Tire vulcanizing machine

Abstract

The utility model provides a tire vulcanizing machine which comprises a base, a lower steam chamber arranged on the base, an upper steam chamber arranged above the lower steam chamber, a supporting plate assembly arranged in the lower steam chamber, and a driving device arranged on the base and suitable for driving the supporting plate assembly to ascend and descend. A mounting notch is formed in the upper end face of the periphery of the supporting plate assembly, a sealing piece is mounted in the mounting notch through a fixing assembly, the sealing piece is provided with a base part, a fixing part arranged on the inner side of the base part and a sealing part arranged on the outer side of the base part, the sealing part is higher than the fixing part, the fixing assembly presses the fixing part, and the sealing part abuts against the inner wall of the lower steam chamber; the upper steam chamber, the lower steam chamber, the supporting plate assembly and the sealing piece jointly define a vulcanization chamber, and the vulcanization chamber is suitable for containing a tire mold; the sealing element is convenient to overhaul and replace, the sealing reliability is improved, and the service life is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of tire vulcanization equipment, and particularly relates to a tire vulcanizer Background Art

[0002] For the current hydraulic steam kettle vulcanizer, a sealing ring needs to be added between the inner wall of the steam chamber and the pallet moving up and down to prevent steam from leaking to the bottom of the pot. The current sealing ring has a trapezoidal structure that is symmetric left and right and has an upward opening. The service life of this structure of the sealing ring is low (the contact area is small and the compression amount is low). In addition, during the up and down movement with the pallet, it is seriously air-leaking and easy to fall off after being damaged. If not discovered in time, it will cause defective tires or even waste tires Content of the Utility Model

[0003] In order to solve the technical problems of low service life and easy detachment of the sealing ring, the utility model provides a tire vulcanizer, which includes a base, a lower steam chamber is arranged on the base, an upper steam chamber is arranged above the lower steam chamber, and it is characterized in that a pallet assembly is arranged in the lower steam chamber, a driving device is arranged on the base, and the driving device is suitable for driving the pallet assembly to lift

[0004] An installation notch is opened on the upper end surface of the outer periphery of the pallet assembly, a sealing member is installed in the installation notch through a fixing component, the sealing member has a base portion, a fixing portion arranged inside the base portion, and a sealing portion arranged outside the base portion, the height of the sealing portion is higher than that of the fixing portion, the fixing component presses the fixing portion, and the sealing portion abuts against the inner wall of the lower steam chamber

[0005] The upper steam chamber, the lower steam chamber, the pallet assembly and the sealing member jointly define a vulcanization chamber, and a tire mold is suitable for being placed in the vulcanization chamber

[0006] Optionally, the fixing component includes a plurality of pressing plates arranged circumferentially and fastening components, the fastening components penetrate through the pressing plates and are connected with the pallet assembly, and the pressing plates extend into the installation notch and press the fixing portion above

[0007] Optionally, the pressing plate is provided with fixing holes, the fixing holes are oblong holes arranged radially, or the inner diameter of the fixing holes is greater than the outer diameter of the fastening components

[0008] Optionally, the fixing component includes a pressing ring and a plurality of fastening components arranged circumferentially, the fastening components penetrate through the pressing ring and are connected with the pallet assembly, and the pressing ring extends into the installation notch and presses the fixing portion above

[0009] Optionally, a V-shaped groove is formed between the sealing portion and the fixing portion, and the pressing ring or the pressing plate extends above the V-shaped groove

[0010] Optionally, the outer sidewall of the sealing portion inclines towards the lower steam chamber, and the outer sidewall of the fixing portion inclines away from the sealing portion.

[0011] Optionally, an inclined surface opposite to the inner sidewall of the sealing portion is provided on the outer side of the lower end surface of the pressure ring or the pressing plate.

[0012] Optionally, the inclined surface is parallel to the inner sidewall of the sealing portion.

