CN108527904B - Locking device for tyre processing, forming drum and secondary expansion method - Google Patents
Locking device for tyre processing, forming drum and secondary expansion method Download PDFInfo
- Publication number
- CN108527904B CN108527904B CN201810247180.1A CN201810247180A CN108527904B CN 108527904 B CN108527904 B CN 108527904B CN 201810247180 A CN201810247180 A CN 201810247180A CN 108527904 B CN108527904 B CN 108527904B
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- Prior art keywords
- locking
- sliding sleeve
- assembly
- locking device
- stop
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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
- B29D30/26—Accessories or details, e.g. membranes, transfer rings
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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
- B29D30/32—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
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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
- B29D30/26—Accessories or details, e.g. membranes, transfer rings
- B29D2030/2671—Holding the layers, e.g. the webs or the plies, in position onto the drum
- B29D2030/2685—Holding the layers, e.g. the webs or the plies, in position onto the drum by using mechanical means, e.g. jaws, grippers, pressing bars
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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
- B29D30/32—Fitting the bead-rings or bead-cores; Folding the textile layers around the rings or cores
- B29D2030/3214—Locking the beads on the drum; details of the drum in the bead locking areas, e.g. drum shoulders
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
Abstract
The invention provides a locking device for tire processing, a forming drum and a secondary expansion method. Wherein, locking device for tire processing includes: a cylindrical main body; the locking block assembly is arranged on the cylindrical main body and comprises a locking block and a transmission part connected with the locking block, the locking block assembly is in an expansion state and a seamless state of radial movement of the locking block along the cylindrical main body, and after the locking device is inflated, the locking block assembly is in the expansion state, so that a sleeved structure sleeved outside the locking block assembly is opened, and the transmission part moves along the axial direction of the cylindrical main body; the adjusting component is arranged on the cylindrical main body and positioned in the movement direction of the transmission component, when the adjusting component stops the transmission component, the locking piece stops moving, the locking piece component is in a seamless state, and the adjusting component adjusts the position of the adjusting component and/or the transmission component so that the locking piece component is switched from the seamless state to the expansion state. The locking device solves the problem of low locking efficiency of the locking block of the locking device in the prior art.
Description
Technical Field
The invention relates to the technical field of tire building, in particular to a locking device for tire processing, a forming drum and a secondary expansion method.
Background
Currently, tyre building drums are divided into bladder drums and mechanical drums, the main difference between the two types of building drums being the turnup mode. Wherein, the capsule drum adopts the anti-rubber bag to aerify and turn up, and the machinery drum adopts the anti-pole of turning up to turn up. The common part of the two drums is a locking device, and the locking device is mainly used for locking the steel ring, so that the sliding phenomenon can not occur after the curtain cloth and the steel ring are locked. In the prior art, the main functional component of the locking device is a locking block, and the locking block has the following two types:
1. There is a slot lock block. The diameter of the expanded slotted locking block can be adjusted by adjusting the lifting height of the connecting rod, so that the proper locking diameter can be achieved. However, the slotted locking piece has a smaller slot after contraction, and the slot becomes larger after expansion, which is not beneficial to the stable locking of the steel ring and the curtain cloth;
2. Seamless locking block. When in a contracted state, the small locking block is positioned below the large locking block, the large locking block and the small locking block are positioned on the same circle after the locking block is expanded, no gap exists between the locking blocks, and the steel ring and the curtain cloth can be well locked. However, the locking diameter of the locking block after locking is a fixed value, and if the diameter of the bead ring or the thickness of the sizing material at the bottom of the bead ring is not matched with the locking diameter of the seamless locking block, the steel ring is not locked or the sizing material is extruded and deformed, so that the quality of the tire is affected.
Disclosure of Invention
The invention mainly aims to provide a locking device, a forming drum and a secondary expansion method for tire processing, so as to solve the problems that in the prior art, locking efficiency of locking blocks of the locking device is low and quality of tires is affected.
In order to achieve the above object, according to one aspect of the present invention, there is provided a locking device for tire processing, comprising: a cylindrical main body; the locking block assembly is arranged on the cylindrical main body and comprises a locking block and a transmission part connected with the locking block, the locking block assembly is in an expansion state and a seamless state of radial movement of the locking block along the cylindrical main body, and after the locking device is inflated, the locking block assembly is in the expansion state, so that a sleeved structure sleeved outside the locking block assembly is opened, and the transmission part moves along the axial direction of the cylindrical main body; the adjusting component is arranged on the cylindrical main body and positioned in the movement direction of the transmission component, when the adjusting component stops the transmission component, the locking piece stops moving, the locking piece component is in a seamless state, and the adjusting component adjusts the position of the adjusting component and/or the transmission component so that the locking piece component is switched from the seamless state to the expansion state.
Further, the adjustment assembly includes: the stop part is used for stopping the transmission part when the transmission part is matched with the stop part, and the locking block assembly is in a seamless state; and the driving assembly drives the stop part and/or the transmission part to move when the locking block assembly is in a seamless state.
Further, the cylindrical body includes: a first cylinder; the second barrel is sleeved outside the first barrel, the first barrel and the second barrel are coaxially arranged, an accommodating space is formed between the first barrel and the second barrel, and the adjusting assembly and the partial locking block assembly are located in the accommodating space.
Further, when the locking piece assembly is in the seamless state, the driving assembly drives the transmission part to move towards the locking piece, and the transmission part pushes the stop part to move together, and the locking device further comprises: the stop part driving assembly is positioned between the driving assembly and the stop part, when the driving assembly drives the transmission part to move towards the locking piece, the stop part driving assembly drives the stop part to move towards the transmission part, and the moving distance of the stop part under the pushing of the transmission part is larger than the moving distance of the stop part under the driving of the stop part driving assembly within a preset time.
Further, the stop driving assembly is fixedly connected with the stop so that the stop moves along with the stop driving assembly.
