Necking device for automobile three-way catalyst carrier pipe

A three-way catalytic converter and a carrier tube technology, applied in the field of three-way catalytic converter processing, can solve the problems of low production efficiency, high processing difficulty, large equipment volume, etc., and achieve the effects of high production efficiency, small processing difficulty and simple equipment

Inactive Publication Date: 2021-04-13
江苏首华智能装备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing three-way catalytic converter has a relatively complex shell diameter reduction proc

Method used

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  • Necking device for automobile three-way catalyst carrier pipe
  • Necking device for automobile three-way catalyst carrier pipe
  • Necking device for automobile three-way catalyst carrier pipe

Examples

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Embodiment Construction

[0028] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.

[0029] For the convenience of description, spatially relative terms may be used here, such as "on ...", "over ...", "on the surface of ...", "above", etc., to describe the The spatial positional relationship between one device or feature shown and other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, devices described as "above" or "above" other devices or configurations would then be oriented "beneath" or "above" the other devices or conf...

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PUM

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Abstract

The invention provides a necking device for an automobile three-way catalyst carrier pipe. The necking device comprises a rotary disc, two bottom plates, a plurality of mold petals and a plurality of mold structures, the bottom plates are arranged in parallel at intervals, the rotary disc, the mold petals and the mold structures are located between the two bottom plates, a plurality of rails are arranged on the bottom plates in an annular array mode, the straight lines where the rails are located pass through the center of the annular array, a through-hole-shaped second center hole is formed in the rotary disc, a plurality of through-hole-shaped banana grooves are formed in the rotary disc in an annular array mode, the number of the mold petals, the number of the banana grooves and the number of the rails on each bottom plate are the same, each mold petal is of a rectangular frame structure, a set of opposite edges of each mold petal are respectively arranged on the rails of the two bottom plates in a sliding mode, the other set of opposite edges of each mold petal respectively penetrate through the banana grooves and are positioned in the second central hole, and when the rotary disc is rotated, the rotary disc drives the mold petals to move along the rails. The necking device is simple in equipment, small in installation size, simple in necking process, small in machining difficulty and high in production efficiency.

Description

technical field [0001] The invention relates to the technical field of three-way catalytic converter processing, in particular to a necking device for a carrier tube of an automobile three-way catalytic converter. Background technique [0002] The three-way catalytic converter is the most important external purification device installed in the automobile exhaust system. It can convert harmful gases such as CO, HC and NOx emitted from automobile exhaust into harmless carbon dioxide, water and nitrogen through oxidation and reduction. . The three-way catalytic converter is composed of a shell, a carrier and a liner. The shell is the carrier tube. When the three-way catalytic converter is processed, the carrier and the liner are installed inside the shell, and then the end of the shell is necked. The existing three-way catalytic converter has a relatively complex shell diameter reduction process and equipment, high processing difficulty, large equipment volume, and low product...

Claims

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Application Information

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IPC IPC(8): B21D41/04
CPCB21D41/04B30B7/04
Inventor 侯点友朱志峰龚绍均盛云鹏王明旺
Owner 江苏首华智能装备有限公司
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