Tyre bead automatic locking device for shaping machine shaping drum
An automatic locking and forming drum technology, applied in the field of rubber machinery, can solve the problems of difficult installation and disassembly of the two-stage forming carcass, and achieve the effect of improving production efficiency and improving coaxiality.
Active Publication Date: 2008-05-28
CHINA CHEM GUILIN ENG
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Problems solved by technology
[0003] Aiming at the problem of difficult installation and disassembly of the two-stage formed carcass, the purpose of the present invention is to design an automatic bead locker, which can shrink the diameter and become smaller during the loading and unloading process of the carcass, which is beneficial to the carcass and the raw tire. Loading and unloading, after the carcass is installed in place, the diameter of the automatic locking device will increase to lock the bead, which will help reduce the labor intensity of workers during loading and unloading and improve labor production efficiency
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[0016] The present invention is an automatic bead locker for a forming drum of a forming machine. One embodiment is shown in FIG. , Wrong-tooth fixed disc 7, wrong-toothed disc 8, pulling disc 9, locking block 10, driving pin 11, guide key 12 are formed, and are divided into left and right two sets.
[0017] The bead fixing disc 3 is set on the hollow main shaft 1 of the forming drum of the forming machine and placed opposite to the second-stage forming carcass. The bead fixing disc 3 can move towards and away from each other synchronously along the hollow main shaft 1 in the axial direction; the bead is fixed The shaft seat 4 is coaxially fixed on the opposite end surface of the disk 3, and the shaft seat 4 is also set on the hollow main shaft 1, and the step shaft at the opposite end of the bead fixed disk 3 is coaxially fixed to the wrong-tooth fixed disk 7, and the wrong-tooth fixed disk 7. The upper coaxial set fixes the staggered tooth plate 8, and the end surfaces of th...
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The invention provides a bead automatic lock of a forming drum of a forming machine. The invention is characterized in that a pulling disc is pushed by a gas cylinder; a locking block is driven in stroke range of the gas cylinder with stepless adjustable diameter changes. In the disassembly and assembly process of a bead body, the diameter of the invention can be contracted, which is beneficial for the disassembly and assembly of the bead body and a raw bead. After the bead body is arranged in place, the diameter of the automatic locking device is increased, and the bead is tightly locked, thus being beneficial for reducing the labor intensity of workers in the disassembly and assembly process of tyres, improving the labor production efficiency, and improving the coaxiality between the bead body and the forming drum.
Description
(1) Technical field: [0001] The invention belongs to rubber machinery, in particular to an automatic bead locker on a tire building drum. (two) background technology: [0002] At present, giant tires or engineering tires are characterized by large tire dimensions, large load-carrying capacity, and carcass weight. When using the secondary method, the carcass needs to be removed from the first-stage forming drum and reinstalled on the second-stage forming drum. Since the bead of the second-stage forming carcass has been turned up and formed, the hardness and rigidity are large, and it must be fitted in a consistent manner. On the bead fixing seat of the second-stage building drum, it is very difficult to make the sidewall of the second-stage forming carcass flat against the end face of the staggered tooth disc installed coaxially with the bead fixing seat, which not only wastes time, but also affects work efficiency , and after the molding is completed, it is difficult to exi...
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IPC IPC(8): B29D30/26B29D30/32
Inventor 周升平易冬旺
Owner CHINA CHEM GUILIN ENG