[0013] Optionally, the tray assembly includes a substrate, a heat insulation plate is provided on the substrate, and / or an installation ring seat is provided on the outer periphery of the substrate, and the installation notch is provided on the upper end surface of the outer periphery of the installation ring seat.

[0014] Optionally, the fastening member includes a stud, and a fastening nut is screwed on the upper end of the stud.

[0015] The technical solution provided by the present utility model has the following advantages compared with the prior art:

[0016] The seal is arranged on the upper end surface of the tray assembly, which is convenient for overhauling and replacing the seal.

[0017] The seal is a left-right asymmetric structure. The sealing portion is higher than the fixing portion, and a V-shaped groove is formed between the sealing portion and the fixing portion. Moreover, the outer sidewall of the sealing portion inclines towards the inner wall of the lower steam chamber and contacts the inner wall of the lower steam chamber, and the outer sidewall of the fixing portion inclines away from the sealing portion, and it is fixed on the tray assembly by using a pressure ring or a pressing plate. Compared with the traditional seal, the sealing portion fits the inner sidewall of the lower steam chamber in the natural state, and the sealing portion has elastic deformation in the radial direction, reducing the compression amount of the seal, and being able to maintain the seal through its own elastic deformation in the radial direction after the seal is worn, improving the reliability and service life of the seal.

[0018] A V-shaped groove is formed between the sealing portion and the fixing portion, and the V-shaped opening is upward. As the pressure in the vulcanization chamber increases, the seal fits more closely with the inner sidewall of the lower steam chamber, which can effectively avoid steam leakage and improve the service life of the seal.

[0019] The pressure ring or the pressing plate extends above the V-shaped groove. Further, an inclined surface opposite to the inner sidewall of the sealing portion is provided on the outer side of the lower end surface of the pressure ring or the pressing plate. The inclined surface is preferably parallel to the inner sidewall of the sealing portion, which not only presses the seal but also prevents the seal from falling off during the movement process. Description of the Drawings

[0020] To more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure of the tire vulcanizer of the present utility model;

[0022] Figure 2 It is a schematic diagram of the structure at position A of the tire vulcanizer of the present utility model;

[0023] Figure 3 It is a schematic diagram of the structure of the seal of the tire vulcanizer of the present utility model.

[0024] Explanation of reference numerals:

[0025] 1 - Base, 2 - Lower steam chamber, 3 - Upper steam chamber, 4 - Support plate assembly, 41 - Substrate, 42 - Heat insulation plate, 43 - Installation ring seat, 5 - Driving device, 6 - Seal, 61 - Base portion, 62 - Fixed portion, 63 - Sealing portion, 7 - Pressure plate, 8 - Fastening component, 9 - Fixed hole, 10 - Pressure ring, 11 - Inclined surface. Specific embodiments

[0026] The following will clearly and completely describe the technical solutions of the present utility model in conjunction with the drawings. Obviously, the described embodiments are some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0027] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0029] In addition, the technical features involved in different embodiments of the present utility model described below can be combined with each other as long as they do not conflict with each other.

[0030] The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

[0031] Please refer to Figures 1 - 3 , a tire vulcanizer provided by the present utility model includes a base 1, a lower steam chamber 2 is arranged on the base 1, an upper steam chamber 3 is arranged above the lower steam chamber 2. It is characterized in that a pallet assembly 4 is arranged in the lower steam chamber 2, a driving device 5 is arranged on the base 1, and the driving device 5 is adapted to drive the pallet assembly 4 to lift and lower. The driving device 5 can be an oil cylinder;

[0032] An installation notch is formed on the upper end surface of the outer periphery of the pallet assembly 4, and a seal 6 is installed in the installation notch through a fixing component. The seal 6 includes a base portion 61, a fixing portion 62 arranged inside the base portion 61, and a sealing portion 63 arranged outside the base portion 61. The height of the sealing portion 63 is higher than that of the fixing portion 62. The fixing component presses and fixes the fixing portion 62, and the sealing portion 63 abuts against the inner wall of the lower steam chamber 2;

[0033] The upper steam chamber 3, the lower steam chamber 2, the pallet assembly 4 and the seal 6 jointly define a vulcanization chamber, and a tire mold is suitable for being placed in the vulcanization chamber.

