Fixed beam type tire forming vulcanizer

Abstract

The utility model relates to the technical field of tire processing, in particular to a fixed beam type tire shaping vulcanizer, which is convenient for feeding and discharging, is beneficial to the proceeding of next processing work, ensures the dimensional accuracy of a shaped tire and improves the processing efficiency. Comprising a workbench, two vertical beams, a cross beam, an upper die base and a lower die base, the two vertical beams are fixedly installed at the front end and the rear end of the left side of the workbench, the cross beam is fixedly installed at the top ends of the vertical beams, the upper die base is located below the cross beam, the lower die base is located above the workbench, and an inner capsule is arranged on the lower die base; the die further comprises a moving mechanism, a lifting mechanism, a cooling mechanism and an ejection assembly, the moving assembly is installed at the top end of the workbench, the lower die base is installed at the output end of the moving mechanism, the lifting mechanism is installed on the outer wall of the vertical beam, the upper die base is installed at the output end of the lifting mechanism, and the ejection assembly is installed in the lower die base. The cooling mechanism is installed on the right side wall of the vertical beam.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tire processing, in particular to a fixed beam type tire shaping vulcanizing machine. BACKGROUND

[0002] In industrial production, vulcanization is usually used to improve the overall hardness of certain materials. In the tire vulcanization process, tire vulcanization refers to the vulcanization of a shaped green tire, which is carried out by using a mold pressurization method. The existing technology, as disclosed in the Chinese utility model patent No. CN209633571U, provides a gantry type rubber tire shaping vulcanizing machine, which is equipped with a fixed clamp and an electric telescopic rod to stabilize the position of the tire and prevent it from shifting after being heated and expanding. The inside of the mold cover and the sealing plate is equipped with an electric heating tube to heat the outer tire. However, the tire shaping device is installed by a suspension rope, which greatly affects the stability during operation and reduces the size accuracy of the shaped tire. SUMMARY

[0003] To solve the above technical problems, the utility model provides a fixed beam type tire shaping vulcanizing machine, which is convenient for feeding and discharging, facilitates the next processing work, ensures the size accuracy of the shaped tire, and improves the processing efficiency.

[0004] The utility model discloses a fixed beam type tire shaping vulcanizing machine, which comprises a workbench, two vertical beams, a cross beam, an upper mold base and a lower mold base. The two vertical beams are fixedly installed on the left side of the workbench at the front and rear ends. The top end of the vertical beam is fixedly installed with the cross beam. The upper mold base is located below the cross beam, and the lower mold base is located above the workbench. An inner capsule is arranged on the lower mold base. The utility model also comprises a moving mechanism, a lifting mechanism, a cooling mechanism and an ejection assembly. The moving assembly is installed on the top end of the workbench. The lower mold base is installed on the output end of the moving mechanism. The lifting mechanism is installed on the outer wall of the vertical beam. The upper mold base is installed on the output end of the lifting mechanism. The ejection assembly is installed inside the lower mold base. The cooling mechanism is installed on the right side wall of the vertical beam. During use, the lower mold base is moved to the right by the moving mechanism. The tire to be processed is placed in the lower mold base, and then moved to the lower side of the upper mold base. The upper mold base is covered on the upper side of the lower mold base by the lifting mechanism. With the continuous input of the hot mixed gas of saturated steam and nitrogen and the heating of the mold, the green tire is vulcanized. The lifting stroke is very small, which is convenient for processing, installation and maintenance. After vulcanization is completed, the upper mold base moves upward. The ejection assembly ejects the tire in the lower mold base. The tire is moved to the right by the moving mechanism. The cooling mechanism cools the tire, which improves the processing efficiency.

[0005] Preferably, the moving mechanism comprises a moving base, a lead screw, a moving block, a transmission, a servo motor and a connecting base, the moving base is fixedly installed at the top end of the workbench, a pushing groove is formed in the middle of the top end of the moving base, the lead screw is rotatably installed in the pushing groove, the moving block is slidably installed in the pushing groove, the top end of the moving block is connected with the connecting base, the lower die base is fixedly installed at the top end of the connecting base, an air inlet channel is formed in the connecting base and the lower die base, an air inlet pipe is connected with the input end of the air inlet channel, an air inlet disc is arranged between the top of the lower die base and the inner rubber capsule, the output end of the air inlet channel is in communication with the air inlet disc, a gas conveying pipe is arranged on the side wall of the front end vertical beam, a sealing interface is arranged at the output end of the gas conveying pipe, the output end of the lead screw is connected with the output end of the transmission, the input end of the transmission is connected with the output end of the servo motor; the servo motor is started to drive the lead screw to rotate through the transmission, the moving block is driven to move in the pushing groove by the lead screw, the connecting base is driven to move on the top of the moving base by the moving block, which facilitates feeding and discharging and is beneficial to the next processing work.

