CN86100360A - Be assemblied in and be used for device that the tire of intending taking off is felt relieved in the vulcanizing press - Google Patents

Abstract

Tyre dismounting arm and centering arm are arranged on the top and bottom of frame in this vulcanizing press, and they can move front and back on the position of vulcanizing press molding metal mold.Tyre dismounting arm flatly is advanced to sulfureted tire place, and the rising of central clamping mechanism is fit to from metal pattern disengagement down, so that tyre dismounting arm is suitable for inserting under the tire lower surface tire.But the tyre dismounting arm pan-up, when it moved upward continuously, when rising along with it, the centering arm that has inserted can vertically move down, and the centering bar inserts the intermarginal up and down of tire, is suitable for radially seesawing.Behind the offset correction of center, promptly vertically fix tire with above-mentioned two arms.

Description

Be assemblied in and be used for device that the tire of intending taking off is felt relieved in the vulcanizing press

The present invention relates to a kind of like this device, when tire being taken off from the tire vulcanizing press when installing on the rear inflater, can guarantee the tire that vulcanizes therein the heart do not have under the condition of displacement safety take off.

As is generally known, the main member of tyre vulcanization press comprises: a vertical metal pattern and inflatable and a shrink capsule, this capsule is maintained by the central clamping mechanism that is installed in down the metal pattern center, this press is by the method in the metal mold under with the tire loading machine crude tyre being put into, come tire is pressurizeed and vulcanization forming, make, following metal pattern closure is fastening, capsule is line with tire and contacts, pressurized vapor and so on thermal medium is fed in the capsule, and heat vertical metal pattern, the tire of sulfuration is taken out from metal pattern, break away from capsule and transfer to rear inflater to stand necessary post processing.

Technology routinely is as mentioning in clear (45)-of Japan Patent No. 24018, when using the tire unloader to take out tire, tire is held, get loose backward, utilize the deadweight of tire usually, tire is transported on the rear inflater by means of the held of the roller bed of an inclination.According to this traditional handicraft, because being the center (center of metal pattern) from vulcanizing press, the tire that is removed throws off, under its free condition, be moved to an end of rear inflater, in order accurately above-mentioned tire to be moved on on the rear inflater, various guiders and other position controls must be provided on above-mentioned descending manner conveyer, otherwise just be difficult to prevent that the tire center is offset, and this difficulty is must be top-priority.Equally, for transmitting tire mode with this class of rotation mode driven roller conveyer, above-mentioned difficulties exists too.

Replace above-mentioned method, the method of taking off tire as the another kind of being mentioned in clear (55)-of Japan Patent No. 1112, when the lower surface at tire inserts the tire unloader, support arm with propulsion mode support tire upper surface is provided with separately, so that tire is sandwiched between unloader and the support arm, but, not only be difficult to support tire but also can not proofread and correct the tire off-centring that I guess causes with above-mentioned means because excessively worry has just processed tire to be vulcanized and deforms and damage.

First purpose of the present invention is a tire balance off-centring when accurately and safely unloading the tire that vulcanizes and make with the tyre vulcanization press.

Second purpose of the present invention is, provide tire to unload lower member and centering parts, make it to advance and this class simple motion of vertical displacement movement as horizontal direction, just can avoid tire to cause the irregular of itself because of its position distortion, and can make the tire of just having thrown off be able to feel relieved, thereby can make tire stablize and be transported to exactly an end of rear inflater at the tyre vulcanization press from metal pattern.

The 3rd purpose of the present invention is, when when unloading the tire parts and from metal pattern, take off tire, this tire is these parts and bears, it was fit to do motion vertically upward when this unloaded tire parts water intaking mean place, and with metal pattern center concentric position on, utilization follows these centering parts that unload the tire parts to proofread and correct the center displacement that this unloads the tire parts, finished unload the moving upward of tire parts after, this unloads the tire parts and promptly retreats from vulcanizing press with the centering parts, so just can easily make the tire that has vulcanized obtain accurate and safe conveying.

The 4th purpose of the present invention is that the calibrated tire of off-centring retreats by frame and takes out from vulcanizing press, simultaneously this unloads tire and the centering parts can guarantee that tire is fixed on them between the two vertically, and tire accurately is transported to an end of rear inflater then.

