SU626932A1

SU626932A1 - Component clamping device

Info

Publication number: SU626932A1
Application number: SU752154533A
Authority: SU
Inventors: Давид Маркович Блюменкранц; Даниил Григорьевич Письменный; Виталий Григорьевич Ситко
Original assignee: Предприятие П/Я А-7676
Priority date: 1975-07-09
Filing date: 1975-07-09
Publication date: 1978-10-05

Description

Изобретение относитс к станкостроению , а именно к оснастке дл металлорежущих станков.The invention relates to a machine tool industry, in particular to tooling for machine tools.

Известно устройство дл зажима деталей , выполненное в виде основани с опор ными плоскост ми, на котором размешены цве пары зажимных элементов, кажда вз которых выполнена в ввще рычагов, шейных на общей оси штока поршн , конпы которых опираютс на фасонную планKy lj ..A device for clamping parts, made in the form of a base with support planes, is known, on which there are two colored clamping elements, each of which is made in the levers of the neck on the common axis of the piston rod, which are supported on a shaped plan Ky lj.

Однако это устройство не обеспечивает достаточной точности обработки.However, this device does not provide sufficient processing accuracy.

Цель изобретени - повышение точно- сти обработки.The purpose of the invention is to increase the processing accuracy.

Указанна цель достигаетс тем, что в предлагйемом устройстве фасонна планка выполнена в виде призмы, а концы рычагов снабжены роликами, размешенными с возможностью взаимодействи с рабочими поверхност ми призмы и деталью.This goal is achieved by the fact that, in the proposed device, the shaped plate is made in the form of a prism, and the ends of the levers are provided with rollers mixed with the ability to interact with the working surfaces of the prism and the part.

На фиг. 1 изображено описываемое устройство в раз|)езе; на фиг. 2 - разрез А-А фиг. 1.FIG. 1 shows the described device at times |); in fig. 2 - section A-A of FIG. one.

Основание 1 устройства выполнено из двух элементов с опорными плоскост ми, на основании размещены две пары зажимных элементов, кажда из которых выполнена в виде рычагов 2, расположенных на обшей оси 3 штока 4 поршн , концы которых снабжены роликами 5,, размешенными с возможностью взаимодействи с рабочими поверхност ми 6 и 7 призмы 8 и деталыонвалом 9.The device base 1 is made of two elements with supporting planes; two pairs of clamping elements are placed on the base, each of which is made in the form of levers 2 located on the axial axis 3 of the piston rod 4 pistons, the ends of which are provided with rollers 5, which can be interchanged with working surfaces 6 and 7 of the prism 8 and the details of the shaft 9.

Работает устройство следуюшим образом .The device works as follows.

При верхнем положении поршней обе пары рычагов 2 наход тс в раскрытом состо нии и рассто ние между рычагами больше диаметра базовой шейки обрабатываемой детали- ала 9. Деталь устанавливаетс на рычаги 2, штоки 4 поршней опускаютс вместе с рычагами 2 и деталью 9. Деталь устанавливаетс на опорные плоскости, ориентируетс горизонтально и останавливаетс .In the upper position of the pistons, both pairs of levers 2 are in the opened state and the distance between the levers is larger than the diameter of the base neck of the workpiece 9. The part is mounted on the levers 2, the piston rods 4 are lowered together with the levers 2 and the part 9. The part is set to the reference planes are oriented horizontally and stop.

Claims

Upon further movement of the rods 4 down between the levers 2 and the necks of the shaft 9, a gap arises, and the rollers 5, the qi of the indractive surfaces, cHHxpoirao slipping along the surfaces 6 and 7 of the prism, approach each other by centering the shaft in a vertical plane. Since the lines of contact of the rollers 5 with the base shafts of the shaft are located above the axis of the shaft, the force of the power tugotinder through the rod 4, the levers 2 and the rollers 5 is transferred to the shaft to be machined and closes on the base horizon-tal plane, clamping the part. Unclamping parts in reverse order. Claims An apparatus for clamping parts, made in the form of a base with supporting planes, on which are placed two pairs of clamping elements, each of which is made in a way of levers placed on a common axis of the piston rod, the core of which rests on a shaped bar, characterized in t in order to improve the machining accuracy, the fascia bar is made in the form of a prism, and the ends of the levers are equipped with pulleys placed with the possibility of interaction with the working surfaces of the prism and the part. Sources of information taken into account during the examination: 1, Yu. I. Kuznetsov. Machine tools with hydraulic drives. M., Mechanical Engineering, 1974, p. 105, rice, 43c,