Pipe wall anti-corrosion layer coating device of heating and ventilation pipe

Abstract

The utility model relates to a heating and ventilation pipe wall anti-corrosion layer coating device which comprises a bottom plate, a clamping mechanism, a spraying mechanism and a coating box are arranged on the bottom plate, the output end of the spraying mechanism faces the clamping mechanism, the coating box is connected with the spraying mechanism through a conveying pipe, and the spraying mechanism comprises a supporting plate. The bottom of the supporting plate is connected with the bottom plate, a moving mechanism is arranged on the upper portion of the supporting plate, a connecting pipe is arranged at the end, close to the clamping mechanism, of the moving mechanism, one end of the connecting pipe is connected with the conveying pipe through a hose, and the other end of the connecting pipe is connected with the spraying pipe. By arranging the moving structure, the spraying pipe is mechanically driven to extend into the inner side of the heating and ventilation pipe for spraying, so that uniform spraying on the inner wall of the heating and ventilation pipe is realized, and the coating effect of anticorrosive paint is better.

Description

Technical Field

[0001] This application relates to the technical field of spraying equipment, and particularly to a device for coating an anti-corrosion layer on the inner wall of a heating and ventilation pipe. Background Art

[0002] A heating and ventilation pipe refers to a pipe used for transmitting heat, cold, air or other media in a heating, ventilation and air conditioning system. Since the inner wall of the heating and ventilation pipe often comes into contact with water, air, gas or other media, these media may contain corrosive substances, have a relatively high humidity or undergo chemical reactions. Being eroded by these factors for a long time, the inner wall of the pipe is easily corroded, rusted, scaled and damaged, which will affect the service life and operation effect of the pipe. Therefore, it is necessary to coat an anti-corrosion layer on the inner wall of the heating and ventilation pipe to prevent the inner wall of the pipe from being corroded and damaged.

[0003] In the prior art, when spraying the inner wall of a heating and ventilation pipe through a coating device, usually the spraying pipe is held by hand and inserted into the inside of the heating and ventilation pipe, and the anti-corrosion coating is sprayed out through the spraying pipe, so as to achieve the coating of the anti-corrosion coating on the inner wall of the heating and ventilation pipe. Since it is not easy to move the spraying pipe or the heating and ventilation pipe back and forth during the spraying process, it is easy to cause uneven spraying, which will reduce the quality of the anti-corrosion coating. Utility Model Content

[0004] Based on this, it is necessary to provide a device for coating an anti-corrosion layer on the inner wall of a heating and ventilation pipe to solve the defect of uneven spraying of the existing coating device.

[0005] A device for coating an anti-corrosion layer on the inner wall of a heating and ventilation pipe includes a bottom plate, a clamping mechanism, a spraying mechanism and a paint box are arranged on the bottom plate, the output end of the spraying mechanism faces the clamping mechanism, the paint box is connected to the spraying mechanism through a delivery pipe, the spraying mechanism includes a support plate, the bottom of the support plate is connected to the bottom plate, a moving mechanism is arranged on its upper part, a connecting pipe is arranged at the end of the moving mechanism close to the clamping mechanism, one end of the connecting pipe is connected to the delivery pipe through a hose, and the other end is connected to a spraying pipe.

[0006] As a preference of the device for coating an anti-corrosion layer on the inner wall of a heating and ventilation pipe in the present utility model, the clamping mechanism includes a support rod, the bottom of the support rod is connected to the bottom plate, a connecting frame is arranged at its top end, telescopic cylinders are arranged at both ends of the connecting frame, and the output end of the telescopic cylinder extends into the connecting frame and is provided with a clamping block.

[0007] As a preference of the coating device for the anti-corrosion layer on the pipe wall of the HVAC pipe in the present utility model, the moving mechanism includes a first motor, a screw rod, a moving rod, and a limiting rod. The first motor is fixedly connected to the upper part of the support plate, and its output end is connected to the screw rod. One end of the screw rod is provided with an external thread. The moving rod has a cavity provided with an internal thread, and a connecting block is arranged at its bottom. The screw rod and the moving rod are connected through the external thread and the internal thread. The limiting rod is arranged below the moving rod, one end of which is connected to the support plate, and it is slidably connected to the moving rod through the connecting block.

[0008] As a preference of the coating device for the anti-corrosion layer on the pipe wall of the HVAC pipe in the present utility model, the paint tank is provided with a feed port and a discharge port. A suction pump is arranged at the discharge port, and one end of the delivery pipe is connected to the suction pump.

