WO2014027456A1 - Procédé de remplacement d'un élément de moule pour la vulcanisation d'un pneu - Google Patents

Procédé de remplacement d'un élément de moule pour la vulcanisation d'un pneu Download PDF

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Publication number
WO2014027456A1
WO2014027456A1 PCT/JP2013/004824 JP2013004824W WO2014027456A1 WO 2014027456 A1 WO2014027456 A1 WO 2014027456A1 JP 2013004824 W JP2013004824 W JP 2013004824W WO 2014027456 A1 WO2014027456 A1 WO 2014027456A1
Authority
WO
WIPO (PCT)
Prior art keywords
tire
mold
mold member
rod
bolster plate
Prior art date
Application number
PCT/JP2013/004824
Other languages
English (en)
Japanese (ja)
Inventor
一ノ瀬　正之
Original Assignee
株式会社ブリヂストン
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 株式会社ブリヂストン filed Critical 株式会社ブリヂストン
Priority to CN201380041339.XA priority Critical patent/CN104520086B/zh
Priority to JP2014530467A priority patent/JP6200889B2/ja
Priority to RU2015108801/05A priority patent/RU2605116C2/ru
Publication of WO2014027456A1 publication Critical patent/WO2014027456A1/fr

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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
    • B29D30/0605—Vulcanising presses characterised by moulds integral with the presses having radially movable sectors
    • 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
    • B29C33/30—Mounting, exchanging or centering
    • 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

