CN219260103U

CN219260103U - Environment-friendly energy-saving large vertical rotary high-pressure gas quenching vacuum furnace

Info

Publication number: CN219260103U
Application number: CN202223433966.3U
Authority: CN
Inventors: 韩立明
Original assignee: Beijing Jingcheng Lide Vacuum Technology Co ltd
Current assignee: Beijing Jingcheng Lide Vacuum Technology Co ltd
Priority date: 2022-12-21
Filing date: 2022-12-21
Publication date: 2023-06-27
Anticipated expiration: 2032-12-21

Abstract

The utility model discloses an environment-friendly energy-saving large vertical rotary high-pressure gas quenching vacuum furnace, which relates to the technical field of high-pressure gas quenching vacuum furnaces and comprises a furnace body, wherein a cooling system is fixedly arranged at the upper end of the furnace body, a heating system is fixedly arranged in the furnace body, and a lifting system is movably arranged at the lower end of the furnace body. The utility model can generate high-efficiency air flow through the wind power mechanism of the cooling system, quickens the cooling speed, is connected with the heat exchanger mechanism, can evenly spray the cooled air flow, and enables the batch table to rotate at the speed of 1-2 revolutions per minute, so that workpieces can be evenly cooled, the quenching hardness is more even, and the deformation is smaller. The heating mechanism of the heating system is three-zone heating, the three-zone heating is divided into upper, middle and lower groups, the three-zone temperature is controlled, the heating is uniform, the radiation effect is good, and the uniformity effect of workpiece heating is better. The lifting component is a loading and unloading mechanism of the high-pressure gas quenching vacuum furnace, and is high in automation, simple in operation, safe and reliable.

Description

Environment-friendly energy-saving large vertical rotary high-pressure gas quenching vacuum furnace

Technical Field

The utility model relates to the technical field of high-pressure gas quenching vacuum furnaces, in particular to an environment-friendly energy-saving large-sized vertical rotary high-pressure gas quenching vacuum furnace.

Background

The vacuum gas quenching furnace is mainly used for strengthening the surfaces of certain metal equipment and has wide application in fine technologies such as aviation and the like. Quenching in vacuum is gas quenching and liquid quenching. Gas quenching is to cool a workpiece by filling a high purity neutral gas (such as nitrogen) into a cooling chamber after vacuum heating. The method is suitable for materials with low martensite critical cooling speed, such as high-speed steel, high-carbon high-chromium steel and the like, which are subjected to gas quenching. The liquid quenching is to heat the workpiece in the heating chamber, then to move the workpiece to the cooling chamber, to charge high purity nitrogen gas and to send the workpiece into the quenching oil tank immediately for rapid cooling. Tempering and precipitation hardening after vacuum quenching and solution heat treatment of the workpiece should still be performed in a vacuum furnace if high surface quality is required. However, the cooling effect of the traditional high-pressure gas quenching vacuum furnace is not ideal enough, so that the environment-friendly energy-saving large-scale vertical rotary high-pressure gas quenching vacuum furnace with good cooling effect needs to be designed.

Disclosure of Invention

The utility model provides an environment-friendly energy-saving large vertical rotary high-pressure gas quenching vacuum furnace, which solves the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a large-scale vertical rotatory high-pressure gas quenching vacuum furnace of environmental protection and energy saving, includes the furnace body, and the outside of furnace body is close to lower department fixed mounting has the support body, and the upper end of furnace body is fixed to be provided with cooling system, and the inside fixed mounting of furnace body has heating system, and the lower extreme movable mounting of furnace body has operating system.

The cooling system comprises a heat exchange mechanism and a wind power mechanism, and the wind power mechanism is fixedly arranged at the upper end of the heat exchange mechanism.

The heating system comprises a heating mechanism and a rotary material table, and the inner side of the heating mechanism is provided with the rotary material table.

The lifting system comprises a lifting motor and a transmission mechanism, and is fixed above the furnace frame.

The technical scheme of the utility model is further improved as follows: the heat exchange mechanism comprises a heat exchanger, a guide plate and a cooling water pipe, wherein the heat exchanger is arranged at the upper end of the furnace body, the guide plate is arranged at the upper part of the heat exchanger and used for uniformly dispersing the cooled air flow.

