JPH0899307A - Casting mold of slurry - Google Patents
Casting mold of slurryInfo
- Publication number
- JPH0899307A JPH0899307A JP23726794A JP23726794A JPH0899307A JP H0899307 A JPH0899307 A JP H0899307A JP 23726794 A JP23726794 A JP 23726794A JP 23726794 A JP23726794 A JP 23726794A JP H0899307 A JPH0899307 A JP H0899307A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- casting
- slurry
- outside
- back mold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005266 casting Methods 0.000 title claims abstract description 31
- 239000002002 slurry Substances 0.000 title abstract description 7
- 238000007582 slurry-cast process Methods 0.000 claims description 22
- 239000010802 sludge Substances 0.000 claims description 18
- 238000000465 moulding Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract 1
- 230000013011 mating Effects 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
Landscapes
- Producing Shaped Articles From Materials (AREA)
- Moulds, Cores, Or Mandrels (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、便器、小便器、洗面器
等の陶磁器製品を成形するための泥漿鋳込み型に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a slurry casting mold for molding ceramic products such as toilet bowls, urinals and washbasins.
【０００２】[0002]
【従来の技術】従来、例えば、陶磁器製品の一つである
洗面器を鋳込み成形する場合、図４に示すように、表型
50と、裏型51と、板状のバック型52の３つの型部によっ
て鋳込み型53を構成している。2. Description of the Related Art Conventionally, for example, when a washbasin, which is one of the ceramic products, is cast-molded, as shown in FIG.
A casting mold 53 is composed of three mold parts 50, a back mold 51, and a plate-shaped back mold 52.
【０００３】そして、かかる鋳込型53を用いた鋳込み作
業時には、バック型52を表型50と裏型51との間に位置決
め用治具54によって型組し、その後、表型50と裏型51の
外面に作用する挟持圧Ｐ及びP1によって、挟圧・保持し
ている。During the casting operation using the casting die 53, the back die 52 is assembled between the front die 50 and the back die 51 by the positioning jig 54, and then the front die 50 and the back die 51. The holding pressures P and P 1 acting on the outer surface of 51 hold and hold.
【０００４】[0004]
【発明が解決しようとする課題】しかし、従来、表型50
とバック型52との間の型合せ面55と、裏型51とバック型
52との間の型合せ面56とは、図４及び図５に示すように
平行となっているので、鋳込み空間57内に供給される泥
漿の圧力ｐがバック型52にかかると、同圧力ｐが前記し
た挟持圧Ｐ及びP1に打ち勝って、図５に示すように、バ
ック型52の中央部を外側に膨出・移動させる。[Problems to be Solved by the Invention] However, conventionally, the table type 50
Mating surface 55 between the back mold 52 and the back mold 52, and the back mold 51 and the back mold
Since the mold matching surface 56 between the mold 52 and 52 is parallel as shown in FIGS. 4 and 5, when the pressure p of the slurry supplied into the casting space 57 is applied to the back mold 52, the same pressure is applied. p overcomes the clamping pressures P and P 1 described above to bulge and move the central portion of the back mold 52 to the outside, as shown in FIG.
【０００５】そのため、成形される生素地成形体に肉厚
の異なる部分が発生し、成形体を欠陥品としたり、型合
せ面に隙間を生じ、同隙間を通して泥漿が型外に漏洩
し、生素地成形体にイバリを発生したり、さらに、生素
地体脱型後のイバリ除去等の手当て作業や型の清掃等の
作業が増え、成形効率ないし歩留まりを悪いものとして
いた。As a result, portions having different wall thicknesses are formed in the green body compact to be molded, and the molded body is a defective product, or a gap is formed on the mold matching surface, and sludge leaks out of the mold through the gap, and Burrs are generated on the green compact, and further, work such as removing burrs after demolding the green compact and work for cleaning the mold are increased, resulting in poor molding efficiency or yield.
【０００６】本発明は、上記した課題を解決することが
できる、即ち、成形される生素地成形体の肉厚が変化せ
ず、品質の安定した生素地成形体が得られ、成形効率が
よい泥漿鋳込み型を提供することにある。The present invention can solve the above-mentioned problems, that is, the wall thickness of the green body compact to be molded does not change, a green body compact with stable quality is obtained, and the molding efficiency is good. It is to provide a slurry casting mold.
