SU770840A1

SU770840A1 - Sheet stamping press frame

Info

Publication number: SU770840A1
Application number: SU782647514A
Authority: SU
Inventors: Радислав Александрович Бирбраер; Анатолий Дмитриевич Галахов; Александр Иванович Гончаров; Владислав Николаевич Тынянов; Иван Никанорович Филькин; Михаил Данилович Шкаликов
Original assignee: Воронежское производственное объединение по выпуску тяжелых механических прессов "Воронежтяжмехпресс"
Priority date: 1978-07-24
Filing date: 1978-07-24
Publication date: 1980-10-15

Description

Изобретение относится к машиностроению, а именно к кузнечно-дрес-, совому оборудованиюгThe invention relates to mechanical engineering, namely to blacksmithing and soviet equipment

Известна станина листоштамповоч- $ ного пресса, содержащая соединенные стяжными шпильками и гайками траверсу, две стойки и стол, при этом стол выполнен в виде нескольких стенок, каждая из которых выполнена в ц виде комплекта параллельных прямоугольных центральных и двух крайних пластин и трапецеидальных*, пластин, соединяющих центральные пластины с каждой из крайних и связывающих комплект силовых элементов - цельного и составного [1] .A frame of a stamping press is known, comprising a crosshead connected by tie rods and nuts, two racks and a table, the table being made in the form of several walls, each of which is made in the form of a set of parallel rectangular central and two extreme plates and trapezoidal * plates connecting the central plate with each of the extreme and connecting a set of power elements - integral and composite [1].

Недостаток известного устройства заключается в нерациональном использовании металла в сварной станине. Цель изобретения - снижение металлоемкости при сохранении заданной жесткости и несущей способности станины.A disadvantage of the known device is the irrational use of metal in a welded bed. The purpose of the invention is the reduction of metal consumption while maintaining a given stiffness and bearing capacity of the frame.

.Для достижения поставленной цели 25 в каждой стенке стола центральная пластина выполнена длиной (0,43,.. 0,53) длины стола, каждая из крайних пластин выполнена длиной (0,12... 0,14) длины стола, а высота каждой из крайних и центральной пластин выполнена по соотношению 1:(1,4...1,7), цельный силовой элемент выполнен шестигранным, поперечное сечение которого очерчено прямоугольником и прилегающей к его большой стороне большим основанием равнобедренной трапецией, причем размеры сторон прямоугольника выполнены по соотношению (6,3...7,7):1, размеры оснований трапеции - по соотношению (1,2... 1,5):1, а размеры высоты трапеции и ее большего основания - по соотношению 1:(1,3...1,6), при этом составной силовой элемент выполнен в виде центрального, двух крайних и соединяющих центральный с каждым из крайних шестигранных брусьев, поперечное сечение каждого из которых очерчено прямоугольником и прилегающей к его большой стороне большим основанием равнобедренной трапецией, причем размеры сторон прямоугольника выполнены по соотношению (6,3...7,7):.1, размеры оснований трапеции - по соотношению (1,2...1,5):1., при этом у центрального шестигранного бруса размеры высоты трапеции й ее большего [основания выполнены по соотношению.In order to achieve goal 25, in each wall of the table the central plate is made in length (0.43, .. 0.53) of the length of the table, each of the outer plates is made in length (0.12 ... 0.14) of the length of the table, and the height each of the extreme and central plates is made according to the ratio 1: (1.4 ... 1.7), the integral power element is made hexagonal, the cross section of which is outlined by a rectangle and adjacent to its large side with a large base of an isosceles trapezoid, and the dimensions of the sides of the rectangle are made by the ratio (6.3 ... 7.7): 1, the dimensions of the bases of the stairs tions - by the ratio (1.2 ... 1.5): 1, and the dimensions of the height of the trapezoid and its larger base - by the ratio 1: (1.3 ... 1.6), while the composite power element is made in in the form of a central, two extreme and connecting central with each of the extreme hexagonal bars, the cross section of each of which is outlined by a rectangle and an adjacent isosceles trapezoid adjacent to its large side, and the dimensions of the sides of the rectangle are made in the ratio (6.3 ... 7.7 ) :. 1, the dimensions of the bases of the trapezoid - according to the ratio (1.2 ... 1.5): 1., While the central of hexagon bar height dimensions of the trapezoid nd it more [base made by the ratio of

1:(1,3...1,6), а у крайних шестигранных брусьев - по соотношению 1:(1,9.. 2,3), причем суммарные толщины стенок крайних участков на длине равной (0,15...0,19) длины стола и центральных пластин на всей длине выполнены по соотношению (1,15...1,4):1.1: (1.3 ... 1.6), and for the extreme hexagonal bars - by the ratio 1: (1.9 .. 2.3), and the total wall thickness of the extreme sections along the length equal to (0.15 .. .0.19) the lengths of the table and the central plates along the entire length are made according to the ratio (1.15 ... 1.4): 1.

