JPH0425229Y2

JPH0425229Y2 -

Info

Publication number: JPH0425229Y2
Application number: JP12629686U
Authority: JP
Priority date: 1986-08-19
Filing date: 1986-08-19
Publication date: 1992-06-16
Also published as: JPS6332642U

Description

【考案の詳細な説明】（産業上の利用分野）この考案はセラミツク原料の粉砕装置に関し、
特に、たとえば粉砕されたセラミツク原料が粉砕
装置の蓋に形成された開口部から吸い出されるセ
ラミツク原料の粉砕装置に関する。[Detailed description of the invention] (Field of industrial application) This invention relates to a crushing device for ceramic raw materials.
In particular, the present invention relates to a grinding device for ceramic raw materials, in which, for example, ground ceramic raw materials are sucked out through an opening formed in a lid of the grinding device.

（従来技術）第４図は従来のセラミツク原料の粉砕装置を示
す断面図である。この粉砕装置１の蓋２には、粉
砕されたセラミツク原料を取り出すための開口部
３が形成される。蓋の開口部には、外部から負圧
がかけられ、それによつて粉砕されたセラミツク
原料が吸い出される。(Prior Art) FIG. 4 is a sectional view showing a conventional ceramic raw material crushing apparatus. An opening 3 is formed in the lid 2 of this crushing device 1 for taking out the crushed ceramic raw material. Negative pressure is applied from the outside to the opening of the lid, thereby sucking out the pulverized ceramic raw material.

（考案が解決しようとする問題点）セラミツク原料を取り出すとき、このセラミツ
ク原料が蓋の開口部周辺に勢いよくぶつかるた
め、特に蓋の開口部周辺の摩耗が激しい。従来で
は蓋の摩耗が激しくなると、蓋全体を交換してい
た。しかし、蓋の摩耗速度が速いため蓋の耐用期
間が短く、蓋を交換するためのコストが高くな
る。(Problems to be Solved by the Invention) When the ceramic raw material is taken out, the ceramic raw material hits the area around the opening of the lid with force, which causes severe wear especially around the opening of the lid. Previously, when the lid became severely worn, the entire lid was replaced. However, the fast wear rate of the lid shortens its useful life and increases the cost of replacing the lid.

それゆえに、この考案の主たる目的は、蓋の耐
用期間を長くし、これによつて機械保全のための
コストを下げることができるセラミツク原料の粉
砕装置を提供することである。 Therefore, the main objective of this invention is to provide a grinding device for ceramic raw materials, which can extend the service life of the lid and thereby reduce the costs for machine maintenance.

（問題点を解決するための手段）この考案は、蓋と、この蓋に形成され、粉砕さ
れたセラミツク原料を取り出すための開口部を有
するセラミツク原料の粉砕装置において、開口部
に、交換可能に形成された、開口部周辺の摩耗を
防ぐ保護材を備えたセラミツク原料の粉砕装置で
ある。(Means for Solving the Problems) This invention provides a ceramic raw material crushing device having a lid and an opening formed in the lid for taking out the crushed ceramic raw material. This is a ceramic raw material crushing device equipped with a protective material that prevents wear around the opening.

（考案の作用効果）この考案によれば、最も摩耗の激しい蓋の開口
部周辺を保護するための保護材部分のみを交換す
ることができるため、蓋全体を交換する場合に比
べて大幅にコストダウンすることができる。(Effects of the invention) According to this invention, it is possible to replace only the protective material that protects the area around the opening of the lid, which is subject to the most wear, so the cost is significantly lower than replacing the entire lid. Can go down.

この考案の上述の目的、その他の目的、特徴お
よび利点は、図面を参照して行う以下の実施例の
詳細な説明から一層明らかとなろう。 The above-mentioned objects, other objects, features and advantages of the present invention will become clearer from the following detailed description of embodiments with reference to the drawings.

（実施例）第１図はこの考案によるセラミツク原料の粉砕
装置を示す断面図である。このセラミツク原料の
粉砕装置１０はハウジング１２を含む。ハウジン
グ１２は、たとえばステンレス鋼などで形成され
る。ハウジング１２の底面中央から上方に向かつ
て筒状の回転軸ガイド１４が伸びている。回転軸
ガイド１４内側の上部および下部には、軸受け１
６および軸受け１８が形成される。軸受け１６お
よび１８には、回転軸２０が保持される。(Example) FIG. 1 is a sectional view showing a pulverizing apparatus for ceramic raw materials according to this invention. This ceramic raw material grinding device 10 includes a housing 12. As shown in FIG. The housing 12 is made of stainless steel, for example. A cylindrical rotating shaft guide 14 extends upward from the center of the bottom surface of the housing 12. Bearings 1 are installed at the upper and lower parts of the rotating shaft guide 14.
6 and bearing 18 are formed. A rotating shaft 20 is held in the bearings 16 and 18.

