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734 results about "PRESSURE FEET" patented technology

To Measure: When presser foot is down, measure the distance from the bottom of the pressure foot to the screw-hole that holds the foot onto the presser bar. A high shank machine measures approximately 1 1/4" from the presser foot screw to the bottom of the foot.

Seam starting control method based on presser foot lifting feeding

The invention provides a sewing starting control method based on presser foot lifting feeding. The sewing starting control method comprises the following steps that an electric control unit, a presser foot rod, a presser foot and a presser foot lifting mechanism are arranged in a sewing machine; after the sewing material to be sewn is placed, the presser foot is put down, and the electric control unit receives a thick material sewing starting signal; before a feeding tooth sinks downwards into a needle plate during sewing of a first needle, an electric control unit controls a presser foot lifting driving source to act, the presser foot lifting driving source drives a presser foot rod and a presser foot to move upwards through a presser foot lifting transmission unit, the presser foot is lifted to the sewing target height, and the upwarp angle of the presser foot relative to the horizontal plane is reduced; at the moment, the presser foot is still pressed and attached to the sewing starting part of the to-be-sewn sewing material, and the horizontal component force of the pressure applied to the sewing starting part of the to-be-sewn sewing material by the presser foot is not larger than the maximum static friction force between the sewing starting part of the to-be-sewn sewing material and the sewing machine needle plate; in this way, after the feeding teeth sink downwards into the needle plate in the first stitch starting process, the undesirable phenomenon that the sewing starting part of the sewing material to be sewn is pushed away by the presser foot is avoided, and sewing starting material pushing is effectively avoided.
Owner:JACK SEWING MASCH CO LTD

A driving device for thread cutting, presser foot lifting and lowering, and stitch length adjustment

The present invention provides a driving device for thread cutting, presser foot lifting and needle pitch adjustment, belonging to the technical field of sewing machines. It solves the problems such as reduced working efficiency of the existing device when meeting the requirements of driving thread cutting, presser foot lifting and needle pitch adjustment by one motor. The driving device for thread cutting, presser foot lifting and needle pitch adjustment includes a motor. A separately arranged thread cutting cam, a presser foot lifting cam and a needle pitch adjusting cam are fixedly connected to the rotating shaft of the motor. Both the thread cutting cam and the presser foot lifting cam are diamond-shaped, and the needle pitch adjusting cam is a curved quadrilateral. The needle pitch adjusting mechanism abuts against the outer peripheral wall of the needle pitch adjusting cam. When the effective needle pitch adjusting section of the needle pitch adjusting cam acts on the needle pitch adjusting mechanism, the thread cutting idle stroke surface of the thread cutting cam acts on the thread cutting mechanism, and the lifting idle stroke surface of the presser foot lifting cam acts on the presser foot lifting mechanism. This device meets the requirements of driving thread cutting, presser foot lifting and needle pitch adjustment by one motor and improves the working efficiency of the sewing machine at the same time.
Owner:QIXING INTELLIGENT TECH CO LTD

Cloth stalk crossing detection sewing device and method

The invention provides a cloth stem-crossing detection sewing device and method. The cloth stem-crossing detection sewing device comprises a first presser foot rod provided with an outer presser foot, a second presser foot rod provided with an inner presser foot, a presser foot transmission mechanism, a control module, a sewing material thickness detection sensor, an alternating quantity adjusting mechanism, an alternating quantity detection sensor and an alternating quantity adjusting driving source. The sewing material thickness detection sensor is obliquely mounted at the bottom of the sewing machine shell; detection points, falling on the sewing material, of the sewing material thickness detection sensor are distributed on the rear sides of the outer presser foot and the inner presser foot in the feeding direction of forward feeding during forward sewing of the sewing machine; the presser foot transmission mechanism is provided with a transmission swing seat for determining the alternating quantity of presser feet, and the alternating quantity adjusting driving source is connected with the transmission swing seat through the alternating quantity adjusting mechanism. The sewing material thickness is effectively detected in advance, so that the presser foot alternation amount is adjusted in time, the presser foot alternation amount of the sewing machine adapts to the change of the sewing material thickness, efficiency is improved, stem-crossing stitches are beautified, and sewing quality is guaranteed.
Owner:JACK SEWING MASCH CO LTD