Further, the transmission member includes: one end of the connecting rod is connected with the locking piece; the sliding sleeve is sleeved outside the first cylinder body and can slide along the cylinder wall of the first cylinder body, the other end of the connecting rod is connected with the sliding sleeve, and the driving assembly drives the sliding sleeve to move so as to enable the locking piece connected with the sliding sleeve to move.
Further, the lock block components are two groups, and the two groups of lock block components are respectively: the first locking block assembly comprises a plurality of first locking blocks and a plurality of first transmission parts, the plurality of first locking blocks are arranged corresponding to the plurality of first transmission parts, and each first transmission part comprises a first connecting rod and a first sliding sleeve; the second locking piece assembly comprises a plurality of second locking pieces and a plurality of second transmission parts, the second locking pieces and the second transmission parts are correspondingly arranged, each second transmission part comprises a second connecting rod and a second sliding sleeve, and the driving assembly drives the second sliding sleeve to move so that the second sliding sleeve and the first sliding sleeve connected with the second sliding sleeve slide along the wall of the first barrel.
Further, the second locking piece is located below the first locking piece, when the locking piece assembly is in a seamless state, no gap exists between the first locking piece and the second locking piece, and all the first locking pieces and all the second locking pieces are located on the same circle.
Further, the second sliding sleeve includes: the sliding sleeve body is sleeved outside the first cylinder body; the connecting protrusion is arranged on the outer surface of the sliding sleeve body, the first sliding sleeve is sleeved outside the sliding sleeve body, the bolt penetrates through the connecting protrusion and the first sliding sleeve to connect the first sliding sleeve and the second sliding sleeve together, the driving assembly is connected with the sliding sleeve body through the fastening piece, and the sliding sleeve body moves along with the driving assembly.
Further, the locking device further includes: the elastic piece is arranged between the connecting protrusion and the first sliding sleeve, and when the locking block assembly is in a seamless state, the connecting protrusion is attached to the first sliding sleeve.
Further, the backstop is L shaped plate form structure, and backstop drive assembly includes: the piston is positioned between the second sliding sleeve and the second cylinder body and is provided with a first containing groove: the switching disc is fixedly connected with the piston and the stop part and is provided with a second accommodating groove; and the driving piece moves in the first accommodating groove and the second accommodating groove, and when the second accommodating groove is inflated, the driving piece moves towards the first accommodating groove and applies thrust to the piston.
Further, the adjusting component is a fastening screw, and the stop position of the adjusting component and the transmission component is changed by adjusting the depth of the fastening screw extending into the cylindrical main body.
According to another aspect of the invention, a building drum is provided comprising a locking device as described above.
According to another aspect of the present invention, there is provided a secondary expansion method, employing the above-described forming drum, comprising: step S1: sleeving the sleeving structure on the locking device of the forming drum; step S2: inflating the locking device, wherein a locking block assembly of the locking device is in an expanded state, and a locking block of the locking block assembly moves along the radial direction of a cylindrical main body of the locking device so as to prop open the sleeving structure, and meanwhile, a transmission part of the locking block assembly moves along the axial direction of the cylindrical main body; step S3: when the transmission part is stopped by the adjusting component of the locking device, the locking piece stops moving, and the locking piece component is in a seamless state; step S4: the adjustment assembly adjusts the position of itself and/or the transmission component, and the locking piece continues to move along the radial direction of the cylindrical main body, so that the locking piece assembly is switched from the seamless state to the expansion state.
Further, in step S3, the transmission member is in stop engagement with a stop of the adjustment assembly.
Further, in step S4, the driving component of the adjusting component drives the second sliding sleeve of the second locking block component to move, the first sliding sleeve connected with the second sliding sleeve slides along the wall of the first barrel of the barrel-shaped main body along with the second sliding sleeve, the second sliding sleeve drives the second locking block of the second locking block component to move through the second connecting rod of the second locking block component, and the first sliding sleeve drives the first locking block of the first locking block component to move through the first connecting rod of the first locking block component, so that the sleeving structure is continuously opened.
Further, while step S4 is being performed, the stopper driving assembly of the locking device drives the stopper to move toward the transmission member, and the movement distance of the transmission member is greater than the movement distance of the stopper within a predetermined time.
Further, in step S4, the depth of the adjusting component extending into the cylindrical body is adjusted to change the stop position of the adjusting component and the transmission component, so that the locking piece can move along the radial direction of the cylindrical body.
By applying the technical scheme of the invention, the locking device for tire processing comprises a cylindrical main body, a locking block assembly and an adjusting assembly. The locking block assembly is arranged on the cylindrical main body and comprises a locking block and a transmission part connected with the locking block, the locking block assembly is in an expansion state and a seamless state of radial movement of the locking block along the cylindrical main body, after the locking device is inflated, the locking block assembly is in the expansion state, so that a sleeved structure sleeved outside the locking block assembly is opened, and the transmission part moves along the axial direction of the cylindrical main body. The adjusting component is arranged on the cylindrical main body and positioned in the movement direction of the transmission component, when the adjusting component stops the transmission component, the locking piece stops moving, the locking piece component is in a seamless state, and the adjusting component adjusts the position of the adjusting component and/or the transmission component so that the locking piece component is switched from the seamless state to the expansion state. Thus, in the tire manufacturing process, after the locking device is inflated, the locking piece of the locking piece assembly moves along the radial direction of the cylindrical main body, so that the locking diameter of the locking device is increased, and the sleeve structure (curtain cloth) sleeved outside the locking piece assembly is unfolded. At the same time, the transmission part of the locking block assembly moves along the axial direction of the cylindrical main body, and when the transmission part is matched with the adjusting assembly stop positioned in the movement direction of the transmission part, the locking block stops moving. After that, the adjusting component adjusts the position of the adjusting component and/or the transmission component, and the locking block can further move along the radial direction of the cylindrical main body, so that the locking block component is switched from a seamless state to an expansion state, the locking diameter of the locking device is further increased, and the sleeve structure (curtain cloth) sleeved on the locking device is further unfolded.
