EP0270557A1 - Dispositif de raccordement thermique des extremites de bandes de convoyeurs - Google Patents

Dispositif de raccordement thermique des extremites de bandes de convoyeurs

Info

Publication number
EP0270557A1
EP0270557A1 EP87902417A EP87902417A EP0270557A1 EP 0270557 A1 EP0270557 A1 EP 0270557A1 EP 87902417 A EP87902417 A EP 87902417A EP 87902417 A EP87902417 A EP 87902417A EP 0270557 A1 EP0270557 A1 EP 0270557A1
Authority
EP
European Patent Office
Prior art keywords
channels
heating
aluminum
cooling
sheet
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.)
Withdrawn
Application number
EP87902417A
Other languages
German (de)
English (en)
Inventor
Manfred Krüger
Franz-Erich Schulte Strathaus
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schulte Strathaus GmbH and Co KG
Original Assignee
F E SCHULTE STRATHAUS KG
Schulte Strathaus GmbH and Co KG
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 F E SCHULTE STRATHAUS KG, Schulte Strathaus GmbH and Co KG filed Critical F E SCHULTE STRATHAUS KG
Publication of EP0270557A1 publication Critical patent/EP0270557A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/06—Platens or press rams
    • B30B15/062—Press plates
    • B30B15/064—Press plates with heating or cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81431—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single cavity, e.g. a groove
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8181—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects
    • B29C66/81811—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the cooling constructional aspects of the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/818—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps
    • B29C66/8182—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects
    • B29C66/81821—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the cooling constructional aspects, or by the thermal or electrical insulating or conducting constructional aspects of the welding jaws or of the clamps ; comprising means for compensating for the thermal expansion of the welding jaws or of the clamps characterised by the thermal insulating constructional aspects of the welding jaws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
    • B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/709—Articles shaped in a closed loop, e.g. conveyor belts
    • B29L2031/7092—Conveyor belts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/09—Reaction techniques
    • Y10S423/13—Catalyst contact

