JPH10100131A - Screw structure of auger machine - Google Patents
Screw structure of auger machineInfo
- Publication number
- JPH10100131A JPH10100131A JP26052696A JP26052696A JPH10100131A JP H10100131 A JPH10100131 A JP H10100131A JP 26052696 A JP26052696 A JP 26052696A JP 26052696 A JP26052696 A JP 26052696A JP H10100131 A JPH10100131 A JP H10100131A
- Authority
- JP
- Japan
- Prior art keywords
- clay
- screw structure
- blade
- screw
- projection parts
- 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
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
- Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、例えば陶磁器製造
用に使用する土練機の２次胴において、坏土を圧着して
送給するために使用されるスクリューの構造に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to the structure of a screw used for press-fitting and feeding kneaded clay in, for example, a secondary cylinder of a clay kneading machine used for producing porcelain.
【０００２】[0002]
【従来の技術】従来から、例えば陶磁器製造用の坏土を
真空室で脱気し、２次胴の羽根で坏土を練り、練った坏
土を坏土押出ドラムで押し固め、口金から押出して円柱
形状の坏土を得るために使用する土練機は数々の構成の
ものが知られている。2. Description of the Related Art Conventionally, for example, kneaded clay for producing ceramics is degassed in a vacuum chamber, kneaded with the blades of a secondary barrel, and the kneaded clay is pressed with a kneading extruding drum and extruded from a die. There are known various types of clay kneading machines used to obtain a cylindrical clay.
【０００３】図３は従来の土練機の２次胴の一例の構成
を示す図である。図３に示す例において、真空室５１と
坏土押出ドラム５２との間に設けられた２次胴５３は、
その内部に、坏土の上流側から下流側に向かって、トン
ボ型羽根５４と、シングルスクリュー５５と、ダブルス
クリュー５６とを、一本の回転軸５７に設けた構造を有
している。FIG. 3 is a view showing an example of the structure of a secondary cylinder of a conventional clay kneader. In the example shown in FIG. 3, the secondary drum 53 provided between the vacuum chamber 51 and the clay extrusion drum 52 is
The inside thereof has a structure in which a register mark type blade 54, a single screw 55, and a double screw 56 are provided on a single rotating shaft 57 from the upstream side to the downstream side of the clay.
【０００４】上述した２次胴５３の構成は、真空室５１
で脱気した坏土を練って坏土押出ドラムへ送り出す機能
を有している。そして、この２次胴５３での練り状態の
均一性が、押出坏土の品質（内部性状）を決定する一要
因であり、良質の押出坏土を得るためには２次胴５３の
構成、特にスクリューすなわちシングルスクリュー５５
およびダブルスクリュー５６の構成が重要になる。[0004] The structure of the secondary cylinder 53 described above is different from that of the vacuum chamber 51.
Has a function of kneading the kneaded clay degassed by the above and sending the kneaded clay to a kneaded clay extrusion drum. The uniformity of the kneading state in the secondary body 53 is one factor that determines the quality (internal properties) of the extruded clay, and in order to obtain a high-quality extruded clay, the configuration of the secondary body 53, In particular a screw or single screw 55
And the structure of the double screw 56 becomes important.
【０００５】[0005]
【発明が解決しようとする課題】ところで、図３に示す
構造の従来の土練機の２次胴５３では、練った坏土をダ
ブルスクリュー５６の端部から下流側の坏土押出ドラム
５２へ供給している。ダブルスクリュー５６の端部で
は、２つの坏土出口から個別に坏土が押出され、回転と
ともに押出された坏土が一体となる。この際、回転軸５
７の付近に坏土が十分に供給されず、坏土が一体となっ
たとき回転軸５７に対応する中心部の坏土の圧着が不十
分となる問題があった。By the way, in the secondary drum 53 of the conventional clay kneading machine having the structure shown in FIG. 3, the kneaded clay is transferred from the end of the double screw 56 to the clay extrusion drum 52 on the downstream side. Supplying. At the end of the double screw 56, the clay is individually extruded from the two clay outlets, and the extruded clay is integrated with the rotation. At this time, the rotating shaft 5
7, the kneaded clay was not sufficiently supplied, and when the kneaded clay was integrated, there was a problem that the pressure bonding of the kneaded clay at the central portion corresponding to the rotating shaft 57 was insufficient.
【０００６】そのため、従来の２次胴５３を使用した土
練機で得られた円柱形状の押出坏土を使用して、例えば
円柱形状の一端が頭部に他端が笠部になるよう懸垂碍子
を成形して乾燥すると、頭部に割れや切れ（頭部切れ）
が発生する問題が多発していた。また、頭部に目視で観
察できる頭部切れがなくても、成形体を焼成すると内部
欠陥（中切れ）が検出される問題があった。[0006] Therefore, using a cylindrical extruded clay obtained by a clay kneading machine using a conventional secondary drum 53, for example, a cylindrical shape is suspended such that one end of the cylinder is a head and the other end is a cap. When the insulator is formed and dried, cracks or cuts on the head (cut head)
The problem that occurs occurs frequently. In addition, there is a problem that even if the head does not have any visible cuts in the head, internal defects (medium cuts) are detected when the molded body is fired.
