Opening and closing mechanism for tire vulcanization mold

Abstract

The utility model discloses a tire vulcanization mold opening and closing mechanism, which relates to the technical field of mold opening and closing mechanisms, and comprises a base, the base is fixedly connected with a fixed seat, the fixed seat is fixedly connected with a support frame, the support frame is rotatably connected with a first threaded rod, and the first threaded rod is in threaded connection with a lifting plate. The lifting plate is fixedly connected with an upper mold base, an upper mold is installed in the upper mold base, the base is fixedly connected with a supporting rod, the supporting rod is fixedly connected with a lower mold base, a lower mold is installed in the lower mold base, the upper mold base is provided with a heating mechanism, the base is provided with a sealing mechanism, and the base is provided with a demolding mechanism. According to the utility model, by arranging the sealing mechanism, each part of the tire is ensured to be uniformly heated and pressed, so that the overall quality and the performance consistency of the tire are improved, and faults and pauses caused by poor sealing are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mold opening and closing mechanisms, in particular to an opening and closing mechanism for a tire vulcanization mold. Background Art

[0002] A tire is produced by molding and vulcanizing a green tire (unvulcanized tire) in a vulcanizing mold of a vulcanizer. After the tire curing bladder is inflated, it fits against the inner surface of the green tire, and the outer surface of the green tire fits against the external mold. Under high temperature and high pressure, after a period of vulcanization, a tire is produced. The tire curing bladder is equivalent to the inner mold for manufacturing the tire, which realizes the vulcanization and shaping of the tire.

[0003] During the tire vulcanization process, high temperature, high pressure and complex chemical environment place high demands on sealing performance. If the seal is not tight, it may cause leakage of steam, gas, etc., affecting the vulcanization quality and production efficiency, and even causing safety hazards. Utility Model Content

[0004] The purpose of the utility model is to solve the problems in the background technology and to propose a tire vulcanization mold opening and closing mechanism.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] The tire vulcanization mold opening and closing mechanism includes a base, the top of the base is fixedly connected to a fixed seat, the top of the fixed seat is fixedly connected to a support frame, the support frame is rotatably connected to a first threaded rod, the support frame is fixedly connected to two first sliding rods, the top of the support frame is fixedly installed with a first motor, the first threaded rod is threadedly connected to a lifting plate, the end of the lifting plate away from the first threaded rod is fixedly connected to an upper mold base, an upper mold is installed in the upper mold base, four support rods are fixedly connected to the top of the base, the top of the support rods is fixedly connected to a lower mold base, a lower mold is installed in the lower mold base, a heating mechanism is installed on the upper mold base, a sealing mechanism is installed on the base, and a demolding mechanism is installed on the base.

[0007] Preferably, the demolding mechanism includes a second cylinder fixedly mounted on the base, the telescopic end of the cylinder fixedly connected to the mounting base, the top of the mounting base fixedly mounted with a second motor, the second motor rotatably connected to the rotating shaft through a gear transmission assembly, the top of the rotating shaft fixedly connected with a third cylinder, the telescopic end of the third cylinder fixedly connected to the first fixed plate, the side walls at both ends of the first fixed plate rotatably connected to the second threaded rod, the side walls at both ends of the first fixed plate fixedly connected to two second sliding rods for assistance, the second threaded rod is threadedly connected to a pushing clamp, and two third motors for rotating the second threaded rod are installed at one end of the second threaded rod away from the first fixed plate.

[0008] Preferably, the heating mechanism includes a first steam generator installed on the top of the upper mold base, a first steam nozzle is fixedly connected to the bottom of the first steam generator, and the first steam nozzle passes through the upper mold base, a second steam generator is fixedly installed on the bottom of the lower mold, a second steam nozzle is fixedly connected to the top of the second steam generator, and the second steam nozzle passes through the lower mold base.

[0009] Preferably, the sealing mechanism comprises two first cylinders mounted on the top of the base via a connecting rod, and the telescopic ends of the first cylinders are fixedly connected to sealing members.

[0010] Preferably, the gear transmission assembly includes a first gear mounted on the telescopic end of the second motor, the rotating shaft sleeve is provided with a second gear, and the first gear is meshed with the second gear.

[0011] Preferably, the first threaded rod is fixedly connected to the output end of the first motor, and the pushing fixture is slidably connected to the second sliding rod.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model can prevent the leakage of vulcanization medium by setting a sealing mechanism, ensuring that all parts of the tire are evenly heated and pressurized, thereby improving the overall quality and performance consistency of the tire, reducing failures and pauses caused by poor sealing, making the production process smoother and more coherent, and effectively improving production efficiency.

