CN221697523U - A screening device for crushing plastic particles - Google Patents

Abstract

The utility model relates to the technical field of plastic particle screening, and discloses a screening device for crushing plastic particles, including a screening box, a supporting leg fixedly installed at the bottom of the screening box, a screening mechanism arranged inside the screening box, and a discharging mechanism arranged inside the screening box. By starting a first motor, the first pulley is rotated, so that the rotating rod and the stirring blade are rotated to prevent the plastic particles from sticking together, and with the rotation of the first pulley, the first gear is rotated under the cooperation of the belt and the second pulley, and the connecting disk is rotated under the cooperation of the second gear, thereby driving the screening cylinder to rotate, so as to facilitate the full stirring of the plastic particles. When it is necessary to discharge the plastic particles that do not meet the size, the first threaded column is rotated by starting the second motor, so that the threaded block and the screening cylinder are moved, so as to facilitate the discharging of the plastic particles.

Description

A screening device for crushing plastic particles

Technical Field

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

Background Art

Plastic particles refer to granular plastics, which are generally divided into more than 200 types and subdivided into thousands of types. Common plastic particles include general-purpose plastics, engineering plastics, and special plastics. Before the crushed plastic particles are put into subsequent production, they need to be screened in order to select plastic particles that meet the size.

According to the description of a screening device for plastic particle manufacturing disclosed in the patent website (authorization announcement number: CN217573666U), "The utility model discloses a screening device for plastic particle manufacturing, which relates to the technical field of screening devices, solves the technical problems that the screening devices on the market are easy to be blocked when discharging materials, resulting in inability to use after being blocked, thereby affecting the production progress, and the existing screening devices are inconvenient to remove the remaining plastic particles on the screen plate, which causes trouble for the staff when using it, thereby increasing the labor intensity of the staff; it includes a base, the top of the base is fixedly connected to the pillars that are evenly distributed, the top of the base is provided with a screening cylinder, the screening cylinder is fixedly connected to the top of the pillar, the inside of the screening cylinder is movably connected to the screen plate, the bottom of the screen plate is fixedly connected to a vibration motor, the bottom of the screening cylinder is connected to a discharge pipe, the top of the base is provided with an anti-blocking component, the inside of the base is provided with a through hole, and the bottom of the base is movably connected to a receiving box; the utility model has achieved the effect of anti-blocking."

In view of the above description, the applicant believes that there are the following problems:

During use of the utility model, the vibration motor is started to drive the screen plate to vibrate, thereby screening the plastic particles. However, during use, some particles will stick together, and it is not convenient to fully screen the plastic particles by only vibrating the screen plate. Moreover, since the screen plate is driven to move upward by the rotation of the screw rod, the plastic particles that do not meet the size are taken out. However, during use, the plastic particles will contact the rotating screw rod, and the plastic particles will contact the slide groove provided on the inner wall of the screening cylinder, which is not convenient for discharging the plastic particles that do not meet the size. Therefore, it is necessary to improve a screening device for crushing plastic particles to solve the above problems.

Utility Model Content

The purpose of the utility model is to provide a screening device for crushing plastic particles to solve the problems raised in the above background technology.

To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screening device for crushing plastic particles, comprising a screening box, a support leg fixedly installed at the bottom of the screening box, a screening mechanism arranged inside the screening box, and a discharging mechanism arranged inside the screening box.

The screening mechanism comprises a rotating assembly and an adjusting assembly. The rotating assembly is arranged inside the screening box, and the adjusting assembly is arranged outside the rotating assembly.

Preferably, the rotating assembly includes a motor frame, the motor frame is fixedly mounted on the right side of the screening box, a first motor is fixedly mounted on the right side of the motor frame, a first pulley is fixedly mounted on the output end of the first motor, a belt is installed for the external transmission of the first pulley, a first gear is rotatably mounted on the right side of the screening box, a second pulley is fixedly mounted on the right side of the first gear, the second pulley is installed with the belt transmission, a second gear is meshed with the outside of the first gear, a rotating rod is rotatably mounted on the inside of the second gear, a limiting column is fixedly mounted on the left side of the second gear, a connecting disk is fixedly mounted on the left end of the limiting column, and the rotating rod and the connecting disk are rotatably mounted to facilitate the rotation and stirring of the plastic particles.

