CN102126269B - Tire vulcanization equipment - Google Patents
Tire vulcanization equipment Download PDFInfo
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- CN102126269B CN102126269B CN201010585057.4A CN201010585057A CN102126269B CN 102126269 B CN102126269 B CN 102126269B CN 201010585057 A CN201010585057 A CN 201010585057A CN 102126269 B CN102126269 B CN 102126269B
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- tire
- sulfuration
- patrix
- blade
- tyre
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Abstract
The present invention provides a set of vulcanization equipment, which ensures an enough movement distance of a blade in a tire radius direction and can use a BOM type capsule center mechanism. According to the invention, a tire dismounting device is provided with a central shaft part which comprises the following components: a central shaft which can move vertically, an outer cylinder which is externally equipped on the central shaft part, and an impeller which is supported on the outer cylinder through a contracting-expanding unit. The impeller is composed of a plurality of blades which can move between a diameter contracting state that an outer diameter of the blade is reduced to smaller than an inner diameter of a tire bead ring of an upper mold and a diameter expanding state that the outer diameter is increased to larger than an inner diameter of the tire bead part of the tire after vulcanization. The contracting-expanding unit is provided with the following components: swinging arms which is respectively provided with one end that is pivotally supported on a first rotation shaft while the other end that swings in a radius direction of the tire is provided with a guiding part; sliders which is respectively supported on the guiding part and can slide in a length direction of the swinging arm; and horizontal guiding parts which respectively guide each blade inwards or outwards in the radius direction of the tire. Each blade and each slider are connected with each other through a second pivot that is parallel with a first pivot.
Description
Technical field
The present invention relates to a kind of tire vulcanizing device, even if this tire vulcanizing device is when using the capsule central authority of BOM type, also the tire after sulfuration can be pulled down from patrix and transfer on tire receiving station standby below described patrix.
Background technology
As the tire vulcanizing device that improve production performance, the device in patent document 1 is known.This device has vulcanizing mold, and this vulcanizing mold has: counterdie, and this counterdie can move back and forth in the horizontal direction between the loading position loading crude tyre and the sulfuration position of crude tyre being carried out to sulfuration; And patrix, this patrix can move up and down in sulfuration position, and between upper die and lower die, carries out sulfuration by moving down of this patrix to described crude tyre.
In loading position, crude tyre is installed on described counterdie, makes described counterdie move to sulfuration position afterwards together with crude tyre, carry out sulfuration in sulfuration position.After curing, the tire after making patrix remain sulfuration rises and makes counterdie turn back to loading position, and the receiving station being used in the tire after receiving sulfuration is standby in described sulfuration position.Then, make tyre bead breaker action, thus the tire after described sulfuration is pulled down from the patrix risen, and the tyre revolution after described sulfuration is moved on on receiving station standby below patrix, thus transmit the tire after sulfuration.
As described tyre bead breaker, as shown in Figure 14 (A) and 14 (B), proposition has tyre bead breaker a, wherein, be configured in multiple blade b on tire circumferential direction can on tire radius direction inside and outside remain on reducing and expansion unit d movably, this reducing and expansion unit d has parallel linkage, and in this linkage, two connecting rod c1 with c2 are connected in parallel to each other.In this device a, described blade b can switch to expanding state Ye from undergauge state Yr, in described undergauge state Yr, and the internal diameter of the bead part Tb of the tire T after outer blade diameter tapers to and is less than sulfuration; In described expanding state Ye, outer blade diameter expands the internal diameter being greater than bead part Tb to.By reducing blade in expanding state Ye, the lower bead part Tb2 of the tire T after pushing sulfuration downwards, thus tire T is pulled down from patrix e.
Patent document 1: Japanese Unexamined Patent Publication 2004-122407 publication
Patent document 2: Japanese Unexamined Patent Publication 2007-320151 publication
The problem that invention will solve
But, although the said apparatus structure with parallel linkage is simple, be difficult to the sufficient distance guaranteeing that blade moves in or out on tire radius direction.Therefore, be difficult to provide so a kind of undergauge state Ye, namely blade b undergauge is less than the internal diameter of the bead ring e1 of patrix e to its external diameter.In other words, in undergauge state Yr, be difficult to make blade b make blade b standby above the lower surface e1s of bead ring e1 through bead ring e1.Therefore, blade b is configured in below bead ring e1.
On the other hand, as the capsule central authority heated from inside tires tire in sulfidation and expand, the following mechanism as shown in Figure 13 (A) and 13 (B) is known.