[0006] Preferably, the moving mechanism comprises a moving base, a lead screw, a moving block, a transmission, a servo motor and a connecting base, the moving base is fixedly installed at the top end of the workbench, a pushing groove is formed in the middle of the top end of the moving base, the lead screw is rotatably installed in the pushing groove, the moving block is slidably installed in the pushing groove, the top end of the moving block is connected with the connecting base, the lower die base is fixedly installed at the top end of the connecting base, an air inlet channel is formed in the connecting base and the lower die base, an air inlet pipe is connected with the input end of the air inlet channel, an air inlet disc is arranged between the top of the lower die base and the inner rubber capsule, the output end of the air inlet channel is in communication with the air inlet disc, a gas conveying pipe is arranged on the side wall of the front end vertical beam, a sealing interface is arranged at the output end of the gas conveying pipe, the output end of the lead screw is connected with the output end of the transmission, the input end of the transmission is connected with the output end of the servo motor; the servo motor is started to drive the lead screw to rotate through the transmission, the moving block is driven to move in the pushing groove by the lead screw, the connecting base is driven to move on the top of the moving base by the moving block, which facilitates feeding and discharging and is beneficial to the next processing work.

[0007] Preferably, the lifting mechanism comprises an equipment box, two first rotating shafts, two driving wheels, a second transmission, a second servo motor, a second rotating shaft, a driving wheel, two conveying belts, two lifting plates and a connecting plate, the equipment box is fixedly installed on the outer side walls of the vertical beam and the horizontal beam, the bottom end of the first rotating shaft is rotatably installed at the inner bottom end of the equipment box, the top end of the first rotating shaft is fixedly installed with the driving wheel, the second transmission is fixedly installed at the middle of the top end of the equipment box, the input end of the second transmission is connected with the output end of the second servo motor, the output end of the second transmission is connected with the second rotating shaft, the bottom part of the second rotating shaft is rotatably installed at the middle of the top end of the horizontal beam, the outer wall of the second rotating shaft is installed with the driving wheel, the lifting plates are screw-connected on the outer wall of the first rotating shaft, the lifting grooves are formed in the vertical beam, the connecting plate is connected with the lifting plates through the lifting grooves, and the upper die base is fixedly connected at the bottom end of the connecting plate; the second servo motor is started to drive the second rotating shaft to rotate through the second transmission, the second rotating shaft drives the driving wheel to rotate through the driving wheel and the conveying belt, so that the first rotating shaft rotates, the lifting plates are driven to move downward, the upper die base is driven to move downward through the connecting plate, the mold is closed with the lower die base, and the rubber tire is subjected to vulcanization work.

[0008] Preferably, the ejection assembly comprises a plurality of slide columns, a plurality of push plates, a plurality of springs, a plurality of push columns, a push ring, a plurality of push-out rods and an annular pressing block, the inner portion of the lower die base is provided with a plurality of telescopic cavities, the plurality of slide columns are fixedly installed in the telescopic cavities, and the push plates are slidably installed on the outer walls of the slide columns; the top of the lower die base is provided with an annular push groove, the bottom of the annular push groove is provided with a circular hole at a position corresponding to the telescopic cavities, the push column is slidably installed in the circular hole, the bottom end of the push column is connected with the top end of the push plate, the inner portion of the lower die base is provided with a push-out hole at a position corresponding to the telescopic cavities, the push-out rod is slidably installed in the push-out hole, the bottom end of the push-out rod is connected with the top end of the push plate, the top end of the push column is fixedly connected with the push ring, the push ring is located in the annular push groove, and the bottom of the upper die base is provided with the annular pressing block corresponding to the annular push groove; when the upper die base moves downward to combine with the lower die base, the annular pressing block enters the annular push groove, the push ring moves in the annular push groove, the push plate is pushed downward through the push column, the push-out rod is driven to move downward by the push plate, after vulcanization is completed, the upper die base moves upward, the spring restores to the original position, the push-out rod is pushed to move upward, and the tire is smoothly pushed out of the lower die base, which is beneficial to the next processing work.

