Filtering device for production of marking paint

By employing a filtration device consisting of a tank, annular baffle, agitator, and backflushing components in the production of road marking paint, automatic cleaning of the filter screen is achieved, solving the problem of frequent filter screen replacement and improving filtration efficiency and paint quality.

CN223628229UActive Publication Date: 2025-12-05CHAOYANG LUYUAN TRANSPORTATION TECH CO LTD
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Patent Information

Application Number
CN202422996054.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-05
Publication Date
2025-12-05
Estimated Expiration
2034-12-05

AI Technical Summary

Technical Problem

The filter screens used in the production of existing road marking paint need to be replaced frequently, which makes maintenance difficult and affects the progress of the work.

Method used

A filtration device comprising a tank, annular baffle, agitator, cleaning box, and backwash assembly was designed. The filter screen is automatically cleaned by the cyclic movement of the filter cloth belt and backwashing, reducing the frequency of maintenance.

Benefits of technology

It effectively extends the service life of the filter, maintains the filtration effect and efficiency, ensures the quality of the coating, and improves work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of filtering, and discloses a filtering device for marking paint production, which comprises a tank body, an annular partition plate is fixedly mounted on the upper side in the tank body, and the annular partition plate divides the interior of the tank body into an input cavity on the upper side and a working cavity on the lower side; a barrel body is communicated with the lower side of the annular partition plate; a stirrer is fixedly mounted on the upper side of the tank body; a cleaning box is fixedly installed on one side of the tank body, a rotating roller is rotatably installed in the cleaning box, a pair of sealing channels are arranged between the tank body and the cleaning box, the barrel body and the rotating roller are sleeved with a filter cloth belt, through holes are evenly formed in the circumferential side, making contact with the filter cloth belt, of the barrel body, and the two sides of the filter cloth belt penetrate through the sealing channels correspondingly; and the cleaning box is provided with a back-flushing assembly for cleaning the filter cloth belt. Part of the filter cloth belt collected in the cleaning box can be backwashed by the backflushing assembly, and the filter cloth belt capable of circularly moving is arranged outside the barrel body, so that the filtering effect and efficiency of the coating are kept.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of filtering, and particularly relates to a filtering device for production of marking paint. BACKGROUND

[0002] The marking paint is mainly composed of synthetic resin, coloring pigment, body pigment, glass beads, plasticizer and other additives, and it is necessary to filter and remove impurities before filling the finished paint, which can not only improve the quality of the paint, but also prevent the paint from clogging the nozzle or affecting the effect of the marking in the use process.

[0003] At present, the commonly used filter structure mainly comprises a tank body, an annular partition plate, a filter barrel, a stirrer, an input pipe and an output pipe. The paint enters the filter barrel through the input pipe and the annular partition plate, and the paint meeting the particle size is discharged from one output pipe under the rotating action of the stirrer, and the paint not meeting the particle size is directly discharged from another output pipe at the filter barrel. Although the filtering effect can be achieved, the filter screen on the filter barrel needs to be frequently replaced regularly to maintain good filtering effect and efficiency. The disassembly and installation process is time-consuming and laborious, and also affects the work progress.

[0004] Therefore, in order to solve the above problems, a filtering device for production of marking paint is provided. CONTENT OF THE INVENTION

[0005] The purpose of the present application is to provide a filtering device for production of marking paint to reduce the difficulty and frequency of filter screen maintenance.

[0006] The filtering device for production of marking paint comprises a tank body, an annular partition plate is fixedly installed on the inside upper side of the tank body, the inside of the tank body is divided by the annular partition plate to form an input cavity on the upper side and a working cavity on the lower side, an input pipe is communicated and installed on one side of the working cavity, a barrel body is communicated and installed on the lower side of the annular partition plate, a stirrer is fixedly installed on the upper side of the tank body, and a stirring rod of the stirrer extends into the barrel body; a cleaning box is fixedly installed on one side of the tank body, a rotating roller is rotatably installed in the inside of the cleaning box, a pair of sealing channels are arranged between the tank body and the cleaning box, a filter cloth belt is sleeved on the barrel body and the rotating roller, through holes are uniformly arranged on the circumferential side of the barrel body in contact with the filter cloth belt, the filter cloth belt passes through the sealing channels on the two sides, a second speed reducer is fixedly installed on the upper side of the cleaning box, the output end of the second speed reducer is connected with the rotating roller, a backflush assembly for cleaning the filter cloth belt is installed on the cleaning box, a first discharge pipe is communicated and installed on the lower side of the tank body, a second discharge pipe penetrating through the tank body is communicated and installed on the lower side of the barrel body, and a third discharge pipe is communicated and installed on the lower side of the cleaning box.

[0007] Specifically, the barrel body, the tank body and the annular partition plate form a discharge cavity.

