Automatic slag removal device for continuous casting steel billets

Abstract

The utility model discloses an automatic slag removal device for continuous casting steel billets, which belongs to the technical field of continuous casting process, solves the technical problem that cutting slag cannot be completely removed in the current steel billet flame cutting, and comprises a controller, a tail end slag removal component arranged below the downstream of a conveying roller way, and a front end slag removal component arranged below the upstream of the conveying roller way, the tail end slag removal assembly comprises a first telescopic mechanism, and the extending end of the first telescopic mechanism is connected with a first cutter through a first connecting rod. The front-end slag removal assembly comprises a second telescopic mechanism, and the extending end of the second telescopic mechanism is connected with a second cutter through a second connecting rod; and the controller is electrically connected with the first telescopic mechanism and the second telescopic mechanism, and is in signal connection with the flame cutting machine and data acquisition equipment of the conveying roller way. The steel billet cutting slag removing device directly removes steel billet cutting slag on line, can improve the heat transfer rate, reduces energy consumption needed by heating of steel billets, reduces rolling quality defects below the offline finishing and polishing link, and is low in investment cost and easy to maintain.

Description

Technical Field

[0001] The utility model relates to the technical field of continuous casting technology, and more specifically, to an automatic slag cleaning device for continuous casting steel billets. Background Art

[0002] At present, most of the cutting methods of billet continuous casting machines use flame cutting machines, which has the advantages of low cost and easy maintenance. However, it also has corresponding disadvantages; during cutting, a steel slag mixture will be formed and adhere to the head and tail of the billet, causing rolling accidents and quality problems. Most factories that use flame cutting do not have slag cleaning devices or cannot completely remove the cutting slag. They can only be polished in the offline finishing workshop and then sent to the rolling workshop for rolling, which has high investment costs. Billets that have not been cleaned or polished are prone to waste or defects during the rolling process. Utility Model Content

[0003] The technical problem to be solved by the utility model is aimed at the above-mentioned deficiencies in the prior art, and the purpose of the utility model is to provide an automatic slag cleaning device for continuous casting steel billets which can effectively remove cutting slag.

[0004] The technical scheme of the utility model is: an automatic slag cleaning device for continuous casting steel billet, comprising a controller, a terminal slag cleaning component installed below the downstream of the conveying roller, and a front end slag cleaning component installed below the upstream of the conveying roller; the terminal slag cleaning component comprises a first telescopic mechanism extending toward the conveying roller, the protruding end of the first telescopic mechanism is connected with a first connecting rod, the top of the first connecting rod is provided with a first mounting seat, the first mounting seat is provided with a first tool, the top of the first tool is provided with a first scraping tooth, one end of the first tool is rotatably connected with the first mounting seat, and the other end is connected with the first mounting seat through a first spring; the front end slag cleaning component comprises a second telescopic mechanism extending toward the conveying roller, the protruding end of the second telescopic mechanism is connected with a second connecting rod, the top of the second connecting rod is provided with a second mounting seat, the second mounting seat is provided with a second tool, the top of the second tool is provided with a second scraping tooth, one end of the second tool is rotatably connected with the second mounting seat, and the other end is connected with the second mounting seat through a second spring; the controller is electrically connected with the first telescopic mechanism and the second telescopic mechanism, and the controller signal is connected with the fire cutting machine and the data acquisition equipment of the conveying roller.

[0005] As a further improvement, the first telescopic mechanism and the second telescopic mechanism are any one of a pneumatic cylinder, a hydraulic cylinder, and an electric push rod.

[0006] Furthermore, the first telescopic mechanism and the second telescopic mechanism are both 0.6Mpa cylinders.

[0007] Furthermore, the first tool and the second tool are both made of high-speed steel.

[0008] Furthermore, the terminal slag cleaning assembly also includes a first protective cover, the first driving mechanism is installed in the first protective cover, a first guide rail is provided in the first protective cover, a first guide wheel connected to the first connecting rod is provided in the first guide rail, and the first connecting rod passes through the first protective cover upward.

[0009] Furthermore, the extended end of the first telescopic mechanism is rotatably connected to the lower end of the first connecting rod, and the first connecting rod extends obliquely in the opposite direction of the movement of the steel billet.

[0010] Furthermore, the first protective cover is hinged to the ground, the first telescopic mechanism is connected to the bottom of the first protective cover, the first protective cover is provided with a first adjustment mechanism, the first adjustment mechanism includes a first L-shaped plate and a first screw, the upper end of the first screw is hinged to the first protective cover, the lower end of the first screw passes through the first L-shaped plate, and adjustment nuts are respectively provided on both sides of the first L-shaped plate, and the lower end of the first L-shaped plate is hinged to the ground.

