PU coating particle screening device

By introducing a combination of support frame, damping spring, vibration motor and cleaning mechanism into the PU coating particle screening device, the problem of impurities accumulating on the filter screen is solved, achieving efficient automatic cleaning and screening, and improving screening efficiency and discharge convenience.

CN224010418UActive Publication Date: 2026-03-20CHENGDU YOUPIN CHEM CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-11
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

When using existing PU coating particle screening devices, the filter screen is easily clogged with particle impurities, resulting in low screening efficiency and affecting user experience.

Method used

A PU coating particle screening device was designed, which adopts a combination structure of support frame, vibration damping spring, vibration motor, filter screen, cleaning mechanism and sewage pipe. The vibration motor drives the tank to vibrate, which accelerates the flow of coating. The scraper cleans the impurities on the surface of the filter screen. The impurities are discharged through the sewage pipe, realizing automatic cleaning and improving screening efficiency.

Benefits of technology

It effectively realizes the automatic cleaning function of the filter screen, improves screening efficiency, reduces noise pollution, ensures the cleanliness of the filter screen, and improves the efficiency of the screening process and the convenience of coating discharge.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a PU coating particle screening device, and belongs to the technical field of coating production equipment. The PU coating particle screening device comprises a tank body, a supporting frame is installed on the outer side of the tank body, a plurality of damping springs are installed at the bottom end of the supporting frame, a bottom frame is installed at the bottom ends of the damping springs, four supporting columns are installed at the bottom end of the bottom frame, a feeding opening is formed in the top end of the tank body, and a discharging pipe is installed at the bottom end of the tank body. A first valve is installed at one end of the discharging pipe, a plurality of filter screens are installed on the inner side of the tank body at intervals in the vertical direction, a cleaning mechanism used for cleaning the filter screens is arranged on the inner side of the tank body, a plurality of blow-off pipes used for removing impurities on the filter screens are installed on one side of the tank body, and a second valve is installed at one end of each blow-off pipe. According to the automatic cleaning device, the automatic cleaning function of the filter screen can be effectively achieved, the screening efficiency is improved, and the automatic cleaning device has high practical value.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of paint production equipment, specifically is a PU paint particle screening device. BACKGROUND

[0002] PU paint is polyurethane paint, in the production process of PU paint, due to raw material mixing, reaction and other processes, the paint made is often mixed with particle impurities of different particle sizes, if these particle impurities are not removed, the quality and use effect of PU paint will be seriously affected. For example, during paint spraying, larger particles can cause the spraying gun to be blocked, making the spraying uneven, affecting the flatness and aesthetics of the coating layer, smaller particles can not immediately cause the spraying gun to be blocked, but can form flaws on the surface of the coating layer, reducing the protective performance and gloss of the coating layer, therefore, PU paint particles need to be screened.

[0003] Based on the above, the present inventor found that the following problems exist: the current PU paint particle screening device is prone to particle impurities accumulation on the filter screen during use, resulting in low screening efficiency and affecting user use.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a PU paint particle screening device is provided to achieve a more practical value. INNOVATION CONTENT

[0005] The utility model aims at providing a PU paint particle screening device to solve the problem of the current PU paint particle screening device in the background art, which is prone to particle impurities accumulation on the filter screen during use, resulting in low screening efficiency and affecting user use.

[0006] In view of the above problems, the technical scheme provided by the utility model is as follows:

[0007] A PU paint particle screening device, comprising a tank body, a support frame is installed on the outside of the tank body, a plurality of damping springs are installed at the bottom end of the support frame, a chassis is installed at the bottom end of the damping springs, four support columns are installed at the bottom end of the chassis, a feed inlet is installed at the top end of the tank body, a discharge pipe is installed at the bottom end of the tank body, a first valve is installed at one end of the discharge pipe, a plurality of filter screens are installed at the inside of the tank body along the vertical direction, a cleaning mechanism for cleaning the filter screens is arranged at the inside of the tank body, a plurality of blowdown pipes for removing impurities on the filter screens are installed on one side of the tank body, a second valve is installed at one end of the blowdown pipes, and a vibration motor is installed on both sides of the tank body.

