CN2203907Y - Metal-working equipment for mfg. integral supporting ring ear shaft of revolving furnace - Google Patents

Abstract

The utility model discloses processing equipment for an integral supporting ring ear shaft of a revolving furnace, which is mainly composed of a fixed support with a clamp claw, a feed rod used as a guide, a leading screw and a gear transmission device thereof, a walking knife holder in which a big gear ring is arranged, and a knife holder, wherein, the gear transmission device and the big gear ring are all driven by an electric motor. When processing, the fixed support is sheathed on an ear shaft. The clamp claw is used for clamping, when the both end correction shows that the rotating center of the knife holder is coincident with the shaft line of the ear shaft, the cutting processing can be carried out. The utility model can carry out the turning processing to the end face of an axle shaft, a column surface, a circular surface, and a taper surface. The ear shaft is in static immobilization in the process. When a lathe tool is changed into a roller, the utility model can carry out rolling to the surface of the ear shaft.

Description

Metal-working equipment for mfg. integral supporting ring ear shaft of revolving furnace

The utility model relates to a kind of converter integral ring gudgeon processing units, and the gudgeon that is mainly used in the steel-making converter integral ring cuts and rolling and processing, also can be used for the processing of other similar workpiece.

Modern steel-making converter adopts flexible torsion bar buffer transmission of integral and recirculated water cooling backing ring, promptly requires the right alignment height of two gudgeons, requires to reduce trim again as far as possible and does not leak to guarantee recirculated water.Backing ring and gudgeon integral solder are carried out the accurately machined monoblock type backing ring of gudgeon after good again, are a kind of comparison rational structure that can satisfy above-mentioned requirements.But huge backing ring makes the existing machine tool of its gudgeon between two gudgeons, and both having made is that heavy duty machine tools processing is also very difficult.Therefore, at present backing rings that adopt assembled structure weld backing ring earlier more, bore the gudgeon open holes then on backing ring, again the good gudgeon of precision work is press-fitted or the gudgeon open holes of hot charging to the backing ring in, and with gudgeon and backing ring by the coupling flange bolting.Outside the deficiency that the backing ring of this splicing structure exists be: the gudgeon open holes on the backing ring has deviation slightly, and very big deviation will appear in gudgeon, can not guarantee the right alignment of two gudgeons; The equipped place of gudgeon and backing ring poor sealing performance very easily causes water coolant to leak; Machining must be finished in manufactory, and the volume of backing ring, weight are very big, makes by manufactory very difficult to the transportation of steelworks.

The purpose of this utility model is to provide a kind of converter integral ring gudgeon processing units, obtains the monoblock type backing ring, and splicing structure ring trunnion right alignment is difficult for guaranteeing in the prior art to solve, problems such as water coolant leakage and transportation difficulty.

The purpose of this utility model can realize by following measure: the fixed support that two centres are circular hole is supporting three rhizoid thick sticks and three feed rods of alternate layout, and fixed support can move axially to adjust the distance between them.The annular feed support is sleeved on the feed rod and is slidingly matched with it between two fixing framves, and cooperates with leading screw by the nut that is connected thereon.The endoporus coaxial line of two fixed supports and feed support.Be equipped with by motor-driven wheel gearing one support bracket fastened outer end, makes three rhizoid thick sticks rotate the drive feed support synchronously and do axial motion.One external tooth bull gear is housed in the feed support, drives the bull gear rotation by the pinion(gear) that is contained on its output shaft, make to be fixed on the bull gear and make circumferential motion in order to the knife rest of radially feed, withdrawing by motor.But the claw of three independent control is housed on each fixed support, constitutes two thread jaw chucks with fixed support, claw promptly may be stuck on the outside surface of gudgeon, also may be stuck on the endoporus of gudgeon.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

Fig. 1 is the structural representation of the utility model converter integral ring gudgeon processing units.

Fig. 2 is the A-A sectional view of Fig. 1.

Fig. 3 is the B-B sectional view of Fig. 1.

Fig. 4 is the C-C sectional view of Fig. 3.

Fig. 5 is that the D of Fig. 1 is to enlarged view.

Fig. 6 waits the monoblock type backing ring that adopts the utility model converter integral ring gudgeon processing units that gudgeon is processed.

