CN220277563U - Powder coating screening ware - Google Patents

Abstract

The utility model discloses a powder coating screening device, wherein powder is added into a feeding shell through a feed hopper, a spiral blade on a rotating shaft rotates under the action of a first motor to drive the powder to move and fall onto a screening plate from a blanking port, the powder is driven to slowly and uniformly feed onto the screening plate through the spiral blade, the uniform powder feeding can uniformly distribute particles on the screening plate, the blocking condition of screen holes is reduced, when screening is performed, a second motor starts to drive an eccentric wheel on a fixed flange to rotate, the screening plate can move up and down in two groups of limiting blocks due to the contact of the eccentric wheel and the screening plate, the screening plate vibrates to screen the powder on the screening plate, and a cylinder drives a brush plate to brush the powder on the screening plate back and forth while the screening plate vibrates, so that the powder is quickened to be filtered and the blocking and the adhesion of larger powder on the screen holes are prevented.

Description

Powder coating screening ware

Technical Field

The utility model belongs to the technical field of powder coating production, and particularly relates to a powder coating screening device.

Background

Compared with the liquid coating, the powder coating has the characteristics of no solvent, no pollution, high mechanical strength of coating film and the like because of the characteristics of less raw material components and no solvent volatilization, and in the production flow of the powder coating, the ground powder can be further screened by a screening device to obtain products meeting different construction requirements.

Through retrieving, chinese publication (bulletin) is CN217569580U, a thermosetting fluorocarbon powder coating screening is with screen cloth frame, including the top be connected with screening plant and inside be equipped with drive arrangement's frame, screening plant includes the casing of fixed connection in the frame and can dismantle the screen cloth frame of connecting on the casing, be equipped with the filter screen on the screen cloth frame, fixedly connected with first discharge gate on the casing lateral wall, pour powder coating into the back, powder coating can take place to remove at screen cloth frame surface, wherein partial powder coating can fall into screen cloth frame or the casing of below from the filter screen, and other part powder coating can pile up at the slow rotation in screen cloth frame edge and filter, the shake effect that powder coating can be on the filter screen is strengthened under drive arrangement's drive and baffle's blocking effect, screening efficiency has been improved.

The above-mentioned thermosetting fluorocarbon powder coating screening machine can screen powder coating, but at present screening is in many cases pouring a large amount of powder coating directly into airtight screen separator, because the powder before screening uneven thickness, when directly pouring on the screening board in the screen separator, not only can produce a large amount of dust when screening, can also block up the screen cloth of screening board because of particle diameter distribution is inhomogeneous, leads to screening inefficiency, can't reach expected screening effect.

Disclosure of Invention

The present utility model is directed to a powder coating classifier that solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a powder coating screening ware, includes base and the box of fixed mounting on the base, box top fixedly connected with feed shell, feed shell internal rotation is connected with the pivot, pivot surface fixedly connected with a plurality of helical blade, just be located pivot right side fixed mounting in the feed shell and have first motor, the output shaft and the pivot of first motor are connected, upper portion both sides fixedly connected with stopper in the box, two sets of sliding connection has the screening board between the stopper.

Preferably, the second motor is fixedly installed on the right side of the box body, an output shaft of the second motor rotates to penetrate through the box body and then is fixedly connected with the fixing flange, and an eccentric wheel is fixedly arranged on the surface of the fixing flange and is in contact connection with the screening plate.

Preferably, each group of fixing plates are connected in the limiting block in a sliding manner, the tops of two sides of the screening plates penetrate through the limiting block in a sliding manner through the sliding rods and then are fixedly connected with the fixing plates, each group of fixing plates is fixedly connected with a spring, and the other ends of the springs are fixedly connected with the limiting block.

Preferably, the left side of screening board is equipped with the cylinder, the output fixedly connected with brush board of cylinder and the bottom of brush board and screening board contact connection.

Preferably, the box is internally provided with a collecting bin which is fixedly connected with the bottom of the screening plate, and the bottom of the collecting bin is communicated with a discharging pipe.

Preferably, the feeding shell top and be close to the one end of first motor and be equipped with the feeder hopper, feeding shell left side bottom is equipped with the blanking mouth.