Preferably, a through hole is opened inside the right side wall of the screening box at a position corresponding to the limiting column, and the limiting column is rotatably installed in the through hole to facilitate the limiting work of the second gear.

Preferably, the adjustment assembly includes a second motor, the second motor is fixedly mounted on the right side of the connecting disk, and a first threaded column is fixedly mounted on the output end of the second motor. A threaded block is mounted on the external thread of the first threaded column, a screening cylinder is fixedly mounted on the inner side of the threaded block, a limiting hole is provided at the left end of the screening cylinder, a stirring blade is fixedly mounted on the outside of the rotating rod, a feed box is fixedly mounted on the left side of the screening box, a feed port is fixedly mounted on the right side of the feed box, and the feed port is slidably mounted inside the limiting hole to facilitate the discharge of plastic particles.

Preferably, a through hole is provided inside the left side wall of the screening box at a position corresponding to the feed port, and the feed port is fixedly installed in the through hole to facilitate the feeding of plastic particles.

Preferably, the discharging mechanism includes a guide plate, which is fixedly mounted on the inner wall of the screening box, a discharge port is fixedly mounted on the left side of the screening box, an extension block is fixedly mounted on the left side of the screening box, a second threaded column is rotatably mounted inside the extension block, a rotating wheel is fixedly mounted on the top of the second threaded column, a sliding block is threadedly mounted on the outer side of the second threaded column, and a baffle is fixedly mounted on the right end of the sliding block to facilitate controlling the discharging speed of the plastic particles.

Preferably, a through slot is provided inside the left side wall of the screening box at a position corresponding to the slider, and the slider is slidably installed in the through slot to facilitate the lifting and lowering of the baffle.

Compared with the prior art, the utility model provides a screening device for crushing plastic particles, which has the following beneficial effects:

1. The screening device for crushing plastic particles, through the screening mechanism, during use, through the feed box and the feed port, it is convenient to pour the plastic particles to be screened into the screening drum, by starting the first motor, the first pulley is rotated, so that the rotating rod and the stirring blade are rotated to prevent the plastic particles from sticking together, along with the rotation of the first pulley, the first gear is rotated under the cooperation of the belt and the second pulley, and the limit column and the connecting disk are rotated under the cooperation of the second gear, thereby driving the screening drum to rotate, which is convenient for fully stirring the plastic particles and ensuring the comprehensive implementation of the screening work. When it is necessary to discharge the plastic particles that do not meet the size, the second motor is started to rotate the first threaded column, so that the threaded block and the screening drum are moved, so that the screening drum is away from the connecting disk, which is convenient for the discharge of plastic particles.

2. The screening device for crushing plastic particles is convenient for discharging plastic particles through the provided discharging mechanism during use, through the provided discharging port and the discharging port, and the slider installed with the external thread of the second threaded column is moved upward by rotating the rotating wheel, thereby driving the baffle to move upward, so as to control the discharging speed of the plastic particles and avoid clogging of the plastic particles.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

FIG1 is a schematic diagram of the front structure of the utility model;

Figure 2 is a schematic diagram of the internal structure of the screening box of the utility model;

Fig. 3 is a schematic diagram of the position relationship of the first pulley of the utility model;

FIG4 is a schematic diagram of the position relationship of the limit column of the utility model;

Figure 5 is a schematic diagram of the position relationship of the screening cylinder of the utility model;

Figure 6 is a schematic diagram of the position relationship of the feed port of the utility model;

FIG. 7 is a schematic diagram of the structure of the discharging mechanism of the utility model.

In the figure: 1. screening box; 2. supporting legs; 3. screening mechanism; 31. rotating assembly; 311. motor frame; 312. first motor; 313. first pulley; 314. belt; 315. first gear; 316. second pulley; 317. second gear; 318. rotating rod; 319. limiting column; 3110. connecting plate; 32. adjusting assembly; 321. second motor; 322. first threaded column; 323. threaded block; 324. screening cylinder; 325. limiting hole; 326. stirring blade; 327. feed box; 328. feed port; 4. discharging mechanism; 401. guide plate; 402. discharging port; 403. extension block; 404. second threaded column; 405. rotating wheel; 406. slider; 407. baffle.