Presser foot driving device and machine head of computerized embroidery machine

The utility model discloses a presser foot driving device and a machine head of a computerized embroidery machine, the presser foot driving device comprises a connecting rod mechanism, the connecting rod mechanism comprises a plurality of hinging positions, and when a presser foot driver is located at the lowest position and the highest position, the connecting rod mechanism is hinged to the connecting rod mechanism. The multiple hinge positions include a first hinge position, a second hinge position and a third hinge position which are adjacent to one another, a connecting line of a hinge center (A or D) corresponding to the first hinge position and a hinge center (B or E) corresponding to the second hinge position, and a connecting line of a hinge center (B or E) corresponding to the third hinge position. The included angle between the connecting lines of the hinge center (C or F) corresponding to the third hinge position and the hinge center (B or E) corresponding to the second hinge position ranges from 170 degrees to 190 degrees, by adjusting the included angle, synchronous movement of the presser foot driver and a needle rod is facilitated, instant impact force generated when the presser foot driver makes contact with a presser foot sliding sleeve is reduced as much as possible, noise is reduced, and the service life of the presser foot sliding sleeve is prolonged. And meanwhile, the cloth pressing pause time of the presser foot is ensured.
Owner:ZHEJIANG MAYA MECHANICAL & ELECTRICAL TECH CO LTD

Sewing machine presser foot lifting control method

The invention relates to the technical field of sewing machines, in particular to a sewing machine presser foot lifting control method, which is characterized in that a main shaft motor, a feed lifting motor, a driving motor, a main shaft driven by the main shaft motor to rotate, a feed dog frame positioned below a needle plate and a feed dog mounted on the feed dog frame are arranged in the sewing machine; the main shaft drives the tooth frame and the feeding teeth to move back and forth in a reciprocating manner through a feeding mechanism connected between the main shaft and one end of the tooth frame; the feed lifting motor drives the feed rack and the feeding teeth to reciprocate up and down through a feed lifting mechanism connected between the feed lifting motor and the other end of the feed rack; the driving motor drives the presser foot to lift through a presser foot lifting mechanism connected between the driving motor and the presser foot; and before the driving motor drives the presser foot lifting mechanism to execute the presser foot lifting action, the feed dog lifting mechanism is driven by the feed dog lifting motor to enable the feed dog to be below the needle plate. The cloth cannot be dragged even if the feeding teeth move back and forth when the presser foot is lifted, so that the cloth can be conveniently taken and placed, the cloth is protected from being scratched, and the influence on the use of customers is avoided.
Owner:JACK SEWING MASCH CO LTD

PI controller parameter optimization method and device, control system, terminal and medium

The invention provides a PI controller parameter optimization method and device, a control system, a terminal and a medium, and the PI controller parameter optimization method comprises the steps: setting a plurality of height sampling points in a presser foot stroke range of a sewing machine; for each height sampling point, determining an initial parameter of any one of a proportional gain KP and an integral gain KI of the PI controller and an initial parameter interval of the other parameter through a preliminary test; and optimizing the other parameter in the initial parameter interval by adopting an iterative approximation method to obtain an optimized parameter of the PI controller. Through precise PI controller parameter optimization design, the control precision of a user on different presser foot heights can be met. In addition, characteristics of different sewing materials and diversified working condition requirements can be effectively met, and powerful support is provided for efficient and high-quality development of sewing work.
Owner:ZHEJIANG ZOBOW MECHANICAL & ELECTRICAL TECH