На фиг. 1 показана описываемая составная станина листоштамповочногоIn FIG. 1 shows the described composite sheet metal stamping bed

пресса; press; на on the Фиг. FIG. 2 - сечение 2 - section А-А Aa на on the фиг. 1; FIG. 1; на on the Фиг. FIG. 3 - сечение 3 - section Б-Б Bb на on the фиг. 1; FIG. 1; на on the Фиг. FIG. 4 - сечение 4 - section В-В Bb на on the фиг. 1. FIG. 1. ,Выбранная в Selected in качестве примера as an example сос SOS

тавная станина листоштамповочного пресса состоит из траверсы 1, распо- . ложенной на двух стойках 2, установленных на столе 3 сварной конструкции, состоящем из четырех пластин 4 пря. моугольного сечения постоянной толщины и длиной, равной 0,17 от общей длины стола, к которым приварены пластины 5 прямоугольного сечения постоянной толщины, из расположенных параллельно пластинам 4 и 5 двух пластин 6 прямоугольного сечения постоянной толщины и длиной, равной длине стола, при этом суммарные толщины пластин 4,6 и 5,6 выполнены какThe base frame of the stamping press consists of a crosshead 1, positioned. laid on two racks 2 mounted on a table 3 of a welded structure consisting of four plates 4 straight. a rectangular cross-section of constant thickness and a length equal to 0.17 of the total length of the table, to which plates of 5 rectangular cross-sections of constant thickness are welded from parallel plates 4 and 5 of two plates 6 of rectangular cross-section of constant thickness and a length equal to the length of the table, while the total plate thicknesses 4.6 and 5.6 are made as

I, 28:1. it пластинам 4-6 по всей длине стола приварены два цельных и два составных силовых элемента, состоящих из сваренных между собой крайних 8, средних 9 и центральных 10 частей, которые выполнены так, что каждый цельный элемент 7 имеет постоянное по длине.стола поперечное сечение в форме шестиугольникаI, 28: 1. it plates 4-6 along the entire length of the table are welded two solid and two composite power elements, consisting of extreme 8, middle 9 and central 10 parts welded together, which are made so that each solid element 7 has a constant cross-section. hexagon shaped

II, очерченного прямоугольником 12 с соотношением сторон 7:1 и примыкающей к большей стороне большим основанием трапецией 13 с соотношением оснований 1,36:1 и соотношением' высоты к большому основанию 1:1,45.Каждая/ крайняя часть 8 составных силовых элементов длиной, равной 0,13 длины стола в своем поперечном сечении выполнена в виде шестиугольника 14, составленного из прямоугольника 15 С; соотношением сторон 7:1 и равнобедренной- трапеции 16, большим основанием прилегающей к большей стороне прямоугольника, у которой основания выполнены в соотношении 1,36:1, а соотношение высоты и большего основания 1:2,1.II, outlined by a rectangle 12 with a 7: 1 aspect ratio and a trapezoid 13 adjacent to the larger side with a 1.36: 1 base ratio and a height to large base ratio of 1: 1.45. Each / extreme part of 8 component strength elements equal to 0.13 of the length of the table in its cross section is made in the form of a hexagon 14 made up of a rectangle 15 C; the aspect ratio is 7: 1 and the isosceles trapezoid 16, with a large base adjacent to the larger side of the rectangle, in which the bases are made in a ratio of 1.36: 1, and the ratio of height and larger base is 1: 2.1.

