CN102267238A - Mechanical assembly drum assisting turn-up of tire embryo seam allowance and method for realizing assisted turn-up - Google Patents
Mechanical assembly drum assisting turn-up of tire embryo seam allowance and method for realizing assisted turn-up Download PDFInfo
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- CN102267238A CN102267238A CN201010205037XA CN201010205037A CN102267238A CN 102267238 A CN102267238 A CN 102267238A CN 201010205037X A CN201010205037X A CN 201010205037XA CN 201010205037 A CN201010205037 A CN 201010205037A CN 102267238 A CN102267238 A CN 102267238A
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Abstract
According to a mechanical assembly drum assisting turn-up of tire embryo seam allowance and a method for realizing assisted turn-up provided in the invention, rubber ring structures capable of swelling when inflated are arranged at the interior and exterior side of the tire embryo seam allowance and form into capsules after inflation to realize internal and external extrusion to the part of seam allowance, thereby improving quality of turn-up and compaction of the tire embryo seam allowance. The invention enables the operation of wrapping and compacting directed to the part of seam allowance to be realized and bubbles in the interior and exterior side of the tire embryo seam allowance to be completely eradicated, thereby substantially enhancing quality of turn-up of the part of the seam allowance. The mechanical assembly drum has a hollow cylindrical main shaft and a driving shaft which drives a locking piece assembly and a finger type turning up means for reciprocating motion; a rubber ring, which is connected with a locking piece unit and forms a closed ring structure around the periphery of the main shaft, is provided on the top of a locking piece cylinder body; two ends at the exterior side of the rubber ring are respectively fixed on the interior and exterior side of the locking piece cylinder body; a breather pipeline of the locking piece cylinder body communicates with the interior of the rubber ring. When the rubber ring is inflated, internal and external capsules are formed for direct wrapping, compacting and venting of the part of the seam allowance.
Description
Technical field
The present invention is a kind of mechanical assembly drum of realizing carcass assembly anti-package, roll extrusion operation on tyre building machine, and the method for assisting anti-package outside mainly in the fetus rim of the mouth, belongs to the rubber manufacturing machinery field.
Background technology
In the manufacture process of existing half steel tire and all steel load tire, the mechanical assembly drum that is assemblied in tyre building machine is mainly used in the applying and the anti-package of inner liner and sidewall rubber.
As the patent formerly of following scheme content disclosed, the patent No. 03102556.0, patent name is a kind of automatic anti-package roll extrusion mechanical assembly drum, it mainly includes, and anti-package is rolled the arm elastic rubber ring, the driving anti-package is rolled piston component, cylinder block sleeve, the power transmission shaft of positive and negative screw thread, hollow final drive shaft are arranged, in the cylinder block barrel forward end secter pat assembly is housed, roll piston component rear end symmetry and anti-package is housed rolls arm component driving anti-package, anti-package is rolled the cylinder block rear end cap place that the arm component rear portion is attached at the bilateral symmetry position.
According to the scheme content of above-mentioned patent disclosure, briefly sum up the secter pat modular construction of existing machinery assembly drum according to back accompanying drawing 1.When finishing carcass cord (51) applying and wire loop (52) location, by driving positive and negative screw-thread drive shaft so that cylinder block sleeve and secter pat assembly move to desired location to the centre, and then driven plunger (54) moves to promote, secter pat connection rod set (55) promotes secter pat (56) rising to pass through to feed in secter pat cylinder block (53) compressed air, thereby finishes operation fastening and the sealing carcass.
At this moment, the anti-package roller (57) that rolls arm with rise and the secter pat (56) of locking carcass to produce certain height poor.In fact, the anti-package roller (57) that rolls arm will be taked a kind of rising trace of winding type by the direction shown in the arrow among the figure, along the sidewall.
Aforesaid prior art exists following defective and weak point:
1, only rely on the locking effect of secter pat (56) at the sealing of fetus inside, the positioning supports of wire loop, be prone to fetus lose heart and cause the roll extrusion of carcass cord unreal, be easy to retain bubble;
2, lack compacting, bleeding at the position, rim of the mouth, the anti-package operation quality of medial and lateral, fetus rim of the mouth is relatively poor;
If 3 directly adopt the anti-package pair of rollers rim of the mouth outside to carry out compacting, then be prone to the rim of the mouth impression and have influence on the fetus overall appearance, even can introduce sidewall component discounting phenomenon, directly cause the decline of fetus operations for forming quality.
