282results about "Programme-controlled sewing machines" patented technology

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 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.

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 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.

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

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.

A sewing machine includes a needle bar, a needle plate formed with a needle hole, a presser bar, a sewing machine motor, a presser motor, and a controller. The controller is configured to perform a first-stitch operation of, at start or restart of sewing, driving the sewing machine motor to move the needle bar from a lower needle position to an upper needle position, and then driving the presser motor to move the presser bar from a lowered position to a normal position. The controller is configured to perform a second-stitch operation of, based on a detection result of movement of a sewing workpiece placed on the needle plate, driving the sewing machine motor to move the needle bar in the upper-lower direction in a state where the presser bar is located at the normal position.

The invention discloses a segmented sewing leak seam and wrong seam mistake proofing device, and belongs to the field of automobile safety air bag machining equipment. The device comprises a multi-dimensional sensing module, an AI decision-making module, a closed-loop control module and the like. The follow-up detection head is linked with the presser foot, and multiple physical quantity data are acquired through cooperation of vision, force-electricity coupling and the laser sensor; the AI module analyzes defect grades through a data fusion algorithm, and triggers an electromagnetic clutch, an ink-jet marker and the like to execute grading intervention. And the system also has parameter self-adaption and full-process tracing functions. According to the device, comprehensive and accurate identification of dominant and hidden defects in the sewing process of the safety air bag can be realized through multi-dimensional sensing collaborative design of vision, force-electric coupling and laser contours, defect loss is effectively controlled by means of AI intelligent decision and a real-time closed-loop intervention mechanism, and production continuity is guaranteed; and meanwhile, through technological parameter self-adaption and full-process tracing functions, the flexible production requirement is met, and the strict quality control requirement of the automobile industry is met.

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.

To identify a region in which a pattern is provided and a region in which a pattern is not provided.SOLUTION: An image processing device includes: an object image acquisition part for acquiring an object image showing an image related to a sewing object; a learning model storage part for storing a learning model generated by machine-learning an image for learning which shows learning data related to the object image; and a region division part for dividing the surface of the sewing object into a texture region and a stitch region based on the object image and the learning model, and for calculating a boundary between the texture region and the stitch region.SELECTED DRAWING: Figure 1

The utility model provides a computer sewing machine, and belongs to the technical field of sewing machines. The problem that an existing sewing machine is not high in sewing quality is solved. The computer sewing machine comprises a base, a needle plate with a needle falling hole and a rotating shuttle located below the needle plate, and further comprises a guide seat arranged in the base, a transmission shaft located below the rotating shuttle and a thread shifting rod which is in a C-shaped strip shape and is arranged around the periphery of the rotating shuttle. The transmission shaft is horizontally arranged in the front-back direction of the sewing machine and connected to the guide seat in a sliding mode, the lower end of the thread shifting rod is connected with the transmission shaft, and the transmission shaft can do reciprocating motion in the axial direction and do circumferential reciprocating rotation at the same time, so that the upper end of the thread shifting rod does circumferential circulating motion and can be located between the needle falling hole and the rotating shuttle. According to the design of the computer sewing machine, the control difficulty is reduced, the sewing error is obviously reduced, and the sewing quality is further improved.

The application discloses an intelligent piecework method of a sewing machine, and comprises the following steps: judging whether a standard piecework template exists in a current piecework algorithm, obtaining data of the standard piecework template if the standard piecework template exists, obtaining at least three pieces of marking data to obtain a temporary piecework template if the standard piecework template does not exist; recording a sewing machine action signal in a sewing process of the sewing machine; constantly updating the temporary piecework template if the temporary piecework template is obtained; matching the sewing machine action signal with the standard piecework template or the latest temporary piecework template to judge whether the sewing of a piece of clothing is completed, counting the number of the clothing sewing pieces if yes, otherwise, continuously recording the sewing machine action signal in the sewing process of the sewing machine; and the application reduces the influence of data marking and improves the piecework accuracy through the standard piecework template and the constant optimization of the temporary piecework template.

The application discloses a garment processing equipment, and aims to provide a door collar sewing equipment and a control method thereof, which can automatically perform sewing of a door collar with a zipper, has high sewing precision and efficiency, can sew different types of patterns according to requirements, can automatically perform processing quantity detection during sewing, and can automatically perform finished product collecting, technical scheme points are that a cloth placing table is used as a sewing table surface of cloth, a driving assembly is used for controlling a fixing device to move relative to a sewing device to complete sewing of a pattern on the cloth, so that the equipment as a whole can automatically realize cloth feeding, positioning, sewing, collecting and piece counting, a control module controls the cloth to move relative to the sewing device according to a preset input setting value, the overall sewing precision is high, and the requirement of large-scale production is met, and the application is suitable for the technical field of cloth sewing.

The application provides a cloth cutting control method, device and equipment of a lock eye machine and a storage medium. The method comprises the following steps: determining a cloth cutting entry position and a cloth cutting exit position according to an obtained sewing pattern; starting a sewing process; and controlling the cloth cutting tool to move downward along a vertical direction when a needle moves to a preset position, wherein the cloth moves along a horizontal direction during the sewing process, and the cloth cutting tool contacts the cloth when the cloth cutting tool is at the cloth cutting entry position in the horizontal direction. The cloth cutting tool is controlled to move up and down along the vertical direction when the cloth cutting tool moves downward along the vertical direction to a lowest position point, and the cloth cutting tool moves up and down along the vertical direction until the cloth cutting tool is at the cloth cutting exit position in the horizontal direction, wherein the height of the lowest position point is greater than or equal to the thickness of the cloth. The method simplifies the calculation process of the cloth cutting tool during cloth cutting, solves the problems of spindle speed reduction, stitch deformation and the like caused by the downward pressing type cloth cutting, improves the sewing and cloth cutting efficiency, and ensures the appearance of the finished product.

