Background
The steel sheet can produce in process of production and buckle, need use the straightener to level and straighten, and the straightener is through the rotation of press roll about motor drive, and the extrusion effect of press roll is mainly fixed knot structure with the steel sheet straightening about utilizing, the present straightener about the press roll, consequently to the steel sheet of different thickness, it is comparatively inconvenient to use.
In order to solve the problems, the Chinese patent with the patent publication number of CN208712559U provides a steel plate straightening device, which comprises a conveying roller way, a straightening device body, an elevator shaft, a cylinder, straightening rollers and a discharging roller way, wherein the conveying roller way is connected and arranged on one side of the straightening device body, the discharging roller way is connected and arranged on the other side of the straightening device body, the cylinder is arranged on the straightening device body, the elevator shaft is arranged on the cylinder, a plurality of straightening rollers are equidistantly arranged on the elevator shaft in a row, and the other row of straightening rollers are arranged on the straightening device body and are matched with the straightening rollers arranged on the elevator shaft.
The technical scheme can realize the adjustment of the distance between the straightening rollers through the lifting straightening rollers so as to adapt to the straightening operation of steel plates with different thicknesses. However, in the actual production, referring to the attached figure 3 of the specification, edge wave defects are easily generated due to poor control of the temperature, the rolling force, the roll bending force, the strip steel length and the like in the rolling process of the strip steel, namely wave warping exists on two sides of the steel plate to be processed. Therefore, after the steel plate enters the straightening machine, the steel plate needs to be straightened repeatedly, the workload is large, and the production efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a steel sheet straightening machine flattens in advance through treating the processing steel sheet, reduces repeated straightening number of times, reduces work load, improves production efficiency.
The utility model discloses a can realize through following technical scheme:
the utility model provides a steel sheet straightening machine, includes the frame, the both sides that the frame set up relatively have set firmly fixed end plate respectively, two it is provided with a plurality of lower straightening rollers to rotate between the fixed end plate, it is provided with movable end plate to go up and down directly over the fixed end plate, equidistant rotation is provided with a plurality of last straightening rollers on the movable end plate, the frame has set firmly the arc concave station in the feed end, it is provided with the crossbeam to go up and down directly over the arc concave station, the both ends of crossbeam swing respectively are provided with the swing arm, two the swing arm is close to the articulated pre-compression roller that is connected with simultaneously of one end of arc concave station.
By adopting the technical scheme, the starting end of the steel plate to be processed is placed on the arc-shaped concave table, the swing arm drives the prepressing roller to swing in a reciprocating mode, the swing path of the prepressing roller is matched with the arc-shaped surface of the arc-shaped concave table, the steel plate to be processed is extruded, and the steel plate to be processed with a wavy cross section is flattened to form an arc shape. Meanwhile, the rotary extrusion of the extrusion roller further improves the leveling effect. The steel plate enters a straightening space formed between the upper straightening roll and the lower straightening roll, and the steel plate is straightened by utilizing the extrusion effect of the upper straightening roll and the lower straightening roll. Compared with the prior art, the method reduces the times of repeated straightening and the workload of straightening, thereby improving the production efficiency
Further setting the following steps: a rod shaft is rotatably arranged on the cross beam, driving rods are fixedly arranged at two ends of the rod shaft respectively, a driven connecting rod is hinged between the driving rods and the swing arm, and one end of the rod shaft is connected with a pre-pressing motor through a belt wheel and a belt in a transmission mode.
By adopting the technical scheme, the prepressing motor drives the rod shaft to rotate, and the swing arm is driven to swing through the linkage action of the driving rod and the driven connecting rod, so that the prepressing roller rolls on the arc-shaped concave table in a reciprocating manner, and the steel plate to be processed with a wavy section is prepressed and bent into an arc shape.
Further setting the following steps: a lifting guide rail is fixedly arranged on the rack, and two ends of the cross beam are respectively in sliding fit with the lifting guide rail; the top of the lifting guide rail is fixedly provided with a sealing plate, a lifting cylinder is fixedly arranged on the sealing plate, and a piston rod of the lifting cylinder penetrates through the sealing plate and is fixedly connected with the cross beam.
By adopting the technical scheme, the lifting cylinder adjusts the height of the cross beam so as to adapt to steel plates with different thicknesses, and the universality of the straightening machine is improved.
Further setting the following steps: the two ends of the rack are respectively and fixedly provided with a guide seat, the guide seats are provided with two sliding frames in a sliding manner, and the sliding frames are rotatably provided with deviation correcting rollers.
