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CN-122007385-A - Rapid cooling device and method for casting engineering machinery castings

CN122007385ACN 122007385 ACN122007385 ACN 122007385ACN-122007385-A

Abstract

The invention discloses a rapid cooling device and a rapid cooling method for casting of engineering machinery castings, and relates to the technical field of casting cooling devices. The rapid cooling device and the rapid cooling method for the casting of the engineering machinery casting comprise a casing, a guide rail and a movable seat, wherein an air inlet pipe is fixed on the back of an exhaust pipe, the guide rail and the movable seat can convey the engineering machinery casting to be cooled into the casing, a cooling unit for cooling the engineering machinery casting is arranged in the casing, an air nozzle is fixed in the casing through a locating plate, a high-pressure air flow is blown out to drive a pneumatic deflector rod to rotate by taking a mounting shaft as an axis, an atomization nozzle is used for cooling the engineering machinery casting by sprayed cooling water, the thermal stress and deformation risks are reduced, a steam film on the surface of the casting can be disturbed, water drop penetration is promoted, the convection heat exchange coefficient is improved, and water mist is prevented from locally accumulating to form a 'steam pocket', so that the whole cooling speed is more stable and more efficient, and crack initiation and expansion are effectively inhibited.

Inventors

  • WANG JINLU
  • WANG JINHAN
  • WANG TIANJING
  • XUE HAIBO
  • WAN JUNYING

Assignees

  • 金工(晋城)智能装备有限公司

Dates

Publication Date
20260512
Application Date
20260313

Claims (10)

