EP2744601A1 - Verfahren und anlage zur behandlung von gegenständen - Google Patents
Verfahren und anlage zur behandlung von gegenständenInfo
- Publication number
- EP2744601A1 EP2744601A1 EP12743906.5A EP12743906A EP2744601A1 EP 2744601 A1 EP2744601 A1 EP 2744601A1 EP 12743906 A EP12743906 A EP 12743906A EP 2744601 A1 EP2744601 A1 EP 2744601A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- support structure
- cooling
- cooling medium
- article
- conveyed
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0285—Stands for supporting individual articles to be sprayed, e.g. doors, vehicle body parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
- B05B13/0447—Installation or apparatus for applying liquid or other fluent material to conveyed separate articles
- B05B13/0452—Installation or apparatus for applying liquid or other fluent material to conveyed separate articles the conveyed articles being vehicle bodies
Definitions
- the invention relates to a method for treating objects, in particular vehicle bodies, in which a) an article is conveyed on a support structure through a treatment chamber in which an operating atmosphere is generated which has a higher temperature than the atmosphere outside the treatment chamber, so that both the article and the support structure warm up; b) the article is conveyed on the support structure after passing through the treatment chamber through a cooling zone in which the article and the support structure cool down.
- the invention relates to a system for the treatment of objects, in particular of vehicle bodies, with a) a conveyor system, by means of which an object can be conveyed on a supporting structure; b) at least one treatment chamber through which the article is conveyable on the support structure and in which an operating atmosphere is generated, which has a higher temperature than the atmosphere outside the treatment chamber, so that both the article and the support structure to heat; c) at least one cooling zone, through which the object on the support structure can be conveyed after passing through the treatment chamber and which comprises a cooling device, by means of which the object and the supporting structure can be cooled.
- articles are supported on supporting structures in the form of so-called skids by installations in which the surface of the objects is treated or manual work is performed on the objects.
- the articles may in particular be vehicle bodies, but also other assemblies and components which may also be made of non-metallic materials, in particular of plastic. If the articles are smaller parts, they may also be accommodated in a carrying basket or the like, which may be attached to the skid.
- skids of the skid cooperate with conveying means, such as a belt conveyor or a roller conveyor.
- the load to be borne by the skids is typically between 20 kg, depending on the objects to be treated, e.g. in plastic parts, and up to 3000 kg or more.
- the size and mass of the skid used also depends on the objects to be treated, with the mass of the skid usually varying between about 150 kg for light and up to 1500 kg for heavy objects.
- vehicle bodies undergo several surface treatments, after which they each have to be dried again before the vehicle bodies can be subjected to further treatment.
- treatments are the cathodic dip coating, the filler application, the formation of the underbody protection, the seam sealing and the application of coloring paint and clearcoat.
- the vehicle is a series of treatments in the form of manual work carried out by factory staff inside the vehicle bodywork. These include, for example, grinding work on the vehicle body, sealing work or the introduction of insulation boards by factory employees in the vehicle body.
- the individual treatment stations and the individual dryers are usually passed through by the vehicle bodies to be treated on a skid.
- skid is also heated each time, in order to then allow it to cool down again with the objects.
- Skids as commonly used, have the largest mass in their runners. These also absorb most of the heat in the skid.
- the components that absorb the largest amount of heat, formed by the supporting frame parts which are usually located near the bottom of the vehicle body. Accordingly, these supporting frame parts are located near the skid when the vehicle body is mounted on the skid.
- the vehicle body and the skid usually remain a certain cooling time, if necessary cooling air is still supplied to them.
- the lighter parts of the vehicle body cool faster than their supporting parts and the skid, which radiate despite passing through the cooling zone significantly heat to the environment and into the vehicle body.
- temperatures of up to 50 ° C prevail.
- the invention is based on the recognition that in contrast to a gaseous cooling medium such as air, the use of a liquid or solid cooling medium leads to a better heat dissipation from the support structure. As a result, the supporting structure cools more strongly with the same dwell time in the cooling zone and no longer radiates heat in a cooling station following the cooling zone to the same extent as without cooling with liquid or solid cooling medium.
- a gaseous cooling medium such as air
- a liquid cooling medium Preferably, water is used as the cooling medium.
- cooling medium is passed in the form of a mist or a spray on the support structure.
- the cooling device comprises means by which at least the support structure with a liquid or solid cooling medium can be acted upon.
- the cooling zone comprises a sprinkler, by means of which liquid cooling medium can be delivered.
- the sprinkler device comprises sprinkler nozzles, by means of which a mist or a spray mist of cooling medium can be generated.
- the cooling zone comprises a suction device, by means of which air laden with cooling medium from the cooling zone can be sucked.
- Figure 1 is a horizontal section of a portion of a
- Figure 2 is a section of the cooling chamber along the section line II-II in Figure 1;
- Figure 3 is a sectional view of Figure 2 corresponding detail view of a sprinkler for the support structure on a larger scale.
