JP2001054913A - Tire-vulcanizing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tire vulcanizing apparatus suitable for flexible manufacturing wherein frequent mold exchanges, i.e., a change of a kind of a tire to be produced can be frequently carried out by preparing a plurality of sets of a tire mold fabricated body in advance. SOLUTION: A tire vulcanizing apparatus is equipped with a plurality of lines of a tire vulcanizing station C11 or the like for vulcanizing a tire by containing a plurality of sets of a tire mold fabricated body; a mold opening and closing station OP1 which is arranged at one line end side of the vulcanizing station, opens and closes a tire mold by receiving the mold fabricated body M, and carries out taking out or the like of a vulcanized tire T; a mold changing station MC1 which is arranged to the other line end side of the vulcanizing station C11 or the like, and carries out a change of the tire mold; an end part storing station KT1 which is arranged to the change station MC1 side, and stores a plurality of sets of a preliminary tire mold fabricated body PM; and first and second mold transporting apparatuses T1 and T2 which are arranged between respective stations, and transport the mold fabricated body M.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tire vulcanizing facility for performing vulcanization of a tire, opening and closing of a mold, replacement of a mold, and the like.

[0002]

2. Description of the Related Art In a conventional fully automatic tire vulcanizing press, the unvulcanized reaction time is longer than a vulcanization reaction time in which a heating and pressurizing medium is introduced into a tire with a tire mold assembly closed. Since the work time for loading, shaping, and removing the vulcanized tire is very short, a tire mold opening / closing device and a tire loading / unloading device that open and close the tire mold assembly for loading / unloading of the tire, etc. There was a problem that the operation rate was poor. Therefore, the present applicant has already proposed a tire vulcanizing facility disclosed in Japanese Patent Application Laid-Open No. 7-80846.

[0003] This tire vulcanizing equipment is shown in Figs.
As shown, vulcanization stations 501a, 501b,
Mold opening / closing stations 502a, 502b, tire mold transport vehicles 503a, 503b, tire mold transport vehicle rails 504, mold platforms 505a, 505b,.
Unloader 507a, loader 508a, vulcanized tire transport conveyor 509a, unvulcanized tire rack 5
10a and a mold changing station (for exchanging a tread mold, a sidewall mold and the like in the tire mold assembly Ma in accordance with a change in the specification of the vulcanized tire, exchanging a bladder as a consumable, and the like) 511 It consists of.

In such a tire vulcanizing equipment, a vulcanized tire mold Mc is transported from a vulcanization station 501a (or 501b) in which a plurality of tire mold assemblies Mc being vulcanized are arranged. The cart 503a (or 50)
3b), the mold opening / closing station 502a
(Or 502b). After the tire mold assembly Mc transported to the mold opening / closing station 502a is coupled to the tire mold opening / closing apparatus 506a (or 506b), the tire mold assembly Mc is opened by the tire mold opening / closing apparatus 506a and attached to the tire mold opening / closing apparatus 506a. Unloader 5
07a, the vulcanized tire is carried out, the unvulcanized tire is carried in by the loader 508a attached to the tire mold opening / closing device, and the tire is shaped during the tire mold closing process. After closing the three-dimensional Mc, a heating / pressurizing medium is introduced into the tire, sealed therein, and the tire vulcanizing process is started. Next, the bonding between the tire mold assembly Mc which has started the vulcanization and the tire mold opening / closing device 506a is released, and is again mounted on the tire mold carrier 503a and transported to the vulcanizing stations 501a, 501b,. return.

[0005]

However, in the conventional tire vulcanizing equipment described above, the heating and pressurizing medium in the bladder is discharged to each vulcanizing station in order to shorten the operation time at the mold opening / closing station. The discharge device (control valve and piping) is provided in order to reduce the cost. In particular, it is economically disadvantageous if this system in which a control valve and piping for vulcanization control are individually provided as equipment for mass-producing tires having the same vulcanization time. In addition, when the conventional tire vulcanizing equipment is applied as a production equipment for small tires such as tires for passenger cars, the vulcanization time of which is as short as, for example, 8 to 12 minutes, the following is required. That is, the time from when the mold transporter receives the tire mold at the vulcanization station, finishes the work at the mold opening and closing station, and transports the closed tire mold assembly again to the vulcanization station. Need to be as short as possible. The reason is that, when the mold transporter transports the mold assembly, the time interval between transporting the next mold becomes longer because the same transporter is used for both reciprocation, and the tire vulcanizing equipment This is because it is not possible to increase the number of tire dies constituting the above, and there is a disadvantage that the economic efficiency is reduced.

The applicant of the present invention has proposed a tire vulcanizing apparatus which solves the above-mentioned disadvantage (Japanese Patent Application No. 10-4317).
No. 4), in this tire vulcanizing facility, when replacing a mold assembly used in the system with another new mold assembly for the sake of production, etc., the tire assembly is prepared in another place in advance. It is necessary to transfer the used mold assembly using a transport device such as a forklift. That is, after performing the unloading operation (T1) of the die assembly outside the system and the loading operation of the new die assembly (T2), the preheating station preheats (T3) to prepare for the die change. . Therefore, the allowable mold change frequency (time interval of mold change)
Is limited to the total of the times T1 to T3. For example, if T1 and T2 are each 15 minutes and T3 is two and a half hours, the mold can be changed only approximately every three hours.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to prepare a plurality of sets of tire molds in advance, thereby frequently changing the molds, that is, the types of tires to be produced. It is an object of the present invention to provide a tire vulcanizing equipment suitable for small-lot production of various kinds, which can be changed frequently.

