CN102145355A - Catalytic converter shell reshaping device and catalytic converter shell processing method - Google Patents
Catalytic converter shell reshaping device and catalytic converter shell processing method Download PDFInfo
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- CN102145355A CN102145355A CN 201010573837 CN201010573837A CN102145355A CN 102145355 A CN102145355 A CN 102145355A CN 201010573837 CN201010573837 CN 201010573837 CN 201010573837 A CN201010573837 A CN 201010573837A CN 102145355 A CN102145355 A CN 102145355A
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- catalyst converter
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Abstract
The invention provides a catalytic converter shell reshaping device applied in the field of automobile engine exhaust systems, and also relates to a catalytic converter shell processing method. The catalytic converter shell reshaping device comprises a terrace die (4) and a concave die (5), wherein the terrace die (4) has a wedged structure, the section of the terrace die (4) is arranged into a shape matched with the shape of the inner wall of a catalytic converter shell (7), the concave die (5) is arranged into a shape matched with the shape of the inner wall of the catalytic converter shell (7), the concave die (5) has a hollow structure and is arranged into a structure formed by more than two subdies (8). By adopting the technical scheme, the uniformity of the interior outline of the catalytic converter shell can be controlled, and the extruding gap between the shell and a carrier and the expansion extruding force of an expansion gasket in the catalytic converter packaging process can be ensured so that the phenomena of crocking or deforming of the carrier in the packaging process is avoided, and the packaging quality and the service life of a catalytic converter are ensured.
Description
Technical field
The present invention relates to the automobile engine exhaust system field, more particularly, relate to a kind of automobile catalytic device housing apparatus for shaping, the present invention also relates to a kind of processing method of catalyst converter simultaneously.
Background technology
Along with the reinforcement of motor vehicle emission regulation, it is higher that delivery temperature becomes, and therefore catalyst converter in the gas extraction system required strict more.Catalyst converter mainly is installed in below the exhaust manifold or below the chassis, to withstand the test of harsh conditions such as high temperature and vibration, and therefore the encapsulation to the catalyst converter carrier also has harsh requirement.Catalyst converter packaged type commonly used at present has cluster and pressing type.Strap-on method is: will wrap up good carrier and be placed in the metal shell that shaping processes, the liner end is applied certain tangential force, and make metal cover axial seam.Liner can be compressed to predetermined pressure or gap, carries out spot welding along axial seam.Its structure because metal shell lap-joint is a double Shell, causes this place's gasket compression increment big as shown in Figure 3, and is too small with body clearance.When carrying out the reducing of next procedure two ends, carrier stress is inhomogeneous, its structure as shown in Figure 4, port position place carrier is subjected to external compression power greater than other position, easily causes the carrier fragmentation.In addition: cluster only is suitable for cylindrical shape catalyst converter packaging technology, for the catalyst converter of other shape, as: catalyst converters such as ellipse, rectangle, triangle, the cluster encapsulation can't be satisfied the technology requirement.Pressing type catalyst converter packaged type technological difficulties be to the conforming control of catalyst converter housing.The catalyst converter housing is formed by steel plate welding back integer, the normal resilience that occurs in various degree in back is shaped, the uniformity of housing is relatively poor, and the catalyst converter carrier is mainly ceramic monolith, and appearance profile degree error causes the buffer gap inconsistent at positive and negative 0.6 millimeter easily, can not satisfy the specification requirement of crevice volume density (DBD) after press-fiting, when serious even cause liner perforation, the carrier power that is squeezed uneven and produce distortion or broken, have a strong impact on catalyst converter package quality and service life.
Summary of the invention
Technical problem to be solved by this invention is: at the deficiencies in the prior art, provide a kind of and can control shape consistency of contour in the catalyst converter housing, reduce the catalyst converter carrier fragmentation that in press-fiting process, produces of catalyst converter and the catalyst converter housing apparatus for shaping of vector form deforming.