[0009] As a preference of the coating device for the anti-corrosion layer on the pipe wall of the HVAC pipe in the present utility model, a second motor is arranged on one side outside the paint tank, and its output end is connected to a rotating rod. The rotating rod is arranged inside the paint tank, one end of which is rotatably connected to the inside of the paint tank, and the other end is connected to the output end of the second motor.

[0010] As a preference of the coating device for the anti-corrosion layer on the pipe wall of the HVAC pipe in the present utility model, the rotating rod includes a first rotating rod and a second rotating rod. The output end of the first rotating rod is connected to the second motor, and multiple groups of first stirring rods are arranged on its surface. The second rotating rod is arranged above the first rotating rod, and its output end is connected to the second motor through a belt. Multiple groups of second stirring rods are arranged on the surface of the second rotating rod.

[0011] The beneficial effects of the present utility model:

[0012] By setting a moving structure in the present utility model, the spraying pipe is driven by a machine to extend into the inside of the HVAC pipe for spraying, so as to realize uniform spraying on the inner wall of the HVAC pipe, and further make the coating effect of the anti-corrosion paint better. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application 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 following drawings are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0014] Figure 1 It is a schematic cross-sectional view of the structure of the coating device in the embodiment of the present application;

[0015] Figure 2 For Figure 1 a schematic enlarged view of the structure at A in the shown coating device;

[0016] Figure 3 It is a schematic structural diagram of the clamping mechanism in the embodiment of the present application;

[0017] Figure 4 It is a schematic cross-sectional view of the paint box in the embodiment of the present application;

[0018] Explanation of reference numerals:

[0019] 1. Bottom plate; 11. Paint box; 12. Feed port; 13. Pump; 14. Delivery pipe; 15. Hose; 16. Connecting pipe; 17. Spraying pipe; 18. Discharge port; 2. Support plate; 21. Screw; 22. Moving rod; 23. First motor; 24. Connecting block; 25. Limiting rod; 26. Support rod; 27. Connecting frame; 28. Telescopic cylinder; 29. Clamping block; 3. First rotating rod; 31. First stirring rod; 32. Second motor; 33. Second rotating rod; 34. Second stirring rod; 35. Belt. Detailed implementation manners

[0020] To make the above objects, features, and advantages of the present application more obvious and understandable, the following will describe the detailed implementation manners of the present application with reference to the accompanying drawings. Many specific details are set forth in the following description to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific embodiments disclosed below.

[0021] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present application.

[0022] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present application, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically and clearly defined.

[0023] In this application, unless otherwise clearly defined and limited, terms such as "installed", "connected", "linked", "fixed", etc. shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0024] In this application, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. Moreover, the first feature being "above", "over" and "on top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or merely indicates that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or merely indicates that the first feature has a lower horizontal height than the second feature.

[0025] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only implementation.

[0026] Embodiment

[0027] This embodiment provides a device for coating an anti-corrosion layer on the pipe wall of a heating and ventilation pipe, as Figure 1 and Figure 2 shown, which includes a bottom plate 1. A clamping mechanism, a spraying mechanism and a paint tank 11 are sequentially arranged on the bottom plate 1. The output end of the spraying mechanism faces the clamping mechanism. The paint tank 11 is connected to the spraying mechanism through a delivery pipe 14. The spraying mechanism includes a support plate 2. The bottom of the support plate 2 is connected to the bottom plate 1, and a moving mechanism is arranged on its upper part. A connecting pipe 16 is arranged at the end of the moving mechanism close to the clamping mechanism. One end of the connecting pipe 16 is connected to the delivery pipe 14 through a hose 15, and the other end is connected to a spraying pipe 17. By means of the moving mechanism, the spraying pipe 17 extends into the heating and ventilation pipe and moves back and forth inside the heating and ventilation pipe, so as to realize uniform coating on the inner wall of the heating and ventilation pipe.

[0028] Further, the moving mechanism includes a first motor 23, a screw rod 21, a moving rod 22, and a limiting rod 25. The first motor 23 is fixedly connected to the upper part of the support plate 2, and its output end is connected to the screw rod 21. One end of the screw rod 21 is provided with an external thread. The moving rod 22 has a cavity provided with an internal thread, and a connecting block 24 is arranged at its bottom. The screw rod 21 and the moving rod 22 are connected through the external thread and the internal thread. The limiting rod 25 is arranged below the moving rod 22, one end of which is connected to the support plate 2, and it is slidably connected to the moving rod 22 through the connecting block 24.

