CN111483206A - Production process and production device of film made of composite material and used for dental scarf - Google Patents

Abstract

The invention discloses a production process and a production device of a film for a dental scarf made of a composite material, which are characterized by comprising the following specific steps of: firstly, stirring and mixing; secondly, weighing and feeding; thirdly, blow molding; fourthly, multilayer compounding; fifthly, recycling the rim charge; and sixthly, slitting and winding. The production process is simple, the production efficiency is high, the environment is protected, and the pollution is small; the toughness and the tear resistance of the film are improved by adding a grid film layer in the double-layer film.

Description

Production process and production device of film made of composite material and used for dental scarf

Technical Field

The invention relates to a film, in particular to a production process and a production device of a film made of composite materials and used for a dental scarf.

Background

The PE film, namely the polyethylene film, is a film produced by using the PE film, and the PE film has moisture resistance and small moisture permeability; the film is non-toxic, can be used for food and PE films, has obvious advantages of uniformity, tensile strength and yield performance, is easy to recover and protects the environment; the outer packaging can better improve the efficiency of enterprise brands, the polyethylene film can be used for manufacturing products with different properties such as low-density, medium-density and high-density polyethylene, crosslinked polyethylene and the like according to different manufacturing methods and control means, wherein the industrial PE film usually adopts the crosslinked polyethylene PE film with strong tensile strength, a film blowing machine is utilized to be mechanical equipment for heating and melting PE plastic particles and then blowing the PE plastic particles into a film, the dried polyethylene particles are added into a blanking hopper of the film blowing machine, and are pressed by a herringbone plate after being blown and cooled by an air ring, and a traction roller is used for coiling the finished film into a barrel; in the existing plastic film production equipment, when a film is produced, raw materials are heated and melted and then blown into the film, and in the process, because the plastic is heated and melted, a lot of odor and harmful gases are generated, so that the existing plastic film production equipment has great harm to a human body and pollutes the environment for a long time, and is not beneficial to environmental protection; after the plastic film is produced, the film needs to be immediately rolled in order to prevent the plastic film from deforming, the film is usually directly cut into the required film size through a cutting device and then rolled, leftover materials are generated during cutting the film, the leftover materials are generally accumulated on the ground, when the amount of the leftover materials is large, the leftover materials are recovered and hot-melted again to form the film, the film is very troublesome, and the leftover materials are accumulated on the ground and are infected with impurities such as dust and the like to influence the quality of the film; at present, a lot of films are conveyed through guide rollers after being blown out, the films are cooled and then wound in the conveying process, and if insects fly to the films and are adhered to the films to be directly wound in the winding process, the films cannot be used and need to be removed, so that the problems of trouble and cost waste are solved; . Therefore, a production process and a production device of the film for the dental scarf made of the composite material are provided.

Disclosure of Invention

The invention aims to solve the problems and provides a production process and a production device of a film for a dental scarf made of a composite material.

In order to achieve the aim, the invention provides the following technical scheme, namely a production process of a film for a dental scarf made of a composite material, which is characterized by comprising the following specific steps of:

firstly, stirring and mixing, and starting a purification mechanism; then pouring the raw materials into a stirrer, uniformly stirring the raw materials by the stirrer and then flowing into a weighing device through a pipeline;

weighing and feeding, namely weighing the raw materials by using weighing equipment, flowing the mixed raw materials into a spiral feeding device through a pipeline after weighing, heating and melting the mixed raw materials by using the spiral feeding device, and carrying out spiral feeding;

thirdly, blow molding, namely feeding the melted and mixed raw materials into a blow molding machine through a spiral feeding device, starting a fan, and blow molding the melted and mixed raw materials through the fan and the blow molding machine; simultaneously, the film moves upwards along the guide mechanism, the cylindrical film is extruded and compounded into a film through the first compounding mechanism, and the surface of the film is treated through a corona treatment machine; after the surface treatment, the mixture is transmitted to a heating composite mechanism;

fourthly, multilayer compounding, namely, hot-melting and compounding the film and the grid film into a composite film through a heating compounding mechanism, and transmitting the composite film to a winding mechanism after compounding;

fifthly, recycling the leftover materials, cutting the thin film to the required width through a cutting mechanism on a winding mechanism, and cutting off the leftover materials on two sides of the thin film; the leftover materials are recycled and reused by an leftover material recycling mechanism;

and sixthly, cutting and winding, wherein the cut film is wound on a finished product winding rod through a winding mechanism.

