JP2001212887A - Molding equipment for tire structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide molding equipment which enables smooth supply of tire molding members supported on trays onto a molding drum of a molding mechanism, while enabling smooth carrying-out of emptied trays from the molding mechanism, and thus enable consecutive and efficient molding of tire structures. SOLUTION: The trays 35, 36 and 37 supporting a plurality of kinds of tire molding members B1, B2 and T1 individually are carried to different tray carrying-in positions P1 and P3 on a tray load mechanism 39 by tray carrying-in and carrying-out mechanisms 40 and 41 and also carried onto a supplying- winding mechanism 34 of the molding mechanism 31 sequentially by the tray load mechanism 39. In the state of the tire molding members B1, B2 and T1 being supported on the trays 35-37 respectively, they are transferred and supplied thereafter onto a molding drum 32 by the supplying-winding mechanism 34 and wound on the outer circumference of the molding drum 32. The emptied trays 35-37 are carried out sequentially from the supplying-winding mechanism 34 through the intermediary of the tray load mechanism 39 and the tray carrying-in and carrying-out mechanisms 40 and 41.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molding apparatus for molding a tire structure such as a belt tread structure using a plurality of types of tire molding members such as a breaker belt and tread rubber.

[0002]

2. Description of the Related Art A conventional tire structure forming apparatus of this type is disclosed in, for example, Japanese Patent Publication No. 5-42111 (first conventional configuration) and Japanese Patent Laid-Open No. 8-207168 (second conventional configuration). Such a configuration is known.

In the first conventional configuration, a plurality of conveyors are arranged on a transport trolley, and a tire molding member such as tread rubber is supported on these conveyors. An elevator is attached to the lower part of the transport vehicle, and the transport vehicle is lifted by the elevator, and any one of the conveyors is sequentially moved and arranged to a supply position at a predetermined height.

[0004] A feeder having a tray is arranged on the peripheral side of the forming drum of the tire forming machine. A drive gear rotated by a motor is provided on a side of the feeder, and when one conveyor on the carriage is moved to the supply position, this drive gear is connected to a driven gear at the end of the conveyor. It has become. In this state, the conveyor is operated by rotation of the motor, and the tire forming member on the conveyor is supplied onto the forming drum via the tray of the feeder, and is wound around the outer periphery of the forming drum.

In the second conventional structure, a plurality of types of tire forming members are formed into a long shape, and are cut into a predetermined length while being conveyed by a conveyor, so that the pallets are flat and can be stacked. Placed on top. The pallet on which the different types of tire molding members are placed is the tire 1
The sheets are stacked as a set in the reverse order of the laminating order, and are conveyed to the vicinity of the machine base of the tire forming machine. Then, the set of pallets is sequentially sent out from the upper pallet, and the tire forming member on the pallet is brought into contact with the lower surface of the forming drum of the tire forming machine and is wound around the outer periphery of the forming drum. .

[0006]

However, these conventional arrangements have the following problems. That is, in the first conventional configuration, an elongated tire forming member having flexibility, such as tread rubber, is directly supported on a conveyor without using a pallet or the like, and the conveyor operates to move the tire on a tray of a feeder. After that, it is supplied onto a forming drum. For this reason, there is a problem that the tire molding member is wrinkled or the like and is not smoothly supplied onto the molding drum, and molding failure is likely to occur.

On the other hand, in the second conventional configuration, the tire forming member is sequentially fed to the lower portion of the forming drum while being supported on the pallet. The supply of the tire forming member to the drum becomes smooth, and molding defects can be reduced. However, the second conventional configuration does not include a mechanism for processing an empty pallet after supplying a tire forming member to a forming drum. For this reason, there has been a problem that molding of the tire structure cannot be continuously and efficiently performed.

The present invention has been made by paying attention to such problems existing in the prior art. The purpose is to be able to smoothly supply to the forming drum of the forming mechanism while supporting a plurality of types of tire forming members on the tray, and to smoothly carry out the empty tray from the forming mechanism. It is an object of the present invention to provide a tire structure forming apparatus capable of performing processing and continuously and efficiently forming a tire structure.

[0009]

Means for Solving the Problems and Effects of the Invention In order to achieve the above object, according to the invention of a tire structure forming apparatus according to the first aspect, a forming drum rotated about one axis; A forming mechanism having a supply winding mechanism for sequentially transferring and supplying a plurality of types of tire forming members supported on a tray to a forming drum and winding the tire around the outer periphery of the forming drum, and a supply winding of the forming mechanism A tray loading mechanism that sequentially carries in trays supporting different types of tire molding members on the mechanism and sequentially unloads empty trays from the supply winding mechanism, and a different tray loading / unloading position on the tray loading mechanism. And a plurality of tray loading / unloading mechanisms for loading / unloading trays for different types of tire molding members.

Therefore, wrinkles and the like can be smoothly supplied to the forming drum of the forming mechanism without a plurality of types of tire forming members being supported on the tray. Further, the empty tray can be smoothly carried out of the forming mechanism after the supply of the tire forming member. Therefore,
The tire structure can be continuously and efficiently formed.

In the invention according to claim 2, in the tire structure forming apparatus according to claim 1, the tray loading / unloading mechanism includes a belt tray loading / unloading mechanism for loading / unloading a breaker belt as a tire molding member. And a tread tray loading / unloading mechanism for loading / unloading a tread rubber as another tire molding member.

Therefore, the breaker belt and the tread rubber as the tire forming member are smoothly supplied to the tray loading mechanism while the breaker belt and the tread rubber as the tire forming member are separately supported on the tray by the belt tray loading / unloading mechanism and the tread tray loading / unloading mechanism. be able to.

