JP3446863B2 - Rotary drum type shot blasting machine - Google Patents
Rotary drum type shot blasting machineInfo
- Publication number
- JP3446863B2 JP3446863B2 JP25778396A JP25778396A JP3446863B2 JP 3446863 B2 JP3446863 B2 JP 3446863B2 JP 25778396 A JP25778396 A JP 25778396A JP 25778396 A JP25778396 A JP 25778396A JP 3446863 B2 JP3446863 B2 JP 3446863B2
- Authority
- JP
- Japan
- Prior art keywords
- rotary drum
- shot
- drum type
- shot blasting
- liner
- 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 - Fee Related
Links
Landscapes
- Combined Means For Separation Of Solids (AREA)
Description
【発明の詳細な説明】
【０００１】
【発明の属する技術分野】本発明は、回転ドラム式ショ
ットブラスト装置の改良に関する。
【０００２】
【従来の技術】従来、比較的小さい被処理品をブラスト
処理する装置の一つとして、研掃室を構成する有底円筒
状の回転ドラムを備えた回転ドラム式ショットブラスト
装置がある。そして、その回転ドラム本体の内面には、
ショット粒抜き用貫通孔を有するゴム板製（硬度ＪＩＳ
Ａ６０度）のライナーが取り付けられている。
【０００３】
【発明が解決しようとする課題】しかし、従来、このシ
ョット粒抜き用貫通孔は、ポンチによる打ち抜きによっ
て作られていたため、ショット粒抜き用貫通孔の大きさ
を、直径５ｍｍより小さくすることは不可能であり、そ
の結果、５ｍｍよりも小さい被処理品をいわゆる回転ド
ラム式ショットブラスト装置を用いてブラスト処理する
ことは、できないなどの問題があった。本発明は上記の
事情に鑑みて為されたもので、その目的は、回転ドラム
式ショットブラスト装置において、回転ドラム本体に取
り付けられるゴム板製のライナーを、直径５ｍｍ以下の
ショット粒抜き用貫通孔を複数個有するものにすること
にある。
【０００４】
【課題を解決するための手段】上記の目的を達成するた
めに本発明のショットブラスト装置は、研掃室を構成す
る有底円筒状の回転ドラムを備えた回転ドラム式ショッ
トブラスト装置において、前記回転ドラムの回転ドラム
本体の内面に、直径５ｍｍ以下のショット粒抜き用貫通
孔を複数個有する硬度ＪＩＳ Ａ９０度以上の硬質ゴム
板製のライナーを、複数本の棒部材を介在させて取り付
けたことを特徴とする。
【０００５】
【作用】ライナーを、硬度がＪＩＳ Ａ９０度以上の硬
質ゴム板で製造することにより、直径５ｍｍ以下のショ
ット粒抜き用貫通孔をキリを用いて適確に明けることが
可能になる。
【０００６】
【発明の実施の形態】以下、本発明の一実施例について
図１および図２に基づき詳細に説明する。図１に示すよ
うに、研掃室を構成する有底円筒状の回転ドラム１が、
図示しない鍔付きローラーに支持されて垂直面内で回転
可能に設けてあり、この回転ドラム１の左端の開口部
は、ショット投射装置（図示せず）を付設した蓋部材
（図示せず）により、閉鎖れるようになっている。そし
て、前記回転ドラム１は、胴部に複数個のショット排出
孔２、２を有する回転ドラム本体３を備えており、回転
ドラム本体３の内面には、複数本の棒部材４、４が、適
宜の間隔をおいて固着してある。これら複数本の棒部材
４、４が形成する空間の外周（棒部材４、４群の内面）
には、直径５ｍｍ以下のショット粒抜き用貫通孔（図示
せず）を複数個有するライナー５が、取り付けてある。
なお、このライナー５は、硬度がＪＩＳ Ａ９０度以上
の硬質ゴム板で製造してあって、前記ショット粒抜き用
貫通孔はキリで明けてある。また、図２で明記するよう
に、前記ライナー５には、これと同一の材料で製造され
た複数の撹拌リード６、６が組み付けてある。
【０００７】このように構成したものにおいては、図示
しないショット投射装置から投射されたショットは、シ
ョット粒抜き用貫通孔を通った後、ライナー５および棒
部材４、４が形成する空間を順に通過して回転ドラム本
体３のショット排出孔２、２から排出されることとな
る。
【発明の効果】
【０００８】以上の説明から明らかなように本発明は、
ライナーを、硬度ＪＩＳ Ａ９０度以上の硬質ゴム板で
構成したから、ライナーに、直径５ｍｍ以下のショット
粒抜き用貫通孔をキリを用いて確実かつ容易に明けるこ
とが可能になるなどの優れた効果を奏する。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a rotary drum type shot blast apparatus. 2. Description of the Related Art Conventionally, as one of apparatuses for blasting relatively small articles to be processed, there is a rotary drum type shot blasting apparatus having a bottomed cylindrical rotary drum constituting a cleaning chamber. . And on the inner surface of the rotating drum body,
Made of rubber plate with shot through hole
A60 degree) liner. [0003] However, since the shot through hole has conventionally been formed by punching with a punch, the size of the shot through hole is smaller than 5 mm in diameter. As a result, there is a problem that it is impossible to blast a workpiece smaller than 5 mm using a so-called rotary drum type shot blast apparatus. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a rotary drum type shot blasting apparatus in which a rubber plate liner attached to a rotary drum main body is provided with a shot grain through hole having a diameter of 5 mm or less. Is to have a plurality. [0004] In order to achieve the above object, a shot blasting apparatus according to the present invention is a rotating drum type shot blasting apparatus having a bottomed cylindrical rotating drum constituting a cleaning chamber. In the above, a liner made of a hard rubber plate having a hardness of JIS A 90 degrees or more and having a plurality of through-holes for punching shot particles having a diameter of 5 mm or less is provided on an inner surface of a rotating drum main body of the rotating drum with a plurality of rod members interposed therebetween. It is characterized by being attached. [0005] By producing the liner from a hard rubber plate having a hardness of JIS A 90 degrees or more, it is possible to accurately form a shot grain through hole having a diameter of 5 mm or less using a drill. An embodiment of the present invention will be described below in detail with reference to FIGS. 1 and 2. As shown in FIG. 1, a cylindrical rotating drum 1 having a bottom and constituting a cleaning chamber includes:
