Premixer for producing thermosetting powder coating
By using a combination design of agitating, scraper scraper scraper, flip and shake components of the rotating shaft and mixing blades in a premixer for powder coating production, the problem of inability to stir at the corner of the mixing chamber is solved, and the powder is realized full mixing and uniformity.
Patent Information
- Application Number
- CN202323605694.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-28
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2033-12-28
AI Technical Summary
The existing premixer for powder coating production has an uneven mixing area at the corner of the mixing chamber, resulting in uneven mixing of the coating.
A premixing machine for the production of thermosetting powder coatings was designed. The speed reduction motor was used to drive the rotating shaft and mixing blades to rotate for stirring, and the powder adhered to the inner wall of the mixing box was scraped through the scraper, combining the flip and shaking components to ensure the Mix the powder thoroughly.
It effectively avoids uneven stirring of powder at the bottom of the mixing box, improves the mixing uniformity of the powder, and ensures high-quality use of the paint.
Smart Images

Figure CN222287092U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of powder coating premixing, in particular to a premixing machine for producing thermosetting powder coating. Background Art
[0002] Powder coating is a new type of solvent-free solid powder coating, which has the characteristics of solvent-free, pollution-free, recyclable, environmentally friendly, energy and resource saving.
[0003] The patent document with the existing application number CN202222475982.2 discloses a premixer for powder coating production, including a fixed frame, a mixing barrel is arranged inside the fixed frame, a rotating shaft is fixedly arranged at the bottom of the mixing barrel, the lower end of the rotating shaft is rotatably connected to the bottom of the fixed frame, a first motor is fixedly arranged at the bottom of the fixed frame, a first bevel gear is fixedly arranged at the output end of the first motor, and a second bevel gear meshing with the first bevel gear is fixedly arranged on the shaft wall of the rotating shaft; a distributor is fixedly arranged at the bottom of the mixing barrel, a stirrer is arranged inside the mixing barrel and on both sides of the distributor, two mounting seats are symmetrically fixedly arranged on the top of the fixed frame, and a second motor is fixedly arranged on the top of the two mounting seats. The utility model adopts the effect of diverting the coating to the edge, and then cooperates with the rotation of the mixing barrel and the simultaneous rotation of the stirrer to make the coating evenly mixed, avoid the phenomenon of stirring blind spots, and improve the quality of coating use.
[0004] Although the above device can solve the corresponding technical problems, there are still places at the corners of the mixing chamber that cannot be stirred, which has certain shortcomings. Utility Model Content
[0005] The utility model aims to solve the deficiencies of the prior art and provides a premixer for producing thermosetting powder coatings.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:
[0007] A premixer for thermosetting powder coating production, comprising: a mixing assembly for premixing thermosetting powder coating, the mixing assembly comprising a bottom plate, a fixing frame slidably connected to the bottom plate, a mixing box rotatably connected to the fixing frame, a fixing plate fixedly connected to the top of the mixing box, a loading and unloading plate hingedly connected to the top of the mixing box, a reduction motor fixedly mounted on the upper surface of the fixing plate, a rotating shaft fixedly connected to the output shaft end of the reduction motor, a mixing blade arrayed on the circumference of the rotating shaft surface, a mounting plate symmetrically arranged on the surface of the rotating shaft, a scraper fixedly connected to one side of the mounting plate, a flip assembly arranged on the bottom plate, and a shaking assembly arranged on the bottom plate;
[0008] The flip assembly includes a positioning plate fixedly connected to one side of the fixing frame, a motor is fixedly installed on the upper surface of the positioning plate, a driving sprocket is fixedly connected to the output shaft end of the motor, a rotating column is rotatably connected to the fixing frame, one end of the rotating column is fixedly connected to a driven sprocket, and the driven sprocket is connected to the driving sprocket via a chain transmission.
[0009] As a preferred technical solution, the driving sprocket is matched with the driven sprocket, the driving sprocket is matched with the chain, the driven sprocket is rotatably connected to one side of the fixing frame, and the rotating column is fixedly connected to the mixing box.
[0010] As a preferred technical solution, the mixing blades do not contact the inner wall of the mixing box, and the scraper is matched with the inner wall of the mixing box.
[0011] As a preferred technical solution, the shaking component includes a slide groove opened on the upper surface of the base plate, a cylinder is fixedly connected in the slide groove, and a sliding platform is fixedly connected to the movable end of the cylinder.
[0012] As a preferred technical solution, a fixing frame is fixedly connected to the top of the slide, and the fixing frame is arranged at a central position on the upper surface of the slide, and the slide is matched with the slide groove.
[0013] As a preferred technical solution, the mixing blades are arranged in a circular array on the surface of the rotating shaft, the mixing blades are not in contact with the mounting plate, and the height of the scraper is matched with the depth of the mixing box.
[0014] As a preferred technical solution, the slide groove is opened at a central position on the upper surface of the bottom plate, and cylinders are symmetrically arranged in the slide groove.
