Implantation method of steel disc when casting pattern block of tyre mould at high pressure

A technology for casting tires and pattern blocks, which is applied in the field of steel sheet implantation in high-pressure casting tire mold pattern blocks, which can solve the problems of low cost and short production cycle, and achieve the effects of low production cost, convenient implementation, and firm joints

Inactive Publication Date: 2009-03-04
QINGDAO YUANTONG MACHINERY CO LTD
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  • Abstract
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  • Application Information

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Problems solved by technology

Compared with the existing pattern block manufacturing method, this method has simple process, short production cycle, high precision and low cost, but this method does not solve the problem of how to implant steel sheets in the pattern block

Method used

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  • Implantation method of steel disc when casting pattern block of tyre mould at high pressure
  • Implantation method of steel disc when casting pattern block of tyre mould at high pressure
  • Implantation method of steel disc when casting pattern block of tyre mould at high pressure

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with accompanying drawing.

[0017] The invention utilizes metal molds to high-pressure cast pattern blocks in tire molds, and inserts steel sheets between patterns of the pattern blocks while die-casting the pattern blocks. Steel sheet implantation method among the present invention is as follows:

[0018] In the first step, recessed steel sheet grooves are set between the patterns on the upper surface of the lower die 1 . When setting the steel sheet groove, its specific position and size should be determined. When determining the position of the steel sheet groove, since the pattern on the upper surface of the lower mold is consistent with the pattern on the corresponding tire tread, the position of the steel sheet groove can be determined according to the position of the narrow groove on the tire tread. The depth of the narrow groove is the same as the depth of the steel sheet groove, and its len...

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Abstract

The invention relates to a method for manufacturing tyre moulds, particularly a method for embedding steel sheets when casting pattern blocks of the tyre mould under a high pressure. The method mainly comprises the following steps: forming a depressed steel sheet groove between the patterns on the upper surface of a lower mould; inserting the pre-formed steel sheet into the steel sheet groove, forming a small hole at one end in the length direction of the steel sheet, and inserting the end of the steel sheet, at which no small hole is formed, into the steel sheet groove; and casting molten alloy materials, which pass through the small hole at the end of the steel sheet, and firmly fix the steel sheet in the pattern block after being solidified, under a high pressure in a mould cavity after the mould is matched, wherein the steel sheet which is fixed in the pattern block is pulled out of the lower mould along with the rise of the pattern block after the mould is unloaded. The method has the advantages that the process is simple, the implementation is convenient, the size and the position of the embedded steel sheet are accurate, the steel sheet is firmly spliced with the pattern blocks, and does not easily drop off, and the production cost is low.

Description

technical field [0001] The invention relates to a method for manufacturing tire molds, in particular to a method for implanting steel sheets during high-pressure casting tire mold pattern blocks. Background technique [0002] In the invention patent application with the patent application number 200410054310.8 and the name "tire mold and its manufacturing method", a method of segmentally high-pressure casting a tire mold pattern block with a metal mold is proposed. The tread is segmented, the tread pattern is decomposed into several units, and then the unit modules are manufactured separately, and finally the unit modules are put into the mold frame to assemble the tire mold pattern cavity. Compared with the existing pattern block manufacturing method, this method has simple procedure, short production cycle, high precision and low cost, but this method does not solve the problem of how to implant steel sheets in the pattern block. In practical applications, thinner steel s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D17/24B22D19/04
CPCB29D30/0606
Inventor 李玉明
Owner QINGDAO YUANTONG MACHINERY CO LTD
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