SU742005A1

SU742005A1 - Apparatus for feeding strip and band material into working zone of die

Info

Publication number: SU742005A1
Application number: SU782597592A
Authority: SU
Inventors: Николай Сергеевич Савостов; Георгий Васильевич Машенский
Original assignee: Производственное Объединение "Ростсельмаш"
Priority date: 1978-04-03
Filing date: 1978-04-03
Publication date: 1980-06-25

Description

Изобретение относится к кузнечно-прессовому оборудованию и может быть использовано для подачи полосового и ленточного материала в рабочую зону штампа.The invention relates to forging equipment and can be used to feed strip and tape material into the working area of the stamp.

Известно устройство для подачи полосового и ленточного материала в рабочую ₅зону штампа, установленного на прессе, содержащее снабженные приводом вращения тянущую пару валков и толкающую пару валков, в которой верхний валок связан с приводом подъема, упор кратности, установленный на подвижных в горизонтальной Ю плоскости направляющих. Направляющие связаны с приводом их перемещения и расположены выше плоскости подачи.A device is known for feeding strip and tape material into the working zone _{5 of} a stamp mounted on a press, comprising a rotating pair of rolls equipped with a rotary drive and a pushing pair of rolls, in which the upper roll is connected to the hoist drive, a stop of multiplicity mounted on guides movable in the horizontal plane Y . The guides are connected with the drive of their movement and are located above the feed plane.

Устройство также содержит два датчика наличия материала, один из которых установлен от продольной оси штампа на расстоянии, меньшем шага подачи, и связан с приводом перемещения направляющих, с приводами вращения тянущей и толкающей пар валков, а другой датчик наличия материала установлен у толкающей пары вал- 20 ков и связан с их приводом вращения [1].The device also contains two sensors for the availability of material, one of which is installed from the longitudinal axis of the stamp at a distance less than the pitch of the feed, and is connected with a drive for moving the guides, with drives for rotating the pulling and pushing pairs of rolls, and the other sensor for the presence of material is installed at the pushing pair of shafts 20 forks and is connected with their rotation drive [1].

Недостатком известного устройства является возможность вырубки негабаритной детали так как датчик наличия материала.A disadvantage of the known device is the possibility of cutting down an oversized part as a material availability sensor.

установленный от продольной оси штампа на расстоянии, меньшем шага подачи, при прекращении взаимодействия с материалом подает сигнал на включение привода подъема и приводов вращения пар валков вне зависимости от положения ползуна пресса, в результате чего при наименьшем остатке материала верхний валок толкающей пары опускается раньше, чем прекращается его вращение, и новая полоса или лента подается в штамп на величину меньше шага подачи, что приводит к вырубке негабаритной детали.installed from the longitudinal axis of the stamp at a distance less than the feed pitch, when the interaction with the material ceases, it gives a signal to turn on the lift drive and the rotation drives of the roll pairs regardless of the position of the press slide, as a result of which, with the smallest remaining material, the upper roll of the pushing pair drops earlier than its rotation stops, and a new strip or tape is fed into the stamp by an amount less than the feed pitch, which leads to the cutting of an oversized part.

При наибольшем остатке материала, однако меньшем шага подачи, тянущая пара валков удаляет материал из рабочей зоны штампа в момент штамповки, что также приводит к вырубке негабаритной детали.With the largest remaining material, but less feed pitch, the pulling pair of rolls removes material from the working area of the stamp at the time of stamping, which also leads to the cutting of an oversized part.

Известное устройство имеет довольно сложную конструкцию.The known device has a rather complex structure.

Целью изобретения является исключение вырубки негабаритной детали.The aim of the invention is the elimination of cutting oversized parts.

Это достигается тем, что устройство снабжено конечным выключателем, управляемым подвижной частью пресса и связанным с при водом подъема и приводами вращения тянущей и толкающей пар валков, а датчик наличия материала, связанный с приводом подъема и приводом вращения тянущей пары валков, расположен от продольной оси штампа на расстоянии, равным шагу подачи.This is achieved by the fact that the device is equipped with a limit switch controlled by the movable part of the press and connected with the lifting drive and rotation drives of the pulling and pushing rolls pair, and the material presence sensor associated with the lifting drive and the rotation drive of the pulling rolls pair is located from the longitudinal axis of the stamp at a distance equal to the pitch of the feed.

