466results about "Programme-controlled sewing machines" patented technology

This invention provides a single-action anti-bird nest thread-cutting mechanism and its control method. The single-action anti-bird nest thread-cutting mechanism includes a fixed blade, a rotatable movable blade, a thread-cutting drive source, and a thread-cutting drive assembly. The fixed blade has a fixed blade edge. The thread-cutting drive source is connected to the movable blade via the thread-cutting drive assembly, driving the movable blade to rotate towards or away from the fixed blade. The movable blade has a starting thread hook groove and a separating thread hook groove. The starting thread hook groove allows the sewing machine needle to pass through. The movable blade has a moving blade edge on its surface facing the fixed blade. The starting thread hook groove and the separating thread hook groove are distributed on the same side of the moving blade edge. This application uses the same thread-cutting drive source and the same set of movable and fixed blades to achieve the purpose of preventing bird nests during the starting thread cutting and automatic thread cutting after sewing, effectively avoiding thread breakage during the starting thread and achieving a stable effect of normal starting thread without bird nest clumps.

The invention relates to the technical field of intelligent manufacturing and management of textiles and garments, and discloses an automatic sewing and cutting management system for underwear processing. The system comprises a central control module, a material conveying and positioning sub-module, a machine vision acquisition sub-module, a multi-axis linkage sewing mechanical arm sub-module and a cutting execution sub-module. According to the system, image data of raw materials and semi-finished products are collected through a machine vision collection sub-module before sewing and after sewing respectively, the initial deformation quantity and the secondary deformation quantity are calculated through a central control module, then a dynamic sewing path and an actual cutting path are generated, and a mechanical arm is controlled to execute self-adaptive sewing and accurate cutting; a sensing-decision-execution closed-loop intelligent control strategy is adopted, the problem of deformation accumulation of the high-elasticity fabric in the processing process is effectively solved, the precision and efficiency of underwear production and the material utilization rate are further improved, and small-batch multi-variety flexible automatic production is achieved.

The invention discloses a system and a method for monitoring the real-time working state of an intelligent sewing machine, and relates to the technical field of sewing machine running state monitoring. By comparing an actual ratio with a task preset ratio, a generated synchronous error set can accurately reflect the stability state of a feeding action in a sewing task; and further extracted deviation level parameters, fluctuation amplitude parameters and fluctuation trend characteristics are counted through a sliding window, so that the numerical trend of synchronous deviation between a feeding system and a needle bar system can be dynamically quantified, and subsequent trend modeling of fluctuation behaviors can be supported. The stitch density change score obtained through calculation can evaluate the stitch density stability of the current sewing task section in real time, abnormal section recognition and dynamic marking are carried out in combination with density tolerance threshold parameters, and a finally formed abnormal marking result set enables the system to have traceable, quantifiable and linkable density abnormal state sensing capacity.

A composite sewing head, including: a needle bar transport for a thread feed needle and a thread catcher needle that is arranged to be parallel to a needle plane of the thread feed needle and a thread catcher needle, with the needle plane parallel or nearly parallel to a stitch path.

The invention relates to a thread trimming control method, a thread trimming control system and a sewing machine, the thread trimming control method comprises the following steps: arranging a first sensor, a second sensor and a third sensor which are arranged in sequence, the distance between the first sensor, the second sensor and the third sensor is L1, and the distance between the second sensor and the third sensor is L2; when the fabric reaches the second sensor from the first sensor, the controller calculates that the current stitch length of the sewing machine is O1 = L1 / N, and N is the number of turns of rotation of the sewing machine; the controller calculates the number of turns of rotation required by the sewing machine within the distance of L2, M = L2 / O1 = m + n, and m is an integer, 0 lt; nlt; 1; when ngt; k, when the fabric passes through the second sensor, the controller adjusts the stitch length of the sewing machine through the execution motor and the stitch length adjusting mechanism, so that the adjusted stitch length O2 meets the condition that L2 / O2 = x + y, and x is an integer, 0 lt; yt; Yt; 1, y < = k, 0.4 < = k < = 0.6; when n is smaller than or equal to k, the sewing machine continues sewing according to the stitch length of O1. According to the thread trimming control method, the thread trimming control system and the sewing machine, the problem that under the existing large-stitch-length sewing working condition, cloth and thread residues are very prone to being scattered is solved.

