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Bar stock shear warm cutting system for forging automobile engine connecting rod

A technology for automobile engines and engine connecting rods, applied in metal processing and other directions, can solve problems such as material cracks, reduce equipment wear, reduce equipment maintenance costs, and ensure safety.

Inactive Publication Date: 2021-01-01
BAICHENG ZHONGYI PRECISION FORGING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above problems, the purpose of the present invention is to provide a bar shear temperature shear system for forging automobile engine connecting rods, which is used to solve the phenomenon of material cracking and slipping and improve the life of the shearing equipment and reduce equipment maintenance costs to overcome the above existing lack of technology

Method used

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  • Bar stock shear warm cutting system for forging automobile engine connecting rod
  • Bar stock shear warm cutting system for forging automobile engine connecting rod
  • Bar stock shear warm cutting system for forging automobile engine connecting rod

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Figure 1-3 A schematic diagram of the overall structure according to an embodiment of the present invention is shown.

[0024] Such as Figure 1-3 As shown, the automobile engine connecting rod bar stock high-speed heating pass-through temperature control system provided by the embodiment of the present invention includes: a bar stock shearing mechanism for shearing the engine connecting rod bar stock, and a bar stock shear mechanism is provided near the bar stock shear mechanism. High-speed heating device 1 for heating engine connecting rod bar material, cooling device 2 for cooling high-speed heating device 1, and electric control box 3 for controlling high-speed heating device and cooling device;

[0025] Wherein, the high-speed heating device 1 is a high-speed heating through-type temperature control equipment, and the high-speed heating through-type temperature control equipment is arranged on the channel in front of the bar shears of the bar shear mechanism, and...

Embodiment 2

[0029] After the heater 103 of the high-speed heating device 1 carries out high-temperature heat treatment to the engine connecting rod bar, the bar tensile strength test is as follows:

[0030] Such as Figure 4 As can be seen, the tensile strength of materials with different carbon contents decreases significantly at 100°C, and begins to rise at around 300°C and begins to drop sharply at 400°C.

[0031] Such as Figure 5 As shown, the elongation of materials with different carbon contents decreased significantly at 100°C, and began to increase at 500°C. Therefore, it is advisable to control the temperature range at 100-500°C.

[0032] Comparison table of cutting temperature of different materials

[0033] serial number material diameter Material grade carbon content type Shear temperature (℃) 1 Φ42±0.4 36MnVS4 0.36 Low-alloy steel 150-180 2 Ф40±0.4 36MnVS4 0.36 Low-alloy steel 150-180 3 Φ36±0.4 36MnVS4 0.36 Low-alloy ...

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Abstract

The invention relates to a bar stock shear warm cutting system for forging an automobile engine connecting rod. The system comprises a bar stock shear mechanism for shearing an engine connecting rod bar stock, a high-speed heating device arranged near the bar stock shear mechanism for heating the engine connecting rod bar stock, a cooling device for cooling the high-speed heating device, and an electric cabinet used for controlling the high-speed heating device and the cooling device; the high-speed heating device is high-speed heating pass-type temperature control equipment, and the high-speed heating pass-type temperature control equipment is arranged on a channel in front of a bar stock shear of the bar stock shear mechanism; and the cooling device comprises a circulating pipeline, a plate heat exchanger, a water tank, a stainless steel water pump, a Y-shaped filter, an electric control valve, a water adding one-way electromagnetic valve and a liquid level controller. The system hasthe advantages that the shearing resistance of the heated engine connecting rod bar stock is reduced, a high-quality shearing section can be obtained after the bar stock is sheared by the bar stock shear, residual stress is eliminated, and cracks of the shearing section are avoided.

Description

technical field [0001] The invention relates to the technical field of engine connecting rods, in particular to a bar shear temperature shearing system for forging automobile engine connecting rods. Background technique [0002] At present, China's automobile industry has occupied an important position in the development of the entire national economy. China is already a major country in automobile production and consumption. With the rapid growth of China's economy, the demand for automobiles from industrial investment and residents' consumption will continue to rise_Reform and opening up After all, automobiles are changing the lives of Chinese people. Automobiles have entered the households of ordinary residents. Automobile companies continue to launch models aimed at residents' consumption, which has effectively promoted the growth of residents' automobile consumption demand. The number of private cars continues to increase rapidly, making automobiles The connection with ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P25/00
CPCB23P25/003
Inventor 聂国清陈亮徐有林徐占宏郑铁军郭权张丽
Owner BAICHENG ZHONGYI PRECISION FORGING
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