Surface anti-corrosion treatment drying device for civil air defense door

CN224599648UActive Publication Date: 2026-08-07SHANGHAI PENGCHENG VENTILATION EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI PENGCHENG VENTILATION EQUIP CO LTD
Filing Date
2025-08-26
Publication Date
2026-08-07

AI Technical Summary

Technical Problem

[0004]但是,上述防腐处理烘干装置由于设计两道工序,生产时需要耗费大量的时间,影响人防门的生产效率,因此具有待改进的空间

Benefits of technology

[0028] 1. The surface anti-corrosion treatment drying device for air-raid shelter doors uses a rotating assembly to fix the air-raid shelter door in place. During painting, the rotating assembly is controlled to drive the air-raid shelter door to rotate at a constant speed. The paint pump draws paint from the paint storage tank and sprays it evenly onto the surface of the air-raid shelter door through the paint spraying plate. After painting, the fan and electric heating wire are controlled to work. The fan blows hot air to dry the paint on the surface of the air-raid shelter door. This realizes an integrated production mode from painting to drying of air-raid shelter doors, improving the production efficiency of air-raid shelter doors.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of civil air defence door surface anti-corrosion treatment drying device, it is related to civil air defence door technical field, including paint storage tank, the top of paint storage tank is provided with processing box, the bottom of processing box is provided with rotating mechanism, processing box is fixed by rotating component to civil air defence door;The side of processing box is provided with paint spraying assembly, and the other side of processing box is provided with drying assembly;The paint spraying assembly includes the paint pumping pump fixed in the outside of processing box, the input end of paint pumping pump is connected with paint pumping pipe, the end of paint pumping pipe away from paint pumping pump extends to the inside of paint storage tank, the output end of paint pumping pump is connected with paint spraying disc, and the paint spraying disc is fixed in the inside of processing box.The utility model realizes the civil air defence door from paint spraying to drying integrated production mode, improves the production efficiency of civil air defence door.
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Description

Technical Field

[0001] This utility model relates to the field of civil defense door technology, and in particular to a surface anti-corrosion treatment and drying device for civil defense doors. Background Technology

[0002] Civil defense doors are special protective facilities at the entrances and exits of civil defense projects. They belong to civil defense equipment and are mainly used to prevent and mitigate the harm caused by air raids, disasters and other hazards. Their core functions are protection and airtightness, and some types also have composite capabilities such as fire prevention and electromagnetic pulse protection.

[0003] To extend the service life of air-raid shelter doors, it is necessary to spray paint and dry the surface of the doors for corrosion protection, which requires the use of anti-corrosion treatment and drying equipment. In the existing technology, the painting and drying of air-raid shelter doors are generally carried out in two processes: first, painting is performed using spray painting equipment, and then the doors are dried using a tunnel-type dryer.

[0004] However, the aforementioned anti-corrosion drying device has two processes, which requires a lot of time during production and affects the production efficiency of air defense doors. Therefore, there is room for improvement. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a surface anti-corrosion treatment and drying device for air-raid shelter doors. Its advantage lies in realizing an integrated production model for air-raid shelter doors, from painting to drying, thereby improving production efficiency.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A surface anti-corrosion treatment drying device for air-raid shelter doors includes a paint storage tank, a processing box on the top of the paint storage tank, and a rotating mechanism on the bottom of the processing box. The processing box fixes the air-raid shelter door through the rotating assembly.

[0008] A painting assembly is provided on one side of the processing box, and a drying assembly is provided on the other side of the processing box;

[0009] The painting assembly includes a paint pump fixed outside the processing box, an input end of the paint pump connected to a paint extraction pipe, an end of the paint extraction pipe away from the paint pump extending into the interior of the paint storage tank, and an output end of the paint pump connected to a paint spraying tray, which is fixed inside the processing box.

[0010] The drying assembly includes a blower, with a fan installed on the inner wall of the blower and an electric heating wire installed on the inner wall of the blower near the fan. The air outlet of the blower is directly facing the air-raid shelter door.

[0011] The above technical solution involves the following steps: During use, the air-raid shelter door is fixed using a rotating assembly. During painting, the rotating assembly is controlled to drive the air-raid shelter door to rotate at a uniform speed. The paint pump draws paint from the paint storage tank and sprays it evenly onto the surface of the air-raid shelter door through the paint spraying disc. After painting, the fan and electric heating wire are controlled to work. The fan blows hot air to dry the paint on the surface of the air-raid shelter door. This achieves an integrated production mode for air-raid shelter doors, from painting to drying, thus improving the production efficiency of air-raid shelter doors.

