SU1708538A1

SU1708538A1 - Expanding mandrel

Info

Publication number: SU1708538A1
Application number: SU894707596A
Authority: SU
Inventors: Леонид Бейсахович Ганзбург; Валентин Иосифович Бородянский; Александр Алексеевич Лысов; Юрий Борисович Осипов; Кирилл Павлович Помпеев
Original assignee: Северо-Западный Заочный Политехнический Институт
Priority date: 1989-06-19
Filing date: 1989-06-19
Publication date: 1992-01-30

Abstract

Изобретение относитс к устройствам дл зажима заготовок с различной формой отверсти и может быть использовано в машиностроении и приборостроении дл повышени томно-.-позиционировани заготовок при', установке их в 'приспособлени в услови х гибких производственныхсистем (ГПС). Цель изобретени - расширение технологических возмож- ^ ностей за счет увеличени номенклатуры зажимаемых деталей. На боковых гран х призмы 6 ориентирующего элемента 5 в плоскости 1 выполнены скосы G и М. Плоскость I перпендикул рна плоскости'II, проход щей через ось симметрии оправки и пазы .2 корпуса 1..В пазах 2 размещены центрирующе-зажимные элементы 3 и 4 со скосами. Через ориентирующий элемент 5 и центрирующе-зажимные элементы 3 и ^t проходит приводна т га 8 с клиновыми поверхност ми. Расположение центрирующих плоско- ; стей I и II с разворотом по отношению, друг к другу на 90° обеспе- ; чивает беззазорное центрирование заготовки по отверстию. 4 ил.(Л00елоо;обSm^r,^,^e.i,u,<,^^,^>&e ^^«J^?,The invention relates to devices for clamping workpieces with various hole shapes and can be used in mechanical engineering and instrumentation to increase the volume-positioning of workpieces when they are installed in devices under flexible manufacturing systems (FMS). The purpose of the invention is the expansion of technological capabilities by increasing the range of clamped parts. On the lateral faces of the prism 6 of the orienting element 5 in plane 1, the bevels G and M. are made. 4 with bevels. Through the orienting element 5 and the centering-clamping elements 3 and ^ t there is a drive train 8 with wedge surfaces. The location of the centering flat; stages I and II with a turn in relation to each other at 90 ° ensured; nozzle gap centering of the workpiece over the hole 4 ill. (L00eloo; obSm ^ r, ^, ^ e.i, u, < ^, ^ ^, ^ > & e ^^ "J ^ ?,

Description

Изобретение относится к устройствам для зажима заготовок с различной формой отверстия и может быть использовано в машиностроении и при- $ боростроении для повышения точности позиционирования заготовок при установке их в приспособления в условиях гибких производственных систем (гпс). . 10The invention relates to devices for clamping workpieces with various hole shapes and can be used in mechanical engineering and instrument engineering to improve the accuracy of positioning workpieces when installing them in devices in flexible production systems (GPS). . 10

Цель изобретения - расширение технологических возможностей за счет увеличения номенклатуры зажимаемых деталей»The purpose of the invention is the expansion of technological capabilities by increasing the range of clamped parts "

На фиг. 1 изображена оправка, об- 15 щий вид; на фиг. 2 - разрез А-А на фиг.1; на фиг. 3 ~ разрез 5-Б на фиг.1; на фиг. 4 - аксонометрическая проекция устройства.In FIG. 1 shows a mandrel in general view; in FIG. 2 - section aa in figure 1; in FIG. 3 ~ section 5-B in figure 1; in FIG. 4 - axonometric projection of the device.

В корпусе 1 оправки выполнены па- 20 зы 2, в которых размещены центриίрующе-зажимные элементы 3 и ^со'скосами ВиС. В корпусе 1 установлен с возможностью осевого перемещения ориентирующий элемент, который выпол-25 нен в виде цилиндра 5, срезанного на части длины из условия образования призмы 6 с основанием Е в виде прямоугольника.In the housing 1 of the mandrel, steps 20 are made 2, in which the centering-clamping elements 3 and the S ' s bevels are placed. An orienting element is mounted in the housing 1 with the possibility of axial movement, which is made in the form of a cylinder 5, cut into parts of the length from the condition of formation of the prism 6 with the base E in the form of a rectangle.

В ориентирующем элементе выполнен jq вдоль оси сквозной паз 7, открытый со стороны основания Е. Паз 7 предназначен для размещения центрирующезажимных элементов 3 и 4.In the orienting element, jq is made along the axis of the through groove 7, open from the side of the base E. The groove 7 is designed to accommodate the centering and clamping elements 3 and 4.

На двух боковых противоположных гранях призмы 6 в плоскости I, перпендикулярной плоскости II, проходящей через ось симметрии оправки.; и пазы 2 корпуса 1, выполнены скосы G и М . ₄₀ On two opposite lateral faces of prism 6 in plane I, perpendicular to plane II passing through the axis of symmetry of the mandrel .; and grooves 2 of the housing 1, made bevels G and M. ₄₀

Через ориентирующий элемент и гцентрирующе-зажимные элементы 3 и 4 проходит центральная приводная тяга 8 с клиновыми поверхностями К и L.A central drive rod 8 with wedge surfaces K and L passes through the orienting element and the centering-clamping elements 3 and 4.

Ориентирующий элемент и центриру- 45 юще-зажимные элементы подпружинены относительно корпуса 1 соответственно пружинами 9 и 10, На центрирующе-зажимных элементах выполнены боковые торцы Н для упора детали 11.The orienting element and the centering-clamping elements 45 are spring-loaded with respect to the housing 1 by springs 9 and 10, respectively. The lateral ends H are made on the centering-clamping elements to abut the part 11.

