Magnetic clamping device, an injection moulding machine comprising such a device and a method for manufacturing such a device
First Claim
1. Magnetic clamping device comprising a clamping support and at least two magnetic pads housed in the support, each pad including a magnet that can be switched between an activated state, in which magnetic flux lines generated by the pad extend towards an outside of the clamping device, and a deactivated state, in which the magnetic flux lines are confined in the clamping device, each pad further including at least one solenoid coil having opposite ends, each end of the at least one solenoid coil being connected to a terminal, wherein the terminals of at least two pads are connected to each other by a removable connector.
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Abstract
A magnetic clamping device includes a clamping support and at least two magnetic pads housed in the support, each pad having a magnet that can be switched between an activated state and a deactivated state. Each pad has at least one solenoid coil each end of which is connected to a terminal with the terminals of at least two pads being connected to each other by removable connectors.
19 Citations
15 Claims
- 1. Magnetic clamping device comprising a clamping support and at least two magnetic pads housed in the support, each pad including a magnet that can be switched between an activated state, in which magnetic flux lines generated by the pad extend towards an outside of the clamping device, and a deactivated state, in which the magnetic flux lines are confined in the clamping device, each pad further including at least one solenoid coil having opposite ends, each end of the at least one solenoid coil being connected to a terminal, wherein the terminals of at least two pads are connected to each other by a removable connector.
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14. An injection molding machine, comprising a magnetic clamping device including a clamping support and at least two magnetic pads housed in the support, each pad having a magnet that can be switched between an activated state, in which magnetic flux lines generated by the pad extend towards an outside of the clamping device, and a deactivated state, in which the magnetic flux lines are confined in the clamping device, each pad further including at least one solenoid coil having opposite ends, each end of the at least one solenoid coil being connected to a terminal, wherein the terminals of at least two pads are connected to each other by a removable connector.
Specification