A furnace door sealing structure of a car bottom furnace

Abstract

This utility model relates to the field of furnace door technology for car bottom furnaces, specifically a sealing structure for a car bottom furnace door. It includes a connecting frame, a flipping frame movably connected to the front of the connecting frame, a sealing component on the front of the flipping frame, and an installation component on the back of the connecting frame. The sealing component includes a control frame, which is fixedly connected to the front of the flipping frame. A lifting door is movably connected inside the control frame. This utility model, through its connecting frame, flipping frame, control frame, lifting door, lifting push rod, lifting seat, sealing groove, and sealing inner ring, enables the equipment to perform a more efficient and stable sealing operation on the car bottom furnace door. In actual use, the operator first seals the entire control frame on the front of the connecting frame via the flipping frame, thus sealing the furnace outlet of the car bottom furnace. Then, the lifting push rods on both sides of the control frame are activated.

Description

Technical Field

[0001] This utility model relates to the technical field of furnace doors for car bottom furnaces, specifically a sealing structure for a car bottom furnace door. Background Technology

[0002] A car-bottom furnace, also known as a bogie furnace, refers to an intermittent industrial furnace in which the furnace bottom is composed of movable bogies and materials are transported by a traction mechanism. This equipment is divided into two types: bogie fuel furnace and resistance furnace. It is suitable for heat treatment of materials such as large steel ingots and forgings. It has the characteristics of convenient loading and unloading, but it has the defects of poor heating uniformity and large heat loss.

[0003] For example, patent document CN 216815035 U discloses a furnace door sealing structure. The furnace door sealing structure includes a furnace; a frame installed on one outer wall of the furnace; a furnace door slidably installed on the top of the frame, with its bottom extending into the frame; two support plates, each fixedly installed on one side of the frame's outer wall; a cover plate slidably installed on the outer wall of one of the two support plates, with its bottom fixedly connected to the top of the furnace door; a rotating rod rotatably installed on the two support plates; and a motor fixedly installed on one side of the outer wall of any one of the support plates, with its output shaft fixedly connected to the rotating rod. The furnace door sealing structure provided by this utility model has the advantages of convenient use, avoiding wear, and improving forging quality.

[0004] However, when this structure is used for actual car bottom furnace door sealing, it cannot provide a more effective seal at the door opening and closing point, and the overall opening and closing efficiency is relatively low. At the same time, the equipment cannot be installed with a more suitable overall sealing and heat insulation, which cannot meet the daily use requirements. Therefore, it is urgent to design a car bottom furnace door sealing structure to solve the above problems. Utility Model Content

[0005] The purpose of this utility model is to provide a sealing structure for the furnace door of a car bottom furnace, so as to solve the problems mentioned in the background art that the existing structure cannot provide a more effective seal at the door opening and closing point when used for actual car bottom furnace door sealing, the overall opening and closing efficiency is relatively low, and the equipment cannot be installed with a more suitable overall sealing and heat insulation operation, thus failing to meet the needs of daily use.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a sealing structure for a car bottom furnace door, including a connecting frame, a flipping frame movably connected to the front of the connecting frame, a sealing component provided on the front of the flipping frame, and an installation component provided on the back of the connecting frame. The sealing assembly includes a control frame, the front of which is fixedly connected to the control frame, and a lifting door is movably connected inside the control frame. The mounting components include a mounting frame, and the mounting frame is fixedly connected to the back of the connecting frame.

[0007] Preferably, the outer surface of the mounting frame is fitted with an outer shrink cover, and the inner wall of the mounting frame is provided with an inner shrink cover.

[0008] Preferably, the inner walls of the outer shrink shroud and the inner shrink shroud are provided with heat insulation rings, and the four corners of the mounting frame are provided with fixing bolts.

[0009] Preferably, lifting push rods are fixedly connected to both sides of the control frame, and a lifting seat is fixedly connected to the top of the lifting push rods.

[0010] Preferably, the control frame has a sealing groove inside, and the inner wall of the sealing groove is provided with a sealing inner ring.

[0011] Preferably, the control frame is provided with a heat-resistant handle at the bottom front, and the connecting frame and the flipping frame are provided with a movable shaft at the top.

