JP2002370291A - Method for mounting rigid body having hole on shaft, apparatus for mounting rigid body having hole, and tire manufacturing system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for automatically and efficiently mounting a rigid body having a hole, which is represented by the core mounted on the core attaching shaft of a tire molding machine, on a shaft, a mounting apparatus therefor and a tire manufacturing system applying the mounting apparatus to attach the core to the core attaching shaft of the tire molding machine. SOLUTION: An expansible and contractible cone body is contracted in its diameter to be inserted in the hole of the rigid body and expanded in its diameter within the hole to align the axis of the hole with that of the expansible and contractible cone body. Subsequently, the expansible and contractible cone body and the shaft are axially aligned to transfer the rigid body to the shaft.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a method for automatically and efficiently mounting a rigid body having a hole on a shaft.
The present invention relates to a mounting device for that purpose and a tire manufacturing system using the mounting device when mounting a core for specifying an inner peripheral surface of a tire to a core mounting shaft of a tire forming machine.

[0002]

2. Description of the Related Art When molding a tire using a hard core having a toroidal cross section for specifying the inner surface shape of the tire, a fitting hole provided at the center of the core is attached to a core mounting shaft of a molding machine. After mounting, the tire member is wound around the outer periphery of the core to form a raw tire, and then, while the raw tire is mounted outside the core, the core is removed from the main shaft by a molding machine, and this is vulcanized. To the machine.

Normally, in order to automatically and efficiently insert a shaft into a hole provided in a rigid body, the rigid body having the hole is gripped outside, the axis of the hole is accurately aligned with the shaft, and the shaft is straightened. A method of approaching them and fitting them is adopted. However, the core used for tire molding has a three-dimensionally complex outer shape, and it is difficult to grip the outside and accurately align its axis with the core mounting axis of the molding machine. Also, even if a surface perpendicular or parallel to the axis of the core is provided and the core can be gripped, the outer gripping device that can accurately attach a heavy core to the core mounting shaft becomes extremely large. , It was difficult to realize.

Therefore, in practice, the core must be lifted by a hammock-shaped band and inserted into a core mounting shaft of a molding machine while adjusting the height, position, direction and the like of the core using a hoist crane. However, there is a problem that a long time is required due to the strict accuracy of the hame eye, and that this operation cannot be automated.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of such a problem, and has a rigid body having a hole as represented by a core mounted on a core mounting shaft of a tire molding machine. Automatically and efficiently, and a device therefor, and a tire manufacturing system that applies the mounting device to mount a core on a core mounting shaft of a molding machine. It is intended to do so.

[0006]

Means for Solving the Problems The present invention has been made to achieve the above object, and its gist structure and operation will be described below.

According to a first aspect of the present invention, in the method of mounting a rigid body having a hole on a shaft, when the shaft is fitted into a columnar hole of the rigid body and the rigid body is mounted on the shaft, a plurality of arc-shaped portions are formed. When the diameter is increased, the expanding / contracting cone body that forms the outer peripheral surface that fits into the columnar hole of the rigid body is reduced in diameter and made to stand by, and the enlarged / condensed cone body relatively enters the hole, and then the rigid body After flexibly expanding the expansion / contraction cone body while aligning the axis of the rigid body columnar hole with the expansion / contraction cone body, the end faces of the expansion / contraction cone body are The rigid body is transferred and mounted on the shaft by causing the rigid body to actuate a force parallel to the axis of the expanding and contracting cone body.

According to this method of mounting the rigid body on the shaft, the expanding / contracting cone body is inserted into the hole of the rigid body with a reduced diameter, so that it can be easily inserted. And while inserting, expand the expansion / contraction cone body, align the axis of the hole with the expansion / contraction cone body, and then align the axis of the expansion / contraction cone body with the shaft. Can be adjusted to Then, since the rigid body is transferred to the shaft, the shaft can be easily fitted into the hole even if the hole of the rigid body and the shaft have a tight fitting relationship.

According to a second aspect of the present invention, there is provided a method for mounting a rigid body having a hole on a shaft according to the first aspect, wherein the rigid body is placed on a horizontal surface to make the rigid body flexible. It is to support.

