SU1699684A1

SU1699684A1 - Carriage of rotary drawing mill

Info

Publication number: SU1699684A1
Application number: SU874238538A
Authority: SU
Inventors: Равиль Ханифович Садыков; Тагир Хуснуллович Валиуллин
Original assignee: Казанский Авиационный Институт Им.А.Н.Туполева
Priority date: 1987-02-19
Filing date: 1987-02-19
Publication date: 1991-12-23

Abstract

Изобретение относитс к обработке металлов давлением, а именно к оборудованию дл ротационной выт жки и поперечной прокатки трубчатых заготовок, и может быть использовано в металлургической , машиностроительной и химической отрасл х промышленности. Цель изобретени - повышение качества прокатываемых изделий путем увеличени жесткости калибра и повышени стойкости регулировочных механизмов и расширение технологических возможностей путем изготовлени деталей различного диаметра с переменной толщиной стенки. Суппорт снабжен дополнительными гидроцилиндрами 9 одностороннего действи , установленными соосно с гидроцилиндрами 8 двустороннего действи . Дополнительные гидроцилиндры 9 имеют подвижные плунжеры (ПП) 5. ПП 5 контактируют с поперечными каретками 3 и их корпусами 2. От добавочного усили ПП 5 повышаетс жесткость калибра и разгружаютс через основание и регулируемые ст жные винты 18 механизмы радиальной регулировки, выполненные с черв чно-вин- товыми приводами 12, 13, За счет повышени жесткости калибра повышаетс точность получаемых изделий. 2 з.п. ф-лы, 4 ил. (Л СThe invention relates to the processing of metals by pressure, in particular to equipment for rotary drawing and cross rolling of tubular billets, and can be used in the metallurgical, machine-building and chemical industries. The purpose of the invention is to improve the quality of rolled products by increasing the stiffness of the caliber and increasing the durability of the adjustment mechanisms and expanding the technological capabilities by manufacturing parts of different diameters with variable wall thickness. The caliper is equipped with additional hydraulic cylinders 9 single-acting, mounted coaxially with hydraulic cylinders 8 double-acting. Additional hydraulic cylinders 9 have movable plungers (PP) 5. PP 5 are in contact with transverse carriages 3 and their housings 2. The additional pressure of PP 5 increases gauge rigidity and unloads through the base and adjustable clamp screws 18 radial adjustment mechanisms made from the hearth screw drives 12, 13. By increasing the rigidity of the gauge, the accuracy of the resulting products is improved. 2 hp f-ly, 4 ill. (Ls

Description

7575

1 161 16

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Фие.2Fie.2

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Claims

Claim

1. The caliper of the mill for rotational hoods, comprising a base with housings mounted on it to accommodate transverse carriages with rollers, mechanisms for radially adjusting the caliber of the rollers installed in the carriage housings and made in the form of a rod, push mechanisms in the form of double-acting movable hydraulic cylinders and pistons, mounted on rods, characterized in that, in order to improve the quality of rolled products 5, it is equipped with additional hydraulic cylinders located in the transverse carriages coaxially with the hydraulic cylinders single-acting frames having movable plungers installed with the possibility of interaction with screws located above the horizontal axis of the caliper, connecting the carriage bodies with pins and bolts for fixing the positions of the carriages on the base.

3. The support according to claim 1, with the fact that, in order to expand technological capabilities by manufacturing parts with variable wall thickness, the mechanisms for radial adjustment of the caliber of the rollers are made with worm-screw drives .

transverse carriages and their bodies.

2. Supprt p, 1, characterized

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