93 results about "PRESSURE FEET" patented technology

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.

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.

1. Name of the designed product: introduction press part of a presser foot attachment for a cutting tool 2. Use of the designed product: the whole of the designed product is used for a presser foot attachment for a cutting tool in which a blade is fixed to a holder using a fastening member, and the partial design is used for an introduction press part of a presser foot attachment for a cutting tool. 3. Design points of the designed product: in shape 4. Picture or photograph best indicating the design points: Fig. 1 5. In each view, the part indicated in solid line, except the part indicated in broken line, is the partial design claimed as a partial design. In addition, in Figs. 1 and 2, the part other than the part indicated in hatching is the partial design claimed as a partial design.

This utility model relates to the technical field of book trimmer devices and discloses a quick-release presser foot device for a book trimmer, including a book trimmer connecting assembly. A quick-release component is provided at the bottom of the book trimmer connecting assembly, and a connecting base is provided at the bottom of the quick-release component. A presser foot is fixed at the bottom of the connecting base. This utility model, by providing a book trimmer connecting assembly, allows for more precise pressing and contact with the material to be cut under the contact of the book trimmer connecting assembly. Furthermore, the positioning rod is inserted and connected to the bottom of the fixed connecting plate and the bottom connecting plate, making the connection more stable and preventing displacement. It also makes subsequent replacement and disassembly more convenient, resulting in a more secure installation, more accurate positioning, and greater stability compared to magnetic connections.

1. Name of the product in this design: Sewing machine presser foot. 2. Purpose of this design: For use as a presser foot in a sewing machine. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

This invention relates to the field of sewing machine technology, and discloses a thread-releasing and presser foot lifting mechanism for a sewing machine and a sewing machine. The mechanism includes a thread-releasing assembly for opening the thread clamp and a presser foot lifting assembly. The thread-releasing assembly includes a top plate rotatable around a pivot and a thread-releasing pin. The top plate is driven to rotate around the pivot by the presser foot lifting assembly, thereby causing the thread-releasing pin to open the thread clamp and perform a thread-releasing action. The presser foot assembly includes a presser foot rod and a presser foot. The presser foot lifting assembly includes an adjusting block fixedly mounted on the presser foot rod and a manual presser foot lifting component. A toggle block is provided on the rear side of the adjusting block. The presser foot assembly also includes an adjusting component for adjusting the presser foot lifting height and pressure. By using the top plate and the thread-releasing pin, when the presser foot is lifted by the presser foot lifting assembly, it is driven to rotate around the pivot, thereby causing the thread-releasing pin to open the thread clamp and perform a thread-releasing action. This ensures that the thread clamp automatically completes the thread-releasing action during the presser foot lifting process, thus simplifying the structure and improving working accuracy.

This utility model discloses an intelligent presser foot structure that can be independently controlled up and down, including a shaft extending horizontally through the housing and a bushing extending vertically through the housing. A drive motor is installed inside the housing, and the output shaft of the drive motor is connected to a main gear column. A driven gear column is connected to the rear end of the shaft, and the main gear column and the driven gear column mesh. The drive motor is signal-connected to a controller, which controls the reciprocating rotation amplitude of the drive motor output shaft after receiving control commands. The bushing extends out of the housing and is connected to the presser foot. A lifting rod is connected to the front end of the shaft, and a bushing block is connected to the bushing. A transmission arm is provided between the lifting rod and the bushing block. The presser foot is driven by the drive motor, and the cooperation between the presser foot and the sewing needle can be arbitrarily adjusted. When dealing with fabrics of different thicknesses, the reciprocating rotation amplitude of the drive motor output shaft can be adjusted according to the thickness gradient, thereby adjusting the height of the presser foot. This effectively solves the problem of presser foot height cooperation, reduces the frequency of skipped stitches and thread breakage during sewing, and improves sewing quality.

This utility model discloses a lifting device for a sewing machine presser foot, including a drive mechanism, a transmission assembly, and a presser foot connecting component. The drive mechanism is located below the sewing machine, with its bottom engaging with the operator's thigh to convert the pushing action of the thigh into driving force. The transmission assembly has a rotatable shaft located at the bottom of the sewing machine on the side away from the presser foot. The top of the drive mechanism is connected to the first end of the transmission assembly, and the second end of the transmission assembly has the presser foot connecting component. When the drive mechanism is pushed along the length of the sewing machine, it rotates around the transmission assembly as its central axis, causing the presser foot connecting component to move up and down along the height of the sewing machine. This utility model's drive mechanism, located below the sewing machine and engaging with the thigh to convert the pushing action into driving force, drives the presser foot connecting component to rise and fall via the transmission assembly. This frees up the hands, has a compact structure, smooth transmission, and improves operational convenience and efficiency.