[0029] Further, the limiting rod 25 is fixedly connected to the surface of the support plate 2 in a rod shape. Through the arrangement of the connecting block 24 and the limiting rod 25, the moving rod 22 can be limited, so that the moving rod 22 will not shift under the action of the screw rod 21.

[0030] As Figure 3 shown, the clamping mechanism includes a support rod 26. The bottom of the support rod 26 is connected to the bottom plate 1, and a connecting frame 27 is arranged at its top end. An expansion cylinder 28 is arranged outside the connecting frame 27, and the output end of the expansion cylinder 28 extends into the connecting frame 27 and is provided with a clamping block 29. Through the arrangement of the connecting frame 27, the HVAC pipe can be supported. With the cooperation of the clamping block 29, the fixing of the HVAC pipe can be realized, and then it is convenient for the spraying pipe 17 to coat the HVAC pipe better.

[0031] Further, two groups of expansion cylinders 28 are fixedly installed on the surface of the connecting frame 27. Two groups of clamping blocks 29 are correspondingly connected to the expansion cylinders 28. The clamping blocks 29 are movably connected to the inner side of the connecting frame 27. Through the arrangement of the clamping blocks 29, the clamping blocks 29 can move under the telescopic action of the expansion cylinders 28, and then the fixing of the HVAC pipe by the clamping blocks 29 can be realized, and the erection of the HVAC pipe can be realized.

[0032] As Figure 4 shown, a feed inlet 12 is arranged at the top of the paint tank 11. Through the arrangement of the feed inlet 12, the anti-corrosion paint can enter the inside of the paint tank 11 to realize storage through the paint tank 11. A discharge port 18 is arranged on one side of its lower part. A suction pump 13 is arranged at the discharge port 18. The suction pump 13 is fixed on the upper part of the bottom plate 1, its input end is connected to the discharge port 18, and its output end is connected to a delivery pipe 14. One end of the delivery pipe 14 away from the suction pump 13 is fixedly connected to a hose 15. By pumping out the anti-corrosion paint in the paint tank 11 through the suction pump 13 and transporting it through the delivery pipe 14 and the hose 15, the anti-corrosion paint can be sprayed out through the spraying pipe 17, and then the coating of the HVAC pipe can be realized.

[0033] Further, a second motor 32 is provided on one side outside the paint tank 11, and its output end is connected to a rotating rod. The rotating rod is arranged inside the paint tank 11, one end of which is rotatably connected to the inside of the paint tank 11, and the other end is connected to the output end of the second motor 32. The second motor 32 drives the rotating rod to rotate to stir the anticorrosive paint, thereby ensuring the uniformity of the coating of the HVAC pipe by the spraying pipe 17.

[0034] Further, the rotating rod includes a first rotating rod 3 and a second rotating rod 33. The output end of the first rotating rod 3 is connected to the second motor 32, and multiple groups of first stirring rods 31 are arranged on its surface. The second rotating rod 33 is arranged above the first rotating rod 3, and its output end is connected to the second motor 32 through a belt 35. Multiple groups of second stirring rods 34 are arranged on the surface of the second rotating rod 33. The first stirring rods 31 and the second stirring rods 34 are staggered. This structure can make the stirring effect of the anticorrosive paint better, effectively prevent the condensation of the sprayed anticorrosive paint, and further improve the coating quality of the anticorrosive paint.

[0035] Working principle: During use, the HVAC pipe is placed inside the connection frame 27. The output end of the telescopic cylinder 28 is electrically connected to the input end of an external power supply through a wire. The staff starts the telescopic cylinder 28 by pressing a switch. The telescopic cylinder 28 extends to make the clamping block 29 move, realizing the clamping of the HVAC pipe by the clamping block 29 under the action of the telescopic cylinder 28, thereby fixing the HVAC pipe. The output end of the first motor 23 is electrically connected to the input end of an external power supply through a wire. The staff starts the first motor 23 by pressing a switch. The first motor 23 runs to drive the screw rod 21 to rotate. The moving rod 22 is limited by the connecting block 24 and the limiting rod 25 and will move during the rotation of the screw rod 21. Furthermore, the spraying pipe 17 will move accordingly under the action of the moving rod 22, so as to realize the spraying pipe 17 extending into the inside of the HVAC pipe and being able to move back and forth inside the HVAC pipe, thereby achieving the effect of uniform spraying.

[0036] The output end of the second motor 32 is electrically connected to the input end of an external power supply through a wire. The staff starts the second motor 32 by pressing a switch. The second motor 32 runs to make the first rotating rod 3 drive the first stirring rods 31 to rotate, which can realize the stirring of the anticorrosive paint in the paint tank 11 by the first stirring rods 31. When the first rotating rod 3 rotates, the belt 35 will move under the action of the first rotating rod 3 and make the second rotating rod 33 drive the second stirring rods 34 to rotate accordingly, thereby realizing the stirring of the anticorrosive paint by the second stirring rods 34, making the stirring effect better.

[0037] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the various technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as falling within the scope described in this specification.

[0038] The above-described embodiments merely represent several implementation manners of the present application. The description thereof is relatively specific and detailed, but it should not be construed as a limitation on the scope of the patent application. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present application, several modifications and improvements can still be made, and these all belong to the protection scope of the present application. Therefore, the protection scope of the patent of the present application shall be subject to the appended claims.

Claims

1. A device for coating a wall anti-corrosion layer of a HVAC pipe, comprising a base plate (1), on which a clamping mechanism, a spraying mechanism and a paint box (11) are arranged, wherein the output end of the spraying mechanism faces the clamping mechanism, and the paint box (11) is connected to the spraying mechanism via a delivery pipe (14), characterized in that: The spraying mechanism comprises a support plate (2), the bottom of which is connected to the base plate (1), and a moving mechanism is arranged on the top of the support plate (2). A connecting pipe (16) is arranged at the end of the moving mechanism close to the clamping mechanism, one end of the connecting pipe (16) is connected to the delivery pipe (14) through a hose (15), and the other end is connected to the spraying pipe (17).

2. The device for coating the wall anti-corrosion layer of the HVAC pipe according to claim 1, characterized in that: The clamping mechanism comprises a support rod (26), the bottom of the support rod (26) being connected to the bottom plate (1), the top of the support rod being provided with a connection frame (27), both ends of the connection frame (27) being provided with telescopic cylinders (28), the output end of the telescopic cylinder (28) extending into the connection frame (27) and being provided with a clamping block (29).

3. The device for coating the wall anti-corrosion layer of the HVAC pipe according to claim 1, characterized in that: The moving mechanism comprises a first motor (23), a screw rod (21), a moving rod (22) and a limiting rod (25); the first motor (23) is fixedly connected to the upper part of the support plate (2); an output end of the first motor (23) is connected to the screw rod (21); one end of the screw rod (21) is provided with an external thread; the moving rod (22) has a cavity provided with an internal thread, a connecting block (24) is provided at the bottom of the cavity; the screw rod (21) and the moving rod (22) are connected via the external thread and the internal thread; the limiting rod (25) is provided below the moving rod (22); one end of the first motor (23) is connected to the support plate (2); and the limiting rod (25) is slidably connected to the moving rod (22) via the connecting block (24).

4. The device for coating the wall anti-corrosion layer of the HVAC pipe according to claim 1, characterized in that: The coating box (11) is provided with a feed port (12) and a discharge port (18); the discharge port (18) is provided with a pump (13); and one end of the delivery pipe (14) is connected to the pump (13).

5. The device for coating the wall anti-corrosion layer of the HVAC pipe according to claim 4, characterized in that: A second motor (32) is disposed on one side of the outside of the paint box (11), and its output end is connected to a rotating rod. The rotating rod is disposed inside the paint box (11), and one end of the rotating rod is rotatably connected to the inside of the paint box (11), and the other end of the rotating rod is connected to the output end of the second motor (32).

6. The device for coating the wall anticorrosion layer of the HVAC pipe according to claim 5, characterized in that: The rotating rod comprises a first rotating rod (3) and a second rotating rod (33); the output end of the first rotating rod (3) is connected to the second motor (32), and a plurality of first stirring rods (31) are arranged on the surface of the first rotating rod (3); the second rotating rod (33) is arranged above the first rotating rod (3), the output end of the first rotating rod (3) is connected to the second motor (32) via a belt (35), and a plurality of second stirring rods (34) are arranged on the surface of the second rotating rod (33).

Images