Rolling mechanism of rubber tire building machine

Abstract

The utility model discloses a rubber tire building machine rolling mechanism which comprises a base, a fixed vertical plate is arranged on one side of the top end of the base, a sliding groove is formed in the position, located on one side of the fixed vertical plate, of the top end of the base, a first lead screw is transversely arranged in the sliding groove, a movable vertical plate extending out of the sliding groove is arranged on the outer wall of the first lead screw in a sleeved mode, and the movable vertical plate is arranged on the top end of the base. A first mounting base is arranged on the side, close to the movable vertical plate, of the fixed vertical plate. The device has the beneficial effects that by arranging the expansion assembly, after rolling of the rubber tire is completed, the inner wall of the rubber tire can be extruded, the hole diameter of the rubber tire is expanded, then the inner wall of the rubber tire is separated from the outer wall of the rubber tire containing roller, personnel can take down the rubber tire conveniently, and the production efficiency is improved; and by arranging a first lead screw, a movable vertical plate, a second rotating shaft and a second mounting base, one side of the rubber tire containing roller can be conveniently opened, a person can conveniently sleeve the rubber tire containing roller with a to-be-machined rubber tire, and use is convenient and flexible.

Description

Technical Field

[0001] The utility model relates to the technical field of tire processing, and more specifically, to a rolling mechanism of a rubber tire forming machine. Background Technique

[0002] The rolling mechanism of a rubber tire forming machine is a device used in the manufacturing of rubber tires. According to a rubber tire forming machine rolling device disclosed in Chinese Patent CN202321787546.7, the application includes a base, a rolling mechanism is arranged on the top of the base, a control panel is installed on the front of the base, and a power plug is fixedly connected below the control panel on the front of the base; the rolling mechanism includes drive shafts rotatably connected to both sides of the inner wall of the base, a servo motor is fixedly connected to the outer wall of the drive shaft outside the base, a connecting rod is slidably connected inside the drive shaft, an electric push rod is fixedly connected inside the base and below the drive shaft, and a rolling roller is fixedly connected to the top of the electric push rod. The rolling mechanism in this device is used to roll the tire embryo, solving the problem that the operation of loading and unloading the tire embryo is relatively cumbersome, time-consuming and laborious when the existing rolling device is in use. When the existing rubber tire forming machine rolling device rolls the rubber tire, the inner wall of the tire will tightly adhere to the outer wall of the placing roller, and it is difficult for personnel to remove the tire from the placing roller.

[0003] In view of the problems in the related art, no effective solution has been proposed yet. Content of the Utility Model

[0004] In view of the problems in the related art, the utility model provides a rolling mechanism of a rubber tire forming machine to overcome the above-mentioned technical problems existing in the prior related art.

[0005] Therefore, the specific technical solution adopted by the utility model is as follows:

[0006] A rolling mechanism of a rubber tire forming machine, including a base. On one side of the top of the base, there is a fixed vertical plate. A chute is opened on the top of the base and on one side of the fixed vertical plate. A first screw rod is horizontally arranged in the chute. An outer wall of the first screw rod is sleeved with a movable vertical plate extending outside the chute. On one side of the fixed vertical plate close to the movable vertical plate, there is a first mounting seat. The first mounting seat is connected to the fixed vertical plate through a first rotating shaft. One side of the first rotating shaft penetrates through the fixed vertical plate and is connected to a driving end of a driving motor. On one side of the movable vertical plate close to the fixed vertical plate, there is a second mounting seat. The second mounting seat is connected to the movable vertical plate through a second rotating shaft. A rubber tire placing roller is arranged between the first mounting seat and the second mounting seat. One side of the rubber tire placing roller is connected to the first mounting seat through a first connecting rod. One side of the rubber tire placing roller is connected to the second mounting seat through a second connecting rod. A U-shaped frame is arranged on the top of the base and between the fixed vertical plate and the movable vertical plate. The U-shaped frame is connected to the base through a hydraulic cylinder. A pressing roller is arranged in the U-shaped frame. A displacement sensor is arranged on an outer wall of the pressing roller. An expansion component is arranged in the rubber tire placing roller.

[0007] Preferably, the first screw rod is connected to the base through a first bearing. One side of the first screw rod extends outside the base and is connected to a driving end of a servo motor. A first threaded hole matching the first screw rod is opened on the movable vertical plate.