By adopting the technical scheme, the deviation rectifying channels are formed between the deviation rectifying rollers at the two ends of the rack, the horizontal shaking of the steel plate is limited, the moving straightness of the steel plate is ensured, and the straightening efficiency of the steel plate is prevented from being influenced by the deviation of the steel plate in the moving process.
Further setting the following steps: the dovetail groove is formed in the upper end face of the guide seat, the bottoms of the sliding carriages are in sliding fit with the dovetail groove, the bottoms of the two sliding carriages are threaded through with the double-threaded screw, and limiting plates rotatably connected with the double-threaded screw are fixedly arranged at two ends of the guide seat respectively.
Through adopting above-mentioned technical scheme, rotate double-end screw, drive the balladeur train and slide along the dovetail to adjust the both sides and rectify the distance between the roller, thereby adapt to the steel sheet of different width.
Further setting the following steps: the frame is provided with a sliding groove, two ends of the movable end plate are respectively in sliding fit with the sliding groove, and a lifting screw rod connected with the movable end plate in a rotating mode is arranged on the frame in a penetrating mode through threads.
By adopting the technical scheme, the lifting screw is rotated to adjust the distance between the upper straightening roll and the lower straightening roll, so that the pressing force is adjusted to adapt to steel plates with different thicknesses.
Further setting the following steps: the bottom of the frame is fixedly provided with a straightening motor, and the output end of the straightening motor is in transmission connection with any one of the lower straightening rollers through a belt wheel and a belt.
Through adopting above-mentioned technical scheme, straightening motor drive down the straightening roller and rotate, utilize the frictional force between lower straightening roller and the steel sheet to the drive steel sheet moves along the direction of feed.
To sum up, the utility model discloses a beneficial technological effect does:
(1) the pre-pressing roller is matched with the arc-shaped concave table in a rolling mode, the steel plate to be processed is extruded and pre-leveled, and compared with the prior art, the number of times of repeated straightening is reduced, the straightening workload is reduced, and therefore production efficiency is improved.
(2) The lifting screw rod is rotated to drive the movable end plate to slide along the sliding groove, so that the distance between the upper straightening roller and the lower straightening roller is adjusted to adapt to steel plates with different widths.
(3) The horizontal screw rod is rotated, so that the distance between the deviation rectifying rollers on the two sides of the rack can be adjusted, and the steel plate rack is suitable for steel plates with different widths.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1 and 2, for the utility model discloses a steel plate straightening machine, including frame 1, frame 1 has set firmly arc concave station 2 in the feed end, and the upper end of arc concave station 2 is inside sunken arc. A cross beam 3 is arranged right above the arc-shaped concave table 2 in a lifting mode, lifting guide rails 4 are fixedly arranged on two sides of the arc-shaped concave table 2 of the rack 1 respectively, and the two ends of the cross beam 3 in the length direction are in sliding fit with the lifting guide rails 4 respectively. The top of lifting guide 4 sets firmly shrouding 5, and the up end of shrouding 5 sets firmly lift cylinder 6, and lift cylinder 6's piston rod runs through shrouding 5 and with crossbeam 3 fixed connection. The two ends of the beam 3 in the length direction are respectively hinged with swing arms 7, and one ends of the two swing arms 7 close to the arc-shaped concave table 2 are simultaneously hinged with prepressing rollers 8. The beam 3 is provided with a rod shaft 9 along the length direction in a penetrating way, two ends of the rod shaft 9 are respectively and fixedly provided with a driving rod 10, and a driven connecting rod 11 is hinged between the driving rod 10 and the swing arm 7. One end of the rod shaft 9 is fixedly provided with a first driven belt wheel, the upper end face of the cross beam 3 is fixedly provided with a pre-pressing motor 12, the output end of the pre-pressing motor 12 is fixedly provided with a first driving belt wheel, and the first driving belt wheel is in transmission connection with the first driven belt wheel through a belt.
The prepressing motor 12 drives the rod shaft 9 to rotate, and the swing arm 7 is driven to swing through the linkage effect of the driving rod 10 and the driven connecting rod 11, so that the prepressing roller 8 rolls on the upper end face of the arc-shaped concave table 2 in a reciprocating mode, a steel plate to be processed is extruded, and the steel plate to be processed with a wavy cross section is flattened to form an arc shape. Meanwhile, the rotary extrusion of the extrusion roller further improves the leveling effect.
