JP2018075644A - Cutter grinding device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a versatile cutter grinding device capable of changing roughness of a grinding surface according to compatibility with a kitchen knife, and exchanging only a grinding surface part in accordance with the state of wear or the like.SOLUTION: In a cutter grinding device 1 including a flat plate member 2, and a polishing sheet 3 stacked on the surface 2a of the flat plate member 2, a position of the polishing sheet 3 is fixed relative to the flat plate member 2 by surface tension of water, by inserting water between the flat plate member 2 and the polishing sheet 3.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a knife sharpening device capable of exchanging a polished surface by compatibility with a knife such as a knife.

  Conventionally, various types of grindstones have been used in order to maintain the degree of cutting of a blade such as a knife. In general, when selecting a grindstone, it is important to select one that is compatible with the knife, or one that is suitable for the desired finish.For example, a steel knife is basically harder. If it is a grindstone or a stainless steel knife, it is said that a soft grindstone is suitable, and if it is a ceramic knife, a diamond grindstone is suitable. And nowadays, various knife sharpening devices for sharpening a knife more easily have been proposed in place of such a grindstone.

  For example, in Patent Document 1, it is a grindstone that can sharpen a knife without using water, and can be made to any size with a material such as cloth file, wood, adhesive, etc. that are close to the blade. A waterless combination whetstone is disclosed.

  On the other hand, in view of the fact that the work of sharpening knives is unfamiliar to ordinary people and it is difficult to sharpen knives sufficiently and efficiently, grindstones that assist the work of sharpening knives have also been proposed.

  For example, Patent Document 2 discloses a double-sided whetstone with a slider that enables a housewife to finish a sharp knife that fits quickly into the skin of a tomato simply by placing the knife on a slider and sliding back and forth. That is, in this technology, a thin groove is provided on the center line on both sides of the plastic plate, and a detachable metal plate slider with a saddle that can move back and forth across the grindstone along the groove is provided.

  Furthermore, in Patent Document 3, the blade is fixed on the cradle, and by simply moving the abrasive holder in contact with one point in a line with the cutting edge of the blade and the roller at the tip of the abrasive holder in the front-rear direction, A blade sharpening device capable of sharpening a blade is disclosed.

Japanese Utility Model Publication No. 2-94069 JP 2005-2119202 A JP 2005-254438 A

  However, since the roughness of sharpening cannot be varied depending on the compatibility with a knife such as a knife, it has not been possible to widely use a wide variety of sharpening actions. In addition, abrasion of the sharpened surface due to use cannot be avoided, and durability has a limit.

  The present invention has been made in view of such a problem, and the roughness of the polished surface can be varied by compatibility with a knife such as a knife, and only the polished surface portion is replaced in accordance with the situation such as wear. An object of the present invention is to provide a versatile blade sharpening device as possible.

  In order to solve the above problems, a sharpening device according to a first aspect of the present invention includes a flat plate member and a polishing sheet laminated on a surface of the flat plate member, and the flat plate member and the polishing sheet By putting water in between, the polishing sheet is fixed in position with respect to the flat plate member by the surface tension of the water.

  Here, in such a first aspect, the flat plate member is provided with a suction hole penetrating from the surface to the bottom surface, and the flat plate member is laminated with the polishing sheet on the surface of the flat plate member. A suction cup member is further provided that is attracted to the bottom surface so as to suck the suction hole of the member from the bottom surface side. A leg member higher than the height of the suction cup member is further provided on the bottom surface side of the flat plate member. As the polishing sheet, at least one of a rough polishing sheet, a medium polishing sheet, a finishing polishing sheet, and a diamond polishing sheet can be used.

  The blade sharpening device according to the second aspect of the present invention includes a rod-shaped member having a hollow inside and a cylindrical polishing sheet that covers the surface of the rod-shaped member, and the rod-shaped member penetrates to the inside. A suction hole is provided, and the polishing sheet is attached to one end of the rod-shaped member in a state where the rod-shaped member is covered with the polishing sheet, thereby fixing the position of the polishing sheet with respect to the rod-shaped member.

  Here, in such a 2nd aspect, a grip part is provided in the part which is not coat | covered with the said abrasive sheet of the said rod-shaped member. As the polishing sheet, at least one of a rough polishing sheet, a middle polishing sheet, a finishing polishing sheet, and a diamond polishing sheet can be used.

  According to the present invention, the roughness of the polishing surface can be varied depending on the compatibility with a knife such as a knife or corresponding to the desired finish, and only the polishing surface portion can be replaced according to the situation such as wear. A knives sharpening device can be provided.

It is a lineblock diagram of a blade sharpening device concerning a 1st embodiment of the present invention. It is a block diagram of the blade sharpening apparatus which concerns on 2nd Embodiment of this invention.

  Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

<First Embodiment>

  In FIG. 1, the structure of the blade sharpening apparatus which concerns on 1st Embodiment of this invention is shown and demonstrated.

