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CN-224227124-U - Cooling nozzle structure of vacuum quenching furnace

CN224227124UCN 224227124 UCN224227124 UCN 224227124UCN-224227124-U

Abstract

The utility model discloses a cooling nozzle structure of a vacuum quenching furnace, which relates to the technical field of vacuum quenching furnaces and comprises a connector, wherein the connector is internally connected with a connecting pipe through a ball head structure, a uniform spraying mechanism is arranged in the connecting pipe, an adjusting mechanism is arranged on the outer side of the connecting pipe, the uniform spraying mechanism comprises a mounting plate fixed on the top of the inner side of the connecting pipe, a connecting shaft is arranged in the mounting plate, a rotating fan is fixed on the top end of the connecting shaft, a connecting rod is symmetrically fixed on the bottom of the outer side wall of the connecting shaft, and the rotating fan is impacted when gas enters the inner side of the connecting pipe by the aid of the arrangement of the uniform spraying mechanism, so that the rotating fan is rotated to drive the connecting shaft to rotate, the connecting rod is driven to rotate, a spray pipe on the outer side wall of the spray head is driven to rotate, the position of the sprayed gas is prevented from being fixed, the spraying dead angle is avoided, the cooling is uniform, and the cooling effect is improved.

Inventors

  • ZHANG JIANFENG

Assignees

  • 昆山鑫恺金属材料有限公司

Dates

Publication Date
20260512
Application Date
20250512

Claims (7)

  1. 1. The cooling nozzle structure of the vacuum quenching furnace is characterized by comprising a connector (100), wherein the connector (100) is internally connected with a connecting pipe (200) through a ball head structure, a uniform spraying mechanism (300) is arranged in the connecting pipe (200), and an adjusting mechanism (400) is arranged on the outer side of the connecting pipe (200); Even spray mechanism (300) including being fixed in mounting panel (310) at connecting pipe (200) inboard top, the inside of mounting panel (310) is provided with connecting axle (320), the top of connecting axle (320) is fixed with rotation fan (330), the lateral wall bottom symmetry of connecting axle (320) is fixed with connecting rod (340), the bottom mounting of connecting rod (340) has shower nozzle (350), the lateral wall and the bottom of shower nozzle (350) all are fixed with spray tube (360), the inside of spray tube (360) is fixed with screw plate (370).
  2. 2. The cooling nozzle structure of the vacuum quenching furnace according to claim 1, wherein the uniform spraying mechanism (300) further comprises a first sealing bearing (311) penetrating through and fixed at the middle part of the top of the mounting plate (310), and a second sealing bearing (380) is fixed at the bottom of the inner side wall of the connecting pipe (200).
  3. 3. The vacuum quenching furnace cooling nozzle structure as set forth in claim 2, wherein the connecting shaft (320) is fixed to an inner ring side wall of the first sealed bearing (311), and the spray head (350) is fixedly connected to an inner ring side wall of the second sealed bearing (380).
  4. 4. The cooling nozzle structure of the vacuum quenching furnace according to claim 1, wherein a graphite sealing material is arranged between the connecting head (100) and the connecting pipe (200).
  5. 5. The vacuum quenching furnace cooling nozzle structure of claim 1, wherein the adjusting mechanism (400) comprises a mounting frame (410) fixed on the outer side wall of the connector (100), fixing holes (420) are uniformly formed in the bottom of one side of the mounting frame (410) in a penetrating mode, rotating shafts (430) are arranged in the bottom of two sides of the mounting frame (410) in a penetrating mode, a rotating disc (440) is fixed at one end of the rotating shaft (430), a connecting frame (450) is fixed at one side portion of the rotating disc (440), a fixing rod (460) penetrates through the middle portion of one side of the connecting frame (450) in a penetrating mode, connecting plates (470) are fixed at the side portion of the outer side wall of the fixing rod (460), and connecting springs (480) are sleeved on the outer side wall of the fixing rod (460).
  6. 6. The cooling nozzle structure of the vacuum quenching furnace according to claim 5, wherein the fixing holes (420) are circumferentially arranged around the rotating shafts (430), and two rotating shafts (430) are symmetrically fixed to the outer side wall of the connecting pipe (200).
  7. 7. The cooling nozzle structure of the vacuum quenching furnace as claimed in claim 5, wherein two ends of the connecting spring (480) are fixedly connected with one side of the connecting plate (470) and one side of the connecting frame (450), respectively, and the fixing rod (460) penetrates through the other side of the turntable (440).

