CN104057627B - Core provision for disengagement - Google Patents
Core provision for disengagement Download PDFInfo
- Publication number
- CN104057627B CN104057627B CN201410078425.4A CN201410078425A CN104057627B CN 104057627 B CN104057627 B CN 104057627B CN 201410078425 A CN201410078425 A CN 201410078425A CN 104057627 B CN104057627 B CN 104057627B
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- Prior art keywords
- core
- tire
- sector
- arm
- disengagement
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- Tyre Moulding (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The present invention, which is provided, can propose manufacture method and the core provision for disengagement of large-duty tire.Method for manufacturing tire includes：In the modular core that can be decomposed（1）Lateral surface process that the green tire of tire is formed；In a mold to green tire and core（1）The process for being vulcanized together and obtaining tire；And by core（1）Decompose and by the core after decomposition（1）From the tire after vulcanization（9）The core dismounting process of middle taking-up.The manufacture method of the tire is characterised by that core dismounting process is included to core（1）At least a portion apply vibration process.
Description
Technical field
The present invention relates to the manufacture method that can carry large-duty tire and core provision for disengagement.
Background technology
In recent years, as the method for manufacture tire, proposition has various core forming processes (with reference to following patent documents 1 to 3).
Core forming process is that green tire is formed by the way that unvulcanized tire structure member to be pasted on to the core of annular shape successively
Method, wherein, above-mentioned core have the lateral surface suitable with the inner cavity surface shape of tire.By in a mold to the green tire with
Core carries out vulcanization forming together and obtains tire.After vulcanization forming, core is decomposed and by the core after decomposition after vulcanization
Tire in pull down.
Patent document 1：Japanese Unexamined Patent Publication 2013-10217 publications
Patent document 2：Japanese Unexamined Patent Publication 2013-6390 publications
Patent document 3：Japanese Unexamined Patent Publication 2013-6367 publications
However, after vulcanization forming, core is close to securely with the rubber of tire.Therefore, tire is not damaged and from tire
The middle operation for peeling off, pulling down core becomes difficult and very cumbersome.
The content of the invention
The present invention is to propose in view of the above problems, and its object is to provide the manufacture method and type of a kind of tire
Core provision for disengagement, effectively can pull down core from the tire after vulcanization, so as to improve the productivity ratio of tire.
Invention in the present invention described in technical scheme 1 provides a kind of manufacture method of tire, the manufacture method bag of the tire
Include：The process that the green tire of tire is formed in the lateral surface for the modular core that can be decomposed；In a mold to above-mentioned
The process that green tire is vulcanized together with above-mentioned core and obtains tire；And decompose above-mentioned core and will be above-mentioned after decomposition
The core that core takes out from the tire after above-mentioned vulcanization dismantles process, and the manufacture method of the tire is characterised by, above-mentioned type
Core dismounting process includes the process for applying vibration at least a portion of above-mentioned core.
In addition, on the basis of the manufacture method of the tire described in technical scheme 1, for the invention described in technical scheme 2
For, above-mentioned vibration has more than 5Hz frequency.
In addition, on the basis of the manufacture method of the tire described in technical scheme 1 or 2, for the hair described in technical scheme 3
Bright, above-mentioned vibration includes the amplitude component on tire axial.
In addition, on the basis of the manufacture method of tire in technical scheme 1~3 described in any scheme, for technical side
For invention described in case 4, above-mentioned vibration includes amplitude component tire radially.
In addition, on the basis of the manufacture method of tire in technical scheme 1~4 described in any scheme, for technical side
For invention described in case 5, above-mentioned core is connected by being possible to along multiple sectors that tire is moved radially in tire circumference
Connect and be formed as circular, above-mentioned core dismounting process includes one side and applies above-mentioned vibration to above-mentioned sector, while will be above-mentioned
The process that sector is extracted towards tire radial direction inner side.
In addition, on the basis of the manufacture method of tire in technical scheme 1~5 described in any scheme, for technical side
For invention described in case 6, above-mentioned core is connected by being possible to along multiple sectors that tire is moved radially in tire circumference
Connect and be formed as circular, above-mentioned core dismounting process, which is included in, to be applied after above-mentioned vibration to above-mentioned sector again by above-mentioned fan
The process that shape part is extracted towards tire radial direction inner side.
