SU738761A1

SU738761A1 - Apparatus for knocking boxless stack moulds

Info

Publication number: SU738761A1
Application number: SU772536438A
Authority: SU
Inventors: Василий Игнатьевич Волков; Карлен Арсенович Григорян; Илья Ильич Синани; Валерий Григорьевич Иванов; Андрей Павлович Федотов
Priority date: 1977-10-21
Filing date: 1977-10-21
Publication date: 1980-06-05

Description

Изобретение относится к литейному производству, в частности, к выбивным устройствам.The invention relates to foundry, in particular, to knockout devices.

Известно устройство для выбивки стопочных форм, содержащее установленные на опорной раме рабочий стол с приемной опорной нлигой, размещенный над ним вибратор, приемный ⁵лоток и сталкиватель форм [1].A device for knocking out stacked forms, comprising a working table mounted on a supporting frame with a receiving supporting nilga, a vibrator placed above it, a receiving ⁵ tray and a form pusher [1].

Однако это устройство недостаточно точно ориентирует стопку форм относительно выбивного устройства.However, this device does not accurately orient the stack of forms relative to the knockout device.

Цель изобретения - повышение точности ориентации стопки форм относительно вибратора.The purpose of the invention is to increase the accuracy of orientation of the stack of forms relative to the vibrator.

Это достигается тем, что установка снабжена приводной в горизонтальной плоскости вертикальной плитой с продольным пазом на ее рабочей поверхности, с центрирующими углублениями башмаком и опорной плитой, закрепленными соответственно на вибраторе и столе, причем упомянутые углубления распо· ₂₀ложены соосно и параллельно оси продольного паза плиты.This is achieved in that the installation is provided with a drive in the horizontal plane of the vertical plate with a longitudinal groove on its working surface with centering recesses shoe and the support plate, fixed respectively on the shaker and the table, said recesses Raspaud · ₂₀ lozheny coaxially and parallel to the axis of the longitudinal plate groove .

На фиг. 1 изображена установка в плане; на фиг. 2 - разрез А-А фиг. 1; на фиг. 3 2 разрез Б-Б фиг. 2; на фиг. 4 - разрез В-В фиг. 3.In FIG. 1 shows the installation in plan; in FIG. 2 is a section AA of FIG. 1; in FIG. 3 2 section BB of FIG. 2; in FIG. 4 is a section BB of FIG. 3.

Установка содержит стоп 1 для приема стопок форм 2, приемную опорную плиту 3, вибратор 4 для отделения отливок и смеси от стояка, механизм 5 ориентации стопок, выбивную внброинерционную решетку 6, сталкиватель 7 форм с литейного конвейера и лоток 8 для передачи очищенных стояков за пределы установки. Вибратор 4 для отделения Отливок и смеси от стояка смонтирован на верхней траверсе 9 установки, включает в себя отбойный молоток 10, зафиксированный между двумя направляющими планками 11 и имеющий возможность перемещения в вертикальном направлении по скалкам 12. Отбойный молоток 10 заканчивается башмаком 13 с коническим центрирующим углублением, соосно расположенным с аналогичным углублением в массивной стальной пяте 14. Пята закреплена на столе 1, который, кроме нее, включает в себя также два кронштейна 15, 16 с направляющими роликами для опорной плиты 3, и снабжена центральным пазим для осуществления ееThe installation comprises a stop 1 for receiving stacks of molds 2, a receiving base plate 3, a vibrator 4 for separating the castings and the mixture from the riser, a mechanism 5 for orienting the stacks, a knocked out inertia-free grid 6, a pusher 7 of forms from the casting conveyor and a tray 8 for transferring cleaned risers outside installation. The vibrator 4 for separating the Castings and the mixture from the riser is mounted on the upper traverse 9 of the installation, includes a jackhammer 10, fixed between two guide bars 11 and having the ability to move vertically along the rolling pin 12. The jackhammer 10 ends with a shoe 13 with a conical centering recess coaxially located with a similar recess in the massive steel heel 14. The heel is fixed on the table 1, which, in addition to it, also includes two brackets 15, 16 with guide rollers for supporting plate 3 and provided with a central pazim for its

возвратно-поступательных перемещений относительно неподвижной пяты 14.reciprocating movements relative to the fixed heel 14.