【０００７】本発明の目的は上述した課題を解消して、
欠陥のない製品を作製できる安定した品質の坏土を得る
ことができる土練機のスクリュー構造を提供しようとす
るものである。An object of the present invention is to solve the above-mentioned problems,
An object of the present invention is to provide a screw structure of a clay kneading machine capable of obtaining a stable quality kneaded clay capable of producing a defect-free product.
【０００８】[0008]
【課題を解決するための手段】本発明の土練機のスクリ
ュー構造は、土練機の２次胴で使用されるスクリュー構
造において、坏土出口側に設けたダブルスクリューの羽
根面に、複数の突起部を設けたことを特徴とするもので
ある。According to the present invention, there is provided a screw structure for a kneading machine, wherein a screw structure used in a secondary cylinder of the kneading machine has a plurality of blades provided on a blade surface of a double screw provided on a kneaded material outlet side. Are provided.
【０００９】上述した構成において、坏土出口側に設け
たダブルスクリューの羽根面に設けた複数の突起部が、
２つの坏土出口から回転を伴って排出される坏土を一体
化前に解砕して、回転軸に対応する部分に坏土を供給で
き、その結果、ダブルスクリューから均質な坏土を下流
側の坏土押出ドラムへ供給することができる。[0009] In the above structure, a plurality of protrusions provided on the blade surface of the double screw provided on the kneaded material outlet side,
The kneaded clay discharged from the two kneaded clay outlets with rotation can be disintegrated before being integrated, and the kneaded clay can be supplied to a portion corresponding to the rotating shaft. Can be supplied to the clay extrusion drum on the side.
【００１０】[0010]
【発明の実施の形態】図１は本発明の土練機のスクリュ
ー構造を適用した直径５００ｍｍの２次胴の一例の構成
を示す図である。図１に示す例において、真空室１と坏
土押出ドラム２との間に設けられた２次胴３は、従来と
同様にその内部に、坏土の上流側から下流側に向かっ
て、トンボ型羽根４と、シングルスクリュー５と、ダブ
ルスクリュー６とを、一本の回転軸７に設けた構造を有
している。そのため、坏土出口側にはダブルスクリュー
６が設けられた構造となっている。また、回転軸７の真
空室１内の端部には扇型羽根８を設けている。そして、
本発明では、坏土出口側に設けたダブルスクリュー６の
羽根面に、複数の突起部１２を設けるとともにボス部９
の周囲にも突起部１３を設けている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 is a view showing an example of the configuration of a secondary cylinder having a diameter of 500 mm to which a screw structure of a clay kneader according to the present invention is applied. In the example shown in FIG. 1, the secondary drum 3 provided between the vacuum chamber 1 and the kneaded clay extruding drum 2 includes It has a structure in which a mold blade 4, a single screw 5, and a double screw 6 are provided on one rotating shaft 7. Therefore, the double screw 6 is provided on the kneaded material exit side. A fan-shaped blade 8 is provided at an end of the rotary shaft 7 in the vacuum chamber 1. And
In the present invention, a plurality of protrusions 12 are provided on the blade surface of the double screw 6 provided on the kneaded material outlet side, and the boss 9
Are also provided around the periphery.
【００１１】図２はダブルスクリュー６の羽根面の状態
をさらに詳細に示す図であり、図２（ａ）は回転軸７方
向からみた図を、図２（ｂ）は図２（ａ）の側面図を、
図２（ｃ）および図２（ｄ）は突起部の形状をそれぞれ
示している。図２に示す例では、ダブルスクリュー６の
表面および裏面の羽根面１１に、一定間隔で複数の突起
部１２を設けている。各突起部１２は、図２（ｃ）に示
すように、６角ボルトの形状を有している。FIG. 2 is a diagram showing the state of the blade surface of the double screw 6 in more detail. FIG. 2 (a) is a diagram viewed from the direction of the rotating shaft 7, and FIG. 2 (b) is a diagram of FIG. Side view,
FIGS. 2C and 2D show the shapes of the protrusions, respectively. In the example shown in FIG. 2, a plurality of protrusions 12 are provided at regular intervals on the blade surface 11 on the front surface and the back surface of the double screw 6. Each projection 12 has a hexagonal bolt shape as shown in FIG.
