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WO2012131929A1 - Appareil de vulcanisation de pneumatique - Google Patents

Appareil de vulcanisation de pneumatique Download PDF

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Publication number
WO2012131929A1
WO2012131929A1 PCT/JP2011/057953 JP2011057953W WO2012131929A1 WO 2012131929 A1 WO2012131929 A1 WO 2012131929A1 JP 2011057953 W JP2011057953 W JP 2011057953W WO 2012131929 A1 WO2012131929 A1 WO 2012131929A1
Authority
WO
WIPO (PCT)
Prior art keywords
vulcanizing apparatus
tire vulcanizing
tire
heating element
heating
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.)
Ceased
Application number
PCT/JP2011/057953
Other languages
English (en)
Japanese (ja)
Inventor
幸司 新谷
圭一 登本
和俊 横尾
一成 田中
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to PCT/JP2011/057953 priority Critical patent/WO2012131929A1/fr
Publication of WO2012131929A1 publication Critical patent/WO2012131929A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • B29D2030/0666—Heating by using fluids
    • B29D2030/0674—Heating by using non-fluid means, e.g. electrical heating

Definitions

  • the present invention relates to a tire vulcanizing apparatus for vulcanizing a green tire.
  • FIG. 10 As a means for heating the raw tire from the outside, for example, there is one as shown in FIG. 10 (see Patent Document 1 and Patent Document 2).
  • the upper and lower platens 100a and 100b, the jacket ring 101 as the outer ring, and the like are formed as flow paths in the upper and lower platens 100a and 100b as the outer mold of the vulcanizing mold that accommodates the raw tire T.
  • Steam (heating medium) is supplied and circulated from the factory steam boiler 104 through the piping unit 102 and the factory main pipe 103 to the flow path (see piping in the figure), and heat is transferred from the outer mold to the raw tire T. is there.
  • the steam described above is supplied and circulated through the lower center mechanism (not shown) into the internal space (in the bladder B) of the raw tire T, and heating or pressurized medium such as nitrogen (N2) gas or hot water is supplied. It is designed to be sealed.
  • heating or pressurized medium such as nitrogen (N2) gas or hot water
  • an electromagnetic coil is arranged around the outer mold, the surface of the outer mold is induction-heated (see Patent Document 3 and Patent Document 4), and a rod heater is embedded in the outer mold, There is one that indirectly heats the outer mold (see Patent Document 5 and Patent Document 6).
  • the steam heating method as shown in FIG. 10 has a problem that the running cost becomes high because a large energy loss occurs due to heat radiation from the steam supply pipe.
  • it requires piping work between the factory main pipe and the vulcanizer, which cannot be changed easily, which makes the factory layout very difficult, or condensate drain in the steam flow path between the upper and lower plates.
  • problems such as difficulty in controlling the zone temperature.
  • the induction heating method it takes a lot of time to control the heating (adjusting the magnetic force and magnetic field) according to the structure of the vulcanizer and the tire mold, and also for the installation of electromagnetic coils and electrical insulation materials. As a result, the size of the apparatus increases, leading to an increase in cost.
  • an object of the present invention is to provide a tire vulcanizing apparatus provided with heating means that can reduce energy loss and running cost, improve temperature control accuracy, and is inexpensive and has good workability.
  • a tire vulcanizing apparatus for achieving such an object,
  • a tire vulcanizing apparatus for heating and vulcanizing a raw tire housed in an outer mold from outside and inside the raw tire As a means for heating the green tire from at least the outside, a flexible planar heating element used for ordinary household appliances is attached to the outer mold, and the outer mold is heated directly or via a heat medium. It is characterized by doing.
  • the flexible planar heating element is a mica heater.
  • the flexible planar heating element is divided into a plurality of parts according to the zone temperature control of the outer mold.
  • the flexible planar heating element is attached in combination with a heat insulating material.
  • the flexible planar heating element is partly attached in a steam heating type tire vulcanizer.
  • the tire vulcanizing apparatus according to the present invention does not use steam from a factory steam boiler, so that energy loss and running cost can be reduced.
  • the simple means of attaching a flexible planar heating element used for household appliances has the advantage that the heating running cost can be reduced, the accuracy of temperature control can be improved, and the cost can be reduced.