[0008]

In order to solve the problems of the prior art, according to the present invention, a plurality of rows of tires are vulcanized by accommodating a plurality of movable tire mold assemblies. A vulcanizing station, which is disposed at one end of the tire vulcanizing station, receives the tire mold assembly, opens and closes a tire mold, takes out a vulcanized tire, and inserts an unvulcanized tire. A mold opening / closing station, which is provided on the other row end side of the tire vulcanizing station, and a mold exchanging station for exchanging tire molds, and a plurality of sets are arranged on the same mold exchanging station side. An end storing station for storing the spare tire mold assembly of the present invention, and the tire vulcanizing station, the mold opening / closing station, the changing station, and the end storing station. , And a first mold transporting device and the second mold transporting device for transporting the tire mold assembly.

The present invention also provides a plurality of rows of tire vulcanizing stations for accommodating a plurality of movable tire mold assemblies and vulcanizing the tires, and is provided above the tire vulcanizing stations. An upper storage station provided with a mold storage shelf for storing a plurality of sets of spare tire mold assemblies, and an upper storage station provided at one row end of the tire vulcanizing station;
Receiving the tire mold assembly to open and close the tire mold,
A mold opening / closing station for taking out a vulcanized tire and inserting an unvulcanized tire, and a mold changing station arranged on the other row end side of the tire vulcanizing station for exchanging a tire mold, The tire vulcanization station,
A first mold carrier and a second mold carrier are provided between the upper storage station, the mold opening / closing station, and the change station, and carry the tire mold assembly.

Further, the present invention provides a plurality of rows of tire vulcanizing stations for accommodating a plurality of movable tire mold assemblies and vulcanizing the tire, and is provided on the upper part of the tire vulcanizing station. An upper storage station provided with a mold storage shelf for storing a plurality of sets of spare tire mold assemblies,
A mold opening / closing unit that is disposed at one end of the tire vulcanizing station, receives the tire mold assembly, opens and closes a tire mold, takes out a vulcanized tire, and inserts an unvulcanized tire. A plurality of sets of spare tire dies disposed on the other side of the tire vulcanizing station and exchanging tire dies. An end storing station for storing an assembly, and the tire mold assembly disposed between the tire vulcanizing station, the upper storing station, the mold opening / closing station, the changing station, and the end storing station; And a second die transport device for transporting the first die transport device.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail based on illustrated embodiments. Here, FIG. 1 is a plan view of the tire vulcanizing equipment according to the first embodiment of the present invention, FIG. 2 is a side view thereof, and FIG. 3 is a front view thereof. As shown in FIG. 1, the tire vulcanizing equipment according to the first embodiment accommodates a plurality of movable tire mold assemblies M (M11 to M33) and vulcanizes the tires. Station C11
C33, and one of the row ends of the tire vulcanizing stations C11 to C33, which receive the tire mold assembly M, open and close the tire mold, take out the vulcanized tire T, and take out the unvulcanized tire. Mold opening / closing station O for inserting GT
P1, a mold exchanging station MC1 arranged on the other row end side of the tire vulcanizing stations C11 to C33 for exchanging the tire mold assembly M, and a mold exchanging station MC1 arranged on the mold exchanging station MC1 side. Sets of spare tire mold assemblies P
M, an end storing station KT1, a tire vulcanizing station C11 to C33, a mold opening / closing station OP1, a mold changing station MC1, and an end storing station KT1.
The apparatus includes a first tire mold transport device T1 and a second tire mold transport device T2 for transporting PM. Also,
It is arranged on the mold loading side of the mold opening / closing station OP1,
Discharge station OP2 for discharging the heating / pressurized medium inside the bladder assembly of tire mold assembly M carried from tire vulcanizing stations C11 to C33, and disposition on the mold discharge side of mold opening / closing station OP1. A heating chamber of the tire mold assembly M and a supply station OP3 for supplying a heating / pressurizing medium to the inside of the bladder assembly are provided.

The first row of vulcanizing stations C11, C1
2, C13 are arranged so that their centers are aligned,
In parallel with this, vulcanization stations C21 and C2 in the second row
2. Further third row vulcanization stations C31, C32, C
33 are arranged. In the present embodiment shown in FIG. 1, a total of eight vulcanizing stations are provided.
The number of vulcanization stations may be increased by adding C23 and C34. These vulcanizing stations C11 to C
33 includes a plurality of sets of traveling guide rollers Cf provided on the gantry Co. The traveling guide rollers Cf cause the tire mold assemblies M11 to M33 to move in respective moving directions (for example, from the vulcanizing station C11). It is arranged so as to be movable in the direction of C21 and in the direction from C21 to C31. Since the tire mold assembly moves during operation, it is not possible to specify and indicate which mold assembly is M11 in FIG. Therefore, the position of the vulcanization station C11 in FIG.

Each vulcanizing station C11
A positioning device (not shown) for moving the mold assembly M is provided on the mount of C33 to C33, and the tire mold assembly M is fixed at a predetermined position by the positioning device, or the positioning device for the same is fixed. The fixation is released.

A mold opening / closing device OP is provided at one of the row ends of the vulcanizing stations C11 to C33.
As shown in FIGS. 1 and 2, the mold opening / closing device OP includes a frame OPa erected on a gantry OPj, a frame OPa
a for unloading a known unvulcanized tire GT which can be moved up and down near the side of a and reciprocally swingable between a center position (die opening / closing station) OP1 of the die opening / closing device OP and a standby position. A loader OPg, a known unloader OPh for carrying out the vulcanized tire T, which is disposed at a position similar to the loader OPg, but on the opposite side to the loader OPg, and a side on which the loader OPg and the unloader OPh of the frame OPa are mounted. A lift guide rail OPe provided on another side surface, a guide bracket OPd sliding on the lift guide rail OPe, an upper movable plate OPc fixed to the guide bracket OPd,
A known split mold opening / closing operation device OPi (not shown) provided at the center of the upper movable plate OPc, a plurality of sets having one end fixed to the frame OPa and the other end fixed to the upper movable plate OPc. Of the lifting cylinder OPb.

