CN220681314U - Plastic film extruder for PE film - Google Patents

Abstract

The utility model relates to the technical field of extruders, and provides a plastic film extruder for PE films, which comprises a base, an outer cylinder, an inner cylinder, a spiral discharging sheet, a crushing hopper, a main crushing cutter, a secondary crushing cutter, a drying box and a drying air head, wherein the outer cylinder is arranged on the base and is fixedly connected with the extrusion hopper, an electric heating wire is arranged on the outer side wall of the inner cylinder, the spiral discharging sheet is rotationally arranged in the inner cylinder through a driving seat, a plurality of main crushing cutters are rotationally arranged in the crushing hopper, the secondary crushing cutters are rotationally staggered and arranged on the lower sides of the main crushing cutters, the drying box is arranged on the upper side of the crushing hopper, a feeding port is formed between the drying box and the crushing hopper, the top end of the drying box is communicated with a long feeding hopper, and a drying assembly is arranged between the drying box and the drying air head. Through the technical scheme, the problems that the crushing efficiency of raw materials is low and the quality of extruded finished products of plastic films is easy to reduce in the prior art are solved.

Description

Plastic film extruder for PE film

Technical Field

The utility model relates to the technical field of extruders, in particular to a plastic film extruder for PE films.

Background

The PE protective film is a macromolecular organic compound with the simplest structure, and is formed by taking a special Polyethylene (PE) plastic film as a base material and dividing the special PE plastic film into a high-density polyethylene protective film, a medium-density polyethylene and a low-density polyethylene according to different densities, wherein extrusion work is needed to be carried out through an extruder in the production process of the PE film, the extruder can heat the raw material of the plastic film to be sticky through a heating area, then the plastic film is extruded from a die with a certain shape through heating, and a PE film finished product is formed after cooling, but the current extruder is not convenient for completely crushing the entered raw material, so that the melting efficiency of the raw material is easy to be reduced;

according to the utility model, in order to improve the melting efficiency of raw materials, the utility model of patent publication No. CN210759079U provides an extruder for plastic films, when the extruder is used, a screen material cylinder and a crushing assembly for crushing raw materials are arranged on a feeding inner cylinder, raw materials with larger particles can be crushed into smaller particles passing through holes of the screen material cylinder, then the smaller particles enter an inner cavity of the extrusion material cylinder from a feeding inlet to carry out extrusion operation, and meanwhile, a heating pipe arranged between the feeding outer cylinder and the feeding inner cylinder can carry out drying treatment on the raw materials, so that the raw materials are in a drying state when being melted, and can be melted faster after entering the extrusion cylinder, although the extruder is convenient for improving the melting efficiency of the raw materials, the heating pipe can be heated between the feeding outer cylinder and the feeding inner cylinder all the time when being used, after long-term heating, the temperature in the screen material cylinder is higher, the raw materials are easier to melt in the screen material cylinder, can be adhered on crushing leaves and through holes, the crushing efficiency of the raw materials is easy to be reduced, and meanwhile, the position of the through holes of the screen material cylinder can also be blocked, so that the quality of an extruded finished product of the plastic film is easy to influence.

Disclosure of Invention

The utility model provides a plastic film extruder for a PE film, which solves the problems of lower crushing efficiency of raw materials and easiness in reducing the quality of an extruded finished product of the plastic film in the related technology.

The technical scheme of the utility model is as follows: a plastic film extruder for PE film comprises a base, an outer cylinder, an inner cylinder, a spiral discharging piece, a crushing bucket, a main crushing cutter, a secondary crushing cutter, a drying box and a drying air head,

the outer cylinder is arranged on the base, and the outer cylinder is fixedly connected with an extrusion hopper;

the inner cylinder is arranged in the outer cylinder, and an electric heating wire is arranged on the outer side wall of the inner cylinder;

the spiral discharging piece is rotationally arranged in the inner cylinder through a driving seat;

the crushing hopper is arranged on the outer cylinder and is communicated with the inner cylinder;