[0014] 2. The utility model is provided with a demoulding mechanism, which can quickly and smoothly separate the vulcanized tire from the mold, shortening the production cycle, adapting to the demoulding requirements of tires of different specifications and types, and improving production adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a left-side structural schematic diagram of the tire vulcanization mold opening and closing mechanism proposed in the present invention;

[0016] Figure 2 This is a right side sectional structural diagram of the tire vulcanization mold opening and closing mechanism proposed in the present invention;

[0017] Figure 3 This is a schematic cross-sectional structural diagram of the upper mold portion of the tire vulcanization mold opening and closing mechanism proposed in the present invention;

[0018] Figure 4 for Figure 1 A schematic diagram of the enlarged structure at point A;

[0019] Figure 5 for Figure 2 Schematic diagram of the enlarged structure at point B.

[0020] In the figure: 1 base, 2 fixed base, 3 support frame, 4 first slide rod, 5 first threaded rod, 6 first motor, 7 lifting plate, 8 upper mold base, 9 first steam generator, 10 first steam nozzle, 11 upper mold, 12 support rod, 13 second steam generator, 14 lower mold base, 15 lower mold, 16 second steam nozzle, 17 first cylinder, 18 sealing member, 19 second cylinder, 20 mounting base, 21 second motor, 22 first gear, 23 second gear, 24 rotating shaft, 25 third cylinder, 26 first fixed plate, 27 second slide rod, 28 second threaded rod, 29 pushing fixture, 30 third motor. DETAILED DESCRIPTION

[0021] 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 the embodiments.

[0022] Reference Figure 1-5 , the tire vulcanization mold opening and closing mechanism includes a base 1, the top of the base 1 is fixedly connected to a fixed seat 2, the top of the fixed seat 2 is fixedly connected to a support frame 3, the support frame 3 is C-shaped, the support frame 3 is rotatably connected to a first threaded rod 5, the first threaded rod 5 is rotatably connected to the top of the fixed seat 2, the support frame 3 is fixedly connected to two first slide rods 4, the first slide rod 4 is fixedly connected to the top of the fixed seat 2, a first motor 6 is fixedly installed on the top of the support frame 3, the first threaded rod 5 is threadedly connected to a lifting plate 7, the first slide rod 4 is slidably connected to the lifting plate 7, and the first threaded rod 5 and the first slide rod 4 pass through the lifting plate 7;

[0023] The lifting plate 7 is fixedly connected to an upper die base 8 at one end away from the first threaded rod 5. The upper die base 8 is cylindrical with circular openings at the top and bottom. An upper die 11 is installed in the upper die base 8, and the die 11 is in the circular opening at the bottom. Four support rods 12 are fixedly connected to the top of the base 1. The top of the support rods 12 is fixedly connected to a lower die base 14. A circular opening is opened at the top of the lower die base 14. A lower die 15 is installed in the lower die base 14, and the lower die 15 is in the circular opening at the top. A heating mechanism is installed in the upper die base 8, a sealing mechanism is installed in the base 1, and a demoulding mechanism is installed in the base 1;

[0024] The demoulding mechanism includes a second cylinder 19 fixedly mounted on the base 1, the telescopic end of the cylinder 19 is fixedly connected to the mounting base 20, and a second motor 21 is fixedly mounted on the top of the mounting base 20, the second motor 21 is rotatably connected to the rotating shaft 24 through a gear transmission assembly, the rotating shaft 24 is rotatably connected to the mounting base 20, and the top of the rotating shaft 24 is fixedly connected to the third cylinder 25, the telescopic end of the third cylinder 25 is fixedly connected to the first fixed plate 26, and the side walls at both ends of the first fixed plate 26 are rotatably connected to the second threaded rod 28, a total of two, and the side walls at both ends of the first fixed plate 26 are fixedly connected to two second sliding rods 27 for assistance, a total of four, the second threaded rod 28 is threadedly connected to the pushing clamp 29, a total of two, the second threaded rod 28 is rotatably connected to the fixed block at one end away from the first fixed plate 26, the second sliding rod 27 is fixedly connected to the fixed block, and the side wall of the fixed block is fixedly mounted with a third motor 30, and the output end of the third motor 30 is rotatably connected to the second threaded rod 28;

[0025] The heating mechanism includes a first steam generator 9 mounted on the upper mold base 8, a first steam nozzle 10 is fixedly connected to the bottom of the first steam generator 9, and the first steam nozzle 10 passes through the upper mold base 8 and is inside the upper mold 11. A second steam generator 13 is fixedly mounted on the bottom of the lower mold 15, and a second steam nozzle 16 is fixedly connected to the top of the second steam generator 13, and the second steam nozzle 16 passes through the lower mold base 14 and is inside the lower mold 15. The sealing mechanism includes two first cylinders 17 mounted on the top of the base 1 via a connecting rod, and a seal 18 is fixedly connected to the telescopic end of the first cylinder 17. The seal 18 is semicircular, and the two seals 18 together form a circle;

[0026] The gear transmission assembly includes a first gear 22 installed on the telescopic end of the second motor 21, a second gear 23 is sleeved on the rotating shaft 24, the first gear 22 is engaged with the second gear 23, the first threaded rod 5 is fixedly connected to the output end of the first motor 6, and the pushing clamp 29 is slidably connected to the second slide rod 27.