The invention discloses a cloth thickness detection method and system, a thread supply quantity control method and a sewing machine, and relates to the technical field of sewing machines, and the cloth thickness detection method comprises the steps: obtaining a time interval T of a time point when a machine needle passes through a stroke calibration point and a time point when the machine needle pierces the outer surface of cloth; the displacement H of the machine needle in the T is obtained; obtaining the distance H0 between the stroke calibration point and the needle plate; calculating the thickness H of the cloth according to the H0 and the H; according to the cloth thickness detection method and system, the thread supply quantity control method and the sewing machine, the thickness of the cloth is measured in an indirect measurement and calculation mode, the influence of different cloth types and different cloth compression conditions on the sewing thickness of the cloth is reduced, and parameters of the sewing machine are conveniently and accurately adjusted so as to guarantee the sewing effect.

The disclosure improves the quality of seams in sewing using a sewing machine, and includes: a holder holding fabric; a driver being detachable from a bed of a sewing machine and driving the holder along an upper surface of the bed; a position detector detecting a position of a sewing needle of the sewing machine in an up-down direction; and a controller controlling driving of the holder, which is performed by the driver, based on a detection result of the position detector.

A sewing machine external unit includes: a holder holding fabric; a driver being detachable from a bed of a sewing machine and driving the holder along an upper surface of the bed; a pressing member moving in an up-down direction according to movement of a sewing needle in the up-down direction, pressing the fabric while the sewing needle is stuck in the fabric, and rising together with the sewing needle in response to the sewing needle coming out of the fabric and rising; a position detector detecting a position of the pressing member in the up-down direction; a signal output part outputting a signal to the sewing machine; and a controller outputting a needle drive signal for driving the sewing needle from the signal output part to the sewing machine, and controlling driving of the holder and / or the sewing needle based on a detection result of the position detector.

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.

The invention relates to a flexible fabric and complex process multi-dimensional space robot real-time collaborative sewing method, which belongs to the field of industrial robots, and comprises the following steps: carrying out hand-eye calibration on a feeding robot, a sewing robot, a local camera and a global camera; the feeding robot carries the flexible material from the initial position and spreads the flexible material to the workbench; the global camera identifies a sewing starting point and controls the feeding robot to adjust the incoming material to a proper position so as to realize initial positioning and position correction of the incoming material; the feeding robot guides feeding through vision, and the sewing robot dynamically tracks and corrects a sewing path to adapt to tiny pose changes of materials; starting a disturbance observer to correct the speed of the sewing robot and notifying the feeding robot to reduce the speed at the same time; the feeding robot achieves force control adjustment and smooth feeding in the sewing process. According to the method, high-adaptability and high-precision work can be achieved, real-time multi-robot cooperation is achieved, and the strict requirement of a complex technology for the response speed is met.

An exemplary sewing machine includes a sewing head, a needle bar holding a needle, a motor for moving the needle during a sewing operation, a user interface, a data gathering device, a data storage device, and a processor. The data gathering device gathers data related to at least one of the sewing machine, an environment surrounding the sewing machine, a sewing material, the sewing operation performed by the sewing machine, and one or more interactions of a user with the sewing machine. The data storage device stores gathered data and data related to a neural network. The processor processes the gathered data through the neural network to generate processed data. Based on the processed data, the processor controls at least one of the user interface, the data storage device, and the motor.

The invention discloses an automatic take-up tension control method of a template machine, and belongs to the technical field of textile. The invention aims to solve the problems of low tension control precision and poor adaptability caused by insufficient nonlinear interference compensation, lack of multi-working-condition collaborative analysis and high manual dependency in the prior art. According to the method, the cloth thickness is collected in real time through a thickness sensor, and a yarn consumption predicted value is output through a core model in combination with the stitch length; the AI module feeds back dynamic optimization model parameters based on the broken line record and the stitch tightness, and generates accurate line consumption; a servo motor is driven on the basis of the difference between the value and the standard quantity, and the rotation angle of the motor is converted into the angular displacement of the take-up-lever through a four-bar mechanism composed of a coupler, an eccentric shaft and the take-up-lever. By combining closed-loop feedback of a displacement sensor and spindle phase collaboration and integrating AI anomaly diagnosis, a self-optimization system driven by historical data is constructed, and tension stability and stitch quality under complex working conditions are continuously improved.

A controlling method of an automated sewing system. Including: obtaining visual information from one or more captured images of a fabric part to be sewn; obtaining information about sewing speed in the sewing direction from a sewing machine motor in the sewing system; generating a seam line trajectory of the fabric part to be sewed based on information about the visual information and information about the sewing speed; and manipulating the fabric part using one or more manipulator in the sewing system based on the generated trajectory.And an automated sewing system.

