CN219256531U - Tire vulcanizing device - Google Patents
Tire vulcanizing device Download PDFInfo
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- CN219256531U CN219256531U CN202223608874.4U CN202223608874U CN219256531U CN 219256531 U CN219256531 U CN 219256531U CN 202223608874 U CN202223608874 U CN 202223608874U CN 219256531 U CN219256531 U CN 219256531U
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Abstract
The utility model discloses a tire vulcanizing device, which belongs to the field of electric heating vulcanization and comprises two heating plates, wherein the two heating plates are arranged on the upper side and the lower side of a die; the at least one heating plate comprises a central annular heating zone, the central annular heating zone is provided with a first annular mounting groove, a spiral annular electric heating coil is arranged in the first annular mounting groove, and a plurality of external fan-shaped heating zones are arranged on the outer side of the central annular heating zone along the circumferential direction; the outer fan-shaped heating zone is provided with a second fan-shaped mounting groove, and a spiral annular electric heating coil is arranged in the second fan-shaped mounting groove; a connecting part is arranged between the adjacent second fan-shaped mounting grooves, a connecting hole is arranged on the connecting part and connected with the die, a communicating groove is arranged at the bottom of the connecting part, an electric connecting piece is arranged in the communicating groove, and the electric connecting piece is connected with the spiral annular electric heating coils in the two adjacent second fan-shaped mounting grooves in series. The utility model can improve the uniformity of the whole heating temperature on the premise of not influencing the connection of the dies through the structure.
Description
Technical Field
The utility model relates to the field of electric heating vulcanization, in particular to a tire vulcanizing device.
Background
In industrial production, vulcanization is often employed to increase the overall hardness of certain materials. For example, tire vulcanization refers to vulcanization of a tire casing by a mold pressurization method. Before vulcanization, the tire is a plastic rubber with viscoelasticity, is easy to deform, has low strength and no use value, and is cured into a high-elasticity rubber with use value through vulcanization. Conventional tire curing processes employ saturated steam. Specifically, the green tire is placed in a vulcanization mold, and saturated steam is introduced into the mold to provide heat required for vulcanization. But steam vulcanization is high in energy consumption and is gradually replaced by electric heating. However, the current spiral annular electric heating coils are arranged densely because the connection structure affects the arrangement of the electric heating coils, and the sparse spiral annular electric heating coils have the problem of uneven temperature,
in view of the above-described problems with the prior art, the present utility model is directed to a tire curing apparatus that overcomes the above-described drawbacks.
Disclosure of Invention
For the problems in the prior art, the tire vulcanizing device provided by the utility model can improve the overall heating temperature uniformity on the premise of not influencing the connection of the dies.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a tire vulcanizing device comprises two heating plates, wherein the two heating plates are arranged on the upper side and the lower side of a die;
at least one heating plate comprises a central annular heating zone, a first annular mounting groove is formed in the central annular heating zone, a spiral annular electric heating coil is arranged in the first annular mounting groove, and a plurality of outer fan-shaped heating zones are arranged on the outer side of the central annular heating zone along the circumferential direction;
the outer fan-shaped heating area is provided with a second fan-shaped mounting groove, and a spiral annular electric heating coil is arranged in the second fan-shaped mounting groove;
the connecting part is arranged between the two adjacent second fan-shaped mounting grooves, the connecting part is provided with a connecting hole and is connected with the die, the bottom of the connecting part is provided with a communicating groove, an electric connecting piece is arranged in the communicating groove, and the electric connecting piece is connected with the spiral annular electric heating coils in the two adjacent second fan-shaped mounting grooves in series.
Preferably, a plurality of first spacers are arranged in the first annular mounting groove, and the first spacers are used for spacing the spiral annular electric heating coils in the first annular mounting groove to a set distance.
Preferably, the spiral annular electric heating coil in the second fan-shaped mounting groove is an electric heating coil spirally arranged from the middle to the outside.
Preferably, the periphery of the spiral annular electric heating coil in the second fan-shaped mounting groove is close to the periphery of the second fan-shaped mounting groove and is fan-shaped.
Preferably, a plurality of second spacers are arranged in each second fan-shaped mounting groove in the radial direction, and the second spacers space the spiral annular electric heating coils in the second fan-shaped mounting grooves to a set distance.
Preferably, the plurality of second spacers are arc-shaped and the plurality of second spacers are concentric.
Preferably, two ends of the electric connecting piece are respectively connected with the inner ends and the outer ends of the spiral annular electric heating coils in the two adjacent second fan-shaped mounting grooves.
Preferably, a first radial wire outlet groove and a second radial wire outlet groove are respectively arranged on two sides of the connecting part, the first radial wire outlet groove radially penetrates through the outer fan-shaped heating zone and extends to the inner side of the central annular heating zone, the second radial wire outlet groove radially penetrates through the outer fan-shaped heating zone and extends to the outer side of the central annular heating zone, and two ends of the spiral annular electric heating coil in the first annular mounting groove are respectively led from the first radial wire outlet groove and the second radial wire outlet groove.
