KR101786193B1

KR101786193B1 - Blade polishing apparatus of the reciprocating type

Info

Publication number: KR101786193B1
Application number: KR1020150119317A
Authority: KR
Inventors: 장성진; 조혁상
Original assignee: 조혁상; 장성진
Priority date: 2015-08-25
Filing date: 2015-08-25
Publication date: 2017-10-17
Also published as: KR20170024272A

Abstract

The present invention relates to a reciprocating blade sharpening apparatus for grinding a blade of a cutlery by reciprocating an abrasive pad having a polishing pad attached thereto. The reciprocating blade sharpening apparatus includes a base frame, a guide frame hinged to one end of the base frame, At least one magnetic body slidably coupled along the base frame forwardly and coupled to the object to be polished by magnetic force, and at least one support member slidably coupled to the upper side of the base frame and supporting the guide frame .

Description

[0001] The present invention relates to a reciprocating blade polishing apparatus,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polishing apparatus for polishing a blade of a cutlery such as a knife, a scissors or an ax, and more particularly to a reciprocating blade polishing apparatus for reciprocating a blade with a polishing pad .

Knives, such as knives, scissors, sickles, axes, etc., are worn when used for a long time and need to be sharpened again for reuse.

However, cutlery such as knives and scissors has various uses ranging from general items used at home to specialized fields such as peacocks or beauty and beauty. In addition, knives and scissors used in professional fields such as peacock, beauty, and beauty are expensive and require high precision of the product.

In particular, ordinary knives and scissors used at home are rarely used for grinding and reusing abrasive blades. However, expensive knives and scissors used in the field of specialty are frequently used when the blades become dull.

In general, however, such a polishing operation requires a considerable amount of time and a high degree of skill because the grinding operation is a method of reciprocating the grinding wheel while spraying water with the grinding blade. If you can not find a skilled worker or are chased in time, you have to do your own polishing, but because of the high risk of a safety accident, you will make an uneconomical choice to buy a new cutlery.

On the other hand, in the case of abrading the abrasive wheel with a high-speed rotating abrasive wheel surface, there is a problem that the abrasive wheel is expensive, so that it is required to pay a considerable cost when purchasing the initial equipment and replacing the abrasive wheel due to abrasion have.

In addition, since the blade must be ground with the blade laid at an appropriate angle on the surface of the grinding wheel rotating at a high speed, there is also a problem that the precision of polishing is greatly influenced by the skill of the operator.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a reciprocating blade sharpening apparatus which is simple in structure and simple in operation and capable of precision polishing a blade of a blade even with a non-expert.

The above-described object of the present invention can be achieved by a base frame, A guide frame having one end hinged to the upper side of the base frame; At least one magnetic body slidably coupled to the front of the guide frame along the base frame and coupled to the object to be polished by magnetic force; And at least one support member slidably coupled to the upper side of the base frame and supporting the guide frame.

According to a preferred aspect of the present invention, the magnetic head further includes a first support bracket slidably coupled to the rear of the magnetic body along the base frame and supporting one side of the object to be polished.

According to another preferred feature of the present invention, at least one polishing pad is further provided, and the polishing tool may further include an abrasive for polishing the object to be polished by reciprocating motion.

According to another preferred embodiment of the present invention, the guide bar may further include a guide bar spaced apart from the upper portion of the guide frame so as to guide the reciprocating motion direction of the polishing tool.

According to another preferred embodiment of the present invention, the guide frame may further include a ball socket joint which is vertically installed on the guide frame and through which the guide bar is inserted.

According to another preferred feature of the present invention, the elastic member may further include at least one elastic member interposed on the outer circumferential surface of the guide bar.

According to another preferred aspect of the present invention, the apparatus may further include a pair of second support brackets slidably coupled to the upper side of the guide frame.

According to another preferred feature of the present invention, the polishing tool is polyhedron-shaped and the handle portion can be extended at the front end.

According to another preferred aspect of the present invention, a hollow is formed in the polishing tool, a front end portion of the guide bar is inserted into the hollow of the polishing tool, and an elastic member is provided on the outer peripheral surface of the front end portion of the guide bar inserted in the hollow Can be intervened.