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

A sewing machine has a throat plate (3a) and a material hold-down foot (13) for performing a lifting movement to hold down the material on the throat plate (3a) during a sewing operation. A driven stroke amplitude adjusting device (17) serves to adjust a stroke amplitude of the lifting movement of the material hold-down foot between a top dead center and a bottom dead center. A driven stroke level adjusting device serves to adjust a stroke level of the lifting movement of the material hold-down foot (13) relative to the throat plate (3a). A control / regulating device (11) is in signal communication with the stroke amplitude adjusting device (17) and with the stroke level adjusting device. Operating methods that are possible with the sewing machine are also specified. The result is a sewing machine with which sewing material of different thicknesses and / or different numbers of layers can be sewn precisely and flexibly.

The invention relates to double-robot cooperative sewing equipment for a fiber preform. The double-robot cooperative sewing equipment comprises a first industrial robot, a second industrial robot, a feeding device and a workbench; a sixth joint of the first industrial robot is provided with a first sewing end effector, and a sixth joint of the second industrial robot is provided with a second sewing end effector; the first industrial robot and the second industrial robot are arranged on the two sides of the workbench correspondingly, and the feeding device is arranged on one side of the first industrial robot. The feeding device comprises a cam divider, a fixing frame and a needle and thread frame. The cam divider is installed at the bottom of the fixing frame, needle and thread frames are arranged on the two sides of the fixing frame, double-end sewing needles are arranged on the tops of the needle and thread frames, and thread trappers are arranged at the bottoms. Yarn penetrates through the double-end suture needle, and the tail of the yarn is fixed by a yarn trapper. The invention further comprises a suturing method using the device. Double robots are adopted for cooperative automatic sewing, the automation degree is high, the sewing point position precision is high, the sewing quality is good, and the efficiency is high.

A non-transitory computer-readable storage medium stores a thread color registration program including a set of program instructions for a thread color registration device including an image sensor, a display, and a processor. The set of program instructions, when executed by the processor, causes the thread color registration device to perform detecting a two-dimensional code by the image sensor; in a registration list storing a first color of a first thread spool, storing a second color of a second thread spool different from the first thread spool, the second color being indicated by the two-dimensional code, the registration list being stored in a memory; and displaying a list image on the display, the list image indicating registered colors that are a plurality of colors stored in the registration list, the registered colors including the first color and the second color.

The invention discloses a sewing robot control method and device based on an expert model, and relates to the field of intelligent sewing control, and the method comprises the steps: receiving a process file in a processing order and cut piece information obtained in real time; the process file and the cut-part information are input into a preset expert model, process information corresponding to the cut-part information is determined and converted into an action instruction, and the expert model comprises all the process information of the preset cut-part information; and inputting the action instruction into a robot decision model trained in advance. According to the main technical scheme and effects, the corresponding process sequence can be automatically generated and executed only by inputting new process files and process requirements without replacing a physical template or performing complex reprogramming through the expert model and the robot decision model, so that the production changing time is remarkably shortened, and various order demands of the market can be quickly responded.

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.

The present invention addresses the problem of: preventing the occurrence of fraying of fibers at a cut portion of a string-shaped material; and performing a stable cutting operation. A cutting unit (210) for cutting a string-shaped material connected to an object to be sewn includes a heating member (211) that heat-melts a cut surface of the string-shaped material. In one example, the heating member functions as a cutting member, a gripping member (220) that grips a string-shaped material connected to an object to be sewn from the supply side is provided, and the string-shaped material gripped by the gripping member is brought into contact with the heating member (211), thereby thermally severing the string-shaped material. Since the string-shaped material is thermally severed, heat-melted fibers cool and solidify, and fraying of a cut end is eliminated. As another example, a cutting device (320) for cutting a string-shaped material is provided, and a cut surface of the string-shaped material cut by the cutting device is brought into contact with the heating member (211) to be heat-melted. In addition, gripping parts that respectively grip an upstream side portion and a downstream portion of the cut string-shaped material are provided, and each portion is brought into contact with the heating member in a gripped state.

The application relates to a height calibration method of a lifting presser foot, an electronic device and a storage medium. The height calibration method of the lifting presser foot comprises the following steps: controlling a driving member to run to a preset initial position; controlling the driving member to rotate clockwise by a first preset angle, so that the lifting presser foot runs to a first height; controlling the driving member to rotate counterclockwise by a second preset angle, so that the lifting presser foot runs to a second height; subtracting the first height from the second height to obtain a height difference; and adjusting the rotation angle of the driving member, so that the height difference is within a preset height difference range. Through the application, the problem of different heights of lifting presser feet in the related art is solved, and the heights of the lifting presser feet are consistent.