Упор кратности расположен под плоскостью подачи, а с приводом подъема связан нижний валок толкающей пары, датчики наличия материала расположены над плоскостью подачи, устройство может быть снабжено закрепленной на подвижной части пресса копиркой планкой и установленным на неподвижной части пресса двуплечим рычагом, взаимодействующим одним концом с копирной планкой, а другим — с конечным выключателем.The multiplicity stop is located under the feed plane, and the lower roller of the pushing pair is connected to the lift drive, the material presence sensors are located above the feed plane, the device can be equipped with a carbon bar fixed to the movable part of the press and a two-arm lever mounted on the stationary part of the press, which interacts at one end with the carbon copy strap, and the other with a limit switch.

На фиг. 1 изображено предложенное устройство, общий вид; на фиг. 2 — электросхема устройства.In FIG. 1 shows the proposed device, a General view; in FIG. 2 - electrical circuit of the device.

Устройство для подачи полосового и ленточного материала в рабочую зону пресса содержит верхний толкающий валок 1 и нижний толкающий валок 2, связанный с пневмоцилиндром 3. Нижний толкающий валок 2 шарнирно связан с рольгангом 4 Рама рольганга 4 одним концом шарнирно закреплена на основании, а другой ее конец подпружинен в вертикальном направлении. За прессом по ходу подачи установлены верхний тянущий валок 5 и нижний тянущий валок 6, связанные через шестерни и муфты обгона (на чертеже не показаны) с рейкой 7, закрепленной на штоке пневмоцилиндра 8, ход рейки 7 ограничивается упором 9.A device for supplying strip and tape material to the working area of the press contains an upper pushing roller 1 and a lower pushing roller 2 connected to the pneumatic cylinder 3. The lower pushing roller 2 is pivotally connected to the roller table 4 The frame of the roller table 4 is pivotally fixed to the base and its other end spring loaded in the vertical direction. Upper pulling roller 5 and lower pulling roller 6 are installed behind the press along the feed, connected via gears and overtaking couplings (not shown in the drawing) with a rail 7 mounted on the rod of the pneumatic cylinder 8, the stroke of the rail 7 is limited by a stop 9.

На станине пресса шарнирно установлен двуплечий рычаг 10, взаимодействующий одним концом с конечным выключателем 11, а другим — с копирной планкой 12, закрепленной на ползуне 13 пресса. Между рабочей зоной пресса и валками 1 и 2 установлены датчики 14 и 15 наличия материала 16. Валки 1 и 2 связаны с приводом вращения (на чертеже не показан).A two-arm lever 10 is pivotally mounted on the bed of the press, interacting at one end with a limit switch 11, and the other with a copy plate 12 fixed to the press slider 13. Between the working area of the press and the rollers 1 and 2 are installed sensors 14 and 15 of the presence of material 16. The rollers 1 and 2 are connected with a rotation drive (not shown in the drawing).

Датчик 14 наличия материала 16 установлен от режущей кромки штампа 17 на расстоянии, равном шагу подачи. На неподвижной части штампа 17 под плоскостью подачи установлен регулируемый упор кратности 18 на расстоянии от режущей кромки штампа 17, равном шагу подачи. На ползуне 13 закреплен пуансон 19.The sensor 14 of the presence of material 16 is installed from the cutting edge of the stamp 17 at a distance equal to the pitch of the feed. On the stationary part of the stamp 17, under the supply plane, an adjustable stop of multiplicity 18 is installed at a distance from the cutting edge of the stamp 17 equal to the pitch of the feed. On the slider 13, the punch 19 is fixed.

Устройство для подачи полосового и ленточного материала в рабочую зону пресса работает следущим образом.A device for feeding strip and tape material into the working area of the press operates as follows.

Материал 16 (полоса или лента) подается по рольгангу 4 между толкающими валками 1 и 2 до упора кратности 18. Включают пресс на автоматический режим, пневмоцилиндром 3 поджимают нижний подающий валок 2. Материал 16 зажимается валками 1 и 2 и' воздействует на датчики 14 и 15 наличия материала 16.Material 16 (strip or tape) is fed along the live roll 4 between the pushing rolls 1 and 2 until the stop is 18. The press is turned on automatically, the lower feed roll 2 is pressed with the pneumatic cylinder 3. Material 16 is clamped by the rolls 1 and 2 and acts on the sensors 14 and 15 availability of material 16.

Включается привод вращения валков 1 и 2, которые перемещают материал 16 в рабочую зону пресса на шаг подачи.The rotation drive of the rolls 1 and 2 is turned on, which move the material 16 into the working area of the press by the feed step.