Fig. 1 is the plane of tyre vulcanization press that adopts the present invention's device; Fig. 2 is the front view that adopts the tyre vulcanization press of apparatus of the present invention; Fig. 3 is the side view of this press; Fig. 4 is the side view of major part of the embodiment of apparatus of the present invention; Fig. 5 is the front view of major part of the embodiment of apparatus of the present invention; Fig. 6 is along the cutaway view of A-A line among Fig. 4; Fig. 7 is the main body plane of the embodiment of apparatus of the present invention; Fig. 8 is the front view of main body of the embodiment of apparatus of the present invention; Fig. 9 is the front view of the bearing of apparatus of the present invention; Figure 10 is the detailed sectional view of D part among Fig. 8; Figure 11-A is the key diagram of apparatus of the present invention operating state order to 11-F; Figure 12 is side view and the bottom view of another embodiment of centering bar.

Embodiments of the invention are described below in conjunction with appended figure:

At first referring to Fig. 1,2 and 3, these figure illustrate the armamentarium of the centring means of a kind of double mode tyre vulcanization press that relates to when enforcement is of the present invention with way of example, the rear inflater 2 that is parallel to each other is equipped with at the rear portion of tyre vulcanization press 1, from being vulcanized and the tire made then is carried to a side of rear inflater 2 by it that vulcanizing press 1 takes off.Because tyre vulcanization press 1 and rear inflater 2 are well-known, their detailed description has just been omitted, the main member of known vulcanizing press 1 comprises the following metal pattern 4 that is installed on press rack 3 supports, but be installed in last metal pattern 5 on the press rack 3 in the vertical lift mode, and the central clamping mechanism 6 that the capsule of being made by rubber one elastic-like material is installed, these seed capsules are installed in a side of support, be on the center (center of press) of metal pattern, following metal pattern 4 can lifting, inflatablely contact as line with being in the green tire inner surface of collapsible attitude, such vulcanizing press 1, for example shown in the figure, be to adopt dual-mode structure, two cover metal patterns 4 and 5 are installed on the frame 3 in mode parallel to each other.Certainly, except this bimodulus vulcanizing press, the present invention also overlaps the monotype vulcanizing press of metal pattern or comprises that two overlap the multi-mode vulcanizing press more than the metal dies applicable to including only one.As known to, state in the use under the vulcanizing press situation of structure, when with rotatable tire loading machine 7 crude tyre being contained in to be in the following metal pattern 4 of open state, the last metal pattern 5 of this moment is upwards return, so the capsule in the central clamping mechanism 6 then remains expansion state with cylinder and vertical form.Continue it, when on the last metal pattern that moves back 5 when descending with following metal pattern 4 closures, in the pilot process of above-mentioned decline, because last metal pattern 5 follows hold-down ring on to catch the upper end of this capsule with the embedding form, capsule is deformed to be contacted with the inner surface generation line of crude tyre with bending, tire inner surface has begun the shaping process simultaneously, and this is to rely on to supply with pressurized vapor and so on thermal medium, carry out via central clamping mechanism 6, in this simultaneously, the pressurization of crude tyre and vulcanization forming are also via last metal pattern 5 and following metal pattern 4 closures, the mould matched moulds, heating plate heating of metal moulds by dress in metal die 4 and 5 and the thermal medium of pressurization be fed to one can airtight metal die 4 and 5 the inner supervisor of air chamber finish.Finished sulfuration process, after unclamping mould and upwards returning metal pattern 5, the tire footpath of having vulcanized is separated from down an end of metal pattern by capsule, and move upward by means of the central clamping mechanism 6 that moves upward, on this position that tire moves upward, the lower surface of tire is held in the tire unloader holder of inserting from the vulcanizing press outside, in this case, in the centre of support clamp mechanism 6 on the upper surface of capsule hold-down ring move upward separately, this capsule is taken out with the form that expands, be separated from the inner surface of tire, and be deformed into the cylinder form of setting, for this cause, the moving upward of unloader can allow tire depart from this capsule and move upward, as previously described, the roller conveyer that this unclamped tire is promptly driven by tilting roller conveyer or rotation transmits tire is guided on the rear inflater 2, accepts inflation there and handles.

