As seen from the carding process, the carding machine is the characteristic of the work: it is able to card the ends of the fibers, and the wool can be separated on a regular basis, due to the card to join the cotton combing, separation, joining and other actions are carried out intermittently, for continuous In production, the main parts of the card movement must work closely with each other to continue working carding in a correct and complete cycle. The structure of the double twisting unit of the double twisting machine mainly includes the spindle braking device, the spindle part of the double twisting machine, the yarn winding device, and the special device of the double twisting unit. 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. 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). The rotation speed of Xinjinlong for combed Xinjinlong per revolution. The card completes a cycle.
The card is characterized by the action of the method, the duty cycle of each card can be divided into 4 preparation stages before combing the cylinder, preparing the separation before engaging with the top separating comb, and combing the cylinder. 1. Xinjinlong carding development stage As shown in Figure 5-5, at this stage, the upper and lower clamps of the enterprise are closed, and the feeding cotton layer is firmly clamped. The needle surface of Xinjinlong is turned to the whiskers, and the needles are analyzed and combed through the whiskers.
During the combing study, the nipper gradually oscillated backwards with deceleration. When the following rows of combing needles of Xinjinlong are working, the nipper plate starts to swing forward continuously. During this teaching process, the rear separation rubber series rolls backwards, and the last one-week period mainly stays at the end of the cotton net in the traditional separation jaw. push down. At this stage, the separated roller and the feeding roller are both in a relatively static target state, and the top comb swings back and forth with the nipper, but does not jointly participate in the combing work of the students.
2. The preparation stage before separation is shown in the figure. 5-6, after the end of the Xilin carding stage, the clip continues to swing forward, gradually approaching the separation roller. The separation roller starts from rest, reverses the last cycle of the cotton web into the end of the machine, and then changes from reverse to forward.
At this stage, except for the reverse and forward direction with the separation roller, the rear separation glue moves forward along the separation roller. The pliers are gradually opened, the cotton roller starts to feed cotton, and the top comb still swings forward with the pliers, but still does not participate in the combing work. As shown in Figure 5-7, the clamping plate continues to swing forward, and the front end of the clamping bush has reached the surface of the separation roller, so that the cotton web poured into the machine overlaps the front end of the whiskers just combed.
And output from the separation roller to complete the separation joint. When the front end of the bushing enters the opening of the separating roller clip, the bushing is stretched and stretched upward in a straight state. Since the top comb has been lowered to a lower position at this time, the rising whiskers are embedded in the top comb, and the separated fiber tails are dragged through the top comb gap, resulting in the combing effect of the top comb.
Since the surface speed of the separating roller is greater than that of the clamping plate and the top comb to swing forward, the separating fiber layer is stretched and thinned into a cotton web state. The clamping plate and top comb continue to swing forward to the front position until the non-fiber enters the clamping opening of the separation roller and the separation ends. During the separation process, the cotton roller continues to feed cotton, and the post-separation rubber roller continues to roll forward.
The cotton stops when the clamping plate is placed in the front position. 4. In the preparatory stage before combing Xinjinlong shown in Figure 5-8, this stage the nipper pivots backwards, continues to separate the rollers clockwise, and then stops when the stage begins, keeping the top comb and then clumps The nipper swings. When the nipper goes down, the pressure of the stripe, from the top comb of the needle, the feed roller keeps still, and gradually closes the nipper, the combing Xinjinlong has been transferred to the lower surface of the clamping plate, and the first row of combs is about to touch the stripe cylinder comb , a new cycle is about to start working.