the right side of the detachable fixing assembly. The needle head body is arranged at the bottom of the fixed detachable assembly, the positioning hole is formed in the right side of the needle head body, and the fixed detachable assembly comprises a fixed column, a first threaded frame, a clamping groove, a first through groove, a positioning column, a limiting groove, a containing groove and a fixed rod. The sewing machine needle bar with the needle head convenient to fix has the advantages of being good in fixing effect and convenient to take out, and solves the problems that when an existing sewing machine needle bar fixes a sewing needle, the sewing needle of different models cannot be fixed, the sewing needle is prone to loosening after being fixed, the sewing needle is damaged, and the sewing needle cannot be taken out conveniently. Meanwhile, the damaged sewing needle is clamped in an inner cavity of the fixing cap and cannot be taken out.

The utility model discloses a sewing machine with a forward and backward sewing mechanism and a presser foot lifting mechanism, which comprises a machine head, a first driving motor and a second driving motor are arranged on the machine head, a first shaft hole is arranged at the joint of the machine head and the first driving motor, and the machine head is further provided with the forward and backward sewing mechanism and the presser foot lifting mechanism. The first driving motor is used for driving the reverse and forward sewing mechanism to operate, the second driving motor is used for driving the presser foot lifting mechanism to operate, the machine head is further provided with a second shaft hole for installing the reverse and forward sewing mechanism, the transverse distance between the center of the first shaft hole and the center of the second shaft hole is 4-10 mm, and the longitudinal distance between the center of the first shaft hole and the center of the second shaft hole is 20-50 mm; the positions of the first shaft hole and the second shaft hole of the machine head are fixed in the transverse direction and the longitudinal direction, so that the installation positions of the first driving motor and the second driving motor which are installed on the machine head are fixed, the structures of the backward and forward sewing mechanism and the presser foot lifting mechanism do not need to be modified, and the overall structure installation speed is increased.

The application discloses a sewing device, comprising a main frame, a first moving mechanism, a locking mechanism, a second moving mechanism, a taking-out mechanism and a linkage mechanism. In the application, through cooperation of the mechanisms, workpiece movement and a puncture action of the sewing machine are formed to be coherent, movement during needle puncture is prevented, the puncture needle is prevented from being broken, and the efficiency problem caused by manual sewing is solved.

The present invention provides a needle for a cover chain stitch sewing machine and a sewing method using the same, which can reduce the difference in size of loops formed by a plurality of needles as much as possible. A surface groove (23) of a needle (10) for a cover chain stitch sewing machine has a step portion (23a) at a position on the shank portion (11) side than the notch portion (24), and the surface groove (23) is formed in such a manner that the depth of the groove becomes deeper as it goes from the needle tip (21) side toward the shank portion (11). That is, a shallow groove portion (23b) is formed at a position on the needle tip (21) side than the step portion (23a), and a deep groove portion (23c) is formed at a position on the shank portion (11) side than the step portion (23a).

The invention relates to the technical field of sewing machines, and particularly discloses a multi-needle turning equidistant stitch sewing machine and a sewing method.The multi-needle turning equidistant stitch sewing machine comprises a rack, a sewing mechanism arranged on the rack, a supporting mechanism, a motion capturing module and a control unit; the sewing mechanism, the supporting mechanism and the motion capture module are all electrically connected with the control unit, the supporting mechanism is located below the sewing mechanism, and the motion capture module is arranged on the sewing mechanism or / and the supporting mechanism; the sewing mechanism comprises a multi-needle feeding mechanism, a working plate which is matched with the multi-needle feeding mechanism and is provided with a plurality of needle holes is arranged on the supporting mechanism, and a plurality of needle groups are respectively matched with the needle holes for use; when the control center opens the motion capture module, the motion capture module is used for obtaining position data, posture data or / and speed data of the to-be-sewn piece between the sewing mechanism and the supporting mechanism in the moving process.

