High-sealing device of vacuum furnace

Abstract

The utility model discloses a vacuum furnace high sealing device which comprises a vacuum furnace body, one side of the vacuum furnace body is fixedly connected with a rotating frame, one side of the rotating frame is rotatably connected with a sealing cover, and the middle of one side of the sealing cover is fixedly connected with a sealing disc. A plurality of sealing rings are fixedly connected to the edge of one side of the vacuum furnace body, a plurality of sealing grooves are formed in one end of the vacuum furnace body, and the inner walls of the sealing grooves are slidably connected with the outer surfaces of the sealing rings in a clamped mode. The sealing cover is closed, one side of each sealing ring enters the corresponding sealing groove, the outer surface of the sealing disc is connected with one side of the inner wall of the vacuum furnace body in a clamped mode, and therefore labyrinth type sealing is formed in a connecting gap between the vacuum furnace body and the sealing cover, the sealing performance between the vacuum furnace body and the sealing cover is improved, and the sealing effect of the vacuum furnace is improved. The structure is simple, operation is convenient, the sealing performance of the vacuum furnace body is effectively improved, and the replacement frequency of the sealing ring can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum furnace equipment, in particular to a high sealing device for a vacuum furnace. Background Art

[0002] A vacuum furnace is an industrial equipment that performs heat treatment in a high vacuum environment. It achieves a set vacuum degree by removing the air in the furnace, thereby realizing the heat treatment process of the workpiece. When using a vacuum furnace, a high sealing device is usually required to ensure the sealing between the vacuum furnace and the furnace cover.

[0003] At present, most vacuum furnaces are sealed by simply installing a sealing ring on the furnace cover and opening a sealing groove on the vacuum furnace to achieve sealing of the vacuum furnace. However, after long-term use of this method, the sealing effect of the vacuum furnace sealing ring deteriorates and the sealing ring needs to be replaced, which is inconvenient to use. Utility Model Content

[0004] The purpose of the utility model is to provide a high sealing device for a vacuum furnace to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-sealing device for a vacuum furnace, comprising a vacuum furnace body, a rotating frame fixedly connected to one side of the vacuum furnace body, a sealing cover rotatably connected to one side of the rotating frame, a sealing disk fixedly connected to the middle part of one side of the sealing cover, a plurality of sealing rings fixedly connected to the edge of one side of the vacuum furnace body, a plurality of sealing grooves being provided at one end of the vacuum furnace body, and the inner walls of the plurality of sealing grooves being respectively slidably engaged with the outer surfaces of the plurality of sealing rings.

[0006] As a further preferred embodiment of the present technical solution, both sides of the lower end of the vacuum furnace body are fixedly connected with support frames, one side of the two support frames is fixedly connected with reinforcing ribs, and one side of the two reinforcing ribs is fixedly connected to one side of the vacuum furnace body.

[0007] As a further preferred embodiment of the present technical solution, a rotating handle is fixedly connected to one side of the sealing cover.

[0008] As a further preferred embodiment of the present technical solution, a plurality of U-shaped brackets 1 are fixedly connected to the other side of the outer surface of the vacuum furnace body, the inner walls of the plurality of U-shaped brackets 1 are rotatably connected to rotating blocks, the inner walls of the plurality of rotating blocks are threadedly connected to threaded rods, one side of the outer surfaces of the plurality of threaded rods are fixedly connected to fixing rings, one side of the outer surface of the sealing cover is fixedly connected to a plurality of U-shaped brackets 2, and one side of the plurality of fixing rings is respectively clamped with one side of the plurality of U-shaped brackets 2.

[0009] As a further preferred embodiment of the present technical solution, one end of each of the plurality of threaded rods is fixedly connected to a rotating disk.

[0010] The utility model provides a high sealing device for a vacuum furnace, which has the following beneficial effects:

[0011] (1) The utility model closes the sealing cover so that one side of the multiple sealing rings enters the interior of the multiple sealing grooves respectively, and the outer surface of the sealing disk is clamped with one side of the inner wall of the vacuum furnace body, thereby forming a labyrinth seal in the connecting gap between the vacuum furnace body and the sealing cover, thereby improving the sealing between the vacuum furnace body and the sealing cover. This structure is simple and easy to operate, effectively improves the sealing of the vacuum furnace body, and can reduce the number of times the sealing rings are replaced.

