CN1236868C - Reversible guidefree rolling apparatus - Google Patents
Reversible guidefree rolling apparatus Download PDFInfo
- Publication number
- CN1236868C CN1236868C CNB011257466A CN01125746A CN1236868C CN 1236868 C CN1236868 C CN 1236868C CN B011257466 A CNB011257466 A CN B011257466A CN 01125746 A CN01125746 A CN 01125746A CN 1236868 C CN1236868 C CN 1236868C
- Authority
- CN
- China
- Prior art keywords
- roll
- rolling
- milling train
- pass
- workpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length
- B21B1/30—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process
- B21B1/32—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length in a non-continuous process in reversing single stand mills, e.g. with intermediate storage reels for accumulating work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/08—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
- B21B13/12—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process axes being arranged in different planes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
- B21B2031/026—Transverse shifting the stand
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2273/00—Path parameters
- B21B2273/22—Aligning on rolling axis, e.g. of roll calibers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
- B21B27/02—Shape or construction of rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/16—Adjusting or positioning rolls
- B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
- B21B31/22—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis mechanically, e.g. by thrust blocks, inserts for removal
- B21B31/26—Adjusting eccentrically-mounted roll bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/12—Toothed-wheel gearings specially adapted for metal-rolling mills; Housings or mountings therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
Abstract
A pair of rolling machines 12 and 13 are arranged in series in alignment with a pass line PL along which a workpiece 11 to be rolled is passed. The center distance P between the first rolls 17 of the first rolling machine 12 and second rolls 19 of the second rolling machine 13 is designed to be not more than 1.5 times the roll diameter R. The rotational axes of the first rolls 17 are displaced by an angle of 90 DEG from those of the second rolls 19 and are inclined at an angle of 45 DEG respectively with respect to the horizontal plane. A plurality of dual-purpose calibers 21/23 are defined between the rolls 17/19 of the rolling machines 12/13 to be arranged in the axial direction, respectively. The rolls 17 and 19 are shifted in crossing directions to the pass line PL respectively so as to bring desired dual-purpose calibers 21 and 23 in alignment with the pass line PL.
Description
Technical field
The present invention relates to a kind of reversible guidefree rolling apparatus, in particular, relate to a kind ofly when workpiece is reciprocating along the rolling pass line, workpiece is rolled into the reversible guidefree rolling apparatus of desired transverse shape.
Background technology
Is the reversible rolling equipment that is rolled into predetermined transverse shape such as bar and the such farm labourer's part of wire rod known.This reversible rolling equipment has the milling train of a pair of arranged in series of aiming at the rolling pass line, and workpiece is then sent to along the rolling passage line.A milling train is supporting a pair of horizontal roll that can rotate, and another milling train is then supporting a pair of vertical roller that can rotate.This two breaker roll in last and a back milling train, all with good grounds separately desired pass schedule separates the rolling groove of arranged at predetermined intervals vertically.By means of making this two breaker roll along perpendicular to rolling pass line displacement respectively, needed rolling groove is aimed at the rolling pass line.
Above-mentioned reversible rolling equipment is designed to sequentially finish rolling processing: workpiece that be rolling is at first continuously by the predetermined rolling groove on a pair of roll that is arranged on each milling train, be rolled, then, make the roll displacement, so adjacent rolling groove is just aimed at the rolling pass line respectively.Then, workpiece passes through selected rolling groove along opposite direction once more continuously.So this reversible rolling equipment just can reach the purpose that workpiece is rolled into predetermined transverse shape by means of making workpiece reciprocating along predetermined rolling pass line.
Formed rolling groove between two rolls, be the oval pass and the round pass of alternately arranging vertically, so, workpiece is at the oval pass that passes through on the milling train, be rolled into after the elliptical section, just be admitted in the round pass on another milling train, be rolled into circular cross section.Simultaneously, in order to go being directed in the round pass along direction accurately to, between two milling trains, insert a piece-holder guider by the rolling workpiece of oval pass.This clamping guider is made up of the part of roller and so on.In addition, the very important point is will a spiral screwdown gear be installed on each milling train, is used to adjust the gap between the phase breaker roll so that change the cross dimension of workpiece.This spiral screwdown gear be designed to make a roll near or be arranged in roll on certain fixed position away from another root.In other words, on frame, the support that is supporting the roll that can rotate is designed to be able to be shifted exactly, and this support is to make its displacement with suitable driving mechanism, so that the gap between the adjustment roll.
When with the gap between the above-mentioned spiral screwdown gear adjustment roll that is contained in the milling train, be installed in the clamping guider on this reversible rolling equipment, also need to adjust to corresponding appropriate location, as a result, in order to adapt to various situations such as product variations and adjust and to waste long time.Because the guiding failure of clamping guider can cause defective rolled products, so must often keep in repair bearing, check the scar of roller surface, check the rotation status of roll, or the like.Should also be noted that the clamping guider that inserts between the milling train has increased the total length of rolling equipment, made the structure complicated of rolling equipment, and need extra cost of equipment.
As mentioned above since between each breaker roll formed rolling groove, be ellipse-round pass, or rhombus-compound shape pass, so make that very unfriendly the size range of the workpiece that institute's energy is rolling is very narrow according to predetermined pass schedule design.Therefore, for workpiece that can rolling size range broad, must prepare the rolls that a lot of covers cooperate with size accordingly.Will raise the cost very unfriendly like this, and increase the difficulty of roll maintenance.
Summary of the invention
Because the above problem of stating, the present invention attempts suitably to solve above-mentioned problem, and its objective is provides a kind of reversible guidefree rolling apparatus, and it has cancelled above-mentioned piece-holder guider, and has saved and be used to change the needed time of product.
For addressing the above problem and achieving the goal rightly, the invention provides a kind of reversible guidefree rolling apparatus that is used for rolling workpiece, at workpiece when the rolling pass line moves back and forth, this equipment is wanting rolling workpiece to be rolled into required transverse shape, two milling trains are along the rolling pass line arranged in series of workpiece, these two milling trains respectively have a pair roller, described roll limits a plurality of passes that are used for rolling workpiece vertically, roll in milling train and the centre-to-centre spacing between the roll in another milling train are not more than 1.5 times of roller diameter, the rotation of the roll in a milling train be displaced to another milling train in the rotation of roll almost meet at right angles, these rolls in these two milling trains are designed to the direction superior displacement that intersects at the rolling pass line with workpiece, so that each pass can both be aimed at the rolling pass line, the pass of some in every milling train, be disposed in a pair roller axially on, these passes can be used as oval groove, also can be used as round pass, above-mentioned pass is designed to can be used as oval groove by adjusting the gap between the described roll, also can be used as round pass.
Other aspects of the present invention and advantage will be below become more clear with reference to accompanying drawing during apart from explanation principle of the present invention.
