Knife sharpener that can sharpen knives simultaneously on rough and fine grinding positions of the knife sharpening seat

Abstract

The disclosure discloses a knife sharpener that can sharpen knives simultaneously on rough and fine grinding position of the knife sharpening seat, comprising a knife sharpening seat, a cover plate, a knife sharpening groove and a fine grinding column, wherein the upper end of the knife sharpening seat is provided with the cover plate; the lower end of the sharpening seat is provided with a bottom fixing column; the inner bottom surface of the cover plate is provided with two sets of connecting columns; two gears of rough and fine grinding positions of the device can be selected according to the wear degree of the knife blade to carry out the sharpening operation, or the rough and fine grinding positions can be used for sharpening operation at the same time, thereby improving the convenience of operation and occupying very little space.

1 . A knife sharpener that can sharpen knives simultaneously on rough and fine grinding position of the knife sharpening seat, comprising a knife sharpening seat ( 1 ), a cover plate ( 2 ), a knife sharpening groove ( 3 ) and a fine grinding column ( 5 ), wherein the upper end of the knife sharpening seat ( 1 ) is provided with the cover plate ( 2 ); the lower end of the sharpening seat ( 1 ) is provided with a bottom fixing column ( 4 ); the inner bottom surface of the cover plate ( 2 ) is provided with two sets of connecting columns ( 8 ); a connecting groove ( 7 ) is arranged between the connecting column ( 8 ) and the knife sharpening seat ( 1 ); the center position of the knife sharpening seat ( 1 ) and the cover plate ( 2 ) is correspondingly provided with a knife sharpening groove ( 3 ) with notches ( 3 ) on both sides; the fine grinding column ( 5 ) is installed on the inner side of the sharpening groove ( 3 ) on the sharpening seat ( 1 ); a rough grinding plate ( 6 ) is set at a position symmetrical to the fine grinding column ( 5 ) based on the center of the cover plate ( 2 ). 
     
     
         2 . The knife sharpener that can sharpen knives simultaneously on rough and fine grinding position of the knife sharpening seat in  claim 1 , wherein the fine grinding column ( 5 ) and the rough grinding plate ( 6 ) are inlaid on the cover plate ( 2 ); there are two fine grinding columns ( 5 ) and two the rough grinding plates ( 6 ) and the angle between them is 25°-30°; the angle between the fine grinding columns ( 5 ) and the rough grinding plates ( 6 ) is on the same horizontal line. 
     
     
         3 . The knife sharpener that can sharpen knives simultaneously on rough and fine grinding position of the knife sharpening seat in  claim 1 , wherein the sharpening groove ( 3 ), the bottom fixing column ( 4 ) and the connecting groove ( 7 ) are integrally formed on the sharpening seat ( 1 ). 
     
     
         4 . The knife sharpener that can sharpen knives simultaneously on rough and fine grinding position of the knife sharpening seat in  claim 1 , wherein the connecting column ( 8 ) is integrally formed on the cover plate ( 2 ). 
     
     
         5 . The knife sharpener that can sharpen knives simultaneously on rough and fine grinding position of the knife sharpening seat in  claim 1 , wherein the fine grinding column ( 5 ) is made of ceramic bars, and the rough grinding plate ( 6 ) is made of diamond or cemented carbide.