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CN-224222733-U - Ladle splashproof pouring device

CN224222733UCN 224222733 UCN224222733 UCN 224222733UCN-224222733-U

Abstract

The utility model discloses a splash-proof pouring device for a ladle, which comprises the ladle, a positioning shaft fixedly connected to the ladle, a lifting frame rotatably connected to the positioning shaft, a first lifting ring fixedly connected to the lifting frame and connected to the lifting frame, a pouring nozzle fixedly connected to the ladle, a rotating shaft rotatably connected to the pouring nozzle, a guide plate fixedly connected to the rotating shaft and used for guiding molten iron, an opening and closing assembly arranged on the pouring nozzle, a turnover assembly arranged on the lifting frame and a buffer assembly arranged on the ladle, wherein the ladle is driven to turn around the positioning shaft as an axis through the turnover assembly, and the rotating shaft and the guide plate are driven to rotate through the opening and closing assembly when the ladle is turned. The opening size of the outlet of the pouring nozzle is changed through the guide plate with the adjustable opening and closing angle, so that molten iron is guided to flow stably in different flow stages, the stability of the molten iron in flowing out is ensured, and splashing is reduced.

Inventors

  • SUN YANWEI
  • LIU SIJUN
  • Chu Guoxu

Assignees

  • 朝阳众拓机械制造有限公司

Dates

Publication Date
20260512
Application Date
20260410

Claims (8)

  1. 1. The splash-proof pouring device for the ladle comprises the ladle (11), a positioning shaft (12) fixedly connected to the ladle (11), a lifting frame (13) rotatably connected to the positioning shaft (12) and a first lifting ring (14) fixedly connected to the lifting frame (13) and connected to a crane, and is characterized by further comprising a pouring nozzle (15) fixedly connected to the ladle (11), a rotating shaft (16) rotatably connected to the pouring nozzle (15), a guide plate (17) fixedly connected to the rotating shaft (16) for guiding molten iron, an opening and closing assembly mounted on the pouring nozzle (15), a turnover assembly mounted on the lifting frame (13) and a buffer assembly mounted on the ladle (11), wherein the turnover assembly drives the ladle (11) to turn over by taking the positioning shaft (12) as an axis, and the rotating shaft (16) and the guide plate (17) are driven to rotate through an opening and closing assembly when the ladle (11) is turned over.
  2. 2. The splash-proof ladle pouring device according to claim 1, wherein two rotating shafts (16) are arranged, the two rotating shafts (16) are symmetrically arranged on the pouring nozzle (15), guide plates (17) are fixedly connected to the two rotating shafts (16), and molten iron pushes the guide plates (17) to be unfolded when flowing on the pouring nozzle (15).
  3. 3. A ladle splash-proof pouring device as claimed in claim 2, wherein the opening and closing assembly comprises a connecting plate (21) fixedly connected to the rotating shaft (16), a first spring (22) fixedly connected between the connecting plate (21) and the pouring nozzle (15), a sliding block (23) slidingly connected to the pouring nozzle (15), a balancing weight (24) fixedly connected to the sliding block (23), a roller seat (25) fixedly connected to the balancing weight (24) and a roller body (26) rotatably connected to the roller seat (25) and rolling on the connecting plate (21).
  4. 4. A ladle splash-proof pouring device according to claim 3, wherein the pouring nozzle (15) is provided with a chute at a position corresponding to the slide block (23), and the slide block (23) slides in the chute by gravity when the ladle (11) is tilted.
  5. 5. A ladle splash-proof pouring device as claimed in claim 4, wherein the roller body (26) is made of a high-temperature-resistant material, and the first spring (22) is compressed or stretched when the roller body (26) rolls on the connecting plate (21).
  6. 6. A ladle splash-proof pouring device as claimed in claim 5, wherein the overturning assembly comprises a positioning frame (31) fixedly connected to the lifting frame (13), a driving motor (32) fixedly connected to the positioning frame (31), a winding shaft (33) fixedly connected to the output end of the driving motor (32) and rotatably connected to the positioning frame (31), a second lifting ring (34) fixedly connected to the ladle (11) and a steel wire rope (35) fixedly connected between the second lifting ring (34) and the winding shaft (33), and the winding shaft (33) winds the steel wire rope (35) when rotating and pulls the second lifting ring (34) to be close to the winding shaft (35) through the steel wire rope.
  7. 7. A ladle splash-proof pouring device as claimed in claim 6, wherein the buffer assembly comprises a first fixing plate (41) fixedly connected to the ladle (11), a second fixing plate (42) fixedly connected to the lifting frame (13), a sliding rod (43) slidingly connected to the second fixing plate (42), a retaining plate (44) fixedly connected to the sliding rod (43) and a second spring (45) fixedly connected between the retaining plate (44) and the second fixing plate (42), and the second spring (45) compresses or expands when the sliding rod (43) slides on the second fixing plate (42).
  8. 8. A ladle splash proof pouring device as claimed in claim 7, wherein the end of the retaining plate (44) close to the first fixing plate (41) is arc-shaped, and the retaining plate (44) is contacted with the first fixing plate (41) through the arc-shaped end.

