Novel roll structure for manufacturing variable cross-section plate spring

Abstract

The invention provides a novel roll structure for manufacturing variable-section leaf springs, including a transverse roll body and a roll shaft. The roll shaft includes roll shaft Ⅰ, roll shaft Ⅱ and roll shaft Ⅲ, the roll shaft Ⅲ is horizontally arranged on the left and right sides of the roll body, the middle of the roll shaft Ⅲ is provided with a roll body, and the roll body includes the roll shaft Ⅰ fixed on the roll shaft Ⅲ , the roll shaft II fixed on the right side of the roll shaft I, the detachable roll alloy sleeve set on the roll shaft II, and the spacer fixed on the right side of the roll shaft II, the roll shaft II and the roll alloy sleeve are provided with key grooves , A matching square key is placed in the keyway, and two round nuts are fixed on the spacer. The invention changes the original integral roll into a split roll, which saves materials and improves the inconvenience of roll maintenance and replacement; adopts high-nickel alloy material, has high wear resistance and long service life; novel and simple structure, simple operation, and good product appearance , can effectively and quickly roll out the variable cross-section leaf spring products that meet the requirements.

Description

technical field [0001] The invention relates to the technical field of roll structures, in particular to a novel roll structure for manufacturing variable-section leaf springs. The roll structure is light in weight, high in work efficiency and easy to maintain. Background technique [0002] The leaf spring is an important part of the automobile suspension system, which plays the role of transmitting and buffering all forces and moments between the frame and the wheels. Currently used leaf spring reeds have equal cross-section structures and variable cross-section structures. The constant section structure is a traditional trapezoidal structure, the reeds are in close contact, the pressure is high, the friction is serious, the heat is high, the fatigue is easy, the fracture is wasteful, and the material is wasted; the variable section leaf spring is a new type of leaf spring, the reed There is almost no contact between them, and it has the advantages of small friction, anti-...

AI Technical Summary

Problems solved by technology

[0003] Most of the existing rolls use integral structure rolls. The original design rolls use infinite chilled ductile iron, which is an alloy ductile iron containing Cr, Ni, and Mo. The material is expensive and the roll is heavy as a whole, which is not easy to maintain. Replacement, and the rolls are severely worn during use. Once the wear limit is reached, the rolls can only be scrapped as a whole, resulting in a large waste of resources and increasing the purchase cost of the rolls.

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