Каждая центральная часть 10 составных силовых элементов имеет поперечное 'сечение 17 равное поперечному сечению цельного силового элемента 7. К цельным силовым элементам 7 и крайним частям 8 составных силовых элементов по концам стола 3 непосредственно под стойками 2 приварены верхние 18 и нижние 19 горизонтальные полки, к которым приварены продольные 20 и поперечные 2123 элементы, образующие колодцы 24, внутри которых через круглые отверс^ тия в ‘верхних 13 и нижних 19 горизонтальных полках проходят нижние части 25 стяжных шпилек 26, служащих вместе с гайками 27 для соединения траверсы 1, стоек 2 и стола 3 в общую составную рамную конструкцию.Each central part 10 of the composite power elements has a cross-section 17 equal to the cross-section of the solid power element 7. To the solid power elements 7 and the extreme parts 8 of the composite power elements at the ends of the table 3, the upper 18 and lower 19 horizontal shelves are welded to which welded the longitudinal 20 and transverse 2123 elements forming the wells 24, inside of which the lower parts of the 25 tie rods 26, serving together with nuts 27 for connecting the beam 1, racks 2 and table 3 into a common composite frame structure.

Высота стола на крайних участках^ равных по длине 0,13 длины стола каждый, и на центральном, равным по длине 0,48 длины стола, выполнена в соотношении 1:1,57.The height of the table in the extreme sections ^ equal in length to 0.13 of the length of the table each, and in the central one, equal in length to 0.48 of the length of the table, is made in a ratio of 1: 1.57.

Составная станина листоштамповочного пресса работает следующим образом.The composite frame of the stamping press works as follows.

При выполнении технологической операции станина нагружается усилием штамповки, которое действует одновременно на траверсу 1 и стол 3 и передается по определенному закону на стойки 2, стяжные шпильки 26. Под действием этого усилия происходит упругое деформирование траверсы, стоек, стола и стяжных шпилек, а при снятии усилия штамповки эти детали составной станины возвращаются в исходное состояние.When performing a technological operation, the bed is loaded with a stamping force, which acts simultaneously on the crosshead 1 and table 3 and is transmitted according to a certain law to the posts 2, tie rods 26. Under the action of this force, the beam, racks, table and tie rods undergo elastic deformation, and when removed stamping efforts, these parts of the composite bed are returned to their original state.

Технико-экономический эффект от внедрения изобретения в производство достигается за счет снижения металлоемкости станины, уменьшения ее' се~ бестоимости.The technical and economic effect of introducing the invention into production is achieved by reducing the metal consumption of the bed and reducing its cost.