According to this method of mounting the rigid body on the shaft, the rigid body is placed on a horizontal surface, and the rigid body is mounted with an appropriate holding force by utilizing the frictional resistance between the horizontal surface and the rigid body. Can be held and does not require special gripping devices.

According to a third aspect of the present invention, there is provided an apparatus for mounting a rigid body having a hole on a shaft according to any one of the first to second aspects. An enlarged / reduced cone body that forms an outer peripheral surface that fits into a columnar hole when expanded, support means for flexibly supporting a rigid body, and an axis for bringing the end face of the enlarged / reduced cone body into contact with the end face of the shaft A taper surface provided on an end surface of the shaft, wherein the end contact means and a pusher for transferring and mounting the rigid body on the shaft by operating a force parallel to the axis of the expanding and contracting cone body on the rigid body are provided. And a tapered surface for aligning the axis of the shaft and the expansion / contraction cone body is provided on the end face of the segment.

The rigid body mounting apparatus having the holes has means for realizing the method for mounting the rigid body having the holes on the shaft according to any one of claims 1 to 2, and further comprises an expanding / contracting cone body. A pair of tapered surfaces for aligning the axes of the shaft and the shaft are provided on the facing end surfaces of the expanding and contracting cone body and the shaft, respectively.
These axes can be matched exactly.

According to a fourth aspect of the present invention, in the mounting device for a rigid body having a hole according to the third aspect, the support means for flexibly supporting the rigid body includes a horizontal means for mounting an axial end face of the core. It is constituted by a support portion.

In the rigid body mounting apparatus having the holes, the rigid body is supported by the horizontal support portion on which the axial end surface of the core is placed, so that flexible support means can be easily configured.

According to a fifth aspect of the present invention, there is provided the mounting device for a rigid body having a hole according to any one of the third to fourth aspects, wherein the shaft end contacting means extends in the axial direction of the expanding and contracting cone body. And a pull rod having a hook at the tip thereof, and a pull rod driving device for moving the pull rod back and forth so as to be rotatable around its axis. The hook is passed through the entry hole provided in the end face of the, and when the pull rod is retracted from the shaft, the hook is hooked on the periphery of the entry hole to retract the shaft.

According to the mounting device for a rigid body having this hole,
Since the shaft end contact means is configured and provided in this manner, the shaft can be easily pulled into the expansion / contraction cone body side, and both end faces can be brought into contact.

According to a sixth aspect of the present invention, there is provided the mounting device for a rigid body having a hole according to any one of the third to fifth aspects, wherein the rigid body is a core for specifying an inner peripheral surface of the tire,
The shaft is used as a core mounting axis of the tire molding machine.

The operation of attaching the core for specifying the inner peripheral surface of the tire to the core attachment shaft of the tire molding machine from tire molding to vulcanization is a routine operation. Among them, automation is one of the most required tasks, but for all of the huge number of cores, these are kept directly at the mounting shaft of the molding machine while maintaining the correct position and posture. Although it was impossible to insert the rigid body, the rigid body mounting apparatus having this hole has an extremely large effect in that the automation is enabled.

According to a seventh aspect of the present invention, there is provided a tire manufacturing system for manufacturing a tire using a core for specifying an inner circumferential surface of the tire from the molding of the tire to the end of vulcanization. A tire forming machine having a core mounting shaft and a mounting device according to claim 6 for mounting a core to the tire forming machine.

As described above, in the tire manufacturing system, the core can be automatically attached to and detached from the core attaching shaft of the molding machine, so that an efficient system can be provided.

In the tire manufacturing system according to the present invention, the tire molding machine further comprises a core locking means for fixing a core mounted on a core mounting shaft, wherein the core locking means comprises: A plate-like stopper that regulates the axial displacement of the core, a push claw that presses the core against the stopper and that can be stored in the core mounting shaft, and a projection that engages with the core and regulates the circumferential displacement of the core Alternatively, it is constituted by notches.

According to this tire manufacturing system, the core can be securely and easily detachably fastened to the core mounting shaft of the tire forming machine.

According to a ninth aspect of the present invention, there is provided a tire manufacturing system according to the eighth aspect, wherein a protrusion or a notch is provided on an outer periphery of the plate-like stopper to regulate a circumferential displacement of the core. is there.

