74results about "Sewing-machine control devices" patented technology

The utility model discloses a computer back hook machine of quick start -stop, relates to back hook machine field, including stable conveying frame, the inside installation of stable conveying frame's opening place sliding limit mouth, the left and right sides of sliding limit mouth are equipped with the transmission elastic mechanism that carries out the rotation of transmission bite link, transmission elastic mechanism includes rotary drive motor, and rotary drive motor fixed mounting is in the side of stable conveying frame. This computer back hook machine of quick start -stop, when needing to carry out quick conveying start -stop operation to cloth, directly starts rotary drive motor and drives left and right two groups transmission bite link through the connection transmission belt, cloth will be driven along stable conveying frame and be driven stably, and rotary drive motor can make the equipment automatic start -stop through the position of detection anti -run -off bending plate, and the design of such delivery stability improves, and when producing deviation, can carry out the stop operation quickly, make the use intelligent nature and stability of equipment improve.

The utility model provides a cantilever quick hand, including work table surface, be located cantilever on work table surface, cantilever one end is connected in work table surface place, and the other end is suspended and is set on work table surface upside, with the end of cantilever and work table surface between having the space for avoidance, cantilever side rotation is provided with first arm, and first arm end part lift is provided with work rod, first arm is used for driving work rod in the space for avoidance work, the utility model discloses can not occupy the additional equipment area while increasing processing range, and can control work position accurately at the arbitrary position of processing range.

This invention relates to the field of pillowcase production line technology, specifically a novel pillowcase production line, comprising a feeding module, an edge-rolling and sewing module, a fabric cutting module, a side-sewing and sewing module, a bottom-sewing and sewing module, and a pocket-turning and material-collecting module arranged sequentially along the material flow direction. The feeding module provides and conveys continuous pillowcase fabric; the edge-rolling and sewing module automatically rolls and sews one edge of the pillowcase fabric. This invention significantly improves production efficiency and capacity: by integrating seven major processes—feeding, edge rolling, cutting, side sewing, bottom sewing, pocket turning, and material collection—into a continuous production line, it achieves fully automated production from roll material to finished product. In particular, designs such as "non-stop fabric connection," "buffer roller module," and "accelerated inter-process transfer" greatly reduce non-productive downtime, significantly accelerating the overall production cycle and fundamentally improving capacity.

To improve visibility or operability in a display input part.SOLUTION: A sewing device includes: a display input part 80 having a display part 81 for displaying an image of an input screen G1, and an input detection part 82 for detecting an input operation with respect to the input screen G1; and a control device 90 for performing display control of the display part 81 according to the input operation. The control device 90 performs display control in which the background of the input screen G1 is dark color as a whole, a sewing pattern image displayed in the input screen G1 has brightness higher than the background, and operation parts B11-B53 for receiving the input operation in the input screen G1 is lighter color than the background.SELECTED DRAWING: Figure 4

The utility model relates to a kind of sewing machine cloth feeding transmission structure, including the drive shaft that is rotated by motor drive and is installed in sewing machine, drive shaft left side output end is connected with the intermittent transmission mechanism that is relatively arranged on drive shaft and is driven by drive shaft and is connected out of sewing machine, intermittent transmission mechanism is drivingly connected with output shaft, drive shaft is driven output shaft to carry out intermittent rotation by intermittent transmission mechanism, output shaft front end is spaced apart and is provided with the cloth feeding shaft that is rotated by the transmission structure being set outside sewing machine, cloth feeding shaft is installed with the cloth feeding wheel that is used to forwardly convey cloth and contact with cloth, intermittent transmission mechanism and transmission structure are relatively arranged in the outside of sewing machine, to avoid intermittent transmission mechanism occupies larger installation space in sewing machine and facilitate the installation and maintenance of intermittent transmission mechanism, at the same time, intermittent transmission mechanism is relatively arranged on drive shaft, so that the transmission of intermittent transmission mechanism is stable.

