CN103182407B - Isometrical four line multiple roll convex spline straightening mechanisms - Google Patents
Isometrical four line multiple roll convex spline straightening mechanisms Download PDFInfo
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- CN103182407B CN103182407B CN201310061087.9A CN201310061087A CN103182407B CN 103182407 B CN103182407 B CN 103182407B CN 201310061087 A CN201310061087 A CN 201310061087A CN 103182407 B CN103182407 B CN 103182407B
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Abstract
The present invention relates to a kind of isometrical four line multiple roll convex spline straightening mechanisms, comprise frame and two row replaceable straightening roller systems, two row replaceable straightening roller systems are set in parallel in frame, and it is symmetrical, form two row disymmetry roller systems, often row roller system is by left and right traction unit, left and right resistance straightening unit, and anti-twist cell is formed; The lower roll line of centres in anti-twist cell forms an isosceles trapezoid, make to arrange in " convex " shape in the middle part of roller system, in spline in anti-twist cell, each roller of pressure roller group is under the effect of corresponding handwheel, with the corresponding roller interphase interaction of spline lower compression roller group, forms spline jaw.Its advantage is: can align the isometrical bar of four row simultaneously and effectively prevent bar rotation around own axes in straightening process, eliminates the original curved curvature residual error of bar to a great extent simultaneously.Bar can realize the object of macrobending, equi-curvature scotch aligning through isometrical four line multiple roll convex spline straightening mechanisms.
Description
Technical field
The invention belongs to metallurgy industry bar straightening, cutting apparatus field, particularly a kind of isometrical four line multiple roll convex spline straightening mechanisms of bar of roll-type bar straightening cutting machine.
Background technology
At present, often adopt single aligning in bar aligning production process, aligning efficiency is low.Meanwhile, parallel roller type bar straightener when aligning bar, due to the reason such as release of bar elastic deformation energy during the uncoiling of wire rod bar, make bar in straightening process around own axes rotation, especially double thread bar, rib surface tear is serious, has a strong impact on the service property (quality) of bar; Meanwhile, because the deformation plane of bar is uncertain, make bar after aligning, internal stress increases, thus makes the leveling effect of bar undesirable, does not reach instructions for use.
Summary of the invention
The object of the invention is the aligning efficiency in order to improve in bar production process, solve bar skimble-scamble problem of original curved rate around own axes rotation and bar in straightening process, a kind of isometrical four line multiple roll convex spline straightening mechanisms are provided, the aligning efficiency of bar can improve in this mechanism, and can effectively prevent bar around the rotation of own axes when bar is aligned, the object of unified bar original curved curvature can be reached simultaneously.
The technical solution adopted in the present invention is:
A kind of isometrical four line multiple roll convex spline straightening mechanisms, comprise left frame, right frame, first row replaceable straightening roller system, secondary series replaceable straightening roller system, roller of the present invention is two row disymmetry roller systems, left frame and right frame be arranged in parallel, first row replaceable straightening roller system is arranged on left frame, secondary series replaceable straightening roller system is arranged in right frame, first row replaceable straightening roller system is identical with secondary series replaceable straightening roller system structure, two row roller systems are interconnected by the Synchronous Transmission axle be arranged in parallel, often row roller system is by left and right traction unit, left and right resistance straightening unit, anti-twist cell is formed; Anti-twist cell is placed in the middle, and left traction unit, left resistance straightening unit and right resistance straightening unit, right traction unit are arranged at the both sides of anti-twist cell symmetrically, and position is lower than anti-twist cell; Left and right traction unit is made up of the upper and lower carry-over pinch rolls of the upper and lower carry-over pinch rolls in a left side and the right side respectively, and left and right resistance straightening unit is made up of the upper and lower smoothing roll group of a left side upper and lower smoothing roll group and the right side respectively; Anti-twist cell by left and right upper guide roller, left and right lower steering roll, pressure roller group in spline, spline lower compression roller group form; The line of centres of left and right lower carry-over pinch rolls and left and right lower smoothing roll group is in same level, and left and right upper carry-over pinch rolls and left and right upper straightening roll group and lower carry-over pinch rolls and lower smoothing roll assembly are closed; The line of centres of spline lower compression roller group is in same level, left and right lower steering roll is separately positioned between the right roller of spline lower compression roller group and lower-left smoothing roll group and the left roller of bottom right smoothing roll group, and the line of centres of the left roller of the right roller of lower-left smoothing roll group, lower-left guide roller, spline lower compression roller group, bottom right guide roller, bottom right smoothing roll group forms an isosceles trapezoid.
