DE102011053207A1 - Method for cleaning of molded or shaped segments of tire vulcanizing mold, involves testing venting units by ultrasonic-device on function from mold interior, where detected venting units are separated - Google Patents
Method for cleaning of molded or shaped segments of tire vulcanizing mold, involves testing venting units by ultrasonic-device on function from mold interior, where detected venting units are separated Download PDFInfo
- Publication number
- DE102011053207A1 DE102011053207A1 DE201110053207 DE102011053207A DE102011053207A1 DE 102011053207 A1 DE102011053207 A1 DE 102011053207A1 DE 201110053207 DE201110053207 DE 201110053207 DE 102011053207 A DE102011053207 A DE 102011053207A DE 102011053207 A1 DE102011053207 A1 DE 102011053207A1
- Authority
- DE
- Germany
- Prior art keywords
- mold
- cleaning
- cleaning solution
- units
- ultrasonic
- 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.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 42
- 238000013022 venting Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000012141 concentrate Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 238000009423 ventilation Methods 0.000 claims description 34
- 238000000465 moulding Methods 0.000 claims description 15
- 238000004073 vulcanization Methods 0.000 claims description 11
- 230000002950 deficient Effects 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 4
- 238000000746 purification Methods 0.000 claims description 3
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 238000009210 therapy by ultrasound Methods 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims 1
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- BUHVIAUBTBOHAG-FOYDDCNASA-N (2r,3r,4s,5r)-2-[6-[[2-(3,5-dimethoxyphenyl)-2-(2-methylphenyl)ethyl]amino]purin-9-yl]-5-(hydroxymethyl)oxolane-3,4-diol Chemical compound COC1=CC(OC)=CC(C(CNC=2C=3N=CN(C=3N=CN=2)[C@H]2[C@@H]([C@H](O)[C@@H](CO)O2)O)C=2C(=CC=CC=2)C)=C1 BUHVIAUBTBOHAG-FOYDDCNASA-N 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004636 vulcanized rubber Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- 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
- B29C33/70—Maintenance
- B29C33/72—Cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0606—Vulcanising moulds not integral with vulcanising presses
-
- 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
- B29C33/10—Moulds or cores; Details thereof or accessories therefor with incorporated venting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0606—Vulcanising moulds not integral with vulcanising presses
- B29D2030/0607—Constructional features of the moulds
- B29D2030/0617—Venting devices, e.g. vent plugs or inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/0601—Vulcanising tyres; Vulcanising presses for tyres
- B29D30/0662—Accessories, details or auxiliary operations
- B29D2030/0663—Mould maintenance, e.g. cleaning, washing, repairing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Die Erfindung betrifft ein Verfahren zur Reinigung von Formteilen bzw. Formsegmenten einer Reifenvulkanisationsform, wobei die Formteile bzw. Formsegmente Entlüftungsbohrungen mit eingesetzten Entlüftungseinheiten aufweisen. The invention relates to a method for cleaning moldings or mold segments of a tire vulcanization mold, wherein the moldings or mold segments have vent holes with vent units used.
In einer Heizform für Fahrzeugluftreifen für Personenkraftwagen befinden sich im Durchschnitt etwa 4.500 Entlüftungsbohrungen mit gleich vielen in diese eingesetzten Entlüftungseinheiten. Im Laufe des Betriebes der Reifenheizform verschmutzt das Gummimaterial die Forminnenseite und die Entlüftungseinheiten. Durch Verschmutzung nicht mehr funktionierende Entlüftungseinheiten müssen ausgetauscht werden. Dies erfordert eine regelmäßige Überprüfung der Entlüftungseinheiten und den Austausch sämtlicher Entlüftungseinheiten, die infolge Verschmutzung nicht mehr schließen und öffnen. Der Austausch der Entlüftungseinheiten ist mit hohen Kosten und einem hohen Arbeitsaufwand durch die erforderliche Arbeitszeit verbunden. Darüber hinaus kommt es zu Stillstandzeiten in der Reifenproduktion. In a heating mold for pneumatic vehicle passenger car tires, there are on average about 4,500 ventilation holes with the same number of ventilation units used in these. During operation of the Reifenheizform the rubber material soiled the mold inside and the ventilation units. Dirty ventilation units that no longer function must be replaced. This requires regular inspection of the ventilation units and the replacement of all ventilation units, which no longer close and open due to contamination. The replacement of the ventilation units is associated with high costs and a high workload by the required working time. In addition, downtime in tire production occurs.
