JPH0331322B2 - - Google Patents
Info
- Publication number
- JPH0331322B2 JPH0331322B2 JP12622885A JP12622885A JPH0331322B2 JP H0331322 B2 JPH0331322 B2 JP H0331322B2 JP 12622885 A JP12622885 A JP 12622885A JP 12622885 A JP12622885 A JP 12622885A JP H0331322 B2 JPH0331322 B2 JP H0331322B2
- Authority
- JP
- Japan
- Prior art keywords
- surface layer
- layer material
- cement
- roller
- water
- 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.)
- Expired
Links
- 239000002344 surface layer Substances 0.000 claims description 35
- 239000000463 material Substances 0.000 claims description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000001125 extrusion Methods 0.000 claims description 17
- 239000007921 spray Substances 0.000 claims description 17
- 239000004568 cement Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
- 238000005507 spraying Methods 0.000 description 5
- 238000000576 coating method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 239000000377 silicon dioxide Substances 0.000 description 4
- 238000007796 conventional method Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 239000005909 Kieselgur Substances 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- -1 etc.) Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 235000010981 methylcellulose Nutrition 0.000 description 1
- 239000010450 olivine Substances 0.000 description 1
- 229910052609 olivine Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は建材用として利用価値の高い耐磨耗性
セメント系押出成形板の製造方法に関するもので
ある。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for manufacturing a wear-resistant cement-based extrusion molded board that is highly useful as a building material.
（従来の技術及び発明が解決しようとする問題
点）
セメント系押出成形板は建・構築材として広い
用途を有しており、表面化粧或いは模様形成を目
的とした表面被覆が行われているが、従来の方法
は湿式流し込みや湿式塗布に依るもので、材料の
配合調整に特別の装置を必要とするだけでなく、
その粘度調整も容易でない等の欠点があつた。(Prior art and problems to be solved by the invention) Cement-based extruded boards have a wide range of uses as building and construction materials, and surface coatings are performed for the purpose of surface decoration or pattern formation. , conventional methods rely on wet pouring or wet coating, which not only requires special equipment to adjust the material formulation, but also requires
There were drawbacks such as difficulty in adjusting the viscosity.
本発明はかかる従来法の欠点を除き、優れた品
質の表面被覆を有する耐磨耗性押出成形セメント
板を効率よく製造する方法を提供するものであ
る。 The present invention eliminates the drawbacks of the conventional methods and provides a method for efficiently producing abrasion resistant extruded cement boards with superior quality surface coatings.
（問題を解決するための手段及び作用・効果）
本発明はセメント系押出成形板型用押出ダイス
の先端上部にローラーを設け、ローラーとダイス
との間隙より硬質、骨材、セメント及び無機混和
剤を配合した表層材料を乾式状態で供給し、ロー
ラーで所定の厚さに均らすと共に押出成形生板上
に押圧し、次に表層材料の硬化に必要な水量の約
１／３〜1/2量の水を表層材料が飛散したり、型崩れ
しない程度のスプレー圧で散布して表層材料を生
板上に定着させた後、残部の水をより高いスプレ
ー圧で散布することによりセメント及び無機混和
剤を生板上に沈着させると共に、硬質材料を表面
に露出させて表層を固着させることを発明の構成
要件とするものであり、これによつて優れた品質
の耐磨耗性押出成形セメント板を効率よく製造す
ることを可能ならしめたものである。以下本発明
の構成要件及びその作用効果を遂一説明する。(Means for Solving the Problems and Actions/Effects) The present invention provides a roller at the top of the tip of an extrusion die for a cement-based extrusion mold plate, and a roller is provided in the upper part of the extrusion die for a cement-based extrusion molding plate, and the gap between the roller and the die is harder than that of the extrusion die, and the aggregate, cement, and inorganic admixture are A surface layer material containing the following is supplied in a dry state, leveled with a roller to a predetermined thickness and pressed onto an extrusion-molded raw board, and then approximately 1/3 to 1/3 of the amount of water required for curing the surface layer material is applied. After fixing the surface layer material onto the green board by spraying two volumes of water at a spray pressure that does not cause the surface layer material to scatter or lose its shape, the remaining water is sprayed at a higher spray pressure to remove cement and A component of the invention is to deposit an inorganic admixture on the raw board and to expose the hard material to the surface to fix the surface layer, thereby producing wear-resistant extrusion molding of excellent quality. This made it possible to efficiently manufacture cement boards. The constituent elements of the present invention and their effects will be explained below.