According to a third aspect of the present invention, in the tire structure forming apparatus according to the second aspect, the belt tray loading / unloading mechanism and the tray loading mechanism are provided for the first belt for supporting the first breaker belt. The tray and the tray for the second belt supporting the second breaker belt are loaded and unloaded at the same time in a stacked state.

Therefore, in a state where the first belt tray for the first breaker belt and the second belt tray for the second breaker belt are stacked by the belt tray loading / unloading mechanism and the tray loading mechanism, It can be efficiently carried in and out of the supply winding mechanism of the forming mechanism at the same time.

According to a fourth aspect of the present invention, in the tire structure molding apparatus according to the third aspect, the first and second belt trays stacked and supported on a supply winding mechanism are provided in the molding mechanism. Among them, a tray temporary placement mechanism for temporarily placing and holding the empty belt tray when the upper belt tray is empty is provided.

Accordingly, after the supply of the breaker belt on the upper belt tray is finished, the empty belt tray is removed from the first and second belt trays stacked and supported on the supply winding mechanism. The tray can be temporarily placed and held by the tray temporary placement mechanism. Therefore, the supply operation of the breaker belt on the lower belt tray can be easily performed without the empty belt tray becoming an obstacle.

[0017]

An embodiment of the present invention will be described below with reference to the drawings. (Schematic Configuration) First, the overall configuration of a tire structure molding apparatus according to this embodiment will be schematically described. As shown in FIGS. 1 to 3, a forming mechanism 31 for forming a belt tread structure as a tire structure on a floor surface of a factory or the like.
Are provided so as to extend in the left-right direction. Forming mechanism 3
A forming drum 32 is rotatably arranged on an axis extending in the front-rear direction at the upper central portion of 1, and is rotated clockwise in FIG. 2 by a motor 33.

A supply winding mechanism 34 is provided on the right side of the forming mechanism 31. On the supply winding mechanism 34, a first breaker belt B1 as a tire forming member is provided.
, A second belt tray 36 that supports a second breaker belt B2 as another tire forming member, and a tread tray that supports a tread rubber T1 as another tire forming member. 37
Is to be placed. The first belt tray 35 and the second belt tray 36 are placed in a vertically stacked state, and the tread tray 37 is placed alone.

Then, with the trays 35 and 36 for both belts placed thereon, the supply winding mechanism 34 is operated, so that the breaker belts B1 and B2 are formed on the forming drum 32.
Are sequentially transferred and supplied to the lower part of the molding drum 32 and wound around the outer periphery of the forming drum 32. Thereafter, the tread rubber T1 is transferred and supplied to a lower portion of the forming drum 32 by operating the supply winding mechanism 34 in a state where the tread tray 37 is mounted, and the breaker belt on the outer periphery of the forming drum 32 is provided. It can be wound around B1 and B2.

A tray temporary placement mechanism 38 is provided on the left side of the molding mechanism 31. Then, the first and second belt trays 35 and 3 stacked and supported on the supply winding mechanism 34.
6, when the supply of the first breaker belt B1 on the upper belt tray 35 is completed, the empty belt tray 35 is temporarily placed and held by the tray temporary placement mechanism 38. In this state, the second belt tray 36 on the lower stage
After the supply operation of the breaker belt B2 is performed, the upper belt tray 35 is returned from the tray temporary placement mechanism 38 to the empty lower belt tray 36, and is supported by stacking. .

A tray loading mechanism 39 is provided on the floor of a factory or the like so as to extend in the front-rear direction so as to intersect with the molding mechanism 31.
Is installed. On this tray loading mechanism 39,
A belt tray carrying-in position P1 for carrying in the belt trays 35 and 36 supporting the breaker belts B1 and B2, and a belt tray carrying-out position P2 for carrying out empty belt trays 35 and 36 are provided. Further, on the tray loading mechanism 39, a tread tray loading position P for loading the tread tray 37 supporting the tread rubber T1.
3, and a tread tray unloading position P4 for unloading an empty tread tray 37.

Further, on the tray loading mechanism 39, a tray transfer position P for transferring or receiving each of the trays 35 to 37 to the supply winding mechanism 34 of the forming mechanism 31 is provided.
5, and a tray standby position P6 for temporarily holding the empty belt trays 35, 36 when the belts 35, 36 are carried out.

The first and second belt trays 35 and 36 supporting the breaker belts B1 and B2 are conveyed from the belt tray loading position P1 to the belt transfer position P5 by the tray loading mechanism 39 in a stacked state. Then, it is simultaneously transferred onto the supply winding mechanism 34 of the forming mechanism 31. Also, a breaker belt B to the forming drum 32
After the supply of 1 and B2, the empty belt trays 35 and 36 are received in a stacked state from the supply winding mechanism 34 and temporarily standby at the tray standby position P6, and then to the belt tray unloading position P2. It is to be carried out at the same time.

Further, the tread tray 37 supporting the tread rubber T1 is transported from the tread tray loading position P3 to the belt transfer position P5 by the tray loading mechanism 39, and is transferred to the supply winding mechanism 34. After the supply of the tread rubber T1 to the molding drum 32,
The empty tread tray 37 is received from above the supply winding mechanism 34, and is carried out to the tread tray carry-out position P4.

A belt tray loading / unloading mechanism 40 is mounted on the floor of a factory or the like so as to extend in the left-right direction corresponding to the belt tray loading / unloading position P1 and the belt tray loading / unloading position P2 of the tray loading mechanism 39. Has been established. And
The first and second belt trays 35 and 36 supporting the breaker belts B1 and B2 are simultaneously loaded into the belt tray loading position P1 of the tray loading mechanism 39 in a stacked state by the belt tray loading / unloading mechanism 40. . Also,
The empty belt trays 35 and 36 are simultaneously ejected from the belt tray unloading position P2 of the tray loading mechanism 39 in a stacked state.

