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CN-224222678-U - Water-cooling type hub processing die

CN224222678UCN 224222678 UCN224222678 UCN 224222678UCN-224222678-U

Abstract

The utility model relates to the technical field of hub casting, and discloses a water-cooling type hub processing die which comprises a rear die and a front die, wherein a buffer heat insulation part for cooling a hub is arranged on the left side of the rear die and the right side of the front die, the buffer heat insulation part comprises a rear cooling box attached to the left side of the rear die, the buffer heat insulation part also comprises a front cooling box attached to the right side of the front die, the rear cooling box and the front cooling box are provided with oil cavities, water-cooling parts are arranged in the oil cavities, each water-cooling part comprises a heat absorption pipe, and flowing cooling water is arranged in the heat absorption pipe. The oil cavity through the buffering heat insulation part holds the cooling oil and can effectively absorb partial heat, prevents that the cooling water in the heat absorption pipe from evaporating in the twinkling of an eye, and the outer wall that the cooling oil wrapped up in the heat absorption pipe can accelerate thermal release, and the cooling oil has higher specific heat capacity, but the consistency is higher, and the circulation is slower, and the cooling water has faster mobility, can take away the heat of cooling oil fast, and the cooling water can prevent evaporation in the twinkling of an eye.

Inventors

  • MA QINJIAN
  • LI QI
  • YUE JUN

Assignees

  • 宁波勤杰模具有限公司

Dates

Publication Date
20260512
Application Date
20250422

Claims (7)

  1. 1. The water-cooling type hub machining die is characterized by comprising a rear die (1) and a front die (2) which can be mutually attached, wherein a buffer heat insulation part used for cooling a hub is arranged on the left side of the rear die (1) and the right side of the front die (2), the buffer heat insulation part comprises a rear cooling box (13) attached to the left side of the rear die (1), and further comprises a front cooling box (23) attached to the right side of the front die (2), oil cavities (50) for containing cooling oil are respectively arranged at the tops of the rear cooling box (13) and the front cooling box (23), a water-cooling part is arranged in the oil cavities (50), the water-cooling part comprises heat absorption pipes (4), flowing cooling water is arranged in the heat absorption pipes (4), the heat absorption pipes (4) are in a bent shape in the oil cavities (50), one ends of the heat absorption pipes (4) penetrate through the bottoms which can penetrate through the oil cavities (50) and downwards, and the other ends of the heat absorption pipes (4) are located above the oil cavities (50).
  2. 2. The water-cooled hub working mold according to claim 1, wherein the top parts of the rear cooling tank (13) and the front cooling tank (23) are covered with an upper cover (30), the upper cover (30) comprises a avoiding hole (3041) for avoiding the heat absorption pipe (4), and the cooling water in the heat absorption pipe (4) flows from the lower side to the upper side.
  3. 3. The water-cooling hub processing mold according to claim 2, wherein a lower protruding plate (304) is arranged at the bottom of the upper cover (30), the outer wall of the lower protruding plate (304) can be attached to the inner wall of the oil cavity (50), a sealing ring (305) is sleeved on the outer wall of the lower protruding plate (304), and the sealing ring (305) is made of fluororubber.
  4. 4. The water-cooled hub processing mold as set forth in claim 3, wherein the front side of the rear mold (1) is provided with a rear cavity (10), the rear side of the front mold (2) is provided with a front cavity (20), the outer side edge of the front side of the rear mold (1) corresponding to the rear cavity (10) is provided with a guide post (11), the front mold (2) is provided with a guide hole (21) corresponding to the guide post (11), the front side of the rear mold (1) is provided with a positioning ring (111) coaxial with the guide post (11), and the rear side of the front mold (2) is provided with a positioning groove (211) corresponding to the positioning ring (111).
  5. 5. The water-cooling type hub processing mold according to claim 4, wherein the left side and the right side of the rear mold (1) are respectively provided with a second connecting plate (12), the left side and the right side of the front mold (2) are respectively provided with a first connecting plate (22), the front side and the rear side of the second connecting plate (12) are respectively provided with a second supporting plate (121), and the front side and the rear side of the first connecting plate (22) are respectively provided with a first supporting plate (221).
  6. 6. The water-cooled hub processing mold according to claim 5, wherein a lower oil outlet pipe II (132) is arranged at the bottom of the rear cooling box (13), a lower oil outlet pipe I (232) is arranged at the bottom of the front cooling box (23), an oil inlet pipe (301) is arranged at the top of the upper cover (30), and control valves are connected below the lower oil outlet pipe I (232) and the lower oil outlet pipe II (132).
  7. 7. The water-cooled hub processing mold as set forth in claim 6, wherein the top of the upper cover (30) is provided with an exhaust valve (302), the top edge of the upper cover (30) is provided with a countersink (303), and the countersink (303) can penetrate through a screw to be connected with the top of the rear cooling box (13) or the front cooling box (23).