The utility model discloses a sewing machine presser foot belongs to sewing machine accessory technical field, specifically includes presser foot main part and gasket, is equipped with the adhesive layer between gasket and presser foot main part, and the both ends of presser foot main part are all equipped with the clamping slot downwards, and the slot wall on the middle part of each clamping slot is equipped with a positioning slot, too. The both ends of gasket are equipped with the card station, and the position corresponding every positioning slot in the middle part of card station has the positioning lug of integrated molding. The utility model discloses, and the clamping slot is opened out integrally at the front, rear both ends of presser foot respectively, and can effectively promote the stability of assembly between gasket and presser foot simultaneously in the cooperation setting of positioning slot and positioning lug, with the cooperation of clamping slot and card station, and the cooperation of positioning slot and positioning lug, even under the situation of high frequency vibration, can effectively prevent gasket and appear front, back, left, right displacement, and then combine the auxiliary fixing of adhesive layer, can effectively promote the stability of assembly between gasket and presser foot.

This application relates to the technical field of sewing machines, and in particular to a presser foot assembly and an overlock sewing machine. The presser foot assembly includes a presser foot frame and a presser foot plate. The presser foot frame has a presser foot head; the presser foot plate rests upward against the presser foot head and is capable of swinging up and down around the presser foot head. The presser foot plate has a starting state and a working state. When the presser foot plate is in the starting state, it is tilted upward, and the presser foot head is perpendicular to the presser foot plate. When the presser foot plate is in the working state, it swings upward or downward around the presser foot head. When the presser foot plate of this application encounters sequined fabric with a thicker stem, the sequined fabric can pass smoothly under the presser foot plate, preventing the thicker sequined fabric from accumulating at the presser foot plate. This allows the overlock sewing machine using this presser foot assembly to be suitable for overlock sequined fabrics with thicker stems.

This application relates to a pneumatic drive device for a sewing machine, including a first pneumatic cylinder, a thread cutting mechanism, a thread loosening mechanism, a second pneumatic cylinder, and a presser foot lifting mechanism. The first pneumatic cylinder is fixed to the machine body. The thread cutting mechanism includes a thread cutting module connected to and driven by the first pneumatic cylinder. The thread loosening mechanism includes a thread loosening transmission assembly and a thread loosening module actuated by the thread loosening transmission assembly. The thread loosening transmission assembly is connected to and driven by the first pneumatic cylinder. The second pneumatic cylinder is fixed to the machine body. The presser foot lifting mechanism includes a presser foot transmission assembly and a presser foot module actuated by the presser foot transmission assembly. The presser foot transmission assembly includes a first swing arm, and the second pneumatic cylinder directly drives the first swing arm. The first pneumatic cylinder drives the thread cutting module to cut the thread and drives the thread loosening transmission assembly to loosen the thread. The second pneumatic cylinder drives the presser foot transmission assembly to lift the presser foot module. This simplifies the overall structure and makes the device more compact.

The application relates to the technical field of sewing machines, in particular to a sewing machine presser foot and a sewing machine. The sewing machine presser foot comprises a main presser foot, auxiliary presser feet and a limiting piece. Guide grooves are arranged on opposite sides of the main presser foot. The auxiliary presser feet are arranged on the opposite sides of the main presser foot, and each auxiliary presser foot can be inserted into the corresponding guide groove and is in sliding cooperation with the guide groove. The limiting piece is arranged on the same side of each auxiliary presser foot along the extension direction of the guide groove, and the limiting piece is adjustably connected to the main presser foot, so that the limiting piece can synchronously prevent the movement of each auxiliary presser foot along the extension direction of the guide groove. The sewing machine presser foot and the sewing machine provided by the application solve the problem that the existing sewing machine presser foot is difficult to adapt to the cloth with a bone position.

This invention primarily relates to the field of embroidery machine technology. It discloses an adaptive spindle control method, device, equipment, and medium for an embroidery machine. The method includes: acquiring the spindle angle of the embroidery machine; when the spindle angle is within a preset presser foot working angle range, collecting acceleration signals during the contact process between the presser foot and the fabric via an acceleration sensor at the end of the presser foot drive rod; performing time-domain waveform analysis on the acceleration signals to extract characteristic parameters representing the fabric thickness and hardness, including at least the peak width and rebound ratio of the acceleration signal waveform; determining the impedance index of the current fabric based on the peak width and rebound ratio; and adjusting the torque limit and speed of the spindle motor of the embroidery machine to match the characteristics of the current fabric before the next stitch begins, based on the impedance index. This application can significantly reduce the incidence of faults such as broken needles, broken threads, and jamming, improving embroidery efficiency and finished product quality.

