CN116766570B - Three-layer co-extrusion film blowing unit - Google Patents
Three-layer co-extrusion film blowing unit Download PDFInfo
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- CN116766570B CN116766570B CN202310701087.4A CN202310701087A CN116766570B CN 116766570 B CN116766570 B CN 116766570B CN 202310701087 A CN202310701087 A CN 202310701087A CN 116766570 B CN116766570 B CN 116766570B
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- 238000001125 extrusion Methods 0.000 title claims abstract description 59
- 238000010096 film blowing Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000005520 cutting process Methods 0.000 claims description 15
- 238000005485 electric heating Methods 0.000 claims description 13
- 244000309464 bull Species 0.000 claims description 10
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 1
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 1
- 241001330002 Bambuseae Species 0.000 abstract 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 1
- 239000011425 bamboo Substances 0.000 abstract 1
- 239000010408 film Substances 0.000 description 96
- 239000002699 waste material Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 206010053615 Thermal burn Diseases 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a three-layer co-extrusion film blowing unit, which belongs to the technical field of film blowing equipment and comprises a three-layer tower frame, a co-extrusion die head, a film drawing mechanism and a plurality of extruders, wherein the co-extrusion die head and the extruders are arranged below the three-layer tower frame and are communicated with the co-extrusion die head; through setting up C shape rotary drum for two C shape rotary drums can splice into a cylindric, start pneumatic push rod promotes the grip block and removes to C shape rotary drum, and then can carry out the centre gripping to the film, then utilize lifting unit to drive C shape rotary drum and grip block and remove, can pull the film, will be used for the fixed section of thick bamboo of two C shapes of traction film pass for the one end of traction film can be located the middle part of film, utilize rotating unit to drive C shape rotary drum and rotate, and then can drive the film and rotate, make the middle part distortion winding of film be on traction film, be convenient for the film and draw the membrane to be connected, and then reach the effect of drawing the membrane, avoided manual drawing the membrane, prevent scalding the hand.
Description
Technical Field
The invention belongs to the technical field of film blowing equipment, and particularly relates to a three-layer co-extrusion film blowing unit.
Background
The film blowing machine is a plastic machine for heating and melting plastic particles and blowing the plastic particles into films, is an indispensable mechanical product in the modern plastic product manufacturing process, and comprises a three-layer co-extrusion film blowing machine set which has the advantages of higher yield, good product plasticization, low energy consumption, simplicity and convenience in operation, thoroughly solves the problems of lotus leaf edges, winding size heads and the like of the films, and ensures that the product quality is a new step, so that the film blowing machine set is widely applied; when the film forming machine is used, the particles are added into an extruder, and the extruder is used for feeding materials to the co-extrusion die head, so that the co-extrusion die head can extrude melted raw materials and can be blown to form a film, and the formed film can be wound and rolled by a rolling device after being pulled by a traction device, thus completing the production and processing of the whole film; the materials of the products are different, when different products are produced, material changing work is needed, when new materials are extruded by the co-extrusion die head, the new materials are needed to be manually pulled, so that an extruded film can pass through the traction device and the winding device, the continuous traction of the film by the traction mechanism can be ensured, the operation process is film drawing operation, when the film is drawn by the existing three-layer co-extrusion film blowing machine set, the film is manually drawn, and the film is easy to scald hands due to higher temperature when the film is just extruded, so that the film drawing safety is lower; and when drawing the membrane, the junction that is used for drawing the membrane is thicker with the film, is inconvenient for passing draw gear, causes wearing and tearing to the roller on the draw gear easily, has reduced draw gear's life.
