CN223381858U - A gas nitriding furnace anti-oxidation structure - Google Patents

Abstract

The utility model relates to an oxidation resistant structure of a gas nitriding furnace, which comprises a bottom plate, a plurality of supporting plates arranged at the top of the bottom plate, and a supporting table arranged at the top of the plurality of supporting plates, wherein a fixed column is arranged at the top of the supporting table, a processing table is arranged at the top of the fixed column, an annular box is rotationally connected to the outside of the fixed column, an annular opening is formed in one side of the annular box, which is close to the fixed column, a cavity is formed in the inside of the fixed column, and a plurality of feeding holes are formed between the cavity and the annular opening.

Description

Antioxidant structure of gas nitriding furnace

Technical Field

The utility model belongs to the technical field of gas nitriding furnace processing, and particularly relates to an oxidation resistant structure of a gas nitriding furnace.

Background

The nitriding furnace is a heat treatment device, and adopts ammonia gas and nitrogen gas as reaction gases to react at high temperature so as to lead the surface of a substance to be nitrided, thereby changing the physical and chemical properties of the surface of the material. The nitriding furnace has the functions of nitriding, reducing, carbonizing and the like, and has the main functions of improving the hardness, corrosion resistance, lubricity and electrical properties of the material, enhancing the bearing capacity and ductility of the material and improving the quality and performance of the product.

In order to improve the service life of the gas nitriding furnace in the use process, an antioxidant coating is sprayed on the surface of the gas nitriding furnace through an antioxidant structure in the production process of the gas nitriding furnace, so that the oxidation resistance of the gas nitriding furnace is improved, but the conventional antioxidant structure generally adopts a pump to pump the coating into a spraying pipe in the spraying process of the gas nitriding furnace, then a plurality of spray heads are used for spraying the coating on the surface of the gas nitriding furnace, the coating is in a static state in the spraying process, the coating can be precipitated in the long-term static process, the concentration of an antioxidant in other parts of the coating is reduced, so that the antioxidant performance is unevenly distributed, the surface of a spraying layer is separated after the spraying is finished, and the oxidation resistance is affected.

Disclosure of utility model

The utility model aims to solve the problems and provide an oxidation resistant structure of a gas nitriding furnace, which has a simple structure and a reasonable design.

The utility model realizes the above purpose through the following technical scheme:

The utility model provides a gaseous nitriding furnace oxidation resistant construction, includes the bottom plate, installs a plurality of backup pads at the bottom plate top to and install the brace table at a plurality of backup pads tops, the fixed column is installed at the top of brace table, the processing platform is installed at the top of fixed column, the outside of fixed column rotates and is connected with the annular case, the externally mounted of annular case has two sets of spraying subassemblies, the bin is installed at the top of bottom plate, the inside rotation of bin is connected with the rotary rod, the outside rotation of rotary rod is connected with a plurality of puddlers.

As a further optimization scheme of the utility model, one side of the annular box, which is close to the fixed column, is provided with an annular opening, the inside of the fixed column is provided with a cavity, and a plurality of feeding holes are arranged between the cavity and the annular opening.

As a further optimization scheme of the utility model, the spraying assembly comprises a spraying pipe positioned on the processing table, a plurality of nozzles arranged on one side of the spraying pipe, and a connecting pipe arranged outside the annular box and used for communicating the annular box with the spraying pipe, wherein one end of the connecting pipe is fixedly connected with the outside of the annular box.

As a further optimization scheme of the utility model, a first driven wheel is arranged outside the annular box, a driving wheel meshed with the first driven wheel is arranged at the top of the supporting table, one end of the rotating rod extends to the top of the supporting table and is provided with a second driven wheel meshed with the first driven wheel, and a rotating motor for driving the driving wheel to rotate is arranged at the bottom of the supporting table.