[0008] Preferably, the first connecting rod is connected to the first mounting seat through a flange plate. The flange plate is connected to the first mounting seat through bolts.

[0009] Preferably, a slot matching the second connecting rod is opened on one side of the second mounting seat. A limit key is arranged on an outer wall of the second connecting rod. A key groove matching the limit key is opened on an inner wall of the slot.

[0010] Preferably, the expansion component includes a first adjusting groove formed in the rubber tire placing roller. A second screw rod is horizontally arranged in the first adjusting groove. Symmetrically arranged moving blocks are sleeved on an outer wall of the second screw rod. A plurality of uniformly distributed placing grooves communicating with the first adjusting groove are opened on an outer wall of the rubber tire placing roller. A jacking plate is arranged in each placing groove. Each jacking plate is respectively connected to the two groups of moving blocks through a movable rod.

[0011] Preferably, the second lead screw is connected to the rubber tire placing roller through a second bearing. An adjustment groove two is formed on one side of the connecting rod two. One side of the second lead screw extends into the adjustment groove two and is connected to a first helical gear. A through hole matching the second lead screw is formed on the connecting rod two. A third rotating shaft is arranged on the outer wall of the connecting rod two. A turntable is fixedly arranged at the top end of the third rotating shaft. The bottom end of the third rotating shaft extends into the adjustment groove two and is connected to a second helical gear meshing with the first helical gear.

[0012] Preferably, threaded holes two matching the second lead screw are formed on both of the two moving blocks. The threading directions of the two threaded holes two are opposite. A guide rod penetrating through the two moving blocks respectively is arranged in the adjustment groove one. Slide holes matching the guide rod are formed on the moving blocks.

[0013] Preferably, the movable rods are respectively hinged to the moving blocks and the jacking plates.

[0014] The beneficial effects of the present utility model are as follows: By arranging the expansion assembly, after the rubber tire is rolled, its inner wall can be extruded to expand the aperture of the rubber tire, so that the inner wall of the rubber tire is separated from the outer wall of the rubber tire placing roller, which is convenient for personnel to remove it and improves production efficiency. By arranging the first lead screw, the movable vertical plate, the second rotating shaft and the second mounting seat, it is convenient to open one side of the rubber tire placing roller, which is convenient for personnel to put the rubber tire to be processed on the rubber tire placing roller, and it is convenient and flexible to use. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required to be used in the embodiments. Obviously, the drawings in the following description are only 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.

[0016] Figure 1 is an overall structural schematic diagram of a rolling mechanism of a rubber tire forming machine according to an embodiment of the present utility model;

[0017] Figure 2 is a schematic diagram of the structure of another angle of a rolling mechanism of a rubber tire forming machine according to an embodiment of the present utility model;

[0018] Figure 3 is a front view of a rolling mechanism of a rubber tire forming machine according to an embodiment of the present utility model;

[0019] Figure 4 is Figure 1 a partial enlarged schematic diagram at position A in

[0020] Figure 5 is Figure 2 a partially enlarged schematic view at position B in

[0021] Figure 6 is a schematic structural view of a rubber tire placing roller in a rolling mechanism of a rubber tire forming machine according to an embodiment of the present invention;

[0022] Figure 7 is a sectional view of a rubber tire placing roller in a rolling mechanism of a rubber tire forming machine according to an embodiment of the present invention;

[0023] Figure 8 is Figure 7 a partially enlarged schematic view at position C in

[0024] In the figure:

[0025] 1, base; 2, fixed vertical plate; 3, chute; 4, first lead screw; 5, movable vertical plate; 6, first mounting seat; 7, first rotating shaft; 8, second mounting seat; 9, second rotating shaft; 10, rubber tire placing roller; 11, first connecting rod; 12, second connecting rod; 13, U-shaped frame; 14, hydraulic cylinder; 15, pressure roller; 16, displacement sensor; 17, servo motor; 18, driving motor; 19, flange; 20, slot; 21, limit key; 22, first adjusting slot; 23, second lead screw; 24, moving block; 25, placing groove; 26, jacking plate; 27, movable rod; 28, second adjusting slot; 29, first helical gear; 30, third rotating shaft; 31, turntable; 32, second helical gear; 33, second threaded hole; 34, guide rod. Specific embodiments

[0026] To further illustrate the embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. They are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible implementation manners and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0027] According to an embodiment of the present invention, a rolling mechanism of a rubber tire forming machine is provided.