More preferably, the composite film comprises a film layer and a grid film layer, wherein the grid film layer is arranged between the two film layers, the film layer is made of LL DPE, L DPE, HDPE, calcium carbonate and polyisobutylene, the grid film layer is made of PE, and the formula proportion of the film layer is LL DPE1-3 parts, L DPE0.3-1 part, HDPE0.5-2 parts, calcium carbonate 1-3 parts and polyisobutylene 0.3-1 part.

A film production device for a dental scarf made of composite materials comprises a rack, a blow molding machine, a stirrer, a heating and compounding mechanism, a winding mechanism and a purifying mechanism; the automatic stirring machine is characterized in that the stirring machine is connected with a weighing device through a pipeline, the weighing device is connected with a spiral feeding device through a pipeline, and the spiral feeding device is provided with a heating device; the spiral feeding device is connected with a blow molding machine through a pipeline, and the blow molding machine is connected with a fan through a pipeline; the blow molding machine is arranged at the bottom of the frame.

Preferably, the rack is provided with a fixed frame, the fixed frame is provided with a guide mechanism, and the fixed frame is also provided with a first compounding mechanism and a corona processor; two rollers are arranged on the first compound mechanism; the rack is also provided with a plurality of guide rollers; the guide mechanism is also provided with a limiting guide roller frame, and a plurality of limiting guide rollers are arranged on the limiting guide roller frame.

Preferably, the heating and compounding mechanism comprises a bottom frame, a compounding film roller and a film roller are arranged on the bottom frame, a grid film is wound on the compounding film roller, and a film is wound on the film roller; the composite roller is also arranged on the underframe, a heating coil is arranged in the composite roller, an end cover is arranged on the composite roller through a bolt, and the heating coil is fixedly arranged in the composite roller through the end cover; insulating cloth is filled between the heating coil and the composite roller; a heating coil in the composite roller is connected with a power supply through an electric wire; and a winding mechanism is arranged beside the heating and compounding mechanism.

Preferably, the winding mechanism comprises a winding frame, and a plurality of rollers and guide rollers are mounted on the winding frame; a slitting fixing rod and a slitting rod are further mounted on the winding frame, and a plurality of slitting cutters are mounted on the slitting fixing rod; a plurality of evenly distributed sub-cutting grooves are formed in the sub-cutting rod, and the sub-cutting knife is positioned in the sub-cutting grooves; and a finished product winding rod is further installed on the winding frame.

Preferably, the winding mechanism is further provided with an edge material recovery pipe, the edge material recovery pipe is provided with a crusher, the crusher is provided with a vortex air pump, and the crusher is connected with the spiral feeding device through a pipeline; the spiral feeding device is also provided with a vortex air pump; the crusher comprises a feeding bin, a crushing bin and a discharging bin; a cutter rest is installed in the crusher, a cutter groove and a fixed seat are installed on the cutter rest, a cutter bar is movably installed on the fixed seat, and a plurality of blades matched with the cutter groove are installed on the cutter bar; the crusher is also provided with a vertical motor and a transverse motor, the vertical motor is provided with a vertical output shaft, and the vertical output shaft is in transmission connection with the cutter bar through a gear; a transverse output shaft is mounted on the transverse motor, a cutter disc perpendicular to the cutter groove is mounted on the transverse output shaft, and a plurality of blades are also mounted on the cutter disc; a weighing device is also arranged in the crusher; the purification mechanism comprises an air duct, a purification fan and an air purifier, the purification fan is connected with the air purifier through the air duct, and an air outlet is formed in the air purifier; the ventilating duct is provided with a bell mouth, and the bell mouth is positioned at the top of the frame.

Preferably, insect prevention covers are further arranged on the outer sides of the heating and compounding mechanism and the winding mechanism, and each insect prevention cover comprises a telescopic support and a gauze installed on the telescopic support; a plurality of telescopic rods are mounted on the telescopic bracket, and adjacent telescopic rods are movably connected through pins; the bottom of the telescopic support is provided with universal wheels.

The invention has simple production process, high production efficiency, environmental protection and little pollution; the toughness and the tear resistance of the film are improved by adding a grid film layer in the double-layer film.