[0012] Preferably, a sealing ring is provided between the connecting frame and the flipping frame, and a locking seat is fixedly connected to the bottom end of the connecting frame.

[0013] Compared with the prior art, the beneficial effects of this utility model are: This car bottom furnace door sealing structure, through its connecting frame, tilting frame, control frame, lifting door, lifting push rod, lifting seat, sealing groove, and sealing inner ring, enables the equipment to perform a more efficient and stable sealing operation on the car bottom furnace door. In actual use, the operator first installs the entire control frame on the front of the connecting frame via the tilting frame, achieving a complete sealing operation at the car bottom furnace outlet. Then, by activating the lifting push rods on both sides of the control frame, the lifting seat at one end is quickly raised and lowered at the top of the control frame. The lifting seat then drives the lifting door connected at the bottom, achieving a rapid raising and lowering operation at the sealing groove inside the control frame, improving the overall efficiency of sealing and opening the car bottom furnace door. At the same time, the sealing inner ring on the inner wall of the sealing groove can fit snugly against the front of the lifting door, thus achieving a more stable sealing and opening operation of the car bottom furnace door, demonstrating the practicality of the equipment design.

[0014] The furnace door sealing structure of this car-bottom furnace, through the inclusion of a connecting frame, a flipping frame, a control frame, a mounting frame, an outer shrink shroud, an inner shrink shroud, a heat insulation ring, fixing bolts, a heat-resistant handle, a movable shaft, a sealing ring, and a locking seat, further enhances the overall usability of the equipment. During daily use, operators can install the connecting frame to the furnace door via the mounting frame on its back, securing it with fixing bolts at the four corners. The outer and inner shrink shrouds on the inner and outer walls of the mounting frame are then sealed to the furnace door through their respective internal heat insulation rings, preventing heat leakage from the furnace. Simultaneously, the movable shaft between the connecting frame and the flipping frame allows the flipping frame and control frame to unfold on the front of the connecting frame. These components are sealed together by a sealing ring and further secured with a locking seat, demonstrating the comprehensive design of the equipment. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the overall control framework structure of this utility model; Figure 3 This is a schematic diagram of the overall installation frame structure of this utility model; Figure 4 This utility model Figure 1 Enlarged schematic diagram of the structure at point A; Figure 5 This utility model Figure 1 Enlarged schematic diagram of the structure at point B.

[0016] In the diagram: 1. Connecting frame; 2. Flipping frame; 3. Control frame; 4. Lifting door; 5. Mounting frame; 6. Outer retraction cover; 7. Inner retraction cover; 8. Heat insulation ring cover; 9. Fixing bolt; 10. Lifting push rod; 11. Lifting seat; 12. Sealing groove; 13. Sealing inner ring; 14. Anti-scalding handle; 15. Movable shaft; 16. Sealing rubber ring; 17. Locking seat. Detailed Implementation

[0017] 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.

[0018] Please see Figure 1-5 One embodiment provided by this utility model: A sealing structure for a car bottom furnace door includes a connecting frame 1, a flip frame 2 movably connected to the front of the connecting frame 1, a sealing component on the front of the flip frame 2, an installation component on the back of the connecting frame 1, lifting push rods 10 fixedly connected to both sides of a control frame 3, a lifting seat 11 fixedly connected to the top of the lifting push rods 10, a sealing groove 12 inside the control frame 3, a sealing inner ring 13 on the inner wall of the sealing groove 12, a heat-resistant handle 14 on the front of the bottom end of the control frame 3, a movable shaft 15 at the top of the connecting frame 1 and the flip frame 2, a sealing rubber ring 16 between the connecting frame 1 and the flip frame 2, and a locking seat 17 fixedly connected to the bottom end of the connecting frame 1. The sealing inner ring 13 on the inner wall of the sealing groove 12 can fit snugly against the front of the lifting door 4, thereby achieving a more stable and sealed opening and closing operation of the car bottom furnace door.