DETAILED DESCRIPTION

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.

In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Embodiment 1:

Please refer to Figures 1-6. The utility model provides a technical solution: a screening device for crushing plastic particles, including a screening box 1, a support leg 2 is fixedly installed on the bottom of the screening box 1, a screening mechanism 3 is arranged inside the screening box 1, and a discharging mechanism 4 is arranged inside the screening box 1.

The screening mechanism 3 includes a rotating assembly 31 and an adjusting assembly 32 . The rotating assembly 31 is arranged inside the screening box 1 , and the adjusting assembly 32 is arranged outside the rotating assembly 31 .

Furthermore, the rotating assembly 31 includes a motor frame 311, which is fixedly installed on the right side of the screening box 1. A first motor 312 is fixedly installed on the right side of the motor frame 311, a first pulley 313 is fixedly installed on the output end of the first motor 312, a belt 314 is installed on the external transmission of the first pulley 313, a first gear 315 is rotatably installed on the right side of the screening box 1, a second pulley 316 is fixedly installed on the right side of the first gear 315, the second pulley 316 is transmission-installed with the belt 314, a second gear 317 is meshed on the outside of the first gear 315, a rotating rod 318 is rotatably installed on the inside of the second gear 317, a limiting column 319 is fixedly installed on the left side of the second gear 317, a connecting disk 3110 is fixedly installed on the left end of the limiting column 319, and the rotating rod 318 and the connecting disk 3110 are rotatably installed to facilitate the rotation and stirring of the plastic particles.

Furthermore, a through hole is provided inside the right side wall of the screening box 1 at a position corresponding to the limiting column 319 , and the limiting column 319 is rotatably installed in the through hole, so as to facilitate the limiting work of the second gear 317 .

Furthermore, the adjustment component 32 includes a second motor 321, which is fixedly installed on the right side of the connecting disk 3110, and a first threaded column 322 is fixedly installed on the output end of the second motor 321. A threaded block 323 is installed on the external thread of the first threaded column 322, and a screening cylinder 324 is fixedly installed on the inner side of the threaded block 323. A limiting hole 325 is provided at the left end of the screening cylinder 324, and a stirring blade 326 is fixedly installed on the outside of the rotating rod 318. A feed box 327 is fixedly installed on the left side of the screening box 1, and a feed port 328 is fixedly installed on the right side of the feed box 327. The feed port 328 is slidably installed inside the limiting hole 325 to facilitate the discharge of plastic particles.

Furthermore, a through hole is provided inside the left side wall of the screening box 1 at a position corresponding to the feed port 328, and the feed port 328 is fixedly installed in the through hole to facilitate the feeding of plastic particles.

Embodiment 2:

Please refer to Figure 7, and in combination with Example 1, it is further obtained that the discharging mechanism 4 includes a guide plate 401, the guide plate 401 is fixedly installed on the inner wall of the screening box 1, a discharging port 402 is fixedly installed on the left side of the screening box 1, an extension block 403 is fixedly installed on the left side of the screening box 1, a second threaded column 404 is rotatably installed inside the extension block 403, a rotating wheel 405 is fixedly installed on the top of the second threaded column 404, a slider 406 is installed on the external thread of the second threaded column 404, and a baffle 407 is fixedly installed on the right end of the slider 406, so as to control the discharging speed of the plastic particles.

Furthermore, a through slot is provided inside the left side wall of the screening box 1 at a position corresponding to the slider 406 , and the slider 406 is slidably installed in the through slot to facilitate the lifting and lowering of the baffle 407 .