  • FIG. 1 is a heating system diagram of a tire vulcanizing apparatus showing an embodiment of the present invention
  • FIG. 2 is a mounting structure diagram of a mica heater
  • FIG. 3A is a mounting structure diagram of a mica heater, a heat insulating material, and a platen
  • FIG. 4A is a mounting structure diagram of the mica heater and the platen
  • FIG. 4B is another mounting structure diagram of the mica heater and the platen
  • FIG. 5 is a mounting structure diagram of the mica heater, the platen, and the heating medium
  • FIG. FIG. 6B is a plan view showing another divided pattern of the mica heater in the platen
  • FIG. 7A is a flat (lateral) sectional view showing the mounting structure of the mica heater and the jacket ring
  • FIG. 7B is a mica heater.
  • 8A is a side (longitudinal) cross-sectional view showing the mounting structure of the jacket ring
  • FIG. 8B is a side (vertical) cross-sectional view showing the mounting structure of the mica heater, the heat insulating material, and the jacket ring
  • FIG. 9A is a flat (horizontal) showing the mounting structure of the mica heater, the heat medium, and the jacket ring.
  • Cross-sectional view FIG. 9B is a side (vertical) cross-sectional view showing the mounting structure of the mica heater, the heat medium, and the jacket ring.
  • a container 10 of a tire vulcanizer includes a plate made of upper and lower platens 11a and 11b and upper and lower container plates 12a and 12b, a jacket ring 13 and segments (including divided segments) 14. Etc., and these are commonly called outer molds.
  • the raw tire T is inserted into the outer mold through a tread mold portion Ma, upper and lower sidewall mold portions Mb and Mc, and upper and lower bead rings Md and Me (these are commonly referred to as split molds). Is housed.
  • a known bladder B is inserted into the internal space of the raw tire T, and steam is supplied and circulated through the lower center mechanism (not shown) in the bladder B, and nitrogen (N2) gas, hot water, etc.
  • the heating / pressurizing medium is also sealed.
  • the mica heater 15 as a flexible planar heating element is attached to the upper and lower platens 11a and 11b and the jacket ring 13 among the outer molds described above by various attachment structures described later. Electric power is supplied from the heater power sources 16A and 16B corresponding to the heat sources used for household appliances through the feeder lines 17A and 17B, and the upper and lower platens 11a and 11b and the jacket ring 13 are directly or directly heated. It is heated via (steam, hot water, oil, gas, etc.).
  • the mica heater 15 is an electric heater in which a heating resistor (foil) 15b is sandwiched between mica (insulation) plates 15a.
  • a heating resistor (foil) 15b is sandwiched between mica (insulation) plates 15a.
  • FIG. 3A shows an example in which vertical and horizontal mica heaters 15 and a heat insulating material 20 for reducing heat loss are embedded in cavities having rectangular cross sections of the upper and lower platens 11a and 11b. Is fastened with bolts to the upper and lower platens 11a and 11b. In this case, it is preferable to join the horizontal mica heater 15 side to the container plates 12a and 12b side. Further, instead of the upper and lower platens 11a and 11b, the mica heater 15 may be attached to the container plates 12a and 12b with the same structure.
  • FIG. 3B The example shown in FIG. 3B is an example in which a mica heater 15 is embedded in a cavity having a rectangular cross section of the upper and lower platens 11a and 11b, and a heat insulating material 20 is attached to one surface of the upper and lower platens 11a and 11b.
  • the mica heater 15 is sandwiched between the upper and lower members of the upper and lower platens 11a and 11b. In this case, it is preferable to join the mica heater 15 side to the container plates 12a and 12b side. Further, instead of the upper and lower platens 11a and 11b, the mica heater 15 may be attached to the container plates 12a and 12b with the same structure.
  • FIGS. 4A and 4B show an example in which the mica heater 15 is fastened with a bolt to one of the upper and lower platens 11a and 11b as a plate. Moreover, you may attach the heat insulating material 20 for heat radiation loss reduction suitably as shown with the chain line in a figure. In addition, instead of the upper and lower platens 11a and 11b, the mica heater 15 may be attached to the container plates 12a and 12b with the same structure.
  • FIG. 5 shows that the upper and lower platens 11a and 11b are filled with a heat medium (steam, hot water, oil, gas, etc.) 21 in cavities having a rectangular cross section of the upper and lower platens 11a and 11b as plates.
