CN221475772U - Plastic granules screening plant - Google Patents

Abstract

The utility model belongs to the technical field of plastic particle screening, specifically a plastic particle screening device, including a base; two vertical plates of different heights are fixedly connected to the base, the two vertical plates are cooperated with and fixedly connected with an inclined plate, four columns are fixedly connected to the inclined plate, the top ends of the four columns are cooperated with and fixedly connected with a fixed frame, four fixed plates are fixedly connected to the fixed frame, a rotating shaft is rotatably installed between every two fixed plates, a conveying roller is mounted on the outer circumferential surface of the rotating shaft, a screening drum is rotatably installed with two conveying rollers, a first motor is installed on the two fixed plates at the upper ends, and the output end of the first motor is connected to one end of the rotating shaft; during screening, the utility model can prevent residues and debris from adhering to the inner wall of the screening drum, and further can avoid clogging of the filter holes, thereby ensuring the screening effect, so that the residues and debris are completely removed from the plastic particles, and the subsequent product processing quality is improved.

Description

Plastic particle screening device

Technical Field

The utility model relates to the technical field of plastic particle screening, in particular to a plastic particle screening device.

Background technique

Plastic granules are granular materials made from plastics through processes such as melting, extrusion, and granulation. They are a very important industrial raw material. During the processing of plastic granules, in order to remove the debris and residue mixed in the plastic granules, a screening device is needed to screen them.

A Chinese patent with announcement number CN212554602U discloses a plastic particle screening device, including a main frame, a feeding mechanism is arranged at the upper end of the main frame, a screening box is arranged on the inner side of one end of the main frame, one end of the screening box is connected to a driving mechanism, both ends of the screening box are rotatably connected to movable plates via a rotating shaft, the upper end of the movable plate is rotatably connected to the main frame via a rotating shaft, and a screening channel is arranged on the inner side of the screening box; when screening plastic particles, the utility model can not only push and feed the plastic particles evenly, but also automatically complete screening of the particles during movement in the screening channel.

In the existing plastic particle screening device, when screening, the residue and debris contained in the plastic particles are easily adhered to the inner wall of the screening cylinder, causing the filter holes on the screening cylinder to be easily blocked, thereby affecting the screening effect; therefore, a plastic particle screening device is proposed to address the above problem.

Utility Model Content

In order to make up for the deficiencies of the prior art and solve the problems raised by the above-mentioned background technology, the utility model proposes a plastic particle screening device.

The technical solution adopted by the utility model to solve its technical problems is: a plastic particle screening device described in the utility model comprises a base; two vertical plates of different heights are fixedly connected to the base, the two vertical plates are matched and fixedly connected with an inclined plate, four columns are fixedly connected to the inclined plate, the tops of the four columns are matched and fixedly connected with a fixed frame, four fixed plates are fixedly connected to the fixed frame, a rotating shaft is matched and rotatably installed between every two fixed plates, a conveying roller is sleeved on the outer circumferential surface of the rotating shaft, a screening drum is matched and rotatably installed on the two conveying rollers, and the screening drum is arranged in the fixed frame, a first motor is installed on the two fixed plates at the upper end, the output end of the first motor is connected to one end of the rotating shaft, two mounting seats are fixedly connected to the inclined plate, a rotating column is rotatably installed in the two mounting seats, the outer surfaces of the two rotating columns are matched and sleeved with crawlers, and the crawlers are arranged on the inner and outer sides of the screening drum, and the crawlers are in contact with the inner circumferential surface of the screening drum, a second motor is installed on the side wall of a mounting seat, the output end of the second motor is connected to one end of the rotating column, and the inclined plates are respectively provided with The slag discharge port and the debris impurity removal port, the port of the slag discharge port is fixedly connected with a scraper, and the crawler runs through the scraper arrangement, and two baffles are fixedly connected to the inclined plate. When screening, the first motor is operated to rotate the conveying roller, thereby forcing the screening drum to rotate as well, so that the plastic particles in the screening drum 9 can be screened, and the residue and debris mixed in the plastic particles can fall through the filter holes onto the inclined plate, and then slide along the inclined plate into the slag discharge port, and finally be discharged through the slag discharge port, and the plastic particles without residue and debris slide along the bottom of the screening drum The scraper can scrape the scraper off the inner wall of the screening drum, thereby preventing the scraper from sticking to the inner wall of the screening drum, and thus avoiding the clogging of the filter holes, thereby ensuring the screening effect, completely removing the scraper from the plastic particles, and improving the subsequent product processing quality.