In described first row replaceable straightening roller system and secondary series replaceable straightening roller system, all rollers have identical angular speed;
The roll shape groove of described first row replaceable straightening roller system and secondary series replaceable straightening roller system middle roller is two-wire groove;
The roll shape trench bottom of described smoothing roll or carry-over pinch rolls with wait that the circumferential surface aligning bar is tangent;
In described first row replaceable straightening roller system and secondary series replaceable straightening roller system, all top rolls are equipped with adjusting handle, and adjusting handle passes through slide block, spring action in corresponding lower roll;
In spline in described anti-twist cell, each roller of pressure roller group is under the effect of corresponding handwheel, with the corresponding roller interphase interaction of spline lower compression roller group, forms spline jaw.
The invention has the beneficial effects as follows: this mechanism is configured at bar straightener production line, the isometrical bar of four row can be aligned simultaneously, enhance productivity, reduce costs; Roller system " convex " shape allocation plan can prevent bar rotation around own axes when aligning effectively, and has unified the original curved curvature of bar, and then realizes the iso-curvature aligning of follow-up roller system.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, specific description is in detail done further to the specific embodiment of the present invention.
Fig. 1 is the structural representation of isometrical four line multiple roll convex spline straightening mechanisms;
Fig. 2 is isometrical four line multiple roll convex spline straightening mechanism A-A sectional views;
Fig. 3 is the structural representation top view of isometrical four line multiple roll convex spline straightening mechanisms.
In the drawings: I, left traction unit, II, left resistance straightening unit, III, anti-twist cell, 1, upper left carry-over pinch rolls, 2, lower-left carry-over pinch rolls, 3, first upper left smoothing roll, 4, first lower-left smoothing roll, 5, second upper left smoothing roll, 6, second lower-left smoothing roll, 7, 3rd upper left smoothing roll, 8, 3rd lower-left smoothing roll, 9, upper left guide roller, 10, lower-left guide roller, 11, first anti-torsion top roll, 12, first anti-torsion lower roll, 13, second anti-torsion top roll, 14, 3rd anti-torsion top roll, 15, second anti-torsion lower roll, 16, upper right guide roller, 17, bottom right guide roller, 18, first upper right smoothing roll, 19, first bottom right smoothing roll, 20, second upper right smoothing roll, 21, second bottom right smoothing roll, 22, 3rd upper right smoothing roll, 23, 3rd bottom right smoothing roll, 24, upper right carry-over pinch rolls, 25, bottom right carry-over pinch rolls, 26, left frame, 27, right frame, 28, power transmission shaft, 29, drive sprocket, 30, driving-chain, 31, handwheel, 32, slide block, 33 bars.
Detailed description of the invention
For further setting forth the present invention for the technological means reaching predetermined goal of the invention and take and effect, below in conjunction with accompanying drawing, to isometrical four its detailed description of the invention of line multiple roll convex spline straightening mechanism proposed according to the present invention, structure, feature and effect thereof, be described in detail as follows.
With reference to accompanying drawing, comprise left frame 26, right frame 27, first row replaceable straightening roller system, secondary series replaceable straightening roller system, left frame and right frame be arranged in parallel, first row replaceable straightening roller system is arranged on left frame, secondary series replaceable straightening roller system is arranged in right frame, first row replaceable straightening roller system is identical with secondary series replaceable straightening roller system structure, two row roller systems are interconnected by the Synchronous Transmission axle 28 be arranged in parallel, power transmission shaft is provided with drive sprocket 29, driving-chain 30 is provided with between drive sprocket, at power transmission shaft 28, drive sprocket 29, driving-chain 30 acting in conjunction, for whole mechanism input power, all rollers have identical angular speed.Often row roller system is by left and right traction unit, left and right resistance straightening unit, and anti-twist cell is formed; Anti-twist cell is placed in the middle, and left traction unit, left resistance straightening unit and right resistance straightening unit, right traction unit are arranged at the both sides of anti-twist cell symmetrically, and position is lower than anti-twist cell; Left and right traction unit is made up of the upper and lower carry-over pinch rolls 24,25 of the upper and lower carry-over pinch rolls in a left side 1,2 and the right side respectively, left resistance straightening unit comprises the first upper left smoothing roll 3, first lower-left smoothing roll 4, second upper left smoothing roll 5, second lower-left smoothing roll 6, the 3rd upper left smoothing roll 7, the 3rd lower-left smoothing roll 8, and right resistance straightening unit comprises the first upper right smoothing roll 18, first bottom right smoothing roll 19, second upper right smoothing roll 20, second bottom right smoothing roll 21, the 3rd upper right smoothing roll 22, the 3rd bottom right smoothing roll 23; Anti-twist cell by left and right upper guide roller 9,16, left and right lower steering roll 10,17, pressure roller group in spline, spline lower compression roller group form; In spline, pressure roller group comprises the anti-torsion top roll 13 of the first anti-torsion top roll 11, second, the 3rd anti-torsion top roll 14, spline lower compression roller group comprises