  • the mica heater 15 is attached to one surface, and the mica heater 15 is fastened with bolts to the upper and lower platens 11a and 11b. In this case, it is preferable to join the upper and lower platens 11a and 11b directly to the container plates 12a and 12b.
  • a heat insulating material 20 for reducing a heat dissipation loss may be appropriately attached.
  • the mica heater 15 may be attached to the container plates 12a and 12b with the same structure.
  • 6A and 6B are examples of division of the mica heater 15 in the upper and lower platens 11a and 11b described above, and can be divided into various shapes according to zone temperature control or the like. Further, instead of the upper and lower platens 11a and 11b, the mica heater 15 may be attached to the container plates 12a and 12b with the same structure.
  • FIGS. 7A and 7B show an example in which a mica heater 15 divided into a plurality of parts in the vertical direction and the circumferential direction is tightened with bolts on the outer peripheral surface of a jacket ring 13 as an outer ring. Moreover, you may attach the heat insulating material 20 for heat radiation loss reduction suitably as shown with the chain line in a figure. Instead of the jacket ring 13, the mica heater 15 may be attached to the segment (including divided segments) 14 side with the same structure.
  • FIGS. 8A and 8B show an example in which a heat insulating material 20 and a mica heater 15 divided into a plurality of parts in the vertical direction and the circumferential direction are embedded in a cavity (jacket) of a jacket ring 13 as an outer ring.
  • the mica heater 15 is fastened to the jacket ring 13 (located on the inner peripheral side of the cavity) with a bolt. Further, instead of the jacket ring 13, the mica heater 15 may be attached to the segment (including divided segments) 14 side with the same structure.
  • FIGS. 9A and 9B show that a mica heater 15 divided into a plurality of parts in the vertical direction and the circumferential direction is fastened with bolts to the outer peripheral surface of a jacket ring 13 as an outer ring, and a cavity (jacket) of the jacket ring 13 is used.
  • a heat medium steam, hot water, oil, gas, etc.
  • the mica heater 15 is fastened to the jacket ring 13 with a bolt.
  • the mica heater 15 may be attached to the segment (including divided segments) 14 side with the same structure.
  • the mica heater 15 as the flexible planar heating element is attached to the outer molds such as the upper and lower platens 11a and 11b and the jacket ring 13 of the container 10, and the outer mold (to be heated) )) Directly or via a heating medium, (1) Boilers (heating medium), factory / equipment piping (supply and recovery), piping equipment, and piping work are no longer required, reducing piping heat dissipation (energy) loss, reducing running costs and downsizing the equipment. (2) Since the contact area is large due to the surface heat generation, the power density can be increased and the heating efficiency to the object to be heated is improved, so that the accuracy of the temperature control can be improved and the zone temperature control is possible.
  • Mica heaters are inexpensive, thin and have good workability, so they can be heated and mounted in a shape that matches the object to be heated, and the outer mold can be made thinner and the insulation can be made thicker. It is possible to improve the compactness of the device and improve the heat insulation of the mold and make it compatible with existing devices.
  • the mica heater is thin (about 1 mm), the heat capacity is small and the power density is higher than that of the rod heater, so the response when heating the heated object is good (the controllability during heating is good)
  • Factory steam boilers require constant operation, but with this technology it is possible to control heating while supplying power only to the parts necessary for heating (vulcanizers), so the heating running cost can be reduced. , The following actions and effects can be obtained.
  • the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the gist of the present invention.
  • electric heaters other than a mica heater as a flexible planar heating element used for a normal household appliance.
  • a flexible sheet heating element used for ordinary household appliances is used in a conventional steam heating type tire vulcanizing apparatus, for example, upper and lower platens 11a and 11b and upper and lower container plates 12a and 12b. You may make it attach partially to the plate etc. which consist of etc.
  • the tire vulcanizing apparatus according to the present invention is preferably used for a so-called self-locking tire vulcanizing apparatus in which a container has a function of locking a mold.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)

