CN108790136B - Large-scale inflation film manufacturing machine of three-layer film - Google Patents

Large-scale inflation film manufacturing machine of three-layer film Download PDF

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Publication number
CN108790136B
CN108790136B CN201810732599.6A CN201810732599A CN108790136B CN 108790136 B CN108790136 B CN 108790136B CN 201810732599 A CN201810732599 A CN 201810732599A CN 108790136 B CN108790136 B CN 108790136B
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China
Prior art keywords
film
corona
frame
roller
layer
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CN201810732599.6A
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Chinese (zh)
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CN108790136A (en
Inventor
张元江
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Guangdong Costar Machinery Technology Co ltd
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Guangdong Costar Machinery Technology Co ltd
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Priority to CN201810732599.6A priority Critical patent/CN108790136B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16Cooling
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00After-treatment of articles without altering their shape; Apparatus therefor
    • B29C71/04After-treatment of articles without altering their shape; Apparatus therefor by wave energy or particle radiation, e.g. for curing or vulcanising preformed articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16Cooling
    • B29C2035/1616Cooling using liquids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16Cooling
    • B29C2035/1658Cooling using gas
    • B29C2035/1666Cooling using gas dried air
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00Layered products

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a three-layer film large-scale film blowing machine, which comprises a material mixing melting device, a film blowing die head, a film cooling device, a lower rotating device, a corona device, a deviation correcting device and a winding device which are arranged on a three-layer frame, wherein plastic raw materials enter the material mixing melting device from a raw material feeding port and are extruded from the film blowing die head after being heated and extruded, the film cooling device is responsible for cooling plastic films during the period, the cooled plastic films are rotationally stretched by the lower rotating device to adjust the uniformity and the transparency of the films, the corona device is used for increasing the roughness of the surfaces of the plastic films, and the winding device is used for winding the plastic films after the deviation correcting device is used for correcting.

Description

Large-scale inflation film manufacturing machine of three-layer film
Technical Field
The invention relates to a plastic film blowing machine, in particular to a large-scale film blowing machine for blowing three layers of films.
Background
In the existing film extrusion molding, the film blowing machine is very widely used, plastic raw materials are formed into a plastic film after being flattened by a screw extruder, a die head and a traction roller, but when the PP+PE+PP three-layer plastic film is blown at present, the three plastic films are not easy to attach due to the reasons of materials, and particularly in the existing upward blowing production mode, namely, the film blowing machine is placed on the ground, the film is blown upwards by the film blowing die head, the power is generally smaller, and air cooling is mainly adopted, so that the finally manufactured film PP layer is not stable enough, and the transparency is not high, and cannot meet the requirements.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the large film blowing machine which adopts air cooling and water cooling to cool, has high production efficiency, can produce the PP+PE+PP three-layer film with better uniformity and better light transmittance.
The technical scheme adopted for solving the technical problems is as follows:
The utility model provides a large-scale inflation film manufacturing machine of three-layer film, includes the three-layer frame, compounding melt device is installed on the top layer of three-layer frame, compounding melt device is provided with raw materials feed inlet and compounding discharge gate, the compounding discharge gate is connected with the inflation film die head, the intermediate level of three-layer frame is installed and is located the film cooling device of inflation film die head exit, the bottom of three-layer frame is installed and is located the lower rotary device of film cooling device below, lower rotary device is connected with the power device that drives its deflection, is located lower rotary device's rear end three-layer frame has set gradually corona device, deviation correcting device and coiling mechanism by side, lower rotary device is used for rotatory tensile plastic film, corona device is used for increasing plastic film surface's roughness, the coiling mechanism is used for rolling plastic film, and above-mentioned device all electricity is connected with a central control system.
The three-layer rack comprises upright posts and a baffle plate arranged at the top ends of the upright posts, wherein a fence consisting of fence posts and fence rods is arranged at the top edge of the baffle plate, the fence posts are in horizontal trend and fixedly connected with the fence posts, the bottoms of two adjacent upright posts and baffle plates which are positioned on the same side are connected by a first inclined support post, a second inclined support post, a first inclined rod, a second inclined rod and a connecting rod, the lower end of the first inclined support post is fixedly connected with the middle part of one upright post, the upper end of the first inclined support post is fixedly connected with the middle part of the bottom of the baffle plate, the lower end of the first inclined support post is fixedly connected with the middle part of the first inclined support post, and the upper end of the first inclined support post is fixedly connected with the bottom of the baffle plate and is close to the top of one upright post; the lower end of the second inclined support column is fixedly connected with the middle part of the other upright post, the upper end of the second inclined support column is fixedly connected with the middle part of the bottom of the partition plate, the lower end of the second inclined rod is fixedly connected with the middle part of the second inclined support column, and the upper end of the second inclined support column is fixedly connected with the bottom of the partition plate and is close to the top of the other upright post; and two ends of the connecting rod are fixedly connected with the middle part of the first inclined support column and the middle part of the second inclined support column respectively.
The material mixing and melting device comprises a first screw extruder, a second screw extruder and a third screw extruder, an opening for a film blowing die head to pass through is formed in the middle of the top layer of the three-layer frame, a hanging frame for hanging the film blowing die head is fixedly arranged at the edge of the opening, the outlets of the first screw extruder, the second screw extruder and the third screw extruder are connected with the inlet of the film blowing die head, a plurality of air cooling inlets are further formed in the film blowing die head, an air cooler is further arranged on the top layer of the three-layer frame, and an air cooler is arranged at the air outlet connected with the air cooling inlets.
The top fixedly connected with bearing fixed plate of stores pylon, the upper end fixedly connected with of the blown film die head of stores pylon is located the hook connecting plate under the bearing fixed plate, bearing fixed plate and hook connecting plate are provided with the through-hole that link up, run through in the through-hole and be provided with the screw rod, the top and the bottom of screw rod are threaded connection respectively have top bolt and bottom bolt, the bottom of top bolt with the top of bearing fixed plate is contradicted and is connected, the bottom bolt with the bottom of hook connecting plate is contradicted and is connected.
The film cooling device comprises a constant-temperature water chiller and a cooling ring, wherein the constant-temperature water chiller and the cooling ring are arranged on the middle layer of the three-layer rack, the constant-temperature water chiller is provided with a cold water outlet and a backflow port, the cooling ring is provided with a cold water inlet and a backflow water outlet which are respectively connected with the cold water outlet and the backflow port, the inner side of the cooling ring is provided with an annular water containing groove and an annular barrier strip, the cold water inlet and the backflow water outlet are both positioned above the annular water containing groove, and the top end of the annular barrier strip is arranged in a horizontal plane.