Description of drawings
Below, describe embodiments of the invention in detail with reference to accompanying drawing, can be well understood to objects and advantages of the present invention more.In the accompanying drawing:
Fig. 1 is the cross-sectional view according to the reversible guidefree rolling apparatus of a preferred embodiment of the present invention, and its expression rolling equipment is along the state of the axis incision of first roll;
Fig. 2 is at the cross-sectional view that cuts perpendicular to the direction of first roll axis according to first milling train of the foregoing description;
Fig. 3 is according to first milling train of the foregoing description and the diagrammatic rear view of transmission system;
Fig. 4 is according to second milling train of the foregoing description and the diagrammatic rear view of transmission system;
Fig. 5 is according to two milling trains of the rolling equipment of the foregoing description and the schematic plan view of two transmission systems;
Fig. 6 a, 6b are key diagrams, have represented the dual-purpose pass that forms between first roll in the foregoing description basically respectively, and the dual-purpose pass that forms between second roll;
Fig. 7 a, 7b are key diagrams, have represented the ellipse-round pass that forms between first roll and second roll among another embodiment basically respectively;
Fig. 8 a, 8b are key diagrams, have represented the rhombus-square pass that forms between first roll and second roll among another embodiment basically respectively;
Fig. 9 is a schematic configuration diagram, and expression is according to the production line of the guidefree rolling apparatus of the preferred embodiment of another aspect of the present invention;
Figure 10 represents the cross section of the rolling equipment of this embodiment along the axis incision of first roll;
Figure 11 is the cross-sectional view that cuts along the axis perpendicular to first roll according to first milling train of the foregoing description;
Figure 12 is according to first milling train of the foregoing description and the diagrammatic rear view of transmission system;
Figure 13 is according to second milling train of the foregoing description and the diagrammatic rear view of transmission system;
Figure 14 is the schematic plan view of transmission system of milling train of the rolling equipment of this embodiment.
The specific embodiment
Below, describe the preferred embodiment of reversible guidefree rolling apparatus of the present invention in detail with reference to accompanying drawing.
As shown in Figure 1, reversible guidefree rolling apparatus 10 (hereinafter to be referred as rolling equipment) mainly is made up of two milling trains 12 that in series are arranged to aim at a rolling pass line PL who wants rolling workpiece 11 to send to along it and 13.In addition, in the upstream side and the downstream (see figure 5) with respect to machine direction of rolling equipment 10, respectively be provided with and have many rolling worktables 14 that separate the roller of predetermined space, 11 of workpiece that are loaded on the workbench 14 are reciprocating with respect to equipment 10.
A milling train (first milling train) 12 that constitutes the rolling equipment 10 has a pair of line of rolling pass sidewards PL to arrange first roll 17 relative to each other.This a pair of first roll 17 is bearing on first support 16 in the frame 15 of the rolling equipment 10 of packing into, can rotate.Simultaneously, on another milling train (second milling train) 13, also have a pair of line of rolling pass sidewards PL to arrange second roll 19 relative to each other.This a pair of second roll 19 is bearing on second support 18 in the frame 15 of the rolling equipment 10 of packing into, can rotate.In first milling train 12 rotation of first roll 17 be designed to can with second milling train 13 in the direction superior displacement of 19 one-tenth an angle of 90 degrees of second roll, and the direction of the rotation of first roll 17 and second roll 19 all is arranged to be inclined relative to horizontal 45 degree (directions X) angles (seeing Fig. 3 and 4).Here for example be noted that, on the basis of two first rolls 17 in being arranged on first milling train 12, the rotation of each roll 17 inclination angle with respect to the horizontal plane be not limited to 45 the degree, but can 20 spend to 90 the degree scopes in, but preferably 45 the degree.
Dual- purpose pass 21 and 23 is by means of the gap of regulating between a pair roller 17 and 19, reach be used as oval pass, also can be used as the purpose of round pass.In the present embodiment, the diameter of pass is designed to reduce gradually to the other end along an axial end from roll.When making workpiece 11 alternately by predetermined dual- purpose pass 21 or 23 as oval pass, and then by predetermined as round pass pass 23 or 21 o'clock, just be rolled into predetermined transverse shape.In the forward stroke and backward travel of workpiece 11, the pass that workpiece 11 is passed through at first is oval-shaped, then, passes through the pass of a circle again.When the feeding direction of workpiece 11 by rolling equipment 10 turned around, workpiece 11 can be as sending to opposite direction by the milling train in the rolling equipment 10 13 and 12 o'clock, and needn't be along radially rotating.
As shown in Figure 1, the centre-to-centre spacing P between first roll 17 in first milling train 12 and second roll 19 in second milling train 13 will be redefined for 1.5 times that are not more than roll 17 (19) diameters.As mentioned above, along the rolling pass line, by reducing to be arranged to the centre-to-centre spacing P between roll adjacent each other 17 and 19, just can be rolling workpiece 11 in the dual- purpose pass 21 or 23 in a milling train 12 or 13 at first, be directed to exactly in the dual- purpose pass 23 or 21 in another milling train 13 or 12 that in next passage, workpiece is rolled, and needn't between two milling trains 12 and 13, add the piece-holder guider.In other words, according to the variation of product and necessary adjustment and check that the operation of clamping guider can save, and owing to the defective product that exists the clamping guider to produce has also been eliminated.In addition, owing to there is not the clamping guider, the total length of rolling equipment has shortened.
Be noted that the centre-to-centre spacing between relative roll 17 and 19, can adopt mechanism's (will be described below) of spiral screwdown gear of being used to regulate the gap between the relative roll 17 (19) and so on, it is reduced.Therefore, the formation of milling train 12 and 13 will be described below.Because in first milling train 12 and second milling train 13, except the rotation of roll 17 is arranged to become 90 degree with the rotation of roll 19, remaining formations is all identical, so the formation of following description first milling train 12.In second milling train 13 every various members identical with first milling train 12 use same label respectively, and their detailed description of having omitted.Above-mentioned milling train is not limited to the centering type milling train, and the present invention also can be used for wheel chock formula milling train.But, in the following embodiments, with the centering type milling train as an example.
On first support 16 in the frame 15 of rolling equipment 10, be provided with the through hole 24 of two pairs of directions perpendicular to rolling pass line PL, each comprises that to through hole one is gone up through hole 24 and a lower through-hole 24.That is,,, on the interior location of first support (near milling train 12 and 13 relative two sides), four through holes 24 are arranged respectively at upper position and lower position in each side of the rolling pass line PL of workpiece.The eccentric adjusting sleeve 25 that can rotate is installed in each through hole 24, and the eccentric through-hole 25a of the axis misalignment position of an axis and above-mentioned through hole 24 is arranged in this eccentric adjusting sleeve.Roll mandrel 26 inserts among the above-mentioned upper and lower eccentric through-hole 25a, and is bearing in wherein by bearing 27, can rotate.Meanwhile, on the roll mandrel 26, between two eccentric adjusting sleeves 25, first roll 17 that can rotate that becomes one with axle 26 has been installed.Workpiece 11 is rolled when the first dual-purpose pass 21 by forming between being arranged to perpendicular to a pair of first roll 17 of diagonal.As shown in Figure 2, each inserts among the eccentric through-hole 25a of eccentric adjusting sleeve 25 and by the axis C of the roll mandrel 26 of its supporting
1, being designed to can be with respect to the axis C of eccentric adjusting sleeve 25
2Move a desired amount, and be designed to and make axis C by make eccentric adjusting sleeve 25 with a kind of mechanism (will be described below) to rotation forward or backwards
1Displacement.
