Search

CN-224227118-U - External heating type isothermal quenching tempering device

CN224227118UCN 224227118 UCN224227118 UCN 224227118UCN-224227118-U

Abstract

The embodiment of the disclosure relates to the technical field of metal material heat treatment equipment, and provides an external heating type isothermal quenching tempering device, which comprises a box body, wherein the box body is provided with a quenching tank; the cooling device comprises a quenching tank, a separating cylinder, a first circulating pump and a second circulating pump, wherein the separating cylinder is arranged in the quenching tank, the cylinder wall is provided with a guide port, and the first circulating pump stretches into the quenching tank and/or the separating cylinder and is used for driving cooling liquid in the quenching tank to circulate so as to make the cooling liquid isothermal. The flow guiding port comprises an upper flow guiding port and a lower flow guiding port, the upper flow guiding port is communicated with the quenching tank and the upper part in the separating cylinder, and through the technical scheme, the technical problem that the hardness is inconsistent due to uneven heating of different positions of a related technical workpiece in the quenching process is solved. Through the diversion effect of the diversion opening on the isolation cylinder on the cooling liquid and the forced circulation of the first circulating pump, the nitrate cooling liquid in the quenching tank can quickly reach and maintain an isothermal state.

Inventors

  • CHEN HUANNING
  • LIN LIHUA
  • CHEN LU

Assignees

  • 河北至强工具有限公司

Dates

Publication Date
20260512
Application Date
20250613

Claims (10)

  1. 1. An external heating type austempering tempering device is characterized by comprising: A box body (100), wherein the box body (100) is provided with a quenching tank (101); the separation cylinder (200) is arranged in the quenching tank (101), and the cylinder wall is provided with a guide port (210); And the first circulating pump (300) stretches into the quenching tank (101) and/or the separating cylinder (200) and is used for driving cooling liquid in the quenching tank (101) to circulate so as to make the cooling liquid isothermal.
  2. 2. An external heating austempering tempering apparatus as defined in claim 1, wherein said diversion port (210) comprises an upper diversion port (201) and a lower diversion port (202), said upper diversion port (201) communicates with an upper portion in said quenching tank (101) and said barrier (200), and said lower diversion port (202) communicates with a lower portion in said quenching tank (101) and said barrier (200).
  3. 3. An external thermal austempering tempering apparatus as defined in claim 2, wherein a bottom or lower portion of said barrier (200) has an array of bottom diversion holes (203), said first circulation pump (300) being an axial flow circulation pump and being disposed within said quenching tank (101) for circulating cooling liquid within said quenching tank (101), said upper diversion hole (201), said barrier (200) and said lower diversion hole (202).
  4. 4. The external heating austempering tempering device of claim 1, wherein the upper part of the separation cylinder (200) is provided with a first discharge port (204), the first discharge port (204) penetrates through the box body (100) to be positioned outside the box body, and the external heating austempering tempering device further comprises: and the first cover body (400) is used for covering the first discharging hole (204).
  5. 5. An external heating austempering tempering apparatus as defined in claim 3, wherein said tank (100) has a second discharge port (102), further comprising: The draining grid (500) is arranged at the upper part in the quenching tank (101) and below the second discharging hole (102), and the draining grid (500) and the separating cylinder (200) are arranged at intervals; A second cover body (600), wherein the second cover body (600) is used for covering the second discharging hole (102); The first partition plates (700) are provided in the quenching tank (101) to separate the quenching tank (101), and the first partition plates (700) have first communication ports (701) for communication.
  6. 6. The external heating type isothermal quenching tempering device according to claim 5, wherein the second cover body (600) is formed by combining two semicircular covers, the box body (100) is provided with a heat insulation interlayer (103), and further comprises a ventilation heater (800), and the ventilation heater (800) is arranged in the heat insulation interlayer (103).
  7. 7. An external heating austempering tempering apparatus as defined in claim 4, wherein said tank (100) further has a tempering tank (104) and a plurality of third discharge ports (105), said third discharge ports (105) being located above said tempering tank (104), further comprising: A second partition plate (900), wherein the second partition plate (900) is arranged in the tempering tank (104) to separate the tempering tank (104), and the second partition plate (900) is provided with a second communication port (901) for communication; and the third cover body (1000) is arranged on the third discharging opening (105), and the third cover body (1000) is used for covering the third discharging opening (105).
  8. 8. An external heating austempering tempering apparatus as defined in claim 7, further comprising a second circulation pump (1100), said second circulation pump (1100) being adapted to circulate a cooling liquid in the tempering tank (104).
  9. 9. An external heating austempering tempering apparatus of claim 8, further comprising: And a guide pipe (1200), wherein the first circulation pump (300) and the second circulation pump (1100) are both connected to the guide pipe (1200), and the guide pipe (1200) is used for guiding the cooling liquid sent by the first circulation pump (300) and the second circulation pump (1100).
  10. 10. An external heating austempering tempering apparatus as defined in claim 8, wherein said tank (100) further has a wash tank (106) further comprising: A steam spraying piece (1300), wherein the steam spraying piece (1300) is arranged in the washing liquid tank (106) and is used for placing a workpiece in the washing liquid tank (106) to be washed by steam; -a heat exchange assembly (1400), the heat exchange assembly (1400) being configured to exchange heat of a quench tank (101) to the tempering tank (104) and/or the wash tank (106); The temperature measuring assembly (1500) is configured to be able to measure the temperature of the quenching tank (101) and/or the tempering tank (104) and/or the washing liquid tank (106).

