CN100469471C - Rough rolling vertical roller mill - Google Patents
Rough rolling vertical roller mill Download PDFInfo
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- CN100469471C CN100469471C CNB2007100591868A CN200710059186A CN100469471C CN 100469471 C CN100469471 C CN 100469471C CN B2007100591868 A CNB2007100591868 A CN B2007100591868A CN 200710059186 A CN200710059186 A CN 200710059186A CN 100469471 C CN100469471 C CN 100469471C
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Abstract
The invention relates to a rough rolling vertical milling caster is provided, wherein, the main transmission combination speed reducer is a whole structure, the output axle is two output gear axles arranged vertically, a main transmission motor is connected with the main transmission combine speed reducer by a shaft joint, the two output gear axles extending vertically under the main transmission combination speed reducer are connected with a cross universal spiale, a sleeve at the low end of the cross universal spiale is arranged on the roller platycephaly of a roller structure on a lead rail equipment, the two sides of the roller structure is connected with a side pressure screwdown equipment of a transmission bolt structure with direct current motor driving gear, a hydraulic pressure roll changing lifting device is arranged on a frame under the main transmission combination speed reducer, a side of the lead rail base equipment is arranged with a roll changing structure. The advantage of the invention is that: the invention improves the transmission rigidity and service life, which can meet the requirements of large torsion distance; the invention can realize quick roll changing, which shortens the online roll changing time greatly and improves work efficiency; the invention cooperates with a plain-barrel rolling machine, which can produce blank with different standard and lowers the process cost.
Description
Technical field
The invention belongs to the mechanical equipment of steel rolling technical field, particularly relate to hot rolling line roughing district, broadband split rolling method rough rolling vertical roller mill in a kind of being suitable for.
Background technology
At present, hot rolling line roughing blooming mill in broadband is generally 700-800 flat roll mills in being usually used in, because only use flat roll mill, there is not vertical miller to cooperate, roll into the finished product of different size according to different blanks, roll must be left corresponding pass, to adapt to used blank and be the suitable section bar of rear portion rolling process preparation, therefore along with the variation of middle broadband trimmed size, constantly change the roll of different passes.The shortcoming of above-mentioned milling train is: 1, need to prepare a lot of rolls that are fit to all size pass, although the specification dosage that has also will be equipped with less, certainly will cause roll to push away long-pending fund waste like this.2, the roll change in the existing milling equipment is online roll change, and roll change a lot of times of needs, so whole production line at every turn just need to stop production, and greatly reduce production efficiency.3, back and forth rolling as realizing plain-barreled roll, must be equipped with auxiliary equipment such as swing platform, increased the disposable apparatus input in roughing district.4, the main transmission reductor in the existing milling train adopts split umbrella gear box structure, by splined, so its transmission integral rigidity is poor, can't satisfy the high pulling torque delivery request in the middle of the pressured plate of two umbrella gear box is fixing.5, the side pressure lower device of milling train adopts and manually adjusts structure, and its shortcoming: a. manually is adjusted into artificial adjustment roll surface and therefore regulates the speed slow.B. manually adjustment can only be adjusted roll gap in stopped status, and the production status roll gap no longer changes, and therefore can't realize being with steel to depress.
Summary of the invention
The present invention is suitable for middle broadband hot rolling line roughing district's split rolling method and cooperates the rolling rough rolling vertical roller mill of adaptation all size blank with the two-roller reversible milling train for the technical problem that exists in the solution known technology provides a kind of.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is:
Rough rolling vertical roller mill, comprise: main driving motor, main transmission associating reductor, cross universal connects axle, frame, the track base assembling, the side pressure lower device, milling train mechanism and roll change shift-out mechanism, it is characterized in that: described main transmission associating reductor is an overall structure, its output shaft is two vertically arranged output gear shafts, described main driving motor connects main transmission associating reductor by shaft coupling, two output gear shafts that vertically stretch out main transmission associating reductor below connect axle by cross universal flange and sleeve and cross universal connect and spool are connected, cross universal connects the roll homalocephalus that a lower sleeve is mounted on the milling train mechanism of track base fit on, the milling train mechanism left and right sides connects the side pressure lower device that adopts DC motor drives and transmission nut structure respectively, be positioned on the frame of main transmission associating reductor below hydraulic pressure roll change lifting device is installed, track base assembles a side and is provided with the roll change shift-out mechanism.
