Blanking device for reducing segregation of square frame

Abstract

The utility model relates to the field of steel rolling equipment, in particular to a cogging device capable of reducing square frame segregation, which comprises a cogging mill, a plurality of rolling channel openings are arranged at the front end of the cogging mill, roller units are arranged in the rolling channel openings, each roller unit comprises a fixed roller and a movable roller, and the cogging mill is provided with a lifting mechanism connected with the movable roller. A base is arranged on the front side of the cogging mill, a base is arranged on the base in a left-right sliding mode, a rotating frame is rotationally arranged in the base, clamping mechanisms are arranged at the two ends of the rotating frame, each clamping mechanism comprises two mounting arms arranged in a sliding mode, clamping rollers are rotationally arranged on the inner sides of the mounting arms, and openings corresponding to the clamping mechanisms are formed in the upper end of the base. And a steel pushing mechanism is arranged at the upper end of the base between the two clamping mechanisms. The utility model has the advantages that the rolling reduction is increased, the pressure goes deep into the steel billet core, grains are refined, the structure is uniform, and the performance is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of rolling equipment, especially to a cogging device capable of reducing square segregation. BACKGROUND

[0002] In the rolling of billets, the equipment used is a cogging mill. Square segregation, which usually appears on the cross section of the ingot and has a square shape, is a kind of defect formed in the crystallization process of the ingot. The formation of square segregation is caused by the accumulation of impurities and pores between the end of columnar crystals and the equiaxed crystal zone during the crystallization of the ingot. In order to improve the square segregation inside the billet, the shape parameters of the deformation zone of the billet need to be increased, so that the deformation penetrates deeper into the interior and the internal defects of the steel are welded. Therefore, it is particularly necessary to develop a cogging device capable of reducing square segregation. SUMMARY

[0003] The utility model discloses a cogging device capable of reducing square segregation, which has the advantages of increasing the shape parameters of the deformation zone of the billet, making the deformation penetrate deeper into the interior, welding the internal defects of the steel, and improving the internal structure of the billet.

[0004] The technical scheme adopted is as follows:

[0005] A cogging device capable of reducing square segregation comprises a cogging mill, a plurality of rolling ports are arranged at the front end of the cogging mill, a rolling unit is arranged in each rolling port, the rolling unit comprises a fixed roller and a movable roller, the cogging mill is provided with a lifting mechanism connected with the movable roller, a base is arranged at the front side of the cogging mill, the base is slidably arranged on the base along the left and right directions, a rotating frame is rotatably arranged in the base, clamping mechanisms are arranged at the two ends of the rotating frame, each clamping mechanism comprises two slidingly arranged mounting arms, clamping rollers are rotatably arranged on the inner sides of the mounting arms, an opening corresponding to the clamping mechanisms is formed in the upper end of the base, and a billet pushing mechanism is arranged on the upper end of the base between the two clamping mechanisms.

[0006] Preferably, the lifting mechanism is a high-precision screw rod lifting frame.

[0007] Preferably, a plurality of sliding grooves are arranged on the base, a plurality of pulleys are arranged on the base, the pulleys are slidably arranged in the corresponding sliding grooves, and a plurality of first hydraulic telescopic rods connected with the base are horizontally arranged on the side surface of the base.

[0008] Preferably, the billet pushing mechanism comprises a vertically arranged push plate, second hydraulic telescopic rods are horizontally arranged on the two sides of the base, and the second hydraulic telescopic rods are fixedly connected with the push plates on the same side.

[0009] Preferably, a driving mechanism is arranged in the base, the driving mechanism is provided with a driving gear, and an arc-shaped gear rack meshing with the driving gear is arranged on the rotating frame.

[0010] Preferably, the rotating frame is provided with a third hydraulic telescopic rod perpendicular to the mounting arm, and the third hydraulic telescopic rod is connected with the corresponding mounting arm.

[0011] Preferably, a plurality of supporting rollers are rotatably arranged on the upper end of the base below the pusher mechanism.