[0034] The fixing component includes a plurality of pressing plates 7 arranged circumferentially and fastening components 8. The fastening components 8 penetrate through the pressing plates 7 and are connected to the pallet assembly 4. The pressing plates 7 extend into the upper part of the installation notch to press and fix the fixing portion 62.

[0035] The pressing plate 7 is provided with a fixing hole 9. The fixing hole 9 is an oblong hole arranged radially, or the inner diameter of the fixing hole 9 is larger than the outer diameter of the fastening component 8. The positions of the pressing plates 7 can be appropriately adjusted in the radial direction to better fix the seal 6.

[0036] The fixing component includes a pressing ring 10 and a plurality of fastening components 8 arranged circumferentially. The fastening components 8 penetrate through the pressing ring 10 and are connected to the pallet assembly 4. The pressing ring 10 extends into the upper part of the installation notch to press and fix the fixing portion 62, which can more quickly disassemble, maintain, and replace the seal 6.

[0037] The seal 6 is a sealing ring, a V-shaped groove is formed between the sealing part 63 and the fixing part 62, and the pressure ring 10 or the pressing plate 7 extends above the V-shaped groove.

[0038] The outer side wall of the sealing part 63 inclines towards the lower steam chamber 2, and the outer side wall of the fixing part 62 inclines away from the sealing part 63.

[0039] On the outer side of the lower end surface of the pressure ring 10 or the pressing plate 7, there is an inclined surface 11 opposite to the inner side wall of the sealing part 63.

[0040] The inclined surface 11 is parallel to the inner side wall of the sealing part 63.

[0041] The tray assembly 4 includes a base plate 41, a heat insulation plate 42 is arranged on the base plate 41, and / or an installation ring seat 43 is arranged on the outer periphery of the base plate 41, and an installation notch is arranged on the upper end surface of the outer periphery of the installation ring seat 43.

[0042] The fastening member 8 includes a stud, and a fastening nut is screwed on the upper end of the stud. In other embodiments, the fastening member 8 can also be a fastening screw or other components.

[0043] A sealing ring is arranged between the lower steam chamber 2 and the upper steam chamber 3, and the lower steam chamber 2 and the upper steam chamber 3 are locked by components such as snap rings.

[0044] The technical solution provided by the present utility model has the following advantages compared with the prior art:

[0045] The seal 6 is arranged on the upper end surface of the tray assembly 4, which is convenient for overhauling and replacing the seal 6.

[0046] The seal 6 is a left-right asymmetric structure. The sealing part 63 is higher than the fixing part 62, a V-shaped groove is formed between the sealing part 63 and the fixing part 62, and the outer side wall of the sealing part 63 inclines towards the inner wall of the lower steam chamber 2 and contacts the inner wall of the lower steam chamber 2. The outer side wall of the fixing part 62 inclines away from the sealing part 63, and it is fixed on the tray assembly 4 by using the pressure ring 10 or the pressing plate 7. Compared with the traditional seal 6, the sealing part 63 fits the inner side wall of the lower steam chamber 2 in the natural state, and the sealing part 63 has elastic deformation in the radial direction, reducing the compression amount of the seal 6, and being able to maintain the seal through its own elastic deformation in the radial direction after the seal 6 is worn, improving the reliability and service life of the seal.

[0047] A V-shaped groove is formed between the sealing part 63 and the fixing part 62, and the V-shaped opening is upward. As the pressure in the vulcanization chamber increases, the seal 6 fits more tightly with the inner side wall of the lower steam chamber 2, which can effectively avoid steam leakage and improve the service life of the seal 6.

