SU876238A1

SU876238A1 - Device for bending coil pipes

Info

Publication number: SU876238A1
Application number: SU792830704A
Authority: SU
Inventors: Олег Викторович Лузин
Original assignee: Душанбинское Специальное Конструкторско-Технологическое Бюро По Машиностроению
Priority date: 1979-10-19
Filing date: 1979-10-19
Publication date: 1981-10-30

Description

Изобретение относится к обработке металлов.давлением, в частности к трубогибочному производству. jThe invention relates to the processing of metals. Pressure, in particular to pipe bending production. j

Известно устройство для гибки зме· евиков, содержащее установленные на станине поочередно пластины с шаблонами и пластины, несущие гибочные элёменты, а также водила, шарнирно соединяющие эти пластины между собой С13 .A device for bending serpentine · eviks is known, comprising alternately mounted plates with templates and plates carrying bending elements, as well as carriers that articulate these plates with each other C13.

Недостатком известного устройства является то, что шаблоны на пластинах установлены неподвижно, а потому в результате работы данного устройства получаются змеевики одной конфигурации.A disadvantage of the known device is that the templates on the plates are fixed, and therefore, as a result of the operation of this device, coils of the same configuration are obtained.

Цель изобретения - получение змеевиков различной формы.The purpose of the invention is the production of coils of various shapes.

Для достижения указанной цели в устройстве для гибки змеевиков, соДержащем поочередно установленные на станине пластины с шаблонами и пластины, несущие гибочные элементы, а также водила, шарнирно соединяющие все пластины между собой, шаблоны установлены на соответствующих пластинах с возможностью регулировочного перемещения, а каждый гибочный элемент выполнен в форме ассиметричного элипса.To achieve this goal, in the device for bending coils, containing alternately mounted on the frame plate with templates and plates carrying bending elements, as well as a carrier articulating all the plates together, the templates are mounted on the respective plates with the possibility of adjusting movement, and each bending element made in the form of an asymmetric ellipse.

Кроме того, устройство снабжено смонтированной- на станине приводной, бесконечной цепью, при этом пластины, несущие гибочные .элементы,, закреплены на этой цепи, а в водилах выполнены продольные пазы под гибочные элементы.In addition, the device is equipped with a drive-mounted, endless chain mounted on the bed, while the plates carrying the bending elements are fixed to this chain, and longitudinal grooves for bending elements are made in the carriers.

При этом шаг цепи равен половине, шага изготавливаемого змеевика.In this case, the chain pitch is equal to half the pitch of the manufactured coil.

УстрЪйство снабжено узлами зажима и резки обрабатываемой трубы и съема готового змеевика.The device is equipped with nodes for clamping and cutting the pipe being machined and for removing the finished coil.

На фиг. 1 изображено устройство, общий вид; на фиг. 2 - разрез А-А . на фиг. 1; на фиг. 3 - узел зажима;’ на фиг. 4 - узел гибки в рабочий момент; на фиг. 5 -гибочный элемент;In FIG. 1 shows a device, a General view; in FIG. 2 - section aa. in FIG. 1; in FIG. 3 - clamping unit; ’in FIG. 4 - knot are flexible at the working moment; in FIG. 5-bending element;

на фиг. 6 - примеры конфигураций полученных змеевиков.in FIG. 6 - examples of configurations of the obtained coils.

Устройство содержит станину 1, на которой в подшипниковых опорах закреплены приводная 2 и натяжная 3 звездочки. На звездочки надета приводная бесконечная цепь, на которой смонтированы пластины 4 и 5. На пластинах 4 неподвижно или с возможностью вращения вокруг своей оси укреплены шаблоны 6, они могут быть установлены в любом месте по длине пластин. На свободном конце каждой пластины 5 выполнен продольный паз, в котором с возможностью перемещения установлен подвижный гибочный элемент 7. Та-* ким образом, шаблоны 6 чередуются на цепи с гибочными элементами 7, что обусловливает величину шага змеевика, равную половине шага цепи.The device comprises a frame 1, on which in the bearings the drive 2 and tension 3 sprockets are fixed. The sprockets are equipped with a drive endless chain on which the plates 4 and 5 are mounted. The plates 6 are fixedly fixed or rotatable around their axis on the plates 4 and can be mounted anywhere along the length of the plates. A longitudinal groove is made at the free end of each plate 5, in which a movable bending element 7 is mounted with the possibility of movement. Thus, the templates 6 alternate on the chain with the bending elements 7, which determines the coil pitch equal to half the chain pitch.

