SU939161A1

SU939161A1 - Unit for producing casting cores

Info

Publication number: SU939161A1
Application number: SU803219500A
Authority: SU
Inventors: Эдуард Петрович Орловский; Владимир Константинович Кузовков; Владимир Георгиевич Ягужинский; Владимир Алексеевич Малолетков; Николай Иванович Воробьев
Original assignee: Предприятие П/Я Р-6543
Priority date: 1980-12-18
Filing date: 1980-12-18
Publication date: 1982-06-30

Description

Изобретение относитс к литейному производству, в частности к изготовлению литейных стержней из тёрмореактивных смесей, отверждаемых в оснастке.The invention relates to foundry, in particular, to the manufacture of casting cores from thermosetting mixtures, cured in a snap.

Известна установка дл изготовлени литейных стержней, отверждаемых в оснастке с вертиксшьным разъемом стержневых щиков, с механическим съемом стержней 1. .A known installation for the manufacture of casting rods, cured in a snap with vertical connector core boxes, with a mechanical removal of the rods 1..

К недостаткам известной установки относитс то, что при вертикальном разъеме стержневых щиков, механизм съема стержней конструктивно сложный и при съеме стержни ломгиотс , что ведет их к браку, при этом производительность установки снижаетс .The disadvantages of the known installation include the fact that with a vertical connector of the rod-shaped boxes, the mechanism for removing the rods is structurally complex and when removing the rods of the rod, which leads them to a marriage, while the productivity of the installation decreases.

.Наиболее близкой по технической сущности и ожидаемому эффекту вл етс установка дл изготовлени стержней отверждаемых в оснастке, содержаща стол с установленными на нем стержневыми щиками с горизонтальным разъемом, пескодувный резервуар с надувной плитой и самоустанавлйвающимис соплами, механизм разъема стержневых щиков, состо щий из опорных колонн и механизма съема стержней 2.The closest in technical essence and expected effect is a plant for manufacturing rods to be cured in a snap-in, containing a table with horizontal hinges mounted on it with a horizontal connector, a sandblasting tank with an inflatable slab and self-aligning nozzles, a hinge connector connector mechanism consisting of supporting columns and the mechanism for removal of rods 2.

К недостаткам данной установки относитс то, что при прот жке и съеме стержней жесткой системой съемника стержни часто ломаютд , остеиотс вм тины, что ухудшает качество лить .The disadvantages of this installation include the fact that when the rods are pulled and removed with a rigid puller system, the rods often break down, osteomotor cavities, which deteriorates the quality of the casting.

Цель изобретени - исключение ударов при прот жке и съеме стержней, а также ускорение их охлаждени .The purpose of the invention is the elimination of impacts during the pulling and removal of the rods, as well as the acceleration of their cooling.

Поставленна цель достигаетс тем, The goal is achieved by

10 что в установке, содержащей стол с установленными на нем стержневыми щиками с горизонтальнымразъемом, пескодувный резервуар с надувной плитой и самоустанавливаклцимис сопла15 ми, .механизм разъема стержневых щиков , состо щий из опорных колонн и механизма съема стержней, механизм съема стержней выполнен в виде,открытого сверху короба, внутри кото20 рого установлена съемна решетчата рамка, при этом днище короба выполнено с двойной стенкой и снабжено форсункс1ми и воздушным краном, а короб на две трети заполнен сыпучим 10 that in an installation containing a table with mounted core boxes with a horizontal connector, a sand-blowing tank with an inflatable plate and self-aligning nozzles, the mechanism of a connector of core boxes consists of supporting columns and a mechanism for removing rods, the mechanism for removing rods is open. on top of the box, inside which a removable lattice frame is installed, the bottom of the box is made with a double wall and equipped with nozzles and an air valve, and the box is two-thirds filled with loose

25 материалом, например песком.25 with material such as sand.

На фиг. 1 показана установка дл изготовлени литейных стержней вид сбоку, съемник принимает стержни из верхней половины стержневого щика; FIG. 1 shows an installation for making casting rods from a side view, the puller receives rods from the upper half of the core crate;

Claims

30 in FIG. 2 - the same, side view, cut-out puller with the raising of a single mesh frame with rods; in fig. 3 is a view of the stripper from the end (section A-A in FIG. 2); in fig. 4 - the mechanism of lifting and lowering the lattice frame. Installation 1 with core boxes, which consist of two halves of the lower half 2 and upper half 3, mounted on plates 4 and 5, pushers 6, puller 7, consisting of an open box 8 with double bottom 9, which forms a chamber 10 In the upper part of the bottom 9 there are nozzles 11, the box 8 two-thirds filled with sand 12 and provided with a trellis frame 13 located inside the box 8 connected to the levers 1 with the rod .15, the pneumatic cylinder 16, the air duct 17 connected to the chamber 10, the tap 18 for supplying air to the chamber 10, the plates 19 associated with the trolley 120, by a lever 21, 22 of a pneumatic cylinder 23 fixed to the frame 24, rods 25. The operation of the pneumatic cylinder is as follows. After the rods 25 have been cured, the core box is opened by means of the installation mechanism 1 (not specified), the upper half 3 with the rods 25 remains in the upper position and the lower half is moved downwards after that by means of the pneumatic cylinder 23 the puller 7 is inserted and at the same time the crane 18 turns on the air that enters the chamber 10 through the air duct 17, and from chamber 10 through nozzles 11 enters box 8, which causes sand 12 to boil and boils 25 from the upper half 3 pull out rods 25 by means of pushers 6. At the same time rods 25 not damaged c, do not break, chilling and small burrs break off, then turn off the air and the puller 7 is set to its original position with the help of pneumatic cylinder 23, after that with pneumatic cylinder 16 and stem 15 connected with levers 14, raise a tentative frame 13 with rods 25, the rods 25 are removed from the frame 13, after which the cycle of operation continues. The technical and economic efficiency of introducing the advanced device consists of reducing the rods, reducing the labor intensity of processing the rods due to partial cleaning of burrs, reducing the cooling time, saving binder and sand, and improving working conditions. All this provides savings of up to 5.0-8.0 thousand rubles. in year. Claims An installation for manufacturing foundry rods cured in a snap-in, comprising a table with horizontal pins mounted on it with a horizontal connector, a sandblasting tank with an inflatable slab and self-aligning nozzles, a pivot connector connector mechanism consisting of supporting columns and a rods removal mechanism distinguishing so that, in order to eliminate shocks during the pulling and breaking of the rods, as well as to accelerate their cooling, the mechanism for removing rods is made in the form of a box open from above, inside which The second frame has a removable retzatchata frame, while the bottom of the box is double-walled and equipped with nozzles and an air valve, and the box is two-thirds filled with bulk material, such as sand. Sources of information taken into account in the examination 1. US Patent No. 3.983.922, cl. 164-183, 1976.

2. Authors certificate of the USSR 351632, - cl. B 22 C 15/24, 1970. 7 S

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