SU707667A1

SU707667A1 - Apparatus for rolling turbine blade vane

Info

Publication number: SU707667A1
Application number: SU772519219A
Authority: SU
Inventors: Олег Капанович Бадыров
Original assignee: Ордена Ленина Ленинградский Политехнический Институт Им. М.И.Калинина
Priority date: 1977-08-22
Filing date: 1977-08-22
Publication date: 1980-01-05

Description

Изобретение относится к обработке. металлов давлением и может быть использовано при изготовлении турбинных или компрессорных лопаток.The invention relates to processing. metal pressure and can be used in the manufacture of turbine or compressor blades.

Известны устройства для вальцовки пера лопатки, содержащие расположенные в станине рабочие валки, гидроцилиндры сближения рабочих валков, узел захвата замка лопатки с гидроцилиндром [ 1 ].Known devices for rolling feather blades, containing located in the frame of the work rolls, the hydraulic cylinders of the rapprochement of the work rolls, the node for locking the blade lock with the hydraulic cylinder [1].

Недостатком известных устройств является искривление вальцуемых лопаток в двух плоскостях ввиду отсутствия механизмов для предотвращения изгиба пера лопатки при прокатке.A disadvantage of the known devices is the curvature of rolling blades in two planes due to the lack of mechanisms to prevent the blade feather from bending during rolling.

Наиболее близким к изобретению по технической сущности и достигаемому эффекту является устройство для вальцовки пера лопатки, содержащее станину с траверсой, установленные в станине прокатные валки, привод вращения валков, размещенный в траверсе по оси вальцовки гидроцилиндр захвата со штоком - поршнем, несущим захват замка лопатки [2].The closest to the invention in terms of technical essence and the achieved effect is a device for rolling a feather of a blade containing a bed with a cross beam, rolling rolls installed in the frame, a drive for rotating the rolls, a capture hydraulic cylinder with a rod - piston carrying a blade lock capture [placed in the beam along the rolling axis [ 2].

Это устройство обладает тем же недостатком — отсутствием механизма для предотвра2 щения изгиба пера лопатки, что значительно снижает качество изделий.This device has the same drawback - the lack of a mechanism to prevent bending of the feather blade, which significantly reduces the quality of the products.

Целью изобретения является повышение качества изделия путем исключения изгиба вальцуемого пера.The aim of the invention is to improve the quality of the product by eliminating the bending of the rolling pen.

Поставленная цель достигается тем, что устройство снабжено размещенным в станине механизмом для поворота гидроцилиндра захвата в любой плоскости, проходящей через ось вальцовки, траверса шарнирно соединена со станиной, а гидроцилиндр захвата шарнирно связан с траверсой..This goal is achieved by the fact that the device is equipped with a mechanism located in the bed for turning the gripping cylinder in any plane passing through the rolling axis, the beam is pivotally connected to the bed, and the capture cylinder is pivotally connected to the traverse ..

Механизм для поворота гидроцилиндра захвата выполнен в виде поперечины, охватывающей гидроцилиндр захвата и' установленной перпендикулярно оси вальцовки, двух планок, неподвижно закрепленных на станине, параллельных боковым граням поперечины, двух подвижных планок, параллельных фронтальным граням поперечины, четырех расположенных в неподвижно закрепленных планках гидропдлиндров с плунжерами, контактирующими с торцами подвижных планок, четырех размещенных в подвижных планках гидроцилинд-The mechanism for turning the gripping cylinder is made in the form of a cross-member, covering the gripping cylinder and mounted perpendicular to the rolling axis, two slats fixedly mounted on the bed, parallel to the side faces of the cross-bar, two movable slats parallel to the front faces of the cross-bar, four located in the fixedly fixed slats of the hydraulic cylinders with plungers in contact with the ends of the movable levels, four hydraulic cylinders located in the movable levels

