JP2510835Y2 - Kneaded clay hopper for refractory molding - Google Patents
Kneaded clay hopper for refractory moldingInfo
- Publication number
- JP2510835Y2 JP2510835Y2 JP4337890U JP4337890U JP2510835Y2 JP 2510835 Y2 JP2510835 Y2 JP 2510835Y2 JP 4337890 U JP4337890 U JP 4337890U JP 4337890 U JP4337890 U JP 4337890U JP 2510835 Y2 JP2510835 Y2 JP 2510835Y2
- Authority
- JP
- Japan
- Prior art keywords
- kneaded clay
- hopper
- kneaded
- refractory
- stirring blade
- 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 - Lifetime
Links
Landscapes
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
Description
【考案の詳細な説明】 産業上の利用分野 本考案は、耐火れんが等の耐火物成形用坏土ホッパー
に関する。TECHNICAL FIELD The present invention relates to a clay hopper for forming refractory materials such as refractory bricks.
従来の技術 耐火物成形用の坏土は、通常原料粒度が１μ〜5mmと
幅広く、各粒子が均一に分散すれば偏析は生じないが、
コンベヤーからの落下や計重ホッパーからの落下時に各
粒子が偏ってしまうことが多い。そのため、耐火物成形
用の坏土ホッパー内に攪拌装置を設けて坏土を混合する
ことにより、粒子の偏析を防止することが行われてい
る。Conventional technology The kneaded material for refractory molding usually has a wide range of raw material particle sizes of 1 μm to 5 mm, and if each particle is uniformly dispersed, segregation does not occur.
When falling from a conveyor or from a weighing hopper, each particle is often biased. Therefore, a segregation device is provided in the kneaded material hopper for forming the refractory material to mix the kneaded material, thereby preventing segregation of particles.
また、成形素地にテーパーが必要な場合、坏土を金型
に水平状態に投入してプレスすると、れんが充填率のば
らつきがれんが内に発生して品質上好ましくない。Further, when the forming material needs to have a taper, if the kneaded material is put into the mold in a horizontal state and pressed, the brick filling rate varies within the brick, which is not preferable in terms of quality.
考案が解決しようとする課題 そのため、金型内に坏土を投入した後に、金型内の坏
土をならして成形れんがの所定のテーパーに合った勾配
とする必要がある。Therefore, after the kneaded material is put into the mold, the kneaded material in the mold is required to be leveled so as to have a slope that matches a predetermined taper of the molded brick.
その方法として、金型内に坏土を投入した後に坏土な
らし機具で所定の坏土テーパーにならすものや、坏土ホ
ッパー内に攪拌装置を配設してホッパー内において攪拌
羽根で坏土を混合すると同時に、所定の坏土テーパーを
つくるものが知られている。As the method, after putting the kneaded clay into the mold, the kneaded clay leveling device is used to make a predetermined kneaded clay taper, or a stirring device is arranged in the kneaded clay hopper and the kneaded clay is mixed with a stirring blade in the hopper. It is known that a predetermined kneaded clay taper is formed at the same time when the materials are mixed.
しかし、前者は、坏土テーパーをつける時間だけ成形
セイクルタイムが長くなり、生産性の点で不利である。However, the former is disadvantageous in terms of productivity because the molding time becomes longer by the time when the kneaded clay is tapered.
また、後者は、坏土ホッパー内で坏土テーパーを同時
につけられるので、生産性の点で有利であるが、攪拌羽
根をタイマーで所定時間作動するように制御していたた
め、攪拌羽根の回転開始位置と回転終了位置が異なって
一定にならず、坏土テーパーが少しずつ異なって寸法精
度にばらつきが生じ、品質の安定した坏土テーパー付き
のれんがを成形することが容易でなかった。Also, the latter is advantageous in terms of productivity since the clay can be tapered simultaneously in the clay hopper, but the stirring blade was controlled to operate for a predetermined time by the timer, so the rotation of the stirring blade started. The position and the rotation end position were different and were not constant, the kneaded clay taper was slightly different, and the dimensional accuracy varied, and it was not easy to form a brick with a kneaded clay tape of stable quality.