При выходе конца материала 16 из валков 1 и 2 датчик 15 наличия материала подает сигнал в систему управления пневмоцилиндра 3, который опускает нижний подающий валок 2. По рольгангу 4 подается следующая полоса или лента 16 до регулируемого упора кратности 18. При дальнейшем перемещении материала 16 датчик 14 наличия материала, освобождаясь от действия материала 16, замыкает контакт цепи управления пневмоцилиндром 8.When the end of the material 16 from the rolls 1 and 2 exits, the material presence sensor 15 sends a signal to the control system of the pneumatic cylinder 3, which lowers the lower feed roller 2. The next strip or belt 16 is fed along the live roll 4 to an adjustable stop of multiplicity 18. When the material is further moved 16, the sensor 14 of the availability of material, freed from the action of the material 16, closes the contact of the control circuit of the pneumatic cylinder 8.

При подъеме ползуна 13 и выходе пуансона 12 из материала 16 копирный клапан 12 воздействует на конец двуплечего рычага 10, который другим концом воздействует на конечный выключатель 11.When lifting the slider 13 and the exit of the punch 12 from the material 16, the copy valve 12 acts on the end of the two shoulders of the lever 10, which the other end acts on the limit switch 11.

Конечный выключатель 11 подает сигнал в систему управления пневмоцилиндром 3, который поднимает нижний валок 2 в систему управления пневмоцилиндром 8. Пневмоцилиндр 8 приводит в движение тянущие валки 5 и 6, которые удаляют отход материала 16 из рабочей зоны пресса со скоростью, превышающей скорость подачи материала толкающими валками 1 и 2.The limit switch 11 sends a signal to the control system of the pneumatic cylinder 3, which raises the lower roll 2 to the control system of the pneumatic cylinder 8. The pneumatic cylinder 8 drives the pulling rollers 5 and 6, which remove the waste material 16 from the working area of the press at a speed exceeding the feed material pushing rolls 1 and 2.

Конечный выключатель 11 подает сигнал и в систему управления приводом вращения валков 1 и 2, которые подают материал 16 в рабочую зону пресса.The limit switch 11 gives a signal to the control system of the drive rotation of the rolls 1 and 2, which feed the material 16 into the working area of the press.

Затем цикл повторяется.Then the cycle repeats.

