From the end of the 17th century to the beginning of the 18th century, Europe invented the shuttle projection device, which accelerated the pace of weaving technology innovation. In 1785, the British Cartwright invented the first power transmission loom, which started the era of industrial weaving, but the weft insertion principle adopted by the loom is essentially the same as the manual looms that have been used by humans for a long time. , that is, the two use the shuttle to carry the weft yarn, through the shed formed by the upper and lower warp yarns, and beat the weft through the steel box of the box seat, so that the warp and weft are interwoven to form a fabric, so the looms that use the principle of shuttle weft insertion are collectively referred to as There are shuttle looms. Over the past two centuries, the shuttle loom has undergone continuous improvement.
In 1895, Northrop, an American, invented an automatic fiber-changing device that automatically changed the weft fibers into the shuttle when the loom was running, which was the automatic fiber-changing loom.
In 1926, the Japanese Sakichi Toyoda invented an automatic shuttle-changing loom, the Toyota Loom, which was widely used in my country. Later, someone invented the box-shaped large fiber warehouse, the head weft winding mechanism, the mechanical jacquard machine, the opening of the dobby machine and other technologies, so the traditional loom was further developed into various series of automatic looms, and the popularization and use of automatic looms It has epoch-making significance in the textile industry.
Although the shuttle loom has undergone continuous reforms, the traditional weft insertion principle remains unchanged, that is, it has (“large projection body (shuttle) weft insertion; (2) the projection body contains a weft yarn package; (3) the projection body repeatedly projects and other three major characteristics. The use of heavy shuttles as weft insertion tools limited the further increase in the speed of shuttle looms until the 1970s. The technology of shuttle looms has reached its peak, and it is impossible to expect new major breakthroughs At the beginning of the 20th century, leading loom designers began to deviate from the traditional weft insertion method of using a shuttle to carry weft, and tried to make a loom that extracts weft yarn from a fixedly installed large package and directly introduces the weft yarn into the shed. Collectively referred to as shuttleless looms, including rapier, projectile, air-jet, water-jet looms and multi-phase looms.
The industrial application of shuttleless looms began in the 1950s. Especially in the past 30 years, the development speed of shuttleless looms has been extremely fast, with increasing models and perfect functions. In the 1980s, modern microelectronics technology was widely used in looms to make them more automated, which greatly promoted the development of looms, and the cycle of loom product replacement was shortened day by day. The replacement of shuttle looms by shuttleless looms has become an irreversible trend. At present, a new generation of looms such as multi-phase looms and knitting machines has also developed to a certain extent.
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Post time: Apr-24-2023