the main crushing cutters are arranged in a plurality, and the main crushing cutters are all rotatably arranged in the crushing hopper;

the plurality of the auxiliary crushing cutters are arranged at the lower sides of the plurality of the main crushing cutters in a rotating and staggered way;

the drying box is arranged on the upper side of the crushing hopper, a feeding port is formed between the drying box and the crushing hopper, and the top end of the drying box is communicated with a long feeding hopper;

the drying air heads are arranged in a plurality, the drying air heads are communicated in the drying box, and a drying assembly is arranged between the drying box and the drying air heads.

Preferably, the drying assembly includes:

the air heater is arranged on one side of the drying box;

the two connecting pipes are communicated with the output end of the air heater;

the support pipes are communicated with each connecting pipe, and driven pipes are communicated with the support pipes;

the fixed pipe, fixed pipe sets up to two, two fixed pipe all with driven pipe intercommunication, just dry the wind head with the intercommunication has the tuber pipe between the fixed pipe.

Further, install rotating assembly on smashing the fill, rotating assembly includes:

the protection box is arranged on one side of the crushing hopper and is fixedly connected with a mounting box;

the rotating motor is arranged in the mounting box;

the two rotating columns are fixedly connected with the main crushing cutter and the auxiliary crushing cutter respectively, and the rotating columns are in penetrating and rotating connection with the crushing hopper;

the rotating rod is arranged at the output end of the rotating motor, a main gear and a driven wheel are respectively arranged on the rotating rod and the rotating column, and the main gear is meshed with the driven wheel;

the driven box is arranged on the other side of the crushing hopper, and the rotating column is rotationally connected with the inner side wall of the driven box.

As a still further aspect of the present application, the driving seat includes:

the fixed plate is arranged on one side of the base;

the driving motor is arranged on the upper side of the fixed plate, and two fixing frames are connected between the driving motor and the fixed plate;

the driving column is arranged at the output end of the driving motor, the driving column is rotationally connected with the outer cylinder and the inner cylinder, and the spiral discharging sheet is fixedly connected with the driving column.

On the basis of the scheme, the inner side wall of the drying box is fixedly connected with a plurality of protection net covers for protecting a plurality of drying air heads.

Further stated, the outer side wall of the crushing bucket is fixedly connected with a driven block, and the driven block is provided with a rotating groove for rotating the rotating rod.

The working principle and the beneficial effects of the utility model are as follows:

1. according to the PE film raw material drying device, PE film raw materials are conveniently fed into the drying box through the long feeding hopper, and are conveniently subjected to air drying through the matching of the drying assembly and the drying air heads, so that the PE film raw materials can be dried and collide with the inner side wall of the drying box, the agglomerated PE film raw materials are conveniently scattered, and hot air can be discharged through the long feeding hopper and does not stay in the drying box all the time, so that the drying box can keep proper drying temperature, the PE film raw materials are not melted due to overhigh temperature, wherein the long feeding hopper has a certain length, part of PE film raw materials can fly upwards along with the hot air, but part of PE film raw materials fall down after flying for a certain distance, therefore, the PE film raw materials cannot fly out through the long feeding hopper, and meanwhile, the PE film raw materials after being dried and scattered can enter the crushing hopper through the feeding port;

2. according to the PE film raw material crushing machine, the rotating rod is driven by the rotating motor to rotate, the rotating rod can simultaneously rotate the two rotating columns through the meshing of the main gear and the driven wheel, so that the plurality of main crushing cutters and the plurality of auxiliary crushing cutters can simultaneously rotate, PE film raw materials can be crushed for a plurality of times through the dislocation rotation fit between the plurality of main crushing cutters and the plurality of auxiliary crushing cutters, and in the crushing process, part of PE film raw materials can fly up to collide back and forth on the inner side wall of the crushing hopper, so that the crushing efficiency of the PE film raw materials can be improved;