This utility model relates to the field of sewing machine technology and discloses a sewing machine head, including a housing with a cavity open at one end. An end cap is provided at the opening of the cavity. A presser foot bar and a needle bar, with their lower ends extending out of the housing, are arranged side-by-side within the cavity. The extended end of the presser foot bar is provided with a presser foot. A presser foot lifting mechanism is provided within the cavity for raising the presser foot. The presser foot lifting mechanism includes an adjusting block on the presser foot bar and a manual presser foot lifting assembly on the inner wall of the cavity. An adjusting assembly for adjusting the presser foot lifting height and pressure is provided at the top of the housing. The adjusting assembly allows for better adjustment of the height the presser foot is raised by the manual presser foot lifting assembly and the pressure the presser foot applies to the fabric. Compared to existing sewing machines where the end cap needs to be removed for presser foot lifting height adjustment, this sewing machine head allows for adjustment without removing the end cap. The adjustment operation is simple and convenient, requiring no special tools such as screwdrivers, which is beneficial for practical use.

This utility model discloses a sofa sewing presser foot mechanism that facilitates adjustment of presser foot pressure. This utility model relates to the technical field of sewing machine presser foot mechanisms. It includes: a presser foot plate; a lifting structure, the bottom of which is fixedly connected to the top of the presser foot plate; and an adjusting structure, the bottom of which is fixedly connected to the top of the lifting structure. The adjusting structure includes a protective shell, with a slide rail symmetrically slidably connected to the inner wall of the protective shell. The bottom of the slide rail is fixedly connected to the lifting structure. A lead screw is rotatably connected to the inner wall of the protective shell, and a slider is threadedly connected to the outer wall of the lead screw. Springs are symmetrically fixedly connected to the bottom of the sliders. A support rod is fixedly connected to the inner wall of the protective shell. The adjusting structure symmetrically arranges two sets of springs. Compared to traditional single-spring sewing machine presser feet, this design can meet the needs of sofa fabrics requiring higher presser foot pressure.

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.

This application discloses a triangular needle sewing device for wavy lace, including a sewing worktable and a machine body, the machine body being mounted on the sewing worktable; a presser foot connecting rod is connected to the end of the machine body, and the presser foot connecting rod is connected to a presser foot assembly; the presser foot assembly includes a mounting base, a first presser foot, and a second presser foot, the mounting base being connected to the presser foot connecting rod, and the first and second presser feet being mounted on the bottom of the mounting base; a width adjustment structure is provided between the first and second presser feet, the first and second presser feet being adapted to different widths of lace sewing paths through the width adjustment structure. By providing a width adjustment structure between the two presser feet, the distance between the two presser feet can be flexibly adjusted to meet the sewing paths of different needles, eliminating the step of changing presser feet of different specifications, enabling the sewing equipment to meet the sewing of different wavy lace, thereby improving sewing efficiency.

The utility model relates to textile equipment field discloses a kind of sewing auxiliary feeding devices of cloth press wheel cooperation, including presser bar, the outside of presser bar is fixedly connected with fixed component, the outside of fixed component is provided with rotating component, the outside of presser bar is horizontally provided with thread groove, the fixed component includes sleeve, the sleeve is fixedly connected in presser bar outside by fixed bolt, the fixed bolt is threadedly connected in thread groove inner wall, the left and right sides of the sleeve are fixedly connected with connecting rod, the end of the connecting rod away from sleeve is horizontally provided with clamping groove.This utility model, by the combination of modularization and thread connection, the height, angle and overall position of cloth press wheel are quickly adjusted, the problem of fixed structure and unable to quickly adjust of traditional device is solved, and the operator can complete parameter debugging quickly according to the requirement of sewing station or the characteristics of cloth, and the sewing processing efficiency is improved.