Multi-head F clamp

The utility model relates to the technical field of manual hardware tools, in particular to a multi-head F clamp which comprises a sliding rod of an F structure and a movable clamping foot, the movable clamping foot capable of being adjusted in a sliding mode is assembled on the transverse structure portion of the sliding rod, the lower end of the movable clamping foot is in threaded connection with a first lead screw in a penetrating mode, and a first pressing foot is installed at the left end of the first lead screw. A first cross arm penetrates through the right end of the first lead screw, and a multi-head mechanism is arranged on the sliding rod on the right side of the movable clamping foot. The multi-head mechanism comprises a movable seat, movable arms, second presser feet, second lead screws and a second cross arm, the movable seat sleeves the sliding rod, two groups of movable arms are hinged to the lower side of the movable seat, the second lead screws penetrate through and are in threaded connection with the lower ends of each group of movable arms, and the second presser feet with the same specification as the first presser feet are mounted at the left ends of the second lead screws; and a second cross arm penetrates through the right end of the second lead screw. The multi-head mechanism is additionally arranged, so that a plurality of different workpieces can be clamped at the same time, the clamping range is wide, and the working efficiency and the use convenience are greatly improved.
Owner:WEIHAISHIWEILI TOP GRADE TOOL CO

Double-stepping overedger

The utility model belongs to the technical field of sewing machines, and particularly relates to a double-stepping overedger which comprises a machine body, and a thread trimming assembly, a presser foot lifting assembly, a feed lifting tooth shaft and a feeding tooth frame are arranged in the machine body. The first stepping motor is arranged on the side face of the machine body, a first motor shaft is arranged in the first stepping motor, and double cams are installed on the periphery of the first motor shaft and used for driving the thread trimming assembly and the presser foot lifting assembly to act; the second stepping motor is arranged on the side face of the machine body, a second motor shaft is arranged in the second stepping motor, a first crank is installed on the periphery of the second motor shaft, and one end of the first crank is connected with a connecting rod. The second stepping motor can control the height of the feeding tooth frame, the rotation angle of the stepping motor is utilized to enable the teeth to operate according to the set height, through double-stepping control, non-pneumatization and non-electromagnet are achieved, production noise can be lowered, and the sewing effect is improved.
Owner:TAIZHOU SUPU ELECTROMECHANICAL CO LTD

Sewing action recognition method and system, medium and terminal

The invention provides a sewing action recognition method and system, a medium and a terminal. The method comprises the following steps: acquiring a sewing machine working area image when a turner performs sewing operation; acquiring a cloth contour and a hand position in the working area image of the sewing machine; acquiring sewing action information of the sewing machine; the sewing action information comprises the sewing needle number, the presser foot lifting state and the thread trimming frequency; and obtaining a sewing action recognition result according to the cloth contour, the hand position and the sewing action information. According to the sewing action recognition method and system, the medium and the terminal, accurate recognition of the sewing action is achieved through fusion of multi-modal data, and rapidness and high efficiency are achieved.
Owner:JACK SEWING MASCH CO LTD

Trimming presser foot lifting mechanism of button sewing machine

The utility model provides a trimming and presser foot lifting mechanism of a button sewing machine, which comprises a driving motor, a presser foot lifting driving block, a trimming driving block, a trimming blade and a button clamp block which are arranged in a machine shell, a driving cam is arranged on an output shaft of the driving motor, the presser foot lifting driving block and the trimming driving block both abut against the side face of the driving cam, and the button clamp block is arranged on the side face of the driving cam. When the driving motor drives the driving cam to rotate, the driving cam sequentially drives the thread trimming driving block and the presser foot lifting driving block to rotate, and the rotating thread trimming driving block and the rotating presser foot lifting driving block respectively drive the thread trimming blade and the button clamp block to sequentially rotate through linkage pieces. According to the trimming and presser foot lifting mechanism of the button sewing machine, the driving motor drives the driving cam to rotate, trimming and lifting are driven in a staggered mode, trimming is conducted firstly, then presser foot lifting is conducted, trimming thread ends are shorter, stitches are more attractive, the subsequent thread end trimming process does not need to be set, and therefore the production cost is reduced.
Owner:林辉红

