Aluminum alloy pattern block low-pressure casting equipment and low-pressure casting and gravity feeding compound process

A pattern block and aluminum alloy technology, which is applied in the composite process of gravity feeding and low-pressure casting, can solve the problems of secondary pollution of aluminum liquid, achieve good production conditions, increase the rate of qualified products, and improve the working environment.

Active Publication Date: 2010-10-20
合肥大道模具有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] In order to overcome the defects of the prior art, the purpose of the present invention is to provide a low-pressure pouring, gravity feeding composite process and related equipment, which can solve the problem of secondary pollution of aluminum liquid in the casting process of aluminum alloy pattern blocks, and can realize Multiple pieces of aluminum alloy pattern block castings are poured at the same time, which is beneficial to improve the production efficiency of casting

Method used

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  • Aluminum alloy pattern block low-pressure casting equipment and low-pressure casting and gravity feeding compound process
  • Aluminum alloy pattern block low-pressure casting equipment and low-pressure casting and gravity feeding compound process
  • Aluminum alloy pattern block low-pressure casting equipment and low-pressure casting and gravity feeding compound process

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Embodiment

[0037] Example: Combine Figure 1-3 , the low-pressure pouring equipment for aluminum alloy pattern blocks of the present invention includes a crucible 2 and a riser 3 arranged in the furnace body 1, and a disc-type runner substrate 4 (processed from HT200 cast iron) is arranged on the crucible. A central hole is opened, and the lower end of the riser 3 passes through the central hole of the sprue base plate and extends into the crucible 2; the sprue base plate 4 is processed with a sealing groove 5 along the top, and when it is in contact with the sprue cover plate 6 after filling asbestos strips It plays the role of sealing the cavity of the main runner.

[0038] figure 1 As shown, the sprue base plate is sealed and covered with a sprue cover plate 6, and four molds 8 with gypsum cores 7 are symmetrically installed on the sprue cover plate 6, and the upper end of each mold is provided with a riser 9. Inner runners 10 are provided at the lower end, and vertical holes, that ...

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Abstract

The invention discloses aluminum alloy pattern block low-pressure casting equipment. A disk-type runner substrate is arranged on a crucible, and the lower end of a riser tube passes through the center hole of the runner substrate and then stretches into the crucible; a runner cover board is hermetically covered on the runner substrate, a plurality of casting moulds are distributed on the runner cover board, a feed head is arranged at the upper end of each casting mould, and an inner runner is arranged at the lower end of each casting mould; and a main runner is laid in a hollow cavity between the runner substrate and the runner cover board, a plurality of runner channels are distributed on the main runner, and the runner channels are respectively communicated with the inner runners of the casting moulds and the upper port of the riser tube. The invention can solve the secondary pollution problem of aluminum liquid in the partitioning and casting process of aluminum alloy pattern blocks and achieve simultaneously casting a plurality of aluminum alloy pattern block castings, and is beneficial to improving the casting production efficiency.

Description

Technical field: [0001] The invention relates to low-pressure pouring equipment for aluminum alloy pattern blocks of tire molds, and a composite process of low-pressure pouring and gravity feeding for aluminum alloy pattern blocks using the equipment. Background technique: [0002] The aluminum alloy pattern block is an important part of the tire mold used for vulcanization molding of the tire pattern. The processing method of this part is currently generally used at home and abroad. There are the following three processes: [0003] 1. Carving process: suitable for truck tire moulds. [0004] 2. Electrocorrosion process: suitable for truck tire and passenger tire molds. [0005] 3. Aluminum alloy casting process: suitable for high-end passenger tire molds. [0006] Due to the requirements of safety, comfort and aesthetics, the pattern design of passenger tires is more complicated than that of truck tires, and the shape accuracy and dimensional accuracy of the pattern are r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B22D18/04B22D27/04
Inventor 金兆铮董敏王金洋
Owner 合肥大道模具有限责任公司
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