CN219446104U - PE film blowing device - Google Patents

Abstract

The utility model discloses a PE film blowing device, which comprises a base and a crushing unit, wherein the base is provided with a blowing device; and (2) base: the left side of the upper surface of the base is provided with a hollow seat, the middle part of the upper surface of the base is provided with a support saddle which is bilaterally symmetrical, a melting barrel is fixedly connected between the right side surface of the hollow seat and the two support saddle, a feeding hopper is arranged at a feeding hole at the left end of the outer cambered surface of the melting barrel, the right end of the inner cambered wall of the melting barrel is provided with a support plate, a spiral pushing rod is rotationally connected between the right side surface of the hollow seat and the left side surface of the support plate through a bearing, and the right side of the upper surface of the base is provided with a cooling air ring through symmetrically arranged support rods; the PE film blowing device can rapidly finish the production and processing of the PE film, has higher automation degree, can effectively crush the PE film raw material on the premise of not increasing other driving equipment, ensures that the PE film raw material can be uniformly heated and rapidly melted in the subsequent process, and improves the quality of the final film blowing operation.

Description

PE film blowing device

Technical Field

The utility model relates to the technical field of PE film production, in particular to a film blowing device for PE films.

Background

The PE film is polyethylene film, and is film produced with PE particles. The PE film has moisture resistance and small moisture permeability. Polyethylene film (PE) can be manufactured into products with different properties such as low density, medium density, high density polyethylene, crosslinked polyethylene and the like according to different manufacturing methods and control means.

In the production and manufacture of PE films, a film blowing device (film blowing machine) is usually adopted, and the working flow of the film blowing machine is as follows: the dried plastic master batch is sent into a melting barrel through a discharging hopper, the plastic master batch is gradually melted through extrusion pushing of a screw rod and external heating, the melted plastic is discharged from a die head die orifice, and the final finished film is collected and coiled into a barrel shape through a herringbone plate and a traction roller after cooling and inflation by a cooling air ring.

The conventional PE film blowing device is generally realized by external heat supply, so that the heated direction of the plastic master batch is gradually penetrated from outside to inside, the inner core of the plastic master batch is difficult to be effectively heated in the melting process, the common solution is to add crushing equipment in a feed hopper to reduce the granularity of the plastic master batch so as to uniformly heat the plastic master batch, but the crushing equipment is often provided with additional driving equipment, so that the precondition input cost is greatly increased, and the PE film blowing device is provided.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the PE film blowing device which can rapidly finish the production and processing of PE films, has higher automation degree, can effectively crush PE film raw materials on the premise of not adding other driving equipment, ensures that the PE film raw materials can be uniformly heated and rapidly melted in the subsequent process, improves the quality of final film blowing operation, and can effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a PE film blowing device comprises a base and a crushing unit;

and (2) base: the left side of the upper surface of the base is provided with a hollow seat, the middle part of the upper surface of the base is provided with a bilateral symmetry support seat, the right side surface of the hollow seat and a feeding hopper is fixedly connected between the two support seats, the feeding port of the left end of the outer cambered surface of the melt barrel is provided with a feeding hopper, the right end of the inner cambered wall of the melt barrel is provided with a support plate, a spiral pushing rod is rotationally connected between the right side surface of the hollow seat and the left side surface of the support plate through a bearing, the right side of the upper surface of the base is provided with a cooling air ring through symmetrically arranged support rods, the cooling air ring is arranged at the extrusion port of the right end of the melt barrel, evenly distributed electric heating wires are arranged in an annular groove on the right side of the inner cambered wall of the melt barrel, and an annular heat conducting plate is arranged at the edge of the annular groove on the right side of the inner cambered wall of the melt barrel and is matched with the inner cambered wall of the melt barrel;

crushing unit: the feeding hopper is arranged between the hollow seat and the feeding hopper;

wherein: the front side of hollow seat is equipped with control switch group, and the external power source is connected to control switch group's input electricity, and the output of control switch group is connected to electric heating wire's input electricity, can accomplish the production and processing of PE membrane fast, and degree of automation is higher, and can effectively break PE membrane raw materials under the prerequisite that does not increase other actuating device, makes PE membrane raw materials can evenly be heated and melt rapidly at the follow-up in-process, promotes the quality of final inflation film manufacturing work.