Disclosure of Invention
In order to solve the problems that when a film is just extruded, the temperature is high, hands are easy to scald, the safety of film pulling is low, and the abrasion effect on a traction device is reduced, the invention aims to provide a three-layer co-extrusion film blowing unit so as to solve the problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the three-layer co-extrusion film blowing unit comprises a three-layer tower frame, a co-extrusion die head, a film drawing mechanism and a plurality of extruders, wherein the co-extrusion die head and the extruders are arranged below the three-layer tower frame and are communicated with the co-extrusion die head, the film drawing mechanism is arranged on the three-layer tower frame and is positioned above the co-extrusion die head;
the film pulling mechanism comprises two supporting frames, two movable frames, two C-shaped fixed barrels, two C-shaped movable barrels, two C-shaped fixed rings, two C-shaped rotary barrels, two C-shaped connecting barrels, a plurality of pneumatic push rods and a plurality of clamping plates, wherein the two supporting frames are fixedly arranged on a three-layer tower frame, the two supporting frames are symmetrically arranged, the two movable frames are respectively and slidably arranged on the two supporting frames through a connecting component, the two C-shaped fixed barrels are respectively and fixedly arranged at one ends of the two movable frames close to each other, the two C-shaped fixed barrels are contacted, the two C-shaped movable barrels are respectively and slidably arranged on the two C-shaped fixed barrels, the two C-shaped fixed rings are respectively and fixedly arranged on the two C-shaped movable barrels, the two C-shaped fixed rings are respectively connected with the two C-shaped fixed barrels through a lifting component, the two C-shaped rotating drums are all arranged on the two C-shaped fixed rings in a rotating way through the rotating assembly, one C-shaped moving drum is provided with a driving assembly, the driving assembly can be connected with the two C-shaped rotating drums, the two C-shaped connecting drums are respectively arranged on the two C-shaped fixed rings, the two C-shaped connecting drums are all positioned between the two C-shaped rotating drums, the two C-shaped fixed drums are all positioned between the two C-shaped connecting drums, the C-shaped connecting drums are fixedly provided with a plurality of U-shaped seats, a plurality of pneumatic push rods are respectively and fixedly arranged on the plurality of U-shaped seats, a plurality of clamping plates are respectively arranged at the end parts of output shafts of the plurality of pneumatic push rods, one side surface, far away from the pneumatic push rods, of each clamping plate is respectively contacted with the inner wall surfaces of the two C-shaped rotating drums, the plurality of clamping plates and the two C-shaped rotating drums are all positioned right above the co-extrusion die head, and the two C-shaped fixing cylinders are provided with cutting assemblies, the cutting assemblies are positioned between the two C-shaped connecting cylinders, and the cutting assemblies are used for cutting the thin film extruded by the co-extrusion die head.
As the preferable scheme of the invention, the connecting component comprises two cross bars, two sliding bars and four sliding sleeves, wherein the two cross bars are fixedly arranged on the supporting frame, the two sliding bars are respectively fixedly arranged on the two cross bars, the four sliding sleeves are respectively arranged on the two sliding bars in a sliding way, and the four sliding sleeves are connected with the movable frame.
As a preferable scheme of the invention, the first electric push rod is fixedly arranged on the supporting frame, the first electric push rod is positioned between the two cross rods, and the end part of the output shaft of the first electric push rod is fixedly connected with the movable frame.
As a preferable scheme of the invention, the lifting assembly comprises two second electric push rods, the two second electric push rods are respectively positioned at two sides of the C-shaped fixed cylinder, the two second electric push rods are fixedly arranged on the same movable frame, and the end part of the output shaft of the second electric push rod is fixedly connected with the C-shaped fixed ring.
As a preferable scheme of the invention, the rotating assembly comprises a plurality of bull's eye wheels, wherein the bull's eye wheels are fixedly arranged on the C-shaped fixing ring, and the bull's eye wheels are in rolling connection with the C-shaped rotary drum.
As a preferable scheme of the invention, the driving assembly comprises a driving motor, a driving gear, two C-shaped toothed rings and a motor bracket, wherein the motor bracket is fixedly arranged on one of the C-shaped movable cylinders, the driving motor is fixedly arranged on the motor bracket, the driving gear is fixedly arranged at the end part of an output shaft of the driving motor, the two C-shaped toothed rings are respectively and fixedly arranged on the two C-shaped rotary cylinders, the C-shaped toothed rings are positioned above the C-shaped fixed rings, and the driving gear can be meshed with the two C-shaped toothed rings.
As a preferable scheme of the invention, a limiting block is arranged on the other C-shaped movable cylinder, a positioning gear is rotatably arranged on the limiting block, the positioning gear can be meshed with the two C-shaped toothed rings, a T-shaped groove is formed in the limiting block, a T-shaped rod and a spring are slidably arranged in the T-shaped groove, one end of the spring is connected with one end of the T-shaped rod, a plurality of positioning grooves are formed in the positioning gear, and one end of the T-shaped rod far away from the spring is slidably penetrated through one end of the T-shaped groove and is inserted into one of the positioning grooves.