70-7667 . ров с плунжерами, связанными с поперечиной, и четырех упоров, расположенных соответственно в середине каждой неподвижной и каждой подвижной планки, взаимодействующих с гранями поперечины; шарнирная связь траверсы со станиной выполнена в виде двух стоек, параллельных оси вальцовки, проходящих через поперечину и контактирующих с ней, закрепленных своими концами посредством двойных шарниров соответственно в траверсе и в станине, поверхность гидроцилиндра, охватываемая поперечиной, выполнена шаровой, а центр шара расположен в середине расстояния между осью шарнира, связывающего гидроцилиндр с траверсой и плоскостью, проходящей через оси валков, поверхность стоек в месте контакта с поперечиной выполнена шаровой, а центр шара расположен в середине расстояния между осями шарнирных соединений стоек с траверсой и со станиной.70-7667. a ditch with plungers associated with the cross member and four stops located respectively in the middle of each fixed and each movable bar interacting with the faces of the cross member; the hinge connection of the traverse with the bed is made in the form of two racks parallel to the rolling axis, passing through the cross member and in contact with it, fixed with their ends by means of double hinges respectively in the cross beam and in the bed, the surface of the hydraulic cylinder covered by the cross member is made spherical, and the center of the ball is located in the middle of the distance between the axis of the hinge connecting the hydraulic cylinder with the traverse and the plane passing through the axis of the rolls, the surface of the racks at the point of contact with the cross member is made spherical, and the center of the ball and it is located in the middle of the distance between the axes of the hinged joints of the struts with the traverse and with the bed.

На фйг. 1 представлено' устройство в разрезе, общий вид; на фиг. 2 - разрез А-А; на фиг. 3 - разрез Б-Б; на фиг. 4 — разрез В-В. '..... ? · .To fig. 1 shows a sectional view of the device; in FIG. 2 - section aa; in FIG. 3 - section BB; in FIG. 4 - section BB. '.....? ·.

Устройство для вальцовки состоит из станины, деформирующего узла, привода вращения валков, узла вспомогательного цилиндра, гидроаппаратуры и электроаппаратуры.The rolling device consists of a bed, a deforming assembly, a roll rotation drive, an auxiliary cylinder assembly, hydraulic equipment and electrical equipment.

На станине 1 размещены прокатные валки 2 и 3 с профильными секторами (штампами) 4 и 5. Валки приводятся во вращение через, например, зубчатые рейки 6 и 7, соединенные шарнирно с гадроцилиндром, шток-поршень 9 которого закреплен на станине.Rolling rolls 2 and 3 with profile sectors (dies) 4 and 5 are placed on the bed 1. The rolls are rotated through, for example, gear racks 6 and 7, pivotally connected to the hydraulic cylinder, the piston rod 9 of which is mounted on the bed.

Узел вспомогательного цилиндра 10 состоит из следующих основных деталей и узлов. Шток-поршень 11 вспомогательного цилиндра подвижен, расположен в наклоняемых направляющих, которые выполнены как одно· целое с гидроцилиндром 10. На выступающем конце шгок-поршня 11 смонтирован захват 12 с ручным зажимом от винта 13. Снаружи гидроцилиндр 10 имеет шаровую поверхность 14, центр которой — на середине расстояния от линии центров валков 2 и 3 до оси Шарнира 15, которым гидроцИлиндр 10 соединен с подвижной траверсой 16. Шаровая поверхность 14 гидроцилиндра 10 контактирует с поперечиной 17 через втулку 18.The assembly of the auxiliary cylinder 10 consists of the following main parts and assemblies. The piston rod 11 of the auxiliary cylinder is movable, located in tilting guides, which are integral with the hydraulic cylinder 10. At the protruding end of the shock piston 11, a gripper 12 is mounted with a manual clip from the screw 13. Outside, the hydraulic cylinder 10 has a spherical surface 14, the center of which - in the middle of the distance from the line of the centers of the rolls 2 and 3 to the axis of the Hinge 15, with which the hydraulic cylinder 10 is connected to the movable traverse 16. The spherical surface 14 of the hydraulic cylinder 10 is in contact with the cross member 17 through the sleeve 18.

Траверса 16 соединена со. станиной 1 двумя стойками 19 через посредство двойных шарниров. Последние размещены как на станине, так и на траверсе. Они состоят из цилиндрической опоры ,20 и пальца 21. К станине двойные шарниры присоединены при помощи корпуса 22. Стойки 19. так же, как и гидроцилиндр 10 имеют шаровые опорные поверхности 23, расположенные на середине длины стоек, т.ё. между осями пальцев 21.Traverse 16 is connected to. bed 1 with two uprights 19 via double hinges. The latter are placed both on the bed and on the traverse. They consist of a cylindrical support, 20 and pin 21. Double hinges are connected to the bed by means of a housing 22. Racks 19. Like the hydraulic cylinder 10, have ball bearing surfaces 23 located in the middle of the length of the racks, i.e. between the axes of the fingers 21.