The technical scheme of the utility model is further improved as follows: the wind power mechanism comprises a high-flow fan, an air pipe and a nozzle, wherein the high-flow fan is fixedly arranged at the upper end of the heat exchanger, the upper end of the air pipe is fixedly arranged at the upper end of the heat exchanger, a branch pipe of the air pipe is fixedly arranged in the furnace body, and the nozzle is fixedly arranged at the front end of the branch pipe of the air pipe.

The technical scheme of the utility model is further improved as follows: the heating system comprises a heat shield, a fixing support and heating elements, wherein the heat shield is fixedly arranged on the inner wall of the heating system, the fixing support is fixedly arranged on the inner side of the heat shield, the heating elements are fixedly arranged at the front end of the fixing support and are high-purity graphite plates, and the heating elements are uniformly distributed around the heat shield in the 360-degree direction.

The technical scheme of the utility model is further improved as follows: the rotary material platform comprises a rotary motor, a rotary shaft and a material platform, wherein the lower end of the rotary motor is electrically connected with the upper end of the furnace cover, the upper end of the rotary motor is electrically connected with a rotary shaft, the rotary motor transmits power to the rotary shaft through chain transmission, and the material platform is fixedly arranged above the rotary shaft.

The technical scheme of the utility model is further improved as follows: the lifting system comprises a screw and a lifting motor, wherein the upper end of the screw is movably arranged above the frame body, the lifting motor is arranged above the frame body, and power is transmitted to the screw through a transmission shaft and a commutator part.

The technical scheme of the utility model is further improved as follows: the lifting system comprises a furnace cover and a rotating shaft, the lower end of the furnace body is provided with the furnace cover, the lower end of the furnace cover is connected with a speed reducer, the two ends of the speed reducer are provided with driving wheels, and the driving wheels are driven to remove the furnace frame range from the furnace cover through rotation of the speed reducer, so that workpieces can be more conveniently assembled and disassembled.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

the utility model provides an environment-friendly energy-saving large-sized vertical rotary high-pressure gas quenching vacuum furnace, which is provided with a cooling system, and the cooling system can solve the problem that the cooling effect of the traditional high-pressure gas quenching vacuum furnace is not ideal, a wind mechanism can generate high-efficiency air flow to accelerate the cooling speed and is connected with a heat exchange mechanism, after the air flow flows through the heat exchange mechanism, the air flow after cooling can be evenly sprayed out, a workpiece can be evenly cooled by rotating a batch table, a cooling water pipe inlet and outlet interface adopts a large caliber, and the air flow can be stored into a large-capacity water source to accelerate the cooling speed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the cooling system and heating system of the present utility model;

fig. 3 is a schematic structural diagram of a lifting system according to the present utility model.

In the figure: 1. a furnace body; 11. a frame body; 2. a cooling system; 21. a heat exchanger; 22. a deflector; 23. a cooling water pipe; 24. a high-flow fan; 25. an air pipe; 26. a nozzle; 3. a heating system; 31. a heat shield; 32. a fixed bracket; 33. a heating element; 34. a rotating electric machine; 35. a rotation shaft; 36. a material platform; 4. a lifting system; 41. a screw rod; 42. a lifting motor; 43. a furnace cover; 44. a speed reducer.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1, the utility model provides an environment-friendly energy-saving large-scale vertical rotary high-pressure gas quenching vacuum furnace, which comprises a furnace body 1, wherein a frame 11 is fixedly arranged at the lower part of the outer side of the furnace body 1, a cooling system 2 is fixedly arranged at the upper end of the furnace body 1, a heating system 3 is fixedly arranged in the furnace body 1, and a lifting system 4 is movably arranged at the lower end of the furnace body 1. The furnace body 1 is a basic supporting body of the high-pressure gas quenching vacuum furnace, the furnace body 1 is supported by the frame body 11, the problem that the cooling effect of the traditional high-pressure gas quenching vacuum furnace is not ideal can be solved by arranging the cooling system 2, the wind power mechanism can generate high-efficiency air flow for accelerating the cooling speed and is connected with the heat exchange mechanism, the air flow can evenly spray out the cooled air flow after flowing through the heat exchange mechanism, the cooling water pipe 23 is matched with a rotary material table, so that workpieces can be evenly cooled, the cooling water pipe 23 is large in and out of an interface and can be stored into a large-capacity water source, the cooling speed is accelerated, the arrangement of the heating assembly 3 is realized, the problems that the workpieces of the traditional high-pressure gas quenching vacuum furnace are heated unevenly are solved, the heating mechanism is heated in three areas, the three areas are heated up, the three areas are heated evenly, the three areas are temperature-controlled, the heating is even, the radiation effect is good, the rotary material table can rotate at a speed of 1-2 revolutions per minute, the uniformity effect of workpiece heating and cooling is better, the quenching hardness is even, the deformation is smaller, and the lifting system 4 is the loading structure of the high-pressure gas quenching vacuum furnace, and the automatic unloading structure is simple, safe and reliable to operate.