Preferably, a support plate is fixedly connected to the side wall of the fixed frame, a third motor is installed on the support plate, a rotating disk is installed on the output end of the third motor, an eccentric rod is fixedly connected to the rotating disk, a fixed seat is fixedly connected to the support plate, a pendulum is hinged on the fixed seat, a spring is fixedly connected between the pendulum and the fixed frame, when screening is performed, the third motor is operated to make the rotating disk drive the eccentric rod to rotate reciprocatingly, and under the action of the eccentric rod, the pendulum reciprocates and strikes the screening cylinder, thereby reducing the phenomenon of residues and debris hanging on the wall.

Preferably, a residue collecting groove is fixedly connected to the base, and the residue collecting groove is arranged directly below the slag discharge port. When the device is used, by setting the residue collecting groove, the residue cleaned by the scraper can fall into the residue collecting groove through the slag removal port, thereby realizing the collection of residual value.

Preferably, a support column is fixedly connected to the base, a feed hopper is fixedly connected to the support column, and the bottom outlet of the feed hopper is arranged in the screening cylinder. When the device is used, by setting the feed hopper, it is convenient to pass the plastic particles to be screened into the screening cylinder through the feed hopper, thereby facilitating subsequent screening operations.

The utility model is beneficial in that:

1. When the utility model is screening, the first motor is operated to rotate the conveying roller, thereby forcing the screening drum to rotate accordingly, so that the plastic particles in the screening drum can be screened, and the residues and debris mixed in the plastic particles fall onto the inclined plate through the filter holes, then slide along the inclined plate to the slag discharge port, and finally discharged through the slag discharge port, and the plastic particles without residues and debris slide out along the bottom of the screening drum, so that the plastic particles and the residues and debris can be screened and separated;

2. During the screening process, the utility model starts the second motor at the same time to rotate the crawler belt, so that the residues and debris stuck on the inner wall of the screening drum can be removed. The scraper can scrape and clean the residues and debris stuck on the crawler belt, ensuring the scraping effect of the crawler belt on the inner wall of the screening drum, thereby preventing the residues and debris from adhering to the inner wall of the screening drum, and then avoiding the clogging of the filter holes, thereby ensuring the screening effect, and completely removing the residues and debris from the plastic particles, improving the subsequent product processing quality;

3. When the utility model is screening, the third motor is operated to make the rotating disk drive the eccentric rod to rotate back and forth. Under the action of the eccentric rod, the pendulum strikes the screening cylinder back and forth, thereby reducing the phenomenon of residues and debris hanging on the wall.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

FIG1 is a schematic diagram of the overall front view of the three-dimensional structure of the screening device;

Figure 2 is a schematic diagram of the three-dimensional structure of the screening mechanism;

Figure 3 is a schematic diagram of the three-dimensional structure of the crawler assembly;

FIG4 is a schematic diagram of the three-dimensional structure of the screening drum assembly;

FIG. 5 is a schematic diagram of the three-dimensional structure of the striking mechanism.

In the figure: 1. base; 2. vertical plate; 3. inclined plate; 4. column; 5. fixed frame; 6. fixed plate; 7. conveyor roller; 8. first motor; 9. screening drum; 10. mounting seat; 11. crawler; 12. second motor; 13. scraper; 14. slag removal port; 15. slag discharge port; 16. baffle; 17. residue collection trough; 18. support plate; 19. third motor; 20. rotating disk; 21. eccentric rod; 22. fixed seat; 23. pendulum; 24. spring; 25. support column; 26. feed hopper.

Detailed ways

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 of 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.

