CN111002611A - Building drum for run-flat - Google Patents
Building drum for run-flat Download PDFInfo
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- CN111002611A CN111002611A CN201911368205.4A CN201911368205A CN111002611A CN 111002611 A CN111002611 A CN 111002611A CN 201911368205 A CN201911368205 A CN 201911368205A CN 111002611 A CN111002611 A CN 111002611A
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- run
- ring body
- ring
- flat
- cover plate
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- 239000002775 capsule Substances 0.000 claims abstract description 57
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 27
- 239000000463 material Substances 0.000 description 15
- 238000010030 laminating Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 230000006978 adaptation Effects 0.000 description 6
- 230000008859 change Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 210000001654 germ layer Anatomy 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- YGYAWVDWMABLBF-UHFFFAOYSA-N Phosgene Chemical compound ClC(Cl)=O YGYAWVDWMABLBF-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/24—Drums
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
Abstract
The invention discloses a run-flat drum, which comprises a central cover plate, a capsule inner chuck and a capsule, and also comprises a first ring body and a second ring body, wherein the first ring body is sleeved on the capsule and connects the capsule in the capsule inner chuck in a sealing manner; the second ring body can be detachably mounted on the first ring body and is formed by splicing a plurality of split bodies along the circumferential direction. Compared with the prior art, each part of the run-flat forming drum adopts a split structure, so that when run-flat tires of different models are produced, the integral assembly and disassembly of the run-flat forming drum is avoided, the assembly and disassembly time is shortened, the labor consumption is reduced, and the production efficiency of the run-flat tires is greatly improved; and the adopted split ring replaces the original support ring, so that the manufacturing cost of the forming drum is reduced, and the economy is improved.
Description
Technical Field
The application belongs to the technical field of tire preparation, especially relates to a run-flat forming drum.
Background
Run-flat tires are tires that can still be used properly after a leak of gas, and are popular because they can still safely travel a long distance at normal speeds for a long time with a complete leak of phosgene. Run-flat building drums are special equipment for producing run-flat tires and are generally classified into mechanical drums and bladder drums.
The size of the central cover plate and the support ring of the run-flat drum and the relative position relationship between the central cover plate and the support ring determine the model specification of the run-flat tire. When different models of run-flat tires are produced, different models of center cover plates need to be replaced, or different models of support rings need to be replaced, or the center cover plates and the support rings need to be replaced simultaneously, namely the support rings corresponding to the center cover plates are matched after the center cover plates are replaced.
However, the existing central cover plate and the supporting ring are of an integrated structure, when run-flat tires of different models are produced and the central cover plate or the supporting ring is replaced, the whole run-flat forming drum needs to be disassembled, and then the assembling is replaced, so that the process not only consumes long time (about 4 hours) and consumes a large amount of manpower and material resources, and the production efficiency of the run-flat tires is influenced.
The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a run-flat drum, which can prevent the whole run-flat drum from being disassembled, shorten the operation time, reduce the labor consumption, and greatly improve the production efficiency of run-flat tires when run-flat tires of different models are produced and support rings of different models or support rings matched with a central cover plate are replaced.
In order to achieve the purpose, the invention provides a run-flat forming drum which comprises a central cover plate, capsule inner chucks on two sides of the central cover plate and a capsule sleeved on the capsule inner chucks, wherein the capsule inner chucks can move relative to the central cover plate along the axial direction of the central cover plate. The run-flat drum also comprises a first ring body and a second ring body, wherein the first ring body is sleeved on the capsule and connects the capsule in a sealing way. The second ring body is formed by splicing a plurality of split bodies along the circumferential direction, and the second ring body can be disassembled and assembled in the first ring body and moves relative to the central cover plate along the axial direction of the central cover plate along with the clamping discs in the capsules.
In the application's the insufficiencies for the guarantee shaping drum capsule's of insufficiencies for normal use, the mode that adopts first ring body and second ring body combination replaces original support type ring, and first ring body replaces original support type ring seal capsule's effect, with capsule sealing connection in the capsule chuck. The effect that original support ring provided different working faces is replaced to the second ring body, and on detachable was fixed in the first ring body, along with the relative central apron motion of the axial of central apron of chuck in the capsule, the production requirement of different model tires was matchd in the guarantee. In addition, the second ring body adopts split type structure equally, is formed by a plurality of ring bodies along circumference concatenation, can directly dismantle the equipment to a plurality of components of a whole that can function independently rings when changing the second ring body of different models, more makes things convenient for the quick replacement between the different working faces of run-flat forming drum.