The footwear article (100) includes: (A) an upper (102) formed of one or more components; (B) a sole structure (500) joined to the upper (102), the sole structure (100) including a foot support sac chamber (210); (C) a fluid reservoir chamber (220); (D) a first fluid line (240) extending between the foot support sac chamber (210) and the fluid reservoir chamber (220) and fluidly communicating the foot support sac chamber (210) and the fluid reservoir chamber (220), wherein the first fluid line (240) extends outward from a heel region or a midfoot region of at least one of the foot support sac chamber (210) or the fluid reservoir chamber (220); and (E) a closure element for changing the first fluid line (240) between an open configuration and a closed configuration. The first fluid line (240) may include a portion (200P) extending through a flap that extends outward from the heel or midfoot region of at least one of the foot support chamber (210) or the fluid reservoir chamber (220). The closure element may include a switching member (400) movably mounted to the footwear article (100) (e.g., to the heel component 520). The switching member (400) may switch the footwear article (100) and / or the foot support chamber 210 between a lower pressure foot support configuration and a higher pressure foot support configuration. In some instances, the switching member (400) (and / or other types of closing members) can clamp and close the first fluid line (240) (e.g., at the portion (200P) located in the flap) to place the footwear article (100) and / or the foot support bladder chamber (210) in either the lower pressure foot support configuration or the higher pressure foot support configuration.

This invention discloses a cutting device for bag processing, relating to the field of leather processing equipment technology. It includes a frame, a gantry beam slidably mounted above the frame, a cutter head mounting seat mounted above the gantry beam, a cutting assembly, and a presser foot assembly mounted at one end of the cutter head mounting seat. This invention, through the combination of a cutter seat, guide seat, slotted groove, fixed connector, presser foot seat, outer presser foot, and inner presser foot, allows the cutter to be first held by the cutter mounting seat and inserted into the slotted groove. Then, a steering motor drives the cutter seat and guide seat to rotate via a gear set, and the fixed connector drives the presser foot seat, outer presser foot, and inner presser foot to rotate synchronously with the guide seat. This ensures that the cutting edge direction of the cutter during turning corresponds to the pressing direction of the presser foot assembly, reducing pressing misalignment, material dragging, and cut edge retraction during curved and corner cutting processes.

This application relates to a method, electronic device, and storage medium for calibrating the height of a pressure foot. The method includes: controlling a drive component to move to a preset initial position; controlling the drive component to rotate clockwise by a first preset angle, causing the pressure foot to move to a first height; controlling the drive component to rotate counterclockwise by a second preset angle, causing the pressure foot to move to a second height; calculating the difference between the first height and the second height to obtain a height difference; and adjusting the rotation angle of the drive component to ensure that the height difference is within a preset height difference range. This application solves the problem of inconsistent pressure foot heights in related technologies, achieving consistent pressure foot heights.

This invention discloses a method for detecting the flatness of fabric feeding on a sewing machine, comprising the following steps: S1, detecting the displacement of the fabric at the presser foot groove on the needle plate after each feeding action by the first vision sensor and sending it to the control system; detecting the displacement of the fabric to the left or right of the presser foot on the needle plate after each feeding action by the second vision sensor and sending it to the control system; S2, the control system compares the received displacement of the fabric at the presser foot groove with the displacement of the fabric to the left or right of the presser foot to detect the fabric feeding tension on the needle plate, thereby detecting the flatness of the fabric feeding on the needle plate. This invention can detect the flatness of fabric feeding on the needle plate of a sewing machine.

The application relates to a sewing machine facilitating maintenance of a presser foot, and relates to the technical field of sewing machines, which comprises a shell, a quick-release mechanism is fixedly connected to the top of the shell, a lubricating mechanism is slidably connected to the inner wall of the shell, a lifting mechanism is fixedly connected to the inner wall of the shell, a sliding mechanism is fixedly connected to the inner wall of the shell, the quick-release mechanism comprises a supporting column, the outer portion of the supporting column is fixedly connected to the inner wall of the shell, the bottom of the supporting column is fixedly connected with a fixing ring, the inner wall of the fixing ring is rotatably connected with a connecting ring, the outer portion of the connecting ring is fixedly connected with a sliding column, and the bottom of the connecting ring is slidably connected with a connecting rod one. The application has the advantages that when the presser foot surface is used for a long time against weather-resistant high-toughness anti-aging leather fabric, the presser foot can be damaged, when the presser foot is damaged, the sliding sliding column drives the connecting ring to rotate, the limiting block is rotated to release the fixation on the connecting rod one, and the production efficiency is greatly improved.