the anti-torsion lower roll 15 of the first anti-torsion lower roll 12, second, the line of centres of left and right lower carry-over pinch rolls and left and right lower smoothing roll group is in same level, and left and right upper carry-over pinch rolls and left and right upper straightening roll group and lower carry-over pinch rolls and lower smoothing roll assembly are closed; The line of centres of spline lower compression roller group is in same level, left and right lower steering roll is separately positioned between the right roller of spline lower compression roller group and lower-left smoothing roll group and the left roller of bottom right smoothing roll group, and the line of centres of the 3rd lower-left smoothing roll 8, the anti-torsion lower roll 15 of lower-left guide roller the 10, first anti-torsion lower roll 12, second, bottom right guide roller 17, first bottom right smoothing roll 19 forms an isosceles trapezoid, that is: the line of centres is arranged in " convex " shape.In first row replaceable straightening roller system of the present invention and secondary series replaceable straightening roller system, all top rolls are equipped with adjusting handle 31, adjusting handle is by under the effect of slide block 32, Compress Spring makes bar 33 under the acting in conjunction of upper left carry-over pinch rolls 1, lower-left carry-over pinch rolls 2, through upper left smoothing roll (3,5,7), lower-left smoothing roll (4,6,8), enter upper left guide roller 9 and lower-left guide roller 10 region, under the effect of tractive force, bar enters right side resistance straightening unit and traction unit through anti-torsion top roll (11,13,14), anti-torsion lower roll (12,15).
Fig. 2 is isometrical four line multiple roll convex spline straightening mechanism A-A sectional views.Under the effect of handwheel 31, through slide block 32, compression adjustment spring makes anti-torsion top roll (11,13,14) and anti-torsion lower roll (12,15) interact, and forms spline jaw.The line of centres is arranged in " convex " shape, effectively can prevent bar rotation around own axes in straightening process, eliminates the original curved curvature residual error of bar to a great extent simultaneously.Bar can realize macrobending, equi-curvature scotch through isometrical four line multiple roll convex spline straightening mechanisms, also can reach the object of unified curvature.
The present invention can align four isometrical bars at most simultaneously.As shown in Figure 2, the circumferential surface of bar and smoothing roll or carry-over pinch rolls roll shape trench bottom tangent, and roll shape groove is two-wire groove, and each roller can align two isometrical bars simultaneously.
For the bar of different-diameter, smoothing roll and the carry-over pinch rolls of different shaped groove can be used instead.For the different original curved curvature of bar of the same race, different drafts can be adopted to reach the object of spline and unified original curved curvature.
Claims (6)
1. isometrical four line multiple roll convex spline straightening mechanisms, comprise left frame, right frame, first row replaceable straightening roller system, secondary series replaceable straightening roller system, it is characterized in that: first row replaceable straightening roller system, secondary series replaceable straightening roller system is two row disymmetry roller systems, left frame and right frame be arranged in parallel, first row replaceable straightening roller system is arranged on left frame, secondary series replaceable straightening roller system is arranged in right frame, first row replaceable straightening roller system is identical with secondary series replaceable straightening roller system structure, two row roller systems are interconnected by the Synchronous Transmission axle be arranged in parallel, often row roller system is by a left side, right traction unit, left, right resistance straightening unit, anti-twist cell is formed, anti-twist cell is placed in the middle, left traction unit, left resistance straightening unit and right resistance straightening unit, right traction unit are arranged at the both sides of anti-twist cell, left traction unit and right traction unit symmetry, left resistance straightening unit and right resistance straightening unit symmetry, and the position of left and right traction unit and left and right resistance straightening unit is lower than anti-twist cell, left and right traction unit is made up of the upper and lower carry-over pinch rolls of the upper and lower carry-over pinch rolls in a left side and the right side respectively, and left and right resistance straightening unit is made up of the upper and lower smoothing roll group of a left side upper and lower smoothing roll group and the right side respectively, anti-twist cell by left and right upper guide roller, left and right lower steering roll, pressure roller group in spline, spline lower compression roller group form, the line of centres of lower-left carry-over pinch rolls, bottom right carry-over pinch rolls, lower-left smoothing roll group, bottom right smoothing roll group is in same level, and left and right upper carry-over pinch rolls coordinate with left and right lower carry-over pinch rolls, and left and right upper straightening roll group and left and right lower smoothing roll assembly are closed, the line of centres of spline lower compression roller group is in same level, left and right lower steering roll is separately positioned between the right roller of spline lower compression roller group and lower-left smoothing roll group and the left roller of bottom right smoothing roll group, and the line of centres of the left roller of the right roller of lower-left smoothing roll group, lower-left guide roller, spline lower compression roller group, bottom right guide roller, bottom right smoothing roll group forms an isosceles trapezoid.
