CN220517490U

CN220517490U - Multi-rod spiral extrusion mechanism of plastic granulator

Info

Publication number: CN220517490U
Application number: CN202322139227.1U
Authority: CN
Inventors: 林元湘; 陈存兴; 翟运茂
Original assignee: Shanghai Zili Plastic Technology Co ltd
Current assignee: Shanghai Zili Plastic Technology Co ltd
Priority date: 2023-08-09
Filing date: 2023-08-09
Publication date: 2024-02-23
Anticipated expiration: 2033-08-09

Abstract

The utility model discloses a multi-rod spiral extrusion mechanism of a plastic granulator, and particularly relates to the field of plastic granulators, comprising: the bottom plate, bottom plate fixedly connected with three defeated feed cylinder, three defeated feed cylinder top is equipped with the workbin, is equipped with the wiper mechanism that is arranged in three defeated feed cylinder to clear away moisture and volatile in the plastics, and three defeated feed cylinder top all is equipped with and is used for carrying out filterable filter mechanism to the moisture and the volatile that clear away, is equipped with in the workbin and scrapes the feed mechanism, is equipped with in the workbin and is used for scraping the feed mechanism and carry out driven actuating mechanism, the technical effect and the advantage of the utility model: the cleaning mechanism is convenient for removing moisture and volatile matters in the molten plastic in the material conveying cylinder, so that the time consumed by independent removal is reduced, and the filtering mechanism is convenient for filtering the moisture and the volatile matters; the scraper bar is convenient to drive through the driving mechanism, the scraper bar is prevented from rubbing against the inner side wall of the material box for a long time, and the stirring bar and the work load are increased.

Description

Multi-rod spiral extrusion mechanism of plastic granulator

Technical Field

The utility model relates to the technical field of plastic pelleting machines, in particular to a multi-rod spiral extrusion mechanism of a plastic pelleting machine.

Background

When the plastic granulator is used for granulating plastics, the extrusion operation is needed to be carried out on the plastics in a molten state through a multi-rod spiral extrusion mechanism of the plastic granulator, so that the cutting granulation is convenient.

At present, the multi-rod spiral extrusion mechanism of the plastic granulator needs to dry moisture in plastics before molten plastics enter a screw extruder, a large amount of time is required to be consumed in the process, the granulating efficiency is greatly reduced, the multi-rod spiral extrusion mechanism of the existing plastic granulator generally drives a scraper to scrape plastics stained on the inner side wall of a material box through a stirring rod when stirring the molten plastics, but the scraper continuously rubs with the inner side wall of the material box for a long time, the power consumption of the stirring rod is increased, and the scraper and the material box are easily worn.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, an embodiment of the present utility model provides a multi-rod screw extrusion mechanism of a plastic granulator, so as to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: comprising the following steps: the plastic scraper comprises a bottom plate, three material conveying barrels are fixedly connected to the surface of the bottom plate, a material box is arranged above the three material conveying barrels, a cleaning mechanism used for cleaning moisture and volatile matters in plastics is arranged in the material conveying barrels, filtering mechanisms used for filtering the cleaned moisture and volatile matters are arranged above the material conveying barrels, a scraping mechanism is arranged in the material box, and a driving mechanism used for driving the scraping mechanism is arranged in the material box.

In a preferred embodiment, the workbin passes through support frame and bottom plate fixed surface connection, the bottom plate surface is located the equal fixedly connected with motor of three defeated feed cylinder one side, and is three all rotate in the defeated feed cylinder and be connected with the screw rod, three screw rod one end all is with the motor output fixed connection of corresponding No. one, the clearance mechanism is including the storehouse of bleeding of seting up in defeated feed cylinder top, the evacuation pump is installed to the storehouse top surface of bleeding, the evacuation pump communicates with the storehouse of bleeding, and three defeated feed cylinder one side is equipped with the cross melt valve, and three defeated feed cylinder one end all communicates with the cross melt valve, three communicating pipe has been seted up to the workbin bottom, three communicating pipe respectively with three defeated feed cylinder intercommunication, three all install the valve on the communicating pipe, install the hot plate in the workbin lateral wall.

In a preferred embodiment, the filtering mechanism comprises a filtering box fixedly connected to the top of the air suction bin, one end of the vacuumizing pump is communicated with the filtering box, an air outlet is formed in one end of the top of the filtering box, a filter screen box is arranged at the upper end in the filtering box, and an activated carbon layer is filled in the filter screen box.

In a preferred embodiment, the two ends of the bottom of the filter screen box are both slidably connected with supporting rods, one end of each supporting rod is fixedly connected with the inner side wall of the filter box, one end of the filter screen box is fixedly connected with a mounting plate, and the mounting plate penetrates through the side wall of the filter box and is detachably connected with the filter box.