A tread tray loading / unloading mechanism 41 is mounted on a floor surface of a factory or the like so as to extend in the left-right direction corresponding to the tread tray loading / unloading position P3 and the tread tray unloading position P4 of the tray loading mechanism 39. Has been established. The tread tray carrying mechanism 41 simultaneously carries the tread tray 37 supporting the tread rubber T1 into the tread tray carrying position P3 of the tray loading mechanism 39. Also, an empty tread tray 37
Are unloaded from the tread tray unloading position P4 of the tray loading mechanism 39.

(Supply Winding Mechanism 34 of Forming Mechanism 31) Next, the detailed configuration of the supply winding mechanism 34 of the forming mechanism 31 will be described. As shown in FIGS. 4 to 8, a support frame 45 is disposed on a base 44 via a plurality of columns 46, and a pair of rails 47 is laid on the front surface thereof so as to extend in a horizontal direction. ing. A moving table 48 is movably supported by the rail 47, and an elevating table 49 is supported on the upper surface thereof by a plurality of elevating blocks 50 on both front and rear sides so as to be able to move up and down and swing.

At the left end of the moving table 48, a moving motor 51 is provided. And this motor 5
By the rotation of 1, the moving table 48 is moved via the pinion 52 and the rack 53 to a position corresponding to the tray transfer position P5 of the tray loading mechanism 39, a position corresponding to the forming drum 32, and a position corresponding to the tray temporary placing mechanism 38. Is to be moved to.

As shown in FIGS. 4 and 6, a plurality of first clamp rollers 54 are rotatably disposed at the rear and left sides of the upper surface of the elevating table 49. The elevating table 49 corresponds to each first clamp roller 54.
A plurality of clamping cylinders 55 are arranged on the front and right sides of the upper surface of the piston rod, and a second clamp roller 56 is rotatably attached to the distal ends of the piston rods.

When the moving table 48 is moved to a position corresponding to the tray transfer position P5 of the tray loading mechanism 39, the tray loading mechanism 39 transfers the belt trays 35 and 36 supporting the breaker belts B1 and B2 or the tread. When the tread tray 37 supporting the rubber T1 is delivered, the trays 35 to 37 are clamped between the clamp rollers 54 and 56 by the clamping operation of each clamping cylinder 55. When the moving table 48 is moved to a position corresponding to the tray transfer position P5 of the tray loading mechanism 39 after the supply of the breaker belts B1, B2 or the tread rubber T1 to the forming drum 32, the release of each clamping cylinder 55 is performed. By operation,
The empty trays 35 to 37 are released from the clamped state between the clamp rollers 54 and 56.

As shown in FIGS. 7 to 9, on the moving table 48, an elevating motor 57 is provided. Then, by the rotation of the motor 57, the driving gear 58, the driven gear 59, the transmission shaft 60, the toothed driving pulley 61, the toothed belt 62, the toothed driven pulley 63, the transmission shaft 64, and the coupling 65, The drive shaft 66 is rotated,
With the rotation, each lifting block 50 is raised and lowered via the pinion 67 and the rack 68.

A pair of cushion cylinders 69 are mounted on each of the lifting blocks 50 via mounting plates 70, and a swinging body 71 is supported between the piston rods. A support 72 is swingably supported at an intermediate portion of each swing body 71 via a pin 73, and the elevating table 49 is mounted on the support 72.

When the trays 35 to 37 supporting the breaker belts B1 and B2 or the tread rubber T1 are clamped on the lifting table 49, the moving table 48 is moved to a position corresponding to the tray transfer position P5 of the tray loading mechanism 39. When the start end of the breaker belts B1, B2 or the tread rubber T1 corresponds to the forming drum 32, the movement of the moving table 48 is stopped. In this state, the elevating table 49 is raised and the breaker belts B1, B2 or the tread rubber T
1 is pressed against the outer peripheral lower surface of the forming drum 32. Thereafter, the forming drum 32 is rotated clockwise in FIG. 2 and the moving table 48 is moved leftward, so that the breaker belts B1, B2 or the tread rubber T
1 is wound around the outer periphery of the forming drum 32.

In this case, when the trays 35 to 37 pass below the forming drum 32, the swinging member 71 swings due to the cushioning action of the cushion cylinder 69 at a position corresponding to the portion where the trays 35 to 37 pass. It is tray 35 ~
Lowering or tilting of the passage portion 37 is allowed.

(Tray Temporary Placement Mechanism 38 of Molding Mechanism 31) Next, the detailed configuration of the tray temporary placement mechanism 38 of the molding mechanism 31 will be described. As shown in FIGS. 4, 10, and 11, a pair of front and rear support bars 76 are arranged on the base 44 via support columns 77 so as to extend in the left-right direction in parallel. Elevating cylinders 78 are respectively attached to both ends of each support bar 76, and an elevating plate 79 is attached to the upper ends of the piston rods. A clamp cylinder 80 is supported on each of the elevating plates 79, and clamp claws 81 are attached to the inner ends of the piston rods.

Then, belt trays 35 and 36 stacked and supported on an elevating table 49 of the supply winding mechanism 34 are provided.
When the moving table 48 is stopped at a position corresponding to the tray temporary placement mechanism 38 after the first breaker belt B1 on the upper belt tray 35 is supplied onto the forming drum 32, each of the clamping cylinders 80 is activated,
The upper empty belt tray 35 is clamped between the pair of front and rear clamp claws 81. Thereafter, each lifting cylinder 78 is actuated, each lifting plate 79 is raised, and as shown by a chain line in FIG. 11, the upper empty belt tray 35 is temporarily placed and held at the temporary placement position. I have.