Further, the crushing unit includes bull stick, axial spout and crushing roller, the bull stick passes through the bearing around symmetry rotation connect in the inside of feeder hopper, and the left end of bull stick all extends to the inside of hollow seat, and the extrados of bull stick all is equipped with around symmetry axial spout, and two axial spouts that are located on same bull stick all correspond the axial slide sliding connection that sets up in the perforation of transversely adjacent crushing roller middle part, can extrude the breakage to PE membrane raw materials for plastics master batch can evenly be heated and melt rapidly at subsequent in-process.

Further, the crushing unit further comprises gears, the gears are respectively arranged at the left ends of the two rotating rods, and the two gears are in meshed connection with each other, so that the two rotating rods can rotate in opposite directions.

Further, the crushing unit further comprises an annular frame, convex rods and rolling balls, the annular frame is arranged on the left inner wall and the right inner wall of the feeding hopper in a front-to-back symmetrical mode, the convex rods are arranged at the front ends of the left side and the right side of the crushing roller, the rolling balls are rotationally connected in the ball grooves at the outer ends of the convex rods, and the rolling balls are in contact with the transversely adjacent annular frames to enable the crushing roller to reciprocate left and right.

Furthermore, the inner side surfaces of the annular frames are obliquely arranged downwards from left to right, and the inner sides of the two transversely corresponding annular frames are parallel to each other, so that the follow-up work can be ensured to be normally carried out.

Further, the left surface of hollow seat is equipped with the motor, and the output shaft of motor rotates with hollow seat through the bearing to be connected and extend to the inside of hollow seat, and the output shaft right-hand member of motor and the left end fixed connection of spiral pushing rod, the outer cambered surface left end of spiral pushing rod and the bull stick outer cambered surface left end of rear side all are equipped with the belt groove, and the transmission is connected with the belt between two belt grooves, and the output of control switch group can be driven to the bull stick of spiral pushing rod and rear side to the input electricity of motor.

Further, the inside upper end of feeder hopper is equipped with the guide frame, and the upper surface of guide frame all from outside to inside downward sloping sets up, can provide the water conservancy diversion effect for PE membrane raw materials, makes PE membrane raw materials get into in the gap of two crushing rollers.

Compared with the prior art, the utility model has the beneficial effects that: the PE film blowing device has the following advantages:

1. the personnel are linked together the air-out pipeline of outside air-blower and the air-in pipeline of cooling wind ring earlier, later personnel send into the inside of melt section of thick bamboo with the plastics masterbatch that preparation PE membrane was used through the feeder hopper, then through the regulation and control of control switch group, the motor operation drives spiral ejector pin and rotates, spiral ejector pin can extrude the inside plastics masterbatch of melt section of thick bamboo right and push this moment, simultaneously the electric heater wire circular telegram is with electric energy conversion heat energy, plastics masterbatch can become the molten state because of high temperature influence under annular heat-conducting plate's heat transfer effect, under the thrust effect of spiral ejector pin, molten plastics can finally be discharged by the extrusion mouth department of melt section of thick bamboo right-hand member, and the cold wind that outside air-blower lets in can cool down the inflation and make its design into the film through cooling wind ring, finally carry out the rolling to PE membrane through outside rolling equipment and can accomplish the production work to PE membrane, degree of automation is higher.

2. When the plastic master batch is sent into the inside of the feed hopper, the two rotating rods can drive the two crushing rollers to rotate towards opposite directions under the action of radial holding force provided by the axial sliding grooves under the influence of the transmission action of the belt and the meshing connection relation of the two gears, so that the plastic master batch is primarily extruded and crushed, the plastic master batch can be uniformly heated and quickly melted in the subsequent process, in the rotating process of the crushing rollers, the contact point of the rolling ball and the inclined side surface of the annular frame can be changed along with the contact point, the crushing rollers are driven to reciprocate left and right along the rotating rods, and the two crushing rollers can alternately transversely move towards opposite directions under the cooperation of the rolling ball and the annular frame due to the opposite rotating directions of the two crushing rollers, so that the crushing effect on the plastic master batch is enhanced on the premise of not increasing other driving equipment, and the heated comprehensiveness of the plastic master batch and the quality of final film blowing work are further improved.