In actual operation, when the device is used, the feed box 327 and the feed port 328 are provided to facilitate pouring the plastic particles to be screened into the screening drum 324, and by starting the first motor 312, the first pulley 313 is rotated, so that the rotating rod 318 and the stirring blade 326 are rotated to prevent the plastic particles from sticking together, and along with the rotation of the first pulley 313, the first gear 315 is rotated under the cooperation of the belt 314 and the second pulley 316, and the limiting column 319 and the connecting plate 3110 are rotated under the cooperation of the second gear 317, thereby driving the screening drum 324 to rotate, so as to facilitate the screening of the plastic particles. Sufficient stirring ensures that the screening work is carried out in an all-round manner. When it is necessary to discharge the plastic particles that do not meet the size, the second motor 321 is started to rotate the first threaded column 322, so that the threaded block 323 and the screening cylinder 324 are moved, so that the screening cylinder 324 is away from the connecting disk 3110, which is convenient for the discharge of the plastic particles. The discharge port 402 and the discharge port 402 are set to facilitate the discharge of the plastic particles. By rotating the rotating wheel 405, the slider 406 installed on the external thread of the second threaded column 404 moves upward, thereby driving the baffle 407 to move upward, which is convenient for controlling the discharge speed of the plastic particles and avoiding blockage of the plastic particles.

It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims (7)

1. A screening device for crushing plastic particles, comprising a screening box (1), characterized in that: a support leg (2) is fixedly mounted on the bottom of the screening box (1), a screening mechanism (3) is arranged inside the screening box (1), and a discharging mechanism (4) is arranged inside the screening box (1); The screening mechanism (3) comprises a rotating assembly (31) and an adjusting assembly (32); the rotating assembly (31) is arranged inside the screening box (1), and the adjusting assembly (32) is arranged outside the rotating assembly (31). 2. A screening device for crushing plastic particles according to claim 1, characterized in that: the rotating assembly (31) comprises a motor frame (311), the motor frame (311) is fixedly installed on the right side of the screening box (1), a first motor (312) is fixedly installed on the right side of the motor frame (311), a first pulley (313) is fixedly installed on the output end of the first motor (312), a belt (314) is installed on the external transmission of the first pulley (313), and a first gear (315) is rotatably installed on the right side of the screening box (1) A second pulley (316) is fixedly installed on the right side of the first gear (315), and the second pulley (316) is installed in transmission with the belt (314). A second gear (317) is meshed with the outside of the first gear (315), and a rotating rod (318) is rotatably installed inside the second gear (317). A limiting column (319) is fixedly installed on the left side of the second gear (317), and a connecting disk (3110) is fixedly installed on the left end of the limiting column (319), and the rotating rod (318) is rotatably installed with the connecting disk (3110). 3. A screening device for crushing plastic particles according to claim 2, characterized in that a through hole is opened inside the right side wall of the screening box (1) at a position corresponding to the limiting column (319), and the limiting column (319) is rotatably installed in the through hole. 4. A screening device for crushing plastic particles according to claim 2, characterized in that: the adjustment component (32) comprises a second motor (321), the second motor (321) is fixedly mounted on the right side of the connecting plate (3110), and the output end of the second motor (321) is fixedly mounted with a first threaded column (322). The external thread of the first threaded column (322) is mounted with a threaded block (323), the inner side of the threaded block (323) is fixedly mounted with a screening cylinder (324), the left end of the screening cylinder (324) is provided with a limiting hole (325), the outside of the rotating rod (318) is fixedly mounted with a stirring blade (326), the left side of the screening box (1) is fixedly mounted with a feed box (327), the right side of the feed box (327) is fixedly mounted with a feed port (328), and the feed port (328) is slidably mounted inside the limiting hole (325). 5. A screening device for crushing plastic particles according to claim 4, characterized in that a through hole is opened inside the left side wall of the screening box (1) at a position corresponding to the feed port (328), and the feed port (328) is fixedly installed in the through hole. 6. A screening device for crushing plastic particles according to claim 4, characterized in that: the discharging mechanism (4) comprises a guide plate (401), the guide plate (401) is fixedly mounted on the inner wall of the screening box (1), a discharging port (402) is fixedly mounted on the left side of the screening box (1), an extension block (403) is fixedly mounted on the left side of the screening box (1), a second threaded column (404) is rotatably mounted inside the extension block (403), a rotating wheel (405) is fixedly mounted on the top of the second threaded column (404), a slider (406) is threadedly mounted on the outside of the second threaded column (404), and a baffle (407) is fixedly mounted on the right end of the slider (406). 7. A screening device for crushing plastic particles according to claim 6, characterized in that a through groove is opened inside the left side wall of the screening box (1) at a position corresponding to the slider (406), and the slider (406) is slidably installed in the through groove.