Compared with the locking block of the locking device in the prior art, the locking device disclosed by the application has the advantages that the locking device can be expanded for the second time, so that the locking diameter of the locking device can be adjusted, the matching between a sleeved structure (curtain cloth) sleeved on the locking block and the bead ring is tighter and matched, and the processing quality of a tire is further improved.
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 specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
fig. 1 shows a front view of an embodiment of a locking device for tyre processing according to the invention, in an initial state;
FIG. 2 shows a cross-sectional view of the locking device of FIG. 1 in the A-A direction;
FIG. 3 shows a front view of the locking device of FIG. 1 in an expanded state;
FIG. 4 shows a B-B cross-sectional view of the locking device of FIG. 3;
FIG. 5 shows a front view of the locking device of FIG. 1 in a seamless state;
FIG. 6 shows a C-C cross-sectional view of the locking device of FIG. 5;
FIG. 7 shows a front view of the locking device of FIG. 1 in a secondary expanded state;
FIG. 8 shows a D-D cross-sectional view of the locking device of FIG. 7; and
Fig. 9 shows a cross-sectional view of a second embodiment of a locking device for tyre processing according to the invention in an initial state.
Wherein the above figures include the following reference numerals:
10. A cylindrical main body; 11. a first cylinder; 12. a second cylinder; 21. a locking piece; 211. a first locking piece; 212. a second locking piece; 22. a transmission member; 221. a first link; 222. a first sliding sleeve; 223. a second sliding sleeve; 223a, sliding sleeve body; 223b, connection bumps; 40. an adjustment assembly; 41. a stop portion; 42. a drive assembly; 50. a stop drive assembly; 51. a piston; 52. a switching disc; 53. a driving member; 60. an elastic member; 70. a fastener.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.
In the present invention, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used generally with respect to the orientation shown in the drawings or to the vertical, vertical or gravitational orientation; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present invention.
The application provides a locking device for tire processing, a forming drum and a secondary expansion method, which are used for solving the problems that in the prior art, locking blocks of the locking device are low in locking efficiency and tire quality is influenced.
Example 1
As shown in fig. 1 to 8, the locking device for tire processing includes a cylindrical body 10, a lock block assembly, and an adjustment assembly 40. Wherein, the locking piece subassembly sets up on tubular body 10, and the locking piece subassembly includes locking piece 21 and the transmission part 22 of being connected with locking piece 21, and the locking piece subassembly has the expansion state and the seamless state of radial motion of locking piece 21 along tubular body 10, and after inflating locking device, the locking piece subassembly is in the expansion state to make the cover of establishing outside the locking piece subassembly establish the structure and be propped up, and the axial motion of transmission part 22 along tubular body 10. The adjusting assembly 40 is disposed on the tubular body 10 and located in the movement direction of the transmission member 22, and when the adjusting assembly 40 stops the transmission member 22, the lock block 21 stops moving, and the lock block assembly is in a seamless state, and the adjusting assembly 40 adjusts the positions of itself and the transmission member 22 so that the lock block assembly is switched from the seamless state to the expanded state.
By applying the technical scheme of the embodiment, after the locking device is inflated in the tire manufacturing process, the locking piece 21 of the locking piece assembly moves along the radial direction of the cylindrical main body 10, so that the locking diameter of the locking device is increased, and the sleeve structure (curtain cloth) sleeved outside the locking piece assembly is unfolded. At the same time, the transmission member 22 of the lock block assembly moves in the axial direction of the cylindrical body 10, and the lock block 21 stops moving when the transmission member 22 is in stop engagement with the adjustment assembly 40 located in the moving direction thereof. After that, the adjusting component 40 adjusts the positions of itself and the transmission component 22, and the locking piece 21 can further move along the radial direction of the cylindrical main body 10, so that the locking piece component is switched from a seamless state to an expanded state, the locking diameter of the locking device is further increased, and the sleeving structure (curtain cloth) sleeved on the locking device is further unfolded.
Compared with the locking block of the locking device in the prior art, the locking device in the embodiment can be expanded secondarily, so that the locking diameter of the locking device can be adjusted, the sleeved structure (curtain cloth) sleeved on the locking block 21 can be matched with the bead ring more tightly, and the processing quality of the tire can be improved.
In this embodiment, the locking diameter of the locking device is adjustable, so that the locking device can be applied to bead rings with different diameters, and the application range of the locking device is improved.
As shown in fig. 4, the adjusting component 40 includes a stop 41 and a driving component 42. When the transmission part 22 is stopped by the stopping part 41, the locking block assembly is in a seamless state. When the lock block assembly is in the seamless state, the driving assembly 42 drives the stopper 41 and the transmission member 22 to move. Specifically, when the transmission part 22 is in stop fit with the stop part 41, the locking piece 21 cannot move continuously, the stop part 41 and the transmission part 22 are driven to move through the driving component 42, and the transmission part 22 drives the locking piece 21 to move, so that the locking diameter of the locking device (namely, the outer circle diameter enclosed by the locking piece 21) is increased, the sleeving structure (curtain cloth) sleeved outside the locking piece 21 is further unfolded, and secondary expansion is realized, so that the sleeving structure (curtain cloth) is matched with the bead ring, and the bead ring is locked with the sleeving structure (curtain cloth) better.
As shown in fig. 2, 4, 6 and 8, the tubular body 10 includes a first tubular body 11 and a second tubular body 12. The second cylinder 12 is sleeved outside the first cylinder 11, the first cylinder 11 and the second cylinder 12 are coaxially arranged, an accommodating space is formed between the first cylinder 11 and the second cylinder 12, and the adjusting assembly 40 and a part of the locking block assembly are located in the accommodating space. The structure of the structure is simple, the processing and the assembly are easy, and the structure of the locking device is more compact.
Specifically, during the tire manufacturing process, the second cylinder 12 is inflated to raise the lock piece 21 in the radial direction of the first cylinder 11 until the transmission member 22 is in stop engagement with the stop portion 41, so that the locking device is in a seamless state. The drive assembly 42 then drives the stop 41 and the transmission member 22 together to further expand the locking device.
