JPH02139045A - Manufacture of metal catalyst carrier - Google Patents
Manufacture of metal catalyst carrierInfo
- Publication number
- JPH02139045A JPH02139045A JP63291250A JP29125088A JPH02139045A JP H02139045 A JPH02139045 A JP H02139045A JP 63291250 A JP63291250 A JP 63291250A JP 29125088 A JP29125088 A JP 29125088A JP H02139045 A JPH02139045 A JP H02139045A
- Authority
- JP
- Japan
- Prior art keywords
- flat
- catalyst carrier
- metal catalyst
- ring member
- flat core
- 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
- 239000002184 metal Substances 0.000 title claims abstract description 37
- 239000003054 catalyst Substances 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 239000011162 core material Substances 0.000 description 47
- 210000000078 claw Anatomy 0.000 description 8
- 238000007796 conventional method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000004381 surface treatment Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2807—Metal other than sintered metal
- F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、触媒コンバータに用いられるメタル触媒担体
の製造方法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for manufacturing a metal catalyst carrier used in a catalytic converter.
一般に、自動車の排気系には、排気ガスを浄化するため
、例えば、実開昭６２−４１８１６号公報、特開昭６３
−３６８４３号公報に開示されるような触媒担体が配置
されている。Generally, in the exhaust system of a car, in order to purify exhaust gas, for example, Japanese Utility Model Application Publication No. 62-41816, Japanese Patent Application Publication No. 63
A catalyst carrier as disclosed in Japanese Patent No. 36843 is arranged.
第７図は、この種のメタル触媒担体を示すもので、この
メタル触媒担体は、偏平状のコア部１１の両側に偏平状
のリング部材１３を被嵌して形成されている。FIG. 7 shows this type of metal catalyst carrier, which is formed by fitting flat ring members 13 onto both sides of a flat core portion 11.
そして、このメタル触媒担体は、第８図に示すように、
リング部材１３を筒状容器１５の内面に固定され、メタ
ル触媒コンバータとして使用される。As shown in FIG. 8, this metal catalyst carrier is
The ring member 13 is fixed to the inner surface of the cylindrical container 15, and is used as a metal catalytic converter.
従来、このようなメタル触媒担体は、第９図に示すよう
に、金属製の波板１７と平板１９とを交互に重ね、これ
等を図示しない芯材を中心にして、円形形状に多重に巻
回して円状コア部２１を形成した後、この円状コア部２
１を両側から押し潰して偏平状コア部２３を形成し、こ
の偏平状コア部２３を上型２５と下型２７とからなる治
具２９の間に挟持し、所定の偏平形状を保ち、この状態
で熱処理を行ない、熱処理の終了後に治具２９を取り外
し、表面処理によりウォッシュコート層等を形成し、さ
らに前述したリング部材１３を被嵌して製造されている
。Conventionally, such a metal catalyst carrier is made by stacking corrugated metal plates 17 and flat plates 19 alternately, and stacking them in a circular shape around a core material (not shown), as shown in FIG. After winding to form the circular core part 21, this circular core part 2
1 is crushed from both sides to form a flat core part 23. This flat core part 23 is held between a jig 29 consisting of an upper mold 25 and a lower mold 27 to maintain a predetermined flat shape. After the heat treatment is completed, the jig 29 is removed, a wash coat layer and the like are formed by surface treatment, and the ring member 13 described above is fitted on.
しかしながら、このような従来のメタル触媒担体の製造
方法では、偏平状コア部２３の偏平形状を保つために、
偏平状コア部２３を治具２９の間にセットし、また、熱
処理の終了後に治具２９を取り外し、さらに、リング部
材１３を被嵌する必要があるため、製造工数が増大する
という問題がある。However, in such a conventional method for manufacturing a metal catalyst carrier, in order to maintain the flat shape of the flat core portion 23,
Since it is necessary to set the flat core portion 23 between the jigs 29, remove the jigs 29 after the heat treatment is completed, and then fit the ring member 13, there is a problem in that the number of manufacturing steps increases. .
