Plate rolling device and method based on magnetic pulse impact modification

A technology of impact modification and impact device, which is applied in the direction of metal rolling, metal rolling, tool manufacturing, etc., can solve the problems of uneven work hardening, easy cracks in plates, and coarse grains, etc., and achieve low production cost and high production efficiency The effect of long period and fine grain

Active Publication Date: 2020-08-25
INNER MONGOLIA UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a plate rolling device and method based on magnetic pulse impact modification in order to solve the problems of easy cracks, relatively coarse grains, uneven work hardening and poor plasticity in existing rolling.

Method used

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  • Plate rolling device and method based on magnetic pulse impact modification
  • Plate rolling device and method based on magnetic pulse impact modification
  • Plate rolling device and method based on magnetic pulse impact modification

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specific Embodiment approach 1

[0037] Embodiment 1. A plate rolling device based on magnetic pulse impact modification in this embodiment includes an impact die, a magnetic pulse impact unit, and a heating device 11;

[0038] The impact mold includes an upper mold 1, a lower mold 2 and a guide device 3;

[0039] The upper mold 1 and the lower mold 2 are arranged correspondingly up and down, and a guide device 3 is connected between the upper mold 1 and the lower mold 2, and the upper mold 1 can move relative to the lower mold 2 through the guide device 3;

[0040] The magnetic pulse impact unit comprises at least one impact driver 4 and an impact plate 5;

[0041] At least one impact driving device 4 is arranged in the upper mold 1, and the impact driving device 4 can impact or reset in the direction of the lower mold 2 relative to the upper mold 1;

[0042] The bottoms of all the impact drivers 4 are fixed to the top surface of the impact plate 5, so that the bottom surface of the impact plate 5 can be dr...

specific Embodiment approach 2

[0096] Specific embodiment two, the rolling method of the plate rolling device based on the magnetic pulse impact modification of the present embodiment, the method is specifically as follows:

[0097] Step 1. Move the upper mold upward, and place the plate to be impacted on the lower mold;

[0098] Step 2. Turn on the magnetic pulse power supply to energize the plate coil, and the plate coil generates electromagnetic force to act on the metal drive plate, so that the metal drive plate drives the impact device connector to move downward, and then the impact plate impacts the plate to be impacted;

[0099] Step 3: Carry out heat treatment on the impacted plate through the heating device. After the heat treatment is completed, the rolling is completed.

[0100] The best embodiment, this embodiment is a further description of Embodiment 2. In this embodiment, step 1 also includes heating the plate to be impacted by the heating device, and detecting the temperature of the plate to...

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Abstract

The invention discloses a plate rolling device and method based on magnetic pulse impact modification, and relates to the rolling device and method for impact modification of a plate by using magneticpulse. The device and the method aim to solve the problems that cracks, relatively coarse grains, uneven work hardening and poor plasticity are prone to generating in an existing rolling plate. The plate rolling device comprises an impact die, a magnetic pulse impact unit and heating devices; the impact die comprises an upper mold, a lower mold and a guide device; the upper mold and the lower mold are correspondingly arranged up and down, and the guide device is connected between the upper mold and the lower mold; the magnetic pulse impact unit comprises at least one impact drive device and one impact plate; at least one impact drive device is arranged in the upper mold, and the impact drive device can impact or reset relative to the upper mold in the lower mold direction; the bottoms ofthe impact drive devices are fixed to the top surface of an impact plate; and the heating devices are distributed in the lower mold.

Description

technical field [0001] The invention relates to a rolling device and method, in particular to a rolling device and method for performing impact modification on a plate by using a magnetic pulse. Background technique [0002] The current rolling process is to prepare plates by hot and warm rolling ingots on rolling mills, sometimes also by cold rolling at the end. After the plate is heated to the hot rolling temperature, the potential slip system is activated, the plasticity of the alloy is improved, and multi-pass rolling is carried out to ensure that the rolled piece is always within the hot rolling range. [0003] However, the heating temperature of the plate is not easy to be uniform during hot rolling, which is inconvenient for industrial production; the cold rolling process can improve the mechanical properties of the plate and the quality of the rolled piece, but it is easy to crack the plate. Moreover, although the existing rolling process can refine the structure an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B1/38B21B15/00F16F15/067B21D26/14B21D37/10B21D37/12B21D37/16B21C51/00
CPCB21B1/38B21B15/00B21B2001/386B21C51/00B21D26/14B21D37/10B21D37/12B21D37/16F16F15/067
Inventor 徐俊瑞李毅陈德山王宇阳李艳荣
Owner INNER MONGOLIA UNIV OF TECH
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