Entlüftungseinheiten unterschiedlicher Ausführungsformen sind beispielsweise aus der
Es besteht somit der Wunsch, auf einen Austausch von lediglich verschmutzten Entlüftungseinheiten verzichten zu können, um derart den Kosten- und Zeitaufwand sowie die Stillstandszeiten in der Produktion zu reduzieren. There is thus the desire to be able to dispense with an exchange of only polluted ventilation units, so as to reduce the cost and time and downtime in production.
Gelöst wird die gestellte Aufgabe erfindungsgemäß dadurch, dass die Entlüftungseinheiten von der Forminnenseite her mittels eines Ultrasonic-Gerätes auf ihre Funktion geprüft werden, defekte Entlüftungseinheiten entfernt werden, anschließend die Formsegmente bzw. Formteile in einer Reinigungslösung auf der Basis von Wasser eingeweicht und in dieser Lösung mit Ultraschall gereinigt werden. The object is achieved according to the invention in that the ventilation units are tested from the mold inside by means of an ultrasonic device on their function, defective ventilation units are removed, then the mold segments or moldings soaked in a cleaning solution based on water and in this solution be cleaned with ultrasound.
Das erfindungsgemäße Verfahren ermöglicht es daher, die Formsegmente bzw. Formteile mitsamt den eingesetzten Entlüftungseinheiten zu reinigen. Es werden nur noch jene Entlüftungseinheiten entfernt, die defekt sind. Durch den Entfall des Austausches aller Entlüftungseinheiten reduzieren sich die Kosten deutlich. Der Zeitaufwand für den Reinigungsvorgang ist wesentlich geringer als jener für den kompletten Austausch der Entlüftungseinheiten. Somit steht die Reifenform für die Vulkanisation von Fahrzeugluftreifen wesentlich schneller wieder zur Verfügung. The method according to the invention therefore makes it possible to clean the mold segments or molded parts together with the ventilation units used. Only those ventilation units that are defective are removed. By eliminating the replacement of all ventilation units, the costs are significantly reduced. The time required for the cleaning process is much lower than that for the complete replacement of the ventilation units. Thus, the tire mold is available much faster for the vulcanization of pneumatic vehicle tires.
Zur Funktionsüberprüfung wird jede Entlüftungseinheit mit dem Ultrasonic-Gerät kurz angetippt und zum Öffnen angeregt, falls diese Entlüftungseinheit nicht bereits offen ist. Auf diese Weise lässt sich leicht feststellen, ob die geprüfte Entlüftungseinheit funktioniert bzw. defekt ist oder nicht. For functional testing, each venting unit is briefly tapped with the ultrasonic device and stimulated to open, if this venting unit is not already open. In this way, it can be easily determined whether the tested ventilation unit works or is defective or not.
Gemäß der Erfindung wird eine Reinigungslösung verwendet, welche ein alkalisches Reinigungskonzentrat, welches zur Reinigung von Metallen vorgesehen und geeignet ist, enthält. Der Anteil an Reinigungskonzentrat in der Reinigungslösung beträgt insbesondere 5 Vol.-% bis 10 Vol.-%, wobei sich als Reinigungskonzentrat insbesondere das Produkt Hakupur 50-706-2 als besonders geeignet herausgestellt hat. According to the invention, a cleaning solution is used which contains an alkaline cleaning concentrate which is intended and suitable for the purification of metals. The proportion of cleaning concentrate in the cleaning solution is in particular 5% by volume to 10% by volume, with the product Hakupur 50-706-2 in particular being found to be particularly suitable as a cleaning concentrate.
Darüber hinaus enthält die Reinigungslösung gemäß der Erfindung einen Gummilöser, insbesondere in einem Anteil von 3 Vol.-% bis 6 Vol.-%, wobei das Produkt Turco Strip Additive besonders gut geeignet ist. In addition, the cleaning solution according to the invention contains a gum dissolver, in particular in a proportion of 3% by volume to 6% by volume, the product Turco Strip Additives being particularly well suited.
