LGA type network rapier loom
The LGA786 network rapier loom is a shuttleless loom independently developed by Liaocheng Changrun Fabric Machinery Co., Ltd. (formerly Liaocheng Fabric Machinery Factory) according to market needs for weaving special fabrics. The machine has advanced performance, compact structure, and is easy to operate. It has the characteristics of high degree of automation, stable and reliable weaving. Suitable weaving varieties The opening mechanism of this machine has been specially designed and can weave mesh leno geotextiles and mesh window screen fabrics, which are widely used in infrastructure construction industries such as water conservancy projects, walls, paving, and roofs. It can weave various spinning yarns with linear density ranging from 30 to 1500tex. Opening system: The opening configuration is a positive full-opening double-action mechanical dobby, with the left side being lower-mounted. The heald frame adopts a specially designed special heald frame, which can meet the process requirements of special fabrics. Weft insertion mechanism The weft insertion mechanism adopts a double-sword single-side weft supply method. The flexible sword belt driven by the conjugate cam and the clamping weft clamper transfer the weft yarn in the center to complete the weft insertion. The optimally designed and carefully arranged conjugate cam controls the entire weft insertion process, which can make the rapier head’s resting pattern more reasonable and ensure stable weft tension, reliable handover, and smooth operation when the loom is running at high speed. Beating-up mechanism The beating-up mechanism is driven by a conjugate cam and has a short reed base with separate feet. It uses inertia to beat up to reduce the impact and energy consumption of leisure. The beat-up conjugate cam has the same high precision as the weft insertion conjugate cam, and drives a strong short reed base to ensure the beat-up force when weaving heavy fabrics. The weft selection mechanism is generally equipped with a mechanical flexible shaft type 2-color weft selector, connected to the dobby machine to achieve the weft selection requirements, with a simple structure and reliable use. The main transmission mechanism is driven by a 4kW main motor through an electromagnetic brake clutch to drive various mechanisms of the loom. The electromagnetic brake clutch cooperates with the electronic control system to accurately control the starting, positioning, parking, inching and other functions of the loom. Warp let-off mechanism The positive warp let-off mechanism adopts a compound adjustment method to ensure uniform let-off and stable let-off tension. An external warp delivery mechanism can also be adopted according to user requirements. The coiling mechanism uses a worm gear, worm gear and sprocket to actively and continuously drive the coiling roller to achieve continuous coiling. The diameter of the large cloth rolling roller is 550mm, and an external rolling mechanism can also be adopted according to user requirements. Weft density mechanism Fabric weft density is obtained by changing the gear transmission ratio of the gear-type weft density regulator. By changing the number of teeth of a pair of gears, weft density from 1 to 26 threads/cm can be obtained. The whole machine is equipped with 15 pieces in total. Gears with different numbers of teeth are available. The biggest advantage of this gear-type weft density adjuster is that the transmission is precise and reliable. The control and detection system adopts a single-chip microcomputer control system, which has functions such as automatic parking, automatic weft search, fault detection, and liquid crystal display. All operations of this loom are button operations. Jog, start, stop, forward and reverse rotation, and weft search all have their own button operations. These buttons are installed on the square beam. Indicator lights are installed on the square beam. The red light indicates stop for weft break and the green light indicates stop for warp break. The electric control box is equipped with a main motor, a control switch for the vacuum motor, a manual and automatic transfer switch, and a red emergency switch for cutting off the power supply in an emergency. Buttons etc. Lubrication device: The main transmission gear train adopts oil bath lubrication, the balance shaft bearing adopts regular forced lubrication, and the parts without oil bath adopt sealed bearings. Vacuum Mechanism In order to promptly clean the fiber dust in the yarn clamp of the left weft clamp, a stand-alone vacuum motor with a power of 300W is installed on the left side of the loom, and left and right suction ports are equipped on the fixed guide rail.
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