CN111300174A

CN111300174A - Domestic automatic knife sharpener

Info

Publication number: CN111300174A
Application number: CN201910159257.4A
Authority: CN
Inventors: 曹振勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-04
Filing date: 2019-03-04
Publication date: 2020-06-19

Abstract

A household automatic knife sharpener relates to the technical field of knife sharpeners; the bottom in the box body is provided with a cutter fixing table, the upper part of the box body is provided with a screw rod, two sides of the screw rod are provided with guide rods, one end of the screw rod is connected with a screw rod motor, the screw rod is screwed with a sliding plate through a nut, the sliding plate is in sliding connection with the guide rods, one side of the sliding plate is provided with a side plate, and the side plate is sleeved outside the screw rod and is fixed with the box; two ends of the bottom of the sliding plate are respectively provided with a knife grinding motor, the two knife grinding motors are respectively connected with grinding wheels which are symmetrically arranged, a knife fixing groove is arranged on the knife fixing table, a knife placing edge is arranged on the end plate on one side of the box body, a knife blocking is arranged on one side of the knife placing edge, and the knife blocking is connected with a knife blocking knob on the outer side of the end plate; the inner sides of the end plate and the side plate are respectively fixed with a fixed needle, and a plate hole on the sliding plate is internally provided with a positioning marble corresponding to the position of the fixed needle. The household automatic knife sharpener disclosed by the invention has the advantages of high automation degree, high knife sharpening efficiency, labor force reduction, simplicity and convenience in operation and suitability for household cutters.

Description

Domestic automatic knife sharpener

Technical Field

The invention relates to the technical field of knife sharpeners, in particular to a household automatic knife sharpener.

Background

After the cutter is used for a period of time, the cutting edge of the cutter becomes dull due to abrasion, and further the working efficiency is low. Therefore, the tool needs to be sharpened to keep the cutting edge of the tool sharp and intact. The traditional mode is to sharpen the cutter in a manual mode, and the processing mode is labor-consuming and low in working efficiency. The knife sharpener in the prior art has a complex structure and is inconvenient to operate and not applicable to sharpening of long-strip-shaped cutters.

Disclosure of Invention

The invention aims to provide a household automatic knife sharpener which is simple in structure, reasonable in design and convenient to use, aiming at the defects and shortcomings of the prior art.

In order to achieve the purpose, the invention adopts the technical scheme that: the automatic cutter feeding device comprises a box body, a cutter fixing table, a screw rod motor, a sliding plate, a side plate, a guide rod, a cutter grinding motor, a grinding wheel, a cutter fixing groove, a cutter placing edge, a cutter blocking knob, a cutter blocking and a needle fixing; a cutter fixing table is arranged at the bottom in the box body, a screw rod is arranged at the upper part of the box body, guide rods are arranged on two sides of the screw rod, one end of the screw rod is connected with a screw rod motor, a sliding plate is screwed on the screw rod through a nut and is in sliding connection with the guide rods, a side plate is arranged on one side of the sliding plate, and the side plate is sleeved outside the screw rod and is fixed with the box body; two ends of the bottom of the sliding plate are respectively provided with a knife grinding motor, the two knife grinding motors are respectively connected with grinding wheels which are symmetrically arranged, a knife fixing groove is arranged on the knife fixing table, a knife placing edge is arranged on the end plate on one side of the box body, a knife blocking is arranged on one side of the knife placing edge, and the knife blocking is connected with a knife blocking knob on the outer side of the end plate; the inner sides of the end plate and the side plate are respectively fixed with a fixed needle, and a plate hole on the sliding plate is internally provided with a positioning marble corresponding to the position of the fixed needle.

Preferably, proximity switches are respectively mounted on the end plate and the side plate and on one side of the cutter fixing table.

Preferably, a horizontal stop is fixed on the end plate.

Preferably, the end plate is further provided with an illuminating lamp.