本発明は、上記のような問題を解決すべくなされたもの
で、製造工数を従来より大幅に低減することができるメ
タル触媒担体の製造方法を提供することを目的とする。The present invention was made to solve the above-mentioned problems, and an object of the present invention is to provide a method for manufacturing a metal catalyst carrier that can significantly reduce the number of manufacturing steps compared to the conventional method.
本発明のメタル触媒担体の製造方法は、金属製の波板と
平板とを重ねこれ等を多重に巻回して円状コア部を形成
する工程と、この円状コア部を両側から押圧し偏平状コ
ア部を形成する工程と、この偏平状コア部の両側にリン
グ部材を被嵌する工程と、リング部材の被嵌された偏平
状コア部を熱処理する工程とを有するものである。The method for manufacturing the metal catalyst carrier of the present invention includes the steps of stacking a metal corrugated plate and a flat plate and winding them multiple times to form a circular core, and pressing this circular core from both sides to flatten it. The method includes a step of forming a shaped core portion, a step of fitting a ring member on both sides of the flat core portion, and a step of heat treating the flat core portion into which the ring member is fitted.
本発明のメタル触媒担体の製造方法では、偏平状コア部
を熱処理する前に、偏平状コア部にリング部材が被嵌さ
れ、このリング部材により偏平状コア部の形状が維持さ
れる。In the method for manufacturing a metal catalyst carrier of the present invention, a ring member is fitted onto the flat core portion before the flat core portion is heat-treated, and the shape of the flat core portion is maintained by the ring member.
以下、本発明の詳細を図面に示す実施例について説明す
る。DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, details of the present invention will be described with reference to embodiments shown in the drawings.
第１図は、本発明のメタル触媒担体の製造方法の一実施
例により製造されたメタル触媒担体を示すもので、この
メタル触媒担体は、偏平状のコア部３１の両側に偏平状
のリング部材３３を被嵌して形成されている。FIG. 1 shows a metal catalyst carrier manufactured by an embodiment of the metal catalyst carrier manufacturing method of the present invention, and this metal catalyst carrier has flat ring members on both sides of a flat core portion 31. 33 is fitted over it.
このメタル触媒担体は、以下述べるようにして製造され
る。This metal catalyst carrier is manufactured as described below.
すなわち、第２図に示すように、先ず、金属製の波板３
５と平板３７とを交互に重ね、これ等を図示しない芯材
を中心にして、円形形状に多重に巻回して円状コア部３
９が形成される。That is, as shown in FIG. 2, first, a metal corrugated plate 3 is
5 and flat plates 37 are stacked alternately, and these are wound multiple times into a circular shape around a core material (not shown) to form the circular core portion 3.
9 is formed.
この後、この円状コア部３９が両側から押し潰され、偏
平状コア部４１が形成される。Thereafter, this circular core portion 39 is crushed from both sides to form a flat core portion 41.
この後、この偏平状コア部４１の両側に偏平状のリング
部材３３が被嵌される。Thereafter, flat ring members 33 are fitted onto both sides of this flat core portion 41.
そして、この状態で熱処理が行われ、熱処理の終了後に
、表面処理によりウォッシュコート層等が形成されメタ
ル触媒担体が製造される。Then, heat treatment is performed in this state, and after the heat treatment is completed, a wash coat layer and the like are formed by surface treatment, and a metal catalyst carrier is manufactured.
第３図は、偏平状コア部４１にリング部材３３を被嵌し
ている状態を示すもので、このリング部材３３は、円筒
部４３と内側フランジ部４５とから形成され、円筒部４
３には、三角形状の爪４７が形成されている。FIG. 3 shows a state in which a ring member 33 is fitted onto a flat core portion 41. This ring member 33 is formed from a cylindrical portion 43 and an inner flange portion 45.
3 is formed with a triangular claw 47.
この爪４７は、偏平状コア部４１のリング部材３３の被
嵌前には、円筒部４３と同一平面上にあり、偏平状コア
部４１へのリング部材３３の被嵌後に、第４図に示すよ
うに、内側に向けて折曲され、リング部材３３が偏平状
コア部４１に固定される。This pawl 47 is on the same plane as the cylindrical portion 43 before the ring member 33 is fitted onto the flat core portion 41, and after the ring member 33 is fitted onto the flat core portion 41, as shown in FIG. As shown, it is bent inward and the ring member 33 is fixed to the flat core part 41.
