Coating delivery pipe assembly for a zinc-aluminum coating line

By designing a paint delivery pipeline assembly in the zinc-aluminum coating production line, and employing a V-shaped tube filter and a vortex assembly with a stirring mechanism, the problem of easy clogging of the paint delivery pipeline was solved, achieving uniform paint delivery, simplifying cleaning and maintenance, and improving production efficiency.

CN224397449UActive Publication Date: 2026-06-23KUNSHAN WEITELI SURFACE TREATMENT EQUIP CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
KUNSHAN WEITELI SURFACE TREATMENT EQUIP CO LTD
Filing Date
2025-08-30
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

The paint delivery pipeline components of existing zinc-aluminum coating production lines are prone to clogging due to solid particles in the paint, making cleaning and maintenance cumbersome and time-consuming.

Method used

A paint delivery pipeline assembly was designed, comprising a feed pipe, a filter mechanism, a mixing mechanism, a waste discharge component, and a cleaning component. Through V-shaped pipe filter, vortex component of the mixing mechanism, and backflushing cleaning, the paint is efficiently filtered and uniformly mixed, preventing clogging and simplifying cleaning and maintenance.

Benefits of technology

It effectively prevents paint clogging, ensures uniform paint delivery, simplifies the cleaning and maintenance process, and improves the stability and quality of paint delivery.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of paint delivery, disclose a paint delivery pipeline subassembly of zinc -aluminium coating production line, including feed pipe, the one end of feed pipe is provided with filter equipment, the filter equipment is used for filtering paint, the other end of filter equipment is provided with agitating unit, the agitating unit is used for making paint even, the filter equipment includes V -shaped tube, one end of V -shaped tube is linked with the one end of feed pipe, the bottom of V -shaped tube is provided with waste component, the inner wall of V -shaped tube is fixedly connected with fixed ring, the inner wall of fixed ring is rotatably connected with rotating component, one side of rotating component is provided with fixed component, in the utility model, filter the paint through the filter screen, intercept large particle, the filter screen rotates in the inner wall of fixed ring, the efficient use of filter screen, the filter screen is backflushed by nozzle, and the large particle blockage that falls along V -shaped tube to the lowest end and is discharged.
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Description

Technical Field

[0001] This utility model relates to the field of coating conveying technology, and in particular to coating conveying pipeline components for zinc-aluminum coating production lines. Background Technology

[0002] In modern industrial production, metal materials are widely used in various industries due to their high strength, good electrical and thermal conductivity. However, metals are highly susceptible to corrosion in harsh environments with high humidity and strong acids and alkalis, which can significantly shorten the service life of metal products and cause huge economic losses. To effectively address this problem, metal surface coating anti-corrosion technology has emerged. Zinc-aluminum coatings have been widely used in many fields due to their excellent corrosion resistance, lack of hydrogen embrittlement risk, and good environmental protection characteristics.

[0003] Early zinc-aluminum coating production lines relied primarily on simple gravity flow for paint delivery. Paint buckets were placed above the coating equipment, allowing the paint to flow naturally along pipes to the coating area. This method was simple and inexpensive, but the delivery speed and flow rate were difficult to control precisely, easily leading to uneven coating thickness and severely affecting coating quality. With continuous technological advancements, pump-driven paint delivery gradually replaced gravity flow. Pumps extract paint from storage tanks, pressurize it, and deliver it to pipes, enabling more stable control of paint delivery flow and pressure. However, existing paint delivery pipe components are prone to clogging due to solid particles in the paint, making cleaning and maintenance cumbersome and time-consuming. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a paint conveying pipeline assembly for a zinc-aluminum coating production line, aiming to improve the problem that the paint conveying pipeline assembly in the prior art is prone to blockage due to solid particles in the paint, and that cleaning and maintenance are cumbersome and time-consuming.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a paint conveying pipeline assembly for a zinc-aluminum coating production line, including a feed pipe, one end of which is provided with a filter mechanism for filtering the paint, and the other end of which is provided with a stirring mechanism for making the paint uniform.