[0012] The present invention is further configured such that the rotating assembly includes a rotating motor fixed to the inner wall of the top of the paint storage tank, the output shaft of the rotating motor is connected to a lower rotating disk, the top of the lower rotating disk is provided with a lower limiting groove, both sides of the lower limiting groove are threaded rods connected by threads, and one end of the threaded rod is connected to a fixing clamp.

[0013] The upper rotating disk is rotatably connected to the top inner wall of the processing box. An upper limit groove is provided at the bottom of the upper rotating disk. A compression spring is provided on the inner wall of the upper limit groove. A limit frame is provided at the end of the upper limit groove away from the compression spring.

[0014] The above technical solution involves placing the top of the air-raid shelter door within the limiting frame, then squeezing the limiting frame to compress the spring. This allows the bottom of the air-raid shelter door to be placed into the lower limiting groove. Rotating the threaded rod causes the fixed clamping plate to move, which then clamps and secures the air-raid shelter door from both sides, achieving a good fixing effect and improving the stability of the air-raid shelter door during processing.

[0015] The present invention is further provided that the bottom of the inner walls on both sides of the lower limiting groove is provided with paint flow holes.

[0016] The above technical solution allows excess paint in the lower limit groove to flow out easily, facilitating paint recycling.

[0017] The present invention is further configured such that reflux holes are provided on both sides of the inner wall of the bottom of the processing box, the cross-section of the reflux hole is an isosceles trapezoidal structure, and the larger opening of the reflux hole faces upward.

[0018] Through the above technical solutions, the setting of the reflux hole can facilitate the return of excess paint in the processing box to the paint storage box, thus improving the convenience of paint recycling.

[0019] The present invention is further configured such that both sides of the top of the lower rotating disk have an inclined structure.

[0020] The above technical solution, with its sloping structure on both sides of the top, allows paint to flow smoothly along the slope, preventing paint from accumulating on the surface of the lower rotating disc.

[0021] The present invention is further provided with paint guide blocks on the outer walls of the lower rotating disk, and the cross-section of the paint guide blocks is a right-angled triangular structure.

[0022] The above technical solution, namely the setting of the paint guide block, can conveniently guide the paint on the surface of the lower rotating disk into the return hole, thus improving the convenience of paint recycling.

[0023] The present invention is further provided that the air inlet end of the blower is provided with a dust filter, which is made of stainless steel.

[0024] The above technical solution allows for easy filtration of the air entering the processing chamber, preventing dust from entering.

[0025] The present invention is further configured such that an air diffuser is provided at the air outlet end of the blower, and the cross-section of the air diffuser is an isosceles trapezoidal structure.

[0026] The above technical solution, namely the setting of the air expansion duct, can easily expand the airflow and increase the drying range of the air-raid shelter door.

[0027] The beneficial effects of this utility model are as follows:

[0028] 1. The surface anti-corrosion treatment drying device for air-raid shelter doors uses a rotating assembly to fix the air-raid shelter door in place. During painting, the rotating assembly is controlled to drive the air-raid shelter door to rotate at a constant speed. The paint pump draws paint from the paint storage tank and sprays it evenly onto the surface of the air-raid shelter door through the paint spraying plate. After painting, the fan and electric heating wire are controlled to work. The fan blows hot air to dry the paint on the surface of the air-raid shelter door. This realizes an integrated production mode from painting to drying of air-raid shelter doors, improving the production efficiency of air-raid shelter doors.

[0029] 2. The surface anti-corrosion treatment drying device for the air-raid shelter door places the top of the air-raid shelter door in the limiting frame, then squeezes the limiting frame, compresses the compression spring, and the bottom of the air-raid shelter door can be placed into the lower limiting groove. Rotating the threaded rod causes the fixed clamping plate to move, and the fixed clamping plate can clamp and fix the air-raid shelter door from both sides, achieving a good fixing effect and improving the stability of the air-raid shelter door during processing. Attached Figure Description

[0030] Figure 1 This is a three-dimensional structural diagram of a surface anti-corrosion treatment and drying device for air-raid shelter doors proposed in this utility model;

[0031] Figure 2 This is a cross-sectional structural schematic diagram of a surface anti-corrosion treatment and drying device for air-raid shelter doors proposed in this utility model;

[0032] Figure 3 for Figure 2 A magnified structural diagram of point A in the middle.

