JP2005271336A - Tire vulcanizing container device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a tire vulcanizing container device for facilitating the setting of the temperature of an upper mold at the time of the vulcanization of a tire and temperature control to achieve the shortening a tire vulcanizing time. <P>SOLUTION: A heating means 17 is installed on a support plate 12 and a high frequency induction heater is used in the heating means 17 in this embodiment. Electrodes 19a and 19b are attached to the heating means 17 of the high frequency induction heater through wirings 18a and 18b and allowed to pierce the support plate 12 to be connected to an induction heating coil 22 embedded in a disc-shaped hot plate 21 arranged through a heat insulating plate 20. The induction heating coil 22 is arranged to a recessed part formed on the bottom surface of the hot plate 21 through a heat insulating material and the surface thereof is fixed by a plurality of press plates 25. Further, a pressure cylinder 15 is detachably connected to the center of the upper surface of an upper side plate 2 through a clamp device 26. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a container device for tire vulcanization, and more specifically, tire vulcanization that facilitates temperature setting and temperature control of an upper mold during tire vulcanization and can shorten tire vulcanization time. This relates to a container device for use.

  As a conventional tire vulcanizing container device 1, for example, as shown in FIGS. 5 and 6, as shown in FIGS. The upper mold 4 and the lower mold 5 are respectively attached to the lower side plate 3, and the sector mold 6 is divided into a plurality of pieces in the circumferential direction and moves up and down toward the center.

  The sector mold 6 includes a back segment 9 to which each sector piece 8 having the tire profile surface 7 of the molded tire W is detachably attached, and a predetermined inclination angle α formed on the back side of each back segment 9. The sliding contact surface 10 is provided with slidable guide means 11, and this guide means 11 is suspended from a support plate 12 that can be raised and lowered.

  By the way, as the heating means 13 embedded in the upper side plate 2 as described above, an electric heater is used, and the electric cord 13 a connected to the electric heater of the heating means 13 is a through hole provided in the support plate 12. 14 is inserted and connected to a power source outside the apparatus (see, for example, Patent Document 1).

However, when the tire is vulcanized, the upper side plate 2 to which the upper mold 4 is attached via the pressure cylinder 15 moves up and down, and at the same time, the electric cord 13a connected to the heating means 13 also moves up and down. There is a risk of disconnection 13a, contact failure, etc., and there is room for improvement in wiring processing. Reference numeral 16 denotes an upper mold lifting cylinder.
JP 2003-231126 A

The present invention pays attention to such conventional problems, and separates the heating means and the upper side plate as the object to be heated to facilitate temperature setting and temperature control of the upper mold during tire vulcanization. In addition, an object of the present invention is to provide a tire vulcanizing container device capable of shortening the tire vulcanizing time.

  In order to achieve the above object, the present invention has a bladder central mechanism that can be moved up and down and detachably mounted on a lower side plate that is movably mounted on a base plate. A lower mold is detachably installed on the side plate, and a sector mold divided in a plurality of circumferential directions is arranged around the lower mold so as to expand and contract in a radial direction toward the bladder center mechanism. A support plate that can be moved up and down is disposed on an upper side plate that is horizontally disposed at a predetermined distance from the plate, and the lower surface of the support plate is disposed above and through an upper side plate that can be moved up and down with heating means. Tire vulcanizing apparatus equipped with a guide means for mounting and moving the sector mold as the support plate moves up and down A definitive tire vulcanizing container device, as a heating means of the upper mold, it is an gist for using the high-frequency induction heating device.

  Here, a heating plate with an induction heating coil embedded therein is provided between the support plate and the upper mold, the heating plate with the induction heating coil embedded therein is fixed to the support plate, and the upper mold is heated. It is configured separately from the means.

  In addition, as a temperature control means for the upper mold, a radiation thermometer is provided on the support plate, and a pressure cylinder and a detachable clamp device are provided on the mounting plate of the upper mold.