  As shown in the figure, the blade sharpening device 1 includes a flat plate member 2 and a polishing sheet 3 laminated on the surface 2 a of the flat plate member 2. And by putting a small amount of water between the flat plate member 2 and the polishing sheet 3, the polishing sheet 3 can be fixed in position with respect to the surface 2a of the flat plate member 2 by the surface tension of the water. ing. In order to correspond to a so-called clam blade, the surface 2a may be a gently curved surface.

  The flat plate member 2 is provided with a plurality of suction holes 6 penetrating from the surface 2a to the bottom surface 2b, and the suction holes 6 of the flat plate member 2 are arranged on the bottom surface in a state where the polishing sheet 3 is laminated on the surface 2a of the flat plate member 2. The suction cup members 5a and 5b are further provided to be attracted to the bottom surface 2b so as to be sucked from the 2b side. The flat plate member 2 further includes a plurality of leg members 4a to 4f higher than the height of the suction cup members 5a and 5b on the bottom surface 2b side. The leg portions 4a and 4b and the leg portions 4c and 4d may be integrally provided in a plate shape.

  As the polishing sheet 3, at least one of a rough polishing sheet, a medium polishing sheet, a finishing polishing sheet, and a diamond polishing sheet can be used.

More specifically,
・ For roughing: particle size 120-800 (microns)
・ For center sharpening: Particle size 1000-3000 (micron)
・ For finishing: particle size 4000-10000 (micron)
The polishing sheet can be employed. As the abrasive grains, white alumina oxide, diamond, carborundum, green carborundum and the like can be adopted. These fine particle abrasives are coated on a base material by, for example, an electrostatic coating method or the like, thereby realizing abrasiveness.

  The flat plate member 2 is formed by using a material resistant to rust or a hard material capable of maintaining the shape of the main body itself by coating into an arbitrary shape and size.

  When the leg members 4a to 4f are not used, the flat plate member 2 is cut out by the height of the suction cup members 5a and 5b to provide a recessed portion, thereby ensuring the installation stability.

  In such a configuration, at the time of use, a small amount of moisture is applied to the flat plate member 2, and the polishing sheet 3 is fixed in position using the surface tension of water. When the grain size to be polished is coarse (large), sucker members 5 a and 5 b are used from below the flat plate member 2, a vacuum state is created, and the polishing sheet 3 is fixed by applying a negative pressure through the suction hole 6.

  As described above, according to the first embodiment of the present invention, the flat plate member 2 and the polishing sheet 3 laminated on the surface 2 a of the flat plate member 2 are provided, and between the flat plate member 2 and the polishing sheet 3. A blade sharpening device is provided in which the polishing sheet 3 is fixed with respect to the flat plate member 2 by the surface tension of the water by adding water.

  Here, the flat plate member 2 is provided with suction holes 6 penetrating from the front surface 2a to the bottom surface 2b, and in the state where the polishing sheet 3 is laminated on the front surface 2a of the flat plate member 2, the suction holes 6 of the flat plate member 2 are formed. Suction cup members 5a and 5b that are attracted to the bottom surface 2b so as to be sucked from the bottom surface side 2b are further provided. Leg members 4a to 4f higher than the height of the suction cup members 5a and 5b may be further provided on the bottom surface 2b side of the flat plate member 2. As the polishing sheet 3, at least one of a rough polishing sheet, a medium polishing sheet, a finishing polishing sheet, and a diamond polishing sheet can be used.

  Therefore, according to the first embodiment, the following effects are exhibited.

  First, since the polishing sheet can be fixed to the flat plate portion only with water and air without using a special fixing method such as an adhesive, foreign substances such as an adhesive adhere when sharpening a knife, It is possible to prevent a situation in which food is mixed.

  Secondly, in the conventional grindstone, only the center portion of the polishing surface is worn and cannot be used due to the sharpening action, but in the present invention, only the polishing sheet can be replaced, so it is necessary to replace the main body itself. There is no economic.

  Third, since only the polishing sheet is replaceable, various polishing members such as rough polishing, intermediate polishing, finish polishing, and diamond polishing need not be prepared.

  Fourth, in general, an artificial grindstone needs to be immersed in water for about 30 minutes before use, but in this embodiment, this is not necessary.

  Fifth, in the conventional blade sharpening device, there is a possibility of shortening the life of the kitchen knife because it becomes vertical sharpening. However, in this embodiment, there is no such thing.

Second Embodiment

  In FIG. 2, the structure of the blade sharpening apparatus based on 2nd Embodiment of this invention is shown and demonstrated.

  As shown in FIG. 1, the blade sharpening device 10 includes a rod-like member 11 having a hollow inside and a cylindrical polishing sheet 17 that covers the surface of the rod-like member 11. The rod-like member 11 is provided with a suction hole 12 penetrating to the inside, and the suction member 14 is attached to one end of the rod-like member 11 in a state where the rod-like member 11 is covered with the abrasive sheet 17. Is fixed to the rod-shaped member 11.

  A grip portion 15 is provided on a portion of the rod-shaped member 11 that is not covered with the polishing sheet 17. A flange member 16 is provided at one end of the grip portion 15. The suction cup mounting member 13 is attached to the grip section 15 by screwing the screw groove 13a of the suction cup mounting member 13 to the thread 15a provided at the end of the grip section 15. The suction cup mounting member 13 is provided with a flat portion whose side opposite to the screwing side is perpendicular to the longitudinal direction of the rod-shaped member 11, and the suction cup member 14 is adsorbed to the flat portion.

