WO1998032583A1 - Vorrichtung zum herstellen von querrippen-rohren - Google Patents
Vorrichtung zum herstellen von querrippen-rohren Download PDFInfo
- Publication number
- WO1998032583A1 WO1998032583A1 PCT/DE1998/000128 DE9800128W WO9832583A1 WO 1998032583 A1 WO1998032583 A1 WO 1998032583A1 DE 9800128 W DE9800128 W DE 9800128W WO 9832583 A1 WO9832583 A1 WO 9832583A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mold jaw
- cooling medium
- channels
- vacuum
- molding
- Prior art date
Links
- 239000002826 coolant Substances 0.000 claims abstract description 45
- 238000000465 moulding Methods 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 25
- 238000005266 casting Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 claims description 2
- 230000000875 corresponding effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910000906 Bronze Inorganic materials 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000010974 bronze Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
Classifications
-
- 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
- B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
-
- 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
- B29C33/34—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station
- B29C33/36—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station continuously movable in one direction, e.g. in a closed circuit
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/0015—Making articles of indefinite length, e.g. corrugated tubes
- B29C49/0021—Making articles of indefinite length, e.g. corrugated tubes using moulds or mould parts movable in a closed path, e.g. mounted on movable endless supports
-
- 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
- B29C2791/00—Shaping characteristics in general
- B29C2791/004—Shaping under special conditions
- B29C2791/006—Using vacuum
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/02—Combined blow-moulding and manufacture of the preform or the parison
- B29C49/04—Extrusion blow-moulding
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/48—Moulds
- B29C49/4823—Moulds with incorporated heating or cooling means
-
- 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
- B29L2023/00—Tubular articles
- B29L2023/18—Pleated or corrugated hoses
Definitions
- the invention relates to a device for producing transverse finned tubes which has mold jaw halves which abut one another along a common molding path with end faces and form a mold channel, each mold jaw half having a cooling channel.
- Such a device is known for example from DE 25 37 184 AI.
- the cooling channels in the individual mold jaws are realized by bores which are connected at one end to connections for a cooling medium and the other ends are sealed.
- the realization of the cooling channels in the mold jaw halves requires exact work and time, which has a corresponding effect on the manufacturing costs of the mold jaw halves.
- the invention has for its object to provide a device of the type mentioned, the
- Mold jaw halves with the cooling channels are comparatively easy to manufacture.
- the cooling channel of the respective mold jaw half produced in a casting process has a cooling medium inlet on a first surface and a cooling medium outlet at a distance therefrom and is produced directly in the casting process up to one of the extends first surface different second surface of the corresponding mold jaw half, a guide and sliding element being fixed on the respective second surface, by means of which the cooling channel is sealed on the second surface.
- the cooling channel is formed in the respective mold jaw half, for example with the help of a so-called false core in the casting mold, for casting the respective casting mold half.
- this false core can be easily removed from the finished cast mold half after the cooling channel extends between the first and the second surface and is therefore accessible from two sides.
- the mold jaw halves are comparatively simple with a cooling channel for one
- Cooling medium such as cooling water can be realized.
- the guide and sliding elements fixed to the second surface of the mold jaw halves not only provide a reliable seal of the respective cooling channel on the second surface of the corresponding mold jaw half, but at the same time also serve for the exact guidance of the mold jaw halves.
- first and the second surface of the respective mold jaw half lie opposite one another and are provided parallel to one another and are oriented perpendicular to the end face of the respective mold jaw half.
- the mold jaws are preferably provided such that the end faces of the mold jaw halves are perpendicular and the first and second surfaces of the mold jaw halves are oriented horizontally.
- each mold jaw half and the associated carrier element can be connected to one another by means of a quick-action clamping device.
- each mold jaw half is formed between the mold channel and the second surface of its end face with vacuum connecting channels which are connected in terms of flow in the respective mold jaw half and which are elongated through the associated guide and sliding element and along form the common molding section in the guide and slide elements vacuum connection channels.
- Vacuum connecting channels of this type can be implemented in a time-saving manner, for example, by means of a multiple milling tool.
- Vacuum connection channels in the guide and sliding elements with the vacuum channels of the respective mold jaw halves located on the molding section is connected in terms of flow technology.