[0027] The detailed working process of this utility model is as follows:

[0028] First, place the green tire on the seal 18, start the third motor 30 to drive the second threaded rod 28 to rotate, and as the seal 18 moves toward the third motor 30, fix the green tire. Then start the second cylinder 19, the second motor 21 and the third cylinder 25. The second cylinder 19 drives the demoulding mechanism to move up and down, the second motor 21 drives the demoulding mechanism to rotate, and the third cylinder 25 drives the demoulding mechanism to move above the lower mold base 14, place the green tire in the lower mold 15, and then reset the demoulding mechanism.

[0029] Start the first motor 6 to drive the lifting plate 7 and the upper mold base 8 to move downward until they are in contact with the lower mold base 14. Start the first cylinder 17 to drive the seal 18 to move toward the lower mold base 14 until they are in contact with the upper mold base 8 and the lower mold base 14. Then start the first steam generator 9 and the second steam generator 13 to spray steam along the first steam nozzle 10 and the second steam nozzle 16 to heat the green tire.

[0030] After heating, turn off the first steam generator 9 and the second steam generator 13, start the first motor 6 to drive the lifting plate 7 and the upper mold base 8 to move upward, then start the first cylinder 17 to drive the seal 18 to move in the opposite direction of the lower mold base 14, start the second cylinder 19, the second motor 21 and the third cylinder 25, place the seal 18 in the heated tire, start the third motor 30 to fix the tire, start the second cylinder 19, the second motor 21 and the third cylinder 25, and take out the tire.

[0031] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tire vulcanization mold opening and closing mechanism, comprising a base (1), characterized in that: The top of the base (1) is fixedly connected to a fixed base (2), the top of the fixed base (2) is fixedly connected to a support frame (3), the support frame (3) is rotatably connected to a first threaded rod (5), the support frame (3) is fixedly connected to two first sliding rods (4), the top of the support frame (3) is fixedly installed with a first motor (6), the first threaded rod (5) is threadedly connected to a lifting plate (7), the end of the lifting plate (7) away from the first threaded rod (5) is fixedly connected to an upper mold base (8), an upper mold (11) is installed in the upper mold base (8), the top of the base (1) is fixedly connected to four support rods (12), the top of the support rods (12) is fixedly connected to a lower mold base (14), a lower mold (15) is installed in the lower mold base (14), the upper mold base (8) is installed with a heating mechanism, the base (1) is installed with a sealing mechanism, and the base (1) is installed with a demoulding mechanism.

2. The tire vulcanization mold opening and closing mechanism according to claim 1, characterized in that: The demoulding mechanism comprises a second cylinder (19) fixedly mounted on a base (1); a telescopic end of the second cylinder (19) is fixedly connected to a mounting seat (20); a second motor (21) is fixedly mounted on the top of the mounting seat (20); the second motor (21) is rotatably connected to a rotating shaft (24) through a gear transmission assembly; a third cylinder (25) is fixedly connected to the top of the rotating shaft (24); a telescopic end of the third cylinder (25) is fixedly connected to a first fixed plate (26); side walls at both ends of the first fixed plate (26) are rotatably connected to second threaded rods (28); two second sliding rods (27) for assistance are fixedly connected to the side walls at both ends of the first fixed plate (26); the second threaded rod (28) is threadably connected to a push fixture (29); and two third motors (30) for rotating the second threaded rod (28) are mounted on one end of the second threaded rod (28) away from the first fixed plate (26).

3. The tire vulcanization mold opening and closing mechanism according to claim 1, characterized in that: The heating mechanism comprises a first steam generator (9) mounted on the top of an upper mold base (8), a first steam nozzle (10) being fixedly connected to the bottom of the first steam generator (9), and the first steam nozzle (10) passing through the upper mold base (8), a second steam generator (13) being fixedly mounted on the bottom of the lower mold (15), a second steam nozzle (16) being fixedly connected to the top of the second steam generator (13), and the second steam nozzle (16) passing through the lower mold base (14).

4. The tire vulcanization mold opening and closing mechanism according to claim 1, characterized in that: The sealing mechanism comprises two first cylinders (17) mounted on the top of the base (1) via a connecting rod, and a sealing member (18) is fixedly connected to the telescopic end of the first cylinder (17).

5. The tire vulcanization mold opening and closing mechanism according to claim 2, characterized in that: The gear transmission assembly comprises a first gear (22) mounted on the telescopic end of the second motor (21); the rotating shaft (24) is sleeved with a second gear (23); the first gear (22) is meshed with the second gear (23).

6. The tire vulcanization mold opening and closing mechanism according to claim 2, characterized in that: The first threaded rod (5) is fixedly connected to the output end of the first motor (6), and the pushing fixture (29) is slidably connected to the second sliding rod (27).

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