Preferably, the connecting parts provided with the first radial wire outlet groove and the second radial wire outlet groove at two sides are not provided with communication grooves, and two ends of the serially connected spiral annular electric heating coils of the plurality of external fan-shaped heating areas are respectively led from the first radial wire outlet groove and the second radial wire outlet groove.
Preferably, the communication groove is concavely formed at the bottom of the second fan-shaped mounting groove.
The utility model has the advantages that:
1. according to the utility model, the central annular heating zone is matched with the plurality of external fan-shaped heating zones at the outer side, and the connecting holes for connecting the dies are arranged on the connecting parts of the adjacent external fan-shaped heating zones, so that the temperature uniformity of the whole heating zone of the heating plate is improved on the premise of not influencing die connection.
2. The utility model uses the connecting groove on the connecting part to set the electric connecting piece to connect the spiral ring-shaped electric heating coil in the two adjacent second fan-shaped mounting grooves in series, then leads the two ends of the spiral ring-shaped electric heating coil after being connected in series from the first radial wire outlet groove and the second radial wire outlet groove respectively, and the two ends of the spiral ring-shaped electric heating coil in the first ring-shaped mounting groove also lead from the first radial wire outlet groove and the second radial wire outlet groove respectively, thus simplifying the arrangement and the connecting structure of the whole electric heating coil and simplifying the wiring and the hot plate structure.
Drawings
FIG. 1 is a schematic view of a tire curing apparatus;
FIG. 2 is a schematic view of an electrical heating coil disposed on a heating plate;
fig. 3 is a schematic view of a heating plate of the present utility model.
In the figure: 1-heating plate, 2-mould, 11-central annular heating zone, 12-outer fan-shaped heating zone, 13-first annular mounting groove, 14-second fan-shaped mounting groove, 15-connecting part, 16-connecting hole, 17-communicating groove, 18-second radial wire outlet groove, 19-first radial wire outlet groove, 20-second spacer.
Detailed Description
The present utility model is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
As shown in fig. 1 to 3, a tire vulcanizing apparatus comprises two heating plates 1, wherein the two heating plates 1 are arranged on the upper side and the lower side of a mold 2, at least one heating plate 1 of the present utility model comprises a central annular heating zone 11, the central annular heating zone 11 is provided with a first annular mounting groove 13, a spiral annular electric heating coil is arranged in the first annular mounting groove 13, a plurality of outer fan-shaped heating zones 12 are circumferentially arranged on the outer side of the central annular heating zone 11, the outer fan-shaped heating zones 12 are provided with a second fan-shaped mounting groove 14, and the second fan-shaped mounting groove 14 is internally provided with a spiral annular electric heating coil.
Specifically, a connecting part 15 is arranged between every two adjacent second fan-shaped mounting grooves 14, and connecting holes 16 are formed in the connecting parts 15 and connected with the die 2, so that the central annular heating zone 11 is matched with a plurality of outer fan-shaped heating zones 12 on the outer side, and the connecting holes 16 connected with the die 2 are formed in the connecting parts 15 of the adjacent outer fan-shaped heating zones 12, so that the temperature uniformity of the whole heating zone of the heating plate 1 is improved on the premise that the connection of the die 2 is not affected.
The bottom of the connecting part 15 is provided with a communicating groove 17, the communicating groove 17 is concavely arranged at the bottom of the second fan-shaped mounting groove 14, an electric connecting piece is arranged in the communicating groove 17, and the electric connecting piece is connected with spiral annular electric heating coils in two adjacent second fan-shaped mounting grooves 14 in series.
A first radial wire outlet groove 19 and a second radial wire outlet groove 18 are respectively arranged at two sides of the connecting part 15, the first radial wire outlet groove 19 radially penetrates through an outer fan-shaped heating zone 12 and extends to the inner side of the central annular heating zone 11, the second radial wire outlet groove 18 radially penetrates through an outer fan-shaped heating zone 12 and extends to the outer side of the central annular heating zone 11, and two ends of the spiral annular electric heating coil in the first annular mounting groove 13 are respectively led from the first radial wire outlet groove 19 and the second radial wire outlet groove 18. The connecting parts 15 with the first radial wire outlet grooves 19 and the second radial wire outlet grooves 18 at two sides are not provided with the communication grooves 17, and two ends of the serially connected spiral annular electric heating coils of the plurality of external fan-shaped heating areas 12 are respectively led from the first radial wire outlet grooves 19 and the second radial wire outlet grooves 18.
The utility model uses the electric connector to connect the spiral annular electric heating coils in the two adjacent second fan-shaped mounting grooves 14 in series in the connecting groove 17 on the connecting part 15, then leads the two ends of the series spiral annular electric heating coils from the first radial wire outlet groove 19 and the second radial wire outlet groove 18 respectively, and leads the two ends of the spiral annular electric heating coils in the first annular mounting groove 13 from the first radial wire outlet groove 19 and the second radial wire outlet groove 18 respectively, thus simplifying the arrangement and the connecting structure of the whole electric heating coils and simplifying the wiring and the hot plate structure.
Preferably, a plurality of first spacers distributed in the radial direction are arranged in the first annular mounting groove 13, and the first spacers space the spiral annular electric heating coils in the first annular mounting groove 13 to a set distance.