Стойки 19 шаровыми поверхностями 23 контактируют с поперечиной 17 через втулки, 24.Racks 19 spherical surfaces 23 are in contact with the cross member 17 through the sleeve 24.

На поперечине 17 размещены четыре плунжера 25 гидроцилиндров 26 и 27 поперечного 5 перемещения детали 17. Эти, гидроцилиндры размещены на подвижных планках 29 и 30, имеющих на концах плунжеры 31. Последними они контактируют с гидроцилиндрами 32 и 33, которые смонтированы на стойках 34 и 35.On the cross member 17 there are four plungers 25 of the hydraulic cylinders 26 and 27 of the transverse 5 movement of the part 17. These hydraulic cylinders are placed on the movable slats 29 and 30 having the ends of the plungers 31. The latter are in contact with the hydraulic cylinders 32 and 33, which are mounted on the struts 34 and 35 .

¹⁰ Стойки смонтированы на станине 1 и имеют винтовые упоры 36 и 37 ограничения переме- . щения поперечины 17. Аналогичные винтовые упоры 38 и 39 смонтированы на планках 29 и 30. ^{10 The} racks are mounted on the bed 1 and have screw stops 36 and 37; cross member 17. Similar screw stops 38 and 39 are mounted on strips 29 and 30.

Наладка узла , вспомогательного цилиндра по углу наклона состоит в следующем. Два упора, · например 39 и 37, устанавливаются в положение, обеспечивающее наклон (или его отсутствие) вспомогательного цилиндра в начальный момент вальцовки. Оставшиеся два упора устанавливаются таким образом, чтобы обеспечить, в момент контакта с ними поперечины 17, наклон вспомогательного цилиндра под нужным углом в нужной плоскос²⁵, ти с какого-то момента вальцовки и до ее окончания.The adjustment of the node, the auxiliary cylinder by the angle of inclination is as follows. Two stops, for example 39 and 37, are installed in a position that ensures the inclination (or lack thereof) of the auxiliary cylinder at the initial moment of rolling. The remaining two stops are installed in such a way as to ensure, at the moment of contact with them of the cross-member 17, the inclination of the auxiliary cylinder at the right angle in the required plane ²⁵ , from some point of rolling to its end.

Работа устройства для вальцовки будет состоять в следующем. В исходном положении, плунжер 11с захватом 12 находится в край36 нем нижнем положении. Поперечина 17 под действием давления жидкости в гидроцилиндрах 26 и 32 поджата к упорам 39 и 37. Гидроцилиндр с направляющей находится в вертикальном положении.The operation of the rolling device will be as follows. In the initial position, the plunger 11 with the claw 12 is in the extreme 36 lower position. The cross member 17 under the action of fluid pressure in the hydraulic cylinders 26 and 32 is pressed against the stops 39 and 37. The hydraulic cylinder with the guide is in a vertical position.

После размещения заготовки между валками и закрепления ее в захвате 12 начинается цикл вальцовки. При этом рабочая жидкость поступает в обратную полость гидроцилиндра 40 10, обеспечивая вальцовку с натяжением. Рабочая жидкость подается в нужной пропорции И с нужной скоростью и в гидроцилиндры 27 и 33, при этом противоположные гидроидлиндры 26 и 32 соединяются со сливом.After placing the workpiece between the rollers and fixing it in the gripper 12, a rolling cycle begins. When this working fluid enters the return cavity of the hydraulic cylinder 40 10, providing rolling with tension. The working fluid is supplied in the right proportion And at the right speed to the hydraulic cylinders 27 and 33, while the opposite hydraulic cylinders 26 and 32 are connected to the drain.

