A device for spraying zinc layer on hot galvanized surface of steel grating

Abstract

The utility model relates to steel grating processing technical field, concretely discloses a kind of steel grating hot galvanizing surface zinc layer uniform spraying device, including spray gun, the surface of spray gun is equipped with spray head subassembly, the spray head subassembly includes the round pipe installed in the surface of spray gun, the inner wall of the round pipe is rotatably connected with rotating ring, the inner wall of the rotating ring is installed with connecting pipe, the one end of connecting pipe far from spray gun is communicated with spray nozzle, the inner wall of connecting pipe is fixedly connected with multiple guide vanes, the inside of spray nozzle is equipped with first passageway and second passageway.The utility model is by being provided with a circle guide vane in connecting pipe inner wall, when zinc material is sprayed into connecting pipe, under the action of compressed air flow, connecting pipe can be rotated, and under the adjusting effect of baffle, zinc material can be sprayed from second passageway, and by means of the rotation of connecting pipe, the effect that the inner wall of steel grating surface hole is quickly sprayed is reached.

Description

Technical Field

[0001] This utility model belongs to the field of steel grating processing technology, specifically relating to a device for uniformly spraying zinc layer on the hot-dip galvanized surface of steel grating. Background Technology

[0002] Steel grating, also known as steel grid plate, is a steel product with square grids in the middle, made of flat steel bars and crossbars arranged at certain intervals and welded together.

[0003] Hot-dip galvanizing utilizes the electrochemical properties of zinc. When zinc is applied to the surface of a steel grating, it first reacts with the steel in an oxidation reaction, thus preventing the steel grating substrate from corroding. Simultaneously, the zinc layer forms a dense zinc oxide film in the air, further isolating it from air and moisture, enhancing its corrosion resistance.

[0004] When galvanizing steel gratings, workers hold spray guns and spray the surface of the gratings. Because the surface of the steel gratings is full of holes, it is difficult for the zinc sprayed from the spray gun to directly cover the inner wall of the holes. Most of the zinc is intercepted by the flat part of the steel grating. At this time, workers need to insert the nozzle of the spray gun into each hole and repeatedly adjust the angle of the spray gun to make the zinc cover the inner wall of the hole. The operation is cumbersome. Utility Model Content

[0005] The purpose of this invention is to provide a device for uniformly spraying zinc layer on the hot-dip galvanized surface of steel grating, so as to solve the problem that existing spray guns are not convenient for quickly covering the inner wall of the holes on the surface of steel grating when spraying.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A device for uniformly spraying zinc layer on hot-dip galvanized steel grating includes a spray gun. The surface of the spray gun is provided with a nozzle assembly. The nozzle assembly includes a circular tube installed on the surface of the spray gun. A rotating ring is rotatably connected to the inner wall of the circular tube. A connecting pipe is installed on the inner wall of the rotating ring. The end of the connecting pipe away from the spray gun is connected to a nozzle. Multiple guide vanes are fixedly connected to the inner wall of the connecting pipe. The nozzle has a first channel and a second channel inside.

[0008] Preferably, the first channel and the second channel are connected, a rotating rod is rotatably connected to the inner wall of the first channel, the top end of the rotating rod rotatably passes through the nozzle and is fixedly connected to a fixing plate, and a baffle is fixedly connected to the arc surface of the rotating rod.

[0009] Preferably, the end face of the fixing plate is threaded with a screw, and the end face of the nozzle has two locking holes adapted to the screw.

[0010] Preferably, the inner arc surface of the rotating ring is fixedly connected to four fixing blocks, and the arc surface of the connecting pipe is provided with four grooves that are adapted to the fixing blocks.

[0011] Preferably, a magnetic block is fixedly connected to the inner wall of the groove.

[0012] Preferably, the plurality of guide vanes are circumferentially distributed on the inner arc surface of the connecting pipe.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model provides a guide plate on the inner wall of the connecting pipe, which allows the connecting pipe to rotate under the action of compressed air when zinc material is sprayed into it. With the adjustment of the baffle, the zinc material can be sprayed out from the second channel. The rotation of the connecting pipe achieves the effect of quickly spraying the inner wall of the holes on the surface of the steel grating, minimizing the need for workers to frequently adjust the spray gun angle.

