Vacuumizing tire mold

Abstract

The utility model provides a vacuumizing tire mold, which belongs to the technical field of tire vulcanizing devices and comprises a bottom plate. The arch-shaped seat is connected to the lower end of the bottom plate; the sliding block is connected to the bottom plate; the bolt is in threaded connection between the sliding block and the bottom plate; the sliding rod is connected to the arch-shaped seat and the sliding block in a sliding manner; and the mold sleeve is connected to the lower end of the bottom plate, and by using the vacuumized mold, internal air can be removed in the tire vulcanization process, so that generation of bubbles and cavities is reduced, and the air tightness and durability of the tire are improved. And the vacuum environment is also beneficial to more uniform distribution of the tire material in the vulcanization process, so that the uniformity and the overall quality of the tire are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tire vulcanization device technical field, concretely relates to a vacuumizing tire mould. BACKGROUND

[0002] When the tire blank is vulcanized in the tire mould, the gas between the tire blank and the mould cavity surface needs to be extruded by the shaping of the vulcanization capsule and discharged through a large number of exhaust holes designed and processed on the tire mould. When the mould profile shape design, tire pattern design, air hole position and number design are unreasonable, the gas pocket phenomenon is prone to occur due to the influence of the flowability of the rubber material, causing the tire to be scrapped due to lack of rubber. The vacuumizing mould can extract the gas between the tire blank and the mould surface in advance, form a relative vacuum between the tire blank and the mould cavity surface, and avoid the tire gas pocket and uneven vulcanization. Vulcanizing the tire by using the vacuumizing mould can also reduce the number of mould air holes, make the tire appearance more beautiful, reduce the maintenance cost of the air hole sleeve, reduce the trimming of the tire hair, and save the rubber material cost.

[0003] The application number "CN202122021124.6" records a kind of vacuumizing tire mould, the sealing device of upper sealing cover, base, guide ring, upper cover, lower side plate of tire mould is optimized, especially the sealing ring is set on the vertical surface of the cooperation surface of base and lower side plate, so that the sealing effect of base and lower side plate is significantly improved, the problem that the radial exhaust groove arranged at the bottom surface cooperation surface of lower side plate of tire mould affects sealing effect is improved. Gas extraction holes are respectively arranged on the base above the guide ring and below the guide ring, to ensure that the vacuumizing module can be used on different vulcanizing machines with different pressurizing modes. The dovetail groove design is adopted at the sealing ring, to improve the installation firmness of the sealing ring, reduce the risk of cutting the sealing ring when the sealing ring falls off the mould, ensure the sealing effect and reduce the use cost.

[0004] The above-mentioned patent sets gas extraction holes on the base above the guide ring and below the guide ring, to ensure that the vacuumizing module can be used on different vulcanizing machines with different pressurizing modes. The dovetail groove design is adopted at the sealing ring, to improve the installation firmness of the sealing ring, reduce the risk of cutting the sealing ring when the sealing ring falls off the mould, ensure the sealing effect and reduce the use cost.

[0005] However, the above-mentioned patent cannot effectively remove the internal air during the tire vulcanization process, so that the generation of air bubbles and cavities affects the quality of the tire product and the production efficiency. UTILITY MODEL CONTENTS

[0006] The utility model aims to provide a kind of vacuumizing tire mould, to solve the problem that the internal air cannot be effectively removed during the tire vulcanization process in prior art, so that the generation of air bubbles and cavities affects the quality of the tire product and the production efficiency.

[0007] In order to achieve the above object, the utility model provides the following technical scheme:

[0008] A kind of vacuumizing tire mould, comprising:

[0009] Bottom plate;

[0010] Arcuate seat, the arcuate seat is connected to the lower end of bottom plate;

[0011] Sliding block, the sliding block is connected on bottom plate;

[0012] Bolt, the bolt is threadedly connected between sliding block and bottom plate;

[0013] Slide rod, the slide rod is slidably connected on arcuate seat and sliding block;

[0014] Mould sleeve, the mould sleeve is connected to the lower end of bottom plate.

[0015] As a preferred scheme of the utility model, the bottom plate and mould sleeve are connected with rubber ring.

[0016] As a preferred scheme of the utility model, the upper end of bottom plate is provided with notch, and connecting disc is fixedly connected in the notch.

[0017] As a preferred scheme of the utility model, the upper end of bottom plate is fixedly connected with second top plate, and the upper end of second top plate is fixedly connected with inner support and outer support.

[0018] As a preferred scheme of the utility model, the upper end of second top plate is fixedly connected with first top plate, and arc-shaped groove is formed in first top plate.

[0019] As a preferred scheme of the utility model, the upper end of second top plate is fixedly connected with arc-shaped plate, and arc-shaped plate is matched with arc-shaped groove.

