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CN-121972640-A - Large casting ladle stabilizing device based on laser measurement and positioning pouring method

CN121972640ACN 121972640 ACN121972640 ACN 121972640ACN-121972640-A

Abstract

The invention relates to a large casting ladle stabilizing device based on laser measurement, belongs to the technical field of metal casting, and aims to solve the technical problems that a ladle is easy to shake, the positioning accuracy is low, manual intervention is more, and the distance between a casting mould and the ladle cannot be adjusted in real time in the existing large casting pouring process. The device comprises a travelling crane system, a rotating mechanism, a casting ladle, a stabilizing component, a casting mould, an adjusting component, a total control cabinet system and a laser scanner, wherein the travelling crane system realizes three-dimensional movement of the casting ladle, the rotating mechanism drives the casting ladle to turn over, the stabilizing component limits the casting ladle to prevent shaking, the laser scanner detects the distance between a casting ladle nozzle and a pouring basin in real time, the total control cabinet system controls the adjusting component to drive the casting mould to move according to detection data so as to adjust the distance, and the matched sliding component is adapted to casting moulds with different sizes, and meanwhile, the corresponding positioning casting method is disclosed. The invention improves the stability and accuracy of casting, reduces casting defects, reduces the manual strength and adapts to the casting requirements of large castings with different specifications.

Inventors

  • MAO JIANFENG
  • JIANG AIMEI
  • WU ZHICHENG
  • JI HANCHENG

Assignees

  • 湖南鑫泉科技有限公司

Dates

Publication Date
20260505
Application Date
20260409

Claims (10)