(A) so-called AFV type h1, it has a bag-shaped capsule f1, and this bag-shaped capsule f1 is at base opening and have the under shed portion f1a of the upper end being arranged on bag g; And
(B) so-called BOM type h2, wherein, the upper and lower end parts of cylindric curing bag f2 remains on pressed on ring iU and lower ring iL, and newel J is arranged on this pressed on ring iU and this newel J can move up and down described pressed on ring iU is moved up and down.
When BOM type h2, in order to make capsule f2 successfully expand along the inner surface of the upper bead part of tire in sulfidation, need pressed on ring iU to bring up to the height that pressed on ring iU contacts with bead ring e1.But in above-mentioned tyre bead breaker a, when using the capsule central authority of BOM type h2, pressed on ring iU contacts with blade b, thus pressed on ring iU cannot be brought up to above-mentioned height.Its result, likely can make the whole inner surface of bead part cannot be extruded equably by capsule f2.Therefore, in patent document 1, employ a kind of capsule central authority not having the AFV type h1 of pressed on ring iU.
Summary of the invention
Therefore, the object of the present invention is to provide a kind of tire vulcanizing device, this tire vulcanizing device can guarantee the sufficient displacement of blade on tire radius direction, thus blade can be made standby above bead ring under undergauge state, avoid blade and upper loop contacts thus and BOM type capsule central authority can be used.
The means of dealing with problems
In order to solve the problem, first technical scheme of the present invention provides a kind of tire vulcanizing device, and this tire vulcanizing device has:
Vulcanizing mold, this vulcanizing mold has: counterdie, this counterdie to be supported on movable stand and can load crude tyre loading position and by the sulfuration position of described crude tyre sulfuration between move; And patrix, this patrix can move up and down in described sulfuration position, between described patrix and described counterdie, sulfuration is carried out to described crude tyre by moving down of this patrix, and after curing, tire after this patrix remains sulfuration and moving up, thus described vulcanised tyre is pulled down from described counterdie;
Capsule central authority, this capsule central authority and described counterdie are supported on described movable stand coaxially, and can move together with described counterdie and keep curing bag; And
Tyre bead breaker, the tire after described sulfuration is pulled down from the described patrix risen and the tyre revolution after described sulfuration is moved on on tire receiving station standby below patrix by this tyre bead breaker,
The feature of this tire vulcanizing device is, described tyre bead breaker has:
Central axle portion, this central axle portion has the central shaft that can move up and down and the urceolus being loaded on described central shaft outward; And
Impeller, this impeller has multiple blade by reducing and expansion unit supports on described urceolus, these blades to be configured on tire circumferential direction and can be inside and outside mobile on tire radius direction between following state: undergauge state, under this undergauge state, outer blade diameter tapers to the bead ring internal diameter being less than described patrix, to allow that described bead ring passes through; And expanding state, under this expanding state, outer blade diameter expands the bead part internal diameter of the tire after being greater than described sulfuration to,
Described reducing and expansion unit has:
Installed part, each described installed part is fixed on described urceolus;
Swing arm, one end pivot Zhi Yu 1 pivot of each described swing arm, and be provided with guide part at the inside and outside other end swung on tire radius direction of each described swing arm, described 1st pivot is held in described installed part;
Slide mass, each described slide mass to be supported on described guide part and can to slide on the length direction of described swing arm; And
Horizontally-guided portion, each described horizontally-guided portion is formed at described installed part, and tire radius direction flatly inwardly or outwards guides each blade, and
The each described blade guided by described horizontally-guided portion and each described slide mass are interconnected by the 2nd pivot being parallel to described 1st pivot.
In second technical scheme of the present invention, the described urceolus of described central axle portion can move up and down relative to described central shaft and can move up and down together with described central shaft, thus make described impeller expanding to described expanding state from described undergauge state by relatively moving up of this urceolus, and described impeller is made to turn back to described undergauge state from described expanding state by relatively moving down of described urceolus.
In the 3rd technical scheme of the present invention, described capsule central authority has: cylindric curing bag; Keep the upper end of described curing bag and the upper ring and a lower ring of bottom; And newel, the upper end of this newel is arranged in described pressed on ring and this newel can move up and down described pressed on ring is moved up and down.