In addition, the invention described in technical scheme 7 is a kind of core provision for disengagement, for by the sector of core after vulcanization
Tire in take out, wherein, above-mentioned core is formed as circular, and the green tire of tire is carried out into the lateral surface of above-mentioned core
Shape, also, above-mentioned core connected and formed in a circumferential direction by the multiple sectors for being possible to move radially, also,
Above-mentioned core is vulcanized together with above-mentioned green tire in a mold, the core provision for disengagement is characterised by, including：Arm, should
Arm engages with the radially inner side portion of above-mentioned sector from the tyre bead hole of above-mentioned tire and then pulls out above-mentioned sector towards radially inner side
Go out；And vibrator, the vibrator vibrates said arm.
In addition, on the basis of the core provision for disengagement described in technical scheme 7, for the invention described in technical scheme 8
Speech, above-mentioned vibrator makes said arm be vibrated with more than 5Hz frequency.
In addition, on the basis of the core provision for disengagement described in technical scheme 7 or 8, for the invention described in technical scheme 9
For, above-mentioned vibrator applies the vibration of the amplitude component included on tire axial to said arm.
In addition, on the basis of core provision for disengagement in technical scheme 7~9 described in any one, for technical scheme
For invention described in 10, above-mentioned vibrator applies to said arm includes the vibration of the amplitude component of tire radially.
In addition, on the basis of core provision for disengagement in technical scheme 7~10 described in any scheme, for technical scheme
For invention described in 11, above-mentioned vibrator is fixed on said arm.
The manufacture method of the tire of the present invention includes core and dismantles process.Core dismounting process is included at least the one of core
The process that part applies vibration.The vibration makes core be peeled off with tire.Therefore, it is possible to which easily core is pulled down from tire.
The core provision for disengagement of the present invention includes：The sector for constituting core is pulled out from the tyre bead hole of tire towards radially inner side
The arm gone out；With the vibrator for vibrating said arm.The vibration of vibrator is transferred to sector via arm.By shaking for sector
Move and tire is peeled off with sector.Therefore, arm can not damage tire and take out sector.
Brief description of the drawings
Fig. 1 is the stereogram of the core used in present embodiment.
Fig. 2 is the sectional view of green tire.
Fig. 3 is the sectional view for the vulcanization for illustrating green tire.
Fig. 4 is the schematic side perspective view of the core provision for disengagement of present embodiment.
Fig. 5 (A)~Fig. 5 (C) is the partial side view for the action for illustrating core provision for disengagement.
Fig. 6 is the curve map for showing the effect of the present invention.
Description of reference numerals：
1 ... core；2 ... sectors；3 ... cores；7 ... green tires；9 ... tires；29 ... core provisions for disengagement；31 ... arms；
40 ... vibrators.
Embodiment
Hereinafter, an embodiment of the invention is illustrated based on accompanying drawing.
The manufacture method of the tire of present embodiment is included in the lateral surface for the modular core that can be decomposed to tire
The process that is formed of green tire.
The overall perspective view of core 1 is shown in Fig. 1.Core 1 is made up of for annular shape and multiple sectors 2.Sector 2
For example including the first sector 2A and the second sector 2B.These above-mentioned sectors are for example formed by metal material, to obtain
Enough rigidity.
When from side, the first sector 2A circumferential lengths gradually increase towards the inner side of tire radial direction.From side
During observation, the second sector 2B circumferential lengths are towards being gradually reduced on the inside of tire radial direction.The fans of first sector 2A and second
Shape part 2B is configured circumferentially alternatingly, is consequently formed the core 1 of continuous annular shape.
In the present embodiment, core 1 is installed on the core 3 of tubular.Core 3 is installed on the centre bore 20 of core 1, to prevent
Only each sector 2 is radially moved in tire.In preferred embodiment, one in the dovetail groove 4 and dovetail 5 that axially extend
Side is formed at core 3, and the opposing party in the dovetail groove 4 and dovetail 5 that axially extend is formed at the inner circumferential of each sector 2
Face.
Dovetail groove 4 has the cross sectional shape that groove width increases towards the bottom side of the depth direction of groove.Dovetail 5 be with it is above-mentioned
The corresponding projection of cross sectional shape of such dovetail groove 4, its width increases towards front.In the present embodiment, in core 3
Outer peripheral face be formed with the dovetail groove 4 of the quantity equal with the quantity of sector 2.On the other hand, in the inside portion of each sector 2
(medial surface) is formed with dovetail 5.
The dovetail 5 of each sector 2 is from being axially inserted into dovetail groove 4, and the dovetail groove 4 opening arrives the axial two ends of core 3.
Pass through the engaging with the dovetail groove 4 of core 3 of dovetail 5 of each sector 3 so that each sector 2 is with state continuously circlewise
It is bound.In preferred embodiment, at least side in the axial direction of core 3 is provided with for being moved up in the axle of sector 2
Flange 6.