The utility model discloses zipper belt sewing equipment, and relates to the field of garment processing. A zipper belt sewing device comprises a rack, a sewing machine head, a cloth conveying device and a zipper tooth traction device. The machine frame is provided with a working table top, and the sewing machine head comprises a sewing needle. The cloth conveying device comprises a clamping plate used for bearing and tensioning cloth, and the clamping plate can move in the first direction and is used for conveying the cloth to the working table top. The chain tooth traction device is used for conveying chain teeth to the working table in the first direction; the cloth conveying device and the chain tooth traction device can conduct synchronous conveying. The problem that in the prior art, sheet-shaped or special-shaped cloth of different sizes cannot be conveyed can be solved.

This utility model discloses a sewing machine needle bar drive mechanism, including: a motor, a transmission shaft, a transmission component, a transmission assembly, and a needle bar. A drive wheel is connected to the output shaft of the motor, and a driven wheel is connected to the transmission shaft. The transmission component is connected to both the drive wheel and the driven wheel. The ratio of the diameter of the drive wheel to the diameter of the driven wheel is 1:1.5-3. One end of the transmission assembly is connected to the transmission shaft, and the other end is connected to the needle bar. Using this technical solution, a greater output torque can be provided. When a needle is fixed to the lower end of the needle bar, the piercing force of the needle can be increased, facilitating the piercing and sewing of thicker fabrics and the use of thicker threads. The production cost of this drive mechanism is basically the same as the original cost, without increasing production costs. It is suitable for sewing thicker fabrics and thicker threads, and its performance is good.

The invention belongs to the technical field of sewing machines, and particularly discloses a double-needle lifting rotating shuttle seat which comprises a sliding block mounting plate, a plurality of guide grooves are formed in the sliding block mounting plate, a rotating shuttle sliding block transition plate is arranged at the top of the sliding block mounting plate, and guide pins with the same number as the guide grooves are fixedly mounted on the outer wall of the rotating shuttle sliding block transition plate. The top of the rotating shuttle sliding block transition plate is fixedly connected with a needle plate installation plate, and the two sides of the needle plate installation plate are provided with a front rotating shuttle seat installation plate and a rear rotating shuttle seat installation plate respectively. In the sewing process, the sewing machine can be matched with double needles to conduct sewing work on cloth, after sewing is completed, thread residues are automatically cut off, the situation that the sewing quality is affected due to the fact that the thread residues are left is avoided, and after the thread residues are cut off, the sewing machine automatically descends to avoid the movement track of the large tray, so that the working continuity and stability of the sewing machine are guaranteed, and the working efficiency is improved; meanwhile, the distance between the front rotating shuttle seat component and the rear rotating shuttle seat component can be adjusted to adapt to the distance between two needles.

The utility model relates to the technical field of double-needle machines, in particular to a needle position adjusting mechanism of a double-needle machine, which comprises a double-needle sewing machine, and a double-needle assembly is mounted on a machine head of the double-needle sewing machine. The double-needle assembly comprises a mounting column, a round hole is formed in the inner side of the mounting column, a threaded hole is connected to the outer side of the round hole in a penetrating mode, a threaded column is screwed to the inner side of the threaded hole, a cylinder is fixedly connected to the inner side end of the threaded column, and a rotating seat is fixedly connected to the outer side end of the threaded column. By means of the double-needle-head assembly, the steel needle is installed on the inner side of the long installation groove of the installation column in an inserted mode through the needle base of the steel needle, the installation position of the steel needle is accurately positioned, the cylinder is used for clamping and limiting the needle base, the steel needle can be stably installed on the lower side of the installation column, the installation position of the steel needle is stable and cannot deviate due to stress, and therefore the steel needle can be stably installed on the lower side of the installation column. In addition, the supporting rod is arranged on the outer side of the threaded column, the guide ring is installed at the end of the supporting rod, the guide effect in the steel needle wire inlet process can be achieved, and practicability is improved.