[0020] Compared with prior art, the utility model has the beneficial effects that:

[0021] 1、In the scheme, by using the mould of vacuumizing, the internal air can be removed during the tire forming process, thereby reducing the generation of bubbles and cavities, improving the air tightness and durability of the tire. The vacuum environment also helps the tire material to be more evenly distributed during the vulcanization process, thereby improving the uniformity and overall quality of the tire.

[0022] 2、In the scheme, the design of the mould allows faster vacuum extraction and recovery, reducing the waiting time during the vulcanization process. At the same time, the temperature control of the mould and the optimization of the vulcanization time help to improve the production efficiency. In addition, the maintenance and cleaning of the mould are also more convenient, reducing the downtime, thereby improving the overall efficiency of the production line. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0024] Figure 1 It is a perspective view of the present application;

[0025] Figure 2 It is an exploded view of the present application;

[0026] Figure 3 It is a perspective view of the present application Figure 2 It is an enlarged view of the middle arcuate seat;

[0027] Figure 4 It is a perspective view of the present application Figure 3 It is a partial enlarged view of A in the present application.

[0028] In the drawing: 1, bottom plate; 2, arcuate seat; 3, sliding block; 4, sliding rod; 5, notch; 6, connecting disc; 7, first top plate; 8, arc-shaped groove; 9, arc-shaped plate; 10, second top plate; 11, inner support; 12, outer support; 13, mold sleeve; 14, rubber ring; 15, bolt. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] Embodiment 1

[0031] Please refer to Figures 1-4 The present application provides the following technical solutions:

[0032] A vacuumizing tire mold, comprising:

[0033] A bottom plate 1;

[0034] An arcuate seat 2 connected to the lower end of the bottom plate 1;

[0035] A sliding block 3 connected to the bottom plate 1;

[0036] A bolt 15 threadedly connected between the sliding block 3 and the bottom plate 1;

[0037] A sliding rod 4 slidingly connected to the arcuate seat 2 and the sliding block 3;

[0038] Mold sleeve 13, the lower end of the bottom plate 1 is connected.

[0039] In the embodiment of the utility model, the bottom plate 1 is used as the reference surface and support structure of the mold, providing a stable foundation for other parts of the mold. The arcuate seat 2 is connected to the lower end of the bottom plate 1, and is used to provide a fulcrum or guiding effect to maintain the stability of the mold during the tire molding process. The slider 3 is connected to the bottom plate 1 and is fixed to the bottom plate 1 by the bolt 15. The function of the slider is to provide movement or adjust the position of the mold components. The bolt 15 is threadedly connected between the slider 3 and the bottom plate 1, and is used to fix the slider, maintain the accuracy and stability of the mold. The slide rod 4 is slidingly connected to the arcuate seat 2 and the slider 3, and is used to allow the mold to move within a certain range to facilitate the tire molding process. The mold sleeve 13 is connected to the lower end of the bottom plate 1, and is used to form the final shape of the tire. It is connected to the lower end of the bottom plate and participates in the vacuum extraction process of the mold.

[0040] For details, please refer to Figures 1-3 The rubber ring 14 is connected between the bottom plate 1 and the mold sleeve 13.

[0041] In this embodiment, the rubber ring 14 plays a sealing role, ensuring that the inside of the mold can maintain a certain pressure and vacuum state during the tire molding process, which is crucial for uniform vulcanization and final shape retention of the tire. The rubber ring 14 can absorb the vibration caused by pressure changes during the molding process, reducing the direct impact between the mold and the bottom plate, thereby improving the service life and stability of the mold.

[0042] For details, please refer to Figures 2-4 The upper end of the bottom plate 1 is provided with a notch 5, and the connecting disc 6 is fixedly connected in the notch 5.

[0043] In this embodiment, the notch 5 is provided on the bottom plate 1 to accommodate the connecting disc 6 and allow a certain range of movement. The design of the notch takes into account the convenience of installation and replacement of the connecting disc, as well as coordination with other parts of the mold. The connecting disc 6 is located in the notch 5 and is stably connected to the bottom plate 1 by fixed connection methods such as bolts, welding, etc.

[0044] For details, please refer to Figure 2 The upper end of the bottom plate 1 is fixedly connected with the second top plate 10, and the upper end of the second top plate 10 is fixedly connected with the inner support 11 and the outer support 12.

[0045] In this embodiment, the base plate 1 serves as the base part of the mold, providing a stable support platform. The notches 5 and connecting plates 6 and other structures on the base plate are used to connect with other parts of the mold, ensuring the accuracy and stability of the mold. The second top plate 10 is located at the upper end of the base plate 1 and is fixedly connected to the base plate. The second top plate 10 serves as a closure, forming an upper structure of the mold, and is also used to install other accessories or connect with the curing machine and other equipment. The inner support 11 is fixedly connected to the upper end of the second top plate 10 and is an internal structure of the mold, used to support internal components of the mold such as heating plates, cooling devices, etc., or to guide the flow of tire material. The outer support 12 is also fixedly connected to the upper end of the second top plate 10 and is an external structure of the mold, used to connect with the tire curing machine or other external equipment, transmit power or signals, or support the position of the mold in the curing machine.

