Die insert heat preservation device

Abstract

The utility model provides a die insert heat preservation device, and belongs to the technical field of insert preparation. Comprising a box body, an inner container, a first heat preservation layer, a bottom layer, supports, supporting rods and a box cover. The heat preservation and cooling device is used for conducting heat preservation and cooling on the insert subjected to repair welding, and the box body, the inner container, the first heat preservation layer arranged between the box body and the inner container and the box cover are arranged, so that heat preservation is effectively conducted on the insert subjected to repair welding, slow cooling is achieved, and the influence of the environment on the insert subjected to repair welding is isolated; meanwhile, by arranging the bottom layer, the bearing capacity of the box body is improved, so that a plurality of mold inserts can be stored at the same time, and the effective utilization rate of the space is improved; a supporting rod is arranged, so that the box cover is prevented from deforming due to the gravity of the box cover when the box cover is in an open state, and the sealing performance between the box cover and the box body is prevented from being affected; and compared with an existing plug-in heat preservation furnace, the plug-in heat preservation furnace has higher practicability and the same quality benefit, and meanwhile energy consumption is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of insert preparation technology and relates to a mold insert heat preservation device. Background Technology

[0002] The casting mold insert is composed of metal, refractory materials, and insulating materials. Its development process includes: ① In the design stage, the shape, size, and material type of the insert need to be determined based on the required mold size, shape, and usage environment; ② Material preparation includes mixing refractory, metal, and insulating materials in proportion and pre-treating them, such as drying, to ensure that the materials are in a suitable state; ③ Mold making requires cutting, stamping, or casting into the required shape according to the design drawings; ④ The processing stage involves grinding, cutting, or drilling as needed; ⑦ The processed mold insert is assembled into the required mold to complete the development process.

[0003] After the inserts are welded, to effectively reduce thermal stress, they are typically placed in a heat-insulating furnace for slow cooling. However, most existing heat-insulating furnaces rely on electricity to maintain their insulation effect, which poses a significant limitation when used in locations without power. Furthermore, common heat-insulating furnaces are mostly horizontal in design, occupying a large amount of space and hindering efficient space utilization. Utility Model Content

[0004] Based on the shortcomings of the existing technology, this utility model aims to provide a mold insert insulation device that does not require electricity, has a simple overall structure, and a large storage capacity, so as to improve the effective use of space and increase the adaptability of application scenarios.

[0005] This utility model provides a mold insert insulation device, including a box body, an inner liner, a first insulation layer, a bottom layer, a support, a strut, and a box cover;

[0006] The inner liner is disposed inside the box, and an installation cavity for installing the first insulation layer is provided between the inner liner and the box.

[0007] The bottom layer is disposed on the lower end surface of the box body;

[0008] The support is located on the lower end surface of the bottom layer and is used to support the entire box body;

[0009] The lid and the box body are movably connected, and a support rod can be detachably installed on the lid to support it.

[0010] Furthermore, the casing is made of cold-rolled steel plate with an impact resistance thickness of 1.5-2.5 mm, and the inner liner is made of a material with heat insulation properties, with the thickness of the inner liner set at 40.0 mm-50.0 mm.

[0011] Furthermore, the enclosure is constructed using sealed welding.

[0012] Furthermore, the material of the first insulation layer is set to any one of aerogel felt, fiberglass wool, polyurethane foam or insulation brick.

[0013] Furthermore, the lid includes an outer layer, an inner layer, and a second insulation layer disposed between the outer layer and the inner layer;

[0014] The enclosure is made of cold-rolled steel plate with an impact resistance thickness of 1.5-2.5mm, and the inner liner is made of a material with heat insulation properties, with a thickness of 40.0mm-50.0mm.

[0015] The material of the second insulation layer is set to any one of aerogel felt, fiberglass wool, polyurethane foam or insulation brick.

[0016] Furthermore, a sealing structure is provided between the lid and the body of the box.

[0017] Furthermore, the sealing structure includes a sealing groove disposed on the box body and a sealing ring disposed on the box cover. When the box cover is in a closed state relative to the box body, the sealing ring is embedded in the sealing groove.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] This utility model provides a mold insert insulation device for heat preservation and cooling of welded inserts. By configuring a box body, an inner liner, a first insulation layer between the box body and the inner liner, and a lid, it effectively insulates the welded inserts while achieving slow cooling and isolating them from environmental influences. Simultaneously, the bottom layer enhances the box body's load-bearing capacity, allowing for the simultaneous storage of multiple mold inserts and improving space utilization. Support rods prevent deformation of the lid under its own weight when open, thus maintaining the seal between the lid and the box body. Furthermore, it offers greater practicality and comparable quality and efficiency to existing plug-in insulation furnaces while saving energy.

[0020] In addition to the objectives, features, and advantages described above, this utility model has other objectives, features, and advantages. The present utility model will now be described in further detail with reference to the figures. Attached Figure Description

[0021] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0022] Figure 1 This is a front cross-sectional view of a mold insert heat preservation device according to an embodiment of this utility model;

[0023] in:

[0024] 1. Box body, 2. Inner liner, 3. First insulation layer, 4. Bottom layer, 5. Support, 6. Support rod, 7. Box lid. Detailed Implementation

[0025] To make the above-mentioned objectives, features, and advantages of this utility model clearer and easier to understand, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It should be noted that the accompanying drawings of this utility model are all in a simplified form and use non-precise proportions, and are only used to facilitate and clearly assist in illustrating the implementation of this utility model; the "several" mentioned in this utility model are not limited to the specific number shown in the examples in the drawings; the directions or positional relationships indicated by "front," "middle," "rear," "left," "right," "up," "down," "top," "bottom," and "middle" mentioned in this utility model are all based on the directions or positional relationships shown in the accompanying drawings of this utility model, and do not indicate or imply that the device or component referred to must have a specific orientation, nor should they be construed as limitations on this utility model.

[0026] Example:

[0027] See Figure 1 As shown, the mold insert heat preservation device provided by this utility model includes a box body 1, an inner liner 2, a first heat preservation layer 3, a bottom layer 4, a support 5, a support rod 6, and a box cover 7.

[0028] The entire box 1 is welded together.

[0029] The inner liner 2 is disposed inside the box body 1, and an installation cavity for installing the first insulation layer 3 is provided between the inner liner 2 and the box body 1.

[0030] The bottom layer 4 is provided on the lower end surface of the box 1 to thicken the bottom of the box 1 and improve the load-bearing capacity of the box 1.

[0031] The support 5 is disposed on the lower end surface of the bottom layer 4 and is used to support the entire box 1;

[0032] The lid 7 is movably connected to the body 1, and a support rod 6 is detachably provided on the lid 7 to support it.

[0033] Preferably, the material of the box body 1 is a cold-rolled plate with an impact resistance thickness of 1.5-2.5 mm, the inner liner 2 is a material with heat insulation properties, and the thickness of the inner liner 2 is set to 40.0 mm-50.0 mm.

[0034] More preferably, the housing 1 is made of sealed welding to prevent heat loss caused by air convection.

[0035] Preferably, the material of the first insulation layer 3 is preferably any one or a combination of two or more of aerogel felt, glass fiber cotton, polyurethane foam or insulation brick, so that it has a low thermal conductivity and can effectively prevent heat conduction, convection and radiation; wherein, aerogel felt can achieve excellent heat insulation effect with a relatively thin thickness, glass fiber cotton has good high temperature resistance and stability, and polyurethane foam can provide complete wrapping and filling to ensure no heat leakage channels.

[0036] Preferably, the thickness of the bottom layer 4 is set to 10-20 mm.

[0037] Preferably, the box cover 7 includes an outer layer, an inner layer, and a second insulation layer disposed between the outer layer and the inner layer;

[0038] Both the outer and inner layers are made of impact-resistant materials with certain heat insulation properties. The casing 1 is made of cold-rolled steel with an impact-resistant thickness of 1.5-2.5 mm. The inner liner 2 is made of a material with heat insulation properties, and the thickness of the inner liner 2 is set to 40.0 mm-50.0 mm.

[0039] More preferably, the thickness of both the outer and inner layers is set to 1.5-2.5 mm;

[0040] The material of the second insulation layer is preferably any one or a combination of two or more of aerogel felt, glass fiber cotton, polyurethane foam or insulation brick.

[0041] More preferably, the thickness of the insulation layer is set to 40mm-50mm.

