Forming mold for high-heat-conductivity tire curing bladder

Abstract

The utility model discloses a high heat conduction type tire curing bladder forming mould, which comprises an upper mould and a lower mould, a heat conduction mould box is arranged in the lower mould, a heat conduction base is arranged at the bottom of the lower mould, an electric heating pipeline is arranged in the heat conduction base, and a heat conduction pipe is arranged in the electric heating pipeline. A heat conduction metal cushion block is installed on the surface of the upper end of the heat conduction base, the heat conduction metal cushion block is tightly attached and fixed to the surface of the bottom end of the heat conduction mold box, a mold box sealing cover is installed in the upper mold, and the mold box sealing cover comprises a sealing rubber ring, an upper cover plate, a mold box sealing ring and a limiting clamping frame. The mold for producing the tire curing bladder is conveniently mounted and designed, the heat conduction metal cushion block is embedded in the mold to be matched with the heat conduction mold box, and meanwhile, the upper end of the heat conduction mold box is designed in a sealed protection manner, so that heat in the mold box can be stored and conducted to the maximum extent; therefore, when the high-heat-conductivity tire curing bladder is prepared, the temperature consistency of the bladder can be good.

Description

Technical Field

[0001] The utility model relates to the technical field of tire vulcanization bladder preparation, in particular to a molding die for a high-heat-conductivity tire vulcanization bladder. Background Art

[0002] Vulcanization is the process of pressurizing the tire in the mold and using heat energy to cause a chemical reaction between rubber and other materials to finalize the shape. In this process, the tire automatically moves to the lower mold seat, and the vulcanization bladder is embedded in the tire. After the mold is closed, the vulcanization bladder is inflated. When the mold is closed and locked, the pressure in the vulcanization bladder continues to increase so that the tire fills the entire mold. The tire needs to be placed inside the mold and pressurized to give it the final shape.

[0003] A Chinese authorized patent document with publication number CN219748977U discloses a tire vulcanization bladder molding mold, including a lower mold shell and a stamping upper mold, the stamping upper mold is movably arranged on the top of the lower mold shell, a control panel is arranged on the front of the lower mold shell, an inclined plate is arranged on one side of the interior of the lower mold shell, two support rods are arranged on both sides of the inclined plate, a fixed rod is arranged at one end of the four support rods, and a side baffle is arranged at one end of two adjacent fixed rods, by arranging an inclined plate, a dust collection hole, a contact rod, a moving rod and an impact plate, the inclined plate is inclined, and after the vulcanized molded tire is placed on the surface of the inclined plate, the transportation of the molded tire can be accelerated, and since the contact rod is arranged at the top position of the dust collection hole and is in a raised state, after contacting the molded tire, the molded tire is continuously bumped, and impurities on its surface can be shaken off, and the impurities can directly fall to the ground through the gaps between the multiple dust collection holes.

[0004] The above-mentioned prior art has poor sealing inside the mold box and poor thermal conductivity, and cannot ensure the consistency of the bladder temperature inside the mold box, resulting in poor molding effect of the tire curing bladder product. Therefore, it is necessary to develop a molding mold for a high thermal conductivity tire curing bladder. Utility Model Content

[0005] The utility model aims to provide a molding mold for a high thermal conductivity tire curing bladder, so as to solve the problem that the prior art proposed in the above background technology has poor sealing inside the mold box and poor heat conduction performance, and cannot ensure the consistency of the bladder temperature inside the mold box, resulting in poor molding effect of the tire curing bladder product.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a molding mold for a high thermal conductivity tire curing bladder, comprising an upper mold and a lower mold, a thermally conductive mold box is installed inside the lower mold, a thermally conductive base is installed at the bottom of the lower mold, an electric heating pipeline is installed inside the thermally conductive base, a thermally conductive metal pad is installed on the upper end surface of the thermally conductive base, the thermally conductive metal pad is tightly fitted and fixed to the bottom end surface of the thermally conductive mold box, a mold box sealing cover is installed inside the upper mold, and the mold box sealing cover comprises a sealing rubber ring, an upper cover plate, a mold box sealing ring and a limit card frame.