課題を解決するための手段 本考案は上記のような点に鑑みたもので、上記の課題
を解決するために、坏土ホッパーにホッパー内の坏土を
所定の坏土テーパーをつけられるように攪拌羽根を設け
た耐火物成形用坏土ホッパーにおいて、攪拌羽根の回転
軸にその回転位置を検出する回転位置検出器を設けると
ともに、攪拌羽根の回転回数を設定自在に回転回数器を
配設したことを特徴とする耐火物成形用坏土ホッパーを
提供するにある。Means for Solving the Problems The present invention has been made in view of the above points, and in order to solve the above problems, the kneaded clay in the hopper can be provided with a predetermined kneaded clay. In a refractory molding clay hopper with stirring blades, a rotation position detector for detecting the rotation position of the stirring blades was provided on the rotation axis of the stirring blades, and a rotation frequency device was arranged to freely set the number of rotations of the stirring blades. Another object of the present invention is to provide a kneaded clay hopper for forming a refractory material.
作用 本考案よれば、攪拌羽根の回転軸に設けた位置検出器
によって、攪拌羽根の回転開始位置、回転終了位置を常
に正確に検出できる。According to the present invention, the position detector provided on the rotating shaft of the stirring blade can always accurately detect the rotation start position and the rotation end position of the stirring blade.
そして、攪拌羽根の回転回数を設定自在に配設した回
転回数器によって、耐火物成形体の寸法や坏土テーパー
等に対して常に正確な回転回数を設定でき、上記の回転
位置の正確な位置検出と合わせて坏土粒子の偏析を有効
に防止できて、安定した寸法精度の耐火物を成形サイク
ルもできるだけ短く成形することができる。With the rotation number device which is arranged so that the number of rotations of the stirring blade can be set freely, an accurate number of rotations can always be set with respect to the dimensions of the refractory molded body, the kneaded clay taper, etc. Segregation of kneaded clay particles can be effectively prevented in combination with detection, and a refractory having stable dimensional accuracy can be molded with a molding cycle as short as possible.
実施例 以下、本発明を実施例にもとづいて説明する。Examples Hereinafter, the present invention will be described based on Examples.
第１図以下は、本考案の一実施例である。坏土ホッパ
ー１は、第１図のようにコンベヤー等で坏土原料を投入
して計重する計重ホッパー２の下方部に配設され、れん
がプレス（図示せず）の成形スケジュールにしたがって
図示のように金型３上に搬送されて坏土を金型３内に投
入できるようにしている。この坏土ホッパー１には、第
１図、第２図のように攪拌装置４を配設し、第２図、第
３図のように下方が狭くなった箱状のホッパー本体５に
軸支して架設した回転軸６にアーム７を介して一定の間
隔でフラットバーや板状の攪拌羽根８を取着して、投入
された坏土粒子の偏析が発生しないようにしているとと
もに、攪拌羽根８の角度を変えられるようにして投入さ
れた坏土を所定の坏土テーパーにできるようにしてい
る。FIG. 1 and the following are embodiments of the present invention. The kneaded clay hopper 1 is disposed below the weighing hopper 2 for feeding and weighing the kneaded clay raw material by a conveyor as shown in FIG. 1, and is illustrated according to the molding schedule of the brick press (not shown). As described above, the kneaded material is conveyed to the mold 3 and can be put into the mold 3. The kneaded clay hopper 1 is provided with a stirring device 4 as shown in FIGS. 1 and 2, and is pivotally supported on a box-shaped hopper body 5 having a narrowed lower portion as shown in FIGS. 2 and 3. A flat bar or a plate-shaped stirring blade 8 is attached to the rotating shaft 6 installed via the arm 7 at regular intervals to prevent segregation of the kneaded clay particles that have been introduced and to stir it. The kneaded clay that has been introduced so that the angle of the blade 8 can be changed can be formed into a predetermined kneaded clay taper.
上記坏土ホッパー１に装着した攪拌羽根８の回転軸６
の一端側には第１図、第２図のようにスプロケット９を
取着し、スプロケット９をチェーン10でブレーキ付きの
ギヤードモーター11に懸架して攪拌羽根８を回転駆動で
きるようにしている。そして、回転軸６の他端側には第
２図、第３図のように棒状のカム12を取着し、このカム
12に近接リミットスイッチ等の位置検出器13を適宜の位
置に対向して配設し、位置検出器13を図外の回転回数器
に電気接続して、回転回数器で設定した回転回数だけ攪
拌羽根８を回転駆動できるとともに攪拌羽根８の回転開
始位置と回転終了位置とを正確に一致して設定できるよ
うにしている。The rotating shaft 6 of the stirring blade 8 mounted on the kneaded clay hopper 1.