The application relates to a sewing machine rotating speed control method, a sewing machine and a storage medium, wherein the method is characterized in that a proportion of a time parameter of the sewing machine running at a first rotating speed in total running time parameters is obtained during running, the first rotating speed is not lower than a first threshold value, and the time parameter comprises running time length or running stage number; and in the case that the proportion is not lower than a second threshold value, the upper limit of the rotating speed of the sewing machine is increased, so that the problem that the sewing efficiency of the sewing machine is low in the case that the highest rotating speed of the sewing machine cannot match the skill proficiency of a user in the prior art is solved.

The application provides a presser foot slow descent control method, system, electronic device and sewing machine. The method comprises: obtaining target data; the target data comprises a target position, a current position and a preset slow descent position of a presser foot; the preset slow descent position is a preset pause position of the presser foot; comparing the target position and the preset slow descent position to obtain a comparison result; if the comparison result indicates that slow descent is needed, lowering the presser foot from the current position to the target position according to a preset slow descent strategy; and if the comparison result indicates that slow descent is not needed, lowering the presser foot from the current position to the target position according to a closed-loop control algorithm. The presser foot lowering speed can be effectively reduced for an electromagnet presser foot lifting mechanism, and noise is reduced. Meanwhile, the application range is wide, and the application is suitable for different electromagnet presser foot lifting mechanisms, such as flat sewing and overlock sewing.

The robot sewing assembly comprises a sewing head body, an upper arm, a motor and a lower arm. The upper arm is connectable to the sewing head body and includes a sewing needle oriented along a first axis. The lower arm is rotatably connected to the sewing head body so as to be rotatable about a second axis transversely defined by the motor relative to the first axis. The lower arm comprises a needle plate, a butterfly curved needle, a first transmission system and a second transmission system. The first transmission system may extend through the lower arm and is configured to maintain a position of the needle plate during rotation of the lower arm. The second transmission system may extend through the lower arm and is configured to drive the butterfly curved needle during rotation of the lower arm.

The invention provides double-station template machine garment production equipment and a control method thereof. The double-station template machine garment production equipment comprises a garment template, a first template automatic opening and closing device, a second template automatic opening and closing device, a template machine, a cutting piece separation table top, a template transfer device and a robot. And the template machine is arranged on one side of the first template automatic opening and closing device and the second template automatic opening and closing device in the first direction. And the cutting piece separating table top is arranged on the other side of the first template automatic opening and closing device and the second template opening and closing device in the first direction. And the template transfer device comprises a template grabber, a transfer device bottom plate and a robot mounting seat. The robot mounting seat is arranged on the transfer device bottom plate, the template grabber is movably arranged on the transfer device bottom plate, and the first template automatic opening and closing device and the second template automatic opening and closing device are arranged on the transfer device bottom plate. The robot is arranged on the robot mounting base and used for transferring the cut-parts.

The invention provides a model training method, a sewing equipment debugging method, a system, equipment and a medium. The method comprises the following steps: acquiring a training data set; the training data set comprises a plurality of training data; the training data comprises state information, action information and a reward function; the state information comprises cloth information, sewing equipment machine parameters and cloth stitch flaw degree; the action information is an action corresponding to the state information; the reward function is a function corresponding to the state information; and training an initial debugging model based on the training data to obtain a trained debugging model. According to the method, the state information, the action information and the reward function are used as training data, and the action strategy is gradually optimized in the training process, so that the trained debugging model selects the action capable of obtaining a higher accumulated reward under similar state information, thereby improving the stability and convergence performance of strategy learning, and improving the efficiency of strategy learning. And cloth waste and time cost caused by on-line tests are avoided.

A sewing system is provided with a sewing machine and a terminal device capable of communicating with the sewing machine. The terminal device includes an input portion, a device processor, and a device memory. The device memory stores computer-readable instructions that, when executed by the device processor, instruct the device processor to perform processes. The processes executed by the device processor include acquiring sewing data including needle drop position data representing needle drop positions when sewing an embroidery pattern using the sewing machine, receiving an edit operation, on the input portion, to edit the embroidery pattern, transmitting, to the sewing machine, at least some of the sewing data, before terminating the receiving the edit operation, and transmitting, to the sewing machine, edit data according to the edit operation, after starting the transmitting the at least some of the sewing data.

In a sewing machine in which a head rotates, reduction in sewing efficiency is suppressed. The sewing machine has: a holding member that can hold a sewing object so as to move in a prescribed plane; a needle bar that holds a sewing needle to which upper thread is supplied; a head that can rotate about a rotation axis orthogonal to the prescribed plane in a state in which the needle bar is supported; a bobbin that rotates about the rotation axis in synchronization with the head, cooperates with the sewing needle by supplying lower thread, and forms a stitch on the sewing object; a movement control section that controls movement of the holding member based on sewing data; and a rotation control section that controls a rotation angle of the head and the bobbin based on a change amount of a movement direction of the holding member specified by the sewing data. The rotation control section controls in a manner in which the rotation angle coincides with the change amount when the stitch is formed on a first range of the sewing object, and controls in a manner in which the rotation angle becomes smaller than the change amount when the stitch is formed on a second range of the sewing object.