In addition, as shown in Fig. 2 the manufacture method of the tire of present embodiment includes：Core 1 lateral surface to green tire 7
The process being formed.By the tire structure member including half finished rubber is pasted on to the lateral surface of core 1 successively and shape
Into green tire 7.It is used as tire structure member, including inner liner rubber 10, carcass ply 11, tyre bead glue 12, belt ply 13, sidewall rubber 14
And tread rubber 15 etc..
In addition, as shown in figure 3, the manufacture method of the tire of present embodiment is included in mould 20 to green tire 7 and core 1
The process vulcanized together.Mould 20 for example including：The tyre surface for multiple moulds being formed including the fetus face to green tire 7
Mould 20A；A pair of sidewall mould 20B being formed with the sidewall to green tire 7.Tread mould 20A can be along tire radially
Mobile, sidewall mould 20B can be moved along tire axial.Thereby, it is possible to open and close mould 20.When vulcanisation is over, mould
Tool 20 is opened, and tire 9 is removed together with core 1 from mould 20.
As shown in figure 4, the tire 9 taken out from mould 20, for example with tire rotary shaft, vertically horizontal state is kept.
In this condition, core 1 is present in tire 9.In the present embodiment, tire 9 is kept by tire holding meanss 24.
Tire holding meanss 24 include pedestal 25 and are arranged at propulsion (pusher) device 26 of the pedestal 25.
Pedestal 25 is set to for example rotate around vertical axle.Multiple propulsion plants are fixed with around pedestal 25
26。
Each propulsion plant 26 is configured circlewise around tire 9.Each propulsion plant 26 includes：With can stretch in the horizontal direction
Cylinder body (cylinder) portion 26A of the bar of contracting；With buffer pad (pad) portion of the front end for the bar for being fixed on cylinder body portion 26A
26B。
Cylinder body portion 26A bar is for example configured along the radiation direction of horizontal tire 9.Buffer pad portion 26B can be with wheel
The outer surface of the fetus face of tire 9 is abutted.Tire 9 is transported on pedestal 24 by handling device (not shown).In this condition,
Extend the bar of each propulsion plant 26, so that buffer pad portion 26B strongly presses the fetus face of tire 9 from outside.Borrow
Help the frictional force between the buffer pad portion 26B and the fetus face of tire 9 and tire 9 is remained to the shape from pedestal 25 is outstanding
State.
In addition, in the manufacture method of the tire of present embodiment, including core 1 decomposed and by the core 1 after decomposition
The core taken out from the tire 9 after vulcanization dismantles process.In present embodiment, torn open using core provision for disengagement 28 to carry out core
Unload process.
Core provision for disengagement 28 includes：The main body 30 that can be moved horizontally；Be arranged in the way of it can lift main body 30,
And the arm 31 that can be engaged with the sector 2 of core 1；It is arranged between main body 30 and arm 31 and arm 31 is carried out lifting moving
The first drive division 32.
Main body 30 engages with the track R extended on the upper water level land of tire holding meanss 24.For example set in main body 30
There is traveling drive division 33.Traveling drive division 33 includes that the entire infrastructure that main body 30 is moved along track R can be made.Present embodiment
Traveling drive division 33 for example including motor 33A and by motor 33A drive little gear 33B.Little gear 33B is with setting
It is placed in track R rack pinion engagement.Thus, main body 30 can be carried out in specified directions because being driven by motor 33A
Move horizontally.
Arm 31 for example with：The arm main body 31A extended up and down；Kept with the sector for the end for being arranged at arm main body 31A
Portion 31B.
Arm main body 31A is for example made up of the clava in the tyre bead hole that can be inserted from above into horizontal tire 9.Sliding axle
Hold 35 and ball nut 36 be installed on arm main body 31A.
Sector maintaining part 31B is inserted into the connecting hole 23 in the tire radial direction inner side portion for being arranged at sector 2.As Fig. 2 is put
Shown in big, the connecting hole 23 of sector 2 is for example formed as circular hole.In preferred embodiment, in the inner peripheral surface shape of connecting hole 23
Into the circumferential slot 23a having circumferentially.
Sector maintaining part 31B is formed to be inserted in the cylindric of the connecting hole 23 of sector 2.In preferred embodiment
In, include circumferentially intermittently configuring and can controlling the projection of turnover in sector maintaining part 31B outer peripheral face.
Sector maintaining part 31B is inserted into connecting hole 23 under (the making projection recessed) state for having stored projection.After this, it is fan-shaped
Part maintaining part 31B make projection protrude and it is chimeric with circumferential slot 23a.Thus, prevent sector maintaining part 31B from departing from sector 2,
So as to realize reliable engaging therebetween.
