Multi-stage filtering device for producing road marking paint
By introducing a rotating shaft to drive a multi-stage filter cartridge and scraper structure into the paint filtration device, the problem of filter screen clogging during the paint filtration process is solved, achieving automatic cleaning of impurities and uniformity of filtration effect, thus improving production efficiency.
Patent Information
- Application Number
- CN202423196945.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2034-12-24
AI Technical Summary
In existing technologies, coatings are prone to clogging the filter screen during the filtration process, resulting in uneven filtration effects and frequent shutdowns, which reduces work output.
It adopts a structure that includes a rotating shaft driving multi-stage filter cartridges and scrapers to achieve multi-stage filtration of coatings and automatic cleaning of impurities, avoiding clogging and improving filtration efficiency and output.
This ensures that impurities remain uniformly on the inner wall of the filter cartridge during multi-stage filtration, preventing clogging and improving filtration efficiency and the device's continuous operating capacity.
Smart Images

Figure CN223697035U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of paint production, particularly to a multistage filtering device for road marking paint production. BACKGROUND
[0002] Through the search patent file No. CN221287066U, the patent avoids the precipitation of the paint by the stirring motor driving the stirring rod to stir the paint, enhances the flowability of the paint, rotates the paint stirring barrel by the rotating motor, pours the paint into the filtering work box, filters the paint by the filtering work box, the paint first enters the first filter screen, enters the second filter screen after screening out larger particles and impurities, and finally falls into the discharge collection box to complete the collection after passing through the third filter screen, the filter screen can be easily pulled out for cleaning and maintenance under the action of the pull-out plate, the filtering precision of each stage is improved, the large particles, impurities and suspended solids in the paint during the production process are filtered out, the stability of the paint is higher, and the precipitation phenomenon during the subsequent use of the paint is reduced.
[0003] When the filtering work box filters the paint, the impurities in the paint are directly attached and accumulated on the filter screen, causing the filter screen to be blocked, the stirred paint falls into the filtering work box through the paint port downward, the paint is concentrated on the position corresponding to the paint port on the filter screen, causing uneven distribution of the paint, reducing the filtering effect, and frequently pulling out the filter screen for cleaning by the pull-out plate causes the filtering device to frequently stop running, reducing the work output. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the above -mentioned problem and provides a multistage filtering device for road marking paint production.
[0005] The utility model realizes the above-mentioned purpose through the following technical scheme:
[0006] A multistage filtering device for road marking paint production, comprising a filtering mechanism and a cleaning mechanism.
[0007] The filtering mechanism comprises a rotating shaft, an inlet pipe is arranged on the lower side of the rotating shaft, a first filter cylinder, a second filter cylinder and a third filter cylinder for multistage filtering of the paint are fixed in sequence on the outer side of the rotating shaft, a collecting cylinder is arranged on the outer side of the third filter cylinder, and a discharge pipe is fixed to the bottom of the collecting cylinder.
[0008] The cleaning mechanism comprises a push rod which is slidingly connected to the outside of the rotating shaft, one side of the push rod is fixed with a first-stage scraper for scraping impurities inside the first-stage filter cylinder, one side of the first-stage scraper is sequentially provided with a second-stage scraper for scraping impurities inside the second-stage filter cylinder and a third-stage scraper for scraping impurities inside the third-stage filter cylinder, the front side of the first-stage scraper, the second-stage scraper and the third-stage scraper is fixed with a sliding rod, the front side of the three sliding rods is fixedly connected with a connecting rod, the front side of the collecting cylinder is fixed with a filter cover, and the front side of the filter cover is fixed with a collecting frame for collecting impurities.
[0009] Preferably, the input end of the rotating shaft is fixedly provided with a motor, the other side of the push rod is fixed with a sliding block, and the outside of the rotating shaft is provided with a circular ring sliding groove matched with the sliding block.
[0010] Preferably, the bottom of the end of the feeding pipe penetrating through the filter cover and extending into the first-stage filter cylinder is provided with a plurality of feeding holes.
[0011] Preferably, the filter cover is provided with three special-shaped grooves on one side for allowing the three sliding rods to pass through the first-stage scraper, the second-stage scraper and the third-stage scraper.
[0012] Preferably, the connecting rod is located at the front side of the filter cover, and the collecting frame is located below the three special-shaped grooves.
[0013] Preferably, the bottom of the collecting cylinder is fixed with four supporting legs, and the collecting cylinder is sleeved on the outside of the rotating shaft.
[0014] Compared with the prior art, the beneficial effects are as follows:
[0015] 1. The first-stage filter cylinder, the second-stage filter cylinder and the third-stage filter cylinder are driven to rotate in the collecting cylinder by the motor, so that the paint is filtered in multiple stages while the impurities are uniformly deposited on the inner walls of the first-stage filter cylinder, the second-stage filter cylinder and the third-stage filter cylinder, thereby avoiding blockage caused by filtering at a concentrated position and improving the filtering effect.
