CN221339062U - Plastic production granulator - Google Patents

Abstract

The utility model relates to the technical field of plastic production, in particular to a plastic production granulator. Comprises a frame, a blanking device, a conveying device, a cleaning device and a cooling device; the blanking device comprises a rotating shaft; the rotary shaft is provided with a grain cutter, and the cleaning device comprises a scraping block and an auxiliary structure. After the plastic granules are cut by the granulating cutter, the auxiliary structure drives the scraping block to slide away from the rotating shaft along the granulating cutter, the plastic raw materials adhered to the surface of the granulating cutter are scraped, the scraping block is driven to return to the rotating shaft after the scraping block slides to the end part of the granulating cutter, the plastic granules are prevented from being cut by the granulating cutter, and meanwhile, the cooling device cools the plastic raw materials adhered to the granulating cutter after the granulating is finished. So that the adhered plastic raw material is quickly solidified, the scraping block is favorable for scraping the adhered plastic raw material, and the granulating effect is improved.

Description

Plastic production granulator

Technical Field

The utility model relates to the technical field of plastic production, in particular to a plastic production granulator.

Background

A granulator for plastic production is an apparatus for melting and granulating plastic waste or raw materials after heating. It is produced by heating, melting, extruding, cutting and other steps to form granular or granular plastic material. These plastic particles can be used again for the manufacture of plastic articles such as plastic bags, plastic containers, plastic pipes, etc. By recycling and reusing waste plastic, the negative impact on the environment can be reduced and the resource consumption reduced.

In the prior art, if the publication number is CN215472342U, the Chinese patent with the name of a granulator for producing plastic particles is disclosed in the technical scheme, a speed reducing motor is electrified to rotate and drive a blanking cutter head to rotate, extruded plastic strips are cut into plastic particles, and the plastic particles fall onto a conveyor belt along a feed inlet. When the plastic strip is extruded from the extrusion cylinder, the temperature is higher to form paste, and when the plastic strip is cut by the blanking cutter head, part of plastic raw materials can be adhered to the blanking cutter head, so that the granulating effect is affected, and the plastic strip cutting machine has certain limitation.

Disclosure of utility model

The utility model provides a plastic production granulator to solve the problems.

The utility model adopts the following technical scheme: a plastic production granulator comprises a frame, a blanking device, a conveying device, a cleaning device and a cooling device; the frame is arranged in front and back; the frame is provided with a material extruding cylinder; the axis of the extruding cylinder is arranged front and back, and the front end is provided with a forming disc; the forming disc is provided with a forming hole;

The material cutting device is arranged at the front end of the frame and comprises a rotating shaft; the rotating shaft is rotatably arranged on the frame and is positioned at one side of the extruding cylinder; a plurality of grain cutters are annularly distributed on the rotating shaft; the grain cutter is radially arranged on the front side of the forming disc along the rotating shaft, and the cutting edge of the grain cutter is attached to the orifice of the forming hole;

The conveying device is arranged below the forming disc and is used for conveying plastic particles cut by the granulating cutter to a preset position;

The cleaning device comprises a scraping block and an auxiliary structure; a plurality of scraping blocks are uniformly distributed along the circumferential direction of the rotating shaft; the scraping block is U-shaped, is slidably arranged on the grain cutter and is matched with the surface of the grain cutter; the auxiliary structure is used for driving the scraping block to slide away from the rotating shaft along the grain cutter after the grain cutter cuts the plastic grains, scraping off plastic raw materials adhered to the surface of the grain cutter, and driving the scraping block to return to the rotating shaft after the scraping block slides to the end part of the grain cutter, so that the influence on the grain cutter to cut the plastic grains is avoided;

The cooling device is arranged on one side of the rotating shaft, which is far away from the extruding cylinder, and is used for cooling plastic raw materials adhered on the granulating knife after granulating. So that the adhered plastic raw material is quickly solidified, and the scraping block is favorable for scraping the adhered plastic raw material.

Further, the auxiliary structure includes an auxiliary disk; the auxiliary disc is vertically arranged and fixed on the frame; an auxiliary groove is arranged on the auxiliary disc; the auxiliary groove is annular; the auxiliary groove is arranged at the outer side of the rotating shaft and is positioned at one side of the forming disc; the center of the auxiliary groove is arranged on one side of the center of the rotating shaft away from the center of the forming disc, and the center of the auxiliary groove, the center of the rotating shaft and the center of the forming disc are collinear; the distance from one end of the auxiliary groove far away from the forming disc to the rotating shaft is equal to the length of the granulating cutter; a sliding column is slidably arranged in the auxiliary groove; the sliding column is in rotary fit with the scraping block. When the utility model is used, the pivot drives the pelleter and rotates, and the pelleter drives scrapes the piece and rotate, and under the assistance of auxiliary groove, scrape the piece around auxiliary groove centre of a circle circular motion for when the pelleter is close to the shaping dish and cut the grain, auxiliary groove orders about scraping the piece and be close to the pivot, when the pelleter cuts to accomplish and keep away from the shaping dish, auxiliary groove orders about scraping the piece and keep away from the pivot, with the plastics raw materials of pelleter surface adhesion scrape, after scraping the piece and slide to the pelleter tip, auxiliary groove orders about scraping the piece and return pivot department, avoid influencing pelleter cutting plastic pellet.