Definitions

  • This invention relates to a method for replacing a tire vulcanizing mold member (for example, a container or a mold).
  • the molded raw tire is put into a mold in which a tread pattern, a mark, etc. are molded.
  • the mold is accommodated in a container.
  • a tire vulcanizing mold including a container and a mold is installed in the tire vulcanizer, and the bladder accommodated in the mold is expanded by the tire vulcanizer, and the raw tire is pressurized with the pressure from the inside of the raw tire.
  • the tire is pressed against the mold and heated by steam or a heat medium from the inner and outer surfaces of the mold to elapse a specified time.
  • a vulcanization reaction proceeds on the entire tire, and a product tire composed of a stable vulcanized rubber structure having elasticity can be manufactured.
  • the container suppresses the force that the mold tries to open during this vulcanization.
  • Patent Document 1 One such tire vulcanizer is disclosed in Patent Document 1. This is because “the slider block is attached to at least two or more tie rods at the top and bottom of two or more tie rods, and the guide rail that guides the sliding direction of each slider block in the vertical direction of the top plate is attached to the machine frame.” In this way, the height of the tire vulcanizer is prevented from being increased, and the elevating portion is provided with sufficient rigidity.
  • the mold As described above, a large force is generated to open the mold during vulcanization of the tire. Therefore, in order to keep the mold closed, the mold is accommodated in the container and the container is held down by the top plate. However, the mold may still open and affect the vulcanization of the tire.
  • the present invention has been made with the object of solving such problems of the prior art, and an object of the present invention is to provide a tire that can more firmly fix a tire vulcanizing mold member.
  • a method for replacing a mold member for vulcanization is provided.
  • the tire vulcanizing mold member replacement method includes a tire vulcanizing unit that is sandwiched between a base plate of a tire vulcanizing machine and a bolster plate that is disposed on the upper part of the base plate so as to face the base plate.
  • the tire vulcanizing mold member replacement method of the present invention the tire vulcanizing mold member can be more firmly fixed.
  • FIG. 1 is a side view showing a tire vulcanizer used in an embodiment of a tire vulcanization mold member replacement method of the present invention. It is a perspective view which shows the baseplate of the tire vulcanizer shown in FIG. It is a perspective view which shows the slider of the tire vulcanizer shown in FIG. It is a perspective view which shows the bolster plate of the tire vulcanizer shown in FIG. It is the front view and bottom view which show the upper rod of the tire vulcanizer shown in FIG. It is the front view and top view which show the lower rod of the tire vulcanizer shown in FIG.
  • a tire vulcanizer 1 shown in FIG. 1 includes a base plate 2 that supports a tire vulcanization mold (not shown) and an upper portion of the tire vulcanization mold that is opposed to the base plate 2 and is used when the tire is vulcanized.
  • the bolster plate 3 that holds the tire vulcanization mold in a closed state by sandwiching the tire vulcanization mold between the bolster plate 3 and the bolster plate 3 is lifted and lowered.
  • the hydraulic cylinder 4 is used.
  • the tire vulcanizer 1 includes a plurality of (four in this embodiment, 5a to 5d) lower rods 5 attached to the base plate 2 and capable of moving up and down with respect to the base plate 2. 4, a plurality of (four in this embodiment, 6a to 6d) upper rods 6 fixed to the bolster plate 3 and connectable to the lower rod 5, and the upper rod 6 is the lower rod.
  • Rod connecting means capable of switching between a state in which the upper rod 6 is connected to the lower rod 5 and a state in which the upper rod 6 is not connected to the lower rod 5.
  • a loader for carrying the raw tire into the tire vulcanizer 1 is installed on the left side of the tire vulcanizer 1 in FIG.
  • An unloader for unloading the vulcanized tire from the tire vulcanizer 1 is installed in the corresponding portion.
  • the base plate 2 is fixed to the main body frame of the tire vulcanizer 1. As shown in FIG. 2, a ring 7 for aligning the tire vulcanizing mold is formed at the center of the upper surface of the base plate 2, and a hot plate 8 is installed around the ring 7. Then, four holes are formed in the corners of the base plate 2, and female screws are pivotally attached to the lower portions of the respective holes. Each female screw is rotated by the servo motor 9. Around the hole of the base plate 2, a cover for preventing dust and damage is provided. The lower rod 5 passes through the hole of the base plate 2. Further, a male screw is formed on the surface of the lower rod 5, and is engaged with the female screw. When the servo motor 9 rotates the female screw at the corner of the base plate 2, the lower rod 5 having the male screw engaged with the female screw can be moved up and down.
  • the base plate 2 is extended by a driving means such as the hydraulic cylinder 10 in a direction (left and right direction in FIG. 1) substantially orthogonal to the driving direction of the hydraulic cylinder 4 (up and down direction in FIG. 1). It can be configured to slide on the existing slider 11.
