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203results about "Needle bars" patented technology

Automated heart valve manufacturing

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.
Owner:EDWARDS LIFESCIENCES CORP

Cloth pricking stroke adjusting device of sewing machine and sewing machine

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.
Owner:JACK SEWING MASCH CO LTD

Flower die fine adjustment structure of multifunctional household sewing machine

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.
Owner:ZHEJIANG ACME SEWING MASCH CO LTD

Needle bar clutch reset device of double-needle sewing machine

The utility model belongs to the technical field of sewing machines. The problem that in the prior art, a single-needle and double-needle switching mechanism is poor in use reliability is solved. The needle bar clutch reset device of the double-needle sewing machine comprises a supporting frame and a locking and unlocking device, needle bars are arranged on the supporting frame in a penetrating mode, the locking and unlocking device is arranged on the supporting frame and used for locking or unlocking the needle bars, and clutch assemblies are arranged on the two needle bars in a sleeving mode at the same time. The clutch assembly comprises a clutch base, two unlocking levers arranged on the clutch base and used for unlocking the needle bars respectively and a locking rod used for locking the two needle bars at the same time, the main shaft is sleeved with an eccentric wheel, the eccentric wheel is connected with the clutch base through a swing rod, and the supporting frame is fixedly connected with a double-stroke air cylinder; an output shaft of the double-stroke air cylinder is horizontally arranged and connected with a trigger rod, the trigger push rod is provided with a protruding part arranged upwards, the protruding part is located below the unlocking lever and the locking rod, and the protruding part, the unlocking lever and the locking rod are located on the same vertical plane. The needle bar clutch reset device has the advantage that the use reliability of the needle bar clutch reset device can be improved.
Owner:TAIZHOU YISUO SEWING MASCH CO LTD

Self-adaptive track sewing machine

The invention relates to a self-adaptive track sewing machine which comprises a rack, a clothes template, a sewing machine head and a sewing table. The costume template comprises an upper mold frame and a lower mold frame, and the upper mold frame realizes Z-axis lifting through a first lifting mechanism and realizes X-axis movement through a first reciprocating mechanism; x-axis movement of the lower die frame is achieved through the second reciprocating mechanism, and Y-axis movement of the sewing machine head is achieved through the third reciprocating mechanism. The upper mold frame and the lower mold frame are respectively provided with a first sliding groove structure, a second sliding groove structure and a slidable clamping plate piece, the position of the clamping plate piece is automatically adjusted by being matched with a detachable adjusting rod assembly, and the position of the clamping plate piece is locked by a first limiting mechanism and a second limiting mechanism (comprising bead screws and tooth structures). Z-axis lifting of the sewing table is achieved through the second lifting mechanism, adjustment interference is avoided, and clamping plate pieces are supported in an auxiliary mode. According to the scheme, needle moving track adjustment can be completed without detaching the template, efficiency and precision are improved, and one template has multiple purposes.
Owner:WENZHOU YOUSAI SEWING EQUIP TECH CO LTD

Stitch length adjusting mechanism and sewing machine

ActiveCN223879993UNeedle barsSewing machine
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.
Owner:TYPICAL SEWING MACHINE WANPING MACHINERY

Double-cam single-drive machine head

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.
Owner:ZHEJIANG ZHAOSHAN MECHANISM-ELECTRICITY CO LTD

Feeding upper pulling machine

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.
Owner:CHEE SIANG IND CO LTD +1

Sewing machine

A sewing machine includes a needle bar, a needle plate formed with a needle hole, a presser bar, a sewing machine motor, a presser motor, and a controller. The controller is configured to perform a first-stitch operation of, at start or restart of sewing, driving the sewing machine motor to move the needle bar from a lower needle position to an upper needle position, and then driving the presser motor to move the presser bar from a lowered position to a normal position. The controller is configured to perform a second-stitch operation of, based on a detection result of movement of a sewing workpiece placed on the needle plate, driving the sewing machine motor to move the needle bar in the upper-lower direction in a state where the presser bar is located at the normal position.
Owner:BROTHER KOGYO KK