Please refer to Figures 1-4, a plastic particle screening device includes a base 1; two vertical plates 2 of different heights are fixedly connected to the base 1, and the two vertical plates 2 are matched and fixedly connected with an inclined plate 3, and four columns 4 are fixedly connected to the inclined plate 3, and the tops of the four columns 4 are matched and fixedly connected with a fixed frame 5, and four fixed plates 6 are fixedly connected to the fixed frame 5. A rotating shaft is rotatably installed between every two fixed plates 6, and a conveying roller 7 is mounted on the outer circumferential surface of the rotating shaft. A screening drum 9 is rotatably installed on the two conveying rollers 7, and the screening drum 9 is arranged in the fixed frame 5 and is located on the two fixed plates 6 at the upper end. A first motor 8 is installed on each of the two mounting seats 10, and the output end of the first motor 8 is connected to one end of the rotating shaft. Two mounting seats 10 are fixedly connected to the inclined plate 3, and rotating columns are rotatably installed in the two mounting seats 10. The outer surfaces of the two rotating columns are matched with tracks 11, and the tracks 11 are arranged on the inner and outer sides of the screening drum 9, and the tracks 11 are in contact with the inner circumferential surface of the screening drum 9. A second motor 12 is installed on the side wall of one mounting seat 10, and the output end of the second motor 12 is connected to one end of the rotating column. A slag removal port 14 and a slag discharge port 15 are respectively opened on the inclined plate 3, and the slag removal port 1 A scraper 13 is fixedly connected to the end of 4, and the crawler 11 passes through the scraper 13. Two baffles 16 are fixedly connected to the inclined plate 3. When screening, the material is firstly allowed to enter the screening drum 9 through the feed hopper 26, and at the same time, the first motor 8 is started to rotate the conveying roller 7, thereby forcing the screening drum 9 to rotate as well, so that the residues and debris mixed in the plastic particles fall onto the inclined plate 3 through the filter holes, and then slide along the inclined plate 3 to the slag discharge port 15, and finally discharged through the slag discharge port 15, and the plastic particles without the residues and debris slide out along the bottom end of the screening drum 9, so that the plastic particles can be The particles and the residues and debris are screened and separated; at the same time, the second motor 12 is started to rotate the crawler 11, so that the residues and debris adhering to the inner wall of the screening drum 9 can be removed, and the scraper 13 can scrape and clean the residues and debris adhering to the crawler 11, thereby ensuring the scraping effect of the crawler 11 on the inner wall of the screening drum 9, thereby preventing the residues and debris from adhering to the inner wall of the screening drum 9, and then avoiding the clogging of the filter holes, thereby ensuring the screening effect, and completely removing the residues and debris from the plastic particles, thereby improving the subsequent product processing quality.

A residue collecting groove 17 is fixedly connected to the base 1, and the residue collecting groove 17 is arranged directly below the residue removal port 14; when the device is used, by setting the residue collecting groove 17, the residue scraped and cleaned by the scraper 13 can fall into the residue collecting groove 17 through the residue removal port 14, thereby realizing the collection of residual value.

Please refer to Figures 1 and 5. A support plate 18 is fixedly connected to the side wall of the fixed frame 5, a third motor 19 is installed on the support plate 18, a rotating disk 20 is installed on the output end of the third motor 19, an eccentric rod 21 is fixedly connected to the rotating disk 20, a fixed seat 22 is fixedly connected to the support plate 18, a pendulum 23 is hinged on the fixed seat 22, and a spring 24 is fixedly connected between the pendulum 23 and the fixed frame 5; when screening is performed, the third motor 19 is operated to make the rotating disk 20 drive the eccentric rod 21 to rotate reciprocatingly, and under the action of the eccentric rod 21, the pendulum 23 reciprocates and strikes the screening drum 9, thereby reducing the phenomenon of residues and debris hanging on the wall.

Please refer to Figure 1, the base 1 is fixedly connected to a support column 25, the support column 25 is fixedly connected to a feed hopper 26, and the bottom outlet of the feed hopper 26 is arranged in the screening cylinder 9; when the device is used, by setting the feed hopper 26, it is convenient to pass the plastic particles to be screened into the screening cylinder 9 through the feed hopper 26, thereby facilitating subsequent screening operations.

