SUMMERY OF THE UTILITY MODEL
An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.
To achieve these objects and other advantages in accordance with the purpose of the invention, there is provided a powder coating material sieving apparatus including:
a frame; a trommel, comprising: a drum disposed on the frame; and the inner wall of the roller is provided with smooth areas and hole areas at intervals; the transmission shaft is arranged in the roller, and two ends of the transmission shaft are rotatably arranged on the rack through a bearing with a seat; the grinding wheels are connected to the transmission shaft through connecting rods and are in contact with a smooth area in the roller; the multiple groups of hairbrushes are connected to the transmission shaft through support rods and are in contact with the hole area in the roller; the motor I is connected to one end of the transmission shaft to drive the multiple groups of grinding wheels and the multiple groups of brushes to rotate in the roller; the motor II drives the roller to rotate on the frame through a transmission device; the rotating direction of the transmission shaft is opposite to that of the roller; and the rotary vibration sieve is arranged on the rack and is positioned below the drum sieve. Preferably, a plurality of universal wheels are arranged at the bottom of the frame.
Preferably, one side of the rack is provided with two bearings with seats, a transmission rod is arranged between the two bearings with seats, one end of the transmission rod is connected with an active transmission wheel, and the other end of the transmission rod is connected with an auxiliary transmission wheel; a roller-shaped sliding groove is formed in the outer part of the roller screen, and the auxiliary driving wheel is matched with the outer part of the roller-shaped sliding groove; the rack is also provided with a plurality of driven transmission wheels, and the driven transmission wheels are matched with the bottom of the roller-shaped sliding chute; the transmission device comprises a motor and a belt pulley on the output end of the motor, and the belt pulley is connected with the driving transmission wheel through a belt.
Preferably, openings are formed in two ends of the roller, roller covers are in threaded connection with the openings at the two ends, and the roller covers can reduce the powder coating from flying out of the roller when the powder coating rotates in the roller. The centers of the roller covers at the two ends of the roller are provided with round holes, and the transmission shaft penetrates through the round holes of the roller covers and is not in contact with the round holes; the roller cover is also provided with a cylindrical protruding part, and the protruding part is in threaded connection with a sealing cover.
Preferably, the plurality of groups of grinding wheels are at least three groups of grinding wheels, and each group of grinding wheels comprises a first grinding wheel and a second grinding wheel which are respectively connected to the transmission shaft through a connecting rod; the first grinding wheel and the second grinding wheel are arranged oppositely.
Preferably, the plurality of groups of brushes comprise at least three groups of brushes, and each group of brushes comprises a first brush and a second brush which are respectively connected to the transmission shaft through a support rod; the first brush and the second brush are arranged oppositely; the brush head of the brush is a steel wire spring brush head.
Preferably, a material receiving hopper is connected to a feed inlet of the rotary vibrating screen, and the material receiving hopper is located below the roller.
The utility model discloses at least, include following beneficial effect: this device has added rotatable multiunit grinding miller when the primary screening of drum sieve and has made powder coating come out in the drum sieve from grinding the storehouse and realize the secondary grinding, has added in addition and can clear up the powder coating of card in the hole in the cylinder when grinding with the multiunit brush that multiunit grinding miller interval set up. Meanwhile, the rotation directions of the multiple groups of grinding wheels and the roller are opposite, so that powder coatings with different sizes can be better separated in the roller screen, and the screening effect is enhanced.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
The specific implementation mode is as follows:
the present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It should be noted that in the description of the present invention, the terms indicating the orientation or the positional relationship are based on the orientation or the positional relationship shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, such as "connected," which may be a fixed connection, a detachable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, or a connection between two elements, and those skilled in the art will understand the specific meaning of the terms in the present invention in a specific context.
Furthermore, in the present disclosure, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature in direct contact with the first and second features, or in indirect contact with the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in FIGS. 1-4: the utility model discloses an implementation form, include:
a frame 100; a trommel, comprising: a drum 1 provided on the frame 100; and the inner wall of the roller 1 is provided with a smooth area 103 and a hole area 102 at intervals; a transmission shaft 12 arranged in the roller 1, wherein two ends of the transmission shaft 12 are rotatably arranged on the frame 100 through a bearing with a seat; a plurality of sets of grinding wheels connected to the drive shaft 12 by a connecting rod 13 and in contact with a smooth area 103 inside the drum; a plurality of sets of brushes connected to the transmission shaft 12 through a support rod 14, and the plurality of sets of brushes are in contact with the hole area 102 in the roller; the motor I is connected to one end of the transmission shaft 12 to drive a plurality of groups of grinding wheels and a plurality of groups of brushes to rotate in the roller 1; a motor II 300 which drives the roller 1 to rotate on the frame 100 through a transmission device; and the rotation direction of the transmission shaft 12 is opposite to the rotation direction of the roller 1; and the rotary vibration screen 20 is arranged on the frame 100, and the rotary vibration screen 20 is positioned below the rotary screen.