  1. 1. The large casting ladle stabilizing device based on laser measurement comprises a travelling crane system arranged on a factory building support frame (1), wherein the travelling crane system comprises a bridge frame (11), a cart running mechanism (12), a lifting hook (13), a trolley running mechanism (14) and a lifting system (15), the bridge frame (11) is connected to the support frame (1) in a sliding manner through two groups of cart running mechanisms (12), the trolley running mechanism (14) is connected to the bridge frame (11) in a sliding manner, the lifting system (15) is fixedly connected to the upper surface of the trolley running mechanism (14) through bolts, and the lifting hook (13) is connected with a steel cable end of the lifting system (15), and the device is characterized in that; the casting ladle (3), the casting ladle (3) is composed of a ladle body, a ladle nozzle (31), a ladle lining and a revolving mechanism (2); The rotary mechanism (2) comprises a hanging bracket (21), a speed reducer (23) and a motor, wherein the hanging bracket (21) is hung and fixedly connected to the hanging hook (13), the hanging bracket (21) is rotationally connected to the outer side of the casting ladle (3) through a rotating shaft, the speed reducer (23) is fixedly connected to one side of the hanging bracket (21) in a welding way, the output end of the motor is fixedly connected with the input end of the speed reducer (23), the output end of the speed reducer (23) is fixedly connected with the rotating shaft, and the motor drives the casting ladle (3) to turn over through the speed reducer (23); The stabilizing assembly comprises two guide rods I (24) and a positioning plate (25), wherein the two guide rods I (24) are fixedly connected to one side of the lifting frame (21) facing the trolley running mechanism (14) in a parallel welding mode, the positioning plate (25) is sleeved on the outer walls of the two guide rods I (24) and is fixedly connected to the bottom end of the guide rods I (24) in a welding mode, when the lifting frame (21) rises to a set height, one end, far away from the lifting frame (21), of the guide rods I (24) is inserted into a positioning hole of the trolley running mechanism (14), the positioning plate (25) is attached to the upper surface of the trolley running mechanism (14), limiting of the ladle (3) in the front-back and left-right directions is achieved, and the ladle (3) is prevented from swinging; The casting mold (4) is arranged below the travelling crane system, and a pouring basin (41) is arranged at the top of the casting mold (4); The casting mold casting machine comprises a total control cabinet system (6) and a laser scanner (7), wherein the total control cabinet system (6) is arranged on one side of a casting mold (4), the laser scanner (7) faces towards the relative position of a ladle nozzle (31) of a casting ladle (3) and a pouring basin (41), the laser scanner (7) detects the distance between the ladle nozzle (31) of the casting ladle (3) and the pouring basin (41) in real time, and detection data are transmitted to the total control cabinet system (6).
  2. 2. The large casting ladle stabilizing device based on laser measurement according to claim 1, wherein one side of the hanging bracket (21) is rotationally connected with two symmetrically distributed rotating plates (26), a limiting pin (27) is fixedly arranged between the two rotating plates (26) in a penetrating manner, a limiting seat (28) positioned between the two rotating plates (26) is fixedly welded at the top of the ladle (3), and after the inner side of the rotating plate (26) is attached to the limiting seat (28), the limiting pin (27) is inserted into the rotating plates (26) to limit the moving ladle (3) so as to prevent the ladle (3) from being overturned accidentally.
  3. 3. The large casting ladle stabilizing device based on laser measurement according to claim 2, further comprising an adjusting assembly (8), wherein the adjusting assembly (8) comprises two limiting shaft parts (84) and two electric pushing rods (81), the two limiting shaft parts (84) are respectively welded and fixedly connected to two sides of the hanging bracket (21), the two electric pushing rods (81) are respectively sleeved on the outer walls of the corresponding limiting shaft parts (84), and connecting rods (82) are fixedly connected to the other ends of the two electric pushing rods (81); one side welding rigid coupling that mould (4) are close to runner basin (41) has two connecting seats (42), U-shaped mouth (43) have been seted up at connecting seat (42) top, in U-shaped mouth (43) were gone into in connecting rod (82) card, and electric putter (81) flexible drive mould (4) remove, adjusts the interval of runner basin (41) and package mouth (31).
  4. 4. A large casting ladle stabilizing device based on laser measurement according to claim 3, wherein the outer wall of the connecting rod (82) is rotatably sleeved with two rollers (83), and the two rollers (83) are respectively arranged close to two ends of the connecting rod (82) to avoid the contact between the bottom end of the electric push rod (81) and the ground.
  5. 5. The large casting ladle stabilizing device based on laser measurement according to claim 3, wherein the limiting shaft piece (84) comprises a connecting shaft (841), a sliding block (845), a limiting block (844) and a rotating ring (842), the connecting shaft (841) is fixedly connected to one side of the hanging bracket (21), an annular groove (843) is formed in the outer wall of the connecting shaft (841), the sliding block (845) is fixedly connected to the inner side wall of the annular groove (843) through bolts, the rotating ring (842) is rotatably sleeved on the outer wall of the connecting shaft (841), the limiting block (844) is fixedly connected to the inner side of the rotating ring (842) through welding and is attached to the sliding block (845), one end of the electric push rod (81) is fixedly sleeved on the outer wall of the rotating ring (842), and the sliding block (845) and the limiting block (844) are matched to limit the rotating angle of the rotating ring (842), so that the angle of the electric push rod (81) is adjusted.
  6. 6. The large casting ladle stabilizing device based on laser measurement according to claim 5, further comprising two groups of sliding assemblies (5), wherein the two groups of sliding assemblies (5) are symmetrically arranged below the casting mold (4), the sliding assemblies (5) comprise a mounting seat (51), a guide rod II (55) and two sliding blocks (52), the mounting seat (51) is embedded in the ground, the guide rod II (55) is fixedly connected inside the mounting seat (51), the two sliding blocks (52) are both sleeved on the outer wall of the guide rod II (55) in a sliding manner, a jack is formed in the bottom of the casting mold (4), the top ends of the sliding blocks (52) are inserted in the jack, and the casting mold (4) slides along the guide rod II (55) along with the sliding blocks (52).
  7. 7. The large casting ladle stabilizing device based on laser measurement according to claim 6, wherein one side of the sliding block (52) is rotatably connected with a screw rod (53) through a bearing, the other sliding block (52) is in threaded sleeve connection with the outer wall of the screw rod (53), one end of the screw rod (53) is fixedly connected with a rectangular cushion block (54) in a welding mode, a spanner clamps the rectangular cushion block (54) to drive the screw rod (53) to rotate, the two sliding blocks (52) are driven to move along the guide rod II (55) in opposite directions or opposite directions, and the distance between the two sliding blocks (52) is adjusted to adapt to casting molds (4) with different sizes.
  8. 8. The large casting ladle stabilizing device based on laser measurement according to claim 7, further comprising a support (9), wherein one end of the support (9) is fixedly connected to the top of the total control cabinet system (6) in a welding mode, the other end of the support (9) is fixedly connected with a laser scanner (7) through bolts, the support (9) is a bendable metal support, the detection angle and the detection height of the laser scanner (7) are adjusted, and detection accuracy is guaranteed.
  9. 9. The large casting ladle stabilizing device based on laser measurement according to claim 8, wherein the bridge frame (11), the cart running mechanism (12) and the trolley running mechanism (14) are all in sliding connection through pulleys, the lifting system (15) drives the lifting hook (13) to vertically lift through winding and unwinding of a steel rope, and horizontal sliding of the cart running mechanism (12) and the trolley running mechanism (14) is matched with vertical lifting of the lifting hook (13), so that position adjustment of the ladle (3) in a three-dimensional space is realized.
  10. 10. A large casting positioning pouring method based on laser measurement, which is applied to the large casting ladle stabilizing device based on laser measurement as claimed in any one of claims 1 to 9, and is characterized by comprising the following steps: s1, a spanner clamps a rectangular cushion block (54), a screw rod (53) is rotated, the distance between two sliding blocks (52) is adjusted, a casting mould (4) is placed on a sliding component (5), and the top end of the sliding block (52) is inserted into an inserting hole at the bottom of the casting mould (4); S2, a main control cabinet system (6) controls a cart running mechanism (12) and a trolley running mechanism (14) of a running system to horizontally slide, a lifting system (15) is controlled to drive a lifting hook (13) to lift, a casting ladle (3) is lifted to the upper part of a casting mould (4), a lifting frame (21) is lifted to a set height, a guide rod I (24) is inserted into a positioning hole of the trolley running mechanism (14), a positioning plate (25) is attached to the upper surface of the trolley running mechanism (14), stable limiting of the casting ladle (3) is achieved, and a laser scanner (7) detects the distance between a ladle nozzle (31) and a pouring basin (41) in real time and transmits data to the main control cabinet system (6); S3, the master control cabinet system (6) controls the casting ladle (3) to descend according to the detection data, so that the connecting rod (82) is clamped into the U-shaped opening (43) of the connecting seat (42); S4, rotating the rotating plate (26) to enable the rotating plate to be far away from the limiting seat (28), and releasing the overturning limit of the ladle (3); S5, a main control cabinet system (6) controls a motor to work, the motor drives a rotating shaft to rotate through a speed reducer (23) and drives a casting ladle (3) to turn over, and molten metal in the casting ladle (3) flows into a pouring basin (41) through a ladle nozzle (31) and enters a casting mould (4) to finish casting; S6, in the pouring process, a laser scanner (7) continuously detects the distance, and if the molten metal drops, the total control cabinet system (6) controls the electric push rod (81) to stretch and retract to drive the casting mold (4) to move so as to adjust the distance; And S7, after the pouring is finished, the main control cabinet system (6) controls the motor to work reversely to drive the casting ladle (3) to reset, and controls the lifting system (15) and the travelling crane system to hoist the casting ladle (3) to a designated position.