The upper movable plate OPc is provided with a mold connecting device OPk (not shown) for connecting / disconnecting the upper movable plate OPc and the upper plate of the tire mold assembly M. A guide roller OPf similar to the vulcanizing stations C11 to C33 and a positioning device (not shown) for the moved tire mold assembly M are provided on the upper surface of the gantry OPj. Further, in the central portion of the gantry OPj, that is, in the mold opening / closing station OP1, an operating device (not shown) of the bladder assembly (not shown) incorporated in the tire mold assembly M and a vacuum are applied to the bladder assembly. An internal pressure pipe connection device (not shown) for supplying a pressure and a pre-shaping (shaving) medium is provided.

A mold opening / closing station O of the gantry OPj.
At an intermediate position between Pl and the stop position T20 of the second tire mold carrier T2, an internal pressure pipe connecting device for discharging the heated and pressurized medium inside the bladder assembly of the moved tire mold assembly M. A heating / pressurized medium discharging station OP2 (not shown) is provided. A bladder assembly of the tire mold assembly M sent from the mold opening / closing station OP1 is located at an intermediate position between the mold opening / closing station OP1 of the gantry OPj and the stop position T10 of the first tire mold transport apparatus T1. It has an internal pressure pipe connection device (not shown) for supplying a heating and pressurizing medium inside, and an external pressure pipe connection device (not shown) for supplying a heating medium to the external heating chamber of the tire mold assembly M. A heating / pressurizing medium supply station OP3 is provided. The internal pressure pipe connecting device and the external pressure pipe connecting device are disclosed in Japanese Patent Application Laid-Open No. 7-80846 by the present applicant.

At the other end of the vulcanizing stations C11 to C33 (on the opposite side of the mold opening / closing device OP), a mold changing device MC is provided. This mold changing device M
C has the same structure as the mold opening / closing device OP, but has a loader OPg for loading an unvulcanized tire, an unloader OPh for carrying out a vulcanized tire, and a split mold opening / closing operation device OP.
Only the point that i is not provided is different from the mold opening and closing device OP. That is, as shown in FIGS. 1 and 3, the mold changing device MC includes a frame MCa, a lifting cylinder MC,
b, upper movable plate MCc, guide bracket MCd, lifting guide rail MCe, traveling guide roller MCf, mount MC
j, a mold connecting device (not shown). A mold standby station MC2 is provided at an intermediate position between the mold exchanging station MCl and the stop position T14 of the first tire mold transport device T1. Further, a preheating station having a mold preheating device (not shown) can be provided at an intermediate position between the mold changing station MC1 and the stop position T24 of the second tire mold transport device T2. In this case, the traveling guide rollers MCf and the respective station positions MC1, M
A positioning device (not shown) at C2 is provided, and an external pressure pipe connection device (not shown) is provided at the preheating station.

The end storing station KT1 is disposed on the other row end side of the vulcanizing stations C11 to C33 with the mold changing station MC1 interposed therebetween. The spare tire mold assembly PM is provided at the vulcanization stations C11 to C
33 is a mold assembly of a different type from the tire mold assembly M accommodated in the first and second tire mold transport vehicles T1b, T2b, the front positions of the stop positions T15, T25, and the first and second tire mold carriers T1b, T2b. In order to be stored at the front positions of the stop positions T16 and T26 of the second tire mold transport vehicles T1b and T2b, they are arranged in two rows on the gantry Ko in a total of four sets in a planar manner. Further, in such an end storing station KT1, the spare tire mold assembly PM is heated and kept at the operating temperature (for example, 170 to 180 ° C.) so that it can be used immediately when needed. From the viewpoint of thermal efficiency, the spare tire mold assembly PM
Is heated to a temperature lower than the operating state (for example, a primary preheating of 100 ° C.), and when necessary, is heated to and maintained at the secondary preheating of the operating state. The secondary preheating may be performed in a dedicated preheating station.

The tire vulcanizing stations C11 to C1
3, C21 to C22, C31 to 33, mold opening and closing device O
P, die changing device MC and end storage station KT1
A first tire mold transport device T1 and a second tire mold transport device T2 are provided opposite to each other. The first tire mold transport device T1 includes a stop position T10 in front of the heating / pressurizing medium supply station OP3, a stop position T11, T12, T13 in front of each of the vulcanizing stations C11, C12, C13, Stop position T14 in front of the mold standby station MC2 and stop positions 15, 1 in front of the end storage station KT1, respectively.
6 and can be stopped as needed. Further, the second tire mold transport device T2 is provided with a stop position T in front of the heating / pressurizing medium discharging station OP2.
20, stop positions T21, T22, T23 in front of the vulcanizing stations C31, C32, C33, and stop positions T24 in front of the mold changing station MC1.
And between the stop positions 25, 26 in front of the end storage station KT1, respectively, and can be stopped as required.

