CN212331926U - Vulcanizing machine central mechanism - Google Patents
Vulcanizing machine central mechanism Download PDFInfo
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- CN212331926U CN212331926U CN202023000622.4U CN202023000622U CN212331926U CN 212331926 U CN212331926 U CN 212331926U CN 202023000622 U CN202023000622 U CN 202023000622U CN 212331926 U CN212331926 U CN 212331926U
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Abstract
The utility model relates to the field of tire production, and discloses a central mechanism of a vulcanizing machine, which comprises a lifting inflation structure, an air nozzle fixed at the top end of the lifting inflation structure, and an expansion support structure fixed on the air nozzle and used for supporting a tire blank through expansion deformation; the expansion supporting structure comprises a gear shaft, a driving gear, a driven auxiliary wheel, a rack, a fixed shell and a supporting shell which are connected with the lifting inflation structure, wherein the lower end of the fixed shell is fixedly connected with the air nozzle, the central mechanism overcomes the defect of shaping and vulcanizing of a traditional tire bladder, the tire manufacturing precision is improved, the labor intensity is reduced, and the production efficiency of the tire is effectively improved.
Description
Technical Field
The utility model relates to a tire production field, concretely relates to vulcanizer central mechanism.
Background
The tire shaping vulcanizer is mainly used for vulcanizing an outer tire of a hollow tire, can complete a series of processes such as tire loading, shaping, vulcanizing, tire unloading and the like, and is the most widely applied process equipment for manufacturing the current automobile tire. The central mechanism, namely the bladder operating mechanism, is an important component of the shaping vulcanizer and has the functions of filling the bladder into a tire blank and shaping before tire vulcanization, and then extracting the bladder from the tire after the tire is shaped and vulcanized to demould the tire. However, the traditional capsule shaping and vulcanizing tire has low precision, the capsule is inconvenient to be filled into and taken out of the tire, the labor intensity is high, the time is long, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The invention aims to solve the technical problem of providing a central mechanism of a vulcanizing machine, which overcomes the defect of shaping and vulcanizing of the traditional tire bladder, improves the tire manufacturing precision, lightens the labor intensity and effectively improves the production efficiency of the tire.
The technical scheme of the utility model is that: a central mechanism of a vulcanizing machine comprises a lifting inflation structure, an air nozzle fixed at the top end of the lifting inflation structure and an expansion support structure fixed on the air nozzle and used for supporting a green tire through expansion deformation; the expansion supporting structure comprises a rack, a supporting shell, a fixed shell inside the supporting shell, a gear shaft, a driving gear, a driven gear and a driven pinion inside the fixed shell, the gear shaft is fixedly connected with the lifting inflation structure, the driving gear is fixedly connected with the upper portion of the gear shaft, the driven gear is a plurality of and is arranged along the outer circumference of the driving gear in a meshed manner, the upper end surface of each driven gear is fixedly connected with the driven pinion coaxially, a corresponding rack is arranged in the meshed manner of each driven pinion, rack guide rail holes in one-to-one correspondence with the racks are arranged on the fixed shell, the supporting shell is formed by movably splicing fan-shaped shells in one-to-one correspondence with the racks, the outer end of each rack is fixed on the supporting shell, the inner end of each rack penetrates through the rack guide rail holes and is meshed with the driven pinions, and the lower portion, a foldable support film is fixed inside the support shell, and the support film and the air nozzle form a closed space.
Preferably, lift gas filled structure including support the air nozzle with expand the ascending and descending pipe that bearing structure goes up and down, connect in the air nozzle and through the air nozzle to the gas-filled gas-supply pipe of expansion bearing structure and with gear shaft integrated into one piece's pivot.
Preferably, the air nozzle center is provided with the through-hole, the pivot pass through the through-hole with the expansion bearing structure is connected, the gas-supply pipe with the air nozzle bottom is connected, the inside passageway that is provided with the gas circulation of air nozzle is provided with the fumarole at the top.
Preferably, a sealing ring is arranged at the through hole, and the sealing ring is in close fit connection with the through hole and the rotating shaft.