[0015] 2. This utility model achieves the effect of quick assembly and disassembly of the connecting pipe through the engagement of the fixing block and the groove, as well as the magnetic attraction of the magnetic block. This allows workers to disassemble the connecting pipe, facilitates the cleaning of the guide plate, and minimizes the possibility of excessive zinc material covering the guide plate, which could affect the rotation of the connecting pipe. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This utility model Figure 1 Partial structural diagram;

[0018] Figure 3 This is a cross-sectional planar structural diagram of the nozzle of this utility model;

[0019] Figure 4 This is a schematic diagram of the circular tube structure of this utility model;

[0020] Figure 5 This is a partial structural diagram of the connecting pipe of this utility model.

[0021] In the diagram: 1. Spray gun; 2. Nozzle assembly; 201. Round tube; 202. Rotating ring; 203. Connecting pipe; 204. Nozzle; 205. First channel; 206. Second channel; 207. Guide vane; 208. Rotating rod; 209. Baffle; 210. Fixing plate; 211. Screw; 212. Clip hole; 213. Groove; 214. Fixing block; 215. Magnetic block. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Reference Figures 1-5 As shown, this utility model provides a device for uniformly spraying zinc layer on the hot-dip galvanized surface of steel grating, including a spray gun 1. The surface of the spray gun 1 is provided with a nozzle assembly 2. The nozzle assembly 2 includes a circular tube 201 installed on the surface of the spray gun 1. A rotating ring 202 is rotatably connected to the inner wall of the circular tube 201. A connecting pipe 203 is installed on the inner wall of the rotating ring 202. The end of the connecting pipe 203 away from the spray gun 1 is connected to a nozzle 204. A plurality of guide vanes 207 are fixedly connected to the inner wall of the connecting pipe 203. The nozzle 204 has a first channel 205 and a second channel 206 inside.

[0024] In this embodiment, the spray gun 1 is existing technology and requires external pipes, power supply and other equipment, which will not be described in detail here. The rotating ring 202 and the round tube 201 are only rotatably connected and have no other connection relationship. It is very easy to rotate and can be connected by bearings. The first channel 205 and the second channel 206 correspond to two spray holes respectively. The first channel 205 and the second channel 206 are connected. Multiple guide vanes 207 are circumferentially distributed on the inner arc surface of the connecting tube 203. During the zinc material spraying process, a compressed airflow will be sprayed out. When the compressed airflow enters the connecting tube 203, it will come into contact with multiple guide vanes 207. Under the guidance of the guide vanes 207, the connecting tube 203 will drive the nozzle 204 to rotate.

[0025] In an optional embodiment: a rotating rod 208 is rotatably connected to the inner wall of the first channel 205, the top end of the rotating rod 208 rotatably passes through the nozzle 204 and is fixedly connected to a fixing plate 210, a baffle 209 is fixedly connected to the arc surface of the rotating rod 208, a screw 211 is threadedly connected to the end face of the fixing plate 210, and two locking holes 212 adapted to the screw 211 are opened on the end face of the nozzle 204.

[0026] It should be noted that by rotating the fixing plate 210, the position of the baffle 209 can be adjusted to achieve the effect of adjusting the zinc material spraying position. By turning the screw 211, the screw 211 is driven by the thread to lock into the locking hole 212, thereby stabilizing the position of the baffle 209.

[0027] In an optional embodiment: four fixing blocks 214 are fixedly connected to the inner arc surface of the rotating ring 202, and four grooves 213 adapted to the fixing blocks 214 are opened on the arc surface of the connecting pipe 203. A magnetic block 215 is fixedly connected to the inner wall of the groove 213.

[0028] It should be noted that by sliding the fixing block 214 into the groove 213, the connecting pipe 203 can be installed quickly. The fixing block 214 is made of iron material and attracts each other with the magnetic block 215, which further improves the stability of the connecting pipe 203, so that the staff can disassemble the connecting pipe 203 and clean the guide plate 207. This avoids the situation where excessive zinc material on the guide plate 207 affects the rotation of the connecting pipe 203.

