Vacuum furnace for regenerating and refining steel

By designing a combination structure of protective cover and protective plate for the vacuum furnace, the problem of damage to the vacuum furnace due to collision during the steel recycling and refining process is solved, achieving all-round protection for the vacuum furnace and improving the safety and service life of the equipment.

CN223837469UActive Publication Date: 2026-01-27JINZHOU YUANTENG ELECTRIC FURNACE TECH CO LTD
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Patent Information

Application Number
CN202520100903.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2026-01-27
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

Existing vacuum furnaces lack effective protective measures during the steel recycling and refining process, which may lead to collisions between steel and the vacuum furnace during transportation, causing damage and safety hazards.

Method used

A vacuum furnace including first and second protective components is designed. The vacuum furnace body is protected in all directions by a protective cover and a protective plate. The protective cover and protective plate are fixed by a rotating rod, a pin and a limiting rod, etc., to ensure the integrity of the outer wall and door of the vacuum furnace.

Benefits of technology

This effectively prevents the vacuum furnace from being damaged by collisions during steel transportation, thus improving the safety and service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of advanced manufacturing and automation, and discloses a vacuum furnace for regenerating and refining steel, which comprises a bottom plate, the vacuum furnace body is fixedly connected to the upper surface of the bottom plate; the first protection assembly is arranged on the outer wall of the vacuum furnace body; the second protection assembly is arranged on the upper surface of the bottom plate; the first protection assembly comprises a fixing ring which is fixedly connected to the outer wall of the vacuum furnace body. By rotating a protection plate, the protection plate is attached to the outer wall of the vacuum furnace body, then a second fixing block slides into the inner wall of a sliding hole, a sliding rod drives a connecting rod to slide, one end of the connecting rod slides into the inner wall of a sliding groove, the connecting rod fixes the protection plate at the moment, the protection plate is prevented from rotating, and then one end of a limiting rod slides into the inner wall of a connecting hole; and the sliding rod is fixed, the sliding rod and the connecting rod are prevented from moving, protection on the outer wall of the vacuum furnace body is completed, and the effect of protecting the outer wall of the vacuum furnace body is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of advanced manufacturing and automation technology, specifically a vacuum furnace for steel recycling and refining. Background Technology

[0002] A vacuum furnace is an industrial heating device that operates in a near-vacuum environment. It reduces the internal pressure of the furnace cavity through a vacuum system, creating a vacuum environment to prevent material oxidation and decarburization, and to improve heating efficiency and temperature control accuracy. Vacuum furnaces have a wide temperature range, reaching up to several thousand degrees Celsius, and are suitable for various processes such as metal heat treatment (e.g., quenching, tempering, annealing), vacuum brazing, vacuum sintering, and vacuum melting. They also have advantages such as high degree of mechatronics integration, low energy consumption, and no environmental pollution.

[0003] In the process of steel recycling and refining, vacuum furnaces are required to heat the steel. However, most existing vacuum furnaces are installed inside the factory and lack protective measures. As a result, during the process of transporting steel into the vacuum furnace, the steel or other objects may collide with the vacuum furnace, causing damage to the furnace and resulting in casualties. Therefore, it is necessary to propose a vacuum furnace for steel recycling and refining. Utility Model Content

[0004] The purpose of this invention is to provide a vacuum furnace for steel recycling and refining, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a vacuum furnace for steel recycling and refining, comprising a base plate; a vacuum furnace body fixedly connected to the upper surface of the base plate; a first protective component disposed on the outer wall of the vacuum furnace body; and a second protective component disposed on the upper surface of the base plate; wherein the first protective component comprises: a fixing ring fixedly connected to the outer wall of the vacuum furnace body; a fixing block one fixedly connected to one side of the fixing ring; a connecting block disposed on one side of the fixing block one, the connecting block being rotatably connected to the fixing block one via a bearing seat; and a protective cover disposed on the other side of the connecting block.

[0006] Preferably, the protective cover is fixedly connected to the other side of the connecting block, the protective cover is adapted to the fixing ring, a handle is provided on one side of the protective cover, the handle is fixedly connected to one side of the protective cover, and a fixing block two is provided on the other side of the protective cover.

[0007] Preferably, the second fixing block is fixedly connected to the other side of the protective cover, and a rotating rod is provided on one side of the second fixing block. The rotating rod is rotatably connected to the second fixing block through a bearing seat. A fixing frame is provided on the outer wall of the fixing ring, and the fixing frame is fixedly connected to the outer wall of the fixing ring.