Description

Cooling nozzle structure of vacuum quenching furnace Technical Field The utility model relates to the technical field of vacuum quenching furnaces, in particular to a cooling nozzle structure of a vacuum quenching furnace. Background The vacuum quenching furnace is a very advanced vacuum heat treatment device, the outstanding performance and unique design of the vacuum quenching furnace provide the characteristics of wide application of vacuum bright gas quenching, annealing, sintering of magnetic materials, rapid cooling and the like of high-precision parts of alloy materials such as high-speed steel, die steel, stainless steel, alloy steel, titanium alloy and the like, the vacuum quenching furnace is composed of a heating furnace cover and a movable underframe, a crane is arranged on the top of the square (or round) furnace cover, the charging basket can be lifted to a furnace cavity through a chain and a hook, the furnace cover is supported by profile steel, the bottom of the furnace cover is provided with a furnace door which is pneumatically (or electrically) operated, the underframe below the furnace cover can move and be positioned along a track, the charging basket on the underframe is loaded with a quenching water tank and the charging basket, during production, the charging basket on the underframe is moved to the position right below the furnace cover, the furnace door is opened, the chain and the hook are put down to lift the charging basket into the furnace cavity, the furnace door is closed for heating, and the vacuum quenching furnace is cooled by spraying cooling gas on the material through a nozzle. The current nozzles are usually fixed and direct-injection type, the position of the sprayed gas is unchanged, the gas sprayed by the nozzles is easy to have cooling dead angles, the cooling is uneven, and the cooling effect is reduced, so that the vacuum quenching furnace cooling nozzle structure is provided. Disclosure of utility model The utility model aims to provide a cooling nozzle structure of a vacuum quenching furnace, which solves the problems that the current nozzle proposed in the prior art is usually fixed and directly sprayed, the position of sprayed gas is unchanged, the gas sprayed by the nozzle is easy to have cooling dead angles, the cooling is uneven, and the cooling effect is reduced. The technical scheme is that the vacuum quenching furnace cooling nozzle structure comprises a connector, wherein the connector is internally connected with a connecting pipe through a ball head structure, a uniform spraying mechanism is arranged in the connecting pipe, and an adjusting mechanism is arranged on the outer side of the connecting pipe; The even spraying mechanism is including being fixed in the mounting panel at the inboard top of connecting pipe, the inside of mounting panel is provided with the connecting axle, the top of connecting axle is fixed with the rotation fan, the lateral wall bottom symmetry of connecting axle is fixed with the connecting rod, the bottom mounting of connecting rod has the shower nozzle, lateral wall and the bottom of shower nozzle all are fixed with the spray tube, the inside of spray tube is fixed with the screw plate. Preferably, the uniform spraying mechanism further comprises a first sealing bearing penetrating through and fixed at the middle part of the top of the mounting plate, and a second sealing bearing is fixed at the bottom of the inner side wall of the connecting pipe. Preferably, the connecting shaft is fixed on the inner ring side wall of the first sealing bearing, so that the connecting shaft can rotate conveniently, and the spray head is fixedly connected with the inner ring side wall of the second sealing bearing, so that the spray head can rotate conveniently. Preferably, a graphite sealing material is arranged between the connector and the connecting pipe, so that the tightness is ensured. Preferably, the adjustment mechanism is including being fixed in the mounting bracket of connector lateral wall, the fixed orifices has evenly been seted up in one side bottom of mounting bracket, the both sides bottom of mounting bracket is run through and is rotated there is the pivot, one the one end of pivot is fixed with the carousel, a side portion of carousel is fixed with the link, a side middle part of link runs through and slides there is the dead lever, the lateral wall limit portion of dead lever is fixed with the connecting plate, the lateral wall of dead lever has cup jointed coupling spring. Preferably, the fixing holes are circumferentially arranged around the rotating shaft, so that the fixing rods are matched with the fixing holes, the two rotating shafts are symmetrically fixed on the outer side wall of the connecting pipe, and when the rotating disc is convenient to rotate, the rotating shaft drives the connecting pipe to deflect. Preferably, the two ends of the connecting spring are fixedly connected with one side of the connec