As a preferable scheme of the invention, the cutting assembly comprises an electric heating wire and two fixing brackets, wherein the two fixing brackets are arranged on the same C-shaped fixing cylinder, the electric heating wire is fixedly arranged on the two fixing brackets, and the electric heating wire is positioned between the two C-shaped connecting cylinders.
As a preferable scheme of the invention, squeeze rollers are rotatably arranged in the two C-shaped fixed cylinders, and the two squeeze rollers are symmetrically arranged.
As a preferable scheme of the invention, a feeding pipe is communicated with a feeding port of the extruder, one end of the feeding pipe, which is far away from the extruder, is communicated with a granulator, a feeding pipe is communicated with the feeding port of the granulator, one end of the feeding pipe, which is far away from the granulator, is communicated with a funnel, and the funnel is positioned below the C-shaped rotation.
Compared with the prior art, the invention has the beneficial effects that:
according to the three-layer co-extrusion film blowing unit, the C-shaped rotary drums are arranged, the two C-shaped rotary drums can be spliced into a cylinder, the spliced C-shaped rotary drums are moved to the co-extrusion die head by the lifting assembly, the film is just positioned between the C-shaped rotary drums and the clamping plates after being extruded, the pneumatic push rod is started to push the clamping plates to move towards the C-shaped rotary drums so as to clamp the film, then the lifting assembly is utilized to drive the C-shaped rotary drums and the clamping plates to move, the film can be pulled, the film for pulling passes through the two C-shaped fixed drums, one end of the pulling film can be positioned in the middle of the film, the rotating assembly is utilized to drive the C-shaped rotary drums to rotate, and then the film can be driven to rotate, so that the middle of the film is twisted and wound on the pulling film, the film is convenient to be connected with the pulling film, the effect of pulling the film is achieved, manual pulling of the film is avoided, and the hand is prevented from being scalded;
according to the three-layer co-extrusion film blowing unit, the extrusion rollers are arranged in the C-shaped fixed cylinder, so that the traction film can pass through between the two extrusion rollers, when the traction film pulls the film to pass through the two extrusion rollers, the two extrusion rollers can extrude the joint of the traction film and the film, the thickness of the joint is reduced, abrasion of the joint of the traction film and the film to the traction device can be reduced, and the service life of the traction device is prolonged;
this three-layer is crowded inflation film manufacturing machine group altogether is through setting up the funnel for in can dropping the funnel by the waste material under the interception between C shape rotary drum and the grip block, and in entering the granulator through the inlet pipe, make the granulator can cut apart into the granule with the waste material, make the granule can get into the extruder through the pan feeding intraductal, the recycle of the waste material of being convenient for.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic view of an extruder according to the present invention;
FIG. 4 is a schematic structural view of a coextrusion die according to the present invention;
FIG. 5 is a schematic view of a connecting assembly according to the present invention;
FIG. 6 is a schematic diagram of a driving assembly according to the present invention;
FIG. 7 is a schematic cross-sectional view of a stopper according to the present invention;
FIG. 8 is a schematic diagram of a film pulling mechanism according to the present invention;
FIG. 9 is an enlarged schematic view of the structure of FIG. 8A according to the present invention;
fig. 10 is an enlarged schematic view of the structure of fig. 8B according to the present invention.
