Slab continuous casting lower roller cutting equipment

Abstract

The utility model discloses a slab continuous casting lower roller cutting device which comprises a bottom frame and two sets of round steel, a fixing frame is arranged at the top of the bottom frame, a conveying assembly used for conveying steel billets is arranged in the fixing frame, the two sets of round steel are connected to the two ends of the fixing frame respectively, and the other ends of the round steel are connected with a support. The fixed frame is made into a fixed structure, so that when the flame cutting machine cuts a steel billet, the cutting roller does not move back and forth along with the fixed frame to avoid cutting any more, and the flame cutting machine stops cutting only when the flame cutting machine is in contact with the cutting roller. The cutting roller is protected from being damaged in the mode that the cutting roller is continuously cut after leaving the cutting roller, so that the damage to equipment caused by impact force is effectively eliminated, the service life of the equipment is longer, a translation hydraulic system is omitted, hydraulic equipment such as a hydraulic cylinder does not need to be repaired and maintained, and the production cost is reduced. Therefore, the equipment fault and maintenance cost is greatly reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the steel billet cutting technical field, concretely relates to a slab continuous casting cut-off roll equipment. BACKGROUND

[0002] In the steel production industry, slab continuous casting is a key production link, and the slab continuous casting process is to continuously cast molten steel into a slab with a certain thickness and width, and then to perform subsequent cutting processing on the slab.

[0003] At present, in the slab continuous casting process, the slab continuously cast needs to be cut according to the predetermined length, which requires the use of a cut-off roll equipment, and the slab continuous casting cut-off roll equipment is composed of a speed reducer 4, a cut-off roll 5, a translation frame 2, a cart wheel 12, a translation hydraulic cylinder 18, a translation rail 17 and a water baffle 15 (the thickness of the water baffle 15 is 5 mm), as shown in the drawings. Figure One The speed reducer 4 and the cut-off roll 5 are assembled and installed on the translation frame 2, the translation frame 2 sits on the cart wheel 12 through the bottom translation rail 17, the translation hydraulic cylinder 18 pushes and pulls the translation frame 2 to move back and forth, and above the cut-off roll equipment, there is a flame cutting machine 14 (referred to as a flame cutting machine for short), which performs size cutting on the produced slab, as shown in the drawings. Figure One When the flame cutting machine 14 cuts the slab 3, the translation frame 2 moves back and forth with the cut-off roll 5, so that the cut-off roll 5 can quickly avoid the cutting position and protect the cut-off roll 5 from being cut, but because the translation hydraulic cylinder 18 drives the translation frame 2 to start or stop at a moment, a large impact force is generated on the translation frame 2 and the equipment on the frame; in addition, affected by water vapor and high temperature, the corrosion degree of the cut-off roll equipment is continuously increasing, which leads to equipment failure and maintenance cost increasing year by year, causing serious impact on production and cost, and also increasing the labor intensity of maintenance personnel, and the space in this area is small, which is not conducive to maintenance work, and further increases the operation risk of maintenance personnel. UTILITY MODEL CONTENTS

[0004] The utility model aims to provide a slab continuous casting cut-off roll equipment to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a slab continuous casting cut-off roll equipment, comprising:

[0006] The bottom frame is provided with a fixed frame on the top, the fixed frame is provided with a conveying assembly for conveying the slab, the cut-off roll in the fixed frame is connected with the speed reducer of the conveying assembly in rotation, so that the cut-off roll rotates to convey the slab;

[0007] Round steel, two groups of which are connected to the two ends of the fixed frame, and the other end of the round steel is connected to the support.

[0008] Preferably, the conveying assembly comprises rotating frames, and the rotating frames are connected to the fixed frame, and the cutting rollers are connected to the rotating frames through bearings.

[0009] Preferably, the speed reducer is provided with a plurality of groups, and the output shaft of the speed reducer is connected with a first sprocket, and the first sprocket is connected with a second sprocket connected with one end of the cutting roller through a chain.