The utility model discloses a run-flat tire is with shaping drum, the split type structure of the ring body of run-flat tire adopts and replaces original support ring, when the run-flat tire of production different models, when changing the support ring of different models or with center cover plate assorted support ring, can avoid dismantling run-flat tire is with shaping drum is whole, has shortened the activity duration, reduces the human consumption, has improved the production efficiency of run-flat tire greatly.
In addition, to the support type ring of different models, the run-flat drum of this scheme can only dispose a first ring body to the production requirement of the run-flat tire of different models just can be satisfied to the second ring body that a plurality of and different support type ring models of adaptation correspond, has reduced the consumption of material, has reduced the cost of manufacture of forming drum, has improved the economic nature of run-flat drum.
In one example of a run-flat drum, the central cover plate is formed by a plurality of separate bodies spliced together in the circumferential direction. Center apron is similar with the second ring body, adopts a plurality of components of a whole that can function independently ring to constitute equally, when the building drum of the different models of location, compares in the center apron of monolithic structure, can directly dismantle the equipment to a plurality of components rings of the center apron of different models, accomplishes the change of the center apron of different models fast, avoids the holistic dismantlement installation of building drum for the run-flat, has improved the production efficiency of the child for the run-flat.
In one example of a run-flat drum, the central cover plate is made up of two half-rings. Preferably, the central cover plate adopts two semi-ring components to constitute, compares in the central cover plate of a plurality of components of a whole that can function independently, like three third ring body or four quarter ring bodies, more makes things convenient for staff's dismantlement equipment, and the quick change of accomplishing the central cover plate of different models avoids the holistic dismantlement installation of run-flat tire building drum, has improved the production efficiency of run-flat tire.
In one example of a run-flat drum, the second ring body is formed of two half rings. Preferably, the second ring body adopts two semi-ring components to constitute, and the central apron that two aforementioned semi-rings constitute is similar, compares in the second ring body of a plurality of components of a whole that can function independently, like three third ring body or four quarter ring bodies, more makes things convenient for staff's dismantlement equipment, and the change of the central apron of quick completion different models avoids the holistic dismantlement installation of run-flat for the building drum, has improved the production efficiency of run-flat for the child.
In one example of the run-flat drum, a connecting column extending in the axial direction of the central cover plate is arranged at one end of the first ring body facing the central cover plate, and a clamping groove capable of being clamped with the connecting column is arranged on the radial inner side of each half ring of the second ring body.
Set up the spliced pole on the first ring body, but the inside adaptation of second ring body is equipped with buckle in the draw-in groove of spliced pole, and the semi-ring of second ring body passes through the draw-in groove buckle on the spliced pole that first ring body extends, and what this structure can be quick accomplishes the second ring body assembles and fixes, compares other fastening methods such as screw adaptation screw and more can save staff's operating time, is favorable to improving the production efficiency of run-flat child.
In one example of a run-flat drum, the connecting column consists of screws connected to the first ring body.
The screw commonly used is installed on first ring body to open in second ring body anchor ring inboard have with screw assorted draw-in groove, the semi-ring of second ring body passes through the draw-in groove buckle on the screw of first ring body, when changing the second ring body of different models, only need not hard up the screw can accomplish the dismantlement of each semi-ring of second ring body, convenient and fast can save staff's operating time, is favorable to improving the production efficiency of run-flat child.