[0033] In the diagram: 1. Paint storage tank; 2. Processing box; 3. Paint pump; 4. Paint extraction pipe; 5. Spraying tray; 6. Air blower; 7. Fan; 8. Electric heating wire; 9. Rotary motor; 10. Lower rotating plate; 11. Lower limit groove; 12. Threaded rod; 13. Upper rotating plate; 14. Upper limit groove; 15. Compression spring; 16. Limiting frame; 17. Paint flow hole; 18. Return hole; 19. Paint guide block; 20. Dust filter; 21. Ventilation hopper. Detailed Implementation

[0034] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0035] The embodiments of this patent are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this patent, and should not be construed as limiting this patent.

[0036] Reference Figure 1-3 A surface anti-corrosion treatment drying device for air-raid shelter doors includes a paint storage tank 1, a processing box 2 is provided on the top of the paint storage tank 1, and a rotating mechanism is provided at the bottom of the processing box 2. The processing box 2 fixes the air-raid shelter door through the rotating assembly.

[0037] A painting assembly is provided on one side of the processing box 2, and a drying assembly is provided on the other side of the processing box 2;

[0038] The painting assembly includes a paint pump 3 fixed to the outside of the processing box 2. The input end of the paint pump 3 is connected to a paint extraction pipe 4. The end of the paint extraction pipe 4 away from the paint pump 3 extends into the inside of the paint storage tank 1. The output end of the paint pump 3 is connected to a paint spraying disc 5, which is fixed inside the processing box 2.

[0039] The drying assembly includes a blower 6, a fan 7 is installed on the inner wall of the blower 6, an electric heating wire 8 is installed on the inner wall of the blower 6 near the fan 7, and the air outlet of the blower 6 is facing the air-raid shelter door.

[0040] In this embodiment, the rotating assembly includes a rotating motor 9 fixed to the inner wall of the top of the paint storage tank 1. The output shaft of the rotating motor 9 is connected to a lower rotating disk 10. A lower limiting groove 11 is provided on the top of the lower rotating disk 10. Threaded rods 12 are threadedly connected to both sides of the lower limiting groove 11. A fixing clamp is connected to one end of the threaded rod 12.

[0041] The upper rotating disk 13 is rotatably connected to the inner wall of the top of the processing box 2. The bottom of the upper rotating disk 13 is provided with an upper limit groove 14. The inner wall of the upper limit groove 14 is provided with a compression spring 15. The end of the upper limit groove 14 away from the compression spring 15 is provided with a limit frame 16. The top of the air defense door is placed in the limit frame 16, and then the limit frame 16 is squeezed. The compression spring 15 is compressed, and the bottom of the air defense door can be placed into the lower limit groove 11. The threaded rod 12 is rotated, and the threaded rod 12 rotates to drive the fixed clamping plate to move. The fixed clamping plate can clamp and fix the air defense door from both sides, which achieves a good fixing effect and improves the stability of the air defense door during processing. Paint flow holes 17 are opened at the bottom of the inner walls on both sides of the lower limit groove 11. Excess paint in the lower limit groove 11 can be easily discharged through the paint flow holes 17, which facilitates the recycling of paint.

[0042] Furthermore, both sides of the bottom inner wall of the processing box 2 are provided with return holes 18. The cross-section of the return hole 18 is an isosceles trapezoidal structure, with the larger opening of the return hole 18 facing upwards. Through the return hole 18, excess paint in the processing box 2 can be easily returned to the paint storage box 1, improving the convenience of paint recycling. The top two sides of the lower rotating disk 10 are both inclined structures. The design of the top two sides with inclined structures can facilitate the flow of paint along the inclined surface and avoid the situation of paint stagnation on the surface of the lower rotating disk 10. Paint guide blocks 19 are provided on the outer walls around the lower rotating disk 10. The cross-section of the paint guide block 19 is a right-angled triangular structure. Through the paint guide block 19, the paint on the surface of the lower rotating disk 10 can be easily guided into the return hole 18, improving the convenience of paint recycling.

