JP6850561B2 - Cutlery polishing equipment and polishing method - Google Patents

Description

The present invention relates to an apparatus for polishing cutlery such as knives, forks and spoons, and more particularly to a cutlery polishing apparatus suitable for mirror polishing a curved surface to be polished such as a scoop portion such as a spoon or fork.

High-grade spoons made of silver and other high-grade cutlery often have mirror-polished parts on the scoop and blade. Such high-grade cutlery may be re-polished and reused if it is damaged by year-round use. Such polishing work is generally performed manually using an abrasive or a polishing cloth.

As a general cutlery polishing method and polishing device, a buff polishing method and the device are general-purpose. For example, as shown in Patent Document 1, an object to be polished such as a spoon is provided between a pair of rotating upper and lower baflors. Is arranged, the front and back surfaces of the object to be polished as the surface to be polished are sandwiched by the outer peripheral surface of each baflor, and each baflor is reciprocated in the front-rear direction in the direction intersecting the axial direction of the baflor, and each baflor is moved back and forth. It is configured to shake in the left-right direction in the axial direction of the baflor, and buff polish by the three combined actions of mutual rotation of each baflor, reciprocating forward and backward movement of each baflor, and left-right shaking motion of each baflor. It has been known.

Jikken 3-47819 Gazette

An object of the present invention is to provide a cutlery polishing device and a polishing method capable of easily polishing a large number of cutlery at one time by mechanizing the above-mentioned re-polishing work of a high-grade spoon or other high-grade cutlery which has been conventionally performed manually. ..

The configuration of the present invention that achieves the above object is as follows.

(1) The cutlery polishing method according to claim 1 comprises means of fixing an object to be polished such as a spoon to a rotating disk with a jig having a variable mounting angle and rotating it in a polishing liquid.

(2) The cutlery polishing method according to claim 2 is the polishing method according to claim 1, characterized in that the turntable is rotated in the forward and reverse directions.

(3) The invention according to claim 3 is a cutlery polishing apparatus that implements the polishing method according to any one of claims 1 and 2, and can attach a polishing liquid storage tank and an object to be polished at a variable angle. It is composed of a turntable equipped with a jig and capable of forward and reverse rotation, and a drive device for rotating the turntable.

(4) The invention according to claim 4 is the cutlery polishing apparatus according to claim 3, wherein a hole is provided in the rotating disk and a columnar body is erected adjacent to the hole, and the cutlery is columnar and has a side wall outer circumference. A plurality of recesses capable of fitting a columnar body were provided in the space, and a jig provided with a notch capable of fitting a cutlery was provided.

(5) The invention according to claim 5 is the cutlery polishing apparatus according to claim 3, wherein a hole is provided in the rotating disk and a columnar body is erected adjacent to the hole, and the cutlery is columnar and has a side wall outer circumference. A pair of ring-shaped bodies made of a hard material, which are provided with a plurality of recesses into which a columnar body can be fitted and have polygonal holes, and a columnar body having a polygonal cross section and a polygonal hole. A jig is provided, which is provided with a portion, can be fitted into a hole of a ring-shaped body, and is composed of a holding member made of a soft material.

How the present invention configured as described above works to solve the problem will be outlined with reference to the drawings.

As shown in FIG. 3, a plurality of holes 11 are provided in the turntable 10, and the cutlery 2 held by the jig 30 is inserted from the holes 11. At this time, the jig 30 is fixed to the turntable 10 by fitting the recess 31 provided on the outer periphery of the side wall of the jig 30 into the columnar body 12.

Since a plurality of holes 11 are provided, a plurality of jigs 30 can be mounted, that is, a plurality of cutlery can be polished at one time.

Further, since a plurality of recesses 31 are provided along the outer periphery of the side wall, the mounting angle of the cutlery 2 held by the jig 30 can be changed by replacing the recesses 31 into which the columnar body 12 fits.

FIG. 2 shows a state in which the cutlery 2 is attached to the cutlery polishing apparatus 1 according to the present invention. The polishing liquid is stored in the polishing liquid storage tank 20, and the cutlery 2 moves in the polishing liquid by the rotation of the turntable 10, so that the surface is polished.

At this time, by changing the mounting angle of the cutlery, it is possible to more effectively bring the polishing liquid into contact with the cutlery scoop 2a, that is, a curved portion such as a spoon pot or a fork scoop. That is, as shown in FIG. 4A, the mounting angle is set as shown in FIG. 4B as compared with the case where the cutlery is mounted on the jig at a position where the flow of the polishing liquid indicated by the arrow and the scoop portion 2a are substantially parallel to each other. If it is changed, the contact surface between the polishing liquid and the scoop portion 2a becomes large. In other words, polishing becomes possible more effectively.

Furthermore, by rotating the turntable in the forward and reverse directions, the polishing liquid efficiently abuts on both the front surface and the back surface of the scoop portion 2a as shown by the arrow in FIG. 4B, that is, effective polishing becomes possible. ..

Configuration diagram of the cutlery polishing apparatus according to the present invention Perspective view of the cutlery polishing apparatus according to the present invention Explanatory drawing of the turntable Explanatory drawing showing the relationship between the polishing liquid and the scoop Perspective view of the jig according to claim 4. Configuration diagram of the jig according to claim 5. Same, perspective view Same, perspective view with cutlery equipped

Hereinafter, one embodiment of the preferred invention will be outlined with reference to the drawings. The embodiments of the present invention are not limited to the following embodiments, and various embodiments may be adopted as long as they belong to the technical scope of the present invention.

