CN1748906A

CN1748906A - Oxygen-free copper belt blank producing device

Info

Publication number: CN1748906A
Application number: CN 200510104268
Authority: CN
Inventors: 刘瑞; 王瑞华; 于伟丽; 钟西存; 郑毅
Original assignee: 刘瑞
Priority date: 2005-10-08
Filing date: 2005-10-08
Publication date: 2006-03-22
Anticipated expiration: 2025-10-08
Also published as: CN1307015C

Abstract

The oxygen-free copper belt blank producing apparatus consists of smelting and heat insulting furnace, crystallizer, idle rollers, ternary cooler, tractor, hydraulic shear and winding machine. One directly connected secondary cooler is set in the outlet of the crystallizer; the smelting and heat insulting furnace includes integrated smelting furnace, heat insulating furnace and refining furnace in between; the tractor has upper pressing roller with length equal to or slightly smaller than that of the drawing roller; and the depressing oil cylinder is connected to the ends of the upper pressing roller. The present invention produces oxygen-free copper belt blank by means of horizontal continuous casting process, and has simple production apparatus, no contact between molten copper and air, no oxygen in the copper belt blank, low cost and high efficiency.

Description

A kind of oxygen-free copper belt blank producing device

One, technical field

The invention belongs to the metallic copper processing technique field, especially relate to a kind of oxygen-free copper belt blank producing device.

Two, background technology

The device of existing horizontal casting production of copper made-up belt, because in its melting, the transfer process at copper, seal bad, copper liquid can be subjected to airborne oxygen and hydrogen, has had a strong impact on the quality of strand, and hyperoxic copper material conductance descends, hydrogen can cause defectives such as copper material underbead crack, can not produce qualified oxygen-free copper belt blank, the existing equipment of producing oxygen-free copper is put and can be produced non-oxygen copper bar, can't produce oxygen-free copper belt blank.

Three, summary of the invention

The objective of the invention is to improve the deficiency of prior art and provide a kind of and adopt that the horizontal casting method is produced oxygen-free copper belt blank, equipment is simple, copper water does not contact with air, the copper strips base reaches the oxygen-free copper belt blank producing device that oxygen-free copper requires, production cost is low, efficient is high.

The object of the present invention is achieved like this, a kind of oxygen-free copper belt blank producing device, cut with coiler and form by melting ﹠ holding furnace, crystallizer, dragging roller, No. three coolers, hauling machine, hydraulic pressure, be characterized in being provided with the direct connection recoler in the exit of crystallizer.

In order further to realize purpose of the present invention, can be that melting ﹠ holding furnace is to be provided with refining furnace between smelting furnace and holding furnace, three stoves become one, and the undercurrent groove by the bottom between smelting furnace and refining furnace, refining furnace and holding furnace is communicated with, and smelting furnace and holding furnace bottom are provided with inductor.

In order further to realize purpose of the present invention, can be that inductor is that dicyclo channel and cross section are square.

In order further to realize purpose of the present invention, can be on the grate of melting ﹠ holding furnace, to be fixed with oil cylinder, body of heater is provided with rotating shaft.

In order further to realize purpose of the present invention, can be that described hauling machine is made up of last pressure roller, depress oil cylinder, carry-over pinch rolls, reductor and motor, the length of last pressure roller is equal to or slightly less than the length of carry-over pinch rolls, and depress oil cylinder connects the two ends of going up pressure roller.

In order further to realize purpose of the present invention, can be that every carry-over pinch rolls all rotate by reductor and a motor connecting shaft.

In order further to realize purpose of the present invention, can be that carry-over pinch rolls are connected by no gap shaft coupling with the between centers of motor with reductor, reductor, no gap shaft coupling is an expansion set socket diaxon, expansion set is provided with the expansion set screw.

Compared with the prior art the present invention has following distinguishing feature and good effect:

1, inductor adopts dicyclo channel spray pattern structure, the efficient height, and temperature homogeneity is good, and power can be accomplished 800KW, makes the width of cast made-up belt: single current 750mm, double-current 450mm.

2, body of heater is a three-cavity structure, is made up of melt chamber, intermediate cavity, incubation cavity.Copper water leaves standstill refining in intermediate cavity, and scum silica frost is removed, and makes the copper water uniformity that enters incubation cavity.This furnace type structure closure is good, and copper water does not contact with air, makes the copper strips base oxygen content of pulling out reach the requirement of oxygen-free copper.

3, adopted hydraulic pressure to play furnace apparatus, stove is under the hydraulic cylinder effect, and the turndown angle can reach more than 50 degree, so that crystallizer is installed or when cupola drop, unnecessary copper water is poured out.

4, crystallizer adopts the water seal protection, and promptly at crystallizer outlet direct connection recoler, recoler forms high temperature water smoke at copper strip surface, reaches cooling copper strips base surface and anti-oxidation.

5, hauling machine adopts two AC servo machinery driving, adopts keylessly between motor, harmonic wave speed reducing machine, the driven roller, and whole transmission is very close to each other, and the transmission accuracy of hauling machine is reached more than 0.01.

Four, description of drawings

Below in conjunction with drawings and Examples the present invention is described in further detail.

Fig. 1 is a kind of structural representation of the present invention.

Fig. 2 is a direct connection recoler structural representation.

Fig. 3 is the structural representation of melting ﹠ holding furnace.

Fig. 4 is the inductor structural representation.

Fig. 5 is the another kind of structural representation of melting ﹠ holding furnace.

Fig. 6 is the structural representation of hauling machine.

Fig. 7 is the another kind of structural representation of hauling machine.