しかして、本発明のメタル触媒担体の製造方法では、金
属製の波板３５と平板３７とを重ねこれ等を多重に巻回
して円状コア部３９を形成する工程と、この円状コア部
３９を両側から押圧し偏平状コア部４１を形成する工程
と、この偏平状コア部４１の両側に偏平状のリング部材
３３を被嵌する工程と、リング部材３３の被嵌された偏
平状コア部４１を熱処理する工程とにより、メタル触媒
担体を製造するようにしたので、偏平状コア部４１を熱
処理する前に、偏平状コア部４１にリング部材３３が被
嵌され、このリング部材３３により偏平状コア部４１の
形状が維持されることとなるため、製造工数を従来より
大幅に低減することが可能となる。Therefore, the method for manufacturing a metal catalyst carrier of the present invention includes a step of stacking a corrugated metal plate 35 and a flat plate 37 and winding them multiple times to form a circular core portion 39; 39 from both sides to form a flat core part 41, a process of fitting a flat ring member 33 on both sides of this flat core part 41, and a process of fitting a flat ring member 33 onto both sides of the flat core part 41. Since the metal catalyst carrier is manufactured by the step of heat treating the portion 41, the ring member 33 is fitted onto the flat core portion 41 before the flat core portion 41 is heat treated. Since the shape of the flat core portion 41 is maintained, the number of manufacturing steps can be significantly reduced compared to the conventional method.
すなわち、本発明のメタル触媒担体の製造方法では、リ
ング部材３３に治具の役割をも付与したので、従来のよ
うに、偏平状コア部４１の偏平形状を保つために、偏平
状コア部４１を治具の間にセットし、また、熱処理の終
了後に治具を取り外し、さらに、リング部材３３を被嵌
する必要がな−（なり、製造工数を従来より大幅に低減
することが可能となる。That is, in the method for manufacturing a metal catalyst carrier of the present invention, the ring member 33 is also given the role of a jig, so that in order to maintain the flat shape of the flat core part 41, as in the conventional case, the ring member 33 is There is no need to set the ring member 33 between the jigs, remove the jigs after the heat treatment is completed, and then fit the ring member 33 on. .
なお、以上述べた実施例では、偏平状コア部４１にリン
グ部材３３を被嵌後に、リング部材３３の爪４７を内側
に折曲するようにした例について述べたが、本発明は、
かかる実施例に限定されるものではなく、例えば、第５
図および第６図に示すように、リング部材５１の爪５３
を内側フランジ部５５側に向けて傾斜して形成し、この
爪５３を予め折曲しておいても良いことは勿論であり、
この場合には、リング部材５１の偏平状コア部４１への
被嵌後に、爪５３を折曲する必要がなくなる。In the embodiments described above, an example was described in which the claws 47 of the ring member 33 were bent inward after the ring member 33 was fitted into the flat core portion 41, but the present invention
For example, the fifth embodiment is not limited to such embodiments.
As shown in the figure and FIG. 6, the claw 53 of the ring member 51
It goes without saying that the claw 53 may be formed to be inclined toward the inner flange portion 55 side, and the claw 53 may be bent in advance.
In this case, there is no need to bend the claws 53 after the ring member 51 is fitted into the flat core portion 41.
以上述べたように、本発明のメタル触媒担体の製造方法
では、金属製の波板と平板とを重ねこれ等を多重に巻回
して円状コア部を形成する工程と、この円状コア部を両
側から押圧し偏平状コア部を形成する工程と、この偏平
状コア部の両側にリング部材を被嵌する工程と、リング
部材の被嵌された偏平状コア部を熱処理する工程とによ
り、メタル触媒担体を製造するようにしたので、偏平状
コア部を熱処理する前に、偏平状コア部にリング部材が
被嵌され、このリング部材により偏平状コア部の形状が
維持されることとなるため、製造工数を従来より大幅に
低減することができるという利点がある。As described above, the method for manufacturing a metal catalyst carrier of the present invention includes the steps of stacking a metal corrugated plate and a flat plate and winding them multiple times to form a circular core part; By pressing from both sides to form a flat core part, fitting ring members on both sides of this flat core part, and heat treating the flat core part fitted with the ring member, Since a metal catalyst carrier is manufactured, a ring member is fitted onto the flat core portion before the flat core portion is heat-treated, and the shape of the flat core portion is maintained by this ring member. Therefore, there is an advantage that the number of manufacturing steps can be significantly reduced compared to the conventional method.
