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A kind of tire mold and its manufacturing method

A technology of tire mold and manufacturing method, which is applied to tires, household appliances, and other household appliances. It can solve the problems of tread block surface damage, impact on tire appearance performance, and uneven tire pattern distribution, so as to prevent loosening, high mosaic efficiency, and The effect of improving production efficiency

Active Publication Date: 2018-02-16
HIMILE MECHANICAL SCI & TECH (SHANDONG) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will cause damage to the surface of the pattern block, and cause a large block of rubber on the surface of the vulcanized tire or uneven distribution of the tire pattern, which will affect the appearance and performance of the tire.

Method used

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  • A kind of tire mold and its manufacturing method
  • A kind of tire mold and its manufacturing method
  • A kind of tire mold and its manufacturing method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Such as figure 1 , figure 2 with image 3 Commonly shown, the present invention provides a tire mold, comprising a mold body 1, a plurality of steel sheets 2 are arranged on the mold body 1, and a plurality of mounting holes 201 penetrating through the steel sheets 2 are provided on the steel sheet 2, and the mounting holes 201 can be designed One row, and multiple rows can also be designed. Those skilled in the art can set it by themselves according to the needs, and there is no limitation here. A pin 3 is inserted in the mounting hole 201. The extension direction of the pin 3 is perpendicular to the surface of the steel sheet 2. The pin 3 is embedded Installed in the mold body 1.

[0037] Such as Figure 4 with Figure 5 As shown together, the shape of the pin 3 is a U-shaped structure, and the two nail legs 301 of the pin 3 are inserted into the installation hole 201. The two nail legs 301 can have the same thickness or different thicknesses, and can be of the s...

Embodiment 2

[0039] Such as Image 6 with Figure 7 Commonly shown, the present invention provides a tire mold, its structure is basically the same as that of Embodiment 1, the difference is that the shape of the pin 3 is a columnar structure, and the pin 3 is provided with a nail cap 303 for limiting the position of the pin 3, and the pin The shape of the cap 303 can be various shapes such as hemispherical, round cake shape, square, bar shape, triangle, etc., the cross-sectional area of ​​the nail cap 303 is greater than the cross-sectional area of ​​the mounting hole 201, and the nail cap 303 can be positioned at the end of the pin 3, or It can be located in the middle of the pin 3. Of course, from the analysis of the stress situation, when the nail cap 303 is set in the middle of the pin 3, the force on both sides of the pin 3 will be more uniform, the fixation will be more firm, and it will be less likely to be on the surface of the mold body 1. Looseness occurs.

[0040] The pin 3 a...

Embodiment 3

[0042] Such as Figure 1 to Figure 7Commonly shown, the invention provides a kind of manufacturing method of tire mold, comprises the following steps:

[0043] (1) process the base mold of mold body 1, insert steel sheet 2 on the steel sheet slot reserved on the base mold, and adjust the depth position of steel sheet 2 on the base mold simultaneously;

[0044] (2) Utilize the base mold to make a rubber mold, insert the steel sheet 2 with the installation hole 201 into the corresponding steel sheet groove on the rubber mold, and then reverse it into a plaster mold, the steel sheet with the installation hole 201 The base body 202 will expose the plaster mold;

[0045] (3) Insert the pin 3 into the mounting hole 201;

[0046] (4) The pin 3 is fixedly connected to the steel sheet 2;

[0047] (5) cast the tire mold with the gypsum mold inlaid with the steel sheet 2, remove the gypsum after casting, and the steel sheet matrix 202 is embedded in the inside of the mold body 1;

[...

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Abstract

The invention discloses a tire mold, and belongs to the technical fields of molds. The tire mold comprises a mold body, wherein multiple steel sheets are arranged on the mold body, and are provided with multiple mounting holes penetrating through the steel sheets; pins are inserted in the mounting holes; the extension direction of the pins is perpendicular to the surfaces of the steel sheets; and the pins are embedded in the mold body. The invention further discloses a manufacturing method of the tire mold, which enables the steel sheets and the mold body are firmly combined together and are not easy to separate, prolongs the service life of the tire mold, and is widely applied to the manufacturing of the tire mold.

Description

technical field [0001] The invention relates to the technical field of molds, in particular to a tire mold and a manufacturing method thereof. Background technique [0002] The tire tread includes many grooves of different widths extending along the tire axis and one side thereof. These grooves can have a very large impact on the performance of the tire, especially in the braking performance of the tire and its ability to grip on slippery road surfaces. The narrower pattern groove on the tire tread is realized by the steel sheet provided on the pattern block where the tire mold contacts the tire. The shape, size and other characteristics of this steel sheet can have a significant impact on the grip performance and drainage performance of the tire. [0003] The existing steel sheet is inlaid on the surface of the cast aluminum mold, and the reinforcement method often adopts the method of punching holes from the oblique side of the steel sheet to the above-mentioned steel sh...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B29C33/42B29C33/38B29L30/00
Inventor 杜平潘林杰刘鹏鞠佳君
Owner HIMILE MECHANICAL SCI & TECH (SHANDONG) CO LTD
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