[0009] Preferably, the cooling mechanism comprises two support frames, a cooling pipe, a plurality of jet heads, a cooling fan and a connecting pipe, the two support frames are fixedly installed on the right side wall of the vertical beam, the cooling pipe is fixedly installed between the two support frames, the bottom of the cooling pipe is connected with a plurality of groups of jet heads, the input end of the cooling pipe is connected with the output end of the cooling fan through the connecting pipe, and the cooling fan is installed on the outer wall of the front vertical beam; when the vulcanized tire moves rightward and passes below the jet heads, the cooling fan is started to input cold air into the support frames through the connecting pipe, and the jet heads are sprayed toward the tire, so that the working efficiency of the vulcanizing machine is effectively improved, and the molding of the rubber tire is facilitated.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: when in use, the lower die base is driven to move rightward by the moving mechanism, the tire to be processed is placed in the lower die base, and then moved to below the upper die base, the upper die base is covered above the lower die base by the lifting mechanism, the green tire is vulcanized along with the continuous input of the hot mixed gas of saturated steam and nitrogen and the heating of the mold, the lifting stroke is very small, processing and installation and maintenance are facilitated, after vulcanization is completed, the upper die base moves upward, the ejection assembly pushes the tire out of the lower die base, the tire is moved rightward by the moving mechanism, the tire is cooled by the cooling mechanism, and the processing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic view of the utility model;

[0012] Figure 2 It is an isometric structural schematic view of the utility model;

[0013] Figure 3 is a right view structure schematic diagram of the utility model;

[0014] Figure 4 is a front view sectional structure schematic diagram of the utility model;

[0015] Figure 5 is a left view sectional structure schematic diagram of the utility model;

[0016] Figure 6 is an upper view sectional structure schematic diagram of the utility model;

[0017] Marked in the drawing: 1, workbench;2, vertical beam;3, crossbeam;4, upper die holder;5, lower die holder;6, moving seat;7, screw;8, moving block;9, transmission;10, servo motor;11, connecting seat;12, equipment box;13, first rotating shaft;14, driving wheel;15, second transmission;16, second servo motor;17, second rotating shaft;18, driving wheel;19, conveyer belt;20, lifting plate;21, connecting plate;22, support frame;23, cooling pipe;24, air jet head;25, cooling fan;26, connecting pipe;27, guide column;28, guide sliding block;29, limit switch;30, sliding column;31, push plate;32, spring;33, push column;34, push ring;35, push rod;36, annular pressing block;37, air inlet pipe. DETAILED DESCRIPTION

[0018] In order to facilitate understanding the utility model, below will be more comprehensive description of the utility model with reference to relevant drawings. The utility model can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] Example 1