The utility model relates to the technical field of buttonholing machine, especially is buttonholing machine for clothing processing, including buttonholing machine main part, the side of buttonholing machine main part is established with the slide groove, the inside of slide groove is rotated and is connected with the lead screw through bearing, the outer surface screw thread connection of lead screw has the lifting plate, the utility model has the advantages that: the rotating stand on U -shaped support connects transparent plate, when pulling plate pulls toothed plate and overcomes the elastic force of spring and moves up, toothed plate and arc gear cover disengage meshing, and rotating stand can rotate around connecting rod, and transparent plate is rotated to needle head work area front and forms the protective barrier, after loosening pulling plate, spring pushes toothed plate and resets, and with arc gear cover meshing fixes the position of rotating stand and transparent plate. In this way, even if needle head breaks under the working condition such as puncturing thick material, transparent plate can effectively block the high-speed burst of broken needle head, avoid its to operating personnel cause harm, significantly improved the security in the use of buttonholing machine.

Sewing machine (10) with a vertical shuttle (20) and a center shuttle presser (22) arranged on a front side of the vertical shuttle (20), the sewing machine (10) comprising: a presser frame (30) which is movably held between a press position in which the center shuttle presser (22) is pressed and a retract position which is separate from the press position; an optical upper thread detector (60) which is provided on the presser frame (30) and is configured to detect the passage of an upper thread using detection light which passes through passage areas formed in the center shuttle presser (22) and crosses a front side of a bobbin case (24) of the vertical shuttle (20);and a stitch exit detection processor (90) which is configured to determine, based on an amount of light received from the detection light by the upper thread detector (60), whether the passage of the upper thread is present.

In a sewing machine that can be operated by voice commands, the goal is to achieve both safety and ease of operation through voice control. [Solution] The sewing machine 1, which forms a stitch in fabric by moving a needle 5 up and down, has a microphone 16 that collects sound emitted by the user, and a control unit 20 configured to process the sound collected by the microphone 16 to recognize voice commands for operating the sewing machine 1 emitted by the user and to execute the recognized voice commands. The control unit 20 has a wake word mode and a two-factor authentication mode that execute voice commands on the condition that a predetermined sound is emitted by the user, as well as a direct command mode that executes voice commands without requiring such conditions, and is configured to switch the voice command mode at least according to the operating status of the sewing machine 1.

The utility model relates to 3D computer pattern machine technical field, concretely relates to a Y theta direction drive mechanism of cylinder pattern machine, adopt installation chassis, Y direction drive component, Y direction transmission component, mounting seat, cylinder, the theta direction drive component connected in the bottom of mounting seat, and with the output end connection of theta direction drive component theta direction transmission component, the output end fixed cover of theta direction transmission component is located in the outer periphery of cylinder. This Y theta direction drive mechanism is fixed and installed on the cylinder pattern machine through installation chassis and uses, when the cylinder needs to move back and forth, Y direction drive component drives Y direction transmission component and drives mounting seat to move back and forth along Y direction, thereby drive cylinder moves back and forth along Y direction, when the cylinder needs to rotate, theta direction drive component drives theta direction transmission component and drives cylinder to rotate along theta direction, avoids multiple clamping, manual adjustment cloth angle, is favorable to adapt the 3D three -dimensional sewing of cylinder pattern machine.

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 with cloth pressing device relates to sewing machine field. The utility model discloses a sewing machine and cloth pressing mechanism, the cloth pressing mechanism includes first clamping seat, second clamping seat, first connecting rod and third connecting rod, and the utility model discloses through setting correction mechanism, photoelectric sensor, transmitting head, emission port, prompt light, tightening nut, receiver, receiver head, and correction mechanism can real -time monitoring the relative position of first strutting wheel and second strutting wheel through the cooperation of photoelectric sensor and receiver, when the sensor detects that strutting wheel position is incorrect or is off, can remind operator in time through visual signal such as prompt light, and it is convenient for quick adjustment, when adjusting is finished, through ensuring that two strutting wheels are in correct horizontal position, correction mechanism helps cloth pressing belt to press the cloth more evenly, and this avoids the problem that the cloth is uneven, wrinkled or off in the sewing process.