[0012] (2) The utility model rotates the threaded rod on the U-shaped bracket 1 when the sealing cover is closed, rotates the threaded rod into the U-shaped bracket 2, rotates the rotating threaded rod, and moves the threaded rod along the thread groove in the rotating block. The other threaded rods are operated in the same way, so that one side of the fixed ring fits with one side of the U-shaped bracket 2, thereby tightly fitting the sealing cover to the vacuum furnace body, reducing the gap between the sealing cover and the vacuum furnace body, and improving the sealing effect of the vacuum furnace body. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model when it is opened;

[0015] Figure 3 for Figure 2 A partial enlarged schematic diagram of area A in the middle;

[0016] Figure 4 This is a schematic diagram of the three-dimensional structure of the sealing cover in the present utility model;

[0017] In the figure: 1. Vacuum furnace body; 2. Support frame; 3. Reinforcement rib; 4. Sealing cover; 5. Rotating handle; 6. Rotating frame; 7. U-shaped bracket 1; 8. U-shaped bracket 2; 9. Sealing groove; 10. Sealing ring; 11. Sealing disk; 12. Rotating block; 13. Threaded rod; 14. Fixing ring; 15. Rotating disk. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0019] The utility model provides a technical solution: Figure 1 - Figure 4As shown, in this embodiment, a high sealing device for a vacuum furnace includes a vacuum furnace body 1, a rotating frame 6 is fixedly connected to one side of the vacuum furnace body 1, a sealing cover 4 is rotatably connected to one side of the rotating frame 6, a sealing disk 11 is fixedly connected to the middle part of one side of the sealing cover 4, and a plurality of sealing rings 10 are fixedly connected to the edge of one side of the vacuum furnace body 1, and a plurality of sealing grooves 9 are opened at one end of the vacuum furnace body 1, and the inner walls of the plurality of sealing grooves 9 are respectively slidably engaged with the outer surfaces of the plurality of sealing rings 10. By closing the sealing cover 4, one side of the plurality of sealing rings 10 is respectively entered into the interior of the plurality of sealing grooves 9, and the outer surface of the sealing disk 11 is engaged with one side of the inner wall of the vacuum furnace body 1, thereby forming a labyrinth seal in the connecting gap between the vacuum furnace body 1 and the sealing cover 4, thereby improving the sealing between the vacuum furnace body 1 and the sealing cover 4. This structure is simple and easy to operate, effectively improves the sealing of the vacuum furnace body 1, and can reduce the number of replacement times of the sealing ring 10, wherein the sealing ring 10 adopts a fluororubber ring.

[0020] like Figure 1 and Figure 2 As shown, support frames 2 are fixedly connected to both sides of the lower end of the vacuum furnace body 1, and one side of the two support frames 2 is fixedly connected to a reinforcing rib 3, and one side of the two reinforcing ribs 3 is fixedly connected to one side of the vacuum furnace body 1. Through the structural design of the reinforcing ribs 3, the strength between the vacuum furnace body 1 and the support frames 2 can be improved.

[0021] like Figure 1 As shown, a rotating handle 5 is fixedly connected to one side of the sealing cover 4. The structural design of the rotating handle 5 makes it convenient for workers to rotate the sealing cover 4.

[0022] like Figure 1 - Figure 4 As shown, a plurality of U-shaped brackets 7 are fixedly connected to the other side of the outer surface of the vacuum furnace body 1, and the inner walls of the plurality of U-shaped brackets 7 are rotatably connected to the rotating blocks 12, and the inner walls of the plurality of rotating blocks 12 are threadedly connected to the threaded rods 13, and one side of the outer surfaces of the plurality of threaded rods 13 are fixedly connected to the fixing rings 14, and one side of the outer surface of the sealing cover 4 is fixedly connected to the plurality of U-shaped brackets 28, and one side of the plurality of fixing rings 14 is respectively engaged with one side of the plurality of U-shaped brackets 28. When the sealing cover 4 is closed, the threaded rod 13 on the U-shaped bracket 17 is rotated to rotate the threaded rod 13 so that the threaded rod 13 moves along the inner thread groove of the rotating block 12, and the other threaded rods 13 are operated in the same way, so that one side of the fixing ring 14 is fitted with one side of the U-shaped bracket 28, thereby tightly fitting the sealing cover 4 to the vacuum furnace body 1, reducing the gap between the sealing cover 4 and the vacuum furnace body 1, and improving the sealing effect of the vacuum furnace body 1.

[0023] like Figure 3As shown, one end of each of the threaded rods 13 is fixedly connected to a rotating disk 15 . The structural design of the rotating disk 15 makes it convenient for the staff to hold the rotating disk 15 and rotate the threaded rods 13 , thereby reducing the gap between the vacuum furnace body 1 and the sealing cover 4 .

[0024] The utility model provides a high sealing device for a vacuum furnace, and the specific working principle is as follows:

[0025] When using a vacuum furnace, the processed material is first added into the vacuum furnace body 1, and the worker rotates the sealing cover 4 to close the vacuum furnace body 1. One side of multiple sealing rings 10 respectively enters the interior of multiple sealing grooves 9, and the outer surface of the sealing disk 11 is engaged with one side of the inner wall of the vacuum furnace body 1, thereby forming a labyrinth seal in the connecting gap between the vacuum furnace body 1 and the sealing cover 4. The threaded rod 13 on the rotating U-shaped bracket 1 7 is rotated and rotated into the U-shaped bracket 2 8. The rotating threaded rod 13 is rotated to move the threaded rod 13 along the threaded groove in the rotating block 12. The other threaded rods 13 are operated in the same way, so that one side of the fixing ring 14 is fitted with one side of the U-shaped bracket 2 8, thereby fitting the sealing cover 4 tightly to the vacuum furnace body 1. The vacuum furnace body 1 is then opened to process the material in the vacuum furnace body 1.

[0026] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vacuum furnace high sealing device, comprising a vacuum furnace body (1), characterized in that: A rotating frame (6) is fixedly connected to one side of the vacuum furnace body (1), a sealing cover (4) is rotatably connected to one side of the rotating frame (6), a sealing disk (11) is fixedly connected to the middle of one side of the sealing cover (4), a plurality of sealing rings (10) are fixedly connected to the edge of one side of the vacuum furnace body (1), a plurality of sealing grooves (9) are opened at one end of the vacuum furnace body (1), and the inner walls of the plurality of sealing grooves (9) are respectively slidably engaged with the outer surfaces of the plurality of sealing rings (10).

2. A vacuum furnace high sealing device according to claim 1, characterized in that: Both sides of the lower end of the vacuum furnace body (1) are fixedly connected to support frames (2), one side of the two support frames (2) is fixedly connected to reinforcing ribs (3), and one side of the two reinforcing ribs (3) is fixedly connected to one side of the vacuum furnace body (1).

3. The high sealing device for a vacuum furnace according to claim 1, characterized in that: A rotating handle (5) is fixedly connected to one side of the sealing cover (4).

4. The high sealing device for a vacuum furnace according to claim 1, characterized in that: A plurality of U-shaped brackets (7) are fixedly connected to the other side of the outer surface of the vacuum furnace body (1), the inner walls of the plurality of U-shaped brackets (7) are rotatably connected to rotating blocks (12), the inner walls of the plurality of rotating blocks (12) are threadedly connected to threaded rods (13), and one side of the outer surfaces of the plurality of threaded rods (13) are fixedly connected to fixing rings (14). A plurality of U-shaped brackets (8) are fixedly connected to one side of the outer surface of the sealing cover (4), and one side of the plurality of fixing rings (14) is respectively clamped with one side of the plurality of U-shaped brackets (8).

5. The high sealing device for a vacuum furnace according to claim 4, characterized in that: One end of each of the plurality of threaded rods (13) is fixedly connected to a rotating disk (15).

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