- FIG. 1 shows a section of a drier, designated as a whole by 10, in which a varnish can be dried on vehicle bodies 12, which have been applied to the vehicle bodies 12 in a preceding coating process.
- the dryer 10 comprises a housing 14 in which a treatment tunnel 16 is formed, which is bounded laterally by two inner partitions 18 and 20.
- the dryer 10 is part of a not specifically provided with a reference numeral facility for treating Gegenstän the present here in the form of the vehicle bodies 12.
- the vehicle bodies 12 are conveyed by means of a conveyor system 22 through the dryer 10, wherein each vehicle body 12 is mounted on a support structure in the form of a support frame 24, as it is known per se under the name Skid; This name will also be used below.
- the conveyor system 22 per se is in the present case of no further interest, which is why this is not explained in detail.
- the skid 24 provides a direction indicated by an arrow main transport direction 26, in which it is guided together with a vehicle body 12 through the dryer 10; However, it can also be moved in the opposite direction or to the side.
- the skid 24 comprises two parallel support runners 28, 30, namely one with respect to the main transport direction 26 left support runner 28 and a reference to the main transport direction 26 right support runner 30. These are designed as hollow profile longitudinal bars with rectangular cross-section.
- the support runners 28, 30 are connected to each other by means of two also formed as a hollow profile transverse members 32, of which only in the figures 2 and 3 a recognizable. As a result, an overall sufficiently rigid support structure is created.
- the cross members 32 carry a total of four upwardly projecting mounting brackets 3.4, which together form a fastening device for a vehicle body 12. At these four mounting brackets 34, a vehicle body 12 to be funded can be releasably attached.
- the mounting brackets 34 may be structurally different depending on the nature of the vehicle body 12 to be conveyed and adapted accordingly, which is why it should not be discussed further here on the mounting brackets 34.
- the treatment tunnel 16 of the dryer 10 now comprises a treatment chamber in the form of a drying tunnel 36, to which a cooling zone in the form of a cooling chamber 38 adjoins in the conveying direction 26.
- the temperature in the drying tunnel 36 between 80 ° C and 200 ° C and the ambient temperature is about 20 ° C.
- the hot dry air heats up both the vehicle bodies 12 and the skids 24 carrying them, which thus emerge from the drying tunnel 36 at a temperature which makes further treatment of the vehicle bodywork, in particular manual handling by factory employees, more difficult and even impossible.
- a dried vehicle body 12 is conveyed into the cooling chamber 38, where the vehicle body 12 and the skid carrying them 24 are acted upon by means of a cooling device 46 with cooling air, which may also be conditioned if necessary.
- the cooling chamber 38 is also flanked by two pressure chambers 48 and 50 with respect to the conveying direction 26, from which conditioned cooling air is blown through cold air nozzles 52 into the cooling chamber 38 and directed to the vehicle body 12 or the skid 24 depending on the angular orientation of the cold air nozzles 50. Also from the cold air nozzles 52 are not all provided with a reference numeral.
- the cooling chamber 38 is associated with a suction not shown here specifically, by means of which the cooling air is sucked out of the cooling chamber 38.
- cooling device 46 comprises means to. the skid
- the cooling medium 54 may be liquid or solid. The latter may be the case, for example, when 54 C0 2 snow is used as the cooling medium.
- a liquid cooling medium 54 in particular when water is used as the cooling medium 54.
- This is applied by means of sprinkler nozzles 58 on the skid 24, of which only a few are identified by a reference numeral in FIG.
- water is applied to the support runners 28, 30, which store the largest part of the heat energy.
- water can also be applied to the above-mentioned supporting frame parts of the vehicle body 12 in order to cool them. In this case, it is advisable to use demineralized water to avoid residues on body parts.
- the water here has a temperature of about 10 ° C to
- the water temperature results from the plant conditions and adapts to the prevailing atmosphere, which is present outside of the dryer 10.
- the water temperature can also deviate from 25 ° C.
- the temperature of the cooling medium 54 is below the temperature of Skids 24.
- the sprinkler nozzles 58 are arranged in the cooling chamber 38 along the conveying path of the skid 24 and in the conveying direction 26 one behind the other, the skid to be cooled 24 with one of its support skids 28, 30 between two Sprinkler rows 60, 62 and 64, 66 from Sprinkler nozzles 58 is guided therethrough.
- the sprinkler nozzles 58 are arranged at a height such that water exiting from the sprinkler nozzles 58 strikes the skid 24.
- the sprinkler nozzles 58 of each row 60, 62, 64, 66 are fed via a line system 68, which is connected via a connection and control unit 70 to a water source not specifically shown here.
- the sprinkler nozzles 58 are configured to direct the water or other cooling medium 54 to the skid 24 in the form of a mist or spray.
- the vaporized water ie the resulting water vapor
- a suction device 72 which for this purpose comprises a plurality of suction funnels 74, which do not all bear a reference numeral in FIG.