[0020] As Figure 1 , Figure 3 , Figure 4 and Figure 5As shown, two vertical beams 2 are fixedly installed at the left front and rear ends of the workbench 1, the top end of the vertical beam 2 is fixedly installed with a cross beam 3, the upper die seat 4 is below the cross beam 3, the lower die seat 5 is above the workbench 1, the lower die seat 5 is provided with an inner capsule, the moving seat 6 is fixedly installed at the top end of the workbench 1, the top end middle part of the moving seat 6 is provided with a pushing groove, the lead screw 7 is rotatably installed in the pushing groove, the moving block 8 is slidably installed in the pushing groove, and the top end of the moving block 8 is connected with the connecting seat 11, the lower die seat 5 is fixedly installed at the top end of the connecting seat 11, the output end of the lead screw 7 passes through the pushing groove and is connected with the output end of the speed variator 9, the input end of the speed variator 9 is connected with the output end of the servo motor 10, the lower die seat 5 and the connecting seat 11 are provided with an air inlet channel, and the input end of the air inlet channel is connected with an air inlet pipe 37, the top of the lower die seat 5 and the inner capsule are provided with an air inlet disc, the output end of the air inlet channel is communicated with the air inlet disc, the sidewall of the front end vertical beam 2 is provided with a gas conveying pipe, and the output end of the gas conveying pipe is provided with a sealed interface, the equipment box 12 is fixedly installed on the outer sidewall of the vertical beam 2 and the cross beam 3, the bottom end of the first rotating shaft 13 is rotatably installed at the inner bottom end of the equipment box 12, the top end of the first rotating shaft 13 is fixedly installed with the driving wheel 14, the second speed variator 15 is fixedly installed at the top middle part of the equipment box 12, the input end of the second speed variator 15 is connected with the output end of the second servo motor 16, the output end of the second speed variator 15 is connected with the second rotating shaft 17, the bottom part of the second rotating shaft 17 is rotatably installed at the top middle part of the cross beam 3, the outer wall of the second rotating shaft 17 is installed with the driving wheel 18, the driving wheel 18 and the driving wheel 14 are drivingly connected through the conveying belt 19, the lifting plate 20 is screwed on the outer wall of the first rotating shaft 13, the vertical beam 2 is provided with a lifting groove, the lifting plate 20 passes through the lifting groove and is connected with the connecting plate 21, the upper die seat 4 is fixedly connected with the low end of the connecting plate 21, the inner part of the lower die seat 5 is provided with a plurality of expansion cavities, a plurality of sliding columns 30 are fixedly installed in the expansion cavities, and a pushing plate 31 is slidably installed on the outer wall of the sliding column 30, the top of the lower die seat 5 is provided with an annular pushing groove, the bottom of the annular pushing groove is provided with a circular hole at the position corresponding to the expansion cavity, a pushing column 33 is slidably installed in the circular hole, the bottom end of the pushing column 33 is connected with the top end of the pushing plate 31, the inner part of the lower die seat 5 is provided with a pushing-out hole at the position corresponding to the expansion cavity, a pushing-out rod 35 is slidably installed in the pushing-out hole, the bottom end of the pushing-out rod 35 is connected with the top end of the pushing plate 31, the top end of the pushing column 33 is fixedly connected with a pushing ring 34, the pushing ring 34 is located in the annular pushing groove, and the bottom of the upper die seat 4 is provided with an annular pressing block 36 corresponding to the annular pushing groove;

[0021] The starting servo motor 10 drives the screw rod 7 to rotate through the transmission 9, the screw rod 7 drives the moving block 8 to move in the pushing groove, the moving block 8 drives the connecting seat 11 to move on the top of the moving seat 6, facilitating the feeding and discharging, and being beneficial to the next processing work. The starting second servo motor 16 drives the second rotating shaft 17 to rotate through the second transmission 15, the second rotating shaft 17 drives the driving wheel 14 to rotate through the driving wheel 18 and the transmission belt 19, the first rotating shaft 13 rotates, the lifting plate 20 moves downward, the upper mold base 4 moves downward through the connecting plate 21, the mold is closed with the lower mold base 5, and the vulcanization work of the rubber tire is carried out. When the upper mold base 4 moves downward and is combined with the lower mold base 5, the annular pressing block 36 enters the annular pushing groove, the pushing ring 34 moves in the annular pushing groove, the pushing plate 31 is pushed downward through the pushing column 33, the pushing plate 31 drives the pushing rod 35 to move downward, the connecting seat 11 moves and drives the air inlet pipe 37 to be inserted into the sealing interface and connected with the gas inlet pipe, the hot mixed gas of saturated steam and nitrogen is introduced into the gas inlet pipe, the hot mixed gas of saturated steam and nitrogen enters the air inlet disc through the air inlet channel, after the vulcanization is completed, the upper mold base 4 moves upward, the spring 32 returns to the original position and pushes the pushing rod 35 upward, the tire is smoothly pushed out in the lower mold base 5, and the next processing work is facilitated.

[0022] Embodiment 2

[0023] As shown in Figure 2 , Figure 3 , Figure 5 and Figure 6 , on the basis of embodiment 1, the top of the moving seat 6 is provided with a guide groove at the front and rear ends, a guide column 27 is fixedly installed in the guide groove, a guide sliding block 28 is slidingly installed on the outer wall of the guide column 27, the top end of the guide sliding block 28 is connected with the bottom end of the connecting seat 11, a limit switch 29 is fixedly installed on the side wall of the rear vertical beam 2, the limit switch 29 is electrically connected with the servo motor 10, the rear side wall of the connecting seat 11 is provided with a contact plate matched with the limit switch 29, two supporting frames 22 are fixedly installed on the right side wall of the vertical beam 2, a cooling pipe 23 is fixedly installed between the two supporting frames 22, the bottom of the cooling pipe 23 is connected with a plurality of groups of air jet heads 24, the input end of the cooling pipe 23 is connected with the output end of a cooling fan 25 through a connecting pipe 26, and the cooling fan 25 is installed on the outer wall of the front vertical beam 2.

