Compact spinning apparatus for spinning frame

Abstract

The invention discloses a tight spinning device used for a spinning machine, which belongs to the field of spinning mechanical technology and includes a lower leather roller mounted on a cocket centring of the spinning machine. A lower roller is mounted below the cocket centring and tightly pressed on the lower leather roller. The device also includes a contact area formed between the lower roller and the lower leather roller. A drafting zone r is formed between a pre-drafting device and the output end a of a drafting compression roller consisting of the lower roller and the lower leather roller. A beaming piece is mounted in a beaming area n formed from the output end a of the drafting zone to the output end c of the beaming piece. The invention adopts that the yarn after being drafted by the drafting zone r directly enters the beaming area n to be bunched and finally twisted by a spindle of the spinning machine through the output end C, thus greatly decreasing an inverse angle; besides, the yarn-off phenomena are fewer, furthermore, the structure is easier, the beaming effect is excellent and the operation is stable.

Description

technical field [0001] The invention relates to a textile machine, in particular to a compact spinning device applied to a spinning frame. Background technique [0002] In the spinning process of the traditional spinning frame, after the drafted sliver leaves the front roller with a certain width and in a free state, it is immediately processed into a yarn, and a spun yarn is formed in the yarn forming area In the triangular area, because the loose fibers in the spinning triangular area cannot be well controlled, many fiber whiskers around the yarn sliver will be scattered in advance and cannot be bundled, and the scattered fibers will protrude out of the yarn because they cannot be squeezed into the yarn The "hairiness" that occurs in spinning is formed, which seriously affects the yarn quality and reduces the fiber utilization. Therefore, it is necessary to improve the conveying form of the sliver before twisting, even if the sliver is parallel, straight and closely arran...

AI Technical Summary

Problems solved by technology

For example, a compact spinning device with patent No. 03228410.1 is provided with an air suction pipe with two ends fixed on two adjacent roller seats with air suction port and exhaust port, which is set outside the air suction pipe and corresponds to the position of the air suction port. The cohesive sleeve with a condensation groove in the circumferential direction of the cohesive sleeve, the tension device stuck in the cohesive sleeve, the air-permeable conveying ring and the transmission pressure device set on the cohesive sleeve, the compact spinning device can make the fiber bundle output by the front roller Under the action of negative pressure generated by the exhaust system, it is adsorbed on the air-permeable conveying ring, and under the action of the pressurized transmission device and the air-permeable conveying ring, the fiber bundle is tightened and straightened to achieve twisting into yarn. The yarn device can better solve the original "hairiness" problem and improve the yarn quality, but there are also some shortcomings, such as complex structure and high production cost; and the compact spinning device and the roller are driven by different power devices. It is easy to cause the speed of the compact spinning device to be out of sync with the speed of the rollers, resulting in yarn blocking and yarn breakage, which cannot eliminate the twisting triangle and affect the quality of the yarn

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