According to this tire manufacturing system, the means for transmitting the torque around the core mounting shaft to the core is formed on the outer periphery of the plate-shaped stopper by a projection or notch that engages with the core side, so that this can be further simplified. Can be configured.

[0025]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a method and an apparatus for mounting a rigid body having a hole on a shaft and a tire manufacturing system using the apparatus according to the present invention are shown in FIGS.
This will be described with reference to FIG.

FIG. 1 is a plan view showing an embodiment of a tire manufacturing system according to the present invention. The tire manufacturing system includes a tire forming machine 2 for winding a tire member around a core 3 mounted on a core mounting shaft 50 to assemble a raw tire, and mounting an empty core 3A on the tire forming machine 2. The actual core 3 is obtained from the apparatus 1A and the tire molding machine 2.
The real core take-out device 1B for taking out B, and the empty core 3 assembled at the core assembly station (not shown) are transferred from the empty core loading station 76A to the empty core mounting device 1A.
And a discharge loader 7 for transferring the empty core loading loader 73A and the real core 3B from the real core unloading device 1B to the real core unloading station 76B.
3B.

In FIG. 1, the empty core loading loader 73A
And the actual core discharge loader 73B have the same structure,
Each arm has a swing arm 74A, 74B that swings around a swing axis 77A, 77B and an expansion / contraction hand 75A, 75B attached to the tip of the swing arm 74A, 74B.

The operation of the empty core loading loader 73A is as follows. That is, at the empty core loading station 76A, the expanding / reducing hand 75A is lowered, and the empty core 3A
Is gripped in a posture in which its axis is vertical, and then the expansion / contraction hand 75A is raised to pivot the pivot arm 74A, and the core transfer position 86 of the empty core mounting device 1A.
In A, the expansion / contraction hand 75A is lowered, and the empty core 3A is delivered to the empty core mounting device 1A while keeping its axis perpendicular. Then, following the same route, the hand 7
Return 5A to empty core loading station 76A and wait.

On the other hand, the real core discharge loader 73B is provided at the core transfer position 86B of the real core removal device 1B.
Then, the expansion / contraction hand 75B is lowered, the real core 3B on which the raw tire is mounted is picked up from the actual core take-out device 1B in a posture with its axis vertical, the expansion / contraction hand 75B is raised, and then the turning arm 74B is moved. Turn, and at the actual core unloading station 76B,
B is lowered, and the actual core 3B is transferred to the next step. Thereafter, following the same route, the expansion / contraction hand 75B is returned to the core transfer position 86B of the actual core removal device 1B, and is made to stand by.

Further, the tire forming machine 2 is provided with a core mounting shaft 50 for mounting the core 3 and a core locking means 60 for fixing the core 3 to the core mounting shaft 50 so that the core 3 does not shift during the forming operation. Provided.

Next, the configuration and operation of the empty core mounting device 1A and the real core removal device 1B will be described. The empty core mounting device 1A and the real core removal device 1B have the same configuration. In order to make the explanation easy to understand, the empty core mounting device 1A will be described, and the description of the actual core extracting device 1B will be described in the empty core mounting device 1A.
Supplement only the differences.

FIG. 2 is a side view of the empty core mounting apparatus 1A as viewed from II-II 'in FIG. Empty core mounting device 1A
The main body 40 including the expansion / contraction cone body 20 and the main body 40
Drive device 82 for swinging the shaft 85 around a swing shaft 81 via a chain 83, a frame 85 on which these are mounted, and a translation mechanism for moving the frame 85 closer to or away from the tire forming machine 2. It has 87.

Next, the operation of the empty core mounting apparatus 1A will be described. Scaling cone body 20 of empty core mounting device 1A
And make it stand by with its tip facing upwards,
The expansion / contraction hand 75A of the empty core loading loader 73A is lowered at the position 86A, and the expansion / contraction cone body 20 is inserted into the hole of the empty core 3A which is being gripped.
Place A. Then, the empty core 3A is moved to the expansion / contraction hand 75.
After releasing from A, the expansion / contraction hand 75A is raised.