Thereafter, the moving table 48 is returned to the right, and when the starting end of the second breaker belt B2 on the lower belt tray 36 corresponds to the forming drum 32, the returning movement of the moving table 48 is stopped. Is done. In this state, the second breaker belt B2 is pressed against the outer peripheral lower surface of the forming drum 32 by the raising of the elevating table 49, and then the forming drum 32 is rotated, and the moving table 48 is moved to the left again. The second breaker belt B2 is wound around the outer periphery of the forming drum 32.

After the winding operation, when the moving table 48 is stopped at a position corresponding to the tray temporary placing mechanism 38, the operation of the lifting / lowering cylinders 78 lowers the empty belt tray 35 in the upper stage. By the operation of each clamp cylinder 80, the clamp of each clamp claw 81 with respect to the belt tray 35 is released. Thus, the upper belt tray 35 is returned to the lower belt tray 36 on the elevating table 49 and is supported by being stacked.

(Tray Loading Mechanism 39) Next, a detailed configuration of the tray loading mechanism 39 will be described. FIG.
As shown in FIG. 19, a transfer frame 84 is disposed on a floor surface of a factory or the like in a front-rear direction through a pair of front and rear columns 85, and a pair of rails 86, 8 are provided on the lower and upper surfaces thereof.
7 are laid in parallel in the front-rear direction. Transport frame 8
4 is supported movably on the lower rail 86, and a pair of front and rear belts for chucking the first belt tray 35 and the second belt tray 36 in a stacked state are provided on both lower sides thereof. First and second chuck claws 8
9,90 are equipped. A tread tray carrier 91 is movably supported on an upper rail 87 of the carrier frame 84, and a pair of front and rear chuck claws 92 for chucking the tread tray 37 are provided at lower portions on both sides thereof.

As shown in FIG. 13, at the belt tray loading position P1, the breaker belts B1, B
After the first and second belt trays 35 and 36 supporting the second 2 are chucked by the first and second chuck claws 89 and 90 in a stacked state, the belt tray carrier 88 is moved to the belt transfer position P5. Thus, the breaker belts B1 and B2 are loaded onto the lifting table 49 of the supply winding mechanism 3. After the supply of the breaker belts B1 and B2 to the forming drum 32, the empty belt trays 35 and 3 on the lifting table 49 at the belt transfer position P5.
After the first and second chuck claws 89 and 90 are chucked in the stacked state, the belt tray transport table 88 is moved to the belt tray unloading position P2 via the tray standby position P6, so that the empty tray is empty. Temporary standby and unloading of the belt trays 35 and 36 are performed.

Further, after the tread tray 37 supporting the tread rubber T1 is chucked by the chuck claws 92 at the tread tray carry-in position P3, the tread tray carrier 91 is moved to the belt transfer position P5. As a result, the tread rubber T1 on the lifting table 49
Is carried in. After the tread rubber T1 is supplied to the forming drum 32, the empty tread tray 37 on the elevating table 49 is chucked by the chuck claws 92 at the belt transfer position P5, and then the tread tray transport base 91 is moved to the tread tray. By moving to the carry-out position P4, the empty tread tray 37 is carried out.

The configuration of the belt tray conveying table 88 will be described in more detail. As shown in FIGS. 14 to 16, a movement motor 93 is provided on the side of the belt tray conveyance table 88, and the rotation of the motor 93 causes the belt tray conveyance via the pinion 94 and the rack 95. The table 88 is moved in the front-back direction. An elevating support plate 96 is supported at a lower portion of the belt tray conveying table 88 via a pair of left and right rails 97 so as to be able to elevate and lower. An elevating motor 98 is disposed on the upper surface of the center of the belt tray conveyance table 88, and the rotation of the motor 98 causes the gears 99 and 100, the ball screw 101, and the nut 1.
The lifting support plate 96 is raised and lowered via the opening 02.

A pair of front and rear first chuck cylinders 103 are attached to both left and right ends of the elevating support plate 96, and the first chuck claws 8 are attached to their piston rods.
9 is attached. Each first chuck cylinder 1
03, a pair of front and rear second chuck cylinders 1
04 is mounted via a mounting plate 105, and the second chuck claws 90 are mounted on their piston rods.

Then, the belt tray transfer table 88 is moved to the belt tray carry-in position P1 and the belt tray carry-out position P.
2, or in the state of being moved to the tray transfer position P5, the elevating support plate 96 is moved up and down by the elevating motor 98, and the chuck claws 89, 90 are opened and closed by the chuck cylinders 103, 104. As a result, at each of the positions P1, P2, and P5, the breaker belt B
The belt trays 35, 36 or the empty belt trays 35, 36 supporting the first and the second belts 2 and 3 are chucked or released in a stacked state.

Next, the structure of the tread tray transfer table 91 will be described in more detail. As shown in FIGS. 17 to 19, a movement motor 106 is provided below the tread tray transfer table 91, and the rotation of the motor 106 causes the tread tray transfer table via the pinion 107 and the rack 108. 91 is moved in the front-back direction. A pair of elevating support plates 109 is supported on the left and right sides of the tread tray conveyance table 91 via rails 110 so as to be able to ascend and descend. A pair of lifting / lowering cylinders 111 are disposed on both left and right sides of the tread tray transfer table 91, and the lifting / lowering support plate 109 is moved up and down by these lifting / lowering cylinders 111. A pair of front and rear chuck cylinders 1 is provided on the outer surface of each lifting support plate 109.
12 are attached, and the chuck claws 92 are attached to the piston rods.

Then, with the tread tray transfer table 91 moved to the tread tray carry-in position P3, the tread tray carry-out position P4, or the tray transfer position P5, the lifting support plate 109 is raised and lowered by the lifting motor 111. At the same time, the chuck claws 112 are opened and closed by the chuck cylinder 112. Thus, at each of the positions P3, P4, and P5, the tread tray 37 supporting the tread rubber T1 or the empty tread tray 37 is chucked or released.