The effect of invention
As mentioned above, in the present invention, the reducing and expansion unit of tyre bead breaker has: swing arm, one end pivot Zhi Yu 1 rotating shaft of each described swing arm, and is provided with guide part at the other end of each described swing arm; Slide mass, each described slide mass to be supported on described guide part and can to slide on the length direction of described swing arm; And horizontally-guided portion, each described horizontally-guided portion flatly inwardly or outwards guides each blade on tire radius direction.In addition, have employed each blade and each slide mass by the interconnective structure of the 2nd pivot with the 1st pivot axis parallel.
As mentioned above, each slide mass can be arranged between described swing arm and described blade in the longitudinal direction movably, thus can increase the displacement of blade on tire radius direction.Therefore, it is possible to be set to by external diameter be less than bead ring internal diameter under undergauge state, also can provide expanding state simultaneously.In other words, bead ring can be made to pass through and make blade standby above the lower surface of bead ring.Therefore, even if when using BOM type capsule central authority, the upper loop contacts of blade and BOM type capsule central authority also can be prevented, and curing bag can be made to extrude the whole inner surface of upper bead part.
Accompanying drawing explanation
Fig. 1 is the front view be described an embodiment of tire vulcanizing device of the present invention.
Fig. 2 is the partial top view representing tire vulcanizing device.
Fig. 3 is the side view of the tire vulcanizing device seen in the transmission direction.
Fig. 4 is the sectional view representing the vulcanizing mold seen in the transmission direction conceptually.
Fig. 5 is the sectional view be described crude tyre charging apparatus.
Fig. 6 is the sectional view be described the position relationship of patrix in sulfidation and tyre bead breaker.
Fig. 7 is the exploded perspective view of the reducing and expansion unit of tyre bead breaker.
Fig. 8 is the exploded perspective view of reducing and expansion unit.
Fig. 9 (A) is the sectional view be described the undergauge state of the impeller of tyre bead breaker.
Fig. 9 (B) is the sectional view be described the expanding state of impeller.
Figure 10 (A) and 10 (B) is the sectional view to putting into vulcanizing mold from crude tyre and being described to sulfuration.
Figure 11 (A) and 11 (B) be to sulfuration after the sectional view that is described of the dismounting of tire.
Figure 12 is the sectional view be described to the transfer of tire receiving station the dismounting of tire and tire.
Figure 13 (A) and 13 (B) is the sectional view be described capsule central authority.
Figure 14 (A) and 14 (B) is the sectional view be described tyre bead breaker in the past.
Symbol description
1 tire vulcanizing device
2 movable stands
3 counterdies
4 patrixes
4b bead ring
5 vulcanizing molds
6 capsule central authorities
7 tire receiving stations
8 tyre bead breakers
21 central axle portion
21A central shaft
21B urceolus
22 impellers
22A blade
25 curing bags
26A pressed on ring
Ring under 26B
27 newels
34 reducing and expansion unit
40 the 1st pivots
41 swing arms
41a guide part
42 slide masses
44 horizontally-guided portions
50 the 2nd pivots
P1 loads position
P2 sulfuration position
Tire after T sulfuration
Tb bead part
TA crude tyre
The expanding state of Ye
Yr undergauge state
Detailed description of the invention
Below, one embodiment of the present of invention are described in detail.
As illustrated in fig. 1 and 2, the tire vulcanizing device 1 of the present embodiment has vulcanizing mold 5, this vulcanizing mold 5 has: counterdie 3, and this counterdie 3 is supported on movable stand 2 and also can moves back and forth between the loading position P1 loading crude tyre TA and sulfuration position P2 crude tyre TA being carried out to sulfuration; And patrix 4, this patrix 4 can be moved up and down at P2 place, sulfuration position and be moved down crude tyre TA sulfuration by it between patrix 4 and counterdie 3.Tire vulcanizing device 1 also has: capsule central authority 6, and this capsule central authority 6 is supported on movable stand 2 with counterdie 3 coaxially; And tyre bead breaker 8 (as shown in Figure 6), the tire T after sulfuration pulls down by this tyre bead breaker 8 from the patrix 4 raised, and is transferred on tire receiving station 7 standby below patrix 4 by the tire T after this sulfuration.
This tire receiving station 7 is connected with movable stand 2, and can and synchronously the moving back and forth at sulfuration position P2 and pressurizeing between cool position P3 loading moving back and forth between position P1 and sulfuration position P2 of counterdie 3.Described loading position P1, sulfuration position P2 and pressurization cool position P3 point-blank arrange at equal intervals, and pressurization cooling device 10 is configured in pressurization cool position P3 place, and the tire T after sulfuration cools by this pressurization cooling device 10 under stress.