[0046] For details, please refer to Figure 2 The upper end of the second top plate 10 is fixedly connected with the first top plate 7, and the arc-shaped slot 8 is provided on the first top plate 7.

[0047] In this embodiment, the second top plate 10 serves as an upper structure of the mold, and is located at the lower end of the first top plate 7 and fixedly connected to the first top plate. It serves as a closure, forming an upper cofferdam of the mold to maintain the pressure or vacuum state inside the mold.

[0048] The first top plate 7 is located at the upper end of the second top plate 10 and is fixedly connected to the second top plate 10. It is an internal structure of the mold, used to support internal components of the mold such as heating plates, cooling devices, etc., or to guide the flow of tire material. The arc-shaped slot 8 is provided on the first top plate 7, and its shape and position are related to the design of the tire mold.

[0049] For details, please refer to Figures 1-4 The upper end of the second top plate 10 is fixedly connected with the arc-shaped plate 9, and the arc-shaped plate 9 matches the arc-shaped slot 8.

[0050] In this embodiment, the arc-shaped plate 9 is located at the upper end of the second top plate 10 and is fixedly connected to the second top plate. The arc-shaped plate 9 is an internal structure of the mold, used to support specific internal components of the mold such as heating plates, cooling devices, etc., or to guide the flow of tire material. The arc-shaped slot 8 is provided on the first top plate 7, and its shape and position are related to the design of the tire mold.

[0051] The working principle and use process of the utility model are as follows: firstly, ensure that all components of the mold are clean and undamaged. Check whether each component of the mold is correctly installed, such as the bottom plate 1, the arc-shaped seat 2, the sliding block 3, the bolt 15, the sliding rod 4, the mold sleeve 13, the rubber ring 14, the connecting disc 6, the second top plate 10, the inner support 11, the outer support 12, the first top plate 7 and the arc-shaped plate 9. Place the tire embryo that is not vulcanized on the bottom plate 1 of the mold. Ensure that the tire embryo is correctly positioned in the mold to adapt to the shape and size of the mold. Connect the mold with the vulcanizing machine, ensure that the vacuum pipeline of the mold is correctly connected with the vacuum system of the vulcanizing machine, start the vulcanizing machine, and extract the air in the mold through the vacuum system to form a vacuum environment. After the vacuum degree reaches the set value, keep the vacuum state, and let the tire embryo deform and vulcanize in the vacuum environment. The mold sleeve 13 and the top plate 10 contain heating elements to provide the heat required in the vulcanization process. According to the tire specifications and the vulcanization process requirements, adjust the temperature of the mold. According to the tire design and production requirements, keep a certain vulcanization time. After the vulcanization time ends, stop heating and vacuum extraction. Gradually restore the pressure in the mold to make the tire embryo naturally expand. Wait for the tire to cool down to a temperature at which it can be safely removed. Remove the tire embryo on the mold, and check the quality of the tire.

[0052] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A vacuum drawing tire mold characterized by, Include: Base plate (1); Arcuate seat (2), the arcuate seat (2) is connected to the lower end of base plate (1); Slider (3), the slider (3) is connected to base plate (1); Bolt (15), the bolt (15) is screwed between slider (3) and base plate (1); Slide rod (4), the slide rod (4) is slidingly connected to arcuate seat (2) and slider (3); Mold sleeve (13), the mold sleeve (13) is connected to the lower end of base plate (1).

2. A vacuumizing tire mold according to claim 1, wherein: The rubber ring (14) is connected between the base plate (1) and the mold sleeve (13).

3. A vacuumizing tire mold according to claim 2, wherein: The upper end of the base plate (1) is provided with a notch (5), and the notch (5) is fixedly connected with a connecting disc (6).

4. A vacuumizing tire mold according to claim 3, wherein: The upper end of the base plate (1) is fixedly connected with a second top plate (10), and the upper end of the second top plate (10) is fixedly connected with an inner support (11) and an outer support (12).

5. A vacuumizing tire mold according to claim 4, wherein: The upper end of the second top plate (10) is fixedly connected with a first top plate (7), and the first top plate (7) is provided with an arc-shaped groove (8).

6. A vacuumizing tire mold according to claim 5 wherein: The upper end of the second top plate (10) is fixedly connected with an arc-shaped plate (9), and the arc-shaped plate (9) is matched with the arc-shaped groove (8).

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