In the figure: 1. three layers of tower frames; 2. a co-extrusion die head; 3. a film pulling mechanism; 301. a support frame; 302. a moving rack; 303. a C-shaped fixed cylinder; 304. a C-shaped moving cylinder; 305. a C-shaped fixing ring; 306. a C-shaped drum; 307. a C-shaped connecting cylinder; 308. a pneumatic push rod; 309. a clamping plate; 3010. a U-shaped seat; 4. an extruder; 5. a connection assembly; 501. a cross bar; 502. a slide bar; 503. a sliding sleeve; 6. a lifting assembly; 601. a second electric push rod; 7. a rotating assembly; 701. a bullseye wheel; 8. a drive assembly; 801. a driving motor; 802. a drive gear; 803. c-shaped toothed ring; 804. a motor bracket; 9. a cutting assembly; 901. heating wires; 902. a fixed bracket; 10. a first electric push rod; 11. a limiting block; 12. a T-shaped groove; 13. a T-bar; 14. a spring; 15. a positioning groove; 16. a squeeze roll; 17. a feeding pipe; 18. a granulator; 19. a feed pipe; 20. a funnel; 21. and positioning the gear.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present invention are included in the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a three-layer co-extrusion film blowing unit, which includes a three-layer tower frame 1, a co-extrusion die head 2, a film drawing mechanism 3 and a plurality of extruders 4, wherein the co-extrusion die head 2 and the extruders 4 are all disposed below the three-layer tower frame 1, the extruders 4 are all communicated with the co-extrusion die head 2, the film drawing mechanism 3 is disposed on the three-layer tower frame 1, and the film drawing mechanism 3 is disposed above the co-extrusion die head 2;
the film pulling mechanism 3 comprises two supporting frames 301, two movable frames 302, two C-shaped fixed barrels 303, two C-shaped movable barrels 304, two C-shaped fixed rings 305, two C-shaped rotary barrels 306, two C-shaped connecting barrels 307, a plurality of pneumatic push rods 308 and a plurality of clamping plates 309, wherein the two C-shaped fixed barrels 303, the two C-shaped movable barrels 304, the two C-shaped fixed rings 305, the two C-shaped rotary barrels 306 and the two C-shaped connecting barrels 307 can be respectively spliced into a closed circular ring; the two supporting frames 301 are fixedly arranged on the three-layer tower frame 1, the two supporting frames 301 are symmetrically arranged, the two movable frames 302 are respectively and slidably arranged on the two supporting frames 301 through the connecting component 5, the two C-shaped fixed barrels 303 are respectively and fixedly arranged at one ends of the two movable frames 302 close to each other, the two C-shaped fixed barrels 303 are contacted, the two movable frames 302 can be driven to move towards one side close to or away from each other through the connecting component 5, the two C-shaped fixed barrels 303 can be contacted or separated, the two C-shaped fixed barrels 303 are spliced into a closed circular ring after being contacted, at the moment, the two C-shaped fixed barrels 303 are all arranged right above the co-extrusion die head 2, when the two C-shaped fixed barrels 303 are separated, the two C-shaped fixed barrels 303 are positioned at two sides of the co-extrusion die head 2, the two C-shaped movable barrels 304 are respectively and slidably arranged on the two C-shaped fixed barrels 303, the two C-shaped fixing rings 305 are respectively and fixedly arranged on the two C-shaped movable drums 304, the two C-shaped fixing rings 305 are respectively connected with the two C-shaped fixing drums 303 through the lifting assembly 6, the lifting mechanism can drive the C-shaped fixing rings 305 to move up and down, and further can drive the C-shaped movable drums 306 to move downwards, so that the C-shaped movable drums 306 can be contacted with the co-extrusion die head 2, after the film is extruded, the film can be positioned inside the two C-shaped movable drums 306, the film is convenient to be pulled, the two C-shaped movable drums 306 are respectively arranged on the two C-shaped fixing rings 305 through the rotation of the rotation assembly 7, the rotation of the two C-shaped movable drums 306 can be driven through the rotation assembly 7, the C-shaped movable drums 306 can drive the film to rotate, and further the middle part of the film can be twisted and connected with a pulling film, the driving assembly 8 is arranged on one C-shaped movable drum 304, the driving assembly 8 can be connected with the two C-shaped movable drums 306, the driving component 8 can drive the C-shaped rotary drums 306 to rotate, two C-shaped connecting drums 307 are respectively arranged on the two C-shaped fixed rings 305, the two C-shaped connecting drums 307 are respectively arranged between the two C-shaped rotary drums 306, the two C-shaped fixed drums 303 are respectively arranged between the two C-shaped connecting drums 307, a plurality of U-shaped seats 3010 are respectively fixedly arranged on the two C-shaped connecting drums 307, a plurality of pneumatic push rods 308 