Control device for preventing steel billets on feeding roller way from taking away crane clamp

Abstract

The utility model discloses a control device for preventing a feeding roller way steel billet from taking away a crane clamp, which comprises a steel billet roller way seat, steel billet conveying rollers are uniformly arranged at the end part of the steel billet roller way seat, and sliding straightening positioning plates are arranged at the two ends of the steel billet conveying rollers in a sliding manner, so that the crane clamp lifts, clamps and moves the steel billet to the vertical upper end of a steel billet rail seat; at the moment, the air cylinder part pushes the lifting material receiving conveying table to be higher than the steel billet conveying roller to receive the steel billets clamped by the lathe clamp, and after the lifting material receiving conveying table descends to be in the same level with the steel billet conveying roller, the control switch is pressed to control the control box to enable the servo motor to start to drive the steel billet conveying roller to convey the steel billets; and in the state that the turning clamp is completely separated from the steel billet, the turning clamp descends and is conveyed by the steel billet conveying roller, so that the steel billet conveying roller acts only when the steel billet and the clamp are located at safety positions. And if the conditions are not met, the steel billet conveying roller is kept static, so that the risk of unhooking of the travelling crane clamp is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the steel production manufacturing technical field, concretely relates to a control device about preventing the crane clamp of the billet of the feeding roller from taking away. BACKGROUND

[0002] At present, in the process of billet transportation in the steel plant, the billet is usually moved from one position to another by the crane clamp. In this process, the crane clamp needs to be lifted from the billet holding pit to the feeding roller. In the prior art, when the crane clamp is clamped and placed on the feeding roller, the operator operates the roller, which may cause the crane clamp to be taken away by the billet, resulting in the crane clamp being unhooked. The crane clamp may be unhooked when releasing the billet: this is because when the billet is on the feeding roller, the cold detection detects the billet at the same time. As long as the operator operates the roller in the charging system, the roller will automatically rotate. This process is prone to cause the crane clamp to be taken away by the billet and unhooked due to the operator's early operation of the roller when the crane clamp has not left the billet. SUMMARY

[0003] The utility model aims at providing a control device about preventing the crane clamp of the billet of the feeding roller from taking away, to solve the problems raised in the above background.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a control device about preventing the crane clamp of the billet of the feeding roller from taking away, comprising:

[0005] The steel billet roller seat is uniformly provided with a steel billet conveying roller for conveying the billet placed on the roller by hoisting and clamping the crane clamp at the end of the vehicle, and the two ends of the steel billet conveying roller are slidingly provided with a sliding straightening positioning plate for straightening and positioning the position of the steel billet conveying, the bottom of the sliding straightening positioning plate is provided with a straight line sliding groove corresponding to the position of the end of the steel billet roller seat for directional straight line sliding of the sliding straightening positioning plate, the end of the steel billet roller seat and between the steel billet conveying rollers is movably provided with a lifting material receiving and conveying table for supporting and receiving the billet of the crane clamp and descending to the roller for conveying, the bottom end of the lower end of the lifting material receiving and conveying table is provided with a pressing control switch for starting and stopping control of the steel billet conveying roller, and the bottom of the steel billet roller seat is provided with a roller support frame seat.

[0006] Preferably, the steel billet roller seat and between the steel billet conveying rollers are provided with a through groove, the lifting material receiving and conveying table is arranged in the through groove and is in the same horizontal state as the steel billet conveying roller, so that the billet placed by the crane clamp can be lowered and horizontally conveyed with the steel billet conveying roller.

[0007] Preferably, an installation platform is arranged at the middle position of the through slot, the pressing control switch is installed at the end of the installation platform and is located at the vertical bottom side of the lifting material receiving and conveying table, the lifting material receiving and conveying table is lowered to press the pressing control switch to start the control of the billet conveying roller to rotate, and the safety accident caused by the movement of the tongs following the billet is avoided.

