WO2008046595A1 - Procédé et outil pour produire des dispositifs d'acheminement de gaz d'échappement - Google Patents

Procédé et outil pour produire des dispositifs d'acheminement de gaz d'échappement Download PDF

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Publication number
WO2008046595A1
WO2008046595A1 PCT/EP2007/008989 EP2007008989W WO2008046595A1 WO 2008046595 A1 WO2008046595 A1 WO 2008046595A1 EP 2007008989 W EP2007008989 W EP 2007008989W WO 2008046595 A1 WO2008046595 A1 WO 2008046595A1
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WO
WIPO (PCT)
Prior art keywords
pressure
jaws
insert
tool
pressure jaws
Prior art date
Application number
PCT/EP2007/008989
Other languages
German (de)
English (en)
Inventor
Peter Kroner
Manfred Stiglmair
Original Assignee
Emcon Technologies Germany (Augsburg) Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Emcon Technologies Germany (Augsburg) Gmbh filed Critical Emcon Technologies Germany (Augsburg) Gmbh
Publication of WO2008046595A1 publication Critical patent/WO2008046595A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P11/00—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for 
    • B23P11/005—Connecting or disconnecting metal parts or objects by metal-working techniques not otherwise provided for  by expanding or crimping
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B21D39/048—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods using presses for radially crimping tubular elements
    • 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
    • F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
    • F01N3/2853—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration using mats or gaskets between catalyst body and housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
    • B23P2700/03—Catalysts or parts thereof
    • 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
    • F01N2350/00—Arrangements for fitting catalyst support or particle filter element in the housing
    • F01N2350/02—Fitting ceramic monoliths in a metallic housing
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/02—Fitting monolithic blocks into the housing
    • 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
    • F01N2450/00—Methods or apparatus for fitting, inserting or repairing different elements
    • F01N2450/20—Methods or apparatus for fitting, inserting or repairing different elements by mechanical joints, e.g. by deforming housing, tube, baffle plate or parts thereof

Definitions

  • the invention relates to a method for producing exhaust gas-conducting devices, in particular exhaust gas-cleaning devices such as particle filters and catalysts, but also mufflers.
  • exhaust gas-cleaning devices such as particle filters and catalysts, but also mufflers.
  • These devices are provided with a housing with a jacket, preferably a cylindrical metal jacket, and an insert clamped in the housing, usually a so-called monolith together with a bearing mat surrounding it. The insert is radially clamped in the jacket and thus held.
  • Another method of winding is to place a very highly preformed sheath around the insert and then place the unit in a receptacle adapted to the later form of the device.
  • pressure jaws are then fed toward one another, which push the edges one above the other into the end position, in which the overlapping edges are then welded together.
  • Another method for producing the device is the so-called calibration or shrinking.
  • the insert is inserted into an oversized, circumferentially already closed tube, and the resulting unit is then placed in a tool which is provided with numerous radially inwardly movable pressure jaws.
  • the jaws are either provided on their inner side with a cylindrical segment-shaped inner surface which acts on the jacket, or it is attached to the jaws still correspondingly shaped moldings.
  • the pressure jaws are moved radially inwards, they plastically deform the shell so that the insert in the jacket is deformed. is stuck.
  • the tool is several meters long, because the relatively high radial force is achieved via a wedge effect of mutually movable parts.
  • a linearly displaceable carriage moves several wedge-shaped parts, which add up to a funnel, in the longitudinal direction and displaces the pressure jaws radially inwards slowly but very precisely.
  • a third, commonly used method is clamping over so-called shell shells.
  • the jacket is preferably divided into two half-shells, wherein the insert is positioned in the lower shell and the upper shell is then moved against the lower shell. When the shell halves are then overlapped, they are welded together at their contacting edges. Since the shells have an undersize with respect to the depositor, takes place when moving the shells, a clamping of the insert.
  • the corresponding tool is in the present case only a substantially vertically movable press with a lower receptacle for the lower shell and an upper mold part for receiving the upper shell.
  • the invention relates to a method which provides a significantly lower cost for the production of the device, and an extremely inexpensive to produce tool with which an exhaust gas-conducting device can be produced.
  • the inventive method is, as already explained, aligned for the production of exhaust gas-conducting devices having a housing with a jacket and an insert clamped in the housing, and operates with a tool having inwardly and outwardly movable jaws.