Solve above-described technical problem, the technical scheme that the present invention takes is:
The present invention is a kind of catalyst converter housing apparatus for shaping, and described apparatus for shaping comprises punch, and described punch is set to wedge structure, and the cross sectional shape of described punch is set to the structure that matches with the inner wall shape of catalyst converter housing.
Described apparatus for shaping also comprises die, and the profile of described die is set to the structure that matches with the inner wall shape of catalyst converter housing, and the interior location of described die is set to hollow structure, and die is set to the structure that plural minute mould formed.
Described apparatus for shaping also comprises undersetting, upper bracket, on the described upper bracket platform structure is set, described die is set to be placed on the structure on the platform structure, described punch is connected with upper bracket, described punch and upper bracket are set to be positioned at the structure of die top position, and the punch front end of described punch is aimed at the structure of the hollow position of die, and described catalyst converter apparatus for shaping is connected with hydraulic control device.
The one side of bearing of facing down on the upper bracket of described apparatus for shaping is provided with plural guide shaft cover, is provided with guide shaft in the guide shaft cover and overlaps the guide shaft that cooperates, and the other end of described guide shaft is connected with undersetting.
The limited post of projection is set on the platform structure of described undersetting, and described limited post is set to the cylindrical structure that matches with the inside of die.
The optimal number of described guide shaft cover and guide shaft is set to 2-4, and described guide shaft cover and guide shaft are evenly arranged in respectively on upper bracket and the undersetting.
Described punch is set to the cylindrical structure in cross section, and described die is the cylindrical structural of hollow, and die is set to be divided into the structure of four branch die combination, and the outside of die is set with rubber ring.
Be set to exist the structure in gap between described four branch moulds, described gap is set to the structure of 4-8mm.
The outer setting of described die together above along the die groove in one week, described rubber ring is sleeved in the groove.
The invention still further relates to a kind of processing method of catalyst converter housing, described processing method also comprises catalyst converter inner walls shaping step.
When described catalyst converter inner walls is carried out integer, at first the catalyst converter housing behind the die mould is sleeved on the die, four branch moulds are constrained to one by rubber ring each other, punch falls then, in the process that punch falls, the punch of wedge structure and die inner chamber match, thereby make and evenly to open by four branch moulds, thereby realize the shaping of catalyst converter housing, after shaping was finished, punch at the uniform velocity rose, and broke away from die, the die reset condition of withdrawing under the constraint of rubber ring is taken off the catalyst converter housing of finishing shaping from platform structure at last.
Adopt technical scheme of the present invention, can obtain following beneficial effect:
Can control shape consistency of contour in the catalyst converter housing, and can guarantee the housing in the catalyst converter encapsulation process and the expansion extruding force of top clearance between carrier and inflated insert, satisfy the specification requirement of crevice volume density (DBD), thereby eliminate the carrier fragmentation or the metaboly that occur in the catalyst converter encapsulation process, guarantee the package quality and the service life of catalyst converter.
Description of drawings
Make briefly bright to each accompanying drawing of this specification expressed content and the mark among the figure below:
Fig. 1 is the structural representation of catalyst converter housing apparatus for shaping of the present invention;
Fig. 2 is the sectional structure schematic diagram of the described catalyst converter housing of Fig. 1 apparatus for shaping;
Fig. 3 is the sectional structure schematic diagram of cluster catalyst converter housing;
Fig. 4 is the sectional structure schematic diagram of closed-entry catalyst converter housing;
Be labeled as among the figure: 1, undersetting; 2, rubber ring; 3, upper bracket; 4, punch; 5, die; 6, limited post; 7, catalyst converter housing; 8, divide mould; 9, platform structure; 10, punch front end; 11, guide shaft cover; 12, guide shaft; 13, groove; 14, hydraulic control device; 15, ceramic monolith; 16, liner; 17, metal shell; 18, spot welding point; 19, port position.