[0024] The connecting seat 11 drives the guide sliding block 28 to move on the guide column 27, thereby guaranteeing the stability during the movement, and the connecting seat 11 drives the contact plate to contact the limit switch 29, thereby controlling the servo motor 10 to be closed, so that the position accuracy of the lower mold base 5 is guaranteed, the size accuracy of the tire after shaping is guaranteed, and the tire after vulcanization moves right below the air jet head 24, the cooling fan 25 inputs cold air into the support frame 22 through the connecting pipe 26, the cold air is sprayed to the tire by the air jet head 24, the working efficiency of the vulcanizing machine is effectively improved, and the molding of the rubber tire is facilitated.

[0025] As shown in Figures 1 to 6 The utility model discloses a fixed beam type tire shaping vulcanizing machine, which needs to spray the inner capsule surface with capsule separating agent before the green tire is vulcanized, the servo motor 10 drives the screw rod 7 to rotate through the transmission 9, the screw rod 7 drives the moving block 8 to move in the pushing groove, the moving block 8 drives the connecting seat 11 to move on the top of the moving base 6, the connecting seat 11 drives the guide sliding block 28 to move on the guide column 27, thereby guaranteeing the stability during the movement, and the connecting seat 11 drives the contact plate to contact the limit switch 29, thereby controlling the servo motor 10 to be closed, so that the position accuracy of the lower mold base 5 is guaranteed, the second servo motor 16 drives the second rotating shaft 17 to rotate through the second transmission 15, the second rotating shaft 17 drives the driving wheel 14 to rotate through the driving wheel 18 and the transmission belt 19, so that the first rotating shaft 13 rotates, the lifting plate 20 moves downward, the upper mold base 4 moves downward through the connecting plate 21, and the upper mold base 4 is combined with the lower mold base 5, when the upper mold base 4 is combined with the lower mold base 5, the annular pressing block 36 enters the annular pushing groove and pushes the inner part, the pushing ring 34 moves in the annular pushing groove, the pushing column 33 pushes the pushing plate 31 downward, so that the pushing plate 31 drives the pushing rod 35 to move downward, the connecting seat 11 drives the air inlet pipe 37 to insert the sealing interface and connect with the gas inlet pipe, the hot mixed gas of saturated steam and nitrogen gas is input into the gas inlet pipe, the hot mixed gas of saturated steam and nitrogen gas enters the air inlet disc through the air inlet channel, after vulcanization is completed, the upper mold base 4 moves upward, the spring 32 restores to the original position and pushes the pushing rod 35 to move upward, so that the tire is smoothly pushed out of the lower mold base 5, when the tire after vulcanization moves right below the air jet head 24, the cooling fan 25 inputs cold air into the support frame 22 through the connecting pipe 26, the cold air is sprayed to the tire by the air jet head 24, and the rubber tire after vulcanization is rapidly cooled.

[0026] The transmission 9, the servo motor 10, the second transmission 15, the second servo motor 16 and the cooling fan 25 of the utility model are purchased on the market, and the technical personnel in the industry only needs to install and operate according to the attached instruction manual, without the creative labor of the technical personnel in the field.

[0027] The above merely is the preferred implementation manner of the present application, and it should be noted that, for the ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present application.

Claims

1. A fixed beam type tire shaping and curing machine, comprising a workbench (1), two vertical beams (2), a cross beam (3), an upper mold base (4) and a lower mold base (5), the two vertical beams (2) being fixedly installed at the left front and rear ends of the workbench (1), the top end of the vertical beam (2) being fixedly installed with the cross beam (3), the upper mold base (4) being located below the cross beam (3), the lower mold base (5) being located above the workbench (1), and an inner capsule being arranged on the lower mold base (5); characterized in that, It also includes moving mechanism, lifting mechanism, cooling mechanism and ejection assembly, the moving assembly is installed at the top of the workbench (1), the lower die seat (5) is installed at the output end of the moving mechanism, the lifting mechanism is installed on the outer wall of the vertical beam (2), the upper die seat (4) is installed at the output end of the lifting mechanism, the ejection assembly is installed inside the lower die seat (5), and the cooling mechanism is installed on the right side wall of the vertical beam (2).