  • the tire vulcanizing mold can be pulled out from between the bolster plate 3 and the base plate 2 when the tire vulcanizing mold member is replaced.
  • the plate 3 or the like does not get in the way, as will be described later. It is possible to reduce the danger such as when a container connected to the bolster plate 3 falls.
  • the bolster plate 3 is a guide rail installed on a side column portion of the main body frame of the tire vulcanizer 1 by a hydraulic cylinder 4 fixed to the main body frame of the tire vulcanizer 1. Can be moved up and down as a guide.
  • a ring for aligning the tire vulcanizing mold is formed at the center of the lower surface of the bolster plate 3, and although not shown, a heat insulating plate is interposed around the ring.
  • the hot plate is fixed.
  • four holes are formed in the corners of the bolster plate 3, and the upper rod 6 is fixed to each hole so as to be rotatable around its axis.
  • the remaining two upper rods 6b and 6d are connected to respective upper rods 6a and 6c to which servomotors are attached by linear shafts 13a and 13b. Therefore, when the servo motor 12a is driven, the upper rods 6a, 6b are synchronously rotated around the axis of each rod, and when the servo motor 12b is driven, the upper rods 6c, 6d are synchronously rotated. Move. By synchronizing the upper rods in this way, the upper rod 6 and the lower rod 5 described later can be efficiently connected.
  • the upper rod can be driven by an air cylinder instead of the servo motor. Further, each of the upper rods can be driven by a servo motor.
  • a sensor can be provided in each of the servo motors 12a and 12b.
  • the sensor detects whether the upper rod 6 is connected to the movement of the lower rod 5 or whether the upper rod 6 is not connected to the movement of the lower rod 5.
  • the hydraulic cylinder 4 cannot move the bolster plate 3 up and down. Accordingly, it is possible to prevent the hydraulic cylinder 4 from moving the bolster plate 3 up and down by mistake while the upper rod 6 and the lower rod 5 are connected, and the protrusion 5p and the upper rod of the lower rod 5 described later. It is possible to effectively prevent breakage of the 6 protrusions 6p and the like.
  • the tire vulcanization mold which is sandwiched and installed between the base plate 2 and the bolster plate 3 of the tire vulcanizer 1 shown in FIG. 1 during tire vulcanization, is a mold in which a tread pattern or a mark is molded.
  • a bladder that is housed in a mold and expands during vulcanization and presses the raw tire against the wall surface of the mold, and a mold member for tire vulcanization such as a container that contains the mold and suppresses the force of the mold to open during vulcanization Consists of.
  • the tire vulcanization mold is aligned with the ring 7 of the base plate 2 and the ring of the bolster plate 3 shown in FIG.
  • the tire vulcanization mold member can be fixed to the bolster plate 3 by projecting the rod from the ring of the bolster plate 3 and penetrating the tire vulcanization mold. That is, the ring and rod of the bolster plate 3 can constitute a mold member connecting means for connecting the tire vulcanizing mold member to the bolster plate 3.
  • the lower surface of the tire vulcanization mold contacts the hot plate 8 of the base plate 2, and the upper surface of the tire vulcanization mold approaches or contacts the hot plate of the bolster plate 3.
  • the respective hot plates generate heat so that the raw tire in the tire vulcanization mold can be vulcanized.
  • a mold introducing member (not shown) may be provided on the bolster plate 3 to guide the tire vulcanizing mold member.
  • the mold introduction member can be formed with a taper in the radial direction of the tire vulcanization mold member, for example, so as to match the shape of the upper surface of the tire vulcanization mold member.
  • the height adjustment of the bolster plate according to the height of the tire vulcanization mold member can be performed accurately and quickly.
  • the rod connecting means is composed of a concave portion 6j formed at the lower end portion of the upper rod 6 and a convex portion 5j formed at the upper end portion of the lower rod 5 as shown in FIG.
  • the concave portion 6j at the lower end of the upper rod 6 has a concave central portion on the lower surface.
  • the edge of the recess has six protrusions in this embodiment that extend toward the axis of the upper rod 6 at a constant interval ⁇ (60 degrees in this embodiment) in the circumferential direction.
  • Article 6p is formed.
  • the length of the protrusion 6p in the rod axis direction is smaller than the depth of the recess (length in the rod axis direction).
  • a constricted portion 5w and a neck portion 5n are formed on the convex portion 5j at the upper end portion of the lower rod 5.
  • the diameter of the constricted part 5w is smaller than the diameter of the neck part 5n.
  • the neck portion 5n is formed of six protrusions 5p extending radially outward from the axis of the lower rod 5 in the radial direction.
  • the upper rod 6 is rotated around its axis, and the phases around the axes of the lower rod 5 and the upper rod 6 are matched, whereby the protrusion 5p of the lower rod 5 is changed to the protrusion 6p of the upper rod 6. Can be inserted in between. Then, the lower rod 5 is rotated about the axis of the upper rod 6 by ⁇ / 2 in a state in which the protrusion 5p of the lower rod 5 is inserted to the back of the protrusion 6p of the upper rod 6.
