Circular external mold
A circular and outer layer technology, applied in the direction of metal extrusion dies, etc., can solve problems such as inconcentricity of inner and outer dies, deviation of copper tube wall thickness, and instability of square dies, etc., to achieve uniform wall thickness, easy disassembly and assembly, and reduce labor The effect of intensity
Inactive Publication Date: 2014-01-22
济南东方结晶器有限公司
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Problems solved by technology
Furthermore, the placement of the square mold is unstable, which can easily cause the inner and outer molds to be inconsistent, resulting in deviations in the wall thickness of the copper tube. At the same time, the material or heat treatment effect may cause the outer mold to be stretched and eventually lead to scrap
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[0015] Attached below figure 1 to attach figure 2 The present invention is described further:
[0016] A circular outer mold, comprising an outer mold body 2, the outer mold body 2 is circular and has a double-layer structure, and the outer mold body 2 includes an outer layer outer mold body 4 and an inner layer outer mold body 5. The inner layer outer mold body 5 is arranged on the inner side of the outer layer outer mold body 4, the outer layer outer mold body 4 is made of No. 45 steel material, and the inner layer outer mold body 5 is hard chromium plating, The thickness of the inner layer outer mold body 5 is 0.04mm-0.06mm, the upper section 6, the middle section 7 and the lower section 9 of the inner layer outer mold body 5 are respectively tapered, and the inner outer mold body The upper opening of the upper section 6 and the middle section 7 of 5 is large, and the lower opening is small. The angle between the upper section 6 of the inner layer outer mold body 5 and t...
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Abstract
The invention relates to a crystallizer copper tube external mold, in particular to a circular external mold which comprises a circular external mold body. The circular external mold body comprises an outer external mold body and an inner external mold body, the outer external mold body is made of No. 45 steel, the inner external mold body is a hard chromium coating, the thickness of the inner external mold body ranges from 0.04mm to 0.06mm, the upper section, the middle section and the lower section of the inner external mold body are respectively tapered, upper openings of the upper section and the middle section are large, lower openings of the upper section and the middle section are small, the included angle between the upper section and a vertical surface ranges from 10 degrees to 40 degrees, the included angle between the middle section and the vertical surface ranges from 5 degrees to 30 degrees, an upper opening of the lower section is small, a lower opening of the lower section is large, the lower section of the outer surface of the external mold body is inverted tapered, the included angle between the lower section of the outer surface and the vertical surface ranges from 10 degrees to 15 degrees, a mold sleeve is sleeved on the outer side of the external mold body, and a lifting hole is formed in the external mold body. The crystallizer copper tube external mold is reasonable in design and easy to disassemble and assemble, concentricity of an internal mold and the external mold is easily ensured, working efficiency can be improved, and cost is saved for company production.
Description
technical field [0001] The invention relates to an outer mold of a crystallizer copper tube, in particular to a circular outer mold. Background technique [0002] The application of internal and external mold processing to produce crystallizer copper tubes is the basic mode of mold copper tube production industry. The inner mold is a solid core rod, which generally will not deform after heat treatment; while the outer mold needs to bear the strong stamping force of the inner mold and the extrusion, and the square outer mold is often due to the strong stamping force of the inner mold and the extrusion. And deformation. Therefore it is necessary to increase the strength of the outer mold and the thickness of the outer mold, so that the material and weight of the outer mold must be high. Furthermore, the placement of the square mold is unstable, and it is easy to cause the inner and outer molds to be out of concentricity, resulting in a deviation in the wall thickness of the...
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IPC IPC(8): B22D11/04B21C25/02
Inventor 滕培河
Owner 济南东方结晶器有限公司