Flange heat treatment device

Abstract

The flange heat treatment device comprises a first cover shell, a second cover shell and a hanging tool, the first cover shell is perpendicularly arranged relative to the ground, the second cover shell is movably arranged on one side of the first cover shell, and the side, opposite to the second cover shell, of the first cover shell is of an open structure; a heating part is arranged in the second housing; the hanging tool comprises a first driving assembly, two hanging rod assemblies, a second driving assembly and two supporting assemblies, the first driving assembly is arranged on the outer wall of the first housing, the two hanging rod assemblies are connected with the inner side wall of the first housing, and one ends of the two hanging rod assemblies are connected with the first driving assembly; the second driving assembly is connected with the first housing. The flange heat treatment device has the advantages of being uniform in heating and good in heat treatment effect, air cooling can be achieved without transferring the flange, and therefore the safety in the production process is improved.

Description

Technical Field

[0001] This application relates to the technical field of flange processing, and particularly to a flange heat treatment device. Background Art

[0002] As a key connecting component of equipment such as pipeline systems and pressure vessels, flanges need to withstand complex mechanical stresses and corrosive environments. The coarse grains and residual stresses formed by traditional casting or forging processes often lead to insufficient service life. Through a reasonable heat treatment process, the reliability of flanges can be significantly improved. For example: the normalizing process can refine grains (after casting or forging) and improve uniformity; the annealing process can eliminate residual stresses after cold working or welding and soften the material for subsequent processing.

[0003] Currently, when heat treating flanges, multiple flanges generally need to be placed in a heat treatment furnace. After waiting for a preset processing time, tools are used to take out the multiple flanges in sequence for air cooling. However, multiple flanges at different positions in the furnace or stacked together are likely to cause uneven heating, affecting the heat treatment effect of the flanges, and the relevant technicians are close to the heat source during operation, increasing the operation risk. Summary of the Invention

[0004] This application aims to at least solve one of the technical problems in the above technologies to a certain extent.

[0005] To this end, an object of this application is to propose a flange heat treatment device, which has the advantages of uniform heating and good heat treatment effect, and can achieve air cooling without transferring the flanges, thereby improving the safety during the production process.

[0006] To achieve the above object, a flange heat treatment device according to the first aspect embodiment of this application includes: a first housing, a second housing, and a hanger. Among them, the first housing is vertically arranged relative to the ground, the second housing is movably arranged on one side of the first housing, and the side of the first housing opposite to the second housing is arranged in an open structure; a heating component is arranged inside the second housing; the hanger includes a first driving component, two hanging rod components, a second driving component, and two supporting components. Among them, the first driving component is arranged on the outer wall of the first housing, the two hanging rod components are respectively connected to the inner side walls of the first housing, and one ends of the two hanging rod components are respectively connected to the first driving component; the second driving component is connected to the first housing, and the second driving component penetrates through the inside of the first housing; the two supporting components are respectively pivotally connected to the second driving component; one ends of the hanging rod components and the supporting components respectively extend to the outside of the first housing.

[0007] In addition, the flange heat treatment device proposed according to the above embodiments of the present application may also have the following additional technical features:

[0008] Further, two ground rails are symmetrically arranged on one side of the first housing, one end of the ground rail extends to one side of the second housing, and two rollers are symmetrically arranged at the bottom of the second housing, and the rollers are rollingly arranged on the ground rail.

[0009] Further, the hanging rod assembly includes a fixing plate, a first hanging rod and a plurality of spacers. Among them, the fixing plate is connected to the inner side wall of the first housing, one end of the first hanging rod penetrates through the fixing plate, the first hanging rod is rotatably connected to the fixing plate, one end of the first hanging rod penetrates through the inner wall of the first housing, and one end of the first hanging rod is connected to the first driving assembly; the plurality of spacers are respectively sleeved on the outer wall of the first hanging rod at equal intervals, and the spacers are movably connected to the first hanging rod.

[0010] Further, the second driving assembly includes a driving motor, a lead screw and two connecting blocks. Among them, the driving motor is installed on the outer wall of the first housing; the lead screw is rotatably connected to the first housing, one end of the lead screw penetrates through the inner wall of the first housing, and one end of the lead screw is connected to the output shaft of the driving motor; two symmetrically arranged and oppositely threaded guide grooves are provided on the lead screw, and the two connecting blocks are respectively slidably connected to the corresponding guide grooves, and the two connecting blocks are respectively located inside the first housing.

[0011] Further, the support assembly includes two hinge rods, a support inner rod and a sleeve. Among them, one end of the two hinge rods is respectively pivotally connected to the corresponding connecting block, and the other ends of the two hinge rods are pivotally connected; one end of the support inner rod is rotatably connected to the other ends of the two hinge rods, one end of the support inner rod penetrates through the two hinge rods, and one end of the support inner rod is slidably connected to the inner wall of the first housing; the sleeve is sleeved on the outside of the support inner rod, and the sleeve is rotatably connected to the support inner rod.

[0012] Further, a plurality of locking fasteners are provided on the outer walls of the first housing and the second housing.

[0013] Further, a lining ring is provided on the inner side wall of the second housing, and the lining ring extends to the outside of the second housing.

[0014] Further, two first braces and two second braces are symmetrically arranged on the opposite sides of the first housing and the second housing respectively.

[0015] Compared with the prior art, the present application has the following beneficial effects: In the flange heat treatment device according to the embodiment of the present application, a plurality of flanges to be heat treated are placed at intervals in the first housing, and the hanging tool can drive the flanges to rotate, so that the flanges are heated evenly, thereby ensuring the heat treatment effect. By separately arranging the first housing and the second housing, when air cooling is carried out after heat treatment, the flanges can be exposed to the external environment without being transferred, thereby improving the safety during the production process.

[0016] Additional aspects and advantages of the present application will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the following description of the embodiments in conjunction with the drawings, in which:

[0018] Figure 1 is a schematic three-dimensional structure diagram of a flange heat treatment device according to an embodiment of the present application;

[0019] Figure 2 is a schematic connection structure diagram of the first housing and the hanging tool of a flange heat treatment device according to an embodiment of the present application Figure 1 ;

[0020] Figure 3 is a schematic connection structure diagram of the first housing and the hanging tool of a flange heat treatment device according to an embodiment of the present application Figure 2 ;

[0021] Figure 4 is a schematic structure diagram of the hanging tool of a flange heat treatment device according to an embodiment of the present application;

[0022] Figure 5 is Figure 4 an enlarged schematic diagram of the structure of area A in

[0023] Figure 6 is a schematic side view structure diagram of the first housing of a flange heat treatment device according to an embodiment of the present application.

[0024] Reference numerals: 1, first housing; 2, second housing; 21, heating component; 3, hanging tool; 31, hanging rod assembly; 311, fixing plate; 312, first driving component; 313, first hanging rod; 314, spacer; 32, second driving component; 321, driving motor; 322, lead screw; 323, connecting block; 33, support component; 331, articulated rod; 332, support inner rod; 333, sleeve; 41, ground rail; 42, roller; 51, locking component; 61, inner lining ring; 81, first diagonal brace; 82, second diagonal brace. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] Embodiments of the present application will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present application, and should not be construed as limiting the present application.

[0026] The flange heat treatment device according to the embodiments of the present application will be described below with reference to the accompanying drawings.

[0027] As Figures 1 - 6 shown, the flange heat treatment device according to the embodiments of the present application may include: a first housing 1, a second housing 2, and a hanger 3.

[0028] Among them, the first housing 1 is vertically arranged relative to the ground.

[0029] It should be noted that in this embodiment, feet are installed at the bottom of the first housing 1, and the feet can reduce the contact area between the first housing 1 and the ground, increase the pressure between the two, and improve the stability of the first housing 1 during use.

[0030] The second housing 2 is movably arranged on one side of the first housing 1, and the side of the first housing 1 opposite to the second housing 2 is arranged in an open structure.

[0031] A heating component 21 is arranged inside the second housing 2.

[0032] It should be noted that the heating component 21 is based on the principle of electric heating or electromagnetic heating, without considering the problem of pollution discharge, and can provide heat to the inside of the first housing 1 and the second housing 2 during the flange heat treatment process.

[0033] The hanger 3 includes a first driving assembly 312, two hanging rod assemblies 31, a second driving assembly 32, and two supporting assemblies 33.

[0034] Among them, the first driving assembly 312 is arranged on the outer wall of the first housing 1, the two hanging rod assemblies 31 are respectively connected to the inner side walls of the first housing 1, one ends of the two hanging rod assemblies 31 are respectively connected to the first driving assembly 312, the second driving assembly 32 is connected to the first housing 1, the second driving assembly 32 penetrates through the inside of the first housing 1, the two supporting assemblies 33 are respectively pivotally connected to the second driving assembly 32, and one ends of the hanging rod assemblies 31 and the supporting assemblies 33 respectively extend to the outside of the first housing 1.

[0035] In the above embodiment, the number of the hanging rod assemblies 31 and the supporting assemblies 33 can be determined according to the size of the inner cavity of the first housing 1. The number of the two hanging rod assemblies 31 and the two supporting assemblies 33 provided in the present application is only one implementation manner.

[0036] It should be noted that in this embodiment, the hanging rod assembly 31 and the support assembly 33 described have the same length, and the lengths of both are less than or equal to the sum of the depths of the inner cavities of the first housing 1 and the second housing 2, so as to ensure that the first housing 1 and the second housing 2 can fit together and ensure that the flange is in a closed inner cavity during heat treatment.

[0037] In the above embodiment, the first driving assembly 312 may include a motor, a driving sprocket, a driven sprocket and a chain, and its specific connection structure has been disclosed in the prior art, so it will not be elaborated in detail here.

[0038] Specifically, before heat-treating the flange using this device, the first housing 1 and the second housing 2 in this device are in a separated state from each other. In this state, relevant technicians can conveniently place the flange on the hanger 3 of the first housing 1.

[0039] Relevant technicians take out the flange to be heat-treated and place it on the hanger 3 in sequence. After that, the second housing 2 is pushed, and the second housing 2 moves towards the first housing 1, and the second housing 2 and the first housing 1 can form a closed inner cavity structure.

[0040] Then, the second driving assembly 32 operates, and the second driving assembly 32 drives the support assembly 33 to deform. The support assembly 33 applies a force to the inner ring of the flange. Under the limiting action of the hanging rod assembly 31, the flange is fixed. Then the first driving assembly 312 operates, and the first driving assembly 312 drives the hanging rod assembly 31 to rotate, thereby driving the flange to rotate uniformly and slowly, so that the flange is heated evenly, thus ensuring the heat treatment effect.

[0041] During the heat treatment process, the heating component 21 can raise the temperature in the inner cavity structure of the first housing 1 and the second housing 2 to 450°C - 600°C. For example, when using this device to perform stress relief annealing on a flange plate, it is usually at 500 - 650°C, and the holding time may be determined according to the thickness (usually 1 - 2 hours / 25 mm). The normalizing temperature may be at 30°C - 50°C, and then air cooling is carried out.

[0042] During air cooling, the first housing 1 and the second housing 2 can be directly separated, so that the flange does not need to be transferred and can be exposed to the external environment, thus improving the safety during the production process.

[0043] In the above embodiment, the inner walls of the first housing 1 and the second housing 2 are made of a composite of fire bricks and nano-microporous heat insulating boards. Most of the structures in the hanging rod assembly 31 in the first housing 1 and the support assembly 33 are made of ceramic composite materials or carbon fiber composite materials, which have the characteristic of high temperature resistance.

[0044] In an embodiment of the present application, as Figure 1As shown, two ground rails 41 are symmetrically arranged on one side of the first housing 1. One end of the ground rail 41 extends to one side of the second housing 2. Two rollers 42 are symmetrically arranged at the bottom of the second housing 2, and the rollers 42 are rollingly arranged on the ground rail 41.

[0045] It can be understood that by arranging the ground rail 41 and installing the rollers 42 at the bottom of the second housing 2, the stability of the movement of the second housing 2 can be ensured during the process of the first housing 1 and the second housing 2 approaching and separating from each other.

[0046] In an embodiment of the present application, as Figure 4 shown, the hanging rod assembly 31 includes a fixing plate 311, a first hanging rod 313 and a plurality of spacers 314.

[0047] Among them, the fixing plate 311 is connected to the inner side wall of the first housing 1. One end of the first hanging rod 313 penetrates through the fixing plate 311, and the first hanging rod 313 is rotatably connected to the fixing plate 311. One end of the first hanging rod 313 penetrates through the inner wall of the first housing 1, and one end of the first hanging rod 313 is connected to the first driving assembly 312.

[0048] It can be understood that setting the fixing plate 311 can increase the connection area between the first hanging rod 313 and the first housing 1, thereby increasing the reliability of the first hanging rod 313 during use and extending its service life.

[0049] A plurality of spacers 314 are respectively sleeved on the outer wall of the first hanging rod 313 at equal intervals, and the spacers 314 are movably connected to the first hanging rod 313.

[0050] It should be noted that in this embodiment, the spacer 314 and the first hanging rod 313 are movably connected, and the two can be connected by a fixing member (not shown in the figure), so as to facilitate relevant technicians to adjust the distance between the two spacers 314 according to the thickness of the flange, ensure the number of flanges for single heat treatment, and avoid the two from being stacked together.

[0051] Specifically, when relevant technicians place the flange to be heat-treated on the hanging rod assembly 31, the flange can be placed between the two spacers 314 and placed from the inside to the outside of the first housing 1 in sequence.

[0052] In an embodiment of the present application, as Figure 4 shown, the second driving assembly 32 includes a driving motor 321, a lead screw 322 and two connecting blocks 323.

[0053] Among them, the driving motor 321 is installed on the outer wall of the first housing 1. The lead screw 322 is rotatably connected to the first housing 1. One end of the lead screw 322 penetrates the inner wall of the first housing 1, and one end of the lead screw 322 is connected to the output shaft of the driving motor 321. Two symmetrically arranged and oppositely wound guide grooves are provided on the lead screw 322. Two connecting blocks 323 are respectively slidably connected to the corresponding guide grooves, and the two connecting blocks 323 are respectively located inside the first housing 1.

[0054] In an embodiment of the present application, as Figure 4 shown, the support assembly 33 includes two hinge rods 331, a support inner rod 332, and a sleeve 333.

[0055] Among them, one end of each of the two hinge rods 331 is pivotally connected to the corresponding connecting block 323, the other ends of the two hinge rods 331 are pivotally connected, one end of the support inner rod 332 is rotatably connected to the other ends of the two hinge rods 331, one end of the support inner rod 332 penetrates the two hinge rods 331, one end of the support inner rod 332 is slidably connected to the inner wall of the first housing 1, the sleeve 333 is sleeved outside the support inner rod 332, and the sleeve 333 is rotatably connected to the support inner rod 332.

[0056] Specifically, during the operation of the second driving assembly 32, the driving motor 321 drives the lead screw 322 to rotate, the connecting block 323 moves left and right on the lead screw 322, the connecting block 323 drives the hinge rod 331 to rotate, and the support inner rod 332 and the sleeve 333 move up and down, thereby applying a force to the inner ring of the flange.

[0057] During the process of the hanging rod assembly 31 driving the flange to rotate, the sleeve 333 rotates outside the support inner rod 332.

[0058] In an embodiment of the present application, as Figure 1 shown, a plurality of locking fasteners 51 are provided on the outer walls of the first housing 1 and the second housing 2.

[0059] It can be understood that when the first housing 1 and the second housing 2 are fitted together, relevant technicians can use the locking fasteners 51 to connect the first housing 1 and the second housing 2, so that the flange is in a closed space during the heat treatment process.

[0060] In an embodiment of the present application, as Figure 1 and Figure 6 shown, a lining ring 61 is provided on the inner side wall of the second housing 2, and the lining ring 61 extends to the outside of the second housing 2.

[0061] In the above embodiment, an interference fit connection method is adopted between the lining ring 61 and the first housing 1, so as to ensure the sealing performance when the second housing 2 and the first housing 1 are connected.

[0062] In one embodiment of the present application, as Figure 1 and Figure 3 shown, on the opposite sides of the first housing 1 and the second housing 2, two first braces 81 and two second braces 82 are symmetrically arranged respectively.