In any of the examples of run-flat building drums described above, the surface of the drum capsules is provided with grooves. Usually the capsule surface of run-flat drum-type moulding is the smooth surface, during production, after laminating the inner liner on the run-flat drum-type moulding, the evacuation effect of capsule bottom can make support material and the excessive laminating of capsule surface, the phenomenon of material adhesion capsule appears even, and child germ layer laminating insecure or even child blank obscission when causing support material turn-ups laminating afterwards. Through set up the slot on the capsule surface, make supporting material and capsule surface possess certain gap, the separation of supporting material and capsule when making things convenient for the turn-ups laminating ensures the smooth completion of side wall operation, improves the quality of run-flat forming drum.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic diagram illustrating an exemplary embodiment of a run-flat drum, and a schematic diagram illustrating a use state of the run-flat drum;
FIG. 2 is a schematic view illustrating another use of the run-flat drum;
FIG. 3 is a schematic view illustrating the structure of the original support ring of the run-flat drum;
FIG. 4 is a schematic diagram illustrating the first ring body after the original support ring of the run-flat drum has been split;
FIG. 5 is a schematic diagram illustrating the second ring body after the original support ring of the run-flat drum has been split;
FIG. 6 is a schematic left-view diagram of the second ring body shown in FIG. 5, and a schematic structural diagram of the second ring body being two half ring bodies;
FIG. 7 is a schematic diagram illustrating the mounting configuration of one exemplary embodiment of a run-flat drum half;
reference numerals: 10-central cover plate, 11-central cover plate semi-ring, 20-capsule inner chuck, 30-capsule, 31-groove, 40-first ring body, 50-second ring body, 51-second ring body semi-ring, 60-connecting column, 70-clamping groove, 80-original supporting ring and 81-parting line.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In the description of the present application, it is to be understood that the terms "central," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In the description herein, references to the description of the terms "an aspect," "some aspects," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the aspect or example is included in at least one aspect or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same solution or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more aspects or examples.
For convenience of description, the terms "front", "rear", "left", "right", "upper" and "lower" will be used hereinafter with reference to the orientation of the drum relative to the user; wherein, the side facing the user is front, and the opposite side is back.
Fig. 1 is a schematic view illustrating a configuration of an exemplary embodiment of a run-flat drum and a configuration of one use state of the run-flat drum, and fig. 2 is a schematic view illustrating a configuration of another use state of the run-flat drum. As shown in fig. 1, the embodiment of the present invention provides a run-flat drum, which includes a central cover plate 10, in-capsule chucks 20 at both sides of the central cover plate 10, and capsules 30 sleeved on the in-capsule chucks 20, wherein the in-capsule chucks 20 can move relative to the central cover plate 10 along the axial direction of the central cover plate 10. The run-flat drum further comprises a first ring body 40 and a second ring body 50, wherein the first ring body 40 is sleeved on the capsule 30 to hermetically connect the capsule 30 to the capsule inner chuck 20. The second ring body 50 is formed by splicing a plurality of split bodies along the circumferential direction, and the second ring body 50 can be disassembled and assembled on the first ring body 40 and moves relative to the central cover plate 10 along the axial direction of the central cover plate 10 along with the capsule inner chuck 20.
The dimensions of the central cover plate 10 and the support ring 80 of the drum, and their relative positions, together determine the type and specification of the run-flat tire being produced. In order to satisfy the requirements for producing run-flat tires of different sizes, the central cover 10 has a plurality of sizes of different outer diameters, different diameters and different widths, and the support ring also has a plurality of sizes of different outer diameters, different diameters and different widths.
The radial inner side of the center cover plate 10 has a moving area for the support ring 80 to extend and retract, which ensures that the support ring can move freely relative to the center cover plate. And the internal diameter of center apron 10 and the external diameter looks adaptation of support ring, the external diameter of support ring just laminates with the internal diameter of center apron 10 mutually, when the run-flat tire of production different models, perhaps changes the support ring of different models (torus width), perhaps changes center apron and matches corresponding support ring, needs to dismantle run-flat forming drum whole, then changes the equipment again. In addition, when a certain type of center cover plate 10 is selected, if a corresponding support ring is not fitted, a certain gap is generated between the center cover plate 10 and the support ring, and the edge of the center cover plate is easily scratched on the inner wall of the tire during the extrusion molding process of the run-flat tire, thereby affecting the quality of the tire.
In this way, in this embodiment, the original ring-changing surface of the support ring 80 is divided into two parts along the circumferential dividing line 81 as shown in fig. 3, and the ring having a small outer diameter is the first ring body 40, and the integral structure thereof is retained as shown in fig. 4. The ring with the larger outer diameter is the second ring body 50, and then the second ring body is divided into a plurality of split rings which are circumferentially spliced into a complete second ring body, as shown in fig. 5. The first ring 40 seals the bladder 30 to the bladder chuck 20 to prevent blow-by of the building drum, and the second ring 50 provides the working surface for the run flat tire.