As shown in fig. 6, when the lock block assembly is in a seamless state, the driving assembly 42 drives the transmission member 22 to move toward the lock block 21, and the transmission member 22 pushes the stopper 41 to move together, and the locking device further includes a stopper driving assembly 50. Wherein, the stop driving assembly 50 is located between the driving assembly 42 and the stop 41, when the driving assembly 42 drives the transmission member 22 to move towards the lock block 21, the stop driving assembly 50 drives the stop 41 to move towards the transmission member 22, and the moving distance of the stop 41 under the pushing of the transmission member 22 is greater than the moving distance of the stop 41 under the driving of the stop driving assembly 50 within a predetermined time. In this way, the above arrangement ensures that the transmission member 22 and the stop portion 41 are always in close contact, and the final movement direction of the stop portion 41 is the same as the movement direction of the transmission member 22, so that the locking piece 21 can be further lifted along the radial direction of the first cylinder 11, and the locking diameter of the locking device is further increased.
In the present embodiment, the stopper driving assembly 50 is fixedly connected with the stopper 41 so that the stopper 41 moves along with the stopper driving assembly 50. Specifically, the stopper driving assembly 50 is connected with the stopper 41 by a bolt. The above-described connection makes the mounting or dismounting of the stopper driving assembly 50 to or from the stopper 41 easier and simpler.
Note that, the connection between the stopper driving unit 50 and the stopper 41 is not limited to this. Optionally, the stopper drive assembly 50 is riveted or welded to the stopper 41.
In this embodiment, the transmission member 22 includes a link and a sliding sleeve. Wherein one end of the connecting rod is connected with the locking piece 21. The sliding sleeve is sleeved outside the first cylinder 11 and can slide along the cylinder wall of the first cylinder 11, the other end of the connecting rod is connected with the sliding sleeve, and the driving assembly 42 drives the sliding sleeve to move so as to enable the locking piece 21 connected with the sliding sleeve to move. Thus, after the second cylinder 12 is inflated, the locking piece 21 drives the sliding sleeve to move through the connecting rod until the sliding sleeve is in stop fit with the stop part 41, and the locking device is in a seamless state. Then, the driving assembly 42 drives the sliding sleeve to move, and the sliding sleeve pushes the stop part 41 to slide along the wall of the first cylinder 11. Meanwhile, the sliding sleeve drives the locking piece 21 to move through the connecting rod, so that the locking piece 21 is lifted along the radial direction of the first cylinder 11, and the locking device is switched from a seamless state to an expanded state.
As shown in fig. 1 and 2, the lock block assemblies are two groups, and the two groups of lock block assemblies are a first lock block assembly and a second lock block assembly respectively. The first locking block assembly includes a plurality of first locking blocks 211 and a plurality of first transmission members, and the plurality of first locking blocks 211 and the plurality of first transmission members are disposed in one-to-one correspondence, and each first transmission member includes a first connecting rod 221 and a first sliding sleeve 222. The second locking block assembly comprises a plurality of second locking blocks 212 and a plurality of second transmission parts, the second locking blocks 212 and the second transmission parts are arranged in one-to-one correspondence, each second transmission part comprises a second connecting rod and a second sliding sleeve 223, and the driving assembly 42 drives the second sliding sleeve 223 to move so that the second sliding sleeve 223 and a first sliding sleeve 222 connected with the second sliding sleeve 223 slide along the wall of the first cylinder 11. Wherein, the second locking piece 212 is located below the first locking piece 211, when the locking piece assembly is in a seamless state, no gap exists between the first locking piece 211 and the second locking piece 212, and all the first locking pieces 211 and all the second locking pieces 212 are located on the same circle. The structure is simple and easy to process and realize.
Optionally, the first sliding sleeve 222 is sleeved outside the second sliding sleeve 223.
Specifically, the first locking piece 211 is a large locking piece, and the second locking piece 212 is a small locking piece. After the second cylinder 12 is ventilated, the large locking piece and the small locking piece are lifted together, when the first sliding sleeve 222 touches the stop part 41, under the blocking of the stop part 41, no gap exists between the first sliding sleeve 222 and the second sliding sleeve 223, so that the lifting heights of the large locking piece and the small locking piece are consistent, the outer surfaces of all the locking pieces are positioned on the same circle, and at the moment, the connecting rod angles of the large locking piece and the small locking piece are the same. Afterwards, the driving assembly 42 drives the second sliding sleeve 223 to move, so that the second sliding sleeve 223 and the first sliding sleeve 222 push the stop part 41 and the stop part driving assembly 50 to move forwards together, the large locking block and the small locking block achieve further ascending, and further the locking diameter of the locking device is increased, so that the sleeving structure (curtain cloth) is matched with the bead ring, and further the processing quality of the tire is improved.
As shown in fig. 8, the second sliding sleeve 223 includes a sliding sleeve body 223a and a connection protrusion 223b. Wherein, the sliding sleeve body 223a is sleeved outside the first cylinder 11. The connection protrusion 223b is disposed on an outer surface of the sliding sleeve body 223a, the first sliding sleeve 222 is sleeved outside the sliding sleeve body 223a, a bolt passes through the connection protrusion 223b and the first sliding sleeve 222 to connect the first sliding sleeve 222 and the second sliding sleeve 223 together, the driving assembly 42 is connected with the sliding sleeve body 223a through the fastener 70, and the sliding sleeve body 223a moves together with the driving assembly 42. In this way, the second sliding sleeve 223 is connected with the first sliding sleeve 222 through bolts, and the second sliding sleeve 223 can drive the first sliding sleeve 222 to move together, so as to realize further expansion and lifting of the first locking piece 211 and the second locking piece 212. The above-described connection manner of the second sliding sleeve 223 and the first sliding sleeve 222 makes the installation or the removal of the two easier and more convenient.
Alternatively, the sliding sleeve body 223a and the connection protrusion 223b are integrally formed.