The application discloses a kind of production equipment of vehicle panoramic sunroof sunshade curtain, including carrier and base, base both sides are equipped with translation component and sewing machine, the both sides of carrier below are equipped with bottom plate, bottom plate below is equipped with adjusting component, adjusting component is used to move bottom plate, bottom plate side away from carrier is equipped with positioning component, carrier is used to support curtain cloth, bottom plate is used to support curtain cloth side edge and plastic strip;The production equipment of vehicle panoramic sunroof sunshade curtain of the application can adapt to different door width curtain cloth, and the curtain cloth is fixed on the carrier and the bottom plate by the adjusting component and the side support unit, and the curtain cloth and the plastic strip are effectively fixed on the bottom plate by the curtain pressing unit on both sides of the curtain cloth and the plastic strip, the positioning effect of the curtain cloth and the plastic strip is good, the alignment accuracy of the curtain cloth and the plastic strip is guaranteed, the yield of the curtain cloth is high, and the translation component is provided, the sewing machine can be moved, and the cloth pressing assembly is matched, the curtain cloth and the plastic strip are pressed during sewing, the curtain cloth and the plastic strip are prevented from being dislocated, and the yield of the curtain cloth is further improved.

The utility model belongs to sewing equipment technical field, concretely relates to a novel structure's jointer, including base, be installed on the base stand, be installed on the stand crossbeam, the rear end of crossbeam is provided with the motor power source no.

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 provides a control method and a control system for preventing needle breakage of a bird nest thread trimming mechanism of a sewing machine. The method comprises: obtaining an upper needle position calibration angle parameter during use of an electric control of the sewing machine; comparing the upper needle position calibration angle parameter during use of the electric control with an upper needle position calibration angle parameter during factory shipment of the electric control to generate a comparison result; analyzing a deviation degree of the two upper needle position calibration angle parameters according to the comparison result; and generating a control instruction of a bird nest thread trimming stepping motor based on the deviation degree. The application can protect the electric control system of the sewing machine by analyzing the upper needle position calibration angle parameter generated during each actual operation, so as to prevent needle breakage and puncher collision.

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

The application discloses an automatic seam splicing equipment control method, which comprises the following steps: S1, one-time sewing is performed, the position of a first cloth piece is detected, and a first working speed is determined; S2, whether deviation occurs is determined according to the position of the first cloth piece, and deviation of the cloth piece is corrected; S3, a middle deviation correction device follows the first working speed to correct the deviation, the position of the middle deviation correction device is detected, and whether the middle deviation correction device needs to exit after avoiding is determined; S4, after the middle deviation correction device exits, secondary sewing is started, the position of a second cloth piece and a second working speed are detected; S5, whether deviation occurs is determined according to the position of the second cloth piece, and deviation of the cloth piece is corrected; S6, tail deviation correction follows the second working speed to correct the deviation, the position of the tail deviation correction device is detected, and whether the tail deviation correction device needs to exit after avoiding is determined; and S7, sewing is completed after the tail deviation correction device exits after avoiding. The automatic seam splicing correction can adapt to size deviation of upper and lower cloth pieces of different lengths within a range, and effectively reduces the influence of individual differences of the cloth pieces on automatic sewing.

This application relates to a thread breakage detection device, a sewing machine, and a thread breakage control method for sewing equipment. The thread breakage detection device includes: a detection component for detecting the thread breakage state and generating a breakage signal accordingly; a first drive component including a sewing machine spindle and a spindle motor connected in a transmission relationship, the spindle motor stopping upon receiving the breakage signal; and a second drive component including a fabric feeding mechanism driven by the sewing machine spindle and a needle pitch adjustment motor for changing the transmission relationship between the sewing machine spindle and the fabric feeding mechanism, the needle pitch adjustment motor changing the needle pitch accordingly based on the breakage signal. This application, by having the needle pitch adjustment motor change the needle pitch according to the breakage signal, ensures that the needle only penetrates the existing needle eye on the fabric, avoiding fabric damage and waste. It has advantages such as good adaptability, fast response, simple structure, and high production efficiency.