The spiral annular electric heating coils in the second fan-shaped mounting grooves 14 are electric heating coils spirally arranged from the middle to the outside, and two ends of the electric connecting piece are respectively connected with the inner ends and the outer ends of the spiral annular electric heating coils in the two adjacent second fan-shaped mounting grooves 14.
The periphery of the spiral annular electric heating coil in the second fan-shaped mounting groove 14 is close to the periphery of the second fan-shaped mounting groove 14 and is fan-shaped, a plurality of second spacers 20 are arranged in each second fan-shaped mounting groove 14 in the radial direction, and the second spacers 20 space the spiral annular electric heating coil in the second fan-shaped mounting groove 14 to a set distance. The plurality of second spacers 20 are arcuate in shape and the plurality of second spacers 20 are concentric such that the helical annular electric heating coil within the second fan-shaped mounting groove 14 also exhibits a fan shape as a whole.
It should be understood that these examples are for the purpose of illustrating the utility model only and are not intended to limit the scope of the utility model. Furthermore, it is to be understood that various changes, modifications and/or variations may be made by those skilled in the art after reading the technical content of the present utility model, and that all such equivalents are intended to fall within the scope of protection defined in the claims appended hereto.
Claims (10)
1. The tire vulcanizing device is characterized by comprising two heating plates, wherein the two heating plates are arranged on the upper side and the lower side of a die;
at least one heating plate comprises a central annular heating zone, a first annular mounting groove is formed in the central annular heating zone, a spiral annular electric heating coil is arranged in the first annular mounting groove, and a plurality of outer fan-shaped heating zones are arranged on the outer side of the central annular heating zone along the circumferential direction;
the outer fan-shaped heating area is provided with a second fan-shaped mounting groove, and a spiral annular electric heating coil is arranged in the second fan-shaped mounting groove;
the connecting part is arranged between the two adjacent second fan-shaped mounting grooves, the connecting part is provided with a connecting hole and is connected with the die, the bottom of the connecting part is provided with a communicating groove, an electric connecting piece is arranged in the communicating groove, and the electric connecting piece is connected with the spiral annular electric heating coils in the two adjacent second fan-shaped mounting grooves in series.
2. A tyre vulcanisation apparatus according to claim 1, wherein a plurality of first spacers are provided in said first annular mounting groove, radially distributed, said first spacers spacing the spiral annular electric heating coils in said first annular mounting groove to a set pitch.
3. A tire curing apparatus as in claim 1, wherein the spiral annular electric heating coil in the second fan-shaped mounting groove is an electric heating coil spirally disposed from the middle to the outside.
4. A tire curing apparatus as in claim 3, wherein said second fan-shaped mounting groove has a spiral annular electric heating coil circumferentially disposed adjacent to and fan-shaped about the periphery of said second fan-shaped mounting groove.
5. A tire curing apparatus as in claim 4, wherein a plurality of second spacers are radially disposed within each of said second fan-shaped mounting grooves, said second spacers spacing the helical annular electric heating coils within said second fan-shaped mounting grooves to a set spacing.
6. A tyre vulcanisation apparatus according to claim 5, wherein the plurality of second spacers are arc-shaped and concentric.
7. A tyre vulcanisation apparatus according to claim 1, wherein said electrical connection members are connected at both ends to the inner and outer ends of the spiral annular electrical heating coils in two adjacent second sector mounting grooves, respectively.
8. A tyre vulcanizer as claimed in claim 1, wherein a first radial wire outlet groove and a second radial wire outlet groove are provided on both sides of the connecting portion, the first radial wire outlet groove radially penetrates through the outer fan-shaped heating zone and extends to the inner side of the central annular heating zone, the second radial wire outlet groove radially penetrates through the outer fan-shaped heating zone and extends to the outer side of the central annular heating zone, and both ends of the spiral annular electric heating coil in the first annular mounting groove are led from the first radial wire outlet groove and the second radial wire outlet groove respectively.
9. The tire vulcanizing apparatus of claim 8, wherein the connecting portions provided with the first radial wire outlet groove and the second radial wire outlet groove on both sides are not provided with communication grooves, and both ends of the serially connected spiral annular electric heating coils of the plurality of outer fan-shaped heating zones are respectively led from the first radial wire outlet groove and the second radial wire outlet groove.
10. A tire curing apparatus as in claim 1, wherein said communication channel is recessed into a bottom of said second fan-shaped mounting channel.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202223608874.4U CN219256531U (en) | 2022-12-30 | 2022-12-30 | Tire vulcanizing device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202223608874.4U CN219256531U (en) | 2022-12-30 | 2022-12-30 | Tire vulcanizing device |
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Publication Number | Publication Date |
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CN219256531U true CN219256531U (en) | 2023-06-27 |
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Family Applications (1)
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CN202223608874.4U Active CN219256531U (en) | 2022-12-30 | 2022-12-30 | Tire vulcanizing device |
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CN (1) | CN219256531U (en) |
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2022
- 2022-12-30 CN CN202223608874.4U patent/CN219256531U/en active Active
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