Working principle: In the existing plastic particle screening device, when screening, the residues and debris contained in the plastic particles are easy to adhere to the inner wall of the screening drum 9, which makes the filter holes on the screening drum 9 easy to be blocked, thereby affecting the screening effect; therefore, a plastic particle screening device is proposed to solve the above problem; when screening, firstly, the material is allowed to enter the screening drum 9 through the feed hopper 26, and at the same time, the first motor 8 is started to rotate the conveying roller 7, thereby forcing the screening drum 9 to rotate as well, so that the residues and debris mixed in the plastic particles fall through the filter holes onto the inclined plate 3, and then slide along the inclined plate 3 to the slag discharge port 15, and finally discharged through the slag discharge port 15. The plastic particles without residues and debris slide out along the bottom end of the screening drum 9, so that the plastic particles and the residues and debris can be screened and separated; at the same time, the second motor 12 is started to rotate the crawler 11, so that the residues and debris adhering to the inner wall of the screening drum 9 can be removed, and the scraper 13 can scrape and clean the residues and debris adhering to the crawler 11, thereby ensuring the scraping effect of the crawler 11 on the inner wall of the screening drum 9, thereby preventing the residues and debris from adhering to the inner wall of the screening drum 9, and then avoiding the clogging of the filter holes, thereby ensuring the screening effect, so that the residues and debris are completely removed from the plastic particles, and improving the subsequent product processing quality;

During screening, the third motor 19 is operated to make the rotating disk 20 drive the eccentric rod 21 to rotate back and forth. Under the action of the eccentric rod 21, the pendulum 23 strikes the screening cylinder 9 back and forth, thereby reducing the phenomenon of residues and debris hanging on the wall.

In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims (6)

1. A plastic particle screening device, characterized in that it comprises a base (1); two vertical plates (2) of different heights are fixedly connected to the base (1); the two vertical plates (2) are matched and fixedly connected with an inclined plate (3); four vertical columns (4) are fixedly connected to the inclined plate (3); the top ends of the four vertical columns (4) are matched and fixedly connected with a fixed frame (5); four fixed plates (6) are fixedly connected to the fixed frame (5); a rotating shaft is matched and rotatably installed between every two fixed plates (6); a conveying roller (7) is mounted on the outer circumferential surface of the rotating shaft; two conveying rollers (7) are matched and rotatably installed with a screening drum (9), and the screening drum (9) is arranged on the fixed frame ( 5), a first motor (8) is installed on each of the two fixed plates (6) at the upper end, the output end of the first motor (8) is connected to one end of the rotating shaft, two mounting seats (10) are fixedly connected to the inclined plate (3), a rotating column is rotatably installed in each of the two mounting seats (10), the outer surfaces of the two rotating columns are matched with tracks (11), and the tracks (11) are arranged on the inner and outer sides of the screening drum (9), and the tracks (11) are in contact with the inner circumferential surface of the screening drum (9), a second motor (12) is installed on the side wall of one mounting seat (10), and the output end of the second motor (12) is connected to one end of the rotating column. 2. A plastic particle screening device according to claim 1, characterized in that: a slag discharge port (14) and a debris impurity removal port (15) are respectively provided on the inclined plate (3), a scraper (13) is fixedly connected to the end of the slag discharge port (14), and the crawler (11) passes through the scraper (13), and two baffles (16) are fixedly connected to the inclined plate (3). 3. A plastic particle screening device according to claim 1, characterized in that: a support plate (18) is fixedly connected to the side wall of the fixed frame (5), a third motor (19) is installed on the support plate (18), a rotating disk (20) is installed at the output end of the third motor (19), and an eccentric rod (21) is fixedly connected to the rotating disk (20). 4. A plastic particle screening device according to claim 3, characterized in that: a fixed seat (22) is fixedly connected to the support plate (18), a pendulum (23) is hinged on the fixed seat (22), and a spring (24) is fixedly connected between the pendulum (23) and the fixed frame (5). 5. A plastic particle screening device according to claim 1, characterized in that a residue collecting trough (17) is fixedly connected to the base (1), and the residue collecting trough (17) is arranged directly below the residue discharge port (14). 6. A plastic particle screening device according to claim 1, characterized in that: a support column (25) is fixedly connected to the base (1), a feed hopper (26) is fixedly connected to the support column (25), and a bottom outlet of the feed hopper (26) is arranged in the screening cylinder (9).