(Belt Tray Loading / Exporting Mechanism 40)
The detailed configuration of the belt tray loading / unloading mechanism 40 will be described. As shown in FIGS. 20 to 23, a support table 115 is disposed on a floor surface of a factory or the like via a pair of support bases 116, and a pair of rails 117 extend on the upper surface thereof in a horizontal direction. Is laid. Rail 117
A tray carrier 118 is movably supported on the upper side, and a pair of holding claws 119 are protrudingly provided on both left and right ends thereof.
Then, when the belt trays 35 and 36 supporting the breaker belts B1 and B2 are placed on the tray conveyance table 118 in a stacked state, the belt trays 35 and 36 are stacked.
Are held at predetermined positions by holding claws 119.

A pair of sprockets 120 and 121 are rotatably supported at both left and right ends of the support table 115. An endless chain 122 is mounted between the two sprockets 120 and 121, and a part of the chain 122 is fixed to the tray carrier 118. A moving motor 123 is provided at the right end of the support table 115, and its motor shaft is connected to one sprocket 120. The rotation of the motor 123 causes the sprocket 12
0, 121 and the tray 122 via the chain 122.
18 is moved. As a result, at the right end position indicated by the solid line in FIG. 20, the belt trays 35 and 36 stacked and mounted on the tray conveyance table 118 are moved to the left end position corresponding to the belt tray loading position P1 of the tray loading mechanism 39. It is designed to be transported.

At the left end position corresponding to the belt tray loading position P1 of the tray loading mechanism 39, a pair of front and rear holding rods 124 are erected on the support table 115. A holding claw 125 is protruded from the inner surface of each of the holding rods 124 so as to be able to rotate upward and escape, and is always urged and held at a projecting position shown in FIG. At a left end position corresponding to the belt tray loading position P1, a pair of front and rear lift members 127 are disposed on the support table 115 so as to be able to move up and down, and a plurality of lift claws 128 are protrudingly provided on the inner surfaces facing each other. . A pair of front and rear lift cylinders 129 are disposed on the support table 115, and their piston rods are connected to the respective lift members 127.
It is connected to.

Then, the belt trays 35 and 36 supporting the breaker belts B1 and B2 are moved to the tray conveyor 118.
When the tray conveying table 118 is moved to the left end position corresponding to the belt tray carrying-in position P1 in the state of being stacked and placed on the upper side, both lift members 127 are raised by the lift cylinder 129. As a result, the lift claws 12
8, the belt trays 35 and 36 are connected to the tray carrier 1
As shown by a dashed line in FIG. 23, it is lifted from above and latched and held between the holding claws 125 of the holding rod 124.
In this state, the transfer of the belt trays 35 and 36 to the chuck claws 89 and 90 on the belt tray transfer table 88 is performed.

The support table 115 is set so as to correspond to the belt tray unloading position P2 of the tray loading mechanism 39.
A tray support table 130 is provided at the rear left end of the pair, and a pair of holding claws 131 protrude from both left and right ends thereof. Then, at the belt tray unloading position P2, the empty belt trays 35 and 36, whose chucks have been released from between the chuck claws 89 and 90 on the belt tray transport table 88, fall onto the tray support table 130, The holding claws 131 are held at predetermined positions.

(Tread Tray Carry In / Out Mechanism 41) Next, the detailed structure of the tread tray carry in / out mechanism 41 will be described. As shown in FIGS. 24 to 27, a support table 134 is provided on a floor surface of a factory or the like with a pair of support bases 135.
And a pair of front and rear rails 1 on its upper surface.
36 extend in parallel in the left-right direction.
A tray loading table 137 is movably supported on the front rail 136, and a pair of holding claws 138 are provided on both left and right ends thereof.
Is protruding. A tray carry-out table 139 is movably supported on the rear rail 136, and a pair of holding claws 140 is provided on each of the left and right ends thereof.

When the tread tray 37 supporting the tread rubber T1 is placed on the tray carry-in table 137, the tread tray 37 is held at a predetermined position by holding claws 138. When the empty tread tray 37 is placed on the tray carry-out stand 139, the tread tray 37 is held at a predetermined position by the holding claws 140.

At positions corresponding to the tray carry-in table 137 and the tray carry-out table 139, a pair of sprockets 141 and 142 are provided at both left and right ends of the support table 134, respectively.
Are rotatably supported. Each pair of sprockets 1
Endless chains 143 are respectively mounted between 41 and 142, and a part of them is fixed to the tray carry-in table 137 and the tray carry-out table 139. Support table 134
A pair of movement motors 144 is disposed at the left end of the motor, and their motor shafts are connected to one sprocket 141.

Then, when the front moving motor 144 is rotated, the tray carrying table 137 is moved via the sprockets 141 and 142 and the chain 143.
Accordingly, at the left end position indicated by the solid line in FIG. 24, the tread tray 37 supporting the tread rubber T1 placed on the tray carry-in table 137 corresponds to the tread tray carry-in position P3 of the tray loading mechanism 39. It is to be carried in to the right end position. Also, when the rear movement motor 144 is rotated, the sprocket 1
The tray unloading table 139 is moved via the chains 41 and 142 and the chain 143. Thereby, the tray loading mechanism 3
At the right end position corresponding to the tread tray discharge position P4 of No. 9, the empty tread tray 37 placed on the tray discharge table 139 is discharged to the left end position separated therefrom.

At the left end positions corresponding to the tread tray carry-in position P3 and the tread tray carry-out position P4 of the tray loading mechanism 39, a pair of front and rear lift members 145 are disposed on the support table 134 so as to be able to move up and down. A plurality of lift claws 146 protrude from the inner surfaces facing each other. A pair of front and rear lift cylinders 147 are disposed on the support table 134, and their piston rods are connected to the lift members 145.