According to the reciprocating blade polishing apparatus of the present invention, since the blade is polished by reciprocating the polishing tool, the blade can be easily and quickly raised.

Further, according to the reciprocating blade polishing apparatus of the present invention, since the inclination angle of the polishing tool to the cutter can be adjusted, it is possible to precisely polish the blade at a desired blade angle.

Further, according to the reciprocating blade grinding apparatus according to the present invention, various types of grinding operations can be performed from roughing to finishing by attaching abrasive materials having different roughnesses to respective surfaces of the grinding tools.

In addition, according to the reciprocating blade grinding apparatus of the present invention, the cutting edge of the cutter can be horizontally aligned with the end of the base frame to accurately carry out the grinding operation.

In addition, according to the reciprocating blade polishing apparatus of the present invention, the grinding operation can be performed by fixing the grindstone-shaped polishing pad in the past.

1 is a perspective view of a reciprocating blade polishing apparatus according to an embodiment of the present invention;
2 is a front view of a reciprocating blade polishing apparatus according to an embodiment of the present invention;
3 is an exploded perspective view of a reciprocating blade polishing apparatus according to an embodiment of the present invention;
4 is a use state diagram of a reciprocating blade polishing apparatus according to an embodiment of the present invention.
5 is a use state diagram of a reciprocating blade polishing apparatus according to another embodiment of the present invention.
6 is a use state diagram of a reciprocating blade polishing apparatus according to another embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings. It is to be understood, however, that the embodiments described below are only for explanation of the embodiments of the present invention so that those skilled in the art can easily carry out the invention, It does not mean anything. In describing various embodiments of the present invention, the same reference numerals are used for components having the same technical characteristics.

Example

FIG. 1 is a perspective view of a reciprocating blade polishing apparatus according to an embodiment of the present invention, FIG. 2 is a front view of a reciprocating blade polishing apparatus according to an embodiment of the present invention, and FIG. 3 is a cross- Fig. 2 is an exploded perspective view of a reciprocating blade polishing apparatus according to the present invention.

1 to 3, a reciprocating blade polishing apparatus (hereinafter referred to as 'polishing apparatus') 100 according to an embodiment of the present invention includes a base frame 200, At least one magnetic body 400 provided on the upper side of the front end of the base frame 200 and a guide frame 300 interposed between the base frame 200 and the guide frame 300 And at least one support member (500) for supporting the guide frame (300).

Here, the base frame 200 may be, for example, in the form of a rectangular plate having a predetermined thickness and a length greater than the width, and is seated on the work floor or work table. The pedestal 210 may be provided at each corner of the bottom surface of the base frame 200 to absorb vibrations, absorb shocks, and prevent slippage.

At least one magnetic body 400 is provided on the upper side of the front end of the base frame 200. This magnetic body 400 is for supporting an object to be polished such as a knife or scissors, and the object to be polished is coupled to the magnetic body 400 by a magnetic force.

On the upper side of the base frame 200, a pair of first slide grooves 220 are formed which extend in the longitudinal direction and are spaced apart from each other in the width direction of the base frame 200.

The magnetic bodies 400 are respectively coupled to the first slide grooves 220 by fasteners such as bolts and spring nuts so that the respective magnetic bodies 400 are slidably moved along the first slide grooves 220 After that, it can be fixed with a fastener.

A first support bracket 610 is formed at the rear end of the magnetic body 400 and includes a horizontal portion 611 and a vertical portion 612 to be bent in an 'a' shape. The first support bracket 610 serves to support the object to be polished coupled to the magnetic body 400 so as not to be pushed backward during the polishing operation.

The first support bracket 610 is coupled to the upper surface of the base frame 200 by fasteners such as bolts and spring nuts fastened to the first slide grooves 220, The bracket 610 may be slid to an appropriate position and fixed with a fastener.

The first supporting bracket 610 may be connected to the first slide groove 220 at an angle to the curved shape of the curved line, 200 are disposed horizontally close to each other, it is possible to prevent damage such as crushing of the cutting edge during polishing.