  • the invention provides: a) at least two different sets of moldings are provided, with which different process steps are performed, wherein the inner sides of the mold parts of at least one of the sets together define the geometry of the shell, each set of moldings another of the following steps associated with the respective sentence, - winding the jacket;
  • one or more pressure jaws can be deactivated and / or individually or in groups differently borrowed, d) the depositor and, at least during winding, calibrating and collapsing the unit of insert and sheath, is / are inserted into the tool and e) at least one jaw with its molded part is inwardly against the insert and, at least during winding, calibration and pushing pushed against the mantle, wherein another pressure jaw with its molding application of a counter force.
  • the invention is based on the idea that by means of the same tool different so-called Canning methods, ie methods for embedding the insert in the jacket, can be performed.
  • the invention not only provides for a universal canning method, but also allows a pressure measurement of the insert to be made with this tool by compressing the insert. This serves to determine the individual compliance for each depositor. This flexibility results in particular from the bearing mat which, after it has been compressed, undergoes a certain settling and aging process (relaxation) so that over a period of years the pressure released to the inner substrate decreases.
  • Measurement can be done before canning in the same tool, without subsequent conversion.
  • the present invention provides in its basic form according to claim 1, that at least two of the processes winding, calibrating, pushing together and pressure measurement done with a tool, but it is preferred more than two of these individual methods.
  • the invention provides different sets of moldings, which are then attached to associated jaws. Since the pressure jaws can be deactivated individually or in groups and / or can be controlled differently individually or in groups, processes that have hitherto been carried out in completely different tools can now be carried out in one method and one tool.
  • the pressure jaws could cover the greatest distance in the area of the two edges. against some other jaws only stay fixed or hardly moved. A staggered movement of the pressure jaws to each other is possible.
  • At least one pressure jaws when pushing together shell shells and / or during winding of the shell at least one pressure jaws is disabled and that when pushing together shell shells even only a pressure jaws is activated.
  • examples of which have already been given beforehand may be favorable for providing at least one of the non-activated pressure jaws with a molded part which acts as a holder or as an abutment.
  • the method according to the invention provides according to a preferred embodiment, that the activated pressure jaws are moved pressure and / or position controlled.
  • an incremental control of the pressure jaws is advantageous, i. the controller knows the position of the jaws.
  • all the jaws can be moved by means of a common drive, but as an alternative, individual drives could also be assigned to each jaw or at least groups of jaws.
  • the invention also relates to a method as described above
  • the devices to be manufactured have a jacket and an insert clamped in the housing (preferably a substrate with a bearing mat).
  • the tool comprises a working space for receiving the insert and the jacket surrounding the insert, a plurality of inwardly and outwardly movable pressure jaws for deforming the insert and / or the shell and terminals of the insert in the shell and attached to the inner ends of the pressure jaws, replaceable moldings, the come to the depositor or the jacket to the plant and determined when investing in the shell of its desired shape.
  • the tool is characterized in that pressure jaws can be deactivated and / or controlled individually or in groups.
  • the pressure jaws can be individually deactivated and / or controlled individually or deactivated in groups and / or individually controlled, different methods can be carried out, namely at least two of the four methods of winding the jacket, calibrating the jacket, sheathing of jacket shells and Pressure measurement on inward movement of the jaws against the insert.
  • the tool has a mechanical or electrical, alternatively a hydraulic or pneumatic control for the movement of the jaws, which makes these individually switchable or controllable.
  • the control can also be, for example, an individual control cam in a power transmission path, via which force is applied to the pressure jaws.
  • the invention provides in the preferred embodiment a kind of modular system by providing several different sets of mold parts, each used for different movements of the tool parts, i. with which different procedures can be carried out. These sets of moldings are assigned to different movements of the tool. That is, the kit provides for different, predetermined processes associated sets of moldings and associated activated or deactivated, provided with or without moldings pressure jaws or differently controlled pressure jaws before.
  • the pressure jaws are aligned in particular radially displaceable.
  • the orientation of the jaws with respect to their angle and thus the position of the insert or coat can be adjusted individually when the jaws are made angularly adjustable.
  • the jaws and their directions of movement are adjustable in the range from the vertical to the tangent to the workpiece.