Description

External heating type isothermal quenching tempering device Technical Field The embodiment of the disclosure relates to the technical field of metal material heat treatment equipment, in particular to an external heating type isothermal quenching tempering device. Background The heat treatment process of the workpiece generally has the problems of uneven quenching hardness and high energy consumption. In the conventional equipment, the workpieces at different positions are heated unevenly and have inconsistent hardness due to uneven flow of cooling medium in the quenching process, such as quenching and tempering of bearing rings. In addition, a large amount of waste heat generated in the quenching process is generally directly discharged, so that energy waste is caused. The prior art lacks an effective heat recovery system, and preheating in the quenching process cannot be effectively utilized in tempering or other process links, so that the overall energy efficiency is low. Disclosure of utility model In order to overcome the defects, the embodiment of the disclosure provides an external heating type isothermal quenching tempering device, which solves the technical problem of inconsistent hardness caused by uneven heating of different positions of a related technical workpiece in the quenching process. According to one aspect, at least one embodiment of the present disclosure provides an external heating austempering tempering device, comprising: The box body is provided with a quenching tank; the separation cylinder is arranged in the quenching tank, and the cylinder wall is provided with a guide port; the first circulating pump stretches into the quenching tank and/or the separating cylinder and is used for driving cooling liquid in the quenching tank to circulate so as to make the cooling liquid isothermal. For example, at least one embodiment of the present disclosure provides an external heating austempering tempering device, where the flow guiding port includes an upper flow guiding port and a lower flow guiding port, the upper flow guiding port is communicated with the quenching tank and an upper portion in the separating cylinder, and the lower flow guiding port is communicated with the quenching tank and a lower portion in the separating cylinder. For example, at least one embodiment of the present disclosure provides an external heating austempering tempering device, the bottom or the lower part of the separation barrel has a plurality of bottom diversion holes in an array, and the first circulation pump is an axial flow circulation pump and is disposed in the quenching tank, so as to circulate the cooling liquid in the quenching tank, the upper diversion hole, the separation barrel and the lower diversion hole. For example, at least one embodiment of the present disclosure provides an external heating austempering tempering device, wherein the upper portion of the separating cylinder is provided with a first discharge port, and the first discharge port penetrates through the box body to be located outside the box body, and the external heating austempering tempering device further comprises: the first cover body is used for covering the first discharging hole. For example, at least one embodiment of the present disclosure provides an external heating austempering tempering device, where the box body has a second discharge port, and further includes: The draining grid is arranged at the upper part in the quenching tank and is positioned below the second discharging hole, and the draining grid and the separating cylinder are arranged at intervals; the second cover body is used for covering the second discharging opening; The first partition plates are arranged in the quenching tanks to separate the quenching tanks, and each first partition plate is provided with a first communication port for communication. For example, the external heating type isothermal quenching tempering device provided by at least one embodiment of the present disclosure is formed by combining two semicircular covers, wherein the box body is provided with a thermal insulation interlayer, and the external heating type isothermal quenching tempering device further comprises a ventilation heater, and the ventilation heater is arranged in the thermal insulation interlayer. For example, an external heating austempering tempering device provided in at least one embodiment of the present disclosure, the box further has a tempering tank and a plurality of third discharge ports, where the third discharge ports are located above the tempering tank, and further includes: The second partition plate is arranged in the tempering tank and used for separating the tempering tank, and is provided with a second communication port used for communication; The third cover body is arranged on the third discharging opening and used for covering the third discharging opening. For example, at least one embodiment of the present disclosure provides an