Further, the cooling device comprises a cooling port and a cooling box; the cooling port is arranged at the center of the auxiliary groove; the cooling box is arranged at one side of the auxiliary disc, which is far away from the grain cutter; the cooling box is fixed on the auxiliary disc and is communicated with the cooling port; a condensing tube is arranged in the cooling box; a fan is arranged at one end of the cooling box, which is far away from the grain cutter. The fan blows to the cooling box, and after the cooling of condenser pipe, the wind blows to the grain cutter through the cooling mouth to cool down to cut the plastics raw materials that the adhesion on the grain cutter that the grain ended, simultaneously, cool down the grain cutter, make the grain cutter when cutting the grain, cool down the solidification to the plastics raw materials that the plastic strip department contacted, in order to reduce adhesion plastics raw materials when cutting the grain.

Further, a collecting box is arranged at the front side of the auxiliary disc. The plastic scraping device is used for collecting and recycling plastic raw materials scraped by the scraping block.

Further, the conveying device comprises a conveyor belt; the conveyor belt is rotatably arranged on the frame below the forming disc; a baffle plate is arranged above the conveyor belt; the striker plate is U-shaped and is arranged at the front side of the forming disc. The plastic particles cut by the cutter are prevented from bouncing off in the process of falling onto the conveyor belt.

Further, the forming disc is connected with the extruding cylinder through threads. The forming plate is used for replacing forming holes with different specifications according to the requirements.

The beneficial effects of the utility model are as follows: after the plastic granules are cut by the granulating cutter, the auxiliary structure drives the scraping block to slide away from the rotating shaft along the granulating cutter, the plastic raw materials adhered to the surface of the granulating cutter are scraped, the scraping block is driven to return to the rotating shaft after the scraping block slides to the end part of the granulating cutter, the plastic granules are prevented from being cut by the granulating cutter, and meanwhile, the cooling device cools the plastic raw materials adhered to the granulating cutter after the granulating is finished. So that the adhered plastic raw material is quickly solidified, the scraping block is favorable for scraping the adhered plastic raw material, and the granulating effect is improved.

Further, the blower cools the dicing blade through the condenser pipe, so that the dicing blade cools and solidifies the plastic raw materials contacted with the plastic strip when dicing, and the adhesion of the plastic raw materials during dicing is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of a plastic production pelletizer according to the present utility model;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic view of another angle of an embodiment of the present utility model;

FIG. 4 is a side view of an embodiment of the present utility model;

Fig. 5 is a front view of an embodiment of the present utility model.

In the figure: 100. a frame; 110. a material extruding cylinder; 111. a shaping disc; 200. a blanking device; 210. a rotating shaft; 220. a dicing cutter; 300. a conveying device; 310. a conveyor belt; 320. a striker plate; 400. a cleaning device; 410. scraping blocks; 421. an auxiliary disc; 422. an auxiliary groove; 423. a spool; 430. a collection box; 500. a cooling device; 510. a cooling port; 520. a cooling box; 530. a blower.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the like or similar elements throughout or elements having the same or similar functions. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model. 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 features of the utility model "first", "second" and the like in the description and in the claims may be used for the explicit or implicit inclusion of one or more such features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

An embodiment of a plastic production granulator of the present utility model is shown in fig. 1 to 5: a plastic production granulator comprises a frame 100, a blanking device 200, a conveying device 300, a cleaning device 400 and a cooling device 500. The frame 100 is disposed front to back. The frame 100 is provided with an extrusion barrel 110. The axis of the extruding cylinder 110 is arranged back and forth, and the front end is provided with a forming disc 111. The molding plate 111 is provided with molding holes. The forming plate 111 and the extruding cylinder 110 are connected through screw threads so as to replace the forming plate 111 with forming holes of different specifications according to the requirement.

The blanking device 200 is disposed at the front end of the frame 100, and includes a rotating shaft 210. The rotary shaft 210 is rotatably installed on the frame 100 at one side of the extruding cylinder 110. A plurality of dicing knives 220 are annularly distributed on the rotating shaft 210. The dicing blade 220 is provided radially along the rotation shaft 210 on the front side of the forming tray 111, and the blade of the dicing blade 220 is attached to the aperture of the forming hole. The end of the rotating shaft 210 is provided with a motor, and an output shaft of the motor is fixedly connected with the rotating shaft 210.