On first support 16, a pair of vertical with roll mandrel 26, and its position is in the adjustment axle 28 of the outside (leaving on milling train 12 and the farther position, 13 relative both sides) of roll mandrel 26, is bearing in the opposite of eccentric adjusting sleeve 25.As shown in Figure 2, each is adjusted on the axle 28 a pair of eccentric adjusting sleeve 25 opposites that are installed in respectively, and can be with the adjustment worm screw 29 of axle 28 rotations.Each root is adjusted worm screw 29 and is all meshed with the tooth 25b that forms on eccentric adjusting sleeve 25 excircles of collaborative work.These two are installed in each and adjust adjustment worm screws 29 on the axle 28, are designed to have opposite hand of helix, and facing to eccentric adjusting sleeve 25, be installed in same 29 of adjustment worm screw on the roll mandrel 26 and be designed to have identical hand of helix.Simultaneously, each root adjustment axle 28 all has a therewith operation worm gear 30 of rotation at an one axle head.These operation worm gears 30 respectively be installed on the operating axis 31,32 engagements of the operation worm screw of collaborative work, operating axis 31 then is bearing on first support 16, can rotate.In particular, if use appropriate driving device, motor for example, drive aforesaid operations axle 31 to rotation forward or backwards, will make this exchange bearing 28 and rotate, then to same direction, respectively by the adjustment worm screw 29 of collaborative work, make eccentric adjusting sleeve 25 rotations again.So the centre-to-centre spacing that is bearing in separately between the roll mandrel 26 on the eccentric adjusting sleeve 25 has just changed, reach the purpose of regulating the gap between the first relative roll 17.
As mentioned above, in first milling train 12 that utilizes eccentric adjusting sleeve 25 as the spiral screwdown gear, as shown in Figure 1, the inboard of first support 16 (this side that roll mandrel 26 moves towards it) is designed to have very little thickness, meanwhile, in second milling train 13, roll mandrel 26 also is positioned at the inboard of keeping in mind second support 18 prejudicially, therefore, the thickness of residence of a high official support 18 inboards is also very little.Above-mentioned first milling train 12 and second milling train 13 are arranged to adjacent each other, therefore the wall thickness of inboard relative to each other is all very thin, as a result, in roll 17 on first milling train 12 and the centre-to-centre spacing between the roll 19 on second milling train 13, just can be designed to be not more than 1.5 times of roll 17 (19) diameter R.
Then, the drive unit that is used for first milling train 12 and second milling train 13 is described.As shown in Figure 3, first driving shaft 33 of a level extends in the direction perpendicular to rolling pass line PL, and is bearing in the left side of the rolling pass line PL below of workpiece, can rotate.As shown in Figure 5, one is bearing in first power transmission shaft 35 that can rotate on first gear-box 34, by first shaft coupling 36, is connected with the far-end away from rolling pass line PL of first driving shaft 33.Meanwhile, one first reduction gearing 37 is installed on above-mentioned first power transmission shaft 35, therewith rotates.This gear 37 be installed on the output shaft 38a of first drive motors 38 and first driven wheel, 39 engagements of therewith rotating.Above-mentioned motor 38 can rotate with respect to positive and negative both direction.Therefore, if start first drive motors 38, just, drive first driving shaft 33 and rotate to desired direction by first driven wheel 39, first reduction gearing 37 and first power transmission shaft 35.
First jackshaft 40 with respect to above-mentioned first driving shaft, 33 inclination miter angles is bearing in its top, and can rotate in frame 15.A first middle bevel gear 41 that is installed in axle 40 1 ends and can therewith rotates is with first bevel gear, 42 engagements that are installed on above-mentioned first driving shaft 33 and therewith rotate.In addition, the first parallel roll mandrel 43 of a pair of and above-mentioned first jackshaft 40 (being inclined relative to horizontal miter angle) is bearing on the frame 15, can rotate.Be installed on the roll mandrel 43 therewith rotate first connect gear 44, and be installed in first driven gear, 45 engagements of therewith rotating on first jackshaft 40.In addition, towards which end of rolling pass line PL, all, be bound up on the roll mandrel 26 of first roll 17 in first milling train 12 on first roll mandrel 43 respectively by the first splined shaft hookup 46, can be along axially displaced.Here, a pair of first roll mandrel 43 is connected gear 44 engagements respectively with first of collaborative work, so that can rotate towards opposite direction mutually.Promptly, when first driving shaft 33 is driven by first drive motors 38, during towards the rotation of desired direction, just is connected gear 44 with first, makes a pair of first roll mandrel 43 towards opposite mutually direction rotation by bevel gear 41, first driven gear 45 in the middle of first bevel gear 42, first.Like this, just make on first milling train 12, first roll 17 that crosses the rolling passage line PL is towards opposite mutually direction rotation.Meanwhile, as mentioned above, even above-mentioned first support 16 is shifted towards the direction perpendicular to rolling pass line PL,, the above-mentioned first splined shaft hookup 46 still can be given first roll 17 with transmission of power.
As shown in Figure 5, second driving shaft 47 of a level on the direction perpendicular to workpiece rolling pass line PL, is bearing in its lower right side, can rotate.As shown in Figure 5, one is bearing in second power transmission shaft 49 that can rotate in second gear-box 48, by second shaft coupling 50, at the far-end with respect to rolling pass line PL, is connected on second power transmission shaft 47.Meanwhile, one second reduction gearing 51 is installed on second power transmission shaft 49, and therewith rotates.On gear 51 and the output shaft 52a that is installed on second drive motors 52, and second driven wheel, 53 engagements of therewith rotating.Motor 52 can rotate to positive and negative both direction.Therefore, if start second drive motors 52, just second driving shaft 47 is by second driven wheel 53, second reduction gearing 51 and second power transmission shaft 49, towards rotating with first power transmission shaft, 33 same directions.
Be inclined to second jackshaft 54 of miter angle with second driving shaft 47, supporting above it in frame 15, can rotate, and and be installed in axle 54 1 ends, can therewith rotate second in the middle of 55 on bevel gear with mesh according to second bevel gear 56 that on second driving shaft 47, can therewith rotate.In addition, a pair of second roll mandrel 57 is bearing in the frame 15, can rotate, and with second jackshaft 54 parallel (with horizontal plane inclination miter angle).Second connects gear 58 is installed on the roll mandrel 57 therewith rotation.Above-mentioned second connects gear 58 and is installed in therewith second driven gear, 59 engagements of rotation on second jackshaft 54.
In addition, towards those ends of rolling pass line PL, all, be bound up on the roll mandrel 26 of second roll 19 on second roll mandrel 57 respectively by the second splined shaft hookup 60, can be along axially displaced.Here, a pair of second roll mandrel 57 is connected gear 58 engagements respectively with second, so that can rotate towards opposite direction mutually.Promptly, when second driving shaft 47 is driven by second drive motors 52, during towards the direction rotation identical with first driving shaft 33, this a pair of second roll mandrel 57 just is connected gear 58 by second bevel gear, 56, the second middle bevel gear 55, second driven gear 59 with second, rotates towards opposite mutually direction.Like this, just make on second milling train 13, second roll 19 that crosses the rolling passage line PL is towards opposite mutually direction rotation.Meanwhile, as mentioned above, even above-mentioned second support 18 is shifted towards the direction perpendicular to rolling pass line PL,, the above-mentioned second splined shaft hookup 60 still can be given second roll 19 with transmission of power.
Here, the rotation of first drive motors 38 and second drive motors 52 can both be at workpiece 11 by reverse after each passage of rolling equipment 10, and, be positioned at the milling train 12 of sending a side or 13 rotary speed, control to such an extent that it is higher than be positioned at the milling train 13 of sending a side to or 12 rotary speed, so that successfully finish the rolling of workpiece.
