593results about "Programme-controlled sewing machines" patented technology

To reduce power consumption of a sewing machine.SOLUTION: A sewing system comprises: a plurality of sewing machines that operate in a normal mode and a low power waiting mode to wait with a lower power consumption than the normal mode; and a control part connected to the plurality of sewing machines through network. The control part acquires information relating to operating state from the plurality of sewing machines and transmits instruction to shift to the low power waiting mode to the sewing machine with the operating state satisfying a mode switching condition among the plurality of sewing machines.SELECTED DRAWING: Figure 1

The invention provides a sewing machine and a sewing method thereof, and belongs to the technical field of sewing equipment. The problem that an existing sewing machine is insufficient in sewing quality is solved. The sewing machine comprises a base, a needle plate with a needle falling hole, a bottom shuttle located below the needle plate, a straight-rod-shaped transmission rod and a strip-shaped thread shifting rod, the transmission rod is located on the side portion of the bottom shuttle and movably connected to the base, the end, close to the bottom shuttle, of the transmission rod is fixedly connected with one end of the thread shifting rod, and the other end of the transmission rod is connected with a thread shifting driving assembly. Under the driving of the thread shifting driving assembly, the transmission rod can perform reciprocating motion in the axial direction and swing at the same time, so that the other end of the thread shifting rod performs circumferential circulating motion and can be located between the needle falling hole and the bottom shuttle. Reverse stitches can be avoided in the sewing process, the sewing machine has the advantage of being low in manufacturing cost, and the sewing quality is further improved.

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 discloses a medium presser foot mechanism control method and a medium presser foot mechanism, and the method comprises the following steps: a control unit controls the rotation of a main shaft motor, a medium presser foot motor and a feeding motor according to a target pattern parameter, and obtains a target sewing stitch; the control unit obtains a given material pressing angle range from the expected material pressing angle range according to the cloth thickness and the sewing speed; the control unit obtains a given middle presser foot stroke from the expected middle presser foot stroke according to the cloth thickness and the middle presser foot height; according to the middle presser foot mechanism, a motor drives a crank, fisheye connectors A and B, a connecting rod, a pressing rod guide frame and other assemblies, and follow-up vertical movement of a middle presser foot is achieved. A motor is fixed through a support, an output shaft is connected with a driving crank, and the driving crank drives a fisheye connector A to be connected with a connecting rod and transmits motion to a pressing rod and a middle pressing foot. The pressing rod guide frame plays a guiding role and limits rotation of the pressing rod. The induction plate is arranged on the driving crank, when the middle presser foot is lifted to the highest point, the sensor can sense the induction plate, and position feedback is achieved.

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

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.

To properly inspect a sewing object.SOLUTION: A sewing management system comprises: a plurality of sewing steps to sew sewing objects using sewing machines; a correlation data storage part to store correlation data indicating relation of inspection levels with inspection steps of the sewing objects executed after the sewing steps; and an output part to make an output device output the inspection levels according to the inspection steps.SELECTED DRAWING: Figure 1

To provide data for analyzing causes of defects of a sewing object.SOLUTION: A sewing management system comprises: an input data acquisition part to acquire input data indicating defects of a plurality of sewing objects sewn by a plurality of operators using a plurality of sewing machines from an input device; a processing part to calculate defect rate for each of a plurality of evaluation items relating to sewing based on the input data; and an output part to output the defect rate.SELECTED DRAWING: Figure 1

To provide data for analyzing the cause of a defect of a sewn object.SOLUTION: A sewing management system comprises: a defect cause storage unit to store a plurality of defect items, which are items on defect causes for sewn objects sewn by operators using sewing machines; an input data acquisition unit to acquire input data indicating defect causes from an input device; a processing unit to classify the input data by defect item; and an output unit to output the classified input data.SELECTED DRAWING: Figure 1

To properly make a production plan of a sewn product.SOLUTION: A sewing management system includes: a normal operation time calculation unit that calculates normal operation time indicating time required for a normal operation in which an operator sews a sewing target by using a sewing machine; a correction operation time calculation unit that calculates correction operation time indicating time required for a correction operation in which the operator corrects the sewing target after the normal operation by using the sewing machine; and an output unit that outputs the normal operation time and the correction operation time.SELECTED DRAWING: Figure 1

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.

