Balancing system of supercalender

A technology of super calender and balancing system, applied in the field of papermaking equipment, can solve the problems of hindering paper grades, large difference in quality index, damage to calender rolls, etc., and achieves small changes in movement space, fewer intermediate problems, and reduction of two sides. poor effect

Active Publication Date: 2016-04-27
ZIBO TAIDING MASCH TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing super calender, multiple calender rollers are arranged vertically. Due to the influence of the calender roller’s own weight, the line pressure of each nip gradually increases from top to bottom, resulting in a large difference in the quality index of the two sides of the paper after calendering, which hinders the Improve the grade of paper, affect the printing speed and printing effect
Some existing super calender top rolls and bottom rolls are fixed middle and high rolls. When the pressure of the working line changes, the change of the bending degree of the roll body under pressure will cause a large difference in the quality index of the paper after calendering and finishing.
[0003] In addition, the calender rolls of existing super calenders are all controlled by oil cylinders through swing arms to balance the gravity of the calender rolls. However, this structure makes the calender rolls do swinging motion in the vertical direction. During the process, the centers of the calender rolls are not in the same vertical plane, resulting in large changes in the spatial position of the calender rolls, and many problems in the processing and operation process
Moreover, the diameter of the calende

Method used

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  • Balancing system of supercalender
  • Balancing system of supercalender
  • Balancing system of supercalender

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0038] Example 1

[0039] Such as Figure 1~2 As shown: the calender roller unit includes a calender roller 10, a paper guide roller 8 and sliding seats 5 at both ends of the calender roller 10. The paper guide roller 8 is installed on the sliding seat 5. The guide mechanism includes a guide rail 4 arranged on the frame 1 of the super calender. The sliding seat 5 is provided with a sliding groove matching the guide rail 4, and the cross section of the guide rail 4 and the sliding groove are both "T" shaped. There are two guide rails 4, the two guide rails 4 are arranged vertically, and the cross sections of the two guide rails 4 are both "T" shaped. The sliding seat 5 is installed on the guide rail 4 through the chute, and can slide up and down along the guide rail 4, so that the sliding seat 5 moves smoothly, avoiding vibration and damaging the paper during the working process, and ensuring the movement of the calender roller 10 to avoid moving Deviation from the guide rail dur...

Example Embodiment

[0067] Example 2

[0068] Such as Figure 7~8 Shown: the difference between embodiment 2 and embodiment 1 is that the paper guide roller mounting frame 7 is installed on the connecting plate 12 on the side of the slide 5 by bolts, so that the paper guide roller 8 and the calender roller 10 are located on the slide respectively On both sides of 5, the axis of the paper guide roller 8 and the calender roller 10 are arranged in parallel, and the axis of the paper guide roller 8 and the calender roller 10 are arranged in parallel.

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Abstract

The invention discloses a balancing system of a supercalender and belongs to the technical field of papermaking equipment. The balancing system is characterized by comprising a calender bowl unit and a gravity balancing system, wherein a guide mechanism is arranged on a supercalender rack (1); a plurality of calender bowls are mounted on the guide mechanism in a vertical slidable manner; a fixing part of the gravity balancing system is mounted on the supercalender rack (1), a traction part of the gravity balancing system is connected with the calender bowl unit, and the gravity balancing system is used for balancing the gravity of the calender bowl unit. The gravity balancing system of the balancing system of the supercalender can balance the weight of the calender bowl unit, so that pressure of a lower pressure area and pressure of an upper pressure area of the supercalender on a paper web are equal, and the difference between two sides of the paper web is reduced greatly; the guide mechanism enables the calender bowl unit to move linearly, so that the moving space of the calender bowl unit changes little, and few intermediate problems in processing and operation processes are caused.

Description

technical field [0001] A balance system of a super calender belongs to the technical field of papermaking equipment. Background technique [0002] In paper production, the calender is the key equipment that ultimately determines the quality of the paper. For a long time, high-grade cultural papers such as coated paper, super matt paper and special industrial technical paper have been finished on existing super calenders. In the existing super calender, multiple calender rollers are arranged vertically. Due to the influence of the calender roller’s own weight, the line pressure of each nip gradually increases from top to bottom, resulting in a large difference in the quality index of the two sides of the paper after calendering, which hinders the Improve the grade of paper, affect the printing speed and printing effect. Some existing super calender top rolls and bottom rolls are fixed middle and high rolls. When the pressure of the working line changes, the change of the be...

Claims

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Application Information

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IPC IPC(8): D21G1/00
CPCD21G1/004D21G1/0073D21G1/0086
Inventor 诸葛宝钧宋懿贞任山吴保海马东浩
Owner ZIBO TAIDING MASCH TECH CO LTD
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