(course of work of present embodiment)
Below, the course of work according to the reversible guidefree rolling apparatus of above-mentioned formation is described.At first, according to the transverse shape of wanting rolling workpiece 11, adjust gap between first roll 17 in first milling train 12 and second milling train 13 and the gap between second roll 19 respectively with the spiral screwdown gear.Then, move first support 16 and second support 18, and locate them respectively on such position with hydraulic pressure steel 20 and 22, make the position of the first dual-purpose rolling groove 21 of the oval pass that is used as first roll 17 in the milling train 12 of winning, and second position of the second dual-purpose rolling groove 23 that is used as the round pass of second roll 19 in the milling train 13, PL aims at the rolling pass line.
Under such state, when the workpiece 11 that is loaded on the milling train workbench 14 that is positioned at first milling train, 12 outsides (leaving second milling train 13 side far away), when the formed first dual-purpose rolling groove 21 was rolled between first roll 17, workpiece 11 just was rolled into the shape with elliptical section.When workpiece 11 still was clipped between first roll 17, its fore-end was just sent to and continuously by the second dual-purpose pass 23 on second roll 19, is rolled into round transverse shape.Because roll 17 on first milling train 12 and the centre-to-centre spacing P between the roll 19 on second milling train 13 are designed to be not more than 1.5 times of roll 17 (19) diameter R, so workpiece 11 can be fed in the second dual-purpose pass 23 on second milling train 13 exactly, and needn't add the clamping guider between two milling trains 12 and 13.In addition, first roll 17 on first milling train 12 can also play the clamping guiding for workpiece 11, so that prevent the distortion of workpiece 11 effectively.
Because the rotation of the roll 17 on first milling train 12 and the rotation of second roll 19 on second milling train 13, all be inclined relative to horizontal miter angle, so leaving the height of the basic plane that rolling equipment 10 is installed, just can reduce the rolling pass line PL of workpiece, thereby reduce from the ground in workshop to the degree of depth of basic plane, reach the purpose of the expense that reduces foundation engineering etc.
Send from second milling train 13 when being rolled into workpiece 11 with circular cross sections, in the time of on the roller workbench 14 of arrival opposite one side, second support 18 is just by predetermined pitch of second hydraulic cylinder 22 displacement, makes on another position to aim at rolling pass line PL as the center of the dual-purpose pass 23 of oval pass.Meanwhile, in first milling train 12, first support 16 also makes predetermined pitch of its displacement by first hydraulic cylinder 20, aims at rolling pass line PL as the center of the dual-purpose pass of round pass so that make on another position.Like this, after support 16 and 18 was shifted interrelatedly, workpiece 11 just began to send to from the rear end, and the second dual-purpose pass 23 by on second roll 19 is rolled into oval cross-section.Then, continuously by the first dual-purpose pass 21 in first roll 17, be rolled into circular cross sections through this processed workpiece 11.At this moment, workpiece 11 is delivered in the first dual-purpose pass 21 of first milling train 12 again exactly, and has prevented that effectively workpiece 11 from producing the problem of distortion and so on.
As mentioned above, workpiece 11 back and forth by milling train 12 and, just is rolled into needed cross section at 13 o'clock after support 16 and 18 relevant each time displacements.As long as here, workpiece 11 does not need by the whole dual- purpose pass 21 and 23 in milling train 12 and 13, and according to predetermined scheme, is the necessary pass 21 in cross section that obtains regulation and 23 just passable by those.
Then, when product has changed, when needing to change the factors such as diameter of workpiece 11, can the operating axis 31 of the spiral screwdown gear of milling train 12 and 13 be rotated to needed direction with motor and so on.So eccentric adjusting sleeve 25 just rotates, change between the roll 17 and the gap between the roll 19.Promptly, milling train 12 and 13 dual- purpose pass 21 and 23 new products that will will make according to workpiece 11 respectively, preestablishing its function is as oval pass or round pass, and, the workpiece 11 of this new product is moving under the situation of support 16 and 18 according to predetermined scheme, reciprocating with respect to rolling equipment 10, thus 11 be rolled into predetermined cross section building together.Should be noted that, rolling groove in rolling groove that forms between first roll 17 and formation between second roll 19 all is dual-purpose pass, both can be used as oval pass, also can be used as round pass, so can the very big workpiece 11 of rolling size range once the cover roll, several cover rolls then can the bigger workpiece of rolling size range.
Because roll 17 and 19 is being arranged to adjacent to each otherly along the upstream side of rolling pass line and downstream, its centre-to-centre spacing P is not more than 1.5 times of roller diameter, so just can carry out rolling accurately under the condition that does not have the clamping guider.In other words, can cancel because of changing adjustment that product causes and the complicated step of checking the clamping guider, the result just can reduce the loss of time of causing because of product variations, thereby improve productivity ratio.
In addition, also can not take place, and the total length of rolling equipment also shortened, thereby can effectively utilize space in the workshop more owing to the substandard products that have the clamping guider to produce.
Though in the above-described embodiments, formed pass is both can be used as oval pass between roll 17 and the roll 19, again can be as the dual-purpose pass of round pass, but be not limited in this dual-purpose pass, for example, shown in Fig. 7 a, can be alternately along the oval pass 61a of axial arranged predetermined quantity and the round pass 61b of predetermined quantity on first roll 17; And for example shown in Fig. 7 b, can be on second roll 19 alternately along the round pass 62b and the oval pass 62a of axial arranged predetermined quantity.In this embodiment, the internal diameter of formed pass is designed to reduce gradually to the other end along an axial end from roll between roll 17 (19).Like this, make workpiece 11, just can be rolled into predetermined transverse shape to it alternately by oval pass 61a (62a) and round pass 61b (62b).Should be noted that, in stroke that workpiece 11 advances and the stroke that retreats, if the pass that workpiece 11 at first passes through is an oval pass 61a (62a), and the pass that then passes through is a round pass 61b (62b), so, just do not need to reverse the feeding direction of the workpiece 11 by rolling equipment 10, as long as workpiece 11 is not delivered in the milling train 13 and 12 of rolling equipment 10 backward, and turning of work piece 11 radially.
Meanwhile, also can use first roll 17 with rhombus-square pass, that is, shown in Fig. 8 a, can be on first roll 17 along its diamond pass 63a and the square pass 63b that axially alternately form predetermined quantity; And for example shown in Fig. 8 b, can be on second roll 19 alternately along the square pass 64b and the diamond pass 64a of axial formation predetermined quantity.Under the situation that adopts rhombus-square pass, if the pass that workpiece passes through at last is a square pass, workpiece just needn't reverse vertically in next passage so, so mechanism has just simplified.
The quantity of the pass that forms between a pair roller is not limited only to the foregoing description.Making the drive unit of roll displacement also be not limited only to used in the present embodiment hydraulic cylinder, also can be other mechanisms, for example, can adopt the combination of motor and bolt and nut.In addition, the benchmark of roll lateral attitude institute basis with respect to the horizontal plane also can be the rotation of second roll on second milling train.By the way, the rotation of first roll in first milling train (milling train) and the rotation of second roll in second milling train (another milling train) not necessarily to stagger mutually 90 the degree, also can be to approach the right angle.
Below, the embodiment according to the nothing guiding production line of rolling mill of another aspect of the present invention is described.In the prior art, be used to comprise the pass schedule of the workpiece of rod iron material and wire rod, generally can rough segmentation for roughing, by the intermediate rolling of intermediate mill production line, and the finish rolling by the finishing mill production line by the roughing mill production line.Be heated to the workpiece of the temperature that requires, by roughing mill production line and intermediate mill production line the time, be rolled down to predetermined cross dimension, then, be rolled into the finished product cross dimension (transverse shape) of regulation again by the finishing mill production line.With the intermediate mill production line is example, aims at the rolling pass line that a workpiece is sent to along it with many milling trains that predetermined interval forms a line, so workpiece is rolled into the preliminary dimension that can be received by the finishing mill production line when passing through these milling trains.
