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CN-122007365-A - GIS dysmorphism aluminum alloy processing cooling device

CN122007365ACN 122007365 ACN122007365 ACN 122007365ACN-122007365-A

Abstract

The invention relates to the technical field of aluminum alloy casting, in particular to a GIS special-shaped aluminum alloy processing and cooling device, which comprises a box body and a rotating hole penetrating through the box body from front to back, wherein the rotating hole is connected with a rotating sleeve in a rotating mode, a die is arranged in the rotating sleeve, one end of the rotating sleeve, which is close to the back, is fixedly connected with an L-shaped external tooth ring, the external tooth ring extends to the outer side of the rotating hole and is meshed with a transmission gear, the gear is driven by a motor, the top of the box body is covered with a box cover, a liquid spraying pipe which is close to the front inner wall of the box body is arranged above the top of the rotating sleeve, and in the front and back directions, as the thicker position of a centrifugally cast casting piece is increased, the spraying of cooling liquid is reduced, so that the cooling liquid is more uniformly sprayed at each position in the axial direction of the casting piece, the quality of the formed casting piece is improved, in addition, the cooling liquid is stopped from the position without a workpiece is stopped, and the purpose of saving the cooling liquid is achieved.

Inventors

  • TIAN XIAOYU
  • GUO YUFENG
  • TANG LIANG
  • YUAN JUN

Assignees

  • 泰州康乾机械制造有限公司

Dates

Publication Date
20260512
Application Date
20260413

Claims (10)