Then, with the tread tray 37 supporting the tread rubber T1 placed on the tray carry-in base 137, the tray carry-in base 137 is moved to the right end position corresponding to the tread tray carry-in position P3. At this time, the lift cylinder 147 causes the front lift member 145
Is raised. As a result, the tread tray 37 is lifted from above the tray carry-in table 137 via the lift claws 146, and in this state, the transfer of the tread tray 37 to the chuck claws 92 on the tread tray transfer table 91 is performed. It has become.

When the tread tray transfer table 91 is moved to the tread tray unloading position P4 in a state where the empty tread tray 37 is chucked between the chuck claws 92, the lift cylinder 147 moves the rear portion of the tread tray 37 out of the rear portion. The lift member 145 is raised. In this state, the empty tread tray 37 is released from the chuck between the chuck claws 92 and is dropped and held between the lift claws 146 of the lift member 145. Thereafter, when the tray unloading table 139 is moved to the right end position corresponding to the tread tray unloading position P4, the lift cylinder 147 is used to lift the rear lift member 145.
Is lowered, and the empty tread tray 37 is transferred from the lift member 145 to the tray carry-out stand 139. The empty tread tray 37 is carried out by moving the tray carry-out table 139 to the left end position.

(Operation of Entire Molding Apparatus) Next, the operation of the tire structure molding apparatus constructed as described above will be described in terms of the order of loading the trays 35 to 37 supporting the breaker belts B1 and B1 and the tread rubber T1. And empty tray 35 ~
The description will be made in accordance with the carrying-out order of 37.

In this molding apparatus, first, the belt tray 3 supporting the breaker belts B1, B1
5 and 36 are stacked, and the belt tray loading / unloading mechanism 40
The tray loading position P of the belt loading mechanism 39 from the right end position in FIG.
It is carried into the position corresponding to 1. In this position, the belt trays 35 and 36 are lifted by the lift member 127, and are held by the holding rods 124 as shown in FIGS.
Between the holding claws 125. Further, in a state where the belt trays 35 and 36 are stacked, the belt trays 35 and 36 are chucked by the chuck claws 89 and 90 on the belt tray conveying table 88 of the tray loading mechanism 39, and as shown by arrows in FIG. From P1, the sheet is conveyed to the tray transfer position P5, and is transferred to the elevating table 49 of the supply winding mechanism 34 in the forming mechanism 31.

After that, when the lifting table 49 is moved to the left in FIGS. 1 and 2 together with the moving table 48, the starting end of the first breaker belt B1 on the upper belt tray 35 corresponds to the forming drum 32. The lifting table 49 is raised, and the first breaker belt B <b> 1 is pressed against the outer peripheral lower surface of the forming drum 32. In this state, the moving table 48 is further moved leftward while the forming drum 32 is rotated, so that the first breaker belt B1 is wound around the outer periphery of the forming drum 32.

After the first breaker belt B1 is wound, when the moving table 48 is moved to a position corresponding to the tray temporary placing mechanism 38, as shown by a chain line in FIG. The tray 35 is a tray temporary placement mechanism 38
Of the lifting table 4
9 and temporarily held at the temporary position. Thereafter, the moving table 48 is returned to the right in FIG. 1 until the start end of the second breaker belt B2 on the lower belt tray 36 corresponds to the forming drum 32. Then, at this return position, the lifting table 49 is raised, and the second breaker belt B2 is pressed against the outer peripheral lower surface of the forming drum 32. In this state, while the forming drum 32 is rotating, the moving table 48 is moved to the left again, and the second
The breaker belt B2 is wound around the first breaker belt B1 on the outer periphery of the forming drum 32.

When the moving table 48 is moved to a position corresponding to the tray temporary placing mechanism 38 after the winding of the second breaker belt B 1, the upper belt tray 35 at the temporary placing position is clamped by the clamp claws 81. Is released, and is placed in a stacked state on the empty lower belt tray 36 placed on the elevating table 49. In this state, the moving table 48 is returned to the right, and the empty belt trays 35 and 36 are carried out to a position corresponding to the tray transfer position P5 of the tray loading mechanism 39. At this position, the empty belt tray 3
5 and 36 remain in the stacked state, and the belt tray transport
It is chucked by the upper chuck claws 89 and 90, and is transported from the tray transfer position P5 to the tray standby position P6.
You are temporarily suspended at that position.

Subsequently, the tread tray 37 supporting the tread rubber T1 is moved by the tread tray loading / unloading mechanism 41.
The tray loading mechanism 39 is loaded from the left end position in FIG. 1 to a position corresponding to the tread tray loading position P3 of the tray loading mechanism 39. In this position,
The tread tray 37 is chucked by the chuck claws 92 on the tread tray transfer table 91 of the tray loading mechanism 39, and is transferred from the tread tray carry-in position P3 to the tray transfer position P5 as indicated by an arrow in FIG. ,
It is delivered to the elevating table 49 of the supply winding mechanism 34 in the forming mechanism 31.

Thereafter, the lifting table 49 is moved to the left in FIGS. 1 and 2 together with the moving table 48, and when the starting end of the tread rubber T 1 on the tread tray 37 corresponds to the forming drum 32, the lifting table 49 is moved. Is raised, and the tread rubber T <b> 1 is pressed against the outer peripheral lower surface of the forming drum 32. In this state, while the forming drum 32 is rotating, the moving table 48 is further moved leftward, and the tread rubber T1 is wound around the second breaker belt B2 on the outer periphery of the forming drum 32.

