Automatic deviation correcting device of metal band saw blade
A technology of automatic deviation correction and metal belt, which is applied in automatic control devices, metal sawing equipment, attachment devices of sawing machines, etc., to achieve the effect of improving service life and preventing scrapping.
Inactive Publication Date: 2013-07-17
HANGZHOU DIANZI UNIV
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Problems solved by technology
But so far, there is no automatic deviation correction device for the related content involved in metal band sawing machines.
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[0020] The present invention will be further described below in conjunction with the accompanying drawings.
[0021] Such as figure 1 and 2 As shown, a saw blade automatic deviation correction device for a metal band sawing machine mainly includes eddy current sensors 6, 10, deviation correction hydraulic cylinders 4, 8, electromagnetic proportional overflow valve 16, electromagnetic proportional valve 22, oil source assembly 18 and automatic deviation correction servo control device Control circuit 21. The oil source assembly 18 mainly includes a check valve 19 and an oil pump 20 . The eddy current sensors 6, 10 are connected to the pillars 3, 11 of the metal band sawing machine through the brackets 5, 9, and are used to measure the sawing deviation of the saw blade near the guide mechanism 1, 12; the probes of the eddy current sensors 6, 10 and the saw blade The lower end of 14 is arranged in parallel. Wherein, the guide mechanisms 1 and 12 are connected as a whole throu...
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The invention relates to an automatic deviation correcting device of a metal band saw blade. The automatic deviation correcting device comprises two sets of current eddy sensors, two sets of deviation correcting hydraulic cylinders, a tensioning hydraulic cylinder, a hydraulic control oil path, an automatic deviation correcting servo control device and a guide mechanism, wherein the automatic deviation correcting servo control device calculates the deviation of the band saw blade through signals collected by the current eddy sensors, and the hydraulic control oil path controls the displacement of the deviation correcting hydraulic cylinders and the tensioning hydraulic cylinder, so the guide mechanism is driven to move for correcting the deviation of the metal band saw blade. The automatic deviation correcting device has the advantages that the dynamic relative displacement change between the saw blade and the probe surface can be measured in a non-contact, high-linearity and high-resolution way, in addition, the detected displacement change is converted into real-time continuous digital signals, a guide arm of a band saw is automatically regulated through a controller and an electro-hydraulic servo mechanism for compensation, the saw blade can return to the normal cutting track to a certain degree, the workpiece rejection can be effectively prevented, and the service life of the saw blade is greatly prolonged.
Description
technical field [0001] The invention relates to a saw blade deviation detection and automatic deviation correction device in a metal band sawing machine, in particular to an electro-hydraulic servo-driven saw blade automatic deviation correction device. Background technique [0002] Metal band sawing machines have been widely used in sawing ferrous metals, non-ferrous metals and non-metallic materials. In the actual production process, when the metal saw blade is worn to a certain extent, its cutting track will deviate. Due to the deviation of the cutting track of the saw blade, it will not only increase the wear of the saw blade, but also make the processed workpiece scrapped. Therefore, an automatic deviation correction device is needed to make the saw blade return to the normal cutting track and effectively reduce the loss caused by the cutting deviation of the saw blade. [0003] Existing automatic deviation correction devices are generally applied to the problem of 'd...
Claims
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IPC IPC(8): B23D59/00B23Q15/007B23Q17/22
Inventor 倪敬蒙臻程乐平陈国金
Owner HANGZHOU DIANZI UNIV