Raw material purifying and screening device for powder coating production
By combining rollers and air separation, and integrating airflow and vibration, the problem of inaccurate powder coating screening was solved, achieving efficient purification and screening results and avoiding sieve clogging.
Patent Information
- Application Number
- CN202520158237.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-23
AI Technical Summary
Existing powder coating screening equipment cannot accurately distinguish between impurities and powder coatings during use, resulting in inaccurate screening.
The screening method combines drum and air separation. The screening drum is driven by a drive motor, and the airflow is operated by an intake fan and an exhaust fan. A vibration motor generates high-frequency vibration to achieve the purification and screening of powder coatings.
It improves the purification and screening effect of powder coatings, avoids sieve clogging, and enhances screening accuracy and efficiency.
Smart Images

Figure CN223800974U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to powder coating purification technical field, concretely is a raw material purification screening device for powder coating production. BACKGROUND
[0002] Coating is coated on the surface of the object to be protected or decorated, and can form a firm adhesion with the coated object Continuous film, usually with resin, oil, emulsion as the main, add or do not add pigment, filler, add corresponding auxiliary, with organic solvent or water preparation viscous liquid. Coating can be coated on the surface of the object by different construction technology, form firm, have certain strength, continuous solid thin film. Coating ingredients usually need to be ground into powder before production.
[0003] The present invention patent with the publication number CN108067324B discloses a kind of building coating powder grinding screening device, cooperate with grinding protrusion by the rotation of high-speed rotating grinding disc, compared with ordinary grinding mode, the powder particle after grinding is more delicate;While through the left and right sliding of grinding box, thereby greatly improve the efficiency of screening, and the device can also secondary screening, to ensure the granularity of building powder after screening;For the building coating of not high granularity requirement, can be switched to primary screening, simple and easy to operate, to solve the problem that the grinding effect of existing grinding device is poor and cannot realize secondary screening and primary screening random switching.
[0004] The existing powder coating screening equipment is screened by vibration during use, when the size of impurity and the size of powder coating particle are same, impurity and coating cannot be accurately distinguished, leading to that powder coating cannot be accurately screened during screening, to solve the above problems, a raw material purification screening device for powder coating production is provided in the present application. UTILITY MODEL CONTENT
[0005] (I) utility model purpose
[0006] To solve the technical problems in the background art, the utility model provides a raw material purification screening device for powder coating production, which is matched by two screening methods of roller and air selection, can improve the purification and screening effect of powder coating, to solve the problems proposed in the background art.
[0007] (II) technical scheme
[0008] The utility model provides a raw material purification screening device for powder coating production, including screening cylinder, screening cylinder rotation is installed at the top of winnowing box, the fixed frame is welded to the surface of winnowing box end, the driving motor is installed to the surface of fixed frame, the power output of driving motor is connected with screening cylinder drive, the guide pulley is rotationally equipped at the top of winnowing box, the surface of screening cylinder both ends is all set up with the guide groove, the guide pulley is located in the guide groove,
[0009] Winnowing box inner chamber is equipped with the guide inclined plate, the air inlet fan is installed to winnowing box inner chamber one end, and the exhaust fan is installed to the other end of winnowing box inner chamber,
[0010] The exhaust fan position corresponding place is welded with the plug -in seat to the surface of winnowing box end, and the filter bag is movably inserted to the plug -in seat,
[0011] The arc vibrating plate is installed to the top surface of screening cylinder, and the vibration motor is installed to the upper surface of arc vibrating plate.
[0012] Preferably, the air inlet fan and the exhaust fan are symmetrically arranged at both ends of the winnowing box, and the air inlet fan is provided with a dust cover.
[0013] Preferably, the bottom surface of the winnowing box is provided with a bottom slag discharge port, and the bottom slag discharge port is rotatably connected with a cover plate.
[0014] Preferably, the top of the fixed frame is provided with a rubber seat, and the top of the fixed frame is connected with the end of the arc vibrating plate through the rubber seat.
[0015] Preferably, the bottom surface of the arc vibrating plate is rotatably provided with a guide roller, and the guide roller abuts against the surface of the screening cylinder, and the guide rollers are equidistantly distributed.
[0016] Preferably, the end of the winnowing box away from the driving motor is provided with a roller slag discharge port, and the roller slag discharge port is movably inserted with a baffle.
[0017] Preferably, the baffle is provided with a plug-in slot at both ends, and the baffle is inserted with the cavity wall of the roller slag discharge port through the plug-in slot.
[0018] The above technical scheme of the utility model has the following beneficial technical effects:
[0019] 1. The utility model discloses a drive motor drives the screening roller, and powder coating rotates in the screening roller, can make the coating of big granule and scrap be located the top of coating, and the powder coating can fall to the guide inclined plate through the screen eye on the screening roller, and the powder raw material slides down under the action of gravity, and injects the air into the winnowing box through the air inlet fan, and simultaneously the air exhaust fan can extract the air in the winnowing box, and the powder raw material can be blown away through the airflow and is discharged into the filter bag, and the impurity of weight is heavier and will fall in the winnowing box, and through the cooperation of the roller and winnowing two screening modes, the purification screening effect of powder coating can be improved.