The utility model relates to sewing machine technical field discloses a sewing machine cloth feeding track adjustment cam assembly, including spindle, the outside coaxial of spindle is equipped with first shoulder, the inside fixed connection of first shoulder has the locating sleeve, both sides of locating sleeve all are fixedly connected with the butt joint block, two second shoulders, symmetrical setting are equipped with in the outside of locating sleeve, two second shoulders all are fixedly connected with annular seat one side of mutual approaching, the utility model discloses through the installation process of simplifying second shoulder whole by clamping assembly, has reduced the installation difficulty of second shoulder whole, so realized the quick assembly of cam assembly, through the slider, the sliding slot is favorable to improving the working stability of clamping assembly, through adjusting assembly can remove the restriction of clamping assembly to second shoulder whole, so the subsequent cam assembly maintenance work is convenient to carry out, is favorable for the reduction of sewing machine maintenance cost.

The utility model discloses a sewing machine technical field's electronic thread clamp and sewing machine, including mounting panel, drive motor is set up in one side of mounting panel, guide seat is set up in the other side of mounting panel, and guide seat includes guide axle section, transmission screw, transmission screw is worn in the axle hole of guide axle section, and one end of transmission screw is passed through mounting panel and is connected with drive motor transmission, thread clamp piece, two thread clamp pieces are set on the guide axle section face to face, pressure regulating nut is screwed on the other end of transmission screw and is connected with guide axle section along the axle direction sliding, pressure regulating spring, pressure regulating spring is set on the guide axle section, and pressure regulating spring is butt joint between thread clamp piece and pressure regulating nut. The utility model discloses the mode of electrically adjusting instead of mechanical adjustment, realized the automatic regulation of thread clamp and clamping force, not only can improve the regulation efficiency of thread clamping force, can also get rid of the experience level requirement to the debugging personnel.

The utility model provides a kind of differential adjusting device and sewing machine with it, comprising: main shaft, can rotate around its own axis;Transmission shaft, can rotate around its own axis, and it is parallel and interval arrangement with main shaft, first transmission component is arranged between main shaft and transmission shaft, to drive transmission shaft rotation by first transmission component;Swing component, can rotate around predetermined axis;Intermediate transmission component, with transmission shaft, first transmission component and swing component are all hinged, to drive transmission shaft rotation under the drive of first transmission component and swing component;Drive part, second transmission component is arranged between drive part and swing component, including first crank connecting rod mechanism, drive shaft and second crank connecting rod mechanism that are sequentially connected from drive part to swing component, to drive swing component rotation under the drive of second transmission component, to solve the problem that the upper differential sewing machine in prior art needs manual adjustment when adjusting differential amount, leading to the problem of large adjustment error.

This utility model relates to the field of sewing assistance technology and discloses a precision sewing and positioning fixture for reflective strips in mountaineering clothing production. It includes a base plate, a pressure plate placed on top of the base plate, and a support plate fixedly installed on one side of the upper surface of the base plate. The pressure plate has four sets of sewing openings on both sides, each in a strip shape. A groove is provided on the front side of the pressure plate. A limiting groove is provided in the middle of the support plate. This utility model, by incorporating a damping hinge, a pressure plate, and a base plate, allows the reflective strip and sleeve fabric to be laid flat on the base plate, within the coverage area of ​​the pressure plate. After laying, the damping hinge allows force to be applied to rotate a horizontal plate, which in turn moves the pressure plate until it presses flat onto the sleeve fabric. The sewing head of an external sewing mechanism then moves along the sewing opening to sew. Compared to existing manual pressing and pushing sewing methods, this prevents over-sewing and indirectly improves garment quality through precise sewing.

The utility model provides a kind of inner wire machine, mainly with sewing body and rocker body, sewing body is equipped with upper shaft and cutter driving mechanism, and rocker body is equipped with cutter mechanism, in addition, cutter mechanism has movable cutter, ring gear, two cutter transmission rods, linkage bevel gear and cutter relay gear, ring gear is rotatably connected in the bearing seat of sewing body, and the peripheral tooth part of ring gear is engaged in cutter driving mechanism, in addition, two cutter transmission rods are connected with each other, one of cutter transmission rods is connected linkage bevel gear to engage in the end surface tooth part of ring gear, and another cutter transmission rod is connected cutter relay gear to be connected in movable cutter, whereby, the inner wire machine of the case is driven movable cutter by upper shaft, avoid the need for additional installation electric control device to drive movable cutter.