Summary of the invention
The mechanical assembly drum and the method thereof of the auxiliary anti-package in realization fetus of the present invention rim of the mouth, be to address the above problem and the cushion rubber structure of inflatable is set in the medial and lateral at position, fetus rim of the mouth, the capsule antithetical phrase oral area position that utilizes the inflation back to form forms inside and outside squeeze job, thereby improves the anti-package compaction quality at position, fetus rim of the mouth.
The objective of the invention is to, realize parcel and compacting operation, stop to retain bubble, thereby improve the anti-package quality at position, rim of the mouth significantly in the medial and lateral at position, fetus rim of the mouth at the position, rim of the mouth.
Another goal of the invention is, acts on counter-wrapping rod front end one auxiliary lifting by cushion rubber, helps the anti-package action of counter-wrapping rod, and reduces the impression of counter-wrapping rod end to the position, sidewall.
Goal of the invention also is, impels the anti-package roller directly to begin roll extrusion from the sidewall root, to avoid occurring the generation of rim of the mouth impression and sidewall component discounting phenomenon.
For achieving the above object, the mechanical assembly drum of the auxiliary anti-package in described realization fetus rim of the mouth mainly has:
One hollow columnar main shaft;
Along vertical center line be sheathed on symmetrically main shaft periphery the lock dog assembly, refer to type anti-package device;
In main shaft inside, be provided with and be used for along the main shaft axial direction, drive the lock dog assembly and refer to the driving shaft that type anti-package device moves back and forth;
Described finger type anti-package device, have several be used for carrying out at the position, sidewall of fetus anti-package and roll extrusion operation, along the evenly distributed finger-type counter-wrapping rod of main shaft periphery, the rearward end of counter-wrapping rod is located in and promotes cylinder and the slide mass of counter-wrapping rod along main shaft radial dilatation and retraction, and cylinder and slide mass are connected in driving shaft;
Described driving lock dog assembly has the lock dog cylinder block that connects cylinder and slide mass, and the piston group of lock dog cylinder block inside is connected with connection rod set and is used to lock the carcass cord of formation fetus and the lock dog group of wire loop.
Be with the difference of prior art,
At lock dog cylinder block top, be provided with and connect the lock dog group, constitute the cushion rubber of a closed-loop structure along main shaft periphery, the two side ends of cushion rubber is individually fixed in lock dog cylinder block medial and lateral, and the vent line of lock dog cylinder block is communicated to cushion rubber inside.
As above-mentioned base case, the inflation back forms the closed loop cushion rubber of medial and lateral capsule, it has conventional apron and is used for sealing the effect that air-blowing is pressed in the fetus, promptly inflation back capsule can directly be realized parcel, compacting and scavenging action at the position, rim of the mouth, also auxiliary simultaneously location and the locking operation that realizes at carcass cord, wire loop.
In fact, the capsule after the inflation forms medial and lateral, position, rim of the mouth supplemental support, consolidated structure.
For improving, be easy to parcel, compacting and the exhaust of controlling at the position, rim of the mouth further, and prevent that aerated capsule from toppling laterally, the improvement project that can take is that cylinder and slide mass are provided with several along main shaft periphery pushing assisted plate evenly distributed, that be used for boosting inflation back cushion rubber.
By the driving of cylinder and slide mass along the alignment of shafts, pushing assisted plate can form the extruding fixation at aerated capsule from the outside, thereby help increasing parcel, compacting and scavenging action power, and support and inflation capsule and avoid it to topple to the inside at the position, rim of the mouth.
Refinement scheme at above-mentioned boosting structure can be, the bottom of pushing assisted plate is located in contiguous cushion rubber outboard end, and the rear portion of pushing assisted plate is installed on cylinder and the slide mass by a boosting bar.
For improving the control flexibility and the motor-driven efficient of mechanical assembly drum integral body, can adopt one to have the left and right roller bearing screw structure that revolves symmetrical screw thread described driving shaft.