[0012] Compared with the prior art, the beneficial effects are that:

[0013] The utility model discloses a rotating frame and clamping mechanism are used to the steel billet is turned over, and the horizontal sliding of base is used to adjust the corresponding track mouth of steel billet, and the clamping mechanism is used to drive steel billet to move into the track mouth and is rolled, and the roll gap of fixed roll and movable roll is reduced in the same track mouth to improve the down pressure of steel billet, and the rolling force is made into the heart of steel billet through the improvement of down pressure, and the purpose of refining grain, uniform organization and improving performance is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a kind of stereoscopic structure schematic diagram of the utility model discloses a reducing square block segregation's breakdown device,

[0015] Figure 2 It is a kind of breakdown device of the utility model discloses a reducing square block segregation's front view structure schematic diagram,

[0016] Figure 3 It is a kind of breakdown device of the utility model discloses a reducing square block segregation's plan structure schematic diagram,

[0017] Figure 4 It is a kind of breakdown device of the utility model discloses a reducing square block segregation's internal structure schematic diagram,

[0018] Figure 5 It is a kind of breakdown device of the utility model discloses a reducing square block segregation's fixed roll structure schematic diagram,

[0019] In the drawing: 1, breakdown mill;2, track mouth;3, fixed roll;4, movable roll;5, lifting mechanism;6, base;7, base;8, sliding slot;9, first hydraulic telescopic rod;10, rotating frame;11, drive mechanism;12, drive gear;13, arc-shaped rack;14, mounting arm;15, third hydraulic telescopic rod;16, clamping roller;17, push plate;18, second hydraulic telescopic rod;19, supporting roller. DETAILED DESCRIPTION

[0020] The utility model will be further described in connection with specific embodiment, as Figures 1 to 5 As shown in the drawing:

[0021] Example 1: A billet-making device for reducing square segregation includes a billet-making machine 1. The front end of the billet-making machine 1 is provided with multiple rolling grooves 2. Each rolling groove 2 is provided with a rolling roll unit. The rolling roll unit includes a fixed rolling roll 3 and a moving rolling roll 4. The fixed rolling roll 3 is located above the moving rolling roll 4. The billet-making machine 1 is provided with a lifting mechanism 5 connected to the moving rolling roll 4. The lifting mechanism 5 controls the moving rolling roll 4 to move up and down, thereby adjusting the roll gap between the moving rolling roll 4 and the fixed rolling roll, thereby changing the downward pressure on the billet.

[0022] A base 6 is provided on the front side of the blanking machine 1. A base 7 is slidably provided on the upper edge of the base 6. A rotating frame 10 is rotatably provided inside the base 7. A clamping mechanism is provided at both ends of the rotating frame 10. Each clamping mechanism includes two slidably provided mounting arms 14. The mounting arms 14 move closer or further away from each other to achieve clamping and releasing actions. A clamping roller 16 is rotatably provided on the inner side of each mounting arm 14. A drive motor connected to the corresponding clamping roller 16 is provided on the mounting arm 14.

[0023] An opening corresponding to the clamping mechanism is provided at the upper end of the base 7. A steel pushing mechanism is provided at the upper end of the base 7 between the two clamping mechanisms. The steel pushing mechanism is used to move the middle of the steel billet. The clamping mechanism clamps the steel billet. The clamping roller 16 is used to control the back and forth movement of the steel billet. The rotating frame 10 is used to control the overall flipping of the steel billet to achieve the flipping. The horizontal sliding of the base 7 is used to adjust the corresponding rolling groove 2 of the steel billet. The clamping mechanism drives the steel billet to move into the rolling groove 2 for rolling. In the same rolling groove 2, the lifting mechanism 5 is used to lower the roll gap between the fixed roll 3 and the moving roll 4 to increase the downward pressure of the steel billet, thereby improving the internal quality of the steel billet and reducing the segregation of the square frame.

[0024] Example 2: A billet-opening device for reducing square segregation includes a billet-opening machine 1. The front end of the billet-opening machine 1 is provided with multiple rolling grooves 2. Each rolling groove 2 is provided with a rolling roll unit. The rolling roll unit includes a fixed rolling roll 3 and a moving rolling roll 4. The fixed rolling roll 3 is located above the moving rolling roll 4. The billet-opening machine 1 is provided with a lifting mechanism 5 connected to the moving rolling roll 4. The lifting mechanism 5 controls the moving rolling roll 4 to move up and down, thereby adjusting the roll gap between the moving rolling roll 4 and the fixed rolling roll, thereby changing the amount of downward pressure on the billet. The lifting mechanism 5 is a high-precision screw lifting frame.

[0025] A base 6 is provided on the front side of the blanking machine 1. A base 7 is slidably provided on the upper edge of the base 6. Multiple grooves 8 are provided on the base 6. Multiple sets of pulleys are provided on the base 7. The pulleys are slidably provided in the corresponding grooves 8. Multiple first hydraulic telescopic rods 9 are horizontally provided on the side of the base 6 and connected to the base 7. The first hydraulic telescopic rods 9 extend and retract to push the base 7 to slide on the base 6.