第１図は本発明のメタル触媒担体の製造方法の一実施例
により製造されたメタル触媒担体を示す斜視図である。
第２図は本発明のメタル触媒担体の製造方法の一実施例
を示す工程図である。
第３図は第２図の偏平状コア部へリング部材を被嵌して
いる状態を示す説明図である。
第４図はリング部材の爪を折曲した状態を示す説明図で
ある。
第５図および第６図はリング部材に形成される爪の他の
例を示す説明図である。
第７図は従来のメタル触媒担体を示す斜視図である。
第８図はメタル触媒コンバータを示す縦断面図である。
第９図は従来のメタル触媒担体の製造方法を示す工程図
である。
〔主要な部分の符号の説明〕
３１・・・コア部
３３・・・リング部材
３５・・・波板
３７・・・平板
３９・・・円状コア部
４１・・・偏平状コア部。
第１図FIG. 1 is a perspective view showing a metal catalyst carrier manufactured by an embodiment of the metal catalyst carrier manufacturing method of the present invention. FIG. 2 is a process diagram showing an embodiment of the method for manufacturing a metal catalyst carrier of the present invention. FIG. 3 is an explanatory diagram showing a state in which a ring member is fitted into the flat core portion of FIG. 2. FIG. 4 is an explanatory diagram showing a state in which the claws of the ring member are bent. FIGS. 5 and 6 are explanatory diagrams showing other examples of claws formed on the ring member. FIG. 7 is a perspective view showing a conventional metal catalyst carrier. FIG. 8 is a longitudinal sectional view showing the metal catalytic converter. FIG. 9 is a process diagram showing a conventional method for manufacturing a metal catalyst carrier. [Explanation of symbols of main parts] 31... Core portion 33... Ring member 35... Corrugated plate 37... Flat plate 39... Circular core portion 41... Flat core portion. Figure 1
Claims (1)
して円状コア部を形成する工程と、この円状コア部を両
側から押圧し偏平状コア部を形成する工程と、この偏平
状コア部の両側にリング部材を被嵌する工程と、リング
部材の被嵌された偏平状コア部を熱処理する工程とを有
することを特徴とするメタル触媒担体の製造方法。(1) A process of stacking a metal corrugated plate and a flat plate and winding them multiple times to form a circular core part, and a process of pressing this circular core part from both sides to form a flat core part. A method for manufacturing a metal catalyst carrier, comprising the steps of: fitting ring members on both sides of the flat core; and heat-treating the flat core into which the ring members are fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63291250A JPH02139045A (en) | 1988-11-18 | 1988-11-18 | Manufacture of metal catalyst carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63291250A JPH02139045A (en) | 1988-11-18 | 1988-11-18 | Manufacture of metal catalyst carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02139045A true JPH02139045A (en) | 1990-05-29 |
Family
ID=17766430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63291250A Pending JPH02139045A (en) | 1988-11-18 | 1988-11-18 | Manufacture of metal catalyst carrier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02139045A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04261720A (en) * | 1991-02-18 | 1992-09-17 | Nippon Steel Corp | Squash/press fitting device |
| WO1999008789A1 (en) * | 1997-08-20 | 1999-02-25 | Calsonic Corporation | Metal thin film for metal catalyst carrier and metal catalyst converter employing the metal thin film |
-
1988
- 1988-11-18 JP JP63291250A patent/JPH02139045A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04261720A (en) * | 1991-02-18 | 1992-09-17 | Nippon Steel Corp | Squash/press fitting device |
| WO1999008789A1 (en) * | 1997-08-20 | 1999-02-25 | Calsonic Corporation | Metal thin film for metal catalyst carrier and metal catalyst converter employing the metal thin film |
| CN1100618C (en) * | 1997-08-20 | 2003-02-05 | 卡森尼可株式会社 | Metal thin film for metal catalyst carrier and metal catalyst converter employing metal thin film |
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