Each milling train all has a pair of roll that can rotate on the frame that is bearing in, and workpiece then by between the roll during formed rolling groove, carries out necessary rolling processing.On the intermediate mill production line, carry out drawing or rolling key issue and be to adopt the ellipse alternately arranged-circular rolling groove system, perhaps adopt the rhombus with diamond pass and square pass-square pass system that alternately arranges with oval pass and round pass.
In ellipse-circular rolling system, what be arranged on the round pass inlet side is the clamping guider of being made up of roller basically, the workpiece of a rolling mistake in oval pass of its guiding enters in the round pass along direction accurately, so that carry out rolling accurately.Meanwhile, in rhombus-square pass system, similar clamping guider is set, to guarantee high area reduction in compound entrance of pass side.
In addition, in that the spiral screwdown gear that is used to adjust the gap between the relative roll is installed on each milling train,, also be very important so that change the cross dimension of workpiece.Above-mentioned spiral screwdown gear be used to make a roll near or be fixed on a certain locational roll away from another root.In other words, the support that is contained in the roll that is supporting a rotation in the frame can be shifted, and adopts suitable drive mechanisms to make this support displacement, adjusts the gap between the roll.
But, when spiral screwdown gear in use is installed in milling train was adjusted gap between the roll, the clamping guider that is arranged between the milling train also needed correspondingly to adjust to suitable position, result, adjust for situations such as variation, need long time very unfriendly according to product.Because the failure of clamping guider guiding can cause defective rolled products, the therefore frequent scar that keeps in repair bearing, checks roller surface, rotation of checking roll or the like is very important.Should also be noted that above-mentioned clamping guider between milling train makes mechanical structures complicated, and need extra cost of equipment.
In addition, when finishing high-speed rolling, because the distortion when rolling of the temperature of workpiece is risen very highly, in practice will be by the outlet side cooling workpiece of water-cooled tank and so on, so that the rising of control temperature at milling train.It may also be pointed out that, when workpiece has on the milling train of oval cross-section pass when rolling, because the shape of workpiece, must its water-cooled of pressurizeing so just can not utilize the water-cooled tank to cool off, be reached workpiece and just can not obtain enough coolings.
Fig. 9 represents the signal pie graph according to the nothing guiding production line of rolling mill of present embodiment.Many rolling equipments 110 (being 6 rolling equipments in the present embodiment) are arranged to aim at the rolling pass line PL that a workpiece is sent to along it with predetermined interval.Each rolling equipment 110 all has one first milling train 113 and one second milling train 115 of in series arranging.First milling train 113 is positioned at upstream side (with respect to the rear of machine direction), and have and cross rolling pass line PL's, first roll 112 of a pair of rotation relative to each other, and second milling train 115 is positioned at downstream (with respect to the rear of machine direction), and also have and cross rolling pass line PL, second roll 114 of a pair of rotation relative to each other.In first milling train 113 rotation of first roll 112 be designed to can with second milling train 115 in the direction superior displacement of 114 one-tenth an angle of 90 degrees of second roll, and the direction of the rotation of first roll 112 and second roll 114 all is arranged to be inclined relative to horizontal 45 degree (directions X) angles.Here should be noted that, for example, on the basis of two first rolls 112 in being arranged on first milling train 113, the rotation of each roll 112 inclination angle with respect to the horizontal plane is not limited to 45 degree, but can 20 spend to 90 the degree scopes in, but preferably 45 the degree.
Shown in Figure 12 or 13, an oval pass 116 and a round pass 117 between first roll 112 of first milling train 113, have been formed as rolling groove, fixing at interval vertically between two passes, simultaneously, an oval pass 116 and a round pass 117 between second roll 114 of second milling train 115, have also been formed as rolling groove, fixing at interval vertically between two passes.In the present embodiment, the position of the round pass in the oval pass 116 in first milling train 113 and second milling train 115 is all aimed at rolling pass line PL, then has round transverse shape by the workpiece 111 behind this rolling equipment 110.Being noted that roll 112 that first and second milling trains 113 and 115 wherein have been installed and two supports 120 (will be described below) of 114, is can be respectively to move with respect to the frame 119 of rolling equipment 110.The above-mentioned support 120 that lays respectively at upstream side and downstream can exchange, so that another oval pass 116 or another round pass 117 are aimed at the rolling passage line PL, therefore, workpiece 111 also can be rolled by other two passes by this.But in this case, the rolling groove in downstream must be circular pass 117.
As shown in figure 10, the centre-to-centre spacing P between first roll 112 in first milling train 113 and second roll 114 in second milling train 115 will be redefined for 1.2 times that are not more than roll 112 (114) diameter R.As mentioned above, along the rolling pass line, by reducing to be arranged to the centre-to-centre spacing P between a pair roller adjacent each other 112 and another breaker roll 114, even without the piece-holder guider, also can be directed to exactly in the round pass 117 in second milling train 115 at first by rolling workpiece 111 in the oval pass 116 in first milling train 113.In other words, according to the variation of product and necessary adjustment and check that the operation of clamping guider can save, and owing to the defective product that exists the clamping guider to produce has also been eliminated.In addition, owing to there is not the clamping guider, the total length of rolling equipment has shortened.At the outlet side of each rolling equipment 110 water-cooled tank 118 as cooling device is arranged all, so, workpiece 111 rolling mistake, that temperature has improved during by each rolling equipment 110, by tank 118 (temperature controller) time, be cooled, so that workpiece 111 keeps being suitable for being rolled the temperature of processing in next rolling equipment 110.
Be noted that the centre-to-centre spacing P between relative two rolls 112 and 114, can utilize a kind of mechanism's (will be described below) as the spiral screwdown gear to adjust gap between relative a pair roller 112 (114) of milling train 113 (115).Therefore, the formation of milling train 113 and 115 will be described below.
Because first milling train 113 is identical with the formation of second milling train 115, the rotation that has only roll 112 is to become an angle of 90 degrees with the axis of roll 114, so following the formation of describing first milling train 113.Member identical with first milling train 113 in second milling train 115 is marked with same label respectively, and has omitted their detailed description.
As shown in figure 10, the support 120 in the frame 119 of rolling equipment 110 has the through hole 120a of two pairs of directions perpendicular to rolling pass line PL, and each comprises that to through hole one is gone up through hole 120a and a lower through-hole 120a.That is, each side at the rolling pass line PL of workpiece respectively at upper position and lower position, on the interior location (near the downstream) of first support, has four through hole 120a.The eccentric adjusting sleeve 121 that can rotate is installed in each through hole 120a, and the eccentric through-hole 121a of the axis misalignment position of an axis and above-mentioned through hole 120a is arranged in each eccentric adjusting sleeve 121.A roll mandrel 122 inserts among the above-mentioned upper and lower eccentric through-hole 121a, and is bearing in wherein by bearing 123, can rotate.Meanwhile, on roll mandrel 122, between two eccentric adjusting sleeves 121, having installed can be with first roll 112 of axle 122 rotations.Workpiece 111 is rolled when the oval pass 116 by being arranged between mutually perpendicular a pair of first roll 112 of diagonal to form.Know demonstration as Figure 11, each inserts among the eccentric through-hole 121a of eccentric adjusting sleeve 121, and by the axis C of the roll mandrel 122 of its supporting
1, being designed to can be with respect to the axis C of eccentric adjusting sleeve 121
2Move a desired amount, and be designed to and make axis C by make eccentric adjusting sleeve 121 with a kind of mechanism (will be described below) to rotation forward or backwards
1Displacement.