Combined driving mechanism of bar tacking machine and bar tacking machine

The utility model relates to the technical field of bartacking machines, in particular to a combined driving mechanism of a bartacking machine and the bartacking machine. Comprising a thread sweeping mechanism used for executing a thread sweeping action; the presser foot lifting mechanism is used for executing a presser foot lifting action; the thread trimming mechanism is used for executing a thread trimming action; the driving motor is used for driving the thread sweeping mechanism, the presser foot lifting mechanism and the thread trimming mechanism to work; the thread sweeping mechanism comprises a thread sweeping action assembly, a thread sweeping mechanism and a thread sweeping mechanism, the transmission arm is used for being connected with the driving motor; the thread sweeping connecting rod is used for connecting the thread sweeping action assembly and the transmission arm, so that the driving motor can drive the thread sweeping action assembly to execute the thread sweeping action; the thread sweeping mechanism further comprises an independent driving assembly, and the independent driving assembly can independently drive the thread sweeping mechanism to work.
Owner:ZHEJIANG DUMA SEWING MACHINE

Press foot device and circuit board processing equipment

The utility model discloses a presser foot device and circuit board processing equipment, the presser foot device comprises a scrap suction cover body, a presser foot assembly and a driving assembly, the scrap suction cover body is provided with a through hole, the presser foot assembly comprises a sliding plate, a first presser foot and a second presser foot, the sliding plate is movably connected with the scrap suction cover body, the first presser foot and the second presser foot are respectively arranged on the sliding plate, and the driving assembly is arranged on the sliding plate. The driving assembly comprises a driving piece and an elastic rod, the driving piece is connected with the scrap suction cover body, one end of the elastic rod is connected with the driving piece, the other end of the elastic rod is connected with the sliding plate, and the driving assembly is used for driving the sliding plate to move between the first position and the second position relative to the scrap suction cover body. The driving piece is connected with the sliding plate through the elastic rod, and the elastic rod has flexibility and toughness, so that the elastic rod has stretching rigidity while having pulling rigidity, the driving piece can pull the sliding plate to move or push the sliding plate to move through the elastic rod, the purpose of switching the presser foot is achieved, and the presser foot switching mechanism is simple in structure and low in cost.
Owner:HANS CNC SCI & TECH

Tape embroidery device and embroidery machine

The embodiment of the utility model discloses a taping embroidery device and an embroidery machine. The device comprises a machine shell, a presser foot part and a charging tray part. The presser foot lifting driving mechanism of the presser foot part comprises a presser foot driving motor and a presser foot guide rod which are arranged on the machine shell. The device further comprises a feeding piece and a feeding driving mechanism, and the feeding piece is driven by the feeding driving mechanism to move up and down so as to pull the rope or the belt out of the material disc frame of the material disc part and lower the rope or the belt. The feeding driving mechanism comprises a feeding driving rod and a feeding driving motor which are arranged on the machine shell. According to the embodiment of the invention, the feeding piece and the feeding driving mechanism can be additionally arranged on an existing taping embroidery device, so that when a rope or a belt is conveyed to a presser foot or a pipe nozzle of the presser foot part from the material disc frame, the feeding piece can be driven to ascend and descend by the feeding driving mechanism, and a part of the rope or the belt is pulled out in advance; the phenomenon that the embroidery is pulled and deformed due to the fact that the rope or the belt which is punctured into the embroidery material by the upper thread is pulled and tightened by the tabouret can be avoided.
Owner:浙江镨美科智能刺绣设备有限公司

