Lower supporting plate for steam chamber of tire vulcanizing machine

Abstract

The utility model discloses a lower supporting plate for a steam chamber of a tire vulcanizer, which comprises a plate body, and the plate body comprises a first lower supporting plate arranged in the lower steam chamber and fixedly sleeved on the outer wall of a central mechanism and a second lower supporting plate arranged on an output shaft of a hydraulic cylinder and supported at the bottom of a mold. The first lower supporting plate and the second lower supporting plate are connected through a sealed convenient-to-disassemble-and-assemble mechanism, the sealed convenient-to-disassemble-and-assemble mechanism comprises a conical table arranged on the outer ring of the first lower supporting plate, and a conical hole matched with the conical table is formed in the inner wall of the second lower supporting plate; according to the utility model, through the arrangement of the sealing mechanism convenient to disassemble and assemble, the sealing cover assembly is opened, so that the pin rod of the spring bolt is separated from the limiting clamping groove, and the second lower supporting plate can be disassembled from the first lower supporting plate; the situation that the first lower supporting plate and the second lower supporting plate are connected through a bolt piece at present, screw slipping or rusting is likely to happen, and consequently dismounting cannot be achieved is avoided, and the situation that leakage is likely to happen due to the fact that the bolt piece is adopted for a long time and poor sealing performance is likely to happen is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to tire vulcanizing machine steam chamber technical field, concretely is a kind of lower bolster plate for tire vulcanizing machine steam chamber. BACKGROUND

[0002] The lower bolster plate of the hydraulic tire vulcanizing machine steam chamber is arranged between the piston rod of the force cylinder and the mold, for supporting the mold and fixing the center mechanism; during vulcanization, high-temperature and high-pressure steam is introduced into the chamber of the steam chamber as vulcanization medium, the mold and the lower bolster plate in the chamber are heated by the vulcanization medium to vulcanize the tire, and the steam chamber relies on various sealing structures to prevent steam from leaking outward. In the structure of the existing steam chamber (including upper steam chamber and lower steam chamber), the sealing position of the lower part is between the piston rod of the force cylinder and the lower steam chamber, and during maintenance, the lower bolster plate, the center mechanism and the related connecting pipeline need to be removed first, then the cover plate fixing the sealing ring is opened, and the sealing ring can be checked and maintained, and after maintenance is completed, the cover plate, the lower bolster plate and the center mechanism need to be installed back. Hoisting equipment and personnel are needed during the maintenance process.

[0003] According to the authorized Chinese patent with application number CN202223437346.7, a tire vulcanizing machine steam chamber split type lower bolster plate is disclosed, which includes a plate body, the plate body includes a lower ring plate I fixed on the center mechanism inside the lower steam chamber and a lower ring plate II supported on the bottom of the mold by the piston rod of the power cylinder, the lower ring plate I is coaxially installed in the ring hole of the lower ring plate II, and the upper and lower end faces of the lower ring plate I and the lower ring plate II are flush, and a sealing ring I is arranged between the mounting surfaces of the lower ring plate I and the lower ring plate II. The lower ring plate I and the lower ring plate II of the original technology are decomposed into the lower ring plate I and the lower ring plate II, the use function of the lower bolster plate is divided into two parts, and when replacing the sealing element of the piston rod of the force cylinder, only the lower ring plate II needs to be removed, which greatly reduces the time required for disassembly and assembly and greatly reduces the difficulty of maintenance operation. However, the lower ring plate I and the lower ring plate II are connected by bolts, which may rust or have slippage over time, causing instability or difficulty in disassembly, and the bolts may also have poor sealing performance over time, leading to leakage. UTILITY MODEL CONTENTS

[0004] To solve the defects in the prior art, the utility model provides a lower bolster plate for tire vulcanizing machine steam chamber.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] The utility model relates to a lower supporting plate for tire vulcanizing machine steam chamber, including the board body, the board body includes being located in the lower steam chamber inside and fixedly sleeving the first lower supporting plate of center mechanism outer wall and being located in the hydraulic cylinder output shaft and supporting the second lower supporting plate of mould bottom, the first lower supporting plate and the second lower supporting plate are connected through sealed detachable mechanism, the sealed detachable mechanism includes the conical table of being located in the outer ring of first lower supporting plate, the inner wall of second lower supporting plate is equipped with the conical hole matched with conical table, the inner wall of conical hole is equipped with concave annular groove, the inner wall of concave annular groove is equipped with limit slot, the outer wall of first lower supporting plate is embedded with spring latch, and the pin rod of spring latch is matched with limit slot, and the inside of concave annular groove is equipped with sealing cover assembly.