[0028] Embodiment 1;

[0029] As Figures 1-8As shown in the figure, the rolling mechanism of a rubber tire forming machine according to an embodiment of the present utility model includes a base 1. On one side of the top of the base 1, there is a fixed vertical plate 2. A chute 3 is provided on the top of the base 1 and on one side of the fixed vertical plate 2. A first lead screw 4 arranged horizontally is provided in the chute 3. An outer wall of the first lead screw 4 is sleeved with a movable vertical plate 5 extending outside the chute 3. On a side of the fixed vertical plate 2 close to the movable vertical plate 5, there is a first mounting seat 6. The first mounting seat 6 is connected to the fixed vertical plate 2 through a first rotating shaft 7. One side of the first rotating shaft 7 penetrates through the fixed vertical plate 2 and is connected to a driving end of a driving motor 18. On a side of the movable vertical plate 5 close to the fixed vertical plate 2, there is a second mounting seat 8. The second mounting seat 8 is connected to the movable vertical plate 5 through a second rotating shaft 9. A rubber tire placing roller 10 is arranged between the first mounting seat 6 and the second mounting seat 8. One side of the rubber tire placing roller 10 is connected to the first mounting seat 6 through a first connecting rod 11. One side of the rubber tire placing roller 10 is connected to the second mounting seat 8 through a second connecting rod 12. A U-shaped frame 13 is provided on the top of the base 1 and between the fixed vertical plate 2 and the movable vertical plate 5. The U-shaped frame 13 is connected to the base 1 through a hydraulic cylinder 14. A pressing roller 15 is arranged in the U-shaped frame 13. A displacement sensor 16 is arranged on an outer wall of the pressing roller 15. An expansion assembly is arranged in the rubber tire placing roller 10.

[0030] Embodiment 2;

[0031] Such as Figures 1-8As shown, it includes a base 1. On one side of the top of the base 1, there is a fixed vertical plate 2. A chute 3 is opened on the top of the base 1 and on one side of the fixed vertical plate 2. A first lead screw 4 arranged horizontally is provided in the chute 3. A movable vertical plate 5 extending outside the chute 3 is sleeved on the outer wall of the first lead screw 4. On the side of the fixed vertical plate 2 close to the movable vertical plate 5, there is a first mounting seat 6. The first mounting seat 6 is connected to the fixed vertical plate 2 through a first rotating shaft 7. One side of the first rotating shaft 7 penetrates through the fixed vertical plate 2 and is connected to the driving end of a driving motor 18. On the side of the movable vertical plate 5 close to the fixed vertical plate 2, there is a second mounting seat 8. The second mounting seat 8 is connected to the movable vertical plate 5 through a second rotating shaft 9. A rubber tire placing roller 10 is arranged between the first mounting seat 6 and the second mounting seat 8. One side of the rubber tire placing roller 10 is connected to the first mounting seat 6 through a first connecting rod 11. One side of the rubber tire placing roller 10 is connected to the second mounting seat 8 through a second connecting rod 12. A U-shaped frame 13 is arranged on the top of the base 1 and between the fixed vertical plate 2 and the movable vertical plate 5. The U-shaped frame 13 is connected to the base 1 through a hydraulic cylinder 14. A pressing roller 15 is arranged in the U-shaped frame 13. A displacement sensor 16 is arranged on the outer wall of the pressing roller 15. An expansion component is arranged in the rubber tire placing roller 10. The first lead screw 4 is connected to the base 1 through a first bearing. One side of the first lead screw 4 extends outside the base 1 and is connected to the driving end of a servo motor 17. A first threaded hole matching the first lead screw 4 is opened on the movable vertical plate 5. The first connecting rod 11 is connected to the first mounting seat 6 through a flange 19. The flange 19 is connected to the first mounting seat 6 through bolts. A slot 20 matching the second connecting rod 12 is opened on one side of the second mounting seat 8. A limit key 21 is arranged on the outer wall of the second connecting rod 12. A keyway matching the limit key 21 is opened on the inner wall of the slot 20.When rolling the rubber tire embryo, start the servo motor 17 to drive the first lead screw 4 to rotate. The first lead screw 4 drives the movable vertical plate 5 to move. The movable vertical plate 5 drives the second mounting seat 8 to move to one side and separate from the second connecting rod 12. At this time, one side of the rubber tire placing roller 10 is opened. The operator puts the rubber tire embryo on the rubber tire placing roller 10. Then start the servo motor 17 to drive the first lead screw 4 to rotate. The first lead screw 4 drives the movable vertical plate 5 to move. The movable vertical plate 5 drives the second mounting seat 8 to move to the side close to the second connecting rod 12 until the second connecting rod 12 is inserted into the slot 20 on the second mounting seat 8. Subsequently, start the hydraulic cylinder 14 to drive the U-shaped frame 13 to move upward. The U-shaped frame 13 drives the pressing roller 15 to move upward until it contacts the outer wall of the rubber tire embryo. Then start the drive motor 18 to drive the rubber tire placing roller 10 to rotate through the cooperation of the first rotating shaft 7 and the second rotating shaft 9. The rubber tire placing roller 10 drives the rubber tire embryo to rotate and is rolled into shape by the pressing roller 15. By setting the first lead screw, the movable vertical plate, the second rotating shaft and the second mounting seat, it is convenient to open one side of the rubber tire placing roller, facilitating the operator to put the rubber tire to be processed on the rubber tire placing roller, which is convenient and flexible to use.