Оправка работает следующим образом .The mandrel works as follows.

При подаче заготовки 11, имеющей отверстие прямоугольной или квадратной формы, например манипулятором! (на чертеже не показан), ориентирующий элемент скосами И и G призмы 6 центрирует заготовку по двум противоположным сторонам отверстия. При дальнейшем движении детали 11 цилиндр 5 вместе с призмой.6 перемещается в корпусе 1 до тех пор, пока торцовая! поверхность детали 11 не соприкоснется с боковыми “торцами Н элементов 3 и 4.When feeding a workpiece 11 having a rectangular or square hole, for example, with a manipulator! (not shown), the orienting element with bevels And and G of prism 6 centers the workpiece on two opposite sides of the hole. With the further movement of the part 11, the cylinder 5 together with the prism. 6 moves in the housing 1 until the front! the surface of part 11 does not come into contact with the lateral “ends H of elements 3 and 4.

Приводная тяга 8 под действием зажимного усилия Р, создаваемого, например, пневмоцилиндром (на чертежах не показан), двигаясь в том же направлении, что и ориентирующий элемент, приводит в движение эле-,, менты ) и 4, которые центрируют це~ таль 11 по двум другим противоположным сторонам отверстия. Движение элементов 3 и 4 обеспечивает закрепление заготовки. Возврат устройства в исходное положение после снятия усилия зажимного привода осуществляется с помощью пружин 9 и 10.Drive rod 8 under the action of a clamping force P created, for example, by a pneumatic cylinder (not shown in the drawings), moving in the same direction as the orienting element, drives elements) and 4, which center the chain 11 on two other opposite sides of the hole. The movement of the elements 3 and 4 ensures the fixing of the workpiece. Returning the device to its original position after removing the force of the clamping drive is carried out using springs 9 and 10.

Расположение центрирующих плоскостей I и II с разворотом по отношению друг к другу на 90° обеспечивает независимо от размеров прямоугольно- . го или квадратного отверстия в заготовке ее беззазорное центрирование по этому отверстию, что дает возможность проводить механическую обработку методом настроенных станков,The arrangement of the centering planes I and II with a 90 ° turn in relation to each other provides a rectangular-angle irrespective of size. of a square or square hole in the workpiece, its clearance-free centering along this hole, which makes it possible to carry out machining by the method of tuned machines,

Claims

The invention relates to devices for clamping workpieces with various hole shapes and can be used in mechanical engineering and boring industry to improve the accuracy of positioning of the workpieces when they are installed in devices under conditions of flexible manufacturing systems (FMS). . The purpose of the invention is the expansion of technological capabilities by increasing the range of clamped parts. FIG. 1 shows the mandrel j general view; in fig-. 2 is a section A-A in FIG. 19 in FIG. 3 RS 3 p € 3 5-B in FIG. 1, FIG. 4 shows an axonometric projection of the device. In the case 1 of the mandrel, grooves 2 are made in which centrifugal clamping elements 3 and B and C are spaced. In case 1, an orienting element is axially displaced, which is made in the form of a cylinder 5s cut to length according to the condition of a prism 6 with the base E in the form of a rectangle. In the orienting element, a through groove 7 is made along the axis, open from the base of the side E. The groove 7 is intended to accommodate the centering locking elements 3 and. On two side opposite faces of the prism 6 in the plane I, perpendicular to the plane 11, passing through the axis of symmetry of the mandrel .; and grooves 2 of housing 1 are made of bevels G and M. Through the orienting element and the centering and clamping elements 3 and k, the central driving gear 8 goes with the wedge surfaces K and L. The orienting element and the centering and clamping elements are spring-loaded relative to the housing 1 respectively, springs 9 and 10. On the centering-clamping elements, there are side ends H for abutment of part 11, the mandrel works as follows. . When applying a blank 11, having a rectangular or square-shaped hole, for example, with a manipulator (not shown), orienting the element with bevels M and G of the prism 6 centers the blank on two opposite sides of the hole. Upon further movement of the part 11, the cylinder 5 together with the prism 6 is moved in the housing 1 until nrtp, until the end surface of the part 11 is in contact with the side heads H of the elements 3 and i. The drive unit 8 ha under the action of a clamping force P created, for example, by a pneumatic cylinder (not shown in the drawings), moves in the same direction as the reference point: o1cion element, sets in motion elements that center detal 11 two other opposite sides of the hole. The movement of the elements 3 and ensures the fixation of the workpiece. The device returns to its original position after the force of the clamping drive is removed by means of a jet (in 9 and 10. The expansion (centering planes I and II with a turn relative to each other by 90 provides, regardless of the size of a rectangular or square) holes in the workpiece, its backlash-free centering over this hole, which makes it possible to carry out mechanical processing by the method of customized machines. The formula of the invention is; The unclamping mandrel, comprising a housing, 8 grooves of which with the possibility of radial Still installed centering-clamping elements with skosomi, designed to interact with the wedge surfaces of the central drive rod, which is so that, in order to expand technological capabilities by increasing the range of clamped parts, the mandrel is equipped with an orienting element , made in the form of a cylinder installed in the body with the possibility of axial movement, cut off on a part of the length from the condition of the formation of a prism with the axis H oaHMet- in the form of a rectangle, while orienting along the axis The element has an opening for locating the drive rod and a through slot open through the base to accommodate the centering-clamping elements, and on two lateral protivopolzny sides of the prism located in the plane perpendicular to the plane of the iridescent axis of symmetry of the mandrel body grooves , are the bevels designed to interact with the hole of the part, the orienting and centering clamping elements being made in the direction and in relation to the body relative to the housing; displacements, and the latter have lateral ends for aboard flying.

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