Coating pulverizer

Abstract

The utility model relates to the field of powder coating processing equipment, and particularly discloses a coating pulverizer which comprises a classifier, the classifier comprises an outer classification wheel shell, a fourth pipeline is embedded in the outer classification wheel shell, an induced draft fan is arranged at the end, away from the outer classification wheel shell, of the fourth pipeline, and a silencer connected with the induced draft fan through a pipeline is arranged on one side of the induced draft fan. A fourth pipeline is arranged at the end, away from the induced draft fan, of the silencer, a bag-type dust collector is arranged at the end, away from the silencer, of the fourth pipeline, a second air lock is arranged below the bag-type dust collector, an electrostatic dust collector is arranged at the end, embedded in the bag-type dust collector, of the fourth pipeline, a third pipeline is embedded in the upper portion of the bag-type dust collector, and a dust collection bag is arranged below the third pipeline; according to the coating pulverizer, the temperature of the classifier is reduced during grinding, so that the fineness and the uniformity of the coating can be remarkably improved, pigments and fillers are distributed more uniformly, the covering power and the tinting strength of the coating are improved, the appearance quality of the coating is improved, the durability and the adhesive force of the coating can be enhanced, and the coating effect is improved.

Description

Technical Field

[0001] The utility model relates to the field of powder coating processing equipment, in particular to a coating grinding machine. Background Art

[0002] A paint grinder is a device used to grind paint particles to the desired particle size. In the paint production process, a paint grinder is usually used to grind the paint that has been mixed, melted, and pressed into fine particles in the previous process in order to improve the gloss, uniformity, and coating performance of the paint.

[0003] During the production process of existing paint grinding machines, a large amount of heat is generated between the grinding roller and the paint due to high-speed friction, which can cause the powder paint to melt and agglomerate, affecting product quality. In addition, local overheating may cause equipment damage or safety hazards.

[0004] The technical problem to be solved by the present application is: how to reduce the temperature during grinding of a paint grinder. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the purpose of the utility model is to provide a paint grinding machine which can improve product quality, reduce energy consumption and reduce production costs.

[0006] The technical solution adopted by the utility model is: a paint grinding machine, including a classifier, the classifier includes an outer classifying wheel shell, a fourth pipe is embedded in the outer classifying wheel shell, an induced draft fan is provided at one end of the fourth pipe away from the outer classifying wheel shell, a silencer connected to the induced draft fan through a pipe is provided on one side of the induced draft fan, a fourth pipe is provided at one end of the silencer away from the induced draft fan, a bag dust collector is provided at one end of the fourth pipe away from the muffler, a second air-off fan is provided under the bag dust collector, an electrostatic dust collector is provided at one end of the fourth pipe embedded in the bag dust collector, a third pipe is embedded above the bag dust collector, and a dust collection bag is provided under the third pipe.

[0007] After the powder coating is classified by the cyclone classifier, the dust passes through the bag filter, the dust in the dust is adsorbed by the electrostatic dust collector, and the filtered industrial waste gas is sucked into the classifier through the induced draft fan to cool the classifier.

[0008] In some embodiments, an air outlet is embedded in one side of the outer classifying wheel; the air outlet discharges the industrial waste gas that has absorbed the heat of the classifier.

[0009] In some embodiments, an inner grading wheel shell with a clearance fit therewith is provided inside the outer grading wheel shell, a grinding roller is provided inside the inner grading wheel shell, a grading wheel is provided on the grinding roller, and a connecting rod fixedly connected thereto is provided on the grading wheel; the grinding roller grinds the powder coating raw material, and the grading wheel sucks the ground fine particles into the discharge pipe.

[0010] In some embodiments, a discharge pipe is provided on the classifier, a third motor is provided on the discharge pipe, and the third motor is fixedly connected to the connecting rod; the third motor drives the classifying wheel to rotate.

[0011] In some embodiments, a grinding machine table is provided below the classifier, a first driven wheel is embedded in the grinding machine table, the first driven wheel is fixedly connected to the connecting rod, a first transmission belt is provided outside the first driven wheel, a first driving wheel is provided inside the first transmission belt, a first motor is provided on the first driving wheel, and the first motor is embedded in the grinding machine table; the first motor drives the grinding roller to rotate through the first driving wheel and the first driven wheel in turn.

[0012] In some embodiments, a second driving wheel fixedly connected to the grinding table is provided on one side of the grinding table, a second motor fixedly connected to the second driving wheel is provided on the side away from the grinding table, a second transmission belt is provided on the outer sleeve of the second driving wheel, a second driven wheel is provided on the inner sleeve of the second transmission belt, a feeder is provided on one side of the second driven wheel, a pushing screw is provided in the feeder, the pushing screw is fixedly connected to the second driven wheel, and one end of the feeder away from the second driven wheel is fixedly connected to the classifier; the second motor rotates the pushing screw through the second driving wheel and the second driven wheel in turn to feed the material into the classifier.

