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CN-122007391-A - Ladle electric roaster with adjusting function

CN122007391ACN 122007391 ACN122007391 ACN 122007391ACN-122007391-A

Abstract

The invention discloses an electric roaster for a casting ladle with an adjusting function, which relates to the technical field of casting ladles and comprises a supporting frame and a casting ladle arranged on the inner side of the supporting frame, wherein a tray is driven by a driver above the casting ladle on the inner side of the supporting frame, an electromagnetic coil is arranged on the inner side of the tray, and an adjusting auxiliary device is arranged on the inner side of the tray and used for tightening or releasing the electromagnetic coil. According to the invention, the adjusting auxiliary device is arranged, the winding coil of the driving motor is used for reducing the distance and matching with the guiding limit of the adjusting column, so that the central magnetic field intensity of the casting ladle can be directionally improved, the integral temperature difference of the casting ladle is controlled within 20 ℃, the differential heating requirements of large and small casting ladles can be adapted, the special coil does not need to be replaced, the baking requirements of each stage of low-temperature drying, medium-temperature preheating and high-temperature baking can be matched, the damage of the refractory layer is avoided, the heating efficiency is improved, and the equipment purchasing and maintenance cost is reduced.

Inventors

  • JIANG CHUNLAN
  • LIU QI
  • SUN WEIJUN

Assignees

  • 无锡市迪隆铸造有限公司

Dates

Publication Date
20260512
Application Date
20260313

Claims (8)

  1. 1. An electric roaster for ladle with adjusting function, characterized by comprising: the device comprises a support frame (1) and a casting ladle (2) placed on the inner side of the support frame (1), wherein a tray (3) is driven by a driver (4) when the inner side of the support frame (1) is positioned above the casting ladle (2); an electromagnetic coil (6), wherein the electromagnetic coil (6) is arranged on the inner side of the tray (3); The adjusting auxiliary device is positioned at the inner side of the tray (3) and used for tightening or releasing the electromagnetic coil (6), the adjusting auxiliary device comprises a plurality of adjusting columns (8) arranged at the inner side of the tray (3), one side of each adjusting column (8) is fixedly connected with an annular sleeve, and the electromagnetic coil (6) is supported through the annular sleeve, so that the electromagnetic coil (6) can be coiled in a scroll state; The step adjusting piece is positioned on the inner side of the tray (3) and is used for forming step adjustment on the adjusting column (8) in cooperation with the adjusting auxiliary device; and the longitudinal adjusting mechanism is positioned between the electromagnetic coil (6) and the tray (3) and is used for adjusting the state of the electromagnetic coil (6).
  2. 2. The ladle electric roaster with the adjusting function according to claim 1, wherein the adjusting auxiliary device further comprises a plurality of sliding grooves (7) formed in the inner side of the tray (3), a moving block (18) is slidably connected to the inner side of the sliding groove (7), a connecting spring (20) is installed between the moving block (18) and the sliding groove (7), the adjusting column (8) is rotatably connected to the bottom of the moving block (18), and a limiting component for limiting the adjusting column (8) is arranged above the adjusting column (8).
  3. 3. The ladle electric roaster with the adjusting function according to claim 2, wherein a rotating sleeve (5) is rotationally connected to the bottom of the tray (3), a winding sleeve (9) is arranged on the outer wall of the rotating sleeve (5), a shielding cover (12) is fixedly connected to the top of the tray (3), a driving motor (11) is mounted in the shielding cover (12), a connecting shaft (13) is fixedly connected to the output end of the driving motor (11), one end of the connecting shaft (13) penetrates through the inner side of the tray (3) and is fixedly connected with the rotating sleeve (5), and one end of the electromagnetic coil (6) is fixedly connected to the outer wall of the winding sleeve (9).
  4. 4. The ladle electric roaster with the adjusting function according to claim 2, wherein limiting blocks are fixedly connected to two sides of the moving block (18), limiting sliding grooves matched with the limiting blocks are formed in the inner sides of the sliding grooves (7), and the moving block (18) is in sliding connection with the sliding grooves (7) through the limiting blocks fixedly connected to two sides.
  5. 5. The ladle electric roaster with the adjusting function according to claim 3, wherein the longitudinal adjusting mechanism comprises a second electric push rod (27) arranged inside the rotating sleeve (5), the output end of the second electric push rod (27) is fixedly connected with a cross rod (23), the cross rod (23) is fixedly connected with the winding sleeve (9), and a rectangular groove matched with the cross rod (23) is formed in the inner side of the rotating sleeve (5).
  6. 6. The ladle electric roaster with the adjusting function according to claim 3, wherein the limiting assembly comprises a first electric push rod (17) arranged on the inner side of the shielding cover (12), the output end of the first electric push rod (17) penetrates through to the inner side of the tray (3) and is fixedly connected with a power plate (10), the bottom of the power plate (10) is fixedly connected with a plurality of plug-in blocks (19), and the plug-in blocks (19) are uniformly and correspondingly arranged above one moving block (18).
  7. 7. The ladle electric roaster with the adjusting function according to claim 6, wherein the limiting assembly further comprises an inclined surface (26) formed on the inner side of the moving block (18), a hanging frame (24) is fixedly connected to the bottom of the inserting block (19), a power wheel (25) is rotatably connected to the inner side of the hanging frame (24), and the power wheel (25) is abutted to the inclined surface (26).
  8. 8. The electric roaster for the ladle with the adjusting function according to claim 7, wherein the step adjusting piece comprises a power plate (10) consisting of a plurality of eddy-shaped arc plates, the outermost arc plates are fixedly connected to the bottom of the tray (3) through a bracket, the innermost arc plates are fixedly connected with the output end of the first electric push rod (17), the rest of the top parts of the head ends of the arc plates are fixedly connected with a rectangular rod (14), one end of the rectangular rod (14) penetrates through the inner side of the shielding cover (12) and is in sliding connection with the shielding cover (12), a circular ring (15) is fixedly connected to the top part of the rectangular rod (14), a pressing plate (21) and an L-shaped lifting block (22) are respectively fixedly connected to the top parts of the tail ends of the arc plates and the bottom of the arc plates, and the pressing plate (21) is attached to the top part of the next arc plate (22) under the arc plates.