- the suction funnels 74 are along the conveying path of the skid 24 and arranged in the conveying direction 26 one behind the other and flank the outer Spritzelungs 42n 60 and 66 on the outside thereof. With the suction funnels 74, air which is laden with water vapor or generally expressed with cooling medium 54, is sucked out of the cooling chamber 38.
- the suction inlet of the suction funnel 74 is located slightly above the level at which the support runners 28, 30 are guided through the cooling chamber 38.
- the water vapor is passed through the suction hopper 74 in a manifold 76 and fed from there to disposal.
- the vehicle body 12 is then conveyed on the skid 24 by means of the conveyor system 22 from the cooling chamber 38 to a drying zone 10 downstream processing zone 78.
- factory employees can now perform manual work on the vehicle body 12 at a moderate operating temperature.
- a processing zone 78 is located at a certain distance from the dryer 10, which may be up to 20 times the length of a vehicle body 12 when operating without an additional cooling by a cooling medium. By the sprinkler 56, this distance can be shortened considerably.
- the sprinkler nozzles 58 are arranged so that the non-bearing parts of the vehicle body 12 and, in particular, the more massive part are also exposed to cooling medium 54.
- demineralized water is again used to avoid residues on the vehicle body 12, which otherwise remain after the water has evaporated.
Landscapes
- Drying Of Solid Materials (AREA)
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL12743906T PL2744601T3 (pl) | 2011-08-18 | 2012-08-08 | Sposób i instalacja do obróbki przedmiotów |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011110986A DE102011110986B4 (de) | 2011-08-18 | 2011-08-18 | Verfahren und Anlage zur Behandlung von Gegenständen |
PCT/EP2012/003376 WO2013023757A1 (de) | 2011-08-18 | 2012-08-08 | Verfahren und anlage zur behandlung von gegenständen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2744601A1 true EP2744601A1 (de) | 2014-06-25 |
EP2744601B1 EP2744601B1 (de) | 2019-07-03 |
Family
ID=46639434
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12743906.5A Revoked EP2744601B1 (de) | 2011-08-18 | 2012-08-08 | Verfahren und anlage zur behandlung von gegenständen |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2744601B1 (de) |
DE (1) | DE102011110986B4 (de) |
ES (1) | ES2746903T3 (de) |
HU (1) | HUE045812T2 (de) |
PL (1) | PL2744601T3 (de) |
WO (1) | WO2013023757A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016112324A1 (de) * | 2016-07-05 | 2018-01-11 | Eisenmann Se | Transportsystem |
DE102018123269A1 (de) * | 2018-09-21 | 2020-03-26 | Eisenmann Se | Transportwagen zum Transportieren von Werkstücken, Behandlungsanlage und Verfahren zum Behandeln von Werkstücken |
DE102021001741A1 (de) | 2021-04-06 | 2022-10-06 | Ulrich Clauss | Kataphoretisches Tauchbeschichtungsverfahren für Bahnware |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3563203A (en) * | 1969-06-11 | 1971-02-16 | Purex Corp Ltd | Spray chamber apparatus having protected conveyor means |
JPS60197275A (ja) | 1984-03-19 | 1985-10-05 | Toyota Motor Corp | 水噴霧冷却方法 |
JP2500531Y2 (ja) | 1991-12-06 | 1996-06-05 | 日産車体株式会社 | 車体塗装用台車の冷却装置 |
US5427618A (en) * | 1993-08-12 | 1995-06-27 | Haddix; Dennis W. | Fascia buck spindle |
US5772233A (en) * | 1996-04-09 | 1998-06-30 | Decoma International Inc. | Expandable painting wagon |
DE19633741C2 (de) * | 1996-08-22 | 1998-06-04 | Sundwiger Eisen Maschinen | Vorrichtung zum Benetzen einer Seite einer laufenden Materialbahn |
-
2011
- 2011-08-18 DE DE102011110986A patent/DE102011110986B4/de not_active Expired - Fee Related
-
2012
- 2012-08-08 HU HUE12743906A patent/HUE045812T2/hu unknown
- 2012-08-08 WO PCT/EP2012/003376 patent/WO2013023757A1/de unknown
- 2012-08-08 PL PL12743906T patent/PL2744601T3/pl unknown
- 2012-08-08 EP EP12743906.5A patent/EP2744601B1/de not_active Revoked
- 2012-08-08 ES ES12743906T patent/ES2746903T3/es active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2013023757A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102011110986B4 (de) | 2013-03-14 |
DE102011110986A1 (de) | 2013-02-21 |
ES2746903T3 (es) | 2020-03-09 |
PL2744601T3 (pl) | 2019-12-31 |
EP2744601B1 (de) | 2019-07-03 |
HUE045812T2 (hu) | 2020-01-28 |
WO2013023757A1 (de) | 2013-02-21 |
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