[0008] Specific, the backflush assembly includes water pump and coil, the cleaning tank inside both sides are fixedly installed with coil, the coil is uniformly communicated with the nozzle on the side close to each other, the upper side of the cleaning tank is fixedly installed with water pump, the output end of the water pump is communicated with the coil on both sides through the tee pipe.

[0009] Specific, the inside of the working chamber is rotatably installed with a pair of guide rollers, the guide rollers are located between the barrel and the sealing channel, and the side close to each other of the guide rollers is respectively abutted with the two sides of the filter cloth belt.

[0010] Further, the lower side of the annular partition plate is fixedly installed with a pair of opposite sliding rails, the opposite sliding rails are provided with two sliding tables, a tension spring is hung between the two sliding tables, and the sliding table is rotatably assembled with the guide roller through a bearing seat.

[0011] Specific, the circumferential side of both ends of the barrel and the circumferential side of both ends of the rotating roller are installed with limit rings, and the filter cloth belt is located between the corresponding limit rings.

[0012] Specific, the sealing channel includes a rectangular frame and a rubber frame, a pair of rectangular frames are communicated and installed between the tank body and the cleaning tank, the rubber frame is fixedly installed in the rectangular frame, and the two sides of the filter cloth belt pass through the rubber frame.

[0013] The utility model has the following advantages:

[0014] The part of the filter cloth belt in the cleaning tank can be backwashed by the backflush assembly, the filter cloth belt can be circulated and moved outside the barrel, the corresponding part of the filter cloth belt outside the through hole can be continuously updated, so that the filtering effect and efficiency of the paint are maintained, and the qualified paint, unqualified paint and wastewater can be isolated and discharged separately, so that the quality of the paint product is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced, and obviously, the drawings in the following description are only some embodiments in the utility model, and other drawings can be obtained according to these drawings without creative labor for those skilled in the art.

[0016] Figure 1 It is a structure schematic view of the utility model;

[0017] Figure 2 It is a structure schematic sectional view of the utility model;

[0018] Figure 3 It is Figure 1Structure schematic view of the middle A-A direction;

[0019] Figure 4 Structure schematic view of the middle A-A direction;

[0020] Figure 5 Structure schematic view of the middle A-A direction; Figure 3 Structure schematic view of the middle A-A direction;

[0021] In the figure: 1. tank body, 2. through hole, 3. barrel, 4. annular partition, 5. backflush assembly, 51. water pump, 52. coil pipe, 6. second speed reducer motor, 7. cleaning box, 8. rotating roller, 9. sealing channel, 91. rectangular frame, 92. rubber frame, 10. filter cloth belt, 11. third discharge pipe, 12. guide roller, 13. second discharge pipe, 14. first discharge pipe, 15. limiting ring, 16. stirrer, 17. opposite slide rail, 18. tension spring. DETAILED DESCRIPTION

[0022] The utility model will be described in detail below in combination with the embodiment shown in the drawings. But the embodiment does not limit the protection scope of the utility model, and the structural, method or functional changes made by the ordinary skilled in the art according to the embodiment are all included in the protection scope of the utility model.

[0023] The utility model discloses a filter device for marking paint production, Figures 1-3 As shown in the figure, including the tank body 1, the inside upper side of tank body 1 is fixedly installed with annular partition 4, annular partition 4 divides the inside of tank body 1 and forms the input cavity of upper side and the working cavity of lower side, and the working cavity side is communicatedly installed with input pipe, and the paint enters the input cavity through input pipe, and then enters annular partition 4 through the guidance of annular partition 4, and the above is the existing structure, and here will not be too much redundant.

[0024] The improved structure is that the lower side of annular partition 4 is communicatedly installed with barrel 3, the upper side of tank body 1 is fixedly installed with stirrer 16, and the stirring rod of stirrer 16 extends into barrel 3.

[0025] The cleaning box 7 is fixedly installed on one side of the tank body 1, a rotating roller 8 is rotatably installed in the cleaning box 7, the rotating roller 8 and the barrel body 3 are vertically arranged, a pair of sealing channels 9 are arranged between the tank body 1 and the cleaning box 7, a filter cloth belt 10 is sleeved on the barrel body 3 and the rotating roller 8, a plurality of through holes 2 are uniformly arranged on the circumferential side of the barrel body 3 in contact with the filter cloth belt 10, the two sides of the filter cloth belt 10 pass through the sealing channels 9 respectively, a second speed reducer 6 is fixedly installed on the upper side of the cleaning box 7, and the output end of the second speed reducer 6 is connected with the rotating roller 8; the second speed reducer 6 is used for rotating the rotating roller 8 when working, so that the filter cloth belt 10 can be circulated and replaced along the circumferential side of the barrel body 3, and the sealing channels 9 are used for isolating the working cavity and the cleaning box 7, so that the work on the two sides does not interfere with each other.