On the other hand, the expansion / contraction cone body 20 is expanded in diameter, and the outer peripheral surface of the expansion / contraction cone body 20 is fitted into the hole of the empty core 3A.
Align the axis with Next, the swing driving device 82 is driven to move the expanding / contracting cone body 20 around the swing shaft 81 by 90 degrees.
The tip of the expanding / contracting cone body 20 with the tire molding machine 2
To the core mounting shaft 50. Then, the core 3A fitted to the expansion / contraction cone body 20 by the translation device 87.
After approaching the tire molding machine 2, the details will be described later,
Shaft end contact means, pusher, and core lock means 60
The expansion / contraction cone body is used to move the core mounting shaft 5 of the molding machine 2
After the end faces are brought into contact with each other by aligning the axis with 0, the core 3
A is transferred to the core mounting shaft 50 of the tire molding machine 2,
This is fastened to the core mounting shaft 50. Then, molding of the tire can be started.

It has the same structure as the empty core mounting device 1A.
When the real core 3B is taken out from the core mounting shaft 50 of the tire molding machine 2 by using the core take-out device 1B and delivered to the real core discharge loader 73B, the order is the reverse of that of the empty core mounting device 1A. This can be realized by operating. That is, the actual core removal device 1B
The end face of the expansion / contraction cone body 20 and the end face of the core mounting shaft of the tire molding machine 2 are brought into contact with their axes aligned, and then the core locking means 60 of the molding machine 2 is released to attach the actual core 3B and the core. After unfastening with the shaft 50, not shown,
The actual core 3B is transferred to the outer periphery of the expansion / contraction cone body 20 of the actual core removal device 1B by the core pushing back cylinder. Then, the expansion / contraction cone body 20 is swung 90 degrees around the swing shaft 81, and its tip is directed upward. In this state, the diameter of the expanding and contracting cone body is reduced, and the actual core 3B is supported by the base end of the expanding and contracting cone body 20, and the actual core discharge loader 73B
Is lowered so that the core can be gripped outside.

Next, the detailed structure and operation of the main body 40 of the empty core mounting apparatus 1A will be described. 3 is a sectional view of the main body 40, FIG. 4 is a view taken along the line IV-IV ′ of FIG. 3, FIG. 5 is a view taken along the line VV ′ of FIG. 3, and FIG. '
FIG. 7 is a view taken along arrow VII-VII ′ of FIG. FIG. 3 is a cross-sectional view taken along the line III-III ′ of FIG.

The main body 40 includes an expanding / contracting cone body 20 composed of four segments 21 and an enlarging / reducing drive mechanism 2 for enlarging / contracting the same.
9. A shaft end contacting means 30 for bringing the front end of the expansion / contraction cone body 20 into contact with the end face of the core mounting shaft of the tire molding machine 2 with their axes aligned, and the empty core 3A are connected to the expansion / contraction cone body. A pusher 37 transferred from the base 20 to the core mounting shaft 50 of the tire forming machine 2;
And a main body supporting portion 41 which swings around.

First, the four segments 21 constituting the expansion / contraction cone body 20 have an arc-shaped cross section as shown in FIG. 5, and as shown in FIG. It is in a state. As shown in FIG. 6, the base end of each segment 21 is attached to the main body support 49 so as to be swingable around the segment swing shaft 22, and the tip of the segment 21 is swingable with the link 23, respectively. It is connected to.

The expansion / contraction drive mechanism 29 for expanding / contracting the expansion / contraction cone body 20 is connected to the four links 23 at the end opposite to the segment connection end side of the four links 23, and provided on the main body support portion 41. It has a single reciprocating block 24 that moves back and forth along a shaft 48 and two cone body expansion / contraction cylinders 25 that are connected to the moving block 24 and move it forward and backward.

Further, as shown in FIG.
Numeral 0 includes two pull rods 31 each having a hook 33 at the tip and two pull rod advance / retreat cylinders 35 for moving these pull rods 31 forward and backward.

The pusher 37 extrudes the empty core 3A.
It is composed of two push blocks 38 and two pusher cylinders 39 having these attached to the tips.

FIG. 8 shows the empty core mounting device 1A
FIG. 4 is a cross-sectional view showing A in a standby state. That is, the diameter of the four segments 21 constituting the expansion / contraction cone body 20 is reduced, and the expansion / contraction cone body 20 stands by with its axis oriented vertically. Thereafter, the expansion / contraction hand 75A of the empty core loading loader 73A is lowered, and the expansion / contraction cone body 20 is inserted into the hole of the core 3A gripped by the expansion / contraction hand 75A. Since the expanding and contracting cone body 20 has a reduced diameter, it can be easily inserted.