Tape embroidery device and embroidery machine

The embodiment of the utility model discloses a taping embroidery device and an embroidery machine. The device comprises a machine shell, a presser foot part, a material disc part and a rotary driving mechanism. The presser foot sleeve vertically penetrates through the machine shell, the rotary driving mechanism drives the material disc frame to rotate, and a first shaft sleeve is arranged outside the presser foot sleeve. The taping embroidery device further comprises a second shaft sleeve, a feeding ring piece and a feeding driving mechanism. The second shaft sleeve is arranged outside the first shaft sleeve, and the feeding ring piece is installed on the second shaft sleeve and allows a strip on the material disc frame to penetrate through and be fed into a pipe nozzle or a pressing foot of the pressing foot part. The feeding driving mechanism drives the second shaft sleeve to ascend and descend so as to drive the feeding ring piece to ascend and descend in the vertical direction. The rotation driving mechanism drives the first shaft sleeve to rotate so as to drive the second shaft sleeve provided with the feeding ring piece to rotate. According to the embodiment of the invention, the belt material can be fed into the feeding ring piece from multiple angles after being pulled out of the material disc, and the feeding ring piece can output the flattened belt material, so that the belt material locked by an upper thread is smooth, and the embroidery quality is high.
Owner:浙江镨美科智能刺绣设备有限公司

Conjugate cam presser foot driving device and embroidery machine

The invention discloses a conjugate cam presser foot driving device and an embroidery machine, and relates to the embroidery technology, the conjugate cam presser foot driving device comprises a conjugate connecting rod assembly driven by a conjugate cam, and the conjugate cam is provided with an inner cam surface and an outer cam surface; the conjugate connecting rod assembly comprises a conjugate connecting rod rotationally connected to the first conjugate connecting rod pin and a presser foot driving connecting rod rotationally connected to the second conjugate connecting rod pin, the conjugate connecting rod is provided with a first transmission part and a second transmission part, and the presser foot driving connecting rod is provided with a presser foot driving part; the first transmission part is matched with the inner cam surface, and the second transmission part is matched with the outer cam surface, so that the conjugate cam drives the conjugate connecting rod to rotate through the first transmission part and the second transmission part, the conjugate connecting rod drives the presser foot driving connecting rod to rotate, the presser foot driving part is arranged below the presser foot positioning block, and the presser foot positioning block is connected with the presser foot. And the presser foot driving connecting rod is synchronous with the lifting of the presser foot when driving the presser foot to work, so that the presser foot driving part is always in contact with the bottom surface of the presser foot positioning block.
Owner:ZHEJIANG XINSHENG SEWING EQUIP

Tape embroidery device and embroidery machine

The embodiment of the utility model discloses a taping embroidery device and an embroidery machine. The device comprises a presser foot rotation driving mechanism for driving a presser foot sleeve to synchronously rotate along with the embroidery stitch direction. The device comprises a charging tray rotation driving mechanism for driving a charging tray shaft sleeve to rotate, and the charging tray shaft sleeve synchronously rotates relative to a presser foot sleeve during sawtooth embroidery operation. The device comprises a swing rod structure which is installed on a material disc shaft sleeve and provided with a first conveying piece. The device further comprises a feeding lifting driving mechanism which drives the feeding shaft sleeve to ascend and descend so as to drive the swing rod structure to swing, so that the first conveying piece swings on the left side and the right side of a path formed in the embroidery stitch direction, and sawtooth embroidery is completed. In this way, the swing rod structure is additionally arranged on the material disc shaft sleeve, swing of the conveying piece is achieved based on an existing feeding driving part, implementation is convenient, and mechanical abrasion caused by frequent rotation of the presser foot sleeve is reduced. And during alternate embroidering, another operation to be alternately executed is not influenced.
Owner:浙江镨美科智能刺绣设备有限公司