[0011] Furthermore, the front-end slag cleaning assembly also includes a second protective cover, the second driving mechanism is installed in the second protective cover, a second guide rail is provided in the second protective cover, a second guide rail is provided in the second guide wheel connected to the second connecting rod, and the second connecting rod passes through the second protective cover upward.

[0012] Furthermore, the extended end of the second telescopic mechanism is rotatably connected to the lower end of the second connecting rod, and the second connecting rod extends obliquely along the moving direction of the steel billet.

[0013] Furthermore, the second protective cover is hinged to the ground, the second telescopic mechanism is connected to the bottom of the second protective cover, the second protective cover is provided with a second adjustment mechanism, the second adjustment mechanism includes a second L-shaped plate and a second screw, the upper end of the second screw is hinged to the second protective cover, the lower end of the second screw passes through the second L-shaped plate, and adjustment nuts are respectively provided on both sides of the second L-shaped plate, and the lower end of the second L-shaped plate is hinged to the ground.

[0014] Beneficial Effects

[0015] Compared with the prior art, the utility model has the following advantages:

[0016] The utility model can directly remove the cutting slag of the steel billet online, which not only improves the heat delivery rate, reduces the energy consumption required for heating the steel billet, and reduces the rolling quality defects below the link of offline finishing and grinding, but also has low investment cost and easy maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a schematic diagram of the structure of the actual installation of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the terminal slag cleaning component in the utility model;

[0019] Figure 3 It is a structural schematic diagram of the front-end slag cleaning component in the utility model.

[0020] Among them: 1- conveying roller, 2- end slag cleaning assembly, 3- front slag cleaning assembly, 4- first telescopic mechanism, 5- first connecting rod, 6- first mounting seat, 7- first tool, 8- first scraping tooth, 9- first spring, 10- second telescopic mechanism, 11- second connecting rod, 12- second mounting seat, 13- second tool, 14- second scraping tooth, 15- second spring, 16- first protective cover, 17- first guide rail, 18- first guide wheel, 19- second protective cover, 20- second guide rail, 21- second guide wheel, 22- billet, 23- first L-shaped plate, 24- first screw, 25- adjusting nut, 26- second L-shaped plate, 27- second screw. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the specific embodiments in the accompanying drawings.

[0022] See also Figure 1 to Figure 3 An automatic slag cleaning device for continuous casting steel billets includes a controller, a terminal slag cleaning component 2 installed below the downstream of a conveying roller 1, and a front slag cleaning component 3 installed below the upstream of the conveying roller 1.

[0023] The end slag cleaning assembly 2 is used to remove the cutting slag at the end of the steel billet 22. The end slag cleaning assembly 2 includes a first telescopic mechanism 4 extending toward the conveyor roller 1, the protruding end of the first telescopic mechanism 4 is connected to a first connecting rod 5, a first mounting seat 6 is provided on the top of the first connecting rod 5, a first tool 7 is provided on the first mounting seat 6, a first scraping tooth 8 is provided on the top of the first tool 7, one end of the first tool 7 is rotatably connected to the first mounting seat 6, and the other end is connected to the first mounting seat 6 through a first spring 9, and under the action of the first spring 9, the first scraping tooth 8 can be ensured to effectively contact the bottom of the steel billet 22, thereby effectively removing the cutting slag.

[0024] The end slag cleaning assembly 2 also includes a first protective cover 16, and the first telescopic mechanism 4 is installed in the first protective cover 16. A first guide rail 17 is provided in the first protective cover 16, and a first guide wheel 18 connected to the first connecting rod 5 is provided in the first guide rail 17. The first connecting rod 5 moves up and down along the first guide rail 17, and the first connecting rod 5 passes through the first protective cover 16 upward. The first protective cover 16 can prevent the high-temperature cutting slag from damaging the first telescopic mechanism 4.

[0025] The extended end of the first telescopic mechanism 4 is rotatably connected to the lower end of the first connecting rod 5, which can prevent the first telescopic mechanism 4 and the first connecting rod 5 from being stuck due to the first connecting rod 5 not being in the same straight line. The first connecting rod 5 extends obliquely in the opposite direction of the movement of the steel billet 22, so that there is a better angle between the first cutter 7 and the steel billet 22 for scraping off the cutting slag.