The conveyor 300 is arranged below the forming tray 111 and comprises a conveyor belt 310. The conveyor belt 310 is rotatably mounted on the frame 100 below the forming tray 111. Above the conveyor 310 is a dam 320. The striker plate 320 is U-shaped and is provided on the front side of the molding tray 111. For blocking plastic particles cut by the cutter from bouncing off during the falling down of the conveyor belt 310. The conveying device 300 conveys the plastic granules cut by the granule cutter 220 to a preset position.

The cleaning device 400 includes a scraper block 410, an auxiliary structure. The scraping blocks 410 are uniformly distributed along the circumference of the rotating shaft 210. The scraping block 410 is U-shaped, is slidably mounted on the dicing blade 220, and is adapted to the surface of the dicing blade 220. The auxiliary structure includes an auxiliary disk 421. The auxiliary tray 421 is vertically fixed to the frame 100. The auxiliary disk 421 is provided with an auxiliary groove 422. The auxiliary groove 422 has a ring shape. The auxiliary groove 422 is provided outside the rotation shaft 210 and on the side of the molding tray 111. The center of the auxiliary groove 422 is arranged on one side of the center of the rotary shaft 210 away from the center of the forming disc 111, and the center of the auxiliary groove 422, the center of the rotary shaft 210 and the center of the forming disc 111 are collinear. The distance from the end of the auxiliary groove 422 remote from the forming tray 111 to the rotary shaft 210 is equal to the length of the cutter 220. A spool 423 is slidably mounted in the auxiliary groove 422. The spool 423 and the scraper block 410 are rotationally engaged. When in use, the rotating shaft 210 drives the dicing cutter 220 to rotate, the dicing cutter 220 drives the scraping block 410 to rotate, and the scraping block 410 moves circumferentially around the center of the auxiliary groove 422 with the aid of the auxiliary groove 422, so that when the dicing cutter 220 is close to the forming disc 111 for dicing, the auxiliary groove 422 drives the scraping block 410 to approach the rotating shaft 210, when the dicing cutter 220 cuts plastic particles away from the forming disc 111, the auxiliary groove 422 drives the scraping block 410 to be away from the rotating shaft 210, so as to scrape off plastic raw materials adhered to the surface of the dicing cutter 220, and when the scraping block 410 slides to the end of the dicing cutter 220, the auxiliary groove 422 drives the scraping block 410 to return to the rotating shaft 210, thereby avoiding affecting the dicing cutter 220 to cut plastic particles.

The cooling device 500 is disposed on a side of the rotating shaft 210 away from the extrusion barrel 110, and includes a cooling port 510 and a cooling box 520. The cooling port 510 is provided at the center of the auxiliary tank 422. The cooling box 520 is provided at a side of the auxiliary disk 421 remote from the dicing blade 220. The cooling box 520 is fixed to the auxiliary plate 421 and communicates with the cooling port 510. A condenser tube is provided in the cooling tank 520. A fan 530 is mounted to the end of the cooling box 520 remote from the pelletizer blade 220. The fan 530 blows air into the cooling box 520, after the air is cooled by the condenser pipe, the air is blown to the dicing blade 220 through the cooling port 510 to cool the plastic raw material adhered to the dicing blade 220 after dicing, and simultaneously, the dicing blade 220 is cooled, so that the plastic raw material contacted with the plastic strip is cooled and solidified by the dicing blade 220 during dicing, and the adhered plastic raw material during dicing is reduced. The cooling device 500 cools the plastic raw material adhered to the dicing blade 220 after dicing. So that the adhered plastic raw material is quickly solidified, which is advantageous for the scraping block 410 to scrape the adhered plastic raw material.

In the present embodiment, the auxiliary tray 421 is provided at a front side thereof with a collection box 430. The plastic raw material scraped by the scraping block 410 is collected and recycled.

In combination with the above embodiment, the use principle and working process of the present utility model are as follows: the extrusion cylinder 110 extrudes strip-shaped plastic strips through the forming disc 111, the motor drives the rotating shaft 210 to rotate, the rotating shaft 210 drives the granulating cutter 220 to rotate, the granulating cutter 220 drives the scraping block 410 to rotate, and under the assistance of the auxiliary groove 422, the scraping block 410 moves circumferentially around the center of the auxiliary groove 422, so that when the granulating cutter 220 is close to the forming disc 111 for granulating, the auxiliary groove 422 drives the scraping block 410 to be close to the rotating shaft 210, when the granulating cutter 220 is completely cut away from the forming disc 111, the auxiliary groove 422 drives the scraping block 410 to be away from the rotating shaft 210, so that plastic raw materials adhered on the surface of the granulating cutter 220 are scraped off, and when the scraping block 410 slides to the end of the granulating cutter 220, the auxiliary groove 422 drives the scraping block 410 to return to the rotating shaft 210, so that plastic granules are prevented from being influenced by the granulating cutter 220.