It should be noted that, cooling system 2 includes wind-force mechanism and heat exchange mechanism, and heat exchange mechanism's upper both ends fixed mounting has wind-force mechanism, and heating system 3 includes heating mechanism and rotatory material platform, and heating system's inboard is provided with rotatory material platform, and lifting system 4 includes elevator motor and drive mechanism, lifting system mount body top.

Example 2

As shown in fig. 2, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the heat exchange mechanism comprises a heat exchanger 21, a guide plate 22 and a cooling water pipe 23, wherein the heat exchanger 21 is arranged at the upper end of the furnace body 1, the guide plate 22 is arranged at the upper end of the heat exchanger 21, and the cooling water pipe 23 is arranged at the outer side of the heat exchanger 21. The heat exchanger 21 adopts copper-copper high-efficiency type, the heat exchange effect is good, the guide plate 22 can make the air flow evenly jet out, the cooling water pipe 23 adopts large caliber in and out interface, can store and enter the large capacity water source, quicken the cooling speed.

Further, the wind power mechanism comprises a high-flow fan 24, an air pipe 25 and a nozzle 26, the high-flow fan 24 is fixedly arranged at the upper end of the heat exchanger 21, the upper end of the air pipe 25 is fixedly arranged at the upper end of the heat exchanger 21, a branch pipe of the air pipe 25 is fixedly arranged in the furnace body 1, and the nozzle 26 is fixedly arranged at the front end of the branch pipe of the air pipe 25. The high-flow blower 24 can generate high-efficiency air flow to cool the workpiece, the air pipe 25 is communicated with the heat exchange mechanism, the air flow can be cooled when flowing through the heat exchange mechanism, and the nozzle 26 can spray the air flow.

Example 3

As shown in fig. 2, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the heating mechanism comprises a heat shield 31, a fixing bracket 32 and a heating element 33, wherein the heat shield 31 is fixedly arranged on the inner wall of the furnace body 1, the fixing bracket 32 is fixedly arranged on the inner side of the heat shield 31, the heating element 33 is fixedly arranged at the front end of the fixing bracket 32, the heating element 33 is a high-purity graphite plate, and the heating element 33 is uniformly distributed around the heat shield 31 in the 360-degree direction. The heat shield 31 can perform a heat insulating function, and the fixing bracket 32 is used for fixing the heating element 33 on the heat shield 31, so that the heating element 33 can generate high temperature to heat the workpiece.

Further, the rotary material table comprises a rotary motor 34, a rotary shaft 35 and a material table 36, wherein the lower end of the rotary motor 34 is connected to the lower end of a furnace cover 43, the rotary motor 34 transmits power to the rotary shaft 35 through chain transmission, and the material table 36 is fixedly arranged at the upper end of the rotary shaft 35. The rotating motor 34 can generate a rotating force, the rotating shaft 35 can transmit the rotating force, and the material table 36 can place a workpiece.

Example 4

As shown in fig. 3, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the lifting system 4 comprises a screw 41 and a lifting motor 42, the upper end of the screw 41 is movably arranged at the upper end of the frame 11, and the upper end of the screw 41 is connected with the lifting motor 42 through a transmission part. The screw 41 is used to perform a lifting operation of the furnace cover 43, and the lifting motor 42 can move the screw 41 to thereby perform a lifting operation.

Further, the lifting system 4 comprises a furnace cover 43 and a speed reducer 44, the furnace cover 43 is fixedly arranged on the outer side of the lower end of the screw rod 41, the speed reducer 44 is connected to the lower end of the furnace cover 43, and driving wheels are connected to the two ends of the speed reducer 44. The furnace cover 43 is of a structure for closing the furnace body 1, and the speed reducer 44 can remove the furnace cover from the range of the furnace frame, so that the workpiece can be more conveniently assembled and disassembled.

The working principle of the environment-friendly energy-saving large vertical rotary high-pressure gas quenching vacuum furnace is specifically described below.