[0006] The filtration mechanism includes a V-shaped tube, one end of which is connected to one end of the feed tube. A waste discharge component is provided at the bottom of the V-shaped tube. A fixing ring is fixedly connected to the inner wall of the V-shaped tube. A rotating component is rotatably connected to the inner wall of the fixing ring. A fixing component is provided on one side of the rotating component. A cleaning component is provided on the outer wall of the V-shaped tube. An air inlet is provided on the outer side of the cleaning component.

[0007] As a further description of the above technical solution:

[0008] The stirring mechanism includes a transition tube, one end of which is connected to one end of a V-shaped tube, and the other end of which is fixedly connected to the outer shell via a connecting component. A vortex component is provided on the left side of the inner wall of the outer shell, and a cross blade is fixedly connected to the right side of the inner wall of the outer shell. The other end of the outer shell is connected to a discharge pipe.

[0009] As a further description of the above technical solution:

[0010] The waste discharge assembly includes a waste discharge pipe, the top of which is connected to the bottom of a V-shaped pipe, and a valve is provided in the middle of the waste discharge pipe.

[0011] As a further description of the above technical solution:

[0012] The rotating assembly includes a frame, the outer wall of which is rotatably connected to the inner wall of the fixed ring, and a filter screen is fixedly connected to the middle of the frame.

[0013] As a further description of the above technical solution:

[0014] The fixing component includes a fixing post, which is fixed to the middle of the filter screen, and a spiral cone is fixedly connected to the outer wall of the fixing post.

[0015] As a further description of the above technical solution:

[0016] The cleaning assembly includes an annular pipe disposed on the outer wall of the feed pipe, and the outer wall of the annular pipe is provided with multiple nozzles.

[0017] As a further description of the above technical solution:

[0018] The connecting assembly includes flanges disposed at both ends of the transition pipe and the outer casing, and two adjacent flanges are fixedly connected by bolts.

[0019] As a further description of the above technical solution:

[0020] The vortex assembly includes a first blade, which is fixed to the left side of the inner wall of the outer shell, and a second blade is fixedly connected to the middle of the inner wall of the outer shell.

[0021] This utility model has the following beneficial effects:

[0022] 1. In this utility model, the coating is fed into the V-shaped tube from one end of the feed pipe. A filter screen is installed on the inner wall of the V-shaped tube to filter the coating, intercepting large particles and preventing them from entering the next process. A frame is fixedly connected to the outer wall of the filter screen to ensure the shape and strength of the filter screen. The filter screen rotates on the inner wall of the fixed ring. A fixed post and a spiral cone are fixedly connected to the middle of the filter screen. When the coating impacts the spiral cone, the spiral cone drives the filter screen and the frame to rotate on the inner wall of the fixed ring, achieving efficient utilization of the filter screen. When the filter screen is clogged, compressed gas is introduced into the air inlet. The compressed gas passes through the annular pipe and is finally sprayed by the nozzle to the left end of the filter screen for backflushing. The large particles of blockage that fall off fall down the V-shaped tube to the bottom. Opening the valve can discharge the large particles of impurities, thus achieving filtration and removal.

[0023] 2. In this utility model, the filtered coating enters the outer shell through the transition tube. Blade 1 and Blade 2 are arranged in opposite directions, so that when the coating passes through, it flows through the channel between Blade 1 and Blade 2 and quickly changes the flow direction, so that the coating is mixed evenly. The evenly mixed coating finally passes through the cross blade, which divides the fluid into a uniform flow stream, preventing the coating from agglomerating due to the eddies caused by Blade 2, making the zinc and aluminum particles more evenly distributed, which is convenient for subsequent coating use. Attached Figure Description

[0024] Figure 1 This is a front perspective view of the paint conveying pipeline assembly of the zinc-aluminum coating production line proposed in this utility model.

[0025] Figure 2 This is a partial structural exploded view of the rotating component of the paint conveying pipeline assembly in the zinc-aluminum coating production line proposed in this utility model;

[0026] Figure 3 This is a partial structural exploded view of the fixing component of the coating conveying pipeline assembly in the zinc-aluminum coating production line proposed in this utility model;

[0027] Figure 4 This is a partial structural diagram of the mixing mechanism of the coating conveying pipeline assembly in the zinc-aluminum coating production line proposed in this utility model.

[0028] Figure 5 This is a partial structural exploded view of the eddy current assembly of the coating conveying pipeline component in the zinc-aluminum coating production line proposed in this utility model.