The specific embodiment
Contrast accompanying drawing below, by description, the effect of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and operation principle etc. are described in further detail embodiment:
Integer type device of the present invention, on 100 ton of four post hydraulic control device 14, carry out work, during use, in Fig. 1, undersetting 1, upper bracket 3 are separately fixed on the upper and lower installation table top of hydraulic control device 14, by the jacking system of hydraulic control device 14, control the motion of the upper and lower installation table top of this device.
As shown in Figure 1, the present invention is a kind of catalyst converter housing apparatus for shaping, described apparatus for shaping comprises punch 4, described punch 4 is set to wedge structure, the cross sectional shape of described punch 4 is set to that (catalyst converter housing 7 shows in the drawings with catalyst converter housing 7, during housing 7 shapings, be to be sleeved on die 5 outsides) the structure that matches of inner wall shape.
Described apparatus for shaping also comprises die 5, and the profile of described die 5 is set to the structure that matches with the inner wall shape of catalyst converter housing 7, and the interior location of described die 5 is set to hollow structure, and die 5 is set to the structure that plural minute mould 8 formed.
Described apparatus for shaping also comprises undersetting 1, upper bracket 3, on the described upper bracket 1 platform structure 9 is set, described die 5 is set to be placed on the structure on the platform structure 9, described punch 4 is connected with upper bracket 3, described punch 4 and upper bracket 3 are set to be positioned at the structure of die 5 top positions, the structure that the punch front end 10 of described punch 4 is aimed at the hollow position of die 5, and described catalyst converter apparatus for shaping is connected with hydraulic control device 14.
The one side of bearing 1 of facing down on the upper bracket 3 of described apparatus for shaping is provided with plural guide shaft cover 11, is provided with guide shaft in the guide shaft cover 11 and overlaps 11 guide shafts that cooperate 12, and the other end of described guide shaft 12 is connected with undersetting 1.
The limited post 6 of projection is set on the platform structure 9 of described undersetting 1, and described limited post 6 is set to the cylindrical structure that matches with the inside of die 5.
The optimal number of described guide shaft cover 11 and guide shaft 12 is set to 2-4, described 11 guide shafts cover and upper bracket 3; Guide shaft 12 all adopts stationary fit (interference fit) to be connected with undersetting 1.Guide shaft cover 11 adopts with guide shaft 12 and is connected movingly, and fit clearance is 0.03～0.05 millimeter.Punch 4 and upper bracket 3, die 5 is connected and fixed with screw and pin respectively with undersetting 1.4 punch 4 and 3 upper brackets 3 undersetting 1 and 5 dies 4 in lifting process maintain static, and guide shaft 12 is pierced in 11 slips of guide shaft cover, thereby realizes the guide-localization effect to upper bracket 3.Adjust the hydraulic press stroke, the range of control upper bracket 3 and punch 4.
Described punch 4 is set to the cylindrical structure in cross section, and described die 5 is the cylindrical structural of hollow, and die 5 is set to be divided into the structure of four branch moulds, 8 combinations, and the outside of die 5 is set with rubber ring 2.
Be set to exist the structure in gap between described four branch moulds 8, described gap is set to the structure of 4-8mm.
The groove 13 along 5 one weeks of die that the outer setting of described die 5 is above together, described rubber ring 2 is sleeved in the groove.
The invention still further relates to a kind of processing method of catalyst converter housing, described processing method also comprises catalyst converter inner walls shaping step.
When described catalyst converter inner walls is carried out integer, at first the catalyst converter housing 7 behind the die mould is sleeved on the die 5, four branch moulds 8 are constrained to one by rubber ring 2 each other, punch 4 falls then, in the process that punch 4 falls, the punch 4 and die 5 inner chambers of wedge structure match, thereby make and evenly to open by four branch moulds 8, thereby realize the shaping of catalyst converter housing 7, after shaping was finished, punch 4 at the uniform velocity rose, and broke away from die 5, die 5 reset condition of withdrawing under the constraint of rubber ring 2 is taken off the catalyst converter housing 7 of finishing shaping from platform structure 9 at last.