In the present embodiment, in tire vulcanizing device 1, the patrix 4 of movable stand 2, vulcanizing mold 5, tyre bead breaker 8 and pressurization cooling device 10 support on the frame 11, and the counterdie 3 of vulcanizing mold 5, capsule central authority 6 and tire receiving station 7 are arranged on movable stand 2.
As shown in Figure 3, this framework 11 has: the base portion 11A being equipped with the guide rail 12 that front and back extend and the upper frame part 11B upwards extended from this base portion 11A.Movable stand 2 can be arranged on guide rail 12 movably forward and backward by the known ball screw framework with screw shaft 13 (as shown in figs. 1 and 3), and this screw shaft 13 is parallel with guide rail 12 and driven by motor.
Vulcanizing mold 5 has: patrix 4, and this patrix 4 to be supported on upper frame part 11B and can to move up and down at P2 place, sulfuration position; And counterdie 3, this counterdie 3 is supported on movable stand 2 and also can moves between sulfuration position P2 and loading position P1.As Fig. 4 institute outline represents, patrix 4 has the known features comprising mould body 4A and toroidal container 4B.Described upper mould body 4A has: the upper side form 4a corresponding with wall portion on the upside of tire; The upper bead ring 4b corresponding with upper bead part; And the tyre surface mould 4c corresponding with fetus face, this tyre surface mould 4c have and are configured on tire circumferential direction and are retained as and can hold sections by the multiple tyre surfaces in reducing and expansion footpath on tire radius direction.Container 4B can make tyre surface mould 4c reducing and expansion footpath.
This container 4B is arranged on the 1st lifting platform 15 by pressing plate 18 (heating plate), and the 1st lifting platform 15 can be supported on upper frame part 11B by the 1st cylinder 14 up or down.Upper mould body 4A is arranged on the 2nd lifting platform 17, and the 2nd lifting platform 17 can be supported on the 1st lifting platform 15 up or down by the 2nd cylinder 16.Tyre surface mould 4c can on tire radius direction inside and outside be slidingly supported on the 2nd lifting platform 17.In addition, in the present embodiment, 2nd cylinder 16 is supported on the 1st auxiliary frame 15a, 1st auxiliary frame 15a has such as door shape shape and is vertically arranged on the 1st lifting platform 15, in addition, the 2nd auxiliary frame 17a with such as door shape shape to be vertically set on the 2nd lifting platform 17 and to be connected with the piston-rod lower end of the 2nd cylinder 16.Again, the 3rd cylinder 20 is supported on the 2nd auxiliary frame 17a, and the 3rd lifting platform 19 is installed on the piston-rod lower end of the 3rd cylinder 20.Central axle portion 21 as a part for tyre bead breaker 8 is arranged on the 3rd lifting platform 19.
Therefore, container 4B can move together with the 1st lifting platform 15 between the lifting position J1U (as shown in Figure 3) as position of readiness and the down position J1L (as shown in Figure 3) as sulfuration position.In addition, the upper mould body 4A supported by the 2nd lifting platform 17 can move up and down relative to the container 4B supported by the 1st lifting platform 15.As shown in Figure 10 (B) and 11 (A), when relatively rising, upper mould body 4A makes tyre surface mould 4c undergauge and is switched to closure state, and as shown in Fig. 4,10 (A) and 11 (B), when relatively declining, upper mould body 4A makes tyre surface mould 4c expanding and is switched to open state.The central axle portion 21 supported by the 3rd lifting platform 19 can move up and down relative to the upper mould body 4A supported by the 2nd lifting platform 17.As Fig. 4,6, shown in 10 (A) and 10 (B), when relatively rising, central axle portion 21 makes above the lower surface of impeller 22 described later bead ring 4b on described standby, and as Figure 11 (A), 11 (B) with shown in 12, when relatively declining, the tire T after sulfuration pulls down from patrix 4 and is transferred on tire receiving station 7 by the tire T after described sulfuration by central axle portion 21.
As shown in Figure 4, counterdie 3 has the lower side form 3a corresponding with the A lower side wall portion of tire and the lower bead ring 3b corresponding with lower bead part.In the present embodiment, counterdie 3 is arranged on pressing plate 24 by substrate 23, and this pressing plate 24 is fixed on movable stand 2.
