Patents
Literature
20results about How to "Improve sewing quality" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Speed look-ahead method for spindle of rotary template sewing machine and related equipment
PendingCN119596848AImprove stabilitySmooth changeManufacturing computing systemsNumerical controlRotational axisControl engineering
The invention provides a speed look-ahead method for a spindle of a rotary template sewing machine and related equipment, and the method comprises the following steps: determining a shortest sewing period, and determining a minimum rotation angle of continuous movement of a rotating shaft according to the period; the track curvature of each stitch is determined, for the stitch with the track curvature larger than the minimum rotation angle of continuous movement, the spindle limiting speed of the stitch is determined according to the rotation axis movement time corresponding to the stitch, and for the stitch with the track curvature not larger than the minimum rotation angle of continuous movement, the spindle limiting speed of the stitch is determined according to the shortest sewing period; determining the spindle limiting speed of the stitch; and based on the spindle limiting speed of each stitch, performing spindle speed look-ahead planning on each stitch through a backtracking method to obtain a spindle planning speed of each stitch. By applying the method provided by the invention, the speed of the main shaft can be forecasted by combining the constraints of feeding movement and rotation shaft movement, the planning speed of the main shaft which changes smoothly and meets the corresponding movement constraints can be obtained, and the sewing stability can be improved.
Owner:ZHEJIANG HECHUAN TECH
Computer sewing machine
ActiveCN224186401UGuaranteed aestheticsEnsure consistencyProgramme-controlled sewing machinesSewing-machine control devicesSewing machine
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.
Owner:ZHEJIANG BAOYU SEWING MACHINE
Needle bar device of template machine
ActiveCN224243425UWill not affect movementSimple structureThread-break detectorsTake-up devicesMachineNeedle insertion
The technical scheme belongs to the technical field of template machines, and particularly relates to a needle rod device of a template machine, which comprises a rack, a needle rod, a needle head, a needle rod, a needle rod and a needle rod, the displacement mechanism is arranged on the machine frame, the displacement mechanism comprises a displacement driving part and a needle rod connector arranged at the output end of the displacement driving part, the front end of the needle rod connector is arranged outside the machine needle rod in a sleeving mode, and the displacement driving part drives the machine needle rod to move in a reciprocating mode in the needle inserting direction through the needle rod connector; the rotating mechanism is arranged on the machine frame, the rotating mechanism comprises a rotating driving part, the machine needle rod is arranged at the output end of the rotating driving part, and the rotating driving part is used for driving the machine needle rod to rotate with the axis of the machine needle rod as the center.
Owner:ZHEJIANG DUMA SEWING MACHINE
Positioning device and sewing apparatus
The utility model discloses a positioning device and sewing equipment. The utility model discloses a positioning device, including support cylinder, guide piece, first positioning piece and first drive part. The guide piece is fixedly connected in the outer peripheral wall of support cylinder, and the guide piece is opened with the guide groove in. The first positioning piece includes the positioning portion and the sliding portion who are connected with each other. The first drive part is connected the first positioning piece, and the first drive part is used for driving the first positioning piece movement to make the first positioning piece rotate around the axis of support cylinder. Through connecting the guide piece in the inner peripheral wall of support cylinder, and opening the guide groove that extends along the circumference of support cylinder in it, and letting the sliding portion slide in the guide groove, make the first positioning piece rotate around the outer peripheral wall of support cylinder in the positioning process, improve the fitting degree of positioning device and support cylinder, guarantee the clearance between the first positioning piece and support cylinder to keep stable, avoid the situation that the first positioning piece and support cylinder will be stuck with the hat brim, improve the positioning effect to the hat brim.
Owner:SHENZHEN DEYE AUTOMATION TECH
A sewing machine thread handling device and sewing equipment
This invention discloses a sewing machine thread handling device and sewing equipment, relating to the field of sewing equipment technology. To address the problems of functional dispersion, structural redundancy, and low space utilization in existing technologies where the thread clamping and thread end collection structures are inefficient, this device includes a needle plate, a thread gripping assembly, and a thread clamping and suction assembly. Both the thread gripping assembly and the thread clamping and suction assembly are located on the needle plate. The thread gripping assembly includes a thread gripping component, and the thread clamping and suction assembly includes a thread clamping part and a suction channel. The thread gripping component and the thread clamping part are arranged opposite to each other to form a thread clamping area for gripping the thread. The suction inlet of the suction channel faces the thread clamping area. This arrangement ensures effective thread clamping while simultaneously collecting thread ends, effectively reducing the number of functional components, simplifying the device structure, and improving space utilization. It also allows thread ends to be immediately sucked in after being removed from the clamp, reducing the risk of thread residue and accumulation, and improving thread end processing efficiency and equipment operational reliability.