Preferably, the upper end of the box body is provided with a manual sharpening edge, and a sharpening stone is fixed on the manual sharpening edge.

Preferably, a scrap collecting drawer is arranged below the manual grinding edge.

The working principle of the invention is as follows: firstly, carrying out coarse grinding on the cutter by using a knife stone for manually grinding the edge of the cutter, and then carrying out automatic fine grinding: the cutter blocking knob is rotated to enable the cutter blocking to be in a vertical state, the cutting edge of the cutter is vertically upwards placed into the cutter fixing groove on the cutter fixing table through the cutter placing opening, and then the cutter blocking knob is rotated to enable the cutter blocking to be in a horizontal state, so that the cutter is clamped, and the cutter is prevented from being popped up; the screw rod motor drives the screw rod to rotate, the sliding plate on the screw rod is driven to move left and right through the nut, and the grinding wheel is driven to rotate by the grinding motor, so that the two sides of the cutting edge are symmetrically ground; when the sliding plate moves the end plate and the side plate, the fixed needle is inserted into the plate hole of the sliding plate, and the motor and the grinding wheel are pushed to contact the blade through the positioning marble.

After adopting the structure, the invention has the beneficial effects that: the household automatic knife sharpener disclosed by the invention has the advantages of high automation degree, high knife sharpening efficiency, labor force reduction, simplicity and convenience in operation, suitability for household cutters, simple structure, reasonable arrangement, low manufacturing cost and the like.

Drawings

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a side view of FIG. 1;

fig. 4 is an enlarged view of a portion a in fig. 3.

Description of reference numerals:

the automatic sharpening device comprises a box body 1, a knife fixing table 2, a screw rod 3, a screw rod motor 4, a sliding plate 5, a side plate 6, a guide rod 7, a sharpening motor 8, a grinding wheel 9, a knife fixing groove 10, a knife placing opening 11, a knife blocking knob 12, a knife blocking 13, a fixed needle 14, a proximity switch 15, a horizontal blocking 16, an illuminating lamp 17, a manual sharpening opening 18, a sharpening stone 19 and a scrap accumulating drawer 20.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Referring to fig. 1 to 4, the following technical solutions are adopted in the present embodiment: the automatic knife fixing device comprises a box body 1, a knife fixing table 2, a screw rod 3, a screw rod motor 4, a sliding plate 5, a side plate 6, a guide rod 7, a knife grinding motor 8, a grinding wheel 9, a knife fixing groove 10, a knife placing opening 11, a knife blocking knob 12, a knife blocking 13 and a fixed needle 14; the automatic cutting device is characterized in that a cutter fixing table 2 is arranged at the bottom in the box body 1, a screw rod 3 is arranged at the upper part of the box body 1, guide rods 7 are arranged on two sides of the screw rod 3, one end of the screw rod 3 is connected with a screw rod motor 4, a sliding plate 5 is screwed on the screw rod 3 through a nut, the sliding plate 5 is in sliding connection with the guide rods 7, a side plate 6 is arranged on one side of the sliding plate 5, and the side plate 6 is sleeved outside the screw rod 3 and; the bottom both ends of slide 5 install respectively sharpen motor 8, be connected with the emery wheel 9 that the symmetry set up on two sharpen motors 8 respectively, lead screw motor 4 drive lead screw 3 rotates, moves about slide 5 on driving lead screw 3 through the nut, sharpen motor 8 drive emery wheel 9 rotates to the bilateral symmetry of cutting edge sharpens.

The cutter fixing table 2 is provided with a cutter fixing groove 10, an end plate on one side of the box body 1 is provided with a cutter placing hole 11, one side of the cutter placing hole 11 is provided with a cutter blocking 13, the cutter blocking 13 is connected with a cutter blocking knob 12 on the outer side of the end plate, the cutter blocking knob 12 is rotated to enable the cutter blocking 13 to be located in a vertical state, a cutting edge of a cutter is vertically and upwards placed into the cutter fixing groove 10 on the cutter fixing table 2 through the cutter placing hole 11, then the cutter blocking knob 12 is rotated to enable the cutter blocking 13 to be located in a horizontal state, and therefore the cutter is clamped and is prevented from being poppe.