【０００７】[0007]
【課題を解決するための手段】本発明は、複数の型部を
相互に型組みすることによって構成した泥漿鋳込み型に
おいて、板状の型部を、型合わせ面を介して複数の他の
型部によって押圧挟持し、かつ、型合わせ面を、鋳込み
型の内部から外部に向けて収斂するテーパ面としたこと
を特徴とする泥漿鋳込型に係るものである。DISCLOSURE OF THE INVENTION The present invention is a slurry casting mold constructed by mutually assembling a plurality of mold parts, wherein a plate-shaped mold part is provided with a plurality of other molds through a mold matching surface. The present invention relates to a slurry casting mold characterized in that it is pressed and sandwiched by a portion, and the mold matching surface is a tapered surface that converges from the inside to the outside of the casting mold.
【０００８】本発明は、また、表型と、裏型と、バック
型の３つの型部によって構成した泥漿鋳込型において、
板状のバック型を、型合わせ面を介して表型と裏型によ
って押圧挟持し、かつ、型合わせ面を、鋳込み型の内部
から外部に向けて収斂するテーパ面としたことを特徴と
する泥漿鋳込型に係るものである。The present invention also provides a slurry casting mold comprising three mold parts including a front mold, a back mold and a back mold,
It is characterized in that the plate-shaped back mold is pressed and sandwiched by the front mold and the back mold via the mold matching surface, and the mold matching surface is a tapered surface that converges from the inside of the casting mold to the outside. It relates to a slurry casting type.
【０００９】[0009]
【作用】複数の他の型部間に押圧挟持された状態で型組
される型部は、他の型部との間の型合わせ面を、鋳込み
型の内部から外部に向かって収斂しているので、同型部
が、鋳込み空間に流し込まれる泥漿の圧力によって、外
部に移動・膨出するのを確実に防止することができる。In the mold part that is assembled while being pressed and held between a plurality of other mold parts, the mold mating surface between the other mold parts is converged from the inside of the casting mold to the outside. Therefore, it is possible to reliably prevent the same-shaped portion from moving or swelling to the outside due to the pressure of the slurry poured into the casting space.
【００１０】[0010]
【実施例】以下、添付図に示す実施例を参照して、本発
明を具体的に説明する。The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings.
【００１１】(実施例１)本実施例は、本発明に係る泥漿
鋳込み型Ａによって成形させる成形体が洗面器の場合で
ある。(Embodiment 1) In this embodiment, a molded body molded by the slurry casting mold A according to the present invention is a washbasin.
【００１２】図１に示すように、かかる泥漿鋳込型Ａ
は、中央部を上方に向けて膨出した上方凸の表型10と、
同表型10の上面に載置される裏型11と、表型10と裏型11
の一側端部壁10a,11b 間に挟持されるバック型12とから
構成される。As shown in FIG. 1, such a slurry casting mold A is used.
Is a convex upward table mold 10 with the central part bulging upward,
The back mold 11 placed on the upper surface of the front mold 10, the front mold 10 and the back mold 11
The back mold 12 is sandwiched between the one side end walls 10a and 11b.
【００１３】また、表型10と裏型11間、表型10とバック
型12間、及び、裏型11とバック型12間は、それぞれ、型
合わせ面13,14,15に設けた凹凸状の位置決め治具16,17,
18によって、相互に位置決めして型組みされる。Further, between the front mold 10 and the back mold 11, between the front mold 10 and the back mold 12, and between the back mold 11 and the back mold 12, the concave and convex shapes provided on the mold mating surfaces 13, 14, 15 are respectively formed. Positioning jig 16, 17,
By 18 the molds are positioned relative to each other.
【００１４】本発明は、上記した構成を有する泥漿鋳込
み型Ａにおいて、表型10とバック型12の型合わせ面14
と、裏型11とバック型12の型合わせ面15とを、泥漿鋳込
み型Ａの内部から外部に向けて収斂させたことを特徴と
する。According to the present invention, in the slurry casting mold A having the above structure, the mold matching surface 14 of the front mold 10 and the back mold 12 is formed.
And the mold matching surface 15 of the back mold 11 and the back mold 12 are converged from the inside of the slurry casting mold A toward the outside.
【００１５】即ち、図１に示すように、表型10とバック
型12の型合わせ面14は、鋳込み空間19の先端部19a から
泥漿鋳込み型Ａの外部の先端部21に向かって右上がりの
傾斜をつけており、一方、裏型11とバック型12の型合わ
せ面15は、鋳込み空間19の先端部19a から泥漿鋳込み型
Ａの外部の先端部21に向かって、左下がりの傾斜をつけ
ている。That is, as shown in FIG. 1, the mold-matching surface 14 of the front mold 10 and the back mold 12 rises to the right from the tip 19a of the casting space 19 toward the tip 21 outside the sludge casting mold A. On the other hand, the mold matching surfaces 15 of the back mold 11 and the back mold 12 are inclined downward to the left from the tip 19a of the casting space 19 toward the outer tip 21 of the slurry casting mold A. ing.