  In this way, the heating means and the upper side plate that is the heating object are separated and configured, and the high mold induction heating device is used as the heating means for the upper mold, so that the temperature of the upper mold during tire vulcanization is increased. The setting and temperature control are facilitated, and the tire vulcanization time can be shortened.

In the present invention, a bladder central mechanism that can be moved up and down and detachable is installed on the lower side plate that is movably mounted on the base plate as described above, and the lower side plate around the bladder central mechanism is the center. A lower mold is detachably installed on the top, and a sector mold divided into a plurality of circumferentially moving in a radial direction toward the bladder center mechanism is disposed around the lower mold, and the lower side plate and A support plate that can be raised and lowered is arranged on an upper side plate that is horizontally arranged at a predetermined interval, and an upper mold is placed on the lower surface of the support plate via an upper side plate that can be raised and lowered with heating means. The tire vulcanizing apparatus is provided with a guide means that is attached and has a means for expanding and contracting the sector mold as the support plate moves up and down. A Ya vulcanizing container device, as a heating means of the upper mold, since the high-frequency induction heating apparatus, in which excellent effects as follows.
(A) The electric cord connected to the heating means is not used, and therefore there is no problem of disconnection or contact failure of the electric cord.
(B) Since the heating means and the upper side plate as the heating object are separated, the structure is simplified, the temperature setting and temperature control of the upper mold during tire vulcanization is facilitated, and the tire is vulcanized. Time can be shortened.
(C) Since it is an induction heating system, a heat source such as an induction heating coil can be fixed, and the temperature can be recovered in a short time even if the upper side plate separates and dissipates heat. In other words, the temperature recovery is fast after matching even if the upper mold is separated from the heat source.
(D) Since a heat source such as an induction heating coil can be fixed to the upper mold, it is not necessary to follow the movement of the upper side plate, and the structure can be simplified.
(E) Since the upper side plate can be attached to and detached from the clamp device, the setup can be easily changed, and the workability can be improved.

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
Note that the same components as those in the conventional example are denoted by the same reference numerals and description thereof is omitted.

  FIG. 1 is a partially longitudinal front view when the upper mold 4 and lower mold 5 of the tire vulcanizing container device 1 embodying the present invention are opened, and FIG. 2 is a partially longitudinal front view when closed in FIG. 3 is an enlarged view of the heating means 17, and FIG. 4 is a bottom view taken along the line AA of FIG.

  The heating means 17 is installed on the support plate 12, and the heating means 17 of this embodiment uses a high frequency induction heating apparatus.

  As shown in FIGS. 3 and 4, electrodes 19 a and 19 b are attached to the heating means 17 of the high-frequency induction heating device via wires 18 a and 18 b, and these electrodes 19 a and 19 b penetrate the support plate 12. The induction heating coil 22 is embedded in a disk-shaped heating plate 21 disposed via the heat insulating plate 20.

  The induction heating coil 22 is disposed in a recess 23 formed on the bottom surface of the heating plate 21 via a heat insulating material 24, and the surface thereof is fixed by a plurality of pressing plates 25. Further, the upper side plate 2 to which the upper mold 4 is detachably mounted is disposed separately from the lower surface of the support plate 12, and the upper surface center of the upper side plate 2 is pressurized via a clamp device 26. The cylinder 15 is detachably connected.

  As the temperature control means of the upper mold 4, a radiation thermometer 27 is provided on the support plate 12, and the heating means 17 of the high-frequency induction heating apparatus is controlled and controlled while detecting the radiation thermometer 27. ing.

  In this embodiment, the oscillation frequency of the high-frequency induction heating device is set to 40 KHz to 60 KHz. However, the present invention is not limited to this oscillation frequency, and the size, weight, and material of the object to be heated are used. Is set arbitrarily. In addition, when the oscillation frequency of a high frequency induction heating apparatus is not appropriate with respect to a heating target object, a heating nonuniformity may arise and the malfunction that the whole temperature may not become constant may arise.