Meanwhile, the fan 530 blows air into the cooling box 520, after the air is cooled by the condenser pipe, the air is blown to the dicing blade 220 through the cooling port 510 so as to cool down plastic raw materials adhered to the dicing blade 220 after dicing, and meanwhile, the dicing blade 220 is cooled so that the plastic raw materials contacted with the plastic strip are cooled and solidified when the dicing blade 220 is dicing, and the plastic raw materials adhered when dicing are reduced.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (6)

1. A plastic production granulator, characterized by: comprises a frame (100), a blanking device (200), a conveying device (300), a cleaning device (400) and a cooling device (500); the frame (100) is arranged front and back; the frame (100) is provided with a material extruding cylinder (110); the axis of the extruding cylinder (110) is arranged back and forth, and the front end is provided with a forming disc (111); the forming disc (111) is provided with a forming hole;

The blanking device (200) is arranged at the front end of the frame (100) and comprises a rotating shaft (210); the rotating shaft (210) is rotatably arranged on the frame (100) and is positioned at one side of the extruding cylinder (110); a plurality of grain cutters (220) are annularly distributed on the rotating shaft (210); the grain cutter (220) is radially arranged on the front side of the forming disc (111) along the rotating shaft (210), and the cutting edge of the grain cutter (220) is attached to the orifice of the forming hole;

The conveying device (300) is arranged below the forming disc (111) and is used for conveying plastic particles cut by the granulating cutter (220) to a preset position;

the cleaning device (400) comprises a scraping block (410) and an auxiliary structure; a plurality of scraping blocks (410) are uniformly distributed along the circumferential direction of the rotating shaft (210); the scraping block (410) is U-shaped, is slidably arranged on the grain cutter (220), and is matched with the surface of the grain cutter (220); the auxiliary structure is used for driving the scraping block (410) to slide along the grain cutter (220) away from the rotating shaft (210) after the grain cutter (220) cuts plastic grains, scraping off plastic raw materials adhered to the surface of the grain cutter (220), and driving the scraping block (410) to return to the rotating shaft (210) after the scraping block (410) slides to the end part of the grain cutter (220);

the cooling device (500) is arranged at one side of the rotating shaft (210) far away from the extruding cylinder (110) and is used for cooling plastic raw materials adhered on the granulating cutter (220) after granulating.

2. A plastic production granulator according to claim 1, wherein: the auxiliary structure comprises an auxiliary disc (421); the auxiliary disc (421) is vertically arranged and fixed on the frame (100); an auxiliary groove (422) is arranged on the auxiliary disk (421); the auxiliary groove (422) is annular; the auxiliary groove (422) is arranged outside the rotating shaft (210) and is positioned at one side of the forming disc (111); the center of the auxiliary groove (422) is arranged on one side of the center of the rotating shaft (210) away from the center of the forming disc (111), and the center of the auxiliary groove (422), the center of the rotating shaft (210) and the center of the forming disc (111) are collinear; the distance from the end of the auxiliary groove (422) far away from the forming disc (111) to the rotating shaft (210) is equal to the length of the granulating cutter (220); a sliding column (423) is arranged in the auxiliary groove (422) in a sliding way; the sliding column (423) and the scraping block (410) are in rotating fit.

3. A plastic production granulator according to claim 2, characterized in that: the cooling device (500) comprises a cooling port (510) and a cooling box (520); the cooling port (510) is arranged at the center of the auxiliary groove (422); the cooling box (520) is arranged at one side of the auxiliary disc (421) far away from the grain cutter (220); the cooling box (520) is fixed on the auxiliary disk (421) and is communicated with the cooling port (510); a condensing pipe is arranged in the cooling box (520); a fan (530) is arranged at one end of the cooling box (520) far away from the grain cutter (220).

4. A plastic production granulator according to claim 3, characterized in that: the front side of the auxiliary disk (421) is provided with a collecting box (430).

5. A plastic production granulator according to any of claims 1-4, characterized in that: the conveying device (300) comprises a conveyor belt (310); the conveyor belt (310) is rotatably arranged on the frame (100) below the forming tray (111); a striker plate (320) is arranged above the conveyor belt (310); the baffle plate (320) is U-shaped and is arranged at the front side of the forming disc (111).

6. A plastic production granulator according to claim 5, wherein: the forming disc (111) and the extruding cylinder (110) are connected through threads.