  • a compact embodiment of the tool according to the invention can be achieved if the working space in which the insert is inserted, including coat, surrounded by a housing.
  • This housing is used for storage and power.
  • the compactness of the tool is also achieved by a surrounding the working space, rotatable to move the pressure jaws drive part.
  • This oversized, responsible for many or even all jaw movements drive part allows it to exert a force on the activated cheeks very evenly and in a small footprint evenly and move them evenly. Particularly in the axial direction, the tool according to the invention builds extremely short.
  • the drive member is provided with a translation portion to which the pressure jaws are coupled and over which the rotational movement is converted into an inward movement of the pressure jaws.
  • This translation section has, for example, a type of control cam, via which the force is directed in the direction of the pressure jaw and which has a varying distance from the working space. It can be a kind of slotted guide or, according to the preferred embodiment, realize a kind of wedge principle. On the relatively large circumference of the drive part can be realized for each pressure jaws a relatively large cam length, without this being at the expense of the axial length of the tool or the space increases excessively. In addition, it would of course also conceivable to provide a kind of linkage or gear as a translation section.
  • the translation section may preferably be designed as a replaceable and / or adjustable part. It can be for each pressure jaws a single, interchangeable and individual part as translation section or make a replaceable part for several jaws or adjustable parts.
  • the rotatable drive member surrounding the working space is also very important for easy accessibility when retrofitting the tool to perform another method. Namely, all the jaws together with the molded parts and the drive part including translation sections are directly accessible on the front side in this embodiment.
  • the modular tool according to the invention provides that different sets of moldings are provided and associated, interchangeable and / or adjustable translation sections, the latter also being mechanically e.g. can be fixedly attached to the drive part at one end.
  • FIG. 1 shows a longitudinal sectional view through an apparatus according to the invention in the form of an exhaust gas catalytic converter or diesel particle filter,
  • FIG. 2 shows a front view, partly in section, of a tool according to the invention for carrying out the method according to the invention
  • FIG. 3 is a sectional view through the tool of Figure 2 taken along the line IH-III 1
  • FIG. 4 shows a schematic front view through the tool during winding together with the device located therein
  • FIG. 5 is a schematic front view of the tool according to the invention when connecting shell shells and
  • FIG. 6 is a schematic view of the tool according to the invention during pressure measurement of the insert.
  • FIG. 1 shows an exhaust-gas-conducting device accommodated in a motor vehicle in the form of a vehicle exhaust gas purification device, which is either an exhaust gas catalytic converter or a diesel particulate filter or a combination of both.
  • a vehicle exhaust gas purification device which is either an exhaust gas catalytic converter or a diesel particulate filter or a combination of both.
  • the substrate 10 may have a circular cylindrical cross section or a non-circular cross section. Only for the sake of simplicity, a circular cylindrical cross section is shown in the figures.
  • the substrate 10 is surrounded by a bearing mat 12, which acts as an elastic compensation element between the substrate and an outer housing, hereinafter referred to as jacket 14.
  • the jacket 14 is made very thin-walled and in particular made of sheet metal. Upstream and downstream of the jacket 14, an inflow funnel 16 and a discharge funnel 18 are connected.
  • the substrate 10 forms, together with the bearing mat 12, a prefabricated unit, which is referred to below as a depositor. -
  • exhaust gas flows via the inflow funnel 16 into the substrate 10 at the front end and leaves with fewer pollutants finally the substrate 10 at the opposite end face in order to leave the cleaning device via the outlet funnel 18.
  • the device is manufactured by means of a tool, which is shown in FIGS. 2 and 3.
  • the tool comprises a base 20 and a plate-shaped, vertical support 22 having a central opening 24 (see FIG. 3).
  • the tool is largely symmetrically aligned with a central axis M, which also forms the central axis of the opening 24.
  • the inside of the housing 26 serves as a sliding bearing surface for a rotatable about the central axis M drive member 28.
  • the drive member 28 is made of several pieces and includes a collar 30, the Outside on the inside of the housing 26 slides, and on the inside of the adjusting ring 30 releasably secured so-called. Translation sections 32.
  • the translation sections 32 are circular segments, the inner sides each have a continuously from one to the other circumferential end progressively closer to the central axis M running cam 34.
