Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
  • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
  • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
  • B22D11/053—Means for oscillating the moulds
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
  • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
  • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
  • B22D11/055—Cooling the moulds
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B22—CASTING; POWDER METALLURGY
  • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
  • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
  • B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
  • B22D11/057—Manufacturing or calibrating the moulds

Definitions

• the present invention relates to a mirror for continuous production used in a continuous production apparatus.
• Copper continuous mirrors are generally tandem mirrors, guys.
• This continuous production equipment is roughly classified into a vertical continuous production equipment and a horizontal continuous production equipment.
• molten steel charged into the tandis is passed through the immersion nozzle provided on the bottom wall of the tandis, and the molten steel inside the tandis is formed.
• molten steel injected into is cooled in ⁇ , it solidified to form the e le o coagulated et molten steel forming the Le were sequentially disposed below the mirror type, moth I mud over Being pulled out through the pinch rolls while being guided by the pool.
• the solidified shell is cooled by the cooling water sprayed from a number of nozzles arranged between the nozzles, gradually increasing its thickness, and having a predetermined cross-sectional shape.
• the ⁇ type is vibrated at a constant amplitude in the direction in which the mirror piece is pulled out. The vibration of was newly performed by mechanical means o
• a plurality of ultrasonic transducers attached at predetermined intervals on at least one straight line in the axial direction of the mold on the outer surface of each side wall of the mold for continuous production; The mold is vibrated in the axial direction by the vibrations of the plurality of ultrasonic transducers.
• the present invention when applied to a cyclic type for a horizontal continuous manufacturing apparatus, fine vibrations are applied to the rectangular type at a high frequency.
• the molten steel is not rafted from the connection between the tundish and the ⁇ due to the ⁇ vibration.
• each-side wall of type III was connected to the type III frame by, for example, a bolt.
• the vibration wave is held down by the triangle frame, and the vibration of the mirror shape results.
• Efficiency drops significantly and ⁇ It has been found that the tightening of the port fixing each side wall of the mold and the ⁇ -type frame is due to vibration.3) Loosening or the bolt may be damaged by vibration.
• Each of the side walls of the cylindrical shape has at least one cooling water passage therein along the axis of the triangle o
• the passage has a cooling water supply opening and a cooling water passage
• a cooling water supply pipe having a discharge opening on the outer surface of each of the side walls, one end of which is fixed to the cooling water supply opening, and one end of which is connected to the cooling water discharge opening
• the fixed cooling water discharge pipe is connected. However, at a position where the cooling water supply opening and the cooling water discharge opening correspond to the antinode of the vibration wave, the vibration wave is supplied to the cooling water connected to the cooling water supply opening.
• an object of the present invention is to use an ultrasonic vibrator in a continuous manufacturing apparatus to vibrate a mold in the direction of its toe line, and a mold for continuous structure having high vibration efficiency. ⁇ to provide
• Another object of the invention is to provide each of the ⁇ -shaped side walls with a proprietary frame.
• the bolts are not loosened due to the vibration of the ⁇ type, and the port is not damaged due to the vibration of the ⁇ type.
• Still another object of the present invention is to provide a cooling water supply opening, a cooling water discharge opening, a cooling water supply pipe, and a cooling water discharge opening provided on the outer surface of each mirror-shaped side wall.
• the purpose is to provide a mirror for continuous mirror making in which the connection with the pipe is not damaged by the vibration of the ⁇ type o
• a continuous mirror type mold comprising:
• a plurality of ultrasonic vibrators mounted at predetermined intervals on an outer surface of each side wall of the rectangular shape along at least one straight line in an axial direction of the rectangular shape;
• Each side wall of the mold is fixed to a ⁇ -shaped frame; each side wall has at least one cooling water passage therein along the axial direction;
• Each of the side walls is located at a position corresponding to at least two nodes of vibration waves generated in the axial direction of the triangle by the vibration of the plurality of ultrasonic transducers.
• the cooling water supply opening and the cooling water discharge opening are respectively arranged at positions corresponding to the nodes.
• FIG. 1 is a plan view of a mold for continuous production according to the present invention
• FIG. 2 is a partial cross-sectional explanatory view taken along line A--A of FIG. 1
