Hanging device for heat treatment of long plate type metal workpieces

Abstract

The utility model discloses a heat treatment hanging device for long plate type metal workpieces, which comprises a base, three support rods, a connecting ring and a hanging ring, one ends of the three support rods are uniformly distributed on the base, the other ends of the three support rods are uniformly distributed on the outer wall of the connecting ring, the hanging ring is fixed in the middle of the upper end of the connecting ring, and the workpieces penetrate through the connecting ring and are fixed on the base. The inner diameter of the connecting ring is larger than the outer diameter of the workpiece; the utility model has the advantages that the workpiece can be vertically mounted and hung in the heat treatment process, the deformation of the workpiece is reduced to the greatest extent, the heat treatment qualification rate of the workpiece is improved, and the increase of additional working procedures and production cost caused by correction and machining can be reduced; mutual influence of workpieces in the heating and cooling processes can be effectively reduced, the structure is simple and convenient, deformation of the workpieces can be controlled to the maximum degree, the operation difficulty of operators can be effectively reduced, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of heat treatment rack, specifically relates to a kind of for long plate class metalwork heat treatment device. BACKGROUND

[0002] Heat treatment process mainly includes heating, holding, cooling three stages.Metalwork heat treatment is to place the workpiece in certain heating medium and heat to a certain temperature, after holding for a period of time, it is cooled by certain cooling rate, by changing the chemical composition and organization of material surface or internal, obtain the required performance of a kind of metal hot working process.Metalwork is prone to thermal stress when heating or cooling uneven, and because of the unequal timeliness of organization transformation, it is prone to organizational stress, under the joint action of thermal stress and organizational stress in the process of organization phase change caused by temperature difference between inside and outside of workpiece, it will lead to certain distortion of workpiece, i.e.

[0003] When using traditional heat treatment rack to place long plate class workpiece for heat treatment, there is no enough fixing point to fix the workpiece, and there is no suitable hanging method to place the workpiece, so improper loading method and unsuitable device for workpiece are prone to cause deformation of workpiece during heat treatment. UTILITY MODEL CONTENT

[0004] For the above prior art, the purpose of the utility model is to solve the problems of large size and difficult to hang of existing long plate class workpiece during heat treatment, and to control heat treatment deformation, so as to provide a device for long plate class metalwork heat treatment, which can improve the quality of heat treated workpiece, loading capacity and reduce the deformation of workpiece.

[0005] In order to achieve the above object, the utility model discloses the technical scheme that a kind of for long plate metal workpiece heat treatment is hung device, including base, support rod, connecting ring and lifting ring, support rod is equipped with 3, 3 support rod one end is distributed on base, the other end is distributed on the outer wall of connecting ring, lifting ring is fixed in the middle of connecting ring upper end, workpiece passes through connecting ring and is fixed on base, connecting ring inner diameter is greater than workpiece outer diameter, connecting ring is parallel to bottom disc.

[0006] Further, the base is a hollow honeycomb disc.

[0007] Further, the base is a hollow honeycomb disc.

[0008] Further, the support rod is cylindrical.

[0009] Further, the support rod is welded with the connecting ring.

[0010] Further, the lifting ring is welded with the connecting ring.

[0011] Further, the shape of the connecting ring is changed according to the shape of the workpiece, which is beneficial to fix the workpiece and reduce the shaking of the workpiece.

[0012] Further, the upper and lower ends of the workpiece are respectively fixed with the connecting ring and the base by iron wire.

[0013] Further, the connecting ring is provided with a plurality of through holes for installing the workpiece, and the inner diameter of each through hole is greater than the outer diameter of the installed workpiece.

[0014] In the utility model, the support rod is cylindrical, and the three support rods are evenly distributed at the three equal division points of the base, which is beneficial to improve the stability of the rack; the workpiece is placed on the base through the two through holes on the connecting ring, and there is enough gap between the workpieces, which does not affect the heating and cooling process of the workpiece, and the workpiece bottom can be fixed on the base by iron wire, further improving the stability; the material of the rack of the utility model device is high-temperature alloy, and the base, connecting ring and lifting ring are obtained by casting process.

[0015] In the utility model, the hollow honeycomb disc structure of the base can effectively improve the structural stability during heat treatment, effectively reduce the deformation of the rack under the premise of reducing the weight of the whole base, and the hollow base design is beneficial to air flow (heat radiation in vacuum furnace) and quenching oil flow during heat treatment heating and cooling, which effectively reduces the deformation of the workpiece; the simple diagram of the device is as follows Figure 1As shown, the connecting ports are left at the three equal division points of the outer side of the base, the support rods are connected with the base and the connecting ring by welding, and the lifting rings are also connected with the connecting ring by welding, so that the stability of the workpiece is ensured in the heating and quenching cooling process according to the principle that the triangle has stability, and the position of the workpiece is not changed, thereby affecting the heat treatment quality.

[0016] The beneficial effects of the utility model are: guaranteeing that the workpiece can be vertically hung in the heat treatment process, minimizing the deformation of the workpiece, improving the heat treatment qualified rate of the workpiece, guaranteeing normal delivery of the workpiece, and simultaneously reducing the increase of additional processes and production cost caused by correction and machining. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model is a structural schematic view;

[0018] Figure 2 The utility model is a use schematic view.

[0019] Among them: 1 is a lifting ring, 2 is a connecting ring, 3 is a support rod, 4 is a base, 5 is a connecting port, 6 is a through hole, 7 is a workpiece. DETAILED DESCRIPTION

[0020] The specific embodiments of the utility model are described in detail in combination with the drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0021] In the description of the present application, it should be explained that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "parallel" and the like is the orientation or position relationship shown in the drawings, and is only used to facilitate the description of the present application and simplify the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0022] In addition, it should be noted that unless specifically stated and limited otherwise, the terms "mounting", "connected", "connection", "provided with" and the like should be interpreted broadly, for example, can be fixedly connected, can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0023] It should also be understood that the terms "including", "comprising", "consisting of" or any other variant thereof are intended to cover non-exclusive inclusions, so that the product, device, process or method including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such product, device, process or method. Without more limitations, the elements defined by the statement "including", "comprising", "consisting of" do not exclude the presence of other identical elements in the product, device, process or method including the elements. Embodiments

[0024] The following illustrates the utility model:

[0025] For example, Figures 1 to 2As shown, the utility model provides a kind of for long plate metalwork heat treatment equipment, device part is all selected using GH2132 high-temperature alloy casting, including base 4, support rod 3, connecting ring 2 and lifting ring 1, wherein, base 4 diameter is 1200~1500mm, thickness is 40~80mm, base 4 structure is hollow honeycomb disc, base 4 outside uniform three points of equal division are all equipped with a connecting port 5, connecting port 5 is concave arc, bottom is plane;Support rod 3 diameter is 60~80mm, length is 1000~1800mm, support rod 3 is equipped with three, three support rod 3 are cylindrical;Connecting ring 2 diameter is 200~300mm, thickness is 20~40mm, the shape of connecting ring 2 can be changed according to the shape of workpiece 7, it is favorable to fix workpiece 7, reduce workpiece 7 shake, connecting ring 2 is equipped with two through holes 6 for installing workpiece 7, and the inner diameter of each through hole 6 is greater than the outer diameter of the workpiece 7 installed respectively;Lifting ring 1 diameter is 200~300mm, thickness is 10~20mm;Other auxiliary workpiece 7 size and relative position are determined according to equipment size and workpiece 7 size;Three support rod 3 bottom is respectively welded with the plane of three connecting ports 5 on base 4, top is welded with the outer wall of connecting ring 2, and three support rod 3 is distributed on the outer wall of connecting ring 2, lifting ring 1 is welded on the middle part of connecting ring 2, workpiece 7 is placed on base 4 and fixed by passing through the through hole 6 on connecting ring 2, and workpiece 7 is fixed on base 4 and connecting ring 2 by iron wire, the inner diameter of through hole 6 is greater than the outer diameter of workpiece 7, and connecting ring 2 is parallel to base 4.

[0026] The installation mode of the utility model is that support rod 3 is connected with three three-equal-division connecting ports 5 reserved on base 4 and connecting ring 2 by welding, and lifting ring 1 is welded on connecting ring 2, so as to facilitate hoisting and mounting equipment. Figure 1 As shown, long plate workpiece is placed on base 4 and fixed by passing through the through hole 6 of connecting ring 2, and workpiece 7 is fixed on base 4 and connecting ring 2 by iron wire, to further improve the stability of workpiece.

[0027] The specific embodiments of the utility model are described above. It should be understood that the utility model is not limited to the above specific embodiments, and those skilled in the art can make various changes or modifications within the scope of the claims, which does not affect the essential content of the utility model. In the case of no conflict, the embodiments of the application and the features in the embodiments can be combined arbitrarily.

Claims

1. A device for hanging long plate-like metal workpieces for heat treatment, characterized in that: It comprises a base, support rods, a connecting ring and a lifting ring, the support rods are three, the three support rods are evenly distributed on the base at one end and on the outer wall of the connecting ring at the other end, the lifting ring is fixed on the upper middle part of the connecting ring, the workpiece passes through the connecting ring and is fixed on the base, the inner diameter of the connecting ring is larger than the outer diameter of the workpiece, the connecting ring is parallel to the base, the base is a hollow honeycomb disc, a connecting port is arranged at each of the three evenly divided points on the outer side of the base, and the bottoms of the three support rods are respectively welded with the three connecting ports on the base.

2. The device for hanging long plate-like metal workpieces for heat treatment according to claim 1, characterized in that: The support rods are cylindrical.

3. The device for hanging long plate-like metal workpieces for heat treatment according to claim 1, characterized in that: The support rods are welded with the connecting ring.

4. The device for hanging long plate-like metal workpieces for heat treatment according to claim 1, characterized in that: The lifting ring is welded with the connecting ring.

5. The device for hanging long plate-like metal workpieces for heat treatment according to claim 1, characterized in that: The shape of the connecting ring is changed according to the shape of the workpiece.

6. The device for hanging long plate-like metal workpieces for heat treatment according to claim 1, characterized in that: The upper and lower ends of the workpiece are respectively fixed with the connecting ring and the base through iron wires.

7. The device for hanging long plate-like metal workpieces for heat treatment according to claim 1, characterized in that: A plurality of through holes for mounting the workpiece are arranged on the connecting ring, and the inner diameters of the through holes are respectively larger than the outer diameters of the mounted workpieces.

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