[0007] As a preferred technical scheme of the utility model, the sealing cover assembly comprises a first outer thread connection part arranged on the outer wall of the first lower supporting plate, and the outer wall of the first outer thread connection part is threadedly connected with a cover plate.

[0008] As a preferred technical scheme of the utility model, the outer wall of the cover plate is provided with a second outer thread part, and an inner thread connection part threadedly connected with the second outer thread part is arranged on the inner wall of the concave annular groove.

[0009] As a preferred technical scheme of the utility model, a first sealing gasket is arranged at the connection between the conical table and the conical hole.

[0010] As a preferred technical scheme of the utility model, a second sealing gasket is arranged between the cover plate and the concave annular groove.

[0011] As a preferred technical scheme of the utility model, the outer wall of the cover plate is provided with a plurality of driving blocks arranged in a ring shape and equidistantly distributed.

[0012] The utility model has the advantages of:

[0013] The lower supporting plate for tire vulcanizing machine steam chamber is provided with the sealing detachable mechanism, the sealing cover assembly is opened, the pin rod of the spring latch is separated from the limit slot, the second lower supporting plate can be detached from the first lower supporting plate, the situation that the first lower supporting plate and the second lower supporting plate are connected by bolts and cannot be detached due to thread slippage or rust is avoided, and the situation that the sealing property is poor and leakage occurs due to long use of the bolts is avoided. DRAWINGS

[0014] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation on the utility model.

[0015] Figure 1 It is the structural schematic diagram of the utility model kind of lower supporting plate for tire vulcanizing machine steam chamber.

[0016] Figure 2 The utility model relates to a lower supporting plate for a tire vulcanizing machine steam chamber Figure 1 Structure schematic view at A place in figure.

[0017] In the figure: 1, lower steam chamber;2, center mechanism;3, first lower supporting plate;4, hydraulic cylinder;5, second lower supporting plate;6, sealing and easy dismounting mechanism;7, conical table;8, conical hole;9, concave annular groove;10, limiting clamping groove;11, spring bolt;12, sealing cover assembly;13, first outer thread connecting part;14, cover plate;15, second outer thread part;16, inner thread connecting part;17, first sealing washer;18, second sealing washer;19, driving block. Specific implementation

[0018] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described here are only used for illustrating and explaining the utility model and are not used for limiting the utility model.

[0019] Embodiment: as shown in Figure 1 And Figure 2 The utility model discloses a lower supporting plate for a tire vulcanizing machine steam chamber, including the board body, the board body includes the first lower supporting plate 3 being arranged in the lower steam chamber 1 inside and being fixedly sleeved in the outer wall of center mechanism 2 and the second lower supporting plate 5 being arranged in the hydraulic cylinder 4 output shaft and being supported at the mould bottom, the first lower supporting plate 3 and the second lower supporting plate 5 are connected through sealing and easy dismounting mechanism 6;Sealing and easy dismounting mechanism 6 includes the conical table 7 being arranged at the outer ring of first lower supporting plate 3, the inner wall of second lower supporting plate 5 is equipped with the conical hole 8 matching with conical table 7, the inner wall of conical hole 8 is equipped with concave annular groove 9, the inner wall of concave annular groove 9 is equipped with limiting clamping groove 10, the outer wall of first lower supporting plate 3 is embedded with spring bolt 11, and the pin rod of spring bolt 11 is matched with limiting clamping groove 10, and the inside of concave annular groove 9 is equipped with sealing cover assembly 12, through the sealing and easy dismounting mechanism 6 that is equipped, opening sealing cover assembly 12 makes the pin rod of spring bolt 11 separate with limiting clamping groove 10, so that second lower supporting plate 5 can be disassembled from first lower supporting plate 3, avoid the current adoption bolt piece and connect first lower supporting plate 3 and second lower supporting plate 5 and easily appear silk or rust and lead to the condition of not being able to disassemble, and bolt piece is also possibly sealed badly and easily appears leakage after long time.

