General device for center mechanism of giant tire of engineering radial tire

Abstract

The utility model relates to a universal device for a giant tire center mechanism of an engineering radial tire, and belongs to the field of tire production equipment. The center mechanism oil cylinder is fixed between the vulcanizing machine base and the center mechanism base and can drive the center mechanism cylinder barrel connected with the center mechanism base to move in the positioning guide sleeve, and a contraction water inlet and a straightening water inlet are formed in the lower end of the center mechanism cylinder barrel. A shrinkage water inlet can convey a power medium into a center rod of the center mechanism through a shrinkage center guide pipe, a lower piston is fixed to the lower end of the center rod of the center mechanism, an upper piston and a shaping height adjusting sleeve are arranged in the middle of the center rod of the center mechanism, and a straightening height adjusting sleeve is arranged between the upper piston and the lower piston. A capsule lower clamp fixing wire is arranged at the top of the center mechanism cylinder barrel, a center mechanism cylinder cover is installed at the top of the capsule lower clamp fixing wire, and a center mechanism base fixing wire hole is formed in the upper portion of the center mechanism base and connected with a center mechanism base fixing wire at the bottom of the center mechanism cylinder barrel.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tire production equipment, in detail is a kind of engineering meridian tire giant tire center mechanism general device. BACKGROUND

[0002] It is known that in the field of tire production and manufacturing, tire production process mainly includes four main links of mixing process, calendering and extruding process, forming process and vulcanization process, but due to the size limitation of large engineering meridian giant tire, forming and vulcanization process equipment, it is difficult to simultaneously meet the production of 49 inch to 57 inch specifications, the traditional forming machine is designed for 49-51 inch and 51-57 inch two machine type range, but due to the large difference of tire outer circumference, vulcanization machine must be designed 170-188 inch vulcanization size range, at present, due to the change of tire outer circumference, the vulcanization machine steam type size and center mechanism size are enlarged in the same proportion during design, spare parts size is not uniform, especially the size of key spare parts of center mechanism is not the same, which leads to that large inch opening vulcanization machine cannot produce tire outer circumference too small specification, causes the operation efficiency of vulcanization machine to be insufficient, causes the waste of equipment capacity, and spare parts is not uniform, key spare parts reserve quantity increases, causes the waste of spare parts reserve cost. SUMMARY

[0003] In order to overcome the deficiencies of the prior art, the utility model provides a kind of engineering meridian tire giant tire center mechanism general device, meet the production interchangeability of each inch opening machine, play the capacity of existing equipment, and after spare parts are uniform, only need to reserve a kind of new center mechanism and related accessories can meet the spare parts replacement of different inch opening vulcanization machine.

[0004] The utility model discloses a technical scheme that solves its technical problem is: a kind of engineering radial tire giant tire center mechanism general device, it is equipped with vulcanizing machine base, its characterized in that, two center mechanism oil cylinders are fixed symmetrically in the lower part of vulcanizing machine base, the other end of two center mechanism oil cylinders is connected with center mechanism base, the center mechanism cylinder connected with center mechanism base can be driven to do lifting reciprocating motion in positioning guide bushing by center mechanism oil cylinder, contraction inlet and straightening inlet are equipped in the lower end of center mechanism cylinder, power medium can be delivered into center mechanism center rod by contraction center guide pipe through contraction inlet, lower piston is fixed in the lower end of center mechanism center rod, upper piston and shaping height adjusting sleeve are equipped in the middle part of center mechanism center rod, straightening height adjusting sleeve is equipped between upper piston and lower piston, capsule lower clamp fixing wire is equipped on the top of center mechanism cylinder, and center mechanism cylinder cover is installed on the top of capsule lower clamp fixing wire, center mechanism base fixing wire hole on the upper part of center mechanism base is connected with center mechanism base fixing wire on the bottom of center mechanism cylinder, heightening pad block A and heightening pad block B are equipped between the bottom of center mechanism cylinder and center mechanism base, heightening pad block A and heightening pad block B are equipped with heightening pad block A fixed wire hole and heightening pad block A fixed wire, heightening pad block B fixed wire hole and heightening pad block B fixed wire of thread cooperation.