- the vacuum strip lies sealingly against the guide and sliding elements of the respective mold jaw halves provided on the common mold path along the common molding path of the mold jaw halves.
- This sealing system can be further improved in that the vacuum bar is attached to a stationary vacuum head in an elastically flexible manner. This means that height tolerances caused by production and / or thermal expansion can also be compensated for.
- a guide and cooling medium strip is arranged along the molding section, which is provided for guiding the support elements associated with the respective mold jaw halves and for the fluidic connection of the respective ones located on the molding section Mold jaw halves is formed with cooling medium inlet channels and with cooling medium outlet channels.
- the cooling medium strip can have a central elongated cooling medium circulation section and oil-lubricated guide sections adjoining it laterally, the elongated cooling medium circulation section being designed with the cooling medium inlet channels and with the cooling medium outlet channels.
- the central cooling medium circulation section is preferably made of a sliding metal alloy, e.g. made of bronze.
- the oil-lubricated elongated guide sections are e.g. made of stainless steel.
- the guide and slide elements as well as the support elements are made of stainless steel, for example.
- the mold jaw halves are e.g. made of aluminum, i.e. made of a material with a relatively large heat conduction coefficient, so that the cooling medium flowing through the cooling channels of the mold jaw halves located on the common mold section, such as cooling water, is optimally effective at the mold channel.
- 1 is a partially cut-away front view of an embodiment of the device in the region of its molding section, 2 cut a cast blank of a mold jaw half,
- FIG. 3 shows a plan view of two mold jaw halves which are located on the common molding path of the device
- Fig. 5 is a view of the cast blank
- Fig. 6 is a view of the cast blank
- Fig. 7 is an end view of a mold jaw half according to
- Vacuum connection channels and the corrugated or ribbed molded channel are Vacuum connection channels and the corrugated or ribbed molded channel.
- FIG. 1 shows, in a front view, partially in sections, a device 10 for producing transverse finned tubes with mold jaw halves 12, which abut one another along the common mold path illustrated in FIG. 1 with end faces 14 and 16 and form a mold channel 18 therebetween.
- each mold jaw half 12 has a cooling channel 20.
- the cooling channels 20 in the mold jaw halves 12 are preferably formed by so-called false casting cores, which are provided in the corresponding mold for producing the mold jaw halves 12 in a manner known per se.
- Mold jaw half 12 extends from a first surface 22 of the respective mold jaw half 12 to a second surface 24 of the respective mold jaw half 12 different from the first surface 22.
- the cooling channel 20 of the respective mold jaw half 12 is on the first surface 22 with a cooling medium inlet 26 and with a cooling medium outlet 30 spaced therefrom by a rib 28.
- the respective rib 28 extends only up to the vicinity of the second surface 24 of the respective mold jaw half 12, so that in the vicinity of the second surface 24 there is a connecting portion 32 which the two Connects cooling duct sections to one another, one of which is assigned to the cooling medium inlet 26 and the other to the cooling medium outlet 30.
- the connecting section 32 of the cooling channel 20 is sealed off by means of a guide and sliding element 34, which is fixed to the second surface 24 of the respective mold jaw half 12.
- This fixation takes place, for example, by screws, the center line of which is indicated in FIG. 1 by the thin dash-dotted lines 36. These screws are screwed into screw holes 38, as shown in FIG. 2 and in FIG. 5.
- Mold jaw halves 12 are guided laterally without play on the top on linear guide members 40 by means of the associated guide and sliding elements 34.
- Each mold jaw half 12 is releasably firmly connected on the underside with the aid of a quick-action clamping device 42 to an associated carrier element 44.
- the carrier elements 44 are guided in a linearly movable manner along the common molding path of the device 10 on a guide and cooling medium strip 46 which has an elongated central cooling medium circulating section 48 and two laterally adjoining elongated oil-lubricated guide sections 50.
- the central cooling medium circulation section preferably consists of a sliding metal alloy such as bronze, it is provided with cooling medium inlet channels 52 and with cooling medium outlet channels 54.
- Connection channels 56 and 58 extend through the carrier elements 44 and fluidly connect the cooling medium inlet channels 52 with the associated cooling medium inlet 26 or the cooling medium outlet 30 of the respective mold jaw half 12 located in the common molding section of the device 10.
