CN218366389U

CN218366389U - Spiral extrusion device is used in flexible container polypropylene film production

Info

Publication number: CN218366389U
Application number: CN202222896794.7U
Authority: CN
Inventors: 李亚飞; 常海增; 韩晓东; 连燕龙
Original assignee: Hebei Side Packaging Co ltd
Current assignee: Hebei Side Packaging Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-01-24
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a flexible container polypropylene film production is with spiral extrusion device, including the extruder body, the feeding storehouse is installed to extruder body upper end, install the stirring on the feeding storehouse and preheat the mechanism, the stirring preheats the mechanism including installing the vertical agitator in the feeding storehouse, it has a plurality of louvres to open on the vertical agitator, steam transmission pipeline is installed to vertical agitator upper end, install detection mechanism on the feeding storehouse, detection mechanism includes the multistage electric telescopic handle of fixed mounting in feeding storehouse upper end, the test stand is installed to multistage electric telescopic handle one side. The beneficial effects of the utility model are that, in this device can avoid film raw material granule directly to get into the recipient, individual granule does not absorb sufficient heat and influences its melting and extrude, still can shorten the melting time of film raw material granule in the recipient, guarantees that film raw material granule can obtain abundant melting from getting into the recipient to being extruded.

Description

Spiral extrusion device is used in flexible container polypropylene film production

Technical Field

The utility model relates to a flexible container processing equipment technical field, more specifically the theory relates to a flexible container is spiral extrusion device for polypropylene film production.

Background

The flexible container bag is a flexible transport and package container, and is widely used for transporting and packaging powdery, granular and blocky objects such as food, grain, medicine, chemical industry, mineral products and the like.

In the prior art, for example, patent No. CN202220063544.2, named as a patent of an extrusion device for producing polypropylene film, the device is mainly used for fully stirring and preheating the raw material particles by a heating and stirring device, so as to prevent the raw material particles of the film from directly entering an extrusion barrel, and individual particles do not absorb enough heat to affect the melting and extrusion of the individual particles, and on the other hand, the melting time of the raw material particles of the film in the extrusion barrel can be shortened, so that the raw material particles of the film can be fully melted after entering the extrusion barrel and being extruded, but some problems exist in the use process.

The above description is included in the technical knowledge of the inventors, and does not necessarily constitute a prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems and designing a spiral extrusion device for producing polypropylene films of flexible freight bags.

The technical scheme of the utility model is that the screw extrusion device for producing the polypropylene film of the flexible freight bag comprises an extruder body, a feeding bin is arranged at the upper end of the extruder body, a feeding channel is arranged at one side of the upper end of the feeding bin, one end of the feeding channel is hinged with a dustproof baffle cover, the feeding bin is provided with a screw hole,

the stirring and preheating mechanism comprises a longitudinal stirrer arranged in the feeding bin, the longitudinal stirrer is of a hollow design, a plurality of heat dissipation holes are formed in the longitudinal stirrer, a hot gas transmission pipeline is arranged at the upper end of the longitudinal stirrer and can input hot gas into the longitudinal stirrer,

the detection mechanism comprises a multi-stage electric telescopic rod fixedly installed at the upper end of the feeding bin, a detection frame is installed on one side of the multi-stage electric telescopic rod, and the lower end of the detection frame stretches to the inner side of the feeding bin.

Further, vertical agitator includes hollow sleeve, antifriction bearing is installed at hollow sleeve both ends, antifriction bearing passes through the bracing piece and installs at the side surface in the feeding storehouse, install a plurality of hollow tubes on the hollow sleeve, the louvre is located the hollow tube lower extreme, the hollow tube is kept away from hollow sleeve's one end and is installed the baffle, the protective cover is installed to the hollow sleeve lower extreme, feeding storehouse top is stretched to the hollow sleeve upper end, actuating mechanism is installed to feeding storehouse upper end one side, actuating mechanism can drive hollow sleeve and rotate.