[0005] The top of the center mechanism center rod is provided with a center mechanism fixed wire.

[0006] The utility model discloses the beneficial effect is, can solve the vulcanizing machine because of the change of tire outer perimeter, by the steam type size of vulcanizing machine and the size of center mechanism, lead to big inch mouth vulcanizing machine cannot produce tire outer perimeter too small specification, cause the operation efficiency of vulcanizing machine to be insufficient, cause the waste of equipment productivity, and spare parts are not unified, and key spare parts reserve volume increase, cause the waste of spare parts reserve cost, maximum limit's promotion productivity utilization rate and reduction maintenance spare parts reserve cost. BRIEF DESCRIPTION OF DRAWINGS

[0007] The utility model is further described below in connection with the drawings and examples.

[0008] Figure 1 The utility model discloses the contraction schematic diagram.

[0009] Figure 2 The utility model discloses the contraction schematic diagram of heightening pad block.

[0010] Figure 3 The utility model discloses the rising straightening state schematic diagram.

[0011] Figure 4 The utility model discloses the rising straightening state schematic diagram of heightening pad block.

[0012] Figure 5 The utility model discloses Figure 2Enlarged schematic diagram of section C.

[0013] Figure 6 This utility model Figure 3 Enlarged schematic diagram of section D in the middle.

[0014] In the diagram: 1. Vulcanizing machine base; 2. Central mechanism cylinder; 3. Central mechanism base; 4. Central mechanism cylinder barrel; 5. Positioning guide sleeve; 6. Contraction inlet; 7. Straightening inlet; 8. Contraction central guide tube; 9. Lower piston; 10. Upper piston; 11. Straightening height adjustment sleeve; 12. Shaping height adjustment sleeve; 13. Central mechanism center rod; 14. Central mechanism fixing screw; 15. Capsule lower clamp fixing screw; 16. Central mechanism cylinder cover; 17. Central mechanism base fixing screw hole; 18. Central mechanism base fixing screw; 19. Heightening pad A; 20. Heightening pad B; 21. Heightening pad A fixing screw hole; 22. Heightening pad B fixing screw; 23. Heightening pad A fixing screw; 24. Heightening pad B fixing screw hole. Detailed Implementation

[0015] In the figure, this utility model includes a vulcanizing machine base 1. Two central mechanism cylinders 2 are symmetrically fixed at the lower part of the vulcanizing machine base 1. The other end of the two central mechanism cylinders 2 is connected to the central mechanism base 3. The lifting and lowering action of the central mechanism cylinders 2 can drive the central mechanism cylinder 4, which is fixed to the central mechanism base 3, to perform lifting and reciprocating motion within the positioning guide sleeve 5. A contraction inlet 6 and a straightening inlet 7 are provided at the lower end of the central mechanism cylinder 4. The contraction inlet 6 can transport the power medium to the central mechanism central rod 13 through the contraction central guide tube 8. A lower piston 9 is fixed at the lower end of the central mechanism central rod 13. An upper piston 10 and a shaping height adjustment sleeve 12 are provided in the middle part of the central mechanism central rod 13. A straightening height adjustment sleeve 11 is provided between the plugs 9. A central mechanism fixing wire 14 is provided at the top of the central rod 13 of the central mechanism. A capsule lower clamp fixing wire 15 is provided at the top of the central mechanism cylinder 4. A central mechanism cylinder cover 16 is installed on the top of the capsule lower clamp fixing wire 15. A central mechanism base fixing wire hole 17 is provided on the upper part of the central mechanism base 3, which is connected to the central mechanism base fixing wire 18 at the bottom of the central mechanism cylinder 4. A heightening pad A19 and a heightening pad B20 are provided between the bottom of the central mechanism cylinder 4 and the central mechanism base 3. Both the heightening pad A19 and the heightening pad B20 are provided with a heightening pad A fixing wire hole 21 and a heightening pad A fixing wire 23, a heightening pad B fixing wire hole 24 and a heightening pad B fixing wire 22.