先ず本発明においては押出ダイスの先端上部に
設けたローラーと押出ダイスとの間隙より表層材
料を乾式状態で供給し、これをローラーによつて
所定の厚さに均らすと共に成形生板上に押圧する
ので、湿式流し込みや塗装方式の場合のように特
別な設備を必要とせず、表層材料の供給を押出成
形操作と連結して一貴的に能率よく施行すること
ができる。そしてローラーはその中心が押出ダイ
スの先端より少し内側に位置するように設置する
ことにより、表層材料は成形生板に埋め込まれる
ような形で平滑な表層を形成し、又表層の厚さは
ローラーの位置を上下せしめることによつて任意
調整することができる。 First, in the present invention, the surface layer material is supplied in a dry state through the gap between the extrusion die and a roller provided at the top of the tip of the extrusion die, and the surface layer material is leveled to a predetermined thickness by the roller and is then spread onto the green plate. Since it is pressed, there is no need for special equipment as in the case of wet pouring or painting methods, and the supply of the surface layer material can be connected to the extrusion molding operation to perform the process efficiently. By installing the roller so that its center is located slightly inside the tip of the extrusion die, the surface layer material forms a smooth surface layer as if it were embedded in the molded raw board, and the thickness of the surface layer is adjusted by the roller. It can be arbitrarily adjusted by moving the position up or down.
次に上述の如く生板上に所望の厚さに押圧され
た表層材料を硬化固着させるのに、本発明では独
特の二段階散水工程を採用した。即ち第一段階と
しては表層材料の硬化に必要な水量の約1/3〜1/2
量の水を、表層材料が飛散したり型崩れしない程
度の低いスプレー圧で散布して表層材料を生板上
に定着させるもので、スプレー圧は概ね１Kg／cm2
以下、通常は0.5Kg／cm2程度である。次いで第二
段階として残部の水を第一段階よりも高いスプレ
ー圧で散布することにより、表層材料中のセメン
トや無機混和剤を沈着せしめると共に硬質骨材は
これを表面に露出させて、表層自体を生板上に硬
化固着せしめる。この第二段階におけるスプレー
圧は１Kg／cm2以上で通常は1.5〜２Kg／cm2程度で
ある。このように水の散布を二段階に分けて行う
のは単に表層の硬化だけではなく、表層材料中の
硬質材料を表面に露出させて耐磨耗性能を充分に
発揮させるためであり、これは以下に説明すると
おり一回の散水工程では所期の目的を達成するこ
とはできない。即ち表層材料の硬化に必要な水の
全量を0.5Kg／cm2程度のスプレー圧で一回に散布
しても硬質骨材の露出は不充分で耐磨耗性を充分
に発揮させることはできない。また最初から硬質
骨材が充分露出する程度のスプレー圧で散水すれ
ば、乾式状態の表層材料は飛散したり型崩れす
る。従つて本発明において二段階散水工程は重要
必須工程である。 Next, in order to harden and fix the surface layer material pressed to the desired thickness onto the green board as described above, the present invention employs a unique two-step water sprinkling process. In other words, in the first stage, approximately 1/3 to 1/2 of the amount of water required to harden the surface layer material.
