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CN-117505796-B - Water film inspection tool and water film inspection method for double-belt continuous casting machine

CN117505796BCN 117505796 BCN117505796 BCN 117505796BCN-117505796-B

Abstract

The invention relates to the technical field of nonferrous metal forming, in particular to a double-belt continuous casting machine water film inspection tool and a water film inspection method. The automatic inspection device comprises a frame, a tensioning wheel and a driven wheel are arranged on the frame, a supporting roller is arranged between the tensioning wheel and the driven wheel, a cooling cavity is formed by the tensioning wheel, the driven wheel and the supporting roller in a surrounding mode, a plurality of water spraying devices are arranged in the cooling cavity, a support is arranged on the outer side of the supporting roller, a transparent inspection plate is arranged on the support, a high-speed camera is arranged on the outer side of the inspection plate, and the high-speed camera is electrically connected with an analysis system. According to the invention, the transparent inspection plate is arranged for simulating the condition that the water spraying device sprays on the steel strip to form the working water film, the high-speed camera is used for tracking and shooting the state of the working water film, the shot working water film is input into the analysis system, the analysis system is used for comparing and analyzing with the reference water film, and then the water spraying device is adjusted, so that the process requirement of a casting blank in the initial stage of production can be ensured, and the waste of materials is avoided.

Inventors

  • FENG XULONG
  • TANG XIAODONG
  • TU FANGBING
  • XIAO FUSHENG

Assignees

  • 德阳宏广智能装备有限责任公司

Dates

Publication Date
20260505
Application Date
20231019

Claims (10)

  1. 1. The utility model provides a two belt caster water film inspection frock, includes frame (500), be provided with take-up pulley (501) and follower (502) on frame (500), the region between take-up pulley (501) and follower (502) is provided with a plurality of backing rolls (503), and the axis of backing roll (503) is parallel with the axis of take-up pulley (501), follower (502) and backing roll (503) enclose into cooling chamber (504), be provided with a plurality of water jet equipment (505) in cooling chamber (504); The water spraying device is characterized in that a support (506) is arranged on the outer side, far away from the water spraying device (505), of the support (503), a transparent inspection plate (507) is arranged on the support (506), the water spraying device (505) is opposite to the inspection plate (507), a high-speed camera (508) is arranged on the outer side of the inspection plate (507), and the high-speed camera (508) is electrically connected with an analysis system.
  2. 2. The water film inspection tool for the twin-belt continuous casting machine as claimed in claim 1, wherein the inspection plate (507) comprises a plurality of insert plates (509), mounting grooves (510) are formed in the insert plates (509) and are arranged along the axial direction of the support rollers (503), and clamping strips (511) matched with the mounting grooves (510) are arranged on the support (506).
  3. 3. A twin belt caster water film inspection tool as claimed in claim 2, characterised in that the insert plate (509) is provided with a plurality of observation windows (512), the outer side of the observation windows (512) being provided with a transparent observation plate (513) for opening or closing the observation windows (512).
  4. 4. A twin-belt caster water film inspection tool as claimed in claim 3, wherein a hinge (514) is provided on the outer side of the insert plate (509), one end of the hinge (514) is connected to the insert plate (509), and the other end is connected to the observation plate (513).
  5. 5. A twin belt caster water film inspection tool as claimed in claim 3, wherein the observation window (512) is stepped, the observation plate (513) is matched with the observation window (512), a pressing strip (522) is arranged on the outer side of the observation plate (513), and the pressing strip (522) is connected with the plugboard (509) through a screw.
  6. 6. The double-belt continuous casting machine water film inspection tool as claimed in claim 1, wherein the bracket (506) is provided with an ear plate (515), and the ear plate (515) is connected with the stand (500) through bolts.
  7. 7. The double-belt continuous casting machine water film inspection tool as claimed in claim 1, wherein the water spraying device (505) comprises a main cooling water pipe (516) and a plurality of water diversion pipes (517) communicated with the main cooling water pipe (516), the end parts of the water diversion pipes (517) are provided with pressure equalizing boxes (518), a plurality of the pressure equalizing boxes (518) are arranged along the axial direction of the supporting rollers (503), a plurality of water spraying heads (519) are arranged at the bottoms of the pressure equalizing boxes (518), the water spraying heads (519) are opposite to the inner surface of a steel belt, and each water diversion pipe (517) is provided with an electric throttle valve (520).
  8. 8. The double-strip continuous casting machine water film inspection tool as claimed in claim 7, wherein an arc-shaped guide plate (521) is arranged between two adjacent support rollers (503), the guide plate (521) extends along the axial direction of the support rollers (503), the water spray head (519) is opposite to the arc surface of the guide plate (521), the lower end of the guide plate (521) is attached to the inspection plate (507), and the arc surface of the guide plate (521) is tangent to the inspection plate (507).
  9. 9. The twin belt caster water film inspection tool of claim 8, wherein the water spray head (519) is connected to the pressure equalizing tank (518) by a rotation mechanism for adjusting the angle of the water spray head (519) and the deflector (521).
  10. 10. A water film inspection method, adopting the double-belt continuous casting machine water film inspection tool as claimed in any one of claims 1-9, comprising the following steps: s1, determining different reference water films according to different process requirements, and inputting the forms of the reference water films into an analysis system; s2, opening a water spraying device (505), spraying cooling water to the surface of an inspection plate (507) by the water spraying device (505), and acquiring the form of a working water film by using a high-speed camera (508) and a flow rate sensor; S3, inputting the form of the working water film into an analysis system, and performing comparison analysis with a reference water film to obtain a comparison result; and S4, according to the comparison result, adjusting the water spraying device (505) until the working water film is identical to the reference water film in form.