The utility model discloses a sewing die for automotive trim leather, and aims to solve the problems of efficiency and precision in the existing automotive trim leather sewing technology. The mold comprises a workbench, sewing equipment, clamping rollers on the two sides of the sewing equipment and a conveying belt driven by the outside, and the mold is used for accurately conveying leather to a sewing area. The sewing machine is characterized in that the sewing machine is automatically designed, the threaded rod is driven by the motor, sewing equipment can longitudinally move on the workbench, multi-angle sewing is achieved, and production efficiency is improved; and meanwhile, the stability and accuracy of the leather in the sewing process are ensured through the arrangement of the clamping rollers and the positioning plates, and the device is suitable for processing leather of different sizes. In addition, the conveying belt and the workbench are as high as each other, leather is prevented from wrinkling or shifting, and sewing quality is improved. The mold is compact in structure and easy and convenient to operate, the sewing efficiency and the finished product quality of the automotive trim leather are greatly improved, and the mold has remarkable practical value and wide application potential.

This invention discloses a U-shaped template device, including a first mounting base, an X-axis translation base, a first driving mechanism, a Y-axis rotating base, and a rotational transmission mechanism. The first driving mechanism drives the X-axis translation base to translate along the X-axis. The rotational transmission mechanism is connected between the first driving mechanism and the Y-axis rotating base, so as to drive the Y-axis rotating base to rotate around the Y-axis under the drive of the first driving mechanism. This U-shaped template device uses only one driving mechanism to drive the U-shaped template to translate along the X-axis and rotate around the Y-axis. This invention also discloses a three-dimensional pattern machine, including the above-mentioned U-shaped template device.

This invention relates to a sewing method for preventing needle breakage in a sewing machine, comprising: a standard sewing mode: the feed dog moves along a set trajectory, the main shaft rotates at a uniform speed Va and drives the needle to move, and within one operating cycle time T, the time corresponding to when the needle tip is successively located at the needle plate plane, the highest position B, and the needle plate plane after the needle starts moving from the lowest point A is t. C t B and t D Thick-material anti-needle breakage sewing mode: The feed dog trajectory is the same as in the standard sewing mode, and the relationship between the spindle angle and the needle position is also the same; within the cycle time T, there are time points t0, t1, t2, t3, and t4. During the time period t0 to t2, the spindle decelerates; during the time period t0 to t1, the spindle speed is greater than Va; during the time period t1 to t2, the spindle speed is less than Va. The time when the needle tip is located on the needle plate plane is recorded as t. C0 , t C0 <t C During the time interval t2 to t4, the spindle accelerates; during the time interval t2 to t3, the spindle speed is less than Va; during the time interval t3 to t4, the spindle speed is greater than Va. The time when the needle tip is on the needle plate plane is recorded as t. D0 , t D0 >t D .

The utility model discloses a BH sensing structure of multifunctional household sewing machine, including pressure lever support, be provided with BH support on pressure lever support, be provided with BH pull rod on BH support, and BH support is the BH support of integrative forming with plastic material. The utility model has the beneficial effect that: through integrative forming plastic piece BH support, whole BH support has elastic buffer, when sewing work is carried out, makes BH pull rod have elastic buffer effect, and the worker feels good when sewing work, can improve work efficiency, and BH sensing switch has protection measure, can ensure that BH sensing switch is not easy to be damaged in work, reduces maintenance replacement, further improves work efficiency, reduces production cost, and use effect is good, and it is favorable to the promotion.

This utility model discloses a garment quilting device adaptable to fabrics of different thicknesses, belonging to the field of garment quilting technology. This garment quilting device adaptable to fabrics of different thicknesses includes a worktable, a fixing component, a translation component, and a height adjustment component. The translation component includes a pair of first electric slide rails, which are respectively installed on the outer sides of the worktable. A template seat is slidably connected to each of the first electric slide rails. A second electric slide rail and a third electric slide rail are installed between the template seats. The second electric slide rail is positioned above the worktable surface, and the third electric slide rail is positioned below the worktable surface. A second electric slider is slidably connected to the outer side of the second electric slide rail. The height adjustment component includes a fourth electric slide rail, to which a fourth electric slider is slidably connected. A sewing machine head is installed on the outer wall of the fourth electric slider, and a laser displacement sensor is installed on one side of the outer wall of the sewing machine head.