First drive division 32 for example including：It is fixed on the scaffold 32A of the U-shaped of main body 30；It is fixed on scaffold
32A motor 32B；And the ballscrew shaft 32C for being driven and being rotated by motor 32B.It is arranged at arm main body 31A slip
Bearing 35 is sticked in scaffold 32A in the way of moving up and down freely.The ball nut 36 for being arranged at arm main body 31A is sticked in
Ballscrew shaft 32C.
Core provision for disengagement 29 also includes the vibrator 40 for vibrating arm 31.In the present embodiment, vibrator 40 is for example
It is fixed on arm main body 31A.In preferred embodiment, vibrator 40 is fixed on the end of arm main body 31B free end side.Thus, swash
The device 40 that shakes can apply the vibration of large magnitude to sector maintaining part 31B.Though the non-particular determination of vibrator 40, for example with
Inertia vibration generator.Inertia vibration generator makes the inertial mass body vibration for being configured inside, and makes vibrator using its reaction force
And be fixed on the arm 31 of vibrator and vibrate.
Action such as Fig. 4 and Fig. 5 (A) of such core provision for disengagement 28 are to Fig. 5 (C) Suo Shi above.Such as Fig. 5 (A) institute
Show, for core provision for disengagement 28, motor 32B first is driven, and arm 31 is declined downwards, and make sector
Part maintaining part 31B is relative with the connecting hole 23 of a sector 2 of core 1.Next, motor 33A is driven and caused
Arm 31 is moved to the side of sector 2, and sector maintaining part 31B is inserted in the connecting hole 23 of sector 2.Afterwards, sector is made
Maintaining part 31B projection is protruded, so that sector maintaining part 31B reliably engages with sector 2.
Next, as shown in Fig. 5 (B), the driving vibrator 40 of core provision for disengagement 28.The vibration of vibrator 40 is via arm master
Body 31A and sector maintaining part 31B and the sector 2 for being transferred to core 1.Because tire 9 is kept by propulsion plant 26, therefore
Shearing force, vertical forces are produced in the contact surface of tire 9 and the sector 2 of vibration, these above-mentioned power make sector 2 be shelled with tire 9
From.
In order that tire 9 is efficiently peeled off in a short time with core 1, preferably make sector maintaining part 31B with more than 5Hz
Frequency vibration, it is vibrated with more than 10Hz frequency.The upper limit of sector maintaining part 31B vibration frequency is not
Particular determination.Therefore, the upper limit of frequency is limited by the specification of vibrator 40.
In order that tire 9 is peeled off in a short time with core 1, preferably make sector maintaining part 31B with more than 2mm amplitude
Vibration, more preferably makes it with more than 4mm amplitude vibration.On the other hand, if vibration increase, it is likely that to core provision for disengagement
29 make a very bad impression (such as bolt looseness).Therefore, sector maintaining part 31B is preferably with below 10mm amplitude vibration,
More preferably with below 6mm amplitude vibration.In addition, above-mentioned each amplitude means single amplitude.
Sector maintaining part 31B vibration preferably comprises amplitude component and/or tire radial direction on such as tire axial
On amplitude component.Thereby, it is possible to more effectively make tire 9 be peeled off in a short time with core 1.Especially on tire axial
Vibration is more effective.The direction of such vibration can be adjusted relative to the installation direction of arm 31 by changing vibrator.
Vibration is various such as can use periodically vibration that is, sine wave, irregular random wave or shock wave
Ripple, does not do any restriction to this.In order that tire 9 is stably peeled off in a short time with core 1, vibrate preferably periodic
Sine wave.
As shown in Fig. 5 (B)~Fig. 5 (C), in the core dismounting process of present embodiment, shaken while applying to sector 2
Move, extract sector 2 while being pulled towards tire radial direction inner side.That is, while vibrating sector maintaining part 31B, while making arm 31
Moved horizontally.Thereby, it is possible to which the sector 2 of core 1 is taken out from tire 9 in a short time.But, it is used as other implementations
The core dismounting process of mode, can also be after vibration be applied to sector 2 and after vibrator 40 is stopped, towards tire
Radially inner side, which is pulled, extracts sector 2.
Although the particularly preferred embodiment to the present invention has been described in detail above, the present invention is not limited to diagram
Embodiment, can be deformed into various modes to implement.
[embodiment]
In order to confirm the effect of the present invention, the specification based on the device shown in Fig. 1~Fig. 5 and table 1 has been carried out from utilizing type
Core forming process and the size that manufactures for 195/65R15 car with the process that core is pulled down in pneumatic tire, and test from wheel
The influence from the easy degree of tire extraction and to equipment during first sector is taken out in tire.By at normal temperature (20 DEG C)
Under green tire be formed and vulcanized to manufacture tire at a temperature of about 150 DEG C.Core is divided using aluminium alloy
The core of 10 parts is cut into, and this 10 part is respectively provided with identical surface roughness.