Claims

(54) DEVICE FOR SUBMITTING STRIP AND TAPE MATERIAL TO THE STAMP WORKING AREA The invention relates to forging equipment and can be used to feed strip and tape material into the working zone of the stamp. A device for feeding the strip and tape material into the working area of a punch mounted on a press is known to contain a rotary drive pulling pair of rolls and a pushing pair of rolls in which the upper roller is connected to the lift drive, an emphasis of multiplicity mounted on a horizontal directional direction . The guides are connected with the drive of their movement and are located above the feed plane. The device also contains two material presence sensors, one of which is installed from the longitudinal axis of the punch at a distance smaller than the feed pitch, and is connected to the movement drive of the guides, rotational drives of the pulling and pushing pair of rolls, and the other material presence sensor is installed pushes a pair of rolls and is connected with their rotational drive 1. A disadvantage of the known device is the possibility of cutting out an oversized part, since the sensor is a material presence. installed from the longitudinal axis of the punch at a distance smaller than the feed pitch, when it stops interacting with the material, it sends a signal to activate the lift drive and the rotation drives of the pair of rolls, regardless of the position of the press ram, resulting in the lower roll of the pushing pair lowering, whereby its rotation stops, and a new strip or tape is fed into the stamp by an amount less than the feed pitch, which leads to the cutting of the oversized part. With the largest amount of material remaining, however, a smaller feed pitch, the heavy pair of rolls removes material from the working area of the punch at the time of shtampovka, which also leads to the cutting of oversized parts. The known device has a rather complicated structure. The aim of the invention is to eliminate the cutting of oversized parts. This is achieved by the fact that the device is equipped with a limit switch, controlled by the movable part of the press and connected with the lifting drive and the rotation drives of the pulling and pushing pair of rolls, and the material availability sensor associated with the lifting drive and the rotation drive of the pulling pair of rolls, is located from the longitudinal axis of the stamp at a distance equal to the feed pitch. The multiplicity stop is located under the feed plane, and the lower roller of the pushing pair is connected with the lifting drive, the material presence sensors are located above the feed plane, the device can be equipped with a coping bar mounted on the movable part of the press and a two-arm lever mounted on the stationary part of the press, which interacts with one end copying bar, and the other - with the limit switch. FIG. 1 shows the proposed device, a general view; in fig. 2 - device electrical circuit. The device for feeding the strip and tape material into the working area of the press comprises an upper pushing roller 1 and a lower pushing roller 2 connected to the pneumatic cylinder 3. The lower pushing roller 2 is hinged to the roller table 4 The frame of the roller table 4 is fixed to the base with one end and the other its end is spring loaded in a vertical direction. Behind the press, the upper pulling roller 5 and the lower pulling roller 6, connected through shchestren and overtaking clutches (not shown) with a rail 7 mounted on the pneumatic cylinder stem 8, are mounted along the feed rod. The stroke of the rail 7 is limited by an emphasis 9. On the frame the press is a double-arm pivotally mounted lever 10, which communicates at one end with a limit switch 11, and the other with a copy bar 12 attached to the slider 13 of the press. Sensors 14 and 15 of material 16 are installed between the working area of the press and rollers 1 and 2. Rollers 1 and 2 are connected to a rotational drive (not shown). The sensor 14 for the presence of material 16 is installed from the cutting edge of the stamp 17 at a distance equal to the feed pitch. On the stationary part of the punch 17 under the feed plane, an adjustable stop of multiplicity 18 is placed at a distance from the cutting edge of the punch 17 equal to the feed pitch. A punch 19 is fastened to the slider 13. A device for feeding strip and tape material into the working area of the press works as follows. The material 16 (strip or ribbon) is fed along the roller table 4 between the pushing rollers 1 and 2 up to the stop of multiplicity 18. The press is turned on for automatic mode, the lower feed roller 2 is pressed by the pneumatic cylinder 3. The material 16 is clamped by the rollers 1 and 2 and acts on the sensors 14 and 15 material availability 16. The rotation of the rolls 1 and 2, which move the material 16 into the press working area per feed step, is activated. When the end of the material 16 exits from the rolls 1 and 2, the material presence sensor 15 sends a signal to the control system of the pneumatic cylinder 3, which lowers the lower feed roller 2. The next strip or belt 16 is fed to the roller table 4 to an adjustable stop of multiplicity 18. With further material movement 16, the material presence sensor 14, released from the action of material 16, closes the contact of the pneumatic cylinder control circuit 8. When the slider 13 is lifted and the punch 12 leaves the material 16, the copier valve 12 acts on the end of the two shoulders lever 10, which is different The end switch acts on the control system of the pneumatic cylinder 3, which lifts the lower roller 2 in the control system of the pneumatic cylinder 8. The pneumatic cylinder 8 drives the pull rollers 5 and 6, which remove material 16 from the working press zones with a speed exceeding the feed rate of the material by the pushing rolls 1 and 2. The limit switch 11 also sends a signal to the rotation drive drive control system 1 and 2, which feed the material 16 into the press working area. Then the cycle is repeated. Apparatus of the Invention A device for supplying a strip and band material to a working zone of a punch mounted on a press, comprising a rotationally-driven pulling pair of rolls and a pushing pair of rolls, in which one of the rolls is connected to a lift drive, an emphasis of multiplicity, material presence sensors, one of which is installed on the pushing pair of rolls and is connected with the lifting drive, and the other is connected with the lifting drive and with the rotation drive of the carrying pair of rolls, characterized in that, in order to eliminate the cutting of the oversized part, The device is equipped with a limit switch controlled by the movable part of the press and connected with the lifting drive and with rotational drives of the pulling and pushing pair of rolls, and the material availability sensor associated with the lifting drive and the rotational drive of the pulling pair of rolls is located from the longitudinal axis of the stamp at a distance equal to the feed pitch.

2. The device according to claim 1, characterized in that, in order to simplify the construction, the multiplicity stop is located under the feed plane, the lower roll of the pushing pair is connected to the lifting drive, and the material presence sensors are located above the feed plane.

3. The device according to claim 1, characterized in that it is provided with a copier bar mounted on the movable part of the press and a two-arm lever mounted on the stationary part of the press, which interacts with one end of the copier bar and the other with the limit switch.

Sources of information taken into account during the examination 1. USSR Author's Certificate No. 478653, cl. B 21 D 43/08, 04.01.74 (prototype).

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FIG. 2