Preheating device for front section of annealing furnace
By designing a preheating device at the front end of the annealing furnace and using a hydraulic cylinder and motor-driven isolation plate and guide plate structure, the flat, separated preheating of the steel pipes is achieved, solving the problems of long annealing time and insufficient preheating in traditional steel pipe annealing, and improving annealing efficiency and uniformity.
Patent Information
- Application Number
- CN202422313242.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-23
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-09-23
AI Technical Summary
Traditional steel pipe annealing takes a long time and is not sufficiently preheated, which is particularly effective when the pipe is stacked for transportation.
A preheating device for the front section of an annealing furnace is designed. Through the isolation plate and guide plate structure driven by a hydraulic cylinder and a motor, the flat and separated preheating of steel pipes is achieved to prevent accumulation, and uniform heating is achieved using a heating plate.
The annealing time of the steel pipe is shortened, the preheating effect is improved, the uniform heating of the steel pipe is ensured, and the problem of incomplete preheating caused by accumulation is avoided.
Smart Images
Figure CN223361110U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of medical equipment, in particular to a front-end preheating device for an annealing furnace. Background Art
[0002] An annealing furnace is a heat treatment device used for annealing materials such as metals, glass, and ceramics. It improves the performance and structure of the material by heating the material to a certain temperature and then cooling it at an appropriate rate.
[0003] Traditionally, steel pipe annealing treatment involves directly transporting the steel pipe into an annealing furnace for annealing. This method requires a certain amount of time for the steel pipe to heat up when it first enters the annealing furnace, resulting in a longer annealing time and poor annealing results. Furthermore, steel pipes are usually stacked together during transportation, which prevents them from being fully preheated. Utility Model Content
[0004] The purpose of the utility model is to provide a preheating device for the front section of an annealing furnace to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a preheating device for the front section of an annealing furnace, comprising a preheating furnace, a first slide rail, and a second slide rail, wherein a feed port is fixedly connected to the upper portion of the preheating furnace, and an extension plate connected to both sides of the feed port is fixedly connected to the inside of the preheating furnace, and side panels are sleeved on both sides of the extension plate, and a first rotating shaft is fixedly connected to the side of the side panel facing the preheating furnace, and the first rotating shaft is rotatably connected to the inner wall of the preheating furnace, and a first motor is fixedly connected to the outside of the preheating furnace, and the power shaft of the first motor is collinear with the first rotating shaft, and the power end of the first motor penetrates the preheating furnace and is fixedly connected to the side panel, and a guide plate is fixedly connected to the lower portion between the side panels on both sides, and a bent plate is fixedly connected to the lower portion of the extension plate, and the bent plate is sleeved inside the guide plate.
[0006] Preferably, isolation boxes are fixedly connected on both sides of the preheating furnace, and several groups of hydraulic cylinders are fixedly connected to the outside of the isolation box. The power end of the hydraulic cylinder penetrates the isolation box and is fixedly connected to a connecting plate, and the other end of the connecting plate is fixedly connected to an isolation plate, and the isolation plate is slidably connected to both sides of the preheating furnace.
[0007] Preferably, a heating plate is fixedly connected inside the isolation plate, and protective nets are fixedly connected on the upper and lower sides of the isolation plate.
[0008] Preferably, the isolation plates on both sides are fixedly connected to one side facing each other with a plurality of groups of matching embedded blocks.
[0009] Preferably, the upper part of the first slide rail is slidably connected to the first transport vehicle, the first transport vehicle is opposite to the upper part of the feed port, the lower two sides of the first transport vehicle are fixedly connected to the second motor, the power end of the second motor is fixedly connected to the second rotating shaft, the other end of the second rotating shaft is rotatably connected to the inner wall of the first transport vehicle, and the outer side of the second rotating shaft is fixedly connected to the unloading door.
[0010] Preferably, a second transport vehicle is slidably connected to the upper portion of the second slide rail, and the second transport vehicle faces the lower portion of the preheating furnace.
