Air door frame device for air inlet of combustor

By designing a damper frame device spliced ​​by bent molded side panels, the combination of bosses, notches and positioning shafts is used to solve the problems of deformation and complex process during the welding process of the existing damper frame, and the effects of shortening welding stroke, simple process, stable quality and reduced cost are achieved.

CN222578291UActive Publication Date: 2025-03-07SHANGHAI YINGWEI THERMAL ENERGY EQUIP CO LTD
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Patent Information

Application Number
CN202421252712.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-03-07
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

The damper frame used for the air intake of the existing burner is prone to deformation during the welding process, and the welding process is complex, resulting in long processing cycles, unstable quality and high cost.

Method used

A damper frame device formed by splicing and welding of four side plates is designed. The side plate is bent and positioned using the joint positioning of the boss and the notch, combined with the positioning shaft and the socket, which improves the accuracy of the side plate butt and the coaxiality of the hole.

Benefits of technology

The damper frame structure is simple and reasonable, the welding stroke is shortened by 80%, the welding process requirements are simple, the processing speed is fast, which reduces production costs and ensures the stability of processing quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The air door frame device comprises a first side plate, two second side plates and a third side plate, bosses are arranged at the end of the first side plate and the end of the third side plate, notches are formed in the second side plates, the size of the bosses is matched with that of the notches, and the size of the bosses is matched with that of the notches. The side faces of the first side plate and the third side plate are each provided with an insertion hole matched with the corresponding positioning shaft in an inserted mode. The air door frame is scientific and reasonable in structural design, the air door frame is formed by splicing and welding the four side plates, after the side plates are bent and formed, the strength of the steel plates is improved, the service life of the steel plates is prolonged, the stability of the steel plates is improved, positioning is achieved through bosses and notches in the side plates and positioning shafts, the butt joint accuracy of the side plates can be improved, and the service life of the air door frame is prolonged. And the coaxiality of the holes in the two sides of the air door frame is ensured.
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Description

Technical Field

[0001] The utility model relates to the technical field of burner air door frame equipment, in particular to an air door frame device for burner air intake. Background Art

[0002] The damper frame used to adjust the combustion air in the existing burner is welded from two flanges and four side panels. During the welding process, the long welding stroke is required, which easily causes deformation in the damper adjustment frame. In addition, during the welding process, auxiliary welding tools are required to accurately align the flange and the side panels. Otherwise, it is very easy for the two side panels to be offset and the holes of the two side panels are not on the same axis after welding, resulting in poor quality of the processed damper frame. The existing damper frame welding process is complex and requires a high level of welding, resulting in a long damper frame processing cycle, unstable processing quality, and high processing cost. To this end, we propose a damper frame device for burner air inlet. Utility Model Content

[0003] The utility model aims to provide a damper frame device for air inlet of a burner, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a damper frame device for burner air inlet, comprising a side panel one, two side panels two and a side panel three, the ends of the side panel and the side panel three are provided with bosses, the side panel two is provided with a notch, the size of the boss matches the notch, and the side surfaces of the side panel one and the side panel three are provided with sockets that are plugged into and matched with the positioning shaft.

[0005] In the above scheme, the bending angles of the side panel one, the side panel two and the side panel three are all degrees.

[0006] In the above solution, four bosses are arranged on the side plate and the side plate.

[0007] In the above solution, the boss is 30 mm long.

[0008] In the above solution, four gaps are provided.

[0009] In the above solution, the side panel one, the side panel two and the side panel three are all formed by bending steel plates twice.

[0010] Compared with the prior art, the utility model has the following beneficial effects: the damper frame device for the air inlet of the burner has a simple and reasonable structural design and has the following beneficial effects:

[0011] 1. The damper frame is formed by welding and splicing 4 side panels. After the side panels are bent, the strength of the steel plates, the service life of the steel plates and the stability of the steel plates are improved. The bosses and notches in the side panels are used for positioning and the positioning shaft is used for positioning, which can improve the accuracy of the side panel docking and ensure the coaxiality of the holes on both sides of the damper frame.

[0012] 2. The folded edge of the side panel acts as the damper flange, which reduces the damper flange in the prior art. It also reduces the welding between the damper flange and the side panel, and the heat generated by the longer welding stroke causes the side panel to deform, greatly reducing the production and processing costs.

[0013] 3. The required welding stroke of the damper frame is shortened by 80%, the welding process requirements are simpler, and the processing speed is faster, so that the damper frame is not easy to deform during the welding process, thereby effectively ensuring the stability of the processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the assembly structure of the utility model.

[0015] Figure 2 It is a structural schematic diagram of a side panel of the utility model.

[0016] Figure 3 It is a schematic diagram of the structure of the second side panel of the utility model.

[0017] Figure 4 It is a schematic diagram of the third structure of the side panel of the utility model.

[0018] Figure 5 It is a schematic diagram of the separation structure of the utility model.

[0019] Figure 6 This is a schematic diagram of the positioning shaft structure of the utility model.