[0015] The beneficial effects of the utility model are as follows: the utility model drives the rotating shaft and the mixing blades to rotate through the reduction motor to stir the powder inside the mixing box, scrapes off the powder adhered to the inner wall of the mixing box through the rotation of the scraper, starts the motor to drive the rotating column to rotate, and then drives the mixing box to flip, so that the powder inside the mixing box is flipped and stirred in the mixing box, avoiding uneven mixing of the powder at the bottom of the mixing box. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a three-dimensional schematic diagram of the mixing assembly of the utility model;
[0017] Figure 2 It is a three-dimensional schematic diagram of the interior of the mixing box of the utility model;
[0018] Figure 3 It is a three-dimensional schematic diagram of the shaking component of the utility model;
[0019] Figure 4 It is a three-dimensional schematic diagram of the flip assembly of the utility model;
[0020] In the figure: 1-mixing assembly; 101-mixing box; 102-fixed plate; 103-reduction motor; 104-loading and unloading plates; 105-rotating shaft; 106-mounting plate; 107-scraper; 108-mixing blades; 109-bottom plate; 110-fixed frame; 2-flip assembly; 201-positioning plate; 202-motor; 203-driving sprocket; 204-driven sprocket; 205-chain; 206-rotating column; 207-connecting plate; 3-shaking assembly; 301-slide; 302-cylinder; 303-slide.
[0021] The drawings in this utility model are all schematic diagrams, and their sizes do not represent actual sizes;
[0022] The following is a detailed description of the embodiments of the present invention with reference to the accompanying drawings. DETAILED DESCRIPTION
[0023] The utility model is further described below in conjunction with the accompanying drawings and embodiments:
[0024] like Figure 1 to Figure 4 As shown, a premixer for thermosetting powder coating production comprises: a mixing assembly 1 for premixing thermosetting powder coating, the mixing assembly 1 comprises a bottom plate 109, a fixing frame 110 is slidably connected to the bottom plate 109, a mixing box 101 is rotatably connected to the fixing frame 110, a fixing plate 102 is fixedly connected to the top of the mixing box 101, a loading and unloading plate 104 is hingedly connected to the top of the mixing box 101, a reduction motor 103 is fixedly installed on the upper surface of the fixing plate 102, a rotating shaft 105 is fixedly connected to the output shaft end of the reduction motor 103, a mixing blade 108 is arranged in a circumferential array on the surface of the rotating shaft 105, and the rotating shaft 105 is provided with a mixing blade 108. The surface is symmetrically provided with a mounting plate 106, a scraper 107 is fixedly connected to one side of the mounting plate 106, a flip assembly 2 is provided on the bottom plate 109, and a shaking assembly 3 is provided on the bottom plate 109; the flip assembly 2 includes a positioning plate 201 fixedly connected to one side of the fixed frame 110, a motor 202 is fixedly installed on the upper surface of the positioning plate 201, a driving sprocket 203 is fixedly connected to the output shaft end of the motor 202, a rotating column 206 is rotatably connected to the fixed frame 110, and a driven sprocket 204 is fixedly connected to one end of the rotating column 206, and the driven sprocket 204 and the driving sprocket 203 are connected by a chain 205. The driving sprocket 203 is driven to rotate by the motor 202, so that the chain 205 drives the driven sprocket 204 to rotate, and the mixing box 101 is flipped, and the powder at the bottom is flipped upward by the flipping of the mixing box 101, so as to improve the uniformity of mixing. A connecting plate 207 is fixedly connected between the two fixed frames 110.
[0025] The driving sprocket 203 is matched with the driven sprocket 204, the driving sprocket 203 is matched with the chain 205, the driven sprocket 204 is rotatably connected to one side of the fixed frame 110, and the rotating column 206 is fixedly connected to the mixing box 101. The driven sprocket 204 is rotated by the chain 205, and the rotating column 206 drives the mixing box 101 to turn over, thereby avoiding uneven mixing of the powder at the bottom of the mixing box 101.
[0026] The mixing blade 108 does not contact the inner wall of the mixing box 101, and the scraper 107 is matched with the inner wall of the mixing box 101. The scraper 107 is driven to rotate by the rotating shaft 105, so that the powder adhered to the inner wall of the mixing box 101 is scraped off, thereby improving the mixing uniformity of the powder.
[0027] The shaking assembly 3 includes a slide groove 301 provided on the upper surface of the bottom plate 109, a cylinder 302 is fixedly connected in the slide groove 301, and a slide table 303 is fixedly connected to the movable end of the cylinder 302. The slide table 303 slides in the slide groove 301 by the extension and contraction of the slide groove 301, so that the mixing box 101 is shaken to prevent the powder from adhering to the inner wall of the mixing box 101.
[0028] The top of the slide 303 is fixedly connected with a fixing frame 110, which is arranged at the center of the upper surface of the slide 303, and the slide 303 is matched with the chute 301. The movement of the slide 303 drives the fixing frame 110 to move, so that the mixing box 101 shakes.