As shown in fig. 6, the locking device further includes an elastic member 60. The elastic member 60 is disposed between the connecting protrusion 223b and the first sliding sleeve 222, and when the lock block assembly is in a seamless state, the connecting protrusion 223b is disposed in contact with the first sliding sleeve 222. Thus, in the initial state of the locking device, a gap is provided between the first sliding sleeve 222 and the connection protrusion 223b by the elastic force of the elastic member 60, and at this time, the first locking piece 211 is above the second locking piece 212. After the second cylinder 12 is inflated, the first lock piece 211 and the second lock piece 212 move (rise) together in the radial direction of the first cylinder 11, and when the first sliding sleeve 222 is brought into stop engagement with the stop portion 41, the elastic member 60 is compressed by the stop portion 41 until the gap between the first sliding sleeve 222 and the connection boss 223b becomes zero, at which time the rise heights of the first lock piece 211 and the second lock piece 212 coincide. Then, under the action of the driving assembly 42, the first sliding sleeve and the second sliding sleeve jointly push the stop part 41 to move, so that the first locking piece 211 and the second locking piece 212 are expanded (lifted) together, the secondary expansion of the locking device is realized, and the effect of adjusting the locking diameter of the locking device is achieved.
Alternatively, the elastic member 60 is a spring, and the spring is sleeved on the bolt.
As shown in fig. 4 and 6, the stopper 41 has an L-shaped plate structure, and the stopper driving assembly 50 includes a piston 51, a switching plate 52, and a driving member 53. Wherein the piston 51 is located between the second sliding sleeve 223 and the second cylinder 12, and the piston 51 has a first accommodation groove. The adapter plate 52 is firmly connected to the piston 51 and the stop 41, and the adapter plate 52 has a second receiving groove. The driving member 53 moves in the first receiving groove and the second receiving groove, and when the second receiving groove is inflated, the driving member 53 moves toward the first receiving groove and applies a pushing force to the piston 51. In this way, driving force is applied to the driving member 53, so that the driving member 53 pushes the piston 51 to move, and then the piston 51 can drive the adapter plate 52 and the stop portion 41 connected with the piston 51 to move together, so that the stop portion 41 compresses the first sliding sleeve 222 and the second sliding sleeve 223 with each other, the first locking piece 211 and the second locking piece 212 are ensured to expand together, the first locking piece 211 and the second locking piece 212 are on the same cylindrical surface, and the purpose of adjustable locking diameter is achieved. The above structure of the stop portion 41 can avoid the first link 221 and the second link, prevent the internal structure of the locking device from structural interference, and improve the operation reliability of the locking device.
Specifically, when the second cylinder 12 is inflated, the driving member 53 moves toward the first receiving groove on the piston 51 by the gas, and applies an urging force to the piston 51 to effect movement of the piston 51 in a direction away from the first and second lock pieces.
The structure of the stopper 41 is not limited to this. Alternatively, the stop 41 may have a U-shaped or arcuate configuration.
In this embodiment, the locking device works as follows:
As shown in fig. 1 and 2, the initial state of the locking device is a contracted state, and the first locking piece 211 is located above the second locking piece 212. The locking device is inflated, as shown in fig. 3 and 4, the first locking piece 211 and the second locking piece 212 start to move outwards along the radial direction of the first cylinder 11, the first locking piece 211 drives the first sliding sleeve 222 to move along the axial direction of the first cylinder 11 through the first connecting rod 221, and the second locking piece 212 drives the second sliding sleeve 223 to move along the axial direction of the first cylinder 11 through the second connecting rod until the first sliding sleeve 222 is in stop fit with the stop part 41. As shown in fig. 5 and 6, the locking device is in a seamless state, no gap exists between the first locking piece 211 and the second locking piece 212, and the sleeving structure sleeved on the first locking piece and the second locking piece is unfolded. Then, as shown in fig. 7 and 8, the driving assembly drives the second sliding sleeve 223 to move, and the stop driving assembly 50 drives the stop 41 to move towards the direction of the transmission part 22, so that the driving directions of the two are opposite, the first sliding sleeve 222 and the second sliding sleeve 223 are tightly attached, the synchronous movement of the first locking piece 211 and the second locking piece 212 is ensured, so that the locking diameter of the locking device is increased, at the moment, a smaller gap is reserved between the first locking piece 211 and the second locking piece 212, on one hand, the sleeving structure (curtain fabric) and the bead ring are better locked, the problem of poor adaptability of the bead ring and the sleeving structure (curtain fabric) is solved, the locking pin rate is improved, and the tire processing quality is improved; on the other hand, the locking device can be suitable for locking the bead rings (large bead rings and small bead rings) with different diameters.
The application also provides a forming drum comprising the locking device. The forming drum further comprises a main shaft, a ball screw and a sidewall turn-up device. The ball screw is arranged on the left side and the right side of the main shaft, and the sidewall anti-packing device is arranged on the main shaft. Therefore, the locking device in the embodiment is adopted to enable the sleeving structure (curtain cloth) and the bead ring to be locked better, and the locking efficiency of the forming drum is improved. Meanwhile, the forming drum can be suitable for bead rings with different diameters, and the application range of the forming drum is enlarged.
Alternatively, the forming drum is a capsule drum or a mechanical drum.
The application also provides a secondary expansion method, which adopts the forming drum and comprises the following steps:
Step S1: sleeving the sleeving structure on the locking device of the forming drum;
step S2: inflating the locking device, wherein a locking block assembly of the locking device is in an expanded state, and a locking block 21 of the locking block assembly moves along the radial direction of a cylindrical main body 10 of the locking device so as to prop open the sleeved structure, and meanwhile, a transmission part 22 of the locking block assembly moves along the axial direction of the cylindrical main body 10;
Step S3: when the transmission part 22 stops with the adjusting component 40 of the locking device, the locking piece 21 stops moving, and the locking piece component is in a seamless state;
Step S4: the adjustment assembly 40 adjusts its own position and the position of the transmission member 22, and the lock block 21 continues to move in the radial direction of the cylindrical body 10, so that the lock block assembly is switched from the seamless state to the expanded state.