Multi-head high-speed quilting machine

The utility model discloses a multi-head high-speed quilting machine which comprises a feeding mechanism, a thread stand, a connecting piece, a front standing table, a main machine, an X-direction moving mechanism, a cloth spreading mechanism and a rear standing table. The feeding mechanism is located at the foremost end of the equipment and connected with the X-direction moving mechanism through a connecting piece. The feeding mechanism is connected with the coil holder; the front standing table is located between the main machine and the wire frame. The X-direction moving mechanism is connected with the host; the cloth spreading mechanism is connected with the X-direction moving mechanism; the rear standing table is positioned behind the main machine; the quilting machine solves the problems of poor thick material sewing capacity and low sewing speed when multiple layers of materials are sewn in the quilting field, greatly improves the production efficiency, and is suitable for large-scale and industrial production requirements.
Owner:SHANGGONG FUYI INTELLIGENT MFG (TIANJIN) CO LTD

Vertical sewing equipment with fixed machine head

The utility model discloses vertical sewing equipment with a fixed machine head, which comprises a machine base, a machine head frame and a vertical shuttle, a needle bar mechanism is arranged above the machine base, the machine head frame is arranged below the machine base and is opposite to the needle bar mechanism, and the machine head frame comprises a horizontally arranged main shaft and a first driving device connected with the main shaft; the machine head frame is provided with a pivoting seat, the pivoting seat is provided with a vertically-arranged driving shaft in a rotating mode, the driving shaft is connected with a main shaft, the main shaft can drive the driving shaft to rotate, the vertical shuttle and the driving shaft are arranged in parallel and are vertically arranged on the pivoting seat, the vertical shuttle is arranged in a pivoting mode, the driving shaft can drive the vertical shuttle to work, and a thread passing hole is formed in the middle of the vertical shuttle. And the needle rod can rotate between a position extending into the thread passing hole and a position far away from the thread passing hole. The main shaft which is horizontally arranged is matched with the driving shaft which is vertically arranged, so that the vertical shuttle which is vertically arranged is driven to rotate, a plurality of devices are driven by one structure, and the whole device is more compact.
Owner:DONGGUAN YANGQIAO ELECTRONIC AUTOMATION EQUIP CO LTD

Needle plate seat of textile equipment

The utility model discloses a needle plate seat of textile equipment, which comprises a needle plate base and a needle seat, the needle seat is arranged at the top of the needle plate base, a placing groove is arranged at the top end of the needle plate base, a plurality of clamping strips are arranged at the bottom of the needle seat, a plurality of clamping holes are arranged on the inner surface of the placing groove, and convex plates are arranged on two sides of the needle plate base. A limiting strip is arranged on one side of each protruding plate, a trapezoidal plate is arranged on one side of each protruding plate, the clamping strips, the clamping holes, the protruding plates, the trapezoidal plates, a threaded rod and a powerful suction cup are arranged, the bottom of the needle base is embedded into the containing groove, one ends of the multiple clamping strips are sequentially embedded into the corresponding clamping holes, and the clamping strips and the clamping holes are connected in a clamped mode; and the height of the powerful suction cup is gradually reduced, the bottom surface of the powerful suction cup is gradually close to the placing surface, and after the powerful suction cup and the placing surface are adsorbed, the firmness of the bottom of the needle plate base is enhanced, and subsequent replacement of needles of different models is facilitated.
Owner:JIANGSU LONGXING INTELLIGENT TECHNOLOGY CO LTD

A needle guard for a sewing machine shuttle

ActiveCN224350914UNeedle bars
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.
Owner:NINGBO YINZHOU YONGYAO SEWING MACHINERY

Sewing machine

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.
Owner:JUKI CORP

Zipper tape sewing apparatus

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.
Owner:NOTAPE INTERNATIONAL LTD

Robot sewing assembly

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.
Owner:NTANHUA PROD CO LTD

Needle bar device of template machine

ActiveCN224243425UWill not affect movementSimple structureThread-break detectorsTake-up devicesMachineNeedle insertion
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.
Owner:ZHEJIANG DUMA SEWING MACHINE

Sewing, counting and cutting linkage device for continuous pleated hemline

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.
Owner:FUJIAN NANPING YIERYING GARMENTS CO LTD