• FIG. — FIG. 4 is a cross-sectional view taken along the line B
• FIG. 4 is a plan view showing another embodiment of the continuous structure mirror type according to the present invention.
• FIG. 1 is a plan view of the ⁇ type of the present invention
• FIG. 2 is a partially cutaway view taken along the line ⁇ - ⁇ of FIG. 1, and FIG. 1 to 3
• reference numeral 2 denotes a mirror type, and each side wall of the ⁇ type 2 is divided for each side, and on the outer surface thereof, a small number in the axial direction of the mirror type 2 is provided.
• a plurality of ultrasonic transducers 4 are attached at predetermined intervals along at least one straight line so as to penetrate a ⁇ -type frame 1 described later.
• Each of the ultrasonic vibrators 4 is connected to an ultrasonic oscillation power supply (not shown), and can generate vibration waves of the same wavelength in the axial direction of the type 2 o
• a plurality of ultrasonic vibrators 4 for example, to vibrate at a frequency of about 2 0 KHz, horizontal vibration wave I]?
• Raw Ji thereto is 9 0 o deflected in the vertical direction, As shown in Fig. 2-Coherent waves in the axial direction of type II, that is, in the same direction as the pull-out direction of the syrup. Oscillating in the direction of its axis
• 1 1a is the node of the vibration wave 11 and 1 1b is the antinode of the vibration wave 11 and the mounting position of the ultrasonic transducers 4 on each side wall of the mirror type 2 is the efficiency of the cycling type 2.
• the antinode lib of the vibration wave 11 is located at the position where both ends of the rectangular wave 2 are located, and the interval between the ultrasonic transducers 4 is the vibration wave 1 1 Equal to the length of the wavelength.
• the mounting position of the ultrasonic transducer 4 is the position corresponding to the node 11 a of the vibration wave 11.
• the plurality of ultrasonic transducers 4 are fixed by a port or the like to a plurality of projections 3 provided at positions corresponding to the nodes 11a on the outer surface of each side wall of the mold 2.
• reference numeral 10 denotes a mounting hole for the ultrasonic vibrator provided in the protrusion 3 .o
• the number of ultrasonic vibrators 4 mounted on each side wall of the mirror mold 2 is shown in FIG. In the example, there are two, but the size of the cypress type 2 is the same.], And a suitable number that can effectively vibrate the type 2 o 1 is a mirror for supporting the type 2 In the mold frame, each side wall of the mirror mold 2 is fixed to the square frame 1.
• each side wall of the square frame 1 and the square frame 2 Depends on the vibration of the plurality of ultrasonic transducers 4] 9, and corresponds to at least 2 nodes 11a of the vibration wave 11 generated in the axial direction of the mirror mold 2. It takes place at a location.
• 6 is a plurality of bolts for fixing each side wall of the cymbal 2 to the -type frame 1; Similarly, a plurality of nuts are used, and the fixing of the above-mentioned type I frames 1 and 2 to the respective side walls of the type 2 is carried out on the outer surface of each side wall of the type 2 as described in the above section 11a.
• O is performed on a plurality of projections 3 provided at positions corresponding to the positions o
• reference numeral 8 denotes a mounting hole for the root 6 provided on the projections 3 o
• Each side wall of the mold 2 has at least one cooling water passage 9 therein along the axial direction of the mold 2, and the passage 9 is provided with a cooling water supply opening 9 a. And an opening 9 b for cooling water discharge on the outer surface of each side wall of the mold 2 o
• the cooling water supply pipe 5 is connected to a cooling water source (not shown) by a pipe. Therefore, each side wall of the mold 2 passes through the cooling water supply pipe 5 in the passage 9 and is cooled by the cooling water discharged from the cooling water discharge pipe 5 '].
• the cooling water supply opening 9 a and the cooling water discharge opening 9 b provided on the outer surface of each side wall of the mold 2 are provided with the above-described shaft of the mold 2. It is arranged on the projection 3 at a position corresponding to the node 11a of the microwave 11 generated in the direction of the arrow. Therefore, the cooling water supply pipe 5 and the cooling water discharge pipe 5 ′ are provided at the positions corresponding to the nodes 11 a of the vibration wave 11 at the cooling water supply openings 9 a provided on the respective side walls of the mold 2. And cooling water discharge
• the cooling water discharge opening is located at the position corresponding to the uppermost node of the node 11a of the vibration wave 11 on each side wall of the type II 2.
• the cooling water supply opening 9a is arranged at the position corresponding to the lowermost node, and the two ultrasonic vibrators 4 are positioned at the position corresponding to the intermediate node.
• Each side wall of the ⁇ -type 2 is fixed to the mirror-type frame 1 at a position corresponding to all the nodes 11 a of the vibration wave 11. o
• each side wall of the rectangular frame 2 and the rectangular frame 1 must be fixed at a position corresponding to at least two nodes 11 a of the vibration wave 11.