Description

Ladle splashproof pouring device Technical Field The utility model relates to the technical field of metal casting, in particular to a splash-proof pouring device for a ladle. Background The ladle is widely applied to workshop pouring operation in the foundry industry, stores and transports molten iron to a pouring area, and in the pouring process, the ladle opening is simple in structure and lacks guidance, so that molten iron flows are extremely easy to produce violent splashing, high-temperature molten metal is wasted, scalding accidents are frequently caused, and serious threat is formed to peripheral equipment and environment. The invention discloses a ladle for pouring, which is described in a ladle for pouring (publication No. CN 111822688A) according to a patent net, and comprises a ladle body, a door frame and a locking mechanism, wherein two sides of the ladle body are symmetrically provided with a main shaft, the main shaft is provided with a ring groove, a positioning block is fixedly arranged on the right main shaft, a first cylindrical hole is arranged on the positioning block, the back surface of the ladle body is provided with a handle, the door frame is rotationally hooked with the ring groove, a second cylindrical hole is arranged on the right side of the door frame, a guide sleeve is arranged in the second cylindrical hole, the locking mechanism consists of a handle, a bracket, a locking handle, a support frame, a locking pin, a pressure spring and a steel wire rope, so that when molten iron is poured into the ladle body from the large ladle, the ladle body is prevented from shaking, scalding accidents caused by molten iron splashing are avoided, the handle is held by a left hand, the locking handle is kneaded, the locking handle is released by the limit locking of the ladle body, and the handle is pulled by the right hand, so that the ladle body is stably held in an alignment with a pouring port of a mould. However, according to the above, the above apparatus has the following problems: The pouring nozzle of the ladle is usually of an open structure with a fixed angle, the flow rate of molten iron is smaller at the initial stage and the final stage of pouring, the flow speed is slower, the molten iron is easy to flow back or scatter along the lower edge of the nozzle due to the action of surface tension, and splashing is caused, while in the middle stage of pouring, the flow rate of molten iron is large, the impact force is strong, turbulence and splashing are easy to generate at an outlet, and the fixed angle cannot control the flowing state of different flow stages. Disclosure of utility model The utility model aims to provide a ladle splash-proof pouring device, which solves the problem that molten iron splashes due to a fixed-angle and open pouring nozzle in the prior art. The utility model provides a splash-proof pouring device for a ladle, which comprises the ladle, a positioning shaft fixedly connected to the ladle, a lifting frame rotationally connected to the positioning shaft, a first lifting ring fixedly connected to the lifting frame and connected to a crane, a pouring nozzle fixedly connected to the ladle, a rotating shaft rotationally connected to the pouring nozzle, a guide plate fixedly connected to the rotating shaft for guiding molten iron, an opening and closing assembly arranged on the pouring nozzle, a turnover assembly arranged on the lifting frame and a buffer assembly arranged on the ladle, wherein the ladle is driven to turn around the positioning shaft as an axle center by the turnover assembly, and the rotating shaft and the guide plate are driven to rotate by the opening and closing assembly when the ladle is turned. Based on this technical scheme preferred, the axis of rotation is provided with two, and two axis of rotation symmetry install on the pouring nozzle, and equal fixedly connected with guide plate in two axis of rotation, and the molten iron promotes the guide plate to expand when flowing on the pouring nozzle. Based on this technical scheme is preferred, the subassembly that opens and shuts includes fixed connection in the epaxial connecting plate of rotation, fixed connection between connecting plate and pouring nozzle first spring, sliding connection slider on the pouring nozzle, the balancing weight of fixed connection on the slider, fixed connection gyro wheel seat on the balancing weight and rotate the gyro wheel body of connecting on the gyro wheel seat and rolling on the connecting plate. Based on the technical scheme, the pouring nozzle is provided with the sliding groove at the corresponding position of the sliding block, and when the ladle is inclined, the sliding block slides in the sliding groove through gravity. Based on this technical scheme preference, the gyro wheel body is high temperature resistant material, and when the gyro wheel body rolls on the connecting plate, first spring compression or extension. Based on this technical s