As shown in FIGS. 1 and 2, a sprocket 9 is attached to one end of the sprocket 9, and the sprocket 9 is suspended by a chain 10 on a geared motor 11 with a brake so that the stirring blade 8 can be driven to rotate. Then, a rod-shaped cam 12 is attached to the other end of the rotary shaft 6 as shown in FIGS.
A position detector 13 such as a proximity limit switch is arranged on the 12 so as to face an appropriate position, and the position detector 13 is electrically connected to a rotation counter (not shown) to stir for the number of rotations set by the rotation counter. The blade 8 can be rotationally driven, and the rotation start position and the rotation end position of the stirring blade 8 can be accurately set.
上記坏土ホッパー１は、第１図のようにエアーシリン
ダーのゲート開閉装置14でリンク接続したゲート開閉ア
ーム15を介してゲート16を開閉自在としており、坏土ホ
ッパー１に投入して上記攪拌装置４で攪拌した坏土を金
型３に投下できるようにしている。The kneaded clay hopper 1 can open and close a gate 16 via a gate opening / closing arm 15 linked to a gate opening / closing device 14 of an air cylinder as shown in FIG. The kneaded material stirred in 4 can be dropped into the mold 3.
使用例 マグネシア・カーボン質れんがについて、1080mm×15
0mm寸法、136/94.5mmテーパーのものを1000トン出力の
フリクションプレスで成形した。Example of use About magnesia carbon brick, 1080mm × 15
A 0 mm size, 136 / 94.5 mm taper was molded with a 1000 ton output friction press.
坏土は、1080mmの長さ方向に136/94.5mmのれんがテー
パーに合うように攪拌羽根を調整し、計重ホッパーから
投下された坏土を上下攪拌すると同時に坏土テーパーを
つくった。その際、攪拌羽根の回転回数を５回に回転回
数器に設定し、攪拌羽根の回転開始位置、回転終了位置
を各成形ロットごとに同一位置となるように位置検出器
で検出するようにして、連続して23個成形した。その結
果は、次表の通りである。For the kneaded clay, the stirring blades were adjusted so that the bricks of 136 / 94.5 mm in the length direction of 1080 mm fit the taper, and the kneaded clay dropped from the weighing hopper was vertically stirred, and at the same time, the kneaded clay was tapered. At that time, the number of rotations of the stirring blade is set to 5 times in the rotation number device, and the rotation detector is configured to detect the rotation start position and the rotation end position of the stirring blade by the position detector so as to be the same position for each molding lot. , 23 pieces were continuously molded. The results are shown in the table below.
上表から分かるように、耐火物成形体の重量の精度に
差はないが、本考案では厚みのばらつきが従来に比べて
ほぼ半減し、厚み寸法の精度を向上できた。 As can be seen from the above table, there is no difference in the accuracy of the weight of the refractory molded body, but in the present invention, the variation in the thickness is almost halved compared to the conventional one, and the accuracy of the thickness dimension can be improved.
このように、テーパー付き耐火物成形体の厚み寸法の
ばらつきが少なくて、品質を安定できるとともに、ホッ
パー内攪拌をプレス成形中に行えるため金型内でのなら
し時間を削減できて成形サイクルタイムも短縮できるも
のである。In this way, there is little variation in the thickness of tapered refractory moldings, quality can be stabilized, and since stirring in the hopper can be performed during press molding, the leveling time in the mold can be reduced and the molding cycle time can be reduced. Can be shortened.
なお、攪拌羽根の回転回数は、成形するれんが形状、
特に長さや攪拌羽根の攪拌能力により異なるが、通常３
〜10回でプレス成形サイクルタイムの間に秤量、攪拌が
終了するように設定する必要がある。The number of rotations of the stirring blade depends on the shape of the brick to be molded,
It depends on the length and the stirring ability of the stirring blade, but usually 3
It is necessary to set so that weighing and stirring are completed during the press molding cycle time at ~ 10 times.
上記では、攪拌羽根の位置、回転回数を近接リミット
スイッチの位置検出器を使って行ったが、エンコーダー
やパイプ発振器、その他の位置検出器、回転回数器を使
用することもできる。In the above description, the position and the number of rotations of the stirring blade are performed by using the position detector of the proximity limit switch, but an encoder, a pipe oscillator, other position detectors, and a rotation number device may be used.