На кронштейне 15 закреплен лист 17 для передачи стопки форм 2, установленной на поддоне 18, с литейного конвейера 19 на стол 1. На кронштейне 16 установлены механизм поворота 20 поворотной стенки 21 и 'неподвижная стенка 22. Стол 1 закреплен на балке 23. Так как при сталкивании стенок форм 2 с литейного конвейера 19 происходит сложение скоростей двух движений (перемещение литейного конвейера и сталкивание форм), ось стопки смещается относительно своего первоначального положения. Кроме того,' величина этого смещения может колебаться в известных пределах из-за неодинакового шага стопок на конвейере и колебаний скорости сталкивания.A sheet 17 is fixed on the bracket 15 for transferring a stack of molds 2 mounted on the pallet 18 from the casting conveyor 19 to the table 1. On the bracket 16 there is a rotation mechanism 20 of the pivoting wall 21 and a 'fixed wall 22. Table 1 is fixed on the beam 23. Since when the walls of molds 2 collide with the casting conveyor 19, the speeds of two movements are added (moving the casting conveyor and the molds collide), the axis of the stack shifts relative to its original position. In addition, the magnitude of this displacement can fluctuate within certain limits due to the uneven pitch of the stacks on the conveyor and fluctuations in the speed of collision.

С’целью получения фиксированного положе, ния стопки 2 на столе 1 установлен механизм ориентации стояка, содержащий вертикально расположенную коробчатого сечения вертикальную плиту 24, жестко связанную с рамой 25, имеющей возможность перемещения в горизонтальной плоскости. Исходное положение плиты 24 определяется с учетом максимально возможного смещения стопки форм 2 при передаче ее с литейного конвейера 19. Конечное положение плиты 24 регулируется таким образом, чтобы стояк 26, размещенный в центре стопки' форм, был расположен соосно с коническими центрирующими углублениями в башмаке 13 _sи пяте 14.In order to obtain a fixed position, the stack 2 on the table 1 has a riser orientation mechanism comprising a vertically arranged box-section vertical plate 24, rigidly connected to the frame 25, which can be moved in a horizontal plane. The initial position of the plate 24 is determined taking into account the maximum possible displacement of the stack of molds 2 when transferring it from the casting conveyor 19. The final position of the plate 24 is adjusted so that the riser 26 located in the center of the stack of molds is aligned with the conical centering recesses in the shoe 13 _s and heel 14.

В центре плиты 24 по всей ее высоте имеется углубление для надежного ^ахвата очищенного стояка при перемещении его плитой 24 в направлении лотка 8, закрепленного на колонне 27. Плита 24,. поворотная' стенка 21 и неподвижная стенка 22 образуют во время работы вибратора 4 камеру, внутри которой происходит отделение земли и отливок от стояка. Выбивная решетка 6 с двухвальным электромеханическим вибратором 28 и двумя наборами стальных дисков 29, свободно сидящих на. валах 30, зафиксированных, в свою очередь, на корпусе решетки, расположена в нижней части установки и предназначена для разбивки комьев земли, отделения земли от отливок, просеивания земли через полотно решетки.In the center of the plate 24 over its entire height there is a recess for reliable gripping of the cleaned riser when moving it with the plate 24 in the direction of the tray 8 mounted on the column 27. Plate 24 ,. The pivoting wall 21 and the fixed wall 22 form a chamber during operation of the vibrator 4, inside which the earth and castings are separated from the riser. Knocked out grill 6 with a two-shaft electromechanical vibrator 28 and two sets of steel disks 29, freely sitting on. shafts 30, fixed, in turn, on the grate housing, is located at the bottom of the installation and is designed to break up clods of earth, separate the earth from castings, sift the earth through the grating web.

Сталкиватель 7 форм с литейного конвейера состоит из вертикально расположенной стенки 31, жестко связанной с рамкой 32, имеющей возможность^-перемещения в горизонтальной плоскости. *Jogger 7 forms a casting conveyor consists of a vertically disposed wall 31 rigidly connected with frame 32 having a possibility ^- movement in the horizontal plane. *

Установка работает следующим образом.Installation works as follows.