After the winding of the tread rubber T1, the moving table 48 is returned to the right and the empty tread tray 37 is carried out to a position corresponding to the tray transfer position P5 of the tray loading mechanism 39. . Then, at this position, the empty tread tray 37 is chucked by the chuck claws 92 on the tread tray transport base 91,
Tray transfer position P4 from tray transfer position P5
To the tray carrying-out table 139 of the tread carrying-in / out mechanism 41. Thereafter, the tray carrying-out table 139 is moved to the left end position shown in FIG. 1, and the empty tread tray 37 is carried out.

Next, while the empty belt trays 35 and 36 waiting at the tray standby position P6 remain in the stacked state, the belt tray conveyor 88 is moved to move the belt tray unloading position P2 from the tray standby position P6. Transported to Then, at this position, empty belt trays 35, 3
6 are the chuck claws 89, 9 of the belt tray carrier 88.
The belt is released from 0 and is carried out and supported on the tray support table 130 of the belt tray carrying-in / out mechanism 40.

As described above, the first breaker belt B1,
The second breaker belt B2 and the tread rubber T1 are sequentially loaded onto the forming drum 32 of the forming mechanism 31 while being supported by the trays 35 to 37, and the forming drum 32
Tray 3 wrapped around the outer circumference of the tray
5 to 37 are sequentially carried out from above the forming mechanism 31. Then, the operation of carrying in the breaker belts B1, B2 and the tread rubber T1, and the operation of carrying out the empty trays 35 to 37 are repeatedly performed, whereby the tire structure is continuously formed.

(Effects of the Embodiment) The effects that can be expected from the above embodiment will be described below. In the tire structure forming apparatus of this embodiment, the trays 35, 36, and 37 individually supporting the plurality of types of tire forming members B 1, B 2, and T 1 are loaded by the tray loading / unloading mechanisms 40 and 41 into the tray loading mechanism 39. While being carried into the different tray carrying-in positions P1 and P3 above, it is carried in by the tray loading mechanism 39 onto the supply winding mechanism 34 of the forming mechanism 31 in order. Then, each tire molding member B
While the trays 1, B2, and T1 are supported by the trays 35, 36, and 37, the supply winding mechanism 34 transfers and supplies them onto the forming drum 32, and winds them around the outer periphery of the forming drum 32. Also, the tire molding members B1, B2,
Tray 35, 36, 3 which became empty after supply of T1 was completed
Numeral 7 is sequentially carried out from the supply winding mechanism 34 via a tray loading mechanism 39 and tray carrying in / out mechanisms 40 and 41.

Therefore, a plurality of types of tire molding members B1,
In the state where B2 and T1 are supported on the trays 35, 36 and 37, the forming drum 3 of the forming mechanism 31 does not generate wrinkles or the like.
2 can be supplied smoothly. After the supply of the tire forming members B1, B2, and T1, the empty trays 35, 36, and 37 can be smoothly carried out of the forming mechanism 31. Therefore, the tire structure can be continuously and efficiently formed.

In the tire structure forming apparatus of this embodiment, the tray carrying-in / out mechanism is different from the belt tray carrying-in / out mechanism 40 for carrying in and out the breaker belts B1 and B2 as the tire forming member. And a tread tray loading / unloading mechanism 41 for loading / unloading the tread rubber T1 as a tire forming member. For this reason, in a state where the breaker belts B1, B2 and the tread rubber T1 as the tire forming members are separately supported on the trays 35, 36, 37 by the belt tray loading / unloading mechanism 40 and the tread tray loading / unloading mechanism 41, respectively. It can be smoothly supplied onto the tray loading mechanism 39.

In the tire structure forming apparatus according to this embodiment, the belt tray loading / unloading mechanism 40 and the tray loading mechanism 39 include the first belt tray 35 for supporting the first breaker belt B1, and the second belt tray 35 for supporting the first breaker belt B1. The second belt tray 36 supporting the breaker belt B2 and the second belt tray 36 are simultaneously carried in and out in a stacked state. For this reason, the belt tray loading / unloading mechanism 40 and the tray loading mechanism 39
Thus, in a state where the first belt tray 35 for the first breaker belt B1 and the second belt tray 36 for the second breaker belt B2 are stacked, the forming mechanism 3
It is possible to efficiently carry in and out the one supply winding mechanism 34 at the same time.

In the tire structure molding apparatus of this embodiment, the supply winding mechanism 34 is
The first and second belt trays 35 stacked and supported on
When the upper belt tray 35 of the 36 is empty, a tray temporary placement mechanism 38 for temporarily placing and holding the empty belt tray 35 is provided. Therefore, of the first and second belt trays 35 and 36 stacked and supported on the supply winding mechanism 34, the upper belt tray 35
After the supply of the upper breaker belt B1 is completed, the empty belt tray 35 can be temporarily placed and held by the tray temporary placement mechanism 38. Therefore, the empty belt tray 35 does not interfere, and the lower belt tray 3
The supply operation of the breaker belt B2 supported on 6 can be easily performed.

(Modification) This embodiment can be embodied with the following modifications. In the above-described embodiment, the belt tray 35 supporting the breaker belts B1 and B2 on the elevating table 49 of the supply winding mechanism 34 from between the chuck claws 89 and 90 of the belt tray conveying table 88 of the tray loading mechanism 39. ,
36 are passed one by one, and each breaker belt B
1 and B2 are sequentially supplied onto the forming drum 32.

In the above embodiment, the belt tray 3 supporting the breaker belts B1 and B2 by the tray loading mechanism 39 and the belt tray loading / unloading mechanism 40.
5 and 36 and empty belt trays 35 and 36 are transported one by one.

The breaker belt B of the above embodiment
The present invention is applied to a molding apparatus for molding a tire structure by using a tire molding member different from 1, B2 and the tread rubber T1.

[Brief description of the drawings]

FIG. 1 is a plan view illustrating an entire tire structure forming apparatus according to an embodiment.