Drawings

FIG. 1 is a schematic structural diagram of a use state of the present invention;

FIG. 2 is a schematic view of the structure of the insect-proof cover of the present invention;

FIG. 3 is a partial schematic structural view of the present invention;

FIG. 4 is a schematic cross-sectional view of the composite roller of the present invention;

FIG. 5 is a schematic top view of the crushing bin of the present invention;

FIG. 6 is a schematic top view of the crusher of the present invention;

FIG. 7 is a side view schematically illustrating the structure of the crusher of the present invention;

FIG. 8 is a schematic view of a partial structure of a crushing bin according to the present invention

FIG. 9 is a schematic view of a partial structure of a crushing bin according to the present invention

FIG. 10 is a schematic view of the structure of the composite film of the present invention.

Illustration of the drawings: 101. compounding a film; 102. a thin film layer; 103. a mesh film layer; 1. a frame; 2. a blow molding machine; 3. a blender; 4. a compounding mechanism; 5. a winding mechanism; 6. a purification mechanism; 7. a weighing device; 8. a screw feeding device; 9. a heating device; 10. a fan; 11. a fixed mount; 12. a guide frame; 13. a roller; 14. a corona processor; 15. a guide roller; 16. a limiting guide roller frame; 17. a limiting guide roller; 18. a chassis; 19. a composite film roller; 20. compounding rollers; 21. a heater; 22. a winding frame; 23. cutting the fixed rod; 24. slitting the rods; 25. a slitting knife; 26. cutting grooves; 27. winding the finished product into a rod; 28. a scrap recovery pipe; 29. a vortex air pump; 30. a crusher; 31. an air duct; 32. a purifying fan; 33. an air purifier; 34. an air outlet; 35. a bell mouth; 36. an insect-proof cover; 37. a telescopic bracket; 38. a screen; 39. a telescopic rod; 40. a universal wheel; 41. a film roller; 42. a heating coil; 43. an end cap; 44. insulating cloth; 45. a tool rest is arranged; 46. a cutter groove; 47. a blade; a first compound mechanism; 49. a slitting mechanism; 50. a fixed seat; 51. a cutter bar; 52. a vertical motor; 53. a transverse motor; 54. a vertical output shaft; 55. a transverse output shaft; 56. a cutter head; 57. a feeding bin; 58. a crushing bin; 59. and a discharging bin.