The rotary drum 1 is supported by a flanged roller (not shown) so as to be rotatable in a vertical plane. The opening at the left end of the rotary drum 1 is covered by a lid member (not shown) provided with a shot projection device (not shown). , Is to be closed. The rotating drum 1 includes a rotating drum main body 3 having a plurality of shot discharge holes 2 and 2 in a body portion, and a plurality of rod members 4 and 4 are provided on an inner surface of the rotating drum main body 3. They are fixed at appropriate intervals. Outer circumference of the space formed by the plurality of rod members 4, 4 (the inner surface of the group of rod members 4, 4)
Is provided with a liner 5 having a plurality of shot grain punching through holes (not shown) having a diameter of 5 mm or less.
The liner 5 is made of a hard rubber plate having a hardness of JIS A 90 degrees or more, and the shot through holes are punched out. As shown in FIG. 2, the liner 5 has a plurality of agitation leads 6 made of the same material. In such a configuration, a shot projected from a shot projecting device (not shown) passes through a shot grain punching through hole and then sequentially passes through a space formed by the liner 5 and the rod members 4, 4. Then, it is discharged from the shot discharge holes 2 and 2 of the rotating drum main body 3. As is apparent from the above description, the present invention provides
Because the liner is made of a hard rubber plate with a hardness of JIS A 90 degrees or more, excellent effects such as being able to reliably and easily drill through holes in the liner for drilling shot grains with a diameter of 5 mm or less using a drill. Play.
【図面の簡単な説明】
【図１】本発明の一実施例の主要部を示す縱断面図であ
る。
【図２】図１の左側面図である。
【符号の説明】
１ 回転ドラム
３ 回転ドラム本体
４ 棒部材
５ ライナーBRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a longitudinal sectional view showing a main part of one embodiment of the present invention. FIG. 2 is a left side view of FIG. [Description of Signs] 1 rotating drum 3 rotating drum main body 4 rod member 5 liner
Claims (1)
ムを備えた回転ドラム式ショットブラスト装置におい
て、前記回転ドラム１の回転ドラム本体３の内面に、直
径５ｍｍ以下のショット粒抜き用貫通孔を複数個有する
硬度ＪＩＳ Ａ９０度以上の硬質ゴム板製のライナー５
を、複数本の棒部材４、４を介在させて取り付けたこと
を特徴とする回転ドラム式ショットブラスト装置。(57) [Claim 1] In a rotary drum type shot blasting apparatus provided with a bottomed cylindrical rotary drum constituting a polishing chamber, an inner surface of a rotary drum main body 3 of the rotary drum 1 is provided. A liner 5 made of a hard rubber plate having a hardness of JIS A 90 ° or more and having a plurality of through holes for punching shot particles having a diameter of 5 mm or less.
Is mounted with a plurality of rod members 4, 4 interposed therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25778396A JP3446863B2 (en) | 1996-09-06 | 1996-09-06 | Rotary drum type shot blasting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25778396A JP3446863B2 (en) | 1996-09-06 | 1996-09-06 | Rotary drum type shot blasting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1080865A JPH1080865A (en) | 1998-03-31 |
| JP3446863B2 true JP3446863B2 (en) | 2003-09-16 |
Family
ID=17311049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25778396A Expired - Fee Related JP3446863B2 (en) | 1996-09-06 | 1996-09-06 | Rotary drum type shot blasting machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3446863B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103009266A (en) * | 2012-12-22 | 2013-04-03 | 青特集团有限公司 | Shot blasting protective sleeve for axle housing fixing ring |
-
1996
- 1996-09-06 JP JP25778396A patent/JP3446863B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH1080865A (en) | 1998-03-31 |
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