CN211968504U

CN211968504U - Building drum for run-flat

Info

Publication number: CN211968504U
Application number: CN201922422272.1U
Authority: CN
Inventors: 许延红
Original assignee: Shandong Hongsheng Rubber Technology Co Ltd
Current assignee: Shandong Hongsheng Rubber Technology Co Ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-11-20
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a run-flat and run-flat forming 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 capsule is sleeved by the first ring body and is connected with the capsule in the capsule inner chuck in a sealing way; 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 building drum of the utility model adopts a split structure, when run-flat tires of different models are produced, the whole run-flat building drum is prevented from being disassembled and assembled, the disassembling and assembling time is shortened, the manpower 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

Building drum for run-flat

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.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model aims at providing a run-flat tire drum, when the run-flat tire of the different models of production, when changing the support type ring of different models or with central apron assorted support type ring, can avoid wholly dismantling run-flat tire drum, shortened the activity duration, reduce the human consumption, improved the production efficiency of run-flat tire greatly.

In order to achieve the above object, the utility model provides a run-flat is with shaping drum, chuck and cover locate the capsule of chuck in the capsule including central apron, central apron both sides in the capsule, the chuck can remove for central apron along the axial of central apron in the capsule. 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 comprises a central cover plate 10, in-capsule chucks 20 at two sides of the central cover plate 10, and a capsule 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.

The utility model discloses an in the short-air for the guarantor shaping drum, the mode that adopts first ring body 10 and the combination of second ring body 20 replaces original support type ring, and first ring body 10 replaces original support type ring sealing capsule 30's effect, with capsule 30 sealing connection chuck 20 in the capsule, guarantee the normal use of short-air for the guarantor shaping drum capsule 30. 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.

Second ring member 50 adopts two semi-ring components to constitute, and similar two semi-rings constitute central apron 10, compares in the second ring member of a plurality of components of a whole that can function independently, like three third ring member or four quarter ring members, more makes things convenient for staff's dismantlement equipment, and the change of the central apron 10 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 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

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.