  1. 1. The utility model provides a quick cooling device is used in casting of engineering machine tool foundry goods, is fixed with casing (1) that the intake pipe is fixed with at the top, can carry the engineering machine tool foundry goods that wait to cool off to guide rail (12) in casing (1) and remove seat (13), a serial communication port, be provided with the cooling unit who cools off the engineering machine tool foundry goods in casing (1), remove and be provided with the clamping assembly who is used for fixing the engineering machine tool foundry goods that wait to cool off on seat (13), change the tilting assembly of engineering machine tool foundry goods angle and change regional water smoke distribution's water conservancy diversion subassembly, include in the cooling unit: One end of the mounting shaft (14) is movably mounted at the top of the movable seat (13); one end of a pneumatic deflector rod (15) is fixed on the side wall of the mounting shaft (14); a support plate (16) with the bottom fixed on the top of the mounting shaft (14); The air nozzle (17) is fixed in the shell (1) through a positioning plate, and blows high-pressure air flow to drive the pneumatic deflector rod (15) to rotate by taking the mounting shaft (14) as the axis; the atomizing nozzle (19) is arranged in the shell (1) through the mounting rod (18), and the atomized cooling water is sprayed out to cool the engineering machinery casting; the clamping assembly comprises: A fixed plate (25) positioned above the movable seat (13); the first clamping head (26) is arranged in the fixed plate (25) in a sliding penetrating way and is used for fixing the engineering machinery casting to be cooled; and one end of the second chuck (29) slides out from the fixed plate (25) to change the clamping position of the engineering machinery casting.
  2. 2. The rapid cooling device for casting of engineering machinery castings according to claim 1, wherein the clamping assembly further comprises: The cylinder (23) is fixed between the piston rod (231) and the fixing plate (25) and drives the fixing plate (25) to move so as to fix the engineering machinery casting; the sliding seat (24) is arranged outside the piston rod (231) in a sliding way, and the height of the fixing plate (25) is changed under the action of external force.
  3. 3. The rapid cooling device for casting of engineering machinery castings according to claim 2, wherein the clamping assembly further comprises: the bottom of the guide plate (2) is fixed at the top of the supporting plate (16), and the sliding sleeve is arranged outside the sliding seat (24) to limit the moving direction of the sliding seat (24); the bottom of the threaded rod (21) is movably arranged at the top of the supporting plate (16) and is in threaded fit with the sliding seat (24); And the output end of the motor (22) is fixed on the top of the threaded rod (21), and the threaded rod (21) is driven to rotate to change the height of the sliding seat (24).
  4. 4. The rapid cooling device for casting of engineering machinery castings according to claim 1, wherein the clamping assembly further comprises: The first connecting plate (27) is fixed on the first chuck (26) and is arranged in the fixed plate (25) in a sliding way; a first magnet (28) fixed on the first connecting plate (27); the second connecting plate (210) is fixed on the second chuck (29) and is arranged in the fixed plate (25) in a sliding penetrating way; a magnet II (211) fixed on the connecting plate II (210); the electromagnet group (212) is fixed on the fixed plate (25) and is magnetically matched with the first magnet (28) and the second magnet (211) to change the positions of the first clamping head (26) and the second clamping head (29).
  5. 5. The rapid cooling device for casting of engineering machinery castings according to claim 1, wherein the tilting assembly comprises: a sliding sleeve (3), one end of which is fixed on the fixed plate (25); One end of the sliding rod (31) is arranged in the sliding sleeve (3) in a sliding way, so that the deflection angle of the sliding sleeve (3) is limited; the two ends of the guide rod (32) are fixed on the sliding seat (24) and slide out from the sliding rod (31) to limit the moving direction of the sliding rod (31); a tilting magnet (33) with the bottom fixed on the top of the sliding rod (31); The bottom of the electromagnet I (34) is fixed at the top of the sliding seat (24); The second electromagnet (35) is fixed on the sliding seat (24), and the side wall is magnetically matched with the first electromagnet (34) and the inclined magnet (33) to change the angle of the fixed plate (25).
  6. 6. The rapid cooling device for casting of engineering machinery castings according to claim 1, wherein the flow guiding assembly comprises: The top of the push rod (4) is fixed at the bottom of the fixed plate (25), and the whole push rod is L-shaped; A push plate (41), the side wall of which is in sliding contact with the push rod (4); One end of the limiting rod (42) is arranged in the push plate (41) in a sliding penetrating way, so that the moving direction of the push plate (41) is limited; a spring (43) one end of which is fixed on the push plate (41); The mounting plate (44) is fixed at the top of the supporting plate (16), the side wall is fixed with the other end of the limiting rod (42), and the other end of the spring (43) is fixed on the mounting plate (44).
  7. 7. The rapid cooling device for casting of engineering machinery castings according to claim 6, wherein the flow guiding assembly further comprises: The guide plate (45) is hinged on the supporting plate (16) through a fixed shaft (46) and a torsion spring; the bottom of the inclined block (47) is fixed at the top of the guide plate (45), one end of the inclined block is provided with an inclined plane, and the angle of the guide plate (45) is changed under the driving of the push plate (41); One end of the limiting column (48) is fixed on the side wall of the guide plate (45), and the other end of the limiting column is arranged in the supporting plate (16) in a sliding penetrating way; and one end of the arc-shaped plate (49) is fixed at the bottom of the supporting plate (16), and the sliding sleeve is arranged outside the limiting column (48).
  8. 8. The rapid cooling device for casting of engineering machinery castings according to claim 7, wherein the flow guiding assembly further comprises: the expansion plate (411) is in sliding contact with the guide plate (45) and is matched with the guide plate (45) to change regional water mist distribution; And one end of the sliding block (410) is fixed on the expansion plate (411), and the other end of the sliding block is arranged in the supporting plate (16) in a sliding way.
  9. 9. A cooling method suitable for a rapid cooling apparatus for casting of a casting of an engineering machine according to any one of claims 1 to 8, comprising the steps of: s1, mounting an engineering machinery casting to be cooled on a movable seat (13) by using a clamping assembly; s2, controlling the movable seat (13) to drive the engineering machinery casting to enter the casing (1) along the guide rail (12), and cooling the engineering machinery casting by spraying water mist from the atomizing nozzle (19); S3, in the cooling process, changing the angle of the engineering machinery casting by the inclined component, and changing the water mist distribution of the lower half part of the engineering machinery casting by matching with the diversion component; And S4, taking down the engineering machinery casting after cooling, installing the next engineering machinery casting to be cooled, and repeating the steps S1-S3.
  10. 10. A cooling method of a rapid cooling device for casting of engineering machinery according to claim 9, wherein the angle change range of the engineering machinery casting is between 0 and 20 degrees.