3. according to the utility model, after the crushed PE film raw material enters the inner cylinder through the crushing hopper, the spiral discharging piece is driven to rotate through the driving seat, so that the PE film raw material can be gradually discharged, meanwhile, the PE film raw material in the inner cylinder is conveniently heated and melted through the electric heating wire, and then the melted PE film raw material can be discharged through the extrusion hopper;

4. therefore, this plastic film extruder for PE membrane compares prior art, and it is convenient for through base, urceolus, inner tube, spiral discharge piece, crushing fill, main crushing sword, from the cooperation of crushing sword, drying cabinet, dry air head, drying module and rotating assembly etc. improves the crushing efficiency to PE membrane raw materials to be convenient for improve the extrusion efficiency to PE membrane finished product.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the outer barrel, inner barrel and extrusion hopper of the present utility model;

FIG. 3 is a schematic cross-sectional view of the cooperation of the pulverizing hopper, the drying oven and the protective oven of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a base; 2. an outer cylinder; 3. an extrusion hopper; 4. an inner cylinder; 5. an electric heating wire; 6. a spiral discharging piece; 7. crushing a hopper; 8. a main crushing cutter; 9. from the crushing knife; 10. a drying box; 11. a long feeding hopper; 12. drying the air head; 13. an air heater; 14. a connecting pipe; 15. a support tube; 16. a driven tube; 17. a fixed tube; 18. a protective box; 19. a mounting box; 20. a rotating motor; 21. rotating the column; 22. a main gear; 23. driven wheel; 24. a driven box; 25. a fixing plate; 26. a driving motor; 27. a fixing frame; 28. a drive column; 29. a protective net cover; 30. a driven block; 31. a support column; 32. and (5) connecting the columns.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill 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.

As shown in fig. 1-4, this embodiment provides a plastic film extruder for PE membrane, the on-line screen storage device comprises a base 1, urceolus 2, inner tube 4, spiral ejection of compact piece 6, smash fill 7, main crushing sword 8, from crushing sword 9, drying cabinet 10 and drying bellows 12, urceolus 2 sets up on base 1, and fixedly connected with extrudes fill 3 on the urceolus 2, be convenient for to PE membrane raw materials ejection of compact, inner tube 4 installs in urceolus 2, be provided with electric heater wire 5 on the lateral wall of inner tube 4, can heat the PE membrane raw materials in the inner tube 4, so that the PE membrane raw materials melts the ejection of compact, spiral ejection of compact piece 6 rotates through the drive seat and sets up in inner tube 4, smash fill 7 and inner tube 4 intercommunication, main crushing sword 8 sets up to a plurality of, a plurality of main crushing sword 8 all rotate and set up in smashing fill 7, set up to a plurality of from crushing sword 9, a plurality of follow crushing sword 9 all rotate dislocation arrangement in the downside of main crushing sword 8, drying cabinet 10 sets up in the upside of smashing fill 7, be provided with electric heater strip 5 on the lateral wall of drying cabinet 10, be convenient for to carry out the drying cabinet 10, be connected with between the drying cabinet 10 and the drying cabinet 12 is provided with the drying cabinet 12, be convenient for the drying cabinet is connected with between the drying cabinet 10 and the drying cabinet 10, and the drying cabinet 10 is connected with a plurality of drying cabinet 12, be convenient for the drying cabinet is provided with the drying cabinet 12, and the drying cabinet is connected with the drying cabinet 10, and is connected with the drying cabinet 12, and is convenient for the drying cabinet 12.

