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Long-life Asymmetric Bearing Ring Cold Extrusion Die

A technology for bearing rings and forming molds, applied in metal extrusion molds and other directions, can solve the problems of shortened service life and middle mold deformation, and achieve the effects of extending service life, simplifying mold structure, and reducing use costs.

Active Publication Date: 2020-05-29
ZHEJIANG JINGLI BEARING TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the mold is used for a long time, it is easy to cause deformation of the middle mold, resulting in shortened service life

Method used

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  • Long-life Asymmetric Bearing Ring Cold Extrusion Die
  • Long-life Asymmetric Bearing Ring Cold Extrusion Die
  • Long-life Asymmetric Bearing Ring Cold Extrusion Die

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] Such as figure 1 As shown, a long-life asymmetrical bearing ring cold extrusion molding die includes an upper mold assembly 1 and a lower mold assembly 2, and the upper mold assembly 1 includes an upper template 3 and is fixed on the upper template 3 The punch 4, the lower mold assembly 2 includes a lower template 5 and a die 6 fixed on the lower template 5, a stress ring 7 is detachably sleeved outside the die 6, and the stress ring 7 It is detachably fixedly connected with the lower formwork 5.

[0027] The lower mold assembly 2 also includes a die base 8 sleeved outside the stress ring 7, and a die liner 9 located on the lower template 5, the die base 8 is closely matched with the stress ring 7, and the die base 8 is tightly fitted with the stress ring 7. The liner 9 is located below the mold base 8 so as to support the mold base 8 , and the mold base 8 is detachably connected to the lower template 5 through fasteners 10 . The lower template 5, the mold base 8, the...

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PUM

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Abstract

The invention provides a long-life asymmetrical bearing ring cold extrusion forming mold, and belongs to the technical field of cold extrusion. The long-life asymmetrical bearing ring cold extrusion forming mold comprises an upper mold module and a lower mold module; the upper mold module comprises an upper template and a punch fixed on the upper template; the lower mold module comprises a lower template and a concave mold fixed on the lower template; and a stress ring detachably sleeves the concave mold, and is detachably and fixedly connected with the lower template. The long-life asymmetrical bearing ring cold extrusion forming mold has the advantages of quick disassembly and replacement of the stress ring and a mold core, capability of recycling the stress ring, reduction of the mold use cost, prolonging of the mold service life and the like.

Description

technical field [0001] The invention belongs to the technical field of cold extrusion and relates to a die, in particular to a long-life asymmetrical bearing ring cold extrusion forming die. Background technique [0002] Cold extrusion is a processing method in which the metal blank is placed in the cold extrusion die cavity, and at room temperature, the punch fixed on the press is applied to the blank to cause plastic deformation of the metal blank to produce parts. At present, my country has been able to cold-extrude metals such as lead, tin, aluminum, copper, zinc and their alloys, low-carbon steel, medium-carbon steel, tool steel, low-alloy steel and stainless steel, and even to bearing steel, high-carbon high- Aluminum alloy tool steel, high-speed steel, etc. can also be cold-extruded with a certain amount of deformation. In terms of extrusion equipment, my country already has the ability to design and manufacture extrusion presses of various tonnages. In addition to u...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21C25/02
CPCB21C25/02
Inventor 吴仲胜蔡正力蔡盼蔡普林
Owner ZHEJIANG JINGLI BEARING TECH CO LTD