Here, the expansion and contraction operation of the expansion and contraction cone body 20 is as follows.
The advance / retreat block 24 is advanced / retracted along the guide shaft 48 by the two cone body expansion / contraction cylinders 25, and
The linking end of the link 23 connected to the segment 4 with the segment is
This is performed by bringing the expansion / contraction cone body 20 into close proximity to the axis.

Next, as shown in FIG. 9, the diameter of the expanding and contracting cone body 20 relatively inserted into the hole of the empty core 3A is expanded. Since the outer peripheral surface of the expanding / contracting cone body 20 at the time of diameter enlargement is manufactured so as to fit exactly to the inner peripheral surface of the empty core 3A, this expanding / contracting operation of the expanding / reducing cone body 20 causes The axial center with the empty core 3A can be matched.

Subsequently, the main body 40 is swung 90 degrees so that the axis of the expansion / contraction cone body 20 is horizontal, and the front end of the expansion / contraction cone body 20 is attached to the core mounting shaft 5 of the tire molding machine 2.
0. Thereafter, the end face of the expanding / contracting cone body 20 and the end face of the core mounting shaft are brought into contact with each other by using the shaft end contacting means 30 so that their axes are aligned with each other. This operation will be described with reference to FIGS.

FIG. 10 is a sectional view showing a core mounting shaft 50 of the tire molding machine 2. A cavity 54 is provided inside the core mounting shaft 50, the shaft end side of the cavity 54 is closed, and an end plate 51 forming a shaft end surface is integrally attached to the core mounting shaft 50, and the end plate 51 is attached to the end plate 51. Has two elliptical holes 52. In addition, the edge of the end face of the core mounting shaft 50 is provided with a tapered surface 53 for aligning the axes with each other in cooperation with the front end of the expansion / contraction cone body 20.

FIG. 11 is a schematic view showing an operation of bringing the end face of the expanding / contracting cone body 20 into contact with the end face of the end plate 51 of the core mounting shaft 50 by using the shaft end contact means 30 of the empty core mounting apparatus 1A. It is. An elliptical hook 33 having an outer contour smaller than the inner contour of the hole 52 is provided at the tip of the pull rod 31 provided in the main body 40 of the empty core mounting apparatus 1A. As shown in FIG. And the hole 52 are opposed to each other so that their axes and ellipses are approximately aligned.

Then, as shown in FIG. 11B, the pull rod 31 is advanced in the direction of arrow A toward the end plate 51, and the hook 33 is passed through the hole 52 and positioned in the cavity 54 behind. . Subsequently, as shown in FIG. 11 (c), the pull rod 31 is rotated around its axis by 90 degrees in the direction of arrow X, and the rotation angle is maintained as shown in FIG. 11 (d). When the pull bar 31 is pulled, the hook 33 is
2 so that the end plate 51 of the core mounting shaft 50 is
Can generate a pulling force.

At this time, by setting the translation mechanism 87 of the empty core mounting device 1A to a free state,
0 can be brought into contact with the end face of the core mounting shaft. By this contact, the tapered portion 53 on the end face of the core mounting shaft and the tapered face provided at the tip of the segment 21 constituting the corresponding enlarged / reduced cone body 20 can be engaged with each other so that their axes are aligned. it can.

FIG. 12 is a cross-sectional view showing a state in which the expansion / contraction cone body 20 and the core mounting shaft 50 are brought into contact with each other with their axial centers coincident with each other. In FIG. 12, the expansion / contraction cone body 20 and the core mounting shaft 50 of the tire molding machine 2 are shown.
Since the shaft outer diameters are set to be the same, the push block 38 can be advanced by the pusher cylinder 37, and the empty core 3A can be transferred to the core mounting shaft 50 of the tire molding machine 2.

Next, the core mounting shaft 5 of the tire molding machine 2
The core locking means 60 for locking the empty core 3A transferred to 0 to this axis will be described. FIG. 10 is a cross-sectional view showing a state where the core 3 is locked to the core mounting shaft 50 of the tire molding machine 2. On the base end side of the core mounting shaft 50, a stopper 69 for restricting the axial displacement of the core 3 is provided.