[0026] Furthermore, the first protective cover 16 is hinged to the ground, the first telescopic mechanism 4 is connected to the bottom of the first protective cover 16, and the first protective cover 16 is provided with a first adjustment mechanism. The first adjustment mechanism includes a first L-shaped plate 23 and a first screw 24. The upper end of the first screw 24 is hinged to the first protective cover 16, the lower end of the first screw 24 passes through the first L-shaped plate 23, and adjustment nuts 25 are respectively provided on both sides of the first L-shaped plate 23. The lower end of the first L-shaped plate 23 is hinged to the ground. By adjusting the extension length of the first screw 24, the inclination angle between the first connecting rod 5 and the steel billet 22 can be easily adjusted. After the inclination angle is adjusted, it is locked by two adjustment nuts 25. Generally, the inclination angle only needs to be adjusted once, and no adjustment is required in the subsequent sequence.

[0027] The front-end slag cleaning component 3 is used to remove the cutting slag at the front end of the steel billet 22. The front-end slag cleaning component 3 has a similar structure to the end slag cleaning component 2. The front-end slag cleaning component 3 includes a second telescopic mechanism 10 extending toward the conveyor roller 1. The protruding end of the second telescopic mechanism 10 is connected to a second connecting rod 11. A second mounting seat 12 is provided on the top of the second connecting rod 11. The second mounting seat 12 is provided with a second tool 13. A second scraping tooth 14 is provided on the top of the second tool 13. One end of the second tool 13 is rotatably connected to the second mounting seat 12, and the other end is connected to the second mounting seat 12 through a second spring 15. Under the action of the second spring 15, the second scraping tooth 14 can be ensured to effectively contact the bottom of the steel billet 22, thereby effectively removing the cutting slag.

[0028] The front-end slag cleaning assembly 3 also includes a second protective cover 19, the second telescopic mechanism 10 is installed in the second protective cover 19, a second guide rail 20 is provided in the second protective cover 19, a second guide rail 20 is provided in the second guide wheel 21 connected to the second connecting rod 11, and the second connecting rod 11 passes through the second protective cover 19 upward.

[0029] The extended end of the second telescopic mechanism 10 is rotatably connected to the lower end of the second connecting rod 11, and the second connecting rod 11 extends obliquely along the movement direction of the steel billet 22, that is, the extension direction of the second connecting rod 11 is opposite to the extension direction of the first connecting rod 5, so that there is a better angle between the second tool 13 and the steel billet 22 for scraping off the cutting slag.

[0030] The second protective cover 19 is hinged to the ground, the second telescopic mechanism 10 is connected to the bottom of the second protective cover 19, the second protective cover 19 is provided with a second adjusting mechanism, the second adjusting mechanism includes a second L-shaped plate 26 and a second screw 27, the upper end of the second screw 27 is hinged to the second protective cover 19, the lower end of the second screw 27 passes through the second L-shaped plate 26, and adjusting nuts 25 are respectively provided on both sides of the second L-shaped plate 26, the lower end of the second L-shaped plate 26 is hinged to the ground, and the second adjusting mechanism is used to facilitate the adjustment of the inclination angle of the second connecting rod 11.

[0031] The first telescopic mechanism 4 and the second telescopic mechanism 10 are any one of a pneumatic cylinder, a hydraulic cylinder, and an electric push rod.

[0032] Preferably, the first telescopic mechanism 4 and the second telescopic mechanism 10 are both 0.6 MPa cylinders, and the first tool 7 and the second tool 13 are both made of high-speed steel.

[0033] The controller is electrically connected to the first telescopic mechanism 4 and the second telescopic mechanism 10, and the controller signal is connected to the data acquisition equipment of the fire cutting machine and the conveyor roller 1. The data acquisition equipment is used to detect the moving position of the steel billet 22 in real time. Preferably, the data acquisition equipment is a hot metal detector.

[0034] The controller controls the first telescopic mechanism 4 and the second telescopic mechanism 10 to work respectively according to the cutting completion signal of the flame cutting machine and the moving position of the billet 22, so as to effectively remove the cutting slag of the continuous casting billet.

