SGAⅢflexible rapier loom
The SGA726Ⅲ flexible rapier loom is a new generation product independently developed by Jiangsu Gaochun Fabric Machinery Co., Ltd. based on the original SGA726Ⅱ model and combined with the domestic rapier loom market. This machine has the characteristics of compact structure, strong variety adaptability, convenient variety change, convenient and simple operation, high degree of automation, stable and reliable weaving, etc. Suitable weaving varieties: The diameter of the warp beam side disc is 805mm and 1000mm. Equipped with electronic 6-color weft selector, controlled by PLC programming. Shedding system shedding configuration Staubli2650 or Changshu Textile Machinery Company’s GT405-Ⅱ electronic dobby, left-hand downward type, SGA726Ⅲ type rapier loom dobby shedding is a small shedding mechanism, the shed height is generally 28mm, read by the program The system control opening is casual, making input and correction extremely convenient. The main drive is a three-phase motor driving the main shaft of the loom through a single narrow V-shaped belt. The main shaft is equipped with an electromagnetic clutch. The electronic control system controls its starting and braking, thereby controlling the starting and braking of the entire machine. By adjusting the motor belt The size of the disc is used to change the speed of the loom. The main shaft of the loom drives various components through high-precision gear pairs. Each transmission shaft is supported by high-precision rolling bearings. The transmission is smooth and the vibration is small; the energy loss is small and the transmission efficiency is high. The reed seat of the beating mechanism is fixed on the rocking shaft supported by the rolling bearings of the frames on both sides. A pair of high-precision conjugate cams on the left and right are driven by the main shaft through high-precision gears, so that the rocking shaft drives the reed seat to perform the beating action according to specific rules. , the reed base has a large angle of repose, strong beating-up force, small impact vibration, and can adapt to the high-speed operation of the loom. Weft insertion mechanism adopts double-sided flexible rapier single-side weft insertion and clamp-type center transfer weft insertion method. The weft insertion mechanism is driven by a space crank linkage mechanism to drive the sector gear and the pinion gear meshed with the sector gear to drive the rapier wheel to reciprocate, causing the flexible rapier meshed with the rapier wheel to reciprocate, thereby achieving weft feeding and weft picking. the goal of. Weft selection mechanism adopts an electronic weft selection mechanism, and can achieve arbitrary selection of eight-color weft yarns by setting the electronic control program. The hemming and scraping mechanism adopts the independent conjugate cam transmission hemming transmission mechanism to make the hemming half-heald frame move up and down, and uses the Leno hemming device to perform single-hole leno hemming and weave out the waste selvedges on both sides at the same time. The hemming time can be adjusted arbitrarily according to the weaving process requirements. The warp let-off system adopts an active electronic let-off. The warp release amount (warp beam speed) of the warp beam disc is controlled by an AC servo motor imported from Japan. The warp tension value during the weaving process is measured by the swinging back beam and the pressure value is transmitted to the strain sensor. The device continuously sends warp tension signals to the microprocessor to monitor and control the speed of the let-off servo motor. The motor speed is proportional to the warp tension value measured by the sensor. The sensitivity and adjustability of the continuous signals received by the microprocessor ensure that the warp tension remains constant from the full axis to the small axis without being affected by changes in the diameter of the weaving beam. The take-up mechanism adopts an electronic take-up mechanism. The fabric passes through the side support, opening roller, take-up roller from the cloth opening to the cloth take-up roller. The take-up roller is driven by the take-up box. The electronic: take-up device is imported from a separate Japan. AC servo motor control, the microprocessor sets the weft density, thereby controlling the stepless speed change of the winding motor. The weft density range can be set between 8 and 200 threads/cm, and the entire winding device does not need to change gears. . Customers can choose electronic take-up boxes with a capacity of 4 to 200 pieces/cm. Idle and weft-finding and breaking systems The idle and weft-finding and breaking actions of the loom are driven by a separate slow-speed weft-finding motor. When the loom stops due to weft breakage or when dealing with weft defects, the automatic weft-finding and breaking system can be used. This system passes The slow-speed electromagnetic clutch and the weft-seeking clutch automatically make the loom reverse (or forward) to facilitate processing of weft defects. At this time, only the warp let-off, take-up, shedding and other mechanisms perform synchronous actions, while the beating-up and weft insertion are stopped. move.
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