【００１６】なお、図示しないが、バック型12には、鋳
込み空間19内に泥漿を流入・排泥するための泥漿給排口
が設けられている。Although not shown, the back mold 12 is provided with a sludge supply / discharge port for inflowing and discharging sludge into the casting space 19.
【００１７】次に、上記構成を有する泥漿鋳込み型Ａに
よる泥漿鋳込みについて説明する。Next, the sludge casting by the sludge casting mold A having the above construction will be described.
【００１８】鋳込み成形時、裏型11と表型10の外部を図
示しないプレス手段によって押圧し、裏型11と表型10と
によってバック型12が挟圧保持する。鋳込み空間19内に
泥漿を流し込む。かかる流し込みにおいて、図２に示す
ように、泥漿の流入圧ｐがバック型12の成形面22に作用
して、バック型12を外側に移動させようとする力が働
く。At the time of cast molding, the outside of the back mold 11 and the front mold 10 is pressed by a pressing means (not shown), and the back mold 12 is held by the back mold 11 and the front mold 10. Pour the slurry into the casting space 19. In such pouring, as shown in FIG. 2, the inflow pressure p of the sludge acts on the molding surface 22 of the back mold 12 to exert a force to move the back mold 12 to the outside.
【００１９】しかし、上述したように、本実施例では、
図１に示すように、表型10とバック型12の型合わせ面14
と、裏型11とバック型12の型合わせ面15とは、泥漿鋳込
み型Ａの内部から外部に向けて収斂させているので、泥
漿の流入圧ｐが型合わせ面14,15 を介して表型10と裏型
11とに伝達されることになる。即ち、バック型12が受け
る流入圧ｐの総和の相当部分を表型10と裏型11とが受け
ることになり、バック型12にかかる圧力を著しく低減す
ることができる。従って、バック型12が泥漿鋳込み型Ａ
の外側に向けて移動・膨出するのを確実に防止すること
ができる。However, as described above, in this embodiment,
As shown in FIG. 1, the mating surface 14 of the front mold 10 and the back mold 12
Since the back mold 11 and the mold matching surface 15 of the back mold 12 are converged from the inside of the slurry casting mold A toward the outside, the inflow pressure p of the slurry is exposed through the mold matching surfaces 14 and 15. Mold 10 and back mold
11 will be transmitted to. That is, the front mold 10 and the back mold 11 receive a considerable portion of the total sum of the inflow pressure p received by the back mold 12, and the pressure applied to the back mold 12 can be significantly reduced. Therefore, the back mold 12 is a slurry casting mold A
It is possible to reliably prevent movement and bulging toward the outside of the.
【００２０】(実施例２)本実施例は、泥漿鋳込み型Ａの
バック型12が平板状ではなく、中央部に厚みをもたせた
形状としたことを特徴とする。(Embodiment 2) This embodiment is characterized in that the back mold 12 of the slurry casting mold A is not flat, but has a thickness in the center.
【００２１】かかる構成によって、泥漿鋳込み型Ａ内の
泥漿流入圧が増大した場合であっても、バック型12が泥
漿鋳込み型Ａの外側に向けて移動・膨出するのを確実に
防止することができる。With such a structure, even if the sludge inflow pressure in the sludge casting mold A is increased, the back mold 12 is surely prevented from moving and expanding toward the outside of the sludge casting mold A. You can
【００２２】以上、本発明を実施例を参照して説明して
きたが、本発明は３つの型部で構成する洗面器の泥漿鋳
込み型に限定されず、他の型部によって型組・挟圧され
る型部を有する泥漿鋳込み型であれば適用できるもので
ある。Although the present invention has been described above with reference to the embodiments, the present invention is not limited to the slurry casting mold of the washbasin composed of three mold parts, and the mold assembly / pressing force can be applied by other mold parts. It is applicable as long as it is a slurry casting type having a mold part.
【００２３】[0023]
【発明の効果】本発明では、複数の型部を相互に型組み
することによって構成した泥漿鋳込み型において、板状
の型部を、型合わせ面を介して複数の他の型部によって
押圧挟持し、かつ、型合わせ面を、鋳込み型の内部から
外部に向けて収斂するテーパ面としたので、他の型部と
の間に型組・挟持される型部が、鋳込み空間内の泥漿圧
力によって、外側に移動・膨出するのを確実に防止でき
る。According to the present invention, in a slurry casting mold constructed by assembling a plurality of mold parts with each other, a plate-shaped mold part is pressed and sandwiched by a plurality of other mold parts via a mold matching surface. In addition, since the mold matching surface is a tapered surface that converges from the inside of the casting mold to the outside, the mold part that is sandwiched between other mold parts is sandwiched between the mold part and the mold space. By this, it is possible to reliably prevent the movement and bulging outward.