At least one support member 500 is provided at the rear of the first support bracket 610. The support member 500 supports the bottom surface of the guide frame 300, which will be described later, and is preferably made of an elastic material such as rubber for absorbing shocks and noise generated during the polishing operation.

The support member 500 is fastened to the first slide groove 220 by a fastener such as a bolt and a spring nut so that the support member 500 can be slid to an appropriate position along the first slide groove 220 and fixed to the fastener .

The guide frame 300 is hinged to the upper side of the base frame 200. The guide frame 300 may be formed in the shape of a rectangular plate having a predetermined thickness and a length greater than the width. The guide frame 300 may be spaced rearward from the first support bracket 610 by a predetermined distance, .

For example, as shown in the drawings, the base frame 200 and the guide frame 300 may be hinged to each other by a hinge 230 so as to be rotatable.

Accordingly, the guide frame 300 may be rotated about the hinge-coupled front end and the rear end thereof may be rotated upward to be inclined at a predetermined angle with respect to the base frame 200. When the support member 500 described above supports the guide frame 300 The inclination angle of the guide frame 300 can be maintained even during the polishing operation.

The angle of inclination of the guide frame 300 relative to the base frame 200 increases as the support member 500 is moved in the direction of the hinge 230. By adjusting the inclination angle of the guide frame 300, The polishing angle can be adjusted.

A pair of second slide grooves 310 are formed on the upper side surface of the guide frame 300 so as to be elongated in the longitudinal direction and spaced apart from each other in the width direction of the guide frame 300. A ball socket joint 700 are provided.

At this time, the ball socket joint 700 may be moved to a proper position along the second slide groove 310 and then fixed. To this end, a disc-shaped moving block 710 is fastened to the second slide groove 310 by fasteners such as bolts and spring nuts, and the ball socket joint 700 is coupled to the upper side of the moving block 710 .

The guide bar 800 is coupled through the ball 720 of the ball socket joint 700. The guide bar 800 may be formed in the shape of a lead screw having a threaded shape along the outer circumferential surface. The guide bar 800 may be movable in the forward and backward directions with respect to the ball socket joint 700, It can rotate.

And the polishing tool 900 is coupled to the front end of the guide bar 800. [ The polishing tool 900 may be in the form of a hexahedron or a polyhedron bar having a length longer than the width of the octahedron.

A polishing pad 910 such as a grinding stone or sandpaper is attached to the outer surface of the polishing tool 900. A cylindrical handle 920 is extended at the front end of the polishing tool 900, A threaded groove 930 for coupling with the screw 800 is formed.

That is, the polishing tool 900 is screwed to the front end of the guide bar 800 and moves together with the guide bar 800 in the forward and backward direction with respect to the ball socket joint 700 or around the ball socket joint 700 It can rotate.

A pair of elastic members 810 are provided on the outer circumferential surface of the guide bar 800 on both sides of the ball socket joint 700. The elastic member 810 may be a coil spring, And the width of the portion is made larger than the width of both ends.

At the front end of the guide bar 800, a coupling nut 830 is screwed between the pair of first rubber rings 820. At this time, the first rubber ring 820 and the coupling nut 830 serve to firmly fasten the polishing tool 900 to the guide bar 800, and the pair of first rubber rings 820 serve as a pair of rubber rings, .

A first stopper 840 is screwed to the rear of the coupling nut 830 and a pair of second rubber rings 850 are disposed on both front and rear sides of the first stopper 840.

Here, the first stopper 840 serves to protect the user by restricting the backward distance of the polishing tool 900 during the polishing operation. The object to be polished is exposed to the direction of the handle 920 of the polishing tool 900 so that the user grasps the handle 920 and pushes the polishing tool 900 toward the ball socket joint 700, The lower knob 920 approaches the object to be polished. At this time, when the polishing tool 900 is excessively pushed, there is a danger that the user's hands may veil on the blade to be polished.

According to an embodiment of the present invention, an elastic member 810 is interposed between the first stopper 840 and the ball socket joint 700. When the polishing tool 900 is rotated in the direction of the ball socket joint 700 The push-down elastic member 810 is compressed. At this time, when the excessive abrasive tool is pushed, the first stopper 840 is caught on the front end of the compressed elastic member 810, and the abrasive tool 900 is no longer moved. Therefore, .