[0029] The working principle of this utility model is as follows: During use, the operator connects the spray gun 1 to external pipes, power supply, and other equipment. By pressing the trigger on the spray gun 1, zinc material is sprayed out to coat the surface of the steel grating. Initially, the baffle 209 blocks the second channel 206, so the zinc material is sprayed out from the first channel 205. By turning the screw 211, the screw 211 is driven by the thread to engage with the locking hole 212, stabilizing the position of the baffle 209. After the steel grating surface is coated, when it is necessary to coat the inner walls of the holes on the steel grating surface, the screw 211 is disengaged from the locking hole 212, and the fixing plate 210 is rotated to block the first channel 205 with the baffle 209. Then, the screw 211 is turned again to engage with the first channel 205. 11. Insert the nozzle 204 into the corresponding hole 212 to secure the baffle 209. Then, insert the nozzle 204 into the hole on the surface of the steel grating and press the trigger. The zinc material will be sprayed out from the nozzle of the second channel 206 and sprayed directly onto the side wall of the hole on the surface of the steel grating. During the spraying of the zinc material, a compressed airflow will also be sprayed out. When the compressed airflow enters the connecting pipe 203, it will come into contact with multiple guide plates 207. Under the guidance of the guide plates 207, the connecting pipe 203 will drive the nozzle 204 to rotate. Then the zinc material sprayed from the second channel 206 will rotate and rotate in the hole on the surface of the steel grating, which facilitates direct spraying of the inner wall of the hole on the surface of the steel grating and minimizes the need to frequently adjust the angle of the spray gun 1.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing specific embodiments or make equivalent substitutions for some of the technical features. Any equivalent structures made using the content of this utility model specification and drawings, whether directly or indirectly applied to other related technical fields, are similarly within the scope of protection of this utility model patent.

Claims

1. A device for uniformly spraying zinc layer onto the hot-dip galvanized surface of steel grating, comprising a spray gun (1), characterized in that, The surface of the spray gun (1) is provided with a nozzle assembly (2). The nozzle assembly (2) includes a circular tube (201) installed on the surface of the spray gun (1). A rotating ring (202) is rotatably connected to the inner wall of the circular tube (201). A connecting pipe (203) is installed on the inner wall of the rotating ring (202). A nozzle (204) is connected to one end of the connecting pipe (203) away from the spray gun (1). A plurality of guide vanes (207) are fixedly connected to the inner wall of the connecting pipe (203). A first channel (205) and a second channel (206) are opened inside the nozzle (204).

2. The device for uniformly spraying zinc layer on the hot-dip galvanized surface of steel grating according to claim 1, characterized in that: The first channel (205) and the second channel (206) are connected. The inner wall of the first channel (205) is rotatably connected to a rotating rod (208). The top end of the rotating rod (208) rotates through the nozzle (204) and is fixedly connected to a fixing plate (210). The arc surface of the rotating rod (208) is fixedly connected to a baffle (209).

3. The device for uniformly spraying zinc layer on the hot-dip galvanized surface of steel grating according to claim 2, characterized in that: The end face of the fixing plate (210) is threaded with a screw (211), and the end face of the nozzle (204) has two locking holes (212) that are adapted to the screw (211).

4. The device for uniformly spraying zinc layer on the hot-dip galvanized surface of steel grating according to claim 1, characterized in that: The inner arc surface of the rotating ring (202) is fixedly connected to four fixing blocks (214), and the arc surface of the connecting pipe (203) is provided with four grooves (213) that are adapted to the fixing blocks (214).

5. The device for uniformly spraying zinc layer on the hot-dip galvanized surface of steel grating according to claim 4, characterized in that: A magnetic block (215) is fixedly connected to the inner wall of the groove (213).

6. The device for uniformly spraying zinc layer on the hot-dip galvanized surface of steel grating according to claim 1, characterized in that: Multiple guide vanes (207) are circumferentially distributed on the inner arc surface of the connecting pipe (203).

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