- Each of the two lateral oil-lubricated guide sections 50 has a horizontal bar 60 and an adjoining vertical bar 62.
- the horizontal and vertical strips 60 and 62 like the support elements 44 and the guide and slide elements 34, are expediently made of stainless steel. The cast and formed with the cooling channels 20 during casting
- Mold jaw halves are expediently made of aluminum.
- separating strips 64 are provided.
- each mold jaw half 12 is formed with vacuum channels 66 which open into the mold channel 18.
- the end faces 14 of the mold jaw halves 12 are formed with vacuum connecting grooves 68, which are fluidically connected to the vacuum channels 66, and which extend through the associated guide and sliding element, as can be seen from FIG. 1 and from FIG. 4.
- a vacuum strip 70 (see FIG. 1) along the common molding path, which is elastically yieldingly attached to a stationary vacuum head 72 with the aid of a plastic element 74.
- a sealing device 76 is provided between each mold jaw half 12 and the carrier element 44 detachably fastened to its underside or first surface 22 with the aid of the quick-action clamping device 42, by means of which it is ensured that even after a set of mold jaw halves 12 has been replaced by another set of mold jaw halves 12 for the production of other transverse finned tubes between the mold jaw halves 12 and the carrier elements 44 a reliable cooling medium seal is ensured.
- Fig. 3 shows two mold jaw halves 12 on the common molding section, the on the end faces 14 of the Mold jaw halves 12 provided vacuum connection grooves 68 each form vacuum connection channels 78.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98907819A EP0954430A1 (de) | 1997-01-25 | 1998-01-14 | Vorrichtung zum herstellen von querrippen-rohren |
CA002278599A CA2278599C (en) | 1997-01-25 | 1998-01-14 | Device for producing cross-finned pipes |
JP10531479A JP2000512925A (ja) | 1997-01-25 | 1998-01-14 | 交差リブ付きパイプの製造装置 |
US09/341,061 US6309205B1 (en) | 1997-01-25 | 1998-01-14 | Device for producing cross-finned pipes |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19702647A DE19702647C1 (de) | 1997-01-25 | 1997-01-25 | Vorrichtung zum Herstellen von Querrippen-Rohren |
DE19702647.8 | 1997-01-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998032583A1 true WO1998032583A1 (de) | 1998-07-30 |
Family
ID=7818332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE1998/000128 WO1998032583A1 (de) | 1997-01-25 | 1998-01-14 | Vorrichtung zum herstellen von querrippen-rohren |
Country Status (9)
Country | Link |
---|---|
US (1) | US6309205B1 (de) |
EP (1) | EP0954430A1 (de) |
JP (1) | JP2000512925A (de) |
KR (1) | KR20000070424A (de) |
CN (1) | CN1064887C (de) |
CA (1) | CA2278599C (de) |
DE (1) | DE19702647C1 (de) |
TW (1) | TW415884B (de) |
WO (1) | WO1998032583A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6089851A (en) | 1998-03-26 | 2000-07-18 | Lupke; Manfred A. A. | Mold block with air flow control |
DE19922726A1 (de) * | 1999-05-18 | 2000-11-23 | Ralph Peter Hegler | Vorrichtung zur Herstellung von Kunststoff-Wellrohren |
DE20219027U1 (de) * | 2002-12-09 | 2003-02-27 | Unicor GmbH Rahn Plastmaschinen, 97437 Haßfurt | Vorrichtung zur Herstellung von Querrippenrohren |
DE10257363C1 (de) | 2002-12-09 | 2003-10-23 | Unicor Rohrsysteme Gmbh | Formbackenhälfte für eine Vorrichtung zur Erstellung von Querrippenrohren |