As shown in fig. 1 to 4, the drying assembly comprises an air heater 13, two connecting pipes 14, a supporting pipe 15 and two fixing pipes 17, wherein the air heater 13 is arranged on one side of the drying box 10, the two connecting pipes 14 are communicated with the output end of the air heater 13, the supporting pipe 15 is communicated with each connecting pipe 14, the supporting pipe 15 is communicated with a driven pipe 16, the two fixing pipes 17 are arranged, the two fixing pipes 17 are communicated with the driven pipes 16, and an air pipe is communicated between the drying air head 12 and the fixing pipes 17;

through the air heater 13 to two connecting pipes 14 blow, can make hot-blast through stay tube 15, driven tube 16, fixed pipe 17 and the intercommunication of tuber pipe get into in the dry air header 12 to be convenient for carry out the drying of blowing to PE membrane raw materials through a plurality of dry air headers 12, simultaneously PE membrane raw materials can collide with the inside wall of drying cabinet 10 when being blown, thereby can break up to the PE membrane raw materials of blocking.

As shown in fig. 1 to 4, a rotating assembly is installed on the crushing bucket 7, the rotating assembly comprises a protective box 18, a rotating motor 20, rotating columns 21, a rotating rod and a driven box 24, the protective box 18 is arranged on one side of the crushing bucket 7, an installation box 19 is fixedly connected to the protective box 18, the rotating motor 20 is installed in the installation box 19, the number of the rotating columns 21 is two, the two rotating columns 21 are respectively fixedly connected with a main crushing cutter 8 and a secondary crushing cutter 9, the rotating columns 21 and the crushing bucket 7 penetrate through and are in rotating connection, the rotating rod is arranged on the output end of the rotating motor 20, a driven block 30 is fixedly connected to the outer side wall of the crushing bucket 7, a rotating groove for rotating the rotating rod is formed in the driven block 30, the rotating stability of the rotating motor 20 on the rotating rod can be improved, a main gear 22 and a driven wheel 23 are respectively arranged on the rotating rod, the driven box 24 is installed on the other side of the crushing bucket 7, and the rotating columns 21 are in rotating connection with the inner side wall of the driven box 24;

the rotating rod is driven to rotate through the rotating motor 20, the rotating rod can simultaneously rotate the two rotating columns 21 through the meshing of the main gear 22 and the driven wheel 23, so that the plurality of main crushing cutters 8 and the plurality of auxiliary crushing cutters 9 can simultaneously rotate, and PE film raw materials can be crushed for a plurality of times through the dislocation running fit between the plurality of main crushing cutters 8 and the plurality of auxiliary crushing cutters 9.

As shown in fig. 1 to 4, the driving seat comprises a fixing plate 25, a driving motor 26 and a driving column 28, wherein the fixing plate 25 is arranged on one side of the base 1, the driving motor 26 is arranged on the upper side of the fixing plate 25, two fixing frames 27 are connected between the driving motor 26 and the fixing plate 25, so that the driving motor 26 can be stably installed, the driving column 28 is arranged on the output end of the driving motor 26, the driving column 28 is rotationally connected with the outer cylinder 2 and the inner cylinder 4, and the spiral discharging piece 6 is fixedly connected with the driving column 28; the driving column 28 is driven to rotate by the driving motor 26, so that the spiral discharging sheet 6 can be rotated, and the PE film raw material can be pushed and discharged conveniently.

In this embodiment, after the PE film raw material enters the drying oven 10 through the long feeding hopper 11, the PE film raw material can be dried and blown and scattered through the air heater 13, the connecting pipe 14, the supporting pipe 15, the fixed pipe 17, the air pipe and the drying air head 12, then the dried and scattered PE film raw material can enter the crushing hopper 7 through the feeding port, the two rotating columns 21 are simultaneously rotated through the cooperation of the rotating motor 20, the rotating rod, the main gear 22 and the driven wheel 23, the plurality of main crushing cutters 8 and the plurality of secondary crushing cutters 9 can be rotated in a staggered manner so as to crush the PE film raw material for multiple times, then the crushed PE film raw material can enter the inner barrel 4 through the crushing hopper 7, the spiral discharging piece 6 can be rotated through the cooperation of the driving motor 26 and the driving column 28 so as to facilitate the discharge of the PE film raw material, the PE film raw material in the inner barrel 4 can be gradually melted through the heating of the electric heating wire 5 in the discharging process, and the PE film raw material after melting can be conveniently extruded through the extrusion hopper 3.