Specifically, in the tire manufacturing process, after the locking device is inflated, the locking piece 21 of the locking piece assembly moves along the radial direction of the cylindrical main body 10, so that the locking diameter of the locking device is increased, and the sleeve structure (curtain) sleeved outside the locking piece assembly is opened. At the same time, the transmission member 22 of the locking block assembly moves in the axial direction of the cylindrical body 10, and when the transmission member 22 is stopped and engaged with the adjustment assembly 40 located in the moving direction thereof, the locking block 21 stops moving, and the locking device is in a seamless state. After that, the adjusting component 40 adjusts the positions of itself and the transmission component 22, and the locking piece 21 can further move along the radial direction of the cylindrical main body 10, so that the locking piece component is switched from a seamless state to an expanded state, the locking diameter of the locking device is further increased, the sleeve structure (curtain) sleeved on the locking device is further spread, the locking diameter of the locking device is adjustable, the sleeve structure (curtain) sleeved on the locking piece 21 is matched with the bead ring more tightly, and the processing quality of the tire is further improved.
In the present embodiment, in step S3, the transmission member 22 is stopped by the stopper 41 of the adjustment assembly 40.
In this embodiment, in step S4, the driving component 42 of the adjusting component 40 drives the second sliding sleeve 223 of the second locking block component to move, the first sliding sleeve 222 connected with the second sliding sleeve 223 slides along the wall of the first cylinder 11 of the cylinder body 10 along with the second sliding sleeve 223, the second sliding sleeve 223 drives the second locking block 212 of the second locking block component to move through the second connecting rod of the second locking block component, and the first sliding sleeve 222 drives the first locking block 211 of the first locking block component to move through the first connecting rod 221 of the first locking block component, so that the sleeving structure is further opened.
In the present embodiment, the stopper driving assembly 50 of the locking device drives the stopper 41 to move toward the transmission member 22 while performing step S4, and the moving distance of the transmission member 22 is greater than the moving distance of the stopper 41 for a predetermined time. In this way, the above arrangement ensures that the first sliding sleeve 222 is in close engagement with the second sliding sleeve 223 and the stopper 41 moves forward so that the first lock piece 211 and the second lock piece 212 can continue to expand.
Example two
The second embodiment differs from the first embodiment in that the locking device for tire processing is: the structure of the adjustment assembly 40 is different.
As shown in fig. 9, the locking device for tire processing includes a cylindrical body 10, a lock block assembly, and an adjustment assembly 40. Wherein, the locking piece subassembly sets up on tubular body 10, and the locking piece subassembly includes locking piece 21 and the transmission part 22 of being connected with locking piece 21, and the locking piece subassembly has the expansion state and the seamless state of radial motion of locking piece 21 along tubular body 10, and after inflating locking device, the locking piece subassembly is in the expansion state to make the cover of establishing outside the locking piece subassembly establish the structure and be propped up, and the axial motion of transmission part 22 along tubular body 10. The adjusting component 40 is arranged on the tubular main body 10 and is positioned in the movement direction of the transmission part 22, when the adjusting component 40 stops the transmission part 22, the locking piece 21 stops moving, the locking piece component is in a seamless state, and the adjusting component 40 adjusts the position of the locking piece component so that the locking piece component is switched from the seamless state to the expansion state.
By applying the technical scheme of the embodiment, after the locking device is inflated in the tire manufacturing process, the locking piece 21 of the locking piece assembly moves along the radial direction of the cylindrical main body 10, so that the locking diameter of the locking device is increased, and the sleeve structure (curtain cloth) sleeved outside the locking piece assembly is unfolded. At the same time, the transmission member 22 of the lock block assembly moves in the axial direction of the cylindrical body 10, and the lock block 21 stops moving when the transmission member 22 is in stop engagement with the adjustment assembly 40 located in the moving direction thereof. After that, the adjusting component 40 adjusts its own position, and the locking piece 21 can continue to move along the radial direction of the tubular main body 10, so that the locking piece component is switched from a seamless state to an expanded state, the locking diameter of the locking device is further increased, the sleeving structure (curtain) sleeved on the locking device is further spread, the sleeving structure (curtain) sleeved on the locking piece 21 is matched with the bead ring more tightly, and the processing quality of the tire is further improved.
In this embodiment, the structures such as the stop part and the stop part driving assembly are removed, so that the structure of the locking device is simpler.
As shown in fig. 9, the adjusting assembly 40 is a fastening screw, and the stop position of the adjusting assembly 40 and the transmission member 22 is changed by adjusting the depth of the fastening screw extending into the cylindrical body 10. Specifically, when the transmission member 22 is engaged with the tightening screw stop, the locking device is in a seamless state. After that, the depth of the fastening screw extending into the cylindrical main body 10 is reduced, the fastening screw does not stop the transmission part 22 any more, and the locking piece 21 connected with the transmission part 22 can continue to move, so that the locking diameter of the locking device is further increased, and secondary expansion is realized, so that the sleeving structure (curtain fabric) is more matched with the bead ring, and the bead ring and the sleeving structure (curtain fabric) are better locked.
Specifically, through the different depths of stretching into of adjusting fastening screw, can realize locking device's multiple locking diameter for locking device can be applicable to the bead ring of different diameters.
The application also provides a secondary expansion method, which adopts the forming drum and comprises the following steps:
Step S1: sleeving the sleeving structure on the locking device of the forming drum;
step S2: inflating the locking device, wherein a locking block assembly of the locking device is in an expanded state, and a locking block 21 of the locking block assembly moves along the radial direction of a cylindrical main body 10 of the locking device so as to prop open the sleeved structure, and meanwhile, a transmission part 22 of the locking block assembly moves along the axial direction of the cylindrical main body 10;
Step S3: when the transmission part 22 stops with the adjusting component 40 of the locking device, the locking piece 21 stops moving, and the locking piece component is in a seamless state;
step S4: the adjustment assembly 40 adjusts its own position, and the lock block 21 continues to move in the radial direction of the cylindrical body 10, so that the lock block assembly is switched from the seamless state to the expanded state.