Since the first tire die transport device T1 and the second tire die transport device T2 have the same configuration, only the first tire die transport device T1 will be described. In the first tire mold transport device T1, a mount Tlc is provided with a vulcanizing station C.
11, C12, C13, the mold changing station MC1, and the end storage station KT1. A plurality of sets of guide rollers Tld are installed on the gantry Tlc, and a transport vehicle on the guide rollers Tld. Tlb is set at the vulcanizing station C1 by a known driving device (not shown).
1, C12, C13, the mold changing station MC1, and the end storage station KT1. A plurality of sets of guide rollers Tla are provided on the upper surface of the first tire mold transport cart Tlb. The upper surface of the guide roller Tla is the guide roller OPf of the gantry OPj,
The guide rollers Cf of the vulcanizing stations C11, C12, C13, the guide rollers MCf of the mount MCj, and the mount Ko of the end storage station KT1 are set to have the same height level. Also, the first tire mold carrier Tl
b, a mold moving device (not shown) used for moving the tire mold assembly M between the heating / pressurizing medium supply station OP3 and the vulcanization stations C11, C12, C13. . For the mold moving device (not shown), refer to Japanese Patent Application Laid-Open No. 8-192429 by the present applicant. For details of the tire mold assembly M, refer to JP-A-8-47928 and JP-A-9-29746 by the present applicant.

Next, the operation of the tire vulcanizing equipment according to the first embodiment of the present invention will be described. (1) Tire mold assembly M of vulcanization station C32
32, the second tire mold carrier T2b moves and the vulcanization station C32
At a stop position T22 in front of the vehicle. (2) Then, the mold take-up arm on the table of the second tire mold carrier T2b is moved to the vulcanization station C32.
And connected to the lower part of the tire mold assembly M32. (3) The mold take-up arm is retracted, the tire mold assembly M32 slides on the guide rollers Cf group of the vulcanizing station C32, and then the second tire mold carrier T
The rider rides on the group of guide rollers T2a on 2b and slides, and stops when it reaches a predetermined position on the table of the truck. (4) When the tire mold assembly M32 is stopped, the lower portion of the tire mold assembly M32 is moved to the second tire mold carrier T2.
b, while the second tire mold carrier T2b moves toward the mold opening / closing device OP and stops at the stop position T20. (5) After the stop, the mold take-up arm of the second tire mold carrier T2b is extended in the direction of the discharge station OP2, and thereafter, the mold take-up arm is connected to the lower part of the tire mold assembly M32. Is released, and the tire is pulled in the direction of the second tire mold carrier T2b. Thereafter, the second tire mold carrier T2b is moved to the stop position (T21, T22) in front of the vulcanization station where vulcanization is to be finished next.
Or, it moves to T23) and waits. on the other hand,
When the mold assembly M32 stops at the position of the ejection station OP2, the internal pressure ejection device is connected, and the heating / pressurizing medium inside the bladder assembly of the tire mold assembly M32 is ejected. Then, the apparatus waits until the mold opening / closing device OP can receive the mold assembly. (6) In the mold opening / closing device OP, the tire mold assembly M3
The tire mold assembly brought in before 2 is carried out to the heating / pressurizing medium supply station OP3 after completing a predetermined operation. Also, the upper movable plate OPc of the mold opening / closing device OP.
Is waiting at a position slightly higher than the tire mold assembly M32 so as not to hinder the movement of the moving tire mold assembly M32. (7) When the tire mold assembly M32 stops at the center position (mold opening / closing station) OP1 of the mold opening / closing device OP, the lower portion of the tire mold assembly M32 is fixed,
The upper movable plate OPc descends and is connected to the upper portion of the tire mold assembly M32. (8) Next, the upper movable plate OPc starts rising, and the split mold device OPi at the center of the upper movable plate OPc.
(Not shown) is activated, and the upper mold starts to open. When the upper movable plate OPc continues to rise, the upper mold is completely opened and reaches the uppermost position. The vulcanized tire T is left on the lower mold, and a bladder assembly (not shown) provided at the center of the lower mold of the tire mold assembly is attached to the lower center of the mold opening / closing device OP. The bladder B is peeled from the inside of the tire by operating a bladder driving device (not shown) provided in the tire. (9) At an appropriate time, the unloader OPh enters and descends, grips the upper bead of the vulcanized tire T on the lower mold, and lifts up to carry out the vulcanized tire T. The unloaded tires are transported to the next step on an unloading conveyor (not shown) or the like. (10) At an appropriate time, the loader OPg enters and descends while grasping the unvulcanized tire GT, places the unvulcanized tire GT on the lower mold, and operates the bladder driving device. , The bladder B is inserted into the unvulcanized tire GT. Then, at an appropriate time, the loader OPg releases the grip of the unvulcanized tire GT, and moves up and retreats. (11) Next, the upper movable plate OPc descends, and the opened upper die moves to the closed position. After the closing of the upper mold, the connection between the upper movable plate OPc and the upper mold is released, and the upper movable plate OPc rises to a height that allows the tire mold assembly M32 to pass through, while the tire mold assembly M32 is closed. The lower part of is released. Then, the tire mold assembly M32
Moves to stop at the heating / pressurizing medium supply station OP3, the internal pressure supplying device and the external pressure supplying device are connected to the tire mold assembly M32, and the heating / pressurizing medium is supplied to start the vulcanization of the tire. You. The heating / pressurizing medium is sealed by a check valve provided in the mold assembly. During the above operation, the first tire mold transport cart Tlb is waiting at the stop position T10. (12) The mold take-up arm is extended from the first tire mold carrier Tlb, and is connected to the lower part of the tire mold assembly M32. Next, the arm is retracted, and the tire mold assembly M32 slides on the guide rollers OPf group,
Further, the guide roller T on the first tire mold transporting trolley Tlb.
I transfer to the group of la and slide, and stop at a predetermined position. (13) The lower part of the tire mold assembly M32 is fixed to the first tire mold carrier Tlb, and the first tire mold carrier T1b moves along the vulcanizing station and stops. The stop position is determined by the operation explanations (1) and (2).
And the tire mold assembly M32 moved in (3).
Is a stop position T12 in front of the vulcanizing station C12 arranged side by side. After the tire mold assembly M32 has been picked up by the second tire mold carrier T2b, the vacant vulcanization station C32 is subsequently replaced with a vulcanized tire mold assembly from the adjacent vulcanization station C22. M
22 and vulcanizing station C22 is moved from vulcanizing station C12 to tire mold assembly M12.
Has been moved. Therefore, the vulcanizing station C12 on the first tire mold transporting trolley Tlb side is empty, and can accept the mold assembly M32 which has been subjected to the predetermined operation by the mold opening / closing device OP. ing. (14) When the first tire mold carrier T1b stops at the stop position T12 in front of the vulcanizing station C12, the fixing of the tire mold assembly M32 is released, and then the first tire mold carrier T1b. The arm of T1b is extended, slides on the guide rollers Tla on the trolley, moves on to the guide rollers Cf of the vulcanizing station C12, slides, and stops. (15) After stopping, the arm is retracted in the direction of the carriage, the carriage moves to the position T10 on the mold opening / closing device side, stops, and waits for receiving the next tire mold assembly.