[0016] 2. The push rod is driven to slide along the front and rear sides by the rotation of the rotating shaft, the first-stage scraper, the second-stage scraper and the third-stage scraper are driven to slide forward and backward by the push rod, and then the impurities on the inner walls of the first-stage filter cylinder, the second-stage filter cylinder and the third-stage filter cylinder are scraped and fall into the collecting frame, thereby removing the impurities during the filtering process, and the device continuously works to improve the output. BRIEF DESCRIPTION OF DRAWINGS
[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.
[0018] Figure 1It is the structure schematic view of the multistage filtering device for road marking paint production of the utility model;
[0019] Figure 2 It is the sectional view of the multistage filtering device for road marking paint production of the utility model;
[0020] Figure 3 It is the filtering mechanism structure schematic view of the multistage filtering device for road marking paint production of the utility model;
[0021] Figure 4 It is the cleaning mechanism structure schematic view of the multistage filtering device for road marking paint production of the utility model;
[0022] Figure 5 It is the partial sectional view of the multistage filtering device for road marking paint production of the utility model;
[0023] Figure 6 It is the pivot and push rod cooperation structure schematic view of the multistage filtering device for road marking paint production of the utility model;
[0024] Figure 7 It is the sliding rod and connecting rod cooperation structure schematic view of the multistage filtering device for road marking paint production of the utility model;
[0025] Figure 8 It is the filtering cover and collection frame cooperation structure schematic view of the multistage filtering device for road marking paint production of the utility model.
[0026] The figure mark is explained as follows:
[0027] 1, filtering mechanism;2, cleaning mechanism;101, pivot;102, first stage filter cylinder;103, second stage filter cylinder;104, third stage filter cylinder;105, collection cylinder;106, feed pipe;107, discharge pipe;201, push rod;202, first stage scraper;203, second stage scraper;204, third stage scraper;205, sliding rod;206, connecting rod;207, filtering cover;208, collection frame. Specific implementation
[0028] In the description of the utility model, it needs to be explained that, unless another explicit provision and limitation, the term "installation", "connection", "connection" should be broad sense understanding, for example, can be fixed connection, can also be detachable connection, or integrally connected;Can be mechanical connection, can also be electrical connection;Can be directly connected, can also be indirectly connected through the intermediate medium, can be the communication inside two elements.For the ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood through specific circumstances.
[0029] The utility model is further described below with reference to the drawings:
[0030] As Figures 1-8 Indicated, a multistage filtering device for road marking paint production, including filter mechanism 1 and cleaning mechanism 2.
[0031] In this embodiment: the filter mechanism 1 includes the pivot 101, the pivot 101 lower side is equipped with the feed pipe 106, the pivot 101 outside is fixed with the first filter cylinder 102, the second filter cylinder 103 and the third filter cylinder 104 for multistage filtering of paint in proper order, the third filter cylinder 104 outside is equipped with the collection cylinder 105, the collection cylinder 105 bottom is fixed with four support legs, the collection cylinder 105 is sleeved on the pivot 101 outside, the collection cylinder 105 bottom is fixed with the discharge pipe 107, the pivot 101 input end is fixedly provided with motor, the push rod 201 other side is fixed with the sliding block, the pivot 101 outside is set with the annular slide groove that cooperates with sliding block, the feed pipe 106 passes through the filter cover 207 and extends into the bottom of one end of the first filter cylinder 102 and is equipped with a plurality of feed holes, after stirring, the paint is put into the first filter cylinder 102 through the feed pipe 106, the first filter cylinder 102, the second filter cylinder 103 and the third filter cylinder 104 are rotated in the collection cylinder 105 by motor, so that the impurities in the paint are uniformly remained on the inner wall of the first filter cylinder 102, the second filter cylinder 103 and the third filter cylinder 104 at the same time multistage filtering, and the filtered paint is collected and flows into the discharge pipe 107 through the collection cylinder 105.
[0032] In the embodiment, the cleaning mechanism 2 comprises a push rod 201 which is slidingly connected outside the rotating shaft 101, one side of the push rod 201 is fixed with a first-stage scraper 202 for scraping impurities inside the first-stage filter cylinder 102, one side of the first-stage scraper 202 is sequentially provided with a second-stage scraper 203 for scraping impurities inside the second-stage filter cylinder 103 and a third-stage scraper 204 for scraping impurities inside the third-stage filter cylinder 104, the front side of the first-stage scraper 202, the second-stage scraper 203 and the third-stage scraper 204 is fixed with a sliding rod 205, the front side of the three sliding rods 205 is fixedly connected with a connecting rod 206, the front side of the collecting cylinder 105 is fixed with a filter cover 207, one side of the filter cover 207 is provided with three special-shaped grooves for allowing the three sliding rods 205 and the first-stage scraper 202, the second-stage scraper 203 and the third-stage scraper 204 to pass through, the front side of the filter cover 207 is fixed with a collecting frame 208 for collecting impurities, the connecting rod 206 is located in front of the filter cover 207, and the collecting frame 208 is located below the three special-shaped grooves, the rotating shaft 101 drives the push rod 201 to slide along the front and back sides, the three sliding rods 205 connect the first-stage scraper 202, the second-stage scraper 203 and the third-stage scraper 204, the push rod 201 drives the first-stage scraper 202, the second-stage scraper 203 and the third-stage scraper 204 to slide forward and backward, so that the impurities on the inner walls of the first-stage filter cylinder 102, the second-stage filter cylinder 103 and the third-stage filter cylinder 104 are scraped and fall into the collecting frame 208.
