JPWO2021210190A5

JPWO2021210190A5 -

Info

Publication number: JPWO2021210190A5
Application number: JP2022515187A
Authority: JP
Filing date: 2020-06-25
Publication date: 2022-08-30
Anticipated expiration: 2040-06-25

Description

本開示に係る樹脂成形用金型は、凹部及び凹部の外縁部である第１外縁部を有する下型と、凹部に収容可能な凸部及び凸部の外縁部である第２外縁部を有する上型とからなり、断熱性の樹脂部材を発泡成形するための樹脂成形用金型であって、下型に上型を閉じた場合に、凹部内に凸部が収容されてキャビティが形成され、さらに、少なくとも第１外縁部にエアベントとして機能する複数の凹み面が形成され、エアベントが、キャビティの最上部と樹脂成形用金型の外部とを連通し、凹み面の間隔よりも凹み面の幅を大きく設けることを特徴とする。 The resin molding die according to the present disclosure has a lower mold having a recess and a first outer edge that is the outer edge of the recess, and a protrusion that can be accommodated in the recess and a second outer edge that is the outer edge of the protrusion. A mold for resin molding, comprising an upper mold and for foaming a heat-insulating resin member, wherein when the upper mold is closed to the lower mold, the convex portion is accommodated in the concave portion to form a cavity. Furthermore, a plurality of recessed surfaces functioning as air vents are formed at least on the first outer edge, and the air vents communicate the top of the cavity with the outside of the resin molding die, and the distance between the recessed surfaces is greater than the distance between the recessed surfaces. It is characterized by providing a large width .

本開示に係る貯湯タンクユニットは、水を貯留するための貯湯タンクと、貯湯タンクの周囲を覆う発泡断熱部材と、を備えた貯湯タンクユニットであって、発泡断熱部材は、複数の分割断熱部材で構成され、分割断熱部材同士の分割面に沿って貯湯タンク側の反対側へ形成された複数のバリを有し、バリの厚さは、１ｍｍ以上２０ｍｍ以下であることを特徴とする。
また、本開示に係る貯湯タンクユニットは、水を貯留するための貯湯タンクと、貯湯タンクの周囲を覆う発泡断熱部材と、を備えた貯湯タンクユニットであって、発泡断熱部材は、複数の分割断熱部材で構成され、分割断熱部材同士の分割面に沿って貯湯タンク側の反対側へ形成された複数のバリを有し、複数のバリは、根元部を残した状態で切削されていることを特徴とする。 A hot water storage tank unit according to the present disclosure is a hot water storage tank unit including a hot water storage tank for storing water and a foam insulation member covering the periphery of the hot water storage tank, wherein the foam insulation member includes a plurality of divided heat insulation members. and has a plurality of burrs formed on the side opposite to the hot water storage tank side along the divided surfaces of the divided heat insulating members , and the thickness of the burrs is 1 mm or more and 20 mm or less .
Further, a hot water storage tank unit according to the present disclosure is a hot water storage tank unit including a hot water storage tank for storing water and a foam insulation member covering the periphery of the hot water storage tank, wherein the foam insulation member is divided into a plurality of divided It is composed of a heat insulating member, and has a plurality of burrs formed on the side opposite to the hot water storage tank side along the divided surfaces of the divided heat insulating members, and the plurality of burrs are cut while leaving the root portion. characterized by

Claims

It is composed of a lower mold having a recess and a first outer edge that is the outer edge of the recess, and an upper mold that has a protrusion that can be accommodated in the recess and a second outer edge that is the outer edge of the protrusion. A resin molding die for foam molding the resin member of
When the upper mold is closed to the lower mold,
A cavity is formed by accommodating the protrusion in the recess, and
A plurality of recessed surfaces functioning as air vents are formed at least on the first outer edge,
the air vent communicates the top of the cavity with the outside of the resin molding die ,
providing the width of the recessed surface larger than the interval between the recessed surfaces
A mold for resin molding characterized by

The mold for resin molding according to claim 1 , wherein the plurality of air vents have equal widths.