【００２４】従って、成形される生素地の肉厚が変化せ
ず、生素地成形体の品質が安定する。また、鋳込み空間
内の泥漿が型外に漏洩しないので、生素地のイバリ除去
等の手当て作業や型の清掃等の作業がなくなり成形効率
が向上する。Therefore, the wall thickness of the green body to be formed does not change, and the quality of the green body is stable. Further, since the sludge in the casting space does not leak out of the mold, there is no need for manual work such as removing burrs on the green body and cleaning of the mold, thus improving the molding efficiency.
【図１】本発明の実施例１に係る泥漿鋳込み型の断面側
面図である。FIG. 1 is a sectional side view of a slurry casting mold according to a first embodiment of the present invention.
【図２】同泥漿鋳込み型のバック型に係る泥漿流入圧の
作用状態説明図である。FIG. 2 is an explanatory view of a working state of a sludge inflow pressure related to the back mold of the sludge casting type.
【図３】本発明の実施例２に係る泥漿鋳込み型の要部断
面側面図である。FIG. 3 is a cross-sectional side view of the essential parts of a slurry casting mold according to a second embodiment of the present invention.
【図４】従来の泥漿鋳込み型の断面側面図である。FIG. 4 is a sectional side view of a conventional slurry casting mold.
【図５】同泥漿鋳込み型のバック型に係る泥漿流入圧の
作用状態説明図である。FIG. 5 is an explanatory view of a working state of a sludge inflow pressure according to the back mold of the sludge casting type.
Ａ 泥漿鋳込み型 10 表型 11 裏型 12 バック型 13 型合わせ面 14 型合わせ面 15 型合わせ面 A Sludge casting mold 10 Front mold 11 Back mold 12 Back mold 13 Mold matching surface 14 Mold matching surface 15 Mold matching surface
Claims (2)
て構成した泥漿鋳込み型において、板状の型部を、型合
わせ面を介して複数の他の型部によって押圧挟持し、か
つ、型合わせ面を、鋳込み型の内部から外部に向けて収
斂するテーパ面としたことを特徴とする泥漿鋳込型。1. A slurry casting mold constructed by mutually assembling a plurality of mold parts, wherein a plate-shaped mold part is pressed and sandwiched by a plurality of other mold parts via a mold matching surface, and Sludge casting mold characterized in that the mold matching surface is a tapered surface that converges from the inside to the outside of the casting mold.
よって構成した泥漿鋳込型において、板状のバック型
を、型合わせ面を介して表型と裏型によって押圧挟持
し、かつ、型合わせ面を、鋳込み型の内部から外部に向
けて収斂するテーパ面としたことを特徴とする泥漿鋳込
型。2. A sludge casting mold comprising three mold parts of a front mold, a back mold and a back mold, wherein a plate-shaped back mold is pressed and sandwiched by the front mold and the back mold via a mold matching surface. In addition, the slurry casting mold is characterized in that the mold matching surface is a tapered surface that converges from the inside to the outside of the casting mold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23726794A JPH0899307A (en) | 1994-09-30 | 1994-09-30 | Casting mold of slurry |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23726794A JPH0899307A (en) | 1994-09-30 | 1994-09-30 | Casting mold of slurry |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0899307A true JPH0899307A (en) | 1996-04-16 |
Family
ID=17012872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23726794A Pending JPH0899307A (en) | 1994-09-30 | 1994-09-30 | Casting mold of slurry |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0899307A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1043132A3 (en) * | 1999-04-09 | 2002-06-05 | SACMI COOPERATIVA MECCANICI IMOLA Soc. Coop. a r.l. | Pressure casting apparatus with two-part moulds for sanitary appliances, and relative mould |
-
1994
- 1994-09-30 JP JP23726794A patent/JPH0899307A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1043132A3 (en) * | 1999-04-09 | 2002-06-05 | SACMI COOPERATIVA MECCANICI IMOLA Soc. Coop. a r.l. | Pressure casting apparatus with two-part moulds for sanitary appliances, and relative mould |
| US6655942B1 (en) | 1999-04-09 | 2003-12-02 | Sacmi-Cooperativa Meccanici Imola -Soc. Coop. A.R.L. | Pressure casting apparatus utilizing with two-part moulds |
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