CN202238898U

CN202238898U - Deflector roller cooling water circulating device for casting and rolling machine

Info

Publication number: CN202238898U
Application number: CN2011203367391U
Authority: CN
Inventors: 冯彦海; 王诚诚
Original assignee: JIANGSU XINHUANG ALUMINUM DEVELOPMENT Co Ltd
Current assignee: JIANGSU XINHUANG ALUMINUM DEVELOPMENT Co Ltd
Priority date: 2011-09-08
Filing date: 2011-09-08
Publication date: 2012-05-30
Anticipated expiration: 2021-09-08

Abstract

The utility model discloses a deflector roller cooling water circulating device for a casting and rolling machine. The deflector roller cooling water circulating device comprises a hollow guide roller, a hollow spindle head connected to the front end of the guide roller, and a solid spindle head connected to the back end of the hollow guide roller, wherein the hollow spindle head is provided with a bidirectional rotary joint which is provided with a water inlet and a water return port; an inner cylinder of which the two ends are fixed with cover plates is arranged in the hollow guide roller; the cover plates are fixed on the inner wall of the hollow guide roller; a gap I is formed between the inner cylinder and the hollow guide roller; a gap II is formed between the front cover plate and the hollow spindle head; a gap III is formed between the back cover plate and the solid spindle head; the gap II is communicated with a water outlet channel; the cover plates are provided with through holes at the periphery; a hollow roller core is fixed between the two cover plates, and passes through the inner cylinder; and two ends of the hollow roller core are communicated with a seal pipe and the gap III. By the device, cooling water can be fully contacted with the inner wall of the hollow guide roller, an ideal cooling effect is achieved, the surface quality of aluminum plates and strips is ensured, the rejection rate of products is reduced, and the economic benefit of enterprises is improved.

Description

Casting and rolling machine rectification roll cooling water circulating device

Technical field

The utility model relates to a kind of mechanical device, specifically designs casting and rolling machine rectification roll cooling water circulating device.

Background technology

Existing rectification roll cooling water recirculation system; Cooling water directly feeds hollow deflector roll inside by roller core; Cooling water recirculation system is chaotic, near the coolant water temperature of roller core and near the coolant water temperature formation temperature gradient the hollow deflector roll inwall, can not reach desirable cooling effect; Influence the finished product rate, cause the rising of production cost.

Summary of the invention

In order to address the above problem; The utility model provides a kind of casting and rolling machine rectification roll cooling water circulating device; Can effectively solve existing rectification roll cooling water recirculation system appearance temperature gradient in the process that feeds cooling water; Can not reach desirable cooling effect, thereby the roll banding phenomenon occur when the aluminium sheet band occurring through rectification roll, influence production efficiency and finished product rate problem.

The utility model is realized through following technical scheme: a kind of casting and rolling machine rectification roll cooling water circulating device comprises hollow deflector roll, hollow shaft head, solid spindle nose; Said hollow shaft head is connected the front end of hollow deflector roll; Described solid spindle nose is connected the rear end of hollow deflector roll; Two-way swivel joint is installed on described hollow shaft head; On the described two-way swivel joint water inlet and water return outlet are arranged; Described water inlet is connected with the sealed tube that links with hollow deflector roll inside; Between described sealed tube and the described hollow shaft head exhalant canal is arranged; Described exhalant canal and water return outlet link; In said hollow deflector roll, inner core is arranged; The front end of said inner core is fixed with front shroud, and the rear end of inner core is fixed with back shroud; Described front shroud and back shroud are fixed on the inwall of hollow deflector roll; Gapped I between inner core and the described hollow deflector roll; Gapped II between said front shroud and the said hollow shaft head; Gapped III between said back shroud and the solid spindle nose; Described gap II and exhalant canal link, and form backwater channel; Described front shroud and back shroud circumferentially be distributed with the through hole that links with described gap I, gap II, gap III; Be fixed with the roller core of hollow between described front shroud and the back shroud; Said roller core runs through the inside of inner core, and the two ends of roller core link with described sealed tube and described gap III respectively; Form the water proof chamber of sealing between described inner core, roller core, front shroud and the back shroud.

The good effect of the utility model is: rational in infrastructure, be easy to realize, and overcome the defective of appearance temperature gradient, reach desirable cooling effect, guarantee the surface quality of aluminium sheet band, reduced the percent defective of product, improved economic benefit of enterprises.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

Fig. 1 is the utility model structural representation;

Fig. 2 is original casting and rolling machine rectification roll cooling water circulating device structural representation;

Fig. 3 is the A-A cutaway view of Fig. 1.