Preferably, the front end of the box body is hinged with a cabinet door.

The utility model has the technical effects and advantages that: the powder coating screening device comprises a base and a box body fixedly arranged on the base, wherein powder is added into a feeding shell through a feed hopper, a spiral blade on a rotating shaft rotates under the action of a first motor to drive the powder to move and fall onto a screening plate from a blanking port, the powder is driven to be slowly and uniformly fed onto the screening plate through the spiral blade, particles on the screening plate can be uniformly distributed by uniformly feeding the powder, the accumulation and aggregation of the particles are avoided in the screening process, the blocking condition of sieve holes is reduced, and the screening efficiency is improved;

when screening, the second motor starts to drive the eccentric wheel on the fixed flange to rotate, because the eccentric wheel contacts with the screening plate, the screening plate can move up and down in two groups of limiting blocks, the screening plate vibrates, powder on the screening plate is screened, and when the screening plate vibrates, the cylinder drives the brush plate to move back and forth on the screening plate to brush the powder on the screening plate, so that powder filtering is accelerated, larger powder blocking and adhesion are prevented on the sieve holes, the adhesion of the powder can be prevented through brushing, and the blocking of the sieve holes is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the structure of the brush plate of the present utility model brushing on the screen plate;

fig. 4 is a schematic view of the structure of the screening plate of the present utility model when the fixed block on the back surface contacts the eccentric.

In the figure: 1. a base; 2. a case; 3. a feed housing; 4. a rotating shaft; 5. a helical blade; 6. a first motor; 7. a limiting block; 8. a screening plate; 9. a second motor; 10. a fixed flange; 11. an eccentric wheel; 12. a fixing plate; 13. a spring; 14. a cylinder; 15. brushing a plate; 16. a collecting bin; 17. a discharge pipe; 18. a feed hopper; 19. a blanking port; 20. a cabinet door; 21. a fixed block; 22. and a sliding groove.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a powder coating screening device as shown in figures 1-4, which comprises a base 1 and a box body 2 fixedly arranged on the base 1, wherein the top of the box body 2 is fixedly connected with a feeding shell 3, a rotating shaft 4 is rotationally connected with the feeding shell 3, the surface of the rotating shaft 4 is fixedly connected with a plurality of spiral blades 5, a first motor 6 is fixedly arranged in the feeding shell 3 and positioned on the right side of the rotating shaft 4, an output shaft of the first motor 6 is connected with the rotating shaft 4, two sides of the upper part in the box body 2 are fixedly connected with limiting blocks 7, and screening plates 8 are connected between the two groups of limiting blocks 7 in a sliding manner.

The right side of the box body 2 is fixedly provided with a second motor 9, an output shaft of the second motor 9 rotates to penetrate through the box body 2 and then is fixedly connected with a fixed flange 10, an eccentric wheel 11 is fixed on the surface of the fixed flange 10, and the eccentric wheel 11 is in contact connection with the screening plate 8.

Each group of limiting blocks 7 are internally and slidably connected with fixed plates 12, tops of two sides of the screening plates 8 penetrate through the limiting blocks 7 in a sliding mode through sliding rods 101 and are fixedly connected with the fixed plates 12, springs 13 are fixedly connected to the tops of the fixed plates 12, and the other ends of the springs 13 are fixedly connected with the limiting blocks 7.

The screening board 8 left side is equipped with cylinder 14, the output fixedly connected with brush board 15 of cylinder 14 and the bottom of brush board 15 and screening board 8 contact connection, cylinder 14 drive brush board 15 and make a round trip to move on screening board 8 and brush the powder on the screening board 8 for powder filters.

The box 2 is internally provided with a collecting bin 16 fixedly connected with the bottom of the screening plate 8, the bottom of the collecting bin 16 is communicated with a discharging pipe 17, and the collecting bin 16 is used for collecting screened powder and discharging the powder through the discharging pipe 17.

The top of feeding shell 3 and be close to the one end of first motor 6 and be equipped with feeder hopper 18, feeding shell 3 left side bottom is equipped with blanking mouth 19, adds the powder through feeder hopper 18, and blanking mouth 19 evenly feeds to screening board 8.