Detailed Description

The following will further describe a production process and a production device of a film for a dental scarf made of a composite material according to the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 10, a film production apparatus for a dental scarf using composite material of the present embodiment includes a frame 1, a blow molding machine 2, a stirrer 3, a heating and laminating mechanism 4, a winding mechanism 5, and a cleaning mechanism 6; the automatic stirring device is characterized in that the stirring machine 3 is connected with a weighing device 7 through a pipeline, the weighing device 7 is connected with a spiral feeding device 8 through a pipeline, and a heating device 9 is installed on the spiral feeding device 8; the spiral feeding device 8 is connected with the blow molding machine 2 through a pipeline, and the blow molding machine 2 is connected with a fan 10 through a pipeline; the blow molding machine 2 is positioned at the bottom of the frame 1; a fixed frame 11 is installed on the rack 1, a guide mechanism 12 is installed on the fixed frame 11, and a first compounding mechanism 48 and a corona processor 14 are also installed on the fixed frame 11; two rollers 13 are arranged on the first compound mechanism 48; the rack 1 is also provided with a plurality of guide rollers 15; a limiting guide roller frame 16 is also arranged on the guide mechanism 12, and a plurality of limiting guide rollers 17 are arranged on the limiting guide roller frame 16; the heating and compounding mechanism 4 comprises a bottom frame 18, a compounding film roller 19 and a film roller 41 are arranged on the bottom frame 18, a grid film is wound on the compounding film roller 19, and a film is wound on the film roller 41; the composite roller 20 is further installed on the underframe 18, a heating coil 42 is installed in the composite roller 20, an end cover 43 is installed on the composite roller 20 through a bolt, and the heating coil 42 is fixedly installed in the composite roller 20 through the end cover 43; insulating cloth 44 is filled between the heating coil 42 and the composite roller 20; the heating coil 42 in the composite roller 20 is connected with a power supply 21 through a wire; a winding mechanism 5 is arranged beside the heating and compounding mechanism 4; the winding mechanism 5 comprises a winding frame 22, and a plurality of rollers 13 and guide rollers 15 are mounted on the winding frame 22; a slitting fixing rod 23 and a slitting rod 24 are further mounted on the winding frame 22, and a plurality of slitting knives 25 are mounted on the slitting fixing rod 23; a plurality of uniformly distributed dividing and cutting grooves 26 are formed in the dividing and cutting rod 24, and the dividing and cutting knife 25 is positioned in the dividing and cutting grooves 26; a finished product winding rod 27 is further mounted on the winding frame 22; the winding mechanism 5 is also provided with an edge material recovery pipe 28, the edge material recovery pipe 28 is provided with a crusher 30, the crusher is provided with a vortex air pump 29, and the crusher 30 is connected with the spiral feeding device 8 through a pipeline; a vortex air pump 29 is also arranged on the spiral feeding device 8; the crusher 30 comprises a feeding bin 57, a crushing bin 58 and a discharging bin 59; a cutter matching frame 45 is installed in the crusher 30, a cutter groove 46 and a fixed seat 50 are installed on the cutter matching frame 45, a cutter bar 51 is movably installed on the fixed seat 50, and a plurality of blades 47 matched with the cutter groove 46 are installed on the cutter bar 51; the crusher 30 is also provided with a vertical motor 52 and a transverse motor 53, the vertical motor 52 is provided with a vertical output shaft 54, and the vertical output shaft 54 is in transmission connection with the cutter bar 51 through a gear; a transverse output shaft 55 is mounted on the transverse motor 53, a cutter disc 56 perpendicular to the cutter groove 46 is mounted on the transverse output shaft 55, and a plurality of blades 47 are also mounted on the cutter disc 56; a weighing device 7 is also arranged in the crusher; the purification mechanism 6 comprises an air duct 31, a purification fan 32 and an air purifier 33, wherein the purification fan 32 is connected with the air purifier 33 through the air duct 31, and an air outlet 34 is formed in the air purifier 33; the air duct 31 is provided with a bell mouth 35, and the bell mouth 35 is positioned at the top of the frame 1; insect-proof covers 36 are further arranged on the outer sides of the heating and compounding mechanism 4 and the winding mechanism 5, and each insect-proof cover 36 comprises a telescopic support 37 and a gauze 38 arranged on the telescopic support 37; a plurality of telescopic rods 39 are arranged on the telescopic bracket 37, and the adjacent telescopic rods 39 are movably connected through pins; the bottom of the telescopic bracket 37 is provided with a universal wheel 40.

The mixed raw material proportion is as follows:

in the first embodiment, the formulation proportion of the film layer is LL DPE1 parts, L DPE0.3 parts, HDPE0.5 parts, calcium carbonate 1 part and polyisobutylene 0.3 part;

in the second embodiment, the formulation proportion of the film layer is LL DPE2 parts, L DPE0.6 parts, HDPE1.3 parts, calcium carbonate 2 parts and polyisobutylene 0.6 part;

in the third embodiment, the formulation proportion of the film layer is LL DPE3 parts, L DPE1 parts, HDPE2 parts, 3 parts of calcium carbonate and 1 part of polyisobutylene;

the working process of the invention is as follows:

firstly, the insect-proof cover 36 is opened, the telescopic bracket 37 is pushed to drive the telescopic rod 39 to move by taking the pin as a base point, so that the gauze 38 arranged on the telescopic bracket 37 is opened, the peripheries of the composite mechanism 4 and the winding mechanism 5 are surrounded by the gauze 38, and the phenomenon that insects fly to a film and are adhered to the film in the winding process to cause the film to be unusable is avoided;

secondly, the purification fan 32 and the air purifier 33 are opened, odor generated during film blowing and gas polluting the environment are absorbed into the air purifier 33 through the purification fan 32, and are purified and discharged through the air purifier 33, so that the environment-friendly construction is facilitated;

firstly, stirring and mixing, namely firstly introducing raw materials into a stirrer 3 according to a proportion, uniformly stirring the raw materials by the stirrer 3 and then flowing the raw materials into a weighing device 7 through a pipeline;

secondly, weighing and feeding, namely weighing the raw materials by using a weighing device 7, flowing the mixed raw materials into a spiral feeding device 8 through a pipeline after weighing, carrying out spiral feeding by using the spiral feeding device 8, heating the raw materials by using a heating device simultaneously to melt and mix the raw materials, and mixing the raw materials more uniformly along with the spiral feeding;