This method fixes the surface layer material onto the green board by spraying a small amount of water at a low spray pressure that does not cause the surface layer material to scatter or lose its shape.The spray pressure is approximately 1 kg/cm 2
Below, it is usually about 0.5Kg/cm 2 . Then, in the second stage, the remaining water is sprayed at a higher spray pressure than in the first stage, thereby depositing the cement and inorganic admixtures in the surface layer material, and exposing the hard aggregate to the surface, causing the surface layer itself to dissolve. Let it harden and stick onto the raw board. The spray pressure in this second stage is 1 Kg/cm 2 or more, usually about 1.5 to 2 Kg/cm 2 . The reason for spraying water in two stages is not only to harden the surface layer, but also to expose the hard material in the surface layer to the surface to fully demonstrate its wear resistance. As explained below, the intended purpose cannot be achieved with a single watering process. In other words, even if the entire amount of water required to harden the surface material is sprayed at a spray pressure of about 0.5 kg/cm 2 at a time, the exposure of the hard aggregate will not be sufficient and the wear resistance will not be fully demonstrated. . Furthermore, if water is sprayed at a spray pressure that sufficiently exposes the hard aggregate from the beginning, the dry surface material will scatter or lose its shape. Therefore, the two-stage watering process is an important and essential process in the present invention.
従来、押出成形板の表面に着色層を形成せしめ
るに当り、表層材料を乾式で供給し、水を散布し
て硬化させる方法が知られているが（特開昭59−
93309号）、この方法では硬化に必要な水の全量を
一回で散布するものであり、本発明独特の二段階
方式による水の散布工程を示唆するに足る技術は
何等示されていない。なお本発明の如く表層の表
面に硬質骨材を充分に露出させて耐磨耗性能を向
上させることは、従来の湿式流し込みや塗布方式
によつても困難であることは特に説明するまでも
ないところである。 Conventionally, when forming a colored layer on the surface of an extrusion-molded plate, a method is known in which the surface layer material is supplied dry and then hardened by spraying water (Japanese Patent Application Laid-Open No. 1983-1999).
No. 93309), in this method, the entire amount of water required for curing is sprayed at once, and no technology has been disclosed that is sufficient to suggest the two-stage water spraying process unique to the present invention. It goes without saying that it is difficult to fully expose the hard aggregate on the surface of the surface layer and improve wear resistance as in the present invention, even with conventional wet pouring or coating methods. By the way.
本発明の表層材料としては硬質材料（オリビン
サンド、各種硅石、陶磁器粉末、その他）を主体
とし、これにセメント及び無機混和剤（硅石、け
い藻土、炭酸カルシウム等）を配合するものであ
るが、セメント及び無機混和剤の量は表層の固着
を害しない程度になるべく少量にする。また硬質
骨材の粒径は通常１〜３mm程度、表層の厚さは
1.5〜３mm程度であるがこれに限定されるもので
はない。なおロールプレス圧は５〜６Kg／cm2程度
である。 The surface layer material of the present invention is mainly composed of hard materials (olivine sand, various types of silica stone, ceramic powder, etc.), and cement and inorganic admixtures (silica stone, diatomaceous earth, calcium carbonate, etc.) are mixed therein. The amounts of cement and inorganic admixtures should be as small as possible without damaging the adhesion of the surface layer. In addition, the particle size of hard aggregate is usually about 1 to 3 mm, and the thickness of the surface layer is
The thickness is approximately 1.5 to 3 mm, but is not limited to this. Note that the roll press pressure is about 5 to 6 kg/cm 2 .
本発明は図面に示すような態様で効率よく実施
することができるが、以下実施例によつてこれを
具体的に説明する。 Although the present invention can be efficiently implemented in the form shown in the drawings, this will be specifically explained below with reference to Examples.
（実施例）
押出材料の配合 表層材料の配合
普通セメント 100重量部
鋳物砂３号 100重量部
硅石粉末 30 普通セメント 50
石 綿 5 硅石粉末 20
パルプ 1
メチルセルローズ 1
水 30
上記配合の押出成形生板（厚さ５cm、巾60cm）
上に表層材料をロールプレス圧５Kg／cm2で２mm厚
さに押圧し、1800ｇ／m2の割合で水を散布して表
層を差化固着させ、長さ3mに切断し、常法によ
つてオートクレーブ養生して製品とする。(Example) Blend of extrusion material Blend of surface material Ordinary cement 100 parts by weight
Foundry sand No. 3 100 parts by weight Silica powder 30 Ordinary cement 50 Asbestos 5 Silica powder 20 Pulp 1 Methyl cellulose 1 Water 30 Extrusion molded raw board with the above composition (thickness 5 cm, width 60 cm)
The surface layer material was pressed on top to a thickness of 2 mm with a roll press pressure of 5 kg/cm 2 , water was sprayed at a rate of 1800 g/m 2 to fix the surface layer, and the material was cut into 3 m long pieces using a conventional method. The product is then cured in an autoclave.