As a further optimization scheme of the utility model, the top of the bottom plate is provided with the high-pressure pump, the inlet of the high-pressure pump is communicated with the storage tank through the liquid inlet pipe, and the outlet of the high-pressure pump is communicated with the cavity through the liquid outlet pipe.

As a further optimization scheme of the utility model, the heat preservation box with the annular structure is arranged outside the storage box, and a plurality of heating pipes are arranged inside the heat preservation box.

The utility model has the beneficial effects that in the process of spraying the outside of the gas nitriding furnace, the rotating rod in the storage box rotates, and when the rotating rod rotates, the rotating rod drives the stirring rods to rotate, so that the paint in the storage box can be stirred, the precipitation phenomenon of the paint is reduced, and the oxidation resistance of the paint in the subsequent spraying process is improved.

Drawings

FIG. 1 is a first perspective view of the present utility model;

FIG. 2 is a second perspective view of the present utility model;

FIG. 3 is a schematic cross-sectional view of the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 3;

fig. 5 is an enlarged view of fig. 3 at B in accordance with the present utility model.

The device comprises a base plate 1, a supporting plate 2, a supporting plate 3, a supporting table 4, a fixing column 5, a processing table 6, an annular box 7, a storage box 8, a rotary rod 9, a stirring rod 10, an annular opening 11, a cavity 12, a feeding hole 13, a spraying pipe 14, a nozzle 15, a first driven wheel 16, a driving wheel 17, a second driven wheel 18, a high-pressure pump 19, an insulation box 20, a heating pipe 21 and a connecting pipe.

Detailed Description

The present application will be described in further detail with reference to the accompanying drawings, wherein it is to be understood that the following detailed description is for the purpose of further illustrating the application only and is not to be construed as limiting the scope of the application, as various insubstantial modifications and adaptations of the application to those skilled in the art can be made in light of the foregoing disclosure.

As shown in fig. 1 to 5, an oxidation-resistant structure of a gas nitriding furnace comprises a base plate 1, a plurality of support plates 2 arranged at the top of the base plate 1, and a support table 3 arranged at the top of the plurality of support plates 2, a fixing column 4 is arranged at the top of the support table 3, a processing table 5 is arranged at the top of the fixing column 4, an annular box 6 is rotatably connected to the outside of the fixing column 4, an annular opening 10 is arranged at one side of the annular box 6 near the fixing column 4, a cavity 11 is arranged in the fixing column 4, a plurality of feeding holes 12 are arranged between the cavity 11 and the annular opening 10, two groups of spraying components are arranged at the outside of the annular box 6, each spraying component comprises a spraying pipe 13 arranged on the processing table 5, a plurality of nozzles 14 arranged at one side of the spraying pipe 13, a connecting pipe 21 arranged at the outside of the annular box 6 and used for connecting the annular box 6 with the spraying pipe 13, one end of the connecting pipe 21 is fixedly connected with the outside of the annular box 6, the top of the bottom plate 1 is provided with a storage box 7, the inside of the storage box 7 is rotationally connected with a rotary rod 8, the outside of the rotary rod 8 is rotationally connected with a plurality of stirring rods 9, the outside of the storage box 7 is provided with an insulation box 19 with an annular structure, the inside of the insulation box 19 is provided with a plurality of heating pipes 20 with annular structure, in winter, the heating pipes 20 can heat the paint inside the storage box 7, the paint close to the outer wall of the storage box 7 is prevented from caking when the temperature is lower, when the heating pipes 20 heat, the stirring rods 9 stir the paint, so that the temperature of the paint inside the storage box 7 is kept consistent, the oxidation resistance of the paint is better improved, the outside of the annular box 6 is provided with a first driven wheel 15, the top of the supporting table 3 is provided with a driving wheel 16 meshed with the first driven wheel 15, one end of the rotary rod 8 extends to the top of the supporting table 3 and is provided with a second driven wheel 17 meshed with the first driven wheel 15, the bottom of the supporting table 3 is provided with a rotary motor for driving the driving wheel 16 to rotate, the top of the bottom plate 1 is provided with a high-pressure pump 18, an inlet of the high-pressure pump 18 is communicated with the storage box 7 through a liquid inlet pipe, and an outlet of the high-pressure pump 18 is communicated with the cavity 11 through a liquid outlet pipe.