The mold for resin molding according to claim 1 or 2, wherein the plurality of air vents are provided so as to extend in a horizontal direction.

4. The plurality of air vents are formed such that a recessed surface provided on the first outer edge and a recessed surface provided on the second outer edge are opposed to each other. The mold for resin molding according to .

4. The air vent according to any one of claims 1 to 3, wherein the plurality of air vents are formed such that a concave surface provided on the first outer edge and a flat surface on the second outer edge are opposed to each other. A mold for resin molding as described.

The cavity is rectangular in plan view,
The resin molding die according to any one of claims 1 to 5, wherein the air vents are provided so as to communicate the four corners of the cavity with the outside of the resin molding die.

The concave portion of the lower mold has a substantially circular shape in a plan view,
The convex portion of the upper mold is substantially circular in plan view.
The mold for resin molding according to any one of claims 1 to 5, characterized by:

The recess of the lower mold has a shape obtained by dividing a substantially cylindrical shape into two in the height direction,
The convex portion of the upper die has a shape obtained by dividing a substantially cylindrical shape into two in the height direction.
The mold for resin molding according to any one of claims 1 to 6, characterized by:

The cavity is formed only in the concave portion of the lower mold.
The mold for resin molding according to any one of claims 1 to 8, characterized by:

The air vent is provided to extend only in the horizontal direction perpendicular to the vertical direction, which is the direction in which gravity acts.
The mold for resin molding according to any one of claims 1 to 9, characterized by:

A step of injecting a resin material into the recess of the lower mold of the resin molding die according to any one of claims 1 to 10 ;
a step of foam-molding the resin member by closing the upper mold to the lower mold and applying pressure to foam the resin material, filling the cavity and the air vent, and then curing the resin material;
a step of attaching the foam-molded resin member to the periphery of the hot water storage tank;
A method of manufacturing a hot water storage tank unit comprising:

A hot water storage tank unit comprising a hot water storage tank for storing water and a foam insulation member covering the periphery of the hot water storage tank,
The foam heat insulating member is composed of a plurality of divided heat insulating members, and has a plurality of burrs formed on the side opposite to the hot water tank side along the divided surfaces of the divided heat insulating members,
The hot water storage tank unit , wherein the thickness of the burr is 1 mm or more and 20 mm or less .

13. The hot water storage tank unit according to claim 12 , wherein the plurality of burrs are cut with root portions left.

A hot water storage tank unit comprising a hot water storage tank for storing water and a foam insulation member covering the periphery of the hot water storage tank,
The foam heat insulating member is composed of a plurality of divided heat insulating members, and has a plurality of burrs formed on the opposite side of the hot water storage tank along the divided surfaces of the divided heat insulating members,
The plurality of burrs are cut off with root portions left.
A hot water storage tank unit characterized by

The hot water storage tank unit according to any one of claims 12 to 14 , wherein the plurality of burrs are provided so as to extend in a direction parallel to the dividing surface.

The divided heat insulating member includes an upper heat insulating member that covers an upper portion of the hot water storage tank, a lower heat insulating member that covers a lower portion of the hot water storage tank, and is provided in contact with the upper heat insulating member and the lower heat insulating member. a front body heat insulating member that covers the front side of the side surface of the hot water storage tank; 16. The hot water storage tank unit according to any one of claims 12 to 15, comprising: a trunk heat insulating member.

The width of the burrs formed on the front body heat insulating member and the rear body heat insulating member is larger than the distance between the burrs.
The hot water storage tank unit according to claim 16, characterized by:

The hot water storage tank unit according to claim 16 or 17 , wherein the upper heat insulating member, the front body heat insulating member, and the rear body heat insulating member are made of rigid polyurethane foam.

The hot water storage tank unit according to any one of claims 16 to 18, wherein the lower heat insulating member is made of foamed polystyrene.

The hot water storage tank unit according to any one of claims 16 to 19 , wherein the plurality of burrs have equal widths.

The hot water storage tank unit according to any one of claims 16 to 20 , wherein the plurality of burrs are provided so that the adjacent burrs are equidistantly spaced.