[0013] In some embodiments, a first pipe is fixedly connected to one side of the discharge pipe, a cyclone separator is provided at one end of the first pipe away from the discharge port, and a first blower fixedly connected to the cyclone separator is provided under the cyclone separator; the cyclone separator extracts dust in the powder coating from the finished product.

[0014] In some embodiments, a deflector is provided on the cyclone separator, a second pipe fixedly connected to the deflector is provided on one side of the deflector, and the end of the second pipe away from the deflector is embedded in the bag collector; the deflector and the second pipe guide the fine dust into the bag collector.

[0015] The beneficial effects of the utility model are:

[0016] 1) The paint mill can significantly improve the fineness and uniformity of the paint by reducing the temperature of the classifier during grinding, making the distribution of pigments and fillers more uniform, improving the hiding power and tinting power of the paint, improving the appearance quality of the coating, and enhancing the durability and adhesion of the coating, thereby improving the coating effect.

[0017] 2) The utility model can effectively reduce energy consumption. It adopts a design to cool the classifier, which improves product quality while reducing the grinding time of powder coatings, effectively shortening the production cycle and reducing the machine's operating time. In addition, no additional equipment is required to cool the classifier during the production process, further reducing energy consumption.

[0018] 3) Paint grinding mills can further control production costs by improving material processing quality and reducing raw material waste. In addition, high-efficiency and energy-saving grinding mills can also reduce energy consumption, electricity and maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a partial structural schematic diagram of the classifier of the utility model;

[0021] Figure 3 It is a schematic diagram of the partial structure of the bag dust collector of the utility model.

[0022] In the figure: 1, grinding machine table; 2, first motor; 3, classifier; 4, discharge pipe; 5, third motor; 6, second driving wheel; 7, second motor; 8, second transmission belt; 9, second driven wheel; 10, feeder; 11, first pipeline; 12, cyclone separator; 13, first off fan; 14, steering gear; 15, second pipeline; 16, bag filter; 17, second off fan; 18, third pipeline; 19, silencer; 20, induced draft fan; 21, fourth pipeline; 22, air outlet; 23, first driving wheel; 24, first transmission belt; 25, first driven wheel; 26, grinding roller; 27, connecting rod; 28, classifier wheel; 29, inner classifier wheel shell; 30, outer classifier wheel shell; 31, dust bag; 32, electrostatic dust collector. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1The utility model provides a technical solution: a coating mill comprises a mill table 1, a first motor 2 is embedded on the mill table 1, a classifier 3 is provided on one side of the first motor 2, a discharge pipe 4 is provided on the classifier 3, a third motor 5 fixedly connected thereto is provided on the discharge pipe 4, a second driving wheel 6 is provided on one side of the mill table 1, a second motor 7 fixedly connected thereto is provided on the side of the second driving wheel 6 away from the mill table 1, a second driving belt 8 is provided on the outer sleeve of the second driving wheel 6, a second driven wheel 9 is provided on the inner sleeve of the second driving belt 8, a feeder 10 is provided on one side of the second driven wheel 9, a push screw is provided in the feeder 10, the push screw is fixedly connected to the second driven wheel 9, one end of the feeder 10 away from the second driven wheel 9 is fixedly connected to the classifier 3, a first pipeline 11 fixedly connected thereto is provided on one side of the discharge pipe 4, the first pipeline 11 is away from A cyclone separator 12 fixedly connected to the discharge pipe 4 is provided at one end thereof, a first shut-off fan 13 fixedly connected to the cyclone separator 12 is provided below the cyclone separator 12, a diverter 14 is provided on the cyclone separator 12, a second pipe 15 fixedly connected to the diverter 14 is provided at a section of the diverter 14 away from the cyclone separator 12, a bag dust collector 16 is provided at one end of the second pipe 15 away from the diverter 14, a second shut-off fan 17 is provided below the bag dust collector 16, a third pipe 18 is provided at one side of the bag dust collector 16, a muffler 19 is provided at one end of the third pipe 18 away from the bag dust collector 16, an induced draft fan 20 connected to the muffler 19 through a pipe is provided at one end of the muffler 19 away from the third pipe 18, a fourth pipe 21 is provided at one end of the induced draft fan 20 away from the muffler 19, the fourth pipe 21 is embedded in the classifier 3, and an air outlet 22 is provided outside the classifier 3.

[0025] See also Figure 2 A first driving wheel 23 fixedly connected to the first motor 2 is provided under the first motor 2, a first transmission belt 24 is provided on the outer cover of the first driving wheel 23, a first driven wheel 25 is provided inside the first transmission belt 24, a grinding roller 26 fixedly connected to the first driven wheel 25 is provided on the first driven wheel 25, a connecting rod 27 fixedly connected to the first driven wheel 25 is provided on the grinding roller 26, an end of the connecting rod 27 away from the grinding roller 26 is fixedly connected to the third motor 5, a grading wheel 28 is provided above the grinding roller 26, an inner grading wheel shell 29 is provided outside the grading wheel 28, the inner grading wheel shell 29 is fixedly connected to the first pipe 11, an outer grading wheel shell 30 is provided outside the inner grading wheel shell 29 with a clearance fit therewith, and the air outlet 22 is embedded in the outer grading wheel shell 30.

[0026] See also Figure 3 A dust bag 31 fixedly connected to the second pipe 15 is disposed below the second pipe 15 , an electrostatic dust collector 32 is disposed on the dust bag 31 , and one side of the electrostatic dust collector 32 is fixedly connected to the third pipe 18 .

[0027] The working principle and use process of the utility model are as follows: first, when it is necessary to grind the powder coating after tableting, the powder coating is poured into the coating grinder from the feeder 10, and is pushed into the grinding roller 26 by the pushing screw. After the grinding roller 26 grinds the coating, the classifying wheel 28 sucks out the powder, and the powder enters the cyclone separator 12 through the first pipe, and the dust is separated in the cyclone separator 12. The finished product is discharged through the first-level fan 13, and the dust enters the bag dust collector 16. The dust is adsorbed by the dust removal bag 31 in the bag dust collector 16, and the excess air is discharged through the third pipe 18 and enters the outer classifying wheel shell 30 through the muffler 19 and the induced draft fan 20 in turn, and is discharged from the air outlet 22 after the classifying wheel 28 and the grinding roller 26 are cooled.

[0028] Finally, it should be noted that the above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A paint grinding machine, characterized in that: The classifier (3) comprises an outer classifying wheel shell (30), a fourth pipe (21) is embedded in the outer classifying wheel shell (30), an induced draft fan (20) is provided at one end of the fourth pipe (21) away from the outer classifying wheel shell (30), a muffler (19) connected to the induced draft fan (20) through a pipe is provided on one side of the induced draft fan (20), a fourth pipe (21) is provided at one end of the muffler (19) away from the induced draft fan (20), a bag dust collector (16) is provided at one end of the fourth pipe (21) away from the muffler (19), a second air shut-off fan (17) is provided below the bag dust collector (16), an electrostatic dust collector (32) is provided at one end of the fourth pipe (21) embedded in the bag dust collector (16), a third pipe (18) is embedded above the bag dust collector (16), and a dust bag (31) is provided below the third pipe (18).

2. The paint grinding machine according to claim 1, characterized in that: An air outlet (22) is embedded on one side of the outer grading wheel housing (30).

3. The paint grinding machine according to claim 1, characterized in that: An inner classifying wheel shell (29) is provided in the outer classifying wheel shell (30) and is clearance-matched therewith. A grinding roller (26) is provided in the inner classifying wheel shell (29). A classifying wheel (28) is provided on the grinding roller (26). A connecting rod (27) is provided on the classifying wheel (28) and is fixedly connected thereto.

4. The paint grinding machine according to claim 3, characterized in that: The classifier (3) is provided with a discharge pipe (4), the discharge pipe (4) is provided with a third motor (5), and the third motor (5) is fixedly connected to a connecting rod (27).

5. A paint grinding machine according to claim 1, characterized in that: A grinding table (1) is provided below the classifier (3), a first driven wheel (25) is embedded in the grinding table (1), the first driven wheel (25) is fixedly connected to a connecting rod (27), a first transmission belt (24) is provided on the outer sleeve of the first driven wheel (25), a first driving wheel (23) is provided inside the first transmission belt (24), a first motor (2) is provided on the first driving wheel (23), and the first motor (2) is embedded in the grinding table (1).

6. The paint grinding machine according to claim 5, characterized in that: A second driving wheel (6) fixedly connected to the grinding machine (1) is provided on one side of the grinding machine table (1); a second motor (7) fixedly connected to the grinding machine table (1) is provided on the side of the second driving wheel (6) away from the grinding machine table (1); a second transmission belt (8) is provided on the outer shell of the second driving wheel (6); a second driven wheel (9) is provided inside the second transmission belt (8); a feeder (10) is provided on one side of the second driven wheel (9); a push screw is provided inside the feeder (10); the push screw is fixedly connected to the second driven wheel (9); and one end of the feeder (10) away from the second driven wheel (9) is fixedly connected to the classifier (3).

7. The paint grinding machine according to claim 4, characterized in that: A first pipe (11) fixedly connected to the discharge pipe (4) is provided on one side thereof, a cyclone separator (12) is provided at one end of the first pipe (11) away from the discharge pipe (4), and a first blower (13) fixedly connected to the cyclone separator (12) is provided below the cyclone separator (12).

8. The paint grinding machine according to claim 7, characterized in that: The cyclone separator (12) is provided with a deflector (14), one side of the deflector (14) is provided with a second pipe (15) fixedly connected thereto, and one end of the second pipe (15) away from the deflector (14) is embedded in the bag dust collector (16).

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