In the technical scheme, after powder coating is put into the roller 1, the motor I drives the transmission shaft 12 to rotate, a plurality of groups of grinding wheels rotate through the transmission shaft 12 in the smooth area 103 in the roller 1 to enable the powder coating to be ground on the inner wall of the roller 1 for the second time, and meanwhile, a plurality of groups of brushes scrape the powder coating clamped in the holes 102 in the adjacent hole areas 102 so as to enable the powder coating to be continuously ground and screened. The motor II 300 rotates on the frame 100 through the transmission device, and the rotation direction of the transmission shaft 12 is opposite to the rotation direction of the roller 1, so that the powder coating in the roller 1 is driven to be sufficiently separated in the roller 1. After the primary screening of the roller 1, the powder coating with smaller size enters the rotary vibration sieve 20 through the holes in the hole area 102 in the roller 1, and the powder coating with larger size remains in the roller 1 to be ground. The rotary vibration sieve 20 can perform three-dimensional vibration so as to ensure that the powder coating in the rotary vibration sieve 20 can be more fully screened in the rotary vibration sieve.
In the above technical solution, the bottom of the frame 100 is provided with a plurality of universal wheels 200. So that the device is convenient to move.
In the above technical solution, one side of the rack 100 is provided with two bearings 304 with seats, a transmission rod 303 is arranged between the two bearings 304 with seats, one end of the transmission rod 303 is connected with a driving transmission wheel 301, and the other end is connected with an auxiliary transmission wheel 305; a roller-shaped chute 105 is arranged outside the roller screen, and the auxiliary driving wheel 305 is matched with the outside of the roller-shaped chute 105; the rack 100 is also provided with a plurality of driven transmission wheels 306, and the driven transmission wheels 306 are matched with the bottom of the roller-shaped chute 105; the driving transmission wheel 301 is driven to rotate by the motor II 300, so that the auxiliary transmission wheel 305 on the transmission rod is driven to rotate, the auxiliary transmission wheel 305 is matched with the bottom of the roller-shaped chute 105 to drive the roller 1 to rotate, and the driven transmission wheels 306 play a role in auxiliary support rolling rotation. The transmission device comprises a motor 300 and a belt pulley 307 on the output end of the motor, wherein the belt pulley 307 is connected with a driving transmission wheel 301 through a belt 302.
In the above technical scheme, openings are arranged at two ends of the roller 1, the openings at the two ends are in threaded connection with the roller covers 101, and the roller covers 101 can reduce the powder coating from flying out of the roller 1 when the roller 1 rotates. Round holes 114 are formed in the centers of the roller covers 101 at the two ends of the roller 1, and the transmission shaft 12 penetrates through the round holes 114 of the roller covers 101 and is not in contact with the round holes 114; the drum cover 101 is further provided with a cylindrical protruding portion 113, the protruding portion 113 is in threaded connection with a sealing cover 112, and charging in the drum 1 is achieved through the sealing cover 112.
In the above technical solution, the plurality of groups of grinding wheels are at least three groups of grinding wheels, and each group of grinding wheels includes a first grinding wheel 11 and a second grinding wheel 16 which are respectively connected to the transmission shaft 12 through a connection rod 13; the first grinding wheel 11 and the second grinding wheel 16 are oppositely arranged; the multiple sets of grinding wheels arranged on the transmission shaft 12 enable the powder coating in the whole roller 1 to be ground for the second time.
In the above technical solution, the plurality of sets of brushes are at least three sets of brushes, each set of brushes comprises a first brush 15 and a second brush 17 which are respectively connected to the transmission shaft 12 through a support rod 14; the first hairbrush 15 and the second hairbrush 17 are oppositely arranged; the brush head of the brush is a steel wire spring brush head. The multiunit brush that sets up with multiunit grinding miller interval can utilize harder wire spring's brush head to scrape it out when the hole of powder coating card in cylinder 1 to make it continue to carry out secondary grinding and screening in cylinder 1.
In the above technical solution, the feed inlet 16 of the rotary vibrating screen 20 is connected with a receiving hopper 15, and the receiving hopper 15 is located below the drum 1. By adopting the mode of arranging the receiving hopper, the powder coating in the roller 1 can effectively enter the rotary vibration sieve 20.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While the embodiments of the invention have been described above, it is not intended to be limited to the details shown, or described, but rather to cover all modifications, which would come within the scope of the appended claims, and all changes which come within the meaning and range of equivalency of the art are therefore intended to be embraced therein.