The upstream side of the roll mandrel 122 in support 120 is supporting a pair of adjustment axle 124 that can rotate, and this exchanges bearing and faces the eccentric adjusting sleeve 121 that is installed in roll mandrel 122 upper and lowers, and vertical with above-mentioned roll mandrel 122.As shown in figure 11, each is adjusted a pair of adjustment worm screw 125 that faces toward corresponding eccentric adjusting sleeve respectively all is installed on the axle 124, and can rotate with axle 124.Each adjust worm screw 125 all with the tooth 121b engagement that on the excircle of the eccentric adjusting sleeve 121 of collaborative work, forms.These two adjustment worm screws 125 that are installed on each adjustment axle 124 have opposite hand of helix, then have unidirectional helix facing to the adjustment worm screw 125 that is installed in same eccentric adjusting sleeve 121 on the roll mandrel 122.Meanwhile, above-mentioned adjustment axle 124 respectively has an operation worm gear 126 that therewith rotates on an one axle head.These operation worm gears 126 mesh with the operation worm screw 128 that is installed in collaborative work on the operating axis 127 respectively, and operating axis 127 then is bearing in the support 120, can rotate.In particular, if operating axis 127 is used appropriate driving device, for example a Motor Drive makes it towards rotating forward or backwards, this adjustment axle 124 to rotating towards same direction just makes the eccentric adjusting sleeve 121 of collaborative work rotate by adjusting worm screw 125 respectively so.So the centre-to-centre spacing between the roll mandrel 122 that each free a pair of eccentric adjusting sleeve 121 is supporting just changes, and has reached the purpose of regulating the gap between the first relative roll 112.
As mentioned above, in first milling train 113 with the spiral screwdown gear that utilizes eccentric adjusting sleeve 121, as shown in figure 10, the downstream of support 120 (roll mandrel 122 is kept in mind the side that it moves) is designed to have only extremely thin thickness.Meanwhile, in second milling train 115, the position of roll mandrel 122 is towards support 120 upstream side off-centre, therefore, and the very thin thickness of support 120 upstream sides.First milling train 113 and second milling train 115 lean on very closely mutually, so that their very thin thickness of inwall freedom relative to each other, roll 112 on first milling train 113 and the centre-to-centre spacing P between the roll 114 on second milling train 115 can be set at 1.2 times that are not more than roll 112 (114) diameter R as a result.
Shown in Figure 12～14, first roll 112 on first milling train 113 of formation rolling equipment 110 and second roll 114 on second milling train 115 are all driven by an independent drive motors 129.In this present embodiment, each rolling equipment 110 all is designed to finish two rolling passes of area reduction in 25% to 40% scope.
As shown in figure 12, the level that can rotate first driving shaft 130 is bearing in the below in the rolling pass line PL left side of workpiece, and extends on the direction perpendicular to rolling pass line PL.As shown in figure 14, one is bearing in first power transmission shaft 132 that can rotate in the gear-box 131 and is connected on first power transmission shaft 130 far-end with respect to rolling pass line PL by first shaft coupling 133.Meanwhile, one first reduction gearing 134 is installed on above-mentioned first power transmission shaft 132, can therewith rotate.Driven wheel 135 engagements on gear 134 and the output shaft 129a that is fixed on drive motors 129 can therewith be rotated.Like this, if start drive motors 129, just above-mentioned first driving shaft 130 is by driven wheel 135, first reduction gearing 134 and first power transmission shaft 132, towards desired direction rotation.
First jackshaft 136 with respect to first driving shaft, 130 inclination miter angles, above first driving shaft, be bearing in the frame 119 and can rotate, be fixed on an axle end of 136, can therewith rotate first in the middle of bevel gear 137 then with first bevel gear, 138 engagements that are fixed on first driving shaft 130, and therewith rotate.In addition, a pair of first roll mandrel 139 that can rotate is bearing in the frame 119, and with first jackshaft 136 parallel (with respect to the horizontal plane becoming 45 degree inclinations angle).Be installed on the roll mandrel 139, that can therewith rotate first connects gear 140 and is fixed on first driven gear, 141 engagements that can therewith rotate on first jackshaft 136.In addition, those point to the end of rolling pass line PL on first roll mandrel 112, are connected with the roll mandrel 122 of first roll 112 on first milling train 113 respectively by the first detachable shaft coupling 142 that can be shifted vertically.Here, a pair of first roll mandrel 139 is connected gear 140 engagements respectively with first of collaborative work, so that can rotate towards opposite mutually direction.Promptly, when first drive motors 129 drives above-mentioned first driving shaft 130 when desired direction is rotated, this a pair of first driving shaft 139 just is connected gear 140 by first bevel gear, 138, the first middle bevel gear 137, first driven gear 141 with first, rotates towards opposite mutually direction.This just make the milling train 113 of winning relative to each other, a pair of first roll 112 of crossing rolling pass line PL rotates towards opposite mutually direction.
Major axis 143 that can rotate extends along the direction parallel with first driving shaft 130, and crosses rolling pass line PL.One is bearing in second power transmission shaft 144 that can rotate in the gear-box 131, is connected the left end of above-mentioned major axis 143 by second shaft coupling 145.In addition, one second travelling gear 146 is fixed on above-mentioned second power transmission shaft 144, can therewith rotate.Second travelling gear 146 be fixed on first travelling gear, 147 engagements that can therewith rotate on first power transmission shaft 132.Like this, when starting drive motors 129, above-mentioned major axis 143 just rotates towards the direction opposite with first driving shaft 130.
As shown in figure 13, second driving shaft 148, is bearing on the frame 119 and can rotates facing to first driving shaft 130 in rolling pass line PL lower left side.One is fixed on second driving shaft 148, the driven idler gear that can therewith rotate 149 be fixed on driving idler gear 150 engagements that can therewith rotate on the major axis 143, as a result, above-mentioned second driving shaft 148 rotates towards the direction identical with first driving shaft 130.Second jackshaft 151 that is inclined to miter angle with second driving shaft 148 in frame 119, be bearing in second driving shaft 148 above, can rotate.And one be fixed on axle 151 1 ends, can therewith rotate second in the middle of bevel gear 152, then with the level of being fixed on second driving shaft 148 on second bevel gear 153 engagement that can therewith rotate.In addition, a pair of second roll mandrel 154 is bearing on the frame 119 and can rotates, and with second jackshaft 151 parallel (being inclined relative to horizontal miter angle).Be fixed on can therewith rotate on the roll mandrel 154 second connect gear 155, and be fixed on second driven gear, 156 engagements that can therewith rotate on second jackshaft 151.
In addition, the end of the sensing rolling pass line PL of one second roll mandrel 154 by the second detachable shaft coupling 157, is connected on the roll mandrel 122 of one second roll 114 in second milling train 115, can dismantle.Meanwhile, the end of the sensing rolling pass line PL of another root second roll mandrel 154 then is connected on the roll mandrel 122 of another root second roll 114 on second milling train 115 by the second detachable shaft coupling 157, can dismantle.This a pair of second roll mandrel 154 connects under the state that meshes between the gear 155 at two second, can keep in mind opposite mutually direction rotation.Promptly, when drive motors 129 drives second driving shaft 148 to seeing when rotating with the same direction of first driving shaft 130 by major axis 143, this a pair of second roll mandrel 154 just is connected color 155 towards opposite mutually direction rotation by bevel gear 152, second driven gear 156 in the middle of second bevel gear 153, second with second.This just makes this a pair of rolling pass line PL second roll 114 relative to each other of crossing of second milling train 115 rotate towards opposite mutually direction.