The lower rotating device comprises a lower rotating support frame fixedly mounted at the bottom of the three-layer frame and a lower rotating frame axially hinged to the lower rotating support frame, the lower rotating frame is connected with a rotating motor for driving the lower rotating support frame to rotate, two shrinkage guide plates which are arranged in an inverted-Y shape are mounted at the upper end of the lower rotating frame, a first air floatation roller, a lower rotating transition roller and a second air floatation roller are sequentially mounted at the lower end of the lower rotating frame from top to bottom, the first air floatation roller is connected with a first air blower, the second air floatation roller is connected with a second air blower, the first air floatation roller, the lower rotating transition roller and the second air floatation roller are connected with the lower rotating frame through a gear transmission assembly and can swing, and the swinging angles of the first air floatation roller, the lower rotating transition roller and the second air floatation roller are different.
The corona device comprises a corona rack, and an electric shock box and a transformer which are arranged on the corona rack, wherein an electric shock head electrically connected with the transformer is arranged in the electric shock box, the electric shock box is arranged at the top of the corona rack, a corona conveying driving roller and a corona conveying driven roller which is close to the corona conveying driving roller are hinged to the front part of the lower end of the corona rack, the corona conveying driving roller is connected with a corona conveying motor which drives the corona conveying driving roller to rotate, a corona film inlet and a corona film outlet are respectively arranged at the bottom and the top of the electric shock box, a first corona conveying guide roller is arranged on the corona rack and positioned below the corona film inlet, a second corona conveying guide roller is arranged at the position of the corona film outlet and a third corona conveying guide roller is arranged above the corona conveying driving roller on the corona rack.
The deviation correcting device comprises a movable frame and a fixed frame which are sequentially overlapped up and down, the movable frame is hinged to the middle of one end of the fixed frame, which is located at the same side, an electric control cylinder is mounted on the fixed frame, a first transition roller and a second transition roller which are parallel are mounted on the movable frame and located at the front side and the rear side respectively, a piston rod of the electric control cylinder is connected with one side of the movable frame, and the electric control cylinder is electrically connected with inductors located at two ends of the first transition roller.
The winding device comprises a pre-winding frame and two mirror-image winding frames which are arranged below the pre-winding frame and are arranged in a back-to-back mode, wherein two longitudinal cutting rollers and two longitudinal film dividing blades which are arranged in front of the two longitudinal cutting rollers are arranged at the upper end of the pre-winding frame, a transverse blade sliding strip and two transverse film dividing blades which are arranged on the transverse blade sliding strip are arranged in the middle of the pre-winding frame, a winding driving guide roller and a winding driven guide roller are arranged at the lower end of the winding driving guide roller, and a winding motor which drives the winding driving guide roller to rotate is connected to the winding driving guide roller; the lower extreme of rolling frame installs two sets of wind-up rolls from top to bottom, the wind-up roll is connected with the winding motor that drives its pivoted.
The beneficial effects of the invention are as follows: the three-layer film large-scale film blowing machine is composed of a material mixing and melting device, a film blowing die head, a film cooling device, a lower rotating device, a corona device, a deviation correcting device and a winding device, wherein the material mixing and melting device, the film blowing die head, the deviation correcting device and the winding device are arranged on a three-layer frame, plastic raw materials enter the material mixing and melting device from a raw material feeding port and are extruded from the film blowing die head after being heated and extruded, the film cooling device is responsible for cooling the plastic film during the period, the cooled plastic film is rotationally stretched by the lower rotating device to adjust the uniformity and transparency of the film, the corona device is used for increasing the roughness of the surface of the plastic film, and the winding device is used for winding the plastic film after deviation correcting, so that the whole process has high automation degree, high film making efficiency and high speed, and can meet the quality requirements of PP+PE+PP three-layer plastic films compared with the prior art.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is one of the structural schematic diagrams of the present invention;
FIG. 2 is a second schematic diagram of the structure of the present invention;
FIG. 3 is a schematic view of the structure of a three-layer frame;
FIG. 4 is a schematic view of a partial structure of a three-layer frame;
FIG. 5 is a schematic diagram of the structure of a connecting hemisphere in a three-layer frame;
FIG. 6 is a schematic diagram of a mixing melt apparatus;
FIG. 7 is a schematic diagram of a film cooling device;
FIG. 8 is one of the schematic structural views of the lower rotating device;
FIG. 9 is a second schematic diagram of the lower rotating device;
FIG. 10 is a schematic view of a portion of the lower rotating apparatus;
FIG. 11 is a schematic view of the structure of a corona device;
FIG. 12 is a schematic diagram of a deviation correcting device;
FIG. 13 is a schematic structural view of a winding device;
FIG. 14 is a schematic view of the structure of the flattened plastic film;
FIG. 15 is one of the partial structural schematic diagrams of the winding device;
FIG. 16 is a second partial schematic view of the winding device; .
Detailed Description
Referring to fig. 1 to 16, a three-layer film large-sized film blowing machine comprises a three-layer frame 100, wherein a material mixing and melting device 200 is installed on the top layer of the three-layer frame 100, the material mixing and melting device 200 is provided with a raw material feeding port and a material mixing and discharging port, the material mixing and discharging port is connected with a film blowing die head 207, a film cooling device 300 positioned at the outlet of the film blowing die head 207 is installed on the middle layer of the three-layer frame 100, a lower rotating device 400 positioned below the film cooling device 300 is installed on the bottom layer of the three-layer frame 100, the lower rotating device 400 is connected with a power device for driving the lower rotating device 400 to deflect, a corona device 500, a deviation correcting device 600 and a winding device 700 are sequentially arranged at the rear end of the lower rotating device 400 and beside the three-layer frame 100, the lower rotating device 400 is used for rotating and stretching a plastic film, the corona device 500 is used for increasing the roughness of the surface of a plastic film, the winding device 700 is used for winding the plastic film, the devices are electrically connected with a central control system, plastic raw materials enter the material mixing melting device 200 from a raw material feed inlet and are extruded from the film blowing die head 207 after being heated and extruded, the film cooling device 300 is responsible for cooling the plastic film during the period, the cooled plastic film is rotationally stretched by the lower rotating device 400 to adjust the uniformity and the transparency of the film, the corona device 500 is used for increasing the roughness of the surface of the plastic film, and finally the winding device 700 is used for winding the plastic film, so that the whole process has high automation degree, high film making efficiency and high speed, and can meet the quality requirements of the PP+PE+PP three-layer plastic film compared with the prior art, or slightly modified plastic films with different materials and specifications can also meet the quality requirements of other plastic films.