Description

Water film inspection tool and water film inspection method for double-belt continuous casting machine Technical Field The invention relates to the technical field of nonferrous metal forming, in particular to a double-belt continuous casting machine water film inspection tool and a water film inspection method. Background The casting cavity of the double-belt continuous casting machine mainly comprises two fully-tensioned steel belts and a stop block chain between the steel belts, when casting operation is carried out, cooling water is required to be sprayed on the steel belts to cool the casting cavity, so that molten metal in the casting cavity is solidified and crystallized to form casting blanks, cooling water is an important casting process for cooling the casting cavity, the cooling water is output to the surfaces of the steel belts by a plurality of water spraying devices arranged between supporting rollers, water films are formed on the surfaces of the steel belts, the water films are formed in relation to the flow rate, the shape, the angle and the pressure of the water spraying devices sprayed to the steel belts, the factors can influence the shape, the flow rate and the thickness of the water films, the quality of the casting blanks is finally influenced, and in order to meet process requirements, the shape, the flow rate and the thickness of the water films at all positions on the surfaces of the steel belts are different. In the casting blank forming process, as the upper steel belt and the lower steel belt are opaque, workers cannot know the shape and thickness of the water films at all positions on the surfaces of the steel belts, most of workers judge the state of the water films at all positions through defects generated after casting blank forming so as to adjust the water spraying device, the shape, the flow speed and the thickness of the water films cannot be intuitively observed through operation, whether the water spraying device is adjusted in place can be judged only by detecting the shape of the formed casting blank, the adjusting process is very complicated, and a large amount of materials are wasted. Disclosure of Invention The invention aims to solve the technical problem of providing a double-belt continuous casting machine water film inspection tool and a water film inspection method, which are used for simulating the condition that a water spraying device sprays cooling water on a steel belt and inspecting the water film. The technical scheme adopted by the invention for solving the technical problems is that the double-belt continuous casting machine water film inspection tool comprises a rack, wherein a tensioning wheel and a driven wheel are arranged on the rack, a plurality of supporting rollers are arranged in a region between the tensioning wheel and the driven wheel, the axes of the supporting rollers are parallel to the axes of the tensioning wheel, the driven wheel and the supporting rollers form a cooling cavity, and a plurality of water spraying devices are arranged in the cooling cavity; The outside that water jet equipment was kept away from to the backing roll is provided with the support, be provided with transparent inspection board on the support, water jet equipment is relative with the inspection board, the outside of inspection board is provided with high-speed camera, high-speed camera is connected with analysis system electricity. Further, the inspection board comprises a plurality of inserting plates, the inserting plates are provided with mounting grooves which are arranged along the axial direction of the supporting roller, and the bracket is provided with clamping strips which are matched with the mounting grooves. Further, a plurality of observation windows are arranged on the plugboard, and a transparent observation plate for opening or closing the observation windows is arranged on the outer side of the observation windows. Further, the outside of picture peg is provided with the hinge, and the one end and the picture peg of hinge are connected, and the other end is connected with the observation board. Further, the observation window is in a step shape, the observation plate is matched with the observation window, a pressing strip is arranged on the outer side of the observation plate, and the pressing strip is connected with the inserting plate through a screw. Further, an ear plate is arranged on the support and is connected with the rack through bolts. Further, water jet equipment includes that cooling water is responsible for and many and cooling water are responsible for the shunt tubes of intercommunication, the tip of shunt tubes is provided with the pressure equalizing box, and is a plurality of the pressure equalizing box is arranged along the axis direction of backing roll, and the bottom of pressure equalizing box is provided with a plurality of sprinkler heads, the sprinkler head is relative with the steel band internal surface, every