In a preferred embodiment, heat insulation layers are arranged in the side walls of the three material conveying cylinders and the side walls of the air extraction bin.

In a preferred embodiment, the charge door has been seted up to workbin top one end, workbin internal rotation is connected with the puddler, charge door top middle-end fixedly connected with No. two motors, no. two motor output and puddler top fixed connection, scrape the material mechanism including being located the pole of scraping at puddler both ends, two scrape pole one side top level fixedly connected with connecting rod, two scrape the pole opposite side all with workbin inside wall contact connection.

In a preferred embodiment, the actuating mechanism includes two inserted bars of fixed connection in puddler lateral wall, two the inserted bar is located two connecting rod relative positions, the inserted bar is pegged graft in corresponding connecting rod one end, connecting rod inside wall fixedly connected with compression spring, the compression spring other end and inserted bar one end fixed connection, connecting rod inside wall and inserted bar lateral wall sliding connection, puddler top slip cap is equipped with the drive ring, drive ring bottom both ends all are connected with the transfer pole through the transfer piece rotation, two the transfer pole other end all rotate with two connecting rod tops respectively through the transfer piece and be connected, the equal fixedly connected with electric telescopic handle in drive ring top both ends, two electric telescopic handle top all with the workbin inside top fixed connection.

The utility model has the technical effects and advantages that:

1. the cleaning mechanism is convenient for removing moisture and volatile matters in the molten plastic in the material conveying cylinder, reduces the time consumed by independent removal, improves the working efficiency, and is convenient for filtering the moisture and the volatile matters through the filtering mechanism, thereby avoiding environmental pollution;

2. the scraper bar is convenient to drive through the actuating mechanism, avoids scraping the long-time friction with the workbin inside wall of pole, increases puddler and work load, and easily causes wearing and tearing to scraper bar and workbin inside wall.

Drawings

FIG. 1 is a schematic view of the front cut-away structure of the present utility model.

Fig. 2 is a schematic sectional view of a feed cylinder according to the present utility model.

Fig. 3 is a schematic diagram of a connection structure of the filter screen box according to the present utility model.

Fig. 4 is a schematic view of a driving ring connection structure according to the present utility model.

The reference numerals are: 1. a bottom plate; 2. a feed box; 3. a feed delivery cylinder; 4. a cleaning mechanism; 5. a filtering mechanism; 6. a scraping mechanism; 7. a driving mechanism; 8. a motor I; 9. a screw; 10. an air extraction bin; 11. a vacuum pump; 12. a four-way melt valve; 13. a filter box; 14. an exhaust port; 15. a filter screen box; 16. an activated carbon layer; 17. a support rod; 18. a mounting plate; 19. a communicating pipe; 20. a motor II; 21. a stirring rod; 22. a feed inlet; 23. a scraping rod; 24. a connecting rod; 25. a rod; 26. a compression spring; 27. a transfer rod; 28. a drive ring; 29. a heating plate; 30. an electric telescopic rod; 31. and a heat preservation layer.

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.

A multi-rod screw extrusion mechanism for a plastic pelletizer as shown in figures 1-4, comprising: the bottom plate 1, three defeated feed cylinder 3 fixed connection are in bottom plate 1 surface, and workbin 2 locates three defeated feed cylinder 3 top, is equipped with in the three defeated feed cylinder 3 to be used for carrying out clear away mechanism 4 to the moisture and the volatile thing in the plastics, and three defeated feed cylinder 3 top all is equipped with and is used for carrying out filterable filter mechanism 5 to clear away moisture and volatile thing, is equipped with in workbin 2 and scrapes material mechanism 6, is equipped with in workbin 2 and is used for carrying out driven actuating mechanism 7 to scraping material mechanism 6.

The feed box 2 is fixedly connected with the surface of the bottom plate 1 through a supporting frame, three first motors 8 are fixedly connected to the surface of the bottom plate 1 and are located on one side of three feed delivery barrels 3, three screw rods 9 are respectively connected in the three feed delivery barrels 3 in a rotating mode, one ends of the three screw rods 9 are fixedly connected with the output ends of the corresponding first motors 8, the cleaning mechanism 4 comprises an air suction bin 10 which is arranged at the top of the feed delivery barrels 3, a vacuumizing pump 11 is arranged on the top surface of the air suction bin 10, the vacuumizing pump 11 is communicated with the air suction bin 10, a four-way melt valve 12 is arranged on one side of the three feed delivery barrels 3, one ends of the three feed delivery barrels 3 are communicated with the four-way melt valve 12, three communicating pipes 19 are arranged at the bottom of the feed box 2 and are respectively communicated with the three feed delivery barrels 3, valves are arranged on the three communicating pipes 19, and a heating plate 29 is arranged in the side wall of the feed box 2.