• the position corresponding to the node 11a of the vibration wave 11 on each side wall of the mold 2 depends on the known detection means! ), Can be easily known or can be obtained by calculation o
• each side wall of the mold 2 has a vibration wave 11 generated in the axial direction of the mold 2 by the vibration of the plurality of ultrasonic transducers 4.
• the vibration waves 11 generated in the ⁇ -type 2 by the plurality of ultrasonic transducers 4 are not suppressed by the ⁇ ⁇ -type frame 1, and the j-type
• the bolts and the bolts 6 that fix the side walls 2 and the square frame 1 to each other are loosened by vibration, or that the bolts 6 are damaged by vibration. o.
• a cooling water supply opening 9a which is provided on the outer surface of each side wall of the mirror mold 2 and is connected to a cooling water supply pipe 5, and a cooling water discharge port to which a cooling water discharge pipe 5 'is connected. Since the openings 9 b are respectively arranged at positions corresponding to the nodes 11 a of the preceding vibration wave 11, the openings 9 b are formed by the plurality of ultrasonic vibrators 4] 3, and the vibration generated in the ⁇ type 2 The wave 11 is suppressed by the cooling water supply pipe 5 and the cooling water discharge pipe 5 ′ ⁇ 0 and the connection between the cooling water supply pipe 5 and the cooling water supply opening 9 a.
• connection between the cooling water discharge pipe 5 'and the cooling water discharge opening 9b may be damaged.o Therefore, the vibration efficiency given to the mold 2 of the ultrasonic vibrator 4 is remarkable. Improved, and the Type 2 can be vibrated in its axial direction with high efficiency o
• FIG. 4 is a plan view showing another embodiment of the mirror type of the present invention.
• each of the inquiry walls of the 'mold 2 ′ is formed integrally, and provided inside each of the side walls of the ⁇ mold 2 ′ along the axial direction of the ⁇ mold 2 ′.
• the present embodiment differs from the above-described embodiment shown in FIGS. 1 to 3 in that a plurality of cooling water passages 9 ′ are provided, other structures are the same as those of the embodiment shown in FIGS. 1 to 3. It is the same as The cooling water supply opening and the cooling water discharge opening of the plurality of cooling water passages 9 ′ are provided for each of the plurality of passages 9 ′ on the outer surface of each side wall of the mirror type 2 ′.
• the plurality of passages 9 ′ may be combined into one passage at both ends thereof, and one cooling water supply opening and one cooling water discharge opening may be provided.
• the plurality of ultrasonic vibrators are mounted on the outer surface of each of the ⁇ -shaped side walls along the ⁇ -shaped axis direction along one straight line at predetermined intervals.
• a plurality of straight lines in which the plurality of ultrasonic transducers are arranged in the axial direction of the shearing triangle, and the plurality of straight lines are arranged at predetermined intervals.
• the vibration effect in the axial direction of the ⁇ type can be further enhanced.
• the mirror type of the present invention can be applied to a mirror type for a vertical type continuous manufacturing apparatus and a mirror type for a horizontal type continuous manufacturing apparatus. It can vibrate with high efficiency in the axial direction.
• the molds are mounted on the outer surface of each side wall at a predetermined interval along at least one straight line in the axial direction of the mold.
• the plurality of ultrasonic transducers can vibrate the mold in the axial direction with high efficiency.o Therefore, the seizure of the piece on the inner surface of the mold is ensured. Is prevented. Then, tighten the bolts to secure each side wall of the ⁇ to the ⁇ frame.
• the port may not be loosened by the mirror-type vibration, and the port may be damaged by the ⁇ -shaped vibration.
• the cooling water provided on the outer surface of each side wall of the ⁇ -shaped Connection 7 between the supply opening and the cooling water discharge opening and the cooling water supply pipe and the cooling water discharge pipe; may be damaged by the vibration of the ⁇ o
• the mirror type of the present invention when applied to a horizontal type intermittent manufacturing apparatus, the seal at the connection between the tundish and the horizontal lynch type is substantially maintained. However, only the horizontal type can be vibrated in the axial direction with high efficiency. ⁇ Thus, according to the type of the present invention, there are many industrially useful effects.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Manufacturing & Machinery (AREA)
• Continuous Casting (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=11467124

Family Applications (1)

Country Status (7)

Cited By (1)

Families Citing this family (2)

Citations (1)

Family Cites Families (1)

• 1979
  • 1979-12-29 JP JP19280A patent/JPS5699052A/ja active Granted
• 1980
  • 1980-12-22 WO PCT/JP1980/000317 patent/WO1981001809A1/ja not_active Application Discontinuation
  • 1980-12-22 GB GB8124698A patent/GB2079201B/en not_active Expired
  • 1980-12-22 DE DE19803050165 patent/DE3050165C2/de not_active Expired
  • 1980-12-22 EP EP19810900077 patent/EP0042437A4/en not_active Withdrawn
  • 1980-12-22 BR BR8009006A patent/BR8009006A/pt unknown
  • 1980-12-24 IT IT8026978A patent/IT1134907B/it active

Patent Citations (1)

Also Published As

Similar Documents

Legal Events