The front end of the box body 2 is hinged with a cabinet door 20, and when screening is completed, the cabinet door 20 can be opened to clean and recycle the powder which is not screened out on the screening plate 8 because of larger particle size.

The powder coating screening device comprises a base 1 and a box body 2 fixedly arranged on the base 1, wherein powder is added into a feeding shell 3 through a feed hopper 18, a spiral blade 5 on a rotating shaft 4 rotates under the action of a first motor 6 to drive the powder to move and fall onto a screening plate 8 from a blanking port 19, the powder is driven to be slowly and uniformly fed onto the screening plate 8 through the spiral blade 5, particles on the screening plate 8 can be uniformly distributed by uniformly feeding the powder, the accumulation and aggregation of the particles are avoided in the screening process, the blocking condition of screen holes is reduced, and the screening efficiency is improved;

during screening, the second motor 9 starts to drive the eccentric wheel 11 on the fixed flange 10 to rotate, as the eccentric wheel 11 is in contact with the screening plate 8, the screening plate 8 can move up and down in the two groups of limiting blocks 7 and compress the spring 13 through the fixed plate 12, the screening plate 8 vibrates, powder on the screening plate 8 is screened, as shown in fig. 4, when the eccentric wheel 11 rotates, a plurality of balls rotating on the surface of the eccentric wheel 11 can be in contact with the sliding grooves 22 on the fixed block 21 at the bottom of the screening plate 8, abrasion can be reduced when the eccentric wheel 11 is in contact with the screening plate 8, the service life of the screening plate 8 is prolonged, the cylinder 14 drives the brush plate 15 to brush the powder on the screening plate 8 back and forth when the screening plate 8 vibrates, so that the powder is uniformly paved on the screening plate 8, powder is quickened to be filtered, the powder is prevented from being blocked and adhered on the sieve holes, and the blocking of the powder can be prevented by brushing.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. The utility model provides a powder coating screening ware, includes base (1) and fixed mounting box (2) on base (1), its characterized in that: the novel feeding box comprises a box body (2), and is characterized in that a feeding shell (3) is fixedly connected to the top of the box body (2), a rotating shaft (4) is rotationally connected to the feeding shell (3), a plurality of spiral blades (5) are fixedly connected to the surface of the rotating shaft (4), a first motor (6) is fixedly installed on the right side of the rotating shaft (4) in the feeding shell (3), an output shaft of the first motor (6) is connected with the rotating shaft (4), limiting blocks (7) are fixedly connected to the two sides of the upper portion of the box body (2), and screening plates (8) are slidably connected between the limiting blocks (7).

2. A powder paint classifier as claimed in claim 1, wherein: the novel screening device is characterized in that a second motor (9) is fixedly mounted on the right side of the box body (2), an output shaft of the second motor (9) penetrates through the box body (2) in a rotating mode and then is fixedly connected with a fixing flange (10), an eccentric wheel (11) is fixed on the surface of the fixing flange (10), and the eccentric wheel (11) is in contact connection with the screening plate (8).

3. A powder paint classifier as claimed in claim 1, wherein: every group all sliding connection has fixed plate (12) in stopper (7), screening board (8) both sides top is through slide bar (101) slip run through stopper (7) back with fixed plate (12) fixed connection, every group fixed plate (12) top all fixedly connected with spring (13) and spring (13) other end and stopper (7) fixed connection.

4. A powder paint classifier as claimed in claim 1, wherein: the left side of screening board (8) is equipped with cylinder (14), the output fixedly connected with brush board (15) of cylinder (14) and the bottom of brush board (15) and screening board (8) contact and are connected.

5. A powder paint classifier as claimed in claim 1, wherein: the screening box is characterized in that a collecting bin (16) is fixedly connected to the bottom of the screening plate (8) in the box body (2), and a discharging pipe (17) is communicated with the bottom of the collecting bin (16).

6. A powder paint classifier as claimed in claim 1, wherein: the feeding shell (3) top and be close to one end of first motor (6) are equipped with feeder hopper (18), feeding shell (3) left side bottom is equipped with blanking mouth (19).

7. A powder paint classifier as claimed in claim 1, wherein: the front end of the box body (2) is hinged with a cabinet door (20).