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Controlled cooling equipment for manufacturing expansion-breaking connecting rods by using non-quenched and tempered steel

A technology of expanding connecting rods and non-quenched and tempered steel, applied in heat treatment equipment, manufacturing tools, furnaces, etc., can solve the problems of good cooling control effect, low cost, simple process, etc., and achieve strong cooling control process and high safety The effect of the degree of protection

Active Publication Date: 2014-02-05
红木枋家居科技(湖州)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no controlled cooling equipment that uses non-quenched and tempered steel to make expansion-broken connecting rods with simple process, good cooling effect and low cost.

Method used

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  • Controlled cooling equipment for manufacturing expansion-breaking connecting rods by using non-quenched and tempered steel
  • Controlled cooling equipment for manufacturing expansion-breaking connecting rods by using non-quenched and tempered steel
  • Controlled cooling equipment for manufacturing expansion-breaking connecting rods by using non-quenched and tempered steel

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Effect test

Embodiment

[0023] Embodiment: a kind of controlled cooling equipment that uses non-quenched and tempered steel to make the expansion-broken connecting rod, such as Figure 1~3 Shown, comprise frame 6, be provided with first blower fan 1, the second blower blower 2, the 3rd blower blower 3, the 4th blower blower 4 and the 5th blower blower 5 that are arranged in a line in the stand 6; Also be provided with an endless conveying chain 7, described endless conveying chain 7 is positioned at the air outlet 8 of the first blower fan 1, the second blower fan 2, the third blower blower 3, the fourth blower blower 4 and the fifth blower blower 5 Below; at the blower outlets of the second blower fan 2, the third blower blower 3, the fourth blower blower 4 and the fifth blower blower 5, an isolation cover 9 is arranged; There are steel bars 10, and the steel bars 10 are fixed on both sides of the endless conveyor chain 7, and the isolation cover 9 is fixed on the steel bars 10; the first fan 1, the...

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Abstract

The invention discloses controlled cooling equipment for manufacturing expansion-breaking connecting rods by using non-quenched and tempered steel. An annular conveying chain for conveying the expansion-breaking connecting rods as well as a first blower, a second blower, a third blower, a fourth blower and a fifth blower which are arranged in a straight-line manner along the conveying direction of the conveying chain are arranged in a rack, wherein the opening of each blower is positioned right above the annular conveying chain and is formed by directly facing the surface of the annular conveying chain; isolation hoods are arranged at the openings of the second blower, the third blower, the fourth blower and the fifth blower in a matching manner. The connecting rods are manufactured by the non-quenched and tempered steel, so that the connecting rods do not need to be hardened and tempered, namely, the process is simplified. The connecting rods are subjected to controlled cooling sequentially through the five blowers so as to obtain homogeneous metallographic structures; the whole process is maintained in a certain temperature and time range so as to eliminate the internal stress caused by the rapid cooling; the connecting rods sequentially enter and exit from the controlled cooling equipment, namely, each of the connecting rods passes through the controlled cooling equipment in order. Thus, the consistency of various requirements of the connecting rods is ensured.

Description

technical field [0001] The invention relates to connecting rod processing equipment, in particular to a controlled cooling device for making a broken connecting rod with non-quenched and tempered steel. Background technique [0002] The current manufacturing technology for separating the connecting rod cover is to use mechanical methods or laser beams to create pre-cracks, and then use special equipment to expand the way to make it break at the pre-cracks, so that the large-end connecting rod cover is removed from the connecting rod body. separated by a direct break. The beneficial effect of this is that a large number of machining operations are eliminated. Compared with general-purpose machining connecting rods, it can save 25% of investment and 35% of processing costs; There are strict requirements on the metallographic structure of the forged connecting rod. The metallographic structure of the connecting rod should be ferrite plus pearlite and dispersed carbide. The fer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D9/00
Inventor 朱宇鹍朱文吴建鑫吴建韶
Owner 红木枋家居科技(湖州)有限公司
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