thirdly, blow molding, wherein the melted and mixed raw materials flow into a blow molding machine 2 through a pipeline, meanwhile, a fan 10 is started, air is supplied to the blow molding machine 2 through the fan 10, and the melted and mixed raw materials are blown into a cylindrical film through the blow molding machine 2; meanwhile, the film moves upwards along the guide frame 12 and the limiting guide roller 15 on the guide frame 12, the cylindrical film is pressed into a flat sheet shape by the roller 13 on the fixed frame 11 and then is conveyed downwards, and then the surface treatment is carried out on the film by the corona treatment machine 14; after the surface treatment, the mixture is transmitted to the compound mechanism 4 through a plurality of guide rollers 15;

fourthly, multilayer compounding is carried out, a membrane passes through a position between two compounding rollers 20 on a compounding mechanism 4, a grid film wound on a compounding film roller 19 and one end of a film wound on a film roller also pass through a position between the two compounding rollers 20, and a heating coil in the compounding rollers 20 is heated by a heater 21, so that the compounding rollers 20 are heated, the two compounding rollers 20 are compounded through hot melting when the film, the grid film and the film are pressed, and the compounded film is transmitted to a winding mechanism 5; a layer of grid film and a layer of film are compounded on the film, so that the grid film is positioned between the two layers of films, the toughness and the tear resistance of the films are improved, and the films are prevented from being easily torn;

fifthly, recycling the leftover materials, conveying the film to a slitting rod 24 through a roller 13 and a guide roller 15 on a winding mechanism 5, slitting the film to the required film width through a slitting knife 25 on a slitting fixing rod 23, and cutting off the leftover materials on two sides of the film;

sixthly, cutting and winding, wherein the cut film is transmitted to a finished product winding rod 27 through a guide roller 15; the cut leftover materials fall into a leftover material recycling pipe 28, the leftover materials are sucked into a crusher 30 through a recycling pipeline through a vortex air pump 29, the broken leftover materials are conveyed into a spiral feeding device 8 through a pipeline after being crushed through the crusher 30, and the broken leftover materials and the raw materials are heated and melted together to form a film.

The invention has the beneficial effects that: through the arrangement of the stirrer 3, the raw materials are stirred and mixed to be uniformly mixed; by arranging the spiral feeding device 8 and adding the heating device 9 on the spiral feeding device 8, the spiral feeding device 8 is heated by the heating device 9, raw materials are melted and mixed together by hot melting the raw materials in the spiral feeding process, the melted raw materials are mixed more uniformly by the spiral, and films blown out by the blow molding machine 2 are more uniform; through the arrangement of the guide frame 12 and the arrangement of the limiting guide roller frame 16 on the guide frame 12, the blown film can move upwards according to a limited position through the guide frame 12 and the limiting guide roller frame 16, so that the blown cylindrical film can correspond to the roller 13 on the fixed frame 11, and the phenomenon that the cylindrical film cannot be normally flattened through the roller 13 due to the position deviation of the film is prevented; the flattened film is subjected to corona treatment through the arrangement of a corona treatment machine 14, and the surface of the film is treated; through the arrangement of the composite mechanism 4, a layer of grid film layer 103 and the originally manufactured film are added on the film, so that the grid film layer 103 is positioned between two film layers 102 and fixed together through hot melting, the toughness and the tear resistance of the film are improved, the film is prevented from being damaged accidentally, and the service life of the film is prolonged; the composite roller 20 is heated by arranging the heating coil 42 in the composite roller 20, the composite roller 20 is not directly heated by electricity, and the problems of oxidation, color change and the like of the composite roller 20 under the condition of long-term electric heating are prevented, so that the quality of a thin film is influenced; through the arrangement of the slitting knife 25 and the slitting rod 24 and the arrangement of the plurality of slitting grooves 26 on the slitting rod 24, the slitting knife 25 is positioned in the slitting grooves 26, the size of the slit film can be controlled through the slitting grooves 26, and the sizes of the slit films are uniform; the broken leftover materials are sucked into the crusher 30 through the leftover material recycling pipe 28 through the vortex air pump 29 by arranging the leftover material recycling pipe 28 and the crusher 30, the broken leftover materials are cut and broken through the blades 47 on the cutter bar 51 and the blades 47 on the cutter disc 56 in the crusher 30 and are in a vertical state between the two, the broken size of the leftover materials is ensured, the broken leftover materials are weighed through the weighing device 7 after being cut into pieces through the blades 47, the specific gravity of the crushed materials and the raw materials is ensured, then the crushed materials are sucked into the spiral feeding device through the vortex air pump 29 on the spiral feeding device and are heated, melted and blown together with the raw materials, the leftover materials are not required to be collected manually, the unified heating and melting are carried out, the time and the labor force are saved, and the leftover materials cannot be disorderly fallen on the ground after being cut and cannot be polluted, the raw materials are ensured not to be polluted, and the quality of the blown film can be guaranteed; through the design of the insect-proof cover 36, the film is ensured to fly to the film in the compounding and rolling processes so as to be bonded on the film, so that the film cannot be used; the telescopic rod 39 and the universal wheel 40 are arranged on the dust cover 36, and the telescopic rod 39 are movably connected through the pin, so that the dust cover 36 can be folded when not used, the insect-proof cover can be conveniently folded or unfolded through the universal wheel 40, labor is saved, and the occupied space is small when not used; through the design of purifying mechanism 6, the polluted gas such as foul smell that produces when producing the blowing with the film through purifying fan 32 inhales air purifier 33 through air duct 31, purifies the back through air outlet 34 through air purifier 33 and discharges, is favorable to the environmental protection construction, avoids polluting the nature.