[0042] More preferably, a sealing structure is provided between the lid 7 and the body 1, so that the lid 7 can be more accurately embedded in the body 1 when closed, further enhancing the sealing performance and reducing heat dissipation.

[0043] More preferably, the sealing structure includes a sealing groove disposed on the housing 1 and a sealing ring disposed on the cover 7. When the cover 7 is in a closed state relative to the housing 1, the sealing ring is embedded in the sealing groove.

[0044] Further preferably, the lid 7 can be configured as a single-opening structure or a double-opening structure according to actual needs. Specifically, in this embodiment, the lid 7 is preferably configured as a double-opening structure to increase the flexibility of placing mold inserts of different sizes into the box.

[0045] Field tests were conducted, during which the welded inserts were either directly air-cooled or cooled in the aforementioned mold insert insulation device. The results showed that the inserts cooled in the air developed cracks and experienced a decrease in hardness (the measured original hardness was 59.4 HRC, and the hardness after air cooling was 47-56 HRC). In contrast, the inserts placed in the aforementioned mold insert insulation device did not develop cracks, and the hardness did not decrease (the measured original hardness was 59.4 HRC, and the hardness after insulation cooling was 59-59.4 HRC), meeting the hardness requirements.

[0046] Based on field tests, it was found that using the aforementioned mold insert insulation device to insulate and cool the mold insert has the following advantages:

[0047] (1) The mold insert heat preservation device provided by this utility model can cool the insert slowly and evenly to reduce the adverse effects of thermal stress on the insert, thereby solving the problem of cracks in the insert caused by the large thermal stress generated by the direct cooling of the high-temperature insert after welding.

[0048] (2) The mold insert heat preservation device provided by this utility model heats the insert after welding so that it can be cooled slowly, so that the metal structure at the welded part has enough time to undergo homogenization transformation, making the metallographic structure more stable and reasonable, thereby ensuring the mechanical properties of the insert, such as hardness and toughness.

[0049] (3) The mold insert heat preservation device provided by this utility model can create a relatively stable atmosphere environment, reduce the contact between the insert and oxygen, avoid defects such as oxide scale in the welding area and the surface of the insert, and ensure the surface quality of the insert and the welding quality.

[0050] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A mold insert heat preservation device, characterized in that, It includes the box body (1), inner liner (2), first insulation layer (3), bottom layer (4), support (5), support rod (6) and box cover (7); The inner liner (2) is disposed inside the box body (1), and an installation cavity for installing the first insulation layer (3) is provided between the inner liner (2) and the box body (1); The bottom layer (4) is disposed on the lower end surface of the box (1); The support (5) is set on the lower end surface of the bottom layer (4) and is used to support the entire box (1); The lid (7) is movably connected to the box body (1), and a support rod (6) is detachably provided on the lid (7) to support the lid (7).

2. The mold insert heat preservation device according to claim 1, characterized in that, The material of the box body (1) is a cold-rolled plate with an impact resistance thickness of 1.5-2.5MM, and the inner liner (2) is made of a material with heat insulation properties, and the thickness of the inner liner (2) is set to 40.0mm-50.0mm.

3. The mold insert heat preservation device according to claim 1, characterized in that, The box body (1) is made by sealed welding.

4. The mold insert heat preservation device according to claim 1, characterized in that, The material of the first insulation layer (3) is set to any one of aerogel felt, glass fiber cotton, polyurethane foam or insulation brick.

5. The mold insert heat preservation device according to any one of claims 1-4, characterized in that, The box cover (7) includes an outer layer, an inner layer, and a second insulation layer disposed between the outer layer and the inner layer; The material of the box body (1) is a cold-rolled plate with an impact resistance thickness of 1.5-2.5MM, and the inner liner (2) is made of a material with heat insulation properties, and the thickness of the inner liner (2) is set to 40.0mm-50.0mm. The material of the second insulation layer is set to any one of aerogel felt, fiberglass wool, polyurethane foam or insulation brick.

6. The mold insert heat preservation device according to claim 5, characterized in that, A sealing structure is provided between the box cover (7) and the box body (1).

7. The mold insert heat preservation device according to claim 6, characterized in that, The sealing structure includes a sealing groove on the box body (1) and a sealing ring on the box cover (7). When the box cover (7) is closed relative to the box body (1), the sealing ring is embedded in the sealing groove.

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