Heating furnace for steel plate annealing

Abstract

The utility model relates to the technical field of heating furnaces, in particular to a heating furnace for steel plate annealing, which comprises an annealing furnace main body and a heating part arranged on the inner wall of the annealing furnace main body, the top of the annealing furnace main body is provided with an inert gas box, and the inert gas box is connected with an inlet of a gas pump through a gas conveying pipe. An outlet of the air pump is connected with an air outlet pipe extending into the annealing furnace main body, and the guide frame is arranged in the annealing furnace main body; during use, the steel plates are positioned through the positioning grooves in the mounting frame, then the steel plates are limited and fixed through the limiting plates of the limiting assemblies and the industrial hasps, and the steel plates are kept vertical in a separated mode; and the steel plate can be better heated by the heating part on the inner wall of the annealing furnace main body, so that inert gas can be more conveniently blown to the surface of the steel plate, and the annealing effect of the steel plate is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heating furnaces, in particular to a heating furnace for annealing steel plates. Background Art

[0002] The steel plate annealing heating process is usually carried out in a special heating furnace. After the steel plate is slowly heated to the set temperature in the furnace, it is kept warm for a period of time to make it evenly heated, thereby improving the cold processing performance and formability of the steel. For example, the Chinese patent with application number CN201620131671.6 discloses a steel plate annealing heating furnace, including: a furnace body, including a first furnace mouth and a second furnace mouth respectively arranged at both ends of the furnace body; and a furnace arranged inside the furnace body, wherein a first fixed furnace bottom roller is respectively arranged in the first furnace mouth and the second furnace mouth, and a first fixed furnace bottom roller is arranged at one end of the furnace near the first furnace mouth. The steel plate annealing heating furnace provided by the utility model increases the retention length of the steel plate in the furnace within the fixed furnace body length, and the tension of the steel plate in the furnace can be adjusted by a floating adjustment device to avoid the breakage of the steel plate, and the stop time of the steel plate in the furnace is automatically adjusted. However, in actual use, when annealing steel plates, stacking the steel plates in an annealing furnace for annealing will cause uneven heating of the steel plates, resulting in poor annealing effect of the steel plates. Utility Model Content

[0003] In view of this, the purpose of the utility model is to provide a heating furnace for annealing steel plates to solve the technical problem in the prior art that when annealing steel plates, the steel plates are placed in an annealing furnace in a stacked manner, resulting in uneven heating of the steel plates.

[0004] Based on the above purpose, the utility model provides a heating furnace for annealing a steel plate, comprising an annealing furnace body and a heating component arranged on the inner wall of the annealing furnace body, an inert gas box is arranged on the top of the annealing furnace body, the inert gas box is connected to the inlet of an air pump through a gas delivery pipe, and the outlet of the air pump is connected to the outlet pipe extending into the interior of the annealing furnace body, and the annealing heating furnace also includes:

[0005] A guide frame, wherein the guide frame is arranged in the annealing furnace body;

[0006] A mounting frame, the mounting frame is slidably disposed on the guide frame, and the mounting frame is provided with a plurality of positioning grooves for placing steel plates;

[0007] A limiting assembly is used for fixing a steel plate, wherein the steel plate is fixed in the mounting frame through the limiting assembly on the mounting frame.

[0008] Further, the guiding frame includes a support frame and a guiding plate. There are two support frames which are arranged on the front and rear sides of the annealing furnace body, and there are two guiding plates which are provided with guiding grooves, and both ends of the guiding plate are respectively located on the two support frames.

[0009] Further, the limiting component includes a limiting plate and industrial buckles. The limiting plate is of a "U" - shaped structure and its two sides are respectively hinged to the mounting frame through pin shafts. The limiting plate is provided with limiting grooves corresponding to the positioning grooves one by one. There are two industrial buckles which are symmetrically arranged on both sides of the mounting frame, and the mounting frame is connected to the limiting plate through the industrial buckles.

[0010] Further, "X" - shaped reinforcing plates are symmetrically arranged on both sides of the mounting frame.

[0011] Further, rollers which are slidably connected to the guiding grooves are respectively arranged at the four corners of the bottom of the mounting frame.

[0012] Further, a handle is arranged on the front side of the mounting frame.

[0013] The beneficial effects of the present utility model: When using a heating furnace for steel plate annealing of the present utility model, during use, the steel plates are positioned through the positioning grooves on the mounting frame, and then the steel plates are limited and fixed through the limiting plate and industrial buckles of the limiting component, so that the steel plates are separated and erected from each other, enabling the steel plates to be heated better by the heating components on the inner wall of the annealing furnace body, and enabling the inert gas to be more conveniently blown onto the surface of the steel plates, improving the effect of steel plate annealing. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only those of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a schematic structural diagram of the whole of the present utility model;

[0016] Figure 2 It is a schematic structural diagram of the mounting frame and the limiting component of the present utility model;

[0017] Figure 3 It is Figure 2 a schematic structural diagram after placing the steel plates in

[0018] The marks in the figure are:

[0019] 1. Annealing furnace body, 2. Inert gas box, 3. Air pump, 4. Guide frame, 41. Support frame, 42. Guide plate, 43. Guide groove, 5. Mounting frame, 51. Positioning groove, 52. Reinforcement plate, 53. Roller, 54. Handle, 6. Limiting assembly, 61. Limiting plate, 62. Limiting groove, 63. Industrial buckle, 7. Steel plate. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0021] It should be noted that, unless otherwise defined, the technical terms or scientific terms used in the present invention should be understood by people with ordinary skills in the field to which the present invention belongs. The words "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0022] The utility model proposes a heating furnace for annealing a steel plate, such as Figures 1 to 3 As shown, it includes an annealing furnace body 1 and a heating component arranged on the inner wall of the annealing furnace body 1. An inert gas box 2 is arranged on the top of the annealing furnace body 1. The inert gas box 2 is connected to the inlet of an air pump 3 through a gas delivery pipe. The outlet of the air pump 3 is connected to the outlet pipe extending into the interior of the annealing furnace body 1. The annealing heating furnace also includes:

[0023] A guide frame 4, wherein the guide frame 4 is arranged in the annealing furnace body 1;

[0024] A mounting frame 5, the mounting frame 5 is slidably disposed on the guide frame 4, and a plurality of positioning grooves 51 for placing the steel plate 7 are provided in the mounting frame 5;

[0025] The limiting assembly 6 is used to fix the steel plate 7 , and the steel plate 7 is fixed in the mounting frame 5 through the limiting assembly 6 on the mounting frame 5 .

