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Reducing mold

A technology of mold and diameter reduction, applied in the direction of forming tools, manufacturing tools, metal processing equipment, etc., can solve the problems of reducing efficiency, pipe wrinkles, increasing processes, etc.

Inactive Publication Date: 2016-01-13
CHENGDU LYUDI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0003] In the process of reducing the diameter of the pipe, the existing diameter reducing mold will cause obvious wrinkles in the concave part of the pipe, and it needs to be polished or shaped in the later stage of processing, which increases the process and reduces the efficiency. Some reducing dies are easy to cause the rupture of the pipe when reducing the diameter

Method used

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  • Reducing mold

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Embodiment Construction

[0011] Such as figure 1 As shown, a reduced-diameter mold of this embodiment includes: an outer mold 1 and an inner mold 2, the outer mold 1 is sleeved outside the inner mold 2, the inner mold 2 includes a plurality of dies 201, and a plurality of dies 201 A cavity 202 for accommodating the mold is formed, and a plurality of dies 201 are provided with at least one groove 203 distributed along its outer surface, and stoppers are arranged at both ends of the groove 203, and rolling steel balls are arranged in the groove 203 204 , the rolling steel ball 204 abuts against the inner surface of the outer mold 1 .

[0012] Wherein, the diameter of the outer mold 1 is also adjustable, and remains corresponding to the inner mold 2 .

[0013] By setting the groove 203 on the outer surface of the inner mold 2, the rolling steel ball 204 can be restricted to move in the groove 203. Through the movement of the rolling steel ball 204, the pressure applied by the outer mold 1 to the inner m...

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Abstract

The invention discloses a reducing mold which comprises an outer mold and an inner mold. The inner mold is sleeved with the outer mold. The inner mold comprises a plurality of pressing molds. A containing cavity for containing the mold is formed in the pressing molds. The reducing mold is characterized in that the pressing molds are provided with at least one groove distributed along the outer surfaces of the pressing molds, limiting components are arranged at the two ends of the groove, and rolling steel balls are arranged in the groove and abut against the inner surface of the outer mold. According to the technical scheme, pressure exerted by the outer mold can be evenly transferred to the inner mold through the rolling steel balls, no crease is produced on a machined pipe, and the performance of the pipe is kept free of cracking.

Description

technical field [0001] The invention relates to equipment for mechanically manufacturing a diameter-reducing mold, in particular to a diameter-reducing mold. Background technique [0002] Known molding type reducing machine is to have retainer and the hydraulic cylinder in retainer, reducing die to form in series. The shrinking mold usually consists of two solid mechanical sheets to form a holding space, put the pipe that needs to be reduced in diameter, and reduce the diameter of the pipe through the drive of the hydraulic cylinder. [0003] In the process of reducing the diameter of the pipe, the existing diameter reducing mold will cause obvious wrinkles in the concave part of the pipe, and it needs to be polished or shaped in the later stage of processing, which increases the process and reduces the efficiency. Some reducing dies are easy to cause the rupture of the pipe when reducing the diameter. Contents of the invention [0004] In view of the above-mentioned def...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21D37/10
Inventor 梁枫
Owner CHENGDU LYUDI TECH
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