[0035] The above are only preferred implementations of the utility model. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the utility model, which will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. An automatic slag removal device for continuous casting steel billets, It is characterized in that The invention comprises a controller, a terminal slag cleaning component (2) installed at the lower downstream of a conveying roller (1), and a front-end slag cleaning component (3) installed at the lower upstream of the conveying roller (1); the terminal slag cleaning component (2) comprises a first telescopic mechanism (4) extending toward the conveying roller (1), the protruding end of the first telescopic mechanism (4) is connected to a first connecting rod (5), a first mounting seat (6) is provided at the top of the first connecting rod (5), a first tool (7) is provided at the first mounting seat (6), a first scraping tooth (8) is provided at the top of the first tool (7), one end of the first tool (7) is rotatably connected to the first mounting seat (6), and the other end is connected to the first mounting seat (6) via a first spring (9); the front-end slag cleaning component (2) comprises a first telescopic mechanism (4) extending toward the conveying roller (1), the protruding end of the first telescopic mechanism (4) is connected to a first connecting rod (5), a first mounting seat (6) is provided at the top of the first connecting rod (5), a first mounting seat (6) is provided with a first tool (7), a first scraping tooth (8) is provided at the top of the first tool (7), one end of the first tool (7) is rotatably connected to the first mounting seat (6), and the other end is connected to the first mounting seat (6) via a first spring (9); The component (3) comprises a second telescopic mechanism (10) extending toward the conveyor roller (1), the protruding end of the second telescopic mechanism (10) is connected to a second connecting rod (11), the top of the second connecting rod (11) is provided with a second mounting seat (12), the second mounting seat (12) is provided with a second tool (13), the top of the second tool (13) is provided with a second scraper (14), one end of the second tool (13) is rotatably connected to the second mounting seat (12), and the other end is connected to the second mounting seat (12) via a second spring (15); the controller is electrically connected to the first telescopic mechanism (4) and the second telescopic mechanism (10), and the controller signal is connected to the fire cutting machine and the data acquisition equipment of the conveyor roller (1).

2. The automatic slag cleaning device for continuous casting steel billet according to claim 1, It is characterized in that The first telescopic mechanism (4) and the second telescopic mechanism (10) are any one of a pneumatic cylinder, a hydraulic cylinder, and an electric push rod.

3. The automatic slag cleaning device for continuous casting steel billet according to claim 2, It is characterized in that The first telescopic mechanism (4) and the second telescopic mechanism (10) are both 0.6 MPa cylinders.

4. The automatic slag cleaning device for continuous casting steel billet according to claim 1, It is characterized in that The first tool (7) and the second tool (13) are both made of high-speed steel.

5. The automatic slag cleaning device for continuous casting steel billet according to claim 1, It is characterized in that The terminal slag cleaning assembly (2) also includes a first protective cover (16), the first telescopic mechanism (4) is installed in the first protective cover (16), a first guide rail (17) is provided in the first protective cover (16), a first guide wheel (18) connected to the first connecting rod (5) is provided in the first guide rail (17), and the first connecting rod (5) passes through the first protective cover (16) upward.

6. The automatic slag cleaning device for continuous casting steel billet according to claim 5, It is characterized in that The extended end of the first telescopic mechanism (4) is rotatably connected to the lower end of the first connecting rod (5), and the first connecting rod (5) extends obliquely in the opposite direction of the movement of the steel billet (22).

7. The automatic slag cleaning device for continuous casting steel billet according to claim 6, It is characterized in that The first protective cover (16) is hinged to the ground, the first telescopic mechanism (4) is connected to the bottom of the first protective cover (16), the first protective cover (16) is provided with a first adjustment mechanism, the first adjustment mechanism comprises a first L-shaped plate (23) and a first screw rod (24), the upper end of the first screw rod (24) is hinged to the first protective cover (16), the lower end of the first screw rod (24) passes through the first L-shaped plate (23), and adjustment nuts (25) are respectively provided on both sides of the first L-shaped plate (23), and the lower end of the first L-shaped plate (23) is hinged to the ground.

8. The automatic slag cleaning device for continuous casting steel billet according to claim 1, It is characterized in that The front-end slag cleaning assembly (3) also includes a second protective cover (19), the second telescopic mechanism (10) is installed in the second protective cover (19), a second guide rail (20) is provided in the second protective cover (19), a second guide rail (20) is provided in the second guide rail (20) and a second guide wheel (21) connected to the second connecting rod (11) is provided, and the second connecting rod (11) passes through the second protective cover (19) upward.

9. The automatic slag cleaning device for continuous casting steel billet according to claim 8, It is characterized in that The extended end of the second telescopic mechanism (10) is rotatably connected to the lower end of the second connecting rod (11), and the second connecting rod (11) extends obliquely along the moving direction of the steel billet (22).

10. The automatic slag cleaning device for continuous casting steel billet according to claim 9, It is characterized in that The second protective cover (19) is hinged to the ground, the second telescopic mechanism (10) is connected to the bottom of the second protective cover (19), the second protective cover (19) is provided with a second adjustment mechanism, the second adjustment mechanism comprises a second L-shaped plate (26) and a second screw rod (27), the upper end of the second screw rod (27) is hinged to the second protective cover (19), the lower end of the second screw rod (27) passes through the second L-shaped plate (26), and adjustment nuts (25) are respectively provided on both sides of the second L-shaped plate (26), and the lower end of the second L-shaped plate (26) is hinged to the ground.

Images