An electric permanent magnet controller and an electric permanent magnet sucker material adsorption detection method
An electro-permanent magnetic chuck and detection method technology, applied in electromagnets, electromagnets with armatures, measuring current/voltage, etc., can solve the problems of safety performance impact, incorrect position of adsorbed materials, etc., and achieve the goal of improving safety Effect
Active Publication Date: 2019-09-27
ZHUZHOU HVR MAGNETICS
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Problems solved by technology
However, when the current electro-permanent magnetic chuck is magnetized, it may happen that there is no adsorbed material, or the position of the adsorbed material is incorrect, which will do useless work for the machine tool where the electro-permanent magnetic chuck is located, and may even impact on safety performance
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[0044] The core of the present invention is to provide an electro-permanent magnet controller and an electro-permanent magnet chuck material adsorption detection method, which can know the adsorption state of the electro-permanent magnet chuck when magnetization is completed, so as to improve safety performance.
[0045] In order to make the above objects, features and advantages of the present invention more comprehensible, the specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0046] In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways than those described here, and those skilled in the art can make similar extensions without departing from the connotation of the present invention. Accordingly, the invention is not limited to the specific imp...
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The invention discloses an electric permanent-magnet chuck material adsorption detection method, and the method comprises the steps: obtaining a first DC pulse current outputted by an electric permanent-magnet controller under a preset condition that an electric permanent-magnet chuck is in an unloaded state when the electric permanent-magnet chuck is in magnetizing; obtaining a second DC pulse current outputted by the electric permanent-magnet controller under a preset condition that the electric permanent-magnet chuck absorbs a material when the electric permanent-magnet chuck is in magnetizing; judging whether the second DC pulse current is greater than the first DC pulse current or not: determining that the electric permanent-magnet chuck absorbs a load; The first DC pulse current is taken as a judgment standard, so as to judge that the electric permanent-magnet chuck absorbs a material when the second DC pulse current is greater than the first DC pulse current, or else judge that the electric permanent-magnet chuck is in the unloaded state, and notify a worker to carry out the maintenance, thereby improving the operation safety of the electric permanent-magnet chuck in a mechanical system. The invention also provides the electric permanent-magnet controller, and the electric permanent-magnet controller can achieve the same effect as the above method.
Description
technical field [0001] The invention relates to the technical field of electric permanent magnet controllers, in particular to an electric permanent magnet controller and a material adsorption detection method for an electric permanent magnet chuck. Background technique [0002] With the development of science and technology, electro-permanent magnetic chucks, as an economical and environmentally friendly clamping device, have been widely used in the machinery manufacturing industry. [0003] The electro-permanent magnetic chuck uses the different characteristics of different permanent magnet materials to control and convert the distribution of its internal magnetic circuit through the electronic control system, so that the permanent magnetic field is self-balanced within the system, and it is characterized as a degaussed and relaxed state externally, that is, no material suction state; or released to the working pole surface of the electro-permanent magnet, which is externa...
Claims
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IPC IPC(8): G01R19/00H01F7/18
Inventor 黄大启黄斌任争胜
Owner ZHUZHOU HVR MAGNETICS