По мере поступления рабочей жидкости в гидроцилиндры 27 и 33 поперечина 17 начинает перемещаться с заданной скоростью по направлению к соответствующим упорам 38 и 36. При этом смещении будет происходить соот₅₀ ветствующий наклон гидроцилиндра 10, согласованный с наклоном стоек 19 соответственным расположением . (1:2) шаровых контактных поверхностей на них. При этом наклон, благодаря двойным шарнирам, может проис55 ходить в любой плоскости, причем центр вращения при наклоне гидроцилиндра будет находиться все время в одной точке - в точке пересечения линии вальцовки и линии центров прокатных валков. После окончания валь5 707667 6 цовки подвижные части устройства возвращаются в исходное положение подачей рабочей жидкости в обратные полости или противоположные гидроцилиндры. Работа устройства обеспечивается обычной гидросистемой. Последняя может быть выполнена для работы в полуавтоматическом режиме.Upon receipt of hydraulic fluid in the hydraulic cylinders 27 and 33 of the cross member 17 begins to move at a predetermined speed towards the respective abutments 38 and 36. In this case, offset will occur soot ₅₀ sponds tilt cylinder 10, matched to the inclination of uprights 19, suitably positioned. (1: 2) ball contact surfaces on them. Moreover, the tilt, thanks to the double hinges, can occur in any plane, and the center of rotation when tilting the hydraulic cylinder will always be at one point - at the intersection of the rolling line and the center line of the rolling rolls. After rolling 5 707667 6 forging, the moving parts of the device return to their original position by supplying the working fluid to the return cavities or opposite hydraulic cylinders. The operation of the device is provided by a conventional hydraulic system. The latter can be performed to work in semi-automatic mode.

Технико-экономический эффект от внедрения предложенного устройства будет получен за счет повышения качества вальцуемых лопаток, исключения из технологического цикла Операции рихтовки пера лопатки, расширения ряда типоразмеров вальцуемых лопаток.The technical and economic effect of the introduction of the proposed device will be obtained by improving the quality of rolled blades, exclusion from the technological cycle of the operation of straightening the feather blades, expanding a number of sizes of rolled blades.