Further, actuating mechanism includes the rotating electrical machines of fixed mounting in feeding storehouse upper end one side, first gear is installed to the rotating electrical machines rotation end, the second gear is installed to hollow sleeve upper end, first gear and second gear meshing.

Furthermore, the hot gas transmission pipeline comprises a suction pump fixedly installed on one side of the outlet end of the extruder body, the inlet end of the suction pump extends to the upper part of the outlet end of the extruder body, the outlet end of the suction pump is provided with a gas guide pipe, the upper end of the hollow sleeve is provided with a lifting piston, the outlet end of the gas guide pipe penetrates through the lifting piston to extend into the hollow sleeve, and the lifting piston is connected with the telescopic end of the multi-stage electric telescopic rod through a connecting rod.

Further, the detection frame includes the pick-up plate, surface mounting has pressure sensor on the pick-up plate, the lifter is installed to the pressure sensor upper end, the lifter upper end is stretched to feeding storehouse top, the lifter upper end is connected with the flexible end of multistage electric telescopic handle.

Furthermore, the feeding bin is provided with an alarm at the upper end, one side of the upper end of the lifting rod is provided with a pressing rod, and the pressing rod can move to the upper end of the alarm.

Further, a feeding screw is arranged at the lower end of the longitudinal stirrer.

The utility model has the advantages that: the device is provided with a longitudinal stirrer, hot gas is introduced into the longitudinal stirrer, the raw material can be preheated, and the raw material can be stirred through the rotation of the longitudinal stirrer, so that the hot gas and the raw material can be mixed on one hand, the preheating efficiency is improved, on the other hand, the raw material blockage can be prevented, the raw material surplus in the feeding bin can be detected through the detection frame, further, the working personnel can be conveniently reminded to add the raw material, the device can prevent film raw material particles from directly entering the extrusion cylinder, the melting and extrusion of the film raw material particles are influenced because individual particles do not absorb enough heat, the melting time of the film raw material particles in the extrusion cylinder can be shortened, the film raw material particles can be fully melted from entering the extrusion cylinder to being extruded, and the problem of incomplete melting caused by untimely supply of the film raw material particles is avoided,

the longitudinal stirrer comprises a hollow sleeve and a hollow pipe, the raw materials can be uniformly preheated by hot gas through the rotation of the hollow sleeve and the hollow pipe, the preheating effect is better, the heat dissipation holes are formed at the lower end of the hollow pipe, the raw materials can be prevented from entering the hollow pipe,

the hot gas emitted by the product can be extracted by the suction pump and the raw material can be preheated, the heat energy can be recycled, the use is more energy-saving,

the residual quantity of the raw materials can be detected through the pressure sensor, the lifting piston can move through the extension and retraction of the electric telescopic rod, and then after the raw materials are reduced, hot gas cannot be scattered from the upper end of the raw materials, so that the waste can be reduced, the utilization rate of heat energy is improved,

through the rotation of feeding screw, can impress the raw materials in the extruder, can make the raw materials comparison of extruder internal be more abundant, can be when the extruder body operates, can constantly stir the messenger of being molten film raw materials granule and fully absorb the heat and the melting is thorough through the extruder to propelling movement forward, the ejection of compact of being convenient for.

Drawings

FIG. 1 is a schematic structural view of a screw extrusion device for producing polypropylene films for flexible freight bags according to the present invention;

