Double-air-inflow slip shaft, slip ring set, slip ring and friction ring
A kind of air-slip, slip-difference technology, applied in the direction of winding strips, sending objects, processing thin materials, etc., can solve the problems of large elongation, easy stretching deformation, poor coiling speed, etc.
Inactive Publication Date: 2019-11-26
DMD AIR SHAFT
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Problems solved by technology
However, due to the uneven thickness of the material itself, there is a difference in thickness. After the coil material is continuously coiled, the diameter of each coil material will produce a larger cumulative error, which leads to a greater difference in the coiling speed and tension difference of each strip. Larger, resulting in uneven tightness of the coil and uneven end faces. In severe cases, the material will be damaged and scrapped due to excessive tension. Especially polyester film, not only has a large thickness error, but also has a large elongation rate, which is easy to stretch and deform to cause waste.
Method used
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[0023] In order to illustrate the central idea of the present invention expressed in the column of the above-mentioned summary of the invention, it is expressed in specific embodiments. Various objects in the embodiments are drawn according to proportions, sizes, deformations or displacements suitable for illustration, rather than drawn according to the proportions of actual components, which will be described first.
[0024] Such as figure 1 As shown, it is the slip shaft 1 of the present invention, and several slip ring sets 2 and several friction rings 40 are sheathed on a mandrel 10 . The friction ring 40 is interposed between two adjacent slip ring sets 2 . The slip ring set 2 includes two slip rings 20 .
[0025] Such as figure 2 As shown, the mandrel 10 includes a first air inlet 11 and a second air inlet 12 . The first air intake portion 11 and the second air intake portion 12 are respectively connected to an adjustable air pressure source (not shown). The firs...
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The invention discloses a double-air-inflow slip shaft. The double-air-inflow slip shaft comprises a mandrel, multiple slip ring sets rotationally sleeving the mandrel and multiple friction rings positioned on the mandrel. One friction ring is located between every two adjacent slip ring sets. Each slip ring set comprises multiple sliding blocks exposed on the circumferential surface of the slip ring set, wherein the sliding blocks can move in the radial direction. Each friction ring comprises multiple friction parts capable of moving in the axial direction, wherein the top ends of the friction parts correspond to the end face of the slip ring set. The mandrel comprises a first air inflow portion and a second air inflow portion. The first air inflow portion and the second air inflow portion are connected to an adjustable air pressure source. Pressure airflow passing through the second air inflow portion is conveyed to the slip ring sets in order to control radial motion of the slidingblocks, and the radial outer top bracing force of the sliding blocks is adjusted. Pressure airflow passing through the first air inflow portion is conveyed to the friction rings in order to control axial motion of the friction parts, and the friction force of the friction parts to the slip ring sets is adjusted.
Description
technical field [0001] The present invention relates to the field of slip shafts. More specifically, the slip shaft of the present invention controls the supporting tension of the slip ring to the inner wall of the material reel and the friction force of the slip ring to the mandrel by means of double air inlets. Background technique [0002] The slitter is a device that cuts a roll of web material into multiple rolls. The function of the winding shaft is to roll the slitting material into multiple rolls. However, due to the uneven thickness of the material itself, there is a difference in thickness. After the coil material is continuously coiled, the diameter of each coil material will produce a larger cumulative error, which leads to a greater difference in the coiling speed and tension difference of each strip. Larger, resulting in uneven tightness of the coil material, uneven end faces, and severe cases due to excessive tension of the material and damage to scrap, espec...
Claims
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Login to View More IPC IPC(8): B65H18/08B65H35/02
CPCB65H18/08B65H35/02
Inventor 赵令泽
Owner DMD AIR SHAFT