The filtering mechanism 5 comprises a filtering box 13 fixedly connected to the top of the air suction bin 10, one end of the vacuum pump 11 is communicated with the filtering box 13, the air exhaust port 14 is formed in one end of the top of the filtering box 13, the filtering net box 15 is arranged at the upper end in the filtering box 13, and the filtering net box 15 is filled with an activated carbon layer 16.

Two bracing pieces 17 sliding connection are in filter screen box 15 bottom both ends, and two bracing piece 17 one end all with filter tank 13 inside wall fixed connection, mounting panel 18 fixed connection is in filter screen box 15 one end, and mounting panel 18 runs through filter tank 13 lateral wall and filter tank 13 dismantles to be connected.

The heat preservation layers 31 are arranged in the side walls of the three material conveying cylinders 3 and the side walls of the air extraction bin 10.

The implementation mode specifically comprises the following steps: the cleaning mechanism 4 is convenient for remove moisture and volatile matters in the molten plastic in the material conveying cylinder 3, reduces the time consumed by separate removal, improves the working efficiency, and is convenient for filter the moisture and the volatile matters through the filtering mechanism 5 so as to avoid environmental pollution.

As shown in fig. 1 and fig. 4, a multi-rod screw extrusion mechanism of a plastic granulator is provided with a feed inlet 22 at one end of the top of a feed box 2, a stirring rod 21 is rotatably connected in the feed box 2, a second motor 20 is fixedly connected at the middle end of the top of the feed inlet 22, the output end of the second motor 20 is fixedly connected with the top end of the stirring rod 21, a scraping mechanism 6 comprises scraping rods 23 positioned at two ends of the stirring rod 21, two connecting rods 24 are respectively and horizontally fixedly connected with the top ends of one side of the two scraping rods 23, and the other sides of the two scraping rods 23 are respectively and fixedly connected with the inner side wall of the feed box 2.

The driving mechanism 7 comprises two inserted rods 25 fixedly connected to the side wall of the stirring rod 21, the two inserted rods 25 are located at the opposite positions of the two connecting rods 24, the inserted rods 25 are inserted into one ends of the corresponding connecting rods 24, the compression springs 26 are fixedly connected to the inner side walls of the connecting rods 24, the other ends of the compression springs 26 are fixedly connected with one ends of the inserted rods 25, the inner side walls of the connecting rods 24 are slidably connected with the side walls of the inserted rods 25, the driving ring 28 is slidably sleeved on the top end of the stirring rod 21, two ends of the bottom of the driving ring 28 are rotatably connected with switching rods 27 through switching blocks, the other ends of the two switching rods 27 are rotatably connected with the tops of the two connecting rods 24 respectively, two electric telescopic rods 30 are fixedly connected to the two ends of the top of the driving ring 28, and the tops of the two electric telescopic rods 30 are fixedly connected with the inner top of the feed box 2.

The implementation mode specifically comprises the following steps: the scraper bar 23 is conveniently driven by the driving mechanism 7, so that the scraper bar 23 is prevented from rubbing against the inner side wall of the material box 2 for a long time, the stirring bar 21 and the work load are increased, and the scraper bar 23 and the inner side wall of the material box 2 are easy to wear.

The working principle of the utility model is as follows: during operation, plastics are poured into the feed box 2 through the feed inlet 22, the plastics are melted through the heating plate 29, meanwhile, the second motor 20 drives the stirring rod 21 to rotate, the plastics are stirred, the heated uniformity of the plastics is improved, after the plastics are heated, the valve on the communicating pipe 19 is opened, the melted plastics respectively fall into the three feed cylinders 3, then the first motor 8 drives the screw 9 to rotate, the melted plastics are extruded through the screw 9 and are concentrated to the melt conveying pump through the four-way melt valve 12, then the melted plastics are pressurized to a spinneret plate of a granulator, and then are processed into a finished product of granules through an underwater granulator for the next procedure, the three screws 9 work simultaneously, the working efficiency is improved conveniently, when the melted plastics move in the feed cylinders 3, the water and volatile matters in the melted plastics are conveniently extracted through the vacuumizing pump 11, the time consumed by independent drying is reduced, the working efficiency is improved, the extracted moisture and volatile matters enter the filter tank 13, the filtered moisture and volatile matters are discharged from the air outlet 14 through the activated carbon layer 16, the direct discharge of the polluted surrounding environment is avoided, when the communicating pipe 19 discharges plastics, the electric telescopic rod 30 drives the driving ring 28 to descend, the scraping rod 23 contacts with the inner side wall of the material tank 2 through the elastic force of the compression spring 26, then the stirring rod 21 drives the scraping rod 23 to rotate so as to scrape the plastics stained on the inner side wall of the material tank 2, when the communicating pipe 19 is not discharging plastics, the electric telescopic rod 30 drives the driving ring 28 to ascend, the driving ring 28 pulls the connecting rod 24 through the transfection rod 27, the scraping rod 23 is far away from the inner side wall of the material tank 2, the long-time friction between the scraping rod 23 and the inner side wall of the material tank 2 is avoided, the power consumption of the stirring rod 21 is increased, and is liable to cause wear on the scraping rod 23 and the inner side wall of the feed box 2.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. A multi-rod screw extrusion mechanism for a plastic pelletizer, comprising: bottom plate (1), its characterized in that: the utility model discloses a material scraping device, including bottom plate (1), material transporting barrel (3) top is equipped with workbin (2), three be equipped with in material transporting barrel (3) be arranged in to plastics moisture and volatile matter clear away clear mechanism (4), three material transporting barrel (3) top all is equipped with and is used for carrying out filterable filter mechanism (5) to clear away moisture and volatile matter, be equipped with in workbin (2) and scrape material mechanism (6), be equipped with in workbin (2) and be used for carrying out driven actuating mechanism (7) to scraping material mechanism (6).