When above-mentioned vulcanizing press takes off the tire that vulcanizes, as shown in Fig. 1 and 3, the invention enables the tyre dismounting arm on the center that is installed between tyre vulcanization press 1 and the rear inflater 2, when its with respect to vulcanizing press in metal pattern center back and when carrying out horizontal movement forward, but center position vertical lift at metal pattern, and make and also to be independent of tyre dismounting arm 8 and the displacement at tire balance center with proal centering arm 9 at the center position of metal pattern backward with tyre dismounting arm 8, finish tire by arm 8 and 9 simultaneously and take off correction with the displacement of tire center, take off tire by these two arms 8 and 9 from vulcanizing press then, tire guiding rear inflater 2.

Describe arm 8 and 9 the two the structures of embodiment below in detail:

Referring now to Fig. 4,5 and 6,, support 10 itself normally is used for holding tyre dismounting arm 8 and centering arm 9, it can move forward and backward with respect to vulcanizing press 1, by attaching parts 13 with to drive cylinder 12(fluid pressure operated by hydraulic pressure and so on) piston rod is connected, the driving cylinder is installed on the fixing entablature 11.At this moment, be assemblied in many (for example two) upper and lower guide shafts 14 on the attaching parts 13, enter the guideway 15 that is installed in fixing engine mount 11 1 ends with infix form to be slidably supported mode, the deflector roll 16 that is contained in attaching parts 13 left sides and right side respectively then is that rotatably rest is being installed to above similar type on the guide rail 17 of stationary engine frame 11, and guide shaft and guideway are to make support do accurate horizontal movement and not produce the accessory of rotation along rectilinear direction.Deflector roll 19 is contained on the guide groove 18 with sliding type, guide groove vertically is installed in the lower end of unloading lower member 10a that aforesaid frame 10 is erect, but the shaft support 20 that deflector roll 19 is housed then with the mode of vertical lift by ring 22 it with drive cylinder 21(fluid pressure operated by hydraulic pressure and so on) piston rod 21a couple together, this driving cylinder is contained in and unloads on the lower member 10a, a back shaft 23 is not fixed on the horizontal pipe box 20a rotationally, with unload lower member 10a and meet at right angles, horizontal pipe box is contained in certain part of shaft support 20 in the mode of inserting, the a pair of arm 8a and the 8b that constitute tyre dismounting arm 8 install on the back shaft 23 abreast in rotatable and fixable mode, distance between such two arm 8a and the 8b can be regulated, and regulates the domination that is subjected to tire size.Shown in Figure 4 and 5, when shaft support 20 was positioned at minimum position, above-mentioned pipe box 20 contacted with horizontal support member 10b in the frame 10.From above-mentioned two figure, also can see, the tyre dismounting arm of representing with solid line among the figure in left side is represented its progressive position, the tyre dismounting arm of representing with chain-dotted line in right part of flg 8 is then represented its going-back position, represent that with vertical mode the purpose of whole tyre dismounting arms 8 is explanation on above two positions, the arm that lays respectively at the position that moves forward and backward can vertically upward and move downward.

Contrast with above-mentioned tyre dismounting arm 8, in Figure 4 and 5, also show the elevating mechanism of understanding centering arm 9, it has the deflector roll 25 on the fuselage 9a that is contained in centering arm 9, this centering arm is to be arranged on the guide groove 24 of the installing component 10a upper end that vertically is installed in frame 10 with sliding type, assembling fuselage 9a around installing component 10a outside, driving cylinder 26(on the installing component 10a is fluid pressure operated by air pressure and so on) piston rod 26a then be connected on the fuselage 9a, load onto the centering arm at this, it can be independent of tyre dismounting arm 8 and moves up and down like this, simultaneously owing to being mounted on the frame 10, so can move forward and backward with tyre dismounting arm.Additional disclosure, the T among Fig. 4 represents the tire that vulcanized.

Come again referring to Fig. 7,8,9 and 10, they illustrate the above-mentioned centering arm 9 and the detailed structure of tyre dismounting arm 8 with a kind of supplementary mode, just like in the past illustrated in conjunction with Fig. 1 to 3, from Fig. 7, can be clear that, because these embodiment have adopted double mode tyre vulcanization press 1, back shaft 23 stretches out from the two ends that are installed in the horizontal pipe box 20a on the support 20 on the frame 10, but this vulcanizing press mode of vertical lift itself, correspondingly be equipped with two cover metal sulphide moulds and two groups of tyre dismounting arms 8 and 8, but in the monotype vulcanizing press, then only require from the end of horizontal pipe box 20a and stretch out back shaft 23.In order to regulate a pair of arm 8a in the tyre dismounting arm 8 and 8b to adapt to the variation of tire size, as shown in Fig. 7 and 9, an end that is separately positioned on back shaft 23 as the scale 27a and the 27b of graduated scale 27, and arm 8a and 8b come just can change the distance between them neatly when mobile according to scale 27a and 27b.