実施例では、テーパー付きの耐火物成形体について説
明したが、坏土粒子の大小の差が大きいものや、原料比
重差の大きな坏土配合のテーパーなしの耐火物成形体に
ついても、金型内での偏析を防止できるように投入でき
るものである。In the examples, the refractory molded body with a taper was described, but for the refractory molded body without a taper having a large difference in the size of the kneaded clay particles and the kneaded clay mixture having a large difference in the raw material specific gravity, It can be added to prevent segregation at.
考案の効果 以上のように本考案にあっては、坏土ホッパーに配設
の攪拌羽根の回転位置を耐火物成形体のロット毎等に所
定位置に常に正確に設定でき、また攪拌羽根の回転回数
を所定の坏土テーパー等になるように適宜に設定でき
る。そのため、最大粒径と最小粒径の差が大きい坏土配
合構成や原料比重差の大きな坏土原料を混合した配合の
場合においても、金型内での坏土粒度の偏析の発生を極
力防止でき、また攪拌と同時に所要の坏土テーパーをつ
ける場合にも、同様に坏土粒度に偏析が生じるのを防止
できる。したがって、安定した均一な配合の坏土を金型
内に投入できて、特に厚み寸法の精度の向上がはかれ、
品質の安定した耐火物成形体を成形サイクルタイムを短
縮できて成形することができるものである。Effects of the Invention As described above, according to the present invention, the rotation position of the stirring blade provided in the kneaded clay hopper can be always accurately set to a predetermined position for each lot of the refractory molded body, and the rotation of the stirring blade can be improved. The number of times can be appropriately set so as to obtain a predetermined kneaded clay taper or the like. Therefore, even when the kneaded clay composition has a large difference between the maximum particle size and the minimum particle size, or when the kneaded material with a large difference in raw material specific gravity is mixed, segregation of the kneaded material particle size in the mold is prevented as much as possible. It is possible to prevent the segregation of the kneaded clay particle size when the required kneaded clay taper is provided at the same time as the stirring. Therefore, the kneaded material having a stable and uniform composition can be put into the mold, and the accuracy of the thickness dimension can be improved,
A refractory molded body of stable quality can be molded by shortening the molding cycle time.
第１図は本考案の一実施例の概略説明図、第２図は同上
の坏土ホッパー部の一部省略した平面図、第３図は同上
の攪拌羽根、回転軸部の側断面図である。 １……坏土ホッパー、３……金型、４……攪拌装置、６
……回転軸、８……攪拌羽根、12……カム、13……位置
検出器。FIG. 1 is a schematic explanatory view of an embodiment of the present invention, FIG. 2 is a plan view of the above-mentioned kneaded clay hopper part with a part omitted, and FIG. 3 is a side sectional view of the above-mentioned stirring blade and rotating shaft part. is there. 1 ... Pug hopper, 3 ... Mold, 4 ... Stirrer, 6
...... Rotary shaft, 8 ... Stirring blade, 12 ... Cam, 13 ... Position detector
Claims (1)
坏土テーパーをつけられるように攪拌羽根を設けた耐火
物成形用坏土ホッパーにおいて、 攪拌羽根の回転軸にその回転位置を検出する回転位置検
出器を設けるとともに、攪拌羽根の回転回数を設定自在
に回転回数器を配設したことを特徴とする耐火物成形用
坏土ホッパー。1. A kneaded material hopper for refractory forming, which is provided with stirring blades so that the kneaded material in the hopper can be tapered to a predetermined kneaded material in a kneaded material hopper. A kneaded material hopper for forming a refractory, which is provided with a rotation position detector for controlling the number of rotations of the stirring blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4337890U JP2510835Y2 (en) | 1990-04-23 | 1990-04-23 | Kneaded clay hopper for refractory molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4337890U JP2510835Y2 (en) | 1990-04-23 | 1990-04-23 | Kneaded clay hopper for refractory molding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH042602U JPH042602U (en) | 1992-01-10 |
| JP2510835Y2 true JP2510835Y2 (en) | 1996-09-18 |
Family
ID=31555744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4337890U Expired - Lifetime JP2510835Y2 (en) | 1990-04-23 | 1990-04-23 | Kneaded clay hopper for refractory molding |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2510835Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5297239B2 (en) * | 2009-03-23 | 2013-09-25 | 株式会社タイガーマシン製作所 | Feeding box equipment |
-
1990
- 1990-04-23 JP JP4337890U patent/JP2510835Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH042602U (en) | 1992-01-10 |
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