[0008] Preferably, two groups of rotating shaft seats are uniformly arranged at the two sides of the end of the billet roller seat, the billet conveying roller is rotatably arranged between the rotating shaft seats, a servo motor is arranged outside the rotating shaft seat and is in transmission connection with the billet conveying roller, the end of the rotating shaft seat is provided with a telescopic cylinder, and one end of the telescopic cylinder is fixed to the side surface of the sliding straightening positioning plate, so that the position of the conveying billet can be straightened and kept in the middle, and the displacement of the billet on one side of the conveying line is avoided.

[0009] Preferably, cylinder pieces are arranged at the two sides of the inside of the roller support frame seat, the top end of the piston rod of the cylinder piece is fixed to the bottom of the lifting material receiving and conveying table, a control box is arranged in the inside of the roller support frame seat and is in electrical control connection with the pressing control switch and the servo motor, and the control box controls the servo motor to drive the billet conveying roller to rotate for conveying after the pressing control switch is pressed.

[0010] Preferably, linear slides are arranged at the two ends of the bottom of the sliding straightening positioning plate, the linear slides are slidably arranged in the inside of the linear sliding groove, a sensor for detecting the position and state of the billet and the tongs is arranged on one side of the roller support frame seat through a stand, the position and state of the billet gripped by the tongs are detected, and the danger caused by the movement of the tongs following the billet is avoided.

[0011] Compared with the prior art, the technical effects and advantages of the control device for preventing the tongs from being taken away by the billet on the feeding roller are as follows: the cooperation and control of the cylinder piece, the pressing control switch, the control box, the servo motor, the lifting material receiving and conveying table and the billet conveying roller are used, the tongs is lifted and gripped to move to the vertical upper end of the billet rail seat, at this time, the cylinder piece pushes the lifting material receiving and conveying table to be higher than the billet conveying roller to receive the billet gripped by the tongs, then the lifting material receiving and conveying table is lowered to the same level as the billet conveying roller, the pressing control switch controls the control box to start the servo motor to drive the billet conveying roller to convey the billet, and the tongs is completely separated from the billet to be lowered and conveyed by the billet conveying roller, so that the billet and the tongs are located in the safe position, and the billet conveying roller will not move if the above conditions are not met, thereby reducing the risk of the tongs being unhooked, shortening the transfer time of the billet, improving the overall efficiency of the production line, and further solving the problems of the prior art in the background technology.

[0012] Through the cooperation of the telescopic air cylinder, the sliding straightening positioning plate on the surface of the billet conveying roller at both ends, the straight line sliding groove and the straight line sliding block, the billet clamped by the crane clamp is placed on the billet conveying roller for conveying, the telescopic air cylinder is used for pushing the sliding straightening positioning plate to adjust and slide on the billet conveying roller, the billet with position deviation in conveying can be pushed and straightened, so that the billet is straightened and centered on the roller way for conveying, thereby the billet can be used to keep the central position and cannot deviate from the roller way, and the billet is more safe in transfer conveying. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a structural schematic view of the utility model;

[0014] Fig. 2 It is a main view structural schematic view of the utility model;

[0015] Fig. 3 It is a side view structural schematic view of the sliding straightening positioning plate of the utility model.

[0016] In the drawing: 1, billet roller way seat; 2, billet conveying roller; 3, sliding straightening positioning plate; 4, straight line sliding groove; 5, lifting material receiving and conveying table; 6, pressing control switch part; 7, roller way support frame seat; 8, through groove; 9, mounting table plate; 10, rotating shaft seat; 11, servo motor; 12, air cylinder part; 13, control box; 14, telescopic air cylinder; 15, straight line sliding block; 16, sensor. DETAILED DESCRIPTION

[0017] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the protection scope of the utility model.

[0018] Please refer to Figs. 1-3 The utility model provides a technical scheme: a control device for preventing the crane clamp from being taken away by the billet on the feeding roller way, comprising:

