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Carding machine stripping part

Author:Xinjinlong Machinery-Fabric Recycling Machine Manufacturer

The stripping part of the carding machine is to peel off the cotton net above the doffer table, collect it through a bell mouth, and press the roller to form a tampon, which is regularly mapped by the coiler and can be placed in the sliver. Carding machines are used to process cotton fibers and chemical fibers and belong to textile machinery. According to the spinning process, carding is an important process.

The front process of the carding machine is the opening and cleaning machine, and the latter process is the drawing frame (carding process) or the sliver coiler (combing process). During the spinning process of the spinning frame, the semi-finished roving or sliver is drafted, twisted, and wound into a spinning machine. The combed sliver and the needle-carding machine combine the sliver, the needle row is drafted to improve the sliver structure, and the roving is further spun into spun yarn on the ring spinning frame, which is the main spinning machine. Grinder A spinning machine that turns fiber strands into rovings.

The main function is to draft and twist, and to wind the roving into a certain package to meet the processing requirements of the spinning frame. The 1181c carding machine originally used a chopper to strip cotton. After high-speed and high-yield, some will change the chopper stripping to apron stripping or roller stripping.

A186G type carding machine is mainly used to meet the needs of social production enterprises (Doffer thinks that the speed is 30 rpm, and the surface line speed is 66.5 m/min). The process that the stripping device must meet the following requirements: (1) The structure of the stripped cotton web should be kept uniform; (2) The cotton is stable; (3) The stripper mechanism is simple in structure, minimal maintenance, operation and use convenient. Chopping knife stripping cotton stripping device is composed of lower cutting knife and cutting knife fuel tank.

The lower chopper is composed of a swing shaft, a chopper section and a chopper blade. The chopper can not only peel off the cotton net on the doffer perfectly, but also eliminate the main impurities and short convergence of this part. The design of the chopper and stripping device is shown in Figure 2-30.

In each swing of the chopper, the upward development movement is free, and it does not play the role of stripping cotton. When going to the next movement, the ab from point a to gage point b is also free. The starting point of peeling c (near the distance point b) and the lowest horizontal position d of the chopper swing play a role in peeling, a is the effective stroke of the chopper for peeling cotton.

Tension pressure cotton box wool, with stripping hit the chopper and high-speed rotation time deflation applied to the chopper starting to swing upward from point d, and a small cotton web is stripped and removed from the doffer. It can be seen that the chopped intermittent doffer rips from the wool, the fleece and each peel is only for a short period of time. The product of the number of swings per minute, the length of each chopper stripped of the nonwoven fabric, is approximately equal to the surface speed of the doffer.

The general measures to improve the chopper stripping capability are as follows: (1) increase the number of chopper swings per minute; (2) increase the chopper oscillation stroke; (3) reduce the relatively important position of the chopper and shorten the idle stroke. At present, the general kitchen knife mechanism should not exceed 2000 rpm. The reciprocating mechanism of the can kitchen knife is too fast, and it is easy to heat and wear, so the speed is limited.

When the hem chopping position is too low, the knife will cut away from the surface of the doffer, and excessive stripping action destroys the uniformity of the fleece structure. Therefore, some plants take setbacks of light-cutting blade teeth, combing needles hard (needle spacing of 22°78/10 cm comb density). Due to the increased density of the comb tips, the chopper 200 can reduce the number of swings per minute, the effect is very obvious.


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