Casting mold supporting structure

Patent metadata

Field	Value
Publication number	US-10661336-B2
Application number	US-201916237988-A
Country	US
Kind code	B2
Filing date	Jan 2, 2019
Priority date	Jan 23, 2015
Publication date	May 26, 2020
Grant date	May 26, 2020

Abstract

A casting mold supporting structure is provided herein which includes a support roller for supporting a part of a casting mold that is used in centrifugal casting. The casting mold has a supported surface (that is, a side surface of an end portion of the casting mold which end portion has a circular truncated cone shape) at which the casting mold is supported by the support roller. The supported surface is inclined with respect to a rotation axis of the casting mold.

First claim

The invention claimed is:

1. A casting mold supporting structure comprising:
a casting mold that is used in centrifugal casting; and
at least three support rollers held by a roller holder for supporting a part of the casting mold,
wherein the casting mold has a supported surface at which the casting mold is supported by the support rollers;
wherein the supported surface is inclined with respect to a rotation axis of the casting mold;
wherein the at least three support rollers each have an outer shape of a circular truncated cone and an upper base surface of the circular truncated cone faces an outer side of the casting mold, and
wherein when a rotation axis of each of the at least three support rollers and an extended line of the supported surface along the rotation axis of the casting mold are extended toward the rotation axis of the casting mold, the rotation axis of each of the at least three support rollers and the extended line intersect with each other at a particular point on the rotation axis of the casting mold.

2. The casting mold supporting structure as set forth in claim 1 , wherein:
the supported surface is inclined with respect to the rotation axis of the casting mold so that force for pressing the part of the casting mold by the support roller is directed to a center part of the casting mold in a rotation axis direction of the casting mold.

3. The casting mold supporting structure as set forth in claim 1 , wherein:
the at least three support rollers support a part of the casting mold, the part having a circular truncated cone shape whose central axis conforms to the rotation axis of the casting mold.

4. The casting mold supporting structure as set forth in claim 3 , wherein:
the part having the circular truncated cone shape has the supported surface at which the casting mold is supported by the at least three support rollers, the supported surface of the part being inclined with respect to the rotation axis of the casting mold at an angle of 10° or more and 50° or less.

5. The casting mold supporting structure as set forth in claim 1 , wherein:
when an end surface of the casting mold is viewed in the rotation axis direction of the casting mold, the at least three support rollers are arranged so that angles become uniform each of which is formed by (i) a line connecting the rotation axis with one of adjacent two of the at least three support rollers and (ii) a line connecting the rotation axis with the other of the adjacent two of the at least three support rollers.

6. The casting mold supporting structure as set forth in claim 1 , wherein:
the at least three support rollers are movable in a direction along the rotation axis of the casting mold.

7. A casting machine comprising a casting mold supporting structure recited in claim 1 .

8. The casting mold supporting structure as set forth in claim 1 , wherein:
the supported surface is present at both a first opposite end portion of the casting mold and a second opposite end portion of the casting mold when the casting mold is viewed in a direction perpendicular to the rotation axis of the casting mold.

9. The casting mold supporting structure as set forth in claim 8 , wherein:
the first opposite end portion and the second opposite end portion each have a circular truncated cone shape whose central axis conforms to the rotation axis of the casting mold.

10. The casting mold supporting structure as set forth in claim 8 , wherein:
the casting mold further comprises a water jacket roller surrounding the first opposite end portion and the second opposite end portion,
wherein the water jacket roller has a substantially circular truncated cone shape whose central axis conforms to the rotation axis of the casting mold.

Assignees

• Kubota Kk

Inventors

• Abe Takayuki
• Inaba Hiroshi
• Shibaki Atsushi
• Yamato Kazuhiro

Classifications

• B22D13/107

  Means for feeding molten metal · CPC title

• B22D13/10

  Accessories for centrifugal casting apparatus, e.g. moulds, linings therefor, means for feeding molten metal, cleansing moulds, removing castings (making or lining moulds B22C) · CPC title

• B22D41/04

  tiltable · CPC title

• F27D3/14

  Charging or discharging liquid or molten material · CPC title

• B22D13/101 Primary

  Moulds · CPC title