Sewing system, non-transitory computer-readable medium, and sewing machine

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.
Owner:BROTHER KOGYO KK

Suture needle fixing mechanism and zipper equipment

The utility model discloses a suture needle fixing mechanism and zipper equipment, and relates to the technical field of zipper equipment. The needle chuck assembly is arranged at the bottom of the fixed base, a first positioning hole and a second positioning hole are formed in the needle chuck assembly, a first suture needle is installed in the first positioning hole, and a second suture needle is installed in the second positioning hole; the first fixing block is slidably connected with the first positioning hole to fix the first suture needle; the second fixing block is slidably connected with the second positioning hole to fix the second suture needle. According to the suture needle fixing mechanism, the technical problem that the relative positions of two sets of suture needles in an existing suture needle fixing mechanism cannot be completely consistent, so that the distances of zipper suture lines produced by different suture machines are not uniform, and the overall quality of products is affected is solved; the zipper stitching distances produced by different stitching machines are kept uniform, and the overall quality of products is effectively improved.
Owner:ZHEJIANG WEIXING IND DEV

Overedger

The utility model relates to the technical field of sewing machines, in particular to an overedger which comprises a needle plate, a needle seat, a needle seat, a needle seat and a needle seat, the cloth feeding mechanism pushes the textiles on the cloth placing surface to move on the plane where the cloth placing surface is located; the machine needle is configured in the mode that the machine needle is located at the needle falling point position, and the axis of the machine needle is perpendicular to the cloth placing face; the curved needle assembly comprises an upper curved needle and a lower curved needle which are located on the upper side and the lower side of the needle plate respectively, and the upper curved needle, the lower curved needle and the machine needle move relative to the needle plate in stitches needing to be formed. The overedger prevents the lateral force from bending or breaking the machine needle, improves the sewing efficiency and the sewing quality, and is particularly suitable for sewing thicker or harder textiles.
Owner:ZHEJIANG JACK SMART SEWING TECHNOLOGY CO LTD

Stitching tool for stuffed toys

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.
Owner:SUPER YUANQI (ANKANG) SUPPLY CHAIN CO LTD

Sewing machine

The present invention relates to a weaving machine 100 comprising a base 1, configured to support a fabric, an upper arm 2, facing the base 1 and arranged at a predetermined vertical height with respect to the base 1. The weaving machine 100 further comprises an inner chamber comprising an upper portion, at least partially defined by the upper arm 2, and a lower portion, at least partially defined by the base 1, and a working assembly 200, operating between the base 1 and the upper arm 2, configured to carry out a processing of the fabric, at least partially mounted within the upper and lower portion. The weaving machine 100 also comprises a lubrication assembly for dispersing the lubricating liquid within the lower portion of the inner chamber. In greater detail, the lubrication assembly is arranged within the lower portion and the upper portion is fluid-dynamically separated from the lower portion.
Owner:RIMOLDI & CF SRL

Fixator for double decorative threads after joint closing

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.
Owner:SHANGGAO ZHONGJIE SHOES CO LTD

Sewing machine needle bar capable of conveniently fixing needle head

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.
Owner:NINGBO SHUNMA INTELLIGENT MASCH CO LTD

Sewing track limiting structure of pattern sewing machine

The utility model belongs to the technical field of sewing machines, and particularly relates to a sewing track limiting structure of a pattern sewing machine, which comprises a needle bar mechanism, a driving mechanism, a needle support mechanism, a pattern die driving mechanism and a gear mechanism, the driving mechanism is used for driving the needle bar mechanism to vertically reciprocate; the needle support mechanism can drive the needle rod mechanism to horizontally move; the pattern die driving mechanism comprises a pattern cam, a swinging claw and a spring, and the swinging claw can drive the needle support mechanism to move in the first direction when swinging in the direction away from the pattern cam and extrude the spring; the gear mechanism is arranged on the side, located in the first direction, of the needle branch mechanism, and the needle branch mechanism makes contact with the gear mechanism when the swing claw is separated from the protruding area of the pattern cam. Compared with the prior art, the limiting structure can limit the horizontal movement end point of the needle support mechanism through the arrangement of the gear mechanism, the swinging angle of the swinging claw is prevented from being too large, and the limiting structure can be matched with the spring to reset the swinging claw.
Owner:ZHE JIANG SHENG FANG HUA FENG ZHI SHE BEI YOU XIAN GONG SI

Sewing machine with forward and backward sewing and presser foot lifting mechanism

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.
Owner:ZHEJIANG HMC