[0020] Among them, the sealing cover assembly 12 includes the first outer thread connecting part 13 being arranged at the outer wall of first lower supporting plate 3, the outer wall of first outer thread connecting part 13 is connected with cover plate 14 by screw thread, the outer wall of cover plate 14 is equipped with second outer thread part 15, the inner wall of concave annular groove 9 is equipped with inner thread connecting part 16 being connected with second outer thread part 15 by screw thread, and cover plate 14 is disassembled conveniently.

[0021] The connecting part of the conical table 7 and the conical hole 8 is provided with a first sealing washer 17, which plays a sealing role.

[0022] The connecting part of the cover plate 14 and the concave ring groove 9 is provided with a second sealing washer 18, which plays a sealing role.

[0023] The outer wall of the cover plate 14 is provided with a plurality of annular and equidistant driving blocks 19, which facilitate the rotation of the cover plate 14.

[0024] In operation, the lower plate of the steam chamber of the tire vulcanizing machine can be disassembled through the sealing and disassembling mechanism 6, the sealing cover assembly 12 is opened, the pin rod of the spring latch 11 is separated from the limiting clamping groove 10, the second lower plate 5 can be disassembled from the first lower plate 3, the situation that the first lower plate 3 and the second lower plate 5 are connected by bolts and cannot be disassembled due to slippage or rust is avoided, and the sealing performance of the bolts may be poor and leakage may occur after a long time.

[0025] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A lower support plate for the steam chamber of a tire vulcanizing machine, comprising a plate body, the plate body including a first lower support plate (3) disposed inside the lower steam chamber (1) and fixedly fitted onto the outer wall of a central mechanism (2), and a second lower support plate (5) disposed on the output shaft of a hydraulic cylinder (4) and supported at the bottom of a mold, characterized in that, The first lower support plate (3) and the second lower support plate (5) are connected by a sealing and easy-to-disassemble mechanism (6); The sealing and disassembly mechanism (6) includes a conical platform (7) on the outer ring of the first lower support plate (3), a conical hole (8) matching the conical platform (7) on the inner wall of the second lower support plate (5), a concave annular groove (9) on the inner wall of the concave annular groove (9), a limiting groove (10) on the inner wall of the concave annular groove (9), a spring pin (11) embedded on the outer wall of the first lower support plate (3), the pin of the spring pin (11) matching the limiting groove (10), and a sealing cover assembly (12) inside the concave annular groove (9).

2. The lower support plate for the steam chamber of a tire vulcanizing machine according to claim 1, characterized in that, The sealing cover assembly (12) includes a first external threaded connection part (13) provided on the outer wall of the first lower support plate (3), and a cover plate (14) is threadedly connected to the outer wall of the first external threaded connection part (13).

3. A lower support plate for the steam chamber of a tire vulcanizing machine according to claim 2, characterized in that, The outer wall of the cover plate (14) is provided with a second external thread (15), and the inner wall of the concave annular groove (9) is provided with an internal thread connection part (16) that is threadedly connected to the second external thread (15).

4. A lower support plate for the steam chamber of a tire vulcanizing machine according to claim 1, characterized in that, A first sealing gasket (17) is provided at the connection between the conical platform (7) and the conical hole (8).

5. A lower support plate for the steam chamber of a tire vulcanizing machine according to claim 2, characterized in that, A second sealing gasket (18) is provided between the cover plate (14) and the concave annular groove (9).

6. A lower support plate for the steam chamber of a tire vulcanizing machine according to claim 2, characterized in that, The outer wall of the cover plate (14) is provided with a plurality of driving blocks (19) arranged in a ring and equidistantly.

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