Screening device for adjusting granularity of powder coating

Abstract

The utility model relates to a screening device for powder coating granularity adjustment, which comprises a screening assembly for coating screening and a collecting box, supporting legs are symmetrically arranged at the bottom of the collecting box, a screening box is fixedly connected to the top of the collecting box, a dispersing assembly is arranged in the screening box, and an access cover plate is hinged to the top of the screening box. A feeding pipe is fixedly connected to the overhaul cover plate, a telescopic air cylinder is fixedly connected to the bottom of the screening box, a screen is fixedly connected to the movable end of the telescopic air cylinder, a baffle is fixedly connected to the upper surface of the screen, and a cleaning and discharging assembly is arranged in the collecting box. The dispersing assembly comprises a connecting rod fixedly connected to the upper surface of the screen, material particles are added into the screening box from the feeding pipe, the coating particles are evenly dispersed to the outer ring of the screen under the action of the conical barrel, powder particles are screened through the screen, and the phenomena that the screening speed is low, the efficiency is low and the screen is blocked due to the fact that powder is accumulated at the same position are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of coating screening, in particular to a screening device for adjusting the particle size of powder coating. Background Art

[0002] The patent document with application number CN202121453527.1 discloses a powder coating screening device, including a base plate and a screening unit; a through groove is opened in the middle part of the upper surface of the base plate, and a barrier unit is installed on the left and right sides of the through groove on the upper surface of the base plate; the screening unit comprises a bracket, a movable rod, a connecting rod, a screening frame, a screening net and a power assembly, and the front and rear parts of the left and right sides of the upper surface of the base plate in the barrier unit are respectively fixedly connected with the brackets, and the four brackets are respectively movably connected to the lower end of the movable rod through a rotating shaft, and the upper ends of the four movable rods are respectively movably connected to one end of the connecting rod through a rotating shaft, and the other ends of the four connecting rods are respectively fixedly connected to the corresponding positions of the lower surface of the screening frame to block the dust generated during the screening work, and the mechanical structure is designed to be easy to disassemble, which is convenient to carry after disassembly.

[0003] Although the above device can solve the corresponding technical problems, when a large amount of coating powder is added, the coating cannot be dispersed on the screening net, and the coating powder will accumulate on the screening net, affecting the screening speed and efficiency. Utility Model Content

[0004] The utility model aims to solve the deficiencies of the prior art and provides a screening device for adjusting the particle size of powder coatings.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] A screening device for adjusting the particle size of powder coatings, comprising: a screening assembly for coating screening, the screening assembly comprising a collecting box, the bottom of the collecting box being symmetrically provided with supporting legs, the top of the collecting box being fixedly connected with a screening box, a dispersing assembly being arranged inside the screening box, the top of the screening box being hinged with an inspection cover, the inspection cover being fixedly connected with a feed pipe, the bottom of the screening box being fixedly connected with a telescopic cylinder, the movable end of the telescopic cylinder being fixedly connected with a screen, the upper surface of the screen being fixedly connected with a baffle, and a cleaning and unloading assembly being arranged inside the collecting box;

[0007] The dispersion assembly includes a connecting rod fixedly connected to the upper surface of the screen, a conical cylinder is fixedly connected to the top of the connecting rod, the connecting rod is arranged at the center of the upper surface of the screen, and the conical cylinder does not contact the screening box.

[0008] As a preferred technical solution, the conical cylinder is matched with the screening box, the baffle and the screening box are not in contact with each other, and an observation window matching the screening box is provided on the top of the collecting box.

[0009] As a preferred technical solution, the cleaning and unloading assembly includes a motor fixedly mounted on the bottom of a collecting box, a collecting chamber is provided inside the collecting box, a rotating shaft is fixedly connected to the output shaft end of the motor, unloading scrapers are symmetrically arranged on the surface of the rotating shaft, a mounting plate is fixedly connected to the rotating shaft, and a cleaning brush is arranged on the upper surface of the mounting plate.

[0010] As a preferred technical solution, a sliding door is slidably connected to one side of the collection box, and a feeding port matching the sliding door is opened on one side of the collection box.

[0011] As a preferred technical solution, the material unloading scraper is arranged at the bottom of the collecting chamber, the material unloading scraper is matched with the collecting chamber, and the top of the cleaning brush is in contact with the bottom of the screen.

[0012] As a preferred technical solution, the feed pipe is arranged at a central position on the upper surface of the inspection cover plate, the conical cylinder is arranged at a central position inside the screening box, and the feed pipe is arranged directly above the conical cylinder.

[0013] As a preferred technical solution, there is a gap between the bottom of the conical cylinder and the inner wall of the screening box, and the conical cylinder is arranged in a cone shape.

[0014] The beneficial effect of the utility model is that the coating particles are added into the screening box from the feed pipe, and the coating particles are evenly dispersed to the outer circle of the screen under the action of the conical cylinder, and the powder particles are screened through the screen to avoid the slow screening speed, low efficiency and blockage of the screen caused by the accumulation of powder in the same place. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a three-dimensional schematic diagram of the cleaning and unloading component of the utility model;

[0017] Figure 3 It is a three-dimensional schematic diagram of the dispersed components of the utility model;

[0018] Figure 4 This is a three-dimensional schematic diagram of the interior of the screening box of the utility model;

[0019] In the figure: 1-screening assembly; 101-collecting box; 102-supporting leg; 103-observation window; 104-screening box; 105-inspection cover; 106-feeding pipe; 107-telescopic cylinder; 108-screen; 109-baffle; 2-dispersion assembly; 201-connecting rod; 202-conical cylinder; 3-cleaning and unloading assembly; 301-collecting chamber; 302-motor; 303-rotating shaft; 304-unloading scraper; 305-mounting plate; 306-cleaning brush; 307-sliding door.

[0020] The drawings in this utility model are all schematic diagrams, and their sizes do not represent actual sizes;

[0021] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0023] like Figure 1 to Figure 4 As shown, a screening device for adjusting the particle size of powder coating comprises: a screening assembly 1 for coating screening, the screening assembly 1 comprises a collecting box 101, the bottom of the collecting box 101 is symmetrically provided with supporting legs 102, the top of the collecting box 101 is fixedly connected with a screening box 104, the screening box 104 is provided with a dispersion assembly 2, the top of the screening box 104 is hinged with an inspection cover 105, the inspection cover 105 is fixedly connected with a feed pipe 106, the bottom of the screening box 104 is fixedly connected with a A telescopic cylinder 107 is connected, a screen 108 is fixedly connected to the movable end of the telescopic cylinder 107, a baffle 109 is fixedly connected to the upper surface of the screen 108, and a cleaning and unloading assembly 3 is arranged inside the collection box 101; the dispersion assembly 2 includes a connecting rod 201 fixedly connected to the upper surface of the screen 108, a conical cylinder 202 is fixedly connected to the top of the connecting rod 201, and the connecting rod 201 is arranged at the center of the upper surface of the screen 108, and the conical cylinder 202 does not contact the screening box 104. The powder is broken up by the conical cylinder 202, so that the powder is evenly dispersed to the outer circle of the screen 108. The connecting rod 201 moves with the up and down movement of the screen 108, thereby moving the conical cylinder 202.

[0024] The conical cylinder 202 is matched with the screening box 104, the baffle 109 and the screening box 104 do not contact each other, and the top of the collecting box 101 is provided with an observation window 103 that matches the screening box 104. The baffle 109 is used to prevent the powder from falling into the collecting chamber 301 without being screened. The amount of powder in the collecting chamber 301 can be observed through the observation window 103.

[0025] The cleaning and unloading assembly 3 includes a motor 302 fixedly mounted at the bottom of the collection box 101, a collection chamber 301 is provided inside the collection box 101, a rotating shaft 303 is fixedly connected to the output shaft end of the motor 302, unloading scrapers 304 are symmetrically arranged on the surface of the rotating shaft 303, a mounting plate 305 is fixedly connected to the rotating shaft 303, and a cleaning brush 306 is arranged on the upper surface of the mounting plate 305. The rotating shaft 303 and the unloading scraper 304 are driven to rotate by the motor 302, and the powder in the collection chamber 301 is scraped out by the rotation of the unloading scraper 304. The screen 108 is cleaned by the rotation of the cleaning brush 306 to prevent the screen 108 from being blocked.

[0026] A sliding door 307 is slidably connected to one side of the collecting box 101, and a feeding port matching the sliding door 307 is provided on one side of the collecting box 101. The sliding door 307 facilitates the powder screened out of the collecting chamber 301 to be taken out.

[0027] The scraper 304 is disposed at the bottom of the collecting chamber 301, and the scraper 304 matches the collecting chamber 301, and the top of the cleaning brush 306 fits the bottom of the screen 108. The screen 108 is cleaned by the cleaning brush 306 to prevent the screen 108 from being blocked by powder.