Description

Ladle electric roaster with adjusting function Technical Field The invention relates to the technical field of casting ladles, in particular to an electric roaster for a casting ladle with an adjusting function. Background The ladle is used for casting workshop pouring operation, after molten metal is received in front of the furnace, the ladle is transported to a casting mould by a travelling crane for pouring, and the ladle is divided into a ladle, a teapot ladle, a ductile iron ladle and other types, and the ladle boom and the lifting ring are formed by forging and pressing. The ladle is used as core equipment for transferring molten metal in the fields of metallurgy and casting, and the drying, preheating and roasting quality of the refractory layer directly determines the safety and stability of casting operation. At present, fixed scroll type electromagnetic induction roaster is commonly adopted in industry to heat a casting ladle, and electromagnetic coils of the equipment are mostly of fixed-interval and fixed-form structures, and only a single horizontal radiation magnetic field can be generated. In practical application, the electromagnetic roaster with the fixed structure gradually exposes a plurality of short plates, namely, the magnetic field distribution is in the characteristics of 'strong edge and weak center', the heating rate of the central area of the large-caliber casting ladle is far lower than that of the edge, so that the fire-resistant layer is unevenly sintered, the residual moisture is easy to cause splashing risk during casting, secondly, the coil form is not adjustable and can not adapt to the heating requirements of casting ladles with different capacities, enterprises need to equip special roaster for casting ladles with different specifications, the equipment purchasing and maintaining cost is high, thirdly, the fixed magnetic field is difficult to directionally strengthen and heat the repaired area of the casting ladle with the fire-resistant layer at the bottom center, and the new and old fire-resistant layers are not tightly combined and are easy to crack and fall off in use, so the electric roaster for casting ladle with the adjusting function is provided for solving the problems Disclosure of Invention The invention aims to solve the problems that the electromagnetic coil used on an electromagnetic roaster for a casting ladle is fixed in shape and cannot be adjusted according to the use requirement, so that the magnetic field range of the electromagnetic roaster is strong at the edge and weak at the center in the process of roasting the casting ladle, and the roasting of the casting ladle is influenced by the magnetic field range, and provides the electromagnetic roaster for the casting ladle with the adjusting function. The electric roaster for the ladle comprises a support frame and a ladle arranged on the inner side of the support frame, wherein a tray is driven by a driver and arranged above the ladle on the inner side of the support frame, an electromagnetic coil is arranged on the inner side of the tray, an adjusting auxiliary device is arranged on the inner side of the tray and used for tightening or releasing the electromagnetic coil, the adjusting auxiliary device comprises a plurality of adjusting columns arranged on the inner side of the tray, one side of each adjusting column is fixedly connected with an annular sleeve, the electromagnetic coil is supported through the annular sleeve so as to be coiled in a scroll state, a step adjusting piece is arranged on the inner side of the tray and used for being matched with the adjusting auxiliary device to form step-type adjustment on the adjusting columns, and a longitudinal adjusting mechanism is arranged between the electromagnetic coil and the tray and used for adjusting the electromagnetic coil state. As still further scheme of the invention, the adjusting auxiliary device further comprises a plurality of sliding grooves formed in the inner side of the tray, a moving block is connected to the inner side of the sliding grooves in a sliding mode, a connecting spring is arranged between the moving block and the sliding grooves, the adjusting column is rotatably connected to the bottom of the moving block, and a limiting assembly used for limiting the adjusting column is arranged above the adjusting column. As a still further scheme of the invention, the bottom of the tray is rotatably connected with a rotating sleeve, the outer wall of the rotating sleeve is provided with a rolling sleeve, the top of the tray is fixedly connected with a shielding cover, a driving motor is arranged in the shielding cover, the output end of the driving motor is fixedly connected with a connecting shaft, one end of the connecting shaft penetrates through the inner side of the tray and is fixedly connected with the rotating sleeve, and one end of the electromagnetic coil is fixedly connected with the outer wall of the rolling sleeve. A