[0008] Further, the cleaning mechanism comprises a rotating shaft, the top end of the rotating shaft is rotatably connected with the inner top end of the tank body, the bottom end of the rotating shaft penetrates through the bottom end of the filter screen, and a plurality of scraping rods are installed on the outer side of the rotating shaft, and the bottom end of the scraping rod is in contact with the top end of the filter screen.

[0009] The beneficial effect of the above further scheme is that the plurality of scraping rods are installed on the outer side of the rotating shaft, so that the rotating shaft can clean the surface of the filter screen, and the impurities can enter the pollution discharge pipe.

[0010] Further, the top end of the tank body is provided with a driving motor, and the output end of the driving motor is fixedly connected with the top end of the rotating shaft.

[0011] The beneficial effect of the above further scheme is that the output end of the driving motor is fixedly connected with the top end of the rotating shaft, so that the rotating shaft can be electrically rotated.

[0012] Further, the plurality of pollution discharge pipes are staggered, and the pollution discharge pipes are downwardly inclined.

[0013] The beneficial effect of the above further scheme is that the plurality of pollution discharge pipes are staggered, so that the impurities at different positions can be effectively discharged, the efficiency of discharging the impurities is improved, and the impurities are conveniently collected.

[0014] Further, the bottom end of the tank body is conical.

[0015] The beneficial effect of the above further scheme is that the bottom end of the tank body is conical, which is beneficial to the collection of the screened paint to the discharge pipe, facilitates the discharge, and reduces the residual paint in the tank body.

[0016] Further, the bottom end of the support column is provided with a support seat, and the bottom end of the support seat is provided with anti-skid textures.

[0017] The beneficial effect of the above further scheme is that the bottom end of the support column is provided with the support seat, so that the placing stability of the device is improved.

[0018] Further, the top end of the tank body is provided with a detachable tank cover.

[0019] Compared with the prior art, the PU coating particle screening device has the advantages that the bottom end of the support frame is provided with a plurality of damping springs, vibration generated in the screening process is reduced and transmitted to the base frame and the ground, noise and influence on the surrounding environment are reduced, the top end of the tank body is provided with a feeding port, tank body feeding is realized, the bottom end of the tank body is provided with a discharge pipe for discharging qualified PU coating after screening, one end of the discharge pipe is provided with a first valve, the discharge pipe is opened and closed, the inner side of the tank body is provided with a plurality of filter screens for screening PU coating particles, one side of the tank body is provided with a plurality of blowdown pipes for removing impurities on the filter screens, impurities intercepted on the filter screens are discharged, the cleanliness of the filter screens is maintained, the two sides of the tank body are provided with vibration motors, vibration of the tank body is generated, the flow of PU coating on the filter screens and the screening process are accelerated, and the screening efficiency is improved, the outer side of the rotating shaft is provided with a plurality of scraper rods, the rotating shaft is rotated to clean the surface of the filter screens, and the impurities are discharged into the blowdown pipes, the output end of the driving motor and the top end of the rotating shaft are fixedly connected, the rotating shaft is electrically rotated, the plurality of blowdown pipes are staggered, impurities at different positions are effectively discharged, the efficiency of discharging impurities is improved, the impurities are conveniently collected, the bottom end of the tank body is in a conical style, the PU coating after screening is conveniently collected to the discharge pipe, the PU coating is conveniently discharged, the residual PU coating in the tank body is reduced, the bottom end of the support column is provided with a support seat, the placing stability of the device is improved, the device can effectively realize automatic cleaning of the filter screens, the screening efficiency is improved, and the device has high practical value. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A three-dimensional structure schematic view disclosed by the utility model embodiment is shown in the figure.

[0021] Figure 2 A three-dimensional structure schematic view disclosed by the utility model embodiment is shown in the figure.

[0022] Figure 3 A tank body cross-sectional three-dimensional structure schematic view disclosed by the utility model embodiment is shown in the figure.