Description

Water-cooling type hub processing die Technical Field The utility model relates to the technical field of hub casting, in particular to a water-cooling type hub processing die. Background The hub processing mould is a special tool specially used for producing automobile hubs, is usually used for producing segmented hubs and then is spliced, is an integral part of the automobile manufacturing industry and is used for producing automobile hubs with high strength, high precision and high reliability. The hubs play a vital role in improving the overall performance and safety of the automobile, and the hub formed by the mold has higher temperature and needs a water cooling device for cooling. In the prior art, a water-cooling liquid is directly attached to the surface of a mold, the hub formed by aluminum water injected into the mold can bring high temperature of six hundred ℃, the high temperature of six hundred ℃ can instantly boil and evaporate cooling water, cooling water cannot be cooled in a circulating way for a long time, so that cooling water consumption is caused, a hollow cooling box is adopted in another water-cooling mode, a cooling pipe is suspended in the cooling box and is not in direct contact with the mold, the cooling effect is poor in the mode of air heat conduction, and the waiting time is long. Disclosure of utility model In order to solve the problems that in the prior art, cooling water directly contacted with a die can be instantaneously evaporated, and the cooling effect of an air heat conduction mode is poor and the waiting time for cooling is long. The technical scheme includes that the water-cooling type hub processing die comprises a rear die and a front die which can be mutually attached, a buffer heat insulation part used for cooling a hub is arranged on the left side of the rear die and the right side of the front die, the buffer heat insulation part comprises a rear cooling box attached to the left side of the rear die and a front cooling box attached to the right side of the front die, oil cavities for containing cooling oil are respectively arranged at the tops of the rear cooling box and the front cooling box, a water-cooling part is arranged in the oil cavity, the water-cooling part comprises a heat absorption pipe, flowing cooling water is arranged in the heat absorption pipe, the heat absorption pipe is bent in the oil cavity, one end of the heat absorption pipe penetrates through the bottom of the oil cavity to extend downwards, and the other end of the heat absorption pipe is positioned above the oil cavity. Preferably, the top of the rear cooling box and the top of the front cooling box are both covered with an upper cover, the upper cover comprises an avoidance hole for avoiding the heat absorption pipe, and the cooling water in the heat absorption pipe flows from one side below to one side above. Preferably, the bottom of the upper cover is provided with a lower convex plate, the outer wall of the lower convex plate can be attached to the inner wall of the oil cavity, a sealing ring is sleeved on the outer wall of the lower convex plate, and the sealing ring is made of fluororubber. Preferably, the front side of the rear die is provided with a rear cavity, the rear side of the front die is provided with a front cavity, the front side of the rear die is provided with a guide post corresponding to the outer side edge of the rear cavity, the front die is provided with a guide hole corresponding to the guide post, the front side of the rear die is provided with a positioning ring coaxial with the guide post, and the rear side of the front die is provided with a positioning groove corresponding to the positioning ring. Preferably, the left side and the right side of the rear die are respectively provided with a second connecting plate, the left side and the right side of the front die are respectively provided with a first connecting plate, the front side and the rear side of the second connecting plate are respectively provided with a second supporting plate, and the front side and the rear side of the first connecting plate are respectively provided with a first supporting plate. Preferably, the bottom of the rear cooling box is provided with a lower oil outlet pipe II, the bottom of the front cooling box is provided with a lower oil outlet pipe I, the top of the upper cover is provided with an oil inlet pipe, and the lower parts of the lower oil outlet pipe I and the lower oil outlet pipe II are connected with control valves. Preferably, the top of the upper cover is provided with an exhaust valve, the top edge of the upper cover is provided with a countersink, and the countersink can penetrate through a screw to be connected with the top of the rear cooling box or the front cooling box. The oil cavity of the buffering heat insulation part can effectively absorb part of heat by holding cooling oil, so that the instant evaporation of cooling water in the heat absorption