[0020] In the figure: 1, side panel one 2, side panel two 3, side panel three 4, positioning shaft 5, boss 6, notch 7, socket. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-3The utility model provides a technical solution: a damper frame device for burner air inlet, comprising a side panel 1, two side panels 2 and a side panel 3, the ends of the side panel 1 and the side panel 3 are both provided with bosses 5, the side panel 2 is provided with a notch 6, the size of the boss 5 is consistent with the notch 6, and the sides of the side panels 1 and 3 are both provided with sockets 7 that are plugged with the positioning shaft 4.

[0023] In the above solution, the bending angles of the side panel 1, the side panel 2 and the side panel 3 are all 90 degrees.

[0024] In the above solution, four bosses 5 are provided on the side panel 1 and the side panel 3 3 .

[0025] In the above solution, the boss 5 is 30 mm long.

[0026] In the above solution, four notches 6 are provided.

[0027] In the above scheme, the side panel 1, the side panel 2 and the side panel 3 are all formed by bending steel plates twice.

[0028] Working principle:

[0029] The air door frame device for the air inlet of the burner is mainly composed of a side plate 1, two side plates 2, and a side plate 3. The finished product is as follows: Figure 1 shown.

[0030] The side panel 1 is made of a steel plate after laser cutting and then folded again. The bending angle is 90 degrees. After the steel plate is bent twice, the strength of the steel plate is improved, the service life of the steel plate is improved, and the stability of the steel plate is improved; the side panel 1 also has 4 30mm long bosses, and the height of the bosses is 0.5mm less than the thickness of the plate, which avoids the bosses from being exposed outside the damper frame. Figure 2 shown.

[0031] The side panel 2 is made of a steel plate after laser cutting and then folded again. The bending angle is 90 degrees. After the steel plate is bent twice, the strength of the steel plate is improved, the service life of the steel plate is improved, and the stability of the steel plate is improved. The side panel 2 also has 4 30mm long notches, such as Figure 3 shown.

[0032] The side panel 3 is made of a steel plate after laser cutting and then folded again. The bending angle is 90 degrees. After the steel plate is bent twice, the strength of the steel plate is improved, the service life of the steel plate is improved, and the stability of the steel plate is improved; the side panel 3 also has 4 30mm long bosses, and the height of the bosses is 0.5mm less than the thickness of the plate, which avoids the bosses from being exposed outside the damper frame. Figure 4 shown.

[0033] The damper frame device, first, align the boss 5 of the side plate 1 with the notch 6 of the side plate 2, so that the side plate 1 is inserted into the side plate 2; similarly, insert the side plate 3 into the side plate 2; then, pass the positioning shaft 4 through the sockets 7 on the side plates 1 and 3 as shown in the figure, and the positioning shaft 4 ensures the coaxiality of the holes on the side plates 1 and 3; finally, after the damper frame 4 needs to be welded and cooled naturally, pull out the positioning shaft 4, as shown in the figure. Figure 5 shown.

[0034] The damper frame is formed by welding and splicing four side panels, and the side panels are bent to improve the strength of the steel panels, the service life of the steel panels and the stability of the steel panels. The process positioning formed by the boss 5 and the notch 6 in the side panels and the coordinated positioning of the positioning shaft 4 and the socket 7 can improve the accuracy of the side panel docking, and at the same time ensure the coaxiality of the holes on both sides of the damper frame, so that the side panel 1, the side panel 2 and the side panel 3 can be effectively assembled and connected.

[0035] The folded edge of the side panel acts as the damper flange, which reduces the damper flange in the prior art, and also reduces the welding between the damper flange and the side panel, as well as the heat generated by the longer welding stroke causing the side panel to deform, thereby greatly reducing the production and processing costs.

[0036] The required welding stroke of the damper frame is shortened by 80%, the welding process requirements are simple, and the processing speed is fast, so that the damper frame is not easy to deform during the welding process, thereby effectively ensuring the stability of the processing quality.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A damper frame device for air inlet of a burner, comprising a side plate 1 (1), two side plates 2 (2) and a side plate 3 (3), characterized in that: The ends of the side panel one (1) and the side panel three (3) are both provided with bosses (5), the side panel two (2) is provided with a notch (6), the sizes of the boss (5) and the notch (6) are consistent, and the sides of the side panel one (1) and the side panel three (3) are both provided with sockets (7) for plugging and matching with the positioning shaft (4).

2. The damper frame device for burner air intake according to claim 1, characterized in that: The bending angles of the side panel one (1), the side panel two (2) and the side panel three (3) are all 90 degrees.

3. The damper frame device for burner air intake according to claim 1, characterized in that: Four bosses (5) are provided on the side panel one (1) and the side panel three (3).

4. The damper frame device for burner air intake according to claim 1, characterized in that: The boss (5) is 30 mm long.

5. The damper frame device for burner air intake according to claim 1, characterized in that: Four notches (6) are correspondingly provided.

6. The damper frame device for burner air intake according to claim 1, characterized in that: The side panel one (1), the side panel two (2) and the side panel three (3) are all formed by bending steel plates twice.