FIG. 2 is an enlarged front view of the molding apparatus of FIG.

FIG. 3 is an enlarged right side view of the molding apparatus.

FIG. 4 is an enlarged plan view showing a main part of a forming mechanism in the forming apparatus of FIG. 1;

FIG. 5 is a right side view showing the molding mechanism of FIG. 4 in a further enlarged manner.

FIG. 6 is an enlarged plan view of a main part of a movable winding mechanism in the forming mechanism of FIG. 4;

FIG. 7 is a front view of a main part of the moving winding mechanism of FIG. 6;

FIG. 8 is a left sectional view of the moving winding mechanism.

FIG. 9 is an exploded perspective view showing a tray elevating structure of the movable winding mechanism of FIG. 6;

FIG. 10 is an enlarged plan view of a main part of a tray temporary placing mechanism in the forming mechanism of FIG. 4;

FIG. 11 is a left side sectional view of the tray temporary placing mechanism of FIG. 10;

FIG. 12 is an enlarged plan view of a main part of a tray loading mechanism in the molding apparatus of FIG. 1;

FIG. 13 is a right side view for explaining the operation of the tray loading mechanism of FIG. 12;

FIG. 14 is an enlarged plan view of a main part of a transfer structure of a belt tray in the tray loading mechanism of FIG. 12;

FIG. 15 is a front sectional view of the belt tray transfer structure of FIG. 14;

FIG. 16 is a side view of a main part of the transfer structure of the belt tray.

FIG. 17 is an enlarged plan view of a main part of a transfer structure of a tread tray in the tray loading mechanism of FIG. 12;

18 is a front sectional view of the transfer structure of the tread tray of FIG. 17;

FIG. 19 is a side view of a main part of the transfer structure of the tread tray.

20 is an enlarged plan view of a main part of a belt tray loading / unloading mechanism in the molding apparatus of FIG. 1;

FIG. 21 is a front view of the belt tray loading / unloading mechanism of FIG. 20;

FIG. 22 is a partially enlarged plan sectional view of the belt tray carrying-in / out mechanism of FIG. 20;

23 is a sectional side view of a main part of the belt tray loading / unloading mechanism of FIG. 22;

FIG. 24 is an enlarged plan view of a main part of a tread tray loading / unloading mechanism in the molding apparatus of FIG. 1;

25 is a front view of the tread tray loading / unloading mechanism shown in FIG. 24.

26 is a partially enlarged plan sectional view of the tread tray loading / unloading mechanism shown in FIG. 24;

FIG. 27 is a sectional side view of a main part of the tread tray loading / unloading mechanism of FIG. 26;

[Explanation of symbols]

31 forming mechanism, 32 forming drum, 34 supply winding mechanism, 35 first belt tray, 36 second belt tray, 37 tread tray, 38 temporary tray placement mechanism, 39 tray loading Mechanism, 40: Belt tray loading / unloading mechanism, 41: Tread tray loading / unloading mechanism, 48:
Moving table, 49 lifting table, 54 first clamp roller, 56 second clamp roller, 57 lifting motor, 78 lifting motor, 80 clamping cylinder, 81 clamp pawl, 84 transport frame, 88: Belt tray carrier, 89: First chuck claw, 90: Second chuck claw, 91: Tread tray carrier, 92 ...
Chuck jaws, 93: moving motor, 96: elevating support plate,
98 ... Motor for lifting, 103 ... Cylinder for first chuck, 104 ... Cylinder for chuck, 106 ... Motor for motor, 109 ... Mounting support plate, 111 ... Cylinder for lifting, 112 ... Cylinder for chuck, 118 ... Tray conveyance Table, 123 ... Motor for movement, 124 ... Holding rod, 125 ...
Holding claw, 127: Lift member, 129: Lift cylinder, 130: Tray support base, 137: Tray carry-in base, 1
39 ... Tray discharge stand, 144 ... Moving motor, 145 ...
Lift member, 147: Lift cylinder, B1: First breaker belt as a tire forming member, B2: Second breaker belt as a tire forming member, T1: Tread rubber as a tire forming member, P1: Tray loading position for belt , P2: Belt tray unloading position, P3: Tread tray loading position, P4: Tread tray unloading position, P5: Tray transfer position.

Claims (4)

[Claims] 1. A supply drum for sequentially transferring and supplying a forming drum rotated around one axis and a plurality of types of tire forming members individually supported on a tray to the forming drum and winding the tire around the outer periphery of the forming drum. And a tray loading mechanism for sequentially loading trays supporting different types of tire forming members onto a supply winding mechanism of the forming mechanism, and sequentially discharging empty trays from the supply winding mechanism. A tire structure comprising: a mechanism; and a plurality of tray loading / unloading mechanisms for loading / unloading trays for different types of tire molding members at different tray loading / unloading positions on the tray loading mechanism. Molding equipment. 2. The belt loading / unloading mechanism includes a belt tray loading / unloading mechanism for loading / unloading a breaker belt as a tire forming member and a tread for loading / unloading tread rubber as another tire forming member. The molding apparatus for a tire structure according to claim 1, further comprising a tray carrying-in / out mechanism. 3. The belt tray loading / unloading mechanism and the tray loading mechanism include a first breaker belt supporting a first breaker belt.
The tire structure forming apparatus according to claim 2, wherein the belt tray and the second belt tray that supports the second breaker belt are simultaneously loaded and unloaded in a stacked state. 4. An empty belt tray when an upper belt tray of the first and second belt trays stacked and supported on a supply winding mechanism is emptied, said molding mechanism includes an empty belt tray. 4. The apparatus for molding a tire structure according to claim 3, further comprising a tray temporary placing mechanism for temporarily placing and holding the tire.