In patent of the present invention, the effect of driving shaft is axially reciprocally to drive lock dog assembly and finger type anti-package device along main shaft, to realize that the lock dog group promotes and locking fetus, counter-wrapping rod radial dilatation and the position, sidewall carried out operations such as anti-package and roll extrusion.Therefore, can take multiple axial driver part to finish improvement of the present invention, not repeat statement at this.
Adopting the roller bearing screw structure only is comparatively preferred embodiment, does not get rid of other perfect schemes that other can realize global design design of the present invention.
For improving, be provided with the anti-package roller on the top of counter-wrapping rod at sidewall anti-package and roll extrusion operating characteristics.
Based on starting point, the essential features of above-mentioned improvement project, and use above-mentioned concrete mechanical assembly drum structure, the present invention also provides a kind of method that realizes the auxiliary anti-package in fetus rim of the mouth.Particularly,
After finishing carcass cord and wire loop location, move to the alignment of shafts by drive shaft lock dog assembly and finger type anti-package device, by to the lock dog cylinder block inner import gas with driven plunger group, connection rod set along vertical lifting lock dog group and finish locking and sealing at the fetus rim of the mouth.
Be with the difference of existing fetus anti-package roll extrusion method of operating:
Import in the process of gas to fetus inside by the lock dog cylinder block, cushion rubber inside is imported into gas and forms 2 aerated capsules along the closed loop of main shaft periphery formation respectively in the medial and lateral in fetus rim of the mouth, and 2 aerated capsules bear against, are compacted at the medial and lateral in fetus rim of the mouth respectively;
Several finger-type counter-wrapping rods in the finger type anti-package device are along the main shaft radial dilatation, and the anti-package roller on counter-wrapping rod top carries out anti-package and roll extrusion operation at the position, sidewall in vertical lifting process;
After finishing the operation of fetus anti-package, driving shaft reverse drive lock dog assembly and finger type anti-package device move to the main shaft two side ends, and counter-wrapping rod resets to retraction along main shaft diameter;
The cushion rubber gas inside is oppositely discharged along vent line, and the lock dog cylinder block is oppositely inflated and returned back to initial position along main shaft one side shifting, and the lock dog group discharges the locking to the fetus rim of the mouth along vertical whereabouts.
As above-mentioned scheme, be the integrated operation flow process of a kind of fetus anti-package roll extrusion, wherein at secondary locking, parcel, compacting and the bleeding at position, rim of the mouth, be main improvement of the present invention and essential features.
For further refinement with improve the compaction at position, rim of the mouth, can be squeezed in respectively along several evenly distributed pushing assisted plates of main shaft periphery outside the aerated capsule in the outside, fetus rim of the mouth in the inner process that imports gas of cushion rubber.
Comparatively concrete and preferred control mode is, move to the alignment of shafts to drive cylinder and slide mass at cylinder and slide mass front end importing gas, counter-wrapping rod and pushing assisted plate integrally are drawn forward moving, pushing assisted plate is squeezed in the aerated capsule outside, and the anti-package roller on counter-wrapping rod top upwards promotes anti-package and the roll extrusion operation to finish the position, sidewall.
In sum, the mechanical assembly drum and the method thereof of the auxiliary anti-package in realization fetus rim of the mouth have following advantage and beneficial effect:
1, form aerated capsule and realize applying inside and outside squeeze job at the position, rim of the mouth in medial and lateral, the anti-package compaction quality at position, fetus rim of the mouth significantly improves.
2, can avoid to greatest extent retaining bubble in the medial and lateral at position, rim of the mouth.
3, realization improves the locking at carcass cord and wire loop auxiliaryly, improves the closed-loop operation when the inner importing of fetus gas.
4, impel the anti-package roller directly to begin roll extrusion, the generation of appearance qualities such as impression and sidewall component discounting phenomenon can occur from the sidewall root.
5, cushion rubber can provide the auxiliary power of lifting that makes progress to the roller of counter-wrapping rod front end after inflation, helps the anti-package action of anti-package roller, and reduces the impression at position, anti-package pair of rollers sidewall.