From Fig. 7, can know and see, centering arm 9 also has two groups of arms 9 and 9 that are installed in fuselage 9a two ends respectively, but fuselage is installed in the upper end of frame 10 in the mode of vertical lift, and under monotype vulcanizing press situation, only needs at arm 9 of fuselage 9a one end installation just enough.Because two centering arms 9 use identical structure, so only one of them is described; As Fig. 7, shown in 8 and 10, as a rotary moveable ring 30 around the neighboring of support ring 29 so that mode is installed slidably, support ring then integrally installs to the lower surface of the arm plate 28 that stretches out from fuselage 9a, and be contained in bearing pin 31 on ring 30 the neighboring part that rotatablely moves with fixed form, then be contained on the arc guiding hole 32 in the mode of sliding, this guide hole exposes with the form that the embeds upper surface from arm plate 28, this bearing pin 31 is also operated by the fluid pressure of air pressure and so on the driving cylinder 33(that is installed in arm plate 28 upper surfaces) piston rod 33a be connected, thus, rotary moveable ring 30 just is suitable for by forward and reverse rotation.In Fig. 7, the centering arm 9 on this figure left side is being supported the upper surface of arm plate 28, and the centering arm 9 on this figure right side is then being supported the lower surface of arm plate 28.

For illustrated three driving rings 34, each end of ring all equally spaced is installed on the neighboring of above-mentioned rotatable motion ring 30 in pivotally connected mode, the gathering sill 35 of similar number is then pressed radially loading on arm plate 28, the guide rod 36 parallel with gathering sill that similar number arranged in addition also radially and put lower surface one side at arm plate 28, this is that periphery one end by inner rim that the two ends of guide rod is fixed to arm plate 28 and fixed support ring 29 becomes, each other end of above-mentioned driving ring 34 is suitable for vertically assembling with parts 37 that are contained in slidably on the above-mentioned guide rod 36, and these rings are owing to be to be installed on each bearing pin 39 so can be maintained slidably by the bearing 38 in the aforementioned gathering sill 35 in the mode that pivots.At this moment, each end of driving ring 34 remains on each parts 37 by frame 40, meets at right angles with centering bar 41.Natural, the number of centering bar 41 also is three, but this is the example of embodiment, and the number of the centering bar of installing on periphery that equally spaced encircles along rotatablely moving and the suitable radially extensions 41 can freely increase or reduce.At this moment, an employed above-mentioned centering bar 41 and a circle stick-like as shown in Figure 10, are a central shaft 41a and a pipe box 41b, if adopted detachable and removable centering bar 41, just can replace according to tire size easily.In other words, in Fig. 8, shown in Fig. 8 left side, centering arm 9 has adopted the long centering bar 41L of length, and this explanation is the tire T to reduced size ₁The situation of feeling relieved, and the centering arm 9 shown in right side among Fig. 8 have then adopted the short centering bar 41S of length, and this explanation is the tire T to large-size ₂The situation of feeling relieved, thus, when all set long and short in advance centering bar 41, according to tire T ₂Size only need replace a kind of among them and the centering bar is equipped to have versatility.

Be as the criterion with the centering bar 9 in the foregoing description, this moment is by driving cylinder 26 when the driving of the vertical installing component 10a of frame 10 makes fuselage 9a be suitable for moving up and down, centering arm 9 is just done with an integral body, under move both vertically, piston rod 33a's by driving cylinder 23 travels forward thus, the ring 30 of rotatable motion just is rotated counterclockwise along support ring 29, end is promptly along 35 straight the moving of the gathering sill in the arm plate 28 before the driving ring 34 that is connected with bearing pin 39, and the parts that fuse with bearing pin 39 also with bearing pin 39 along guide rod 36 straight moving, each centering bar 41 synchronously advances towards the radial outside of the ring 30 that rotatablely moves thus, when piston rod 33a retreats when making this kind motion take from moving form, each centering bar 41 promptly transfers synchronously to move towards radially inner side backward by the dextrorotation of the ring 30 that rotatablely moves, like this, as shown in Figure 8, make a collection of centering bar 41 along radially seesawing, and proofreaied and correct the off-centring of the tire T that takes off from vulcanizing press 1 with tyre dismounting arm.