In the present embodiment, in step S4, the depth of the adjusting assembly 40 extending into the cylindrical body 10 is adjusted to change the stop position of the adjusting assembly 40 and the transmission member 22, so that the lock block 21 can continue to move along the radial direction of the cylindrical body 10.
From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:
In the tire manufacturing process, after the locking device is inflated, the locking piece of the locking piece assembly moves along the radial direction of the cylindrical main body, so that the locking diameter of the locking device is increased, and a sleeved structure (curtain cloth) sleeved outside the locking piece assembly is unfolded. At the same time, the transmission part of the locking block assembly moves along the axial direction of the cylindrical main body, and when the transmission part is matched with the adjusting assembly stop positioned in the movement direction of the transmission part, the locking block stops moving. After that, the adjusting component adjusts the position of the adjusting component and/or the transmission component, and the locking block can further move along the radial direction of the cylindrical main body, so that the locking block component is switched from a seamless state to an expansion state, the locking diameter of the locking device is further increased, and the sleeve structure (curtain cloth) sleeved on the locking device is further unfolded.
Compared with the locking block of the locking device in the prior art, the locking device disclosed by the application has the advantages that the locking device can be expanded for the second time, so that the locking diameter of the locking device can be adjusted, the matching between a sleeved structure (curtain cloth) sleeved on the locking block and the bead ring is tighter and matched, and the processing quality of a tire is further improved.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (17)
1. A locking device for tyre processing, comprising:
a tubular main body (10);
The locking block assembly is arranged on the cylindrical main body (10) and comprises a locking block (21) and a transmission part (22) connected with the locking block (21), the locking block assembly has an expansion state and a seamless state of the locking block (21) along the radial movement of the cylindrical main body (10), and after the locking device is inflated, the locking block assembly is in the expansion state, so that a sleeved structure sleeved outside the locking block assembly is propped up, and the transmission part (22) moves along the axial direction of the cylindrical main body (10);
An adjustment assembly (40) arranged on the cylindrical main body (10) and located in the movement direction of the transmission component (22), when the adjustment assembly (40) stops the transmission component (22), the lock block (21) stops moving, the lock block assembly is in the seamless state, and the adjustment assembly (40) adjusts the position of the adjustment assembly and/or the transmission component (22) so that the lock block assembly is switched from the seamless state to the expansion state;
The adjustment assembly (40) comprises:
A stop (41), the lock block assembly being in the seamless state when the transmission member (22) is in stop engagement with the stop (41);
And the driving assembly (42) drives the stop part (41) and/or the transmission part (22) to move when the locking block assembly is in the seamless state.
2. The locking device according to claim 1, characterized in that the tubular body (10) comprises:
A first cylinder (11);
the second barrel (12) is sleeved outside the first barrel (11), the first barrel (11) and the second barrel (12) are coaxially arranged, an accommodating space is formed between the first barrel (11) and the second barrel (12), and the adjusting component (40) and part of the locking block component are located in the accommodating space.
3. A locking device according to claim 2, wherein when the lock block assembly is in the seamless state, the drive assembly (42) drives the transmission member (22) to move towards the lock block (21), and the transmission member (22) pushes the stopper (41) to move together, the locking device further comprising:
And the stop part driving assembly (50) is positioned between the driving assembly (42) and the stop part (41), when the driving assembly (42) drives the transmission part (22) to move towards the locking piece (21), the stop part driving assembly (50) drives the stop part (41) to move towards the transmission part (22), and the moving distance of the stop part (41) under the pushing of the transmission part (22) is larger than the moving distance of the stop part (41) under the driving of the stop part driving assembly (50) within a preset time.
4. A locking device according to claim 3, characterized in that the stop drive assembly (50) is in a secure connection with the stop (41) to move the stop (41) with the stop drive assembly (50).
5. A locking device according to claim 3, characterized in that the transmission member (22) comprises:
one end of the connecting rod is connected with the locking block (21);
the sliding sleeve is sleeved outside the first cylinder body (11) and can slide along the cylinder wall of the first cylinder body (11), the other end of the connecting rod is connected with the sliding sleeve, and the driving assembly (42) drives the sliding sleeve to move so as to enable the locking block (21) connected with the sliding sleeve to move.
6. The locking device of claim 5, wherein the lock block assemblies are two groups, and the two groups of lock block assemblies are respectively:
The first locking block assembly comprises a plurality of first locking blocks (211) and a plurality of first transmission parts, the plurality of first locking blocks (211) and the plurality of first transmission parts are correspondingly arranged, and each first transmission part comprises a first connecting rod (221) and a first sliding sleeve (222);
The second locking piece assembly comprises a plurality of second locking pieces (212) and a plurality of second transmission parts, the second locking pieces (212) are correspondingly arranged with the second transmission parts, each second transmission part comprises a second connecting rod and a second sliding sleeve (223), and the driving assembly (42) drives the second sliding sleeve (223) to move so that the second sliding sleeve (223) and a first sliding sleeve (222) connected with the second sliding sleeve (223) slide along the wall of the first cylinder body (11).
7. The locking device according to claim 6, characterized in that the second locking piece (212) is located below the first locking piece (211), that when the locking piece assembly is in the seamless state, there is no gap between the first locking piece (211) and the second locking piece (212), and that all the first locking piece (211) and all the second locking piece (212) are on the same circle.
8. The locking device according to claim 6, characterized in that the second sliding sleeve (223) comprises:
A sliding sleeve body (223 a) sleeved outside the first cylinder (11);
The connecting protrusion (223 b) is arranged on the outer surface of the sliding sleeve body (223 a), the first sliding sleeve (222) is sleeved outside the sliding sleeve body (223 a), a bolt penetrates through the connecting protrusion (223 b) and the first sliding sleeve (222) to connect the first sliding sleeve (222) and the second sliding sleeve (223) together, the driving assembly (42) is connected with the sliding sleeve body (223 a) through a fastener (70), and the sliding sleeve body (223 a) moves together with the driving assembly (42).
