Equi-curvature scotch mechanism for steel bar straightener
A straightening machine and equal curvature technology, which is applied in the field of curvature stop mechanism, can solve problems such as the instability of the deformation plane of steel bars, the large difference in the original curvature of steel bars, and the inconsistency of the original curvature of steel bars, etc., to achieve the effect of preventing rotation
Inactive Publication Date: 2007-03-21
YANSHAN UNIV
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Problems solved by technology
[0002] At present, when the parallel-roller steel bar straightening machine straightens the steel bar, the steel bar tends to rotate along the direction of its own axis during the bending process, and the original curvature of the steel bar is often quite different. In this way, the deformation plane of the steel bar is unstable. The second is that the original curvature of the steel bar is not uniform, which makes the straightening effect of the steel bar unsatisfactory
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[0016] Below in conjunction with accompanying drawing, present embodiment is described in detail:
[0017] Fig. 1 is an embodiment (seeing Fig. 1) disclosed by the present invention, the lower straightening roller 2 that two roller diameters are identical is installed on two drive shafts 10,14 of frame 7, the top of two lower straightening rollers 2 Go up straightening roll 5 is installed, and the roll diameter of top straightening roll 5 is greater than the roll diameter of bottom straightening roll 2, and all has notch 16 in the groove 26 of two bottom straightening rolls 2 and last straightening roll 5. The shaft 14 is installed in the inner ring of the rolling bearing 21, and is fixed on the slide block 18 by the end cover 20, and the screw and nut mechanism between the roller distance adjusting device 15 and the slide block 18. Rotating the roller gap adjusting device 15 can make the slide block 18 move on the guide rail 19 . After the adjustment is completed, it is lock...
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The present invention discloses one kind of equi-curvature rotation retaining mechanism for steel bar straightener; and features that the equi-curvature rotation retaining mechanism includes two side-by-side lower straightening rollers and one upper straightening roller on the lower straightening rollers, and that both the spacing between these two lower straightening rollers and the draught amount of the upper straightening roller may be regulated to adopt steel bars of different diameters. The present invention is installed inside the horizontal roller system of steel bar straightener to make steel bar generate plastic deformation. The present invention can control the rotation of the steel bar during being straightening and reach the equal curvature of the straightened steel bar to ensure the steel bar straightening quality.
Description
technical field [0001] The invention relates to a steel bar straightening machine, in particular to a curvature anti-rotation mechanism of the steel bar straightening machine. Background technique [0002] At present, when the parallel-roller steel bar straightening machine straightens the steel bar, the steel bar tends to rotate along the direction of its own axis during the bending process, and the original curvature of the steel bar is often quite different. In this way, the deformation plane of the steel bar is unstable. The second is that the original curvature of the steel bar is not uniform, which makes the straightening effect of the steel bar unsatisfactory. Contents of the invention [0003] In order to solve the above-mentioned problems existing in the parallel-roller steel bar straightening machine, the present invention provides a constant-curvature anti-rotation mechanism of the steel bar straightening machine, which prevents the self-rotation of the steel ba...
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IPC IPC(8): B21F1/02
Inventor 卢秀春
Owner YANSHAN UNIV