The utility model provides a kind of differential adjustment and presser foot mechanism of sewing machine, including driving motor, the output shaft of driving motor is equipped with fixed adjustment sliding disc, the two side surfaces of adjustment sliding disc are equipped with first cam and second cam respectively, the side of first cam includes the first curved surface of the first arc surface of uniform diameter and bending, the side of second cam includes the second curved surface of the second arc surface of uniform diameter and bending, it further include first connecting rod and second connecting rod, the end of first connecting rod is hinged with first roller, first roller is contacted with the side of first cam, the end of second connecting rod is hinged with second roller, second roller is contacted with the side of second cam, first connecting rod is connected with the angle size adjustment of the angle size adjustment of first roller and second roller for differential feeding shaft positive and negative swing, second connecting rod is connected with presser foot.The differential adjustment and presser foot mechanism of this sewing machine can realize the drive of differential adjustment and presser foot with a driving motor, reduce production cost.

The utility model discloses a roll collar structure of krag, including krag machine still including the needle plate and presser foot connected with krag machine, the needle plate is located the top of presser foot, the needle plate has the pull cylinder installation mouth, the presser foot has the pull cylinder avoidance mouth, just the pull cylinder avoidance mouth with pull cylinder installation mouth opposite setting, wherein, the pull cylinder avoidance mouth's one side wall has the guide slope. The utility model is when the presser foot will the piece of clothing lightly press to the presser plate, and the pull cylinder of krag machine is located the pull cylinder installation mouth, and the piece of clothing is lifted up by the pull cylinder avoidance mouth, when the pull cylinder rotates, utilizes the friction between the pull cylinder and the piece of clothing to drive the piece of clothing to move steadily forward, and, setting the guide slope on the one side of pull cylinder avoidance mouth, is used for guiding the piece of clothing to go forward, can effectively avoid the piece of clothing to appear the wrinkle phenomenon when moving forward, improves the flatness of collar finished product, and further improves the aesthetic degree.

The invention relates to a machine (M) for sewing, embroidering or quilting, comprising: a needle bar which is arranged above a needle plate (SP) and can be moved up and down and to which a needle (N) is fastened; a gripper system which is arranged below the needle plate (SP) and can be moved back and forth and to which a gripper is fastened; a presser foot (NF) which is arranged above the needle plate (SP) and by means of which a portion of a textile structure can be pressed against the needle plate (SP), wherein the needle plate (SP) has at least one opening or hole (A0) for the passing of the needle (N) through the needle plate (SP) downward and back, and wherein the needle plate (SP) can be stationarily mounted on a needle plate receiving region (AB) of the machine (M). According to the invention, a) at least one sub-region (TSP) of the needle plate (SP) is magnetic and one sub-region (TAB) of the needle plate receiving region (AB) corresponding to the sub-region (TSP) of the needle plate (SP) is magnetic or magnetizable; and / or b) at least one sub-region (TAB) of the needle plate receiving region (AB) is magnetic and one sub-region (TSP) of the needle plate (SP) corresponding to the sub-region (TAB) of the needle plate receiving region (AB) is magnetic or magnetizable.

A stitch starting method for preventing material backfeeding in sewing a thick material by a sewing machine, comprising: on the basis of the size of a thick material (8) and the size of a presser foot (3) and the friction between the thick material and a needle plate (2), setting an anti-pushing reference position and a first stitch minimum stitch length ∆S, wherein when the thick material is located at the anti-pushing reference position, the distance between the front edge of a stitch starting position of the thick material and the central axis of a needle (4) is ∆S, an included angle θ between a lower pressing plane (31) and the surface of the needle plate is 0°, or tan (90°-θ)≥1 / μ; on the basis of the first stitch minimum stitch length ∆S and a placement position of the thick material on the needle plate, determining a position I of a feed dog (1) and a first feeding distance L1; before the thick material is placed, a main shaft (5) not moving, the feed dog first moving to the position I and stopping to place the thick material at the placement position, and the presser foot (3) pressing against the thick material; starting stitching, the feed dog being kept at the position I, and the main shaft first rotating to an angle A; and a feeding driving mechanism (7), a feed dog lifting driving mechanism (6) and the main shaft moving synchronously, the feed dog driving the thick material to move in a cloth feeding direction, and when reaching a position II, the feed dog just sinking below an upper surface of the needle plate, thereby completing first feeding. In the stitch starting method, the movement relationship between the feed dog and the needle is controlled when at the start of stitching, especially at the first stitch, enhancing support of the thick material in the horizontal direction by the feed dog and the friction, and effectively preventing the thick material from being pushed out by the presser foot at the start of stitching. In addition, provided is a se

1. Name of the product in this design: Sewing machine presser foot (overlock sewing machine single chain, double chain, and roller turning presser foot). 2. Application of this design: This design is used for sewing machine presser feet. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.