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

Manual cutting machine

The utility model relates to a manual cutting machine which comprises a base, a guide rail is fixedly connected to the base, a cutting machine head is connected to the guide rail in a sliding mode, a handle is movably connected to the cutting machine head in a rotating mode, and a pressing foot is movably connected to the bottom of the handle in a rotating mode. The magnetic attraction structure is located between the presser foot and the handle, and the magnetic attraction structure can enable the presser foot to be in an attraction state; the adsorption releasing structure is used for releasing adsorption matching between the magnetic adsorption structures and comprises a pin shaft arranged on the handle and a torsion spring arranged on the pin shaft in a sleeving mode, the torsion spring is provided with a first torsion arm and a second torsion arm, the first torsion arm is fixedly connected with the handle, and the second torsion arm is fixedly connected with the handle. And the second torsion arm is positioned between the presser foot in the adsorption state and the bottom of the guide rail. According to the utility model, the presser foot can be folded and unfolded more conveniently and quickly.
Owner:永康市特博威工贸有限公司

A safety protection method for preventing foot crushing when placing goods on a pallet handling robot

PendingCN122079048ASafety devices for lifting equipmentsSafety firstBrake
This invention discloses a method for preventing foot crushing during pallet handling robot loading. The method includes: a hardware configuration step, configuring detection sensors and connecting them to a controller and a safety PLC; a first detection stage step, initiating obstacle detection when the fork arm extends; a first response step, pausing the controller and / or using the safety PLC's power-off brake to urgently stop and issue an alarm when an obstacle is detected; a second detection stage and dynamic shielding step, continuously detecting during the fork arm descent and distinguishing between the pallet and real obstacles through a dynamic shielding mechanism based on height thresholds and / or visual recognition to avoid false detections; a second response step, triggering a safety response for unshielded obstacles; and a recovery and exit step, automatically recovering or exiting after a timeout based on obstacle removal. This method achieves proactive safety protection throughout the entire loading process, ensuring personnel safety while avoiding accidental shutdowns through intelligent dynamic shielding, thus balancing safety and operational efficiency.
Owner:GUANGDONG TUSK ROBOT CO LTD

PI controller parameter optimization method and device, configuration method, terminal and medium

The invention provides a PI controller parameter optimization method and device, a configuration method, a terminal and a medium, and the parameter optimization method comprises the steps: S100, setting a plurality of height sampling points in a presser foot stroke range of a sewing machine; step S200, for each height sampling point, maintaining any one of the proportional gain KP and the integral gain KI to be constant, and dynamically adjusting the other one of the proportional gain KP and the integral gain KI; s300, based on the proportional gain KP and the integral gain KI, generating a pulse width modulation control signal to drive a presser foot lifting mechanism of the sewing machine to execute a presser foot lifting action; s400, a presser foot displacement signal collected in real time is obtained, and an actual presser foot lifting track is generated through signal processing; and step S500, if the actual presser foot lifting track is the ideal presser foot lifting track, marking the dynamically adjusted parameters as optimized parameters. According to the method, the complexity of optimizing the parameters of the PI controller is reduced, intelligent configuration of the parameters of the PI controller is realized, and the efficiency is remarkably improved.
Owner:ZHEJIANG ZOBOW MECHANICAL & ELECTRICAL TECH

Presser foot lifting control method of sewing machine and sewing machine

The invention relates to a presser foot lifting control method of a sewing machine and the sewing machine, and the presser foot lifting control method of the sewing machine comprises the following steps: receiving a voltage value of an electronic pedal; when the sewing machine is in the first state, determining a target presser foot lifting mode and a preset presser foot lifting height according to sewing requirements; the first state comprises a sewing state; according to the voltage value and the target presser foot lifting mode, the target presser foot lifting height of the presser foot is determined; the target presser foot lifting height is smaller than or equal to the preset presser foot height. By means of the presser foot lifting device, the situation that the presser foot is collided with the machine needle in the sewing process is avoided, and meanwhile the sewing efficiency is improved by combining automatic control over the height of the presser foot lifting device.
Owner:ZHEJIANG JACK SMART SEWING TECHNOLOGY CO LTD