[0010] Preferably, the fixed frame is connected with a water baffle between adjacent rotating frames.

[0011] Preferably, the chassis is provided with a plurality of wheel frames, and the wheel frames are connected with large wheels through bearings.

[0012] Preferably, the fixed frame is provided with a flame cutting machine.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] The utility model discloses a fixed frame is made into fixed type, the front end of the translation frame is firmly topped with 100mm*0.5m round steel to the support adjacent thereto, and the rear end of the translation frame is also firmly topped with 100mm*0.5m round steel to the support adjacent thereto, and the two groups of supports are concrete bases, which are firm and reliable, and the translation hydraulic system is no longer arranged, the fixed frame is made into the fixed type structure, so that the cutting roller of the flame cutting machine does not move back and forth to avoid cutting when cutting the billet, and the flame cutting machine can only stop cutting when approaching the cutting roller and continue cutting after leaving the cutting roller to protect the cutting roller from being cut, thereby effectively eliminating the damage of impact force to the equipment, prolonging the service life of the equipment, and eliminating the translation hydraulic system, so that the hydraulic cylinder and other hydraulic equipment do not need to be maintained and maintained, thereby greatly reducing the equipment failure and maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the prior art;

[0016] Figure 2 It is a structural schematic view of the utility model.

[0017] Figure 3 The utility model discloses a working principle schematic diagram.

[0018] In the drawing: 1, undercarriage, 2, fixed frame, 3, billet, 4, speed reducer motor, 5, cut-off roller, 6, round steel, 7, support, 8, rotating frame, 9, first sprocket, 10, chain, 11, second sprocket, 12, wheel frame, 13, large wheel, 14, flame cutting machine, 15, water baffle, 16, pressure head. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. 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 person skilled in the art without creative labor belong to the range protected by the utility model.

[0020] The utility model provides a kind of slab continuous casting cut-off roller equipment as Figures 2-3 As shown in the drawing, it includes:

[0021] Undercarriage 1, the top of the undercarriage 1 is provided with a fixed frame 2, the fixed frame 2 is provided with a conveying assembly for conveying billet 3, the conveying assembly is connected with the cut-off roller 5 in the fixed frame 2 through the speed reducer motor 4, so that the cut-off roller 5 rotates to convey the billet 3.

[0022] Round steel 6, the round steel 6 is provided with two groups and is connected to the two ends of the fixed frame 2 respectively, the other end of the round steel 6 is connected with the support 7, the specification of the round steel 6 is 100mm×0.5m, the round steel 6 is arranged between the fixed frame 2 and the support 7, for firmly fixing the fixed frame 2, and the two groups of supports 7 are made of concrete, which is firm and reliable.

[0023] The conveying assembly includes rotating frame 8, the rotating frame 8 is provided with several groups and is connected in the fixed frame 2, the cut-off roller 5 is provided with several groups and is rotatably connected in the rotating frame 8 through bearing respectively.

[0024] The speed reducer motor 4 is provided with several groups and is arranged in the fixed frame 2, the output shaft of the speed reducer motor 4 is connected with the first sprocket 9, the first sprocket 9 is connected with the second sprocket 11 at one end of the cut-off roller 5 through the chain 10.

[0025] The fixed frame 2 is connected with the water baffle 15 between the adjacent two groups of rotating frames 8, the water baffle 15 is made of steel plate with a thickness of 30mm, which improves the heat insulation and moisture insulation capacity of the water baffle 15 and enhances the corrosion resistance of the equipment.

[0026] The chassis 1 is provided with several wheel frames 12, and the wheel frames 12 are rotatably connected with large wheels 13 through bearings.

[0027] The fixed frame 2 is provided with a flame cutting machine 14 at the top, and the flame cutting machine 14 is used to cut the billet 3.