  1. 1. A GIS special-shaped aluminum alloy processing cooling device comprises a box body and a rotating hole penetrating through the box body from front to back, wherein a rotating sleeve is connected in the rotating hole in a rotating mode, a die is installed in the rotating sleeve, the device is characterized in that an L-shaped outer tooth ring is fixedly connected to the rear end of the rotating sleeve, the outer tooth ring extends to the outer side of the rotating hole and is meshed with a transmission gear, the gear is driven by a motor, a box cover is covered on the top of the box body, a liquid spraying pipe fixedly connected with the front inner wall of the box body is arranged above the top of the rotating sleeve, one end of the liquid spraying pipe, close to the rear, penetrates through the box body and is fixedly connected with a first liquid pump, the first liquid pump is communicated with a cooling source assembly, a liquid spraying groove corresponding to the rotating sleeve is arranged on the inner wall of the liquid spraying pipe in a penetrating mode downwards, the length direction of the liquid spraying groove is in the front-rear direction, a plurality of shielding rings with gaps are connected to the outer wall of the liquid spraying pipe in a rotating mode, the shielding rings are in a mutually rotating mode and are in a sealing contact mode, the total length of the shielding rings are matched with the total length of the shielding rings and can rotate around the liquid spraying pipe.
  2. 2. The GIS special-shaped aluminum alloy processing and cooling device is characterized in that clamping grooves are formed in the outer wall of the top of a liquid spraying pipe along the axial direction, locking grooves are formed in the shielding ring in a penetrating mode up and down, T-shaped locking plates are connected in the locking grooves in a sliding mode up and down, the transverse portions of the locking plates are connected with the outer wall of the shielding ring through first tension springs, and the clamping grooves are distributed at intervals in the circumferential direction of the top of the liquid spraying pipe.
  3. 3. The GIS special-shaped aluminum alloy processing and cooling device is characterized in that an arc-shaped groove is formed in the inner wall of the shielding ring, an arc-shaped block is movably connected in the arc-shaped groove, and the arc-shaped block is fixedly connected with the outer wall of the liquid spraying pipe.
  4. 4. The GIS special-shaped aluminum alloy processing and cooling device is characterized in that semi-arc plates are correspondingly arranged on the left and right sides of the outer wall of a rotating sleeve, a cooling gap is formed between the inner wall of the semi-arc plates and the inner wall of the rotating sleeve, a liquid inlet gap is formed at the upper end of each semi-arc plate, a liquid outlet gap is formed at the lower end of each semi-arc plate, the liquid inlet gap corresponds to a liquid spraying groove, arc-shaped guide plates are fixedly connected to the upper ends of the semi-arc plates, the two guide plates are symmetrically attached to the outer surface of a shielding ring, a gap for a locking plate to rotate is formed at the upper ends of the two guide plates, and the front end and the rear end of each guide plate are fixedly connected with the inner wall of a box body.
  5. 5. The GIS special-shaped aluminum alloy processing and cooling device according to claim 4 is characterized in that a plurality of cooling rings are arranged in the cooling gap at intervals in the front-rear direction, the inner edges of the cooling rings are in movable contact with the outer surface of the rotating sleeve, and the outer edges of the cooling rings are fixedly connected with the inner wall of the semi-arc-shaped plate.
  6. 6. The GIS special-shaped aluminum alloy processing and cooling device according to claim 4 is characterized in that a second liquid pump is arranged inside the box body and below the rotating sleeve, one end of the second liquid pump is fixedly connected with a liquid outlet gap through a collecting box, and the other end of the second liquid pump is fixedly connected with a liquid outlet pipe.
  7. 7. The GIS special-shaped aluminum alloy processing and cooling device is characterized in that the inner side of a rotating sleeve is in sealing contact with a rear baffle ring at the rear end of a die, the rear baffle ring is in sliding sealing contact with the inner wall of the rotating sleeve, an L-shaped groove is formed in the front surface of the inner wall of the die and communicated with an arc-shaped outer wall of the die, an L-shaped strip is arranged in the L-shaped groove, an axial groove is formed in the inner wall of the rotating sleeve in the front-rear direction, one end of the L-shaped strip extends into the axial groove, a mounting groove for inserting the other end of the L-shaped strip is formed in the rear surface of the die, a stepped threaded hole communicated with the mounting groove is formed in the arc-shaped outer wall of the die, a mounting hole corresponding to the threaded hole is formed in one end of the L-shaped strip inserted into the mounting groove, a bolt penetrating through the mounting hole is connected in a threaded mode, a front baffle ring is arranged at the front position of the inner wall of the die, a jack is formed in the front position of the inner wall of the die, the front surface of the front baffle ring is fixedly connected with a bolt with the bolt and the bolt is inserted together.
  8. 8. The GIS special-shaped aluminum alloy processing and cooling device is characterized in that an L-shaped strip and an L-shaped groove slide in the radial direction of a rear baffle ring, a track groove is formed in the inner wall of the axial groove and is divided into a rear straight section and a front inclined section which are communicated with each other, the front inclined section of the track groove is far away from the center of a die from back to front, a track rod fixedly connected with the end part of the L-shaped strip is movably connected in the track groove, the die is formed by combining a plurality of split modules which are uniformly distributed and contacted in the circumferential direction, and the split modules are connected with the L-shaped strip.
  9. 9. The GIS special-shaped aluminum alloy processing and cooling device is characterized in that a box body penetrates through the front and rear of the box body and is fixedly connected with a lower sliding seat, the upper surface of the lower sliding seat is connected with an upper sliding seat in a sliding mode, the upper sliding seat and the lower sliding seat are located below a rotating sleeve, a wedge-shaped groove on the lower surface of the upper sliding seat is connected with a wedge-shaped strip on the upper surface of the lower sliding seat in a sliding mode, the upper sliding seat penetrates through the front side of the box body and is fixedly connected with a supporting seat, a buffer groove is formed in the upper surface of the supporting seat, the buffer groove is connected with a buffer block in a sliding mode, the buffer block is connected with the bottom of the buffer groove through a spring, a step groove is formed in the position, close to the rear, of the upper surface of the buffer block, and one end, close to the front of a die is placed in the step groove.
  10. 10. The GIS special-shaped aluminum alloy processing and cooling device according to claim 9, wherein the upper sliding seat is connected with the inner wall of the box body at the back through a second tension spring.