Fig. 8 is a shaft coupling expansion set structural representation.

Five, specific embodiments

Embodiment 1, a kind of oxygen-free copper belt blank producing device, with reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, be by melting ﹠ holding furnace 1, crystallizer 2, dragging roller 4, No. three coolers 5, hauling machine 6, hydraulic pressure cut 7 and coiler 8 connect to form successively, be provided with direct connection recoler 3 in the exit of crystallizer 2, melting ﹠ holding furnace 1 is that smelting

furnace

9 and 10 of holding furnaces are provided with refining furnace 11, three stoves become one, smelting furnace 9 and refining

furnace

11,10 undercurrent grooves 12 by the bottom of refining furnace 11 and holding furnace are communicated with, the import of undercurrent groove 12 is lower than outlet, smelting furnace 9 and holding furnace 10 bottoms are provided with inductor 13, inductor 13 is that dicyclo channel and cross section are square, on the grate 14 of melting ﹠ holding furnace 1, be fixed with oil cylinder 15, body of heater is provided with rotating shaft 16, hauling machine 6 is by last pressure roller 17, depress oil cylinder 18, carry-over pinch rolls 19, reductor 20 and motor 21 are formed, the length of last pressure roller 17 is equal to or slightly less than the length of carry-over pinch rolls 19, depress oil cylinder 18 connects the two ends of going up pressure roller 17, every carry-over pinch rolls 19 all pass through reductor 20 and motor 21 a connecting shafts rotation, carry-over pinch rolls 19 and reductor 20, reductor 20 is connected by no gap shaft coupling 22 with the between centers of motor 21, no gap shaft coupling 22 is expansion set 23 socket diaxons, expansion set 23 is provided with expansion set screw 24, other equipment crystallizers 2, dragging roller 4, No. three coolers 5, hydraulic pressure cut 7 and coiler 8 adopt that equipment gets final product on the existing level continuous castings.

Use when of the present invention; the melt chamber 9 that tough cathode and bright copper is added in proportion melting and heat preservation stove 1; the copper water of fusing enters through undercurrent groove 12 and leaves standstill refining chamber 11; impurity and smelting slag are from removing here; copper water enters incubation cavity 10 through undercurrent groove 12 then; copper water is held uniform temperature here; fusing; refining; during insulation; to in stove, add certain thickness coverture; add protective gas in case of necessity; prevent that air from entering in the copper water; holding furnace 10 fire doors are equipped with the crystallizer 4 of band direct connection recoler 3; copper liquid is in crystallizer 4 intercrystalline moulding; be pulled machine 6 and pull straight the slab that forms required form; the direct connection recoler 3 that be equipped with in crystallizer 4 exits; to prevent the made-up belt surface oxidation; the pulling out of made-up belt realized by hauling machine 6 earlier; hauling machine 6 draws; stop, anti-time that pushes away and speed are continuously adjustable, can be according to the specification difference; the surface quality situation; determine bestly to draw parameter, and in time adjust, made-up belt goes out hauling machine 6 backs and cuts 7 by hydraulic pressure and enter coiler 8; the length of made-up belt is measured by detecting element; when length reaches when setting value, send signal, hydraulic pressure is cut 7 made-up belt is cut off; coiler 8 adopts ac motor speed control by variable frequency to drive; can on guide rail, move front and back, travel switch after coiler 8 is run into, reel-motor starts; the beginning clot; the front travel switch is run in coiler 8 reaches, and motor quits work, and made-up belt promotes to move behind the coiler; reciprocal like this, made-up belt is broken into volume.

Claims

1, a kind of oxygen-free copper belt blank producing device, cut (7) and coiler (8) is formed by melting ﹠ holding furnace (1), crystallizer (2), dragging roller (4), No. three coolers (5), hauling machine (6), hydraulic pressure, it is characterized in that being provided with direct connection recoler (3) in the exit of crystallizer (2).

2, a kind of oxygen-free copper belt blank producing device according to claim 1, it is characterized in that melting ﹠ holding furnace (1) is to be provided with refining furnace (11) between smelting furnace (9) and holding furnace (10), three stoves become one, undercurrent groove (12) by the bottom between smelting furnace (9) and refining furnace (11), refining furnace (11) and holding furnace (10) is communicated with, and smelting furnace (9) and holding furnace (10) bottom are provided with inductor (13).

3, a kind of oxygen-free copper belt blank producing device according to claim 2 is characterized in that inductor (13) is that dicyclo channel and cross section are square.

4, a kind of oxygen-free copper belt blank producing device according to claim 2 is characterized in that being fixed with oil cylinder (15) on the grate (14) of melting ﹠ holding furnace (1), and body of heater is provided with rotating shaft (16).

5, a kind of oxygen-free copper belt blank producing device according to claim 1, it is characterized in that described hauling machine (6) is made up of last pressure roller (17), depress oil cylinder (18), carry-over pinch rolls (19), reductor (20) and motor (21), the length of last pressure roller (17) is equal to or slightly less than the length of carry-over pinch rolls (19), the two ends of pressure roller (17) in depress oil cylinder (18) connection.

6, a kind of oxygen-free copper belt blank producing device according to claim 5 is characterized in that every carry-over pinch rolls (19) all pass through reductor (20) and rotate with a motor (21) connecting shaft.

7, a kind of oxygen-free copper belt blank producing device according to claim 6, it is characterized in that carry-over pinch rolls (19) are connected by no gap shaft coupling (22) with the between centers of motor (21) with reductor (20), reductor (20), no gap shaft coupling (22) is expansion set (a 23) socket diaxon, and expansion set (23) is provided with expansion set screw (24).