CN2301296Y

CN2301296Y - Double grinding relief sharpening device

Info

Publication number: CN2301296Y
Application number: CN 97211353
Authority: CN
Inventors: 程学勤
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-02-25
Filing date: 1997-02-25
Publication date: 1998-12-23
Anticipated expiration: 2007-02-25

Abstract

The utility model relates to a double grinding relief sharpening device, which is composed of a front and a back sharpening bodies, a sharpening wheel, a left sharpening piece, a right sharpening piece, etc., wherein, both ends of the sharpening bodies are provided with two knife sharpening through slits, a rough sharpening slit A and a fine sharpening slit B. The left and the right sharpening pieces are arranged in the rough sharpening slit, and the left and the right sharpening pieces are formed into a V-shaped included angle. The utility model is characterized in that the front side and the back side on the lower left side of the fine sharpening slit B are correspondingly provided with a back pin shaft and a front pin shaft. An inner hole of the sharpening wheel is arranged on the two corresponding pin shafts. The outer margin of the sharpening wheel and the right wall of the sharpening silts are formed into an included angle from seven to eight DEG, and the left and the right sharpening pieces are formed into a V-shaped included angle from 15 to 17 DEG. The sharpening device can not only be used for rough sharpening knife edges, but also be used for finely sharpening knife edges. The utility model has the advantages of bright and sharp sharpened knife edges and long service life.

Description

The Double grinding relief knife sharpener

The utility model belongs to a kind of Double grinding relief knife sharpener, and it is applicable to that tool sharpenings such as meat cutting vegetable knife for kitchen use, fruit knife and scissors use.

Before the utility model is made, commercially available a kind of single slot grinding knife sharpener, be inlaid with in the slot grinding of this knife sharpener carbide alloy about two abrasive discs, about two abrasive discs form up big and down small v-angle, during sharpening blade is placed on downwards on the v-angle of this slot grinding and inwardly draws and blade can be sharpened, the shortcoming of this list slot grinding knife sharpener be about the v-angle angle of two abrasive discs little, increase the resistance of whetting a knife, the blade that grinds has coarse ripple, brightness is poor, can only roughly grind, thereby influence the sharpness of blade, service life is short.

The purpose of this utility model provides a kind of Double grinding relief knife sharpener, and it not only can be roughly ground blade, and can carry out fine grinding to blade, and the blade light that grinds is sharp, long service life.

The utility model is the improvement to existing single slot grinding knife sharpener, promptly on this knife sharpener, increase a fine grinding groove and the emery wheel that a brown corundum or white fused alumina finer abrasive are made is housed in the lower-left of this fine grinding groove side, this emery wheel endoporus is contained on former and later two corresponding bearing pins, 7～8 ° of the angles that the right wall of emery wheel and slot grinding forms, when blade was carried out fine grinding, emery wheel rotated, and just blade can be ground bright sharp, prolong the service life of cutter, realize the purpose of invention.

The utility model with existing its advantage of single slot grinding knife sharpener comparison is, it both can be roughly ground blade, can carry out fine grinding with the emery wheel of fine grinding groove to the blade after the corase grind again, makes the blade light after the fine grinding sharp, not turned, the service life of prolongation cutter.

Description of drawings:

Fig. 1 is a Double grinding relief knife sharpener front view;

Fig. 2 is a Double grinding relief knife sharpener vertical view;

Fig. 3 is an A-A part amplification view among Fig. 2.

Number among the figure: 1. body is ground in the back; 2. preceding mill body; 3. emery wheel; 4. left abrasive disc; 5. right abrasive disc; 6. rear pin shaft; 7. preceding bearing pin; 8. locating hole; 9. alignment pin.

Below in conjunction with accompanying drawing structure of the present utility model and embodiment are illustrated; This Double grinding relief knife sharpener is made of parts such as back mill body 1, preceding mill body 2, emery wheel 3, left abrasive disc 4, right abrasive discs 5, wherein back mill body 1, preceding mill body 2 usefulness alignment pins 9 are fixed into a sharpening body, have two sharpening grooves at sharpening body two ends: corase grind groove A and fine grinding groove B, the left abrasive disc 4 and the right abrasive disc 5 of carbide alloy are housed in corase grind groove A, this left and right sides abrasive disc is embedded in the groove of corase grind geosynclinal convex platform, left side abrasive disc 4 constitutes a v-angle with right abrasive disc 5, and the angle of this v-angle is 15～17 °; The rear pin shaft 6 of two correspondences is housed before and after the side of the lower-left of fine grinding groove B, and preceding bearing pin 7, the endoporus of emery wheel 3 are contained on above-mentioned two corresponding bearing pins 6,7, and emery wheel 3 outer rims become 7～8 ° of angles with the right wall of slot grinding, and emery wheel is made with fine granularity palm fibre corundum or white fused alumina abrasive material.Emery wheel 3 rotated when blade was carried out fine grinding, just can grind blade bright, and is sharp, prolongs the service life of cutter, realizes the purpose of invention.

Claims

1. a Double grinding relief knife sharpener is made of back mill body (1), preceding mill body (2), emery wheel (3), left abrasive disc (4), right abrasive disc parts such as (5), wherein back mill body (1) is fixed into a sharpening body with preceding mill body (2) with alignment pin (9), has two sharpening grooves at these sharpening body two ends; Corase grind groove (A) and fine grinding groove (B), in corase grind groove (A) lining left abrasive disc (4) and right abrasive disc (5) are housed, left side abrasive disc (4) and right abrasive disc (5) constitute a v-angle, it is characterized in that: before and after the lower-left side of fine grinding groove (B) corresponding rear pin shaft (6) and preceding bearing pin (7) are housed, the endoporus of emery wheel (3) is contained on above-mentioned two corresponding bearing pins (6), (7).

2. according to the described Double grinding relief knife sharpener of claim 1, it is characterized in that: emery wheel (3) outer rim becomes 7～8 ° of angles with the right wall of slot grinding.

3. according to the described Double grinding relief knife sharpener of claim 1, it is characterized in that: left abrasive disc (4) is 15～17 ° with the angle of the v-angle that right abrasive disc (5) constitutes.