Capsule central authority 6 is arranged on movable stand 2, thus capsule central authority 6 can be moved between loading position P1 and sulfuration position P2 together with counterdie 3.In the present embodiment, described capsule central authority 6 is the BOM type central authorities with known features, and it has: cylindric curing bag 25; Keep the pressed on ring 26A of the upper and lower end parts of curing bag 25 and lower ring 26B; And newel 27, the upper end of this newel 27 is arranged on described pressed on ring 26A and this newel 27 can move up and down described pressed on ring 26A is moved up and down.This newel 27 can be moved up and down by the cylinder 28 (as shown in Figure 3) be connected with the lower end of this newel 27.
As shown in Figure 6, at described pressed on ring 26A place, described upper bead ring 4b is formed with a chimeric recess 4bA, thus can a part for the rising wood of pressed on ring 26A be inserted in described upper bead ring 4b, thus, in sulfidation, the root 25a of curing bag 25 can contact with the lower surface 4bs of upper bead ring 4b and the whole inner surface of upper bead part Tb1 can be expressed on mould by curing bag 25.Similarly, described lower bead ring 3b is formed with a chimeric recess (not shown), thus can insert in described lower bead ring 3b by a part for the lower edge of lower ring 26B, thus, in sulfidation, the whole inner surface of lower bead part can be expressed on mould by curing bag 25.
As described in figures 1 and 5, crude tyre TA is encased in counterdie 3 coaxially and is positioned on the capsule central authority 6 of loading position P1.In the present embodiment, use crude tyre charging apparatus 30 to be loaded by crude tyre TA, but crude tyre TA also can manually load.In the present embodiment, as shown in Figure 2, crude tyre charging apparatus 30 has: turning arm 30a, and one end of this turning arm 30a is pivotably mounted on upper frame part 11B and this turning arm 30a is supported for and can horizontally rotates around pivotal point Q1; And the tire be arranged on the other end of turning arm 30a holds assembly 30b.As shown in Figure 5, this opinion tire holding assembly 30b has: be fixed on the ring-shaped frame 31 on the other end of turning arm 30a; And the multiple cylinders 32 to configure coaxially with described ring-shaped frame 31.The piston-rod lower end of cylinder 32 is provided with hook portion 32a, and this hook portion 32a cooperates with each other the upper bead part Tb1 holding crude tyre TA.Each cylinder 32 can tilt around pivotal point Q2 from the normal condition that cylinder 32 is upright to hook portion 32a towards the heeling condition of tire centerline, and can decontrol in an inclined state by the crude tyre TA held.
The crude tyre TA be loaded into and counterdie 3 are sent to sulfuration position P2 together with capsule central authority 6, then make patrix 4 decline and carry out sulfuration.In transport process, capsule central authority 6 makes curing bag 25 expand in the low interior pressure that crude tyre TA can not be made to be out of shape.Thus, crude tyre stably held and prevent from transmitting the dislocation of crude tyre TA caused.
As shown in figs. 4 and 6, tyre bead breaker 8 has central axle portion 21 and impeller 22.Central axle portion 21 has: central shaft 21A, and this central shaft 21A can be arranged on the 3rd lifting platform 19 by the 4th cylinder 33 up or down; And urceolus 21B, this urceolus 21B to be arranged on integratedly on the 3rd lifting platform 19 and to be loaded on central shaft 21A outward.Impeller 22 to be arranged on urceolus 21B by reducing and expansion unit 34 and diameter can reducing and expansion.As shown in Figure 9, impeller 22 is made up of multiple blade 22A, these blades 22A to be configured on tire circumferential direction and can be inside and outside mobile between following state on tire radius direction: undergauge state Yr, in this state, the external diameter of blade 22A is reduced to the internal diameter being less than bead ring 4b, thus allows that upper bead ring 4b passes through; And expanding state Ye, in this state, the extended internal diameter of bead part Tb to being greater than the tire T after sulfuration of the external diameter of blade 22A.
Specifically, as shown in Figure 6, central shaft 21A has: axle body 35A, this axle body 35A be arranged on the 4th cylinder 33 piston-rod lower end and thus to downward-extension; The reducing diameter part 35B of minor diameter; And end 35C, this end 35C are connected with the lower end of axle body 35A by above-mentioned reducing diameter part 35B.In the present embodiment, end 35C has: cylinder 35C1; And being configured in the taper protuberance 35C2 of upper end side of cylinder 35C1, this protuberance 35C2 is diametrically upper to be increased, and has the maximum gauge portion K that diameter is greater than axle body 35A at its upper end.In addition, end 35C has fitting portion 35C3, and this fitting portion 35C3 is arranged on the lower end of cylinder 35C1 and chimeric with the central part of pressed on ring 26A and locate.