As shown in figure 1, when the environment-friendly energy-saving large vertical rotary high-pressure gas quenching vacuum furnace is used, the wind power mechanism of the cooling system 2 can generate high-efficiency air flow, after the air flow passes through the heat exchange mechanism, workpieces can be uniformly cooled, the heating system 3 can uniformly heat the workpieces, the lifting assembly 4 can seal the inside of the furnace body 1, and the automation is high and the operation is convenient.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides a large-scale vertical rotatory high-pressure gas quenching vacuum furnace of environmental protection and energy saving, includes furnace body (1), the outside of furnace body (1) is located below fixed mounting has support body (11), its characterized in that: the upper end of the furnace body (1) is fixedly provided with a cooling system (2), the inside of the furnace body (1) is fixedly provided with a heating system (3), and the lower end of the furnace body (1) is movably provided with a lifting system (4);

the cooling system (2) comprises a heat exchange mechanism and a wind power mechanism, wherein the wind power mechanism is fixedly arranged at the upper end of the heat exchange mechanism;

the heating system (3) comprises a heating assembly and a rotary material table, and the rotary material table is arranged at the lower end of the heating system;

the lifting system (4) comprises a lifting motor and a transmission mechanism, and the lifting system is used for fixing the upper end of the furnace frame.

2. The environment-friendly energy-saving large vertical rotary high-pressure gas quenching vacuum furnace as claimed in claim 1, wherein: the heat exchange mechanism comprises a heat exchanger (21), a guide plate (22) and a cooling water pipe (23), wherein the heat exchanger (21) is arranged at the upper end of the furnace body (1), the guide plate (22) is arranged at the upper end of the heat exchanger (21), and the guide plate (22) is used for uniformly dispersing the cooled air flow.

3. The environment-friendly energy-saving large vertical rotary high-pressure gas quenching vacuum furnace as claimed in claim 2, wherein: the cooling system comprises a high-flow fan (24), an air pipe (25) and a nozzle (26), wherein the high-flow fan (24) is fixedly arranged at the upper end of the heat exchanger (21), the upper end of the air pipe (25) is fixedly arranged at the upper end of the heat exchanger (21), the branch pipe of the air pipe (25) is fixedly arranged in the furnace body (1), the front end of the branch pipe of the air pipe (25) is fixedly provided with the nozzle (26), and the nozzle (26) is directly connected with the inside of the heating system (3).

4. The environment-friendly energy-saving large vertical rotary high-pressure gas quenching vacuum furnace as claimed in claim 1, wherein: heating system (3) are including heat screen (31), fixed bolster (32) and heating element (33), the inner wall fixed mounting of heating system (3) has heat screen (31), the inboard fixed mounting of heat screen (31) has fixed bolster (32), the front end fixed mounting of fixed bolster (32) has heating element (33), heating element (33) are high-purity graphite sheet, heating element (33) are with 360 even distribution all around of direction of heat screen (31).

5. The environment-friendly energy-saving large vertical rotary high-pressure gas quenching vacuum furnace as claimed in claim 4, wherein: the rotary material table comprises a rotary motor (34), a rotating shaft (35) and a material table (36), wherein the lower end of the rotary motor (34) is electrically connected to the bottom of a furnace cover (43), the rotary motor (34) transmits power to the rotating shaft (35) through chain transmission, and the material table (36) is fixedly arranged above the rotating shaft (35).

6. The environment-friendly energy-saving large vertical rotary high-pressure gas quenching vacuum furnace as claimed in claim 1, wherein: the lifting system (4) comprises a screw rod (41) and a lifting motor (42), wherein the upper end of the screw rod (41) is movably arranged at the upper end of the frame body (11), the lifting motor (42) is arranged at the upper end of the frame body, and power is transmitted to the screw rod (41) through a transmission shaft and a commutator part.

7. The environment-friendly energy-saving large vertical rotary high-pressure gas quenching vacuum furnace as claimed in claim 6, wherein: the lifting system (4) comprises a furnace cover (43) and a rotating shaft (35), the lower end of the furnace body (1) is provided with the furnace cover (43), the lower end of the furnace cover (43) is connected with a speed reducer (44), the two ends of the speed reducer (44) are provided with driving wheels, and the driving wheels are driven to remove the furnace frame range from the furnace cover through rotation of the speed reducer (44), so that workpieces can be assembled and disassembled more conveniently.