[0019] The sealing assembly includes a control frame 3, which is fixedly connected to the front of the flip frame 2. A lifting door 4 is movably connected inside the control frame 3. The mounting assembly includes a mounting frame 5, which is fixedly connected to the back of the connecting frame 1. An outer shrinkage cover 6 is fitted on the outer surface of the mounting frame 5, and an inner shrinkage cover 7 is provided on the inner wall of the mounting frame 5. Heat insulation ring covers 8 are provided on the inner walls of the outer shrinkage cover 6 and the inner shrinkage cover 7. Fixing bolts 9 are provided at the four corners of the mounting frame 5. The connecting frame 1 is installed at the furnace door of the car bottom furnace through the mounting frame 5 on the back of the connecting frame 1. The fixing bolts 9 at the four corners of the mounting frame 5 are used for fixation. At this time, the outer shrinkage cover 6 and the inner shrinkage cover 7 on the inner and outer walls of the mounting frame 5 are sealed and heat-insulated with the furnace door through their respective internal heat insulation ring covers 8 to prevent the furnace temperature from leaking out.

[0020] Working Principle: During use, the operator first installs the control frame 3 onto the front of the connecting frame 1 by flipping the frame 2, thus sealing the outlet of the car bottom furnace. Then, by activating the lifting push rods 10 on both sides of the control frame 3, the lifting seat 11 at one end is rapidly raised and lowered at the top of the control frame 3. The lifting seat 11 then drives the lifting door 4 connected at the bottom, enabling rapid raising and lowering of the sealing groove 12 inside the control frame 3. This improves the overall efficiency of sealing the car bottom furnace door. Simultaneously, the inner sealing ring 13 of the sealing groove 12 fits snugly against the front of the lifting door 4, achieving a more stable seal on the car bottom furnace door. In daily use, the operator can install the connecting frame 1 to the furnace door of the car bottom furnace via the mounting frame 5 on the back of the connecting frame 1. The mounting frame 5 is fixed by the fixing bolts 9 at the four corners. At this time, the outer shrink cover 6 and inner shrink cover 7 of the inner and outer walls of the mounting frame 5 are sealed and insulated with the furnace door through their respective internal heat insulation ring covers 8 to prevent the furnace temperature from leaking out. At the same time, the movable shaft 15 between the connecting frame 1 and the flip frame 2 is used to flip the cover of the flip frame 2 and the control frame 3 on the front of the connecting frame 1. The two are sealed by the sealing rubber ring 16 and then sealed and fixed with the locking seat 17. The above is the entire working principle of this utility model.

[0021] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A sealing structure for a car bottom furnace door, comprising a connecting frame (1), characterized in that: The front of the connecting frame (1) is movably connected to the flip frame (2), the front of the flip frame (2) is provided with a sealing component, and the back of the connecting frame (1) is provided with an installation component. The sealing assembly includes a control frame (3), the front of which is fixedly connected to the control frame (3), and the inside of the control frame (3) is movably connected to a lifting door (4). The mounting components include a mounting frame (5), and the mounting frame (5) is fixedly connected to the back of the connecting frame (1).

2. The furnace door sealing structure of the car bottom furnace according to claim 1, characterized in that: The outer surface of the mounting frame (5) is fitted with an outer shrink cover (6), and the inner wall of the mounting frame (5) is provided with an inner shrink cover (7).

3. The furnace door sealing structure of the car bottom furnace according to claim 2, characterized in that: The inner walls of the outer shrink shroud (6) and the inner shrink shroud (7) are provided with heat insulation rings (8), and the four corners of the mounting frame (5) are provided with fixing bolts (9).

4. The furnace door sealing structure of the car bottom furnace according to claim 1, characterized in that: The control frame (3) is fixedly connected to both sides by lifting push rods (10), and the top of the lifting push rods (10) is fixedly connected to a lifting seat (11).

5. The furnace door sealing structure of the car bottom furnace according to claim 1, characterized in that: The control frame (3) has a sealing groove (12) inside, and the inner wall of the sealing groove (12) is provided with a sealing inner ring (13).

6. The furnace door sealing structure of the car bottom furnace according to claim 1, characterized in that: The control frame (3) has a heat-resistant handle (14) on the bottom front, and the connecting frame (1) and the flipping frame (2) have a movable shaft (15) on the top.

7. The furnace door sealing structure of the car bottom furnace according to claim 1, characterized in that: A sealing ring (16) is provided between the connecting frame (1) and the flipping frame (2), and a locking seat (17) is fixedly connected to the bottom end of the connecting frame (1).

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