Drawings

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

FIG. 2 is a schematic view of the present utility model in front view and in cross section;

FIG. 3 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 4 is an enlarged schematic view of the structure of the present utility model at B;

FIG. 5 is a schematic top view of the feed hopper of the present utility model in an inner cross-sectional configuration.

In the figure: 1 base, 2 hollow seat, 3 support, 4 melt section of thick bamboo, 5 feeder hopper, 6 crushing unit, 61 bull stick, 62 axial spout, 63 crushing roller, 64 gear, 65 annular frame, 66 protruding pole, 67 spin, 7 extension board, 8 spiral pushing rod, 9 branch, 10 cooling wind ring, 11 control switch group, 12 electric heating wire, 13 annular heat-conducting plate, 14 motor, 15 belt, 16 guide frame.

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.

Referring to fig. 1-5, the present embodiment provides a technical solution: a PE film blowing device comprises a base 1 and a crushing unit 6;

base 1: the left side of the upper surface of the base 1 is provided with a hollow seat 2, the middle part of the upper surface of the base 1 is provided with a support 3 which is bilaterally symmetrical, the right side surface of the hollow seat 2 and a feeding port at the left end of the outer arc surface of the melt barrel 4 are fixedly connected with a melt barrel 4, the feeding port is provided with a feeding hopper 5, the right end of the inner arc wall of the melt barrel 4 is provided with a support plate 7, a spiral pushing rod 8 is rotationally connected between the right side surface of the hollow seat 2 and the left side surface of the support plate 7 through a bearing, the right side of the upper surface of the base 1 is provided with a cooling air ring 10 through a support rod 9 which is symmetrically arranged, the cooling air ring 10 is arranged at the material extruding port at the right end of the melt barrel 4, an electric heating wire 12 which is uniformly distributed is arranged in an annular groove at the right side of the inner arc wall of the melt barrel 4, the annular groove edge at the right side of the inner arc wall of the melt barrel 4 is provided with an annular heat conducting plate 13, the inner arc wall of the annular heat conducting plate 13 is matched with the inner arc wall of the melt barrel 4, the personnel communicate the air outlet pipeline of the external blower with the air inlet pipeline of the cooling air ring 10, then the personnel send the plastic master batch for manufacturing PE film into the interior of the melting barrel 4 through the feed hopper 5, when the spiral pushing rod 8 rotates, the plastic master batch in the melting barrel 4 can be extruded and pushed rightwards, meanwhile, the electric heating wire 12 is electrified to convert electric energy into heat energy through the regulation and control of the control switch group 11, the plastic master batch can be converted into a molten state under the heat transfer effect of the annular heat conducting plate 13 due to the high temperature, the molten plastic can be finally discharged from the extrusion opening at the right end of the melting barrel 4 under the thrust effect of the spiral pushing rod 8, the cold air fed by the external blower cools and expands the molten plastic through the cooling air ring 10 to form the molten plastic into a film shape, and finally the PE film can be rolled through the external rolling equipment to finish the production work of the PE film, the degree of automation is high;

crushing unit 6: the crushing unit 6 comprises a rotating rod 61, an axial sliding groove 62 and a crushing roller 63, wherein the rotating rod 61 is connected in the interior of the feeding hopper 5 through bearing front-back symmetrical rotation, the left end of the rotating rod 61 is extended to the interior of the hollow seat 2, the outer cambered surface of the rotating rod 61 is provided with the axial sliding groove 62 which is symmetrical front-back, two axial sliding grooves 62 positioned on the same rotating rod 61 are in sliding connection with axial sliding strips which are correspondingly arranged in middle through holes of the crushing roller 63 which are transversely adjacent, the crushing unit 6 also comprises a gear 64, the gear 64 is respectively arranged at the left ends of the two rotating rods 61, the two gears 64 are in meshed connection with each other, the crushing unit 6 also comprises an annular frame 65, a convex rod 66 and a rolling ball 67, the annular frame 65 is arranged on the left inner wall and the right inner wall of the feeding hopper 5 in a front end of the left side and the right side of the crushing roller 63 is provided with the convex rod 66, the rolling ball 67 is rotationally connected in the spherical groove at the outer end of the convex rod 66, the rolling balls 67 are in contact with the transversely adjacent annular frames 65, the inner side surfaces of the annular frames 65 are obliquely arranged from left to right, the inner sides of the transversely corresponding two annular frames 65 are parallel to each other, when the plastic master batch is fed into the feed hopper 5, the two rotating rods 61 drive the two crushing rollers 63 to rotate in opposite directions under the radial holding force provided by the axial sliding grooves 62 under the influence of the transmission action of the belt 15 and the meshing connection relation of the two gears 64, so as to primarily crush and crush the plastic master batch, so that the plastic master batch can be uniformly heated and quickly melted in the subsequent process, in the rotating process of the crushing rollers 63, the contact point of the inclined side surfaces of the rolling balls 67 and the annular frames 65 is changed, the crushing rollers 63 are driven to reciprocate left and right along the rotating rods 61, and the rotating directions of the two crushing rollers 63 are opposite, under the cooperation of the rolling balls 67 and the annular frame 65, the two crushing rollers 63 alternately transversely move towards opposite directions, so that a transverse friction force is applied to the plastic master batch again on the premise of not increasing other driving equipment, the crushing effect on the plastic master batch is enhanced, and the heated comprehensiveness of the plastic master batch and the quality of final film blowing work are further improved;

