CN114274564A - Mechanical turn-up drum with large-diameter fit - Google Patents
Mechanical turn-up drum with large-diameter fit Download PDFInfo
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- CN114274564A CN114274564A CN202111631856.5A CN202111631856A CN114274564A CN 114274564 A CN114274564 A CN 114274564A CN 202111631856 A CN202111631856 A CN 202111631856A CN 114274564 A CN114274564 A CN 114274564A
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- 238000010030 laminating Methods 0.000 claims abstract description 9
- 230000007704 transition Effects 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 7
- 210000001503 joint Anatomy 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims 4
- 239000000463 material Substances 0.000 abstract description 35
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000004513 sizing Methods 0.000 abstract description 8
- 238000012797 qualification Methods 0.000 abstract description 3
- 239000011324 bead Substances 0.000 description 23
- 238000004026 adhesive bonding Methods 0.000 description 7
- 238000000465 moulding Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000007480 spreading Effects 0.000 description 4
- 238000003892 spreading Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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Abstract
The invention discloses a large-diameter laminated mechanical turn-up drum which comprises a main shaft, two groups of side strand structure groups and a supporting assembly, wherein the two groups of side strand structure groups are oppositely sleeved on the main shaft at intervals, each group of side strand structure group comprises a shaft sleeve and a side strand structure, the shaft sleeve can be sleeved on the main shaft in a sliding manner, the number of the side strand structures is multiple, the side strand structures are uniformly arranged on the shaft sleeve at intervals in the circumferential direction, and the side strand structures can expand or contract along the radial direction of the shaft sleeve; the supporting component is arranged along the axial direction of the main shaft and connected between the outer edges of the two opposite side strand structures, and the length of the supporting component is adjustable. This mechanical turn-up building drum of major diameter laminating, at the in-process of sizing material laminating, its diameter can become to avoid laminating sizing material to lead to the sizing material to cross thin and the uneven scheduling problem of tire sizing material takes place because open the extension, and then improves the quality qualification rate of tire manufacturing process.
Description
Technical Field
The invention belongs to the technical field of rubber tire molding production, and particularly relates to a large-diameter laminated mechanical turn-up molding drum.
Background
With the increasing of automobile sales, the tire manufacturing industry is also increasing in speed, the demand on tires is more and more, and the quality requirement on tires is also improved.
In the step of installing the tire bead in the existing tire molding process, the transfer ring carrying the tire bead sleeves the tire bead at a specified position on the tire molding drum, and the tire bead supporting unit of the tire molding drum needs to fix the tire bead in the circumferential direction, so that the turn-up unit of the tire molding drum further wraps the tire bead in the tire body material, and meanwhile, the molding drum needs to be bonded with the rubber material.
However, after the rubber material is attached by using the conventional tire building drum, the attached rubber material is stretched when steel wires are locked, so that the rubber material is too thin or uneven, and finally the quality of the tire is reduced.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the technical problem of providing a large-diameter fitting mechanical turn-up forming drum, wherein the diameter of the drum can be changed in the process of fitting rubber materials, so that the problems of over-thin rubber materials, non-uniform rubber materials of tires and the like caused by opening and stretching of the fitting rubber materials are avoided, and the quality qualified rate of the tire manufacturing process is improved.
In order to achieve the purpose, the invention is realized by the following technical scheme: a large diameter conformable mechanical turn-up drum comprising:
a main shaft;
the side strand structure group comprises two groups, the two groups of side strand structure groups are oppositely sleeved on the main shaft at intervals, each group of side strand structure group comprises a shaft sleeve and a side strand structure, the shaft sleeve is sleeved on the main shaft in a sliding manner, the number of the side strand structures is multiple, the plurality of side strand structures are circumferentially and uniformly arranged on the shaft sleeve at intervals, and the side strand structures can expand or contract along the radial direction of the shaft sleeve; and
the supporting component is arranged along the axial direction of the main shaft and connected between the outer edges of the two opposite side strand structures, and the length of the supporting component is adjustable.