The invention discloses a template machine self-adaptive intelligent control method, and relates to the technical field of template machine control, and the method comprises the steps: carrying out the correction calculation of the coordinates of to-be-sewn track points of a preset sewing track of to-be-sewn clothes in each sub-region in combination with the deviation distance of each sub-region, obtaining the correction point coordinates of each to-be-sewn track point, and obtaining the correction point coordinates of each to-be-sewn track point; the deviation rectifying track is input into a template sewing machine control module, the template sewing machine is made to conduct sewing operation according to the deviation rectifying track, the deviation conditions of the template sewing machine in all the sub-areas of the working table top are accurately analyzed, and targeted deviation rectifying is conducted on the preset sewing track of the current to-be-sewn clothes according to the deviation conditions; the generated deviation rectifying track is transmitted to a control module of the template sewing machine, so that the template sewing machine performs sewing according to the deviation rectifying track, the sewing accuracy and stability of the template sewing machine are improved, and sewing deviation caused by the fact that the preset sewing track is not consistent with the actual sewing condition is reduced.

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 provides a sewing control method of a computer sewing machine, and belongs to the technical field of sewing machines. The problem that an existing computer sewing machine is insufficient in sewing quality is solved. The sewing control method comprises the following steps that A, a thread shifting device with a thread shifting rod is arranged on the side portion of a bottom shuttle; b, the control system judges and records a reverse stitch needle point; c, sewing a first needle; d, the feeding device drives the sewing material to move to a next-needle sewing position, and according to whether the needle point of the current sewing position is a reverse stitch needle point or not, the following actions are executed: if yes, a thread shifting rod is controlled to move and act on a bottom thread between a bottom shuttle and a needle plate, so that one part of the bottom thread crosses an axial lead where a machine needle is located, and the other part of the bottom thread crosses an axial lead where the machine needle is located; then the machine needle brings the upper thread to the position below the needle plate, the thread shifting rod is separated from the bottom thread, and the upper thread and the bottom thread are interwoven to form a stitch; if not, the machine needle moves downwards to bring the upper thread to the position below the needle plate, and the upper thread and the bottom thread are interwoven to form a stitch. The sewing machine has the advantages of high sewing quality and low manufacturing cost.

To provide data for analyzing causes of defects of a sewing object.SOLUTION: A sewing management system comprises: an input data acquisition part to acquire input data indicating a defect part of each of a plurality of sewing objects having the same design sewn by operators using sewing machines from an input device; and an output part to make a display device display an image of the sewing object by superimposing a first symbol indicating the defect part on the image of the sewing object.SELECTED DRAWING: Figure 1

The invention provides a sewing efficiency detection method and system based on sewing machine worker action analysis, a medium and a terminal. The method comprises the following steps of obtaining a motor starting time point and a motor stopping time point of sewing equipment; obtaining a turner sewing image of a time period between the adjacent motor stop time point and the motor start time point; based on the sewing image of the turner, acquiring the action duration of each sewing action executed by the turner, wherein the sewing actions comprise cutting piece taking, cutting piece sewing, cutting piece arranging and cutting piece placing; and obtaining the sewing efficiency of the lathe worker based on the sewing action and the action duration. According to the sewing efficiency detection method and system based on sewing turner action analysis, the medium and the terminal, the turner sewing efficiency is detected based on action recognition of the sewing turner and action data of the sewing machine, and the method and the system are rapid and efficient.

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.

A sewing management system (1) comprises: a data acquisition unit (61) that acquires operation data of a sewing machine (2); a processing unit (62) that calculates power consumption of the sewing machine (2) on the basis of the operation data; and an output unit (63) that causes an output device to output the power consumption.

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.

A non-transitory computer-readable storage medium stores a display program including a set of program instructions for a display apparatus. The display apparatus includes a camera, a display, and a controller. The set of program instructions, when executed by the controller, causes the display apparatus to perform: acquiring a shot image representing a real space, the shot image being an image shot by the camera; acquiring target information indicating a thread spool of a detection target; detecting a thread spool position on the shot image for the thread spool of the detection target, based on the shot image and the target information; generating a display image based on the shot image, the display image indicating the thread spool position; and displaying the display image on the display.

To provide a management system of power consumption of a sewing machine.SOLUTION: A sewing management system includes a data acquisition part that acquires utilization data of a sewing machine, a processing part that calculates power consumption of the sewing machine based on the utilization data, and an output part that allows an output device to output the power consumption.SELECTED DRAWING: Figure 1

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 controller of a sewing machine acquires sewing data for forming a utility pattern continuously in a first direction, acquires a condition for sewing a tapering pattern including a tapering portion, generates a projection image representing the tapering pattern based on the sewing data and the condition, controls a needle bar, a feed dog, and an actuator in accordance with the sewing data to sew the utility pattern continuously in the first direction, after starting sewing of the utility pattern, controls a projector to project the projection image at a planned sewing position of the tapering pattern in a planned sewing size, and performs a tapering pattern sewing operation of, after starting projection of the projection image, controlling the needle bar, the feed dog, and the actuator in accordance with the sewing data and the condition to sew the tapering pattern that is continuous with the utility pattern.

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.