Description

Large casting ladle stabilizing device based on laser measurement and positioning pouring method Technical Field The invention belongs to the technical field of metal casting, and relates to a large casting ladle stabilizing device based on laser measurement and a positioning pouring method. Background The large casting is used as a core basic part in the fields of equipment manufacturing, energy power, metallurgy heavy industry and the like, the casting forming quality directly determines the operation stability and the service life of the downstream large equipment, the casting process is a key process in the casting forming process of the large casting, and the positioning precision, the lifting stability and the accuracy of molten metal casting of a ladle in the casting process all play a decisive role in the forming quality of the large casting. At present, the weight of a large casting can reach tens tons or even hundreds tons, the corresponding casting mould size and height are increased, the casting operation is required to finish the transfer and casting of high-temperature molten metal by adopting a mode of lifting a casting ladle by a travelling crane system, the casting ladle matching device for casting the large casting in the prior art has a simple structure, no special positioning, stabilizing and adjusting structure is arranged, the whole casting operation still highly depends on manual operation and experience judgment, and the severe technological requirements of the casting operation of the large casting are difficult to meet. In the existing pouring operation, the casting ladle is hung on the lifting hook of the travelling crane system only through a simple lifting appliance, no shaking-preventing stable structure exists in the lifting process, and because the casting ladle is high in gravity center and large in lifting distance, the casting ladle is very easy to swing and displace in the horizontal sliding and vertical lifting processes of the travelling crane system, operators need to assist the casting ladle in a short distance through tools such as long rods and the like during pouring, the labor intensity of the operators is greatly increased, serious personal safety hazards exist due to the fact that the operators are close to high-temperature molten metal, and the casting ladle shakes to easily cause molten metal to splash, so that materials are wasted, and the problem of equipment high-temperature damage is easily caused. In the alignment link of the casting ladle and the casting mould, the accurate alignment of the ladle nozzle of the casting ladle and the casting mould pouring basin cannot be realized completely by naked eyes of operators, the alignment deviation easily causes casting defects such as molten metal splashing, partial casting, insufficient casting, slag rolling and the like, the rejection rate of large castings is obviously improved, meanwhile, the casting mould is mainly fixedly placed at a casting station, the distance between the casting mould and the ladle nozzle cannot be adjusted in real time according to the falling state of the molten metal in the casting process, and the casting deviation problem is further aggravated. Therefore, we propose a large casting ladle stabilizing device and a positioning pouring method based on laser measurement, which are used for solving the problems. Disclosure of Invention In view of the above, the present invention provides a large casting ladle stabilizing device and a positioning pouring method based on laser measurement in order to solve the above problems. The large casting ladle stabilizing device based on laser measurement comprises a travelling system arranged on a plant support frame, wherein the travelling system comprises a bridge frame, a cart running mechanism, a lifting hook, a cart running mechanism and a lifting system, the bridge frame is connected to the support frame in a sliding manner through two groups of cart running mechanisms, the cart running mechanism is connected to the bridge frame in a sliding manner, a lifting system bolt is fixedly connected to the upper surface of the cart running mechanism, and the lifting hook is connected with a steel rope end of the lifting system; the casting ladle consists of a ladle body, a ladle nozzle, a ladle lining and a revolving mechanism; the rotary mechanism comprises a hanging bracket, a speed reducer and a motor, wherein the hanging bracket is hung and fixedly connected with a hanging hook, the hanging bracket is rotationally connected to the outer side of a casting ladle through a rotating shaft, the speed reducer is fixedly connected to one side of the hanging bracket in a welding way, the output end of the motor is fixedly connected with the input end of the speed reducer, the output end of the speed reducer is fixedly connected with the rotating shaft, and the motor drives the casting ladle to turn over through the speed reducer; The stabilizing assembly