[0019] The steel billet roller bed 1 is uniformly provided with steel billet conveying rollers 2 for hoisting and clamping the tongs of the vehicle at both ends of the steel billet roller bed 1 for conveying the steel billets placed on the roller, and the steel billet conveying rollers 2 are equidistantly arranged at the ends of the steel billet roller bed 1, and the number of steel billet conveying rollers 2 can be increased or decreased according to the length of the steel billet, both ends of the steel billet conveying roller 2 are slidingly provided with a sliding straightening positioning plate 3 for straightening and keeping the position of the steel billet conveying in the middle, the both ends of the steel billet conveying roller 2 are simultaneously straightened and conveyed in the middle, and the sliding straightening positioning plate 3 is provided with a circular arc groove for sliding adjustment on the steel billet conveying roller 2, the bottom of the sliding straightening positioning plate 3 is provided with a straight sliding groove 4 corresponding to the position of the end of the steel billet roller bed 1 for straight sliding of the sliding straightening positioning plate 3, the sliding straightening positioning plate 3 keeps straight sliding state to adjust the steel billet, the end of the steel billet roller bed 1 and between the steel billet conveying rollers 2 is movably arranged with a lifting material receiving and conveying table 5 for supporting the steel billet supported by the tongs of the vehicle to be lowered to the roller for conveying, the steel billet clamped by the tongs of the vehicle is first conveyed by the lifting material receiving and conveying table 5, the bottom end of the lifting material receiving and conveying table 5 is provided with a pressing control switch 6 for starting and stopping control of the steel billet conveying roller 2, the steel billet conveying roller 2 is started after the steel billet is lowered, and a servo motor 11 is controlled, the bottom of the steel billet roller bed 1 is provided with a roller support frame 7 for stable support of the steel billet roller bed 1.

[0020] The steel billet roller bed 1 and between the steel billet conveying rollers 2 are provided with a through groove 8, the sliding straightening positioning plate 3 keeps horizontal straight sliding to straighten the steel billet, the lifting material receiving and conveying table 5 is arranged in the through groove 8 and is in the same horizontal state as the steel billet conveying roller 2, the steel billet is conveyed after being received and lowered, the through groove 8 is provided with a mounting table 9 at the middle position, the pressing control switch 6 is mounted at the end of the mounting table 9 and is located at the vertical bottom side of the lifting material receiving and conveying table 5, the lifting material receiving and conveying table 5 can contact the pressing control switch 6 to control the starting of the servo motor 11, the steel billet conveying roller 2 is rotated to convey the steel billet, the steel billet conveying roller 2 is rotatably arranged between the shaft seats 10, the shaft seats 10 are provided with servo motors 11 connected with the steel billet conveying roller 2 for driving the steel billet conveying roller 2 to rotate, the ends of the shaft seats 10 are provided with telescopic cylinders 14, one end of the telescopic cylinder 14 is fixed to one side of the sliding straightening positioning plate 3, the sliding straightening positioning plate 3 slides on the steel billet conveying roller 2 to straighten and adjust the steel billet.

[0021] The roller support frame seat 7 is internally provided with a cylinder piece 12 on both sides, which pushes the lifting material receiving and conveying table 5 to perform the lifting and material receiving action, and the cylinder piece 12 is controlled by an external PLC control system, and the piston rod top of the cylinder piece 12 is fixed at the bottom of the lifting material receiving and conveying table 5 on both ends, the roller support frame seat 7 is internally provided with a control box 13 electrically connected with the pressing control switch piece 6 and the servo motor 11, the sliding straightening positioning plate 3 is provided with a linear slide 15 at the bottom on both ends, the linear slide 15 is slidably arranged in the linear slide groove 4, and the roller support frame seat 7 is provided with a sensor 16 for detecting the position and state of the steel billet and the crane clamp on one side through a vertical rod, and the sensor 16 is an optical sensor, the position information of the steel billet is detected by the optical sensor, and the interlocking control is realized by the PLC control system.