[0029] The mixing blades 108 are arranged in a circular array on the surface of the rotating shaft 105, the mixing blades 108 and the mounting plate 106 do not contact each other, and the height of the scraper 107 matches the depth of the mixing box 101. The mixing blades 108 are driven to rotate by the rotating shaft 105, so as to stir and mix the powder in the mixing box 101, and the powder adhering to the inner wall of the mixing box 101 is scraped off by the rotation of the scraper 107.
[0030] The chute 301 is provided at the center of the upper surface of the bottom plate 109, and cylinders 302 are symmetrically arranged in the chute 301. The two groups of cylinders 302 are extended and retracted to drive the slide 303 to move back and forth in the chute 301, so that the mixing box 101 is shaken to reduce the adhesion of powder on the inner wall of the mixing box 101.
[0031] The working principle of the utility model is: open the upper and lower material plates 104 to pour the powder into the mixing box 101, close the upper and lower material plates 104, start the reduction motor 103 to drive the rotating shaft 105 and the mixing blades 108 to rotate, so as to mix and stir the powder inside the mixing box 101, after a certain period of time, start the motor 202 to drive the active sprocket 203 to rotate, and drive the chain 205 and the driven sprocket 204 to rotate through the active sprocket 203, so that the mixing box 101 is flipped 180 degrees, so that the powder inside the mixing box 101 is flipped, and the stirring effect of the powder is improved. After flipping, start the cylinder 302 to drive the slide 303 to move, so as to shake the mixing box 101 to avoid powder adhesion and further improve the mixing effect.
[0032] 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 premixer for the production of thermosetting powder coatings, characterized in that: include: A mixing assembly (1) for premixing thermosetting powder coatings, the mixing assembly (1) comprising a bottom plate (109), a fixing frame (110) being slidably connected to the bottom plate (109), a mixing box (101) being rotatably connected to the fixing frame (110), a fixing plate (102) being fixedly connected to the top of the mixing box (101), a loading and unloading plate (104) being hingedly connected to the top of the mixing box (101), and a reducing device being fixedly mounted on the upper surface of the fixing plate (102). A speed reduction motor (103), the output shaft end of the speed reduction motor (103) is fixedly connected to a rotating shaft (105), the surface of the rotating shaft (105) is provided with mixing blades (108) in a circumferential array, the surface of the rotating shaft (105) is symmetrically provided with a mounting plate (106), one side of the mounting plate (106) is fixedly connected to a scraper (107), a flip assembly (2) is provided on the bottom plate (109), and a shaking assembly (3) is provided on the bottom plate (109); The flip assembly (2) comprises a positioning plate (201) fixedly connected to one side of a fixing frame (110); a motor (202) is fixedly mounted on the upper surface of the positioning plate (201); a driving sprocket (203) is fixedly connected to the output shaft end of the motor (202); a rotating column (206) is rotatably connected to the fixing frame (110); one end of the rotating column (206) is fixedly connected to a driven sprocket (204); the driven sprocket (204) and the driving sprocket (203) are connected in transmission via a chain (205); and a connecting plate (207) is fixedly connected between the two fixing frames (110).
2. A premixer for producing thermosetting powder coatings according to claim 1, characterized in that: The driving sprocket (203) and the driven sprocket (204) are matched and arranged, the driving sprocket (203) and the chain (205) are matched and arranged, the driven sprocket (204) is rotatably connected to one side of the fixed frame (110), and the rotating column (206) is fixedly connected to the mixing box (101).
3. A premixer for producing thermosetting powder coatings according to claim 1, characterized in that: The mixing blade (108) and the inner wall of the mixing box (101) do not contact each other, and the scraper (107) is arranged to match the inner wall of the mixing box (101).
4. A premixer for producing thermosetting powder coatings according to claim 1, characterized in that: The shaking assembly (3) comprises a slide groove (301) opened on the upper surface of the bottom plate (109), a cylinder (302) is fixedly connected in the slide groove (301), and a slide table (303) is fixedly connected at the movable end of the cylinder (302).
5. A premixer for producing thermosetting powder coatings according to claim 4, characterized in that: The top of the slide (303) is fixedly connected with a fixing frame (110), and the fixing frame (110) is arranged at a central position on the upper surface of the slide (303). The slide (303) and the slide groove (301) are matched and arranged.
6. A premixer for producing thermosetting powder coatings according to claim 1, characterized in that: The mixing blades (108) are arranged in a circular array on the surface of the rotating shaft (105); the mixing blades (108) and the mounting plate (106) are not in contact with each other; and the height of the scraper (107) matches the depth of the mixing box (101).
7. A premixer for producing thermosetting powder coatings according to claim 4, characterized in that: The slide groove (301) is opened at the center of the upper surface of the bottom plate (109), and the cylinder (302) is symmetrically arranged in the slide groove (301).
Citation Information
Cited By
A Smart Premixing and Formulation Optimization Method for Powder Coatings Based on Raw Material Properties
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