[0008] Preferably, the other end of the rotating rod is slidably connected to the inner wall of the fixed frame, the upper surface of the fixed frame is provided with a pin hole, the inner wall of the pin hole is provided with a pin, the pin is slidably connected to the inner wall of the pin hole, and the pin is adapted to the rotating rod.

[0009] Preferably, the second protective component includes: a fixing plate, fixedly connected to the upper surface of the base plate; a support block, disposed on the upper surface of the fixing plate, the support block being adapted to the vacuum furnace body; and a fixing block three, disposed on the upper surface of the fixing plate.

[0010] Preferably, the fixing block three is fixedly connected to the upper surface of the fixing plate, a protective plate is provided on one side of the fixing block three, the protective plate is rotatably connected to the fixing block three through a bearing seat, a sliding groove is provided on one side of the protective plate, and a fixing rod is provided on the outer wall of the vacuum furnace body.

[0011] Preferably, the fixing rod is fixedly connected to the outer wall of the vacuum furnace body, a sliding hole is provided on one side of the fixing rod, a sliding rod is provided on the inner wall of the sliding hole, the sliding rod is slidably connected to the inner wall of the sliding hole, and a connecting hole is provided on the upper surface of the sliding rod.

[0012] Preferably, a connecting rod is provided at one end of the fixed rod, the connecting rod is fixedly connected to one end of the sliding rod, one end of the connecting rod is slidably connected to the inner wall of the sliding groove, and a limiting rod is provided on the inner wall of the connecting hole, the limiting rod being slidably connected to the inner wall of the connecting hole.

[0013] This invention provides a vacuum furnace for steel recycling and refining. It has the following beneficial effects:

[0014] (1) This utility model rotates the protective plate so that it fits against the outer wall of the vacuum furnace body. Then, the fixing block 2 is slid into the inner wall of the sliding hole. The sliding rod drives the connecting rod to slide, so that one end of the connecting rod slides into the inner wall of the sliding groove. At this time, the connecting rod will fix the protective plate to prevent the protective plate from rotating. Then, one end of the limiting rod is slid into the inner wall of the connecting hole to fix the sliding rod and prevent the sliding rod and the connecting rod from moving, thus completing the protection of the outer wall of the vacuum furnace body and achieving the effect of protecting the outer wall of the vacuum furnace body.

[0015] (2) By rotating the protective cover, the protective cover drives the connecting block to rotate on one side of the fixed block, so that the protective cover rotates to the outer wall of the fixed ring, thus protecting the door of the vacuum furnace body. By rotating the rotating rod, the other end of the rotating rod slides into the inner wall of the fixed frame. At this time, the pin can be inserted into the inner wall of the pin hole, so that the fixed block fixes the rotating rod, preventing the protective cover from rotating, thus achieving the effect of protecting the door of the vacuum furnace body. Attached Figure Description

[0016] Figure 1 This is a perspective view of the present utility model;

[0017] Figure 2 This is a top view of the present invention;

[0018] Figure 3 This is a view of the first protective component of this utility model;

[0019] Figure 4 This is a view of the second protective component of this utility model.

[0020] In the diagram: 1. Base plate; 2. Vacuum furnace body; 3. First protective component; 4. Second protective component.

[0021] 311 Fixing ring, 312 Fixing block one, 313 Connecting block, 314 Protective cover, 315 Handle, 316 Fixing block two, 317 Rotating rod, 318 Fixing frame, 319 Pin;

[0022] 411 Fixed plate, 412 Support block, 413 Fixed block three, 414 Protective plate, 415 Fixed rod, 416 Sliding rod, 417 Connecting rod, 418 Limiting rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0025] Example 1:

[0026] A preferred embodiment of the vacuum furnace for steel recycling and refining provided by this utility model is, for example... Figure 1-4The following describes a vacuum furnace for steel recycling and refining, comprising: a base plate 1; a vacuum furnace body 2 fixedly connected to the upper surface of the base plate 1; a first protective assembly 3 disposed on the outer wall of the vacuum furnace body 2; and a second protective assembly 4 disposed on the upper surface of the base plate 1. The first protective assembly 3 includes: a fixing ring 311 fixedly connected to the outer wall of the vacuum furnace body 2; a fixing block 312 fixedly connected to one side of the fixing ring 311; a connecting block 313 disposed on one side of the fixing block 312, the connecting block 313 being rotatably connected to the fixing block 312 via a bearing seat; and a protective cover 314 disposed on the other side of the connecting block 313. The protective cover 314 is fixedly connected to the other side of the connecting block 313 and is adapted to the fixing ring 311 to prevent... A handle 315 is provided on one side of the protective cover 314, and the handle 315 is fixedly connected to one side of the protective cover 314. A second fixing block 316 is provided on the other side of the protective cover 314. A rotating rod 317 is provided on one side of the second fixing block 316. The rotating rod 317 is rotatably connected to the second fixing block 316 through a bearing seat. A fixing frame 318 is provided on the outer wall of the fixing ring 311. The fixing frame 318 is fixedly connected to the outer wall of the fixing ring 311. The other end of the rotating rod 317 is slidably connected to the inner wall of the fixing frame 318. A pin hole is opened on the upper surface of the fixing frame 318. A pin 319 is provided on the inner wall of the pin hole. The pin 319 is slidably connected to the inner wall of the pin hole. The pin 319 is adapted to the rotating rod 317.

[0027] Furthermore, in this embodiment, by rotating the protective cover 314, the protective cover 314 drives the connecting block 313 to rotate on one side of the fixing block 312, so that the protective cover 314 rotates to the outer wall of the fixing ring 311 to protect the door of the vacuum furnace body 2. By rotating the rotating rod 317, the other end of the rotating rod 317 slides into the inner wall of the fixing frame 318. At this time, the pin 319 can be inserted into the inner wall of the pin hole, so that the fixing block 316 fixes the rotating rod 317 to prevent the protective cover 314 from rotating.

[0028] Example 2:

[0029] Based on Embodiment 1, a preferred embodiment of the vacuum furnace for steel recycling and refining provided by this utility model is, for example... Figure 1-4As shown: The second protective component 4 includes: a fixed plate 411, fixedly connected to the upper surface of the base plate 1; a support block 412, disposed on the upper surface of the fixed plate 411, the support block 412 being adapted to the vacuum furnace body 2; a third fixed block 413, disposed on the upper surface of the fixed plate 411; the third fixed block 413 is fixedly connected to the upper surface of the fixed plate 411, a protective plate 414 is provided on one side of the third fixed block 413, the protective plate 414 is rotatably connected to the third fixed block 413 via a bearing seat, a sliding groove is provided on one side of the protective plate 414, and the outer wall of the vacuum furnace body 2 is provided with... A fixing rod 415 is provided; the fixing rod 415 is fixedly connected to the outer wall of the vacuum furnace body 2, a sliding hole is provided on one side of the fixing rod 415, a sliding rod 416 is provided on the inner wall of the sliding hole, the sliding rod 416 is slidably connected to the inner wall of the sliding hole, a connecting hole is provided on the upper surface of the sliding rod 416; a connecting rod 417 is provided at one end of the fixing rod 415, the connecting rod 417 is fixedly connected to one end of the sliding rod 416, one end of the connecting rod 417 is slidably connected to the inner wall of the sliding groove, a limiting rod 418 is provided on the inner wall of the connecting hole, the limiting rod 418 is slidably connected to the inner wall of the connecting hole;

[0030] Furthermore, in this embodiment, by rotating the protective plate 414, the protective plate 414 is made to fit against the outer wall of the vacuum furnace body 2. Then, the fixing block 316 is slid into the inner wall of the sliding hole. The sliding rod 416 drives the connecting rod 417 to slide, so that one end of the connecting rod 417 slides into the inner wall of the sliding groove. At this time, the connecting rod 417 will fix the protective plate 414 to prevent the protective plate 414 from rotating. Then, one end of the limiting rod 418 is slid into the inner wall of the connecting hole to fix the sliding rod 416 and prevent the sliding rod 416 and the connecting rod 417 from moving, thus completing the protection of the outer wall of the vacuum furnace body 2.