  • the translation portions 32 are fixed, for example via numerous screws 36 on the adjusting ring 30.
  • the position of the drive Part 28 serves on the one hand the carrier 22 and on the other hand a housing 26 attached to the disc 38 (see Fig. 3).
  • a bearing arm 40 for a drive 42 in the form of a hydraulic cylinder is connected to the adjusting ring 30.
  • the drive member 28 can be rotated clockwise and counterclockwise in the housing 26.
  • a direct drive on the adjusting ring 30 would be advantageous, in particular if the position of the adjusting ring 30 is known and is incrementally adjusted.
  • On the illustrated front of the carrier 22 a plurality of evenly distributed on the circumference, spaced apart Druckbak- kenticianen 44 are attached.
  • Each jaw unit 44 includes a Druckbak- ken 46 with a linearly movable plunger 48 and a pressure roller 50 which is attached to the outer end of the plunger 48 and rests on the associated control cam 34.
  • Each plunger 48 is stably supported in a guide bushing 52. From a plunger 48 surrounding the return spring 54 which engages on the one hand on the plunger 48 via an adjusting nut 56 and on the other hand on the guide bushing 52, each plunger 48 is subjected to a force radially outward. The return spring 54 thus ensures that the pressure roller 50 rests in any position on the control cam 34.
  • Each jaw unit 44 is associated with a bearing block 58 which is connected to the central axis M through a pivot bearing 60 with the carrier 22 and via screws 62 seated in slots with the carrier 22. Since the screws 62 extend in arcuate oblong holes, each pressure jaw unit 44 can be aligned at an angle to the central axis M.
  • each pressure jaw unit 44 is assigned its own translation section 32 with its own control curve 34.
  • the translation portions 32 are arranged sequentially in the circumferential direction.
  • a so-called shaped part 64 also called a shaping jaw, is fastened on each plunger 48 so as to be easily interchangeable via a screw connection (see FIG. 3).
  • each jaw unit 44 e.g. is only a single jaw unit (the one at 3 o'clock) with a clearly visible in its outlines plunger 48 and a return spring 54 shown.
  • FIG. 2 also shows a rotation stop 66, which may optionally be fastened in different directions in the circumferential direction, which is attached to the housing 26 and cooperates with a stop 68 on the bearing arm 40.
  • the molded parts 64 have a radial inner side 70, which together define a working space 72 and, if they have moved maximally radially inwards, define the later outer geometry of the jacket 14 of the housing during canning.
  • the tool is configured so that all the jaw units 44 are active, i.e., on the one hand, all the jaw units are provided with a molding 64 and, on the other hand, there is force transmission between each ram 48 and the drive 42.
  • This prefabricated unit (also referred to below as a workpiece) is positioned between the mold parts 64. Subsequently, the drive 42 is actuated, which leads to a rotation of the adjusting ring 30 and the control cams 34. About the translation portions 32, the rotational movement in numerous individual linear movements, namely that of the pressure jaws 46 is converted when the pressure roll 50 along the cams 34 along and drive the plunger 48 inward due to the inward-facing path.
  • the molded parts 64 deform the shell 14 very evenly around the circumference plastically, ie they calibrate the jacket 14 and cause the insert is sufficiently clamped radially in the jacket 14.
  • the movement can take place up to the contact of the stops 66, 68 or pressure and / or position-controlled, wherein an incremental control can also be provided.
  • the elaborate controls allow an exact clamping of the insert in narrow, predetermined limits.
  • the pressure jaws 46 are then moved outward by reversing the drive 42, and the device produced is fully automatic in the conveying direction F, which consequently does not change between supply and removal of the workpiece, through the opening 24 on the rear side 104 of the tool opposite the front side transported out by means of the conveyor system 102 (see workpiece with broken lines in Figure 3).
  • the tool thus operates on the flow principle. Simultaneously with the removal of the workpiece produced already the supply of the still to be calibrated workpiece in the tool, so that there are low cycle times.
  • the tool shown in Figure 2 is a universal tool that is also used for other processes in the manufacture of the exhaust gas delivery device, for example, when winding the jacket 14 around the insert.
  • the tool has been converted for winding a jacket 14.
  • an individually adapted set of molded parts 64 ' is provided, which does not correspond to the first set of molded parts 64 shown in FIG.