[0029] Legend:

[0030] 1. Feed pipe; 2. Filtration mechanism; 201. V-shaped pipe; 202. Waste discharge assembly; 2021. Waste discharge pipe; 2022. Valve; 203. Fixing ring; 204. Rotating assembly; 2041. Frame; 2042. Filter screen; 205. Fixing assembly; 2051. Fixing pile; 2052. Spiral cone; 206. Cleaning assembly; 2061. Annular pipe; 2062. Nozzle; 207. Air inlet; 3. Stirring mechanism; 301. Transition pipe; 302. Connecting assembly; 3021. Flange; 3022. Bolt; 303. Housing; 304. Vortex assembly; 3041. Blade one; 3042. Blade two; 305. Cross blade; 306. Discharge pipe. Detailed Implementation

[0031] 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.

[0032] Please see the appendix Figure 1 - Appendix Figure 3 An embodiment of this utility model is provided: a paint conveying pipeline assembly for a zinc-aluminum coating production line, including a feed pipe 1, a filter mechanism 2 is provided at one end of the feed pipe 1 for filtering the paint, and a stirring mechanism 3 is provided at the other end of the filter mechanism 2 for making the paint uniform.

[0033] The filter mechanism 2 includes a V-shaped tube 201, one end of which is connected to one end of the feed pipe 1. A waste discharge component 202 is provided at the bottom of the V-shaped tube 201. A fixing ring 203 is fixedly connected to the inner wall of the V-shaped tube 201. A rotating component 204 is rotatably connected to the inner wall of the fixing ring 203. A fixing component 205 is provided on one side of the rotating component 204. A cleaning component 206 is provided on the outer wall of the V-shaped tube 201. An air inlet 207 is provided on the outer side of the cleaning component 206.

[0034] Specifically, a filter mechanism 2 is installed at one end of the feed pipe 1. The main function of the filter mechanism 2 is to efficiently filter the paint entering the pipe, ensuring the purity and quality of the paint. To further improve the uniformity of the paint, a stirring mechanism 3 is also equipped at the other end of the filter mechanism 2. The stirring mechanism 3 continuously stirs the paint to keep it in a uniform state during the conveying process. The filter mechanism 2 includes a V-shaped tube 201, one end of which is tightly connected to one end of the feed pipe 1 to ensure smooth flow of paint. A waste discharge component 202 is specially set at the bottom of the V-shaped tube 201 to promptly discharge the waste produced during the filtration process. To maintain the filtration effect, a fixed ring 203 is fixedly connected to the inner wall of the V-shaped tube 201. The inner wall of the fixed ring 203 is connected to a rotating component 204 by a rotatable connection. A fixed component 205 is also provided on one side of the rotating component 204 to stabilize the operation of the entire filtration mechanism 2. A cleaning component 206 is also installed on the outer wall of the V-shaped tube 201. An air inlet 207 is provided on the outer side of the cleaning component 206. The airflow introduced through the air inlet 207 can effectively clean the residual coating on the inner wall of the V-shaped tube 201, ensuring the long-term stable operation of the filtration mechanism 2 and the continuous high-quality output of the coating.

[0035] Please see the appendix Figure 4 - Appendix Figure 5 The stirring mechanism 3 includes a transition tube 301. One end of the transition tube 301 is connected to one end of the V-shaped tube 201. The other end of the transition tube 301 is fixedly connected to the outer shell 303 through the connecting component 302. A vortex component 304 is provided on the left side of the inner wall of the outer shell 303. A cross blade 305 is fixedly connected to the right side of the inner wall of the outer shell 303. The other end of the outer shell 303 is connected to the discharge pipe 306.

[0036] Specifically, the stirring mechanism 3 includes a transition pipe 301, one end of which is connected to one end of the V-shaped pipe 201, thus achieving communication between the two. The other end of the transition pipe 301 is fixedly connected to the outer shell 303 through a connecting component 302, ensuring the stability and sealing of the entire structure. A vortex component 304 is provided on the left side of the inner wall of the outer shell 303, the main function of which is to generate vortices to enhance the stirring effect. A cross blade 305 is fixedly connected on the right side of the inner wall of the outer shell 303. The arrangement of these blades helps to improve the uniformity and efficiency of stirring. The other end of the outer shell 303 is connected to a discharge pipe 306, so that the stirred material can be discharged smoothly.