In the tire vulcanizing equipment according to the first embodiment of the present invention, the operation at the time of producing a tire and the operation procedure of replacing a tire mold device during the production are as follows. That is, when a tire is manufactured, as shown in the above description of operation, the tire mold assembly M after vulcanization is moved from the exit side of the vulcanization station to the mold opening / closing device OP by the second tire mold carrier T2b. After performing a predetermined operation there, the tire is returned to the entrance side of the vulcanization station by the first tire mold transport device T1 to continue vulcanization.

During the production, the tire mold assembly M
In the case of exchanging with the spare tire mold assembly PM of the end storage station KT1, the following operation procedure is performed. (1) After the final vulcanization, the tire mold assembly M is taken out of the vulcanized tire according to the procedure described in the above items (1) to (9), and then without inserting an unvulcanized tire. Close the mold. (2) Thereafter, after the operation of the above (11) and (12) is completed, the first tire mold carrier Tlb moves along the vulcanization station, and takes out the system and the end of the second carrier carrier. In the case of storing in the department storage station, the die assembly is stopped at the stop position 14 to deliver the die assembly, and in the case of storing in the end storage station on the side of the first transport trolley, the stop is at the stop position 15 or 16. Then, the first tire mold transport cart Tlb moves to the stop position T10 on the supply station OP3 side and stops, and waits until the next tire mold assembly is received. (3) On the other hand, during this time, the second tire mold carrier T2
b moves along the vulcanization station and stops at the stop position T25 or 26 in front of the end storage station KT1. Then, the mold take-up arm is extended from the second tire mold carrier T2b, and the temperature in the operating state (secondary preheating)
At the bottom of the spare tire mold assembly PM. (4) Next, the arm is retracted, and the spare tire mold assembly PM moves on the guide rollers T2a on the second tire mold transport cart T2b, slides, stops at a predetermined position, and is loaded. (5) Thereafter, the lower part of the spare tire mold assembly PM is fixed to the second tire mold carrier T2b, and the second tire mold carrier T2b moves to the mold opening / closing device OP and stops at the stop position T20. And the mold of the spare tire mold assembly PM is opened by the mold opening / closing device OP, and the unvulcanized tire G
Receiving the supply of T, tire production starts.

During the production, the tire mold device, the bladder, and the like of the tire mold assembly M (including the spare tire mold assembly PM) are replaced due to periodic inspection, damage to the mold and the bladder, and the like. In this case, the following operation procedure is performed. (1) After the final vulcanization, the tire mold assembly M is taken out of the vulcanized tire according to the procedure described in the above items (1) to (9), and the mold is inserted without inserting an unvulcanized tire. Close. (2) Thereafter, after the operations in the above (11) and (12) are completed, the first tire mold transporting trolley Tlb moves along the vulcanizing station and stops at the stop position T14 in front of the mold changing apparatus MC. I do. (3) When the first tire mold carrier Tlb stops,
The fixing of the tire mold assembly M is released.
The arm of the tire mold carrier Tlb is extended and slides on the group of guide rollers T1a on the carrier, and the mold changing device MC
And slides at the guide roller MCf group, and stops at the center position (die changing station) MCl of the die changing device MC. (4) After the tire mold assembly M stops, the arm is disconnected from the lower part of the tire mold assembly M and is retracted in the direction of the bogie. Next, the first tire mold carrier T
1b is a stop position T in front of the mold opening / closing device OP which moves.
Stop at 10 and wait. (5) When the tire mold assembly M stops, the lower portion of the tire mold assembly M is fixed. (6) The worker engaged in the mold exchanging work removes the connecting bolts between the upper plate and the lower plate of the tire mold assembly M and the tire mold device in the same manner as the operation performed by the conventional vulcanizer. Remove. (7) Thereafter, the upper plate of the mold changing device MC descends,
It is connected to the upper plate of the tire mold assembly M. When the upper plate is raised, the tire mold device is left below. (8) The operator takes out the used tire mold device using a forklift truck or the like, and loads and installs a new tire mold device prepared in advance. (9) The upper movable plate MCc is lowered, and the upper plate of the mold assembly M is placed on a new tire mold device. Then
After the upper movable plate MCc has been lifted, the operator proceeds to (6) above.
Attach the bolts removed in section. (10) Thereafter, the tire mold assembly M moves to a position of an adjacent mold preheating device (not shown) and stops.
Then, after the stop, the external pressure supply device is connected to the tire mold assembly M, the heating medium is supplied, and the temperature rise of the tire mold is started. (11) The tire mold assembly M heated to a predetermined temperature is transported to the mold opening / closing device OP by the second tire mold carrier T2b at an appropriate time, and the mold is opened, and the unvulcanized tire is opened. Tire production starts with the supply of GT.