Below, the course of work according to the nothing guiding milling train active line of above-mentioned formation is described.As shown in Figure 9, workpiece 111 with desired cross dimension is directed on first milling train 113 of first rolling equipment 110 that is positioned at the upstream-most position, and, during the oval pass 116 that between the first a pair of relative roll 112, forms, be subjected to needed rolling processing by first milling train 113.Workpiece 111 through processing infeeds between a pair of second roll 114 of second milling train 115 continuously, and, when passing through the round pass 117 that forms between second roll 114, be subjected to needed rolling processing.Here, centre-to-centre spacing P between the roll 112 of first milling train 113 and the roll 114 of second milling train 115 is designed to be not more than 1.2 times of these roll 112 (114) diameters, so under the situation that does not have the clamping guider, workpiece 111 also can infeed in the round pass 117 of second milling train 115 exactly.In addition, first roll 112 on first milling train 113 can also prevent the situations such as distortion of workpiece 111 effectively as the clamping guider of workpiece.
Because the axis of first roll 112 on first milling train 113 and the axis of second roll 114 on second milling train 115 all are inclined to miter angle with horizontal plane, so leaving the height of the datum plane that rolling equipment 110 is installed, just can reduce the rolling pass line PL of workpiece, thereby reduce from the ground in workshop to the degree of depth of basic plane, reached the purpose of the expense that reduces foundation engineering etc.
As shown in Figure 9, pass through the workpiece 111 of first rolling equipment 110, by water-cooled tank 118 time, be cooled to and be suitable for rolling temperature, then, be directed into second rolling equipment 110 again, carried out the rolling processing of another time necessity.Then, workpiece 111 has rolling equipment 110 to send to downstream under the state of rolling processing, and by 118 coolings of water-cooled tank, such operation alternately repeats in above-mentioned same mode, has desired cross dimension up to workpiece.In particular, because workpiece 111 all has circular transverse shape when every suit rolling equipment 110 is sent out, so, even workpiece 111 is rolled with very high speed, when the water-cooled tank 118 of its outlet side by being positioned at each rolling equipment 110, also can cool off effectively, the temperature that causes because of rolling deformation with control rises, thereby can be rolled processing under workpiece 111 keeps suitable, stationary temperature.
Then, when changing product, when the diameter of workpiece 111 etc. need to change, the operating axis 127 of the spiral screwdown gear of milling train 113 and 115 is rotated to desired direction.So eccentric adjusting sleeve 121 just rotates, gap between the change roll 112 and the gap between the roll 114.Therefore, if the workpiece of new product 111 infeeds in the rolling equipment 110, just can apply needed rolling processing by two pairs of relative rolls 112 and 114 pairs of workpiece 111.
Adopt some covers respectively to have the rolling equipment 110 of a pair roller 112 and a pair roller 114, and it is these roll arrangement one-tenth are adjacent to each other along the upstream side and the downstream of the rolling pass line of workpiece, its centre-to-centre spacing P is not more than 1.2 times of roller diameter, just can constitute one does not have the piece-holder guider, the production line of being made up of milling train.In other words, because of product changes the adjustment cause and which numerous and diverse operation of checking the clamping guider just can have been cancelled, the result, just can reduce the loss of time of causing because of the product change, improved production efficiency.In addition, also do not had, and the total length of the production line of rolling equipment also can shorten, thereby can more effectively utilize the area in workshop owing to the substandard products that exist the clamping guider to produce.
Here should also be noted that embodiment described above is the situation that forms two passes between each breaker roll.But the quantity of pass also can be one or more than two.This a pair of milling train that constitutes every suit rolling equipment also can be driven by independent drive motors respectively.In addition, above-mentioned cooling device also is not limited to said water-cooled tank among the embodiment, also can use other cooling devices.In addition, the production line of this nothing guiding milling train can be applied to the production line of all kinds: roughing mill production line, intermediate mill production line and finishing mill production line.The benchmark of the lateral attitude that roll is with respect to the horizontal plane set also can be at the rotation of the roll on the milling train of downstream (second).The rotation of first roll in first milling train (milling train), and the rotation of second roll in second milling train (another milling train) is not 90 degree that must stagger mutually, and can be to approach the right angle.
In brief, being constructed as follows according to the production line of the guidefree rolling apparatus of second aspect present invention:
The rolling pass line PL that many rolling equipments 110 are arranged to send to along it with workpiece 111 aims at.Every suit rolling equipment 110 all comprises a pair of upstream side of rolling pass line and the milling train 113 and 115 in downstream of being arranged in.Each milling train 113 (115) has a pair roller 112 (114).Above-mentioned two milling trains 113 and 115 are arranged to centre-to-centre spacing between roll 112 and 114 and are not more than 1.2 times of roller diameter.The rotation of the roll in a milling train 113 and the rotation of the roll 114 in another milling train 115 stagger and roughly meet at right angles, and the rotation that is used as the roll 112 in the milling train 113 of benchmark is inclined relative to horizontal 20 and spends to the angle of 90 degree.In rolling equipment 110, the downstream of the rolling pass line that the position of milling train 115 is sent to along it at workpiece 111, it is designed to have the pass 117 of a circle, so that workpiece 111 rolling conglobate section configurations.Cooling device 118 is arranged on the exit of every suit rolling equipment 110.
As mentioned above, according to reversible guidefree rolling apparatus of the present invention, owing to the centre-to-centre spacing of the roll between two milling trains is very short, so, also can successfully finish the rolling of workpiece even without the clamping guider.That is, do not have the clamping guider of workpiece can simplify the structure of rolling equipment and the total length of shortening rolling equipment, reach the purpose of reducing expenses.In addition, can also eliminate, and advantageously cancel the adjustment that to carry out because of the product change and checked operation owing to the substandard products that exist the clamping guider to produce.
Because the pass on the roll in each milling train all is designed to have and can be used as oval pass, can be used as round pass again, thus can the very big workpiece of rolling size range once the cover roll, and several cover rolls the rolling size range of energy just bigger.Therefore, the storage management of roll has been simplified, and the expense of equipment has reduced.
Meanwhile, on production line according to the nothing of another aspect of the present invention guiding milling train, adopt to have two pairs separately and lean on very closely mutually, centre-to-centre spacing is very short, the rolling equipment of the roll of aiming at the rolling pass line of workpiece, can be when not having the clamping guider rolling workpiece easily.In other words, cancelled the clamping guider of workpiece, reaching the structure of simplifying rolling equipment, and the purpose that shortens the total length of rolling equipment production line, thereby reduce cost.In addition, can also eliminate, and advantageously cancel the adjustment that to carry out because of the product change and checked operation owing to the substandard products that exist the clamping guider to produce.
In addition, because the workpiece of sending out from each rolling equipment all has circular transverse shape, and, owing to be provided with cooling device in the exit of each rolling equipment, so workpiece can be cooled to suitable temperature (prevent temperature from raising) equably, and do not need the cooling of pressurizeing.
For those skilled in the art, clearly, under the prerequisite that does not break away from design of the present invention or scope, the present invention can implement with many other specific modes.