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

FIG. 3 is a schematic view of the position relationship between the convex stopper and the arc-shaped pushing handle;

in the figure, 1, an extruder body; 2. a feeding bin; 3. a feed channel; 4. a dust-proof shield cover; 5. a longitudinal agitator; 6. heat dissipation holes; 7. a hot gas delivery pipeline; 8. a multi-stage electric telescopic rod; 9. a detection frame; 10. a hollow sleeve; 11. a rolling bearing; 12. a support bar; 13. a hollow tube; 14. a baffle plate; 15. a protective cover; 16. a rotating electric machine; 17. a first gear; 18. a second gear; 19. a suction pump; 20. an air duct; 21. a lift piston; 22. a connecting rod; 23. detecting a plate; 24. a pressure sensor; 25. a lifting rod; 26. an alarm; 27. a pressing lever; 28. a feed screw.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the attached drawings in the embodiments of the present invention are combined to clearly and completely illustrate the technical solution in the embodiments of the present invention, and obviously, the described embodiments are part of the embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The utility model provides a spiral extrusion device is used in flexible container polypropylene film production as shown in fig. 1-3, including extruder body 1, feed bin 2 is installed to extruder body 1 upper end, feedstock channel 3 is installed to 2 upper ends one sides in feed bin, 3 one end hinges there is dustproof fender lid 4 of feedstock channel, install the stirring on the feed bin 2 and preheat the mechanism, the stirring is preheated the mechanism and is included the vertical agitator 5 of installing in feed bin 2, vertical agitator 5 is the cavity design, it has a plurality of louvres 6 to open on the vertical agitator 5, hot gas transmission pipeline 7 is installed to vertical agitator 5 upper end, hot gas transmission pipeline 7 can be with steam input to vertical agitator 5 in, install detection mechanism on the feed bin 2, detection mechanism includes the multistage electric telescopic link 8 of fixed mounting in feed bin 2, detection frame 9 is installed to multistage electric 8 one side, detection frame 9 lower extreme stretches to the inboard telescopic link upper end in feed bin 2

The process of extruding the polypropylene film by the device is as follows: under the normality, stretch multistage electric telescopic handle 8 longest, will detect frame 9 and remove 2 inboard upper ends in feeding storehouse, open dustproof fender lid 4, add appropriate amount of raw materials in feeding storehouse 2 through feedstock channel 3, after the interpolation finishes, keep off lid 4 and close dustproof, can prevent that dust from getting into, rotate vertical agitator 5, and carry hot gas through hot gas transmission pipeline 7 to vertical agitator 5 inboardly, and make hot gas pass through louvre 6 effluvium, and then can preheat the raw materials, start extruder body 1 operation, can extrude the polypropylene film, along with the operation of this device, can make the raw materials in the feeding storehouse 2 reduce, start multistage electric telescopic handle 8 and shorten, can make detection frame 9 remove downwards, and then can more accurate detect the raw materials surplus, when the raw materials surplus, keep off lid 4 by the staff and open and feed in raw materials.

Referring to the attached drawings 1 and 2 in the specification, the longitudinal stirrer 5 comprises a hollow sleeve 10, rolling bearings 11 are mounted at two ends of the hollow sleeve 10, the rolling bearings 11 are mounted on the inner side surface of the feeding bin 2 through support rods 12, a plurality of hollow pipes 13 are mounted on the hollow sleeve 10, heat dissipation holes 6 are located at the lower ends of the hollow pipes 13, a baffle 14 is mounted at one end, away from the hollow sleeve 10, of each hollow pipe 13, a protective cover 15 is mounted at the lower end of the hollow sleeve 10, the upper end of the hollow sleeve 10 extends above the feeding bin 2, a driving mechanism is mounted on one side of the upper end of the feeding bin 2 and can drive the hollow sleeve 10 to rotate,

the process of preheating the raw materials by the longitudinal stirrer 5 is as follows: it is inboard to let in hollow sleeve 10 with steam, can make steam flow in hollow sleeve 10 and hollow tube 13 to make steam pass through louvre 6 effluvium, baffle 14 and protective cover 15 can prevent that the raw materials from entering into hollow sleeve 10 and hollow tube 13 in, can drive hollow sleeve 10 through actuating mechanism and rotate, and then can stir the raw materials, can make the raw materials preheat more evenly.