  • the convex portion 5j and the concave portion 6j of the upper rod 6 mesh with each other so that the lower rod 5 and the upper rod 6 can be connected.
  • the upper rod 6 when the lower rod 5 is inserted into the upper rod 6, the upper rod 6 automatically rotates and the lower rod 5 and the upper rod 6 are connected.
  • the rod connecting means of this embodiment is configured such that the upper rod and the lower rod are connected to each other by rotating the upper rod around the axis after fitting the lower rod to the upper rod. According to such rod connecting means, the upper rod and the lower rod can be firmly connected with a simple structure.
  • the upper rod 6 is provided with a recess 6j having a protrusion 6p
  • the lower rod 5 is provided with a protrusion 5j having a protrusion 5p. It is good also as a structure provided in a rod and an upper rod.
  • each upper rod 6 and the lower rod 5 are connected, the connection is released. Specifically, each upper rod 6 is rotated around the rod axis by a servo motor by half the interval ( ⁇ / 2) around the rod axis of the protrusion 6p of the upper rod. Thereafter, each female screw of the base plate 2 shown in FIG. 2 is rotated by the servo motor 9 to lower each lower rod 5 as shown in FIG. 7B.
  • the bolster plate 3 is lifted by the hydraulic cylinder 4 as shown in FIG. 7B with the mold member connecting means releasing the connection between the mold and the container 20. Thereafter, the lock of the center post 14 is released, and the center post 14 is lowered to release the fixation between the base plate 2 and the mold 30.
  • the base plate 2 can be slid by the slider 11, the base plate 2 can be pulled out to release the fixing as shown in FIG. 7B, so that the bolster plate 3 does not get in the way during the work and the work can be performed. It can be done easily and safely.
  • the bolster plate 3 is lowered again as shown in FIG. 7C. When the bolster plate 3 comes into contact with the container 20, the connection between the container 20 and the bolster plate 3 by the mold member connecting means is released, and the mold 30 and the container 20 are connected by the mold member connecting means.
  • a tire vulcanization mold member for example, a container 20 containing a mold or a mold 30 containing a bladder
  • a new tire vulcanization mold member is installed on the base plate 2.
  • the container can be carried out and installed by lifting the container 20 with a crane or the like as shown in FIG. 7E.
  • the mold 30 is carried out and installed while supporting the mold 30 from below so that the bladder does not fall off from the lower part of the mold 30.
  • the container for accommodating the mold, or the bladder and the mold are carried out and installed together, that is, one or more tire vulcanization mold members are replaced at a time, thereby the tire vulcanization mold.
  • the replacement work of the mold member can be made efficient, and the replacement work can be performed quickly and easily.
  • the base plate 2 can be slid by the slider 11, the base plate 2 can be pulled out as shown in FIG. 7E to carry out and install the tire vulcanization mold member.
  • the bolster plate 3 is lowered by the hydraulic cylinder 4.
  • the height of the bolster plate 3 is adjusted. Specifically, the height adjustment ends when the bolster plate 3 contacts the container 20.
  • the height of the bolster plate can be adjusted accurately and quickly in accordance with the height of the replaced tire vulcanizing mold member. it can.
  • FIG. 7G a mold and the container 20 are connected.
  • each lower rod 5 is raised as shown in FIG. 7H.
  • the protrusion 5p of the lower rod 5 is inserted between the protrusions 6p of the upper rod 6.
  • the upper rods 6a and 6b shown in FIG. 4 are servo motors 12a
  • the upper rods 6c and 6d are servo motors 12b, respectively, by half ( ⁇ / 2) of the interval between the protrusions 6p.
  • a tire vulcanization mold member such as a mold can be more firmly fixed, and the mold can be further prevented from opening during tire vulcanization.
  • the tire can be reliably vulcanized. Further, it is possible to suppress an excessive force from being applied to the bolster plate or the like during tire vulcanization, and it is possible to suppress damage to the tire vulcanizer.
  • the bolster plate 3 is raised again as shown in FIG. 7J with the mold member connecting means releasing the connection between the mold and the container 20, and the center post 14 And the ring 7 of the base plate 2 and the mold 30 are penetrated to fix the mold 30 to the base plate 2.
  • the base plate 2 can be slid by the slider 11.
  • the bolster plate 3 is lowered again as shown in FIG. 7K to connect the mold 30 and the container 20.
  • the tire vulcanizing mold member can be exchanged.
  • Tire vulcanizer 2 Base plate 3
  • Bolster plate 4 Hydraulic cylinder (lifting means) 5 (5a, 5b, 5c, 5d) Lower rod 5j Convex part (rod connecting means) 5w Constriction 5n Neck 5p Projection 6 (6a, 6b, 6c, 6d) Upper rod 6j Recess (Rod connecting means) 6p Projection 7 Ring 8 Hot plate 9
  • Servo motor 10 Hydraulic cylinder 11 Slider 12a, 12b Servo motor 13a, 13b Linear shaft 14 Center post 20
  • Container (Tire vulcanization mold member) 30 mold (mold member for tire vulcanization)