Abstract

L'invention porte sur un appareil de vulcanisation de pneumatique qui peut réduire la perte d'énergie et les coûts de fonctionnement et qui améliore la précision de la commande de la température, l'appareil de vulcanisation de pneumatique comprenant un moyen de chauffage qui est peu coûteux et possède une bonne maniabilité. Pour cela, l'appareil de vulcanisation de pneumatique est conçu de façon à vulcaniser un pneumatique cru (T) en chauffant le pneumatique cru (T) par l'extérieur et par l'intérieur du pneumatique cru (T) disposé dans des moules extérieurs, tels que des plateaux supérieur et inférieur (11a, 11b) et un anneau enveloppe (13). Dans l'appareil de vulcanisation de pneumatique, on utilise comme moyen pour chauffer le pneumatique cru (T) au moins par l'extérieur du pneumatique cru (T), un élément chauffant en mica (15) du type pour appareil électrique électroménager typique, qui est monté sur les moules extérieurs tels que les plateaux supérieur et inférieur (11a, 11b) et sur l'anneau enveloppe (13) de manière à chauffer les moules extérieurs directement ou par l'intermédiaire d'un milieu chauffant (21).
PCT/JP2011/057953 2011-03-30 2011-03-30 Appareil de vulcanisation de pneumatique Ceased WO2012131929A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/057953 WO2012131929A1 (fr) 2011-03-30 2011-03-30 Appareil de vulcanisation de pneumatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/057953 WO2012131929A1 (fr) 2011-03-30 2011-03-30 Appareil de vulcanisation de pneumatique

Publications (1)

Publication Number Publication Date
WO2012131929A1 true WO2012131929A1 (fr) 2012-10-04

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PCT/JP2011/057953 Ceased WO2012131929A1 (fr) 2011-03-30 2011-03-30 Appareil de vulcanisation de pneumatique

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111669848A (zh) * 2019-03-08 2020-09-15 深圳市杰世达科技有限公司 一种节能电热装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0768557A (ja) * 1993-08-31 1995-03-14 Tokai Rubber Ind Ltd 薄肉ゴムベルトの加硫成形型及び薄肉ゴムベルトの製造方法
JPH11320567A (ja) * 1998-05-11 1999-11-24 Bridgestone Corp タイヤ加硫装置および加硫方法
JP2000000823A (ja) * 1998-06-12 2000-01-07 Komatsu Ltd 面状ヒーター加熱金型
JP2000043047A (ja) * 1998-07-28 2000-02-15 Sumitomo Rubber Ind Ltd タイヤの加硫方法、加硫装置及びそれを用いて加硫されたタイヤ
JP2000271969A (ja) * 1999-03-26 2000-10-03 Sekisui Chem Co Ltd 射出成形用金型
JP2003231126A (ja) * 2002-02-12 2003-08-19 Yokohama Rubber Co Ltd:The タイヤ加硫用コンテナー
JP2005528256A (ja) * 2002-05-31 2005-09-22 ピレリ・プネウマティチ・ソチエタ・ペル・アツィオーニ タイヤの製造方法およびかかる方法を実行するためのトロイダル支持体
WO2008146359A1 (fr) * 2007-05-29 2008-12-04 Hirata Corporation Conteneur de moule et appareil de vulcanisation de pneus
JP2009023192A (ja) * 2007-07-19 2009-02-05 Omron Corp ヒータの取付け構造

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0768557A (ja) * 1993-08-31 1995-03-14 Tokai Rubber Ind Ltd 薄肉ゴムベルトの加硫成形型及び薄肉ゴムベルトの製造方法
JPH11320567A (ja) * 1998-05-11 1999-11-24 Bridgestone Corp タイヤ加硫装置および加硫方法
JP2000000823A (ja) * 1998-06-12 2000-01-07 Komatsu Ltd 面状ヒーター加熱金型
JP2000043047A (ja) * 1998-07-28 2000-02-15 Sumitomo Rubber Ind Ltd タイヤの加硫方法、加硫装置及びそれを用いて加硫されたタイヤ
JP2000271969A (ja) * 1999-03-26 2000-10-03 Sekisui Chem Co Ltd 射出成形用金型
JP2003231126A (ja) * 2002-02-12 2003-08-19 Yokohama Rubber Co Ltd:The タイヤ加硫用コンテナー
JP2005528256A (ja) * 2002-05-31 2005-09-22 ピレリ・プネウマティチ・ソチエタ・ペル・アツィオーニ タイヤの製造方法およびかかる方法を実行するためのトロイダル支持体
WO2008146359A1 (fr) * 2007-05-29 2008-12-04 Hirata Corporation Conteneur de moule et appareil de vulcanisation de pneus
JP2009023192A (ja) * 2007-07-19 2009-02-05 Omron Corp ヒータの取付け構造

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111669848A (zh) * 2019-03-08 2020-09-15 深圳市杰世达科技有限公司 一种节能电热装置

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