[0028] The feed pipe 106 is arranged at the center of the upper surface of the inspection cover 105, the conical cylinder 202 is arranged at the center of the screening box 104, and the feed pipe 106 is arranged directly above the conical cylinder 202. The powder coating falls on the top of the conical cylinder 202 along the feed pipe 106, and the powder coating is evenly dispersed on the surface of the screen 108 under the action of the conical cylinder 202.

[0029] There is a gap between the bottom of the conical cylinder 202 and the inner wall of the screening box 104, and the conical cylinder 202 is arranged in a cone shape. The powder falls evenly on the screen 108 along the gap, and the powder is screened by the screen 108.

[0030] The working principle of the utility model is as follows: powder particles are added into the screening box 104 along the feed pipe 106, and the powder particles are evenly dispersed to the outer circle of the screen 108 by the conical cylinder 202, and the powder is screened through the screen 108, and the telescopic cylinder 107 is started to drive the screen 108 to move up and down, further improving the screening efficiency and avoiding the blockage of the screen 108. The telescopic cylinder 107 is extended to the longest, and the motor 302 is started to drive the unloading scraper 304 and the cleaning brush 306 to rotate, so as to clean the screen 108 and scrape out the powder inside the collection chamber 301 for easy use.

[0031] The utility model is described above by way of example in conjunction with the accompanying drawings. It is obvious that the specific implementation of the utility model is not limited to the above-mentioned method. As long as various improvements are made using the method concept and technical solution of the utility model, or are directly applied to other occasions without improvement, they are all within the protection scope of the utility model.

Claims

1. A screening device for adjusting the particle size of powder coatings, characterized in that: include: A screening assembly (1) for coating screening, the screening assembly (1) comprising a collecting box (101), the bottom of the collecting box (101) being symmetrically provided with supporting legs (102), the top of the collecting box (101) being fixedly connected with a screening box (104), a dispersing assembly (2) being arranged inside the screening box (104), the top of the screening box (104) being hinged with an inspection cover (105), a feed pipe (106) being fixedly connected to the inspection cover (105), the bottom of the screening box (104) being fixedly connected with a telescopic cylinder (107), a screen (108) being fixedly connected to the movable end of the telescopic cylinder (107), a baffle (109) being fixedly connected to the upper surface of the screen (108), and a cleaning and unloading assembly (3) being arranged inside the collecting box (101); The dispersion assembly (2) comprises a connecting rod (201) fixedly connected to the upper surface of the screen (108), a conical cylinder (202) fixedly connected to the top of the connecting rod (201), the connecting rod (201) being arranged at a central position on the upper surface of the screen (108), and the conical cylinder (202) and the screening box (104) not contacting each other.

2. A screening device for adjusting the particle size of powder coating according to claim 1, characterized in that: The conical cylinder (202) is matched with the screening box (104), the baffle (109) and the screening box (104) are not in contact with each other, and the top of the collecting box (101) is provided with an observation window (103) that matches the screening box (104).

3. A screening device for adjusting the particle size of powder coating according to claim 1, characterized in that: The cleaning and unloading component (3) comprises a motor (302) fixedly mounted on the bottom of a collection box (101); a collection chamber (301) is provided inside the collection box (101); a rotating shaft (303) is fixedly connected to the output shaft end of the motor (302); unloading scrapers (304) are symmetrically arranged on the surface of the rotating shaft (303); a mounting plate (305) is fixedly connected to the rotating shaft (303); a cleaning brush (306) is arranged on the upper surface of the mounting plate (305).

4. A screening device for adjusting the particle size of powder coating according to claim 3, characterized in that: One side of the collection box (101) is slidably connected to a sliding door (307), and one side of the collection box (101) is provided with a material discharge port matching the sliding door (307).

5. A screening device for adjusting the particle size of powder coating according to claim 3, characterized in that: The material removal scraper (304) is arranged at the bottom of the collection chamber (301), the material removal scraper (304) and the collection chamber (301) are matched, and the top of the cleaning brush (306) is in contact with the bottom of the screen (108).

6. A screening device for adjusting the particle size of powder coating according to claim 1, characterized in that: The feed pipe (106) is arranged at a central position on the upper surface of the inspection cover plate (105), the conical cylinder (202) is arranged at a central position inside the screening box (104), and the feed pipe (106) is arranged directly above the conical cylinder (202).

7. A screening device for adjusting the particle size of powder coating according to claim 6, characterized in that: There is a gap between the bottom of the conical cylinder (202) and the inner wall of the screening box (104), and the conical cylinder (202) is arranged in a cone shape.

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