Landscapes

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

Abstract

La présente invention comprend une étape d'élévation d'un châssis dans un état dans lequel le châssis et un élément de moule pour la vulcanisation d'un pneu ne sont pas raccordés, une étape de remplacement de l'élément de moule pour la vulcanisation d'un pneu, une étape d'abaissement du châssis et de réglage de la hauteur du châssis, une étape de raccordement du châssis et de l'élément de moule pour la vulcanisation d'un pneu, une étape d'élévation d'une tige inférieure fixée sur une plaque de base et d'équipement de la tige inférieure d'une tige supérieure fixée sur le châssis, et une étape de rotation de la seule tige supérieure autour d'un axe dans l'état dans lequel la tige inférieure et la tige supérieure sont fixées l'une à l'autre et de raccordement de la tige inférieure et de la tige supérieure.
PCT/JP2013/004824 2012-08-13 2013-08-09 Procédé de remplacement d'un élément de moule pour la vulcanisation d'un pneu WO2014027456A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201380041339.XA CN104520086B (zh) 2012-08-13 2013-08-09 轮胎硫化用模具构件的更换方法
JP2014530467A JP6200889B2 (ja) 2012-08-13 2013-08-09 タイヤ加硫用金型部材の交換方法
RU2015108801/05A RU2605116C2 (ru) 2012-08-13 2013-08-09 Способ замены компонента оборудования пресс-формы для вулканизации шины

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-179306 2012-08-13
JP2012179306 2012-08-13

Publications (1)

Publication Number Publication Date
WO2014027456A1 true WO2014027456A1 (fr) 2014-02-20

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Application Number Title Priority Date Filing Date
PCT/JP2013/004824 WO2014027456A1 (fr) 2012-08-13 2013-08-09 Procédé de remplacement d'un élément de moule pour la vulcanisation d'un pneu

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JP (1) JP6200889B2 (fr)
CN (1) CN104520086B (fr)
RU (1) RU2605116C2 (fr)
WO (1) WO2014027456A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107900716A (zh) * 2017-12-21 2018-04-13 桂林橡胶机械有限公司 轮胎硫化机墙板加工辅助定位调节装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09123178A (ja) * 1995-10-26 1997-05-13 Kobe Steel Ltd タイヤ加硫機の金型締付機構
JPH09169030A (ja) * 1997-01-23 1997-06-30 Kobe Steel Ltd タイヤ加硫プレス
JP2001001346A (ja) * 1999-06-25 2001-01-09 Mitsubishi Heavy Ind Ltd タイヤ加硫装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3922122A (en) * 1971-12-17 1975-11-25 Pirelli Apparatus for molding an embossed pattern on the peripheral band of a toroidal article, in particular on tire treads
SU1151471A1 (ru) * 1983-08-30 1985-04-23 Всесоюзный Научно-Исследовательский Институт Резинотехнического Машиностроения Устройство дл вулканизации покрышек пневматических шин
ES2144537T3 (es) * 1992-05-13 2000-06-16 Sedepro Neumatico.
DE202007002595U1 (de) * 2007-02-22 2007-08-30 Trw Automotive Electronics & Components Gmbh & Co. Kg Befestigungsvorrichtung
JP4939661B1 (ja) * 2011-02-25 2012-05-30 三菱重工業株式会社 タイヤ加硫機およびその輸送・梱包方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09123178A (ja) * 1995-10-26 1997-05-13 Kobe Steel Ltd タイヤ加硫機の金型締付機構
JPH09169030A (ja) * 1997-01-23 1997-06-30 Kobe Steel Ltd タイヤ加硫プレス
JP2001001346A (ja) * 1999-06-25 2001-01-09 Mitsubishi Heavy Ind Ltd タイヤ加硫装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107900716A (zh) * 2017-12-21 2018-04-13 桂林橡胶机械有限公司 轮胎硫化机墙板加工辅助定位调节装置
CN107900716B (zh) * 2017-12-21 2023-09-26 桂林橡胶机械有限公司 轮胎硫化机墙板加工辅助定位调节装置

Also Published As

Publication number Publication date
JP6200889B2 (ja) 2017-09-20
RU2605116C2 (ru) 2016-12-20
RU2015108801A (ru) 2016-10-10
CN104520086A (zh) 2015-04-15
JPWO2014027456A1 (ja) 2016-07-25
CN104520086B (zh) 2016-12-28

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