Ａ （比較例）
スプレー圧0.5Kg／cm2で1800ｇ／m2を一度に散
布。A (Comparative example) 1800g/ m2 was sprayed at once with a spray pressure of 0.5Kg/cm2.
Ｂ （本発明）
スプレー圧0.5Kg／cm2で900ｇ／m2を散布し、約
10〜20秒後にスプレー圧２Kg／cm2で900ｇ／m2を
散布。B (Invention) Spray 900g/ m2 at a spray pressure of 0.5Kg/ cm2 , approximately
After 10-20 seconds, spray 900g/m 2 at a spray pressure of 2Kg/cm 2 .
Ａ・Ｂ両処理製品の性能は次のとおりである。 The performance of both A and B treated products is as follows.
表層の付着強度
表層の耐磨耗性（JIS K6902）
Ａ 18Kg／cm2 46mg／100回転
Ｂ 25Kg／cm2 20ft／100回転 Adhesion strength of surface layer
Abrasion resistance of surface layer (JIS K6902) A 18Kg/cm 2 46mg/100 rotations B 25Kg/cm 2 20ft/100 rotations
第１図は本発明の実施方法を示す概略図で、１
…押出ダイス、２…ローラー、３…表層材料供給
容器、４…第１次散水機、５…第２次散水機、６
…押出成形生板、７…表層。
FIG. 1 is a schematic diagram showing a method of carrying out the present invention.
...Extrusion die, 2...Roller, 3...Surface layer material supply container, 4...Primary water sprinkler, 5...Second water sprinkler, 6
...Extrusion molded raw board, 7...Surface layer.
Claims (1)
先端上部にローラーを設け、ローラーとダイスと
の間隙より硬質骨材、セメント及び無機混和剤を
配合した表層材料を乾式状態で供給し、ローラー
で所定の厚さに均らすと共に押出成形生板上に押
圧し、次に表層材料の硬化に必要な水量の約1/3
〜1/2量の水を表層材料が飛散したり、型崩れし
ない程度のスプレー圧で散布して表層材料を生板
上に定着させた後、残部の水をより高いスプレー
圧で散布することにより、セメント及び無機混和
剤を生板上に沈着させると共に硬質材料を表面に
露出させて表層を固着させることを特徴とする耐
磨耗性押出成形板の製造方法。1. A roller is installed at the top of the extrusion die for forming a cement-based extrusion plate, and a surface layer material containing hard aggregate, cement, and an inorganic admixture is supplied in a dry state from the gap between the roller and the die, and the roller is used to form a predetermined amount. Approximately 1/3 of the amount of water required to level the thickness and press it onto the extruded raw board, then harden the surface layer material.
Spray ~1/2 amount of water at a spray pressure that does not cause the surface layer material to scatter or lose its shape, and after fixing the surface layer material on the green board, spray the remaining water at a higher spray pressure. A method for manufacturing a wear-resistant extrusion-molded board, characterized by depositing cement and an inorganic admixture on a green board, and exposing a hard material on the surface to fix the surface layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12622885A JPS61284405A (en) | 1985-06-12 | 1985-06-12 | Manufacture of abrasion-resistant extrusion molded board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12622885A JPS61284405A (en) | 1985-06-12 | 1985-06-12 | Manufacture of abrasion-resistant extrusion molded board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61284405A JPS61284405A (en) | 1986-12-15 |
| JPH0331322B2 true JPH0331322B2 (en) | 1991-05-02 |
Family
ID=14929936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12622885A Granted JPS61284405A (en) | 1985-06-12 | 1985-06-12 | Manufacture of abrasion-resistant extrusion molded board |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61284405A (en) |
-
1985
- 1985-06-12 JP JP12622885A patent/JPS61284405A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61284405A (en) | 1986-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |