Automatic mixing equipment for powder coating

Abstract

The utility model belongs to the technical field of powder coating production, and particularly relates to automatic powder coating mixing equipment. The device comprises a stirring barrel, a top cover is arranged at the top of the stirring barrel, a stirrer is installed in the stirring barrel, and a first crushing assembly, a filtering assembly and a second crushing assembly are sequentially arranged in the stirring barrel from top to bottom; the first crushing assembly comprises a first crushing roller, and a first driving assembly for driving the first crushing roller to rotate is mounted on the stirring barrel; the filtering assembly comprises a filtering plate mounted in the stirring barrel; the second crushing assembly comprises a second crushing roller, and a second driving assembly for driving the second crushing roller to rotate is mounted on the stirring barrel. The powder is crushed for the first time through the first crushing roller, falls onto the filter plate, rolls to the right end of the filter plate, is crushed for the second time through the second crushing roller, is stirred by the stirrer after being crushed, and is crushed by the first crushing roller, filtered by the filter plate and crushed by the second crushing roller, so that the mesh number of the powder meets the requirement.

Description

Technical Field

[0001] The utility model belongs to the technical field of powder coating production, in particular to automatic mixing equipment for powder coating. Background Art

[0002] Powder coating is a solid powdered synthetic resin coating composed of solid resin, pigment, filler and additives. Unlike ordinary solvent-based coatings and water-based coatings, its dispersion medium is air instead of solvent and water. It has the characteristics of no solvent pollution, 100% film formation and low energy consumption. Powder coating has good corrosion resistance and weather resistance, and can be used for the shells and parts of household appliances, metal furniture, automobiles, instruments and meters, bicycles, sewing machines, electromechanical equipment, light industrial equipment, agricultural machinery, construction hardware and other products.

[0003] When processing powder coatings, solid resins and other fillers need to be mixed and stirred. Solid resins are larger particles and need to be crushed into fine particles for easy processing to become powder coatings. Utility Model Content

[0004] The utility model aims to provide an automatic mixing device for powder coatings, which can fully crush the raw materials to be mixed.

[0005] The automatic powder coating mixing equipment comprises a vertically arranged stirring barrel, a top cover is arranged on the top of the stirring barrel, a stirrer is installed at the bottom of the stirring barrel, and a first crushing assembly, a filtering assembly and a second crushing assembly are arranged in sequence from top to bottom in the stirring barrel above the stirrer;

[0006] The first crushing assembly comprises a plurality of first crushing rollers which are arranged transversely and evenly spaced from front to back, two adjacent first crushing rollers are arranged in a crushing matching manner, and a first driving assembly for driving the first crushing roller to rotate is installed on the mixing barrel corresponding to the first crushing roller;

[0007] The filter assembly includes a filter plate installed on the inner wall of the mixing barrel with the left side higher and the right side lower;

[0008] The second crushing assembly includes a plurality of second crushing rollers which are longitudinally arranged and evenly spaced up and down, two adjacent first crushing rollers are arranged in a crushing matching manner, and a second driving assembly for driving the second crushing roller to rotate is installed on the mixing barrel corresponding to the second crushing roller;

[0009] The right end of the filter plate is located at the fitting position between two adjacent second crushing rollers.

[0010] After the raw materials enter the mixing barrel, they are first crushed by the first crushing roller and then fall onto the filter plate. The fine powder falls into the bottom of the mixing barrel through the filter holes on the filter plate. The coarse raw materials roll to the right end of the filter plate and are crushed for the second time by the second crushing roller. Then they fall into the bottom of the mixing barrel. Finally, the crushed powder is stirred. After crushing by the first crushing roller, filtering by the filter plate and crushing by the second crushing roller, the mesh size of the powder meets the requirements. Crushing and stirring are integrated to avoid secondary screening and reduce the unqualified rate.

[0011] Furthermore, the top cover is provided with a feed inlet which is connected to the top and bottom and is in a funnel shape.

[0012] The funnel-shaped top cover can guide the raw materials to the mating position of the first crushing roller, making feeding easier.

[0013] Furthermore, the first driving assembly includes a first motor, which is mounted on the outer side wall of the mixing barrel, and the power input end of the first crushing roller is connected to the power output end of the first motor.

[0014] The first motor drives the first crushing roller to rotate, which saves time and effort and is convenient to control.

[0015] Furthermore, the second driving assembly includes a second motor, which is mounted on the outer side wall of the mixing barrel, and the power input end of the second crushing roller is connected to the power output end of the second motor.

[0016] Furthermore, a vibrator for driving the filter plate to vibrate is installed on the mixing barrel.

[0017] Installing a vibrator can not only filter the raw materials on the filter plate quickly, but also speed up the raw materials that need secondary crushing to enter the second crushing component on the right side of the filter plate.

[0018] Furthermore, a third motor for driving the agitator to rotate is installed at the bottom of the mixing barrel, and the power input end of the agitator is connected to the power output end of the third motor.

[0019] The third motor drives the stirrer to stir, saving time and effort.

[0020] Furthermore, a discharge port is provided on the bottom wall of the mixing barrel, and a discharge pipe is connected to the discharge end corresponding to the discharge port.

[0021] Furthermore, a plurality of support columns for supporting the mixing barrel are installed at the bottom of the mixing barrel.

[0022] The support column raises the mixing barrel to facilitate material discharge.

[0023] Compared with the prior art, the utility model has the following beneficial effects:

[0024] After the raw materials enter the mixing barrel, they are first crushed by the first crushing roller and then fall onto the filter plate. The fine powder falls into the bottom of the mixing barrel through the filter holes on the filter plate. The coarse raw materials roll to the right end of the filter plate and are crushed for the second time by the second crushing roller. Then they fall into the bottom of the mixing barrel. Finally, the crushed powder is stirred. After crushing by the first crushing roller, filtering on the filter plate and crushing by the second crushing roller, the mesh size of the powder meets the requirements, avoiding secondary screening and reducing the unqualified rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of an automatic mixing equipment for powder coatings;

[0026] Figure 2 yes Figure 1 A schematic diagram of the structure after the right view portion is cut away;

[0027] Figure 3 yes Figure 1 A schematic diagram of a top view structure;

[0028] Figure 4 yes Figure 1 The structural diagram of the agitator;

[0029] Figure 5 It is a three-dimensional structural diagram of an automatic mixing equipment for powder coatings;

[0030] Figure 6 It is a schematic diagram of the exploded structure of an automatic mixing equipment for powder coatings.

[0031] The names of the components in the figure are: 1. Top cover; 2. First crushing roller; 3. First motor; 4. Filter plate; 5. Second crushing roller; 6. Agitator; 7. Agitating barrel; 8. Support column; 9. Third motor; 10. Discharge pipe. DETAILED DESCRIPTION

[0032] The present invention is further described below through specific embodiments in conjunction with the accompanying drawings, but the present invention is not limited thereto. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

[0033] Example

[0034] This embodiment uses the following materials:

[0035] 1. Prepare a mixing bucket, preferably a mixing bucket with a lid, to make the mixing bucket 7;

[0036] 2. Prepare a steel pipe with a regulating valve as the discharge pipe 10;

[0037] 3. Prepare a plurality of first crushing rollers 2 and second crushing rollers 5, wherein the first crushing roller 2 is larger and the second crushing roller 5 is smaller;

[0038] 4. Prepare a filter plate 4;

[0039] 5. Prepare stainless steel materials to process the top cover 1, support column 8 and stirrer 6;

[0040] 6. Prepare a vibrator and three sets of motors, which are used as the first motor 3, the second motor and the third motor 9 respectively.

[0041] The above materials are assembled as follows:

[0042] Step 1: Processing

[0043] Processing mixing barrel 7, such as Figure 1 As shown, the first motor 3 is installed on the outer side wall of the right side of the mixing barrel 7. According to the position of the right end of the first crushing roller 2 corresponding to the installation position of the first motor 3, a first through hole for installing the first crushing roller 2 is processed, and a second through hole is opened on the rear side wall of the mixing barrel 7 corresponding to the position of the second motor, and a third through hole is opened on the bottom wall of the mixing barrel 7 corresponding to the position of the third motor 9.

[0044] A top cover 1 is processed to match the top of the mixing barrel 7, such as Figure 1 , Figure 2 and Figure 3 As shown, a truncated cone is machined on the top cover 1, such as Figure 3 As shown in the figure, at the center of the truncated cone, a Figure 1 The fourth through hole of the funnel structure shown is used as a feed inlet.

[0045] Processing support column 8, such as Figure 1 and Figure 6 As shown, the support column 8 is a right-angled trapezoidal structure as a whole, and the processing technology and shape structure of the support column 8 can be processed and manufactured according to the structural technology of the existing support house or support frame.

[0046] Processing mixer 6, such as Figure 4 and Figure 6 As shown, the stirrer 6 is a cylindrical structure, and a plurality of rectangular blocks evenly spaced and distributed are fixed on the cylinder as stirring blades.

[0047] Step 2: Installation

[0048] like Figure 1 As shown, the mixing barrel 7 opens upward, and four support columns 8 evenly spaced along the circumference are fixed to the bottom by welding. The number of support columns 8 can be increased according to the weight of the mixing barrel 7 during mixing.

