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Sealing braided base material for foodstuff processing machinery and method for preparing same

A food processing and mechanical technology, applied in textiles and papermaking, fiber treatment, yarn, etc., can solve the problems of difficult sealing of woven substrates, difficult molding, etc., and achieve the effects of good sealing, strong elasticity and strong antibacterial properties

Active Publication Date: 2015-10-28
DONGTAI HUAYANG GLASS FIBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the elasticity of nylon fiber is too strong, and its elastic recovery rate is comparable to that of wool, so it is difficult to form and it is difficult to be used as a sealing weaving substrate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Embodiment 1: A kind of sealing braided base material for food processing machinery, comprising an inner layer and a cortex, the inner core layer adopts continuous nylon fiber bundles; the cortex adopts S-twisted nylon fibers with a twist of 80 to 100 twists yarn; the skin layer is wound clockwise on the outer surface of the inner core layer; the inner core layer is provided with a silane coupling agent and an antistatic agent.

Embodiment 2

[0020] Embodiment 2: a kind of sealing braided base material for food processing machinery, including inner core layer and cortex, described inner core layer adopts continuous nylon fiber bundle; described cortex adopts S twist, and twist is the nylon fiber of 80~100 twists yarn; the skin layer is wound on the outer surface of the inner core layer in a clockwise direction; the inner core layer is provided with a silane coupling agent and an antistatic agent, and the inner core layer and the skin layer are provided with a silane coupling agent and antistatic agents.

Embodiment 3

[0021] Embodiment 3: A kind of preparation method of the sealed braided base material that is used for food processing machinery, sealed braided base material is inner core layer by the middle part, and the outer part is cortex group layer, and described inner core layer is continuous nylon fiber bundle, so Described cortex is S twist, and twist is the nylon fiber yarn of 80~100 twists; It is characterized in that, comprises the following steps:

[0022] (1) Prepare composite molding agent by mixing silane coupling agent and antistatic agent according to the ratio of 1:1;

[0023] (2) Soak the continuous nylon fiber bundle in the composite molding agent for 3-5 minutes;

[0024] (3) Nylon fiber yarn is prepared according to S-twist and 80-100 twist of nylon fiber;

[0025] (4) Wrap the nylon fiber yarn clockwise on the outer surface of the continuous nylon fiber bundle soaked in the composite molding agent.

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Abstract

The invention discloses a sealing braided base material for foodstuff processing machinery. The base material comprises a core layer and a skin layer; the core layer employs continuous nylon fiber bundles; the skin layer employs nylon fiber yarn having a S-twist structure with the twist being 80-100; the skin layer is clockwise wound around the outer surface of the core layer; and the core layer is provided with a silane coupling agent and an antistatic agent. The invention also discloses a method for preparing the sealing braided base material for foodstuff processing machinery. The method comprises following steps: preparing a compound molding agent by the use of the silane coupling agent and the antistatic agent with the ratio being 1:1; soaking the continuous nylon fiber bundles in the compound molding agent for 3-5 minutes; preparing the nylon fiber yarn by the use of nylon fibers based on the S-twist structure with the twist being 80-100; and clockwise winding the nylon fiber yarn around the outer surface of the continuous nylon fiber bundles after the continuous nylon fiber bundles are soaked in the compound molding agent. According to the invention, a problem that nylon fibers are difficult to mold as the nylon fibers are high in elasticity is solved, and the sealing braided base material is ageing resistant, and is high in sealing performance and antibacterial performance.

Description

technical field [0001] The invention relates to a sealing braided base material used for manufacturing seals of food processing machines, in particular to a sealing braided base material used for food processing machines and a preparation method thereof. Background technique [0002] The sealing element is installed in the sealing box, and the sealing element is pressed on the surface of the shaft through the sealing gland. Because the surface of the shaft is always somewhat rough, it can only be partially attached to the seal, but partially not in contact, thus forming countless labyrinths. When the pressurized medium passes through the surface of the shaft, the medium is throttled several times, and the seal is achieved by virtue of this "labyrinth effect". The fit and friction between the seal and the shaft surface are also similar to sliding bearings. There should be enough liquid for lubrication to ensure that the seal has a certain life, which is the so-called "bearin...

Claims

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Application Information

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IPC IPC(8): D02G3/36D06M13/50D06M101/34
Inventor 钱华钱忠标史玉庆姚武肖通虎
Owner DONGTAI HUAYANG GLASS FIBER
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