Roll changing device for continuous casting machine production line

Abstract

The utility model relates to the technical field of metal casting, in particular to a roll changing device for a continuous casting machine production line, which comprises an electric flat carriage, a first hydraulic cylinder is fixedly connected to the surface of the electric flat carriage through a welding disc, and a top plate is fixedly assembled at the upper end of a piston rod of the first hydraulic cylinder. The electric flat carriage is simple to operate, the first hydraulic cylinder is used as a main hydraulic cylinder to control the top plate and the support to perform longitudinal displacement under the action of the first hydraulic cylinder, when the working roller needs to be disassembled, the working roller can be effectively lifted up, and the working roller can be conveniently disassembled under the action of the welding disc; the stability of connection between the first hydraulic cylinder and the electric flat carriage is guaranteed, the clamping structure is supported through the protection plate, meanwhile, the stability of the working roller during transportation is guaranteed in an auxiliary mode, falling of the working roller is avoided, the situation that two sets of equipment need to work at the same time is avoided, the stability and safety of roller replacement of the working roller are guaranteed, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of metal casting, in particular to a roller changing device used in a continuous casting machine production line. Background Art

[0002] A continuous casting machine is a device used in the steel industry to continuously cast liquid metal (usually molten steel) into solid billets with a certain cross-sectional shape and size. In the continuous casting machine production line, the billets are continuously pressed through rollers. The roll changing device is a device used to replace the working rolls and support rolls in the continuous casting machine production line. The working rolls are in direct contact with the steel plate for rolling; the support rolls support the working rolls and withstand the rolling force. As the rolling process progresses, the rolls will gradually wear and need to be replaced regularly to ensure product quality and production efficiency. Most existing roll changing equipment uses hoisting, which has poor fixing effect on the working rolls and poor safety during operation. Utility Model Content

[0003] The purpose of the present utility model is to provide a roll changing device for a continuous casting machine production line to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a roller changing device for a continuous casting machine production line, comprising an electric flat car, the surface of the electric flat car is fixedly connected to a first hydraulic cylinder through a welding plate, the upper end of the piston rod of the first hydraulic cylinder is fixedly equipped with a top plate, the surface of the top plate is symmetrically equipped with guard plates on both sides, the surface of the top plate is fixedly equipped with a support, the inner wall of the support is provided with a semicircular groove, and the inner walls of the two guard plates are penetrated by a clamping structure.

[0005] Preferably, the clamping structure includes a second hydraulic cylinder, which is fixedly mounted on the outer wall of the guard plate. The end of the piston rod of the second hydraulic cylinder passes through the guard plate and is fixedly mounted with a clamping block. The side of the clamping block is set to an arc surface that matches the semicircular groove on the inner wall of the support.

[0006] Preferably, it further includes an auxiliary support structure, which is fixedly mounted on the outer wall of the first hydraulic cylinder, and the upper and lower sides of the auxiliary support structure are respectively connected to the top plate and the electric flat car.

[0007] Preferably, the auxiliary support structure includes a support plate, which is fixedly mounted on the outer wall of the first hydraulic cylinder. Both sides of the lower end of the support plate are connected to the surface of the electric flat car through support rods. Both sides of the inner wall of the support plate are fixedly mounted with a third hydraulic cylinder, and the piston rod ends of the two third hydraulic cylinders are connected to the lower surface of the top plate.

[0008] Preferably, anti-collision air cushions are symmetrically installed on both sides of the electric flat car.

[0009] Preferably, the outer walls of the two support rods are fixedly equipped with fixing seats, and the two fixing seats are connected to the surface of the electric flat car.

[0010] Compared with the prior art, the beneficial effects of the present invention are: through the action of the electric flat car, the overall displacement of the equipment is facilitated, and the flexibility of the equipment is ensured. The electric flat car is simple to operate and has strong stability, and can adapt well to the quality of the working roll. Through the action of the first hydraulic cylinder, the first hydraulic cylinder serves as the main hydraulic cylinder to control the longitudinal displacement of the top plate and the support. When the working roll needs to be disassembled, the working roll can be effectively lifted. Through the action of the welding plate, the stability of the connection between the first hydraulic cylinder and the electric flat car is guaranteed. Through the action of the guard plate, it plays a supporting role while the clamping structure is supported. It also helps to ensure the stability of the working roll during transportation and prevent the working roll from falling. Two sets of this equipment are required to work at the same time to ensure the stability and safety of the working roll replacement, and it is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is the main view of the utility model;

[0013] Figure 3 It is a three-dimensional schematic diagram of the working roll;

[0014] Figure 4 for Figure 2 A schematic diagram of the structure at center A;

[0015] Figure 5 It is a three-dimensional schematic diagram of an electric flat car.

[0016] In the figure: 1-electric flat car, 2-welding plate, 3-first hydraulic cylinder, 4-top plate, 5-support, 6-guard plate, 7-clamping structure, 71-second hydraulic cylinder, 72-clamping block, 8-auxiliary support structure, 81-support rod, 82-support plate, 83-third hydraulic cylinder, 9-fixed seat, 10-anti-collision air cushion, 11-working roller, 12-rotating shaft. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] See also Figure 1-5The utility model provides a roller changing device for a continuous casting machine production line, including an electric flat car 1. The surface of the electric flat car 1 is fixedly connected to a first hydraulic cylinder 3 through a welding plate 2. The upper end of the piston rod of the first hydraulic cylinder 3 is fixedly equipped with a top plate 4. Guard plates 6 are symmetrically equipped on both sides of the surface of the top plate 4. A support 5 is fixedly equipped on the surface of the top plate 4. A semicircular groove is provided on the inner wall of the support 5. A clamping structure 7 is penetrated and installed on the inner walls of the two guard plates 6.