[0031] In use, first rotate the protective plate 414 to make it fit against the outer wall of the vacuum furnace body 2. Then, slide the fixing block 316 into the inner wall of the sliding hole. The sliding rod 416 drives the connecting rod 417 to slide, so that one end of the connecting rod 417 slides into the inner wall of the sliding groove. At this time, the connecting rod 417 will fix the protective plate 414 to prevent it from rotating. Then, slide one end of the limiting rod 418 into the inner wall of the connecting hole to fix the sliding rod 416 and prevent the sliding rod 416 and the connecting rod 417 from moving. After completing the protection of the outer wall of the vacuum furnace body 2, the protective cover 314 can also be rotated. The protective cover 314 drives the connecting block 313 to rotate on one side of the fixed block 312, so that the protective cover 314 rotates to the outer wall of the fixed ring 311 to protect the door of the vacuum furnace body 2. Rotate the rotating rod 317 so that the other end of the rotating rod 317 slides into the inner wall of the fixed frame 318. At this time, the pin 319 can be inserted into the inner wall of the pin hole, so that the fixed block 316 fixes the rotating rod 317 to prevent the protective cover 314 from rotating.

[0032] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. 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 vacuum furnace for refining recycled steel, characterized in that, Includes a base plate (1); Vacuum furnace body (2) is fixedly connected to the upper surface of the base plate (1); The first protective component (3) is disposed on the outer wall of the vacuum furnace body (2); The second protective component (4) is disposed on the upper surface of the base plate (1); The first protective component (3) includes: A fixing ring (311) is fixedly connected to the outer wall of the vacuum furnace body (2); Fixed block 1 (312) is fixedly connected to one side of fixed ring (311); A connecting block (313) is disposed on one side of a fixed block (312), and the connecting block (313) is rotatably connected to the fixed block (312) through a bearing seat; A protective cover (314) is provided on the other side of the connecting block (313).

2. The vacuum furnace for steel recycling and refining according to claim 1, characterized in that: The protective cover (314) is fixedly connected to the other side of the connecting block (313). The protective cover (314) is adapted to the fixing ring (311). A handle (315) is provided on one side of the protective cover (314). The handle (315) is fixedly connected to one side of the protective cover (314). A fixing block two (316) is provided on the other side of the protective cover (314).

3. A vacuum furnace for steel recycling and refining according to claim 2, characterized in that: The second fixing block (316) is fixedly connected to the other side of the protective cover (314). A rotating rod (317) is provided on one side of the second fixing block (316). The rotating rod (317) is rotatably connected to the second fixing block (316) through a bearing seat. A fixing frame (318) is provided on the outer wall of the fixing ring (311). The fixing frame (318) is fixedly connected to the outer wall of the fixing ring (311).

4. A vacuum furnace for steel recycling and refining according to claim 3, characterized in that: The other end of the rotating rod (317) is slidably connected to the inner wall of the fixed frame (318). The upper surface of the fixed frame (318) is provided with a pin hole, and a pin (319) is provided on the inner wall of the pin hole. The pin (319) is slidably connected to the inner wall of the pin hole, and the pin (319) is adapted to the rotating rod (317).

5. A vacuum furnace for steel recycling and refining according to claim 1, characterized in that: The second protective component (4) includes: A fixing plate (411) is fixedly connected to the upper surface of the base plate (1); A support block (412) is provided on the upper surface of the fixing plate (411), and the support block (412) is adapted to the vacuum furnace body (2); Fixing block three (413) is set on the upper surface of fixing plate (411).

6. A vacuum furnace for steel recycling and refining according to claim 5, characterized in that: The fixing block three (413) is fixedly connected to the upper surface of the fixing plate (411). A protective plate (414) is provided on one side of the fixing block three (413). The protective plate (414) is rotatably connected to the fixing block three (413) through a bearing seat. A sliding groove is provided on one side of the protective plate (414). A fixing rod (415) is provided on the outer wall of the vacuum furnace body (2).

7. A vacuum furnace for steel recycling and refining according to claim 6, characterized in that: The fixing rod (415) is fixedly connected to the outer wall of the vacuum furnace body (2). A sliding hole is provided on one side of the fixing rod (415). A sliding rod (416) is provided on the inner wall of the sliding hole. The sliding rod (416) is slidably connected to the inner wall of the sliding hole. A connecting hole is provided on the upper surface of the sliding rod (416).

8. A vacuum furnace for steel recycling and refining according to claim 7, characterized in that: One end of the fixed rod (415) is provided with a connecting rod (417), which is fixedly connected to one end of the sliding rod (416). One end of the connecting rod (417) is slidably connected to the inner wall of the sliding groove. A limit rod (418) is provided on the inner wall of the connecting hole, which is slidably connected to the inner wall of the connecting hole.