In the present embodiment, urceolus 21B has outward extending flange part 21B1 on tire radius direction in its lower end, and described reducing and expansion unit 34 is arranged on this flange part 21B1.
As shown in FIG. 7 and 8, reducing and expansion unit 34 has: swing arm 41, one end pivot Zhi Yu 1 pivot 40 of each swing arm 41 and this swing arm 41 is inside and outside on tire radius direction swings; Slide mass 43, each slide mass 43 to remain on guide part 41a and can slide on the length direction of swing arm 41, and described guide part 41a is arranged at the other end of described swing arm 41; Horizontally-guided portion 44, each horizontally-guided portion 44 flatly inwardly or outwards guides each blade 22A on tire radius direction; And the 2nd pivot 50, each blade 22A guided by described horizontally-guided portion 44 is connected with each slide mass 43 by each 2nd pivot 50.
Each 1st pivot 40 remains on and is fixed on the installed part 45 of flange part 21B1.This installed part 45 comprises: in generally u-shaped installed part body 46, in this installed part body 46, side plate 46a on tire circumferential direction toward each other and be interconnected by upper plate 46b in their upper end; And fixed part 47, this fixed part 47 to be arranged on integratedly on installed part body 46 and to be fixed on flange part 21B1.1st pivot 40 extends perpendicular to tire radius direction between side plate 46a, and is formed respectively on the bottom outer surface of side plate 46a and is parallel to each other and the gathering sill 44A of horizontal-extending along tire radius direction.Gathering sill 44A forms horizontally-guided portion 44.
Each swing arm 41 has: arm body 41A, has the pivot hole 41b propping up the 1st pivot 40 for pivot in one end of this arm body 41A, and the other end of this arm body 41A is provided with guide part 41a; And arm pair portion 41B, this arm pair portion 41B extends with interior side downwards on tire radius direction from arm body 41A.In the present embodiment, described guide part 41a is made up of a pair side plate 41a1 parallel to each other, and at the gib block portion 41a2 (also can be channel-shaped portion) being provided with the ribbed extended in the longitudinal direction on the surface of inner side of each side plate 41a1.In one end of arm pair portion 41B, roller 41B1 is installed pivotly, this roller 41B1 swimmingly with the exterior surface of central shaft 21A.
In the present embodiment, slide mass 43 is rectangular block shape, and has the engaging bar portion 43a (also can be rib) being directed to the channel-shaped that bar portion 41a2 guides on its outer surface.
Each blade 22A is fan-shaped plate in the present embodiment, and pair of side plates 49 is vertically arranged on the upper surface of blade 22A.The top of the inner surface of each side plate 49 be provided with to engage with gathering sill 44A and on tire radius direction the holding section 49a of guide blades 22A.2nd pivot 50 extends abreast with the 1st pivot 40 between side plate 49, and described slide mass 43 is installed on the 2nd rotating shaft 50 pivotly.
Therefore, in the tyre bead breaker 8 of the present embodiment, each swing arm 41 can inside and outsidely between with upper/lower positions on tire radius direction swing: reference position N1, as shown in Fig. 9 (A), in this position, 4th cylinder 33 retracts to make central shaft 21A increase relative to urceolus 21B, thus makes the roller 41B1 of the 41B one end, arm pair portion being positioned at swing arm 41 fall into the reducing diameter part 35B of central shaft 21A; And the position N2 that takeoffs, as shown in Fig. 9 (B), in this position, the 4th cylinder 33 extends central shaft 21A is declined relative to urceolus 21B, thus makes axle body 35A push roller 41B1 downwards and arm body 41A is outwards takeoff on tire radius direction.
The swing of swing arm 41 can make blade 22A inside and outside mobile on tire radius direction, and in the present embodiment, slide mass 43 can be arranged between swing arm 41 and blade 22A in the longitudinal direction movably.Therefore, compared with the situation of slide mass 43 is not set, the displacement L of blade 22A on tire radius direction can be increased.Its result, in the undergauge state Yr of impeller 22 being in reference position N1, the reduced outer diameter of impeller 22 to the internal diameter being less than upper bead ring 4b, to allow that upper bead ring 4b passes through.In addition, in the expanding state Ye of impeller 22 being in the position N2 that takeoffs, the enlarged outside diameter of impeller 22 to the internal diameter of bead part Tb being greater than the tire T after sulfuration, thus can prevent the tire T after sulfuration from passing through.