Стопка форм 2, установленная на поддоне 18 и перемещаемая литейным конвейером 19, при подходе к позиции выбивки подает команду на срабатывание сталкивателя форм 7. ПриA stack of molds 2 mounted on a pallet 18 and moved by a casting conveyor 19, when approaching the knockout position, gives a command to operate the mold collider 7. When

738761 4 этом стенка 31 перемещает ; стопку форм 2 с поддоном 18 в направлении к столу 1. Под-| дон 18, встречая торец листа 17, остается на конвейере 19, а стопка форм 2, пройдя лист 5 17, оказывается на приемной опорной плите ’ 3, которая в это время находится на позиции стола 1. Вертикальная плита 24 перемещает стопку форм 2 так, чтобы стояк 26 установил ся соосно с центрирующими коническими 10 углублениями в башмаке 13 и пяте 14. В конце хода ориентации стопки подается команда на опускание вибратора 4, и башмак 13 жестко фиксирует стояк 26 на пяте 14. Далее подается команда на отход приемной опорной 15 плиты 3, в результате чего для. отливок и земли открывается доступ к выбивной решетке 6. Затем включается отбойный молоток 10, и отделившиеся в результате вибрации отливки и смесь попадают на решетку 6. После оконча20 тельного Отделения смеси и отливок от стояка поворотная стенка 21 открывается, устанавливаясь параллельно направлению перемещения' плиты 24. Одновременно плита 24, перемещаясь далее в направлении стояка, по пути, когда 25 стояк оказывается в центральном пазу плиты738761 4 this wall 31 moves; a stack of molds 2 with pallet 18 towards table 1. Sub- | don 18, meeting the end face of sheet 17, remains on the conveyor 19, and the stack of forms 2, passing sheet 5 17, is on the receiving base plate '3, which at this time is at the position of table 1. Vertical plate 24 moves the stack of forms 2 so so that the riser 26 is installed coaxially with the centering conical recesses 10 in the shoe 13 and the heel 14. At the end of the orientation of the stack, a command is issued to lower the vibrator 4, and the shoe 13 rigidly fixes the riser 26 on the heel 14. Next, a command is sent to withdraw the receiving support plate 15 3, bringing for. of castings and earth, access to the knockout grate is opened 6. Then the jackhammer 10 is turned on, and the castings and mixture separated as a result of vibration fall onto the grate 6. After the final separation of the mixture and castings from the riser, the pivoting wall 21 opens, being installed parallel to the direction of movement of the plate 24 . Simultaneously, the plate 24, moving further in the direction of the riser, along the path when 25 riser is in the Central groove of the plate

24, подает команду на быстрый отход вибра-. тора. Плита 24, двигаясь далее, сбрасывает очищенный стояк в наклонный лоток 8 для передачи на цеховой транспорт. Затем плита 30 24, а за ней поворотная стенка 21 возвращаются в исходное положение. Цикл закончен. При поступлении очередной стопки форм на литейном конвейере на ось сталкивателя форм цикл повторяется.24, instructs the rapid departure of the vibration. Torah. Plate 24, moving further, dumps the cleaned riser into the inclined tray 8 for transmission to the workshop transport. Then the plate 30 24, and behind it the pivoting wall 21 is returned to its original position. The cycle is over. Upon receipt of the next pile of molds on a casting conveyor on the axis of the mold pusher, the cycle repeats.