The inwall shaping step of catalyst converter housing 7 of the present invention, after housing 7 profile pressure-type process, catalyst converter apparatus for shaping of the present invention is connected with hydraulic control device 14, and the lifting of described punch 4 is by hydraulic control system 14 controls.
Described inner walls integer mould punch 4 is wedge structure, and is upper coarse and lower fine, the center die 5 of punch 4.
Described sizing die punch 4 and die 5 sizes according to shell theory size and housing die mould after the springback capacity design at disciform major axis and minor axis arc place, and the adjusting range of 2mm is arranged.
During described inner walls shaping, punch 4 falls in the die 5 along central vertical, and the length that distance of fall is adjusted limited post 6 according to the shaping dimensional requirement realizes control.Can avoid the excessive generation housing of punch 4 distance of falls to cross like this rising and cause housing commissure cracking.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously the concrete realization of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or design of the present invention and technical scheme are directly applied to other occasions without improving, all in protection scope of the present invention.
Claims (10)
1. catalyst converter housing apparatus for shaping, it is characterized in that: described apparatus for shaping comprises punch (4), described punch (4) is set to wedge structure, and the cross sectional shape of described punch (4) is set to the structure that matches with the inner wall shape of catalyst converter housing (7).
2. catalyst converter housing apparatus for shaping according to claim 1, it is characterized in that: described apparatus for shaping also comprises die (5), the profile of described die (5) is set to the structure that matches with the inner wall shape of catalyst converter housing (7), the interior location of described die (5) is set to hollow structure, and die (5) is set to the structure of plural minute mould (8) composition.
3. catalyst converter housing apparatus for shaping according to claim 1 and 2, it is characterized in that: described apparatus for shaping also comprises undersetting (1), upper bracket (3), platform structure (9) is set on the described upper bracket (1), described die (5) is set to be placed on the structure on the platform structure (9), described punch (4) is connected with upper bracket (3), described punch (4) and upper bracket (3) are set to be positioned at the structure of die (5) top position, the punch front end (10) of described punch (4) is aimed at the structure of the hollow position of die (5), and described catalyst converter apparatus for shaping is connected with hydraulic control device (14).
4. catalyst converter housing apparatus for shaping according to claim 3, it is characterized in that: the one side of the bearing (1) that faces down on the upper bracket of described apparatus for shaping (3) is provided with plural guide shaft cover (11), the guide shaft (12) that cooperates with guide shaft cover (11) is set in the guide shaft cover (11), and the other end of described guide shaft (12) is connected with undersetting (1).
5. catalyst converter housing apparatus for shaping according to claim 4, it is characterized in that: the limited post (6) of projection is set on the platform structure (9) of described undersetting (1), and described limited post (6) is set to the cylindrical structure that matches with the inside of die (5).
6. catalyst converter housing apparatus for shaping according to claim 5, it is characterized in that: the optimal number of described guide shaft cover (11) and guide shaft (12) is set to 2-4, and described guide shaft cover (11) and guide shaft (12) are evenly arranged in respectively on upper bracket (3) and the undersetting (1).
7. according to the arbitrary described catalyst converter housing apparatus for shaping of claim 1 to 6, it is characterized in that: described punch (4) is set to the cylindrical structure in cross section, described die (5) is the cylindrical structural of hollow, die (5) is set to be divided into the structure of four branch moulds (8) combination, the outside of die (5) is set with rubber ring (2), be set to exist the structure in gap between described four branch moulds (8), described gap is set to the structure of 4-8mm.
8. catalyst converter housing apparatus for shaping according to claim 7 is characterized in that: the outer setting of described die (5) together above along the die groove in (5) one weeks (13), described rubber ring (2) is sleeved in the groove (13).