[0049] like Figure 1As shown, the first motor 3 is installed on the upper right side wall of the mixing barrel 7, and the first crushing roller 2 is installed through the position of the first through hole corresponding to the first motor 3, and the power input end of the first crushing roller 2 is connected to the power output end of the first motor 3. Figure 1 and Figure 2 As shown, inside the mixing barrel 7, at the position of the second through hole corresponding to the second motor, the second crushing roller 5 is installed, and the power input end of the second crushing roller 5 is connected to the power output end of the second motor. The first motor 3 controls the first crushing roller 2 to work, and the second motor controls the second crushing roller 5 to work. In fact, the first motor 3 can also drive the first crushing roller 2 and the second crushing roller 5 to work at the same time.

[0050] like Figure 1 As shown, the stirrer 6 is installed at the bottom of the stirring barrel 7. Figure 6 As shown, the third motor 9 is installed on the outside of the bottom of the mixing barrel 7, the power input end of the stirrer 6 is connected to the power output end of the third motor 9, and the third motor 9 controls the rotation of the stirrer 6.

[0051] like Figure 1 As shown, the filter plate 4 is installed under the first crushing roller 2 with the left side higher and the right side lower. The inclination angle of the filter plate 4 is installed according to the position of the second crushing roller 5, so that the right end of the filter plate 4 is located at the matching position between two adjacent second crushing rollers 5. The installation position of the second crushing roller 5 does not affect the rotation of the agitator 6. The vibrator is installed on the rear side wall of the mixing barrel 7. The structure after installation is as shown in FIG. Figure 5 shown.

[0052] Instructions for use are as follows:

[0053] Before use, turn on the first motor 3, the second motor and the third motor 9, and pour raw materials, such as solid resin, pigment powder, etc., from the feed port of the top cover 1.

[0054] During use, after the solid resin is crushed by the first crushing roller 2, the larger solid resin will remain on the filter plate 4, and the fine solid resin will fall into the agitator 6 for stirring. Through the vibration of the vibrator, the larger solid resin will fall into the second crushing roller 5 for a second crushing, ensuring that the crushed solid resin reaches the required mesh size and is evenly mixed with other pigments.

[0055] With the cooperation of the two groups of crushing rollers and the filter plate 4, the solid resin is fully crushed, and the crushing and stirring are integrated to avoid further secondary processing.

Claims

1. An automatic powder coating mixing device, comprising a vertically arranged stirring barrel (7), a top cover (1) being provided on the top of the stirring barrel (7), and an agitator (6) being installed at the bottom of the stirring barrel (7), characterized in that: A first crushing assembly, a filtering assembly and a second crushing assembly are arranged in sequence from top to bottom in the mixing barrel (7) above the agitator (6); The first crushing assembly comprises a plurality of first crushing rollers (2) which are arranged transversely and evenly spaced from front to back, two adjacent first crushing rollers (2) are arranged in a crushing matching manner, and a first driving assembly for driving the first crushing roller (2) to rotate is installed on the stirring barrel (7) corresponding to the first crushing roller (2); The filter assembly comprises a filter plate (4) installed on the inner wall of the stirring barrel (7) with the left side higher and the right side lower; The second crushing assembly comprises a plurality of second crushing rollers (5) which are arranged longitudinally and evenly spaced up and down, two adjacent first crushing rollers (2) are arranged in a crushing matching manner, and a second driving assembly for driving the second crushing roller (5) to rotate is installed on the stirring barrel (7) corresponding to the second crushing roller (5); The right end of the filter plate (4) is located at the fitting position between two adjacent second crushing rollers (5).

2. The automatic powder coating mixing equipment according to claim 1, characterized in that: The top cover (1) is provided with a feed inlet which is communicated with each other from top to bottom and is in a funnel shape.

3. The automatic powder coating mixing equipment according to claim 2, characterized in that: The first driving assembly comprises a first motor (3), the first motor (3) is mounted on the outer wall of the mixing barrel (7), and the power input end of the first crushing roller (2) is connected to the power output end of the first motor (3).

4. The automatic powder coating mixing equipment according to claim 3 is characterized in that: The second driving assembly comprises a second motor, which is mounted on the outer wall of the mixing barrel (7), and the power input end of the second crushing roller (5) is connected to the power output end of the second motor.

5. The automatic powder coating mixing equipment according to claim 4, characterized in that: The mixing barrel (7) is provided with a vibrator for driving the filter plate (4) to vibrate.

6. The automatic powder coating mixing equipment according to claim 5, characterized in that: A third motor (9) for driving the stirrer (6) to rotate is installed at the bottom of the stirring barrel (7), and the power input end of the stirrer (6) is connected to the power output end of the third motor (9).

7. The automatic powder coating mixing equipment according to claim 6, characterized in that: A discharge port is provided on the bottom wall of the mixing barrel (7), and a discharge pipe (10) is connected to the discharge end corresponding to the discharge port.

8. The automatic powder coating mixing equipment according to claim 7, characterized in that: A plurality of support columns (8) for supporting the stirring barrel (7) are installed at the bottom of the stirring barrel (7).

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