Therefore, example described above and embodiment are illustrative, rather than restrictive, and the present invention is not limited only to the example of above detailed description, but can carry out improved in claims institute restricted portion.
Claims (2)
1. reversible guidefree rolling apparatus that is used for rolling workpiece (11), when this workpiece (11) is reciprocating along rolling pass line (PL), described rolling equipment is wanting rolling described workpiece to be rolled into needed transverse shape, wherein, two milling trains (12,13) along rolling pass line (PL) arranged in series of this workpiece (11), these two milling trains respectively have a pair roller (17; 19), described roll limits many passes (21 that are used for rolling described workpiece (11) vertically, 23), make described roll (17) in the described milling train (12) and the centre-to-centre spacing (P) between the described roll (19) in another described milling train (13) be not more than 1.5 times of roller diameter, the rotation of the described roll (17) in a described milling train (12) be displaced to another described milling train (13) in the rotation of described roll (19) almost meet at right angles, and at these two milling trains (12,13) these rolls (17 in, 19) be designed to the direction superior displacement that intersects at this rolling pass line (PL) with this workpiece (11), so that each described pass (21,23) can both aim at described rolling pass line (PL), wherein, the described pass (21 of some, 23) in every described milling train (12,13), be disposed in a pair of described roll (17; 19) described axially on, these passes can be used as oval groove, also can be used as round pass, above-mentioned pass (21,23) is designed to by adjusting described roll (17; 19) gap between and can be used as oval groove also can be used as round pass.
2. reversible guidefree rolling apparatus as claimed in claim 1 is characterized in that, the described roll (17) in another described milling train (12), be designed to relative horizontal plane as the described rotation of standard and tilt 20 to spend an angle of 90 degrees.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000250228A JP2002066615A (en) | 2000-08-21 | 2000-08-21 | Line of guideless rolling mill |
| JP250228/00 | 2000-08-21 | ||
| JP250228/2000 | 2000-08-21 | ||
| JP251329/2000 | 2000-08-22 | ||
| JP2000251329A JP2002066616A (en) | 2000-08-22 | 2000-08-22 | Reversible guideless rolling device |
| JP251329/00 | 2000-08-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1339341A CN1339341A (en) | 2002-03-13 |
| CN1236868C true CN1236868C (en) | 2006-01-18 |
Family
ID=26598191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011257466A Expired - Fee Related CN1236868C (en) | 2000-08-21 | 2001-08-21 | Reversible guidefree rolling apparatus |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20020023471A1 (en) |
| EP (1) | EP1181990A3 (en) |
| KR (1) | KR20020015263A (en) |
| CN (1) | CN1236868C (en) |
| TW (1) | TW520304B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2777060C1 (en) * | 2022-02-22 | 2022-08-01 | Общество с ограниченной ответственностью "Ижевский крановый завод" | Machine for the manufacture of auger spiral |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3968435B2 (en) * | 2003-05-20 | 2007-08-29 | 独立行政法人物質・材料研究機構 | Large strain introduction processing method and caliber rolling equipment |
| TW201307576A (en) * | 2011-08-10 | 2013-02-16 | Zhi-Hong Chen | Processing method of alloy steel wire |
| CN102371270A (en) * | 2011-08-31 | 2012-03-14 | 杭州星冠机械科技有限公司 | Rolling and shaping box for double roller wire rods |
| CN103785685B (en) * | 2014-01-24 | 2015-12-16 | 中冶赛迪工程技术股份有限公司 | Four roller diameter fixing and reducing machines |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE39668C (en) * | G. BALTHASAR in Hollerich bei Luxemburg | Universal rolling mill for bar iron | ||
| JP3042552B2 (en) * | 1991-10-29 | 2000-05-15 | 大同特殊鋼株式会社 | Rolling equipment |
| US6035685A (en) * | 1995-01-30 | 2000-03-14 | Morgan Construction Company | Rolling unit |
| CA2187720C (en) * | 1995-10-14 | 2005-06-14 | Kohachiro Ohashi | Method and an apparatus for manufacturing wire |
| JP2802745B2 (en) * | 1996-01-04 | 1998-09-24 | 章 小澤 | Continuous rolling equipment |
| JPH11221603A (en) * | 1998-02-03 | 1999-08-17 | Daido Steel Co Ltd | Rolling device |
-
2001
- 2001-04-23 TW TW090109624A patent/TW520304B/en not_active IP Right Cessation
- 2001-04-30 KR KR1020010023429A patent/KR20020015263A/en active IP Right Grant
- 2001-06-21 EP EP01115102A patent/EP1181990A3/en not_active Withdrawn
- 2001-06-28 US US09/894,750 patent/US20020023471A1/en not_active Abandoned
- 2001-08-21 CN CNB011257466A patent/CN1236868C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2777060C1 (en) * | 2022-02-22 | 2022-08-01 | Общество с ограниченной ответственностью "Ижевский крановый завод" | Machine for the manufacture of auger spiral |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020015263A (en) | 2002-02-27 |
| US20020023471A1 (en) | 2002-02-28 |
| CN1339341A (en) | 2002-03-13 |
| EP1181990A2 (en) | 2002-02-27 |
| TW520304B (en) | 2003-02-11 |
| EP1181990A3 (en) | 2004-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1261243C (en) | Rolling method for plate mill and rolling equipment for plate | |
| CN2368626Y (en) | Roll forming apparatus | |
| CN1223417C (en) | Method of rolling worm gear and worm gear | |
| CN101574705B (en) | Two transmission shaft and four roller cross adjustable universal rolling mill and universal continuous rolling mill set formed by same | |
| CN1079923A (en) | A kind of rolling-mill housing that is used to have the conventional mill of three or more adjustable driven rolls | |
| CN204639885U (en) | A kind of pay-off of stainless steel tube polishing machine | |
| CN110883554A (en) | Intelligent flexible roll bending forming welded pipe unit | |
| CN201579349U (en) | Rolling spinning roller type reinforcement bar straightening mechanism | |
| CN1236868C (en) | Reversible guidefree rolling apparatus | |
| CN116000353A (en) | Eccentric adjusting mechanism and eccentric adjusting method suitable for robot hole milling | |
| CN201471071U (en) | Seam welder of automatic reducing reinforcement cage | |
| CN1221335C (en) | Rolling mill and rolling-mill group | |
| CN104624898A (en) | Universal single-beating-head vertical high-speed cold roll-beating machine tool | |
| CN202984297U (en) | Online hot chamfering cooling bed for hot rolling bars | |
| CN1272119C (en) | Rolling mill for wire rod material and tandem mill set | |
| CN1253260C (en) | Pipe rolling method and rolling mill | |
| CN201150936Y (en) | Novel conveyor roller of aluminum sheet hot milling machine | |
| CN208450653U (en) | Drilling equipment is used in a kind of processing of flanged yoke | |
| CN105666286A (en) | End surface groove machining forming equipment for bearing inner rings | |
| CN105964694B (en) | High precision excircle roll squeezer | |
| CN1184219A (en) | Point-line contacted biased worm gearing and its manufacture | |
| CN201214103Y (en) | Double transmission shaft four roll cross adjustable universal rolling mill and universal continuous rolling mills constituted thereby | |
| CN1059616C (en) | Steel ball bloom continuous rolling mill | |
| CN111774419A (en) | Square pipe rolling device and square pipe sizing machine applying same | |
| CN205887657U (en) | High accuracy excircle roll squeezer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |