CN210820994U - Casting film coating machine for producing aluminum plastic film - Google Patents
Casting film coating machine for producing aluminum plastic film Download PDFInfo
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- CN210820994U CN210820994U CN201921347219.3U CN201921347219U CN210820994U CN 210820994 U CN210820994 U CN 210820994U CN 201921347219 U CN201921347219 U CN 201921347219U CN 210820994 U CN210820994 U CN 210820994U
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Abstract
The utility model discloses a casting laminating machine for producing aluminum plastic films, which comprises a frame, wherein a three-roller film coating mechanism, a preheating mechanism, an unreeling mechanism, a cooling mechanism, a traction mechanism and a reeling mechanism are arranged on the frame, and a multi-layer co-extrusion casting machine is independently arranged on one side of the frame; the multilayer co-extrusion casting machine comprises a plurality of single-screw extruders, a distributor connected with the single-screw extruders and a casting die connected with the distributor, and is used for co-extruding to form a multilayer film; the three-roller film coating mechanism comprises a first cooling roller for film casting molding, a rubber roller for compounding a film by matching with the first cooling roller and a second cooling roller for cooling and shaping the film after the film casting molding again; the tape-casting film laminating machine carries out thermal compounding on an aluminum foil base material and a multilayer film co-extruded by a multilayer co-extrusion tape-casting machine to form an aluminum-plastic film.
Description
Technical Field
The utility model relates to a curtain coating membrane plastics technical field, more specifically say, it relates to a curtain coating laminating machine for producing plastic-aluminum membrane.
Background
The cast film is a non-stretching and non-oriented flat extruded film produced by melt casting quenching, and is divided into single-layer casting and multilayer coextrusion casting. With the continuous improvement of the requirements of food and medicine shelves, the barrier property of the packaging material is continuously improved, the packaging material with a multilayer structure is produced, and the barrier property of the multilayer packaging material can be continuously improved through the optimized combination of different materials between layers.
The aluminum-plastic film is formed by thermally compounding an aluminum foil base material and one or more layers of polar or nonpolar polymers subjected to single-layer casting or co-extrusion casting by a casting machine and then cooling. The aluminum plastic film has the characteristics of good flexibility, moisture resistance, oxygen isolation, shading, shielding, static resistance, vacuumizing, color printing and the like, so the aluminum plastic film has wide application in vacuum packaging of electromechanical products, glass packaging, large-scale equipment and precise instruments, is used for preventing products from being oxidized and rusted, and can be made into flat bags and three-dimensional bags; in addition, when the packaging material is applied to the packaging of fine chemical engineering, engineering plastics, medical dye intermediates and adsorbents, the moisture absorption, agglomeration, oxidation and deterioration of products can be effectively prevented, and the storage and transportation time is prolonged; with the continuous research and development of aluminum plastic films, the functions and application range of the aluminum plastic films are continuously extended. The aluminum-plastic film has a 6-layer structure, and the specific structure is shown in fig. 3, namely a PP layer, an adhesive layer, an aluminum foil, an adhesive layer and a PA layer are sequentially arranged from inside to outside. In the process of preparing the aluminum-plastic film, firstly, 1-2 layers of PA are compounded on the outer side surface of the aluminum foil through glue to form a primary composite film of the aluminum-plastic film, and then, 1-2 layers of PP are compounded on the inner side surface of the aluminum foil through glue to form the aluminum-plastic film.
SUMMERY OF THE UTILITY MODEL
The utility model provides a curtain coating laminating machine for producing plastic-aluminum membrane.
In order to achieve the above purpose, the utility model provides a following technical scheme: a casting laminating machine for producing an aluminum plastic film comprises a rack, wherein a three-roller film coating mechanism, a preheating mechanism, an unreeling mechanism, a cooling mechanism, a traction mechanism and a reeling mechanism are arranged on the rack, and a multi-layer co-extrusion casting machine is independently arranged on one side of the rack; the multi-layer co-extrusion casting machine for forming the multi-layer film by co-extrusion comprises a plurality of single screw extruders, a distributor connected with the single screw extruders and a casting die connected with the distributor, wherein the conveying direction of a traction mechanism is taken as the front-back direction;
the three-roller film coating mechanism comprises a first cooling roller for film casting forming, a rubber roller for compounding a film by matching with the first cooling roller and a second cooling roller for cooling and shaping the film after casting forming again, bearing seats are arranged at two ends of the first cooling roller, the second cooling roller and the rubber roller, the bearing seats at two ends of the first cooling roller are fixedly arranged on the frame, the rubber roller is arranged in front of the first cooling roller, the second cooling roller is arranged behind the first cooling roller, the casting die is arranged between the first cooling roller and the rubber roller and above the first cooling roller and the rubber roller, the bearing seats at two ends of the second cooling roller are horizontally and slidably connected with the frame and driven by a first hydraulic cylinder to be close to or far away from the first cooling roller, and the bearing seats at two ends of the rubber roller are horizontally and slidably connected with the frame and driven by a second hydraulic cylinder to be close to or far away from the first cooling roller;
the unwinding mechanism for unwinding the substrate comprises a first lower unwinding roller arranged in front of the rubber roller;
the preheating mechanism for heating the base material comprises a plurality of preheating rollers which are sequentially arranged on the rack along the front-back direction, and the plurality of preheating rollers are arranged between the first lower unwinding roller and the rubber roller;
the cooling mechanism for naturally cooling the film comprises a plurality of natural cooling rollers arranged on the rack, and the natural cooling rollers are arranged between the second cooling roller and the traction mechanism;
the first cooling roller, the second cooling roller, the rubber roller, the first lower unwinding roller, the preheating roller, the natural cooling roller, the traction roller and the winding roller are driving rollers driven by a servo motor;
the base material unwound by the first lower unwinding roller is wound by the plurality of preheating rollers and then enters a position between the first cooling roller and the rubber roller from the upper part, the multilayer films extruded by the plurality of single-screw extruders through the distributor and the casting die are compounded on one surface of the base material close to the first cooling roller, and the base material after film compounding is wound by the first cooling roller, the second cooling roller and the plurality of natural cooling rollers in sequence, then is drawn by the drawing mechanism and is wound into a coil material by the winding mechanism.
Preferably, the first cooling roll, the second cooling roll and the natural cooling roll are mirror surface rolls.
Preferably, the bearing seat of the second cooling roller and the bearing seat of the rubber roller are both in sliding connection with a guide rail arranged on the frame, the guide rail is a sliding groove, and the bearing seat of the second cooling roller and the bearing seat of the rubber roller are both embedded in the sliding groove and can horizontally move in the sliding groove.
Preferably, the bearing seats at the two ends of the first cooling roller are respectively provided with a limiting block at one side close to the second cooling roller, and when the second cooling roller is driven by the first hydraulic cylinder to be close to the first cooling roller, the limiting blocks are abutted against the bearing seats on the second cooling roller, so that the roller surface of the first cooling roller is kept at a distance from the roller surface of the second cooling roller.
Preferably, an infrared preheating device is further arranged above the rubber roller, and the infrared preheating device is connected with the rack in a vertical sliding mode and is controlled to ascend and descend through an air cylinder.
Preferably, two longitudinal cutters for cutting off the edge materials of the casting film are further arranged between the natural cooling roller and the drawing roller, and the two longitudinal cutters are fixedly arranged on the machine frame above the film.
Preferably, the traction mechanism for drawing the film comprises a traction roller and a traction compression roller which are arranged on the rack, the traction compression roller is connected with the rack in a vertical sliding mode and is driven by an air cylinder to press the traction roller tightly, and the traction roller and the traction compression roller are arranged between the natural cooling roller and the winding mechanism.
Preferably, the winding mechanism for winding the film into a roll includes a winding roller and a plurality of second guide rollers.
To sum up, the utility model discloses following beneficial effect has: according to the tape-casting film laminating machine, the aluminum foil substrate and the multilayer film co-extruded by the tape-casting machine are subjected to thermal compounding to form the aluminum plastic film, and the first cooling roller, the second cooling roller, the rubber roller, the first lower unwinding roller, the preheating roller, the natural cooling roller, the traction roller and the winding roller are driving rollers driven by the servo motor, so that the whole linear range of the roller surface is consistent, and the flatness of the film surface is ensured.
Drawings
FIG. 1 is a schematic structural view of a casting film coating machine of the present invention;
FIG. 2 is a top view of the casting and laminating machine of the present invention;
fig. 3 is a schematic view of a layered structure of an aluminum plastic film.
Reference numerals: 1. a frame; 2. a traction mechanism; 3. a winding mechanism; 4. a single screw extruder; 5. a dispenser; 6. casting a mold; 7. a first cooling roll; 8. a rubber roller; 9. a second cooling roll; 10. a guide rail; 11. a first hydraulic cylinder; 12. a second hydraulic cylinder; 14. a first lower unreeling machine; 16. a first preheating roll; 17. a second preheating roll; 18. a third preheating roll; 19. a drive wheel; 20. an inner expanding wheel A; 21. an inner expanding wheel B; 22. an adjustment wheel; 23. an infrared preheating device; 24. a first natural cooling roll; 25. a second natural cooling roll; 26. a first guide roller; 27. a slitting knife; 28. a static eliminator; 29. a mold temperature controller; 30. a PP layer; 31. a glue layer; 32. aluminum foil; 33. a glue layer; 34. and a PA layer.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
The embodiment discloses a multifunctional casting film laminating machine, which comprises a rack 1, wherein a three-roller film laminating mechanism, a preheating mechanism, an unreeling mechanism, a cooling mechanism, a traction mechanism 2 and a reeling mechanism 3 are arranged on the rack 1, and a multi-layer co-extrusion casting machine is independently arranged on one side of the rack 1; the conveying direction of the traction mechanism 2 is taken as the front-back direction, the unreeling mechanism is taken as the front, and the reeling mechanism is taken as the back.
The multilayer co-extrusion casting machine for forming the multilayer film by co-extrusion comprises a plurality of single-screw extruders 4, a distributor 5 connected with the single-screw extruders 4 and a casting die 6 connected with the distributor 5; the single screw extruder 4 is used for melting solid granular raw materials into a colloidal state and supplying the molten raw materials to the distributor 5, and a plurality of different single screw extruders 4 can feed different materials respectively, thereby realizing simultaneous feeding of a plurality of materials. The specific mechanism of dispenser 5 is described in patent publication No. CN102126282A and the specific structure of the die is described in patent application publication No. CN 102223995A. the co-extruded fluid layers of the die comprise one or more molten thermoplastic polymers that are converted to film layers and that are stacked, combined together and ejected from the die, i.e., co-extruded to form a molten multilayer film that is exposed to air upon emerging from the die and enters the gap between the first chill roll and the glue roll.
The three-roller film coating mechanism comprises a first cooling roller 7 for film casting forming, a rubber roller 8 for compounding a film by matching with the first cooling roller 7 and a second cooling roller 9 for cooling and shaping the film after the film casting forming again, bearing seats are arranged at two ends of the first cooling roller 7, the second cooling roller 9 and the rubber roller 8, the bearing seats at two ends of the first cooling roller 7 are fixedly arranged on the frame 1, the rubber roller 8 is arranged in front of the first cooling roller 7, the second cooling roller 9 is arranged behind the first cooling roller 7, the casting mold 6 is arranged between the first cooling roller 7 and the rubber roller 8 and positioned above the first cooling roller 7 and the rubber roller 8, the bearing seats at two ends of the second cooling roller 9 are horizontally and slidably connected with the frame 1 and driven by a first hydraulic cylinder 11 to be close to or far away from the first cooling roller 7, the bearing seats at two ends of the rubber roller 8 are slidably connected with a guide rail arranged on the frame 1 and driven by a second hydraulic cylinder 12 to be close to or far away from the first cooling roller 7, the guide rail 10 is a sliding chute, and the bearing seat of the second cooling roller 9 and the bearing seat of the rubber roller 8 are embedded in the sliding chute and can horizontally move in the sliding chute; the rack 1 is provided with a guide rail 10 for the horizontal movement of the bearing seat, the guide rail 10 is a sliding chute, and the bearing seat of the second cooling roller 9 and the bearing seat of the rubber roller 8 are both embedded in the sliding chute and can move horizontally in the sliding chute. The first cooling roller 7 and the second cooling roller 9 are mirror surface rollers. The first cooling roller 7, the second cooling roller 9 and the rubber roller 8 are respectively connected with respective mold temperature controllers to realize respective independent temperature control. Therefore, the cooling and forming quality of the film can be well controlled, and the production quality and efficiency are improved.
The first hydraulic cylinder 11 drives the second cooling roller 9 to approach or keep away from the first cooling roller 7, the second hydraulic cylinder 12 drives the rubber roller 8 to approach or keep away from the first cooling roller 7, and the first hydraulic cylinder 11 and the second hydraulic cylinder 12 are both fixed on the frame 1. When the film is produced, the second hydraulic cylinder 12 drives the rubber roller 8 to move towards the first cooling roller 7, the rubber roller 8 is attached to the roller surface of the first cooling roller 7, the rubber roller 8 and the first cooling roller 7 are a pair of rollers rotating in opposite directions, the film is extruded and formed by the attached rubber roller 8 and the first cooling roller 7, and meanwhile, the film is pulled to leave the die; the formed film enters the space between the first cooling roller 7 and the second cooling roller 9 for cooling and shaping again, the first cooling roller 7 and the second cooling roller 9 are also a pair of rollers rotating in opposite directions, and the film can be pulled to drive the film to move towards the cooling mechanism.
The second hydraulic cylinder 12 can drive the rubber roller 8 to contact with the first cooling roller 7 and abut against the first cooling roller 7, the first hydraulic cylinder 11 can drive the second cooling roller 9 to be close to or far away from the first cooling roller 7, but the second cooling roller 9 is not in contact with the first cooling roller 7, the side, close to the second cooling roller 9, of the bearing blocks at the two ends of the first cooling roller 7 is respectively provided with a limiting block, and when the second cooling roller 9 is driven by the first hydraulic cylinder 11 to be close to the first cooling roller 7, the limiting blocks abut against the bearing blocks on the second cooling roller 9 to enable the roller surface of the first cooling roller 7 to keep a distance with the roller surface of the second cooling roller 9. Like this, first pneumatic cylinder 11 gives the trend that second chill roll 9 is close to first chill roll 7, and the stopper has restricted the shortest distance of first chill roll 7 with second chill roll 9, and the spatial distance between first chill roll 7 and the second chill roll 9 needs to keep moderate, and when first chill roll 7 and the great distance of second chill roll 9, can form natural cooling, the film takes place the quench, makes the film surface can take place great deformation, and then influences the quality of product.
The unwinding mechanism for unwinding the substrate comprises a first lower unwinding roller 14 arranged in front of the rubber roller 8.
The preheating mechanism for heating the substrate comprises a plurality of preheating rollers which are sequentially arranged on the rack 1 along the front-back direction, the plurality of preheating rollers are arranged between the first lower unwinding roller 14 and the rubber roller 8, the preheating mechanism specifically comprises a first preheating roller 16, a second preheating roller 17 and a third preheating roller 18 which are sequentially arranged on the rack 1 along the front-back direction, the height of the second preheating roller 17 in the vertical direction is greater than that of the first preheating roller 16 and the third preheating roller 18, and the first preheating roller 16 and the third preheating roller 18 are symmetrically arranged on the front side and the back side of the second preheating roller 17. The rack 1 is also provided with a driving wheel 19 for driving the first preheating roller 16, the second preheating roller 17 and the third preheating roller 18 to rotate.
The same sides of the first preheating roller 16, the second preheating roller 17, the third preheating roller 18 and the driving wheel 19 are all provided with chain wheels, are connected through a transmission chain and are driven by the same servo motor. In order to increase the rigor of the process and the high performance advantage of the equipment, in the embodiment of the present invention, the inner ring of the preferable chain is further engaged with the inner tension wheel a20 and the inner tension wheel B21, the outer ring of the chain is engaged with the adjusting wheel 22, and the adjusting wheel 22 is used for tensioning or loosening the chain in real time.
The maximum temperature of the first preheating roller 16, the second preheating roller 17 and the third preheating roller 18 can reach 180 ℃, an infrared preheating device 23 is further arranged above the side of the rubber roller 8, and the infrared preheating device 23 is connected with the rack 1 in a vertical sliding mode and is controlled to ascend and descend through an air cylinder. The maximum temperature of the infrared preheating device 23 can reach 200 ℃ and is used for further heating the aluminum foil substrate.
One side of the three-roller film coating machine is provided with a plurality of die temperature machines 29, and the first cooling roller 7, the second cooling roller 9 and the rubber roller 8 are respectively connected with the respective die temperature machines to realize respective independent temperature control. The specific structure of the mold temperature controller refers to the patent document with the publication number of CN208392579U, so that the film cooling forming quality can be well controlled, and the production quality and efficiency can be improved.
A cooling body for carrying out natural cooling to film is including setting up a plurality of natural cooling rollers in frame 1, a plurality of natural cooling rollers are mirror surface roller, a plurality of natural cooling rollers set up between second chill roll (9) and drive mechanism 2, specifically include first natural cooling roller 24 and second natural cooling roller 25, the curtain coating film carries out natural cooling on first natural cooling roller 24 and second natural cooling roller 25, a plurality of natural cooling rollers pass through chain drive and connect and by same servo motor drive. Cooling body's rear is provided with a plurality of first deflector rolls 26, in process of production, the casting film can inevitable emergence necking down after the cooling, and then cause uneven and the thickness in both sides, need cut edge, but behind the batching tube-shape, be not convenient for fix during the cutting, and the cutting is unstable and lead to product quality poor, deckle edge is many, consequently, still be equipped with two vertical cutters 27 that are used for tailorring the casting film rim charge between natural cooling roller and the carry over pinch rolls, two vertical cutters 27 are fixed to be set up in the frame 1 of film top.
In the existing production process of the casting film, in order to ensure that the end face is neat and not staggered, a certain amount of static electricity is increased in the production process, in the production process of the subsequent process, the static electricity on the surface of the casting film can cause the end face of the casting film to be damaged by the static electricity in the unreeling process, the phenomenon of stretching and breaking the film influences the production, and even more, in the air drying condition, the overlarge static electricity can cause fire disasters and cause safety accidents, therefore, a static electricity eliminator 28 for eliminating the static electricity on the surface of the film is further arranged between the natural cooling roller and the traction roller. The specific structure of the static eliminator 28 is disclosed in patent document No. CN208732215U, the static eliminator 28 is used for eliminating static electricity on the surface of the casting film, and reducing adverse effects caused by excessive static electricity in production, and the static eliminating system can continuously generate static eliminating effect in the stretching and unwinding process, thereby ensuring the safe and efficient production of the casting film.
The traction mechanism 2 for drawing the film comprises a traction roller and a traction compression roller which are arranged on the rack 1, the traction compression roller is connected with the rack 1 in a vertical sliding manner and is driven by an air cylinder to press the traction roller tightly, and the traction roller and the traction compression roller are arranged between the natural cooling roller and the winding mechanism 3; the winding mechanism 3 for winding the film into a coil material comprises a winding roller and a plurality of second guide rollers; in addition, the first cooling roller 7, the second cooling roller 9, the rubber roller 8, the first lower unwinding roller 14, the preheating roller, the natural cooling roller, the traction roller and the winding roller are driving rollers driven by servo motors.
The base material unreeled by the first lower unreeling roller 14 is wound by a plurality of preheating rollers and then enters between the first cooling roller 7 and the rubber roller 8 from the upper part, a plurality of single-screw extruders 4 are compounded on one surface of the base material close to the first cooling roller 7 through the distributor 5 and the casting die 6, and the compounded base material is sequentially wound by the first cooling roller 7, the second cooling roller 9 and the plurality of natural cooling rollers, then is drawn by the drawing mechanism and is coiled into an aluminum plastic film coil material by the coiling mechanism 3.
The multilayer film coextruded by the multilayer coextrusion casting machine and the base material released by the unwinding mechanism are combined through the rubber roller 8, the first cooling roller 7 and the second cooling roller 9 to realize thermal compounding, when an aluminum plastic film is prepared, the rubber roller 8 is a hot roller, the temperature can be controlled to be 180 ℃, and the temperature control range of the first cooling roller 7 and the second cooling roller 9 is 20-80 ℃.
Preparing an aluminum-plastic film: the preheating mechanism, the unreeling mechanism, the multilayer co-extrusion casting machine, the three-roller film coating machine, the cooling mechanism, the traction mechanism 2 and the reeling mechanism 3 are started.
Step 1) co-extruding from a die of a multi-layer co-extrusion casting machine to form a multi-layer film, wherein the multi-layer film comprises 1 layer of glue and 1-2 layers of PA, the multi-layer film forms a molten multi-layer film after being exposed out of the die, the molten multi-layer film enters a gap between a first cooling roller 7 and a rubber roller 8, meanwhile, the first lower unreeling machine 14 releases the aluminum foil substrate, the aluminum foil substrate enters the preheating mechanism and is attached to the roll surfaces of the first preheating roll 16, the second preheating roll 17 and the third preheating roll 18 for heating, then enters a three-roller film coating machine and is jointed with the roller surface of the rubber roller 8, an infrared preheating device 23 above the side of the rubber roller 8 further heats the aluminum foil substrate, then enters a gap between the rubber roller 8 and the first cooling roller 7, the heated aluminum foil substrate is attached with the molten multilayer film, wherein the glue layer is positioned between the PA layer and the aluminum foil substrate, and is extruded and thermally compounded by the first cooling roller 7 and the rubber roller 8 to form a primary composite film of the aluminum plastic film;
step 2), defining one side of the primary composite film of the aluminum-plastic film, which is attached with the PA layer, as the outer side of the aluminum-plastic film, releasing the primary composite film of the aluminum-plastic film wound by the winding roll in the step 1) by the first lower unreeling machine 14, enabling the primary composite film of the aluminum-plastic film to enter a preheating mechanism and be attached with the roll surfaces of the first preheating roll 16, the second preheating roll 17 and the third preheating roll 18 for heating, then entering a three-roll film coating machine and be attached with the roll surface of the rubber roll 8, then entering a gap between the rubber roll 8 and the first cooling roll 7, and simultaneously co-extruding a die of a multi-layer co-extrusion casting machine to form a multi-layer film, wherein the multi-layer film comprises 1 layer of glue and 1-2 layers of PP, the multi-layer film enters the gap between the first cooling roll 7 and the rubber roll 8 after being exposed out of the die, the multi-layer film and the primary composite film of the aluminum-plastic film are subjected to hot-pressing compounding by the three-roll And naturally cooling the aluminum plastic film by a cooling mechanism, drawing by a drawing roll, and finally winding the aluminum plastic film into an aluminum plastic film coil by a winding roll.
The directions given in the present embodiment are merely for convenience of describing positional relationships between the respective members and the relationship of fitting with each other. It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A casting film laminating machine for producing an aluminum plastic film comprises a rack (1), wherein a three-roller film laminating mechanism, a preheating mechanism, an unreeling mechanism, a cooling mechanism, a traction mechanism (2) and a reeling mechanism (3) are arranged on the rack (1), and a multi-layer co-extrusion casting machine is independently arranged on one side of the rack (1); the conveying direction of the traction mechanism (2) is taken as the front-back direction, and the device is characterized in that:
the multilayer co-extrusion casting machine for forming the multilayer film by co-extrusion comprises a plurality of single-screw extruders (4), a distributor (5) connected with the single-screw extruders (4), and a casting die (6) connected with the distributor (5);
the three-roller film coating mechanism comprises a first cooling roller (7) for film casting, a rubber roller (8) for compounding a film by matching with the first cooling roller (7) and a second cooling roller (9) for cooling and shaping the film after casting again, bearing seats are arranged at two ends of the first cooling roller (7), the second cooling roller (9) and the rubber roller (8), the bearing seats at two ends of the first cooling roller (7) are fixedly arranged on the frame (1), the rubber roller (8) is arranged in front of the first cooling roller (7), the second cooling roller (9) is arranged behind the first cooling roller (7), the casting mold (6) is arranged between the first cooling roller (7) and the rubber roller (8) and is positioned above the first cooling roller and the rubber roller, the bearing seats at two ends of the second cooling roller (9) are horizontally connected with the frame (1) in a sliding manner and are driven by a first hydraulic cylinder (11) to be close to or far away from the first cooling roller (7), bearing blocks at two ends of the rubber roll (8) are horizontally and slidably connected with the frame (1) and driven by a second hydraulic cylinder (12) to be close to or far away from the first cooling roll (7);
the unwinding mechanism for unwinding the substrate comprises a first lower unwinding roller (14) arranged in front of the rubber roller (8);
the preheating mechanism for heating the base material comprises a plurality of preheating rollers which are sequentially arranged on the rack (1) along the front-back direction, and the plurality of preheating rollers are arranged between the first lower unwinding roller (14) and the rubber roller (8);
the cooling mechanism for naturally cooling the film comprises a plurality of natural cooling rollers arranged on the rack (1), and the natural cooling rollers are arranged between the second cooling roller (9) and the traction mechanism (2);
wherein the first cooling roller (7), the second cooling roller (9), the rubber roller (8), the first lower unwinding roller (14), the preheating roller, the natural cooling roller, the traction roller and the winding roller are driving rollers driven by a servo motor;
the base material unreeled by the first lower unreeling roller (14) winds through the plurality of preheating rollers and then enters between the first cooling roller (7) and the rubber roller (8) from the upper part, the multilayer films extruded by the plurality of single-screw extruders (4) through the distributor (5) and the casting die (6) are compounded on one surface, close to the first cooling roller (7), of the base material, the base material after film laminating is sequentially wound through the first cooling roller (7), the second cooling roller (9) and the plurality of natural cooling rollers, then is drawn by the drawing mechanism (2) and is reeled into a coil material by the reeling mechanism (3).
2. A cast film laminator according to claim 1 for producing aluminum plastic films, wherein: the first cooling roller (7), the second cooling roller (9) and the natural cooling roller are mirror surface rollers.
3. A cast film laminator according to claim 1 for producing aluminum plastic films, wherein: the bearing frame of second chill roll (9) and the bearing frame of rubber roll (8) all with the guide rail sliding connection that sets up on frame (1), guide rail (10) are the spout, the bearing frame of second chill roll (9) with the bearing frame of rubber roll (8) all inlays in the spout and can be in spout horizontal migration.
4. A cast film laminator according to claim 1 for producing aluminum plastic films, wherein: and the side, close to the second cooling roller (9), of the bearing seats at the two ends of the first cooling roller (7) is respectively provided with a limiting block, and when the second cooling roller (9) is driven by a first hydraulic cylinder (11) to be close to the first cooling roller (7), the limiting blocks are abutted against the bearing seats on the second cooling roller (9) to enable the roller surface of the first cooling roller (7) to keep a distance with the roller surface of the second cooling roller (9).
5. A cast film laminator according to claim 1 for producing aluminum plastic films, wherein: an infrared preheating device (23) is further arranged above the side of the rubber roller (8), and the infrared preheating device (23) is connected with the rack (1) in a sliding mode up and down and is controlled to ascend and descend through an air cylinder.
6. A cast film laminator according to claim 1, wherein two slitting knives (27) are provided between the chill roll and the take-off roll for cutting off the cast film edge trim, the two slitting knives (27) being fixedly arranged on the frame (1) above the film.
7. A cast film laminator according to claim 1 for producing aluminum plastic films, wherein: the traction mechanism (2) for drawing the film comprises a traction roller and a traction compression roller which are arranged on the rack (1), the traction compression roller is connected with the rack (1) in a vertical sliding mode and is driven by an air cylinder to press the traction roller, and the traction roller and the traction compression roller are arranged between the natural cooling roller and the winding mechanism (3).
8. A cast film laminator according to claim 1 for producing aluminum plastic films, wherein: the winding mechanism (3) for winding the film into a coil stock comprises a winding roller and a plurality of second guide rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921347219.3U CN210820994U (en) | 2019-08-19 | 2019-08-19 | Casting film coating machine for producing aluminum plastic film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921347219.3U CN210820994U (en) | 2019-08-19 | 2019-08-19 | Casting film coating machine for producing aluminum plastic film |
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|---|---|
| CN210820994U true CN210820994U (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921347219.3U Active CN210820994U (en) | 2019-08-19 | 2019-08-19 | Casting film coating machine for producing aluminum plastic film |
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| CN113370485A (en) * | 2021-06-30 | 2021-09-10 | 深圳市广麟材耀新能源材料科技有限公司 | Plastic-aluminum membrane production facility |
| CN113459372A (en) * | 2021-06-30 | 2021-10-01 | 深圳市广麟材耀新能源材料科技有限公司 | Aluminum plastic film production process |
| CN117445426A (en) * | 2023-05-16 | 2024-01-26 | 广东宝路盛精密机械有限公司 | Composite preparation method of aluminum plastic film |
| CN117445344A (en) * | 2023-05-16 | 2024-01-26 | 广东宝路盛精密机械有限公司 | Multilayer co-extrusion aluminum-plastic compound machine |
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