Technical characteristics of blade grinding fixture and blade grinder

Technical features:

1. A blade grinding jig, characterized by comprising a knife bar, the knife bar comprising: a knife bar main body, the knife bar main body includes a first positioning bottom for close contact with the bottom of the blade, and The first positioning side part to which the blade side is closely attached, the first positioning bottom and the first positioning side part enclose a blade slot; a pressure plate, the pressure plate is provided on at least a part of the top surface of the knife bar body; The pressure plate includes a first end and a second end, the first end is fixed to the shank body, and the second end is disposed opposite to the first positioning bottom; and a fastener, which can hold The pressure plate is locked and fixed to the main body of the knife bar, so that the second end of the pressure plate is pressed against the blade. 2. The blade grinding jig according to claim 1, wherein a first clearance groove is provided at the junction of the first positioning bottom portion and the first positioning side portion, and the first clearance groove faces away from The direction of the blade groove is recessed; the first avoidance groove is provided with a notch, and the notch is provided on the first positioning side. 3. The blade grinding jig according to claim 1, wherein a second relief groove is provided between the bottom of the pressure plate and the top of the tool bar body; the pressure plate has elasticity, at least partially The pressure plate can move in a direction close to or away from the top of the main body of the knife bar; the pressure plate is provided with an elastic hole at a position corresponding to the first end. 4. The blade grinding jig according to claim 1, wherein the main body of the tool bar further comprises a first gripping handle, and the first gripping handle is used to fit the mounting groove of the tool bar holder. . 5. The blade grinding jig according to claim 1, wherein a support surface is provided on the side of the tool bar body corresponding to the position of the blade slot, and the support surface is a vertical surface; The side of the shaft body is provided with an inclined surface corresponding to the front end of the blade groove, and the inclined surface is inclined inwardly from the top of the knife shaft main body to the bottom. 6. The blade grinding jig according to any one of claims 1 to 5, wherein the blade grinding jig further comprises a chamfering positioning seat for use with the cutter bar, and the chamfering The positioning seat is provided with a chamfered edge positioning portion, and the chamfered edge positioning portion is used to abut the blade. 7. The blade grinding jig according to claim 6, wherein the chamfering positioning seat comprises a seat body, and the seat body includes a second positioning bottom, a second positioning side, and a tool holder. The second clamping handle portion of the rack mounting groove, the second positioning bottom portion is used for tightly contacting the bottom of the knife bar, and the second positioning side portion is used for tightly contacting the side portion of the knife bar, so The second positioning bottom part and the second positioning side part enclose a positioning groove. 8. The blade grinding fixture according to claim 7, wherein the chamfering positioning seat further comprises a chamfering stopper, the chamfering stopper is detachably connected to the seat body, and the chamfering stop The edge positioning part is provided on the chamfered edge stopper. 9. A blade grinder, comprising: a feeding device, the feeding device comprising a frame, a power mechanism fixed to the frame, and a grinding wheel drivingly connected with the power mechanism; a cutter bar A frame, the tool bar frame is provided with an installation slot; an image acquisition device and a display screen, the display screen is electrically connected to the image acquisition device; and the blade grinding fixture according to any one of claims 1 to 8. 10. The blade grinder according to claim 9, wherein the feeding device further comprises a feeding base, and the knife bar frame is fixed to the feeding base; the feeding base is provided with a first adjustment The first adjustment mechanism is used to drive the feed base to move in a first direction, and the second adjustment mechanism is used to drive the feed base to move in a second direction.

The blade grinder according to claim 10, wherein the feeding device further comprises a turntable, the turntable is rotatably provided on the feeding base, and the tool bar frame is fixed to the turntable.

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