[0037] Please see the appendix Figure 1 - Appendix Figure 3The waste discharge assembly 202 includes a waste discharge pipe 2021, the top of which is connected to the bottom of a V-shaped pipe 201. A valve 2022 is provided in the middle of the waste discharge pipe 2021. The rotating assembly 204 includes a frame 2041, the outer wall of which is rotatably connected to the inner wall of a fixing ring 203. A filter screen 2042 is fixedly connected in the middle of the frame 2041. The fixing assembly 205 includes a fixing post 2051, which is fixed in the middle of the filter screen 2042. A spiral cone 2052 is fixedly connected to the outer wall of the fixing post 2051.

[0038] Specifically, the waste discharge assembly 202 includes a waste discharge pipe 2021. The top part of the waste discharge pipe 2021 is connected to the bottom part of the V-shaped pipe 201 to ensure smooth discharge of waste liquid. A valve 2022 is installed in the middle of the waste discharge pipe 2021. The valve 2022 is used to control the flow of waste liquid in the waste discharge pipe 2021, ensuring that the waste discharge channel can be effectively opened or closed when needed. The rotating assembly 204 is mainly composed of a frame 2041. The outer wall of the frame 2041 is connected to the inner wall of the fixing ring 203 by a rotating connection, so that the frame... The frame 2041 can rotate freely within the fixing ring 203. A filter screen 2042 is fixedly connected to the middle of the frame 2041. The filter screen 2042 is used to filter the flowing liquid and ensure that impurities are effectively intercepted. The fixing component 205 includes a fixing post 2051, which is fixed to the middle of the filter screen 2042 to provide stable support. A spiral cone 2052 is fixedly connected to the outer wall of the fixing post 2051. The spiral cone 2052 is used to further assist in fixing and guiding the flow of liquid, ensuring the smoothness and efficiency of the entire waste discharge and filtration process.

[0039] Please see the appendix Figure 3 - Appendix Figure 5 The cleaning component 206 includes an annular pipe 2061, which is disposed on the outer wall of the feed pipe 1. Multiple nozzles 2062 are disposed on the outer wall of the annular pipe 2061. The connecting component 302 includes flanges 3021, which are disposed at both ends of the transition pipe 301 and the outer shell 303. Two adjacent flanges 3021 are fixedly connected by bolts 3022. The vortex component 304 includes blade 1 3041, which is fixed on the left side of the inner wall of the outer shell 303. Blade 2 3042 is fixedly connected to the middle of the inner wall of the outer shell 303.

[0040] Specifically, the cleaning component 206 mainly consists of an annular pipe 2061, which is installed around the feed pipe 1. Multiple nozzles 2062 are evenly distributed on the outer wall of the annular pipe 2061. The main function of these nozzles 2062 is to spray high-pressure airflow to efficiently clean the outer wall of the feed pipe 1. The connecting component 302 consists of a flange 3021, which is installed at both ends of the transition pipe 301 and the outer shell 303. The two flanges 3021 are fixedly connected by bolts 3022. This connection method is both firm and easy to disassemble, greatly improving the efficiency of the equipment. The vortex component 304 consists of blade one 3041 and blade two 3042. Blade one 3041 is fixed on the left side of the inner wall of the outer shell 303, and blade two 3042 is fixed in the middle of the inner wall of the outer shell 303. The main function of these two blades is to generate vortices, thereby fully mixing and stirring the material in the feed pipe 1 and improving the material processing effect.

[0041] Working principle: The paint is fed into the V-shaped tube 201 from one end of the feed pipe 1. A filter screen 2042 is installed on the inner wall of the V-shaped tube 201. The filter screen 2042 filters the paint, intercepting large particles and preventing them from entering the next process. A frame 2041 is fixedly connected to the outer wall of the filter screen 2042 to ensure its shape and strength. The filter screen 2042 rotates within the inner wall of the fixing ring 203. A fixing post 2051 and a spiral cone 2052 are fixedly connected to the middle of the filter screen 2042. When the paint impacts the spiral cone 2052... At 52, the spiral cone 2052 drives the filter screen 2042 and the frame 2041 to rotate on the inner wall of the fixed ring 203, realizing the efficient use of the filter screen 2042. When the filter screen 2042 is blocked, compressed gas is introduced into the air inlet 207. The compressed gas passes through the annular pipe 2061 and is finally sprayed by the nozzle 2062 towards the left end of the filter screen 2042 for backflushing. The large particles of blockage that fall off fall down along the V-shaped pipe 201 to the bottom. Opening the valve 2022 can discharge the large particles of impurities, thus achieving filtration and removal.

[0042] The filtered coating enters the outer casing 303 through the transition pipe 301. Blade 1 3041 and Blade 2 3042 are arranged in opposite directions, so that the coating flows through the channel between Blade 1 3041 and Blade 2 3042 and quickly changes the flow direction, so that the coating is evenly mixed. The evenly mixed coating finally passes through the cross blade 305. The cross blade 305 divides the fluid into a uniform flow stream, preventing the coating from agglomerating due to the eddies caused by Blade 2 3042, so that the zinc and aluminum particles are more evenly distributed, which is convenient for subsequent coating use.

[0043] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model 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 embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A coating delivery pipe assembly for a zinc-aluminum coating line, comprising an inlet pipe (1), characterized in that: A filter mechanism (2) is provided at one end of the feed pipe (1), which is used to filter the coating. A stirring mechanism (3) is provided at the other end of the filter mechanism (2), which is used to make the coating uniform. The filtration mechanism (2) includes a V-shaped tube (201), one end of which is connected to one end of the feed pipe (1). A waste discharge component (202) is provided at the bottom of the V-shaped tube (201). A fixing ring (203) is fixedly connected to the inner wall of the V-shaped tube (201). A rotating component (204) is rotatably connected to the inner wall of the fixing ring (203). A fixing component (205) is provided on one side of the rotating component (204). A cleaning component (206) is provided on the outer wall of the V-shaped tube (201). An air inlet (207) is provided on the outer side of the cleaning component (206).

2. The coating delivery pipe assembly for a zinc-aluminum coating line according to claim 1, characterized in that: The stirring mechanism (3) includes a transition tube (301), one end of which is connected to one end of a V-shaped tube (201), and the other end of which is fixedly connected to the outer shell (303) via a connecting assembly (302). A vortex assembly (304) is provided on the left side of the inner wall of the outer shell (303), and a cross blade (305) is fixedly connected to the right side of the inner wall of the outer shell (303). The other end of the outer shell (303) is connected to a discharge pipe (306).

3. The coating delivery pipe assembly for a zinc-aluminum coating line according to claim 1, characterized in that: The waste discharge assembly (202) includes a waste discharge pipe (2021), the top of which is connected to the bottom of a V-shaped pipe (201), and a valve (2022) is provided in the middle of the waste discharge pipe (2021).

4. The coating delivery pipe assembly for a zinc-aluminum coating line according to claim 1, characterized in that: The rotating assembly (204) includes a frame (2041), the outer wall of which is rotatably connected to the inner wall of the fixing ring (203), and a filter screen (2042) is fixedly connected to the middle of the frame (2041).

5. The coating delivery pipe assembly for a zinc-aluminum coating line according to claim 4, characterized in that: The fixing component (205) includes a fixing post (2051), which is fixed in the middle of the filter screen (2042), and a spiral cone (2052) is fixedly connected to the outer wall of the fixing post (2051).

6. The coating delivery pipe assembly for a zinc-aluminum coating line according to claim 1, characterized in that: The cleaning assembly (206) includes an annular pipe (2061) disposed on the outer wall of the feed pipe (1), and the outer wall of the annular pipe (2061) is provided with a plurality of nozzles (2062).

7. The coating delivery pipe assembly for a zinc-aluminum coating line according to claim 2, characterized in that: The connecting assembly (302) includes flanges (3021), which are disposed at both ends of the transition pipe (301) and the outer shell (303), and two adjacent flanges (3021) are fixedly connected by bolts (3022).

8. The coating delivery pipe assembly for a zinc-aluminum coating line according to claim 2, characterized in that: The vortex assembly (304) includes a first blade (3041), which is fixed to the left side of the inner wall of the outer shell (303), and a second blade (3042) is fixedly connected to the middle of the inner wall of the outer shell (303).