[0020] 2. The utility model discloses a vibration motor generates high frequency vibration, and high frequency vibration is transmitted to the screening roller through the arc vibration plate and guide roller, and under the action of vibration, the powder coating on the screen eye of screening roller can be shaken off, and the screen eye can be prevented from being blocked. DRAWINGS
[0021] Figure 1 It is the overall structure schematic drawing of the utility model discloses a kind of raw material purification screening device for powder coating production;
[0022] Figure 2 It is the sectional structure schematic drawing of the utility model discloses a kind of raw material purification screening device for powder coating production;
[0023] Figure 3 It is the screening roller drive structure schematic drawing of the utility model discloses a kind of raw material purification screening device for powder coating production;
[0024] Figure 4 It is the filter bag mounting structure schematic drawing of the utility model discloses a kind of raw material purification screening device for powder coating production;
[0025] Figure 5 It is the roller slagging port structure schematic drawing of the utility model discloses a kind of raw material purification screening device for powder coating production.
[0026] Reference Signs:
[0027] 1, screening roller;2, winnowing box;3, guide wheel;4, fixed frame;5, drive motor;6, guide inclined plate;7, air inlet fan;8, air exhaust fan;9, bottom slagging port;10, plug-in seat;11, filter bag;12, rubber seat;13, arc vibration plate;14, guide roller;15, vibration motor;16, dust cover;17, roller slagging port;18, baffle;19, plug-in slot. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantages of the utility model more clearly understood, the utility model will be further described in detail below in conjunction with specific embodiments and with reference to the drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of the known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.
[0029] As Figures 1-5 shown, the utility model provides a raw material purification screening device for powder coating production, including screening drum 1, screening drum 1 is rotatably installed at the top of winnowing box 2, the surface of winnowing box 2 end is welded with fixed frame 4, the surface of fixed frame 4 is installed with drive motor 5, the power output end of drive motor 5 is connected with screening drum 1 transmission, the top of winnowing box 2 is rotatably equipped with guide wheel 3, the surface of both ends of screening drum 1 is provided with guide groove, and guide wheel 3 is located in guide groove;
[0030] The inner cavity of winnowing box 2 is provided with guide inclined plate 6, one end of the inner cavity of winnowing box 2 is installed with air inlet fan 7, the other end of the inner cavity of winnowing box 2 is installed with exhaust fan 8;
[0031] The surface of winnowing box 2 end is welded with plug-in seat 10 corresponding to the position of exhaust fan 8, and filter bag 11 is movably plugged into plug-in seat 10.
[0032] The top surface of screening drum 1 is installed with arc-shaped vibration plate 13, and vibration motor 15 is installed on the upper surface of arc-shaped vibration plate 13.
[0033] It should be noted that the powder coating is put into the screening drum 1, the drive motor 5 drives the screening drum 1, the powder coating rotates in the screening drum 1, the large-particle coating and debris can be located above the coating, the powder coating can fall through the screen hole of the screening drum 1 onto the guide inclined plate 6, the powder raw material slides downward under the action of gravity, air is injected into the winnowing box 2 through the air inlet fan 7, and the air in the winnowing box 2 is extracted through the exhaust fan 8, the powder raw material can be blown away through the airflow and discharged into the filter bag 11, and the impurities with relatively heavy weight fall into the winnowing box 2, so that the purification and screening effect of the powder coating can be improved through the combination of the screening drum and the winnowing.
[0034] In this embodiment, as Figure 2 and Figure 3 shown, the air inlet fan 7 and the exhaust fan 8 are symmetrically arranged at both ends of the winnowing box 2, and a dust cover 16 is installed on the surface of the air inlet fan 7.
[0035] It should be noted that the dust cover 16 can prevent dust from entering the winnowing box 2.
[0036] In the embodiment, as shown in Figure 2 The bottom surface of the wind box 2 is provided with a bottom slag discharge port 9, and a cover plate is rotatably connected in the bottom slag discharge port 9.
[0037] It should be noted that the cover plate can close the bottom slag discharge port 9, and the impurities in the wind box 2 can be quickly discharged after the cover plate is opened.
[0038] In the embodiment, as shown in Figure 3 and Figure 4 The top of the fixed frame 4 is provided with a rubber seat 12, the top of the fixed frame 4 is connected with the end of the arc-shaped vibration plate 13 through the rubber seat 12, the bottom surface of the arc-shaped vibration plate 13 is rotatably provided with a guide roller 14, and the guide roller 14 abuts against the surface of the screening drum 1, and the guide rollers 14 are distributed in equidistant manner.
[0039] It should be noted that the vibration motor 15 generates high-frequency vibration, the high-frequency vibration is transmitted to the screening drum 1 through the arc-shaped vibration plate 13 and the guide roller 14, and the powder coating on the screen of the screening drum 1 can be shaken off under the action of vibration, so that the phenomenon of screen blockage can be avoided, and the guide roller 14 can rotate with the screening drum 1, so that the friction between the screening drum 1 and the arc-shaped vibration plate 13 can be reduced.