[0032] Embodiment 3;

[0033] As Figures 1-8As shown in the figure, it includes a base 1. On one side of the top end of the base 1, there is a fixed vertical plate 2. A chute 3 is provided at the top end of the base 1 and on one side of the fixed vertical plate 2. A first lead screw 4 arranged horizontally is provided in the chute 3. A movable vertical plate 5 extending outside the chute 3 is sleeved on the outer wall of the first lead screw 4. On the side of the fixed vertical plate 2 close to the movable vertical plate 5, there is a first mounting seat 6. The first mounting seat 6 is connected to the fixed vertical plate 2 through a first rotating shaft 7. One side of the first rotating shaft 7 penetrates through the fixed vertical plate 2 and is connected to the driving end of a driving motor 18. On the side of the movable vertical plate 5 close to the fixed vertical plate 2, there is a second mounting seat 8. The second mounting seat 8 is connected to the movable vertical plate 5 through a second rotating shaft 9. A rubber tire placing roller 10 is provided between the first mounting seat 6 and the second mounting seat 8. One side of the rubber tire placing roller 10 is connected to the first mounting seat 6 through a first connecting rod 11. One side of the rubber tire placing roller 10 is connected to the second mounting seat 8 through a second connecting rod 12. A U-shaped frame 13 is provided at the top end of the base 1 and between the fixed vertical plate 2 and the movable vertical plate 5. The U-shaped frame 13 is connected to the base 1 through a hydraulic cylinder 14. A pressing roller 15 is provided in the U-shaped frame 13. A displacement sensor 16 is provided on the outer wall of the pressing roller 15. An expansion component is provided in the rubber tire placing roller 10. The expansion component includes an adjustment groove 22 provided in the rubber tire placing roller 10. A second lead screw 23 arranged horizontally is provided in the adjustment groove 22. Symmetrically arranged moving blocks 24 are sleeved on the outer wall of the second lead screw 23. A plurality of uniformly distributed placing grooves 25 communicating with the adjustment groove 22 are provided on the outer wall of the rubber tire placing roller 10. A jacking plate 26 is provided in the placing groove 25. The jacking plates 26 are respectively connected to the two groups of moving blocks 24 through movable rods 27. The second lead screw 23 is connected to the rubber tire placing roller 10 through a second bearing. An adjustment groove 28 is provided on one side of the second connecting rod 12. One side of the second lead screw 23 extends into the adjustment groove 28 and is connected to a first helical gear 29. A through hole matching the second lead screw 23 is provided on the second connecting rod 12. A third rotating shaft 30 is provided on the outer wall of the second connecting rod 12. A turntable 31 is fixedly provided at the top end of the third rotating shaft 30. The bottom end of the third rotating shaft 30 extends into the adjustment groove 28 and is connected to a second helical gear 32 meshing with the first helical gear 29. Threaded holes 33 matching the second lead screw 23 are provided on the two groups of moving blocks 24. The threading directions of the two threaded holes 33 are opposite. A guide rod 34 penetrating through the two groups of moving blocks 24 is provided in the adjustment groove 22. Slide holes matching the guide rod 34 are provided on the moving blocks 24. The movable rods 27 are respectively hinged to the moving blocks 24 and the jacking plates 26.After the rolling process, the inner wall of the rubber tire blank adheres to the rubber tire placing roller 10. At this time, the operator can rotate the turntable 31 to drive the third rotating shaft 30 to rotate. The third rotating shaft 30 drives the second helical gear 32 to rotate. The second helical gear 32 drives the first helical gear 29 to rotate. The first helical gear 29 drives the second lead screw 23 to rotate. The second lead screw 23 drives the two moving blocks 24 to move closer to each other. The two moving blocks 24 drive the movable rod 27 to push the lifting plate 26 out of the placing groove 25. During the lifting process of the lifting plate 26, the inner wall of the rubber tire blank is extruded, causing its aperture to expand. By setting the expansion component, after the rolling of the rubber tire is completed, the inner wall of the rubber tire can be extruded to expand the aperture of the rubber tire, and then the inner wall of the rubber tire is separated from the outer wall of the rubber tire placing roller, which is convenient for the operator to remove it and improves production efficiency.