Claims

SUBSTANCE: invention relates to majainortroeniyu, namely to forging-and-lass equipment. The known frame of a press-forming press, which is connected by fixed studs and nuts of traverses, is two racks and a table, while the table is made in the form of several walls, each of which is made the form of a set of parallel rectangular central and two end plates and trapezoidal; plates connecting the center plates with each of the extreme and bonded ones of a set of strength elements - integral and composite (C. The disadvantage of the known device is the inefficient use of the metal in the welded frame. The purpose of the invention is to reduce the metal capacity while maintaining the specified rigidity and load capacity The achievement of the goal in each wall of the table is a central plate made of a length (0.43 ... 0.53) of the length of the table, each of the end plates is made of a length (0.12. 0.14) of the length of the table, and the height of each from the extreme and central plates, the ratio is 1: (1.4 ... 1.7); the integral force element is hexagonal, the cross section of which is drawn with a rectangle and a large base isosceles adjacent to its large side, and the dimensions of the sides are the mogon is made according to the ratio (6.3 ... 7.7): 1, the sizes of the bases of the trapezium - according to the ratio (1.2 ... 1.5): 1, and the sizes of the height of the trapezium and its larger base - according to the ratio 1 : (1.3 ... 1, b), while the composite power element is designed as a central, two extreme and connected Tsikh central to each of the Cr "ynih shestigE) OF DATA beams, the cross section of each of which is circumscribed rectangle and the adjacent side of its large base of the isosceles trapezoid large, the dimensions of the sides of the rectangle formed by the ratio of (6.3. . . 7,7): .1, the size of the base of the trapezoid is according to the ratio; o (1.2 .. .1.5): 1., while the central hexagonal beam has the dimensions of the height of the trapezium and its larger base according to the ratio 1 :( 1.3 ... 1, b), and at the extreme hexagonal bars - by the ratio 1: (1.9 2.3), and the total thickness of the walls of the extreme sections on the length is (0.15 ... 0.19 a) the lengths of the table and central plates. on the entire length are made according to the relation (1Д5 ... 1.4): 1. Fig 1 shows the described composite bed of a press brake; in fig. 2 is a section A-A in FIG. one; in fig. 3 is a section BB in FIG. one; in fig. 4 shows a section B-B in FIG. 1. Selected as an example, the stand of the press-stamping machine consists of a cross beam 1 located on two racks 2 mounted on a table 3 welded construction consisting of four plates 4 rectangular section of constant length and 0 , 17 of the total length of the table, to which plates 5 of a rectangular cross section of constant thickness are welded, are arranged parallel to plates 4 and 5 of two plates of rectangular cross section of a same thickness and length equal to the table, with the total thickness of the plates 4, 6 and 5.6 execute s as a 1.28: 1. JC plates 4-6 along the entire length of the table are welded two solid 7 and two composite force elements consisting of extreme 8, middle 9 and central 10 parts welded together, which are made so that each integral element 7 has a constant length. the cross section is in the shape of a hexagon 11, outlined by rectangle 12 with an aspect ratio of 7: 1 and a large base adjacent to a larger side with a trapezium 13 with a base ratio of 1.36: 1 and a height ratio to the large base of 1: 1.45. Extremely 8 composite power elements oh, equal to 0.13 the length of the table in its cross section is made in the form of a hexagon 14, made up of a rectangle 15 by a ratio of 7: 1 sides and an isosceles-trapezium 16, with a large base adjacent to the larger side of the rectangle, whose base is in the ratio 1.36: 1, and the ratio of the height and the larger base is 1: 2.1. Each central part 10 of the composite power elements has a cross section of 1.1 equal to the cross section of the solid power element 7. By the integral force elements 7 and the outer parts 8 of the composite forces The upper 18 and lower 19 horizontal shelves are welded to the end of the table at the ends of the table, directly below the pillars 2, to which 20 longitudinal and transverse 21 23 23 elements are welded, forming wells 24 inside of which the lower 18 passes through round holes in the upper 18 and lower 19 horizontal shelves. portions 25 of the studs 26 serving together with the nuts 27 for coupling the yoke 1, the pillars 2 and the table 3 into a common composite frame structure. The height of the table on the extreme sections of equal length of 0.13 table length each, and on the central, equal to the length of 0.48 the length of the table, is made in a ratio of 1: 1.57. Composite frame listoshtampovochnogo press works as follows. When performing a technological operation, the frame is loaded with a punching force that acts simultaneously on the yoke 1 and table 3 and is transmitted according to a certain law to the struts 2, stud studs 26. By the action of this force, elastic deformation of the yoke, struts, table and stud studs occurs, and when the punching force is removed, these parts of the composite bed are returned to their original state. The technical and economic effect from the implementation of the invention in production is achieved by reducing the metal intensity of the bed, reducing its cost. Claims 1. A press brake press consisting of two Racks and a table, connected by traction studs and nuts, each with a table made of several walls, each of which is made as a set of parallel rectangular central and two extreme plates and trapezoidal plates, connecting central plates with each of the outermost, and connecting a set of force elements - integral and composite, characterized in that, in order to reduce metal consumption, the central plate is made of a length (O, 43 ... 0.53) the length of the table, each of the extreme plates is made length (0, 12 ... 0.14) the length of the table, and the height of the extreme and central plates is made according to the ratio 1: (1.4 ... 1 , 7)

2. Stanin according to claim 1, such that the one-piece power element is hexagonal, the cross-section of which is outlined by a rectangle and an isoscelesal trapezium adjacent to its large base, the dimensions of the sides of the rectangle along the ratio (6.3 .. .7,7): 1, the dimensions of the base of the trapezoid - by the ratio (1.2.. .1, 5): 1, and the dimensions of the height of the trapezium and its larger base - by the ratio 1: (1 , 3. ..1,6),

3. Stanina on PP. 1 and 2, characterized in that the composite power element is designed as

central, two extreme, and central connections to each of the extreme hex bars, the cross section of each of which is outlined by a rectangle and a large, based isosceles trapezoid adjacent to its large side, the sides of the rectangle being (6,3 .7,7):, the size of the base of the trapezium is according to the ratio (1.2 ... 1.5): 6), while the extreme hexagon

bars - by the ratio of 1; (1.9 ... 2.3).

4. The bed according to claim 1, which differs by the fact that the total wall thickness of the extreme sections at a length of equal (o, 15 ... 0.19) table length and central plates along the entire length are made according to the ratio (1 , 15 ... 1, 4): 1.

Sources of information taken into account in the examination

0

1. Rovinsky G.N. and Zlotnikov S.L. Sheet metal stamping mechanical presses. M., Mechanical Engineering, 1968, p. 54, fig. 38

.