Каждый гибочный элемент 7 выполнен составным из двух частей: непосредственно гибочной сферической, радиус которой равен радиусу гиба, и конической, служащей для установки трубы в рабочее положение. Он связан с несущей его пластиной 5 посредством шейки. Поверхность шейки каждого гибочного элемента 7 охватывается также стенками двух других продольных пазов, выполненных по концам водил 8, каждый из которых шарнирно связан с вершинами пластин 4 и 5. В рабочем положении все три паза водил пластины 5 совмещаются по всей длине, допуская свободное неповоротное поступательное перемещение подвижного гибочного элемента 7.Each bending element 7 is made of two parts: a direct bending spherical, the radius of which is equal to the radius of the bend, and a conical one, which serves to set the pipe in working position. It is connected to its supporting plate 5 by means of a neck. The neck surface of each bending element 7 is also covered by the walls of two other longitudinal grooves made at the ends of the carrier 8, each of which is pivotally connected to the tops of the plates 4 and 5. In the working position, all three grooves of the carrier plate 5 are aligned along the entire length, allowing a free, non-rotational translational moving the movable bending element 7.

На одной из пластин 4 эксцентрично установлен зубчатый зажим 9 с поворотной рукояткой (фиг. 3). Для отрезания готового участка змеевика служит фреза 10 с приводом 11. Отрезанный змеевик снимается с опорных роликов укладчиком 12, действующим от пневмоцилиндра 13.On one of the plates 4 an eccentricly mounted toothed clamp 9 with a rotary handle (Fig. 3). To cut off the finished section of the coil, a mill 10 with a drive 11 is used. The cut off coil is removed from the support rollers by a stacker 12, acting from the pneumatic cylinder 13.

Устройство работает следующим образом.The device operates as follows.

Труба 14 из бухты подается через правильный механизм 15, вводится между шаблонами 6 и гибочным элементом 7 и при повороте рукоятки зажима 9 прижимается к шаблонам 6. В этот момент пластины разведены, цепь раскрыта на звездочке и расстояние между соседними шаблонами 6 равно развернутой длине витка змеевика.The pipe 14 from the bay is fed through the correct mechanism 15, inserted between the templates 6 and the bending element 7, and when the clamp handle 9 is rotated, it is pressed against the templates 6. At this point, the plates are separated, the chain is open on the sprocket and the distance between adjacent templates 6 is equal to the deployed length of the coil coil .

При включении привода 16 цепь вращается.When the drive 16 is turned on, the circuit rotates.

При совмещении пазов гибочные элементы 7 также перемещаются к оси вращения цепи и при этом давят на трубу своей сферической частью, изгибая ее и образуя виток змеевика.When combining the grooves, the bending elements 7 also move to the axis of rotation of the chain and at the same time press on the pipe with its spherical part, bending it and forming a coil of the coil.

Гибка витка полностью завершается при выходе смежных пластин 4 на прямой участок цепи. Во время гибки каждый последующий гибочный элемент,, расположенный на криволинейном участке цепи, подходит к следующему участку трубы своей конусной частью и; перемещаясь вместе с цепью и разворачиваясь конусной частью ввеох. перебрасывает tdv6v под свою сферическую гибочную часть. Пои выходе цепи на прямолинейный участок происходит гибка этого нового участка трубы и так непрерывно формируется змеевик. Передний зажатый конец трубы освобождается. когда рукоятка эксцентрикового зажима 9. упираясь в переднюю пластину 4. поворачивается. При надвижении изогнутой трубы на фрезу 10, действующую от привода 11, фреза перерезает трубу, готовый змеевик ‘снимается с опор шаблона укладчиком 12, действующим от пневмоцилиндра 13. При необходимости изменить длину (глубину) витков змеевика опорные стержни шаблона 6 переставляют по длине пластин 4 и укрепляют на одном или разных уровнях.The bending of the coil is completed when the adjacent plates 4 exit to a straight section of the chain. During bending, each subsequent bending element, located on a curved section of the chain, approaches the next section of the pipe with its conical part and; moving along with the chain and turning around in the conical part of the header. throws tdv6v under its spherical bending part. After the chain reaches a straight section, this new pipe section bends and a coil forms continuously. The front clamped end of the pipe is released. when the handle of the eccentric clamp 9. rests against the front plate 4. When the curved pipe is moved onto the cutter 10, acting from the actuator 11, the cutter cuts the pipe, the finished coil 'is removed from the template supports by the stacker 12, acting from the pneumatic cylinder 13. If necessary, change the length (depth) of the coil turns of the coil, the support rods of the template 6 are rearranged along the length of the plates 4 and strengthen at one or different levels.

Предлагаемое устройство может быть применено для гибки изделий разных размеров и конфигураций.The proposed device can be used for bending products of different sizes and configurations.