In the run-flat forming drum of the invention, the original support ring is replaced by combining the first ring body 10 and the second ring body 20, the first ring body 10 replaces the original support ring to seal the capsule 30, the capsule 30 is connected to the capsule inner chuck 20 in a sealing way, and the normal use of the run-flat forming drum capsule 30 is ensured. The second ring body 50 replaces the original support ring to provide the effect of different working faces, and the detachable is fixed in the first ring body 40, and along with the relative central apron 10 motion of chuck 20 along the axial of central apron 10 in the capsule, the guarantee matches the production requirement of different model tires. In addition, the second ring body 50 adopts split type structure equally, is formed by a plurality of ring bodies along circumference concatenation, can directly dismantle the equipment to a plurality of components of a whole that can function independently rings when changing the second ring body 50 of different models, more makes things convenient for the short-air insurance to use the quick replacement between the different working faces of forming drum.
The utility model has the advantages of run-flat is with forming drum adopts the ring body of split type structure to replace original support ring, when the run-flat tire of production different models, when changing the support ring of different models or with central apron 10 assorted support ring, can avoid wholly dismantling run-flat is with forming drum, has shortened the activity duration, reduces the human consumption, has improved the production efficiency of run-flat tire greatly.
In addition, to the support type ring of different models, the run-flat building drum of this scheme can only dispose a first ring body 40 to the second ring body 50 that a plurality of and different support type ring models of adaptation correspond just can satisfy the production requirement of the run-flat tire of different models, has reduced the consumption of material, has reduced the cost of manufacture of building drum, has improved the economic nature of run-flat building drum.
In one embodiment, the center cover plate 10 is formed by a plurality of split bodies spliced together in the circumferential direction (not shown in the drawings). Specifically, the ring surface of the center cover plate 10 of each model is divided into a plurality of split bodies towards the direction of the central axis, and the split bodies are spliced and fixed on the center cover plate bracket when in use. The center cover plate 10 is formed by splicing a plurality of split bodies along the circumferential direction. Center apron 10 is similar with second ring body 50, adopts a plurality of components of a whole that can function independently ring to constitute equally, when the building drum of the different models of location, compares in the center apron 10 of monolithic structure, can directly dismantle the equipment to a plurality of components of a whole that lap 10 in the center of different models, accomplishes the change of apron 10 in the center of different models fast, avoids the holistic dismantlement installation of building drum for the run-flat, has improved the production efficiency of the child for the run-flat.
Preferably, the original center cover plate 10 of each model is divided into two center cover plate half rings 11. The central cover plate 10 is formed by two half-ring assemblies, as shown in fig. 1. Compare in the center apron of a plurality of components of a whole that can function independently, like three third rings body or four quarter rings bodies, more make things convenient for staff's dismantlement equipment, the change of the center apron of the different models of quick completion avoids the whole dismantlement installation of run-flat building drum, has improved the production efficiency of run-flat child.
In one embodiment, as shown in fig. 5 and 6, the second ring 50 is formed by two second ring half rings 51, and specifically, the original support ring can be divided into two parts along the circumferential direction directly on the ring-changing surface of the support ring, the ring with the smaller outer diameter is the first ring 40, the ring with the larger outer diameter is the second ring 50, and then the second ring 50 is divided into two half rings in the direction toward the central axis on the ring surface of the second ring 50.
In one embodiment, as shown in fig. 7, a connecting column 60 extending in the axial direction of the central cover plate 10 is disposed at one end of the first ring body 40 facing the central cover plate 10, and a locking groove 70 capable of being locked with the connecting column 60 is disposed at the radial inner side of the two support half rings 51 of the second ring body 50. The connecting column is arranged on the first ring body, the inner side of the second ring body is suitable for being provided with a clamping groove which can be buckled on the connecting column, and the semi-ring of the second ring body is buckled on the connecting column extended out of the first ring body through the clamping groove. During production, the two support half rings 51 of the second ring body 50 are fixed on the connecting column 60 in a clamping manner through the clamping grooves 70 arranged on the two support half rings. This structure can be quick accomplish assembling and fixed of second ring body, compares other fastening methods such as screw adaptation screw and more can save staff's operating time, is favorable to improving the production efficiency of run-flat child.
Blind holes are punched on the side surfaces of the base rings 40 divided by the support ring, and the matched connecting columns 60 are inserted into the connecting holes; connecting holes are formed in the radial inner sides of the support half rings 51 of the divided second ring bodies 50, then the parts of the ring bodies around the connecting holes, which are far away from the ring surface, are removed to obtain clamping grooves 70, and then the support half rings 51 of the second ring bodies 50 are clamped on the connecting columns 60 through the clamping grooves 70. The support semi-ring 51 of second ring body 50 passes through the mode buckle of draw-in groove through the buckle on the spliced pole 60 that first ring body 40 extends, and the installation that accomplishes second ring body 50 that can be quick is fixed, saves staff's operating time.