In the tire vulcanizing equipment according to the first embodiment of the present invention, an end storage station KT1 is added on the other row end side of the vulcanization stations C11 to C33, opposite to the mold opening / closing station OP1. And vulcanization stations C11 to C3 are located at the same end storage station KT1.
Since the tire mold assembly M of No. 3 and four spare tire mold assemblies PM of different types are stored, if the molds are exchanged at regular intervals, the metal is exchanged at a rate of about once every 45 minutes. The mold can be changed, and the mold can be changed more frequently (about 3 hours) than in the past. In addition, if it is within the range of a tire mold assembly prepared in advance, it is possible to flexibly respond to a change in the production plan after preparation. This is particularly effective when producing and shipping tires according to the production specifications of the line. Moreover, the spare tire mold assembly PM is heated to the operating state temperature (secondary preheating) or at a temperature lower than the operating state temperature (primary preheating) at the end storage station KT1, and becomes necessary. At this point, since the heat is maintained at the operating temperature, the mold replacement operation can be performed more quickly, and the productivity of the tire can be improved.

4 to 6 show a tire vulcanizing facility according to a second embodiment of the present invention. FIG. 4 is a plan view, FIG. 5 is a side view, and FIG. 6 is a front view. The difference between the tire vulcanizing equipment of the second embodiment and the tire vulcanizing equipment of the first embodiment is that the end storage station KT1 of the first embodiment has a two-story structure as shown in FIGS. Mold storage shelf SO
The spare tire mold assembly PM is arranged three-dimensionally in the upper and lower two stages by the same mold storage shelf SO in eight sets in total, and the first and second tires are provided. Transport carts T1b ', T2b' of the mold transport devices T1, T2
Has a mold mounting table that can be moved up and down by a pantograph method or the like.

The operation of the tire vulcanizing equipment according to the second embodiment is as follows.
Since it is the same as the tire vulcanizing equipment of the first embodiment, the description is omitted. However, the procedure for replacing the tire mold assembly M and the spare tire mold assembly PM is as follows.
Since the embodiment is slightly different from the first embodiment, this will be described. (1) When the used tire mold assembly M is taken out according to the procedure of the mold replacement explanation (1) and (2), the second tire mold carrier T2b 'moves along the vulcanizing station. And a stop position T in front of the end storage station KT1.
Stop at 25 or 26. Then, when replacing with the spare tire mold assembly PM stored on the second floor of the mold storage shelf SO, the mold mounting table of the second tire mold carrier T2b 'rises, and the mold storage shelf SO Located at the same height as the second floor. In this state, the second tire mold carrier T2
The mold take-up arm is extended from b 'and connected to the lower part of the spare tire mold assembly PM at the operating temperature (secondary preheating). When replacing the spare tire mold assembly PM stored on the first floor of the mold storage shelf SO, the same operation procedure as in the first embodiment is performed. (2) Next, the arm is retracted, and the spare tire mold assembly PM moves onto the group of guide rollers T2a on the second tire mold carrier T2b ', slides, stops at a predetermined position, and is loaded. (3) Thereafter, when the lower portion of the spare tire mold assembly PM is fixed to the second tire mold transport vehicle T2b ', the mold mounting table descends and returns to the original height position. Next, tire production is started in accordance with the procedure described in the section (1) for exchanging the mold. When the spare tire mold assembly PM is stored in the mold storage shelf SO of the end storage station KT1,
The first tire mold carrier T1b 'closes the mold of the spare tire mold assembly PM without inserting the unvulcanized tire at the stop position T10 on the side of the supply station OP3, receives this, and receives the stop position T15 or Move to T16 and stop. Thereafter, the mold mounting table of the first tire mold transport vehicle T1b 'is raised, and the spare tire mold assembly PM is loaded on the mold storage shelf SO. Other operations are the same as those in the first embodiment.

In the tire vulcanizing equipment according to the second embodiment of the present invention, an end storage station KT1 is added on the other row end side of the vulcanization stations C11 to C33 and on the side opposite to the mold opening / closing station OP1. And four sets of spare tire mold assemblies PM of different types from the tire mold assemblies M of the vulcanization stations C11 to C33 are placed in the mold storage shelf SO of the same end storage station KT1 in two stages. Since the number of spare tire mold assemblies can be increased without changing the equipment area, the mold can be changed more frequently due to a change in the type of tire than in the first embodiment.

7 to 9 show a tire vulcanizing equipment according to a third embodiment of the present invention. FIG. 7 is a plan view, FIG. 8 is a side view, and FIG. 9 is a front view. The difference between the tire vulcanizing equipment of the third embodiment and the tire vulcanizing equipment of the first embodiment is that the end storage station KT1 of the first embodiment is not provided as shown in FIGS. And an upper portion provided with a mold storage shelf SO that is disposed above vulcanizing stations C11 to C13 and C31 to C33 and stores a plurality of sets (six in the present embodiment) of spare tire mold assemblies PM. Having a storage station KT2 and a transport trolley T of the first and second tire die transporters T1 and T2.
1b 'and T2b' have a mold mounting table that can be moved up and down by a pantograph method or the like as in the second embodiment. That is, in the tire vulcanizing equipment of the third embodiment, the spare tire mold assembly PM and the tire mold assembly M are three-dimensionally arranged in two stages by the mold storage shelf SO. The operation of the tire vulcanizing equipment according to the third embodiment is the same as that of the tire vulcanizing equipment according to the first embodiment, and the tire mold assembly M and the spare tire mold assembly P
The operation procedure for exchanging M is the same as that of the second embodiment, and a description thereof will be omitted.