[0033] Working principle: the stirred paint is continuously poured into the feeding pipe 106, the paint flows into the first-stage filter cylinder 102 through the feeding hole, the motor drives the first-stage filter cylinder 102, the second-stage filter cylinder 103 and the third-stage filter cylinder 104 to rotate in the collecting cylinder 105, the paint first passes through the first-stage filter cylinder 102, is filtered to remove larger particles and impurities, then enters the second-stage filter cylinder 103 for filtering, finally, the paint passes through the third-stage filter cylinder 104 for filtering, and then falls on the inner wall of the collecting cylinder 105 and flows out from the feeding pipe 106, the impurities in the paint are left on the inner walls of the first-stage filter cylinder 102, the second-stage filter cylinder 103 and the third-stage filter cylinder 104;
[0034] In the paint filtering process, the circular ring sliding groove is rotated by the rotating shaft 101, the slider on the push rod 201 slides from the rear side to the front side in the circular ring sliding groove, the push rod 201 drives the first scraper 202 to slide from the rear side to the front side, the first scraper 202 drives the second scraper 203 and the third scraper 204 to slide from the rear side to the front side through the three sliding rods 205, in the process, the first scraper 202, the second scraper 203 and the third scraper 204 scrape the impurities on the inner wall of the first filtering cylinder 102, the second filtering cylinder 103 and the third filtering cylinder 104 to the front side respectively, finally the impurities fall into the collecting frame 208 through the special-shaped groove, the circular ring sliding groove is continuously rotated by the rotating shaft 101, the slider on the push rod 201 slides from the front side to the rear side in the circular ring sliding groove and resets, the push rod 201 drives the first scraper 202, the second scraper 203 and the third scraper 204 to slide from the front side to the rear side and reset.
[0035] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application.
Claims
1. A multi-stage filtration device for producing road marking paint, characterized in that: It includes a filtration mechanism (1) and a cleaning mechanism (2); The filtration mechanism (1) includes a rotating shaft (101), a feed pipe (106) is provided on the lower side of the rotating shaft (101), and a first-stage filter cylinder (102), a second-stage filter cylinder (103) and a third-stage filter cylinder (104) for multi-stage filtration of coatings are fixed on the outer side of the rotating shaft (101) in sequence. A collection cylinder (105) is provided on the outer side of the third-stage filter cylinder (104), and a discharge pipe (107) is fixed at the bottom of the collection cylinder (105). The cleaning mechanism (2) includes a push rod (201), which is slidably connected to the outside of the rotating shaft (101). A first-stage scraper (202) for scraping out impurities inside the first-stage filter cylinder (102) is fixed on one side of the push rod (201). A second-stage scraper (203) for scraping out impurities inside the second-stage filter cylinder (103) and a third-stage scraper (204) for scraping out impurities inside the third-stage filter cylinder (104) are sequentially provided on one side of the first-stage scraper (202). A slide rod (205) is fixed on the front side of the first-stage scraper (202), the second-stage scraper (203) and the third-stage scraper (204). A connecting rod (206) is fixedly connected to the front side of the three slide rods (205). A filter cover (207) is fixed on the front side of the collection cylinder (105). A collection frame (208) for collecting impurities is fixed on the front side of the filter cover (207).
2. The multi-stage filtration device for producing road marking paint according to claim 1, characterized in that: A motor is fixedly installed at the input end of the rotating shaft (101), and a slider is fixed on the other side of the push rod (201). An annular groove that cooperates with the slider is opened on the outer side of the rotating shaft (101).
3. The multi-stage filtration device for producing road marking paint according to claim 1, characterized in that: The feed pipe (106) passes through the filter cover (207) and extends into the bottom of one end of the primary filter cylinder (102), and has several feed holes.
4. The multi-stage filtration device for producing road marking paint according to claim 1, characterized in that: The filter cover (207) has three irregularly shaped grooves on one side for the three slide bars (205) to pass through with the first-stage scraper (202), the second-stage scraper (203) and the third-stage scraper (204).
5. A multi-stage filtration device for producing road marking paint according to claim 4, characterized in that: The connecting rod (206) is located in front of the filter cover (207), and the collection frame (208) is located below the three irregular grooves.
6. A multi-stage filtration device for producing road marking paint according to claim 1, characterized in that: The bottom of the collecting cylinder (105) is fixed with four supporting legs, and the collecting cylinder (105) is sleeved on the outside of the rotating shaft (101).
Citation Information
Patent Citations
Multistage filtering device for solvent-based road marking paint
CN221287066U