[0023] Figure 4 A structure amplification schematic view of the middle A structure disclosed by the utility model embodiment is shown in the figure. Figure 2

[0024] In the figure: 100, tank body; 10001, feeding port; 10002, discharge pipe; 10003, first valve; 10004, blowdown pipe; 10005, second valve; 101, support frame; 102, damping spring; 103, base frame; 104, support column; 105, support seat; 106, vibration motor; 107, filter screen; 108, cleaning mechanism; 10801, rotating shaft; 10802, scraper rod; 10803, driving motor. ​DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0026] Please refer to Figures 1-4 The present application provides a technical solution: a PU coating particle screening device, which comprises a tank body 100, a support frame 101 is installed on the outer side of the tank body 100, a plurality of damping springs 102 are installed at the bottom end of the support frame 101, a bottom frame 103 is installed at the bottom end of the damping spring 102, four support columns 104 are installed at the bottom end of the bottom frame 103, a feeding port 10001 is installed at the top end of the tank body 100, a discharge pipe 10002 is installed at the bottom end of the tank body 100, a first valve 10003 is installed at one end of the discharge pipe 10002, a plurality of filter screens 107 are installed on the inner side of the tank body 100 in a vertical direction, a cleaning mechanism 108 for cleaning the filter screen 107 is arranged on the inner side of the tank body 100, a plurality of blowdown pipes 10004 for removing impurities on the filter screen 107 are installed on one side of the tank body 100, a second valve 10005 is installed at one end of the blowdown pipe 10004, vibration motors 106 are installed on both sides of the tank body 100, a plurality of damping springs 102 are installed at the bottom end of the support frame 101 to reduce the vibration generated during the screening process and transmitted to the bottom frame 103 and the ground, thereby reducing noise and the impact on the surrounding environment, a feeding port 10001 is installed at the top end of the tank body 100 to realize feeding of the tank body 100, a discharge pipe 10002 is installed at the bottom end of the tank body 100 to discharge qualified PU coating after screening, a first valve 10003 is installed at one end of the discharge pipe 10002 to realize switching of the discharge pipe 10002, a plurality of filter screens 107 are installed on the inner side of the tank body 100 to screen PU coating particles, a plurality of blowdown pipes 10004 for removing impurities on the filter screen 107 are installed on one side of the tank body 100 to discharge the intercepted impurities on the filter screen 107 and keep the filter screen 107 clean, and vibration motors 106 are installed on both sides of the tank body 100 to make the tank body 100 vibrate, accelerate the flow of PU coating on the filter screen 107, and improve the screening efficiency.

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0028] Please refer to Figures 1-4 The cleaning mechanism 108 comprises a rotating shaft 10801, the top end of the rotating shaft 10801 is rotationally connected to the inner top end of the tank body 100, the bottom end of the rotating shaft 10801 penetrates through the bottom end of the filter screen 107, a plurality of scraper rods 10802 are installed on the outer side of the rotating shaft 10801, the bottom end of the scraper rod 10802 is in contact with the top end of the filter screen 107, the top end of the tank body 100 is provided with a driving motor 10803, the output end of the driving motor 10803 is fixedly connected to the top end of the rotating shaft 10801, the plurality of scraper rods 10802 are installed on the outer side of the rotating shaft 10801, so that the rotation of the rotating shaft 10801 can clean the surface of the filter screen 107, and at the same time, the impurities enter the sewage pipe 10004, and the output end of the driving motor 10803 is fixedly connected to the top end of the rotating shaft 10801, so that the rotating shaft 10801 is electrically rotated.

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0030] Please refer to Figures 1-4 The plurality of sewage pipes 10004 are staggered and distributed, the sewage pipe 10004 is in a downward inclined style, the bottom end of the tank body 100 is in a conical style, the bottom end of the sewage pipe 10004 is located at the top end of the filter screen 107, the bottom end of the supporting column 104 is provided with a supporting seat 105, the bottom end of the supporting seat 105 is provided with anti-skid textures, the top end of the tank body 100 is provided with a detachable tank cover, the plurality of sewage pipes 10004 are staggered and distributed, so that the impurities at different positions can be effectively discharged, the efficiency of discharging the impurities is improved, the impurities are conveniently collected, the bottom end of the tank body 100 is in a conical style, which is beneficial to the collection of the screened coating to the discharge pipe 10002, the coating is conveniently discharged, the residual coating in the tank body 100 is reduced, and the supporting seat 105 is installed at the bottom end of the supporting column 104, so that the placing stability of the device is improved.