Owner:JACK SEWING MASCH CO LTD
Elastic waistband sewing auxiliary positioning device, equipment and process
This invention discloses an auxiliary positioning device, equipment, and process for sewing elastic waistbands, relating to the field of garment manufacturing technology. The device includes a base plate and a cover plate. The base plate has fixing mechanisms at both ends for securing the ends of the taut elastic band. The base plate has a first stitching groove, and the cover plate has a second stitching groove. Both the first and second stitching grooves are U-shaped reciprocating bending grooves, extending along the length of the elastic band. When the cover plate is closed, the first and second stitching grooves correspond. This device assists workers in sewing elastic waistbands, simplifying operation, reducing operational difficulty, lowering worker skill requirements, improving sewing accuracy, ensuring workmanship consistency, improving sewing quality, and increasing work efficiency.
Owner:GUANGZHOU GEFENG FASHION CO LTD
A driving device for a middle presser foot of a sewing machine
The utility model relates to a drive arrangement of middle presser foot of sewing machine, including linear motor, connecting rod, current detector and stroke position detector, the linear motor includes motor stator and motor runner, the motor stator fixed mounting in sewing machine, the motor runner vertical linear movement, the connecting rod upper end with motor runner lower extreme direct fixed connection, lower extreme and middle presser foot direct connection, the current detector links to each other with linear motor, is used to obtain the working current of linear motor, the stroke position detector links to each other with linear motor, is used for detecting the displacement stroke of motor runner, the current detector and stroke position detector all link to each other with the control system of sewing machine, and the control system links to each other with linear motor control.
Owner:JACK SEWING MASCH CO LTD
Integrated sewing template for lappets and pockets
ActiveCN222574970UReduce difficultylow experience requirementWork-feeding meansStructural engineeringMechanical engineering
Owner:TAIAMPONAS TEXTILE TECHNOLOGY CO LTD
Computer pattern machine with flattening function
ActiveCN224741251Uavoid ironingImprove sewing quality
The utility model discloses a computer pattern machine with the function of flattening, and relates to the technical field of computer pattern machine, including pattern machine platform, the upper surface of pattern machine platform is provided with the ironing area, the top of ironing area is provided with the flattening device, pattern machine platform end part is provided with the take -up device, the take -up device is used to the feeding of ironing area, be provided with with the flattening device, take -up device between the taut device of pattern machine platform swing joint, be provided with with the flattening device, taut device between the flattening device of pattern machine platform swing joint. The computer pattern machine with the function of flattening, through setting the ironing area's effect on pattern machine platform, can iron the fabric and make it become flat before sewing the material, not only increases the sewing quality of product when sewing, but also avoids the ironing operation of fabric after sewing.
Owner:JIANGXI JIAHUI MASCH EQUIP CO LTD
A machine for sewing inside and outside corners with equidistant stitches
The utility model relates to sewing machine technical field especially discloses a kind of in and out turning equal-distance stitch sewing machine, including rack, sewing machine head being set on rack, pose data acquisition module and control center;Rack is also provided with the moving seat for moving the sewing piece to be waited, sewing machine head, pose data acquisition module, moving seat are electrically connected with control center, pose data acquisition module is set on moving seat, moving seat is used to move the sewing piece to be waited, sewing machine head carries out sewing operation to the sewing piece to be waited placed on moving seat;Pose data acquisition module is used to obtain the position data, pose data or / and speed data in the movement process of the sewing piece to be waited on moving seat, and data transmission is returned to control center and is handled by algorithm, control center controls the sewing speed of sewing machine head according to the data after processing, realizes the stitch consistency of in and out turning and straight line movement.
Owner:GANZHOU FEIYUE INTELLIGENT TECH CO LTD
Clothing pocket manufacturing template
ActiveCN224212926Uavoid offsetimprove accuracyWork-feeding meansMechanical engineeringIndustrial engineering
Owner:ZHEJIANG TEXTILE & FASHION COLLEGE +1
Display screen-based intelligent labbon machine
ActiveCN119287589BImprove sewing quality
The application relates to the field of rabbet machines, and provides an intelligent rabbet machine based on a display screen, which comprises a main body mechanism and a controller which are electrically connected with each other, the main body mechanism is connected with a main shaft transmission mechanism, a needle bar mechanism, a hook needle mechanism, a presser foot mechanism, a small press wheel transmission mechanism, a thread cutting and feeding mechanism and a gas valve mechanism, a single-chip microcomputer is arranged in the controller, and the single-chip microcomputer comprises a control module and a data storage module. The application can improve the sewing quality of soles and rabbets and make the needle distances equal.
