JPH0636803U - Peripheral finishing device for ceramic body - Google Patents

Abstract

(57) [Abstract] [Purpose] When finishing the peripheral portion of the ceramic body, centering work of the base body is omitted, and a copying apparatus required for finishing the peripheral portion of the conventional ceramic body is provided. The purpose is to omit and simplify the finishing work. [Structure] An endless band made of a sponge is rotatably provided in a relaxed state, and a weight is provided inside a position below the endless band in sliding contact with the endless band.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a finishing device for a peripheral portion of a ceramic body such as a plate after being formed. The ceramic body to which the present invention is applied is applied not only to the body containing water but also to the dried body after bisque firing. The present invention is particularly suitable for the base material having a non-circular irregular shape such as an ellipse, a square, or an uneven contour of the base material, but is also applicable to the base material having a perfect circle.

[0002]

[Prior art]

 As this type of device, there is a device that finishes the peripheral part by rotating the sponge by the endless belt in a tensioned state and rotating the ceramic base while sliding the sponge on the peripheral part of the base. It is known (see Japanese Patent Publication No. 38-25994).

In this type of device, when the contour of the substrate is a perfect circle, the peripheral portion can be easily finished by rotating a sponge on the substrate which is rotated and simply sliding the sponge. As far as the substrate is concerned, there are few problems.

That is, in the case of a perfect circle, the sliding contact action of the sponge with respect to the substrate is only required to be made uniform at all times, and therefore the action means is easy.

However, when the contour of the base material has a contour such as an elliptical shape or a square shape, the endless belt is necessarily slid on the peripheral portion of the base material so as to correspond to the peripheral portion of the base material. There must be. For example, in the case of an elliptical substrate, the sliding contact action of the sponge is naturally different between finishing the peripheral portion of the large-diameter contour portion and finishing the peripheral portion of the small-diameter contour portion.

Therefore, in order to solve this problem, in addition to the peripheral finishing device for the ceramic base, a copying device corresponding to the contour of the base is provided, and the peripheral finishing device is linked to the copying device to drive the finishing device. There is known a device for finishing the peripheral portion of the base material by performing the above.

However, when the copying apparatus is installed side by side, there is a complexity that a mechanism such as a gauge or a cam of the copying apparatus has to be adopted corresponding to the base material of different form and type. In addition, there is a trouble that it is necessary to perform so-called centering work for each different base material when the base material is rotated. Here, the centering work mainly means setting the distance between the peripheral edge of the ceramic body and the rotating sponge, and means accurately performing the positioning of the center of rotation of the body.

That is, since the distance between the sliding contact surface and the peripheral portion of the base material for the endless belt varies depending on the type of the base material, the center of rotation of the base material must be set according to the type of the base material. It required a troublesome work.

[0009]

[Problems to be solved by the device]

 The purpose of this invention is not only to omit the centering work of the base material in finishing the peripheral part of the base material, but also to omit the copying device conventionally required and to simplify the work of finishing the peripheral part of the base material. Especially.

[0010]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention relates to a peripheral finishing device for a ceramic base material in which an endless belt made of a sponge is rotatably provided, and an endless belt made of a sponge is rotatably provided in a relaxed state. The weight and the elastic body are brought into contact with any position of the endless belt excluding the position to be finished.

[0011]

[Action]

 The endless belt is rotated next to the rotation control mechanism of the ceramic body (see FIG. 1). The endless belt is rotated around the peripheral edge of the rotating ceramic base material and lightly slidably contacted. At this time, when the peripheral edge of the ceramic body and the sliding contact part of the endless belt come into contact with each other (for example, the peripheral edge with a small diameter in an elliptical diameter plate), the endless belt is the weight or the elastic body and the peripheral edge of the base. Finishing is performed by the action of lightly pressing the part (see FIG. 2). On the other hand, when the peripheral edge of the base material is larger than the normal state, the peripheral edge part remarkably contacts the endless belt to overcome the weight effect or the elastic force of the elastic body due to its own weight and direct the endless belt to the outside of the base material. The endless belt is pressed smoothly against the peripheral edge of the base material to finish it (see Fig. 3).

[0012]

【Example】

 An embodiment of the present invention will be described in detail with reference to FIGS. This embodiment describes an apparatus for finishing a peripheral edge portion 26 of an oval ceramic base material 24 having a change in diameter. FIG. 2 is a view of finishing the peripheral portion 26 having a small diameter in a normal state, and FIG. 3 is a view of finishing the peripheral portion 26 having a large diameter. As is apparent from FIG. 2, the driven roller 10 is provided on one side and the drive roller 12 connected to the drive motor is provided on the other side. Further, a guide roller 14 is provided between the driven roller 10 and the driving roller 12.

A rotatable weight 16 is provided between the guide roller 14 and the drive roller 12. Since the endless belt 18 rotates, the weight 16 is preferably rotatable, but the weight 16 does not necessarily rotate if it has a weight effect. In the illustrated example, the weight 16 is located below the guide roller 14 and below the endless belt 18, but it is optional except for the peripheral edge 26 side of the ceramic body 24. The position is not limited, and the weight 16 may be provided outside the endless belt 18. This is because the weight 16 is provided for the purpose of creating a tension state with respect to the endless belt 18.

An endless belt 18 made of sponge is rotatably attached to the outside of the driven roller 10, the driving roller 12, the guide roller 14, and the weight 16 in contact with the outside thereof.

A water supply unit 20 faces the driven roller 10 in the direction of rotation of the endless belt 18 so that water can be supplied to the endless belt 18.