Die Formsegmente bzw. Formteile werden in der Reinigungslösung bis zu 60 Minuten eingeweicht, wobei anschließend die Ultraschallbehandlung auf eine Dauer von bis zu 60 Minuten durchgeführt wird. Diese Reinigungsbehandlung beansprucht insgesamt nur einen Bruchteil jener Zeit, die üblicherweise für den Austausch der Entlüftungseinheiten, wie es bislang üblich war, notwendig war. The mold segments or moldings are soaked in the cleaning solution for up to 60 minutes, after which the ultrasonic treatment is carried out for a period of up to 60 minutes. Overall, this cleaning treatment only takes up a fraction of the time that was usually necessary for the replacement of the venting units, as has hitherto been customary.
Weitere Merkmale, Vorteile und Einzelheiten der Erfindung werden nun anhand der Zeichnung, die schematisch ein Ausführungsbeispiel darstellt, näher beschrieben. Dabei zeigen Further features, advantages and details of the invention will now be described with reference to the drawing, which schematically illustrates an embodiment. Show
Es ist üblich, die Vulkanisationsformen von Fahrzeugluftreifen mit einer Vielzahl von Entlüftungsbohrungen zu versehen, um ein Abführen der beim Einformen des Reifenrohlings zwischen diesem und der Reifenform vorhandenen Luft nach außen zu gewährleisten. Um ein Einfließen von Kautschukmischung in die Entlüftungsbohrungen und damit das Entstehen von vulkanisierten borstenähnlichen Austrieben am Reifen zu verhindern, ist es bekannt, in die Entlüftungsbohrungen Entlüftungseinheiten einzusetzen, die die erforderliche Entlüftung beim Einformen des Reifenrohlings sicherstellen, bei eingeformtem Rohling die Bohrungen jedoch verschließen. Vulkanisationsformen mit Entlüftungseinheiten in den Entlüftungsbohrungen gestatten die Herstellung von praktisch austriebsfreien Fahrzeugluftreifen. It is common to provide the vulcanization molds of pneumatic vehicle tires with a plurality of vent holes to ensure discharge of the air present in the molding of the green tire between this and the tire mold to the outside. In order to prevent the influx of rubber mixture into the vent holes and thus the emergence of vulcanized bristle-like protrusions on the tire, it is known to use ventilation units in the vent holes, the required ventilation in the Make sure that the green tire is molded in, but close the holes when the blank is formed. Vulcanization molds with venting units in the vent holes allow the production of virtually exhaust-free pneumatic vehicle tires.
Eine Vulkanisationsform für PKW-Reifen enthält durchschnittlich etwa 4.500 Entlüftungseinheiten, die sich großteils in jenen Formsegmenten, die den Laufstreifen des Fahrzeugluftreifens abformen, befinden, wobei auch in den die Seitenwände formenden Seitenteilen der Vulkanisationsform Entlüftungsbohrungen mit eingesetzten Entlüftungseinheiten vorgesehen sind.
Die in
Die Innenseiten der Formsegmente
Gemäß der Erfindung werden die Formsegmente
Zur Reinigung wird die Vulkanisationsform auseinandergenommen und bei jedem Formsegment
Anschließend werden die Formteile bzw. Formsegmente
Die Formsegmente
Es hat sich herausgestellt, dass die Reinigungslösung mehrmals verwendet werden kann. Je nach Größe der zu reinigenden Form bzw. den Verschmutzungsgrad kann eine angefertigte Reinigungslösung für etwa 35 bis 40 Heizformen verwendet werden. It has been found that the cleaning solution can be used several times. Depending on the size of the form to be cleaned or the degree of soiling, a prepared cleaning solution for about 35 to 40 heating forms can be used.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
- 11
- Formsegment mold segment
- 22
- Entlüftungsbohrung vent hole
- 2a2a
- Abschnitt section
- 33
- Entlüftungseinheit venting unit
- 44
- Einsatz commitment
- 55
- Ventilschaft valve stem
- 5a5a
- Schaftfortsatz Stem extension
- 5b5b
- Bund Federation
- 66
- Ventilteller valve disc
- 6a6a
- Außenfläche outer surface
- 88th
- Verengung narrowing
- 99
- Erweiterung extension
- 1111
- Druckfeder compression spring
- 1212
- Schlitz slot
ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION
Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.