The three-layer rack 100 comprises upright posts 101 and a baffle plate 102 arranged at the top end of the upright posts 101, wherein a fence consisting of fence posts 103 and fence posts 104 is arranged at the top edge of the baffle plate 102, the fence posts 104 are horizontally arranged and fixedly connected with the fence posts 103, the bottoms of two adjacent upright posts 101 and baffle plates 102 which are positioned on the same side are connected by a first inclined support column 110, a second inclined support column 111, a first inclined support column 112, a second inclined support column 113 and a connecting rod 114, the lower end of the first inclined support column 110 is fixedly connected with the middle part of one upright post 101, the upper end of the first inclined support column 110 is fixedly connected with the middle part of the bottom of the baffle plate 102, the lower end of the first inclined support column 112 is fixedly connected with the middle part of the first inclined support column 110, and the upper end of the first inclined support column is fixedly connected with the bottom of the baffle plate 102 and is close to the top of one upright post 101; the lower end of the second diagonal support column 111 is fixedly connected with the middle part of the other upright column 101, the upper end of the second diagonal support column 113 is fixedly connected with the middle part of the bottom of the partition plate 102, the lower end of the second diagonal support column 113 is fixedly connected with the middle part of the second diagonal support column 111, and the upper end of the second diagonal support column 113 is fixedly connected with the bottom of the partition plate 102 and is close to the top of the other upright column 101; the two ends of the connecting rod 114 are fixedly connected with the middle part of the first diagonal support column 110 and the middle part of the second diagonal support column 111, respectively.
The fence formed by the fence post 103 and the fence rod 104 has strong protective capability, the first inclined support column 110, the second inclined support column 111, the first inclined rod 112, the second inclined rod 113 and the connecting rod 114 are combined to form a plurality of stable triangular structures, the supporting capability is strong, the structure is simple, the fence cannot collapse easily, in addition, the assembly is convenient, and the bearing capability is strong.
The bottom that is located a plurality of homonymy fence post 103 is connected by a connection fixed strip 105, the top edge of baffle 102 is provided with first screw hole 106, connection fixed strip 105 is provided with threaded connection first screw hole 106's first bolt, the middle part of fence post 103 is provided with the fence pole fixed orifices that transversely runs through, fence post 104 pass fence pole fixed orifices with fence post 103 fixed connection, fence post 104 has two parallel upper and lower two its upper and lower two part spaces that are used for protecting the rail at least, simple structure, the rail can be by convenient quick assembly disassembly.
The upper ends of two adjacent fence posts 103 located at corners are connected by a connecting hemisphere 107, the connecting hemisphere 107 is provided with a mounting surface 108 attached to the side surface of the fence post 103, the mounting surface 108 is provided with a second threaded hole 109, the fence post 103 is provided with a second bolt screwed with the second threaded hole 109, the connecting hemisphere 107 is attractive in design, the second bolt is hidden in the connecting hemisphere 107, and the connecting hemisphere 107 and the second bolt stabilize the structure of the upper ends of the two adjacent fence posts 103.
The top layer of the partition board 102 is connected with the middle layer of the partition board 102 through a first stair 115, an auxiliary platform 116 is further connected to the side edge of the three-layer frame 100, the middle layer of the partition board 102 is connected with the auxiliary platform 116 through a second stair 117, the auxiliary platform 116 is connected with the ground through a third stair 118, and the layers are connected through stairs, so that the structure is simple, and workers can go up and down conveniently.
The material mixing and melting device 200 comprises a first screw extruder 201, a second screw extruder 202 and a third screw extruder 203, an opening through which a film blowing die head 207 passes is formed in the middle of the top layer of the three-layer frame 100, a hanging frame 208 for hanging the film blowing die head 207 is fixedly arranged at the edge of the opening, the outlets of the first screw extruder 201, the second screw extruder 202 and the third screw extruder 203 are connected with the inlet of the film blowing die head 207, the film blowing die head 207 is further provided with a plurality of air cooling inlets 204, an air cooler 205 is further arranged on the top layer of the three-layer frame 100, and the air cooler 205 is provided with an air cooling outlet 206 connected with the air cooling inlets 204.
The top fixedly connected with bearing fixed plate 209 of stores pylon 208, the upper end fixedly connected with of the blown film die head 207 of stores pylon 208 is located the hook connecting plate 210 under the bearing fixed plate 209, bearing fixed plate 209 and hook connecting plate 210 are provided with the through-hole that link up, run through in the through-hole and be provided with screw 211, screw 211's top and bottom respectively threaded connection have top bolt 212 and bottom bolt 213, top bolt 212's bottom with the top of bearing fixed plate 209 is contradicted and is connected, bottom bolt 213 with the bottom of hook connecting plate 210 is contradicted and is connected.
The film cooling device 300 comprises a constant-temperature water chiller 301 and a cooling ring 302 which are arranged in the middle layer of the three-layer rack 100, wherein the constant-temperature water chiller 301 is provided with a cold water outlet 303 and a reflux inlet 304, the cooling ring 302 is provided with a cold water inlet 305 and a reflux water outlet 306 which are respectively connected with the cold water outlet 303 and the reflux inlet 304, the inner side of the cooling ring 302 is provided with an annular water containing groove 310 and an annular baffle strip 311, the cold water inlet 305 and the reflux water outlet 306 are both positioned above the annular water containing groove 310, the top end of the annular baffle strip 311 is arranged in a horizontal plane, after the cold water blown by an air cooler primarily cools a plastic film extruded from a film blowing die head 207, the cold water generated by the constant-temperature water chiller 301 flows into the annular water containing groove 310 through the cold water outlet 303 and the cold water inlet 305, when the cold water fills the whole annular water containing groove 310, the cooled plastic film overflows from the top of the annular baffle strip 311, the cooled plastic film downwards along the inner side wall of the cooling ring 302, the cold water downwards flows along a gap between the inner side wall of the cooling ring 302 and the plastic film, and the cold water is taken away during the period, the original heat is better, and the original cooling effect is achieved; in addition, since the cold water yield of the constant temperature water chiller 301 is far greater than the cooling demand, the surplus cold water is returned to the constant temperature water chiller 301 from the return water outlet 306 and the return water outlet 304, and the cooling cycle is continuously performed.