[0019] Through the action of the electric flat car 1, the overall displacement of the equipment is facilitated to ensure the flexibility of the equipment. The electric flat car 1 is simple to operate and has strong stability. It can adapt well to the quality of the working roll 11. Through the action of the first hydraulic cylinder 3, the first hydraulic cylinder 3 serves as the main hydraulic cylinder to control the longitudinal displacement of the top plate 4 and the support 5. When the working roll 11 needs to be disassembled, the rotating shaft 12 on both sides of the working roll 11 can be effectively lifted. Through the action of the welding plate 2, the stability of the connection between the first hydraulic cylinder 3 and the electric flat car 1 is guaranteed. Through the action of the guard plate 6, it plays a supporting role in the clamping structure 7 while assisting in ensuring the stability of the working roll 11 during transportation to prevent the working roll 11 from falling. Two sets of this equipment are required to work at the same time to ensure the stability and safety of the working roll 11 roll replacement, and it is highly practical.

[0020] The clamping structure 7 includes a second hydraulic cylinder 71, which is fixedly assembled on the outer wall of the guard plate 6. The end of the piston rod of the second hydraulic cylinder 71 passes through the guard plate 6 and is fixedly assembled with a clamping block 72. The side surface of the clamping block 72 is set to an arc surface that matches the semicircular groove on the inner wall of the support 5.

[0021] When the support 5 is in contact with the rotating shaft 12 on both sides of the working roll 11, the second hydraulic cylinders 71 on both sides are turned on to control the piston rod to move toward the working roll 11. The clamping blocks 72 on both sides are in contact with the outer wall of the rotating shaft 12 and cooperate with the support 5 to effectively clamp the rotating shaft 12 to ensure the stability of the equipment during displacement.

[0022] It also includes an auxiliary support structure 8, which is fixedly assembled on the outer wall of the first hydraulic cylinder 3, and the upper and lower sides of the auxiliary support structure 8 are respectively connected to the top plate 4 and the electric flat car 1.

[0023] The auxiliary support structure 8 includes a support plate 82, which is fixedly mounted on the outer wall of the first hydraulic cylinder 3. Both sides of the lower end of the support plate 82 are connected to the surface of the electric flat car 1 through support rods 81. Both sides of the inner wall of the support plate 82 are fixedly mounted with a third hydraulic cylinder 83, and the piston rod ends of the two third hydraulic cylinders 83 are connected to the lower surface of the top plate 4.

[0024] When the mass of the working roll 11 is large, the support of the first hydraulic cylinder 3 will be more difficult. At this time, the auxiliary third hydraulic cylinders 83 on both sides are opened to assist the first hydraulic cylinder 3 in displacing the top plate 4 and the support 5, thereby driving the working roll 11 to move longitudinally and effectively dismantle the large-mass working roll 11.

[0025] Anti-collision air cushions 10 are symmetrically mounted on both sides of the electric flat car 1 .

[0026] The anti-collision air cushion 10 can protect the electric flat car 1.

[0027] The outer walls of the two support rods 81 are fixedly assembled with fixing seats 9, and the two fixing seats 9 are connected to the surface of the electric flat car 1.

[0028] The fixing seat 9 can ensure the stability of the support rod 81.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A roll changing device for a continuous casting production line, characterized in that: The invention comprises an electric flat car (1), wherein the surface of the electric flat car (1) is fixedly connected to a first hydraulic cylinder (3) via a welding plate (2), the upper end of the piston rod of the first hydraulic cylinder (3) is fixedly equipped with a top plate (4), the surface of the top plate (4) is symmetrically equipped with guard plates (6), the surface of the top plate (4) is fixedly equipped with a support (5), the inner wall of the support (5) is provided with a semicircular groove, and the inner walls of the two guard plates (6) are both penetrated and equipped with a clamping structure (7).

2. The roll changing device for a continuous casting production line according to claim 1, characterized in that: The clamping structure (7) includes a second hydraulic cylinder (71), which is fixedly mounted on the outer wall of the guard plate (6). The end of the piston rod of the second hydraulic cylinder (71) passes through the guard plate (6) and is fixedly mounted with a clamping block (72). The side surface of the clamping block (72) is configured to be an arc surface that matches the semicircular groove on the inner wall of the support (5).

3. The roll changing device for a continuous casting production line according to claim 1, characterized in that: It also includes an auxiliary support structure (8), which is fixedly mounted on the outer wall of the first hydraulic cylinder (3), and the upper and lower sides of the auxiliary support structure (8) are respectively connected to the top plate (4) and the electric flat car (1).

4. The roll changing device for a continuous casting production line according to claim 3, characterized in that: The auxiliary support structure (8) includes a support plate (82), which is fixedly mounted on the outer wall of the first hydraulic cylinder (3), and both sides of the lower end of the support plate (82) are connected to the surface of the electric flat car (1) through support rods (81), and both sides of the inner wall of the support plate (82) are fixedly mounted with a third hydraulic cylinder (83), and the piston rod ends of the two third hydraulic cylinders (83) are connected to the lower surface of the top plate (4).

5. The roll changing device for a continuous casting production line according to claim 1, characterized in that: Anti-collision air cushions (10) are symmetrically mounted on both sides of the electric flat car (1).

6. The roll changing device for a continuous casting production line according to claim 4, characterized in that: The outer walls of the two support rods (81) are fixedly equipped with fixing seats (9), and the two fixing seats (9) are connected to the surface of the electric flat car (1).

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