Referring to fig. 1, two opposite sides of a frame 1 are respectively and fixedly provided with a fixed end plate 13, three lower straightening rollers 14 are rotatably arranged between the two fixed end plates 13 through bearings, the three lower straightening rollers 14 are arranged at equal intervals, and the highest point of the three lower straightening rollers is arranged at the same height as the highest point of an arc-shaped concave platform 2. A movable end plate 15 is arranged right above the fixed end plate 13 in a lifting mode, two upper straightening rollers 16 are arranged between the two movable end plates 15 in a rotating mode through bearings, and the upper straightening rollers 16 and the lower straightening rollers 14 are arranged in a staggered mode. The bottom of the frame 1 is fixedly provided with a straightening motor 17, the output end of the straightening motor 17 is fixedly provided with a second driving belt pulley, one end of any one lower straightening roller 14 is fixedly provided with a second driven belt pulley, and the second driving belt pulley and the second driven belt pulley are in transmission connection through a belt. The straightening motor 17 drives the lower straightening roll 14 to rotate, and the steel plate is driven to move along the feeding direction by the friction force between the lower straightening roll 14 and the steel plate. The steel plate enters a straightening space formed between the upper straightening roll 16 and the lower straightening roll 14 after being pre-leveled, and is straightened by utilizing the extrusion effect of the upper straightening roll and the lower straightening roll. The frame 1 has seted up spout 18 along vertical direction, and the both ends of activity end plate 15 respectively with spout 18 sliding fit, the top screw thread of frame 1 is worn to be equipped with lifting screw 19, and lifting screw 19's one end is rotated with the middle part of activity end plate 15 and is connected, and the other end has set firmly adjusting hand wheel 20. The adjusting hand wheel 20 is rotated to drive the movable end plate 15 to slide along the chute 18, so that the distance between the upper straightening roll 16 and the lower straightening roll 14 is adjusted to adapt to steel plates with different thicknesses.
Referring to fig. 1, the two ends of the frame 1 in the feeding direction are respectively and fixedly provided with a guide seat 21, the upper end surface of the guide seat 21 is provided with a dovetail groove 22, the dovetail groove 22 is provided with two sliding carriages 23 in a sliding manner, the cross section of each sliding carriage 23 is concave, the concave parts of the two sliding carriages 23 are arranged oppositely, and the sliding carriages 23 are provided with a deviation rectifying roller 24 through a rotating shaft in a rotating manner. The bottom of balladeur train 23 is worn to be equipped with double threaded screw 25 along the horizontal direction screw thread simultaneously, and the both ends of guide holder 21 set firmly respectively with the double threaded screw 25 rotate the limiting plate 26 of being connected, and one of them limiting plate 26 is run through and set firmly adjusting hand wheel 20 to the one end of double threaded screw 25. The adjusting hand wheel 20 is rotated to drive the sliding frame 23 to slide along the dovetail groove 22, so that the horizontal distance of the deviation rectifying rollers 24 on the two sides is adjusted to adapt to steel plates with different widths, and the practicability is further improved.
The utility model discloses a theory of operation and beneficial effect do:
firstly, the starting end of a steel plate to be processed is placed on the upper end face of the arc-shaped concave table 2, the pre-pressing motor 12 drives the rod shaft 9 to rotate, and the swing arm 7 is driven to swing through the linkage effect of the driving rod 10 and the driven connecting rod 11, so that the pre-pressing roller 8 rolls on the upper end face of the arc-shaped concave table 2 in a reciprocating mode, the steel plate to be processed is extruded and pre-leveled, and the steel plate to be processed with a wavy section is flattened to form an arc shape. Then, the lifting screw 19 is rotated to control the upper straightening roll 16 to be far away from the lower straightening roll 14, the pre-leveled steel plate is placed in a straightening space formed by the upper straightening roll 16 and the lower straightening roll 14, then the lifting screw 19 is rotated to control the upper straightening roll 16 to be close to the lower straightening roll 14, and the pressing force of the upper straightening roll 16 and the lower straightening roll 14 on the steel plate is adjusted. The straightening motor 17 drives the lower straightening roll 14 to rotate, and the steel plate is driven to move along the feeding direction by using the friction force between the lower straightening roll 14 and the steel plate, so that the steel plate is straightened.
The utility model discloses a pre-pressure roller 8 and the roll cooperation of arc concave station 2 treat the processing steel sheet and extrude flattening in advance, compare in prior art, reduced the number of times of repeated straightening, reduced straightening work load to production efficiency has been improved. Meanwhile, the steel plate fixing device can adapt to steel plates with different thicknesses and widths, and is high in practicability.
The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.