In this embodiment, the cooling ring 302 is mounted on an adjusting fixing frame 307, four corners of the adjusting fixing frame 307 are respectively provided with vertical adjusting screws 308, the four corners of the cooling ring 302 respectively pass through the adjusting screws 308, each adjusting screw 308 is in threaded connection with an adjusting deflector 309, the cooling ring 302 is placed on the adjusting deflector 309, and the cooperation of the adjusting deflector 309 and the adjusting screws 308 is used for adjusting the height and the horizontal state of the cooling ring 302.
The middle layer of the three-layer frame 100 is provided with a through hole for a plastic film to pass through, an adjusting guide pipe 314 passing through the through hole is arranged below the cooling ring 302 on the adjusting fixing frame 307, and the plastic film is conveyed downwards and straightly from the adjusting guide pipe 314, so that the thickness of the plastic film is prevented from being influenced by oblique pulling; a pair of parallel sliding rails 312 are further installed on the middle layer of the three-layer frame 100, and a pulley 313 corresponding to the sliding rails 312 is installed at the bottom end of the adjusting fixing frame 307, and the mechanism is used for adjusting the alignment relationship between the guide tube 314 and the through hole.
The four opposite angles in top of adjusting the mount 307 are fixedly connected with fixed angle bars 315 respectively, the bottom of fixed angle bars 315 with the top fixed connection of adjusting the mount 307, one side of fixed angle bars 315 is provided with fixed screw hole 316, fixed screw hole 316 threaded connection has the conflict bolt of supporting cooling ring 302, simple structure, the position of convenient further fixed cooling ring 302 avoids rocking.
The film blowing die head 207 is further provided with a plurality of air cooling inlets 204, and the air cooler 205 is provided with a cold air outlet 206 connected with the air cooling inlets 204, which is a common technology in the art.
The lower rotating device 400 comprises a lower rotating support 401 fixedly arranged at the bottom of the three-layer frame 100 and a lower rotating support 402 axially hinged with the lower rotating support 401, the lower rotating support 402 is connected with a rotating motor 403 driving the lower rotating support 402 to rotate, two shrinkage guide plates 404 arranged in an inverted-Y shape are arranged at the upper end of the lower rotating support 402, a first air floatation roller 405, a lower rotating transition roller 406 and a second air floatation roller 407 are sequentially arranged at the lower end of the lower rotating support 402 from top to bottom, the first air floatation roller 405 is connected with a first air blower 408, the second air floatation roller 407 is connected with a second air blower 409, the first air floatation roller 405, the lower rotating transition roller 406 and the second air floatation roller 407 are connected with the lower rotating support 402 through a gear transmission assembly and can swing, the first air floatation roller 405, the lower rotating transition roller 406 and the second air floatation roller 407 are different in swing angle, and the plastic film output from the adjusting guide tube of the film cooling device 300 is flattened through the two shrinkage guide plates, then pulled into a film by the first air floatation roller 406 and the second air floatation roller 407, the film is pulled into a uniform film after all layers are compressed together, and the film is made into a film with different film adhesion between the first air floatation roller and the film layers.
In this embodiment, the gear transmission assembly includes an upper fixing plate 410, a first large gear 411, a first transmission gear 412, a second transmission gear 413, a second large gear 414, a main transmission shaft 415, a third transmission gear 416, a fourth transmission gear 417, a fifth transmission gear 418, a third large gear 419, a sixth transmission gear 420, and a fourth large gear 421, the upper end of the upper fixing plate 410 is axially and fixedly connected with the lower rotating frame 402, the lower end is fixedly connected with the first large gear 411, the lower end of the main transmission shaft 415 is axially hinged with the lower rotating frame 401, the first air-float roller 405 is fixedly connected with the first large gear 411 through a first air-float roller fixing frame 422, the lower rotary transition roller 406 is fixedly connected with the main transmission shaft 415 through a lower rotary transition roller fixing frame 423, the second air-float roller 407 is fixedly connected with the third large gear 419 through a second air-float roller fixing frame 424, the first large gear 411, the second large gear 414, the lower rotary transition roller fixing frame 423, the third large gear 419 and the fourth large gear 421 are sequentially sleeved on the main transmission shaft 415 from top to bottom, and the first transmission gear 412, The second transmission gear 413 and the third transmission gear 416 are coaxially and fixedly connected by a first transmission gear shaft 425, the fourth transmission gear 417, the fifth transmission gear 418 and the sixth transmission gear 420 are coaxially and fixedly connected by a second transmission gear shaft 426, the first large gear 411 is meshed with the first transmission gear 412, the second large gear 414 is meshed with the second transmission gear 413, the third transmission gear 416 is meshed with the fourth transmission gear 417, the fifth transmission gear 418 is meshed with the third large gear 419, the sixth transmission gear 420 is meshed with the fourth large gear 421, the rotating shaft of the rotating motor 403 is connected with a driving gear 436 through a gear box, a turntable 445 is arranged in the middle of the lower rotating frame 402, a chain meshed with the driving gear 436 is arranged on the circular surface of the turntable 445, the rotating motor 403 drives the turntable 445 and the lower rotating frame 402 to rotate through the driving gear 436 and the chain, the first air-float roller 405 is sequentially driven to rotate by a first large gear 411, a first transmission gear 412, a second transmission gear 413 and a second large gear 414 through a first air-float roller fixing frame 422, and the lower rotating transition roller 406 is sequentially driven to rotate by a first large gear 411, a second large gear 413 and a second large gear 414 through a lower rotating transition roller fixing frame 423, The first driving gear 412, the third driving gear 416, the fourth driving gear 417, the sixth driving gear 420, the fourth large gear 421 and the main driving shaft 415 are sequentially driven to rotate, the second air-floating roller 407 is sequentially driven to rotate by the first large gear 411, the first driving gear 412, the third driving gear 416, the fourth driving gear 417 and the fifth driving gear 418 through the second air-floating roller fixing frame 424, and the above-mentioned various gear specifications are different, so the rotating speeds are different, so the swinging angles of the first air-floating roller 405, the lower rotating transition roller 406 and the second air-floating roller 407 are also different, and the plastic film is conveniently pulled with different forces.