[0031] Specifically, the working principle of the PU coating particle screening device is as follows: when in use, a plurality of damping springs 102 are installed at the bottom end of the support frame 101 to reduce the vibration generated during the screening process and transmitted to the base frame 103 and the ground, thereby reducing noise and the influence on the surrounding environment; a feeding port 10001 is installed at the top end of the tank body 100 to realize feeding of the tank body 100; a discharge pipe 10002 is installed at the bottom end of the tank body 100 to discharge qualified PU coating after screening; a first valve 10003 is installed at one end of the discharge pipe 10002 to realize opening and closing of the discharge pipe 10002; a plurality of filter screens 107 are installed inside the tank body 100 to screen PU coating particles; a plurality of blowdown pipes 10004 for removing impurities on the filter screens 107 are installed on one side of the tank body 100 to discharge the intercepted impurities on the filter screens 107 and keep the filter screens 107 clean; vibration motors 106 are installed on both sides of the tank body 100 to make the tank body 100 vibrate, accelerate the flow and screening process of the PU coating on the filter screens 107, and improve the screening efficiency; a plurality of scraper rods 10802 are installed on the outer side of the rotating shaft 10801 to clean the surface of the filter screens 107 when the rotating shaft 10801 rotates, and at the same time, the impurities enter the blowdown pipes 10004; the output end of the driving motor 10803 is fixedly connected with the top end of the rotating shaft 10801 to realize electric rotation of the rotating shaft 10801; the blowdown pipes 10004 are distributed alternately to effectively discharge impurities at different positions, improve the efficiency of impurity discharge, facilitate collection of the impurities, and facilitate the discharge of the coating, reduce the residue of the coating in the tank body 100, and improve the placing stability of the device; the bottom end of the support column 104 is provided with a support seat 105; the device can effectively realize automatic cleaning of the filter screens, improve the screening efficiency, and has high practical value.

Claims

1. A PU coating particle screening device, characterized in that, The system includes a tank body (100), a support frame (101) mounted on the outside of the tank body (100), several damping springs (102) mounted on the bottom end of the support frame (101), a base frame (103) mounted on the bottom end of the damping springs (102), four support columns (104) mounted on the bottom end of the base frame (103), a feed inlet (10001) mounted on the top end of the tank body (100), and a discharge pipe (10002) mounted on the bottom end of the tank body (100). One end of the discharge pipe (10002) is equipped with... The tank (100) has a first valve (10003), and several filter screens (107) are installed vertically on the inner side of the tank (100). The inner side of the tank (100) is provided with a cleaning mechanism (108) for cleaning the filter screens (107). Several drain pipes (10004) for removing impurities from the filter screens (107) are installed on one side of the tank (100). A second valve (10005) is installed at one end of the drain pipes (10004). Vibration motors (106) are installed on both sides of the tank (100).

2. The PU coating particle screening device according to claim 1, characterized in that, The cleaning mechanism (108) includes a rotating shaft (10801), the top end of which is rotatably connected to the inner top end of the tank (100), the bottom end of which penetrates the bottom end of the filter screen (107), and several scrapers (10802) are installed on the outside of the rotating shaft (10801), the bottom end of which contacts the top end of the filter screen (107).

3. The PU coating particle screening device according to claim 2, characterized in that, A drive motor (10803) is installed at the top of the tank (100), and the output end of the drive motor (10803) is fixedly connected to the top of the rotating shaft (10801).

4. The PU coating particle screening device according to claim 1, characterized in that, The sewage pipes (10004) are staggered among each other, and the sewage pipes (10004) are inclined downwards.

5. The PU coating particle screening device according to claim 1, characterized in that, The bottom of the tank (100) is conical.

6. The PU coating particle screening device according to claim 1, characterized in that, The bottom end of the drain pipe (10004) is located above the filter screen (107).

7. The PU coating particle screening device according to claim 1, characterized in that, The bottom end of the support column (104) is equipped with a support base (105), and the bottom end of the support base (105) is provided with anti-slip texture.

8. The PU coating particle screening device according to claim 1, characterized in that, The top of the tank (100) is provided with a removable tank cover.