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Die special for single-column flatting mill

A flattening machine and single-column technology, which is applied in the field of special molds for single-column flattening machines, can solve problems such as inconsistency in the flattening height of aluminum tubes, and achieve high flatness, convenient use, and good height consistency

Inactive Publication Date: 2015-09-16
HEFEI GREAT WALL REFRIGERATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides a special mold for a single-column flattening machine, which solves the problem of inconsistency in the flattening height of aluminum tubes by optimally designing and combining the lower template, the upper template, the small square plate and the cross force balance frame

Method used

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  • Die special for single-column flatting mill

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Embodiment Construction

[0014] See the accompanying drawings: a special mold for a single-column flattening machine, including a lower formwork 1, an upper formwork 6, a small square plate 7 and a cross force equalization frame 8, and the four corners of the lower formwork 1 are equipped with bolts to fix guide rods 2, The guide rod 2 is covered with a spring 3, and the four corners of the upper template 6 are provided with through holes 5, and the through hole 5 is embedded with a collar 4 with balls. The inner diameter of the collar 4 is the diameter of the guide rod 2 plus 0.2mm. The square plate 7 is fixed on the upper formwork 6 by bolts, and the cross force balance frame 8 is connected with the small square plate 7 and the upper formwork 6 as a whole by bolts. Preferably, the lower template 1 is a solid steel plate with a thickness of not less than 40mm, made of Cr12 alloy steel, with a Rockwell hardness of not less than 45HRC, the surface finish opposite to the upper template 6 meets the nation...

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Abstract

The invention discloses a die special for a single-column flatting mill. The die comprises a lower die plate, an upper die plate, a small square plate and a cross stress balance frame. Bolt fixing guide rods are arranged at the four corners of the lower die plate and sleeved with springs, through holes are formed in the four corners of the upper die plate, sleeve rings provided with rolling balls are embedded in the through holes, the inner diameter of the sleeve rings equals the diameter of the guide rods plus 0.2mm, the small square plate is fixed to the upper face of the upper die plate through bolts, and the cross stress balance frame is integrally connected with the small square plate and the upper die plate through the bolts. The die special for the single-column flatting mill is convenient to use, high in flatness, good in height consistency of flatted products, long in service life, and suitable for being used when the single-column flatting mill carries out continuous flatting machining.

Description

technical field [0001] The invention relates to the field of flattening molds, in particular to a special mold for a single-column flattening machine. Background technique [0002] The types of evaporators used in refrigerators can be divided into: silk tube evaporators, plate tube evaporators, finned evaporators, folding evaporators and blown evaporators. Among them, the wire tube evaporator and the plate tube evaporator are widely used in refrigerators because of their relatively mature production technology and stable product performance due to their early use and development. During the manufacturing process of the plate tube evaporator, the bent aluminum tube needs to be flattened, and then vulcanized with the aluminum plate with a hot-melt film on the surface. When the above-mentioned flattening process is carried out on the aluminum tube, a flattening machine is required. The flattening machine is divided into a single-column flattening machine and a multi-column fl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/12
CPCB21D37/10B21D37/01B21D37/12
Inventor 马功权
Owner HEFEI GREAT WALL REFRIGERATION TECH
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