DE10257364B3 (de) * | 2002-12-09 | 2004-06-03 | Unicor Gmbh Rahn Plastmaschinen | Vorrichtung zur Herstellung von Querrippenrohren |
DE102004040019B4 (de) * | 2004-08-18 | 2011-06-22 | Drossbach GmbH & Co. KG, 86641 | Vorrichtung zur Herstellung von Wellrohren |
FR2905629B1 (fr) * | 2006-09-07 | 2008-11-07 | Corelco Sarl | Bloc de guidage a refroidissement integre pour une installation de fabrication d'un tube moule en matiere plastique |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2065048A1 (en) * | 1970-12-11 | 1972-06-22 | Hegler Wilhelm | Transverse profiled moulded tubes - formed continuously |
US4718844A (en) * | 1987-02-27 | 1988-01-12 | Cullim Machine Tool & Die, Inc. | Corrugated mold block |
EP0435446A2 (de) * | 1989-12-26 | 1991-07-03 | CULLOM MACHINE TOOL & DIE, INC. | Gewellter Formblock |
EP0621120A2 (de) * | 1993-04-15 | 1994-10-26 | CULLOM MACHINE TOOL & DIE, INC. | Wellvorrichtung für Kunststoffrohre und Formblöcke |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2061027C3 (de) * | 1970-12-11 | 1982-03-04 | Wilhelm 8730 Bad Kissingen Hegler | Vorrichtung zum Anbringen einer Querprofilierung an einem Rohr aus thermoplastischem Kunststoff |
DE2537184C2 (de) * | 1975-08-21 | 1984-06-07 | Ziegelwerke Heinrich Oltmanns, 2905 Edewecht | Anlage zur kontinuierlichen Herstellung von Kunststoffrohren |
DE3120480A1 (de) * | 1981-05-22 | 1982-12-09 | Hegler, Wilhelm, 8730 Bad Kissingen | Vorrichtung zur herstellung von kunststoffrohren mit querrillen |
DE4021564A1 (de) * | 1990-07-06 | 1992-01-09 | Wilhelm Hegler | Vorrichtung zur herstellung von kunststoff-rohren |
US5573787A (en) * | 1995-09-28 | 1996-11-12 | Lupke; Manfred A. A. | Mold apparatus with cooling channels |
DE19702637C1 (de) * | 1997-01-25 | 1998-08-13 | Unicor Rohrsysteme Gmbh | Vorrichtung zum Herstellen von Querrippen-Rohren |
-
1997
- 1997-01-25 DE DE19702647A patent/DE19702647C1/de not_active Expired - Lifetime
-
1998
- 1998-01-14 EP EP98907819A patent/EP0954430A1/de not_active Withdrawn
- 1998-01-14 CA CA002278599A patent/CA2278599C/en not_active Expired - Fee Related
- 1998-01-14 JP JP10531479A patent/JP2000512925A/ja active Pending
- 1998-01-14 KR KR1019997006659A patent/KR20000070424A/ko not_active Application Discontinuation
- 1998-01-14 WO PCT/DE1998/000128 patent/WO1998032583A1/de not_active Application Discontinuation
- 1998-01-14 CN CN988020327A patent/CN1064887C/zh not_active Expired - Fee Related
- 1998-01-14 US US09/341,061 patent/US6309205B1/en not_active Expired - Lifetime
- 1998-01-16 TW TW087100536A patent/TW415884B/zh active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2065048A1 (en) * | 1970-12-11 | 1972-06-22 | Hegler Wilhelm | Transverse profiled moulded tubes - formed continuously |
US4718844A (en) * | 1987-02-27 | 1988-01-12 | Cullim Machine Tool & Die, Inc. | Corrugated mold block |
EP0435446A2 (de) * | 1989-12-26 | 1991-07-03 | CULLOM MACHINE TOOL & DIE, INC. | Gewellter Formblock |
EP0621120A2 (de) * | 1993-04-15 | 1994-10-26 | CULLOM MACHINE TOOL & DIE, INC. | Wellvorrichtung für Kunststoffrohre und Formblöcke |
Also Published As
Publication number | Publication date |
---|---|
CN1064887C (zh) | 2001-04-25 |
DE19702647C1 (de) | 1998-02-26 |
JP2000512925A (ja) | 2000-10-03 |
CA2278599C (en) | 2006-01-03 |
TW415884B (en) | 2000-12-21 |
CN1244152A (zh) | 2000-02-09 |
CA2278599A1 (en) | 1998-07-30 |
KR20000070424A (ko) | 2000-11-25 |
US6309205B1 (en) | 2001-10-30 |
EP0954430A1 (de) | 1999-11-10 |
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