[0011] Compared with the prior art, the beneficial effects of the present invention are:
[0012] The utility model drives the lower isolation plate into the preheating furnace through the two sets of hydraulic cylinders on the lower side, closes the lower part of the preheating furnace, and the second motor drives the second rotating shaft to rotate, so that the unloading door is opened, and the steel pipes in the first transport vehicle fall into the feeding port of the preheating furnace. The first motor rotates back and forth, and drives the guide plate to rotate through the side plates on both sides, so that the steel pipes falling from the feeding port are laid flat on the isolation plate in turn, and the upper hydraulic cylinder drives the upper side isolation plate to enter the preheating furnace, so that the steel pipes fall into the upper side isolation plate, separates the heated steel pipes, and can lay and separate the steel pipes that need to be preheated, thereby preventing the accumulation of steel pipes and incomplete preheating. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model from the first perspective;
[0014] Figure 2 This is a cross-sectional view of the three-dimensional structure of the utility model from a second viewing angle;
[0015] Figure 3 This is a sectional view of the three-dimensional structure of the utility model from a third viewing angle;
[0016] Figure 4 This is a schematic diagram of the side panel structure from the fourth perspective of the present invention.
[0017] In the figure: 1. Preheating furnace; 2. Feeding port; 3. Extension plate; 4. First motor; 5. Side plate; 6. First rotating shaft; 7. Guide plate; 8. Bending plate; 9. Isolation box; 10. Hydraulic cylinder; 11. Connecting plate; 12. Isolation plate; 13. Heating plate; 14. Protective net; 15. Embedded block; 16. First slide rail; 17. First transport vehicle; 18. Second motor; 19. Unloading door; 20. Second rotating shaft; 21. Second slide rail; 22. Second transport vehicle. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0019] See also Figure 1-4 The utility model provides a technical solution: a preheating device for the front section of an annealing furnace, comprising a preheating furnace 1, a first slide rail 16, and a second slide rail 21. A feed port 2 is fixedly welded on the upper portion of the preheating furnace 1. An extension plate 3 connected to both sides of the feed port 2 is fixedly welded inside the preheating furnace 1. Side plates 5 are sleeved on both sides of the extension plate 3. A first rotating shaft 6 is fixedly welded on one side of the side plate 5 facing the preheating furnace 1. The first rotating shaft 6 is rotatably connected to the inner wall of the preheating furnace 1. A first motor is installed on the outer flange of the preheating furnace 1. 4. The power shaft of the first motor 4 is colinear with the first rotating shaft 6. The power end of the first motor 4 penetrates the preheating furnace 1 and is fixedly welded to the side plate 5. A guide plate 7 is fixedly welded at the lower part between the two side plates 5. The first motor 4 rotates back and forth, driving the guide plate 7 to rotate through the two side plates 5, so that the steel pipes falling from the feed port 2 are laid flat in sequence. A bent plate 8 is fixedly welded at the lower part of the extension plate 3. The bent plate 8 is sleeved inside the guide plate 7 to prevent the steel pipes from falling through the gap between the guide plate 7 and the extension plate 3 when the guide plate 7 rotates;
[0020] Isolation boxes 9 are fixedly welded on both sides of the preheating furnace 1, and several groups of hydraulic cylinders 10 are installed on the outer flange of the isolation box 9. The power end of the hydraulic cylinder 10 penetrates the isolation box 9 and is fixedly welded with a connecting plate 11. The other end of the connecting plate 11 is fixedly welded with an isolation plate 12. The isolation plate 12 is slidably installed on both sides of the preheating furnace 1, and the hydraulic cylinder 10 drives the isolation plate 12 to be inserted into the preheating furnace 1 through the connecting plate 11, dividing the steel pipe inside the preheating furnace 1 into two layers and preventing the steel pipe from falling along the preheating furnace 1; a heating plate 13 is installed on the internal thread of the isolation plate 12, and a protective net 14 is fixedly welded on the upper and lower sides of the isolation plate 12. The heating plate 13 preheats the steel pipes on the upper and lower sides, and the protective net 14 prevents the steel pipe from damaging the heating plate 13; several groups of matching embedded blocks 15 are fixedly welded on the facing side of the isolation plates 12 on both sides, so that the isolation plates 12 are firmly connected and prevent The anti-steel pipe causes the isolation plate 12 to bend downward at the connection; the first transport trolley 17 is slidably installed on the upper part of the first slide rail 16, and the first transport trolley 17 is opposite to the upper part of the feed port 2. The second motor 18 is installed on both sides of the flange at the lower part of the first transport trolley 17, and the second motor 18 power end is fixedly welded with a second rotating shaft 20, and the other end of the second rotating shaft 20 is rotatably connected to the inner wall of the first transport trolley 17. A discharge door 19 is fixedly welded to the outer side of the second rotating shaft 20, and the second motor 18 drives the second rotating shaft 20 to rotate, so that the discharge door 19 opens, allowing the steel pipe in the first transport trolley 17 to fall into the preheating furnace 1; the second slide rail 21 is slidably connected to the second transport trolley 22, and the second transport trolley 22 is opposite to the lower part of the preheating furnace 1. After the preheating of the steel pipe is completed, the isolation plate 12 moves to the isolation box 9, so that the preheated steel pipe enters the second transport trolley 22.