A hollow inside the core mounting shaft 50 has a core lock cylinder 66 mounted on the molding machine main body,
A cam 64 attached to the tip of the core lock cylinder 66 and moving forward and backward in the axial direction is provided.
0, a swing shaft 62, a swing link 65 swinging around the swing shaft 62, a roller follower 63 attached to one end of the swing link 65, and a swing link 65.
A push claw 61 is attached to the end opposite to the roller follower 63 and pushes a surface 3S provided on the inner surface of the core 3 and perpendicular to the core axis.

The roller follower 63 has a cam 64
Can be swung around the swing shaft 62 in accordance with the axial movement of. In FIG. 10, the cam 64 advances to the distal end side of the core mounting shaft 50, and the roller follower 63 is also located at the distal end side.
Is pressed against the surface 3S.

FIG. 13 is a sectional view showing a state where the core 3 is unlocked from the core mounting shaft 50. In this state, since the core lock cylinder 66 is retracted,
The cam 64 and the roller follower 63 are attached to the core mounting shaft 50.
, So that the push claw 61 is separated from the core 3. Further, since the push claws 61 are housed inside the core mounting shaft 50, the core 3 can be pulled out without interfering with the push claws 61.

FIG. 14 is a view taken in the direction of the arrows XIV-XIV 'in FIG. As shown in FIG. 14, the stopper 69 is provided with a notch 68 that engages with the protrusion 67 provided on the core 3 and transmits the circumferential torque.

The operation of the empty core mounting apparatus 1A and the tire molding machine 2 when the empty core 3A is mounted on the core mounting shaft 50 of the tire molding machine has been described above.
Regarding the operation of the actual core ejection device 1B and the operation of the tire molding machine 2 when removing B from the core mounting shaft 50 of the tire molding machine 2, the operation at the time of mounting the empty core is performed in the reverse order in the reverse order. Since this can be achieved by performing, detailed description is omitted.

[0057]

As is apparent from the above description,
According to the present invention, when the rigid body having the hole is mounted on the shaft, the expanding and contracting cone body is reduced in diameter and inserted into the hole of the rigid body, and the diameter of the expanding and contracting cone body is increased in the hole. After aligning the axis of the hole with the expansion / contraction cone body, and then using the shaft end contact means to align the axis of the expansion / contraction cone body with the shaft, this rigid body is transferred to the shaft. To
And this rigid body can be efficiently mounted on a shaft.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a tire manufacturing system according to the present invention.

FIG. 2 is a side view showing the empty core mounting device as viewed from II-II 'in FIG.

FIG. 3 is a sectional view showing a main body of the empty core mounting device.

FIG. 4 is a view taken in the direction of arrows IV-IV ′ in FIG. 3;

FIG. 5 is a view taken in the direction of arrows V-V ′ in FIG. 3;

FIG. 6 is a view taken in the direction of arrows VI-VI ′ in FIG. 4;

FIG. 7 is a view taken along the line VII-VII 'of FIG.

FIG. 8 is a sectional view showing another state of the empty core mounting device.

FIG. 9 is a sectional view showing another state of the empty core mounting device.

FIG. 10 is a sectional view showing a core mounting shaft of the tire molding machine.

FIG. 11 is a schematic view showing the operation of the shaft end contact means.

FIG. 12 is a sectional view showing another state of the empty core mounting device.

FIG. 13 is a sectional view showing another state of the core mounting shaft of the tire molding machine.

FIG. 14 is a view as viewed in the direction of arrows XIV-XIV ′ in FIG. 10;

[Explanation of symbols]