[0016] The specific operation scheme is that when the engineering radial tire giant tire center mechanism universal device is installed on the 170 inch and 177 inch curing machine, the center mechanism base fixing wire 18 at the lower end of the center mechanism cylinder 4 is connected with the center mechanism base fixing wire hole 17 on the center mechanism base 3, the lower mold is installed on the lower disc of the curing machine, the straightening height adjusting sleeve 11 between the intermediate part of the center mechanism center rod 13, the upper piston 10 and the shaping height adjusting sleeve 12 provided thereon and the lower piston 9 is adjusted according to the process standard, the shaping height adjustment and the straightening height adjustment are performed, the curing capsule is fixed on the capsule lower clamp fixing wire 15 provided at the top of the center mechanism cylinder 4, and the center mechanism fixing wire 14 at the top of the center mechanism center rod 13 is tightly fastened. The switch is operated, the straightening water inlet pneumatic valve is opened, under the sealing action of the lower piston 9 and the center mechanism cylinder 4, the medium in the straightening water inlet 7 enters the sealing cavity at the bottom of the lower piston 9, and under the action of the power, the lower piston 9 drives the center mechanism center rod 13, the upper piston 10, the straightening height adjusting sleeve 11, the shaping height adjusting sleeve 12 and the center mechanism fixing wire 14 on the fixed part of the curing capsule to rise, the interval between the capsule lower clamp fixing wire 15 and the center mechanism fixing wire 14 is increased, and the curing capsule is straightened longitudinally. The contraction water inlet pneumatic valve is opened, the medium in the contraction water inlet 6 enters the center mechanism center rod 13 through the contraction center guide pipe 8, and enters the upper part of the lower piston 9 through the water passing hole between the lower piston 9 and the upper piston 10 at the bottom half of the center mechanism center rod 13, under the sealing action of the lower piston 9 and the center mechanism cylinder 4 and the medium power, the lower piston 9 drives the center mechanism center rod 13, the upper piston 10, the straightening height adjusting sleeve 11, the shaping height adjusting sleeve 12 and the center mechanism fixing wire 14 on the fixed part of the curing capsule to lower, the interval between the capsule lower clamp fixing wire 15 and the center mechanism fixing wire 14 is reduced, and the curing capsule is longitudinally contracted, so as to realize the straightening and contraction function. The switch is operated, the center mechanism oil cylinder 2 is driven, all the parts in the center mechanism base 3 and the center mechanism cylinder 4 and the curing capsule fixed on the center mechanism center rod 13 and the capsule lower clamp fixing wire 15 are driven to make the upward linear motion in the positioning guide sleeve 5 with the curing machine base 1 as the fixed point, so as to complete the upward movement of the lower steel ring and complete the tire taking function of the lower mold, and the switch is operated in the opposite direction to drive the center mechanism oil cylinder 2 to complete the downward linear motion in the positioning guide sleeve 5 with the curing machine base 1 as the fixed point, so as to complete the downward function of the lower steel ring.