The present invention can also adopt following technical scheme:
Input spiral bevel gear wheel shaft one end of described main transmission associating reductor connects the output shaft of main driving motor by shaft coupling, the other end connects passive spiral bevel gear, passive spiral bevel gear connects helical gear shaft by key, helical gear shaft and idler gear engagement, idler gear connects the output gear shaft I that driven gear I is installed on it by key, driven gear I engagement driven gear ∏, driven gear ∏ connects output gear shaft ∏, output gear shaft I and output gear shaft ∏ and housing plate be sealed into the magnetic seal structure.
Described hydraulic pressure roll change lifting device is installed in frame one side of main transmission associating reductor below by bearing, the bearing both arms are held the hydraulic cylinder fixed axis, the hydraulic stem bottom of hydraulic cylinder connects hoisting frame by hinge, and hoisting frame is inlaid in the chute that places frame one side by the hoisting frame sideskid.
The concrete structure of described side pressure lower device is: direct current generator is installed on the support, direct current generator connects idler gear by shaft coupling, idler gear engaged transmission gear, two travelling gears connect the side pressure screw rod by the hook-type feather key respectively, the side pressure screw rod is provided with the side pressure nut that is with it movingly, and the side pressure nut is packed on the bearing body of milling train mechanism; Side pressure screw rod one end is provided with rotary encoder, the arc surface of the other end and the slide block of bearing body are connected, balance hydraulic cylinder places two side pressure screw rod centre positions, and be connected with the frame of milling train mechanism, in side pressure lower device bottom the synchromesh gear that meshes with travelling gear is housed all, is connected with synchronising (connecting) rod between two synchromesh gears.
Described magnetic seal structure is fixed on the output gear axle head by pressure ring, and magnetic seal is the magnetic seal A and the magnetic seal B of upper and lower settings.
Advantage and good effect that the present invention has are: because side pressure lower device of the present invention adopts DC motor drives and transmission nut motion, transmission nut drives screw rod again and does straight reciprocating motion, realizes different openings degree rolling along the frame slide rail as traverse motion thereby can drive edger roll; Direct current generator drives under the side pressure, but the rapid adjustment roll gap so can finish the rolling of all size blank, need not to prepare the roll of all size pass, cuts down finished cost.Main transmission associating reductor is designed to whole body structure, its output gear adopts the spiral bevel gear wheel construction, to realize flat, the upright reallocation that transforms and transmit moment of torsion of drive path, so both improved transmission rigidity and service life, also can satisfy the high pulling torque delivery request simultaneously.Changing rig of the present invention adopts the hydraulic pressure changing rig, and cooperates the roll change shift-out mechanism can realize fast roll changing, has shortened online roll changing time greatly, need not whole production line and stops production, and effectively raises productivity ratio.The present invention cooperates with flat roll mill, and blank that can reciprocal rolling different size has not only been saved substantial contribution, and increased substantially production efficiency.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention;
Fig. 2 is that the K of Fig. 1 is to view;
Fig. 3 is a main transmission associating reductor internal structure schematic diagram of the present invention;
Fig. 4 is the I portion enlarged drawing of Fig. 3;
Fig. 5 is a roll change lifting device structural representation of the present invention;
Fig. 6 is that the K of Fig. 5 is to view;
Fig. 7 is a side pressure lower device structural representation of the present invention;
Fig. 8 is a roll change working state schematic representation of the present invention.
