Interlayer heating basket of vacuum furnace

Abstract

The utility model discloses an interlayer heating basket of a vacuum furnace, belongs to the technical field of batch welding and stacking of vacuum furnaces, and aims to solve the problems of low welding efficiency and incapability of realizing batch welding in the prior art. The interlayer heating basket of the vacuum furnace comprises an air-permeable bottom plate and an interlayer, the bottom plate is fixed at one end of the outer frame, and the bottom plate and the outer frame form a cavity structure with an opening in the upper end; the supporting ring is arranged in the middle of the inner side wall of the outer frame; the periphery of the lower surface of the interlayer partition plate is in contact support with the supporting ring, and an upper cavity structure formed by the bottom plate and the outer frame is divided into an upper cavity and a lower cavity through the interlayer partition plate; the partition plates located in the upper cavity are evenly arranged in a crossed mode to divide the upper cavity into a plurality of upper containing lattices, and the partition plates located in the lower cavity are evenly arranged in a crossed mode to divide the lower cavity into a plurality of lower containing lattices.

Description

Technical Field

[0001] The utility model belongs to the technical field of batch welding and stacking in a vacuum furnace, and particularly relates to a partition heating basket for a vacuum furnace. Background Art

[0002] When welding a main cutting tool, the traditional manual brazing method has many disadvantages. After process improvement, it is changed to the vacuum furnace brazing method. For vacuum furnace brazing, the traditional method is to provide a vacuum environment and heat in the vacuum furnace. The welding material is still silver wire. Due to the difficulty in ensuring the welding quality, the melting welding form is adopted, but only one workpiece to be welded can be placed in the vacuum furnace, and multiple workpieces cannot be welded simultaneously, resulting in low welding efficiency. Content of the Utility Model

[0003] The purpose of the utility model is to provide a partition heating basket for a vacuum furnace, which solves the problems of low welding efficiency and inability to achieve batch welding in the prior art. Multiple main cutting tools are placed in multiple grids of the heating basket for batch welding.

[0004] To achieve the above purpose, a partition heating basket for a vacuum furnace of the utility model includes:

[0005] A breathable bottom plate;

[0006] A breathable square outer frame, the bottom plate is fixed at one end of the outer frame, and the bottom plate and the outer frame form a cavity structure with an open upper end;

[0007] A partition limiting frame arranged at the middle position of the inner side wall of the outer frame;

[0008] A detachable breathable sandwich partition, the lower surface of the sandwich partition contacts and supports the partition limiting frame around the periphery, and the upper cavity structure formed by the bottom plate and the outer frame is divided into an upper cavity and a lower cavity through the sandwich partition;

[0009] And partition plates, a plurality of partition plates located in the upper cavity are arranged in a cross shape and evenly crossed, dividing the upper cavity into a plurality of upper accommodation grids, and a plurality of partition plates located in the lower cavity are arranged in a cross shape and evenly crossed, dividing the lower cavity into a plurality of lower accommodation grids.

[0010] The partition limiting block is a square frame structure.

[0011] The bottom plate includes a plurality of steel pipes evenly and alternately crossed in a cross shape, and the intersection points of the mutually crossed steel pipes are welded and fixed; each side of the outer frame includes a plurality of steel pipes evenly and alternately crossed in a cross shape, and the intersection points of the mutually crossed steel pipes are welded and fixed.

[0012] The accommodation bottom plate formed by the sandwich partition corresponding to each upper accommodation grid is taken as a whole, and first heat dissipation holes are arranged at the four corners and the center of each accommodation bottom plate.

[0013] The diameter of the first heat dissipation hole is 30 mm.

[0014] A plurality of slots are evenly arranged on one side of the partition plate, and the two partition plates are inserted and combined through the opposite slots at the cross intersection. The relationship between the depth h of the slot and the height H of the partition plate is: h≥H / 2.

[0015] The space between two adjacent slots of the partition plate or between the slot and the side wall forms a side wall as a whole, and second heat dissipation holes are arranged at the four corners and the center of the side wall as a whole.