回転軸２０の上端には、円板２２が形成され
る。円板２２の周縁部には、上方に向かつて複数
の円柱状のピン２４，２４……が形成される。さ
らに、円板２２上面に台２５が形成される。ま
た、回転軸２０の下部にはプーリ２６が嵌められ
る。そして、プーリ２６は、たとえばＶベルト
（図示せず）などでモータ（図示せず）に連結さ
れ、このモータによつて回転軸２０に駆動力が与
えられる。それによつて円板２２が回転し、セラ
ミツク原料の塊は、ピン２４，２４，……によつ
て粉砕される。 A disk 22 is formed at the upper end of the rotating shaft 20. A plurality of cylindrical pins 24, 24, . . . are formed upwardly on the peripheral edge of the disc 22. Furthermore, a stand 25 is formed on the upper surface of the disc 22. Further, a pulley 26 is fitted to the lower part of the rotating shaft 20. The pulley 26 is connected to a motor (not shown) by, for example, a V-belt (not shown), and a driving force is applied to the rotating shaft 20 by the motor. As a result, the disk 22 rotates, and the ceramic raw material mass is crushed by the pins 24, 24, . . . .

台２５の上方には、その中央から斜め上方に向
かつて複数枚の羽２７，２７，……が形成され
る。羽根２７は回転軸２０の内部を挿通した回転
軸２８と連結しており、この回転軸２８の下部に
はプーリ２９が嵌められる。このプーリ２９はた
とえばＶベルト（図示せず）などでモータ（図示
せず）に連結され、このモータによつて回転軸２
８に駆動力が与えられる。それによつて羽根２７
が回転し、セラミツク原料が粉砕される。 Above the stand 25, a plurality of wings 27, 27, . . . are formed diagonally upward from the center thereof. The blades 27 are connected to a rotating shaft 28 inserted through the rotating shaft 20, and a pulley 29 is fitted in the lower part of the rotating shaft 28. This pulley 29 is connected to a motor (not shown) by, for example, a V-belt (not shown), and the motor drives the rotating shaft 2.
8 is given driving force. Accordingly, the feather 27
rotates, and the ceramic raw material is crushed.

ハウジング１２の上部には、蓋３０が載置され
る。この蓋３０は、たとえばステンレス鋼などで
形成される。蓋３０には、開口部３２が形成され
る。そして、蓋３０の下面の開口部周辺に段差部
３４が形成される。 A lid 30 is placed on top of the housing 12. This lid 30 is made of stainless steel, for example. An opening 32 is formed in the lid 30 . A stepped portion 34 is formed around the opening on the lower surface of the lid 30.

この開口部３２の内壁には、蓋３０に直接に当
たることを防ぎ、蓋３０の摩耗を防止するよう
に、保護材３６が嵌合される。保護材３６は、た
とえば、セラミツク粉末が当たつても、摩耗しに
くいステンレス鋼や超硬金属などで形成される。 A protective member 36 is fitted to the inner wall of the opening 32 so as to prevent the cover 30 from coming into direct contact with the inner wall, thereby preventing wear of the cover 30. The protective material 36 is made of, for example, stainless steel, cemented carbide, or the like, which is resistant to wear even when it comes into contact with ceramic powder.

保護材３６には筒状部３６ａが形成され、その
一方端に鍔状部３６ｂが形成される。そして、保
護材３６の他方端側の外周面上部には、ねじが形
成される。この保護材３６の筒状部３６ａが蓋３
０の開口部３２に挿通されるとともにセツトピン
３７が蓋の裏面に形成した穴に挿通され、保護材
３６の鍔状部３６ｂが段差部３４に嵌め込まれ
る。蓋３０の上部で保護材３６のねじ部分にナツ
ト３８が嵌められ、それによつて保護材３６は蓋
３０に固定される。このとき、ナツト３８が緩む
のを防ぐには、ナツト３８と蓋３０とをたとえば
ボルト４０などで固定すればよい。 A cylindrical portion 36a is formed in the protective member 36, and a flange-shaped portion 36b is formed at one end of the cylindrical portion 36a. A screw is formed at the upper part of the outer peripheral surface of the protective member 36 on the other end side. The cylindrical portion 36a of this protective material 36 is
At the same time, the set pin 37 is inserted into the hole formed on the back surface of the lid, and the flange-shaped portion 36b of the protective member 36 is fitted into the stepped portion 34. A nut 38 is fitted into the threaded portion of the protective member 36 at the top of the lid 30, thereby fixing the protective member 36 to the lid 30. At this time, in order to prevent the nut 38 from loosening, the nut 38 and the lid 30 may be fixed with bolts 40, for example.

