JPH06182744A - Manufacture of inorganic cement plate - Google Patents

Manufacture of inorganic cement plate

Info

Publication number
JPH06182744A
JPH06182744A JP34224692A JP34224692A JPH06182744A JP H06182744 A JPH06182744 A JP H06182744A JP 34224692 A JP34224692 A JP 34224692A JP 34224692 A JP34224692 A JP 34224692A JP H06182744 A JPH06182744 A JP H06182744A
Authority
JP
Japan
Prior art keywords
aggregate
cement
water
molding material
mat
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.)
Granted
Application number
JP34224692A
Other languages
Japanese (ja)
Other versions
JP3090380B2 (en
Inventor
Kazumasa Fukutomi
和正 福冨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP04342246A priority Critical patent/JP3090380B2/en
Publication of JPH06182744A publication Critical patent/JPH06182744A/en
Application granted granted Critical
Publication of JP3090380B2 publication Critical patent/JP3090380B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Producing Shaped Articles From Materials (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)

Abstract

PURPOSE:To present expression rich in material appearance and stabilise a quality, by a method wherein a specific surface molding material is spread on a specific base mat, uneven pattern is formed on the surface ' by pressure molding and the same is cured and solidified by washing away cement on the surface by a spray. CONSTITUTION:Slurry which consists mainly of hydraulic cement and water and is obtained by adding aggregate or a fiber when need arises is scooped by paper making method, through which a base at 1 is formed and conveyed continuously by a mat conveyor. On one hand, the hydraulic cement having a water content of at most 50% and the aggregate 2 such as macadam or silica sand are kneaded by a batch type mixer, a surface molding material 3 is formed, spread over the base mat 1 and press-molded by a pressing device. Water is sprayed through a spray after that, the cement 4 with which the surface of the aggregate is coated is washed away, the surface of the aggregate 2 is exposed and then cured and solidified and an inorganic cement plate having unevenness on the surface is manufactured.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、抄造で形成した基材マ
ットの上に粒状の骨材を含有せる表面成形材料を積層し
て複層で表面に凹凸のある無機質セメント板を製造する
方法に関するものである。
BACKGROUND OF THE INVENTION The present invention relates to a method for producing a multi-layered inorganic cement board having a multi-layered surface by laminating a surface molding material containing a granular aggregate on a base mat formed by papermaking. It is about.

【0002】[0002]

【従来の技術】従来、この種の無機質セメント板を製造
するにあたっては、抄造で形成した基材マットの上に、
水硬性セメントと骨材を主成分とせる表面成形材料を散
布し、これを加圧成形して表面に凹凸模様を形成してい
た。
2. Description of the Related Art Conventionally, when manufacturing this type of inorganic cement board, a base material mat formed by papermaking
A surface molding material mainly composed of hydraulic cement and aggregate was sprayed and pressure-molded to form an uneven pattern on the surface.

【0003】[0003]

【発明が解決しようとする課題】上記の無機質セメント
板では表面に骨材により凹凸模様が形成されるが、骨材
の表面がセメントで包まれた状態になっており、骨材の
表面が直接露出せず、骨材の素材感が出ず外観上豊かさ
が乏しいものであった。本発明は上記問題点に鑑みてな
されたものであって、本発明の目的とするところは表面
に骨材の素材感を出して豊かな外観にできる無機質セメ
ント板の製造方法を提供するにある。
In the above-mentioned inorganic cement board, an uneven pattern is formed on the surface by the aggregate, but the surface of the aggregate is in a state of being covered with cement, and the surface of the aggregate is directly It was not exposed, the texture of the aggregate did not appear, and the appearance was poor. The present invention has been made in view of the above problems, and an object of the present invention is to provide a method for producing an inorganic cement board capable of giving a material appearance of an aggregate on the surface and providing a rich appearance. .

