CN2832427Y

CN2832427Y - Electric sharpening device for cutting edges

Info

Publication number: CN2832427Y
Application number: CN 200520065508
Authority: CN
Inventors: 丁晶伟
Original assignee: DAZHOU ELECTRIC APPLIANCES Co LTD BOLUO COUNTY
Current assignee: Dongguan City Bigland Electric Appliance Co., Ltd.
Priority date: 2005-10-11
Filing date: 2005-10-11
Publication date: 2006-11-01
Anticipated expiration: 2015-10-11

Abstract

The utility model provides an electric sharpening device which comprises an upper housing, a lower housing and a power transmission system positioned in the housing and composed of a motor, a blade, a coupling, a main shaft, a shaft end spring, a thick grinding wheel and a thin grinding wheel, and a knife trough structure is formed from a small sand base and a sand base supporting frame. The utility model is characterized in that the small sand base is in the shape of a V-shaped trough and is fixed in the housing through the sand base supporting frame, and the sand base inclines at an angle to be in line with the knife trough angle. At the same time, the bottom of the small sand base is provided with a spring which can support the small sand base to bear constant pressure. The motor and the main shaft are assembled and fixed in the housing and are connected with a switch. Both ends of the main shaft are respectively provided with a pressure spring which can axially move when the main shaft and the grinding wheels are extruded by a cutter. The utility model has the advantages of novel design, labor saving, time saving, simple and convenient operation, sharp cutting edge of grinding cutters, etc., and the utility model is widely suitable for fields such as families, hotels, restaurants, etc.

Description

A kind of electric knife grinder

Technical field:

The utility model relates to a kind of novel electric knife grinder tool, particularly a kind of electric knife grinder.

Background technology:

Whet a knife about family kitchen, people's consciousness generally rests on utilizes manpower on whetstone blade to be sharpened, not only time-consuming but also require great effort, and needs skilled sharpening technology could grind blade.The electric knife grinder that utilizes motor to drive the emery wheel rotation in recent years begins to occur, and is more rapid, laborsaving than manual sharpening like this.The general electric knife grinder of selling on the market all is the emery wheel rotation that is driven both sides by motor, and the user is pressed over the blade of cutter on the emery wheel with suitable angle, and hand drags handle of a knife lentamente, utilizes the rotary grinding cutter to make blade become sharp, finishes the operation of whetting a knife.Though this kind improved operating efficiency with the method that machine replaces manpower, it is time saving and energy saving to whet a knife than manpower.But since its structurally with the limitation of sharpening implementation process, still have following not most shortcoming to wait to improve.The first is because the big or small direction that the user exerts oneself when hand drags handle of a knife is inconsistent, so cause the blade injustice after the grinding easily, cutting edge is deep mixed.Also might be even chop wound the situation of shell holder when causing blade to withdraw from the cutter groove because of the excessive locked emery wheel of the pressure that manually imposes on handle of a knife and motor.It two is because above-mentioned knife sharpener user can only do the single face grinding when whetting a knife at every turn, and is so how skilled no matter user's technology has, and firmly how suitable size have, and all can form burr and turned at the back side of institute's tool sharpening unavoidably, be difficult to reach perfect effect.

Summary of the invention:

The purpose of this utility model provides a kind of modern design, and is light and practical, time saving and energy saving, and the milling cutter cutting edge is sharp, and the monolateral burr of blade and the turned electric knife grinder that obtains proofreading and correct that can allow traditional sharpening method grind.

The purpose of this utility model solves by following technical solution: this electric knife grinder, comprise the power drive system that lower house and the motor that is positioned at housing, fan blade, shaft joint, main shaft, axle head spring and thickness emery wheel constitute, form cutter groove structure by little sand seat and sand seat support, it is characterized in that: the V-shaped groove shape of described little sand seat, be fixed in the housing by the sand seat support, and the angle that tilts makes it consistent with the angle of cutter groove, is positioned at little sand seat bottom simultaneously and is provided with one and can supports little sand seat and bear the spring of a constant pressure; Described motor and be fixed in the housing by the axle combination that shaft joint, emery wheel, main shaft constitute jointly wherein respectively is provided with one and can axially moves and keep dynamically balanced compression spring (10) when making main shaft and emery wheel be subjected to the cutter extruding at the main shaft two ends.

Above-mentioned electric knife grinder, described little sand seat places the place ahead of emery wheel, and the V-shaped groove of little sand seat is consistent with the cutter groove to be same angle direction also, must be successively by emery wheel and V-shaped groove when milling cutter is hauled out.

Above-mentioned electric knife grinder, be positioned at every little sand seat below be equipped with a spring, this spring can support little sand seat and move up and down, and gives the constant compression force of cutter by V-shaped groove all the time, makes blade must be subjected to the grinding and the correction of V-shaped groove through too small sand seat the time.

The utlity model has following advantage:

1, modern design, time saving and energy saving, simple to operation, can not influence the quality of sharpening and efficient because of user's misoperation or the big or small direction of exerting oneself differ.The power that the user only need hold handle of a knife to be had a light downwards power of pressing slightly and drag cutter before body can be finished sharpening.