The scope of protection of the invention is not limited to the above embodiments and variations thereof. The present invention is not limited to the above embodiments, but may be modified in various ways.

Claims (8)

1. A production process of a film for a dental scarf made of composite materials is characterized by comprising the following specific steps:

firstly, stirring and mixing, and starting a purification mechanism (6); then pouring the raw materials into a stirrer (3), uniformly stirring the raw materials by the stirrer (3) and then flowing into a weighing device (7) through a pipeline;

secondly, weighing and feeding, namely weighing the raw materials by using a weighing device (7), flowing the mixed raw materials into a spiral feeding device (8) through a pipeline after weighing, heating and melting the mixed raw materials by using the spiral feeding device (8), and carrying out spiral feeding;

thirdly, blow molding, namely feeding the melted and mixed raw materials into a blow molding machine (2) through a spiral feeding device (8), starting a fan (10), and blow molding the melted and mixed raw materials through the fan (10) and the blow molding machine (2); meanwhile, the film moves upwards along the guide mechanism (12), the cylindrical film is extruded and compounded into a film through the first compounding mechanism (48), and the surface of the film is treated through the corona treatment machine (14); after the surface treatment, the mixture is transmitted to a heating and compounding mechanism (4);

fourthly, multilayer compounding, namely compounding the film and the grid film into a composite film through hot melting by a heating compounding mechanism (4), and conveying the composite film to a winding mechanism (5) after compounding;

fifthly, recycling the leftover materials, cutting the thin film to the required width through a cutting mechanism (49) on a winding mechanism (5), and cutting off the leftover materials on two sides of the thin film; the leftover materials are recycled and reused by an leftover material recycling mechanism;

and sixthly, cutting and winding, wherein the cut film is wound on a finished product winding rod (27) through a winding mechanism (5).

2. The production process of the film for the dental scarf with the composite material, according to claim 1, is characterized in that the composite film (101) comprises a film layer (102) and a grid film layer (103), the grid film layer (103) is positioned between the two film layers (102), the film layer (102) is made of LL DPE, L DPE, HDPE, calcium carbonate and polyisobutylene, the grid film layer (102) is made of PE, and the formula ratios of the film layers are LL DPE1-3 parts, L DPE0.3-1 part, HDPE0.5-2 parts, calcium carbonate 1-3 parts and polyisobutylene 0.3-1 part.

3. A film production device for a dental scarf made of composite materials comprises a rack (1), a blow molding machine (2), a stirrer (3), a heating and compounding mechanism (4), a winding mechanism (5) and a purifying mechanism (6); the automatic stirring machine is characterized in that the stirring machine (3) is connected with a weighing device (7) through a pipeline, the weighing device (7) is connected with a spiral feeding device (8) through a pipeline, and a heating device (9) is installed on the spiral feeding device (8); the spiral feeding device (8) is connected with the blow molding machine (2) through a pipeline, and the blow molding machine (2) is connected with a fan (10) through a pipeline; the blow molding machine (2) is arranged at the bottom of the frame (1).