Definitions

  • the invention is directed to a device for thermally connecting at least two parts, in particular conveyor belt ends, with press plates, in the interior of which heating and cooling elements are provided.
  • Conveyor systems with conveyor belts are often changed in their position both above and below ground, e.g. B. if a region to be mined in the mining zone progresses slowly and the funding must follow these progressive movements.
  • the belts are cut, the system converted and the
  • Cooling channels are arranged in the plate interior profiled "Aluminum rods. '
  • both heating and cooling channels can form in the profile, leads to an optimal panel structure.
  • the production in profile form is very simple and therefore economical. Extruded profiles can be used, which can be manufactured endlessly and can provide the heating and cooling channels in the profile shape for those who assemble the panels.
  • Aluminum is a good heat conductor. It is a light metal, which means that the entire plate structure loses weight and the plate is easier to handle. Aluminum is also easy to process and Like. more.
  • the device used for vulcanization must at least meet the criteria as already described in DE-AS 27 27 300, which forms the class. On the one hand, it must achieve an optimal heating output, on the other hand it must also be able to be cooled advantageously. This he fills the device according to the invention in a particularly optimal way through its basic structure.
  • the invention also provides that at least a part 0 of the channels formed by the profiling are connected to one another in the end region by means of curved channels. So there is an abundance. of laying patterns, e.g. for the heating wires. These can be laid in a serpentine fashion
  • 20 grooves can be designed in an arc shape, for example by milling or the like.
  • the invention provides in a further embodiment that the channels formed by the profiles are at least partially equipped with resistance heating elements, which are arranged in these 25 channels in a stationary manner but possibly longitudinally are. It has proven to be useful if the channels are substantially semicircular in cross-section formed au, the resistance heating elements are inserted into the bottom of the channel thus formed and the upwardly facing open channel then closed with a further profile bar without the inclusion of air, z . B. is squeezed. The resistance heater is thus completely stationary. Depending on the area of application, longitudinal mobility can also be provided for the heating wire within this hollow channel.
  • the invention provides that at least one longitudinal channel for receiving a heating element and a further longitudinal channel spatially separated therefrom to form a cooling channel are provided in a rod-shaped aluminum profile.
  • a rod-shaped aluminum profile can also be incorporated in an aluminum profile.
  • the Profil ⁇ shape, in particular the longitudinal edge, such light metal profiles can be chosen so that a complete channel is formed by side-by-side installation, for example when the longitudinal edges are provided with a quarter-circular chamfer, so that when a ne e.g. B. forms as a cooling channel.
  • the invention is not limited to approximately arcuate channel or groove cross sections.
  • the receiving channels for the heating elements are smaller in cross section than the cooling channels in order to be able to transport larger amounts of cooling media in the latter.
  • the invention also provides that the aluminum profiles are arranged in a steel housing.
  • a steel housing is expediently completely closed in the position of use, apart from the incoming and outgoing power and cooling air supply lines. In this way, for example, no aluminum components come out, which is particularly expedient under the current conditions when used underground.
  • the wall structure of such a device can be made so that the sheathing is formed from Cr-Ni sheet on which the aluminum bars rest snugly.
  • the invention provides that the wall structure facing the heating side has the following stratification from the outside in: Cr-Ni sheet, thermal insulation Layer, copper sheet, thermal insulation and aluminum profile bars.
  • This water wall structure has proven itself in tests, without the invention being limited to this.
  • a layer of a further light metal sheet as corrugated or zigzag sheet is placed with the interposition of further layers on the Al profile bars with the heating and cooling channels, the sheet metal profile transverse to The course of the heating and cooling channels is aligned.
  • FIG. 1 shows the spatial representation of a device according to the invention in an embodiment variant
  • FIG. 2 shows a partial cross section through two light metal profiles placed next to one another with heating conductors
  • FIG. 3 shows a top view of the lower level of a heating plate, partly broken away,
  • FIG. 4 shows a top view of the upper level of a heating plate, partly broken away,
  • Fig. 6 is a section along line VI-VI in Fig. 4, and in
  • the device generally designated 1, shown in perspective in FIG. 1, consists of several ren layers in essentially two levels, which are designated in Fig. 1 with "0" for the upper level and "U” for the lower level.
  • a vulcanization system generally includes at least one lower and one upper heating plate, which are arranged so that they can be clamped together using clamping means.
  • the expression “above” and “below” here refers to the positioning according to FIG. 1. In practice, the plate lying below the belt ends would be arranged in a mirror image.
  • Fig. 1 The plate structure shown in Fig. 1 is fo foende:
  • a heat insulation plate 3 On a lower housing plate 2 made of chromium-nickel steel, a heat insulation plate 3 is placed, which in turn carries a copper plate 4, which in turn is covered by a heat insulation plate.
  • Al profile bars 6 are placed on this second thermal insulation layer and, on their upper outer surface, based on the illustration according to FIG. 1, are equipped with channels, specifically with approximately cross-sectionally semicircular small channels 7 for receiving resistance heating elements 8 and also approximately semi-circular profile channels larger than cooling channels 9.
  • the light metal profiles 6 have quarter-circular chamfers 10 which, as can be seen in FIG. 1 results in complementing them with their neighboring profile quarter circles to form semicircles 9a.
  • This lower panel area, designated "U" is closed off by an aluminum sheet 11, on which a heat insulation panel 12 is arranged in the example shown.
  • This thermal insulation board 12 carries a zigzag aluminum sheet 13 or correspondingly designed profiles which are arranged transversely to the course of the channels 7 and 9 in their alignment of the zigzag waves.
  • This light metal zigzag or corrugated sheet 13 ' is sealed off at the top by a further thermal insulation board 14, an outer Cr-Ni steel sheet 15 finally following to the outside as an outer covering.
  • Fig. 2 the basic structure of a preferred cross-sectional shape of the light metal profile rod 6 is shown again enlarged.
  • the encased wide free-standing heating conductors 8 are inserted in the profile channels or profile channels 7 of smaller cross-section.
  • the channel 7 is covered from above by an Al flat bar 16 which is squeezed there and thus holds the heating element 8 in a clamped manner.
  • FIG. 3 the plan view of parts of a heating plate 1 is shown, namely on the lower plate part labeled "ü".
  • a series of light metal profiles 6 can be seen arranged side by side there, in their head are richly provided with head pieces 17 into which deflection arches 18 for the heating wires 8 are milled.
  • the heating wire course is shown there in dash-dotted lines.
  • the two profiled bars 6a on the outer edge are profiled somewhat differently than the profiled bars 6 arranged in the middle; here in particular the quarter circle bevels on the outer edge are missing.
  • FIG. 3 additionally shows the arrangement of the holding, bracing and carrying handles 19 of the cooling air connections 20, which, as shown in FIG. 7, via transverse profile bars
  • the described exemplary embodiments can be changed in many ways without departing from the basic idea.
  • the invention is not restricted to the type and arrangement of the longitudinal channels in the light metal profile rods 6.
  • Other arrangements and cross-sectional shapes can also be provided here.
  • the invention is also not limited to the type of winding of the heating elements according to FIG. 3.
  • Other patterns can also be provided here, in particular differently controllable heating circuits, e.g. B. seen in the plate structure from the inside to the outside, can be provided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Surface Heating Bodies (AREA)

Abstract

Un dispositif de raccordement thermique de deux parties, en particulier des extrémités de bandes de convoyeurs, comprend des plateaux de serrage pourvus à leur intérieur de corps chauffants et refroidissants. Pour former ces canaux de chauffage (7) et de refroidissement (9), des barres en aluminium profilées (6) sont agencées à l'intérieur des plateaux.
EP87902417A 1986-05-10 1987-05-02 Dispositif de raccordement thermique des extremites de bandes de convoyeurs Withdrawn EP0270557A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3615879 1986-05-10
DE19863615879 DE3615879A1 (de) 1986-05-10 1986-05-10 Vorrichtung zum thermischen verbinden von foerdergurtenden

Publications (1)

Publication Number Publication Date
EP0270557A1 true EP0270557A1 (fr) 1988-06-15

Family

ID=6300616

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87902417A Withdrawn EP0270557A1 (fr) 1986-05-10 1987-05-02 Dispositif de raccordement thermique des extremites de bandes de convoyeurs

Country Status (7)

Country Link
US (1) US4964943A (fr)
EP (1) EP0270557A1 (fr)
DD (1) DD256285A5 (fr)
DE (1) DE3615879A1 (fr)
HU (1) HUT46265A (fr)
RO (1) RO100065B1 (fr)
WO (1) WO1987006876A1 (fr)

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* Cited by examiner, † Cited by third party
Title
See references of WO8706876A1 *

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Publication number Publication date
US4964943A (en) 1990-10-23
WO1987006876A1 (fr) 1987-11-19
DE3615879A1 (de) 1987-11-12
HUT46265A (en) 1988-10-28
RO100065B1 (en) 1992-09-07
DD256285A5 (de) 1988-05-04

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