³⁵³⁵

Claims

The invention relates to casting production, in particular, to knocking devices. A device for knocking out stowed forms is known, comprising a work table mounted on a supporting frame with a receiving supporting titrator, a vibrator placed above it, a receiving tray and a push-off mold 1. However, this device does not accurately orient a stack of forms regarding knockout device. The purpose of the invention is to improve the accuracy of orientation of the stack of forms relative to the vibrator. This is achieved in that the installation is provided with a horizontal plate driven by a vertical plate with a longitudinal groove on its working surface, with centering pits and a base plate fixed respectively on the vibrator and the table, and the said grooves are located coaxially and parallel to the axis of the longitudinal groove of the plate . FIG. 1 shows the installation in the plan; in fig. 2 - section A-A of FIG. one; in fig. 3 section bb FIG. 2; in fig. 4 shows a section bb of FIG. 3. The installation comprises a table 1 for receiving the piles of molds 2, a receiving support plate 3, a vibrator 4 for separating castings and the mixture from the stand, a mechanism 5 for orientation of the piles, an embossing vibro-inertia grating 6, an interrupter 7 for molds from the casting conveyor and a tray 8 for transferring cleaned out of installation. The vibrator 4 for separating the castings and the mixture from the stand is mounted on the upper traverse 9 of the installation, includes a jackhammer 10 fixed between two guide pins 11 and having the ability to move in the vertical direction along the rolling pins 12. The jackhammer 10 ends with a shoe 13 with a conical a centering groove coaxially located with a similar groove in a massive steel strip 14. The rail is fixed on the foot 1, which, in addition to it, also includes two brackets 15, 16 with guide rollers for plate 3, and is provided with a central groove for making it vzz1vr 1yy-translational displacements related to the heel of a fixed heel 14. On the bracket 15 is fixed a sheet 17 for transferring a stack of forms 2 mounted on a pallet 18 from the casting conveyor 19 to the table 1. On the croc 16, the rotation mechanism 20 of the rotary wall 21 and the fixed motion on the wall 22 are mounted. Table 1 is fixed on the beam 23. As the walls of the molds 2 are pushed from the casting conveyor 19, the velocities of two movements are added (the movement of the casting conveyor and the forms are pushed) The op is shifted from its original position. In addition, the magnitude of this displacement may fluctuate within certain limits due to the unequal pitch of the stacks on the conveyor and fluctuations in the rate of stapling. In order to obtain a fixed position, neither stack 2 on table 1 has an orientash mechanism 1; and a stool containing a vertically positioned box-section vertical plate 24 rigidly connected to a frame 25 that can be moved in a horizontal plane. The initial position of the plate 24 is determined by taking into account the maximum possible displacement of the stack of forms 2 when transferring it from the casting conveyor 19. The final position of the plate 24 is adjusted so that one hundred and sixteen are placed) F) III in the center of the stack of forms is coaxial with conical centering grooves in the bagmak 13 and 14. In the center of the plate 24, along its entire height, there is a dp of a safe hold of the cleaned stand when it is moved by the plate 24 in the direction of the tray 8 fixed on the column 27. Plate 24 is a rotary wall 21 and still Tenkai 22 form during operation of the vibrator 4 chamber within which is separated and land castings from the riser. The embossing grill 6 with a two-wave electromechanical vibrator 28 and two sets of steel discs 29 freely seated on. The shafts 30, fixed, in turn, on the casing of the grid, are located in the lower part of the installation and are intended for breaking up clods of earth, separating the earth from the castings, sifting the earth through the grating web. The pusher 7 of the molds from the casting conveyor consists of a vertically arranged wall 31, rigidly connected with a frame 32, which can be moved in a horizontal plane. The installation works as follows. A stack of molds 2 mounted on a pallet 18 and moved by the casting conveyor 19, when approaching the position of the knockout, gives the command to trigger the slider 7. At THIS, the wall 31 moves the stack of molds 2 with the pallet 18 towards the table 1. Pallet 18, meeting the end of the sheet 17, remains on the conveyor 19, and the stack of forms 2, having passed the sheet 17, O1 is called on the receiving support plate 3, which at this time is at the position of the table 1. The vertical plate 24 moves the stack of forms 2 so that it stands to 26 set with coaxially with centering conical grooves in Bashmak 13 and P 14. At the end of the orientation of the stack, a command is issued to lower the vibrator 4, and Bashmak 13 rigidly fixes one hundred to 26 on to P 14. The command to retract the receiving base plate 3 is then given, resulting in access for the castings The knock out hammer 10 is then turned on, and the castings and the mixture separated as a result of vibration fall onto the grill 6. After the final Mix and castings are separated, the rotary wall 21 opens parallel to the direction of movement of the plate 24. Simultaneously on the plate 24 by moving the Camping continue towards the riser, on the way, when a hundred to okazshaets in the central groove of the plate 24, commands the rapid withdrawal vibration. Torah. Plate 24, moving further, dumps the cleaned one hundred to the inclined tray 8 for transfer to the workshop transport. Then, the plate 24, and after it the pivoting wall 21 returns to its original position. The cycle is over. When another stack of molds on the casting conveyor arrives on the axis of the mold collider, the cycle repeats. Claims An installation for knocking out bezopochny stack molds, containing a working table mounted on a support frame with a receiving support plate and a vibrator placed above it, a receiving tray and a mold pusher, in order to improve the accuracy of orientation of the stack of forms relative to the vibrator, it is provided with a horizontal plate driven in vertical plane with a spacing on its working surface, with centering dimples and anvil, fixed on the vibrator and table, respectively These recesses are coaxial and parallel to the axis of the longitudinal groove. Sources of information, taking into account our examination 1. USSR author's certificate number 82475, l. B 22 D 29/02, 1948.