The shrinkage guide plate 404 is provided with penetrating meshes, the outside of the shrinkage guide plate 404 is also connected with a running water collecting plate 427, a water collecting tank 428 communicated with the running water collecting plate 427 is also installed below the shrinkage guide plate 404 on the lower rotating frame 402, a drain hole 435 is formed in the bottom of the water collecting tank 428, a hot air box 429 and a hot air blower 430 are installed on one side of the lower rotating frame 402, a hot air inlet 431 and a cold air outlet 432 are formed in the side of the hot air box 429, the hot air blower 430 is provided with a hot air outlet 433 connected with the hot air inlet 431 and a cold air reflux port 434 connected with the cold air outlet 432, a wet film inlet 435 and a dry film outlet are respectively formed in the top and the bottom of the hot air box 429, a wet film driving compression roller 437 and a wet film driven compression roller 438 are also installed in the water collecting tank 428, a driving compression roller motor 439 for driving the wet film to rotate is connected with the wet film driving compression roller 437, a film inlet 441 and a wet film outlet guide roller 440 are also installed above and below the hot air box 402 on the lower rotating frame 402, a wet film transfer roller 405 is also installed on the first rotating frame 405, and the first rotating frame 405 is also installed on the rotating frame 405 below the air guide roller; the plastic film output by the adjusting guide pipe 314 of the film cooling device 300 is conveyed into the two shrinking guide plates 404, part of water drops adhered on the plastic film leaks to the flowing water collecting plate 427 through the meshes on the shrinking guide plates 404 and flows downwards, part of water drops are guided into the water collecting tank 428 due to the action of gravity and then are discharged through the water draining holes 435, part of water vapor is adhered on the plastic film after removal, so that the plastic film after removal of part of water drops is flattened sequentially through the wet film driving press roll 437 and the wet film driven press roll 438, then conveyed into the hot bellows 429 by the wet film inlet guide roll 440, the hot air blower 430 inputs hot air to dry part of water vapor thoroughly, the dried plastic film is conveyed onto the corona device 500 through the film upper transfer roll 444 after passing through the dry film outlet guide roll 441, the dry film transfer roll 442 and the stretching transfer roll 443, the first air float roll 405 and the second air float roll 407, wherein the first air float roll 405 and the second air float roll 407 are common technologies in the field, the air rollers are opened on the surfaces of the plastic film driving press roll 437, the first air float rolls and the second air rollers are connected with the air rollers, and the second air rollers are prevented from being damaged by the air blowing off the first air rollers and the second air rollers, and the air rollers are respectively, and the air rollers are arranged on the surfaces of the air rollers are provided with the air rollers 405, and the air floating rolls are blown off the air film, and the air rolls are blown off the air film rolls and the air rolls are air rolls and the air is blown off air easily.
The corona device 500 comprises a corona rack 501, a shock box 502 and a transformer 503, wherein the shock box 502 and the transformer 503 are arranged on the corona rack 501, a shock head electrically connected with the transformer 503 is arranged in the shock box 502, the shock box 502 is arranged at the top of the corona rack 501, a corona conveying driving roller 504 and a corona conveying driven roller 505 which is close to the corona conveying driving roller 504 are hinged at the front part of the lower end of the corona rack 501, the corona conveying driving roller 504 is connected with a corona conveying motor 506 which drives the corona conveying driving roller 504 to rotate, the rotating shaft of the corona conveying motor 506 is connected with the corona conveying driving roller 504 through a corona conveying gearbox 521, a corona film inlet and a corona film outlet 508 are respectively arranged at the bottom and the top of the shock box 502, a corona conveying first guide roller 509 is arranged on the corona rack 501 and at the position of the corona film outlet 508, a corona conveying second guide roller 510 is arranged on the corona box 502, a corona conveying third guide roller 508 is arranged on the corona rack 501 and at the position of the upper part of the corona conveying driving roller 504, the corona conveying roller is rotated from the corona conveying roller 511 to pass through the corona film inlet and the corona film inlet, the corona film is sequentially conveyed from the corona film inlet and the corona film outlet 502 to the corona film inlet, the corona film is sequentially and the corona film is conveyed through the corona film inlet and the corona film guide roller film roller is sequentially and the corona film conveying roller film is conveyed by the corona film after passing through the corona film inlet and the corona film roller film conveying roller film roller 502 and the corona guide roller film conveying roller. The distance between the corona conveying driven roller 505 and the corona conveying driving roller 504 is adjustable, so that the device can be suitable for corona treatment of plastic films with different thicknesses, has good corona effect, improves the roughness of the surface of the plastic films, and is suitable for printing.
Since the electric shock head is a core component of corona treatment, the electric shock box 502 must be easy to open and maintain, in this embodiment, the electric shock box 502 is formed by combining a front shell 512 and a rear shell 513, the rear shell 513 is fixedly mounted on the corona frame 501, an electric shock box cylinder 514 running back and forth is mounted on the rear shell 513, the bottom of the front shell 512 is hinged with the corona frame 501, a first hinge shaft 515 is provided at the bottom of the front shell 512, the front end of a piston rod of the electric shock box cylinder 514 is hinged with the upper end of the front shell 512, a second hinge shaft 516 is provided at the upper end of the front shell 512, the first hinge shaft 515 is connected with the second hinge shaft 516 by a connecting piece 517, the structure is simple, and the electric shock box cylinder 514 can easily push the front shell 512 open, thereby facilitating maintenance.
The utility model discloses a corona conveying device is characterized by including corona frame 501, corona conveying drive roller 504, corona conveying driven roller slide rail 518, corona conveying driven roller 505's tip with corona conveying driven roller slide rail 519 articulates, still install compress tightly cylinder 507 on corona frame 501's both sides respectively, compress tightly the piston rod of cylinder 507 with corona conveying driven roller slide rail 519 fixed connection, corona conveying driven roller slide rail 519 with still install follower bearing 520 between the corona conveying driven roller 505, follower bearing 520 makes the rotation of corona conveying driven roller 505 smoother, compresses tightly the cylinder 507 and adjusts the distance between corona conveying driven roller 505 and the corona conveying drive roller 504 through adjusting cylinder pressure size, simple structure, the plastic film of different thickness of adaptation of being convenient for.
The deviation correcting device 600 comprises a movable frame 601 and a fixed frame 602 which are sequentially overlapped up and down, the movable frame 601 is hinged to the middle part of one end of the fixed frame 602, which is located at the same side, an electric control cylinder 603 is installed on the fixed frame 602, a first transition roller 604 and a second transition roller 608 which are parallel are installed on the movable frame 601 and located at the front side and the rear side respectively, a piston rod of the electric control cylinder 603 is connected with one side of the movable frame 601, the electric control cylinder 603 is electrically connected with inductors (the inductors are not marked in the drawings) located at the two ends of the first transition roller 604, an infrared or optical inductor is adopted for a common means for controlling the material width in the field, a plastic film output from the corona device 500 bypasses the lower end of the second transition roller 608, then bypasses the upper end of the first transition roller 604 and finally outputs to the last winding device, the inductors sense the edge positions of the plastic film, when the edge of the plastic film is sensed by the inductors, the inductors are used for marking that the two sides of the plastic film have been skewed, a signal is pushed by the inductors, the electric control cylinder is slightly skewed, the direction of the plastic film is automatically adjusted, and the original trend is automatically adjusted, and the structure can be adjusted easily.
