Novel tire cord calender

Abstract

The invention discloses a novel tire cord calender, which comprises left and right racks, wherein a traction roller frame extending forwards is arranged at each of the upper ends of the front sides of the left and right racks, upper and lower traction rollers are separately arranged between the upper and lower ends of the left side traction roller frame as well as between the upper and lower ends of the right side traction roller frame; a punching roller mounting plate extending forwards is arranged at each of the middle parts of the front sides of the left and right side traction roller frames; a punching roller is arranged between the left and right side punching roller mounting plats; multiple bolt blind holes are formed in the roller surface of the punching roller; punching pin components are arranged in the bolt blind holes; each punching pin component comprises a mount; a screw is arranged at the lower surface of each mount; a punching pin is arranged at the upper surface of each mount; each punching pin component is arranged in a bolt blind hole through the corresponding screw. The novel tire cord calender is reasonable in design; as the punching roller is arranged between the upper and lower traction rollers, bubbles in a tire cord can be removed through punching during cord production, the tire product quality is guaranteed and layer separation is avoided.

Description

technical field [0001] The invention relates to a novel tire cord calender. Background technique [0002] The ply is the skeleton of the pneumatic tire, which is made up of several layers of rubberized cords, and it bears most of the load acting on the tire. [0003] For ordinary tires, the number of ply layers is generally an even number such as 4-18 layers. The number of layers of radial tires is an odd number of layers, such as 1-5 layers. Tire ply is produced by a ply calender. The calender includes a left frame and a right frame, and rollers are installed between the left frame and the right frame, and the surface of the cord coming out of the calender is coated with a cord compound. In order to bond multi-layer cords, the upper ends of the front sides of the left frame and the right frame are respectively provided with traction roller frames protruding forward, and upper traction rollers are respectively installed between the upper ends and lower ends of the tractio...

AI Technical Summary

Problems solved by technology

Bubbles are easy to form in the middle of the cord after gluing. If the bubbles are not removed in time, it will eventually cause the tire cord to delaminate, and even cause the cord to delaminate from the tread.

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