[0007] Preferably, the upper mold and the lower mold are of a detachable structure, and a pressing mechanism is provided at the upper end of the upper mold.

[0008] Preferably, a plurality of mold cavities are arranged inside the thermally conductive mold box, and the surfaces of the mold cavities are coated with a high thermal conductive coating structure layer.

[0009] Preferably, four heat-conducting metal pads are provided, and the heat-conducting metal pads are located directly below the mold cavity, and the heat-conducting metal pads are fixedly connected to the heat-conducting base by screws.

[0010] Preferably, a limiting frame is provided between the lower mold and the heat-conducting base, and the limiting frame is installed and fixed on the outer surface of the heat-conducting metal pad.

[0011] Preferably, the sealing rubber ring is wrapped around the outer surface wall of the upper cover plate, the mold box sealing ring is correspondingly fitted and fixed to the heat-conducting mold box, and the limit card frame is correspondingly fixedly connected to the limit frame by screws.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model designs a convenient installation of a mold for producing a tire vulcanization bladder, embeds and installs a heat-conducting metal pad in the interior thereof to cooperate with a heat-conducting mold box, and performs a sealing and protective design on the upper end of the heat-conducting mold box, which can maximize the preservation and conduction of heat inside the mold box, thereby enabling the bladder temperature to be uniform when preparing a high-thermal-conductivity tire vulcanization bladder. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the exploded structure of the lower mold of the utility model;

[0016] Figure 3 This is a schematic diagram of the overall structure of the upper mold of the utility model;

[0017] Figure 4It is a schematic diagram of the exploded structure of the upper mold of the utility model.

[0018] In the figure: 1. pressing mechanism; 2. upper mold; 3. heat-conducting mold box; 4. lower mold; 5. heat-conducting base; 6. electric heating pipeline; 7. limiting frame; 8. heat-conducting metal pad; 9. mold chamber; 10. mold box sealing cover; 11. sealing rubber ring; 12. upper cover plate; 13. mold box sealing ring; 14. limiting card frame. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] See also Figure 1-4 The utility model provides an embodiment: a molding mold for a high thermal conductivity tire vulcanization bladder, comprising an upper mold 2 and a lower mold 4, a thermally conductive mold box 3 is installed inside the lower mold 4, a thermally conductive base 5 is installed at the bottom of the lower mold 4, an electric heating pipeline 6 is installed inside the thermally conductive base 5, a heat-conducting metal pad 8 is installed on the upper end surface of the thermally conductive base 5, the heat-conducting metal pad 8 is tightly fitted and fixed to the bottom end surface of the thermally conductive mold box 3, a mold box sealing cover 10 is installed inside the upper mold 2, and the mold box sealing cover 10 includes a sealing rubber ring 11, an upper cover plate 12, a mold box sealing ring 13 and a limit card frame 14.

[0021] Furthermore, the upper mold 2 and the lower mold 4 are of a detachable structure, and a pressing mechanism 1 is provided at the upper end of the upper mold 2 to facilitate the pressing mechanism 1 to drive the upper mold 2 to press down and close the mold with the lower mold 4.

[0022] Furthermore, a plurality of mold cavities 9 are arranged inside the heat-conducting mold box 3 , and the surface of the mold cavity 9 is coated with a high thermal conductivity coating structure layer, which can achieve good thermal conduction performance.

[0023] Furthermore, four heat-conducting metal pads 8 are provided, and the heat-conducting metal pads 8 are located directly below the mold cavity 9. The heat-conducting metal pads 8 are fixedly connected to the heat-conducting base 5 by screws, so that the heat-conducting metal pads 8 can transfer the heat generated by the heat-conducting base 5 to the inside of the mold cavity 9.

[0024] Furthermore, a limiting frame 7 is provided between the lower mold 4 and the heat-conducting base 5 , and the limiting frame 7 is installed and fixed on the outer surface of the heat-conducting metal pad 8 , so as to facilitate limiting and fixing the heat-conducting metal pad 8 .

[0025] Furthermore, the sealing rubber ring 11 is wrapped around the outer surface wall of the upper cover plate 12, the mold box sealing ring 13 is fixed to the heat-conducting mold box 3, and the limiting card frame 14 is fixedly connected to the limiting frame 7 by screws, which has the advantages of tight installation and good sealing.