The utility model provides a needle structure of sewing machine belongs to sewing machine technical field. A needle structure of sewing machine includes: needle frame, needle frame can swing around first axis, transmission binary, one end of transmission binary and the middle part of needle frame pivotally connected, and the other end is provided with adjusting groove, has fixed shaft on transmission binary, and the fixed shaft is provided with sliding block rotationally, rotatable pivot, eccentric cam, eccentric cam is fixed on pivot, and eccentric cam is set in adjusting groove, adjusting seat, the sliding slot is opened in adjusting seat, and the sliding block is slidably arranged in the sliding slot, adjusting seat can rotate along second axis, wherein, eccentric cam rotation can drive the up and down activity of adjusting groove of transmission binary, knob assembly, knob assembly links with adjusting seat for driving adjusting seat rotates around second axis to adjust the deviation amplitude of sliding block in sliding slot relative to gravity direction.

The utility model discloses an automobile seat surface cover sewing device convenient to replace needles, and relates to the technical field of automobile seat surface cover processing, a plurality of needles are arranged on the periphery of an adjusting disc in a circumferential array mode, when one needle is broken, the adjusting disc can be rotated until the other needle is located at the position where the previous broken needle is located, and then the needle can be replaced conveniently. The limiting structure is used for limiting the adjusting disc, at the moment, the adjusting disc can be continuously used until all the needle heads on the adjusting disc are broken off, the adjusting disc can be directly replaced, the situation that a new needle head is found again for replacement when one needle head is broken off is avoided, and the sewing efficiency of the automobile seat cover is improved; the limiting structure comprising the limiting rod and the extension spring is connected between the adjusting disc and the fixed disc, when the limiting rod is inserted into the limiting groove under the action of the extension spring, the adjusting disc can be limited and prevented from shaking, and the protective cover is arranged on the outer side of the needle head so that the good safety protection effect can be achieved.

The utility model relates to the field of clothing manufacturing, in particular to a sewing machine tooth fork assembling jig. The utility model provides a sewing machine tooth fork assembling jig which can conveniently carry out auxiliary positioning on a presser foot and a machine needle, ensure the accuracy of an installation position and improve the coaxiality of the presser foot and the machine needle. A sewing machine fork assembling jig comprises a base, a sewing machine and the like, and the upper side of the rear portion of the base is connected with the sewing machine. According to the utility model, the overturning die is inserted into the base, the clamping block is used for centering and positioning the machine needle, the positioning clamping block is used for clamping the machine needle, the positioning block is moved, taken out and horizontally rotated, and then the positioning block is inserted into the limiting piece, so that the mounting position of the presser foot is aligned with the fixed frame; the effects that auxiliary positioning can be conveniently carried out on the presser foot and the machine needle, it is ensured that the installation position is accurate, and the coaxiality of the presser foot and the machine needle is improved are achieved.

A robotic sewing assembly is provided. The robotic sewing assembly includes a fixture for supporting an article to be sewn and a robotic arm. The robotic arm includes a sewing head. The sewing head is configured to apply thread to the article. The robotic arm is configured to manipulate the sewing head in multiple directions relative to the article. The fixture includes a servo unit, the article is connected to the servo unit, and the servo unit is configured to manipulate the article in multiple directions relative to the sewing head. The robotic arm, sewing head, and servo unit can operate cooperatively.

The utility model relates to the technical field of fabric sewing assisting equipment, and discloses a hollow fiber moisture absorption and sweat releasing fabric sewing assisting device which comprises a bottom plate, two sliding grooves are formed in the top of the bottom plate, sliding blocks are arranged in the two sliding grooves in a sliding mode, and the two sliding blocks are connected with the bottom plate in a sliding mode. First control strips are rotationally connected to the tops of the two sliding blocks, two second control strips are rotationally connected between the front ends and the rear ends of the two first control strips, a sewing machine body is arranged at the top of the first control strip on the right side, and a sewing head replacing assembly is arranged at the bottom of the left side of the sewing machine body; the suture needle replacing assembly is used for rapidly replacing the suture head. According to the sewing auxiliary tool, fabric needing to be sewn is placed between the two first control strips and on the magnetic plate, the magnetic block covers the fabric to clamp the fabric, at the moment, the second control strip is pushed forwards to slide on the bottom plate, so that the steering of the guide rail is controlled, and the problem that the sewing auxiliary tool cannot assist a complex sewing task is solved.