[0034] In practical applications, when rolling the rubber tire blank, start the servo motor 17 to drive the first lead screw 4 to rotate. The first lead screw 4 drives the movable vertical plate 5 to move. The movable vertical plate 5 drives the second mounting seat 8 to move to one side and disengage from the second connecting rod 12. At this time, one side of the rubber tire placing roller 10 is opened. The operator puts the rubber tire blank on the rubber tire placing roller 10. Start the servo motor 17 to drive the first lead screw 4 to rotate. The first lead screw 4 drives the movable vertical plate 5 to move. The movable vertical plate 5 drives the second mounting seat 8 to move to the side close to the second connecting rod 12 until the second connecting rod 12 is inserted into the slot 20 on the second mounting seat 8. Then start the hydraulic cylinder 14 to drive the U-shaped frame 13 to move upward. The U-shaped frame 13 drives the pressing roller 15 to move upward until it contacts the outer wall of the rubber tire blank. Then start the drive motor 18 to drive the rubber tire placing roller 10 to rotate through the cooperation of the first rotating shaft 7 and the second rotating shaft 9. The rubber tire placing roller 10 drives the rubber tire blank to rotate and is rolled into shape by the pressing roller 15. By setting the first lead screw, the movable vertical plate, the second rotating shaft and the second mounting seat, it is convenient to open one side of the rubber tire placing roller, which is convenient for the operator to put the rubber tire to be processed on the rubber tire placing roller, and it is convenient and flexible to use; after the rolling is completed, the inner wall of the rubber tire blank adheres to the rubber tire placing roller 10. At this time, the operator can rotate the turntable 31 to drive the third rotating shaft 30 to rotate. The third rotating shaft 30 drives the second helical gear 32 to rotate. The second helical gear 32 drives the first helical gear 29 to rotate. The first helical gear 29 drives the second lead screw 23 to rotate. The second lead screw 23 drives the two moving blocks 24 to move closer to each other. The two moving blocks 24 drive the movable rod 27 to push the lifting plate 26 out of the placing groove 25. During the lifting process of the lifting plate 26, the inner wall of the rubber tire blank is extruded, causing its aperture to expand. By setting the expansion component, after the rolling of the rubber tire is completed, the inner wall of the rubber tire can be extruded to expand the aperture of the rubber tire, and then the inner wall of the rubber tire is separated from the outer wall of the rubber tire placing roller, which is convenient for the operator to remove it and improves production efficiency.

[0035] In summary, by means of the above technical solution of the present utility model, after the rubber tire is rolled, the inner wall of the rubber tire can be extruded by setting the expansion component, so that the aperture of the rubber tire is expanded, and then the inner wall of the rubber tire is separated from the outer wall of the rubber tire placing roller, which is convenient for personnel to remove it and improves production efficiency. By setting the first lead screw, the movable vertical plate, the second rotating shaft and the second mounting seat, it is convenient to open one side of the rubber tire placing roller, which is convenient for personnel to put the rubber tire to be processed on the rubber tire placing roller, and it is convenient and flexible to use.