  In addition, 5 is a lower mold attached to the lower side plate 3, 6 is a sector mold that is divided into a plurality in the circumferential direction and moves up and down toward the center, and 8 includes a tire profile surface 7 of the molded tire W. A sector piece is shown. Reference numeral 9 denotes a back segment. A slide contact surface 10 having a predetermined inclination angle α is formed on the back side of each back segment 9, and the guide means 11 slidable on the slide contact surface 10 can be moved up and down. It is suspended from the support plate 12.

  In the embodiment of the present invention, the heating means 17 of the high-frequency induction heating device is installed on the support plate 12 as described above, and the upper mold 4 is configured to be separated from the upper side plate 2 that is detachably mounted. Even if the upper side plate 2 to which the upper mold 4 is detachably attached is moved up and down during the vulcanization process and separated from the heating means 17, the temperature setting can be arbitrarily controlled by induction heating.

  Further, since the heating means 17 is an induction heating system, a heat source such as an induction heating coil can be fixed, and even if the upper side plate 2 leaves and dissipates heat, the temperature can be recovered in a short time, and further a heat source such as an induction heating coil. Can be fixed to the upper mold 4, so that it is not necessary to follow the movement of the upper side plate 2, and the structure can be simplified.

  Further, since the upper side plate 2 can be attached to and detached from the clamp device 26, the setup change can be easily performed, and the workability can be improved.

It is a partially longitudinal front view when the upper mold and the lower mold of the container device for tire vulcanization embodying the present invention are opened. FIG. 2 is a partially longitudinal front view of FIG. 1 when closed. It is an enlarged view of a heating means. It is an AA arrow bottom view of FIG. It is a partial cross-sectional view of a conventional tire vulcanizing container device. It is an expanded sectional view of the conventional heating means.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Tire vulcanizing container apparatus 2 Upper side plate 3 Lower side plate 4 Upper mold 5 Lower mold 6 Sector mold W Molded tire 7 Tire profile surface 8 Sector piece 9 Back segment 10 Sliding contact surface 11 Guide means 12 Support plate 13 Heating means 13a Electric cord 14 Through hole 15 Pressure cylinder 16 Upper mold elevating cylinder 17 Heating means 18a, 18b Wiring 19a, 19b Electrode 20 Heat insulation plate 21 Heating plate 22 Induction heating coil 23 Recess 24 Heat insulation material 25 Press plate 26 Clamp device 27 Radiation temperature Total

Claims (5)

A bladder center mechanism that can be moved up and down and mounted on the lower side plate movably mounted on the base plate is installed, and the lower mold can be mounted on the lower side plate around the bladder center mechanism. And a sector mold divided into a plurality of circumferentially moving in a radial direction toward the bladder center mechanism is disposed around the lower mold, and horizontally disposed at a predetermined interval from the lower side plate. A support plate capable of raising and lowering provided with a heating means is provided on the arranged upper side plate, and an upper mold is mounted on the lower surface of the support plate via the upper side plate capable of raising and lowering, and the support plate is raised and lowered. Tire vulcanizing container device in a tire vulcanizing device provided with a guide means for expanding and contracting the sector mold along with There,
A container device for vulcanizing a tire, wherein a high-frequency induction heating device is used as a heating means for the upper mold. The container apparatus for tire vulcanization according to claim 1, wherein a hot platen in which an induction heating coil is embedded is provided between the support plate and the upper mold. The container device for tire vulcanization according to claim 2, wherein the heating plate in which the induction heating coil is embedded is fixed to the support plate, and the upper mold is separated from the heating means. The container apparatus for tire vulcanization according to claim 1, wherein a radiation thermometer is provided on the support plate as temperature control means of the upper mold. The container device for tire vulcanization according to claim 1, 2, 3, or 4, wherein a clamping device that is detachable from a pressure cylinder is provided on a mounting plate of the upper mold.

Images