A pressing roller 22 is provided on the opposite side of the drive roller 12 with the endless belt 18 sandwiched therebetween, and the rotating endless belt 18 is pinched by the drive roller 12 and the pressing roller 22 to form an endless belt 18. It is intended to transmit the rotation of the drive roller 12, remove excess moisture from the endless belt 18, and eliminate contamination of the peripheral edge 26 of the substrate 24 due to finishing work.

Although the basic structure of the present invention is clear from the above, since the device is further devised, its details will be further described with reference to FIGS. 4 and 5.

In the example described above, the endless belt 18 provided in a relaxed state is tensioned by the heavy weight 16 at the time of work, but a spring body 32 such as a spring may be employed. As shown in FIG. 4, a working piece 28 having an L-shaped cross section is provided inside the endless belt 18, a spring 30 is attached to one end of this working piece 28, and a spring body composed of the working piece 28 and the spring 30. 32 is always pulled toward the spring 30 as shown by the arrow.

It will be easily understood that the elastic action of the elastic member 32 acts on the endless belt 18 and the endless belt 18 provided in the relaxed state can be changed to the tensioned state.

Further, as shown in FIG. 5, the present invention is an example in which the above-mentioned peripheral edge finishing device 34 for a ceramic body is provided in parallel. Therefore, since the configuration of the other peripheral edge finishing device 34 for a ceramic body is the same as the configuration described above, that configuration will be omitted. The reason for arranging the peripheral edge finishing devices 34 of the ceramic body in parallel is as follows.

Referring to FIG. 5, when the peripheral edge portion 26 of the ceramic body 24 is finished, the endless belt 18 is rotated in the arrow Y direction, so that only the Y direction with respect to the sliding contact portion of the endless belt 18 is completed. The sliding contact effect of

Therefore, when the base material 24 is soft and contains moisture, the peripheral edge portion 26 follows the rotational direction of the endless belt 18 and is finished only from below, so that the shape of the peripheral edge portion 26 is normal. May not be finished. Therefore, by additionally providing the peripheral edge finishing device 34 for the ceramic base material, the endless belt 18 of the other peripheral edge finishing device 34 for the ceramic base material is moved in the direction opposite to the rotation direction of one endless belt 18 (arrow X direction). By rotating, the sliding action of the endless belt 18 on the peripheral edge portion 26 of the base material 24 is exerted from the upper side to the lower side, and is evenly exerted from different sides. Therefore, the peripheral edge portion 26 of the base material 24 is finished. Care is taken to avoid being damaged at times.

Of course, since the peripheral portion 26 is finished from both sides, it is needless to say that the upper and lower sides of the peripheral portion 26 can be finished cleanly and the working efficiency can be improved. Absent. In addition, the water supply unit 20 with respect to the endless belt 18 of the other peripheral edge finishing device 34 for a ceramic body, the rotation direction of the endless belt 18 is opposite to the rotation direction of the one endless belt 18, so that It is arranged on the lower side in the drawing opposite to the position of the water supply unit 20. This is taken into consideration so that it can be provided on the side of the pressing roller 22 and drained before finishing the base material 24.

In addition, the peripheral edge finishing device 34 for the ceramic base is designed so that it can be tilted according to the size and type of the ceramic base 24, and although not shown, the ceramic base is not shown. The position of the base 24 can be adjusted in the front-back direction or the vertical direction so that the distance and the direction to the base 24 can be adjusted.

Reference numeral “36” is an operating rod for tilting, and the tilting groove 38 constitutes a guide groove for tilting. A partition 40 is provided between the adjacent endless belts 18 so as to avoid contact with each other during rotation. What is provided below the ceramic body 24 is a rotation control mechanism 42 on which the base 24 is mounted and which rotates the base 24.

[0026]

[Effect of device]

 Since the present invention has the above-mentioned configuration, it has the following advantages. Regardless of the shape of the ceramic base material, the endless belt is always under tension due to the action of the weight or the elastic body.Therefore, in the finishing of the peripheral edge of the ceramic base material, the centering work of the base material can be omitted. In addition to the above, it is possible to omit the copying device that was required to finish the peripheral edge of the irregularly shaped ceramic base material and to eliminate the need for centering work, thus simplifying the peripheral edge work of the base material. be able to.

[Brief description of drawings]

FIG. 1 is a side view showing a state before a finishing operation of a peripheral edge portion of a ceramic body.

FIG. 2 is a side view showing a usage state when the diameter of the ceramic body is small.

FIG. 3 is a side view showing a usage state when the diameter of the ceramic body is large.

FIG. 4 is a schematic side view of the elastic body.

FIG. 5 is a perspective view showing a state in which a peripheral edge finishing device for a ceramic body is provided side by side.

[Explanation of symbols]

 10 Driven Roller 12 Drive Roller 14 Guide Roller 16 Dead Weight 18 Endless Band 20 Moisture Supply Section 22 Pressing Roller 24 Ceramic Base 26 Edge Peripheral 28 Working Piece 30 Spring 32 Spring Body 34 Edge Finishing Device 36 Operation Rod 38 Tilt Groove 40 Partition 42 Rotation control mechanism for ceramic body

Claims (2)

[Scope of utility model registration request] 1. A peripheral edge finishing device for a ceramic body in which an endless belt made of sponge is rotatably provided. A peripheral edge finishing device for a ceramic body, wherein the weight 16 is brought into contact with an arbitrary position of the endless belt 18 except for. 2. A peripheral edge finishing device for a ceramic body, wherein an endless belt made of sponge is rotatably provided. A peripheral edge finishing device for a ceramic body, wherein the elastic body 32 is brought into contact with an arbitrary position of the endless belt 18 except for.