A new type of annealing furnace door sealing device

Abstract

The utility model discloses a novel annealing furnace door sealing device relates to annealing furnace door technical field, in view of the poor sealing effect of current annealing furnace door sealing device, and the problem of easy wear, high maintenance cost, present and propose the following technical scheme, it includes furnace door body, and the furnace door body below side surface is installed with telescopic support frame through long bolt, and the furnace door body side surface is located the top of support frame and is provided with the mounting frame, and one end mounting frame side surface is provided with detachable sealing ring, and the other end mounting frame side surface is provided with first door frame, second door frame, and the first door frame with second door frame inside is provided with sealing mechanism, and the first door frame with second door frame outside both sides are provided with adjustable limit block, and the second door frame outside is provided with fastening plate, and the fastening plate inboard is provided with the pressing mechanism, the utility model solves the problem of traditional sealing device, effectively improves the sealing effect, reduced the wear rate and simplified maintenance process.

Description

Technical Field

[0001] This utility model relates to the field of annealing furnace door technology, and in particular to a novel annealing furnace door sealing device. Background Technology

[0002] In metal heat treatment processes, annealing furnaces play a crucial role. By controlling the heating and cooling processes, they alter the internal structure and properties of materials to meet specific mechanical and physical requirements. The sealing device of the annealing furnace door is a key component to ensure uniform temperature inside the furnace, prevent heat loss, and protect the working environment. In recent years, with the continuous advancement of industrial technology, a new type of annealing furnace door sealing device has emerged, aiming to improve sealing performance and working efficiency. However, it has some shortcomings in the initial application stage.

[0003] Traditional annealing furnace door sealing devices mostly use simple elastic materials for sealing. After long-term use, the elastic materials are prone to aging and deformation, resulting in an increase in the sealing gap. This leads to heat leakage from the furnace, affecting the annealing effect and energy consumption. Secondly, because the annealing furnace door needs to be opened and closed frequently during operation, the elastic seals in the traditional sealing device rub against the furnace door and furnace body frequently, resulting in severe wear of the seals. This not only shortens the service life of the seals but also increases the frequency of replacement and maintenance, thus increasing production costs. Utility Model Content

[0004] This utility model proposes a novel sealing device for annealing furnace doors, which solves the problems of poor sealing effect, easy wear, and high maintenance costs of existing annealing furnace door sealing devices.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A novel annealing furnace door sealing device includes a furnace door body. A telescopic support frame is installed on the lower side of the furnace door body via long bolts. An installation frame is provided on the side of the furnace door body above the support frame. A detachable sealing ring is provided on one side of the installation frame, and a first door frame and a second door frame are provided on the other side of the installation frame. A sealing mechanism is provided inside the first door frame and the second door frame. Adjustable limiting blocks are provided on both sides of the outer side of the first door frame and the second door frame. A fastening plate is provided on the outer side of the second door frame, and a pressing mechanism is provided on the inner side of the fastening plate.

[0007] Preferably, the mounting frame has an internal mounting groove on its side, and a sealing ring is installed inside the mounting groove by screws.

[0008] Preferably, the outer side of the mounting groove is provided with multiple sets of snap-fit ​​holes, and the outer side of the sealing ring is provided with a snap-fit ​​plate, and the side of the snap-fit ​​plate is provided with snap-fit ​​blocks that match the snap-fit ​​holes for movable snap-fit.

[0009] Preferably, the sealing mechanism includes a first connecting block, a second connecting block, a first movable groove, a second movable groove, a first sealing plate, a second sealing plate, and a sealing gasket. The first connecting block is provided on the side of the mounting frame, and a first movable groove matching the first connecting block is provided inside the side of the first door frame at one end for movable connection.

[0010] Preferably, a second connecting block is provided on the side of the first door frame at the other end, and a second movable groove matching the second connecting block is provided inside the side of the second door frame for movable connection. A first sealing plate and a second sealing plate are respectively provided on the top of the first connecting block and the side of the second door frame, and sealing gaskets are provided on both sides of the first sealing plate and the second sealing plate.

[0011] Preferably, both sides of the furnace door body are provided with protrusions, and the protrusions and the interior of the furnace door body are provided with movable holes that match the limiting block. The fastening plate is connected to the limiting block by short bolts.

[0012] Preferably, the clamping mechanism includes an electric cylinder and a synchronization controller, and multiple sets of electric cylinders are fixedly connected to the side of the furnace door body. The movable end of the electric cylinder is connected to a fastening plate, and a synchronization controller is provided on the top of the furnace door body. The synchronization controller is connected in series with multiple sets of electric cylinders.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This novel annealing furnace door sealing device features a pressing mechanism on the inner side of the fastening plate. This pressing mechanism uses the mechanical force of an electric cylinder to tightly adhere the sealing plate to the outer side of the furnace door, forming an effective sealing barrier. Simultaneously, the pressing mechanism can adjust the pressure according to actual needs, ensuring an ideal sealing effect under different operating conditions. Furthermore, the use of a sealing ring, under the mechanical force of the electric cylinder, causes the sealing ring on the side of the mounting frame to deform under pressure, tightly adhering to the furnace door surface, further forming an effective sealing barrier and significantly improving the sealing effect.

[0015] 2. To reduce maintenance costs and improve maintenance efficiency, a detachable sealing ring design is adopted. The sealing ring is installed in the mounting groove with screws, and the snap plate is snapped onto the outside of the mounting groove through the snap-fit ​​hole and snap-fit ​​block. This makes the replacement of the easily worn sealing ring simple and quick, and can be completed without disassembling a large number of parts, effectively reducing maintenance costs. In addition, the detachable sealing ring also facilitates regular inspection and maintenance, timely detection and handling of potential problems, and extension of the service life of the sealing device. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the structure of this utility model from another perspective.

[0018] Figure 3 This is a schematic diagram of the exploded structure of this utility model.

[0019] Figure 4 This is an exploded structural diagram of the sealing mechanism of this utility model.

[0020] Figure 5 For the present utility model Figure 4 Enlarged view of point A in the middle.

[0021] Figure 6 This is a schematic diagram of the furnace door body and the movable hole structure of this utility model.

[0022] The following are the labels in the diagram: 1. Furnace door body; 2. Long bolt; 3. Support frame; 4. Mounting frame; 5. Sealing ring; 6. First door frame; 7. Second door frame; 8. Limiting block; 9. Fastening plate; 10. Mounting groove; 11. Screw; 12. Snap-fit ​​hole; 13. Clip plate; 14. Snap-fit ​​block; 15. First connecting block; 16. Second connecting block; 17. First movable groove; 18. Second movable groove; 19. First sealing plate; 20. Second sealing plate; 21. Sealing gasket; 22. Boss; 23. Movable hole; 24. Short bolt; 25. Electric cylinder; 26. Synchronous controller. 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 of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0024] Example 1

[0025] Reference Figures 1-6 This utility model provides a technical solution: a novel annealing furnace door sealing device, including a furnace door body 1, a telescopic support frame 3 installed on the lower side of the furnace door body 1 by long bolts 2, and an installation frame 4 provided on the side of the furnace door body 1 above the support frame 3. A detachable sealing ring 5 is provided on the side of one end of the installation frame 4, and a first door frame 6 and a second door frame 7 are provided on the side of the other end of the installation frame 4. Adjustable limiting blocks 8 are provided on the outer sides of the first door frame 6 and the second door frame 7.

[0026] Reference Figure 5The mounting frame 4 has a mounting groove 10 inside its side. A sealing ring 5 is installed inside the mounting groove 10 by screws 11. Multiple sets of snap-fit ​​holes 12 are provided on the outside of the mounting groove 10, and a snap-fit ​​plate 13 is provided on the outside of the sealing ring 5. A snap-fit ​​block 14 matching the snap-fit ​​hole 12 is provided on the side of the snap-fit ​​plate 13, and the snap-fit ​​plate 13 is movably snapped into the snap-fit ​​hole 12 by the snap-fit ​​block 14.