Description of drawings
Now the present invention is described further in conjunction with the accompanying drawings
Fig. 1 is the partial structurtes schematic diagram of existing machinery assembly drum;
Fig. 2 is the contrast schematic diagram that mechanical assembly drum of the present invention carries out the anti-package operation;
Fig. 3 is the contrast schematic diagram that carries out the anti-package operation at the position, rim of the mouth;
As shown in Figure 1, carcass cord 51, wire loop 52, secter pat cylinder block 53, driven plunger 54, secter pat connection rod set 55, secter pat 56, roller 57.
As shown in Figures 2 and 3, main shaft 1, driving shaft 2, lock dog assembly 3 refers to type anti-package device 4,
The specific embodiment
One hollow columnar main shaft 1,
Along vertical center line be sheathed on symmetrically main shaft 1 periphery lock dog assembly 3, refer to type anti-package device 4,
In main shaft 1 inside, be provided with and be used for along main shaft 1 axial direction, drive lock dog assembly 3 and refer to the driving shaft 2 that type anti-package device 4 moves back and forth.
Particularly, described driving shaft 2 is one to have the left and right roller bearing leading screw that revolves symmetrical screw thread.
Described finger type anti-package device 4 has several finger-type counter-wrapping rods 43, and several counter-wrapping rods 43 are arranged equably along main shaft 1 periphery, is provided with anti-package roller 41 on the top of counter-wrapping rod 43 and carries out anti-package and roll extrusion operation with the position, sidewall that is implemented in fetus.
The rearward end of counter-wrapping rod 43 is located in and promotes its cylinder and slide mass 42 along main shaft 1 radial dilatation and retraction, and cylinder and slide mass 42 are connected in driving shaft 2 by bearing pin and key.
Described driving lock dog assembly 3 has the lock dog cylinder block 31 that connects cylinder and slide mass 42.In lock dog cylinder block 31 inside, piston group 311 is connected with connection rod set 312 and is used to lock the carcass cord of formation fetus and the lock dog group 32 of wire loop.
Be provided with at lock dog cylinder block 31 tops and connect lock dog group 32, constitute the cushion rubber 30 of a closed-loop structure along main shaft 1 periphery, the two side ends of cushion rubber 30 is individually fixed in lock dog cylinder block 31 medial and lateral, and the vent line of lock dog cylinder block 31 is communicated to cushion rubber 30 inside.
On cylinder and slide mass 42, be provided with several along main shaft 1 periphery pushing assisted plate 46 evenly distributed, that be used for boosting inflation back cushion rubber 30, the bottom of pushing assisted plate 46 is located in contiguous cushion rubber 30 outboard ends, and the postmedian of pushing assisted plate 46 also carries out supplemental support and is connected by a boosting bar 47.
The realization flow of the auxiliary anti-package method in described realization fetus rim of the mouth is:
After finishing carcass cord and wire loop location, move to main shaft 1 center by driving shaft 2 driving lock dog assemblies 3 and finger type anti-package device 4;
By to lock dog cylinder block 31 inner import gases with driven plunger group 311, connection rod set 312 along vertical lifting lock dog group 32 and finish locking and sealing at the fetus rim of the mouth, lock dog group 32 drove counter-wrapping rods 43 and promoted certain height together this moment;
Import gas by lock dog cylinder block 31 to fetus inside apace thereupon, correspondingly also just give 43 1 power of lifting vertically upward of counter-wrapping rod, thereby can avoid the rim of the mouth impression effectively;
Several finger-type counter-wrapping rods 43 in the finger type anti-package device 4 are along main shaft 1 radial dilatation, and the anti-package roller 41 on counter-wrapping rod 43 tops carries out anti-package and roll extrusion operation at the position, sidewall in vertical lifting process;
After finishing the operation of fetus anti-package, driving shaft 2 reverse drive lock dog assemblies 3 and finger type anti-package device 4 move to main shaft 1 two side ends, and counter-wrapping rod 43 radially bounces back along main shaft 1 and resets;
To inflation, cushion rubber 30 gas inside are discharged from and are accommodated in the medial and lateral of lock dog cylinder block 31 again in lock dog cylinder block 31 inner counter, and lock dog group 32 discharges the locking to the fetus rim of the mouth along vertical whereabouts.