  • the lower jaw (at 6 o'clock) is provided with an oversized, half-shell molded part 64 ', its associated control curve 34 is either located on a circular ring, ie there is no wedging action and no displacement of the plunger 48, or the associated plunger 48 is on another way axially fixed immovable, so that the molding 64 "can act as an abutment and absorbs forces.
  • the translation portions 32 may also be adjustably mounted on the adjusting ring 30, so that for other workpieces or methods to be used, the translation portions 32 need only be adjusted, as indicated by the pivotable translation portion 32 a.
  • the horizontally left and right extending jaw units 44 are either disabled as the lower jaw unit and are positionally stable and thus acting as an abutment pressure jaws, or they are radially inwardly displaceable, i. activated.
  • the top right and top left pressure jaw units 44 are pivoted in the direction of the horizontal axis and that by the angle ⁇ . This is very easy in view of the pivot bearing 60. Simplified symbolized are their individually tailored to them translation sections 32 'shown. The control cams 34 'together with the translation sections 32' are slightly shifted in their position compared with the associated position in Figure 2, to adapt them to the new angular orientation of the pivoted upper jaw units 44.
  • the upper jaw assembly at 84 may either be omitted, disabled or also activated, it is omitted for simplicity and is not critical to the principal statement.
  • About the location and thickness of the translation sections can be set easily whether individual jaws are adjusted sooner or later or more than other jaws.
  • the unit of jacket 14 and insert is retracted from the front 100 in the conveying direction F fully automatically in the working space 72.
  • the jacket 14 is already somewhat preformed and adapted to the circular shape, it is about the final closing of the shell 14 and the achievement of the clamping force.
  • the workpiece is located in the lower mold part 64 ", optionally held laterally by positionally stable, deactivated mold parts 64 'at 3 o'clock and 9 o'clock, Alternatively, these mold parts 64' can also be driven slightly radially inward
  • the drive 42 is moved.
  • the pressure jaws located at 3 o'clock and 9 o'clock could now first be moved radially inwards before the upper pressure jaws 46 'to be traversed by the larger displacement travel inwards and the free edges 86, 88 of the casing 14 continue to slide over one another.
  • the arrows on the upper pressure jaws 46 ' show the linear direction of movement of these pressure jaws 46'. In the end position, the edges 86, 88 are spot-welded.
  • the tool can also be further converted to according to Figure 5 shell shells 114, 214, which are welded to form a shell, each other to move, so that the insert is clamped in the resulting coat.
  • shell shells 114, 214 which are welded to form a shell, each other to move, so that the insert is clamped in the resulting coat.
  • only one lower mold part 64 "and one upper mold part 64" are necessary, all six lateral pressure jaw units 44 are deactivated.
  • the lower jaw 46 is disabled, but in this case stable, so that they can serve as an abutment.
  • the upper pressure jaw 46 "with its half-shell-like molded part 64" is active, and is also assigned an individual translation section 32 ".Firstly, the lower jacket shell 114 together with the insert is inserted into the lower molded part 64". The upper jacket shell 214, spaced from the lower shell shell 114, placed on the insert or attached to the movable mold part 64.
  • the pressure jaw 46 is subsequently moved downwards until the outwardly bent flanges 116 of the shell shells touch each other.
  • the sheath shells 114, 214 are now welded together.
  • the finished workpiece is moved out of the workpiece via the opening 24 while the conveying direction F remains the same, and at the same time a new workpiece is fed to the tool.
  • This pressure measurement can be carried out with more or less activated pressure jaws 46.
  • the pressure measurement is preferably carried out for each depositor prior to canning and more preferably in the tool configuration in which the canning is subsequently performed. In this use of the tool, it serves as a measuring device, via which the pressure is applied, which simulates the later pressure during Canning or is extrapolated on the latter at this later pressure.
  • the tool serves as a measuring device, in which the resilience of the to be installed, preferably even each insert to be installed is determined.
  • the insert is inserted in the conveying direction F in the tool and by at least one pressure jaw 46 '", preferably more pressure jaws 46"', radially inwardly increasingly loaded.
  • the pressure jaws 46 '' are coupled to load cells 120 which constantly sense the applied force and which can either be permanently provided or installed between force transmitting parts for this single operation step specific pressure.
  • the force applied to the inserter is steadily increased until a predetermined pressure is reached.