In this embodiment, the specific connection modes of the electric control cylinder 603, the fixed frame 602 and the movable frame 601 are as follows: the fixing frame 602 is fixedly connected with a cylinder bracket 605 fixedly connected with the outer shell of the electric control cylinder 603, a cross rod 606 is fixedly connected in the movable frame 601, the end part of a piston rod of the electric control cylinder 603 is hinged with the middle part of the cross rod 606, the cross rod 606 is fixedly connected with a T-shaped push head piece 607, and the end part of the piston rod of the electric control cylinder 603 is hinged with the middle extension end of the T-shaped push head piece 607.
One end of the second transition roller 608 is mounted on a fine adjustment control seat 609, the fine adjustment control seat 609 is provided with an adjusting hand wheel 610 inserted into the inclined rear of one end of the second transition roller 608, one end of the adjusting hand wheel 610 is inclined inserted into the lower part of one end of the second transition roller 608, the adjusting hand wheel is used for adjusting the front and rear fine adjustment of the second transition roller 608, when the adjusting hand wheel 610 is rotated to extend into the lower part of one end of the second transition roller 608, one end of the second transition roller 608 slightly moves forwards, and conversely slightly moves backwards, the structure is used as fine adjustment for adjusting the trend of the plastic film, and the plastic film with the adjusted position can be conveyed to the winding device 700 for winding.
The winding device 700 comprises a pre-winding frame 701 and two mirror-image winding frames 702 which are positioned below the pre-winding frame 701 and are arranged opposite to each other, wherein two longitudinal cutting rollers 703 and two longitudinal film cutting blades 704 positioned in front of the two longitudinal cutting rollers 703 are arranged at the upper end of the pre-winding frame 701, a transverse blade sliding bar 705 and two transverse film cutting blades arranged on the transverse blade sliding bar 705 are arranged in the middle of the winding device, a roll-separating driving guide roller 707 and a roll-separating driven guide roller 708 are arranged at the lower end of the roll-separating driving guide roller 707, and a roll-separating motor 719 for driving the roll-separating driving guide roller 707 to rotate is connected to the roll-separating driving guide roller; the lower end of the winding frame 702 is provided with an upper winding roller 709 and a lower winding roller 709, the winding roller 709 is connected with a winding motor for driving the winding roller 709 to rotate, the plastic film coming out of the material mixing melting device 200 is flattened by the film cooling device 300, the lower rotating device 400, the corona device 500 and the deviation correcting device 600 and then is conveyed to the winding device, the flattened plastic film is divided into two layers as shown in fig. 14, the side edge is provided with a joint edge a, the plastic film passes through a gap between the rolling driving guide roller 707 and the rolling driven guide roller 708, the winding roller 709 moves under the driving of the rolling motor 719, during the period, when the plastic film passes through the longitudinal film dividing blade 704, the longitudinal film dividing blade 704 is used for cutting the plastic film with a certain width, or during the period, when the plastic film passes through the transverse film dividing blade, the joint of the two sides of the plastic film is cut off by the transverse film dividing blade to obtain two layers, the plastic film output by the rolling driving guide roller 707 and the rolling driven guide roller 708 is wound by one winding roller 709, when the plastic film passes through the rolling driving guide roller 707 and the rolling driven roller 708, the plastic film is continuously wound by the winding roller 709, and the winding frame 702 can be wound on one winding roller 702, and the other winding frame can be wound on the winding frame at a high speed, and the winding frame can be wound on the winding frame 702, and the winding frame can be wound on the winding frame.
In sum, the cooperation of vertical cutting roller and vertical film segmentation blade is used for cutting out the plastic film of different width, and horizontal blade draw runner and horizontal film segmentation blade cooperation are used for dividing into two with monoblock plastic film, and two sets of wind-up rolls can last the plastic film of different specifications in turn, and the winding speed is fast, and is efficient, and the continuous, separately, the simultaneous winding of plastic film such as single-layer or bilayer, different width can be realized to this film blowing machine's coiling mechanism, and the function is various, can satisfy different demands.
A first pre-winding guide roller 711 is further installed on the pre-winding frame 701 above the longitudinal cutting roller 703 and the longitudinal film dividing blade 704, and the plastic film output from the film blowing machine is excessively conveyed between the longitudinal cutting roller 703 and the longitudinal film dividing blade 704 by the first pre-winding guide roller 711.
The pre-reeling frame 701 is provided with a longitudinal blade sliding rail 712 parallel to the longitudinal cutting roller 703, the longitudinal blade sliding rail 712 is provided with a longitudinal blade mounting bracket 713 matched with the longitudinal blade sliding rail 712, the longitudinal film cutting blade 704 is arranged on the longitudinal blade mounting bracket 713, the edge direction of the longitudinal film cutting blade 704 is opposite to the surface of the longitudinal cutting roller 703, the pre-reeling frame 701 is also provided with a scale 714, and the longitudinal blade mounting bracket 713 is provided with a pointer pointing to the scale 714, so that the width of a required plastic film can be conveniently set and adjusted.
Two opposite transverse blade mounting frames 706 are mounted on the transverse blade sliding bar 705, two transverse film splitting blades are respectively mounted on the two transverse blade mounting frames 706, and the knife edge directions of the two transverse film splitting blades are parallel to the trend of the transverse blade sliding bar 705 and respectively point to the inner sides.
The lower end of the transverse blade mounting rack 706 is connected with a transverse blade sliding block 726 matched with the transverse blade sliding bar 705, one side of the transverse blade mounting rack 706 is provided with two transverse blade mounting grooves 727 which are arranged up and down, the transverse blade mounting grooves 727 are used for mounting blades, the other side of the transverse blade mounting rack is provided with two transverse pressing wheels 728 which are arranged up and down and are opposite to the transverse blade mounting grooves 727, and the transverse pressing wheels 728 are opposite to the cutting edge direction of the blades; the plastic film which is blown by the film blowing machine is in a continuous cylinder shape, then is flattened and rolled, the structure is shown in fig. 2, the film is divided into two layers, the side edge is provided with a seam-joining edge a, the flattened plastic film is longitudinally divided into two layers by a transverse blade mounting frame 706, the seam-joining edge a is precisely and transversely pressed on the edge of a blade by a transverse pressing wheel 728, when the plastic film is conveyed downwards along the edge direction, the seam-joining edge a is continuously cut by the edge, the structure is simple, the cutting is precise, the cutting skew phenomenon can not occur, in addition, a pair of transverse pressing wheels 728 positioned above are mainly responsible for main cutting with the blade, and a pair of transverse pressing wheels 728 positioned below are responsible for repairing and cutting the seam-joining edge a which is not cut, so that the missed cutting possibly caused by the abrasion of the blade above is avoided.