9. the processing method of a catalyst converter housing, it is characterized in that: described processing method also comprises catalyst converter inner walls shaping step.
10. the processing method of a kind of catalyst converter housing according to claim 9, it is characterized in that: when described catalyst converter inner walls is carried out integer, at first the catalyst converter housing (7) behind the die mould is sleeved on the die (5), four branch moulds (8) are constrained to one by rubber ring (2) each other, punch (4) falls then, in the process that punch (4) falls, the punch of wedge structure (4) matches with die (5) inner chamber, thereby make and evenly to open by four branch moulds (8), thereby realize the shaping of catalyst converter housing (7), after shaping is finished, punch (4) at the uniform velocity rises, break away from die (5), die (5) reset condition of withdrawing under the constraint of rubber ring (2) is taken off the catalyst converter housing (7) of finishing shaping from platform structure (9) at last.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010573837 CN102145355A (en) | 2010-12-04 | 2010-12-04 | Catalytic converter shell reshaping device and catalytic converter shell processing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010573837 CN102145355A (en) | 2010-12-04 | 2010-12-04 | Catalytic converter shell reshaping device and catalytic converter shell processing method |
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| Publication Number | Publication Date |
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| CN102145355A true CN102145355A (en) | 2011-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010573837 Pending CN102145355A (en) | 2010-12-04 | 2010-12-04 | Catalytic converter shell reshaping device and catalytic converter shell processing method |
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| CN (1) | CN102145355A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371292A (en) * | 2011-11-07 | 2012-03-14 | 天津绿博大环保设备科技研发有限公司 | Vertical opening bucket reshaping system |
| CN107186004A (en) * | 2017-06-20 | 2017-09-22 | 凯龙高科技股份有限公司 | A kind of horizontal trimmer for thin-wall sleeve parts |
| CN112666205A (en) * | 2020-12-30 | 2021-04-16 | 山东东珩胶体材料有限公司 | Three way catalyst converter sealing gasket testing arrangement |
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| CN1903473A (en) * | 2005-07-29 | 2007-01-31 | 中国科学院金属研究所 | Mild hot formation method for making magnesium alloy shell of cell phone and mould specially for the same |
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| CN101947568A (en) * | 2010-09-16 | 2011-01-19 | 陕西黄河集团有限公司 | Multiple cold extrusion molding method of multi-cavity thin-shell part with non-uniform sections |
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS58110167A (en) * | 1981-12-24 | 1983-06-30 | Toyota Motor Corp | Production of metallic mold for simple press molding |
| JPH05154580A (en) * | 1991-12-04 | 1993-06-22 | Shimizu Corp | Mold made of concrete having metallic shell and production thereof |
| CN1405434A (en) * | 2002-10-31 | 2003-03-26 | 殷宏祥 | Method for pressing valve gate piece and its necessary mould |
| CN2759632Y (en) * | 2004-09-28 | 2006-02-22 | 詹有耕 | Aluminium case strip material continuous stretching die for electrolytic capacitor |
| CN1903473A (en) * | 2005-07-29 | 2007-01-31 | 中国科学院金属研究所 | Mild hot formation method for making magnesium alloy shell of cell phone and mould specially for the same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102371292A (en) * | 2011-11-07 | 2012-03-14 | 天津绿博大环保设备科技研发有限公司 | Vertical opening bucket reshaping system |
| CN107186004A (en) * | 2017-06-20 | 2017-09-22 | 凯龙高科技股份有限公司 | A kind of horizontal trimmer for thin-wall sleeve parts |
| CN112666205A (en) * | 2020-12-30 | 2021-04-16 | 山东东珩胶体材料有限公司 | Three way catalyst converter sealing gasket testing arrangement |
| CN112666205B (en) * | 2020-12-30 | 2022-09-16 | 山东东珩国纤新材料有限公司 | Three way catalyst converter sealing gasket testing arrangement |
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Application publication date: 20110810 |