Position and pressure compensation device, method and grinding machine using the device
A pressure compensation and pressure technology, which is used in grinding machines, belt grinders, grinding/polishing equipment, etc., can solve the problems of excessive grinding of the contact surface of the workpiece, poor appearance quality, etc., and achieve the effect of fast response speed.
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Embodiment 1
[0026] This embodiment discloses a position and pressure compensation device realized by magnetic levitation, which is applied in the technical field of using magnetic force (including the repulsive force of homopolar magnetic field and the attractive force of heteropolar magnetic field) to deal with the problem of grinding force compensation. Specific as attached figure 1 As shown, the device includes an abrasive belt support mechanism, an electromagnet support mechanism, a pressure sensor support mechanism and an analog-digital control circuit. A complete closed-loop control system composed of the above four parts adjusts the external grinding process in real time according to the shape difference of the workpiece. The contact state of the abrasive belt 202 relative to the workpiece 105 to be ground. The position and pressure compensating device is installed in the relevant application environment in a horizontal or vertical manner.
[0027] as attached figure 1 It can be ...
Embodiment 2
[0037]The second embodiment discloses a position and pressure compensation method realized by magnetic levitation, including the following steps:
[0038] S1. When the workpiece to be ground is placed on the external abrasive belt provided on the abrasive belt support mechanism, the external abrasive belt is pressed down and its pressure is transmitted to the first abrasive belt support wheel 101 and the first abrasive belt support wheel 101. The second abrasive belt support wheel 108;
[0039] S2. The pressure change generated above is transmitted to the pressure sensor 111 through the first linear bearing 102 and the second linear bearing 107;
[0040] S3. The pressure sensor 111 outputs a voltage corresponding to the pressure to the analog-digital circuit controller;
[0041] S4. The analog-digital circuit controller converts the voltage output by the pressure sensor 111 into a voltage for controlling the magnetic force of the electromagnet 109;
[0042] S5. The electroma...
Embodiment 3
[0051] This embodiment discloses a grinder using a position and pressure compensation device realized by magnetic levitation. The grinder uses magnetic force (including the repulsive force of homopolar magnetic fields and the attractive force of heteropolar magnetic fields) to deal with the problem of grinding force compensation. Specific as attached figure 2 As shown, the grinder includes a grinding abrasive belt 202, more than two support wheels, the position and pressure compensation device 203 disclosed in Embodiment 1 and a main support plate 204, and the position and pressure compensation device 203 is fixed on the main On the support plate 204, the top surface of the main support plate 204 is used to prop up the abrasive abrasive belt 202, and the abrasive abrasive belt 202 is fixed on the support wheels, one of which is driven by a motor to rotate driving wheel, so that the abrasive belt 202 is driven to move along the closed curve formed by the supporting wheel.
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