Fastening screws are selected for the connecting column 60, the supporting half rings 51 of the second ring body 50 are buckled on the screws on the side surface of the first ring body 40, when the second ring body 50 is replaced, the second ring body 50 can be disassembled by only loosening the screws to complete the supporting half rings 51, then the supporting half rings 51 of the second ring body 50 with required specifications are buckled on the screws, and the second ring body 50 can be installed and fixed by only the fastening screws, so that the convenience and the rapidness are realized.
In one embodiment, as shown in FIG. 7, the capsule 30 is provided with grooves 31 formed in its surface. Usually the capsule surface of run-flat drum-type moulding is the smooth surface, during production, after laminating the inner liner on the run-flat drum-type moulding, the evacuation effect of capsule bottom can make support material and the excessive laminating of capsule surface, the phenomenon of material adhesion capsule appears even, and child germ layer laminating insecure or even child blank obscission when causing support material turn-ups laminating afterwards. Through set up the slot on the capsule surface, make supporting material and capsule surface possess certain gap, the separation of supporting material and capsule when making things convenient for the turn-ups laminating ensures the smooth completion of side wall operation, improves the quality of run-flat forming drum.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (7)
1. A run-flat forming drum comprises a central cover plate, capsule inner chucks on two sides of the central cover plate and capsules sleeved on the capsule inner chucks, wherein the capsule inner chucks can move relative to the central cover plate along the axial direction of the central cover plate,
the first ring body is sleeved on the capsule and connects the capsule to the capsule inner chuck in a sealing manner; and
the second ring body is formed by splicing a plurality of split bodies along the circumferential direction, and the second ring body can be detachably mounted on the first ring body and moves along with the capsule inner chuck relative to the central cover plate along the axial direction of the central cover plate.
2. Drum as claimed in claim 1, wherein the central cover plate is formed by a plurality of separate bodies joined together in the circumferential direction.
3. Drum as claimed in claim 2, wherein the central cover plate is formed of two half-rings.
4. The run flat drum of claim 1, wherein the second ring body is formed from two half rings.
5. The drum as claimed in claim 4, wherein the first ring body is provided with a connecting post extending in the axial direction of the central cover plate at an end thereof facing the central cover plate, and wherein each of the half rings is provided with a locking groove on a radially inner side thereof, the locking groove being capable of being locked to the connecting post.
6. The drum as claimed in claim 5, wherein the connecting studs are constituted by screws connected to the first ring.
7. Drum according to any one of claims 1 to 6, wherein the surface of the capsules is provided with grooves.
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CN201911368205.4A CN111002611A (en) | 2019-12-26 | 2019-12-26 | Building drum for run-flat |
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CN107650402A (en) * | 2017-09-25 | 2018-02-02 | 青岛软控机电工程有限公司 | A kind of run-flat riding radial tire mechanical assembly drum |
CN110202809A (en) * | 2019-07-01 | 2019-09-06 | 萨驰华辰机械(苏州)有限公司 | A kind of tire assembly drum |
CN211968504U (en) * | 2019-12-26 | 2020-11-20 | 山东宏盛橡胶科技有限公司 | Building drum for run-flat |
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CN204820387U (en) * | 2015-06-29 | 2015-12-02 | 特拓(青岛)轮胎技术有限公司 | Once -through method tire building machine assembly drum combination formula costas loop |
CN206551515U (en) * | 2016-12-13 | 2017-10-13 | 广东日星机械科技有限公司 | A kind of once-through method machinery drum of Runflat tire |
CN206926281U (en) * | 2017-04-24 | 2018-01-26 | 特拓(青岛)轮胎技术有限公司 | Once-through method half steel back-bag moulding drum central cover and side ring mechanism |
CN107650402A (en) * | 2017-09-25 | 2018-02-02 | 青岛软控机电工程有限公司 | A kind of run-flat riding radial tire mechanical assembly drum |
CN110202809A (en) * | 2019-07-01 | 2019-09-06 | 萨驰华辰机械(苏州)有限公司 | A kind of tire assembly drum |
CN211968504U (en) * | 2019-12-26 | 2020-11-20 | 山东宏盛橡胶科技有限公司 | Building drum for run-flat |
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