[0027] Reference Figure 3 , Figure 6 Both sides of the furnace door body 1 are provided with protrusions 22, and the protrusions 22 and the furnace door body 1 are provided with movable holes 23 that match the limiting block 8. The fastening plate 9 is connected to the limiting block 8 by short bolts 24.

[0028] In specific implementation, a novel annealing furnace door sealing device, when adjusted, first pulls the clamping plate 13 outward forcefully, causing the clamping block 14 on the side of the clamping plate 13 to disengage from the clamping hole 12. Then, screws 11 are turned to remove the sealing ring 5 that needs to be replaced from the mounting groove 10. Next, similarly, the new sealing ring 5 is installed in the mounting groove 10 through screws 11. Immediately afterwards, the clamping plate 13 is clamped to the outside of the mounting groove 10 through the clamping hole 12 and the clamping block 14, making the replacement of the easily worn sealing ring 5 simple and quick, effectively reducing maintenance costs and ensuring the sealing performance of the sealing device. Then, the limiting block 8 in the movable hole 23 inside the boss 22 is connected to the fastening plate 9 through short bolts 24, which facilitates the subsequent limiting installation of the door frame and the sealing plate. Through the above operations, the removable sealing ring 5 is convenient for regular inspection and maintenance, extending the service life of the sealing device.

[0029] Example 2

[0030] Reference Figure 1 , Figure 2 , Figure 4 This embodiment is an optimization based on Embodiment 1. A sealing mechanism is provided inside the first door frame 6 and the second door frame 7. The sealing mechanism includes a first connecting block 15, a second connecting block 16, a first movable groove 17, a second movable groove 18, a first sealing plate 19, a second sealing plate 20, and a sealing gasket 21. The first connecting block 15 is provided on the side of the mounting frame 4. A first movable groove 17 matching the first connecting block 15 is provided inside the side of one end of the first door frame 6, forming a movable connection. A second connecting block 16 is provided on the side of the other end of the first door frame 6, and a second movable groove 18 matching the second connecting block 16 is provided inside the side of the second door frame 7, forming a movable connection. The tops of the first connecting block 15 and the second connecting block 16 are respectively provided with a first sealing plate 19 and a second sealing plate 20 on the sides of the first door frame 6 and the second door frame 7. Sealing gaskets 21 are provided on both sides of the first sealing plate 19 and the second sealing plate 20, further ensuring the sealing performance between the sealing plate and the door frame.

[0031] Reference Figure 3 A fastening plate 9 is provided on the outer side of the second door frame 7, and a pressing mechanism is provided on the inner side of the fastening plate 9. The pressing mechanism includes an electric cylinder 25 and a synchronous controller 26. Multiple sets of electric cylinders 25 are fixedly connected to the side of the furnace door body 1. The movable end of the electric cylinder 25 is connected to the fastening plate 9. A synchronous controller 26 is provided on the top of the furnace door body 1. The synchronous controller 26 can be a synchronous controller of the SLC08C22A series. The synchronous controller 26 ensures the synchronous movement of multiple electric cylinders 25 through real-time monitoring and precise adjustment. The synchronous controller 26 is connected in series with multiple sets of electric cylinders 25.

[0032] In specific implementation, a novel annealing furnace door sealing device, when sealing the annealing furnace door, firstly, the mounting frame 4, the first door frame 6, and the second door frame 7 are limited by the limiting block 8, facilitating their placement above the telescopic support frame 3. Next, a first sealing plate 19 and a second sealing plate 20 with sealing gaskets 21 are respectively placed on top of the first connecting block 15 and the second connecting block 16 between the mounting frame 4, the first door frame 6, and the second door frame 7. Then, the electric cylinder 25 is activated. Because the synchronous controller 26 is connected in series with multiple sets of electric cylinders 25, the electric cylinders 25, under the control of the synchronous controller 26, synchronously control the retraction of the fastening plate 9 at their moving ends. At this time, the fastening... During the contraction of plate 9, the second connecting block 16 moves along the second movable groove 18 inside the side of the second door frame 7, pressing the second sealing plate 20 towards the furnace door body 1. At the same time, the first connecting block 15 also moves along the first movable groove 17 inside the side of the first door frame 6, pressing the first sealing plate 19. As the fastening plate 9 continues to contract, the mechanical force of the electric cylinder 25 tightly adheres the first sealing plate 19 and the second sealing plate 20 to the outside of the furnace door through the mounting frame 4, the first door frame 6, and the second door frame 7, forming an effective sealing barrier. Meanwhile, the sealing ring 5 on the side of the mounting frame 4 is deformed under pressure and tightly adheres to the surface of the furnace door. Through the above operations, the sealing effect is further improved.