As shown in Figure 10 (A), under the open state that tyre surface mould 4c is expanding, the 1st lifting platform 15 declines together with the 2nd lifting platform 17, is placed on vulcanizing mold 5 by crude tyre TA thus.Now, as shown in Figure 6, the rising wood of the pressed on ring 26A of capsule central authority 6 is entrenched in the chimeric recess 4bA of bead ring 4b, thus is located by pressed on ring 26A and upper bead ring 4b.Then, as shown in Figure 10 (B), the 1st lifting platform 15 is reduced further until container 4B contacts with substrate 23, thus makes tyre surface mould 4c undergauge and be switched to closure state.Then, sulfuration is implemented.
In this sequence of operations (crude tyre TA is to the placement of vulcanizing mold 5 and sulfidation), the impeller 22 of tyre bead breaker 8 is in undergauge state Yr, and a position above the lower surface 4bs of upper bead ring 4b and above pressed on ring 26A is standby.Therefore, can prevent impeller 22 from contacting with pressed on ring 26A.
Further, after sulfuration, as shown in Figure 11 (A), patrix 4 under the closure state of tyre surface mould 4c undergauge or tyre surface mould 4c expanding a little and rise under becoming lax micro-closure state.Therefore, the tire T after patrix 4 can hold sulfuration and rising, thus the tire T after sulfuration is pulled down from counterdie 3.
Afterwards, counterdie 3 returns from sulfuration position P2 and loads position P1, and tire receiving station 7 is sent to sulfuration position P2 by from pressurization cool position P3.Now, in order to make the tire T after sulfuration fall from the patrix 4 being in lifting position or to be misplaced patrix 4, impeller 22 is declined a little and expanding to expanding state Ye, thus bead part Tb1 on keeping between impeller 22 and upper bead ring 4b.
Afterwards, as shown in Figure 11 (B), make tire receiving station 7 increase, and mould body 4A is declined, thus the tire T after kept sulfuration is placed on tire receiving station 7.Now, do not make container 4B decline, thus make tyre surface mould 4c expanding to open state.Then, as shown in figure 12, reduce under making impeller 22 remain on expanding state Ye, thus lower bead part Tb2 is remained between impeller 22 and tire receiving station 7.Meanwhile, make upper mould body 4A increase, thus the tire T after sulfuration is pulled down from upper mould body 4A and the tire T after sulfuration is transferred on the tire receiving station 7 below upper mould body 4A.Then, impeller 22 is made to raise after returning to undergauge state Yr and standby above the lower surface 4bs of upper bead ring 4b.
Pressurization cooling device 10 is filled with by pressure-air in the tire T after sulfuration and a kind of device that the tire T after sulfuration is cooled under stress, can use known structure.
Above preferred embodiment of the present invention is described in detail.But the present invention is not limited to the embodiment shown in above figure, can to the various distortion of the invention process.Such as, AFV type h1 can be used as above-mentioned capsule central authority.
Claims (3)
1. a tire vulcanizing device, has:
Vulcanizing mold, this vulcanizing mold has: counterdie, this counterdie to be supported on movable stand and can load crude tyre loading position and by the sulfuration position of described crude tyre sulfuration between move; And patrix, this patrix can move up and down in described sulfuration position, between described patrix and described counterdie, sulfuration is carried out to described crude tyre by moving down of this patrix, and after curing, tire after this patrix remains sulfuration and moving up, thus described vulcanised tyre is pulled down from described counterdie;
Capsule central authority, this capsule central authority and described counterdie are supported on described movable stand coaxially, and can move together with described counterdie and keep curing bag; And
Tyre bead breaker, the tire after described sulfuration is pulled down from the described patrix risen and the tyre revolution after described sulfuration is moved on on tire receiving station standby below patrix by this tyre bead breaker,
The feature of this tire vulcanizing device is, described tyre bead breaker has:
Central axle portion, this central axle portion has the central shaft that can move up and down and the urceolus being loaded on described central shaft outward; And
Impeller, this impeller has multiple blade by reducing and expansion unit supports on described urceolus, these blades to be configured on tire circumferential direction and can be inside and outside mobile on tire radius direction between following state: undergauge state, under this undergauge state, outer blade diameter tapers to the bead ring internal diameter being less than described patrix, to allow that described bead ring passes through; And expanding state, under this expanding state, outer blade diameter expands the bead part internal diameter of the tire after being greater than described sulfuration to,
Described reducing and expansion unit has:
Installed part, each described installed part is fixed on described urceolus;
Swing arm, one end pivot Zhi Yu 1 pivot of each described swing arm, and be provided with guide part at the inside and outside other end swung on tire radius direction of each described swing arm, described 1st pivot is held in described installed part;
Slide mass, each described slide mass to be supported on described guide part and can to slide on the length direction of described swing arm; And
Horizontally-guided portion, each described horizontally-guided portion is formed at described installed part, and tire radius direction flatly inwardly or outwards guides each blade, and
The each described blade guided by described horizontally-guided portion and each described slide mass are interconnected by the 2nd pivot being parallel to described 1st pivot.