[0028] The slab continuous casting cutting-off roller device, the reduction motor 4 in the conveying assembly is used as a power source, the output shaft of the reduction motor 4 is connected with the first sprocket 9, the first sprocket 9 is in transmission connection with the second sprocket 11 connected with one end of the cutting-off roller 5 through the chain 10, when the reduction motor 4 is started, the power is transmitted to the second sprocket 11 through the first sprocket 9 and the chain 10 in sequence, so as to drive the cutting-off roller 5 to rotate, when the cutting-off roller 5 rotates, the billet 3 is placed on the cutting-off roller 5, and the billet 3 is conveyed along with the rotation of the cutting-off roller 5 due to the friction between the cutting-off roller 5 and the billet 3.

[0029] As shown in the figure, Figure 3 When the flame cutting machine 14 cuts the billet 3, the pressure head 16 is also pressed on the billet 3, and the billet 3 is cut while walking, because the fixed frame 2 is fixed, in order to protect the cutting-off roller 5 from being cut, it is necessary to prolong the cutting avoidance time of the flame cutting machine 14, install a position detection sensor on the equipment, and use a laser ranging sensor to accurately detect the position of the flame cutting machine 14, the laser ranging sensor can measure the distance between the flame cutting machine 14 and a specific reference point (such as the edge of the cutting-off roller 5 or a mark point at A on the fixed frame 2) in real time, when the distance reaches the corresponding set value at A, a signal is sent to the control system, the control system can determine the position of the flame cutting machine 14 by measuring the moving distance of the flame cutting machine 14, when the value of the control system corresponds to the position at A, a corresponding control signal is triggered, the flame cutting machine 14 is controlled to stop working, and the cutting is stopped for 8 seconds, at this time, the timing module (not shown in the figure) of the equipment starts timing, when the timing module counts for 8 seconds and the flame cutting machine 14 walks to B (also detected by the detection sensor) along with the billet 3, the control system sends a start cutting instruction to the flame cutting machine 14, and the flame cutting machine 14 starts cutting, so that the cutting-off roller 5 can be effectively prevented from being cut.

[0030] Finally, it should be noted that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A slab continuous casting crop shear roll apparatus characterized by, Include: The bottom bracket (1), the top of the bottom bracket (1) is provided with a fixed frame (2), the fixed frame (2) is provided with a conveying assembly for conveying billets (3), the conveying assembly is driven by the deceleration motor (4) and the cutting roller (5) rotatingly connected with the fixed frame (2), so that the cutting roller (5) rotates to convey the billets (3); Round steel (6), the round steel (6) is provided with two groups and is connected to the two ends of the fixed frame (2), and the other end of the round steel (6) is connected with the support (7).

2. A slab continuous casting crop shear roll apparatus according to claim 1, characterized in that: The conveying assembly includes a rotating frame (8), the rotating frame (8) is provided with several groups and is connected in the fixed frame (2), the cutting roller (5) is provided with several groups and is rotatingly connected in the rotating frame (8) through the bearing.

3. A slab continuous casting crop shear roll apparatus according to claim 1, characterized in that: The deceleration motor (4) is provided with several groups and is provided in the fixed frame (2), the output shaft of the deceleration motor (4) is connected with the first sprocket (9), the first sprocket (9) is connected with the second sprocket (11) at one end of the cutting roller (5) through the chain (10).

4. A slab continuous casting crop shear roll apparatus according to claim 2, characterized in that: The fixed frame (2) is connected with the water baffle (15) between the adjacent two groups of rotating frames (8).

5. A slab casting and sawing roll apparatus according to claim 1, characterized in that: The bottom bracket (1) is provided with several wheel frames (12), and the wheel frame (12) is rotatingly connected with the cart wheel (13) on the surface through the bearing.

6. A slab continuous casting crop shear roll apparatus according to claim 1, characterized in that: The top of the fixed frame (2) is provided with a flame cutting machine (14).

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