Furthermore, the main shaft is a hollow shaft, and vent holes communicated with the inner cavity of the main shaft are arranged on the side wall of the main shaft at intervals; the side wall of the shaft sleeve is provided with an air channel which can be communicated with the vent hole, an air cavity is arranged in the side strand structure and is communicated with the air channel, when air is injected into the main shaft, the air can enter the air cavity and enable the side strand structure to expand along the radial direction of the main shaft, and after the air is released, the side strand structure can be restored.
Furthermore, the side strand structure comprises a guide disc, a supporting block, a push disc, a cylinder block and a reset mechanism;
the guide disc and the cylinder block are arranged on the outer wall of the shaft sleeve at intervals along the axial direction of the shaft sleeve and are fixedly connected with the shaft sleeve, and the opposite surfaces of the guide disc and the cylinder block are respectively a first guide surface and a second guide surface which are vertical to the axis of the shaft sleeve;
the second guide surface is provided with a sunken groove, the push disc is arranged between the guide disc and the cylinder block, the rear end of the push disc is inserted into the groove, the push disc, the inner wall of the groove and the outer wall of the shaft sleeve enclose a closed air cavity, the air cavity is communicated with the air channel, when air is injected into the air cavity, the air can push the push disc to slide close to the guide disc along the shaft sleeve, and one side of the push disc close to the first guide surface is obliquely provided with a first wedge-shaped surface;
the supporting block is positioned between the push disc and the guide disc, the supporting block comprises a first sliding surface parallel to the first guide surface, a second sliding surface opposite to the first sliding surface and a third sliding surface parallel to the first wedge-shaped surface, the first sliding surface is in sliding butt joint with the first guide surface, the second sliding surface is in sliding butt joint with the second guide surface, the third sliding surface is in sliding butt joint with the first wedge-shaped surface, and the end part of the supporting component is fixed on the outer edge of the supporting block;
the resetting mechanism comprises a telescopic cylinder, the telescopic cylinder is arranged on the guide disc, and a telescopic shaft of the telescopic cylinder can slidably penetrate through the guide disc and is connected with the push disc.
Further, the side strand structure further comprises a locking assembly, and the locking assembly comprises a locking block and a first elastic ring; the locking piece is located the second spigot surface with between the second glide plane, just the leading flank of locking piece with second glide plane slip butt, the trailing flank of locking piece with second spigot surface slip butt, push away the dish still include with first wedge parallel arrangement's second wedge, the locking piece is close to the side of main shaft is third wedge, just third wedge with the second wedge slides and offsets, first elastic ring snare establish all the outer edge of locking piece is in order to hold tightly all that sets up circumference the locking piece.
Further, the locking assembly further comprises a baffle, a mounting groove is formed in the outer edge of the locking block, the first elastic ring is arranged in the mounting groove, and the baffle is arranged in the mounting groove and seals the first elastic ring in the mounting groove.
Further, the locking assembly further comprises a transition plate, the transition plate is arranged on the front side face of the locking block, and the transition plate is in sliding and abutting contact with the second sliding face.
Further, the side thigh structure still includes the limiting plate, limiting plate one end is fixed the deflector is kept away from the top of axle sleeve, the supporting shoe towards the edge of one side of deflector is provided with dodges the breach, the other one end of limiting plate one end extends to in dodging the breach, and works as when the supporting shoe outwards slides to the outermost end, the limiting plate with dodge the breach lateral wall and offset.
Furthermore, the side strand structure further comprises a second elastic ring, and the second elastic ring is sleeved on the outer edges of all the supporting blocks arranged in the circumferential direction so as to hold all the supporting blocks tightly.
Furthermore, the supporting component comprises two supporting plates, the two supporting plates are arranged at the outer edges of the two supporting blocks in central symmetry, and the two supporting plates are mutually overlapped and supported.
Further, the support assembly further comprises backing plates, and the backing plates are paved and can be fixed on the surfaces of the two support plates.
The invention has the beneficial effects that:
the large-diameter laminated mechanical turn-up drum comprises a main shaft, two side strand structure groups and a supporting assembly, wherein the two side strand structure groups are oppositely sleeved on the main shaft at intervals, each side strand structure group comprises a shaft sleeve and a side strand structure, the shaft sleeve is sleeved on the main shaft in a sliding manner, the number of the side strand structures is multiple, the plurality of side strand structures are circumferentially and uniformly arranged on the shaft sleeve at intervals, and the side strand structures can expand or contract along the radial direction of the shaft sleeve; the supporting component is arranged along the axial direction of the main shaft and connected between the outer edges of the two opposite side strand structures, and the length of the supporting component is adjustable.