In a comparative example, core is not applied and vibrates and pull down the core from tire.
In embodiment, the vibration for the sine wave that frequency is 10Hz is applied with to sector.On sector maintaining part
Amplitude and the direction of vibration, as shown in table 1.In addition, while applying vibration to sector, while using arm by the sector
Extracted from tire.
On the extraction easy degree of core, measuring makes the electronic of arm movement when core (sector) is extracted from tire
Machine 33A load (power), and represent measurement result so that the value of comparative example 1 is set into 100 index.Numerical value is smaller, meaning
The easier taking-up of core.
On the influence to equipment, the spiral shell for the installation vibrator that arm main body is anchored on using constant moment of torsion checked
The radical that bolt loosens.Numerical value is bigger, shows bigger to the baneful influence of equipment.
No matter which kind of is tested, and is used as test pair using the 1st, the 500th and the 1000th since being manufactured tire
As.
Result of test etc. is shown in table 1.
[table 1]
It is able to confirm that according to the result of test, in the method for embodiment, the sector of core easily takes out.
In Fig. 6, the longitudinal axis represents the load for the motor for making arm move in the horizontal direction, and transverse axis represents to move since arm
Play the time untill sector is extracted.It is able to confirm that, embodiment can stably reduce motor compared with comparative example
Load, and sector can be taken out in a short time.
Claims (5)
1. a kind of core provision for disengagement, for the sector of core to be taken out from the tire after vulcanization, wherein, the core shape
As annular shape, the green tire of tire is formed in the lateral surface of the core, also, the core is by being possible to along footpath
Connect and formed in a circumferential direction to mobile multiple sectors, also, in a mold to the core and the green tire one
Rise and vulcanized,
The core provision for disengagement is characterised by, including：
Arm, the arm engages from the tyre bead hole of the tire with the radially inner side portion of the sector and then by the sector towards footpath
Extracted to inner side；And
Vibrator, the vibrator vibrates the arm.
2. core provision for disengagement according to claim 1, it is characterised in that
The vibrator makes the arm be vibrated with more than 5Hz frequency.
3. core provision for disengagement according to claim 1 or 2, it is characterised in that
The vibrator applies the vibration of the amplitude component included on tire axial to the arm.
4. core provision for disengagement according to claim 1 or 2, it is characterised in that
The vibrator applies to the arm includes the vibration of the amplitude component of tire radially.
5. core provision for disengagement according to claim 1 or 2, it is characterised in that
The vibrator is fixed on the arm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013057063A JP6055347B2 (en) | 2013-03-19 | 2013-03-19 | Tire manufacturing method and core removal device |
| JP2013-057063 | 2013-03-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104057627A CN104057627A (en) | 2014-09-24 |
| CN104057627B true CN104057627B (en) | 2017-10-13 |
Family
ID=51545684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410078425.4A Expired - Fee Related CN104057627B (en) | 2013-03-19 | 2014-03-05 | Core provision for disengagement |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6055347B2 (en) |
| CN (1) | CN104057627B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6367655B2 (en) * | 2013-09-13 | 2018-08-01 | 株式会社半導体エネルギー研究所 | Method for manufacturing semiconductor device |
| CN106626162A (en) * | 2017-01-20 | 2017-05-10 | 江苏华澳橡胶机械有限公司 | Alignment adjusting device for segmented mold of tire vulcanizer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005297496A (en) * | 2004-04-15 | 2005-10-27 | Bridgestone Corp | Vulcanizing method and vulcanizing device for pneumatic tire |
| JP2007076247A (en) * | 2005-09-15 | 2007-03-29 | Bridgestone Corp | Tire demolding method and tire molding drum used therein |
| JP2010023323A (en) * | 2008-07-17 | 2010-02-04 | Bridgestone Corp | Vulcanization apparatus and vulcanization method |
| JP5739748B2 (en) * | 2011-06-28 | 2015-06-24 | 住友ゴム工業株式会社 | Tire manufacturing method |
-
2013
- 2013-03-19 JP JP2013057063A patent/JP6055347B2/en not_active Expired - Fee Related
-
2014
- 2014-03-05 CN CN201410078425.4A patent/CN104057627B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP6055347B2 (en) | 2016-12-27 |
| JP2014180815A (en) | 2014-09-29 |
| CN104057627A (en) | 2014-09-24 |
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