Zitierte PatentliteraturCited patent literature
- DE 19543276 C1 [0003] DE 19543276 C1 [0003]
- DE 119543276 C1 [0015] DE 119543276 C1 [0015]
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110053207 DE102011053207A1 (en) | 2011-09-02 | 2011-09-02 | Method for cleaning of molded or shaped segments of tire vulcanizing mold, involves testing venting units by ultrasonic-device on function from mold interior, where detected venting units are separated |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE201110053207 DE102011053207A1 (en) | 2011-09-02 | 2011-09-02 | Method for cleaning of molded or shaped segments of tire vulcanizing mold, involves testing venting units by ultrasonic-device on function from mold interior, where detected venting units are separated |
Publications (1)
Publication Number | Publication Date |
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DE102011053207A1 true DE102011053207A1 (en) | 2013-03-07 |
Family
ID=47710402
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DE201110053207 Pending DE102011053207A1 (en) | 2011-09-02 | 2011-09-02 | Method for cleaning of molded or shaped segments of tire vulcanizing mold, involves testing venting units by ultrasonic-device on function from mold interior, where detected venting units are separated |
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DE (1) | DE102011053207A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017211517A1 (en) * | 2016-06-06 | 2017-12-14 | Continental Reifen Deutschland Gmbh | Ventilation unit for a vulcanization mold of a vehicle pneumatic tyire |
WO2017211515A1 (en) * | 2016-06-06 | 2017-12-14 | Continental Reifen Deutschland Gmbh | Ventilation unit for a vulcanization mold of a vehicle pneumatic tire |
CN108115861A (en) * | 2016-11-29 | 2018-06-05 | 李洪庆 | A kind of synthetic rubber departs from the method for skeleton |
CN109311250A (en) * | 2016-06-06 | 2019-02-05 | 大陆轮胎德国有限公司 | The exhaust unit of sulfurizing mould for Pneumatic vehicle tire |
US11090842B2 (en) * | 2017-04-12 | 2021-08-17 | Wd Racing Oy | Valve insert and air venting valve |
US11260614B2 (en) * | 2019-06-12 | 2022-03-01 | Himile Mechanical Science And Technology (Shandong) Co., Ltd. | Venting device and tire mold |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19543276C1 (en) | 1995-11-20 | 1997-02-06 | Continental Ag | Tire vulcanization mold with ventilation |
-
2011
- 2011-09-02 DE DE201110053207 patent/DE102011053207A1/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19543276C1 (en) | 1995-11-20 | 1997-02-06 | Continental Ag | Tire vulcanization mold with ventilation |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017211517A1 (en) * | 2016-06-06 | 2017-12-14 | Continental Reifen Deutschland Gmbh | Ventilation unit for a vulcanization mold of a vehicle pneumatic tyire |
WO2017211515A1 (en) * | 2016-06-06 | 2017-12-14 | Continental Reifen Deutschland Gmbh | Ventilation unit for a vulcanization mold of a vehicle pneumatic tire |
CN109311249A (en) * | 2016-06-06 | 2019-02-05 | 大陆轮胎德国有限公司 | The exhaust unit of sulfurizing mould for Pneumatic vehicle tire |
CN109311250A (en) * | 2016-06-06 | 2019-02-05 | 大陆轮胎德国有限公司 | The exhaust unit of sulfurizing mould for Pneumatic vehicle tire |
CN108115861A (en) * | 2016-11-29 | 2018-06-05 | 李洪庆 | A kind of synthetic rubber departs from the method for skeleton |
US11090842B2 (en) * | 2017-04-12 | 2021-08-17 | Wd Racing Oy | Valve insert and air venting valve |
US11260614B2 (en) * | 2019-06-12 | 2022-03-01 | Himile Mechanical Science And Technology (Shandong) Co., Ltd. | Venting device and tire mold |
EP3865273A4 (en) * | 2019-06-12 | 2022-07-06 | Himile Mechanical Science and Technology (Shandong) Co., Ltd. | Exhaust device and tire mold |
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Free format text: PREVIOUS MAIN CLASS: B08B0003120000 Ipc: B29C0033720000 |
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Owner name: CONTINENTAL REIFEN DEUTSCHLAND GMBH, DE Free format text: FORMER OWNER: CONTINENTAL REIFEN DEUTSCHLAND GMBH, 30165 HANNOVER, DE |