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 film extruder for PE film, comprising:

a base (1);

the outer barrel (2) is arranged on the base (1), and the outer barrel (2) is fixedly connected with an extrusion hopper (3);

an inner cylinder (4), wherein the inner cylinder (4) is arranged in the outer cylinder (2), and an electric heating wire (5) is arranged on the outer side wall of the inner cylinder (4);

the spiral discharging piece (6) is rotationally arranged in the inner cylinder (4) through a driving seat;

a crushing bucket (7), wherein the crushing bucket (7) is arranged on the outer cylinder (2), and the crushing bucket (7) is communicated with the inner cylinder (4);

the main crushing cutters (8) are arranged in a plurality of mode, and the plurality of main crushing cutters (8) are all rotatably arranged in the crushing hopper (7);

a plurality of slave crushing cutters (9), wherein the plurality of slave crushing cutters (9) are arranged at the lower sides of the plurality of master crushing cutters (8) in a rotating and staggered way;

the drying box (10) is arranged on the upper side of the crushing hopper (7), a feeding port is formed between the drying box (10) and the crushing hopper (7), and the top end of the drying box (10) is communicated with the long feeding hopper (11);

drying air heads (12), drying air heads (12) are arranged in a plurality of, a plurality of drying air heads (12) are all communicated in the drying box (10), and a drying assembly is arranged between the drying box (10) and the drying air heads (12).

2. A plastic film extruder for PE films according to claim 1, wherein the drying assembly comprises:

the air heater (13), the said air heater (13) is installed on one side of the said dry box (10);

the two connecting pipes (14) are arranged, and the two connecting pipes (14) are communicated with the output end of the air heater (13);

the support pipes (15) are communicated with each connecting pipe (14), and a driven pipe (16) is communicated with the support pipes (15);

the drying device comprises two fixing pipes (17), wherein the two fixing pipes (17) are communicated with the driven pipes (16), and an air pipe is communicated between the drying air head (12) and the fixing pipes (17).

3. A plastic film extruder for PE film according to claim 2, characterized in that the crushing hopper (7) is fitted with a rotating assembly comprising:

the protection box (18), the protection box (18) is arranged at one side of the crushing hopper (7), and the protection box (18) is fixedly connected with a mounting box (19);

a rotating motor (20), wherein the rotating motor (20) is arranged in the installation box (19);

the two rotary columns (21) are arranged, the two rotary columns (21) are fixedly connected with the main crushing cutter (8) and the auxiliary crushing cutter (9) respectively, and the rotary columns (21) are in penetrating rotary connection with the crushing hopper (7);

the rotating rod is arranged at the output end of the rotating motor (20), a main gear (22) and a driven wheel (23) are respectively arranged on the rotating rod and the rotating column (21), and the main gear (22) is meshed with the driven wheel (23);

the driven box (24), driven box (24) install in the opposite side of crushing fill (7), just rotation post (21) with the inside wall of driven box (24) rotates to be connected.

4. A plastic film extruder for PE films according to claim 3, wherein said driving base comprises:

a fixing plate (25), wherein the fixing plate (25) is arranged on one side of the base (1);

the driving motor (26), the driving motor (26) is installed on the upper side of the fixed plate (25), and two fixing frames (27) are connected between the driving motor (26) and the fixed plate (25);

the driving column (28), driving column (28) set up in on the output of driving motor (26), driving column (28) with urceolus (2) with inner tube (4) rotate and be connected, just spiral ejection of compact piece (6) with driving column (28) fixed connection.

5. The plastic film extruder for PE films according to claim 4, wherein a plurality of protective screens (29) are fixedly connected to the inner side wall of the drying box (10) for protecting a plurality of drying air heads (12).

6. The plastic film extruder for PE films according to claim 5, wherein a driven block (30) is fixedly connected to the outer side wall of the crushing hopper (7), and a rotating groove for rotating the rotating rod is formed in the driven block (30).