【0004】[0004]

【課題を解決するための手段】上記目的を達成するため
本発明の無機質セメント板の製造方法は、水硬性セメン
トと水を主成分とするスラリーを抄造して基材マット1
を形成し、抄造直後からプレス前の工程間の比較的含水
率の高い基材マット1上に、含水率が50%を越えない
水硬性セメントと骨材2を主成分とせる表面成形材料3
を散布し、これを加圧成形して表面に凹凸模様を形成
し、次いで積載するまでの間にスプレーで水を表面に散
布して骨材2の表面に付着したセメント4を洗い流し、
しかる後養生硬化させることを特徴とする。
In order to achieve the above object, a method for producing an inorganic cement board according to the present invention comprises a base material mat 1 obtained by papermaking a hydraulic cement and a slurry containing water as a main component.
And a surface molding material 3 mainly composed of a hydraulic cement and an aggregate 2 having a water content not exceeding 50% on a base material mat 1 having a relatively high water content between the steps immediately after papermaking and before pressing.
To form an uneven pattern on the surface by pressure molding, and then spray water on the surface to wash the cement 4 adhering to the surface of the aggregate 2 until loading.
After that, it is characterized by curing and hardening.

【0005】[0005]

【作用】上記構成によれば、プレス直後の軟らかい時期
に骨材3の表面に付着したセメント4を洗い流すことに
より骨材3の表面を直接露出させることができ、素材感
の豊かな外観にできる。
According to the above structure, the surface of the aggregate 3 can be directly exposed by washing away the cement 4 adhering to the surface of the aggregate 3 in the soft time immediately after pressing, and the appearance with a rich texture can be obtained. .

【0006】[0006]

【実施例】図3は製造装置の全体を示すものである。5
はマット搬送用コンベアであって、抄造法で形成された
基材マット1を連続的に搬送するようになっている。6
はバッチ式ミキサーであって、水硬性セメントと骨材2
とを混合して表面成形材料3を形成するものである。7
は表面成形材料3を供給するホッパーであり、上記バッ
チ式ミキサー6で混練した表面成形材料3が投入される
ものである。ホッパー7から供給された表面成形材料3
はベルトスケール8で計量して搬送され、これが材料搬
送コンベア9で電磁フィーダー10に搬送されるように
なっている。電磁フィーダー10では表面成形材料3が
基材マット1の上に散布されるようになっている。電磁
フィーダー10の前方でマット搬送用コンベア5の上方
にはプレス装置11が配設され、プレス装置11の前方
にはスプレー装置12が配置されている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 3 shows the whole manufacturing apparatus. 5
Is a mat transporting conveyor for continuously transporting the base mat 1 formed by the papermaking method. 6
Is a batch-type mixer, with hydraulic cement and aggregate 2
Are mixed to form the surface molding material 3. 7
Is a hopper for supplying the surface molding material 3, into which the surface molding material 3 kneaded by the batch type mixer 6 is charged. Surface molding material 3 supplied from hopper 7
Is measured by a belt scale 8 and conveyed, and this is conveyed to an electromagnetic feeder 10 by a material conveyer 9. In the electromagnetic feeder 10, the surface molding material 3 is sprinkled on the base mat 1. A press device 11 is arranged in front of the electromagnetic feeder 10 and above the mat conveying conveyor 5, and a spray device 12 is arranged in front of the press device 11.