【００１２】図２に示す例において、突起部１２の取付
対象がダブルスクリュー６の羽根面１１であるので、突
起部１２を、ダブルスクリュー６を構成する２つの羽根
面１１において、左右対称の位置に取り付けている。ま
た、羽根面１１の先端側の同一半径方向にピッチＰ1 で
設けた複数個、ここでは３個の突起部１２を起点にし
て、突起部１２を回転方向に対して千鳥に取り付け、回
転した際の同心円の線上に突起部１２が隣接して並ばな
いようにしている。さらに、裏面側の突起部１２は、表
面側の突起部１２と対面しない位置に取り付けている。
さらにまた、６角ボルト形状の突起部１２の角部分を回
転方向に向けて取り付けている。なお、図２（ｃ）に示
す突起部１２の大きさの一例は、Ａ：２４ｍｍ、Ｈ：２
４ｍｍである。In the example shown in FIG. 2, since the projection 12 is attached to the blade surface 11 of the double screw 6, the projection 12 is located at a symmetrical position on the two blade surfaces 11 of the double screw 6. Attached to. Further, a plurality provided at a pitch P 1 in the same radial direction of the distal end side of the blade surface 11, here as a starting point three projections 12, mounted in a staggered protrusions 12 with respect to the rotational direction, and rotation The projections 12 are arranged so as not to be adjacent to each other on the concentric circle line. Furthermore, the projection 12 on the back side is attached to a position not facing the projection 12 on the front side.
Furthermore, the corners of the hexagonal bolt-shaped projections 12 are attached in the direction of rotation. An example of the size of the protrusion 12 shown in FIG. 2C is A: 24 mm, H: 2
4 mm.
【００１３】また、図２に示す例では、好ましい態様と
して、ダブルスクリュー６の先端のボス部９の周囲の羽
根面１１に、複数の突起部１３を設けており、ダブルス
クリュー６からより均質な坏土を排出することができ
る。図２（ｄ）はこのようにボス部９の周囲の羽根面１
１に設けた突起部１３の一好適例を示す図である。図２
（ｄ）に示す好適例では、突起部１３を溶接による盛り
上げで形成してその外表面全体に複数の小突起１４を形
成している。突起部１３をこのような構成とすると、突
起部１３が摩耗した場合に、その修復が容易となるため
好ましい。特に、本発明で対象とする突起部１３は摩耗
しやすい位置に設けられているため、この構成は効果が
ある。なお、図２（ｄ）における突起部１３の寸法の一
例は、大きさφ1 ：１２ｍｍ、Ｒ：６ｍｍである。In the example shown in FIG. 2, as a preferred embodiment, a plurality of projections 13 are provided on the blade surface 11 around the boss 9 at the tip of the double screw 6. The clay can be discharged. FIG. 2D shows the blade surface 1 around the boss 9 in this manner.
FIG. 3 is a view showing a preferred example of a protrusion 13 provided in the first embodiment. FIG.
In the preferred example shown in (d), the projection 13 is formed by swelling by welding, and a plurality of small projections 14 are formed on the entire outer surface thereof. It is preferable that the protrusion 13 be configured as described above, because the protrusion 13 can be easily repaired when worn. In particular, this configuration is effective because the projection 13 targeted in the present invention is provided at a position where it is easily worn. In addition, an example of the size of the protrusion 13 in FIG. 2D is a size φ 1 : 12 mm and R: 6 mm.
【００１４】[0014]
【発明の効果】以上の説明から明らかなように、本発明
によれば、ダブルスクリューの羽根面に複数の突起部を
設けたため、これらの突起部が２つの坏土出口から回転
を伴って排出される坏土を一体化前に解砕して、回転軸
に対応する部分に坏土を供給でき、その結果、スクリュ
ーから均質な坏土を下流側の坏土押出ドラムへ供給する
ことができる。As is apparent from the above description, according to the present invention, since a plurality of projections are provided on the blade surface of the double screw, these projections are discharged from the two clay outlets with rotation. Clay can be crushed before being integrated, and the kneaded clay can be supplied to a portion corresponding to the rotating shaft, and as a result, a homogeneous kneaded clay can be supplied from the screw to the downstream clay extrusion drum. .
【図１】本発明の土練機のスクリュー構造を適用した２
次胴の一例の構成を示す図である。FIG. 1 is a diagram showing a case where a screw structure of a kneader according to the present invention is applied.
It is a figure showing composition of an example of the following trunk.
【図２】本発明における羽根面に設けた突起部の一例の
構成を示す図である。FIG. 2 is a diagram illustrating a configuration of an example of a protrusion provided on a blade surface according to the present invention.
【図３】従来の土練機のスクリュー構造の一例を示す図
である。FIG. 3 is a view showing an example of a screw structure of a conventional clay kneader.