[0033] The above are merely preferred embodiments of this utility model, but the scope of protection of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in this utility model, based on the technical solution and inventive concept of this utility model, should be included within the scope of protection of this utility model.

Claims

1. A novel annealing furnace door sealing device, comprising a furnace door body (1), characterized in that, The furnace door body (1) is mounted with a telescopic support frame (3) on the lower side by long bolts (2), and the furnace door body (1) is provided with an installation frame (4) above the support frame (3). One end of the installation frame (4) is provided with a detachable sealing ring (5), and the other end of the installation frame (4) is provided with a first door frame (6) and a second door frame (7). The first door frame (6) and the second door frame (7) are provided with a sealing mechanism inside, and the first door frame (6) and the second door frame (7) are provided with adjustable limit blocks (8) on both sides outside. The second door frame (7) is provided with a fastening plate (9) on the outside, and the fastening plate (9) is provided with a pressing mechanism on the inside.

2. The novel annealing furnace door sealing device according to claim 1, characterized in that, The mounting frame (4) has a mounting groove (10) inside its side, and a sealing ring (5) is installed inside the mounting groove (10) by screws (11).

3. The novel annealing furnace door sealing device according to claim 2, characterized in that, The mounting groove (10) is provided with multiple sets of snap-fit ​​holes (12) on the outside, and the sealing ring (5) is provided with a snap-fit ​​plate (13) on the outside. The snap-fit ​​plate (13) is provided with snap-fit ​​blocks (14) that match the snap-fit ​​holes (12) and are in movable snap-fit.

4. The novel annealing furnace door sealing device according to claim 1, characterized in that, The sealing mechanism includes a first connecting block (15), a second connecting block (16), a first movable groove (17), a second movable groove (18), a first sealing plate (19), a second sealing plate (20), and a sealing gasket (21). The first connecting block (15) is provided on the side of the mounting frame (4), and a first movable groove (17) matching the first connecting block (15) is provided inside the side of the first door frame (6) at one end, forming a movable connection.

5. The novel annealing furnace door sealing device according to claim 4, characterized in that, The other end of the first door frame (6) is provided with a second connecting block (16) on the side, and the second door frame (7) is provided with a second movable groove (18) that matches the second connecting block (16) in a movable connection. The top of the first connecting block (15) and the second connecting block (16) are respectively provided with a first sealing plate (19) and a second sealing plate (20) on the side of the first door frame (6) and the second door frame (7), and sealing gaskets (21) are provided on both sides of the first sealing plate (19) and the second sealing plate (20).

6. The novel annealing furnace door sealing device according to claim 1, characterized in that, Both sides of the furnace door body (1) are provided with bosses (22), and the bosses (22) and the furnace door body (1) are provided with movable holes (23) that match the limiting block (8). The fastening plate (9) is connected to the limiting block (8) by short bolts (24).

7. The novel annealing furnace door sealing device according to claim 1, characterized in that, The clamping mechanism includes an electric cylinder (25) and a synchronous controller (26). Multiple sets of electric cylinders (25) are fixedly connected to the side of the furnace door body (1). The movable end of the electric cylinder (25) is connected to the fastening plate (9). A synchronous controller (26) is provided on the top of the furnace door body (1). The synchronous controller (26) is connected in series with multiple sets of electric cylinders (25).

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