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Strong malleableizing technique for tire mold and equipment

A technology for tire molds and processing equipment, which is applied in heat treatment equipment, heat treatment furnaces, manufacturing tools, etc. It can solve the problems of restricting the working performance and service life of tire molds, poor comprehensive mechanical properties of tire molds, and reducing equipment utilization. Effects of fuel consumption, reduction of tissue stress and thermal stress, and improvement of production efficiency

Inactive Publication Date: 2008-02-13
GREATOO INTELLIGENT EQUIP INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Usually, the pre-heat treatment of the tire mold adopts a complete annealing process. Although this complete annealing achieves the purpose of eliminating internal stress and reducing hardness, the overall mechanical properties of the tire mold are poor, and the energy consumption is high and the productivity is low. These factors are bound to restrict The improvement of the working performance and service life of tire molds will increase production costs and reduce equipment utilization. Therefore, it is necessary to develop new tire mold pre-heat treatment equipment and processes to improve the overall mechanical properties of tire molds, save energy and improve production efficiency.

Method used

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  • Strong malleableizing technique for tire mold and equipment
  • Strong malleableizing technique for tire mold and equipment
  • Strong malleableizing technique for tire mold and equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] Embodiment 1, tire mold strengthening and toughening treatment equipment.

[0026] Referring to Figure 1 and Figure 2, the tire mold strengthening and toughening treatment equipment is composed of a furnace body, a heating device, a cooling device and a temperature control device. The furnace body mainly includes a furnace shell 1, a furnace lining 2, a refractory brick layer 3, a cover plate 4, The sand sealing ring 5 and the furnace cover 7, the heating device is composed of a fuel burner 15 and a guide brick cylinder 14 that guides the combustion hot gas into the furnace, and the combustion gas outlet of the fuel burner passes through the installation plate 16 and its connecting piece 13 and the guide brick cylinder The outer end of the guide brick tube is connected to the inner end of the brick tube and the furnace; the cooling device is composed of a blower 18, an air guide pipe 22 and an air outlet pipe 23, and the air guide pipe starts from the air outlet of the b...

Embodiment 2

[0028] Embodiment 2, tire mold strengthening and toughening treatment process.

[0029] The tire mold toughening treatment process is carried out in the equipment described in embodiment 1, and its process includes:

[0030] A, the tire mold blank is packed into the equipment described in embodiment 1, the furnace cover is covered, the fuel burner is opened, and the high temperature hot gas produced by the fuel burner heats the tire mold blank;

[0031] B. When the temperature in the furnace rises to 500°C, control the fuel burner through the temperature control device to keep the temperature in the furnace at 500±10°C, and carry out heat preservation treatment for 30-40 minutes;

[0032] C, continue to heat up;

[0033] D. When the temperature in the furnace rises to 760°C, the temperature in the furnace is also kept at 760±10°C through the temperature control device, and the heat preservation treatment is carried out for 90-120 minutes;

[0034] E. Open the furnace cover, ...

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Abstract

This invention relates to the processing craft of tire mould tenability, and the related device. It consists of these steps: charging roughcast of tire mould to stove, and then heating; when the temperature reaches 500 minus or plus 10 Deg. C, keep it for 30 - 40 minutes; then ascend it to 760 minus or plus 10 Deg. C, and keep it for 90 - 120minutes, open the stove, and cool it by flawing air; when the temperature descend to 200 Deg. C, cool it to room temperature by itself naturally. The device consists of stove, heater, cooler, and temp control apparatus. The heater consists of oil burning unit and the rotor silo which sends heat air into stove. The direction rotor silo is a complete construction, and it enters into the stove at the tangential direction inner surface of the stove. The cooler consists of fan, pipes of leading and outing air. It has character of quick rate of ascending temperature and equality heating, energy economical, high production efficiency, and it applied to tire mould or other rubber and plastic mould preheating process.

Description

Technical field: [0001] The invention relates to a tire mold strengthening and toughening treatment process and special equipment. Background technique: [0002] Tire molds have achieved rapid development in the past 10 years. Since the successful development of the first batch of radial tire flexible molds in the 1980s, my country's tire mold manufacturing technology has become increasingly mature. In the 21st century, with the rapid rise of my country's automobile manufacturing industry, the tire mold manufacturing industry is facing unprecedented opportunities for development. [0003] Improving the working performance and service life of tire molds and providing better and more economical tire molds for the tire industry is the goal that the tire mold manufacturing industry has been pursuing. [0004] The material selection of tire mold and its heat treatment and surface strengthening treatment are the main factors affecting the performance and life of the tire mold. T...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21D9/00C21D1/26
Inventor 郑向新吴旭炎
Owner GREATOO INTELLIGENT EQUIP INC
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