１ 真空室、２ 坏土押出ドラム、３ ２次胴、４ ト
ンボ型羽根、５ シングルスクリュー、６ ダブルスク
リュー、７ 回転軸、８ 扇型羽根、９ ボス部、１１
羽根面、１２ 突起部、１３ 突起部、１４ 小突起DESCRIPTION OF SYMBOLS 1 Vacuum chamber, 2 Clay extrusion drum, 3 secondary drum, 4 registration mark type blade, 5 single screw, 6 double screw, 7 rotation shaft, 8 fan type blade, 9 boss part, 11
Blade surface, 12 projections, 13 projections, 14 small projections
Claims (6)
造において、坏土出口側に設けたダブルスクリューの羽
根面に、複数の突起部を設けたことを特徴とする土練機
のスクリュー構造。1. A screw structure used in a secondary cylinder of a clay kneader, wherein a plurality of projections are provided on a blade surface of a double screw provided on a kneaded material outlet side. Screw structure.
ーを構成する２つの羽根面において、左右対称位置に設
けた請求項１記載の土練機のスクリュー構造。2. The screw structure of a clay kneader according to claim 1, wherein said plurality of projections are provided at symmetrical positions on two blade surfaces of said double screw.
の同一半径方向に設けた複数個の突起部を起点にして回
転方向に対して千鳥に設けた請求項１または２記載の土
練機のスクリュー構造。3. The method according to claim 1, wherein the plurality of protrusions are provided in a staggered manner in a rotational direction from a plurality of protrusions provided in the same radial direction on the tip side of the blade surface. Screw structure of clay mixing machine.
けた請求項１〜３のいずれか１項に記載の土練機のスク
リュー構造。4. The screw structure of a clay kneader according to claim 1, wherein said plurality of projections are provided on both sides of said blade surface.
の突起部と対面しない位置に設けた請求項４記載の土練
機のスクリュー構造。5. The screw structure of a clay kneader according to claim 4, wherein the protrusion on the front surface of the blade is provided at a position not facing the protrusion on the rear surface of the blade.
求項１〜５のいずれか１項に記載の土練機のスクリュー
構造。6. The screw structure of a clay kneader according to claim 1, wherein said projections are formed by welding swelling.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26052696A JPH10100131A (en) | 1996-10-01 | 1996-10-01 | Screw structure of auger machine |
| CN 96122083 CN1048676C (en) | 1996-10-01 | 1996-10-31 | Spiral structure of mixer |
| CN 96243409 CN2271151Y (en) | 1996-10-01 | 1996-10-31 | Screw structure of mud-mixing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26052696A JPH10100131A (en) | 1996-10-01 | 1996-10-01 | Screw structure of auger machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10100131A true JPH10100131A (en) | 1998-04-21 |
Family
ID=17349197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26052696A Pending JPH10100131A (en) | 1996-10-01 | 1996-10-01 | Screw structure of auger machine |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPH10100131A (en) |
| CN (2) | CN2271151Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2103403A2 (en) | 2008-03-19 | 2009-09-23 | Ngk Insulators, Ltd. | Clay extruder |
| US8011823B2 (en) | 2007-03-01 | 2011-09-06 | Ngk Insulators, Ltd. | Clay kneader |
| DE10345563B4 (en) * | 2002-10-01 | 2016-03-03 | Denso Corporation | Extrusion molding machine for a ceramic molded product |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105289360B (en) * | 2015-11-18 | 2017-06-16 | 江苏城东建设工程有限公司 | A kind of circulating dual device for dispersing paint |
| CN105643797B (en) * | 2016-03-21 | 2018-12-28 | 杭州灵建工程机械有限公司 | It is rotary pre- to add water and stir mortar basin |
| CN105797617A (en) * | 2016-05-12 | 2016-07-27 | 金柯楠 | Coating dispersion equipment with dispersion protrusions |
-
1996
- 1996-10-01 JP JP26052696A patent/JPH10100131A/en active Pending
- 1996-10-31 CN CN 96243409 patent/CN2271151Y/en not_active Expired - Lifetime
- 1996-10-31 CN CN 96122083 patent/CN1048676C/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10345563B4 (en) * | 2002-10-01 | 2016-03-03 | Denso Corporation | Extrusion molding machine for a ceramic molded product |
| US8011823B2 (en) | 2007-03-01 | 2011-09-06 | Ngk Insulators, Ltd. | Clay kneader |
| EP2103403A2 (en) | 2008-03-19 | 2009-09-23 | Ngk Insulators, Ltd. | Clay extruder |
| US8070350B2 (en) | 2008-03-19 | 2011-12-06 | Ngk Insulators, Ltd. | Clay extruder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1048676C (en) | 2000-01-26 |
| CN1178157A (en) | 1998-04-08 |
| CN2271151Y (en) | 1997-12-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20010220 |