The second rubber ring 850 serves to prevent the first stopper 840 from coming off and to absorb the noise and shock caused by the contact between the elastic member 810 and the first stopper 840 .

At the rear end of the guide bar 800, a second stopper 870 is screwed between the pair of third rubber rings 860. The second stopper 870 serves to support the elastic member 810 while limiting the advancing distance of the polishing tool 900 during the polishing operation and the third rubber ring 860 serves to support the second stopper 870 And absorbs noise and impact due to the contact between the elastic member 810 and the second stopper 870.

The elastic member 810 interposed between the ball socket joint 700 and the second stopper 870 is moved backward by the resilient restoring force of the guide bar 800 advanced for polishing and the polishing tool 900 So that the polishing operation can be continuously and easily performed.

4 is a use state diagram of a reciprocating blade polishing apparatus according to an embodiment of the present invention.

Hereinafter, an operation example of the polishing apparatus 100 according to an embodiment of the present invention will be described with reference to FIGS. 1 to 4. FIG.

First, the object to be polished is placed on the magnetic body 400. At this time, the object is attached to the magnetic body 400 by a magnetic force, and the tip of the object (for example, a blade) is directed toward the front of the base frame 200 and the opposite corner And is supported on the vertical portion 612.

Next, the inclination of the guide frame 300 is adjusted in accordance with the blade polishing angle of the object, and the inclination angle of the guide frame 300 is fixed by moving the support member 500. At this time, the ball socket joint 700 may be moved according to the blade sharpening angle.

When the polishing tool 900 comes into contact with the cutting edge of the object at a desired polishing angle, the polishing tool 900 proceeds while reciprocating the polishing tool 900 in the forward and backward directions. At this time, it is preferable that the blade is strongly abraded by abutting against the object when the polishing mouth 900 moves forward, and when the force is released, the elastic force of the elastic member 810 causes the abrasive 900) is pushed back to its original position. Thereafter, the work of grinding the object is repeated while pulling back the reticle 900 which has returned to the original position.

At this time, the rearward movement distance of the polishing tool 900 is limited by the first stopper 840, and the forward movement distance of the polishing tool 900 is limited by the second stopper 870. Particularly, the first stopper 840 serves to prevent the user's hand from being injured by the cutting edge of the object.

5 is a use state diagram of a reciprocating blade polishing apparatus according to another embodiment of the present invention.

According to another embodiment of the present invention, an elastic member 810 may be embedded in the polishing tool 900 as shown in Fig.

At this time, the guide bar 800 passes through the ball 720 of the ball socket joint 700 and is fixed in a welding or a screw connection manner. That is, although the guide bar 800 can rotate together with the ball 720 of the ball socket joint 700, it is impossible to move the ball socket joint 700 in the forward and backward directions.

A hollow 940 is formed inside the polishing tool 900 and the front end of the guide bar 800 is inserted into the hollow 940 of the polishing tool 900. An elastic member 810 is disposed on the outer circumferential surface of the guide bar 800 inserted into the hollow 940 of the polishing tool 900. At this time, one end of the elastic member 810 is hooked on the hooking portion 880 extended on the front end of the guide bar 800 and the other end is hooked on the hook 910, 950).

The polishing tool 900 is slidable along the guide bar 800, and the elastic member 810 built in the polishing tool 900 is expanded and contracted. That is, when the polishing tool 900 is pulled forward, the elastic member 810 is compressed, and when the polishing tool 900 is released, the elastic force of the elastic member 810 pushes the polishing tool 900 toward the ball socket joint 700 .

Although not shown in the drawings, in the present embodiment, a stopper and a rubber ring are provided on the outer circumferential surface of the guide bar 800 for restricting the moving distance of the polishing tool 900 and for absorbing noise and shock, .

6 is a use state diagram of a reciprocating blade polishing apparatus according to another embodiment of the present invention.

According to another embodiment of the present invention, a pair of second support brackets 620, which include a horizontal portion 621 and a vertical portion 622 and are bent in an ' And is fastened to the second slide groove 310 by fastening means.