Among the figure: 1, two-way swivel joint, 1-1, water inlet, 1-2, water return outlet, 2, hollow shaft head; 2-1, exhalant canal, 3, front shroud, 4, hollow deflector roll, 5, inner core; 6, roller core, 7, back shroud, 8, solid spindle nose, 9, sealed tube; 10, through hole, a, gap I, b, gap II, c, gap III.

The specific embodiment

As shown in Figure 1, a kind of casting and rolling machine rectification roll cooling water circulating device comprises hollow deflector roll 4, hollow shaft head 2, solid spindle nose 8; Said hollow shaft head 2 is connected the front end of hollow deflector roll 4; Described solid spindle nose 8 is connected the rear end of hollow deflector roll 4; Two-way swivel joint 1 is installed on described hollow shaft head 2; Water inlet 1-1 and water return outlet 1-2 are arranged on the described two-way swivel joint 1; Described water inlet 1-1 is connected with the sealed tube 9 that links with hollow deflector roll 4 inside; Between described sealed tube 9 and the described hollow shaft head 2 exhalant canal 2-1 is arranged; Described exhalant canal 2-1 and water return outlet 1-2 link; In said hollow deflector roll 4, inner core 5 is arranged; The front end of said inner core 5 is fixed with front shroud 3, and the rear end of inner core 5 is fixed with back shroud 7; Described front shroud 3 and back shroud 7 are fixed on the inwall of hollow deflector roll 4; Gapped I a between inner core 5 and the described hollow deflector roll 4; Gapped II b between said front shroud 3 and the said hollow shaft head 2; Gapped III c between said back shroud 7 and the solid spindle nose 8; Described gap II b and exhalant canal 2-1 link, and form backwater channel; Described front shroud 3 and back shroud 7 circumferentially be distributed with the through hole 10 that links with described gap I a, gap II b, gap III c; Be fixed with the roller core 6 of hollow between described front shroud 3 and the back shroud 7; Said roller core 6 runs through the inside of inner core 5, and the two ends of roller core 6 link with described sealed tube 9 and described gap III c respectively; Form the water proof chamber of sealing between described inner core 5, roller core 6, front shroud 3 and the back shroud 7.

During work, cooling water gets into sealed tube 9 by the water inlet 1-1 on the two-way swivel joint 1 and flows into roller core 6, the gap III c that flows through successively then, gap I a, gap II b, and the exhalant canal 2-1 that flows through at last flows to water return outlet 1-2.The utility model is rational in infrastructure, is easy to realize, can cooling water fully be contacted with hollow deflector roll 4 inwalls; Overcome the defective of appearance temperature gradient, reached desirable cooling effect, guaranteed the surface quality of aluminium sheet band; Reduce the percent defective of product, improved economic benefit of enterprises.

Claims

1. a casting and rolling machine rectification roll cooling water circulating device comprises hollow deflector roll (4), hollow shaft head (2), solid spindle nose (8); Said hollow shaft head (2) is connected the front end of hollow deflector roll (4); Described solid spindle nose (8) is connected the rear end of hollow deflector roll (4); Two-way swivel joint (1) is installed on described hollow shaft head (2); Water inlet (1-1) and water return outlet (1-2) are arranged on the described two-way swivel joint (1); Described water inlet (1-1) is connected with the sealed tube (9) that links with hollow deflector roll (4) inside; Between described sealed tube (9) and the described hollow shaft head (2) exhalant canal (2-1) is arranged; Described exhalant canal (2-1) links with water return outlet (1-2); It is characterized in that: inner core (5) is arranged in said hollow deflector roll (4); The front end of said inner core (5) is fixed with front shroud (3), and the rear end of inner core (5) is fixed with back shroud (7); Described front shroud (3) and back shroud (7) are fixed on the inwall of hollow deflector roll (4); Gapped I (a) between inner core (5) and the described hollow deflector roll (4); Gapped II (b) between said front shroud (3) and the said hollow shaft head (2); Gapped III (c) between said back shroud (7) and the solid spindle nose (8); Described gap II (b) links with exhalant canal (2-1), forms backwater channel; Described front shroud (3) and back shroud (7) circumferentially be distributed with the through hole (10) that links with described gap I (a), gap II (b), gap III (c); Be fixed with the roller core (6) of hollow between described front shroud (3) and the back shroud (7); Said roller core (6) runs through the inside of inner core (5), and the two ends of roller core (6) link with described sealed tube (9) and described gap III (c) respectively; Form the water proof chamber of sealing between described inner core (5), roller core (6), front shroud (3) and the back shroud (7).