9. The locking device of claim 8, wherein the locking device further comprises:
the elastic piece (60) is arranged between the connecting protrusion (223 b) and the first sliding sleeve (222), and when the locking block assembly is in the seamless state, the connecting protrusion (223 b) is attached to the first sliding sleeve (222).
10. The locking device according to claim 6, wherein the stopper (41) is of L-shaped plate-like structure, and the stopper driving assembly (50) comprises:
-a piston (51) located between the second sliding sleeve (223) and the second cylinder (12), the piston (51) having a first housing groove:
a switching disc (52) which is fixedly connected with the piston (51) and the stop part (41), wherein the switching disc (52) is provided with a second accommodating groove;
And a driving member (53) moving in the first accommodation groove and the second accommodation groove, the driving member (53) moving toward the first accommodation groove and applying a pushing force to the piston (51) when the second accommodation groove is inflated.
11. Locking device according to claim 1, characterized in that the adjustment assembly (40) is a tightening screw, the stop position of the adjustment assembly (40) with the transmission member (22) being varied by adjusting the depth to which the tightening screw protrudes into the tubular body (10).
12. A building drum, characterized by comprising a locking device according to any one of claims 1-11.
13. A secondary expansion method, characterized in that a forming drum according to claim 12 is used, comprising:
step S1: sleeving the sleeving structure on the locking device of the forming drum;
step S2: inflating the locking device, wherein a locking block assembly of the locking device is in an expanded state, a locking block (21) of the locking block assembly moves along the radial direction of a cylindrical main body (10) of the locking device so as to prop open the sleeved structure, and meanwhile, a transmission part (22) of the locking block assembly moves along the axial direction of the cylindrical main body (10);
Step S3: when the transmission part (22) is stopped with an adjusting component (40) of the locking device, the locking block (21) stops moving, and the locking block component is in a seamless state;
Step S4: the adjustment assembly (40) adjusts the position of itself and/or the transmission member (22), and the lock block (21) continues to move in the radial direction of the cylindrical body (10) so that the lock block assembly is switched from the seamless state to the expanded state.
14. A secondary expansion method according to claim 13, wherein in said step S3, said transmission member (22) is in stop engagement with a stop (41) of said adjustment assembly (40).
15. The secondary expansion method according to claim 14, wherein in the step S4, the driving component (42) of the adjusting component (40) drives the second sliding sleeve (223) of the second locking block component to move, and the first sliding sleeve (222) connected with the second sliding sleeve (223) slides along the cylinder wall of the first cylinder (11) of the cylindrical main body (10) along with the second sliding sleeve (223), and the second sliding sleeve (223) drives the second locking block (212) of the second locking block component to move through the second connecting rod of the second locking block component, and the first sliding sleeve (222) drives the first locking block (211) of the first locking block component to move through the first connecting rod (221) of the first locking block component, so that the sleeved structure is further opened.
16. The secondary expansion method according to claim 15, wherein the stopper driving assembly (50) of the locking device drives the stopper (41) to move toward the transmission member (22) while the step S4 is performed, and the transmission member (22) moves a distance greater than the movement distance of the stopper (41) for a predetermined time.
17. A secondary expansion method according to claim 13, wherein in step S4 the depth of the adjustment assembly (40) extending into the tubular body (10) is adjusted to change the stop position of the adjustment assembly (40) with the transmission member (22) to enable the lock block (21) to continue to move in the radial direction of the tubular body (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810247180.1A CN108527904B (en) | 2018-03-23 | 2018-03-23 | Locking device for tyre processing, forming drum and secondary expansion method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810247180.1A CN108527904B (en) | 2018-03-23 | 2018-03-23 | Locking device for tyre processing, forming drum and secondary expansion method |
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| Publication Number | Publication Date |
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| CN108527904A CN108527904A (en) | 2018-09-14 |
| CN108527904B true CN108527904B (en) | 2024-05-03 |
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| CN201810247180.1A Active CN108527904B (en) | 2018-03-23 | 2018-03-23 | Locking device for tyre processing, forming drum and secondary expansion method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114683601B (en) * | 2020-12-31 | 2025-06-24 | 软控股份有限公司 | Tire production method and device |
| CN114683599B (en) * | 2020-12-31 | 2025-07-04 | 软控股份有限公司 | Method and device for adjusting specifications of forming drum |
| CN113400700B (en) * | 2021-06-17 | 2022-06-24 | 特拓(青岛)轮胎技术有限公司 | Secondary-expansion RFT tire forming drum and RFT tire blank forming method |
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|---|---|---|---|---|
| US5405484A (en) * | 1994-03-22 | 1995-04-11 | Bridgestone/Firestone, Inc. | Tire building drum |
| CN2640742Y (en) * | 2003-07-07 | 2004-09-15 | 万果照 | Second radial expending make-up drum |
| CN1953866A (en) * | 2004-04-08 | 2007-04-25 | Vmi荷兰埃珀公司 | Tyre belt drum |
| CN101987513A (en) * | 2009-08-04 | 2011-03-23 | 软控股份有限公司 | Mechanical assembly drum and seamless locking method thereof |
| CN208180301U (en) * | 2018-03-23 | 2018-12-04 | 软控股份有限公司 | Locking device and assembly drum for tyre production |
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2018
- 2018-03-23 CN CN201810247180.1A patent/CN108527904B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5405484A (en) * | 1994-03-22 | 1995-04-11 | Bridgestone/Firestone, Inc. | Tire building drum |
| CN2640742Y (en) * | 2003-07-07 | 2004-09-15 | 万果照 | Second radial expending make-up drum |
| CN1953866A (en) * | 2004-04-08 | 2007-04-25 | Vmi荷兰埃珀公司 | Tyre belt drum |
| CN101987513A (en) * | 2009-08-04 | 2011-03-23 | 软控股份有限公司 | Mechanical assembly drum and seamless locking method thereof |
| CN208180301U (en) * | 2018-03-23 | 2018-12-04 | 软控股份有限公司 | Locking device and assembly drum for tyre production |
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| CN108527904A (en) | 2018-09-14 |
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