2. tire vulcanizing device as claimed in claim 1, it is characterized in that, the described urceolus of described central axle portion can move up and down relative to described central shaft and can move up and down together with described central shaft, thus make described impeller expanding to described expanding state from described undergauge state by relatively moving up of this urceolus, and described impeller is made to turn back to described undergauge state from described expanding state by relatively moving down of described urceolus.
3. tire vulcanizing device as claimed in claim 1 or 2, it is characterized in that, described capsule central authority has: cylindric curing bag; Keep the upper end of described curing bag and the upper ring and a lower ring of bottom; And newel, the upper end of this newel is arranged in described pressed on ring and this newel can move up and down described pressed on ring is moved up and down.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010003158A JP5244135B2 (en) | 2010-01-08 | 2010-01-08 | Tire vulcanizer |
| JP2010-003158 | 2010-01-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102126269A CN102126269A (en) | 2011-07-20 |
| CN102126269B true CN102126269B (en) | 2015-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010585057.4A Expired - Fee Related CN102126269B (en) | 2010-01-08 | 2010-12-03 | Tire vulcanization equipment |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5244135B2 (en) |
| CN (1) | CN102126269B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6496178B2 (en) * | 2015-04-09 | 2019-04-03 | 住友ゴム工業株式会社 | Tire manufacturing method |
| CN105058646B (en) * | 2015-07-29 | 2017-09-05 | 桂林橡胶设计院有限公司 | A kind of tire is without bladder vulcanizing machine |
| JP7321036B2 (en) * | 2019-09-02 | 2023-08-04 | 株式会社ブリヂストン | Mold for tire molding |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101454135A (en) * | 2006-05-31 | 2009-06-10 | 住友橡胶工业株式会社 | Tire vulcanizing device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5263975A (en) * | 1975-11-21 | 1977-05-26 | Mitsubishi Heavy Ind Ltd | Tire takeeout apparatus for tire vulcanization machine |
| JPS62218114A (en) * | 1986-03-19 | 1987-09-25 | Bridgestone Corp | Method of unloading vulcanized tire and vulcanizer used for execution thereof |
| JPH02120007A (en) * | 1988-10-28 | 1990-05-08 | Toyo Tire & Rubber Co Ltd | Tire vulcanizing machine |
| JPH06104327B2 (en) * | 1988-12-08 | 1994-12-21 | 住友ゴム工業株式会社 | Tire mounting method and tire mounting apparatus for vulcanizer |
| JP3370465B2 (en) * | 1994-03-01 | 2003-01-27 | 不二商事株式会社 | Tire removal device and tire removal method |
| JP3272595B2 (en) * | 1996-02-26 | 2002-04-08 | 三菱重工業株式会社 | Tire vulcanizing loader |
| JP2002361631A (en) * | 2001-06-07 | 2002-12-18 | Mitsubishi Heavy Ind Ltd | Tire vulcanizing machine and method for manufacturing vulcanized tire |
| JP4047688B2 (en) * | 2002-09-30 | 2008-02-13 | 住友ゴム工業株式会社 | Tire vulcanizer |
-
2010
- 2010-01-08 JP JP2010003158A patent/JP5244135B2/en active Active
- 2010-12-03 CN CN201010585057.4A patent/CN102126269B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101454135A (en) * | 2006-05-31 | 2009-06-10 | 住友橡胶工业株式会社 | Tire vulcanizing device |
Non-Patent Citations (2)
| Title |
|---|
| JP平2-155614A 1990.06.14 * |
| JP特开2002-361631A 2002.12.18 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102126269A (en) | 2011-07-20 |
| JP2011140193A (en) | 2011-07-21 |
| JP5244135B2 (en) | 2013-07-24 |
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