Description

GIS dysmorphism aluminum alloy processing cooling device Technical Field The invention relates to the technical field of aluminum alloy casting, in particular to a GIS special-shaped aluminum alloy processing and cooling device. Background The GIS gas-insulated metal-enclosed switchgear is a core complete set of equipment for high-voltage, ultra-high-voltage and ultra-high-voltage power transmission and transformation projects, has the outstanding advantages of compact structure, small occupied area, excellent insulating property, high operation stability, long maintenance period and the like, is widely applied to key scenes such as power grid hub substations, industrial power supply systems, new energy grid connection and the like, the operation reliability of the GIS gas-insulated metal-enclosed switchgear is directly related to safe and stable power supply of the whole power transmission and transformation network, and is used as a key structural component of GIS equipment, an external sealing shell, an internal insulating support cylinder, an air chamber separation cylinder and other core components, and is formed by casting and processing barrel-shaped special-shaped aluminum alloy materials due to the multiple functional requirements such as integral compact special-shaped layout, uniform electric field distribution, gas sealing protection and the like of the equipment. At present, the forming process of the barrel-shaped special-shaped annular aluminum alloy component is mainly centrifugal casting, the centrifugal casting is used as a common process of aluminum alloy precision casting, the core working principle is that molten aluminum alloy liquid is poured into an annular casting mold which rotates at a high speed, the molten aluminum alloy liquid is uniformly attached to the inner wall of the casting mold for forming under the action of centrifugal force, then the molten aluminum liquid is gradually cooled and solidified to form an annular cylindrical casting, in the centrifugal casting process, the cooling process is a key link for controlling internal stress, grain structure and forming precision of the casting, the conventional centrifugal casting cooling mode is mainly indirect cooling, namely, heat is transmitted to the cooling liquid by spraying water to the outer wall of the rotating casting mold for realizing casting cooling by virtue of the casting mold, but the conventional general cooling device has obvious technical defects that the water spraying position and water spraying amount of the conventional cooling device are fixed, the cooling coverage and the cooling strength are not adjustable, the structure characteristics of uneven wall thickness of the annular casting cannot be reinforced and cooled in a thick wall area, the thin wall area is weakened and cooled, the problems of thick wall area such as coarse cooling speed, concentrated grain structure and internal residual stress and deformation cracking occur, and the like are caused, and the cooling precision and the dimensional and the crack performance of the casting are influenced by the cooling is fast. Disclosure of Invention In order to make up the defects of the prior art, the invention provides a GIS special-shaped aluminum alloy processing and cooling device, in the front-back direction, as the thicker position of the casting in centrifugal casting increases the spraying of cooling liquid, the thinner position of the casting reduces the spraying of the cooling liquid, so that the cooling of each position in the axial direction of the casting is more uniform, the quality of the casting after molding is further improved, in addition, the flowing of the cooling liquid is stopped at the position without a workpiece, the cooling liquid is saved, and the purpose of saving energy is achieved. The technical scheme includes that the GIS special-shaped aluminum alloy processing and cooling device comprises a box body and a rotating hole penetrating through the box body front and back, a rotating sleeve is rotatably connected to the rotating hole, a die is installed in the rotating sleeve, the rear end of the rotating sleeve is fixedly connected with an L-shaped outer tooth ring, the outer tooth ring extends to the outer side of the rotating hole and is meshed with a transmission gear, the gear is driven by a motor, the top of the box body covers a box cover, a liquid spraying pipe fixedly connected with the front inner wall of the box body is arranged above the top of the rotating sleeve, the rear end of the liquid spraying pipe penetrates through the box body and is fixedly connected with a first liquid pump, the first liquid pump is communicated with a cooling source component, the inner wall of the liquid spraying pipe penetrates downwards and is provided with a groove corresponding to the rotating sleeve, the length direction of the liquid spraying groove is in the front-back direction, the outer wall of the liquid spraying pipe