KR200339790Y1 - frame for pallet box - Google Patents

Abstract

The present invention discloses a knife grinder.

The knife grinder according to the present invention includes a fixed case having an upper surface and one side open and a supporting member at a lower portion thereof, a cover having a hole for entering a blade by shielding an upper surface of the fixed case, and the fixed case. A motor provided with a movable case which is movable while covering one side of the motor; Left and right grinding wheels fixed through the two-stage driving pulleys of the motor and driven pulleys respectively connected by belts, one end of which is connected to the fixing case, and the other end of which is connected to the moving case, The polishing wheel is composed of an elastic member for elastically moving toward the right polishing wheel fixed to the fixed case.

The knife grinder constructed and operated as described above can maintain the gap between the left and right grinding wheels at an optimal position through a simple configuration of connecting the moving case and the fixed case using the elastic force of the elastic member.

Therefore, the performance degradation of the product due to the wear of the left and right abrasive wheels can be improved, thereby providing a useful effect of improving the reliability and extending the life of the product.

Description

Knife Grinder {frame for pallet box}

The present invention relates to an electric knife grinder, and more particularly, to a knife grinder that can secure the grinding operation of the knife while increasing the ease of use by maintaining a proper distance between the pair of grinding wheels.

In general, if you use the excessively used to cut kitchen knives or fruits used in the kitchen for a long time, the blade becomes dull and the knife is hard to lift. The blades are moved upright, or the blades are sandwiched between the fixed cylindrical rods on both sides, and the blades are polished while moving back and forth. The skill of the required, and also the risk of safety accidents are high, there is a problem that most of the uneconomical closure to replace the knife.

In order to improve this problem, conventionally, a knife grinder has been proposed that rotates a pair of grinding wheels using a driving source and enters a blade between them to raise the blade. However, the knife grinder is no longer used when the grinding wheel is worn. There was a problem that can not perform a function as a short lifespan.

The present invention is devised to solve the above problems, an object of the present invention is to provide a knife grinder to ensure the performance and life of the product to ensure the proper interval of a pair of polishing wheels.

1 is a perspective view showing a knife grinder according to the present invention,

FIG. 2 is a schematic view showing the inside of FIG. 1; FIG.

3 is a perspective view of main parts of FIG. 2;

4 is a plan sectional view showing the configuration of the knife grinder of FIG.

5 is an exploded perspective view showing the case of FIG.

<Explanation of symbols for the main parts of the drawings>

10: knife grinder 10a: cover

10b: support portion 11: moving case

12: fixed case 11a, 12a: bracket

20, 30: left and right abrasive wheels 25, 35: driven pulleys

40: motor 45: two-stage drive pulley

b: Bearings: Elastic member (coil spring)

v: belt

Knife grinder according to the present invention for realizing the above object, the upper surface and one side is open and the lower fixed case provided with a support; A cover formed with a hole to allow the blade to enter by shielding the upper surface of the fixed case; A moving case provided to be movable while covering one side of the fixed case; A motor provided inside the fixed case and having a two-stage driving pulley connected to two belts on a rotating shaft; Left and right abrasive wheels fixed to the fixed case and the moving case by brackets and having a two-step driving pulley of the motor and a driven pulley respectively connected by a belt; One end is connected to the fixed case, and the other end is connected to the moving case, characterized in that the left grinding wheel fixed to the moving case is composed of an elastic member to elastically move toward the right grinding wheel fixed to the fixed case.

One preferred feature of the present invention is that the elastic member is a coil spring.

Hereinafter, with reference to the accompanying drawings illustrating a preferred embodiment of a knife grinder according to the present invention.

1 is a perspective view showing a knife grinder according to the present invention, Figure 2 is a schematic view showing the inside of Figure 1, Figure 3 is a perspective view of the main part of FIG.

4 is a plan sectional view showing the configuration of the knife grinder of FIG. 1, and FIG. 5 is an exploded perspective view showing the case of FIG.

As shown therein, the knife grinder 10 according to the present invention includes a case which largely forms an outer body, and a pair of left and right polishings which are provided in the case to substantially polish the blade and are provided in a substantially cylindrical shape. The distance between the wheels 20 and 30 and the motor 40 that provides driving force to the left and right polishing wheels 20 and 30 and the pair of left and right polishing wheels 20 and 30 is determined. It is composed of an elastic member (s) that is always kept constant.

The case is composed of a fixed case 12, a moving case 11 and the cover 10a, the fixed case 12 is provided in an open shape with an upper surface and one side to be positioned at a predetermined height from the ground on the lower side It is a structure in which the supporting portion 10b is integrally provided. The case is provided in a substantially box form.

In addition, the moving case 11 is provided in a form of shielding one open side of the fixed case 12 as described above and is provided to be movable into the fixed case 12. That is, the moving case 11 is provided with a size that can be accommodated in the fixed case 12.