In the tire vulcanizing equipment according to the third embodiment of the present invention, vulcanizing stations C11 to C13, C31 to C
An upper storage station KT2 is disposed above the upper part 33, and six sets of spare tire die assemblies PM of different types from the tire die assembly M are stored in the die storage shelf SO of the upper storage station KT2. Therefore, the equipment area can be minimized, and dies can be changed more frequently in accordance with a change in the type of tire than in the first and second embodiments. In addition, since the heat radiation energy generated in the vulcanization station on the first floor can be used for the preheating energy in the upper storage station KT2 on the second floor, the spare tire mold assembly PM can be easily brought to the operating temperature. , And cost can be reduced.

10 to 12 show a tire vulcanizing facility according to a fourth embodiment of the present invention. FIG. 10 is a plan view, FIG. 11 is a side view, and FIG. 12 is a front view. The tire vulcanizing equipment according to the fourth embodiment is a combination of the first to third embodiments, as shown in FIGS. 10 to 12, and the first vulcanizing station is related to the vulcanizing stations C11 to C33. An end storage station KT1 of the form, a mold storage shelf SO of the second embodiment, and an upper storage station KT2 of the third embodiment are provided, and transport vehicles T1b 'and T2b' similar to those of the first and second embodiments are provided. Is provided. That is, in the tire vulcanizing facility of the fourth embodiment, a total of four sets of spare tire mold assemblies PM are three-dimensionally arranged at the end storage station KT1 in two upper and lower stages by the mold storage shelf SO. Sulfuration stations C11 to C13, C3
A total of six spare tire mold assemblies P on the upper part of 1 to C33
M and the tire mold assembly M are three-dimensionally arranged in two stages, upper and lower. The operation of the tire vulcanizing equipment of the fourth embodiment is the same as that of the tire vulcanizing equipment of the first embodiment, and the tire mold assembly M and the spare tire mold assembly PM
The operation procedure in the case of exchanging
The description is omitted because it is similar to the embodiment.

In the tire vulcanizing equipment according to the fourth embodiment of the present invention, the end storage station KT1 of the first embodiment is provided, and the mold storage shelf SO of the second embodiment is provided at the end storage station KT1. In addition, since the upper storage station KT2 of the third embodiment is provided by the mold storage shelf SO, a synergistic effect obtained by combining the respective embodiments can be obtained.

The embodiment of the present invention has been described above.
The present invention is not limited to the embodiments described above, and various modifications and changes can be made based on the technical idea of the present invention. For example, although the vulcanizing stations C11 to C23 of the first embodiment in FIG. 1 are shown in three rows, the present invention is not limited to this, and may be two rows, four rows, or the like.

[0034]

As described above, the tire vulcanizing equipment according to the present invention comprises a plurality of rows of tire vulcanizing stations for accommodating a plurality of movable tire mold assemblies and vulcanizing the tire.
It is located at one end of the tire vulcanizing station,
Receiving the tire mold assembly to open and close the tire mold,
A mold opening / closing station for taking out a vulcanized tire and inserting an unvulcanized tire, and a mold changing station arranged on the other row end side of the tire vulcanizing station for exchanging a tire mold, An end storing station disposed on the mold changing station side for storing a plurality of sets of spare tire mold assemblies; the tire vulcanizing station, the mold opening / closing station, the changing station, and the end storing station; And a first mold carrier and a second mold carrier for carrying the tire mold assembly. Therefore, in the tire vulcanizing facility of the present invention, the work of transporting the tire mold assemblies between the respective stations can be performed independently and simultaneously, and the spare tire mold assemblies stored in the end storage stations are used. By doing so, it is possible to frequently change the molds due to the change in tire type. A sulfuric acid facility can be provided.

Further, the tire vulcanizing equipment of the present invention comprises a plurality of rows of tire vulcanizing stations for accommodating a plurality of movable tire mold assemblies and vulcanizing the tire, and an upper part of the tire vulcanizing station. An upper storage station provided with a mold storage shelf for storing a plurality of sets of spare tire mold assemblies; and an upper storage station provided at one row end side of the tire vulcanizing station, wherein the tire mold is provided. A mold opening / closing station that receives the assembly, opens and closes a tire mold, removes a vulcanized tire, and inserts an unvulcanized tire, and is disposed on the other row end side of the tire vulcanization station. A mold exchanging station for exchanging a mold, and the tire vulcanization station, the upper storage station, the mold opening and closing station, and the tire And a first mold transporting device and the second mold transporting device for transporting the mold assembly. Therefore,
In the tire vulcanizing facility of the present invention, the same effect as the above-described invention is obtained, and the heat radiation energy generated in the tire vulcanizing station at the lower position can be used for the preheating energy at the upper storage station at the upper position. Therefore, the spare tire mold assembly can be quickly heated to the temperature in the operating state, and the productivity and cost can be further improved.

Further, the tire vulcanizing equipment of the present invention comprises a plurality of rows of tire vulcanizing stations for vulcanizing a tire by accommodating a plurality of movable tire mold assemblies, and an upper part of the tire vulcanizing station. An upper storage station provided with a mold storage shelf for storing a plurality of sets of spare tire mold assemblies; and an upper storage station provided at one row end side of the tire vulcanizing station, wherein the tire mold is provided. A mold opening / closing station that receives the assembly, opens and closes a tire mold, removes a vulcanized tire, and inserts an unvulcanized tire, and is disposed on the other row end side of the tire vulcanization station. A mold exchanging station for exchanging molds, an end storage station disposed on the mold exchanging station side for storing a plurality of sets of spare tire mold assemblies, and the tire vulcanizing station; A first mold transporter and a second mold transporter disposed between the upper storage station, the mold opening and closing station, the exchange station, and the end storage station, for transporting the tire mold assembly; It has. Therefore, in the tire vulcanizing equipment of the present invention, the effect obtained by combining the above two inventions is obtained, and the productivity can be further improved.