[0043] It is worth mentioning that the air inlet of the blower 6 is equipped with a dust filter 20, which is made of stainless steel. The dust filter 20 can easily filter the air entering the processing box 2 and prevent dust from entering the processing box 2. The air outlet of the blower 6 is equipped with an air diffuser 21. The cross-section of the air diffuser 21 is an isosceles trapezoidal structure. The air diffuser 21 can easily expand the airflow and improve the drying range of the air-raid shelter door.

[0044] Working principle: During use, the air-raid shelter door is fixed by a rotating assembly. During painting, the rotating assembly is controlled to drive the air-raid shelter door to rotate at a constant speed. The paint pump 3 draws paint from the paint storage tank 1 and sprays it evenly onto the surface of the air-raid shelter door through the paint spraying plate 5. After painting, the fan 7 and the electric heating wire 8 are controlled to work. The fan 7 blows hot air to dry the paint on the surface of the air-raid shelter door, realizing an integrated production mode from painting to drying of the air-raid shelter door, which improves the production efficiency of the air-raid shelter door.

[0045] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A surface anti-corrosion treatment and drying device for air-raid shelter doors, comprising a paint storage tank (1), wherein a processing box (2) is provided on the top of the paint storage tank (1), characterized in that, The bottom of the processing box (2) is provided with a rotating mechanism, and the processing box (2) fixes the air defense door through the rotating assembly; A painting assembly is provided on one side of the processing box (2), and a drying assembly is provided on the other side of the processing box (2); The painting assembly includes a paint pump (3) fixed outside the processing box (2), the input end of the paint pump (3) is connected to a paint extraction pipe (4), the end of the paint extraction pipe (4) away from the paint pump (3) extends into the interior of the paint storage tank (1), the output end of the paint pump (3) is connected to a paint spraying disc (5), and the paint spraying disc (5) is fixed inside the processing box (2); The drying assembly includes a blower tube (6), a fan (7) is provided on the inner wall of the blower tube (6), an electric heating wire (8) is provided on the inner wall of the blower tube (6) near the fan (7), and the air outlet of the blower tube (6) is facing the air-raid shelter door.

2. The surface anti-corrosion treatment and drying device for air-raid shelter doors according to claim 1, characterized in that, The rotating assembly includes a rotating motor (9) fixed to the inner wall of the top of the paint storage tank (1). The output shaft of the rotating motor (9) is connected to a lower rotating disk (10). The top of the lower rotating disk (10) is provided with a lower limiting groove (11). Both sides of the lower limiting groove (11) are connected to threaded rods (12) by threads. One end of the threaded rods (12) is connected to a fixing clamp. The upper rotating disk (13) is rotatably connected to the top inner wall of the processing box (2). The upper rotating disk (13) is provided with an upper limit groove (14) at the bottom. The inner wall of the upper limit groove (14) is provided with a compression spring (15). A limit frame (16) is provided at the end of the upper limit groove (14) away from the compression spring (15).

3. The surface anti-corrosion treatment and drying device for air-raid shelter doors according to claim 2, characterized in that, Paint flow holes (17) are provided at the bottom of the inner walls on both sides of the lower limiting groove (11).

4. The surface anti-corrosion treatment and drying device for air-raid shelter doors according to claim 1, characterized in that, The bottom inner wall of the processing box (2) is provided with reflux holes (18) on both sides. The cross-section of the reflux hole (18) is an isosceles trapezoidal structure, and the larger opening of the reflux hole (18) is set upward.

5. The surface anti-corrosion treatment and drying device for air-raid shelter doors according to claim 4, characterized in that, The top two sides of the lower rotating disk (10) are both inclined.

6. The surface anti-corrosion treatment and drying device for air-raid shelter doors according to claim 5, characterized in that, The lower rotating disk (10) is provided with paint guide blocks (19) on its outer walls. The cross-section of the paint guide blocks (19) is a right-angled triangle.

7. The surface anti-corrosion treatment and drying device for air-raid shelter doors according to claim 1, characterized in that, The air inlet of the blower (6) is provided with a dust filter (20), which is made of stainless steel.

8. The surface anti-corrosion treatment and drying device for air-raid shelter doors according to claim 7, characterized in that, The air outlet of the blower (6) is provided with an air diffuser (21), and the cross-section of the air diffuser (21) is an isosceles trapezoidal structure.