wherein: the front side of the hollow seat 2 is provided with a control switch group 11, the input end of the control switch group 11 is electrically connected with an external power supply, and the input end of the electric heating wire 12 is electrically connected with the output end of the control switch group 11.

Wherein: the left surface of hollow seat 2 is equipped with motor 14, the output shaft of motor 14 rotates with hollow seat 2 through the bearing to be connected and extend to the inside of hollow seat 2, the output shaft right-hand member of motor 14 and the left end fixed connection of spiral pushing rod 8, the extrados left end of spiral pushing rod 8 and the bull stick 61 extrados left end of rear side all are equipped with the belt groove, the transmission is connected with belt 15 between two belt grooves, the output of control switch group 11 is connected to the input electricity of motor 14, through the regulation and control of control switch group 11, motor 14 operation drives spiral pushing rod 8 rotation.

Wherein: the upper end in the feeder hopper 5 is equipped with the guide frame 16, and the upper surface of guide frame 16 all is from outside to inside downward sloping setting can provide the water conservancy diversion effect for PE membrane raw materials, promotes PE membrane raw materials to get into in the gap of two crushing rollers 63.

The working principle of the PE film blowing device provided by the utility model is as follows: the personnel communicate the air outlet pipeline of the external blower with the air inlet pipeline of the cooling air ring 10, then the personnel send the plastic master batch for manufacturing PE film into the interior of the melting barrel 4 through the feed hopper 5, then the motor 14 operates to drive the spiral pushing rod 8 to rotate through the control of the control switch group 11, at the moment, the spiral pushing rod 8 can extrude and push the plastic master batch in the melting barrel 4 rightwards, meanwhile, the electric heating wire 12 is electrified to convert electric energy into heat energy, the plastic master batch can be converted into a molten state under the effect of high temperature under the heat transfer of the annular heat conducting plate 13, the molten plastic can be finally discharged from the extrusion port at the right end of the melting barrel 4 under the thrust of the spiral pushing rod 8, and the cold air introduced by the external blower can cool and blow the molten plastic through the cooling air ring 10 to form the molten plastic into a film shape, finally, the PE film is rolled by an external rolling device to finish the production work of the PE film, the degree of automation is higher, in addition, when the plastic master batch is fed into the feed hopper 5, the two rotating rods 61 drive the two crushing rollers 63 to rotate in opposite directions under the radial holding force provided by the axial sliding grooves 62 under the influence of the transmission action of the belt 15 and the meshing connection relation of the two gears 64, so as to crush the plastic master batch preliminarily, the plastic master batch can be heated uniformly and melted quickly in the subsequent process, in the rotating process of the crushing rollers 63, the contact point of the inclined side surfaces of the rolling balls 67 and the annular frame 65 is changed, the crushing rollers 63 are driven to reciprocate left and right along the rotating rods 61, and the two crushing rollers 63 are alternately and transversely moved in opposite directions under the cooperation of the rolling balls 67 and the annular frame 65 due to the opposite rotating directions of the two crushing rollers 63, therefore, on the premise of not increasing other driving equipment, a transverse friction force is applied to the plastic master batch again, the crushing effect on the plastic master batch is enhanced, and the heated comprehensiveness of the plastic master batch and the quality of final film blowing work are further improved.