[0036] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A rolling mechanism of a rubber tire forming machine, characterized in that, It includes a base (1). On one side of the top of the base (1), there is a fixed vertical plate (2). On the top of the base (1) and on one side of the fixed vertical plate (2), there is a chute (3). In the chute (3), there is a horizontally arranged first lead screw (4). An outer wall of the first lead screw (4) is sleeved with a movable vertical plate (5) extending outside the chute (3). On a side of the fixed vertical plate (2) close to the movable vertical plate (5), there is a first mounting seat (6). The first mounting seat (6) is connected to the fixed vertical plate (2) through a first rotating shaft (7). One side of the first rotating shaft (7) penetrates through the fixed vertical plate (2) and is connected to a driving end of a driving motor (18). On a side of the movable vertical plate (5) close to the fixed vertical plate (2), there is a second mounting seat (8). The second mounting seat (8) is connected to the movable vertical plate (5) through a second rotating shaft (9). Between the first mounting seat (6) and the second mounting seat (8), there is a rubber tire placing roller (10). One side of the rubber tire placing roller (10) is connected to the first mounting seat (6) through a first connecting rod (11). One side of the rubber tire placing roller (10) is connected to the second mounting seat (8) through a second connecting rod (12). On the top of the base (1) and between the fixed vertical plate (2) and the movable vertical plate (5), there is a U-shaped frame (13). The U-shaped frame (13) is connected to the base (1) through a hydraulic cylinder (14). In the U-shaped frame (13), there is a pressing roller (15). An outer wall of the pressing roller (15) is provided with a displacement sensor (16). In the rubber tire placing roller (10), there is an expansion component. The expansion component includes an adjustment groove one (22) formed in the rubber tire placing roller (10). In the adjustment groove one (22), there is a horizontally arranged second lead screw (23). Symmetrically arranged moving blocks (24) are sleeved on an outer wall of the second lead screw (23). On an outer wall of the rubber tire placing roller (10), there are a number of uniformly distributed placing grooves (25) communicating with the adjustment groove one (22). In the placing grooves (25), there are jacking plates (26). The jacking plates (26) are respectively connected to the two groups of moving blocks (24) through movable rods (27).

2. The rolling mechanism of a rubber tire molding machine according to claim 1, wherein The first lead screw (4) is connected to the base (1) through a first bearing. One side of the first lead screw (4) extends outside the base (1) and is connected to a driving end of a servo motor (17). A first threaded hole matching the first lead screw (4) is formed in the movable vertical plate (5).

3. The rolling mechanism of a rubber tire molding machine according to claim 1, characterized in that, The first connecting rod (11) is connected to the first mounting seat (6) through a flange plate (19). The flange plate (19) is connected to the first mounting seat (6) through bolts.

4. A rolling mechanism of a rubber tire molding machine according to claim 1, characterized in that, On one side of the second mounting seat (8), there is a slot (20) matching the second connecting rod (12). A limit key (21) is arranged on an outer wall of the second connecting rod (12). A key groove matching the limit key (21) is formed on an inner wall of the slot (20).

5. A rolling mechanism of a rubber tire forming machine according to claim 1, characterized in that, The second lead screw (23) is connected to the rubber tire placing roller (10) through a second bearing. An adjusting groove two (28) is provided on one side of the connecting rod two (12). One side of the second lead screw (23) extends into the adjusting groove two (28) and is connected to a first helical gear (29). A through hole matching the second lead screw (23) is provided on the connecting rod two (12). A third rotating shaft (30) is provided on the outer wall of the connecting rod two (12). A turntable (31) is fixedly provided at the top end of the third rotating shaft (30). The bottom end of the third rotating shaft (30) extends into the adjusting groove two (28) and is connected to a second helical gear (32) meshing with the first helical gear (29).

6. The rolling mechanism of a rubber tire molding machine according to claim 1, characterized in that, Threaded holes two (33) matching the second lead screw (23) are provided on both of the two moving blocks (24). The threading directions of the two threaded holes two (33) are opposite. A guide rod (34) passing through both of the two moving blocks (24) is provided in the adjusting groove one (22). Slide holes matching the guide rod (34) are provided on the moving blocks (24).

7. A rolling mechanism of a rubber tire molding machine according to claim 1, characterized in that, The movable rod (27) is respectively hinged to the moving block (24) and the jacking plate (26).

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