[0026] Working principle: When in use, a heat-conducting mold box 3 is installed inside the lower mold 4, and a plurality of mold cavities 9 are arranged inside the heat-conducting mold box 3. The tire vulcanization capsule is die-cast inside the mold cavity 9. Since the tire vulcanization capsule requires a certain amount of high temperature heat during production, a heat-conducting base 5 is installed at the bottom of the lower mold 4, and an electric heating pipeline 6 is installed inside the heat-conducting base 5. A heat-conducting metal pad 8 is installed on the upper end surface of the heat-conducting base 5. The heat-conducting metal pad 8 is tightly fitted and fixed to the bottom end surface of the heat-conducting mold box 3. After the electric heating pipeline 6 is turned on, the heat-conducting base 5 generates heat, which is transferred to the inside of the heat-conducting mold box 3 through the heat-conducting metal pad 8. The surface of the mold cavity 9 is coated with a high thermal conductivity coating structure. The layer can play a good role in heat conduction, thereby improving the heat conduction performance of the mold. At the same time, a mold box sealing cover 10 is installed inside the upper mold 2. The mold box sealing cover 10 includes a sealing rubber ring 11, an upper cover plate 12, a mold box sealing ring 13 and a limiting card frame 14. The sealing rubber ring 11 is wrapped around the outer surface wall of the upper cover plate 12, and the mold box sealing ring 13 is correspondingly fitted and fixed to the heat-conducting mold box 3. The limiting card frame 14 is correspondingly fixed to the limiting frame 7 by screws. The upper mold 2, the lower mold 4 and the heat-conducting mold box 3 can be further sealed and protected, so as to maximize the preservation and conduction of heat inside the mold box, so that the capsule temperature consistency can be good when preparing high thermal conductivity tire vulcanization capsules.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A molding die for a high thermal conductivity tire curing bladder, comprising an upper mold (2) and a lower mold (4), characterized in that: A heat-conducting mold box (3) is installed inside the lower mold (4), a heat-conducting base (5) is installed at the bottom of the lower mold (4), an electric heating pipeline (6) is installed inside the heat-conducting base (5), a heat-conducting metal pad (8) is installed on the upper end surface of the heat-conducting base (5), and the heat-conducting metal pad (8) is tightly fitted and fixed to the bottom end surface of the heat-conducting mold box (3), and a mold box sealing cover (10) is installed inside the upper mold (2), and the mold box sealing cover (10) comprises a sealing rubber ring (11), an upper cover plate (12), a mold box sealing ring (13) and a limit card frame (14).

2. The molding die of the high thermal conductivity tire curing bladder according to claim 1, characterized in that: The upper mold (2) and the lower mold (4) are of a detachable structure, and a pressing mechanism (1) is provided at the upper end of the upper mold (2).

3. The molding die of the high thermal conductivity tire curing bladder according to claim 1, characterized in that: A plurality of mold cavities (9) are arranged inside the thermally conductive mold box (3), and the surfaces of the mold cavities (9) are coated with a high thermal conductive coating structure layer.

4. The molding die of the high thermal conductivity tire curing bladder according to claim 3, characterized in that: Four heat-conducting metal pads (8) are provided, and the heat-conducting metal pads (8) are located directly below the mold cavity (9), and the heat-conducting metal pads (8) are fixedly connected to the heat-conducting base (5) by screws.

5. The molding die of the high thermal conductivity tire curing bladder according to claim 1, characterized in that: A limiting frame (7) is provided between the lower mold (4) and the heat-conducting base (5), and the limiting frame (7) is mounted and fixed on the outer surface of the heat-conducting metal pad (8).

6. The molding die of the high thermal conductivity tire curing bladder according to claim 1, characterized in that: The sealing rubber ring (11) is wrapped around the outer surface wall of the upper cover plate (12), the mold box sealing ring (13) is correspondingly fitted and fixed to the heat-conducting mold box (3), and the limit card frame (14) is correspondingly fixedly connected to the limit frame (7) by screws.

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