The pair of second support brackets 620 are for supporting a polishing pad 910 that is seated on the upper side of the guide frame 300. Each of the second support brackets 620 supports the polishing pad 910 in the longitudinal direction One end and the other end, respectively. At this time, instead of the polishing pad 910 provided with the abrasive such as the grinding stone or the sandpaper on the one surface, the conventional grindstone may be seated between the pair of the second supporting brackets 620.

Meanwhile, the user can adjust the distance between the pair of second support brackets 620 according to the standard (length) of the polishing pad 910. For example, along the second slide groove 310, the second support bracket 620 Are respectively slid to an appropriate position and then fixed to the fastening holes, so that the distance between the second support brackets 620 can be adjusted.

At this time, the pair of second support brackets 620 are arranged such that the vertical portions 622 of the pair of second support brackets 620 face each other at a predetermined distance on the guide frame 300, and both ends of the polishing pad 910, The vertical portion 622 of FIG.

The user can grind the blade of the object while reciprocating the object to be polished in the forward and backward directions after bringing the blade of the object to be polished into contact with the polishing pad 910 placed between the pair of second support brackets 620. [

The ball socket joint 700 and the guide bar 800 are moved and rotated to the rear side of the guide frame 300, and then the pair of gears 900, 2 shows an example of polishing an object by using a polishing pad 910 that is seated on the supporting bracket 620. Fig.

However, as another example, after separating the guide bar 800, the ball socket joint 700 and the sharpening tool 900 from the guide frame 300, only a pair of second support brackets 620 may be removed from the guide frame 300 300, and the polishing pad 910 may be seated therebetween. In this case, if necessary, the object may be polished by using the polishing tool 900 of the above-described embodiment in place of the polishing pad 910. [

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

100: polishing apparatus 200: base frame
220: first slide groove 300: guide frame
310: second slide groove 400: magnetic substance
500: support member 610: first support bracket
620: second support bracket 700: ball socket joint
800: Guide bar 810: Elastic member
830: Coupling nut 840: First stopper
870: second stopper 900:
910: Polishing pad 920: Handle portion

Claims

A base frame on which a polishing target is seated on one side;
A guide frame having one end hinged to the upper side of the base frame;
An abrasive pad provided with at least one polishing pad and polishing the abrasive object by reciprocating motion;
A guide bar spaced apart from an upper portion of the guide frame to guide a reciprocating motion direction of the polishing tool; And
And a ball socket joint vertically installed on the guide frame and through which the guide bar is inserted,
Wherein the guide bar is capable of reciprocating in the forward and backward directions of the guide frame with respect to the ball socket joint.

A base frame on which a polishing target is seated on one side;
A guide frame having one end hinged to the upper side of the base frame;
An abrasive pad provided with at least one polishing pad and polishing the abrasive object by reciprocating motion; And
And a guide bar spaced apart from an upper portion of the guide frame so as to guide a reciprocating motion direction of the polishing tool,
Wherein a front end of the guide bar is inserted into the hollow of the polishing tool and an elastic member is interposed in the outer peripheral surface of the front end of the guide bar inserted in the hollow, Device.

The method according to claim 1 or 2,
Further comprising: at least one magnetic body slidably coupled to the front side of the guide frame along the base frame and coupled with the object to be polished by a magnetic force.

The method according to claim 1 or 2,
Further comprising at least one support member slidably coupled to the upper side of the base frame and supporting the guide frame.

The method of claim 3,
Further comprising a first support bracket slidably coupled to the rear of the magnetic body along the base frame and supporting one side of the object to be polished.

The method of claim 2,
Further comprising a ball socket joint vertically installed on the guide frame and having the guide bar inserted therethrough.

The method according to claim 1,
Further comprising at least one elastic member interposed on an outer circumferential surface of the guide bar.

The method according to claim 1 or 2,
Further comprising a pair of second supporting brackets slidably coupled to the upper side of the guide frame.

The method according to claim 1 or 2,
Wherein the polishing tool is in the form of a polyhedron and the grip portion is extended at the front end.