[0016] The diameter of the second heat dissipation hole is 30 mm.

[0017] The material of the interlayer heating basket of the vacuum furnace is 316 stainless steel.

[0018] The beneficial effects of the present utility model are as follows: An interlayer heating basket of a vacuum furnace of the present utility model is made of 316 stainless steel to form a breathable heating basket. The heating basket adopts a detachable sandwich partition plate, which is divided into upper and lower layers. Limiting blocks are arranged on the sandwich partition plate. First heat dissipation holes are opened on the sandwich partition plate at a certain distance, and the diameter is During the heating process of the vacuum furnace, the hot air has good fluidity and each part is heated evenly. The upper cavity and the lower cavity of the heating basket are respectively separated by cross-shaped partition plates to form a plurality of upper accommodation cavities and a plurality of lower accommodation cavities. Second heat dissipation holes are opened in the middle of the partition plates. One main cutting tool can be placed in each upper accommodation grid or lower accommodation cavity, so as to realize the stacking of a plurality of main cutting tools and realize simultaneous welding. The material of the heating basket is 316 material, which is more resistant to high temperature and corrosion. It meets the requirements of the heating basket for corrosion resistance and high temperature resistance. At the same time, 40 main cutting tools can be heated at one time by the vacuum furnace, which also meets the requirements of batch production of products. Description of the Drawings

[0019] Figure 1 It is a schematic diagram of the overall structure of an interlayer heating basket of a vacuum furnace of the present utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the sandwich partition plate in an interlayer heating basket of a vacuum furnace of the present utility model;

[0021] Figure 3 It is a top view of the structure of the sandwich partition plate in an interlayer heating basket of a vacuum furnace of the present utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the partition plate in an interlayer heating basket of a vacuum furnace of the present utility model;

[0023] Figure 5 It is a front view of the structure of the partition plate in an interlayer heating basket of a vacuum furnace of the present utility model;

[0024] Figure 6Schematic diagram of the partition limiting frame structure in the interlayer heating basket of a vacuum furnace for the present utility model;

[0025] Among them: 1. Bottom plate, 2. Outer frame, 3. Partition limiting frame, 4. Interlayer partition, 401. First heat dissipation hole, 5. Separator plate, 501. Slot, 502. Second heat dissipation hole. Specific implementation mode

[0026] The following further describes the implementation mode of the present utility model in conjunction with the attached drawings.

[0027] See Figures 1-6 , an interlayer heating basket of a vacuum furnace of the present utility model includes:

[0028] A breathable bottom plate 1;

[0029] A breathable square outer frame 2, the bottom plate 1 is fixed at one end of the outer frame 2, and the bottom plate 1 and the outer frame 2 form a cavity structure with an open upper end;

[0030] A partition limiting frame 3 arranged at the middle position of the inner side wall of the outer frame 2;

[0031] A detachable breathable interlayer partition 4, the periphery of the lower surface of the interlayer partition 4 contacts and supports the partition limiting frame 3, and the upper cavity structure formed by the bottom plate 1 and the outer frame 2 is divided into an upper cavity and a lower cavity through the interlayer partition 4;

[0032] And a separator plate 5, a plurality of separator plates 5 located in the upper cavity are arranged in a cross shape and evenly crossed, dividing the upper cavity into a plurality of upper accommodation grids, and a plurality of separator plates 5 located in the lower cavity are arranged in a cross shape and evenly crossed, dividing the lower cavity into a plurality of lower accommodation grids.

[0033] The partition limiting frame is a square frame structure.

[0034] The bottom plate 1 includes a plurality of steel pipes evenly and crosswise staggered, and the intersections of the mutually staggered steel pipes are welded and fixed; each side of the outer frame 2 includes a plurality of steel pipes evenly and crosswise staggered, and the intersections of the mutually staggered steel pipes are welded and fixed.

[0035] The accommodation bottom plate 1 formed by the corresponding formation of the interlayer partition 4 and each upper accommodation grid is taken as a whole, and first heat dissipation holes 401 are arranged at the four corners and the center of each accommodation bottom plate 1.

[0036] The diameter of the first heat dissipation hole 401 is 30 mm.

[0037] A plurality of slots 501 are evenly arranged on one side of the separator plate 5, and the two separator plates 5 are inserted and combined through the opposite slots 501 at the cross intersection, and the relationship between the depth h of the slot 501 and the height H of the separator plate 5 is: h≥H / 2.

[0038] Between two adjacent slots 501 of the partition plate 5 or between the slot 501 and the side, it is used as a whole side wall, and second heat dissipation holes 502 are arranged at the four corners and the center of the whole side wall.

[0039] The diameter of the second heat dissipation hole 502 is 30 mm.

[0040] The material of the vacuum furnace interlayer heating basket is 316 stainless steel.

[0041] In this embodiment, the heating basket is 1.3 m long, 1.2 m wide, and 0.75 m high. In the heating basket space of 1.17 m3, the upper and lower layers can be divided into 40 small spaces with a volume of 0.02925 m3.

Claims

1. A vacuum furnace interlayer heating basket, characterized in that: include: A breathable bottom plate (1); A breathable square outer frame (2), the bottom plate (1) being fixed to one end of the outer frame (2), the bottom plate (1) and the outer frame (2) forming a cavity structure with an open upper end; A partition limiting frame (3) arranged at a middle position of the inner side wall of the outer frame (2); A detachable breathable interlayer partition (4), the lower surface of which is in contact with and supported by the partition limit frame (3) on all sides, and the upper cavity structure formed by the bottom plate (1) and the outer frame (2) is divided into an upper cavity and a lower cavity by the interlayer partition (4); And a partition plate (5), wherein a plurality of partition plates (5) located in the upper cavity are evenly arranged in a cross shape to divide the upper cavity into a plurality of upper storage compartments, and a plurality of partition plates (5) located in the lower cavity are evenly arranged in a cross shape to divide the lower cavity into a plurality of lower storage compartments.

2. A vacuum furnace interlayer heating basket according to claim 1, characterized in that: The partition plate limiting frame (3) is a square frame structure.

3. The vacuum furnace interlayer heating basket according to claim 1, characterized in that: The bottom plate (1) comprises a plurality of steel pipes evenly interlaced in a cross shape, and the intersections of the interlaced steel pipes are welded and fixed; each side surface of the outer frame (2) comprises a plurality of steel pipes evenly interlaced in a cross shape, and the intersections of the interlaced steel pipes are welded and fixed.

4. The vacuum furnace interlayer heating basket according to claim 1, characterized in that: The interlayer partition (4) and the corresponding receiving bottom plate (1) of each upper receiving compartment are formed as a whole, and first heat dissipation holes (401) are arranged at the four corners and the center of each receiving bottom plate (1).

5. The vacuum furnace interlayer heating basket according to claim 4, characterized in that: The diameter of the first heat dissipation hole (401) is 30 mm.

6. A vacuum furnace interlayer heating basket according to any one of claims 1 to 5, characterized in that: A plurality of slots (501) are evenly arranged on one side of the partition plate (5), and two partition plates (5) are inserted into each other at a cross-intersection through the opposite slots (501), and the relationship between the depth h of the slots (501) and the height H of the partition plate (5) is: h≥H / 2.

7. The vacuum furnace interlayer heating basket according to claim 6, characterized in that: The partition plate (5) is formed between two adjacent slots (501) or between the slot (501) and the side edge as a side wall as a whole, and second heat dissipation holes (502) are provided at the four corners and the center of the side wall as a whole.

8. The vacuum furnace interlayer heating basket according to claim 7, characterized in that: The diameter of the second heat dissipation hole (502) is 30 mm.

9. The vacuum furnace interlayer heating basket according to claim 1, characterized in that: The vacuum furnace interlayer heating basket is made of 316 stainless steel.

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