Fig. 1-4 shows the structure of the utility model converter integral ring gudgeon processing units.The annular fixed support 1 that two centres are circular hole is supporting and alternately is being arranged on its same circumference and equally distributed three rhizoid thick sticks 3 and three feed rods 4.The fixed support 1 on right side can move axially, to adjust the distance between two fixed supports 1.Annular feed support 2 is sleeved on three polished rods 4 and is slidingly matched with it, and cooperate with screw mandrel 3 by the copper sheathing nut 18 that is connected thereon between two fixed supports 1.Two fixed supports 1, the endoporus coaxial line of feed support 2.A wheel gearing 6 by motor 5 drivings is equipped with in the outer end of the fixed support 1 on right side, its three transmitting gear 13 mounting supports are on fixed support 1, link to each other with three rhizoid thick sticks 3 respectively by key or any known structure, the motion of gear 13 is passed to leading screw 3.Motor 5 is installed on the fixed support 1, and the pinion(gear) 15 on its output shaft is meshed with a transmitting gear 13.Seven Sui's wheels 14 that are bearing on support 1 and the feed rod 4 are respectively arranged between three transmitting gears 13, in order to transmit motion, make three transmitting gears 13 drive three rhizoid thick sticks 3 and rotate synchronously, driving feed support 2 is that guide rod is done axial motion with feed rod 4.One external tooth bull gear 17 is housed in the feed support 2, is installed in motor 9 on the feed support 2 by being contained in the pinion(gear) 16 on its output shaft, drive bull gear 17 and rotate, make the knife rest 10 that is installed on the bull gear 17 make circumferential motion.Three claws 8 are housed on the endoporus of each fixed support 1, constitute two thread jaw chucks with fixed support 1.But each claw 8 independent control is to adjust the center that is installed of processed gudgeon 7.Claw 8 promptly may be stuck in the outside surface of gudgeon 7, also may be stuck on the endoporus of gudgeon 7.

Figure 5 shows that a kind of structure that handwheel 12 makes knife rest 10 automatic radially feeds, withdrawing that drives.Handwheel 12 upper edge one circumference evenly are provided with 2-9 spillikin 19, and a support 20 across handwheel 12 is set on the feed support 2.Close feed support 2 one sides at support 20 are adorned a dead man 21, make knife rest 10 whenever rotate a week with bull gear 17, dead man 21 is just stirred a spillikin 19 on the handwheel 12, handwheel promptly changes 1/2～1/9 and changes, with the change the outfit opposite side of support 20 of dead man 21, then stirring handwheel 12 backward rotation 1/2～1/9 changes, and makes knife rest 10 radially feed, withdrawing automatically in the course of processing with this.Manual handwheel 12 during without spillikin 19 and spike pulling 21 is finished radially feed, the withdrawing of knife rest 10.

Lathe tool 11 is contained on the knife rest 10.Motionless when leading screw 3, knife rest 10 is made circumferential motion with bull gear 17, and when driving handwheel 12 and making lathe tool 11 feeds, but the end of turning gudgeon 7 and; Lathe tool 11 is rotated an angle get final product lead angle.When leading screw 3 and bull gear 17 moves simultaneously, drive knife rest 10 is promptly made circumferential motion and is done axial motion again, but when not driving handwheel 12 feeds or withdrawing, but the cylindrical surface of turning gudgeon 7; If drive handwheel 12 this moment, make lathe tool 11 feeds or withdrawing, the circumferential motion of knife rest 10 and the radial motion of axial motion and lathe tool 11 are cooperated, but the turning arc surface or the conical surface.Gudgeon transfixion all the time in the processing.Change lathe tool 11 into roller, can carry out roll extrusion to gudgeon 7 surfaces, to improve working accuracy and smooth finish, the fatigue strength of gudgeon 7 also can improve simultaneously.

Figure 6 shows that the integral ring 22 of gudgeon to be processed.Integral solder forward trunnion 7 roughing, flaw detection, bore centre hole, weld then and carry out stress relief annealing.

Respectively adorn one in two gudgeons, 7 outer ends and look for a line bracket 26 and a cross thread gripping-board 25, the centre hole that wire 27 is passed pre-processed gudgeon 7 draws reference line.Reference line is on the medullary ray of backing ring 28 and gudgeon 7, and takes into account the chipping allowance of gudgeon 7.Find out four reference points 24 on same circle of vertical and horizontal then respectively by reference line at four section I, II, III, IV place.And then near near the non-machined surface V the backing ring 28, VI section, find out reference point 24 by the reference point 24 on these four sections.Long as gudgeon 7, for length, the raising working accuracy that shortens feed rod 4, can look for the reference point 24 on several sections more.These reference points 24 are exactly the foundation of tool setting centering when processing gudgeon 7.