[0063] It can be understood that the first braces 81 and the second braces 82 can play a role in support and stability. At the end of the second brace 82, two rollers 42 are provided, and the rollers 42 are in rolling connection with the ground rail 41.

[0064] In summary, for the flange heat treatment device of the present application embodiment, a plurality of flanges to be heat treated are placed at intervals in the first housing, and the hanger can drive the flange to rotate, so that the flange is heated evenly, thereby ensuring the heat treatment effect. By separately arranging the first housing and the second housing, when air cooling is carried out after heat treatment, it is not necessary to transfer the flange, and it can be exposed to the external environment, thereby improving the safety in the production process.

[0065] In the description of this specification, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present application, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0066] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0067] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be construed as limiting the present application. Those of ordinary skill in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present application.

Claims

1. A flange heat treatment device, characterized in that, include: A first cover shell, a second cover shell and a hanger, wherein: The first cover shell is vertically arranged relative to the ground, the second cover shell is movably arranged on one side of the first cover shell, and the side of the first cover shell opposite to the second cover shell is arranged in an open structure; A heating component is disposed inside the second housing; The hanger comprises a first drive assembly, two hanging rod assemblies, a second drive assembly and two supporting assemblies, wherein: The first driving assembly is arranged on the outer wall of the first housing, the two hanging rod assemblies are respectively connected to the inner side walls of the first housing, and one end of the two hanging rod assemblies is respectively connected to the first driving assembly; The second driving assembly is connected to the first housing, and the second driving assembly passes through the interior of the first housing; The two support assemblies are pivotally connected to the second drive assembly respectively; One end of the hanging rod assembly and one end of the supporting assembly extend to the outside of the first cover shell respectively.

2. The flange heat treatment device according to claim 1, characterized in that, Two ground rails are symmetrically arranged on one side of the first cover shell, one end of the ground rail extends to one side of the second cover shell, and two rollers are symmetrically arranged on the bottom of the second cover shell, and the rollers are rollingly arranged on the ground rails.

3. The flange heat treatment device according to claim 1, wherein The hanging rod assembly includes a fixing plate, a first hanging rod and a plurality of spacers, wherein: The fixing plate is connected to the inner side wall of the first housing, one end of the first hanging rod passes through the fixing plate, the first hanging rod is rotatably connected to the fixing plate, one end of the first hanging rod passes through the inner wall of the first housing, and one end of the first hanging rod is connected to the first driving assembly; A plurality of the spacers are respectively and equidistantly sleeved on the outer wall of the first hanging rod, and the spacers are movably connected to the first hanging rod.

4. The flange heat treatment device according to claim 1, characterized in that, The second drive assembly includes a drive motor, a lead screw and two connecting blocks, wherein: The driving motor is mounted on the outer wall of the first housing; The lead screw is rotatably connected to the first housing, one end of the lead screw passes through the inner wall of the first housing, and one end of the lead screw is connected to the output shaft of the drive motor; The lead screw is provided with two guide grooves which are symmetrically arranged and rotate in opposite directions. The two connecting blocks are respectively slidably connected with the corresponding guide grooves. The two connecting blocks are respectively located inside the first cover shell.

5. The flange heat treatment device according to claim 4, characterized in that, The support assembly includes two hinged rods, a support inner rod and a sleeve, wherein: One end of the two hinged rods is pivotally connected to the corresponding connecting blocks respectively, and the other ends of the two hinged rods are pivotally connected; One end of the supporting inner rod is rotatably connected to the other ends of the two hinged rods, one end of the supporting inner rod passes through the two hinged rods, and one end of the supporting inner rod is slidably connected to the inner wall of the first cover shell; The sleeve is sleeved on the outer side of the supporting inner rod, and the sleeve is rotatably connected to the supporting inner rod.

6. The flange heat treatment device according to claim 1, characterized in that, A plurality of locking elements are disposed on the outer walls of the first cover shell and the second cover shell.

7. The flange heat treatment device according to claim 1, characterized in that, An inner lining ring is provided on the inner side wall of the second housing, and the inner lining ring extends to the outer side of the second housing.

8. The flange heat treatment device according to claim 1, characterized in that, Two first oblique braces and two second oblique braces are symmetrically arranged on opposite sides of the first cover shell and the second cover shell.

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