As above-mentioned method flow,, be squeezed in the aerated capsule outside in the outside, fetus rim of the mouth respectively along several evenly distributed pushing assisted plates 46 of main shaft 1 periphery in the process of cushion rubber 30 inner importing gases.
Concrete operation process is, move to main shaft 1 center to drive cylinder and slide mass 42 at cylinder and slide mass 42 front ends importing gas, counter-wrapping rod 43 and pushing assisted plate 46 integrally are drawn forward moving, pushing assisted plate 46 is squeezed in the aerated capsule outside, and the anti-package roller 41 on counter-wrapping rod 43 tops upwards promotes anti-package and the roll extrusion operation to finish the position, sidewall.
When counter-wrapping rod 43 is finished the anti-package operation and is bounced back when falling, the aerated capsule that cushion rubber 30 the forms exhaust of going ahead of the rest, counter-wrapping rod 43 also applies the extruding force of outside exhaust to cushion rubber 30 when bearing against cushion rubber 30, accelerate cushion rubber 30 and restPose.
In an embodiment, cushion rubber 30 is integrated part, 2 capsules that form after inflation are divided into medial and lateral two parts by lock dog group 32, and the medial and lateral capsule all has the effect at parcel, position, compacting rim of the mouth, and outside capsule also has the effect of auxiliary lifting counter-wrapping rod 43 simultaneously.
Claims (8)
1. a mechanical assembly drum of realizing the auxiliary anti-package in fetus rim of the mouth includes a hollow columnar main shaft (1),
Along vertical center line be sheathed on symmetrically main shaft (1) periphery lock dog assembly (3), refer to type anti-package device (4),
In main shaft (1) inside, be provided with and be used for along main shaft (1) axial direction, drive the driving shaft (2) that lock dog assembly (3) and finger type anti-package device (4) move back and forth,
Described finger type anti-package device (4), have several be used for carrying out at the position, sidewall of fetus anti-package and roll extrusion operation, along the evenly distributed finger-type counter-wrapping rod (43) of main shaft (1) periphery, the rearward end of counter-wrapping rod (43) is located in and promotes cylinder and the slide mass (42) of counter-wrapping rod (43) along main shaft (1) radial dilatation and retraction, and cylinder and slide mass (42) are connected in driving shaft (2);
The driving lock dog assembly (3) that the ` of institute states, has the lock dog cylinder block (31) that connects cylinder and slide mass (42), the inner piston group (311) of lock dog cylinder block (31) is connected with connection rod set (312) and is used to lock the carcass cord of formation fetus and the lock dog group (32) of wire loop, it is characterized in that:
At lock dog cylinder block (31) top, be provided with the cushion rubber (30) that connects lock dog group (32), constitutes a closed-loop structure along main shaft (1) periphery, the two side ends of cushion rubber (30) is individually fixed in lock dog cylinder block (31) medial and lateral, and the vent line of lock dog cylinder block (31) is communicated to cushion rubber (30) inside.
2. the mechanical assembly drum of the auxiliary anti-package in realization fetus according to claim 1 rim of the mouth, it is characterized in that: on cylinder and slide mass (42), be provided with several along main shaft (1) periphery pushing assisted plate (46) evenly distributed, that be used for boosting inflation back cushion rubber (30).
3. the mechanical assembly drum of the auxiliary anti-package in realization fetus according to claim 2 rim of the mouth, it is characterized in that: the bottom of pushing assisted plate (46) is located in contiguous cushion rubber (30) outboard end, and the rear portion of pushing assisted plate (46) is installed on cylinder and the slide mass (42) by a boosting bar (47).
4. according to the mechanical assembly drum of the auxiliary anti-package of claim 1,2 or 3 described realization fetus rims of the mouth, it is characterized in that: described driving shaft (2) is one to have the left and right roller bearing leading screw that revolves symmetrical screw thread.
5. the mechanical assembly drum of the auxiliary anti-package in realization fetus according to claim 4 rim of the mouth is characterized in that: be provided with anti-package roller (41) on the top of counter-wrapping rod (43).