FIG. 1 is a configuration diagram of a cutlery polishing apparatus 1 according to the present invention.

The polishing liquid storage tank 20 is a container having a columnar body 21 inside, and the columnar body 21 is equipped with a motor 22 as a drive source for rotating the turntable 10.

The rotating shaft 22a connected to the motor 22 is loosely inserted into the hole 21a provided at the top of the cylindrical body 21. A columnar rotating body 23 is fixed to the shaft 22a protruding to the outside of the columnar body 21. A convex portion 23a is provided on the top of the rotating body 23.

A rubber cover 40 is fitted in the polishing liquid storage tank 20. The cover 40 prevents the polishing liquid from leaking and also prevents the rotating cutlery from colliding with the polishing liquid storage tank 20 and causing damage.

The cover 40 is formed in a shape substantially similar to the inner surface of the polishing liquid storage tank 20, and the internal columnar body 41 is put on the columnar body 21 and the rotating body 23. The top portion 42 of the cylindrical body 41 is provided with a hole portion 42a having a shape so that the convex portion 23a can be projected to the outside.

The convex portion 23a protruding from the hole portion 42a is fitted into the hole portion 13 provided in the center of the turntable 10. Along with the rotation of the motor 22, the shaft 22a and the rotating body 23 rotate, so that the rotating disk 10 to which the convex portion 23a of the rotating body 23 is fitted rotates. By rotating the motor 22 in the forward and reverse directions, the turntable 10 also rotates in the forward and reverse directions.

The polishing liquid is filled in the polishing liquid storage tank 20, or more accurately, the cover 40 fitted in the polishing liquid storage tank 20. As the polishing liquid, existing ones can be used, and specifically, a polishing liquid composed of abrasive grains, water, rubber, fibers such as natural fibers and chemical fibers, and the like can be used.

The turntable 10 can be equipped with a jig to which an object to be polished can be attached at a variable angle. Any form of jig can be adopted as long as it can hold the object to be polished at a variable angle. For example, a cylinder that penetrates the turntable 10 and is rotatably fitted with a notch on the lower surface of the cylinder into which a cutlery handle can be fitted, and a suspension member is provided on the upper portion of the hole 11 to suspend the cutlery. Any jig that can arbitrarily set the contact angle between the cutlery scoop and the polishing liquid, such as a rotating body attached to a member and a cutlery handle that can be fitted into the rotating body. It doesn't matter if it is something like.

FIG. 5 shows the jig 30 according to claim 4. The jig 30 is composed of a hollow ring-shaped body 32 having a plurality of recesses 31 on the side wall, and a cylindrical body 33 fitted in the hollow portion of the ring-shaped body 32. The ring-shaped body 32 is made of a hard material such as acrylic resin. The columnar body 33 is made of a soft material such as silicon rubber. The columnar body 33 is provided with a notch 34 that penetrates the columnar body 33 in the vertical direction. The notch 34 is provided with various lengths. This is because cutlery with different widths can be inserted and held.

6 to 8 show the jig 40 according to claim 5. The jig 40 is composed of a pair of upper and lower ring-shaped bodies 41 and a holding member 42 which is a polygonal pillar body.

The ring-shaped body 41 has a polygonal hollow portion 41b in the center and a plurality of recesses 41a on its side wall, and is formed of a hard material such as acrylic resin.

The sandwiching member 42 is a polygonal pillar body, and has a polygonal cavity portion 42a in the center thereof, and is made of a soft material such as silicon rubber.

FIG. 7 shows a state in which the holding member 42 is fitted into the cavity portion 41b of the pair of ring-shaped bodies 41. In this state, when the cutlery 2 is inserted into the cavity portion 42a and the pair of ring-shaped bodies 41 are rotated in opposite directions, the holding member is made of a soft material, so that the cavity portion 42a is crushed. As shown in FIG. 8, the cutlery 2 is sandwiched. In this state, the jig 40 is fixed to the rotating disk 10 by fitting the recess 41a into the columnar body 12 provided on the rotating disk 10.

10 ... Rotating disk 11 ... Hole 12 ... Columnar body 20 ... Abrasive liquid storage tank 21 ... Cylindrical body 22 ... Motor 23 ... Rotating body
30 ... Jig 31 ... Recess 40 ... Jig

Claims (2)

In a cutlery polishing apparatus equipped with a polishing liquid storage tank, a jig capable of attaching a object to be polished at a variable angle, a rotating disk that can rotate forward and reverse, and a driving device that drives the rotating disk to rotate.
A hole was provided in the turntable and a columnar body was erected adjacent to the hole.
As a jig to which the object to be polished can be attached at a variable angle, a jig having a columnar shape and a plurality of recesses capable of fitting a columnar body on the outer circumference of the side wall and a notch for fitting a cutlery was provided. ,
A cutlery polishing device characterized by. In a cutlery polishing apparatus equipped with a polishing liquid storage tank, a jig capable of attaching a object to be polished at a variable angle, a rotating disk that can rotate forward and reverse, and a driving device that drives the rotating disk to rotate.
A hole was provided in the turntable and a columnar body was erected adjacent to the hole.
As a jig to which the object to be polished can be attached at a variable angle, a plurality of recesses which are columnar and can be fitted with a columnar body are provided on the outer periphery of the side wall, and polygonal holes are provided and formed of a hard material. It is composed of a pair of ring-shaped bodies, a pillar body having a polygonal cross section, a polygonal hole portion, a fitting member that can be fitted into the hole portion of the ring-shaped body, and a holding member formed of a soft material. Having a jig,
A cutlery polishing device characterized by.

Images