[0026] The cleaning box 7 is provided with a backflushing assembly 5 for cleaning the filter cloth belt 10, the backflushing assembly 5 can perform reverse flushing treatment on the particles blocked on the filter cloth belt 10, so as to avoid affecting the filtering effect of the filter cloth belt 10, prolong the service life and reduce the maintenance frequency; a first discharge pipe 14 is communicated and installed on the lower side of the tank body 1, the first discharge pipe 14 is used for discharging qualified paint, a second discharge pipe 13 is communicated and installed on the lower side of the barrel body 3 and penetrates the tank body 1, the second discharge pipe 13 is used for discharging unqualified paint with too large particle size, and a third discharge pipe 11 is communicated and installed on the lower side of the cleaning box 7, the third discharge pipe 11 is used for discharging the cleaned wastewater.

[0027] The first discharge pipe 14, the second discharge pipe 13 and the third discharge pipe 11 are each provided with an electromagnetic valve during use.

[0028] Specifically, the barrel body 3, the tank body 1 and the annular partition plate 4 form a discharge cavity, the paint in the barrel body 3 is discharged to the discharge cavity through the through hole and the filter cloth belt 10 and then discharged from the first discharge pipe 14.

[0029] Specifically, the backflushing assembly 5 includes a water pump 51 and a coil pipe 52, the coil pipes 52 are fixedly installed on the two sides in the cleaning box 7, the coil pipes 52 are in a continuous S shape as a whole, the two sides of the coil pipes 52 close to each other are uniformly and communicatively provided with nozzles, the water pump 51 is fixedly installed on the upper side of the cleaning box 7, the output end of the water pump 51 is communicatively connected with the two coil pipes 52 through a three-way pipe, the input end of the water pump 51 is communicated with an external clean water tank, and the water pump 51 can spray clean water on the two sides of the filter cloth belt 10 through the coil pipes 52 and the nozzles when working, and the spraying direction is opposite to the direction in which the particles are blocked, which is more conducive to the separation of the particles, and the formed wastewater is discharged through the third discharge pipe 11.

[0030] Specifically, the inside of the working cavity is rotatably provided with a pair of guide rollers 12, which are located between the barrel 3 and the sealing channel 9, and the sides of the guide rollers 12 close to each other are respectively abutted against the two sides of the filter cloth belt 10; the guide rollers 12 are used to tighten the filter cloth belt 10 and increase the contact area of the filter cloth belt 10 with the barrel 3, so that a sufficient number of through holes 2 can be provided to ensure smooth discharge, and in addition, the guide rollers 12 can also make the filter cloth belt 10 more smoothly enter and exit the sealing channel 9.

[0031] Further, referring to Figure 4 As shown, the lower side of the annular partition plate 4 is fixedly provided with a pair of opposite sliding rails 17, the opposite sliding rails 17 are provided with two sliding tables, the two sliding tables are hung with a tension spring 18, and the sliding tables are rotatably assembled with the guide rollers 12 through bearing seats; the opposite sliding rails 17 are existing components composed of a shell, a gear, two sliding tables, and two racks, etc., the gear is rotatably installed at the center of the shell, the two racks are slidably arranged on the two sides inside the shell and are engaged on the two sides of the gear, and the two sliding tables are fixedly installed on the two racks, and the two sliding tables are synchronously moved in opposite directions (close to each other or away from each other) due to the engagement relationship between the gear and the racks; and the tension spring 18 makes the two sliding tables have a force of moving close to each other, so that the two guide rollers 12 have a force of moving close to each other, thereby compressing the filter cloth belt 10 and avoiding the separation of the filter cloth belt 10 from the barrel 3 to cause filtering failure.

[0032] The circumferential sides of both ends of the barrel 3 and the circumferential sides of both ends of the rotating roller 8 are provided with limiting rings 15, and the filter cloth belt 10 is located between the corresponding limiting rings 15; the limiting rings 15 are used to limit the filter cloth belt 10, so as to avoid the filter cloth belt 10 from being separated from the rotating roller 8 and the barrel 3, thereby losing the function of blocking the through holes 2.

[0033] Specifically, referring to Figure 5 As shown, the sealing channel 9 includes a rectangular frame 91 and a rubber frame 92, and a pair of rectangular frames 91 are communicatively installed between the tank body 1 and the cleaning box 7, the rubber frame 92 is fixedly installed in the rectangular frame 91, and the two sides of the filter cloth belt 10 pass through the rubber frame 92; the rectangular frame 91 is used to support the rubber frame 92, and the elasticity of the rubber frame 92 can ensure that the filter cloth belt 10 is abutted tightly, thereby avoiding the mixing of the media between the tank body 1 and the barrel 3.