2. A tire building and curing machine as set forth in claim 1 wherein, The moving mechanism comprises a moving seat (6), a lead screw (7), a moving block (8), a transmission (9), a servo motor (10) and a connecting seat (11), the moving seat (6) is fixedly installed at the top of the workbench (1), a pushing groove is formed in the middle of the top of the moving seat (6), the lead screw (7) is rotatably installed in the pushing groove, the moving block (8) is slidably installed in the pushing groove, and the top of the moving block (8) is connected with the connecting seat (11), the lower die seat (5) is fixedly installed at the top of the connecting seat (11), the output end of the lead screw (7) penetrates through the pushing groove and is connected with the output end of the transmission (9), and the input end of the transmission (9) is connected with the output end of the servo motor (10).

3. A tire building and curing machine as set forth in claim 1 wherein, It also includes two guide columns (27), two guide sliding blocks (28) and a limit switch (29), guide grooves are formed in the top of the moving seat (6), the guide columns (27) are fixedly installed in the guide grooves, the guide sliding blocks (28) are slidably installed on the outer wall of the guide columns (27), the top of the guide sliding blocks (28) is connected with the bottom of the connecting seat (11), the limit switch (29) is fixedly installed on the side wall of the rear vertical beam (2), the limit switch (29) is electrically connected with the servo motor (10), and a contact plate matched with the limit switch (29) is arranged on the rear side wall of the connecting seat (11).

4. A tire building and curing machine as set forth in claim 1 wherein, The lifting mechanism comprises an equipment box (12), two first rotating shafts (13), two driving wheels (14), a second transmission (15), a second servo motor (16), a second rotating shaft (17), a driving wheel (18), two conveying belts (19), two lifting plates (20) and a connecting plate (21), the equipment box (12) is fixedly installed on the outer side walls of the vertical beam (2) and the horizontal beam (3), the bottom end of the first rotating shaft (13) is rotatably installed at the inner bottom end of the equipment box (12), the top end of the first rotating shaft (13) is fixedly installed with the driving wheel (14), the second transmission (15) is fixedly installed at the middle of the top of the equipment box (12), the input end of the second transmission (15) is connected with the output end of the second servo motor (16), the output end of the second transmission (15) is connected with the second rotating shaft (17), the bottom of the second rotating shaft (17) is rotatably installed at the middle of the top of the horizontal beam (3), the outer wall of the second rotating shaft (17) is provided with the driving wheel (18), the driving wheel (18) and the driving wheel (14) are drivingly connected through the conveying belt (19), the lifting plate (20) is screwed on the outer wall of the first rotating shaft (13), the vertical beam (2) is provided with a lifting groove, the lifting plate (20) penetrates through the lifting groove and is connected with the connecting plate (21), and the upper die seat (4) is fixedly connected to the bottom end of the connecting plate (21).

5. A tire building and curing machine as defined in claim 1 wherein, The ejection assembly comprises a plurality of slide columns (30), a plurality of push plates (31), a plurality of springs (32), a plurality of push columns (33), a push ring (34), a plurality of push-out rods (35) and an annular pressing block (36), a plurality of telescopic cavities are formed in the inner portion of the lower die seat (5), the plurality of slide columns (30) are fixedly installed in the telescopic cavities, and the push plates (31) are slidingly installed on the outer walls of the slide columns (30), an annular push groove is formed in the top of the lower die seat (5), a circular hole is formed in the bottom of the annular push groove and at a position corresponding to the telescopic cavities, the push column (33) is slidingly installed in the circular hole, the bottom end of the push column (33) is connected with the top end of the push plate (31), a push-out hole is formed in the inner portion of the lower die seat (5) and at a position corresponding to the telescopic cavities, the push-out rod (35) is slidingly installed in the push-out hole, the bottom end of the push-out rod (35) is connected with the top end of the push plate (31), the top end of the push column (33) is fixedly connected with the push ring (34), and the push ring (34) is located in the annular push groove; the annular pressing block (36) is installed on the bottom of the upper die seat (4) and corresponds to the annular push groove.

6. A tire building and curing machine as defined in claim 1 wherein, The cooling mechanism comprises two supporting frames (22), a cooling pipe (23), a plurality of jet heads (24), a cooling fan (25) and a connecting pipe (26), the two supporting frames (22) are fixedly installed on the right side wall of the vertical beam (2), the cooling pipe (23) is fixedly installed between the two supporting frames (22), the bottom of the cooling pipe (23) is connected with a plurality of groups of jet heads (24), the input end of the cooling pipe (23) is connected with the output end of the cooling fan (25) through the connecting pipe (26), and the cooling fan (25) is installed on the outer wall of the front-end vertical beam (2).

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