Blade grinding fixture and blade grinder

The utility model relates to a blade grinding jig and a blade grinder. The blade grinding jig includes a tool bar. The knife bar includes a knife bar main body, a pressure plate and a fastener. The main body of the knife bar includes a first positioning bottom and a first positioning side. The blade is positioned through the first positioning bottom and the first positioning side, which effectively ensures the consistency of the blade clamping. The pressing plate includes a first end and a second end. One end is fixed to the main body of the knife bar, and the two ends are arranged opposite to the first positioning bottom. The fastener is used to lock and fix the pressing plate to the main body of the knife bar, so that the second end of the pressing plate presses the blade. The first end of the pressure plate is fixed to the main body of the cutter bar. During the blade locking process, the pressure plate only moves up and down to compress the blade, avoiding the problem of angle displacement of the blade caused by the rotation of the pressure plate, and the clamping accuracy of the blade can be guaranteed at a certain level. To ensure the consistency of the blade clamping angle within the tolerance range. In this way, the blade grinding fixture can improve the accuracy of the blade grinding angle and the grinding efficiency

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