Preferably, the support membrane is made of a high-temperature-resistant and bending-resistant polytetrafluoroethylene membrane.
Compared with the prior art, the utility model, have following advantage:
the utility model discloses cancelled the capsule structure and supporting water supply isotructure that traditional vulcanizer needs, simple structure, and retrencied work flow through cancelling the capsule structure for operating speed has improved efficiency.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an expanded support structure;
in the figure: 1-lifting inflation structure, 11-rotating shaft, 12-gas pipe, 13-lifting pipe, 2-gas nozzle, 21-through hole, 22-sealing ring, 23-gas hole, 3-expanding support structure, 31-gear shaft, 32-driving gear, 33-driven gear, 34-driven auxiliary wheel, 35-rack, 36-support shell, 37-fixed shell, 38-rack guide rail hole and 39-support membrane.
Detailed Description
In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.
Example one
Referring to fig. 1 and 2, a central mechanism of a vulcanizing machine comprises a lifting inflation structure 1, an air nozzle 2 fixed at the top end of the lifting inflation structure 1, and an expansion support structure 3 fixed on the air nozzle 2 and used for supporting a green tire through expansion deformation; the expansion supporting structure 3 comprises a rack 35, a supporting shell 36, a fixed shell 37 inside the supporting shell 36, a gear shaft 31 inside the fixed shell 37, a driving gear 32, a driven gear 33 and a driven auxiliary wheel 34, wherein the gear shaft 31 is fixedly connected to the lifting inflating structure 1, the driving gear 32 is fixedly connected to the upper part of the gear shaft 31, the driven gears 33 are multiple and are meshed along the outer circumference of the driving gear 32, the upper end surface of each driven gear 33 is fixedly connected with a coaxial driven auxiliary wheel 34, each driven auxiliary wheel 34 is meshed with a corresponding rack 35, the fixed shell 37 is provided with rack guide rail holes 38 corresponding to the racks 35 one by one, the supporting shell 36 is formed by movably splicing fan-shaped shells corresponding to the racks 35 one by one, the outer end of each rack 35 is fixed on the supporting shell 36, the inner end of each rack 35 penetrates through the rack guide rail hole 38 and is meshed with the driven auxiliary wheel, a foldable support membrane 39 is fixed inside the support shell 36, and the support membrane 39 and the air nozzle 2 form a closed space;
the specific working principle is as follows:
during vulcanization, the air nozzle 2 and the expansion supporting structure 3 are lifted by the lifting inflation structure 1, then the rotating shaft 11 drives the gear shaft 31 to rotate, the gear shaft 31 drives the driving gear 32 to rotate, the driving gear 32 drives the driven gears 33 distributed along the circumference of the driving gear 32 to rotate, then the driven auxiliary wheels 34 rotate to drive the racks 35 to extend outwards, the racks 35 drive the supporting shell 36 to expand towards the periphery so as to support the inner wall of a tire blank, meanwhile, the air pipe 12 conveys air to the expansion supporting structure 3, the air supports the supporting membrane 39 so as to fill a gap generated after the supporting shell 36 expands, meanwhile, the supporting membrane 39 and the air nozzle 2 form a closed space to prevent moisture liquid from overflowing to corrode other parts, and then the tire vulcanizer performs vulcanization operation on the tire blank;
after vulcanization, the air pipe 12 is reversely pumped, so that the support film 39 is retracted inwards, and then the driving gear 32, the driven gear 33, the driven auxiliary gear 34 and the rack 35 all move in reverse directions to drive the support shell 36 to retract inwards to complete the working step of the central mechanism.
The central mechanism overcomes the defect of shaping and vulcanizing of the traditional tire bladder, improves the tire manufacturing precision, lightens the labor intensity and effectively improves the production efficiency of the tire.
Example two
Referring to fig. 1, lift inflatable structure 1 including support air nozzle 2 and expansion supporting structure 3 lift the lift pipe 13, connect in air nozzle 2 and through air nozzle 2 to the gas-supply pipe 12 that expansion supporting structure 3 is aerifyd and with gear shaft 31 integrated into one piece's pivot 11, can deliver to the assigned position with expansion supporting structure 3 through lift inflatable structure 1, realized the automatic operation of embryo vulcanization.