Claims

(54) DEVICE FOR ROLLING THE FOOT PEN 3. a ditch with plungers connected to the crossbar and four stops located respectively in the middle of each fixed and each movable bar, interacting with the faces of the cross member; the articulation of the traverse with the frame is made in the form of two racks, parallel to the soybeans rolling, passing through the cord and in contact with it, fixed at their ends by means of double hinges, respectively, in the traverse and in the frame, the surface of the hydraulic cylinder covered by the cross bar is made spherical and the center the container is located in the middle of the distance between the axis of the hinge connecting the hydraulic cylinder with the cross-bar and the plane passing through the axes of the rolls, the surface of the stands at the point of contact with the cross member is made spherical, and the center of the ball Position the mid-distance between the axes of the hinged connections with cross struts and to the frame. FIG. 1 shows the device in section, a general view; in fig. 2 - section A-A; in fig. 3 - section BB; in fig. 4 - section bb ;,.,, ..,.,;. . : ,,; / ...- ..,.; The device for rolling consists of a bed, a deforming unit, a drive for the formation of rolls, an auxiliary cylinder unit, hydraulic equipment and electrical equipment. Rollers 2 and 3 with profile sectors (lamps) 4 and 5 are placed on frame 1. Rollers are driven through, for example, toothed racks 6 and 7 pivotally connected to a hydraulic cylinder, the piston rod 9 of which is fixed to the frame. The node of the auxiliary cylinder 10 consists of the following main parts and assemblies. The piston rod 11 of the auxiliary cylinder is movable, located in inclined guides, which are made integral with the hydraulic cylinder 10. At the protruding end of the piston rod 11, a gripper 12 is mounted with a screw clip from screw 13. The hydraulic cylinder 10 has a spherical surface 14, the center which is in the middle of the distance from the line of the centers of the rolls 2 and 3 to the Shcharnir axis 15, by which the hydraulic cylinder 10 is connected to the movable cross member 16. The ball surface 14 of the hydraulic cylinder 10 contacts the cross member 17 through the sleeve 18. The traverse 16 is connected. with a bed of 1 two racks 19 through the medium of double hinges. The latter are placed both on the bed and on the traverse. They consist of a cylindrical support, 20 and a finger 21. The double hinge is attached to the frame by means of the housing 22. The supports 19. Like the axle cylinder 10, there are ball bearings 23 located in the middle of the lengths of the supports, i.e. between the axes of the fingers 21. The uprights 19 with ball surfaces 23 are contacted with the crossbar 17 through bushings {24 .. On the crossbar 17 four G1 Nzhera 25 hydraulic cylinders 26 and 27 of transverse displacement of part 17 are placed. These hydraulic cylinders are placed on movable slats 29 and 30, having at the ends of the plungers 31. The latter are in contact with the hydraulic cylinders 32 and 33, which are mounted on racks 34 and 35. The racks are mounted on the frame 1 and have screw stops 36 and 37 that restrict movement. The cross members 17. Similar screw stops 38 and 39 are mounted on the slats 29 and 30. The setup of the knot, auxiliary cylinder on the angle of inclination consists of the following. Two stops, for example 39 and 37, are set to a position that allows the inclination (or lack thereof) of the complementary cylinder at the initial moment of rolling. The remaining two stops are set in such a way as to ensure, at the moment of contact with the cross member 17, the inclination of the auxiliary cylinder at the required angle in the required plane from some moment of rolling to its end. The operation of the rolling device will be as follows. In the initial position, the plunger 11c by the gripper 12 is in its lowest position. Under the action of the pressure of the fluid in the hydraulic cylinders 26 and 32, the cross-member 17 is pressed against the stops 39 and 37. The hydraulic cylinder with the guide is in a vertical position. After placing the workpiece between the rollers and securing it in the grip 12, the rolling cycle begins. At the same time, the working fluid enters the reverse cavity of the hydraulic cylinder 10, providing rolling with tension. The working fluid is supplied in the right proportion and at the desired speed to the hydraulic cylinders 27 and 33, while the opposite hydraulic cylinders 26 and 32 are connected to the drain. As the working fluid poststs into the cylinders 27 and 33, the cross member 17 begins to move at a predetermined speed towards the corresponding stops 38 and 36. At this displacement, a corresponding inclination of the hydraulic cylinder 10 will occur, which is matched with the inclination of the uprights 19 by appropriate arrangement. (1: 2) ball contact surfaces on them. In this case, the tilting, due to double hinges, can occur in any plane, and the center of rotation when tilting the hydraulic cylinder will be all the time at one point - at the intersection of the rolling line and the line of rolls. After rolling is completed, the movable parts of the device return to their original position by supplying the working fluid to the back cavities or opposite hydraulic cylinders. The operation of the device is provided by a conventional hydraulic system. The latter can be performed for semi-automatic operation. Technical and economic effect of the implementation of the proposed device will receive a 3d account of improving the quality of rolled blades, excluding from the technological cycle the operation of straightening the blade, expanding a number of standard sizes of rolled blades. Claim 1. A device for rolling a blade blade containing a crosshead bed, rolls mounted in a bed, a roll rotation drive placed in the crossbar along the rolling axis a pickup hydraulic cylinder with a stock shaft bearing the lock grip of the blade about that, with the aim improving the quality of products by eliminating the bend of the rolled feather; it is equipped with a mechanism located in the frame for turning the gripper cylinder in any plane passing through the axis of the mill, the traverse is hinged to minutes, and gripping cylinder pivotally coupled to cross member. 2. The device according to claim 1, characterized by the fact that the mechanism for turning the hydraulic cylinder of the gripper is made in the form of a cross member; the gripping hydraulic cylinder and installed perpendicular to the axis of rolling, two strips fixedly mounted on the frame, parallel lateral faces of the cross member, two movable slats parallel to the frontal facets of the cross section, four heads located in fixedly fixed slats of hydraulic cylinders with plungers in contact with the ends of the sliding plates. , the chtephekh placed in the movable slats of the hydraulic cylinders with the plungers connected with the crossbar, and the chtefeh of the stops, respectively, in the middle of each stationary each movable rail, interacting with the edges of the cross member. . 3. The device according to paragraphs. 1 and 2, of which is e fc. That the hinge connection of the traverse with the frame is made in the form of two racks parallel to the axis of rolling, passing through the crossmember and in contact with it, fixed by their End to double joints. Corresponding to the beam in the beam and in the frame. 4. Device on PP. 1 and 2, which differs in that the surface of the hydraulic cylinder covered by the cross member is spherical, and the center of the ball is located in the middle of the distance between the hinge axis connecting the hydroracle Druce and the plane passing through the axes of the rolls. 5. Device on PP. 1 and 2, characterized by the fact that the surface of the posts at the point of contact with the crossbar is made spherical, and the center of the ball is located in the middle of the distance between the axes of the hinged joints of the posts with the crosshead and with the bed. Sources of information taken into account in the examination 1.Production of parts by plastic deformation. Edited by prof. K. N. Bogo vlenskogO and prof. P. V. Kamneva, L., Mashnostroenie, 1975, p. 243-249.

2. USSR author's certificate number 483182, cl. B 21 N 7/16, 1973 (prototype).

Fig4