[0026] In this embodiment, the guide frame 4 includes a support frame 41 and guide plates 42. There are two support frames 41 which are arranged on the front and rear sides of the annealing furnace main body 1. There are two guide plates 42, and guide grooves 43 are provided thereon. Both ends of the guide plates 42 are respectively located on the two support frames 41. The limiting component 6 includes a limiting plate 61 and industrial fasteners 63. The limiting plate 61 is of a "U" - shaped structure, and its two sides are respectively hinged to the mounting frame 5 through pin shafts. Limiting grooves 62 corresponding to the positioning grooves 51 one by one are provided on the limiting plate 61. There are two industrial fasteners 63 which are symmetrically arranged on both sides of the mounting frame 5, and the mounting frame 5 is connected to the limiting plate 61 through the industrial fasteners 63.

[0027] In this embodiment, during use, the steel plate 7 to be annealed is placed on the mounting frame 5 through the positioning grooves 51 on the mounting frame 5. After the positioning grooves 51 on the mounting frame 5 are all filled with the steel plates 7, the limiting plate 61 is rotated from the top of the mounting frame 5 to the side of the mounting frame 5, so that the steel plate 7 is located in the limiting grooves 62 on the limiting plate 61. Then, the limiting plate 61 is fixed to the mounting frame 5 through the industrial fasteners 63 on the side of the mounting frame 5, so as to fix the steel plate 7 in the mounting frame 5. Then, the steel plate 7 on the mounting frame 5 is pushed to move in the guide grooves 43 on the guide plates 42 and move into the annealing furnace main body 1. Then, the steel plate 7 is heated by the heating components on the inner wall of the annealing furnace main body 1, and at the same time, the inert gas in the inert gas tank 2 is blown onto the surface of the steel plate 7 through the air pump 3, so as to reduce the phenomenon of oxidation slag.

[0028] In this embodiment, as Figure 2 shown, "X" - shaped reinforcing plates 52 are symmetrically arranged on both sides of the mounting frame 5 to make the mounting frame 5 more firm.

[0029] In addition, preferably, as Figure 2 shown, rollers 53 which are slidably connected to the guide grooves 43 are respectively provided at the four corners of the bottom of the mounting frame 5, and a handle 54 is provided on the front side of the mounting frame 5, which is convenient for taking materials after the steel plate 7 is cooled.

[0030] Those of ordinary skill in the art should understand that: the discussion of any above - mentioned embodiment is only exemplary, and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples; under the idea of the present invention, the technical features in the above - mentioned embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations in different aspects of the present invention as described above, and they are not provided in detail for the sake of brevity.

[0031] The present invention is intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A heating furnace for annealing a steel plate, comprising an annealing furnace body (1) and a heating component arranged on the inner wall of the annealing furnace body (1), wherein an inert gas box (2) is arranged on the top of the annealing furnace body (1), the inert gas box (2) is connected to the inlet of an air pump (3) through a gas delivery pipe, and the outlet of the air pump (3) is connected to the gas outlet pipe extending into the interior of the annealing furnace body (1), characterized in that: The heating furnace for annealing further includes: A guiding frame (4), which is arranged inside the annealing furnace main body (1); A mounting frame (5), which is slidably arranged on the guiding frame (4), and a plurality of positioning grooves (51) for placing steel plates (7) are provided in the mounting frame (5); A limiting component (6) for fixing the steel plate (7), and the steel plate (7) is fixed in the mounting frame (5) through the limiting component (6) on the mounting frame (5).

2. A heating furnace for annealing a steel plate according to claim 1, characterized in that: The guiding frame (4) includes a support frame (41) and guiding plates (42). There are two support frames (41) arranged on the front and rear sides of the annealing furnace main body (1), and there are two guiding plates (42) with guiding grooves (43) provided thereon. The two ends of the guiding plates (42) are respectively located on the two support frames (41).

3. The heating furnace for annealing a steel plate according to claim 1, characterized in that: The limiting component (6) includes a limiting plate (61) and industrial fasteners (63). The limiting plate (61) is of a "U" - shaped structure, and its two sides are respectively hinged to the mounting frame (5) through pin shafts. Limiting grooves (62) corresponding to the positioning grooves (51) one by one are provided on the limiting plate (61). There are two industrial fasteners (63) symmetrically arranged on both sides of the mounting frame (5), and the mounting frame (5) is connected to the limiting plate (61) through the industrial fasteners (63).

4. The heating furnace for annealing a steel plate according to claim 1, characterized in that: "X" - shaped reinforcing plates (52) are symmetrically arranged on both sides of the mounting frame (5).

5. The heating furnace for annealing a steel plate according to claim 2, characterized in that: Rollers (53) slidably connected to the guiding grooves (43) are respectively provided at the four corners of the bottom of the mounting frame (5).

6. The heating furnace for annealing a steel plate according to claim 1, characterized in that: A handle (54) is provided on the front side of the mounting frame (5).

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