  As the cylindrical polishing sheet 17, at least one of a rough polishing sheet, a medium polishing sheet, a finishing polishing sheet, and a diamond polishing sheet can be used.

  The rod-like member 11 is formed by molding a pipe-like material resistant to rust or a hard material with a coating to an arbitrary thickness. The upper part of the rod-shaped member 11 (the side opposite to the side where the suction cup member is mounted) is closed to create a vacuum state. The suction cup mounting member 13 is a replaceable part considering deformation due to dropping or the like. In addition, the grip portion 15 is devised so that the polished surface of the rod-shaped member 11 does not hit the hand.

  In such a configuration, in use, the rod-shaped member 11 is applied with a small amount of moisture, and the polishing sheet 17 is fixed using the surface tension of water. When the grain size to be polished is coarse (large), the suction cup member 14 is attached to one end of the rod-like member 11 to create a vacuum state, and negative pressure is applied to the polishing sheet 17 through the suction hole 12. , Fix. Therefore, the knife can be sharpened in the same manner as a conventional bar sharpener.

  As described above, according to the second embodiment of the present invention, the rod-like member having a hollow inside and the cylindrical polishing sheet covering the surface of the rod-like member are provided, and the rod-like member penetrates to the inside. There is provided a sharpening device for fixing the position of the polishing sheet to the rod-shaped member by attaching a suction cup member to one end of the rod-shaped member in a state where the rod-shaped member is covered with the polishing sheet. The

  Here, a grip portion 15 may be provided in a portion of the rod-shaped member 11 that is not covered with the polishing sheet 17. As the polishing sheet 17, at least one of a rough polishing sheet, a medium polishing sheet, a finishing polishing sheet, and a diamond polishing sheet can be selected.

  Therefore, according to the second embodiment, the following effects can be obtained.

  First, since the polishing sheet can be fixed to the flat plate portion only with water and air without using a special fixing method such as an adhesive, foreign substances such as an adhesive adhere when sharpening a knife, It is possible to prevent a situation in which food is mixed.

  Secondly, in the conventional grindstone, only the center portion of the polishing surface is worn and cannot be used due to the sharpening action, but in the present invention, only the polishing sheet can be replaced, so it is necessary to replace the main body itself. There is no economic.

  Third, since only the polishing sheet is replaceable, various polishing members such as rough polishing, intermediate polishing, finish polishing, and diamond polishing need not be prepared.

  Fourth, Western cooks and the like often use a bar-shaped sharpener, but the kitchen knife sharpening device according to this embodiment has the same shape, so a wide variety of cooks have become accustomed to it. It becomes possible to sharpen the knife with the method.

  Although one embodiment of the present invention has been described above, the present invention is not limited to this, and it is needless to say that various improvements and changes can be made without departing from the spirit of the present invention.

  For example, it is needless to say that the position of the polishing paper is fixed only by the surface tension of moisture and the suction cup member is not used.

  DESCRIPTION OF SYMBOLS 1 ... Blade sharpening apparatus, 2 ... Flat plate member, 3 ... Polishing sheet, 4 ... Leg member, 5 ... Suction cup member, 6 ... Suction hole, 10 ... Blade sharpening apparatus, 11 ... Bar-shaped member, 12 ... Suction hole, 13 ... Suction cup Mounting member, 14 ... suction cup member, 15 ... grip part, 16 ... scissors member, 17 ... polishing sheet.

Claims (7)

A plate member;
A polishing sheet laminated on the surface of the flat plate member,
A blade sharpening apparatus, wherein water is put between the flat plate member and the polishing sheet to fix the position of the polishing sheet with respect to the flat plate member by surface tension of the water. The flat plate member is provided with a suction hole penetrating from the surface to the bottom surface,
The suction cup member adsorbed on the bottom surface so as to suck the suction hole of the flat plate member from the bottom surface side in a state where the polishing sheet is laminated on the surface of the flat plate member. Blade sharpening device. The blade sharpening device according to claim 2, further comprising a leg member higher than a height of the suction cup member on the bottom surface side of the flat plate member. The blade according to any one of claims 1 to 3, wherein at least one of a rough polishing sheet, a medium polishing sheet, a finishing polishing sheet, and a diamond polishing sheet is used as the polishing sheet. Sharpening device. A hollow rod-shaped member inside,
A cylindrical polishing sheet covering the surface of the rod-shaped member,
The rod-shaped member is provided with a suction hole penetrating to the inside,
A blade sharpening device for fixing the position of the polishing sheet to the rod-shaped member by attaching the suction cup member to one end of the rod-shaped member in a state where the rod-shaped member is covered with the polishing sheet. The blade sharpening device according to claim 5, wherein a grip portion is provided on a portion of the rod-shaped member that is not covered with the polishing sheet. The blade sharpening device according to claim 5, wherein at least one of a rough grinding sheet, a middle sharpening sheet, a finishing sharpening sheet, and a diamond sharpening sheet is used as the polishing sheet.