粉砕されたセラミツク原料は、外部からの負圧
により開口部３２から吸い出される。蓋３０の開
口部３２から粉砕されたセラミツク原料を取り出
す際、保護材３６の摩耗が特に激しいが、この実
施例の場合、保護材３６を交換するだけでよい。 The pulverized ceramic raw material is sucked out from the opening 32 by external negative pressure. When removing the crushed ceramic raw material from the opening 32 of the lid 30, the protective material 36 is particularly worn, but in this embodiment, it is only necessary to replace the protective material 36.

第２図は他の実施例を示す断面図である。この
実施例では、蓋３０の下面に段差部が形成され
ず、保護材３６の鍔状部３６ｂが蓋３０の下面に
突き出されている。 FIG. 2 is a sectional view showing another embodiment. In this embodiment, a step portion is not formed on the lower surface of the lid 30, and the flange-shaped portion 36b of the protective member 36 protrudes from the lower surface of the lid 30.

さらに、第３図実施例では、保護材３６の筒状
部３６ａの外側面および蓋３０の開口部３２の内
壁にねじを形成し、保護材３６が開口部３２に螺
入されている。 Furthermore, in the embodiment shown in FIG. 3, threads are formed on the outer surface of the cylindrical portion 36a of the protective member 36 and on the inner wall of the opening 32 of the lid 30, and the protective member 36 is screwed into the opening 32.

このように、蓋３０の開口部３２周辺を保護
し、取り換え可能に形成されるならば、保護材３
６の形状や取り付け方法は任意に変更可能であ
る。 In this way, if the area around the opening 32 of the lid 30 is protected and is formed to be replaceable, the protective material 3
The shape and attachment method of 6 can be changed arbitrarily.

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す断面図であ
る。第２図は別の実施例の蓋を示す断面図であ
る。第３図はさらに別の実施例の蓋を示す断面図
である。第４図は従来のセラミツク原料の粉砕装
置を示す断面図である。図において、１０はセラミツク原料の粉砕装
置、３０は蓋、３２は開口部、３４は段差部、３
６は保護材、３８はナツトを示す。 FIG. 1 is a sectional view showing an embodiment of this invention. FIG. 2 is a sectional view showing another embodiment of the lid. FIG. 3 is a sectional view showing a lid of still another embodiment. FIG. 4 is a sectional view showing a conventional ceramic raw material crushing apparatus. In the figure, 10 is a crushing device for ceramic raw materials, 30 is a lid, 32 is an opening, 34 is a stepped portion, 3
6 indicates a protective material, and 38 indicates a nut.

Claims

[Claims for Utility Model Registration] 1. A ceramic raw material pulverizing device having a lid and an opening formed in the lid for taking out the pulverized ceramic raw material, wherein the opening is formed to be replaceable. A pulverizing device for ceramic raw materials, characterized by comprising a protective material that prevents wear around the opening. 2. The ceramic raw material according to claim 1, wherein the protective material is attached to the opening of the lid by having a thread formed in the protective material and a nut being fitted into the threaded portion. crushing equipment. 3. Grinding of the ceramic raw material according to claim 1 or 2, wherein a step portion is formed around the opening on the lower surface of the lid, and a part of the protective material is fitted into the step portion. Device. 4. A flange-shaped portion is formed at one end of the protective material, and a set pin is provided on the upper surface of the flange-shaped portion,
The apparatus for crushing ceramic raw materials according to any one of claims 1 to 3, wherein a set pin is inserted into a hole formed in the lower surface of the lid. 5. Utility model registration claim 1, wherein a screw is formed on the outer peripheral surface of the protective material and the inner wall of the opening of the lid, and the protective material is fixed by being screwed into the opening. A grinding device for the ceramic raw material described above.