【0007】次に上記のように構成せる製造装置を用い
て無機質セメント板を製造する方法を説明する。水硬性
センントと水を主成分とし、必要に応じて骨材や繊維を
加えたスラリーを抄造法によって抄き上げることによ
り、基材マット1が形成され、基材マット1がマット搬
送用コンベア5にて連続的に搬送される。一方含水率が
50%を越えない水硬性セメントと砕石、珪砂等の骨材
2とがバッチ式ミキサー6で混練されて表面成形材料3
が形成され、表面成形材料3がホッパー7に供給され
る。ホッパー7から表面成形材料3はベルトスケール
8、材料搬送コンベア9を介して電磁フィーダー10に
供給され、電磁フィーダー10から表面成形材料3は基
材マット1の上に散布される。このとき表面成形材料3
は2〜4mm程度の厚さになるように散布され、プレス
装置11にて加圧成形される。プレス装置11にて加圧
成形した後、スプレー装置11から水がスプレーされて
骨材2の表面を覆っているセメント4が洗い流され、骨
材2の表面が露出される。これにより図1(a)や図2
(a)から図1(b)や図2(b)のように骨材2の表
面が露出する。
Next, a method for manufacturing an inorganic cement board using the manufacturing apparatus configured as described above will be described. A base mat 1 is formed by making a slurry containing hydraulic cement and water as main components and optionally aggregates and fibers by a paper making method, and the base mat 1 is a conveyor 5 for mat transport. Are continuously transported in. On the other hand, a hydraulic cement whose water content does not exceed 50% and an aggregate 2 such as crushed stone or silica sand are kneaded by a batch type mixer 6 to obtain a surface molding material 3
Are formed, and the surface molding material 3 is supplied to the hopper 7. The surface molding material 3 is supplied from the hopper 7 to the electromagnetic feeder 10 via the belt scale 8 and the material conveying conveyor 9, and the surface molding material 3 is scattered from the electromagnetic feeder 10 on the base mat 1. At this time, surface molding material 3
Is sprayed so as to have a thickness of about 2 to 4 mm and pressure-molded by the press device 11. After press-molding with the press device 11, water is sprayed from the spray device 11 to wash away the cement 4 covering the surface of the aggregate 2, and the surface of the aggregate 2 is exposed. As a result, as shown in FIG.
The surface of the aggregate 2 is exposed from (a) to FIG. 1 (b) and FIG. 2 (b).

【0008】スプレー装置11からスプレーする圧力と
しては0.5〜3.0Kg/cm2程度がよい。骨材2
を多く露出させたい時はこの範囲内でできるだけ水圧を
高くする。ただ3.0Kg/cm2 以上にすると骨材2
が飛んでしまうおそれがある。また流量と圧力の関係は
表1の通りである。
The pressure applied from the spray device 11 is preferably about 0.5 to 3.0 kg / cm 2 . Aggregate 2
If you want to expose a lot of water, make the water pressure as high as possible within this range. However, if it is 3.0 kg / cm 2 or more, aggregate 2
May fly. Table 1 shows the relationship between the flow rate and the pressure.

【0009】[0009]

【表1】 [Table 1]

【0010】次に本発明を具体例により述べる。 (具体例)セメントと骨材とが重量比で1:2になるよ
うに混練して表面成形材料を形成した。そして常法で抄
造した基材マットの上に上記表面成形材料をプレス後の
厚さが2mmになるように散布し、次いでプレス圧力3
0Kg/cm2 で2秒間プレスした後、85m/min
で搬送される搬送コンベア上で、水圧1kg/cm 2
流量2.5リットル/分でスプレー処理した。これによ
り骨材が露出した複層成形板が得られた。
Next, the present invention will be described by way of specific examples. (Specific example) The weight ratio of cement and aggregate is 1: 2.
And kneaded to form a surface molding material. And extract in the usual way
After pressing the above surface molding material on the formed base mat
Spray to a thickness of 2 mm, then press pressure 3
0 kg / cm2After pressing for 2 seconds at 85m / min
Water pressure of 1kg / cm 2,
It was sprayed at a flow rate of 2.5 l / min. By this
A multi-layer molded plate with exposed aggregate was obtained.