Vertical feeding sewing machine

To provide a vertical feeding sewing machine having good workability.SOLUTION: A vertical feeding sewing machine comprises: a feeding device 30 to feed a sewn object on a needle plate 14 by a feed dog from below the needle plate 14; an upper feeding device 40 to vertically move a presser foot 41 and a feed foot 42 alternately on the needle plate 14 and feed the sewn object on the needle plate 14 by the feed foot 42 from above the needle plate 14; an upper feeding height adjusting mechanism 60 to adjust height of vertical movement of the feed foot 42; and a pedal 96 capable of inputting operation by foot of an operator. The upper feeding height adjusting mechanism 60 raises the height of the vertical movement of the feed foot 42 by operation of the pedal 96.SELECTED DRAWING: Figure 8
Owner:JUKI CORP

Lower thread cutting device of flat interlocking seam sewing machine

The invention provides a lower thread cutting device of a flat chain seam sewing machine. According to the utility model, the problem that the operator is difficult to understand and inconvenient due to the difference that whether the tension applied to the thread by the thread trapper can be released or not by operating the pedal and operating the presser foot lifting rod due to the presence or absence of the lower thread cutting device can be solved. The lower thread cutting device is provided with a lower thread cutting operation mechanism (5) which enables the thread loosening mechanism (4) and the lower thread cutting mechanism (3) to operate, and a presser foot lifting operation mechanism (6) which does not enable the lower thread cutting mechanism (3) to operate and enables the thread loosening mechanism (4) and the presser foot lifting mechanism (2) to operate. Therefore, the force of the thread trapper (11) can be released by operating the pedal plate with a foot regardless of the presence or absence of the off-line cutting device.
Owner:PEGASUS SEWING MASCH MFG CO LTD +1

Sewing machine accessory (moving overlock presser foot)

1. Name of the designed product: sewing machine accessory (movable hemming presser foot) 2. Use of the designed product: the designed product is used for the movable hemming presser foot of a sewing machine. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view.
Owner:钟细末

An automatic overhead line jointing machine

The application discloses an automatic open line stitching machine, which comprises a rack, wherein an upper feeding mechanism is arranged on the middle part of the upper surface of the rack, a seam material is placed on the upper feeding mechanism, the upper feeding mechanism can be used for supporting, shaping, rotating, lifting and feeding the seam material to the next work station, an XY motion mechanism is connected with a presser foot mechanism, the XY motion mechanism can control the presser foot mechanism to move downward and press the seam material, and the XY motion mechanism can also be used for conveying the seam material to a sewing head for open line sewing, the XY motion mechanism is also used for conveying the seam material to a front material collecting mechanism, the front material collecting mechanism is used for pushing the seam material to an ironing mechanism for ironing, and a rear material collecting mechanism is used for collecting the seam material after ironing. The application can achieve the advantages of beautiful stitching line, high sewing quality, fast sewing speed and the like, greatly reduces the requirement for operators, reduces labor, improves quality and efficiency, and reduces the labor cost of a garment factory.
Owner:SHANGHAI WEISHI MACHINERY

PCB processing energy-saving presser foot

The utility model discloses a PCB processing energy-saving presser foot which comprises a presser foot body, a sealing ring and an air curtain plate, an annular groove is formed in the middle of the presser foot body, a dust suction pipe connector communicated with the annular groove is arranged on the side face of the presser foot body, and the sealing ring is arranged on the upper portion of the presser foot body and connected with the presser foot body in a sealed mode. A sealed annular air channel is formed between the presser foot body and the sealing ring, an air inlet communicated with the annular air channel is formed in the outer side of the presser foot body, a plurality of air channel through holes extending downwards are formed in the annular air channel, and the air curtain plate is arranged at the bottom of the presser foot body and connected with the presser foot body in a sealed mode. The air curtain plate or the presser foot body is provided with an air curtain generating assembly communicated with the air channel through hole, and a brush is arranged at the bottom of the air curtain plate. The situation that cold air in a workshop is exhausted out of the workshop along with a dust extraction system can be reduced to a certain extent, the power utilization cost of the workshop is saved, and the energy loss of the workshop is also saved.
Owner:CHENGDU JINDALI TECH