The invention relates to the technical field of garment processing, and discloses a pharmaceutical work clothes ear loop automatic sewing device and method.The pharmaceutical work clothes ear loop automatic sewing device comprises a workbench, a clamping plate assembly, a sewing machine and a movement control assembly, and the sewing machine is fixed to the upper surface of the workbench; the moving control assembly is used for controlling the clamping plate assembly to move on the plane of the workbench, the clamping plate assembly comprises a first clamping plate and a second clamping plate, one end of the first clamping plate is fixed to the moving control assembly, and the other end of the first clamping plate is hinged to the second clamping plate. The second clamping plate is provided with a plurality of ear loop buckle piece containing holes, the movable clamping plate is provided with a semicircular notch, the ear loop buckle piece containing holes are stepped holes, and the diameter of a large hole of each ear loop buckle piece containing hole is larger than that of the semicircular notch. The sewing operation is simple and quick, the close contact between an operator and the sewing needle can be greatly avoided, and the safety is improved.

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.

The invention relates to the technical field of sewing machines, in particular to a control method for preventing needle breakage during backstitch, which mainly comprises the following steps: a feeding motor and a feed lifting motor respectively drive a feeding tooth to horizontally move back and forth and move up and down; a standard sewing mode, a thick material backstitch mode and a cloth thickness threshold value are set, in the thick material backstitch mode, the rotation time sequence of a feeding motor relative to a main shaft in the standard sewing mode is advanced by a preset angle, and the rotation time sequence of a feed lifting motor relative to the main shaft is kept unchanged; the feeding motor and the feed lifting motor jointly drive the feeding teeth to move along a similar rectangular thick material backstitch track, and in a cloth feeding period when the feeding teeth move along the thick material backstitch track, the moment when the feeding teeth complete front and back horizontal cloth feeding is earlier than the moment when the machine needle pierces the cloth; when the thickness of the sewn cloth exceeds the cloth thickness threshold value and the sewing process is backstitching, the standard sewing mode is switched into the thick material backstitching mode for sewing. And needle breakage during backstitching of thick materials can be avoided.

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 present application effectively utilizes the operation information of a sewing machine. The operation information obtaining device includes: a storage portion, configured to store pattern information associating detection information and a sewing pattern of a sewing machine, where the detection information is configured to identify an action of a sewing needle of the sewing machine, and the sewing pattern corresponds to the detection information; an estimation portion, configured to estimate the sewing pattern of the sewing machine based on the pattern information and the detection information of the sewing needle detected by a detection device; and an obtaining portion, configured to obtain operation information of the sewing machine having the estimated sewing pattern.

A position estimation method according to one aspect of the present invention comprises: a learning step for acquiring, on the basis of input sensor signals, training data required to estimate the rotational position of a rotor; and a position estimation step for estimating the rotational position of the rotor on the basis of the input sensor signals and the training data. By performing the learning step, data indicating the correspondence between a segment number associated with a segment included in each of a plurality of quadrants and a pole pair number representing a pole pair position is acquired as training data. By performing the position estimation step, the initial position of the rotor is determined on the basis of the input sensor signals and the training data.

A sewing machine determines a pattern from multiple patterns, as a first pattern. The sewing machine generates a projection image including a first image representing a sewing image of the first pattern in a sewing expected size thereof. The sewing machine projects the generated projection image onto a projection area. The sewing machine sews the first pattern on a workpiece in the sewing expected size based on pattern data for the first pattern.

The application relates to a sewing feeding processing method and device, computer equipment and a storage medium. The method comprises the following steps: obtaining second feature points corresponding to the positions of first feature points on a product according to three first feature points on a reference figure, and creating a first coordinate system and a second coordinate system according to the feature points; obtaining the position of a second center point of the product in the second coordinate system according to the position of a first center point of the reference figure in the first coordinate system; creating a third coordinate system by taking the first center point as a coordinate origin and combining the second coordinate system, creating a fourth coordinate system by taking the second center point as a coordinate origin and combining the first coordinate system, and performing matrix multiplication operation on the third coordinate system and the fourth coordinate system to obtain a correction operator; and calculating a corrected feeding area grabbing point according to the correction operator and the feeding area grabbing point. The feeding track can be re-planned to avoid needle collision accidents in the sewing process.