【0011】[0011]

【発明の効果】本発明は叙述のようにプレスした後、軟
らかい状態でスプレーで水を表面に散布して骨材の表面
に付着したセメントを洗い流すので、骨材の表面が露出
し、素材感(材質感)の豊かな表現ができるものであ
り、しかも未硬化の軟らかい状態でスプレー処理を行う
ため低い水圧で処理が可能なものであり、さらに洗い流
されたセメントは骨材間の隙間に流れ込むので緻密にな
り品質が安定するものである。
According to the present invention, after pressing as described above, water is sprayed on the surface in a soft state to wash away the cement adhering to the surface of the aggregate, so that the surface of the aggregate is exposed and the texture (Material feeling) can be expressed in abundance, and since it is sprayed in an uncured and soft state, it can be processed with low water pressure, and the washed-out cement flows into the gap between aggregates. Therefore, the quality is stable and the quality is stable.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の製造方法を説明する断面図であり、
(a)は骨材の表面のセメントを洗い流す前の状態で、
(b)はセメントを洗い流して骨材を露出させた状態を
示す。
FIG. 1 is a cross-sectional view illustrating a manufacturing method of the present invention,
(A) is a state before washing away the cement on the surface of the aggregate,
(B) shows a state where the cement is washed away to expose the aggregate.

【図2】(a)(b)は図1の要部を拡大せる断面図で
ある。
2 (a) and 2 (b) are sectional views for enlarging a main part of FIG.

【図3】同上の製造設備の斜視図である。FIG. 3 is a perspective view of the manufacturing facility of the above.

【符号の説明】[Explanation of symbols]

1 基材マット 2 骨材 3 表面成形材料 4 セメント 1 Base Mat 2 Aggregate 3 Surface Molding Material 4 Cement

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 水硬性セメントと水を主成分とするスラ
リーを抄造して基材マットを形成し、抄造直後からプレ
ス前の工程間の比較的含水率の高い基材マット上に、含
水率が50%を越えない水硬性セメントと骨材を主成分
とせる表面成形材料を散布し、これを加圧成形して表面
に凹凸模様を形成し、次いで積載するまでの間にスプレ
ーで水を表面に散布して骨材の表面に付着したセメント
を洗い流し、しかる後養生硬化させることを特徴とする
無機質セメント板の製造方法。
1. A water-based cement is formed on a base material mat having a relatively high water content between a step immediately after the paper making and a step before pressing by forming a slurry containing water-based cement and water as a main component. Of water-based cement whose main component is less than 50% is dispersed, and the surface molding material mainly composed of aggregate is sprayed to form an uneven pattern on the surface by pressure molding. A method for producing an inorganic cement board, which comprises spraying the surface to wash away the cement adhering to the surface of the aggregate, and then curing and hardening the cement.
JP04342246A 1992-12-22 1992-12-22 Manufacturing method of inorganic cement board Expired - Fee Related JP3090380B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP04342246A JP3090380B2 (en) 1992-12-22 1992-12-22 Manufacturing method of inorganic cement board

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP04342246A JP3090380B2 (en) 1992-12-22 1992-12-22 Manufacturing method of inorganic cement board

Publications (2)

Publication Number Publication Date
JPH06182744A true JPH06182744A (en) 1994-07-05
JP3090380B2 JP3090380B2 (en) 2000-09-18

Family

ID=18352242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP04342246A Expired - Fee Related JP3090380B2 (en) 1992-12-22 1992-12-22 Manufacturing method of inorganic cement board

Country Status (1)

Country Link
JP (1) JP3090380B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006219828A (en) * 2005-02-08 2006-08-24 Nihon Kogyo Co Ltd Surface treating method and surface treating device for paving material
JP2015226984A (en) * 2014-05-30 2015-12-17 株式会社ユニソン Concrete block production method and system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006219828A (en) * 2005-02-08 2006-08-24 Nihon Kogyo Co Ltd Surface treating method and surface treating device for paving material
JP2015226984A (en) * 2014-05-30 2015-12-17 株式会社ユニソン Concrete block production method and system

Also Published As

Publication number Publication date
JP3090380B2 (en) 2000-09-18

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