An online controllable continuous self-resistance heating control method based on multi-sensor fusion
A multi-sensor fusion and heating control technology, which is applied in manufacturing tools, metal processing equipment, forming tools, etc., can solve problems such as poor plate shape and achieve precise and controllable heating effects
Active Publication Date: 2018-04-17
东营布鲁特新材料有限公司
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Problems solved by technology
[0006] The purpose of the present invention is to provide an online controllable continuous self-resistance heating control method based on multi-sensor fusion, aiming to solve the problem that there is no fast heating method that can be really effective for the online heating speed of hot stamping special-shaped thin sheets And the temperature field is controllable, resulting in the problem of poor plate shape that is easily induced during the heating process
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[0032] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0033] The application principle of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0034] Such as figure 1 Shown: the online controllable continuous self-resistance heating control method based on multi-sensor fusion provided by the embodiment of the present invention includes the following steps:
[0035]S101: First, before the blank enters the first pair of electrode rollers, the blank visual inspection system completes the scanning of the outer contour and transmits the information to the computer host. The yield strength and other characteristic information of ...
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The invention discloses an online controllable continuous self-resistance heating control method based on multi-sensor fusion. According to this characteristic information, the host computer preliminarily sets the loading current, roller speed and contact pressure between the first pair of electrode rollers according to the heating target temperature requirements and the yield strength of the billet at a specific temperature. The current is applied in the same direction to complete the first-pass self-resistance heating of the blank; the second-pass self-resistance heating is carried out sequentially; and the invention simultaneously discloses a self-resistance heating control system. In the present invention, the loading current between each pair of electrode rollers, the rotation speed of the electrode rollers and the contact pressure between the electrode rollers and the blank are controllable, and cooperate with the blank visual detection system and the infrared temperature measuring device to form a closed-loop control system, which can complete the process along the length direction of the blank. Precise and controllable heating purpose.
Description
technical field [0001] The invention belongs to the field of heating control of hot stamping special-shaped blanks, in particular to an online controllable continuous self-resistance heating control method based on multi-sensor fusion. Background technique [0002] Hot stamping forming technology is a new forming technology to improve the plastic forming ability of high-strength steel plates, ensure the dimensional accuracy of stamping parts and improve the strength level of stamping parts. It has become a popular technology in the high-strength steel auto parts manufacturing industry. The billet heating of the hot stamping process is heated by a roller hearth furnace. Its main advantage is that it is suitable for uniform heating of blanks of different shapes after laser cutting and blanking. However, it has also been found in the process of use that, due to the limitation of the heating speed, the only way to increase the production efficiency can be achieved by increasing...
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IPC IPC(8): B21D37/16
CPCB21D37/16
Inventor 姚圣杰赵洪运刘洪伟
Owner 东营布鲁特新材料有限公司