Method for manufacturing reused fresh-keeping isolation layer in rubber tire preparation

A technology of rubber tires and manufacturing methods, applied in the direction of coating, etc., can solve the problem of high manufacturing cost of fresh-keeping isolation layers, and achieve the effect of saving production costs

Inactive Publication Date: 2013-05-22
卢建忠 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production cost of the fresh-keeping isolation layer made by the above method is relatively high

Method used

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  • Method for manufacturing reused fresh-keeping isolation layer in rubber tire preparation
  • Method for manufacturing reused fresh-keeping isolation layer in rubber tire preparation

Examples

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Embodiment Construction

[0014] An example such as figure 1 Place three salivating dies 1, 2 and 3 above the pressure rollers 5 and 6, and the salivating dies 1 and 3 simultaneously drool and melt the polyolefin fresh-keeping isolation layer layer 4, and the salivating die 2 drools out the ratio of the fabric layer 4 Middle layer 2 with high tensile strength and low elongation. Under the rolling of two pressure rollers 5 and 6 with the same rotating speed, opposite rotation and substantially parallel axis centers, the fresh-keeping isolation layer 7 is hot-pressed and compounded and cooled and leveled by a plurality of cooling rollers 8 .

[0015] The salivating die heads 1, 2, and 3 can be connected with one or more screws respectively. The structure is as follows: figure 2 , The drooling die head 1 is connected with the screws 1a, 1b, 1c, the die head 3 is connected with the screw rod 3a, and the die head 2 is connected with the screws 2a, 2b.

[0016] Another kind of embodiment, place two saliva...

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Abstract

The invention discloses a method for manufacturing a reused fresh-keeping isolation layer in rubber tire preparation. According to the method, a linear casting die head is connected with one or more screws, polyolefin materials with different characteristics extruded out by different screws composite in the die head so as to form cast polyolefin cast films of the composite materials casted by the same die head; and the linear casting die head casts melting polyolefin materials with the same or different characteristics at the same time, and the sheet rubber fresh-keeping isolation layer with different characteristics which can be reused can be formed by through hot pressing by two press rolls, cooling by multiple cooling rolls, and one-time hot pressing composite curing. Through the method disclosed by the invention, the fresh-keeping isolation layer can be prepared in once-forming, the multilayer fusion fastness is extremely high, and is integrated into a whole; and the inherent characteristic of the fresh-keeping film is kept, as well as the fresh-keeping isolation layer can be circularly reused.

Description

technical field [0001] The invention belongs to a composite manufacturing technology of polyolefin film layers, and specifically refers to a technology for manufacturing a polyolefin rubber sheet fresh-keeping isolation layer that can be reused in the rubber tire preparation process by means of salivation and hot rolling. technical background [0002] In the rubber tire manufacturing process, in order to prevent the rubber sheet from being oxidized and sticking to debris during the circulation process, the rolled rubber sheet interlayer is covered and isolated with a polyethylene film. The existing polyethylene fresh-keeping isolation film coated with rubber sheets can only be used once. The reason is that when the polyethylene cling film is peeled off from the rubber sheet, the polyethylene cling film will be deformed, folded, perforated, etc., so it cannot be used again. In order to make the fresh-keeping isolation layer have strong tensile strength and low elongation, a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C41/32B29C59/04B29L9/00
Inventor 卢建忠
Owner 卢建忠
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