Presser foot structure and sewing machine

The utility model belongs to the technical field of sewing equipment, and particularly relates to a presser foot structure and a sewing machine, the presser foot structure comprises a presser foot body, a pressing plate is arranged on the rear side surface of the presser foot body, and the pressing plate can press a sewing material without rolling; the presser foot is simple in structure, the pressing plate is arranged on the presser foot body for pressing materials, the material pressing area of the presser foot body is prolonged, fabric is prevented from being rolled after an elastic band is sewn, a cutter of the thread cutting structure can conveniently cut off a sewing thread and the elastic band, the situation that the work efficiency is affected due to mistaken cutting or empty cutting is avoided, and the working efficiency is improved. And the quality of the machine is improved.
Owner:ZHEJIANG HOVER TECH SEWING MACHINE CO LTD

Presser foot

1. Name of the design product: Presser foot. 2. Use of the design product: For sewing machine accessories. 3. Design key points of the design product: Lies in the shape. 4. Picture or photo that best shows the design key points: Perspective view of Design 1. 5. Design 1 is designated as the basic design.
Owner:陈雪斐

Sewing machine widening feed presser foot

This utility model relates to the field of sewing machine presser foot technology, and discloses a widened feed presser foot for sewing machines. It includes a presser foot body with an adjustment groove inside. A guide foot is fixedly connected to one side of the presser foot body, and an adjustment assembly is provided inside the presser foot body. The adjustment assembly includes an extension rod, which is slidably connected inside the adjustment groove. An extension foot is fixedly connected to one side of the extension rod, and a fastening bolt is threaded inside the extension rod. A butterfly knob is fixedly connected to the top of the fastening bolt. In this utility model, the extension foot is adjusted and limited within the adjustment groove via the extension rod. After the extension foot is adjusted to the correct position, the fastening bolt is simply rotated using the butterfly knob, causing the fastening bolt to screw into the extension rod and abut against the presser foot body. This achieves the effect of easily adjusting the width of the presser foot, solving the problems of narrow presser feet easily causing fabric shifting, uneven feed due to vibration, difficulty in aligning with the fabric, and a small force-bearing area, thus improving the practicality of the presser foot.
Owner:东莞市顺琦手袋实业有限公司

Control method, control device and sewing system for a sewing machine

ActiveCN115538049BLever pressingPRESSURE FEET
The application provides a sewing machine control method, a control device and a sewing system. The sewing machine comprises a rack, a first driving assembly, a lifting piece, a pressing rod, an elastic piece, a presser foot, a needle plate and a needle assembly. The first driving assembly is arranged on the rack. One end of the lifting piece is connected with the first driving assembly. The other end of the lifting piece is connected with the pressing rod and one end of the elastic piece respectively. The other end of the elastic piece is fixed on the rack. The pressing rod is connected with the presser foot. The first driving assembly is used for driving the lifting piece to compress or stretch the pressing rod, so that the pressing rod drives the presser foot to lift or drop. The elastic piece is in a compressed state when the presser foot lifts or drops. The method is characterized in that the method comprises the following steps: controlling the first driving assembly to drive the lifting piece to stretch the pressing rod, so that the pressing rod drives the presser foot to drop until the presser foot contacts the needle plate; and controlling the needle assembly to sew a first needle on a to-be-sewn article. The control method solves the problem that the first needle of the sewing machine cannot form a stitch in the prior art.
Owner:ZHEJIANG ZOJE SEWING MACHINE