There are various ways to match the transverse blade slider 726 with the transverse blade slider 705, in this embodiment, the upper end of the transverse blade slider 726 is hinged with two transverse pulleys 729, the lower end is hinged with one transverse lower pulley 730, and the transverse blade slider 705 is clamped between the transverse pulleys 729 and the transverse lower pulley 730.
In this embodiment, the lateral pinch roller 728 is mounted as follows: the opposite side of the transverse blade mounting frame 706 is connected with a transverse pinch roller mounting block 731, a transverse pinch roller 728 is hinged with the transverse pinch roller mounting block 731, a transverse mounting block mounting groove 732 is formed in the bottom of the transverse pinch roller mounting block 731, a positioning block 733 which is inserted into the transverse mounting block mounting groove 732 is arranged on the other side of the transverse blade mounting frame 706, through threaded holes are formed in the transverse mounting block mounting groove 732 and the positioning block 733, and longitudinal fixing bolts 734 which longitudinally penetrate through the transverse mounting block mounting groove 732 and the positioning block 733 are connected with the threaded holes in a threaded mode.
Because the joint edges a are two and symmetrically positioned on two sides of the flattened plastic film, the transverse blade mounting frame 706, the blades and the transverse blade sliding block 726 are provided with two groups of blades which are mirror images of each other, the knife edges of the two groups of blades are arranged oppositely, and the two blades can cut the joint edges a on two sides simultaneously.
The transverse blade mounting frame 706 with transverse blade slider 726 is provided with the interior screw that link up, transverse blade mounting frame 706 with be provided with internal thread spliced pole 735 between transverse blade slider 726 and connect, interior screw and internal thread spliced pole 735 link up threaded connection and have vertical set screw 736, and internal thread spliced pole 735 is located transverse blade mounting frame 706 with the middle part of transverse blade slider 726, internal thread spliced pole 735 is with transverse blade mounting frame 706 and transverse blade slider 726 bulk separation, makes things convenient for plastic film's downstream.
The pre-reeling frame 701 is further provided with a width control rod 715 and a film guide plate 716 between the transverse blade sliding bar 705 and the reeling driving guide roller 707, the width control rod 715 is provided with two slidable width limit posts 717, the direction of the width limit posts 717 is perpendicular to the direction of the width control rod 715, the film guide plate 716 is provided with a film guide hole 718, for reeling the whole plastic film, the width limit posts 717 play a role in limiting and righting, and when the longitudinal film cutting blade 704 cuts the whole plastic film into two to three plastic film strips in the previous operation, the width limit posts 717 play a role in shunting, so that the plastic film strips are prevented from being entangled together before reeling.
The upper end of the winding frame 702 is further provided with a first winding guide roller 720, a second winding guide roller 721 and a third winding guide roller 722 from top to bottom in sequence, and the lower end of the winding frame 702 is further provided with a fourth winding guide roller 723 which is used for transition before winding and plays a role in stretching and tensioning the plastic film.
The rolling frame 702 is provided with a press roller 724 beside the rolling roller 709, the rear end of the press roller 724 is hinged with the rolling frame 702, the rear end of the rolling frame 702 is also provided with a limit inductive switch 725, when the plastic film is rolled, the plastic film is wound on the rolling roller 709, the press roller 724 is elastically placed on the outer surface of the plastic film, when the rolling thickness is increased to a certain extent, the rear end of the press roller 724 touches the limit inductive switch 725, rolling is stopped at the moment, the rolled plastic film is taken down as a finished product, and an empty rolling roller is replaced for next rolling.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a large-scale inflation film manufacturing machine of three-layer film, its characterized in that includes three-layer frame (100), compounding melt device (200) are installed on the top layer of three-layer frame (100), compounding melt device (200) are provided with raw materials feed inlet and compounding discharge gate, compounding discharge gate is connected with inflation film die head (207), film cooling device (300) that are located inflation film die head (207) exit are installed to the intermediate level of three-layer frame (100), lower rotary device (400) that are located film cooling device (300) below are installed to the bottom of three-layer frame (100), lower rotary device (400) are connected with the power device that drives its deflection, are located lower rotary device (400) rear end three-layer frame (100) side has set gradually corona device (500), deviation correcting device (600) and coiling mechanism (700), lower rotary device (400) are used for rotatory stretching plastic film, coiling mechanism (700) are used for increasing plastic film surface's roughness, coiling mechanism (700) are used for plastic film, and above-mentioned central authorities are all connected with electric control system;
The film cooling device (300) comprises a constant-temperature water chiller (301) and a cooling ring (302) which are arranged on the middle layer of the three-layer rack (100), wherein the constant-temperature water chiller (301) is provided with a cold water outlet (303) and a backflow port (304), the cooling ring (302) is provided with a cold water inlet (305) and a backflow water outlet (306) which are respectively connected with the cold water outlet (303) and the backflow port (304), the inner side of the cooling ring (302) is provided with an annular water containing groove (310) and an annular barrier strip (311), the cold water inlet (305) and the backflow water outlet (306) are both positioned above the annular water containing groove (310), and the top end of the annular barrier strip (311) is arranged in a horizontal plane;
The cooling ring (302) is arranged on an adjusting fixing frame (307), four corners of the adjusting fixing frame (307) are respectively provided with a vertical adjusting screw rod (308), the four corners of the cooling ring (302) respectively penetrate through the adjusting screw rods (308), each adjusting screw rod (308) is in threaded connection with an adjusting deflector wheel (309), the cooling ring (302) is placed on the adjusting deflector wheel (309), and the matching effect of the adjusting deflector wheels (309) and the adjusting screw rods (308) is used for adjusting the height and the horizontal state of the cooling ring (302);
The lower rotating device (400) comprises a lower rotating support frame (401) fixedly installed at the bottom of the three-layer frame (100) and a lower rotating frame (402) axially hinged to the lower rotating support frame (401), the lower rotating frame (402) is connected with a rotating motor (403) driving the lower rotating support frame (402) to rotate, two shrinkage guide plates (404) arranged in an inverted-Y shape are installed at the upper end of the lower rotating support frame (402), a first air-float roller (405), a lower rotating transition roller (406) and a second air-float roller (407) are sequentially installed at the lower end of the lower rotating support frame (402) from top to bottom, the first air-float roller (405) is connected with a first air blower (408), the second air-float roller (407) is connected with a second air blower (409), and the first air-float roller (406) and the second air-float roller (407) are connected with the lower rotating support frame (402) through a gear transmission assembly and can swing, and the first air-float roller (405), the lower rotating transition roller (406) and the second air-float roller (407) are different from each other in swing angle.