[0022] Specifically, in use, first, the crane clamp is hoisted to clamp the steel billet and is moved to the vertical upper end of the steel billet roller seat 1, and the steel billet hoisted by the crane clamp is vertically lowered, at the same time, the cylinder piece 12 is lifted by the external PLC controller to lift the lifting material receiving and conveying table 5 to a position slightly higher than the steel billet conveying roller 2, at this time, the crane clamp places the steel billet on the lifting material receiving and conveying table 5, and the PLC controller controls the cylinder piece 12 to lower and keep horizontal with the steel billet conveying roller 2, and the lowering of the lifting material receiving and conveying table 5 controls the control box 13 to start the servo motor 11 to rotate through the pressing control switch piece 6, the rotation of the servo motor 11 drives the steel billet conveying roller 2 to rotate to convey the steel billet, and the crane clamp is far away from the steel billet conveying roller 2 to achieve a safe state, so as to ensure that the steel billet and the crane clamp are in a safe position, and the steel billet conveying roller 2 will not move if the above conditions are not met, thereby reducing the risk of the crane clamp unhooking, shortening the transfer time of the steel billet, improving the overall efficiency of the production line, and detecting the position and state of the crane clamp to prevent the crane clamp from unhooking, and when the position of the steel billet deviates during conveying, the steel billet clamped by the crane clamp is placed on the steel billet conveying roller 2 for conveying, and the telescopic cylinder 14 is used to push the sliding straightening positioning plate 3 to adjust the sliding on the steel billet conveying roller 2, so as to push and straighten the steel billet with position deviation during conveying, so that the steel billet is straightened and centered on the roller for conveying, thereby ensuring that the steel billet remains in the center position and does not deviate and slide out of the roller.

[0023] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A control device for preventing steel billets from being carried away by the crane clamps on the feeding roller conveyor, characterized in that, Include: The billet roller bed (1) is uniformly provided with billet conveying rollers (2) for lifting and clamping the tongs of the travelling crane at both ends of the billet roller bed (1) to convey the billet placed on the roller bed. The billet conveying rollers (2) are slidingly provided with sliding straightening positioning plates (3) at both ends to keep the position of the billet conveying straightening. The sliding straightening positioning plates (3) are provided with straight sliding grooves (4) at both ends of the bottom corresponding to the position of the end of the billet roller bed (1) to make the sliding straightening positioning plates (3) slide straight. The billet roller bed (1) is movably provided with a lifting material conveying table (5) between the billet conveying rollers (2) to support the billet of the tongs of the travelling crane and descend to the roller bed for conveying. The lifting material conveying table (5) is provided with a press control switch (6) at the bottom end of the lower end to control the start and stop of the billet conveying roller (2). The bottom of the billet roller bed (1) is provided with a roller support frame seat (7).

2. The control device for preventing the ladle crane tongs from being taken away by the charging roller according to claim 1, characterized in that: The billet roller bed (1) is provided with a through groove (8) between the billet conveying rollers (2), and the lifting material conveying table (5) is arranged in the through groove (8) and is in the same horizontal state as the billet conveying roller (2).

3. The control device for preventing the ladle crane tongs from being taken away by the charging roller according to claim 2, characterized in that: The through groove (8) is provided with a mounting table (9) at the middle position inside, and the press control switch (6) is mounted at the end of the mounting table (9) and located at the vertical bottom side of the lifting material conveying table (5).

4. The control device for preventing the ladle crane clamp from being taken away by the charging roller bed according to claim 1, characterized in that: The billet roller bed (1) is uniformly provided with two groups of rotating shaft seats (10) at both sides of the end, the billet conveying roller (2) is rotatably arranged between the rotating shaft seats (10), and the rotating shaft seats (10) are provided with a servo motor (11) connected with the billet conveying roller (2) outside. The end of the rotating shaft seat (10) is provided with a telescopic cylinder (14), and one end of the telescopic cylinder (14) is fixed to one side of the sliding straightening positioning plate (3).

5. The control device for preventing the ladle crane tongs from being taken away by the charging roller according to claim 4, characterized in that: The roller support frame seat (7) is provided with a cylinder (12) at both sides inside, and the piston rod top end of the cylinder (12) is fixed to both ends of the bottom of the lifting material conveying table (5). The roller support frame seat (7) is provided with a control box (13) electrically connected with the press control switch (6) and the servo motor (11).

6. The control device for preventing the ladle crane clamp from being taken away by the charging roller bed according to claim 1, characterized in that: The bottom of the sliding straightening positioning plate (3) is provided with a straight line sliding block (15), the straight line sliding block (15) is slidingly arranged in the inside of the straight line sliding groove (4), and the roller support frame seat (7) is provided with a vertical rod on one side to install a sensor (16) for detecting the position and state of the billet and the tongs of the travelling crane.

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