Tyre pushing device for tyre shaping and curing press
A technology for shaping and vulcanizing tires, which is applied in the field of ejection devices and tire pushing devices for tire shaping and vulcanizing machines. It can solve the problems of placing jacking devices and the bottom of difficult racks, and achieves easy processing and installation, low cost and simple structure. Effect
Inactive Publication Date: 2014-04-30
JIANGSU YIER ELECTROMECHANICAL
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Problems solved by technology
In actual operation, it is hoped that the jacking force will gradually decrease and the jacking speed will change from fast to slow, which is difficult to achieve by direct jacking
Moreover, it is often difficult to install a jacking device at the bottom of the frame for dual-mode tire shaping and vulcanizing machines with limited height.
Method used
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Embodiment
[0014] The basic structure of the tire pushing device of the tire shaping vulcanizer in this embodiment is as follows: figure 1 As shown, it includes a frame 1 supporting a lower mold 10 with a central perforation on the table, and a chuck 9 is placed on the perforation of the lower mold 10 . Frame 1 and the top rod 8 that can pass through the perforation constitute a vertically movable pair. The hinge supports 2 and 3 of the hinge lever 6 are fixed in the middle of the column on one side of the frame 10, the outer section 6-1 end of the lever is hinged with the extended end of the hydraulic cylinder 7 piston rod, and the hydraulic cylinder 7 is away from the end of the piston rod Hinged on the lower surface of the table, the lower end of the push rod 8 has a horizontal direction chute, and the end of the inner section 6-2 of the lever 6 is a round head that is movably matched with the chute. The center of the round head is on the extension line of the connecting line between...
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The invention relates to a tyre pushing device for a tyre shaping and curing press, and belongs to the technical field of rubber curing machinery. The device comprises a rack of a lower mold with a central penetration supported on a table board, wherein the rack and a push rod of which the top end can penetrate through the penetration form a vertical movable pair; a hinged support of a lever is fixedly hinged in the middle of a column arranged at one side of the rack, and the outer end of the lever is hinged with the outer extending end of a piston rod of a hydraulic cylinder; one end of the hydraulic cylinder which is away from the piston rod is arranged on the lower surface of the table board in a hinged way, and the lower end of the push rod is provided with a sliding groove in the horizontal direction; and the inner end of the lever is in a round head shape which is movably fit with the sliding groove. When the piston rod of the hydraulic cylinder is in a retracted limit position, the axis of the piston rod is perpendicular to a connecting line of the hinged center of the lever and the hinged center of the outer end of the lever. The tyre pushing device has the advantages of simple structure, skilful design, easiness in processing and installation, and low cost, with the invention, the phenomenon that a tyre has flash, or even the tyre is scrapped can be avoided, and the quality and the production efficiency of the tyre is favorably ensured.
Description
technical field [0001] The invention relates to an ejecting device for a rubber tire after molding, in particular to a tire pushing device for a tire shaping vulcanizer, and belongs to the technical field of rubber vulcanization machinery. Background technique [0002] The double-mode tire shaping vulcanizer needs to push the tire out of the lower mold after the tire vulcanization is completed. The search found (see the Chinese patent documents with application numbers 201020113201.X and 201120140189.6) that both the prior art and the conventional ejection mechanism use devices such as jacking cylinders to eject directly from bottom to top. In actual operation, it is hoped that the jacking force will gradually decrease and the jacking speed will change from fast to slow, which is difficult to achieve by direct jacking. And it is often difficult to place a jacking device at the bottom of the frame for the dual-mode tire shaping and vulcanizing machine with its own height lim...
Claims
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IPC IPC(8): B29C35/00B29C33/34
Inventor 李新春管亚峰刘国新王家彬
Owner JIANGSU YIER ELECTROMECHANICAL