Manufacturing method of specially shaped taper pipe, and pipe-shrinkage machine and moulding mold therefor

A technology for forming molds and manufacturing methods, applied in the directions of forming tools, manufacturing tools, wire drawing dies, etc., can solve the problems of high manufacturing cost, affecting the stress performance and appearance of products, and concave, and achieve low manufacturing cost and good appearance. , to avoid the concave effect

Active Publication Date: 2012-05-09
ZHONGSHAN YUMIN DAILY PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the existing processing methods in the industry are useful sheet rolling. The method of rolling the sheet into a conical shape and then flattening requires welding, and the manufacturing cost is high; when flattening, it is easy to appear dents, which seriously affects the mechanical performance and appearance of the product.

Method used

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  • Manufacturing method of specially shaped taper pipe, and pipe-shrinkage machine and moulding mold therefor
  • Manufacturing method of specially shaped taper pipe, and pipe-shrinkage machine and moulding mold therefor
  • Manufacturing method of specially shaped taper pipe, and pipe-shrinkage machine and moulding mold therefor

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Embodiment Construction

[0036] The present invention is described in detail below in conjunction with accompanying drawing;

[0037] A tube shrinking machine, comprising a main shaft 10, the main shaft 10 is provided with an outer mold cavity 1001, the outer mold cavity 1001 is provided with a mold core assembly 1, and the mold core assembly 1 is provided with a conical mold Cavity 101, the core assembly 101 includes a plurality of core blocks 102 that are provided with tapered arc grooves on the inner side and can slide radially in the outer cavity 1001. The conical cavity 101 is defined by the tapered arc grooves Assembled, the main shaft 10 is covered with a roller seat 20, and a plurality of rollers 2001 are annularly distributed between the roller seat 20 and the main shaft 10, and the main shaft 10 is provided with The radial strip hole 1002 extending axially along the main shaft 10, the radial strip hole 1002 is provided with a strip-shaped top block 1003, and the top block 1003 pushes against...

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Abstract

The invention discloses a pipe-shrinkage machine, the technical scheme has the main point that: the machine comprises a main shaft in which an outer mold cavity is arranged, a mold core component is arranged in the outer mold cavity, a tapered mold cavity is arranged in the mold core component, the mold core component comprises a plurality of mold core blocks that are provided with tapered circular grooves at the inner sides and can slide in the outer mold cavity in the radial direction, the tapered mold cavity is combined by the tapered circular grooves, a roller seat is sleeved outside the main shaft, a plurality of rollers are disposed between the roller seat and the main shaft annularly, a radial strip-shaped hole extending axially along the main shaft is arranged on the main shaft, an elongated top block is arranged in the radial strip-shaped hole, the top block is butted between the rollers and back sides of the mold core blocks, and the outer end of the top block can extend between two adjacent rollers so as to loosen the mold core blocks. The invention also discloses a manufacturing method and a moulding mold of a specially shaped taper pipe.

Description

【Technical field】 [0001] The invention relates to a tapered pipe manufacturing method, and also relates to a pipe shrinking machine and a forming mold specially used in the tapered pipe forming method. 【Background technique】 [0002] Baby carriages, sports equipment and other industries are booming. These industries need a large number of flattened conical pipes or other special-shaped pipes. Round pipe processing is the lowest cost processing method for making such pipes. At present, the existing processing methods in the industry use plate rolls. The method of rolling the plates into a conical shape and then flattening requires welding, and the manufacturing cost is high; when flattened, it is easy to have dents, which seriously affects the mechanical performance and appearance of the product. [Content of the invention] [0003] The purpose of the present invention is to overcome the deficiencies in the prior art, to provide a method of rotating and automatically feeding...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21C1/22B21C3/12B21C37/18B21D37/10
Inventor 罗世春
Owner ZHONGSHAN YUMIN DAILY PROD
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