[0034] The working mode of the embodiment is as follows:

[0035] The electric components such as the stirrer 16, the water pump 51, and the second speed reduction motor 6 are electrically connected with the controller in the external control cabinet and are uniformly controlled through the control panel on the control cabinet.

[0036] In operation, the stirrer 16 rotates the stirrer in the barrel 3, and the second speed reduction motor 6 rotates the rotating roller 8 to drive the filter cloth belt 10 to move circularly on the barrel 3.

[0037] The paint enters the barrel 3 through the input pipe and the annular partition 4, and after being stirred, passes through the through hole 2 and the filter cloth belt 10, and the qualified paint forms and enters the discharge cavity, and is discharged from the first discharge pipe 14; the unqualified paint remaining in the barrel 3 is discharged from the second discharge pipe 13, and the part of the filter cloth belt 10 entering the cleaning box 7 is subjected to backflushing water treatment by the backflushing assembly 5, and the formed waste water is discharged from the third discharge pipe 11.

[0038] The opposite sliding rails 17 can always press the filter cloth belt 10 close to each other, so as to ensure that the filter cloth belt 10 is tightly attached to the barrel 3.

[0039] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0040] In addition, it should be understood that although the present application is described in the specification in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, and those skilled in the art should regard the specification as a whole, and the technical solutions in the embodiments can also be properly combined to form other implementation manners which can be understood by those skilled in the art.

Claims

1. A filtering device for reticle paint production, comprising a tank body (1), an annular partition plate (4) is fixedly installed on the upper side of the inside of the tank body (1), the annular partition plate (4) separates the inside of the tank body (1) to form an upper input cavity and a lower working cavity, and an input pipe is communicated and installed on one side of the working cavity, characterized in that, The lower side of the annular partition plate (4) is communicated with a barrel (3), the upper side of the tank body (1) is fixedly installed with a stirrer (16), the stirring rod of the stirrer (16) extends into the barrel (3), one side of the tank body (1) is fixedly installed with a cleaning box (7), the inside of the cleaning box (7) is rotatably installed with a rotating roller (8), a pair of sealing channels (9) are arranged between the tank body (1) and the cleaning box (7), the barrel (3) and the rotating roller (8) are sleeved with a filter cloth belt (10), the circumferential side of the barrel (3) in contact with the filter cloth belt (10) is uniformly provided with through holes (2), the two sides of the filter cloth belt (10) pass through the sealing channels (9) respectively, the upper side of the cleaning box (7) is fixedly installed with a second speed reducer (6), the output end of the second speed reducer (6) is connected with the rotating roller (8), the cleaning box (7) is installed with a back flushing assembly (5) for cleaning the filter cloth belt (10), the lower side of the tank body (1) is communicated with a first discharge pipe (14), the lower side of the barrel (3) is communicated with a second discharge pipe (13) penetrating through the tank body (1), and the lower side of the cleaning box (7) is communicated with a third discharge pipe (11).

2. The filtering device for reticle coating production according to claim 1, characterized in that, The barrel (3), the tank body (1) and the annular partition plate (4) form a discharging cavity.

3. The filtering device for reticle coating production according to claim 1, characterized in that, The inside of the cleaning box (7) is fixedly installed with a coil pipe (52) on both sides, the side of the coil pipe (52) close to each other is uniformly communicated with a nozzle, the upper side of the cleaning box (7) is fixedly installed with a water pump (51), and the output end of the water pump (51) is communicated with the coil pipes (52) on both sides through a three-way pipe.

4. The filtering device for reticle coating production according to claim 1, characterized in that, A pair of guide rollers (12) are rotatably installed in the working cavity, the guide rollers (12) are located between the barrel (3) and the sealing channels (9), and the side of the guide rollers (12) close to each other is respectively abutted with the two sides of the filter cloth belt (10).

5. The filtering device for reticle coating production according to claim 4, characterized in that, The lower side of the annular partition plate (4) is fixedly installed with a pair of opposite sliding rails (17), the sliding rails (17) are provided with two sliding platforms, a tension spring (18) is hung between the two sliding platforms, and the sliding platforms are rotatably assembled with the guide rollers (12) through bearing seats.

6. The filtering device for reticle coating production according to claim 1, characterized in that, The circumferential sides of both ends of the barrel (3) and the circumferential sides of both ends of the rotating roller (8) are installed with limiting rings (15), and the filter cloth belt (10) is located between the corresponding limiting rings (15) upward and downward.

7. The filtering device for reticle coating production according to claim 1, characterized in that, The sealing channels (9) include a rectangular frame (91) and a rubber frame (92), a pair of rectangular frames (91) are communicated and installed between the tank body (1) and the cleaning box (7), the inside of the rectangular frame (91) is fixedly installed with a rubber frame (92), and the two sides of the filter cloth belt (10) pass through the rubber frames (92) respectively.