It should be noted that, this gas nitriding furnace oxidation resistant structure, when using will need to carry out the gas nitriding furnace of spraying place at the top of processing platform 5, when carrying out the spraying, rotatory motor drive action wheel 16 rotates, under the meshing of action wheel 16 and first follow driving wheel 15, can drive annular box 6 and rotate, connecting pipe 21 can rotate under the drive of annular box 6, spray tube 13 can drive a plurality of nozzles 14 and rotate around the gas nitriding furnace under the drive of connecting pipe 21, thereby carry out the multi-angle spraying to the gas nitriding furnace, when annular box 6 rotates, under the meshing of first follow driving wheel 15 and second follow driving wheel 17, rotary rod 8 can drive a plurality of puddler 9 and rotate, thereby stir the inside coating of bin 7, thereby prevent the condition that the deposit appears in the coating, during the spraying, high-pressure pump 18 can draw the coating of bin 7 into cavity 11, the coating that enters into cavity 11 in can enter into annular box 6 through a plurality of feed holes 12, then enter into spray tube 13 through 21, finally spout by a plurality of nozzles 14.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model.

Claims (6)

1. The utility model provides an anti-oxidation structure of gas nitriding furnace, includes bottom plate (1), installs a plurality of backup pads (2) at bottom plate (1) top to and install brace table (3) at a plurality of backup pads (2) tops, a serial communication port, fixed column (4) are installed at the top of brace table (3), processing platform (5) are installed at the top of fixed column (4), the outside rotation of fixed column (4) is connected with annular case (6), the externally mounted of annular case (6) has two sets of spraying subassemblies, bin (7) are installed at the top of bottom plate (1), the inside rotation of bin (7) is connected with rotary rod (8), the outside rotation of rotary rod (8) is connected with a plurality of puddlers (9).

2. The oxidation resistant structure of a gas nitriding furnace as set forth in claim 1, wherein the annular box (6) is provided with an annular opening (10) at one side close to the fixed column (4), a cavity (11) is provided in the fixed column (4), and a plurality of feed holes (12) are provided between the cavity (11) and the annular opening (10).

3. An oxidation-resistant structure of a gas nitriding furnace as set forth in claim 1, wherein said spray assembly comprises a spray pipe (13) provided on the processing table (5), a plurality of nozzles (14) provided on one side of the spray pipe (13), and a connection pipe (21) provided outside the annular tank (6) for connecting the annular tank (6) with the spray pipe (13), one end of said connection pipe (21) being fixedly connected to the outside of the annular tank (6).

4. The oxidation-resistant structure of a gas nitriding furnace as claimed in claim 1, wherein a first driven wheel (15) is arranged outside the annular box (6), a driving wheel (16) meshed with the first driven wheel (15) is arranged at the top of the supporting table (3), one end of the rotating rod (8) extends to the top of the supporting table (3) and is provided with a second driven wheel (17) meshed with the first driven wheel (15), and a rotating motor for driving the driving wheel (16) to rotate is arranged at the bottom of the supporting table (3).

5. The oxidation resistant structure of a gas nitriding furnace according to claim 1, wherein a high-pressure pump (18) is arranged at the top of the bottom plate (1), an inlet of the high-pressure pump (18) is communicated with the storage tank (7) through a liquid inlet pipe, and an outlet of the high-pressure pump (18) is communicated with the cavity (11) through a liquid outlet pipe.

6. The oxidation resistant structure of a gas nitriding furnace as claimed in claim 1, wherein an insulation box (19) with a ring-shaped structure is arranged outside the storage box (7), and a plurality of heating pipes (20) are arranged inside the insulation box (19).