[0048] The pressing ring 10 or the pressing plate 7 extends above the V-shaped groove. The pressing ring 10 or the pressing plate 7 is preferably 1-3 mm away from the inner wall of the sealing portion 63. When they are in contact, they can support the seal 6 to prevent the seal 6 from falling off. Further, an inclined surface 11 opposite to the inner wall of the sealing portion 63 is provided on the outer side of the lower end surface of the pressing ring 10 or the pressing plate 7. The inclined surface 11 is preferably parallel to the inner wall of the sealing portion 63, which not only presses the seal 6 but also prevents the seal 6 from falling off during movement.

[0049] The above are only specific embodiments of the present disclosure, enabling those skilled in the art to understand or implement the present disclosure. Various modifications to these embodiments will be obvious to those skilled in the art. The general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present disclosure. Therefore, the present disclosure will not be limited to these embodiments described herein, but rather will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tire vulcanizer, comprising a base (1), a lower steam chamber (2) being arranged on the base (1), an upper steam chamber (3) being arranged above the lower steam chamber (2), characterized in that: A support plate assembly (4) is arranged in the lower steam chamber (2), and a driving device (5) is arranged on the base (1), wherein the driving device (5) is suitable for driving the support plate assembly (4) to rise and fall; An installation notch is provided on the upper end surface of the outer periphery of the support plate assembly (4), and a sealing member (6) is installed in the installation notch via a fixing assembly. The sealing member (6) comprises a base (61), a fixing member (62) arranged on the inner side of the base (61), and a sealing member (63) arranged on the outer side of the base (61). The height of the sealing member (63) is higher than that of the fixing member (62). The fixing assembly presses the fixing member (62), and the sealing member (63) abuts against the inner wall of the lower steam chamber (2). The upper steam chamber (3), the lower steam chamber (2), the support plate assembly (4) and the sealing member (6) together define a vulcanization chamber, and the vulcanization chamber is suitable for placing a tire mold.

2. A tire vulcanizer according to claim 1, characterized in that: The fixing assembly comprises a plurality of circumferentially arranged pressure plates (7) and fastening components (8); the fastening components (8) penetrate the pressure plates (7) and are connected to the support plate assembly (4); the pressure plates (7) extend into the upper part of the installation notch to press the fixing portion (62).

3. A tire vulcanizer according to claim 2, characterized in that: The pressing plate (7) is provided with a fixing hole (9), and the fixing hole (9) is an oblong hole arranged in a radial direction, or the inner diameter of the fixing hole (9) is greater than the outer diameter of the fastening component (8).

4. A tire vulcanizer according to claim 1, characterized in that: The fixing assembly comprises a pressure ring (10) and a plurality of circumferentially arranged fastening components (8), wherein the fastening components (8) penetrate the pressure ring (10) and are connected to the support plate assembly (4), and the pressure ring (10) extends into the upper part of the installation notch to press the fixing portion (62).

5. A tire vulcanizer according to claim 4, characterized in that: A V-shaped groove is formed between the sealing portion (63) and the fixing portion (62), and the pressure ring (10) or the pressure plate (7) extends above the V-shaped groove.

6. A tire vulcanizer according to claim 5, characterized in that: The outer wall of the sealing portion (63) is inclined toward the side of the lower steam chamber (2), and the outer wall of the fixing portion (62) is inclined toward the side away from the sealing portion (63).

7. A tire vulcanizer according to claim 6, characterized in that: An inclined surface (11) opposite to the inner side wall of the sealing portion (63) is provided on the outer side of the lower end surface of the pressure ring (10) or the pressure plate (7).

8. A tire vulcanizer according to claim 7, characterized in that: The inclined surface (11) is parallel to the inner side wall of the sealing portion (63).

9. A tire vulcanizer according to claim 1, characterized in that: The support plate assembly (4) comprises a base plate (41), a heat insulation plate (42) is arranged on the base plate, and / or a mounting ring seat (43) is arranged on the periphery of the base plate, and the mounting notch is arranged on the upper end surface of the periphery of the mounting ring seat (43).

10. A tire vulcanizer according to any one of claims 2 to 4, characterized in that: The fastening component (8) comprises a stud, and a fastening nut is threadedly connected to the upper end of the stud.

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