6. method that realizes the auxiliary anti-package in fetus rim of the mouth, after finishing carcass cord and wire loop location, move to main shaft (1) center by driving shaft (2) driving lock dog assembly (3) and finger type anti-package device (4), by to lock dog cylinder block (31) inner import gas with driven plunger group (311), connection rod set (312) along vertical lifting lock dog group (32) and finish locking and sealing at the fetus rim of the mouth, it is characterized in that:
Import in the process of gas to fetus inside by lock dog cylinder block (31), cushion rubber (30) inside is imported into gas and forms 2 aerated capsules along the closed loop of main shaft (1) periphery formation respectively in the medial and lateral in fetus rim of the mouth, and 2 aerated capsules bear against, are compacted at the medial and lateral in fetus rim of the mouth respectively;
Several finger-type counter-wrapping rods (43) in the finger type anti-package device (4) are along main shaft (1) radial dilatation, and the anti-package roller (41) on counter-wrapping rod (43) top carries out anti-package and roll extrusion operation at the position, sidewall in vertical lifting process;
After finishing the operation of fetus anti-package, driving shaft (2) reverse drive lock dog assembly (3) and finger type anti-package device (4) move to main shaft (1) two side ends, and counter-wrapping rod (43) radially bounces back along main shaft (1) and resets;
Cushion rubber (30) gas inside is oppositely discharged along vent line, and lock dog cylinder block (31) is oppositely inflated and returned back to initial position along main shaft (1) one side shifting, and lock dog group (32) discharges the locking to the fetus rim of the mouth along vertical whereabouts.
7. the method for the auxiliary anti-package in realization fetus according to claim 6 rim of the mouth, it is characterized in that: in the process of the inner importing of cushion rubber (30) gas, be squeezed in the aerated capsule outside in the outside, fetus rim of the mouth respectively along evenly distributed several pushing assisted plates (46) of main shaft (1) periphery.
8. the method for the auxiliary anti-package in realization fetus according to claim 7 rim of the mouth, it is characterized in that: move to main shaft (1) center to drive cylinder and slide mass (42) at cylinder and slide mass (42) front end importing gas, counter-wrapping rod (43) and pushing assisted plate (46) integrally are drawn forward moving, pushing assisted plate (46) is squeezed in the aerated capsule outside, and the anti-package roller (41) on counter-wrapping rod (43) top upwards promotes anti-package and the roll extrusion operation to finish the position, sidewall.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010205037.XA CN102267238B (en) | 2010-06-07 | 2010-06-07 | Mechanical assembly drum assisting turn-up of tire embryo seam allowance and method for realizing assisted turn-up |
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| CN201010205037.XA CN102267238B (en) | 2010-06-07 | 2010-06-07 | Mechanical assembly drum assisting turn-up of tire embryo seam allowance and method for realizing assisted turn-up |
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| WO2015101199A1 (en) * | 2013-12-30 | 2015-07-09 | 软控股份有限公司 | Mechanical finger turn-up drive device |
| CN104772920A (en) * | 2015-04-10 | 2015-07-15 | 江苏通用科技股份有限公司 | Capsule assembly drum for micro lorry semi-steel radial tire |
| CN106626463A (en) * | 2016-12-07 | 2017-05-10 | 萨驰华辰机械(苏州)有限公司 | Assembly drum provided with novel turn-up braking device |
| CN112606451A (en) * | 2020-11-12 | 2021-04-06 | 青岛铭达高科轮胎科技有限公司 | Capsule drum with split type locking block and four capsules and tire manufacturing method |
| CN114953553A (en) * | 2022-06-17 | 2022-08-30 | 软控股份有限公司 | Tire forming method and machine drum |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015101199A1 (en) * | 2013-12-30 | 2015-07-09 | 软控股份有限公司 | Mechanical finger turn-up drive device |
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| CN112606451A (en) * | 2020-11-12 | 2021-04-06 | 青岛铭达高科轮胎科技有限公司 | Capsule drum with split type locking block and four capsules and tire manufacturing method |
| CN112606451B (en) * | 2020-11-12 | 2022-10-04 | 青岛铭达高科轮胎科技有限公司 | Tire manufacturing method using four-capsule and split type locking block capsule drum |
| CN114953553A (en) * | 2022-06-17 | 2022-08-30 | 软控股份有限公司 | Tire forming method and machine drum |
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