4. A film production apparatus for a dental scarf using composite material according to claim 3, characterized in that: a fixed frame (11) is installed on the rack (1), a guide mechanism (12) is installed on the fixed frame (11), and a first compounding mechanism (48) and a corona processor (14) are further installed on the fixed frame (11); two rollers (13) are arranged on the first compound mechanism (48); the rack (1) is also provided with a plurality of guide rollers (15); and the guide mechanism (12) is also provided with a limiting guide roller frame (16), and the limiting guide roller frame (16) is provided with a plurality of limiting guide rollers (17).

5. A film production apparatus for a dental scarf using composite material according to claim 3, characterized in that: the heating and compounding mechanism (4) comprises a bottom frame (18), a compounding film roller (19) and a film roller (41) are arranged on the bottom frame (18), a grid film is wound on the compounding film roller (19), and a film is wound on the film roller (41); the composite roller is characterized in that a composite roller (20) is further mounted on the underframe (18), a heating coil (42) is mounted in the composite roller (20), an end cover (43) is mounted on the composite roller (20) through a bolt, and the heating coil (42) is fixedly mounted in the composite roller (20) through the end cover (43); insulating cloth (44) is filled between the heating coil (42) and the composite roller (20); a heating coil (42) in the composite roller (20) is connected with a power supply (21) through a wire; and a winding mechanism (5) is arranged beside the heating and compounding mechanism (4).

6. The apparatus for producing a film for a dental scarf using composite material according to claim 5, wherein: the winding mechanism (5) comprises a winding frame (22), and a plurality of rollers (13) and guide rollers (15) are mounted on the winding frame (22); a slitting fixing rod (23) and a slitting rod (24) are further mounted on the winding frame (22), and a plurality of slitting cutters (25) are mounted on the slitting fixing rod (23); a plurality of evenly distributed dividing and cutting grooves (26) are formed in the dividing and cutting rod (24), and the dividing and cutting knife (25) is positioned in the dividing and cutting grooves (26); and a finished product coiling rod (27) is also arranged on the coiling frame (22).

7. A film production apparatus for a dental scarf using composite material according to claim 3, characterized in that: the winding mechanism (5) is further provided with an edge material recovery pipe (28), the edge material recovery pipe (28) is provided with a crusher (30), the crusher is provided with a vortex air pump (29), and the crusher (30) is connected with the spiral feeding device (8) through a pipeline; a vortex air pump (29) is also arranged on the spiral feeding device (8); the crusher (30) comprises a feeding bin (57), a crushing bin (58) and a discharging bin (59); a cutter matching frame (45) is installed in the crusher (30), a cutter groove (46) and a fixed seat (50) are installed on the cutter matching frame (45), a cutter bar (51) is movably installed on the fixed seat (50), and a plurality of blades (47) matched with the cutter groove (46) are installed on the cutter bar (51); the crusher (30) is also provided with a vertical motor (52) and a transverse motor (53), the vertical motor (52) is provided with a vertical output shaft (54), and the vertical output shaft (54) is in transmission connection with the cutter bar (51) through a gear; a transverse output shaft (55) is mounted on the transverse motor (53), a cutter disc (56) perpendicular to the cutter groove (46) is mounted on the transverse output shaft (55), and a plurality of blades (47) are also mounted on the cutter disc (56); a weighing device (7) is also arranged in the crusher; the purification mechanism (6) comprises an air duct (31), a purification fan (32) and an air purifier (33), the purification fan (32) is connected with the air purifier (33) through the air duct (31), and an air outlet (34) is formed in the air purifier (33); be equipped with horn mouth (35) on ventilation flue (31), horn mouth (35) are in frame (1) top.

8. A film production apparatus for a dental scarf using composite material according to claim 3, characterized in that: insect-proof covers (36) are further arranged on the outer sides of the heating composite mechanism (4) and the winding mechanism (5), and each insect-proof cover (36) comprises a telescopic support (37) and a gauze (38) installed on the telescopic support (37); a plurality of telescopic rods (39) are mounted on the telescopic bracket (37), and the adjacent telescopic rods (39) are movably connected through pins; the bottom of the telescopic bracket (37) is provided with a universal wheel (40).

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