Owner:DONGGUAN FEIYUE MASCH CO LTD
Industrial sewing machine with automatic feeding mechanism
This utility model discloses an industrial sewing machine with an automatic feeding mechanism. Relating to the field of industrial sewing machine technology, the machine includes a sewing machine body and a feeding mechanism. The feeding mechanism includes a mounting component disposed on one side of the sewing machine body; a feeding roller comprising a driving roller and a driven roller, which are vertically distributed; and an adjusting component mounted on the mounting component and connected to the driven roller on the feeding roller. This industrial sewing machine with an automatic feeding mechanism achieves dynamic self-adaptation of the driven roller pressure through the movable plate-slider-spring structure of the adjusting component: when feeding thick fabric, the fabric supports the driven roller, causing the movable plate to move upward, increasing the spring compression and ensuring stable friction; when feeding thin fabric, the spring force gently presses the fabric, avoiding indentations or damage. Combined with the vertically distributed compression of the driving and driven rollers, this significantly improves sewing quality.
Owner:TAIXING CHUANHUI GARMENT CO LTD
Control method, sewing machine, medium and product
ActiveCN121951786AImprove sewing qualityImprove efficiencyProgramme-controlled sewing machinesInput/output for user-computer interactionTarget controlProcess engineering
The invention discloses a control method, a sewing machine, a medium and a product. Relates to the technical field of sewing machines, and the method comprises the following steps: obtaining continuous image frames which comprise hands; determining a target control instruction according to the continuous image frames and the current state of the sewing machine; by means of the technical scheme, the sewing quality, efficiency and safety can be improved.
Owner:BULLMER ELECTROMECHANICAL TECH
Upper thread feeding mechanism of multi-needle machine
The utility model provides an upper thread feeding mechanism of a multi-needle machine, and belongs to the technical field of sewing machines. The problem that an existing upper thread feeding mechanism is poor in stability is solved. The multi-needle machine comprises a machine head, a thread trapper arranged at the tail of the machine head, a needle rod arranged at the head of the machine head and a rocking shaft arranged in the middle of the machine head, and the needle rod is in linkage with the rocking shaft. The upper thread feeding mechanism comprises a first thread guide frame arranged at the top of the needle rod, a second thread guide frame arranged at the head of the machine head, a bracket fixedly connected to the rocking shaft and extending towards the tail of the machine head, a third thread guide frame fixedly connected to the bracket and a fourth thread guide frame fixedly connected to the machine head, and the needle rod can drive the first thread guide frame to move up and down; the rocking shaft can drive the third thread guide frame to swing up and down through the bracket, and an upper thread in the thread clamping device is connected with a machine needle fixedly connected to the bottom of the needle rod through the fourth thread guide frame, the third thread guide frame, the first thread guide frame and the second thread guide frame. The upper thread feeding mechanism of the multi-needle machine has the advantages of being good in stability and improving sewing quality.
Owner:ZHEJIANG XINPU AUTOMATION TECH CO LTD
A type of overlock machine that automatically aligns the ends of fabric
ActiveCN224704797UImprove sewing quality
This utility model discloses an automatic fabric end-aligning overlock sewing machine, including an upper and lower misalignment correction device and an upper and lower fabric piece sensing device. The upper and lower misalignment correction device includes a first and second misalignment correction component capable of vertical movement. The upper and lower fabric piece sensing device includes a second mounting base located on one side of the fabric movement path, the second mounting base having a second partition plate, a third sensor for sensing the rear edge of the upper fabric piece above the second partition plate, and a fourth sensor for sensing the rear edge of the lower fabric piece below the first partition plate. This utility model detects the rear edge of the upper and lower fabric pieces through the upper and lower fabric piece sensing device and controls the feeding speed of the upper and lower fabric pieces through the upper and lower misalignment correction device, ensuring that the rear edges of the upper and lower fabric pieces are aligned during the sewing process, thereby improving sewing quality.
