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A kind of auxiliary winding machine belt and its preparation method

A technology of coiling machine and endless belt, which is applied in the direction of belts, conveyors, and other household appliances, etc. It can solve the problems of insufficient stretching tension of the belt of the coiling machine, low breaking strength of finished products, and long production time, so as to achieve the production cycle Effect of short, low cost, good tensile and cut resistance

Active Publication Date: 2016-04-20
AA IND BELTING (SHANGHAI) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to solve the defects in the prior art such as insufficient fixed elongation tension of the coiler belt, low breaking strength of the finished product, intolerance to engine oil, long production time, etc., and provide a finished product with high breaking strength, durable Engine oil, coiler belt with short production time and preparation method thereof

Method used

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  • A kind of auxiliary winding machine belt and its preparation method
  • A kind of auxiliary winding machine belt and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The high-strength and low-elongation polyester yarn with a twist of 50 and a diameter of 20,000 D is warped and woven into a seamless endless belt; then the SK Group CS series TPU with a water content of less than 0.1% is heated by an infrared heater after passing through a scraper to make The TPU is melted and bonded to the seamless endless belt with a thickness of 1mm. The warp yarn density of the seamless endless belt is 5 yarns / cm, and the weft yarn density is 3 yarns / cm. The heating temperature during the blade coating process was 200°C.

Embodiment 2

[0032] The para-aramid yarn with a twist of 60 and a diameter of 40,000 D is warped and woven into a seamless endless belt; the seamless endless belt is stretched and run on the machine, pre-shrunk and shaped at a temperature of 165°C, and then BASF B series TPU with a water content of 0.07% is heated by an infrared heater after being passed through a scraper, so that the TPU is melted and bonded to the seamless endless belt, with a thickness of 0.5mm. The warp yarn density of the seamless endless belt is 10 yarns / cm, and the weft yarn density is 5 yarns / cm. The heating temperature during the blade coating process was 200°C.

Embodiment 3

[0034] The glass fiber yarn with a twist of 55 and a diameter of 60,000 D is warped and woven into a seamless endless belt; the seamless endless belt is stretched and run on the machine, pre-shrunk and shaped at a temperature of 165 ° C, and then the water content Less than 0.1% Lubrizol Specialty Chemicals The special polymer series TPU is heated by an infrared heater after being scraped, so that the TPU is melted and bonded to the seamless endless belt, with a thickness of 0.6mm. The warp yarn density of the seamless endless belt is 8 yarns / cm, and the weft yarn density is 4 yarns / cm. The heating temperature during the blade coating process was 200°C.

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Abstract

The invention discloses a wrapper belt and a preparation method thereof. The preparation method includes the following steps of (1) warping yarns and passing the yarns through heddle eyes, and knitting the yarns into a seamless annular belt, wherein the yarns are high-strength low-elongation polyester yarns, aligned aramid yarns and glass fiber yarns, and (2) spreading thermoplastic polyurethane elastomer rubber having the moisture content of 0.1% by mass percentage on the seamless annular belt. The wrapper belt is short in production period, low in cost, and good in tensile strength, cutting resistance and mechanical oil resistance; swelling ageing phenomenon seldom takes place; the stretching tension of the wrapper belt extending by 1% reaches 30N / MM and the break strength of the wrapper belt exceed 500N / MM; besides, the preparation method of the wrapper belt is advantageous for industrialization.

Description

technical field [0001] The invention relates to a winding aid belt and a preparation method thereof. Background technique [0002] In the production process of steel and aluminum factories, processors must repeatedly thin and cut steel and aluminum plates and roll them into round coils for operation or transportation. The finished products must also be packaged in rolls for easy transportation for downstream steel plate cutting or stamping industries. The surface of the sheet is sharp during the coiling process, and the layered sheet must be tight and firm with smooth edges during the coiling process, otherwise the sheet will produce wrinkles and indentations, resulting in product defects, so the technical specifications are very high. In the past, a few imported products could meet such requirements, but the preparation process took a long time, the delivery time was about 3-6 months, and the price was expensive. However, domestic products were mostly made of rubber belts. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29D29/06B65G15/54B65G15/34
Inventor 涂木林涂国圣
Owner AA IND BELTING (SHANGHAI) CO LTD