The inner sides of the end plate and the side plate 6 are respectively fixed with a fixed needle 14, a positioning marble corresponding to the fixed needle 14 is arranged in a plate hole on the sliding plate 5, when the sliding plate 5 moves to be close to the end plate and the side plate 6, the fixed needle 14 is inserted into the plate hole of the sliding plate 5, and the motor and the grinding wheel are pushed to contact with the blade through the positioning marble.

And proximity switches 15 are respectively arranged on the end plate and the side plate 6 and on one side of the cutter fixing table 2, and the proximity switches 15 sense the position of the sliding plate 5 so as to control the positive and negative rotation of the screw rod motor 4.

And a horizontal support 16 is also fixed on the end plate and plays a role in limiting.

The end plate is also provided with a lighting lamp 17.

The upper end of the box body 1 is provided with a manual knife grinding edge 18, a knife grinding stone 19 is fixed on the manual knife grinding edge 18, firstly, the knife is roughly ground by the knife grinding stone 19 of the manual knife grinding edge 18, and then, automatic fine grinding is carried out.

A scrap collecting drawer 20 is arranged below the manual grinding edge 18.

The appearance of box 1 is rectangle, and it is respectively to have four buttons above: the power supply, the light, the starting and the emergency switch are designed to reciprocate for 10 times, the automatic stop is carried out in about 1-half time, and the emergency switch can be instantly stopped.

After adopting above-mentioned structure, this embodiment produces beneficial effect does: this embodiment domestic automatic knife sharpener, degree of automation is high, and it is efficient to whet a knife, has reduced the labour, and is easy and simple to handle, is applicable to domestic cutter, this embodiment has simple structure, sets up reasonable, cost of manufacture low grade advantage.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Domestic automatic knife sharpener, its characterized in that: the automatic cutter feeding device comprises a box body, a cutter fixing table, a screw rod motor, a sliding plate, a side plate, a guide rod, a cutter grinding motor, a grinding wheel, a cutter fixing groove, a cutter placing edge, a cutter blocking knob, a cutter blocking and a needle fixing; a cutter fixing table is arranged at the bottom in the box body, a screw rod is arranged at the upper part of the box body, guide rods are arranged on two sides of the screw rod, one end of the screw rod is connected with a screw rod motor, a sliding plate is screwed on the screw rod through a nut and is in sliding connection with the guide rods, a side plate is arranged on one side of the sliding plate, and the side plate is sleeved outside the screw rod and is fixed with the box body; two ends of the bottom of the sliding plate are respectively provided with a knife grinding motor, the two knife grinding motors are respectively connected with grinding wheels which are symmetrically arranged, a knife fixing groove is arranged on the knife fixing table, a knife placing edge is arranged on the end plate on one side of the box body, a knife blocking is arranged on one side of the knife placing edge, and the knife blocking is connected with a knife blocking knob on the outer side of the end plate; the inner sides of the end plate and the side plate are respectively fixed with a fixed needle, and a plate hole on the sliding plate is internally provided with a positioning marble corresponding to the position of the fixed needle.

2. The home sharpener of claim 1, wherein: proximity switches are respectively arranged on the end plate and the side plate and on one side of the cutter fixing table.

3. The home sharpener of claim 1, wherein: and a horizontal block is also fixed on the end plate.

4. The home sharpener of claim 1, wherein: the end plate is also provided with a lighting lamp.

5. The home sharpener of claim 1, wherein: the upper end of the box body is provided with a manual knife grinding edge, and a knife stone is fixed on the manual knife grinding edge.

6. The home sharpener of claim 5, wherein: and a scrap collecting drawer is arranged below the manual grinding edge.