2. A multi-rod screw extrusion mechanism for a plastic pelletizer as set forth in claim 1, wherein: the utility model discloses a material box, including material box (2), bottom plate (1), material box (2) and bottom plate (1) fixed surface connection through the support frame, bottom plate (1) surface is located the equal fixedly connected with motor (8) of three defeated feed cylinder (3) one side, and is three all rotate in defeated feed cylinder (3) and be connected with screw rod (9), three screw rod (9) one end all with the equal motor (8) output fixed connection of corresponding number, clear away mechanism (4) including set up in the storehouse (10) of bleeding at defeated feed cylinder (3) top, the evacuation pump (11) are installed to the storehouse (10) top surface of bleeding, evacuation pump (11) communicate with storehouse (10), and is three defeated feed cylinder (3) one side is equipped with four-way melt valve (12), and is three defeated feed cylinder (3) one end all communicates with four-way melt valve (12), three communicating pipe (19) are seted up to material box (2) bottom, and three communicating pipe (19) respectively communicate with three defeated feed cylinder (3), three all install on communicating pipe (19) valve, interior hot plate (29).

3. A multi-rod screw extrusion mechanism for a plastic pelletizer as set forth in claim 2, wherein: the filter mechanism (5) comprises a filter box (13) fixedly connected to the top of the air suction bin (10), one end of the vacuumizing pump (11) is communicated with the filter box (13), an exhaust port (14) is formed in one end of the top of the filter box (13), a filter screen box (15) is arranged at the upper end in the filter box (13), and an activated carbon layer (16) is filled in the filter screen box (15).

4. A multi-rod screw extrusion mechanism for a plastic pelletizer as claimed in claim 3, wherein: the filter screen box (15) bottom both ends all sliding connection have bracing piece (17), two bracing piece (17) one end all with rose box (13) inside wall fixed connection, filter screen box (15) one end fixedly connected with mounting panel (18), mounting panel (18) run through rose box (13) lateral wall and rose box (13) dismantlement connection.

5. A multi-rod screw extrusion mechanism for a plastic pelletizer as set forth in claim 1, wherein: and heat preservation layers (31) are arranged in the side walls of the three material conveying cylinders (3) and the side walls of the air extraction bin (10).

6. A multi-rod screw extrusion mechanism for a plastic pelletizer as set forth in claim 1, wherein: feed inlet (22) have been seted up to workbin (2) top one end, workbin (2) internal rotation is connected with puddler (21), no. two motor (20) of charge inlet (22) top middle-end fixedly connected with, no. two motor (20) output and puddler (21) top fixed connection, scrape material mechanism (6) including being located puddler (21) both ends scrape pole (23), two scrape pole (23) one side top level fixedly connected with connecting rod (24), two scrape pole (23) opposite side all with workbin (2) inside wall contact connection.

7. A multi-rod screw extrusion mechanism for a plastic pelletizer as set forth in claim 6, wherein: the utility model provides a stirring rod (21) drive mechanism, including fixed connection in two inserted bars (25) of puddler (21) lateral wall, two inserted bar (25) are located two connecting rod (24) relative positions, inserted bar (25) peg graft in connecting rod (24) one end that corresponds, connecting rod (24) inside wall fixedly connected with compression spring (26), compression spring (26) other end and inserted bar (25) one end fixed connection, connecting rod (24) inside wall and inserted bar (25) lateral wall sliding connection, puddler (21) top slip cap is equipped with drive ring (28), drive ring (28) bottom both ends all are connected with transfer rod (27) through the transfer piece rotation, two the transfer rod (27) other end all rotate with two connecting rod (24) tops respectively through the transfer piece and are connected, drive ring (28) top both ends all are fixedly connected with electric telescopic handle (30), two electric telescopic handle (30) top all with workbin (2) interior top fixed connection.