Description

Rapid cooling device and method for casting engineering machinery castings Technical Field The invention relates to the technical field of casting cooling devices, in particular to a rapid cooling device and a rapid cooling method for casting of engineering machinery castings. Background After the casting is processed, the casting is usually required to be cooled to carry out subsequent processing operation, and a spray cooling device is usually used for cooling the casting at present, and when the casting is cooled, the cooling efficiency is greatly improved compared with the traditional slow cooling pit and furnace-following cooling, but because the nature of spray cooling is forced rapid cooling, the condition that the temperature gradient easily occurs to cause surface hot cracking or internal cold cracking of the casting is caused; For example, CN219616683U, which discloses a casting processing cooling device, the application adopts a motor to drive the casting to rotate in a spraying area, so as to reduce or eliminate spraying dead angles, but cannot avoid the problems of surface hot cracking or internal cold cracking caused by rapid cooling, CN219632588U, which discloses a casting cooling device capable of automatically controlling the water spraying amount and atomization degree, although adopting a gas-water atomizing nozzle to spray cooling water, so as to form fine water mist, and the cooling is more uniform, so as to reduce the risk of cracks, but the water mist is easy to form "steam pockets" in local accumulation, so that the problems of hot cracking or cold cracking occur due to local uneven cold and hot heating can be avoided; therefore, a rapid cooling device and a rapid cooling method for casting engineering machinery castings are provided. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a rapid cooling device and a rapid cooling method for casting of engineering machinery castings, and solves the problems in the background art. The invention aims at realizing the technical scheme that the quick cooling device for casting the engineering machinery casting comprises a casing, a guide rail and a movable seat, wherein an air inlet pipe is fixed on the back of the casing, the guide rail can convey the engineering machinery casting to be cooled into the casing, a cooling unit for cooling the engineering machinery casting is arranged in the casing, a clamping assembly for fixing the engineering machinery casting to be cooled, an inclined assembly for changing the angle of the engineering machinery casting and a diversion assembly for changing the water mist distribution in a region are arranged on the movable seat, and the cooling unit comprises: one end of the mounting shaft is movably mounted at the top of the movable seat; One end of the pneumatic deflector rod is fixed on the side wall of the mounting shaft; the bottom of the supporting plate is fixed at the top of the mounting shaft; The air nozzle is fixed in the shell through the locating plate, and blows out high-pressure air flow to drive the pneumatic deflector rod to rotate by taking the mounting shaft as the axis; The atomizing nozzle is arranged in the shell through the mounting rod, and the atomized cooling water is sprayed out to cool the engineering machinery casting; the clamping assembly comprises: The fixed plate is positioned above the movable seat; The first chuck is arranged in the fixed plate in a sliding penetrating way and is used for fixing the engineering machinery casting to be cooled; And one end of the second chuck slides out of the fixed plate to change the clamping position of the engineering machinery casting. Preferably, the clamping assembly further comprises an air cylinder, a sliding seat and a sliding seat, wherein the air cylinder is fixed between the piston rod and the fixed plate and drives the fixed plate to move so as to fix the engineering machinery casting, and the sliding seat is arranged outside the piston rod in a sliding penetrating mode and changes the height of the fixed plate under the action of external force. Preferably, the clamping assembly further comprises a guide plate, a threaded rod, a motor and a motor, wherein the bottom of the guide plate is fixed at the top of the supporting plate, the sliding sleeve is arranged outside the sliding seat to limit the moving direction of the sliding seat, the bottom of the threaded rod is movably arranged at the top of the supporting plate and is in threaded fit with the sliding seat, and the output end of the motor is fixed at the top of the threaded rod to drive the threaded rod to rotate so as to change the height of the sliding seat. Preferably, the clamping assembly further comprises a first connecting plate fixed on the first chuck and penetrating through the fixing plate in a sliding mode, a first magnet fixed on the first connecting plate, a second connecting plate fixed on the second chuck and penetrati