2. The three-layer film large-scale film blowing machine according to claim 1, characterized in that the three-layer frame (100) comprises upright posts (101) and a baffle plate (102) arranged at the top ends of the upright posts (101), wherein a fence consisting of fence posts (103) and fence rods (104) is arranged at the top edges of the baffle plate (102), the fence rods (104) are horizontally arranged and fixedly connected with the fence posts (103), the bottoms of two adjacent upright posts (101) and baffle plates (102) positioned on the same side are connected by a first oblique support post (110), a second oblique support post (111), a first oblique support post (112), a second oblique support post (113) and a connecting rod (114), the lower end of the first oblique support post (110) is fixedly connected with the middle part of one upright post (101), the upper end of the first oblique support post (112) is fixedly connected with the middle part of the bottom of the baffle plate (102), and the upper end of the first oblique support post (112) is fixedly connected with the bottom of the baffle plate (102) and is close to the top of one upright post (101); the lower end of the second inclined support column (111) is fixedly connected with the middle part of the other upright post (101), the upper end of the second inclined support column (111) is fixedly connected with the middle part of the bottom of the partition plate (102), the lower end of the second inclined rod (113) is fixedly connected with the middle part of the second inclined support column (111), and the upper end of the second inclined support column is fixedly connected with the bottom of the partition plate (102) and is close to the top of the other upright post (101); and two ends of the connecting rod (114) are fixedly connected with the middle part of the first inclined support column (110) and the middle part of the second inclined support column (111) respectively.
3. The large-scale film blowing machine of claim 1, wherein the material mixing and melting device (200) comprises a first screw extruder (201), a second screw extruder (202) and a third screw extruder (203), an opening for the film blowing die head (207) to pass through is formed in the middle of the top layer of the three-layer frame (100), a hanging frame (208) for hanging the film blowing die head (207) is fixedly arranged at the edge of the opening, the outlets of the first screw extruder (201), the second screw extruder (202) and the third screw extruder (203) are connected with the inlet of the film blowing die head (207), the film blowing die head (207) is further provided with a plurality of air cooling inlets (204), an air cooler (205) is further arranged on the top layer of the three-layer frame (100), and the air cooler (205) is provided with a cold air outlet (206) connected with the air cooling inlets (204).
4. The three-layer film large-scale film blowing machine according to claim 3, characterized in that a bearing fixing plate (209) is fixedly connected to the top end of the hanging frame (208), a hook connecting plate (210) located under the bearing fixing plate (209) is fixedly connected to the upper end of the film blowing die head (207) of the hanging frame (208), through holes are formed in the bearing fixing plate (209) and the hook connecting plate (210), a screw (211) is arranged in the through holes in a penetrating mode, a top bolt (212) and a bottom bolt (213) are respectively connected to the top and the bottom of the screw (211) in a threaded mode, the bottom of the top bolt (212) is in abutting connection with the top of the bearing fixing plate (209), and the bottom bolt (213) is in abutting connection with the bottom of the hook connecting plate (210).
5. The three-layer film large-scale film blowing machine according to claim 1, characterized in that the corona device (500) comprises a corona rack (501) and a shock box (502) and a transformer (503) which are installed on the corona rack (501), a shock head which is electrically connected with the transformer (503) is arranged in the shock box (502), the shock box (502) is installed at the top of the corona rack (501), a corona conveying driving roller (504) and a corona conveying driven roller (505) which is close to the corona conveying driving roller (504) are hinged at the front part of the lower end of the corona rack (501), the corona conveying driving roller (504) is connected with a corona conveying motor (506) which drives the corona conveying driving roller to rotate, a corona film inlet and a corona film outlet (508) are respectively arranged at the bottom and the top of the shock box (502), a first corona conveying guide roller (509) is installed below the corona film inlet on the corona rack (501), a second corona conveying guide roller (510) is installed at the corona film outlet (508) on the shock box (502), and a third corona conveying guide roller (511) is installed on the corona conveying rack (511).
6. The three-layer film large-scale film blowing machine according to claim 1, characterized in that the deviation correcting device (600) comprises a movable frame (601) and a fixed frame (602) which are sequentially overlapped up and down, the movable frame (601) is hinged with the middle part of one end of the fixed frame (602) which is positioned at the same side, an electric control cylinder (603) is mounted on the fixed frame (602), a first transition roller (604) and a second transition roller (608) which are parallel are respectively mounted on the front side and the rear side of the movable frame (601), a piston rod of the electric control cylinder (603) is connected with one side of the movable frame (601), and inductors positioned at two ends of the first transition roller (604) are electrically connected with the electric control cylinder (603).
7. The three-layer film large-scale film blowing machine according to claim 1, characterized in that the winding device (700) comprises a pre-winding frame (701) and two mirror-image winding frames (702) which are arranged under the pre-winding frame (701) and are arranged opposite to each other, wherein two longitudinal cutting rollers (703) and two longitudinal film dividing blades (704) which are arranged in front of the two longitudinal cutting rollers (703) are arranged at the upper end of the pre-winding frame (701), a transverse blade slide bar (705) and two transverse film dividing blades which are arranged on the transverse blade slide bar (705) are arranged at the middle part, a dividing driving guide roller (707) and a dividing driven guide roller (708) are arranged at the lower end of the dividing driving guide roller (707) and a dividing motor (719) which drives the dividing driving guide roller to rotate; an upper winding roller (709) and a lower winding roller (709) are arranged at the lower end of the winding frame (702), and the winding rollers (709) are connected with a winding motor for driving the winding rollers to rotate.
CN201810732599.6A 2018-07-05 2018-07-05 Large-scale inflation film manufacturing machine of three-layer film Active CN108790136B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810732599.6A CN108790136B (en) 2018-07-05 2018-07-05 Large-scale inflation film manufacturing machine of three-layer film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810732599.6A CN108790136B (en) 2018-07-05 2018-07-05 Large-scale inflation film manufacturing machine of three-layer film

Publications (2)

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