Owner:NINGBO SUPREME ELECTRONIC MASCH INC
Thread clamping mechanism for garment processing sewing machine
The utility model belongs to the technical field of sewing machines, and particularly relates to a thread clamping mechanism for a garment processing sewing machine, which comprises a sewing machine body, a thread clamping device is clamped at the front end of the sewing machine body, an installation assembly is arranged in the sewing machine body and comprises a pressing rod, the pressing rod is slidably connected in the sewing machine body, and the thread clamping device is arranged on the pressing rod. A supporting frame is fixedly connected to the left side of the pressing rod, connecting rods are rotationally connected to the front end and the rear end of the supporting frame correspondingly, sliding frames are rotationally connected to the other ends of the two connecting rods correspondingly, and sliding rods are fixedly connected to the left sides of the two sliding frames correspondingly. The pressing rod is pressed, the pressing rod slides on the fixing rod and compresses the spring to drive the supporting frame to move, the supporting frame enables the sliding frame to drive the sliding rod to slide on the sliding rod and break away from the clamping groove through the connecting rod, rapid installation and detachment of the thread trapper are achieved, tools are not needed, and operation is easy and convenient.
Owner:GUANGXI TEXTILE & APPAREL DESIGN INST CO LTD
Double-crank mechanism embroidery machine head
The utility model provides a double crank mechanism embroidery machine head relates to sewing embroidery technical field, including the casing, be equipped with the presser foot drive crank in the casing, the presser foot drive crank is connected with needle bar drive crank through same transmission shaft fixedly. Adopt double crank mechanism respectively simultaneously drive needle bar main part and presser foot main part, can make both sides keep a balanced state of opposition in the movement, the movement between two cranks can offset each other axial centrifugal swing, effectively control the vibration produced in axial, reduce the vibration and noise produced when equipment works. Through the coordinated transmission between control connecting rod, make presser foot main part cloth time meet the cooperation between the sewing mechanism, effectively improve the sewing performance. Through a plurality of connecting rod transmission, make presser foot main part and needle bar main part's movement more coordinated, in the both separation and contact instant is in the same speed state, reduce the vibration produced between the impact when mechanism movement, reduce noise and improve the sewing quality.
Mechanical arm track optimization method
PendingCN121973224AOvercome the problem of inaccurate track fitAchieve high-precision adaptive adjustmentProgramme-controlled sewing machinesProgramme-controlled manipulatorRobotic armEngineering
The invention relates to a mechanical arm track optimization method which comprises the steps that the actual outer contour of a target flexible material is obtained, and the transformation relation between the actual outer contour and a predefined template contour is determined; respectively determining target information associated with the predefined sewing track in the actual outer contour and the template contour as first target information and second target information; mapping the second target information and the sewing track to an actual outer contour coordinate system based on the transformation relation; and in the coordinate system, the difference between the mapped sewing track and the mapped second target information is taken as a reference, and the difference between the sewing track and the first target information is optimized, so that optimized sewing track data adaptive to the actual material form is finally output. According to the mechanical arm track optimization method, deformation and placement errors of the flexible material can be effectively compensated, and the sewing track fitting degree and the sewing precision are improved.
Owner:HANGZHOU TAIWEI YUNCHUANG INTELLIGENT TECHNOLOGY CO LTD
Charging mechanism of quilting machine
ActiveCN222648309Uheight adjustableimprove sexual functionWork-feeding meansRotational axisIndustrial engineering
The utility model relates to the technical field of quilting machines, and discloses a quilting machine charging mechanism which comprises a charging mechanism body, two sliding grooves are formed in the top of the charging mechanism body, slidable installation blocks are installed in the two sliding grooves, a roller is installed between the two installation blocks, and the roller is arranged on the top of the charging mechanism body. An electric push rod is fixed on one side of the charging mechanism main body; the adjusting mechanism comprises an adjusting seat fixed at the top of the mounting block and a rotating shaft connected to one side of the roller; through the arrangement of the adjusting mechanism, the height of the roller can be conveniently adjusted when the roller works, so that the quilting machine is suitable for fabrics with different thicknesses or types, and the flexibility and the functionality of the quilting machine are greatly improved; meanwhile, the problem that sewing is uneven or sewing threads are loose possibly due to the fact that the height of a roller of an existing device is difficult to adjust is solved, and the sewing quality of the cotton quilts is greatly improved.
Owner:PINGDINGSHAN CITY MUTALRICH HOME TEXTILE CO LTD