Add man-hour, according to the length of gudgeon 7, adjust the distance between two fixed supports 1 earlier.Then, fixed support 1 is set on the gudgeon 7, and is installed with claw 8, the termination can snap on the endoporus of gudgeon 7 with three claws 8.The reference point of finding out to the layout line 24 utilizes the lathe tool 11 of making circumferential motion with knife rest 10, at the two ends centering, and adjusts claw 8 at any time, makes it concentric with gudgeon 7.The two ends centering shows promptly that later on the center of turning circle of knife rest 10 and gudgeon 7 axis coincide, and then can carry out machining.Long as gudgeon 7, can be by said process centering, processing piecemeal.

Adopt equipment precision work gudgeon of the present utility model, backing ring 28 can be merotomized and make, and finish the roughing of gudgeon 7 in manufactory, operations such as check, bore hole, transport to steel mill then and be welded into integral body, after eliminating internal stress, finish the precision work work of looking for reference point 24 and gudgeon 7 on the spot.

The advantage that the utility model compared with prior art has is: 1, simple, the small investment of device structure, realized satisfying the manufacturing of the monoblock type backing ring of modernized converter service behaviour. 2. the gudgeon axiality height that processes, by looking for two gudgeon coaxiality errors that datum mark obtains generally in 0.03～0.05 millimeter, error can be in 0.5～1 millimeter after the processing. Two bearings span with the processing of this equipment is the gudgeon of 20 tons of converter trunnion rings of 6570 millimeters, and its coaxiality error is less than 0.5 millimeter. 3. because the use of this equipment makes gudgeon and backing ring can be welded into integral body, thoroughly solved the cooling water leakage problem. 4. the use of this equipment can be merotomized backing ring and is transported to steel mill, has solved the transportation problem of mammoth conveter backing ring.

Claims (3)

1, a kind of converter integral ring gudgeon processing units, but it has leading screw, feed rod, feed support, driving the handwheel radially knife rest, the thread jaw chuck of each claw independent control of feed withdrawing, it is characterized in that: the fixed support [1] that two centres are circular hole is supporting three rhizoid thick sticks [3] and three feed rods [4] of alternate layout, and fixed support [1] can move axially to adjust the distance between them; Annular feed support [2] is positioned between two fixed supports [1], is sleeved on feed rod [4] and upward is slidingly matched with it, and cooperate with leading screw by the nut [18] that is connected thereon; Two fixed supports [1], the endoporus coaxial line of feed support [2]; The wheel gearing [6] that is driven by motor [5] is equipped with in the outer end of one fixed support [1], and three rhizoid thick sticks [3] are rotated synchronously; One external tooth bull gear [17] is housed in the feed support [2], drives bull gear [17] rotation by motor [9] by the pinion(gear) [16] that is contained on its output shaft, knife rest [10] is fixed on the bull gear [17]; Three claws [8] are housed on each fixed support [1], constitute two thread jaw chucks with fixed support [1].

2, equipment as claimed in claim 1, it is characterized in that described wheel gearing ［ 6 ］ is made up of transmitting gear ［ 13 ］, idle pulley ［ 14 ］ and pinion(gear) ［ 15 ］, transmitting gear ［ 13 ］ and coaxial linking to each other of leading screw ［ 3 ］ pass to leading screw ［ 3 ］ with the motion of gear ［ 13 ］; Pinion(gear) ［ 15 ］ is installed on the output shaft of motor ［ 5 ］ and meshes with a transmitting gear ［ 13 ］; Three groups of Sui's wheels ［ 14 ］ are distributed on and transmit motion between three transmitting gears ［ 13 ］, make three transmitting gears ［ 13 ］ rotation synchronously.

3, equipment as claimed in claim 1, it is characterized in that evenly being provided with 2-9 spillikin on the circumference of handwheel ［ 12 ］ of described knife rest ［ 10 ］, one frame support ［ 20 ］ across handwheel ［ 12 ］ diameter is set on the feed support ［ 2 ］, load onto dead man ［ 21 ］ in a side of support ［ 20 ］, make knife rest ［ 10 ］ whenever rotate a week with bull gear ［ 17 ］, dead man ［ 21 ］ is just stirred the spillikin ［ 19 ］ on the handwheel ［ 12 ］, handwheel ［ 12 ］ promptly turns over an angle, with the change the outfit opposite side of support ［ 20 ］ of dead man ［ 21 ］, then stir handwheel ［ 12 ］ backward rotation, make knife rest ［ 10 ］ radially feed automatically in the course of processing with this, withdrawing.

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