Recited abovely make tyre dismounting arm 8 do the mechanism that seesaws and the mechanism that tyre dismounting arm 8 is moved both vertically up and down to make mechanism that centering arm 9 moves up and down and the mechanism that centering bar 41 is radially seesawed, be not subjected to the limit of above illustrative example, can arbitrarily change its design.As shown in Figure 12, as another centering bar 41 ¹Embodiment, wherein the mode of Cai Yonging is to contact as face with tire, differs widely and contact with the point of above-mentioned centering bar 41, therefore just can further improve its function.

Device according to the present invention who comprises tyre dismounting arm 8 and centering arm 9, can be according to as described below, make from tire vulcanizing press 1 and unload the tire that vulcanized and the working automation of tire balance off-centring: Figure 11-A have sequentially illustrated apparatus of the present invention to 11-F a series of activities process, Figure 11-A illustrates in tyre vulcanization press 1, after being finished the sulfuration of tire T and be shaped by upper and lower metal pattern 5 and 4, last metal pattern 5 moves upward and the situation of returning.Among the figure 42 represents capsule expansible and that shrink, the lower end of capsule is fixed by the following hold-down ring 45 that is installed in central clamping mechanism 6 upper ends, and the upper end of capsule is fixed by the last hold-down ring 44 that is installed in liftable piston rod 43 upper ends, on the metal pattern 4, its inside was by capsule 42 sealings simultaneously under the tire T that has vulcanized was in.In this case, the tyre dismounting arm 8 that is installed in frame 10 1 sides just stops to give up the throne under (on the right side of this figure) shown in Fig. 1,3 and 4 and puts.

Continue shown in Figure 11-B, this moment when central clamping mechanism 6 is risen allow tire T to break away from down metal pattern 4 and move upward be parked on the discharge location when, the piston rod 12a that drives cylinder 12 just retreats, make frame 10 push ahead the left side of this figure and tyre dismounting arm is inserted under the lower surface of tire T, this tire T is born by a pair of arm 8a and 8b.Meanwhile, by means of the axis of guide 14 and guiding pipe box 15, frame 10 is able to accurately level and advances, in addition, by means of the pipe box 20a on the shaft support 20, contact by horizontal support member 10b is supported, and has guaranteed that tyre dismounting arm 8 on the frame 10 mean place of fetching water reliably is supported on the lower surface of tire T.Figure 11-C explanation in that the centering arm 9 that is installed in frame 10 is in a similar manner continued is mobile, and reaches with the such situation following time shown in the 11-C state of tyre dismounting arm 8 support tire T.In addition, employing can accurately limit the testing tool that drives cylinder 12 upper piston rod strokes (as limit switch etc.) and measure its axial location simultaneously, just can easily make arm 8 and 9 both centers (vulcanizing press center) of center and following metal pattern 4 become concentric.By the effect that drives cylinder 26, make above-mentioned centering arm 9 remain on the such lifting position shown in Fig. 4 right side, be to avoid the to feel relieved collision that vertical expansion produced of arm 9 and capsule 42 of its purpose, such phenomenon unloads the process from vulcanizing press 1 at narration tire T and to mention simply.Afterwards, shown in Figure 11-D, the last hold-down ring 44 of central clamping mechanism 6 moves upward, taking off makes it break away from tire T with the capsule that interior tire contacts as line, make the capsule 42 that expands in vertical mode enter the state of throwing off tire T thus, under this state, central clamping mechanism 6 just entirely moves downward, and drive cylinder 21 promptly by means of the rising of the support of the axle that gathering sill 18 and deflector roll 19 are installed, allow the tyre dismounting arm 8 that all the time tire T is remained in horizontal level do motion vertically upward, and make tyre dismounting arm 8 continue the predetermined lifting position motion shown in the left side in Fig. 4, and stop at this place with tire T.At last, as shown in Figure 11-E, for the tire T of horizontal support on the tyre dismounting arm 8 that is positioned at lifting position, be arranged in the centering arm 9 of lifting position shown in Fig. 4 right side in a similar manner, will be shown in left side among the same figure, by means of the fuselage 9a that is connected on the piston rod 26a that drives cylinder 26, and move downward vertically along gathering sill 24, as shown in Figure 8, there is one group of centering bar 41 to be inserted in the tyre bead on the tire T that vulcanizes that tyre dismounting arm 8 fixed, promptly go up in peritreme and following peritreme t and the t, in this simultaneously, owing to drive the motion of cylinder 33, make the ring that rotates and parts 37 bar 41 that promptly helps to feel relieved radially do and seesaw, make the center of tire in full accord, carrying out the correction of the off-centring of tire T thus with the center of metal pattern on the vulcanizing press.So after tire T centering, just be suitable for tire being moved upward, in the lifting position shown in Figure 11-F, when tire T uses tyre dismounting arm 8 and centering arm vertical fixing with tyre dismounting arm 8, drive moving of cylinder 12 and just can help frame 10 to move backward, make tire T shift to an end of rear inflater 2.