Claims

The invention relates to. to metal processing. pressure, in particular to pipe bending production. f A device for flexing an Evikov serpent is known, containing alternately pdustins with templates and plates carrying the bending elements, as well as the carrier hingedly connecting these plates, D, a disadvantage of the known device is that the templates are mounted on the plates stationary, and therefore, as a result of the operation of this device, coils of one configuration are obtained. The purpose of the invention is to obtain coils of various shapes. To achieve this goal, in the device for bending coils, which are alternately mounted on a plate with templates and plates, supporting bending elements, and also drove, hingedly connecting all plates to each other, the templates are mounted on corresponding plates with the possibility of adjustment movement, and each bending element is designed in the form of an asymmetric ellipse. In addition, the device is equipped with a drive-endless chain mounted on the bed, with the plates carrying the bending elements attached to this chain, and the longitudinal grooves for the bending elements are made in the carriers. In this case, the chain pitch is equal to half, the pitch of the coil being manufactured; The device is equipped with nodes for clamping and cutting the pipe being processed and the removal of the finished coil. FIG. 1 shows the device, a general view; in fig. 2 - section A-A. in fig. one; in fig. 3 - clamping unit; in fig. 4 - knot are flexible. In the working moment; on r. 5 - hybrionic element; in fig. 6 - examples of configurations of the obtained coils. The device comprises a bed 1, on which a drive 2 and 3 sprockets are fixed in the bearing supports. The sprockets are equipped with an infinite drive chain, on which plates 4 and 5 are mounted. Plates 4 are fixedly fixed with the possibility of rotation around their axis templates 6, they can be installed anywhere along the length of the plates. At the free end of each plate 5, a long groove is made, in which a movable bending element 7 is movably mounted. In this CIM, the patterns 6 alternate on a chain with the bending elements 7, which determines the coil pitch equal to half the pitch of the chain. Each bending element 7 is made up of a composite of two parts: directly bending spherical, the radius of which is equal to the bending radius, and conical, serving to install the pipe in its working position. It is connected to its carrier plate 5 via a cervix. The surface of the neck and of each bending element 7 is also covered by the walls of two other longitudinal grooves made at the ends of the carrier 8, each of which is pivotally connected to the tops of the plates 4 and 5. In the working position, all three grooves of the carrier plate 5 are aligned along the entire length. free non-rotational translational movement of the movable bending element 7. On one of the plates 4, an eccentric gear 9 with a rotary handle is installed eccentrically (FIG. 3). In order to cut the finished section of the coil, a milling cutter 10 is driven with a drive 11. The cut coil is removed from the support rollers by a stacker 12 acting from a pneumatic cylinder 13. The device operates as follows. The pipe 14 from the coil is fed through the correct mechanism 15, is inserted between the templates 6 and the bending element and, when the handle 9 is turned, presses the templates 6. At this point, the plates are separated, the chain is opened on the sprocket and the distance between adjacent templates 6 is equal to unfolded length of the coil. When the drive 16 is turned on, the circuit rotates. 84 When the grooves are combined, the bending elements 7 also move to the axis of rotation of the chain and, at the same time, press on the pipe with its spherical part, bending it and forming a coil coil. The bending of the coil is fully completed when the adjacent plates 4 exit to the straight chain. During bending, each subsequent bending element, located on a curved section of the chain, approaches the next pipe section with its tapered part and; moving along with the target and turning around the conical part of the whole. He shoots a tuba under his spheic bending part. Upon the exit of the chain to the straight section, this new section of pipe is flexible and the coil is so continuously formed. The front clamped end of the tube is released when the handle of the eccentric clip 9. The width into the front plate 4 is turned. When the bent pipe moves toward the milling cutter 10, which acts from the actuator 11, the milling cutter cuts the pipe, the finished coil is removed from the template supports by the stacker 12 acting from the pneumatic cylinder 13. If you need to change the length (depth) of the coil turns, the support rods of the template 6 are rearranged along the length of the plates 4 and strengthened at the same or different levels; The proposed device can be used for bending products of different sizes and configurations. Claim 1. Device for bending coils, containing alternately. Plates with templates and plates mounted on the frame, supporting bending elements, as well as drove - all the plates are hingedly connected with each other in order to obtain coils of various shapes, the templates are mounted on the respective plastias with the possibility of adjustment movement, and each bending element is made in the form of an asymmetric Ellipse.

2. The device according to claim 1, which is equipped with an endless chain mounted on the bed, while the plates carrying the bending elements are fixed on this chain, and the longitudinal grooves for the bending elements are filled in the carriers 5.

3. The device according to any one of the preceding claims is that the chain step is equal to half the step of the coil to be made.

4. The device according to claim 1, that is, that it provides 8762386 with clamping and cutting units for processing of the pipe and removal of the finished serpent. Sources of information taken into account during the examination 1. Japan Patent 52-44555,. cl. B 21 D 7/04, 09. I.77.

Pi / e. f