EXAMPLE III
Referring to fig. 1 and 2, a through hole 21 is formed in the center of the air nozzle 2, the rotating shaft 11 is connected with the expansion supporting structure 3 through the through hole 21, the air delivery pipe 12 is connected with the bottom of the air nozzle 2, a passage for air circulation is formed inside the air nozzle 2, an air injection hole 23 is formed in the top of the air nozzle 2, a sealing ring 22 is arranged at the position of the through hole 21, the sealing ring 22 is closely attached to the through hole 21 and the rotating shaft 11, and the supporting film 39 is made of a high-temperature-resistant and bending-resistant polytetrafluoroethylene film.
The present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge range of those skilled in the art without departing from the spirit of the present invention, and the changed contents still belong to the protection scope of the present invention.
Claims (5)
1. The utility model provides a vulcanizer central mechanism which characterized in that: the device comprises a lifting inflation structure, an air nozzle fixed at the top end of the lifting inflation structure and an expansion support structure fixed on the air nozzle and used for supporting a green tire through expansion deformation;
the expansion supporting structure comprises a rack, a supporting shell, a fixed shell inside the supporting shell, a gear shaft, a driving gear, a driven gear and a driven pinion inside the fixed shell, the gear shaft is fixedly connected with the lifting inflation structure, the driving gear is fixedly connected with the upper portion of the gear shaft, the driven gear is a plurality of and is arranged along the outer circumference of the driving gear in a meshed manner, the upper end surface of each driven gear is fixedly connected with the driven pinion coaxially, a corresponding rack is arranged in the meshed manner of each driven pinion, rack guide rail holes in one-to-one correspondence with the racks are arranged on the fixed shell, the supporting shell is formed by movably splicing fan-shaped shells in one-to-one correspondence with the racks, the outer end of each rack is fixed on the supporting shell, the inner end of each rack penetrates through the rack guide rail holes and is meshed with the driven pinions, and the lower portion, a foldable support film is fixed inside the support shell, and the support film and the air nozzle form a closed space.
2. A vulcanizer center mechanism as set forth in claim 1, wherein: the lift inflatable structure is including supporting the air nozzle with expand the ascending and descending pipe that bearing structure goes up and down, connect in the air nozzle passes through the air nozzle to the gas-supply pipe that expansion bearing structure aerifys and with gear shaft integrated into one piece's pivot.
3. A vulcanizer center mechanism as set forth in claim 2, wherein: the air nozzle center is provided with the through-hole, the pivot pass through the through-hole with the expansion bearing structure is connected, the gas-supply pipe with the air nozzle bottom is connected, the inside passageway that is provided with the gas circulation of air nozzle is provided with the fumarole at the top.
4. A vulcanizer center mechanism as set forth in claim 3, wherein: and a sealing ring is arranged at the through hole and is in close fit connection with the through hole and the rotating shaft.
5. A vulcanizer center mechanism as set forth in claim 1, wherein: the support membrane is made of a high-temperature-resistant and bending-resistant polytetrafluoroethylene membrane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023000622.4U CN212331926U (en) | 2020-12-15 | 2020-12-15 | Vulcanizing machine central mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023000622.4U CN212331926U (en) | 2020-12-15 | 2020-12-15 | Vulcanizing machine central mechanism |
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| Publication Number | Publication Date |
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| CN212331926U true CN212331926U (en) | 2021-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023000622.4U Active CN212331926U (en) | 2020-12-15 | 2020-12-15 | Vulcanizing machine central mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116619799A (en) * | 2023-07-20 | 2023-08-22 | 山东豪迈数控机床有限公司 | Tire vulcanizing device |
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2020
- 2020-12-15 CN CN202023000622.4U patent/CN212331926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116619799A (en) * | 2023-07-20 | 2023-08-22 | 山东豪迈数控机床有限公司 | Tire vulcanizing device |
| CN116619799B (en) * | 2023-07-20 | 2023-10-03 | 山东豪迈数控机床有限公司 | Tire vulcanizing device |
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