[Brief description of the drawings]

FIG. 1 is a plan view showing a tire vulcanizing facility according to a first embodiment of the present invention.

FIG. 2 is a side view showing the tire vulcanizing equipment of the first embodiment.

FIG. 3 is a front view showing the tire vulcanizing equipment of the first embodiment.

FIG. 4 is a plan view showing a tire vulcanizing facility according to a second embodiment of the present invention.

FIG. 5 is a side view showing a tire vulcanizing facility of the second embodiment.

FIG. 6 is a front view showing a tire vulcanizing facility of the second embodiment.

FIG. 7 is a plan view showing a tire vulcanizing facility according to a third embodiment of the present invention.

FIG. 8 is a side view showing a tire vulcanizing facility of the third embodiment.

FIG. 9 is a front view showing a tire vulcanizing facility of the second embodiment.

FIG. 10 is a plan view showing a tire vulcanizing facility according to a fourth embodiment of the present invention.

FIG. 11 is a side view showing a tire vulcanizing facility of the fourth embodiment.

FIG. 12 is a front view showing a tire vulcanizing facility of the fourth embodiment.

FIG. 13 is a plan view showing a conventional tire vulcanizing facility.

FIG. 14 is a side view showing a conventional tire vulcanizing facility.

[Explanation of symbols]

 C11-C33 Vulcanizing station M11-M33 Tire mold assembly OP Mold opening / closing device OP1 Mold opening / closing station MC Mold changing device MC1 Mold changing station KT1 End storage station KT2 Upper storage station PM Spare tire mold assembly SO Mold storage shelf T1 First tire mold carrier T10 to T16 Stop position of first tire mold carrier T2 Second tire mold carrier T20 to T26 Stop position of second tire mold carrier T Vulcanization Finished tire GT Unvulcanized tire

Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat II (Reference) B29L 30:00

Claims (7)

[Claims] 1. A tire vulcanization station comprising a plurality of rows of tire vulcanization stations for accommodating a plurality of movable tire mold assemblies and vulcanizing a tire, the vulcanization station being disposed at one row end of the tire vulcanization station. A mold opening / closing station that receives the tire mold assembly, opens and closes the tire mold, removes a vulcanized tire, and inserts an unvulcanized tire, and is arranged on the other row end side of the tire vulcanizing station. A mold exchanging station for exchanging tire molds, an end storing station disposed on the mold exchanging station side for accommodating a plurality of sets of spare tire mold assemblies, and the tire vulcanizing station. A first mold transport device disposed between the mold opening / closing station, the exchange station, and the end storing station, for transporting the tire mold assembly;
A tire vulcanizing facility comprising a mold conveying device. 2. A mold storage shelf having a two-story structure is provided at the end storage station, and the spare tire mold assembly is arranged in two stages by the same mold storage shelf. Item 4. A tire vulcanizing facility according to Item 1. 3. A plurality of rows of tire vulcanization stations for accommodating a plurality of movable tire mold assemblies and vulcanizing the tire, and are disposed at an upper portion of the tire vulcanization station.
An upper storage station provided with a mold storage shelf for storing a plurality of sets of spare tire mold assemblies; and an upper storage station provided at one row end of the tire vulcanizing station for receiving the tire mold assemblies. A mold opening / closing station that opens and closes a tire mold, removes a vulcanized tire, and inserts an unvulcanized tire, and is disposed on the other row end side of the tire vulcanizing station, and exchanges a tire mold. A mold changing station to be performed, a first mold conveying device disposed between the tire vulcanizing station, the upper storage station, the mold opening / closing station and the changing station, for conveying the tire mold assembly; A tire vulcanizing facility comprising a second mold transport device. 4. A plurality of rows of tire vulcanizing stations for accommodating a plurality of movable tire mold assemblies and vulcanizing the tires, the tire vulcanizing stations being disposed above the tire vulcanizing stations.
An upper storage station provided with a mold storage shelf for storing a plurality of sets of spare tire mold assemblies; and an upper storage station provided at one row end of the tire vulcanizing station for receiving the tire mold assemblies. A mold opening / closing station that opens and closes a tire mold, removes a vulcanized tire, and inserts an unvulcanized tire, and is disposed on the other row end side of the tire vulcanizing station, and exchanges a tire mold. A mold changing station to be performed, an end storing station disposed on the mold changing station side for storing a plurality of sets of spare tire mold assemblies, the tire vulcanizing station, the upper storing station, and the mold. An opening and closing station, disposed between the exchange station and the end storage station,
A tire vulcanizing facility, comprising: a first die transport device and a second die transport device for transporting the tire die assembly. 5. A mold storage shelf having a two-story structure is provided at the end storage station, and the spare tire mold assembly is arranged in two stages by the same mold storage shelf. Item 7. A tire vulcanizing facility according to Item 4. 6. The spare tire mold assembly is heated and maintained at a temperature in an operating state in mold storage shelves of the end storage station and the upper storage station. The tire vulcanizing equipment according to any one of claims 1 to 5. 7. The spare tire mold assembly is heated and kept at a temperature lower than the operating state in the mold storage shelves of the end storing station and the upper storing station, and when necessary, The tire vulcanizing equipment according to any one of claims 1 to 5, wherein the spare tire mold assembly is heated to a temperature in an operating state.