  • the travel path is picked up in a punctiform or continuous manner parallel to the pressure.
  • the predetermined pressure may be the desired pressure corresponding to the target deformation, with which the insert should later be clamped in the outer housing 14 ,
  • the tool is coupled to a corresponding controller 126, in which the determined measurement data are stored, so that the controller 126 also serves as a memory.
  • the illustrated tool serves four individual process steps, of which three are canning methods and one measuring method.
  • the tool should preferably be designed in such a way that at least two of the can-ning methods can be carried out via the individually activatable or controllable pressure jaws 46 connected to the associated individual shaped parts 64.
  • each jaw 46 could be provided with its own drive, e.g. a separate electric drive or hydraulic / pneumatic drive 42 ', as is indicated in Figure 2 by way of example for two pressure jaws.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

L'invention concerne un procédé et un outil utilisés pour produire des dispositifs pour acheminer des gaz d'échappement, qui présentent un boîtier muni d'une enveloppe (14) et un insert fixé dans le boîtier et travaillent avec des mâchoires de compression (46) déplaçables vers l'intérieur et vers l'extérieur. Il est prévu au moins deux différents jeux de pièces moulées (64) pour les mâchoires de compression (46), pour mettre en oeuvre différentes étapes du procédé. Il est prévu d'associer à chaque jeu de pièces moulées (64; 64'; 64'') une autre des étapes suivantes, qui est mise en oeuvre avec le jeu respectif: enroulement de l'enveloppe (14), étalonnage de l'enveloppe (14), assemblage de coques d'enveloppe (114; 214) et mesure de pression lors du mouvement exercé par les mâchoires de compression (46; 46'; 46''; 46''') vers l'intérieur, contre l'insert. En fonction de l'étape à mettre en oeuvre, une ou plusieurs mâchoires de compression (46) peuvent être désactivées et/ou pilotées de manière différenciée, individuellement ou en groupes.
PCT/EP2007/008989 2006-10-18 2007-10-17 Procédé et outil pour produire des dispositifs d'acheminement de gaz d'échappement WO2008046595A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006049238.2 2006-10-18
DE200610049238 DE102006049238A1 (de) 2006-10-18 2006-10-18 Verfahren und ein Werkzeug zum Herstellen von abgasführenden Vorrichtungen

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Publication Number Publication Date
WO2008046595A1 true WO2008046595A1 (fr) 2008-04-24

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DE (1) DE102006049238A1 (fr)
WO (1) WO2008046595A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008298019A (ja) * 2007-06-01 2008-12-11 Yutaka Giken Co Ltd 排ガス浄化装置のマット圧縮方法及びマット圧縮装置
WO2008149960A1 (fr) * 2007-06-01 2008-12-11 Yutaka Giken Co., Ltd. Procédé et appareil de compression d'un matelas dans un dispositif de nettoyage de gaz d'échappement
JP2008298021A (ja) * 2007-06-01 2008-12-11 Yutaka Giken Co Ltd 排ガス浄化装置のマット取付方法及びマット取付装置
CN104985054A (zh) * 2015-07-09 2015-10-21 张家港市圣鼎源制管有限公司 一种高压油管扣压模具

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US5683660A (en) * 1993-12-31 1997-11-04 J. Eberspacher Gmbh & Co. Method for uniting an exhaust treatment body with its housing and an exhaust treatment apparatus
JP2002097944A (ja) * 2000-09-26 2002-04-05 Tokyo Roki Co Ltd 触媒担体の被覆方法およびこの方法に用いる縮径加工装置
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JP2008298019A (ja) * 2007-06-01 2008-12-11 Yutaka Giken Co Ltd 排ガス浄化装置のマット圧縮方法及びマット圧縮装置
WO2008149960A1 (fr) * 2007-06-01 2008-12-11 Yutaka Giken Co., Ltd. Procédé et appareil de compression d'un matelas dans un dispositif de nettoyage de gaz d'échappement
JP2008298021A (ja) * 2007-06-01 2008-12-11 Yutaka Giken Co Ltd 排ガス浄化装置のマット取付方法及びマット取付装置
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CN104985054A (zh) * 2015-07-09 2015-10-21 张家港市圣鼎源制管有限公司 一种高压油管扣压模具

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