Expansion and contraction type wire drawing machine conveying roller

A technology of conveying rollers and softening machines, applied in the field of softening machines, can solve the problems of close stacking, pleating, affecting the softening effect of leather, etc., and achieve the effect of ensuring the softening effect and keeping the smoothness.

Pending Publication Date: 2019-04-05
NANTONG SIRUI ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the oscillating softening machines used in the existing market usually need to use the cooperation between the fixed plate and the oscillating plate in the process of softening the leather. In this process, the leather is easy to v

Method used

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  • Expansion and contraction type wire drawing machine conveying roller
  • Expansion and contraction type wire drawing machine conveying roller
  • Expansion and contraction type wire drawing machine conveying roller

Examples

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Embodiment Construction

[0030] The following embodiments can make those skilled in the art understand the present invention more comprehensively, but do not limit the present invention to the scope of the described embodiments.

[0031] like Figure 1-Figure 10 The shown conveying roller of an expansion-contraction softener includes a conveying roller body 1, the conveying roller body 1 has at least one expansion-contraction section 2, and the expansion-contraction section 2 has a plurality of annularly distributed expansion pieces 3, and a built-in The expansion drive mechanism in the ring formed by the plurality of expansion pieces 3 drives each expansion piece 3 to move synchronously in a radial shape along the radial direction of the ring.

[0032] Each expansion piece 3 constituting the same expansion and contraction section is held tightly by a holding mechanism. As for the setting of the holding mechanism, each expansion piece 3 constituting the same expansion and contraction section is conne...

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Abstract

The invention relates to an expansion and contraction type wire drawing machine conveying roller. The expansion and contraction type wire drawing machine conveying roller comprises a conveying rollerbody, the conveying roller body is provided with at least one expansion section, the expansion section is provided with a plurality of expansion pieces which are annularly distributed, an expansion driving mechanism which is internally arranged in an annular inner ring formed by the multiple expansion pieces, and the expansion driving mechanism drives the expansion pieces to move in the radial direction of the annular radial direction. The conveying roller has the advantages that the expansion section is arranged on the conveying roller body, and the expansion pieces are used for moving in a radial direction, so that the caliber of the expansion section changes, and then the whole conveying roller body forms a state which is high in middle and low in two sides; and when the conveying roller is used for conveying a conveying belt of a tensioning soft machine, the conveying belt forms the state which is high in middle and low in two sides, so that when leather is conveyed from the conveying belt, the leather is prevented from getting close to the middle position of the conveying belt to be stacked, the phenomenon of wrinkling is avoided, and the soft effect of the leather is ensured.

Description

technical field [0001] The invention relates to a softening machine, in particular to a conveying roller of an expansion-shrinking softening machine. Background technique [0002] Pulling soft is also known as scraping soft. A process of tanning. After the wet leather is dried, the leather fibers stick together, the leather body shrinks, and it appears uneven and stiff. Softening can make the leather subject to the combined effect of bending and stretching, so that the leather fibers are moderately loosened and become soft and stretched to meet the requirements of the next processing. Before softening, the dry leather should be evenly wetted to a suitable moisture content to avoid mechanical damage to the leather fibers. There are many types of soft-pulling machines. (1) Vertical Softening Machine: Rely on the upper and lower rubber rollers, pressing rollers and scrapers to bend, rub or stretch the leather to loosen and soften the leather fibers; (2) Oscillating Softenin...

Claims

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Application Information

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IPC IPC(8): C14B1/40C14B17/14
CPCC14B1/40C14B17/14
Inventor 张亚楠
Owner NANTONG SIRUI ENG
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