[0040] In the embodiment, as shown in Figure 4 and Figure 5 The end of the wind box 2 away from the driving motor 5 is provided with a drum slag discharge port 17, the drum slag discharge port 17 is movably inserted with a baffle 18, the baffle 18 is provided with an insertion slot 19 at both ends, and the baffle 18 is inserted with the cavity wall of the drum slag discharge port 17 through the insertion slot 19 at both ends.
[0041] It should be noted that the baffle 18 is inserted with the cavity wall of the drum slag discharge port 17 through the insertion slot 19 at both ends, and the baffle 18 is locked through the locking bolt.
[0042] The working principle and use process of the utility model: the powder coating is put into the screening roller 1, the driving motor 5 drives the screening roller 1, the powder coating rotates in the screening roller 1, the coating and the scrap of big particle can be located above the coating, the powder coating can fall on the guide chute 6 through the screen eye on the screening roller 1, the powder raw material slides down under the action of gravity, the air is injected into the winnowing box 2 through the air inlet fan 7, the exhaust fan 8 can extract the air in the winnowing box 2, the powder raw material is blown away through the airflow and is discharged into the filter bag 11, the impurities with heavy weight fall in the winnowing box 2, the screening effect of the powder coating is improved through the cooperation of the screening of the roller and the winnowing, the impurities in the winnowing box 2 can be discharged after the cover plate is opened, the impurities in the screening roller 1 can be conveniently discharged after the baffle 18 is opened, it is more convenient to use, the vibration motor 15 generates high-frequency vibration, the high-frequency vibration is transmitted to the screening roller 1 through the arc-shaped vibration plate 13 and the guide roller 14, the powder coating on the screen eye of the screening roller 1 can be shaken off under the action of vibration, the plugging phenomenon of the screen eye can be avoided.
[0043] It should be understood that the above specific embodiments of the utility model are only used for example or explanation of the principle of the utility model, and do not constitute the limitation of the utility model. Therefore, any modification, equivalent replacement, improvement, etc. made without deviating from the spirit and scope of the utility model should be included in the protection scope of the utility model. In addition, the utility model attached claims are intended to cover all changes and modifications falling into the scope and boundary of the attached claims or the equivalent form of such scope and boundary.
Claims
1. A raw material purifying and screening device for powder coating production, comprising a screening drum (1), characterized in that, The screening drum (1) is rotatably installed on the top of the winnowing box (2), the end surface of the winnowing box (2) is welded with a fixing frame (4), the surface of the fixing frame (4) is installed with a driving motor (5), the power output end of the driving motor (5) is connected with the transmission of the screening drum (1), the top of the winnowing box (2) is rotatably provided with a guide wheel (3), the surfaces of the two ends of the screening drum (1) are both provided with guide grooves, and the guide wheel (3) is located in the guide grooves. The inner cavity of the winnowing box (2) is provided with a material guiding inclined plate (6), one end of the inner cavity of the winnowing box (2) is installed with an air inlet fan (7), and the other end of the inner cavity of the winnowing box (2) is installed with an air outlet fan (8). The end surface of the winnowing box (2) is welded with a plug-in seat (10) corresponding to the position of the air outlet fan (8), and the plug-in seat (10) is movably plugged with a filter bag (11). The top surface of the screening drum (1) is installed with an arc-shaped vibration plate (13), and the upper surface of the arc-shaped vibration plate (13) is installed with a vibration motor (15).
2. The raw material purification and screening device for powder coating production according to claim 1, characterized in that, The air inlet fan (7) and the air outlet fan (8) are symmetrically arranged at the two ends of the winnowing box (2), and the surface of the air inlet fan (7) is installed with a dust cover (16).
3. The raw material purification and screening device for powder coating production according to claim 2, characterized in that, The bottom surface of the winnowing box (2) is penetrated and provided with a bottom slag discharge port (9), and the bottom slag discharge port (9) is rotatably connected with a cover plate.
4. The raw material purification and screening device for powder coating production according to claim 3, characterized in that, The top of the fixing frame (4) is installed with a rubber seat (12), and the top of the fixing frame (4) is connected with the end of the arc-shaped vibration plate (13) through the rubber seat (12).
5. The raw material purifying and screening device for powder coating production according to claim 4, characterized in that, The bottom surface of the arc-shaped vibration plate (13) is rotatably provided with a guide roller (14), and the guide roller (14) abuts against the surface of the screening drum (1), and the guide rollers (14) are equidistantly distributed.
6. The raw material purifying and screening device for powder coating production according to claim 5, characterized in that, The end of the winnowing box (2) away from the driving motor (5) is provided with a drum slag discharge port (17), and the inner cavity of the drum slag discharge port (17) is movably plugged with a baffle (18).
7. The raw material purifying and screening device for powder coating production according to claim 6, characterized in that, The two ends of the baffle (18) are both provided with plug-in grooves (19), and the two ends of the baffle (18) are plugged with the cavity walls of the drum slag discharge port (17) through the plug-in grooves (19).
Citation Information
Patent Citations
A grinding and screening device for architectural coating powder
CN108067324B