Referring to the attached drawings 1 and 2 in the specification, the driving mechanism comprises a rotating motor 16 fixedly arranged on one side of the upper end of the feeding bin 2, a first gear 17 is arranged at the rotating end of the rotating motor 16, a second gear 18 is arranged at the upper end of the hollow sleeve 10, the first gear 17 is meshed with the second gear 18,

the process of the driving mechanism driving the hollow sleeve 10 to rotate is as follows: the rotating motor 16 is started to rotate, the rotating motor 16 can drive the first gear 17 to rotate, and the first gear 17 is meshed with the second gear 18 and can drive the second gear 18 and the hollow sleeve 10 to rotate.

Referring to the attached drawings 1 and 2 in the specification, the hot gas transmission pipeline 7 comprises a suction pump 19 fixedly installed on one side of the outlet end of the extruder body 1, the inlet end of the suction pump 19 extends to the upper part of the outlet end of the extruder body 1, the outlet end of the suction pump 19 is provided with a gas guide pipe 20, the upper end in the hollow sleeve 10 is provided with a lifting piston 21, the outlet end of the gas guide pipe 20 penetrates through the lifting piston 21 to extend into the hollow sleeve 10, the lifting piston 21 is connected with the telescopic end of the multi-stage electric telescopic rod 8 through a connecting rod 22,

the hot gas transmission pipeline 7 transmits hot gas in the following process: start the operation of suction pump 19, suction pump 19 can be with the extraction of extruder body 1 exhaust steam, and can make steam flow to the hollow sleeve 10 of lift piston 21 lower extreme in through air duct 20, and then can be convenient for hollow sleeve 10 looses steam, when the raw materials in feeding storehouse 2 reduce, multistage electric telescopic handle 8 can promote below test rack 9, and then can detect the surplus of raw materials, when multistage electric telescopic handle 8 shortens, can promote lift piston 21 below through connecting rod 22, and then can make steam can not remove the raw materials upper end, and then the waste of reducible heat energy.

Referring to the attached drawings 1 and 3 in the specification, the detection frame 9 comprises a detection plate 23, a pressure sensor 24 is arranged on the upper surface of the detection plate 23, a lifting rod 25 is arranged at the upper end of the pressure sensor 24, the upper end of the lifting rod 25 extends to the upper part of the feeding bin 2, the upper end of the lifting rod 25 is connected with the telescopic end of the multi-stage electric telescopic rod 8,

the process of detecting the residual amount of the raw materials by the detection frame 9 is as follows: start multistage electric telescopic handle 8 and shorten, can make pressure sensor 24 and pick-up plate 23 move downwards through lifter 25, when the lower surface of pick-up plate 23 contacted the raw materials upper surface, can make pressure sensor 24 feel pressure, then close multistage electric telescopic handle 8, after the raw materials upper surface moves the below, produce the clearance between pick-up plate 23 and the raw materials, pressure reduces this moment, start multistage electric telescopic handle 8 and continue to shorten, can detect the raw materials surplus.

Referring to the accompanying drawings 1 and 3 in the specification, an alarm 26 is arranged at the upper end of the feeding bin 2, a pressing rod 27 is arranged on one side of the upper end of the lifting rod 25, the pressing rod 27 can move to the upper end of the alarm 26,

when the lifting rod 25 moves downwards, the pressing rod 27 can move downwards, and when the pressing rod 27 moves to the upper end of the alarm 26, the alarm 26 can be pressed down, so that the alarm 26 can give an alarm, and a worker can be reminded to feed materials.

Referring to fig. 1 of the specification, a feed screw 28 is installed at the lower end of the longitudinal agitator 5,

when the longitudinal stirrer 5 rotates, the feeding screw 28 can be driven to rotate, so that the feeding screw 28 pushes the raw materials downwards, the raw materials can be prevented from being blocked, the raw materials can be filled in the extruder body 1, and the quality of finished products is ensured.

Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A spiral extrusion device for producing a flexible freight bag polypropylene film comprises an extruder body (1), wherein a feeding bin (2) is arranged at the upper end of the extruder body (1), a feeding channel (3) is arranged at one side of the upper end of the feeding bin (2), one end of the feeding channel (3) is hinged with a dustproof baffle cover (4), and the spiral extrusion device is characterized in that the feeding bin (2) is provided with a dustproof baffle cover,

the stirring and preheating mechanism comprises a longitudinal stirrer (5) arranged in a feeding bin (2), the longitudinal stirrer (5) is designed in a hollow mode, a plurality of heat dissipation holes (6) are formed in the longitudinal stirrer (5), a hot gas transmission pipeline (7) is arranged at the upper end of the longitudinal stirrer (5), hot gas can be input into the longitudinal stirrer (5) through the hot gas transmission pipeline (7),

detection mechanism, detection mechanism includes multistage electric telescopic handle (8) of fixed mounting in feeding storehouse (2) upper end, test rack (9) are installed to multistage electric telescopic handle (8) one side, test rack (9) lower extreme stretches feeding storehouse (2) inboardly.

2. The spiral extrusion device for producing the polypropylene film for the flexible freight bag according to claim 1, wherein the longitudinal stirrer (5) comprises a hollow sleeve (10), rolling bearings (11) are mounted at two ends of the hollow sleeve (10), the rolling bearings (11) are mounted on the inner side surface of the feeding bin (2) through support rods (12), a plurality of hollow pipes (13) are mounted on the hollow sleeve (10), the heat dissipation holes (6) are located at the lower ends of the hollow pipes (13), a baffle (14) is mounted at one end, far away from the hollow sleeve (10), of each hollow pipe (13), a protective cover (15) is mounted at the lower end of the hollow sleeve (10), the upper end of the hollow sleeve (10) extends to the position above the feeding bin (2), a driving mechanism is mounted at one side of the upper end of the feeding bin (2), and the driving mechanism can drive the hollow sleeve (10) to rotate.

3. The screw extrusion device for producing polypropylene films of flexible freight bags according to claim 2, wherein the driving mechanism comprises a rotating motor (16) fixedly arranged on one side of the upper end of the feeding bin (2), a first gear (17) is arranged at the rotating end of the rotating motor (16), a second gear (18) is arranged at the upper end of the hollow sleeve (10), and the first gear (17) is meshed with the second gear (18).

4. The screw extrusion device for producing the polypropylene film of the flexible freight bag according to claim 2, wherein the hot gas transmission pipeline (7) comprises a suction pump (19) fixedly installed on one side of the outlet end of the extruder body (1), the inlet end of the suction pump (19) extends to the upper part of the outlet end of the extruder body (1), the outlet end of the suction pump (19) is provided with a gas guide pipe (20), the upper end in the hollow sleeve (10) is provided with a lifting piston (21), the outlet end of the gas guide pipe (20) penetrates through the lifting piston (21) to extend into the hollow sleeve (10), and the lifting piston (21) is connected with the telescopic end of the multi-stage electric telescopic rod (8) through a connecting rod (22).

5. The spiral extrusion device for producing the polypropylene film of the bulk bag as claimed in claim 1, wherein the detection frame (9) comprises a detection plate (23), a pressure sensor (24) is mounted on the upper surface of the detection plate (23), a lifting rod (25) is mounted at the upper end of the pressure sensor (24), the upper end of the lifting rod (25) extends to the upper part of the feeding bin (2), and the upper end of the lifting rod (25) is connected with the telescopic end of the multi-stage electric telescopic rod (8).

6. The screw extrusion device for producing polypropylene films for flexible freight bags according to claim 5, wherein an alarm (26) is arranged at the upper end of the feeding bin (2), a pressing rod (27) is arranged on one side of the upper end of the lifting rod (25), and the pressing rod (27) can move to the upper end of the alarm (26).

7. A screw extrusion device for producing polypropylene films for flexible freight bags according to claim 1, characterized in that the lower end of the longitudinal stirrer (5) is provided with a feed screw (28).