Among the figure: 1, main driving motor; 2, main transmission associating reductor; 2-1, input spiral bevel gear wheel shaft; 2-2, passive spiral bevel gear; 2-3, helical gear shaft; 2-4, idler gear; 2-5, driven gear I; 2-6, output gear shaft I; 2-7, driven gear ∏; 2-8, output gear shaft ∏; 2-9, casing; 2-10, magnetic seal; 2-11, pressure ring; 3, roll change lifting device; 3-1, bearing; 3-2, hydraulic cylinder; 3-3, chute; 3-4, hinge; 3-5, hoisting frame; 4, cross universal connects axle; 4-1, flange; 4-2, sleeve; 5, track base assembling; 6, side pressure lower device; 6-1, direct current generator; 6-2, shaft coupling; 6-3, rotary encoder; 6-4, idler gear; 6-5, travelling gear; 6-6, side pressure screw rod; 6-7, hook-type feather key; 6-8, side pressure nut; 6-9, bearing body and slide block; 6-10, balance hydraulic cylinder; 6-11, synchronising (connecting) rod; 6-12, positive coupling: 6-13, synchromesh gear; 7, milling train mechanism; 7-1, edger roll; 8, roll change shift-out mechanism; 8-1, bearing; 8-2, hydraulic cylinder; 8-3, cut somebody's hair; 9, frame.
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1-Fig. 2, rough rolling vertical roller mill, comprise: main driving motor 1, main transmission associating reductor 2, cross universal connects axle 4, frame 9, track base assembling 5, side pressure lower device 6, milling train mechanism 7 and roll change shift-out mechanism 8, described main transmission associating reductor is a whole body structure, its output shaft is two vertically arranged output gear shafts 2-6 and 2-8, described main driving motor 1 connects main transmission associating reductor 2 by shaft coupling, two output gear shafts that vertically stretch out main transmission associating reductor below connect axle 4 by cross universal flange 4-1 and sleeve 4-2 and cross universal connect and spool are connected, cross universal connects the roll homalocephalus that a lower sleeve is mounted on the milling train mechanism 7 in the track base assembling 5, the milling train mechanism left and right sides connects the side pressure lower device 6 that adopts DC motor drives and transmission nut structure respectively, be positioned on the frame 9 of main transmission associating reductor below hydraulic pressure roll change lifting device 3 is installed, track base assembles a side and is connected with roll change shift-out mechanism 8.
See also Fig. 3 and Fig. 4, input spiral bevel gear wheel shaft 2-1 one end of described main transmission associating reductor 2 connects the output shaft of main driving motor 1 by shaft coupling, the other end connects passive spiral bevel gear 2-2, passive spiral bevel gear connects helical gear shaft 2-3 by key, helical gear shaft and idler gear 2-4 engagements, idler gear connects the output gear shaft I2-6 that driven gear I2-5 is installed on it by key, driven gear I engagement driven gear ∏ 2-7, driven gear ∏ connects output gear shaft ∏ 2-8, and magnetic seal 2-10 is adopted in the sealing of output gear shaft I and output gear shaft ∏ and casing 2-9 end caps.This magnetic seal structure 2-10 is fixed on output gear shaft 2-6 and 2-8 ends by pressure ring 2-11, and magnetic seal is the magnetic seal A and the magnetic seal B of upper and lower settings.Output gear shaft 2-6 and 2-8 drives magnetic seal A and rotates, magnetic seal B is motionless, and magnetic seal A and magnetic seal B fit tightly by magnetic force, and two magnetic seals had not only relatively rotated but also do not produced the gap, thereby realize good sealing, prevent leakage of oil between output gear shaft and the casing.
See also Fig. 5 and Fig. 6, described hydraulic pressure roll change lifting device 3 is installed in frame 9 one sides of main transmission associating reductor 2 belows by bearing 3-1, the bearing both arms are held the hydraulic cylinder fixed axis, the hydraulic stem bottom of hydraulic cylinder 3-2 connects hoisting frame 3-5 by hinge 3-4, and hoisting frame is inlaid in the chute 3-3 that places frame one side by the hoisting frame sideskid.