2, the cutter after the grinding is sharp smooth, and cutting edge does not have burr and turned, is close to perfect grinding effect, and the monolateral burr of blade and turned the obtaining that can allow traditional sharpening method grind are proofreaied and correct.

Description of drawings:

Below in conjunction with accompanying drawing the utility model is illustrated;

Fig. 1 is a sectional structure chart of the present utility model;

Fig. 2 is a perspective view of throwing off loam cake;

Fig. 3 is that product launches explosive view.

The specific embodiment:

Now 1-Fig. 3 is further described embodiment of the present utility model in conjunction with the accompanying drawings.This knife sharpener is made up of upper shell 1, fan blade 2, motor 3, lower house 4, switch 5, little sand seat 6, spring 7, sand seat support 8, dust-break lid 9, axle head spring 10, outer shaft joint 11, emery wheel 12, main shaft 13, emery wheel 14, interior shaft joint 15, pressing plate 16.The concrete formation of its knife sharpener is that motor 3 and axle combination are installed in lower house, one end of motor 3 drives cooling fan blade 2, the other end then through interior shaft joint 15 with outside shaft joint 11 link to each other with spindle combinations, inside and outside shaft joint is loose fit, makes main shaft 13 still can do axial displacement in when rotation work.Main shaft 13 and outer shaft joint 11 and emery wheel 12.14 tighten together and form the axle combination.The two axial ends of main shaft 13 has an aperture respectively, is built-in with spring 10, and this spring action makes main shaft 13 and combination be in quick condition, and it is subjected to the blade extruding can do axial displacement.All there is an arc pressuring plate 16 on the both sides of every emery wheel, and pressing plate also has housing 1 skewed slot own to form the cutter groove with emery wheel 12.14.Pressing plate 16 light push type broach swords when cutter is put into the cutter groove and ground, the effect of main shaft spring 10 makes blade and emery wheel that one constant mutual pressure be arranged in addition, so finishes sharpening.Avoided to go to control with manpower the pressure that contacts of blade and emery wheel, made sharpening laborsaving convenient again.

Little sand seat 6 of the present utility model places the both sides in emery wheel 12.14 dead aheads respectively, and (referring to Fig. 2) little sand seat 6 belows are provided with a spring 7, and this two part and sand seat support 8 are fixed on the upper shell 1 together.In the middle of the little sand seat 6 V-shaped groove is arranged, V-shaped groove is consistent with the cutter groove to be same angle direction also, and blade just drops on cutter groove and the V-shaped groove when implementing to whet a knife, and two places fixedly make blade be unlikely to roll, and the blade after the grinding is smooth sharp.The spring 7 of in addition little sand seat 6 belows can cushion the extruding that the sand seat is subjected to blade, and can do upper and lower displacement, because little sand seat also is to be made by the removing material of superfine utmost point hard, single face burr and the turned meeting of blade through grind producing obtains fine grinding and correction through too small sand seat V-shaped groove the time like this, to obtain perfect ground effect.

The combination of emery wheel of the present utility model and main shaft because the spring action at main shaft two ends keeps dynamic balancing, and is subjected to the blade extruding can do axial displacement, makes that the pressure between blade and the emery wheel keeps constant substantially.The place ahead of emery wheel in addition, just respectively there is a little sand seat in the exit of cutter groove, must drop on simultaneously during tool lapping on the cutter groove and little sand seat of emery wheel and pressing plate formation, make blade remain linear running, direction and the not gentle cutting edge of the inconsistent blade that causes of dynamics are deep mixed when having avoided dragging handle of a knife because of hand; But simultaneously owing to had the support of little sand seat and the axial displacement of spindle combinations to make that emery wheel and motor can be not excessive and locked because of pressure.

Claims

1, a kind of electric knife grinder, comprise lower house (1.4) and be positioned at the motor (3) of housing, fan blade (2), shaft joint (11.15), main shaft (13), the power drive system that axle head spring (10) and thickness emery wheel (12.14) constitute, wherein constitute cutter groove structure by little sand seat (6) and sand seat support (8), it is characterized in that: the V-shaped groove shape of described little sand seat (6), be fixed in the housing by sand seat support (8), and the angle that tilts makes it consistent with the angle of cutter groove, is positioned at little sand seat (6) bottom simultaneously and is provided with one and can supports the spring (7) that little sand seat bears a constant pressure; Described motor (3) and be fixed in the housing by the common axle combination that constitutes of shaft joint (11), emery wheel (12), main shaft (13), emery wheel (14) wherein respectively is provided with one and can axially moves and keep dynamically balanced compression spring (10) when making main shaft and emery wheel be subjected to the cutter extruding at main shaft (13) two ends.

2, electric knife grinder according to claim 1 is characterized in that: described little sand seat (6) places the place ahead of emery wheel (12.14), and the V-shaped groove of little sand seat is consistent with the cutter groove to be same angle direction also.

3, electric knife grinder according to claim 1 and 2 is characterized in that: be positioned at every little sand seat (6) below be equipped with a spring (7).