2. isometrical four line multiple roll convex spline straightening mechanisms according to claim 1, is characterized in that: in described first row replaceable straightening roller system and secondary series replaceable straightening roller system, all rollers have identical angular speed.
3. isometrical four line multiple roll convex spline straightening mechanisms according to claim 1, is characterized in that: the roll shape groove of described first row replaceable straightening roller system and secondary series replaceable straightening roller system middle roller is two-wire groove.
4. isometrical four line multiple roll convex spline straightening mechanisms according to claim 1, is characterized in that: the roller in described smoothing roll group or the roll shape trench bottom of carry-over pinch rolls with wait that the circumferential surface aligning bar is tangent.
5. isometrical four line multiple roll convex spline straightening mechanisms according to claim 1, it is characterized in that: in described first row replaceable straightening roller system and secondary series replaceable straightening roller system, all top rolls are equipped with adjusting handle, and adjusting handle passes through slide block, spring action in corresponding lower roll.
6. isometrical four line multiple roll convex spline straightening mechanisms according to claim 5, it is characterized in that: in the spline in described anti-twist cell, each roller of pressure roller group is under the effect of corresponding handwheel, with the corresponding roller interphase interaction of spline lower compression roller group, form spline jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061087.9A CN103182407B (en) | 2013-02-27 | 2013-02-27 | Isometrical four line multiple roll convex spline straightening mechanisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310061087.9A CN103182407B (en) | 2013-02-27 | 2013-02-27 | Isometrical four line multiple roll convex spline straightening mechanisms |
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| Publication Number | Publication Date |
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| CN103182407A CN103182407A (en) | 2013-07-03 |
| CN103182407B true CN103182407B (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310061087.9A Expired - Fee Related CN103182407B (en) | 2013-02-27 | 2013-02-27 | Isometrical four line multiple roll convex spline straightening mechanisms |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB156957A (en) * | 1919-11-05 | 1921-01-20 | George Baehr | Improvements in composite rolls for rolling mills |
| US4876873A (en) * | 1986-11-26 | 1989-10-31 | M.E.P. Macchine Elettroniche Piegatrici Spa | Antirotation method to straighten sections and antirotation straightening machine which employs such method |
| US5906128A (en) * | 1996-08-09 | 1999-05-25 | M.E.P. Macchine Elettroniche Piegatricia Spa | Drawing assembly for bending machines |
| CN1931470A (en) * | 2006-08-22 | 2007-03-21 | 燕山大学 | Equi-curvature scotch mechanism for steel bar straightener |
| CN102328007A (en) * | 2011-10-19 | 2012-01-25 | 建科机械（天津）股份有限公司 | Anti-torsion traction device for reinforcing bar hoop bending machine |
-
2013
- 2013-02-27 CN CN201310061087.9A patent/CN103182407B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB156957A (en) * | 1919-11-05 | 1921-01-20 | George Baehr | Improvements in composite rolls for rolling mills |
| US4876873A (en) * | 1986-11-26 | 1989-10-31 | M.E.P. Macchine Elettroniche Piegatrici Spa | Antirotation method to straighten sections and antirotation straightening machine which employs such method |
| US5906128A (en) * | 1996-08-09 | 1999-05-25 | M.E.P. Macchine Elettroniche Piegatricia Spa | Drawing assembly for bending machines |
| CN1931470A (en) * | 2006-08-22 | 2007-03-21 | 燕山大学 | Equi-curvature scotch mechanism for steel bar straightener |
| CN102328007A (en) * | 2011-10-19 | 2012-01-25 | 建科机械（天津）股份有限公司 | Anti-torsion traction device for reinforcing bar hoop bending machine |
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| CN103182407A (en) | 2013-07-03 |
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