During the use, when the sizing material is laminated, the distance between two sets of side strand structure groups is adjusted according to the width that needs earlier, afterwards, overlaps the tire bead cover outside the supporting component, and all side strand structures of drive expand outward, and the inner wall and the tire bead that support to the tire bead of supporting component struts, both can carry out the sizing material laminating, and after the laminating is accomplished, the drive side strand structure contracts, then can take off the tire bead.
The method is adopted for gluing the rubber material, and in the gluing process of the rubber material, the tire bead is in a spread state, so that the size of the rubber material is larger than the design size, the problems that the rubber material is too thin due to stretching and stretching, the rubber material of the tire is uneven and the like are solved, and the quality qualified rate of the tire manufacturing process is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
FIG. 1 is a schematic view of a large-diameter conformable mechanical turn-up drum according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of one of the side strand structures in a large diameter conformable mechanical turn-up drum of FIG. 1;
FIG. 3 is a top view of a large diameter conformable mechanical turn-up drum of FIG. 1;
FIG. 4 is a schematic view of the overlapping of two support plates in a large diameter conformable mechanical turn-up drum of FIG. 1;
reference numerals:
100. a main shaft; 110. a vent hole;
200. a set of side strand structures; 210. a shaft sleeve; 211. an air duct; 220. a side strand structure; 221. a guide plate; 2211. a first guide surface; 222. a support block; 2221. a third sliding surface; 223. pushing the disc; 2231. a first wedge-shaped face; 2232. a second wedge-shaped face; 224. a cylinder block; 2241. a second guide surface; 225. a reset mechanism; 226. an air cavity; 227. a capture assembly; 2271. a locking block; 2272. a first elastic ring; 2273. a baffle plate; 2274. a transition plate; 228. a limiting plate; 229. a second elastic ring;
300. a support assembly; 310. and a support plate.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Referring to fig. 1 to 4, the present invention provides a large-diameter fitting mechanical turn-up drum, which comprises a main shaft 100, a side strand structure group 200 and a support assembly 300, and is used for rubber fitting in an upper bead step in a tire production process.
Specifically, there are two sets of the side strand structure sets 200, and the two sets of the side strand structure sets 200 are oppositely and alternately sleeved on the main shaft 100. Each group of side strand structure group 200 comprises a shaft sleeve 210 and a side strand structure 220, the shaft sleeve 210 can be slidably sleeved on the main shaft 100, the side strand structures 220 are multiple, the plurality of side strand structures 220 are circumferentially and uniformly arranged on the shaft sleeve 210 at intervals, and the side strand structures 220 can radially expand or contract along the shaft sleeve 210. The support assembly 300 is disposed along the axial direction of the main shaft 100 and connected between the outer edges of the two opposite side strand structures 220, and the length of the support assembly 300 is adjustable.
When the rubber compound is attached, the distance between the two sets of side strand structure groups 200 is adjusted according to the required width, then the tire bead is sleeved outside the support assembly 300, all the side strand structures 220 are driven to expand outwards until the support assembly 300 supports the inner wall of the tire bead and supports the tire bead, the rubber compound can be attached, and after the attachment is completed, the side strand structures 220 are driven to contract, so that the tire bead can be taken down.
The method is adopted for gluing the rubber material, and in the gluing process of the rubber material, the tire bead is in a spreading state, so that the size of the final rubber material is larger than the design size, the problems that the rubber material is too thin due to spreading and stretching of the rubber material, the rubber material of the tire is not uniform and the like are solved, and the quality qualification rate of the tire manufacturing process is improved.
In this embodiment, the main shaft 100 is a hollow shaft, and the side wall of the main shaft 100 is provided with vent holes 110 at intervals, which are communicated with the inner cavity of the main shaft. The side wall of the shaft sleeve 210 is provided with an air channel 211 which can be communicated with the vent hole 110, an air cavity 226 is arranged in the side strand structure 220, the air cavity 226 is communicated with the air channel 211, when air is injected into the main shaft 100, air can enter the air cavity 226 and enable the side strand structure 220 to expand along the radial direction of the main shaft 100, and after the air is released, the side strand structure 220 can be restored. When the pneumatic side strand structure group is used, air is introduced into the main shaft 100 and sequentially enters the air cavity 226 through the vent holes 110 and the air channels 211, so that the side strand structure 220 is driven to expand outwards, and after the air is released, the side strand structure 220 can be restored, the purpose that the diameter of the side strand structure group 200 can be changed is achieved, and the purpose of gluing the rubber materials in a large-diameter state is achieved.
Specifically, the side strand structure 220 includes a guide disc 221, a support block 222, a push disc 223, a cylinder block 224, and a return mechanism 225. The guide disc 221 and the cylinder block 224 are arranged on the outer wall of the shaft sleeve 210 at intervals along the axial direction of the shaft sleeve 210 and are fixedly connected with the shaft sleeve 210, and the guide disc 221 and the cylinder block 224 face to the first guide surface 2211 and the second guide surface 2241 which are perpendicular to the axis of the shaft sleeve 210 respectively.
The second guide surface 2241 is provided with a recessed groove, the push disc 223 is arranged between the guide disc 221 and the cylinder block 224, the rear end of the push disc 223 is inserted into the groove, a closed air cavity 226 is enclosed by the push disc 223, the inner wall of the groove and the outer wall of the shaft sleeve 210, and the air cavity 226 is communicated with the air duct 211. When gas is injected into the gas cavity 226, the gas can push the push disc 223 to slide along the sleeve 210 to be close to the guide disc 221, and a first wedge surface 2231 is obliquely arranged on one side of the push disc 223 close to the first guide surface 2211.
The supporting block 222 is located between the pushing disc 223 and the guiding disc 221, the supporting block 222 includes a first sliding surface parallel to the first guiding surface 2211, a second sliding surface opposite to the first sliding surface, and a third sliding surface 2221 parallel to the first wedge-shaped surface 2231, the first sliding surface is in sliding contact with the first guiding surface 2211, the second sliding surface is in sliding contact with the second guiding surface 2241, the third sliding surface 2221 is in sliding contact with the first wedge-shaped surface 2231, and the end of the supporting assembly 300 is fixed to the outer edge of the supporting block 222.
The reset mechanism 225 comprises a telescopic cylinder, the telescopic cylinder is arranged on the guide disc 221, and a telescopic shaft of the telescopic cylinder can slidably penetrate through the guide disc 221 and is connected with the push disc 223.
After the gas enters the gas cavity 226, the gas pushes the push disc 223 to move along the shaft sleeve 210 to the direction of the guide disc 221 as the gas in the gas cavity 226 increases, and the support block 222 is pushed to slide outwards along the first guide surface 2211 of the guide disc 221 by the first wedge surface 2231 while the guide disc 221 moves, so that the diameter of the whole side strand structure 220 becomes larger.
After the gluing operation is finished, the telescopic cylinder is started, and pushes the push disc 223 to approach to the direction of the cylinder block 224 until the push disc 223 recovers.
Preferably, the present side strand structure 220 further includes a capture assembly 227. The locking assembly 227 is used for locking the pushing disc 223 and also plays a role in assisting the resetting of the pushing disc 223. Specifically, the capture assembly 227 includes a lock block 2271 and a first resilient ring 2272. The lock block 2271 is located between the second guide surface 2241 and the second sliding surface, the front side surface of the lock block 2271 is in sliding abutment with the second sliding surface, the rear side surface of the lock block 2271 is in sliding abutment with the second guide surface 2241, the push disc 223 further comprises a second wedge surface 2232 arranged in parallel with the first wedge surface 2231, the side surface of the lock block 2271 close to the main shaft 100 is a third wedge surface, the third wedge surface is in sliding abutment with the second wedge surface 2232, and the first elastic ring 2272 is sleeved on the outer edge of all the lock blocks 2271 so as to tightly hold all the lock blocks 2271 arranged in the circumferential direction.
When the gas-releasing type gas-releasing device is not used, the locking block 2271 is pressed on the push disc 223 under the action of the first elastic ring 2272 so as to lock the locking block 2271 and prevent the push disc 223 from moving around, when the push disc 223 slides towards the direction of the guide disc 221, the locking block 2271 is pushed to slide outwards, the first elastic ring 2272 is spread, after the gas is released, under the action of the contraction restoring force of the first elastic ring 2272, the locking block 2271 is pushed towards the central shaft direction of the shaft sleeve 210 by the first elastic ring 2272, and the push disc 223 is pushed to approach towards the direction of the cylinder block 224 through the third wedge-shaped surface until the cylinder block 224 is restored.
In a preferred embodiment, the capture assembly 227 further includes a baffle 2273. The mounting groove has been seted up to locking piece 2271's outer fringe, and first elasticity circle 2272 sets up in the mounting groove, and baffle 2273 sets up in the mounting groove to enclose first elasticity circle 2272 in the mounting groove. The baffle 2273 prevents the first resilient ring 2272 from disengaging the slider. In addition, the capture assembly 227 further includes a transition plate 2274, the transition plate 2274 is disposed on the front side surface of the lock block 2271, and the transition plate 2274 is slidably abutted against the second sliding surface. In practice, the transition plate 2274 is used for transition between the supporting block 222 and the locking block 2271, so as to avoid contact between the supporting block 222 and the locking block 2271, and when the transition plate 2274 is worn, the transition plate 2274 is directly replaced, thereby reducing the material cost.
In this embodiment, the side strand structure 220 further includes a limit plate 228. The limit plate 228 is used to limit the maximum stroke of the support block 222. Specifically, one end of the limit plate 228 is fixed at the top end of the guide disc 221 far from the shaft sleeve 210, an avoiding notch is formed in the edge of one side, facing the guide disc 221, of the support block 222, the other end of one end of the limit plate 228 extends into the avoiding notch, and when the support block 222 slides outwards to the outermost end, the limit plate 228 abuts against the side wall of the avoiding notch. The support block 222 is prevented from directly slipping out by the blocking of the stopper plate 228.
In a preferred embodiment, the side strand structure 220 further comprises a second elastic loop 229, and the second elastic loop 229 further functions to assist in recovery. Specifically, the second elastic ring 229 is sleeved on the outer edges of all the support blocks 222 arranged in the circumferential direction, so as to hold all the support blocks 222 tightly. When the support block 222 is not expanded, the support block 222 is pressed against the push disc 223 by the second elastic ring 229 to lock the support block 222 to prevent the support block 222 from being disturbed, when the push disc 223 slides towards the guide disc 221, the support block 222 is pushed to slide outwards, the second elastic ring 229 is expanded, and after the gas is released, the support block 222 slides towards the central axis direction of the shaft sleeve 210 under the action of the contraction restoring force of the second elastic ring 229 until the support block 222 is restored.
In the present embodiment, the supporting assembly 300 includes two supporting plates 310, the two supporting plates 310 are disposed at the outer edges of the two supporting blocks 222 in a central symmetry, and the two supporting plates 310 are overlapped and supported with each other. By adopting the mutual lapping mode of the two supporting plates 310, the flat width of the two sets of side strand structure sets 200 can be adjusted on the green tires with different specifications as required, so that the flexibility of the whole forming drum is improved.
In addition, in the present embodiment, the support assembly 300 further includes a backing plate, and the backing plate is laid and can be fixed on the surfaces of the two support plates 310. Through the backing plate, can shelter from the overlap seal of two backup pads 310, when concrete implementation, modes such as accessible screw, joint are fixed the backing plate on backup pad 310.
The mechanical turn-up forming drum with the large-diameter fit comprises:
when in use, the shaft sleeves 210 are slid according to different specifications of tire beads, the distance between the two side strand structure groups 200 is adjusted, and the air passages and the air holes are ensured to be in a communicated state while the shaft sleeves 210 are adjusted; subsequently, after the cushion plate is fixed on the support plate 310, the tire bead is sleeved outside the support assembly 300; next, gas is introduced into the spindle 100 and into the gas cavity 226
All backup pads 310 of drive are outside inflation, support the inner wall to the tire bead and strut the position that needs with the tire bead after until supporting component 300, can carry out the sizing material laminating, and after the laminating is accomplished, start telescopic cylinder, under telescopic cylinder, first elastic ring 2272, second elastic ring 229 combined action, the drive backup pad 310 adduction is recovered, then can take off the tire bead, accomplishes whole sizing material laminating work.
By adopting the device, in the process of gluing the rubber material, the tire bead is in a spreading state, so that the size of the rubber material is larger than the design size, the problems of too thin rubber material, non-uniform rubber material of the tire and the like caused by spreading and stretching of the subsequent rubber material are avoided, and the quality qualification rate of the tire manufacturing process is improved.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. The utility model provides a mechanical turn-up building drum of major diameter laminating which characterized in that includes:
a main shaft;
the side strand structure group comprises two groups, the two groups of side strand structure groups are oppositely sleeved on the main shaft at intervals, each group of side strand structure group comprises a shaft sleeve and a side strand structure, the shaft sleeve is sleeved on the main shaft in a sliding manner, the number of the side strand structures is multiple, the plurality of side strand structures are circumferentially and uniformly arranged on the shaft sleeve at intervals, and the side strand structures can expand or contract along the radial direction of the shaft sleeve; and
the supporting component is arranged along the axial direction of the main shaft and connected between the outer edges of the two opposite side strand structures, and the length of the supporting component is adjustable.
2. The large-diameter fit mechanical turn-up drum according to claim 1, wherein the main shaft is a hollow shaft, and vent holes communicated with an inner cavity of the main shaft are arranged on the side wall of the main shaft at intervals; the side wall of the shaft sleeve is provided with an air channel which can be communicated with the vent hole, an air cavity is arranged in the side strand structure and is communicated with the air channel, when air is injected into the main shaft, the air can enter the air cavity and enable the side strand structure to expand along the radial direction of the main shaft, and after the air is released, the side strand structure can be restored.
3. The large-diameter fit mechanical turn-up drum according to claim 2, wherein the side strand structure comprises a guide disc, a support block, a push disc, a cylinder block and a reset mechanism;
the guide disc and the cylinder block are arranged on the outer wall of the shaft sleeve at intervals along the axial direction of the shaft sleeve and are fixedly connected with the shaft sleeve, and the opposite surfaces of the guide disc and the cylinder block are respectively a first guide surface and a second guide surface which are vertical to the axis of the shaft sleeve;
the second guide surface is provided with a sunken groove, the push disc is arranged between the guide disc and the cylinder block, the rear end of the push disc is inserted into the groove, the push disc, the inner wall of the groove and the outer wall of the shaft sleeve enclose a closed air cavity, the air cavity is communicated with the air channel, when air is injected into the air cavity, the air can push the push disc to slide close to the guide disc along the shaft sleeve, and one side of the push disc close to the first guide surface is obliquely provided with a first wedge-shaped surface;
the supporting block is positioned between the push disc and the guide disc, the supporting block comprises a first sliding surface parallel to the first guide surface, a second sliding surface opposite to the first sliding surface and a third sliding surface parallel to the first wedge-shaped surface, the first sliding surface is in sliding butt joint with the first guide surface, the second sliding surface is in sliding butt joint with the second guide surface, the third sliding surface is in sliding butt joint with the first wedge-shaped surface, and the end part of the supporting component is fixed on the outer edge of the supporting block;
the resetting mechanism comprises a telescopic cylinder, the telescopic cylinder is arranged on the guide disc, and a telescopic shaft of the telescopic cylinder can slidably penetrate through the guide disc and is connected with the push disc.
4. The large-diameter conformable mechanical turn-up drum of claim 3, wherein the side strand structure further comprises a capture assembly comprising a lock block and a first resilient ring; the locking piece is located the second spigot surface with between the second glide plane, just the leading flank of locking piece with second glide plane slip butt, the trailing flank of locking piece with second spigot surface slip butt, push away the dish still include with first wedge parallel arrangement's second wedge, the locking piece is close to the side of main shaft is third wedge, just third wedge with the second wedge slides and offsets, first elastic ring snare establish all the outer edge of locking piece is in order to hold tightly all that sets up circumference the locking piece.
5. The large-diameter fit mechanical turn-up drum according to claim 4, wherein the locking assembly further comprises a baffle, an installation groove is formed in the outer edge of the locking block, the first elastic ring is arranged in the installation groove, and the baffle is arranged in the installation groove and seals the first elastic ring in the installation groove.
6. The large-diameter conformable mechanical turn-up drum of claim 4, wherein the capture assembly further comprises a transition plate disposed on the leading side of the lock block, the transition plate slidingly abutting the second sliding surface.
7. The large-diameter laminated mechanical turn-up drum according to claim 3, wherein the side strand structure further comprises a limiting plate, one end of the limiting plate is fixed to the top end of the guide disc far away from the shaft sleeve, an avoiding notch is formed in the edge of one side of the supporting block facing the guide disc, the other end of one end of the limiting plate extends into the avoiding notch, and when the supporting block slides outwards to the outermost end, the limiting plate abuts against the side wall of the avoiding notch.
8. The large-diameter fit mechanical turn-up drum according to claim 3, wherein the side strand structure further comprises a second elastic ring, and the second elastic ring is sleeved on the outer edges of all the support blocks arranged circumferentially so as to hold all the support blocks tightly.
9. The large-diameter fit mechanical turn-up drum according to claim 6, wherein the support assembly comprises two support plates, the two support plates are arranged at the outer edges of the two support blocks in a central symmetry manner, and the two support plates are in lap joint with each other for supporting.
10. The large diameter conformable mechanical turn-up drum of claim 6, wherein said support assembly further comprises a backing plate, and said backing plate is laid and securable on the surface of both said support plates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111631856.5A CN114274564A (en) | 2021-12-29 | 2021-12-29 | Mechanical turn-up drum with large-diameter fit |
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| CN202111631856.5A CN114274564A (en) | 2021-12-29 | 2021-12-29 | Mechanical turn-up drum with large-diameter fit |
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| WO2019085885A1 (en) * | 2017-10-30 | 2019-05-09 | 萨驰华辰机械(苏州)有限公司 | Building drum, tire building machine and tire building method thereof |
| CN110667155A (en) * | 2019-11-01 | 2020-01-10 | 萨驰华辰机械(苏州)有限公司 | Tyre building drum |
| CN110920112A (en) * | 2019-12-05 | 2020-03-27 | 中国航空制造技术研究院 | Forming device and forming process for carcass barrel of aviation radial tire |
| CN113232347A (en) * | 2021-05-20 | 2021-08-10 | 青岛铭达高科轮胎科技有限公司 | Twice-turn-up forming mechanical drum and twice-turn-up forming method |
| CN214027333U (en) * | 2020-12-22 | 2021-08-24 | 揭阳市双骏橡胶机械有限公司 | Intermediate support type belt bundle laminating drum device |
| CN216941912U (en) * | 2021-12-29 | 2022-07-12 | 广东日星机械科技有限公司 | Mechanical turn-up drum with large-diameter fit |
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2021
- 2021-12-29 CN CN202111631856.5A patent/CN114274564A/en active Pending
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| JPH04179539A (en) * | 1990-11-14 | 1992-06-26 | Bridgestone Corp | Tire molding drum |
| CN1964838A (en) * | 2004-06-04 | 2007-05-16 | Vmi荷兰埃珀公司 | Tyre drum assembly including turn-up mechanism for building an unvulcanized tyre |
| WO2019085885A1 (en) * | 2017-10-30 | 2019-05-09 | 萨驰华辰机械(苏州)有限公司 | Building drum, tire building machine and tire building method thereof |
| CN110667155A (en) * | 2019-11-01 | 2020-01-10 | 萨驰华辰机械(苏州)有限公司 | Tyre building drum |
| CN110920112A (en) * | 2019-12-05 | 2020-03-27 | 中国航空制造技术研究院 | Forming device and forming process for carcass barrel of aviation radial tire |
| CN214027333U (en) * | 2020-12-22 | 2021-08-24 | 揭阳市双骏橡胶机械有限公司 | Intermediate support type belt bundle laminating drum device |
| CN113232347A (en) * | 2021-05-20 | 2021-08-10 | 青岛铭达高科轮胎科技有限公司 | Twice-turn-up forming mechanical drum and twice-turn-up forming method |
| CN216941912U (en) * | 2021-12-29 | 2022-07-12 | 广东日星机械科技有限公司 | Mechanical turn-up drum with large-diameter fit |
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