[0021] Working principle: When the utility model is in use, the two groups of hydraulic cylinders 10 on the lower side drive the lower isolation plate 12 to enter the preheating furnace 1, close the lower part of the preheating furnace 1, and the second motor 18 drives the second rotating shaft 20 to rotate, so that the unloading door 19 is opened, and the steel pipes in the first transport car 17 fall into the feed port 2 of the preheating furnace 1. The first motor 4 rotates back and forth, and drives the guide plate 7 to rotate through the side plates 5 on both sides, so that the steel pipes falling from the feed port 2 are laid flat on the isolation plate 12 in turn, and the upper hydraulic cylinder 10 drives the upper side isolation plate 12 to enter the preheating furnace 1, so that the steel pipes fall into the upper isolation plate 12, and the heated steel pipes are separated. After the preheating is completed, the isolation plate 12 moves to the isolation box 9, so that the preheated steel pipes enter the second transport car 22.
[0022] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0023] 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 preheating device for the front section of an annealing furnace, comprising a preheating furnace (1), a first slide rail (16), and a second slide rail (21), characterized in that: The upper part of the preheating furnace (1) is fixedly connected to a feed port (2), and the interior of the preheating furnace (1) is fixedly connected to an extension plate (3) connected to both sides of the feed port (2), and side plates (5) are sleeved on both sides of the extension plate (3). One side of the side plate (5) facing the preheating furnace (1) is fixedly connected to a first rotating shaft (6), and the first rotating shaft (6) is rotatably connected to the inner wall of the preheating furnace (1). The outer side of the preheating furnace (1) is fixedly connected to a first motor (4), and the power shaft of the first motor (4) is colinear with the first rotating shaft (6). The power end of the first motor (4) penetrates the preheating furnace (1) and is fixedly connected to the side plates (5). A guide plate (7) is fixedly connected to the lower part between the side plates (5) on both sides, and a bent plate (8) is fixedly connected to the lower part of the extension plate (3), and the bent plate (8) is sleeved inside the guide plate (7).
2. The annealing furnace front-end preheating device according to claim 1, characterized in that: Isolation boxes (9) are fixedly connected to both sides of the preheating furnace (1), and a plurality of groups of hydraulic cylinders (10) are fixedly connected to the outside of the isolation box (9). The power end of the hydraulic cylinder (10) penetrates the isolation box (9) and is fixedly connected to a connecting plate (11). The other end of the connecting plate (11) is fixedly connected to an isolation plate (12), and the isolation plate (12) is slidably connected to both sides of the preheating furnace (1).
3. The annealing furnace front-end preheating device according to claim 2, characterized in that: A heating plate (13) is fixedly connected inside the isolation plate (12), and protective nets (14) are fixedly connected to the upper and lower sides of the isolation plate (12).
4. The annealing furnace front-end preheating device according to claim 2, characterized in that: The isolation plates (12) on both sides are fixedly connected to one side facing each other with a plurality of groups of matching embedded blocks (15).
5. The annealing furnace front-end preheating device according to claim 1, characterized in that: The upper portion of the first slide rail (16) is slidably connected to a first transport vehicle (17), the first transport vehicle (17) is directly opposite to the upper portion of the feed port (2), and the lower portions of the first transport vehicle (17) are fixedly connected to second motors (18) on both sides, the power end of the second motor (18) is fixedly connected to a second rotating shaft (20), the other end of the second rotating shaft (20) is rotatably connected to the inner wall of the first transport vehicle (17), and the outer side of the second rotating shaft (20) is fixedly connected to a discharge door (19).
6. The annealing furnace front-end preheating device according to claim 1, characterized in that: The upper portion of the second slide rail (21) is slidably connected to a second transport vehicle (22), and the second transport vehicle (22) faces the lower portion of the preheating furnace (1).