RU1786126C - Device for cooling workpieces at hardening - Google Patents

Abstract

SUMMARY OF THE INVENTION: the device consists of manifolds 7 spiral with nozzles. The pipe 6 of the collectors 7 is connected to the coolant supply chamber 16 and the rotation drive 14. Rigid wavy guides of the collectors 7 are attached to the core. 1. 1. During the rotation of the collectors, the nozzles move along the guides and perform both vertical movement with the collectors and horizontal along the guides. The jets of coolant are forced to uniformly wash all: about the surface of the product, and a rotating vortex stream of cooler is created around the product, bil.

Description

The invention relates to heat treatment, and in particular to devices for cooling during quenching of products.

A known cooling chamber comprising a housing and panels with nozzles mounted thereon. The side panels are made in the form of horizontal grooves of a C-shaped cross section with supply tubes mounted inside, which can be inserted by means of rollers into the spaces between the cooled product and the hearth ..-.

The disadvantage of this device is that the active cooling of the product is carried out only on two sides - above and below, and the sides are passively cooled. The jet of water-air mixture falls from above, the spray bounces to the sides and almost does not fall on the sides. .. -.-. .:.; .

A device for cooling long products during quenching is also known, comprising a quenching tank with a central feeder and additional cooling sections with nozzles located on the side walls of the tank. The tank is equipped with an additional bottom forming a pressure tank with a tank bottom and having the possibility of vertical movement. The nozzles of the additional sections are made with the possibility of axial rotation by means of flexible corrugated inserts, the corrugations of which are made in a helical line. -; .

The disadvantage of this device is the uncontrolled movement of the nozzles, as a result, several jets can be directed to a cooled product in one place, and not one in another, which leads to inhomogeneous heat removal and insufficient uniform cooling of the products.

The aim of the invention is to uniformly cool the articles. .:. . For this, the cooling system is made in the form of multi-start spiral manifolds rigidly interconnected with nozzles, while collectors are mounted, with the possibility of axial rotation, each collector is made with. wavy guide, and nozzles mounted on the manifolds with the possibility of movement along these guides. . .

In FIG. 1 is a sectional view of a cooling apparatus with spiral manifolds; figure 2 is a transverse section of the device; on fig.Z - section of the device along the nozzle and the guide (the nozzle is directed directly to the product); Fig. 4 is a sectional view of the manifold along the nozzle and guide (the nozzle is directed tangentially to the product); In Fig. 5, a rigid serpentine guide

for a nozzle (in expanded form): Fig. 6 shows a scan along spiral collectors.

The device for cooling the product during hardening comprises a cylindrical body 1 to which rollers 2 are attached on the inside of the brackets 3. In the upper part of the housing T, a steam removal system 4 is installed, in the lower part of the housing.

collectors 7. Heel lanes 8 welded to collectors 7 serve to move collectors along them. The nozzles 9 are connected to the collectors 7 by means of flexible elements 10 such as bellows. Each collector 7c with a nozzle 9 is equipped with a rigid serpentine guide 11 attached to the housing 1 with a jumper 12 and a tie 13. Jumper 12.c

lower parts are interconnected, and in

the upper - with the housing 1. The pipe 6 of the collectors 7 is connected to the rotation drive 14 by means of a chain gear 15, The pipe 6 is connected to the cooling fluid supply chamber 16. The cover 17 is installed in the upper part of the housing 1. In the cover 17 a hole is made for insertion into

the housing of the cooled article 18 by means of the suspension 19. The beams 20 serve to hold the suspension 19. ..

The upper 21 and lower 22 collectors are closed (ring type) and are interconnected by pipes 23 with a spiral multiple winding. The spirals are interconnected by jumpers 24.

, Product cooling device

; during hardening it works as follows.

. The cooled article 18 is lowered into

the housing 1 by means of a suspension 19, which rests on the beams 20. Turn on the drive 14

rotation that drives

pipe 6 with manifolds 7 and nozzles 9, then

turn on the supply of cooler which of

cameras 16 enters the collector system

to nozzles and to the product to be cooled. During the rotation of the collector, the nozzles move along fixed serpentine

guides 11 and do as verti-.

kalny moving with collectors and

horizontal along serpentine guides. Thus, the coolant jets are forced to uniformly wash the entire surface of the product, and a rotating vortex is created around the product: the flow of coolant, which contributes to more

Claims (1)

uniform cooling of the product. Vapors are removed through a steam removal system 4. SUMMARY OF THE INVENTION A device for cooling products during quenching, comprising a housing, a cooling system and a drive, as well as the fact that, in order to increase the uniformity of cooling products, the cooling system is made in the form of multi-spiral spiral rigidly interconnected Rings are mounted rotatably, each collector is a wavy guide, and nozzles on the collectors with the possibility of collectors with nozzles, while collectors 5 rooms along these guides. The axles are mounted with the possibility of axial rotation, each collector is made with a wavy guide, and the nozzles are mounted on the collectors with the possibility of transition