It should be noted that, in the above embodiment, the electric heating wire 12 is selected from BGH nichrome heating wires, the motor 14 is selected from SM3L-042A1BDV servo motors, and the control switch group 11 is provided with switch buttons corresponding to the electric heating wire 12 and the motor 14 one by one for controlling the switching operation thereof.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. A blown film device of PE membrane, its characterized in that: comprises a base (1) and a crushing unit (6);

base (1): a hollow seat (2) is arranged on the left side of the upper surface of the base (1), a left-right symmetrical support (3) is arranged in the middle of the upper surface of the base (1), a melting barrel (4) is fixedly connected between the right side surface of the hollow seat (2) and the two supports (3), a feed hopper (5) is arranged at a feed inlet at the left end of the outer arc surface of the melting barrel (4), a support plate (7) is arranged at the right end of the inner arc wall of the melting barrel (4), a spiral pushing rod (8) is rotationally connected between the right side surface of the hollow seat (2) and the left side surface of the support plate (7) through a bearing, a cooling air ring (10) is arranged on the right side of the upper surface of the base (1) through symmetrically arranged support rods (9), the cooling air ring (10) is arranged at a material extruding opening at the right end of the melting barrel (4), uniformly distributed electric heating wires (12) are arranged in an annular groove at the right side of the inner arc wall of the melting barrel (4), an annular heat conducting plate (13) is arranged at the edge of the annular groove at the right side of the inner arc wall of the melting barrel (4), and the inner arc wall of the annular heat conducting plate (13) is matched with the inner arc wall of the melting barrel (4);

crushing unit (6): is arranged between the hollow seat (2) and the feed hopper (5);

wherein: the front side of the hollow seat (2) is provided with a control switch group (11), the input end of the control switch group (11) is electrically connected with an external power supply, and the input end of the electric heating wire (12) is electrically connected with the output end of the control switch group (11).

2. The film blowing device for a PE film according to claim 1, characterized in that: the crushing unit (6) comprises a rotating rod (61), an axial sliding groove (62) and a crushing roller (63), wherein the rotating rod (61) is connected to the inside of the feeding hopper (5) through bearing front-rear symmetrical rotation, the left end of the rotating rod (61) is extended to the inside of the hollow seat (2), the outer cambered surface of the rotating rod (61) is provided with the axial sliding groove (62) which is symmetrical front-rear, and two axial sliding grooves (62) on the same rotating rod (61) are in sliding connection with the corresponding axial sliding strips in the middle perforation of the crushing roller (63) which is adjacent transversely.

3. The film blowing device for a PE film according to claim 2, characterized in that: the crushing unit (6) further comprises gears (64), the gears (64) are respectively arranged at the left ends of the two rotating rods (61), and the two gears (64) are in meshed connection with each other.

4. The film blowing device for a PE film according to claim 2, characterized in that: the crushing unit (6) further comprises an annular frame (65), convex rods (66) and rolling balls (67), the annular frame (65) is arranged on the left inner wall and the right inner wall of the feed hopper (5) in a front-to-back symmetrical mode, the convex rods (66) are arranged at the front ends of the left side and the right side of the crushing roller (63), the rolling balls (67) are rotationally connected in the spherical grooves at the outer side ends of the convex rods (66), and the rolling balls (67) are in contact with the transversely adjacent annular frame (65).

5. The film blowing device for a PE film according to claim 4, wherein: the inner side surfaces of the annular frames (65) are obliquely arranged downwards from left to right, and the inner sides of the two transversely corresponding annular frames (65) are parallel to each other.

6. The film blowing device for a PE film according to claim 1, characterized in that: the left surface of hollow seat (2) is equipped with motor (14), the output shaft of motor (14) rotates through bearing and hollow seat (2) to be connected and extend to the inside of hollow seat (2), the output shaft right-hand member of motor (14) is with the left end fixed connection of spiral pushing rod (8), the extrados left end of spiral pushing rod (8) and bull stick (61) extrados left end of rear side all are equipped with the belt groove, the transmission is connected with belt (15) between two belt grooves, the output of control switch group (11) is connected to the input electricity of motor (14).

7. The film blowing device for a PE film according to claim 1, characterized in that: the upper end of the interior of the feed hopper (5) is provided with a material guiding frame (16), and the upper surfaces of the material guiding frames (16) are all arranged in a downward inclined manner from outside to inside.