An integrated basket tooling for a vertical vacuum furnace

Abstract

This utility model belongs to the field of heat treatment technology, specifically relating to a material basket for a vacuum heat treatment furnace. An integrated material basket fixture for a vertical vacuum furnace includes a material tray and a mesh tray. The material tray serves as the base, with a central hole for a central support rod and through holes for edge support rods. The mesh tray is placed on the material tray for placing parts, and also has a central hole for a central support rod. The upper and lower material trays are separated and supported by a central support rod, edge support rods, and a sleeve. This utility model has the following advantages: it eliminates the need for a pallet, allowing for mass production of large-diameter parts; it meets the requirements of high-quality material, stable performance, and high load-bearing capacity of vacuum furnace material baskets; it ensures the fluidity of the quenching medium within the basket, guaranteeing the mechanical properties of the workpiece; and it only requires one loading and unloading operation, making it convenient and effective during quenching, tempering, and vacuum cleaning processes, reducing the impact of operator skill level on product quality.

Description

Technical Field

[0001] This utility model belongs to the field of heat treatment technology, specifically relating to a material basket for a vacuum heat treatment furnace. Background Technology

[0002] In the heat treatment process, the workpieces to be processed are placed in a material basket for in-furnace heat treatment. After heat treatment, the workpieces, along with the material basket, are transferred to an oil bath for quenching. This is an inevitable energy consumption, but if the weight of the basket can be reduced to the greatest extent possible while ensuring its strength and lifespan, the energy consumption of the material basket can be reduced, more workpieces can be loaded, efficiency can be improved, and energy consumption can be significantly reduced.

[0003] Because the diameter of the material baskets on site is relatively small, some large parts cannot be placed in them. Therefore, it is necessary to design material baskets with a larger diameter to meet the normal production needs of the parts. Since the vacuum furnace has a certain height that is outside the effective heating zone, the auxiliary tooling mode for the vacuum furnace on site is a tray + material basket. Loading and unloading must be done in two steps, which is complicated, inconvenient to clean, and wastes workers' time and energy. Utility Model Content

[0004] The purpose of this invention is to provide an integrated material basket fixture for a vertical vacuum furnace, which can ensure the mechanical properties of the workpiece and facilitate loading, unloading, and vacuum cleaning.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an integrated material basket fixture for a vertical vacuum furnace, the fixture including a material tray and a mesh tray; the material tray serves as a base, with a central hole for a central support rod to pass through in the center and through holes for an edge support rod to pass through in the edge; the mesh tray is placed on the material tray for placing parts, and has a central hole for a central support rod to pass through in the center; the upper and lower material trays are separated and supported by a central support rod, an edge support rod, and a sleeve.

[0006] Preferably, the material tray has multiple hexagonal honeycomb holes that penetrate the upper and lower surfaces of the material tray.

[0007] Preferably, the edge of the tray has multiple notches that are evenly distributed.

[0008] Preferably, reinforcing ribs are evenly distributed on the material tray.

[0009] Preferably, the diameter of the mesh tray is smaller than that of the material tray, and it is woven from stainless steel wire into a mesh.

[0010] Preferably, the outer edge and bottom of the mesh disk are reinforced with large-diameter steel bars.

[0011] Preferably, the diameter of the central support rod is larger than the diameter of the edge support rods.

[0012] Preferably, a lifting ring is connected to the upper end of the central support rod via a lifting ring pin.

[0013] Preferably, the bottom of the material basket is flat to ensure that it is placed firmly.

[0014] Compared with the prior art, this utility model has the following advantages: After the application of this integrated material basket tooling, there is no need to use a pallet, which can meet the needs of mass production of large-diameter parts. It meets the characteristics of vacuum furnace material baskets such as good material, stable performance, and large load-bearing capacity, ensuring the fluidity of the quenching medium in the basket and ensuring the mechanical properties of the workpiece. At the same time, it only needs to be loaded and unloaded once, which is convenient and effective in the quenching, tempering and vacuum cleaning process, saving workers' time and energy, saving production costs, and reducing the impact of the operator's skill level on product quality. Attached Figure Description

[0015] Figure 1 This is an assembly drawing of an embodiment of the present utility model;

[0016] Figure 2 This is a schematic diagram of the material tray structure in an embodiment of this utility model;

[0017] Figure 3 This is a schematic diagram of the cloud drive structure in an embodiment of this utility model;

[0018] Figure 1 In the middle, 1. material tray; 2. mesh tray; 3. edge support rod; 4. center support rod; 5. sleeve; 6. lifting ring; 7. lifting ring pin. Detailed Implementation

[0019] The following is in conjunction with the appendix Figure 1-3 The present invention is further described in detail as follows: An integrated material basket fixture for a vertical vacuum furnace, the fixture including a material tray 1 and a mesh tray 2; the material tray 1 serves as a base, with a central hole for a central support rod 4 to pass through in its center and through holes for an edge support rod 3 to pass through in its edge; the mesh tray 2 is placed on the material tray 1 for placing parts, with a central hole for a central support rod 4 to pass through in its center; the upper and lower material trays are separated and supported by the central support rod 4, the edge support rod 3 and the sleeve 5.

[0020] like Figure 1 , 2As shown, the material basket tray 1 adopts a regular hexagonal honeycomb structure with evenly distributed reinforcing ribs, ensuring more uniform load-bearing capacity and effectively preventing deformation and cracking under high temperature and large temperature difference conditions. This greatly increases structural rigidity, ensures strength, and significantly improves resistance to deformation, thereby doubling the service life of the material basket. The evenly distributed notches on the edge of the tray effectively release stress and reduce deformation and cracking. The bottom of the material basket is flat, ensuring stable placement. The diameter of the central hole and through hole on the tray is smaller than the diameter of the sleeve 5, ensuring the supporting function of the sleeve 5. The tray 1 is connected by the sleeve 5 to the edge support rod 3 and the central support rod 4, without fixing the tray 1. By adding or removing the sleeve 5, the height of the tray 1 can be adjusted according to the size and number of parts. Under the same furnace loading space, the number of loading layers is maximized to increase the overall loading capacity, which is flexible, improves production efficiency, reduces consumption, and further achieves the effect of improving efficiency and saving energy.

[0021] like Figure 1 , 3 As shown, when the parts are heat treated, they are placed on the mesh tray 2. The diameter of the mesh tray 2 is smaller than that of the material tray 1. It is made of stainless steel wire woven into a mesh, so the parts are not easy to fall off. This saves materials, ensures strength, and also ensures the fluidity of the quenching medium inside the mesh tray, thus improving production efficiency. The outer edge and bottom of the mesh tray are reinforced with symmetrical large-diameter steel bars.

[0022] like Figure 1 As shown, the central support rod 4 has a larger diameter than the edge support rod 3, which improves the load-bearing strength of the basket; the lifting ring 6 is connected to the upper end of the central support rod 4 by the lifting ring pin 7, which facilitates the lifting of the basket by workers during loading, unloading and cleaning, saving time and effort.

[0023] Because the quenching and heating temperatures required for producing the parts are high, heat-resistant steel 2520 is selected as the material for the material basket to ensure its load-bearing strength and resistance to deformation.

[0024] Because the vacuum furnace has a certain height that is outside the effective heating zone, parts must not be placed at the bottom of the material basket. Only an integrated vacuum furnace material basket is needed, eliminating the need for a tray. Heat treatment can be completed by loading and unloading only once during quenching and tempering and vacuum cleaning.

Claims

1. An integrated material basket tooling for a vertical vacuum furnace, characterized in that: The tooling includes a material tray and a mesh tray; the material tray serves as a base, with a central hole for a central support rod to pass through in the center and through holes for an edge support rod to pass through in the edge; the mesh tray is placed on the material tray for placing parts, and has a central hole for a central support rod to pass through in the center; the upper and lower material trays are separated and supported by a central support rod, an edge support rod, and a sleeve.

2. The integrated material basket fixture for a vertical vacuum furnace according to claim 1, characterized in that: The material tray has multiple hexagonal honeycomb holes that penetrate the upper and lower surfaces of the tray.

3. The integrated material basket fixture for a vertical vacuum furnace according to claim 1, characterized in that: The material tray has multiple notches on its edge, which are evenly distributed.

4. The integrated material basket fixture for a vertical vacuum furnace according to claim 1 or 2, characterized in that: The material tray has reinforcing ribs evenly distributed on it.

5. The integrated material basket fixture for a vertical vacuum furnace according to claim 1, characterized in that: The diameter of the mesh tray is smaller than that of the material tray, and it is made of stainless steel wire woven into a mesh.

6. The integrated material basket fixture for a vertical vacuum furnace according to claim 1, characterized in that: The outer edge and bottom of the network disk are reinforced with large-diameter steel bars.

7. The integrated material basket fixture for a vertical vacuum furnace according to claim 1, characterized in that: The diameter of the central support rod is larger than the diameter of the edge support rods.

8. The integrated material basket fixture for a vertical vacuum furnace according to claim 1, characterized in that: A lifting ring is connected to the upper end of the central support rod via a lifting ring pin.

9. The integrated material basket fixture for a vertical vacuum furnace according to claim 1, characterized in that: The bottom of the material basket should be flat to ensure it is placed securely.

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