This moving case 11 is provided in a substantially plate shape. The cover 10a is a member for shielding the open upper surface of the fixing case 12 as described above, and a hole for allowing the blade to enter the center of the pair of left and right polishing wheels 20 and 30 to be described later. This is the structure that is formed.

The left and right abrasive wheels 20 and 30 are provided with abrasives on the surface of the wheels. At this time, as the abrasives, crystals of molten alumina, artificial corundum (corundum) and carverundum are prepared and crushed and laid. (精 粒) or diamond, alumina, pomegranate and the like can be used.

In the left and right polishing wheels 20 and 30, the left polishing wheel 20 is fixed to the moving case 11 by a bracket 11a, and the right polishing wheel 30 is fixed in the opposite direction. The case 12 is fixed to the bracket 12a. These left and right polishing wheels 20 and 30 are supported by the respective bearings (b) and (b), as shown in the drawings, are rotatably provided, and one side of the belt (v) can be wound. The driven pulleys 25 and 35 are each provided with a unitary structure.

That is, although the pair of left and right polishing wheels 20 and 30 are not shown, shafts that are integrally rotated to one side thereof are connected, and the shafts are rotatably supported by the bearing b. And, as shown in the figure the end of the shaft driven pulley (25, 35) is a structure that is connected to rotate integrally.

The left and right polishing wheels 20 and 30 configured as described above are arranged to be adjacent to each other, and the blades enter between these left and right polishing wheels 20 and 30 to perform polishing.

The left and right polishing wheels 20 and 30 are connected to each of the driven pulleys 25 and 35 by a two-stage drive pulley 45 and a belt v of the motor 40 to be described later. Rotation is achieved by receiving the driving force.

The motor 40 is a driving source for rotating the left and right polishing wheels 20 and 30 at a constant speed by receiving power from the outside. In the present invention, the left and right polishing wheels 20 and 30 are provided. It is located on the lower side of the) is configured to be fixed on the fixed case (12). The motor 40 is connected to the two-stage drive pulley 45 that is integrally rotated on the rotation axis, wherein the two-stage drive pulley 45 is the left and right polishing wheels 20, 30 described above The driven pulleys (25) and (35) of the two belts (v) are each connected to transmit the rotational force.

On the other hand, the elastic member (s) is to connect the moving case 11 and the fixed case 12 to each other, is provided in the form of a coil spring, one end thereof is connected and fixed inside the moving case (11) The other end is connected to the inner end of the fixing case 12.

That is, both ends of the elastic member s are connected to and fixed to opposite surfaces of the mobile case 11 and the fixed case 12, as shown in the drawing, thereby moving the mobile case 11 to the fixed case 12 side. It acts to move. Through this action, the left polishing wheel 20 fixed to the moving case 11 is moved toward the right polishing wheel 30 fixed to the fixed case 12.

Knife grinder 10 according to the present invention is configured as described above, by the elastic member (s) by the configuration in which the moving case 11 and the fixed case 12 are connected to each other by the elastic member (s). The moving case 11 receives an elastic force to be moved to the fixed case 12 side.

Therefore, when the left polishing wheel 20 fixed on the moving case 11 and the right polishing wheel 30 fixed on the fixed case 12 are worn out, the elastic member s even if the gap is widened. Since the moving case 11 is moved toward the fixed case 12 by the elastic force of), as a result, the distance between the left polishing wheel 20 and the right polishing wheel 30 is always constant, that is, to maintain contact with each other. Therefore, it is possible to solve the gap phenomena due to the wear of the left and right abrasive wheels 20, 30, so that the knife grinder 10 can be used semi-permanently.

The present invention is not limited to the embodiments described, it is apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. Therefore, such modifications or variations will have to belong to the utility model registration claims of the present invention.

The knife grinder constructed and operated as described above can maintain the gap between the left and right grinding wheels at an optimal position through a simple configuration of connecting the moving case and the fixed case using the elastic force of the elastic member.

Therefore, the performance degradation of the product due to wear of the left and right abrasive wheels can be improved, thereby providing a useful effect of improving the reliability and extending the life of the product.

Claims (2)

A fixing case 12 having an upper surface and one side open and having a support portion 10b therein; A cover (10a) formed with a hole to enter the blade by shielding the upper surface of the fixed case (12); A moving case 11 provided to be movable while covering one side of the fixed case 12; A motor 40 provided in the fixed case 12 and having a two-stage drive pulley 45 connected to two rotational belts v; The driven pulley is fixed on the fixed case 12 and the moving case 11 through brackets 12a and 11a and connected to the second stage drive pulley 45 of the motor 40 by a belt v, respectively. Left and right polishing wheels 20 and 30 provided with 25 and 35; The right polishing wheel 30 having one end connected to the fixed case 12 and the other end connected to the moving case 11 so that the left polishing wheel 20 fixed to the moving case 11 is fixed to the fixed case 12. An elastic member (s) which is elastically moved toward the side; Knife grinder, characterized in that consisting of. The knife grinder according to claim 1, wherein the elastic member (s) is a coil spring.