[0026] A rotating frame 10 is rotatably mounted inside the base 7. A drive mechanism 11 is installed inside the base 7. The drive mechanism 11 is equipped with a drive gear 12. An arc-shaped rack 13 that meshes with the drive gear 12 is installed on the rotating frame 10. The drive gear 12 meshes with the arc-shaped rack 13 to drive the rotating frame 10 to rotate. Both ends of the rotating frame 10 are equipped with clamping mechanisms. Each clamping mechanism includes two slidably mounted arms 14.

[0027] The rotating frame 10 is provided with a third hydraulic telescopic rod 15 perpendicular to the mounting arm 14. The third hydraulic telescopic rod 15 is connected to the corresponding mounting arm 14. The mounting arms 14 move closer or further apart to achieve clamping and releasing actions. Clamping rollers 16 are rotatably provided on the inner side of each mounting arm 14. A drive motor connected to the corresponding clamping roller 16 is provided on the mounting arm 14.

[0028] The upper end of the base 7 has an opening corresponding to the clamping mechanism. A steel pushing mechanism is provided on the upper end of the base 7 between the two clamping mechanisms. The steel pushing mechanism is used to move the middle of the steel billet. The steel pushing mechanism includes a vertically arranged push plate 17. A second hydraulic telescopic rod 18 is horizontally arranged on both sides of the base 7. The second hydraulic telescopic rod 18 is fixedly connected to the push plate 17 on the same side. Multiple support rollers 19 are rotatably arranged on the upper end of the base 7 below the steel pushing mechanism.

[0029] The specific working process is as follows: The steel billet is held by a clamping mechanism, the steel billet is moved back and forth by the clamping roller 16, and the steel billet is flipped over by the rotating frame 10. The steel billet is adjusted by the horizontal sliding of the base 7. The steel billet is driven to move into the rolling groove 2 by the clamping mechanism for rolling. In the same rolling groove 2, the gap between the fixed roller 3 and the moving roller 4 is lowered by the lifting mechanism 5 to increase the downward pressure of the steel billet, thereby improving the internal quality of the steel billet and reducing the segregation of the square frame.

[0030] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A blanking device for reducing frame segregation, characterized in that: The machine includes a billet mill (1), which has multiple rolling grooves (2) at its front end. A base (6) is provided on the front side of the billet mill (1). A base (7) is slidably provided on the upper edge of the base (6). A rotating frame (10) is rotatably provided inside the base (7). A clamping mechanism is provided at both ends of the rotating frame (10). Each clamping mechanism includes two slidably provided mounting arms (14). A clamping roller (16) is rotatably provided on the inner side of each mounting arm (14). An opening corresponding to the clamping mechanism is provided at the upper end of the base (7). A steel pushing mechanism is provided at the upper end of the base (7) between the two clamping mechanisms.

2. The blanking device for reducing frame segregation as described in claim 1, characterized in that: The base (6) is provided with multiple sliding grooves (8), the base (7) is provided with multiple sets of pulleys, the pulleys are slidably arranged in the corresponding sliding grooves (8), and multiple first hydraulic telescopic rods (9) connected to the base (7) are horizontally arranged on the side of the base (6).

3. The blanking device for reducing frame segregation as described in claim 1, characterized in that: The steel pushing mechanism includes a vertically arranged push plate (17), and a second hydraulic telescopic rod (18) is horizontally arranged on both sides of the base (7). The second hydraulic telescopic rod (18) is fixedly connected to the push plate (17) on the same side.

4. The blanking device for reducing frame segregation as described in claim 1, characterized in that: The base (7) is provided with a drive mechanism (11), the drive mechanism (11) is provided with a drive gear (12), and the rotating frame (10) is provided with an arc-shaped rack (13) that meshes with the drive gear (12).

5. The blanking device for reducing frame segregation as described in claim 1, characterized in that: The rotating frame (10) is provided with a third hydraulic telescopic rod (15) perpendicular to the mounting arm (14), and the third hydraulic telescopic rod (15) is connected to the corresponding mounting arm (14).

6. The blanking device for reducing frame segregation as described in claim 1, characterized in that: Multiple support rollers (19) are rotatably mounted on the upper end of the base (7) below the steel pushing mechanism.

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