Shown in Fig. 4 right side, present embodiment has provided the illustrative example of this device, in this device, makes the upper and lower motion of tire with tyre dismounting arm 8, after making tire T centering with centering arm 9, under the situation that centering arm 9 is moved downward, tyre dismounting arm 8 is suitable for moving backward, then on the going-back position of tyre dismounting arm 8, this tyre dismounting arm oppositely moves upward, and making centering arm 9 be broken away from tire T, tyre dismounting arm 8 and tire T are suitable for moving downward on going-back position then, finally get back to their initial position.

Claims (6)

1, a kind of tyre vulcanization press includes and can open and closed vertical metal pattern, be equipped with central clamping mechanism in the metal pattern center down at it, hereinto on the heart clamp mechanism then with liftable, expand and the mode of shrinking is installed with a capsule, be installed to the centring means that the tire for unloading on the above-mentioned tyre vulcanization press is felt relieved, it is characterized in that, has the tyre dismounting arm that is contained in vulcanizing press one end, like this, with respect to above-mentioned vulcanizing press, tyre dismounting arm not only can flatly seesaw, and can vertically move up and down in the center of metal pattern; Also have the centering arm, the centering arm is equipped with a collection of centering bar and makes it to seesaw simultaneously in the vertical up-or-down movement individually of metal pattern center doing with tyre dismounting arm, can also be in the tire verge of opening does along the radial direction of tire to seesaw.

2, the device that the tire for unloading on the above-mentioned tyre vulcanization press is felt relieved that installs to that meets claim 1 regulation, wherein connecting frame as this device part, generally be used for supporting tyre dismounting arm and centering arm, by the connector on the driving cylinder piston rod that is installed in engine mount, just can allow above-mentioned frame to seesaw with respect to vulcanizing press.

3, the device that the tire for unloading on the above-mentioned tyre vulcanization press is felt relieved that installs to that meets claim 1 regulation, on the connector of pedestal wherein deflector roll is installed, the latter slidably remains on the gathering sill, this gathering sill is formed on bottom one side of frame installing component with vertical in form, by the annular element on the piston rod that is installed in the driving cylinder on the above-mentioned installing component, but allow above-mentioned shaft support to be able to install by the mode of vertical lift, and when this pedestal non-rotatably is installed on the pipe box in the mode of inserting, then be installed on certain part of above-mentioned pedestal with the above-mentioned pipe box of installing component quadrature, according to tire size can regulate its spacing from a pair of arm of formation tyre dismounting arm then be installed on the above-mentioned fixed axis, make it and can slide, location and become level.

4, the device that the tire for unloading on the above-mentioned tyre vulcanization press is felt relieved that installs to that meets claim 1 regulation, wherein, in gathering sill, be equipped with the slidably support of deflector roll on the main body of centering arm, gathering sill then is a side that is formed on parts on the frame installing component in vertical mode, center on this installing component at its external mounting fuselage, and be installed to being connected of the piston rod of the driving cylinder on the installing component and the arm main body of feeling relieved, make centring means be independent of tyre dismounting arm and whole the setting, centring means is located at makes it be suitable for seesawing simultaneously on the frame with tyre dismounting arm in liftable mode.

5, the device for the tire centering that will unload on the above-mentioned tyre vulcanization press of installing to that meets claim 1 regulation, a collection of centering bar wherein are the installation forms that is arranged on the radially extensions of the equally spaced position of rotary moveable ring periphery that is positioned at the centering arm and gets vertical hanging.

6, the device that the tire for unloading on the above-mentioned tyre vulcanization press is felt relieved that installs to that meets claim 5 regulation is no matter the bar length of wherein feeling relieved all can unload and change.

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