See also Fig. 7, the concrete structure of described side pressure lower device 6 is: direct current generator 6-1 is installed on the support, direct current generator connects idler gear 6-4 by shaft coupling 6-2, idler gear is engaged transmission gear 6-5 respectively, two travelling gears connect side pressure screw rod 6-6 by hook-type feather key 6-7 respectively, here the pitch of side pressure screw rod is elected 16mm as, is equipped with the side pressure nut 6-8 that is with it movingly on the side pressure screw rod, and the side pressure nut is packed on the bearing body of milling train mechanism; Side pressure screw rod one end is provided with rotary encoder 6-3, and arc surface of the other end and bearing body and slide block 6-9 are connected, and is provided with balance hydraulic cylinder 6-10 in two side pressure screw rod centre positions, and is connected with milling train mechanism 7 mid frames; The main effect of balance hydraulic cylinder is to eliminate crack between the kinematic pair.The synchromesh gear 6-13 that meshes with travelling gear all is housed in side pressure lower device bottom, between two synchromesh gears, connect synchronising (connecting) rod 6-11 by positive coupling 6-12, can realize that like this side pressure lower device that is positioned at milling train mechanism two ends is synchronized with the movement, wherein rotary encoder is a Stroke Control.
Fig. 1 is a rough rolling vertical roller mill overall structure schematic diagram of the present invention, and its groundwork state is two drive paths:
Article one, drive path, (even drive path that the edger roll roll rotates)
Main driving motor 1 will rotatablely move and pass to the input spiral bevel gear wheel shaft 2-1 of main transmission associating reductor 2 by shaft coupling, input spiral bevel gear wheel shaft is passed to passive spiral bevel gear 2-2, thereby driving helical gear shaft 2-3 rotates, helical gear shaft drives output gear shaft 2-6 by idler gear 2-4 and rotates, the driven gear 2-5 that is fixed on the output gear shaft 2-6 also rotates simultaneously, and drive output gear shafts 2-8 by driven gear 2-7 and rotate, and then realize flat, the upright reallocation that transforms and transmit moment of torsion of drive path with output gear shaft 2-6 engagement.Main transmission associating reductor slows down through inside, pass to cross universal by vertical with the main driving motor axle two output gear shafts 2-6 and 2-8 and connect axle 4, cross universal connects a top by being provided with the sleeve of keyway in it, the bottom is by being provided with the sleeve of homalocephalus in it, pass to the edger roll 7-1 in the milling train mechanism with rotatablely moving, make the edger roll motion finish rolling.
The second drive path, (can make the relative rolling centerline of edger roll roll make to open and close the drive path of motion)
The direct current generator 6-1 of side pressure lower device is passed to idler gear 6-4 by shaft coupling 6-2, and idler gear is passed to side pressure screw rod 6-6 and rotated by travelling gear 6-5, hook-type feather key 6-7.Because the side pressure nut 6-8 that is mated is fixing with milling train mechanism 7, then the side pressure screw rod is done straight reciprocating motion again in the while that rotatablely moves, and drives bearing body and slide block 6-9 motions, makes edger roll realize straight reciprocating motion.
Fig. 8 is a roll change working state schematic representation of the present invention.When the roll change lifting device 3 hydraulic cylinder cylinder bars of this rough rolling vertical roller mill stretched out, hoisting frame was in extreme lower position, and milling train is in running order; When rough rolling vertical roller mill needed roll change, hydraulic cylinder cylinder bar shrank, and drove hoisting frame 3-5 and rose, and hoisting frame drives cross universal and connects axle 4 head portion and rise, and broke away from the homalocephalus of edger roll 7-1, was in the roll change state.Two bearings 8-1 of roll change shift-out mechanism 8 are fixed on the basis, and the hydraulic cylinder 8-2 that drives milling train mechanism is installed on the bearing, are equipped with at the head of hydraulic cylinder and cut somebody's hair 8-3.When hydraulic cylinder cylinder bar shrank, milling train mechanism was on the rolling centerline, and be duty this moment.When the hydraulic cylinder lever stretched out, milling train mechanism moved along the slide rail of track base assembling 5 and leaves rolling centerline, to the outer roll change of line.