[0017] When the general device of the center mechanism of the radial tire engineering giant tire is installed on the curing machine with a size of 177 inches to 188 inches, the fixed wire hole 24 of the high pad B of the high pad B 20 is connected with the center mechanism base fixed wire 18 at the lower end of the center mechanism cylinder 4 of the center mechanism device, then the high pad A fixed wire hole 21 of the high pad A 19 is connected with the high pad B fixed wire 22 of the high pad B 20, and then the center mechanism base fixed wire hole 17 is connected with the high pad A fixed wire 23 of the high pad A 19, after which the lower mold is installed on the lower disc of the curing machine, and the middle part of the center rod 13 of the center mechanism is provided with the upper piston 10 and the shaping height adjusting sleeve 12, and the straightening height adjusting sleeve 11 between the upper piston 10 and the lower piston 9 is adjusted according to the process standard, the shaping height adjustment and the straightening height adjustment are performed, the curing capsule is fixed on the capsule lower clamp fixed wire 15 provided at the top of the center mechanism cylinder 4, and the center mechanism fixed wire 14 at the top of the center rod 13 of the center mechanism is tightly fastened. The switch is operated to open the straightening water inlet pneumatic valve, under the sealing action of the lower piston 9 and the center mechanism cylinder 4, the medium in the straightening water inlet 7 enters the bottom sealing cavity of the lower piston 9, and under the action of the power, the lower piston 9 pushes the center rod 13 of the center mechanism, the upper piston 10, the straightening height adjusting sleeve 11, the shaping height adjusting sleeve 12 and the center mechanism fixed wire 14 of the curing capsule to rise, increases the distance between the capsule lower clamp fixed wire 15 and the center mechanism fixed wire 14, and straightens the curing capsule longitudinally. The contraction water inlet pneumatic valve is opened, the medium in the contraction water inlet 6 enters the center rod 13 of the center mechanism through the contraction center conduit 8, and then enters the upper part of the lower piston 9 through the water passage around the lower piston 9 and the upper piston 10 at the bottom half of the center rod 13 of the center mechanism, under the sealing action of the lower piston 9 and the center mechanism cylinder 4 and the medium power, the lower piston 9 descends to drive the center rod 13 of the center mechanism, the upper piston 10, the straightening height adjusting sleeve 11, the shaping height adjusting sleeve 12 and the center mechanism fixed wire 14 of the curing capsule to contract and reduce the distance between the capsule lower clamp fixed wire 15 and the center mechanism fixed wire 14, thereby realizing the straightening and contraction function. The switch is operated to drive the center mechanism oil cylinder 2, taking the curing machine base 1 as the fixed point, to drive the center mechanism base 3, the high pad A 19, the high pad B 20, all the components in the center mechanism cylinder 4 and the curing capsule fixed on the center rod 13 of the center mechanism and the capsule lower clamp fixed wire 15 to make straight line motion in the positioning guide sleeve 5, thereby completing the rising of the lower steel ring and the function of taking the tire from the lower mold. The switch is operated in the opposite direction to drive the center mechanism oil cylinder 2 to complete the straight line motion of the center mechanism base 3, all the components in the center mechanism cylinder 4 and the curing capsule fixed on the center rod 13 of the center mechanism and the capsule lower clamp fixed wire 15 in the positioning guide sleeve 5, taking the curing machine base 1 as the fixed point, thereby completing the function of the lowering of the lower steel ring.Finally, a central mechanism is achieved to meet the use of multiple models, after the uniformity of the lower clamp fixing the wire 15, all specifications of the capsule clamp machine are universal, under the premise of ensuring that the steam chamber can meet the mold installation space, the interchangeability of 49-57 inch curing mold machine is increased, the equipment utilization is improved, and the comprehensive efficiency of the equipment is improved.

Claims

1. A universal device for engineering radial tire giant tire center mechanism, provided with a vulcanizing machine base, characterized in that, Two center mechanism oil cylinders are symmetrically fixed at the lower part of the vulcanizing machine base, the other end of the two center mechanism oil cylinders is connected with the center mechanism base, the center mechanism cylinder connected with the center mechanism base can be driven to do lifting and reciprocating motion in the positioning guide sleeve through the center mechanism oil cylinder, the contraction water inlet and the straightening water inlet are arranged at the lower end of the center mechanism cylinder, the power medium can be delivered into the center mechanism center rod through the contraction center guide pipe, the lower piston is fixed at the lower end of the center mechanism center rod, the upper piston and the shaping height adjusting sleeve are arranged at the middle part of the center mechanism center rod, the straightening height adjusting sleeve is arranged between the upper piston and the lower piston, the capsule lower clamp fixing wire is arranged at the top of the center mechanism cylinder, the center mechanism cylinder cover is installed at the top of the capsule lower clamp fixing wire, the center mechanism base fixing wire hole is arranged at the upper part of the center mechanism base and is connected with the center mechanism base fixing wire at the bottom of the center mechanism cylinder, the height increasing pad A and the height increasing pad B are arranged between the bottom of the center mechanism cylinder and the center mechanism base, the height increasing pad A and the height increasing pad B are both provided with the height increasing pad A fixing wire hole and the height increasing pad A fixing wire, the height increasing pad B fixing wire hole and the height increasing pad B fixing wire.

2. The universal device for the center mechanism of a giant tire for an engineering radial tire according to claim 1, characterized in that The top of the center mechanism center rod is provided with a center mechanism fixing wire.

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