 Reference Signs List 1A empty core mounting device 1B actual core removal device 2 tire forming machine 3 core 3A empty core 3B actual core 3S core surface 20 expansion / contraction cone body 21 segment 22 segment swing shaft 23 link 24 advance / retreat block 24 25 cone body expansion / contraction cylinder 29 expansion / contraction Drive mechanism 30 Shaft end abutting means 31 Pull rod 33 Hook 35 Pull rod reciprocating cylinder 37 Pusher 38 Push block 39 Pusher cylinder 40 Main body 41 Main body support 48 Guide shaft 50 Core mounting shaft 51 End plate 52 End plate hole 53 Tapered surface at the end of the core mounting shaft 54 Cavity inside the core mounting shaft 60 Core locking means 61 Push claw 62 Swing shaft 63 Roller follower 64 Cam 65 Swing link 66 Core lock cylinder 67 Projection 68 Notch 69 Stopper 73 Empty core loading loader 73B Actual core discharging loader 74A, 74B Swivel arm 75A, 75B Expanding / reducing hand 76A Empty core loading station 76B Actual core unloading station 77A, 77B Swivel axis 81 Swing axis 82 Swing drive unit 83 Chain 85 Body 86A Empty Core delivery position of core mounting device 86B Core delivery position of actual core removal device 87 Translation mechanism

Claims (9)

[Claims] When the shaft is fitted into a columnar hole of the rigid body and the rigid body is mounted on the shaft, the rigid body is formed of a plurality of arc-shaped segments, and when the diameter is increased, the outer peripheral surface fits into the columnar hole of the rigid body. The expanding and contracting cone body that forms
The diameter is reduced, and the cone is made to stand by. The expanding / contracting cone body relatively enters into the hole. Then, while the rigid body is flexibly supported, the diameter of the expanding / contracting cone body is increased, so that the columnar hole of the rigid body and the expanding / contracting cone body are enlarged. After aligning the axes with the shaft, the end face of the expansion / contraction cone body is brought into contact with the end face of the shaft by aligning their axes with each other, and the rigid body is actuated with a force parallel to the axis of the expansion / contraction cone body. A method of mounting the rigid body having a hole to the shaft by transferring and attaching the rigid body to the shaft. 2. The method for mounting a rigid body having a hole on a shaft according to claim 1, wherein the rigid body is flexibly supported by placing the rigid body on a horizontal surface. 3. A device for mounting a rigid body having a hole to a shaft according to claim 1, comprising a plurality of arc-shaped segments, which fits into a columnar hole when the diameter is increased. The expansion / contraction cone body forming the outer peripheral surface, the support means for flexibly supporting the rigid body, the shaft end contact means for bringing the end face of the expansion / contraction cone into contact with the end face of the shaft, and the rigid body, A pusher for transferring and mounting the rigid body to the shaft by operating a force parallel to the axis is provided.At the same time, the shaft and the expansion / contraction cone body are paired with the tapered surface provided on the end face of the shaft. Rigid body mounting device with a tapered surface on the end face of the segment 4. A mounting device for a rigid body having holes according to claim 3, wherein the support means for flexibly supporting the rigid body is constituted by a horizontal support portion on which the axial end face of the core is placed. 5. A pull rod extending in the axial direction of the expansion / contraction cone body and having a hook at a tip thereof, and a pull for moving this pull rod back and forth so as to be rotatable about its axis. A rod drive device is provided, and a hook is passed through an entry hole provided in the end face of the shaft when the pull rod enters the shaft, and the hook is moved when the pull rod retreats from the shaft. 5. A structure in which the shaft is retracted by being hooked on a peripheral portion of the entrance hole.
A mounting device for a rigid body having a hole according to any one of the above. 6. The rigid body having a hole according to claim 3, wherein the rigid body is a core for specifying an inner peripheral surface of the tire, and the shaft is a core mounting axis of a tire molding machine. Mounting device. 7. A system for manufacturing a tire using a core for specifying an inner peripheral surface of a tire from the tire molding to the end of vulcanization, comprising: a tire molding machine having at least a core mounting axis; A tire manufacturing system comprising the mounting device according to claim 6 and a core mounted thereon. 8. A tire molding machine is provided with a core locking means for fixing a core mounted on a core mounting shaft, and the core locking means is provided with a plate-shaped stopper for restricting axial displacement of the core, and a core mounted on the stopper. The tire manufacturing system according to claim 7, comprising a pressing claw to be pressed and housed in a core mounting shaft, and a protrusion or a notch that engages with the core side and regulates a circumferential displacement of the core. 9. The tire manufacturing system according to claim 8, wherein a protrusion or a notch is provided on an outer periphery of the plate-shaped stopper to restrict a circumferential displacement of the core.