Claims (5)
1. rough rolling vertical roller mill, comprise: main driving motor, main transmission associating reductor, cross universal connects axle, frame, the track base assembling, the side pressure lower device, milling train mechanism and roll change shift-out mechanism, it is characterized in that: described main transmission associating reductor is an overall structure, its output shaft is two vertically arranged output gear shafts, described main driving motor connects main transmission associating reductor by shaft coupling, two output gear shafts that vertically stretch out main transmission associating reductor below connect axle by cross universal flange and sleeve and cross universal connect and spool are connected, cross universal connects the roll homalocephalus that a lower sleeve is mounted on the milling train mechanism of track base fit on, the milling train mechanism left and right sides connects the side pressure lower device that adopts DC motor drives and transmission nut structure respectively, be positioned on the frame of main transmission associating reductor below hydraulic pressure roll change lifting device is installed, track base assembles a side and is provided with the roll change shift-out mechanism.
2. rough rolling vertical roller mill according to claim 1, it is characterized in that: input spiral bevel gear wheel shaft one end of described main transmission associating reductor connects the output shaft of main driving motor by shaft coupling, the other end connects passive spiral bevel gear, passive spiral bevel gear connects helical gear shaft by key, helical gear shaft and idler gear engagement, idler gear connects the output gear shaft I that driven gear I is installed on it by key, driven gear I engagement driven gear ∏, driven gear ∏ connects output gear shaft ∏, output gear shaft I and output gear shaft ∏ and housing plate be sealed into the magnetic seal structure.
3. rough rolling vertical roller mill according to claim 1, it is characterized in that: described hydraulic pressure roll change lifting device is installed in frame one side of main transmission associating reductor below by bearing, the bearing both arms are held the hydraulic cylinder fixed axis, the hydraulic stem bottom of hydraulic cylinder connects hoisting frame by hinge, and hoisting frame is inlaid in the chute that places frame one side by the hoisting frame sideskid.
4. rough rolling vertical roller mill according to claim 1, it is characterized in that: the concrete structure of described side pressure lower device is: direct current generator is installed on the support, direct current generator connects idler gear by shaft coupling, idler gear engaged transmission gear, two travelling gears connect the side pressure screw rod by the hook-type feather key respectively, the side pressure screw rod is provided with the side pressure nut that is with it movingly, and the side pressure nut is packed on the bearing body of milling train mechanism; Side pressure screw rod one end is provided with rotary encoder, the arc surface of the other end and the slide block of bearing body are connected, balance hydraulic cylinder places two side pressure screw rod centre positions, and be connected with the frame of milling train mechanism, in side pressure lower device bottom the synchromesh gear that meshes with travelling gear is housed all, is connected with synchronising (connecting) rod between two synchromesh gears.
5. rough rolling vertical roller mill according to claim 2 is characterized in that: described magnetic seal structure is fixed on the output gear axle head by pressure ring, and magnetic seal is the magnetic seal A and the magnetic seal B of upper and lower settings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100591868A CN100469471C (en) | 2007-08-22 | 2007-08-22 | Rough rolling vertical roller mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100591868A CN100469471C (en) | 2007-08-22 | 2007-08-22 | Rough rolling vertical roller mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101108395A CN101108395A (en) | 2008-01-23 |
| CN100469471C true CN100469471C (en) | 2009-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100591868A Expired - Fee Related CN100469471C (en) | 2007-08-22 | 2007-08-22 | Rough rolling vertical roller mill |
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| CN (1) | CN100469471C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109201744A (en) * | 2018-09-28 | 2019-01-15 | 莱芜市白象消防器材有限公司 | A kind of gearing mechanism for vertical roll of metal-rolling mill |
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-
2007
- 2007-08-22 CN CNB2007100591868A patent/CN100469471C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109201744A (en) * | 2018-09-28 | 2019-01-15 | 莱芜市白象消防器材有限公司 | A kind of gearing mechanism for vertical roll of metal-rolling mill |
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| CN101108395A (en) | 2008-01-23 |
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