are respectively fixedly arranged on the plurality of U-shaped seats 3010, a plurality of clamping plates 309 are respectively arranged at the end parts of output shafts of the plurality of pneumatic push rods 308, one side surface of the plurality of clamping plates 309 away from the pneumatic push rods 308 is respectively contacted with the inner wall surfaces of the two C-shaped rotary drums 306, the plurality of clamping plates 309 and the two C-shaped rotary drums 306 are both positioned right above the co-extrusion die head 2, the cutting assemblies 9 are arranged on the two C-shaped fixed drums 303, the cutting assemblies 9 are positioned between the two C-shaped connecting drums 307, the cutting assemblies 9 are used for cutting films extruded by the co-extrusion die head 2, the clamping plates 309 are pushed to move through the pneumatic push rods 308, so that the clamping plates 309 and the C-shaped rotary drums 306 can be matched to clamp the films, the films are convenient to pull, and after the films are connected with the pulling films, the sections of the clamped films can be cut through the cutting assemblies 9, so that the thickness of the connecting parts can be reduced;
in this embodiment, referring to fig. 1-5, the connecting assembly 5 includes two cross bars 501, two slide bars 502 and four slide sleeves 503, the two cross bars 501 are all fixedly disposed on the supporting frame 301, the two slide bars 502 are respectively fixedly disposed on the two cross bars 501, the four slide sleeves 503 are respectively slidably disposed on the two slide bars 502, and the four slide sleeves 503 are all connected with the moving frame 302, the slide sleeves 503 can move on the slide bars 502, so that the slide sleeves 503 can drive the moving frame 302 to move on the cross bars 501, and further facilitate driving the two C-shaped fixed cylinders 303, the two C-shaped moving cylinders 304, the two C-shaped fixed rings 305, the two C-shaped rotating cylinders 306 and the two C-shaped connecting cylinders 307 to approach or separate, when film pulling is required, the two C-shaped fixed rings 305, the two C-shaped rotating cylinders 306 and the two C-shaped connecting cylinders 307 are driven to contact and can perform film pulling, and when film pulling is not required, the two C-shaped fixed cylinders 303, the two C-shaped fixed cylinders 304, the two C-shaped moving cylinders 306, the two C-shaped fixed cylinders 306, the two C-shaped connecting cylinders 306 and the two C-shaped connecting cylinders 307 are driven to move together, and the two C-shaped fixed cylinders 303 are prevented from being influenced by the two C-shaped fixed cylinders, the two C-shaped fixed cylinders and the two C-shaped connecting cylinders 307 to be formed;
the first electric push rod 10 is further fixedly arranged on the support frame 301, the first electric push rod 10 is located between the two cross rods 501, the end part of an output shaft of the first electric push rod 10 is fixedly connected with the movable frame 302, the first electric push rod 10 can push the movable frame 302 to move, and then the movable frame 302 can move on the cross rods 501, so that the automation level is improved, and two C-shaped fixed cylinders 303, two C-shaped movable cylinders 304, two C-shaped fixed rings 305, two C-shaped rotary cylinders 306 and two C-shaped connecting cylinders 307 can be accurately moved;
the lifting assembly 6 comprises two second electric push rods 601, the two second electric push rods 601 are respectively located on two sides of the C-shaped fixed cylinder 303, the two second electric push rods 601 are fixedly arranged on the same moving frame 302, the end part of an output shaft of each second electric push rod 601 is fixedly connected with the C-shaped fixed ring 305, the second electric push rods 601 can push the C-shaped fixed ring 305 to move, and then the C-shaped fixed ring 305, the C-shaped rotary cylinder 306, the C-shaped connecting cylinder 307 and the C-shaped moving cylinder 304 can move up and down relative to the C-shaped fixed cylinder 303, so that the C-shaped rotary cylinder 306 is convenient to contact with the co-extrusion die head 2 and convenient to pull an extruded film;
the rotating assembly 7 comprises a plurality of bull's eye wheels 701, the bull's eye wheels 701 are fixedly arranged on the C-shaped fixing ring 305, the bull's eye wheels 701 are in rolling connection with the C-shaped rotary drum 306, the C-shaped rotary drum 306 can rotate on the C-shaped fixing ring 305 through the bull's eye wheels 701, the rotation rate is improved, the friction between the C-shaped rotary drum 306 and the C-shaped fixing ring 305 is reduced, and the service life is prolonged;
in this embodiment, referring to fig. 5-6, the driving assembly 8 includes a driving motor 801, a driving gear 802, two C-shaped toothed rings 803 and a motor bracket 804, the motor bracket 804 is fixedly disposed on one of the C-shaped moving cylinders 304, the driving motor 801 is fixedly disposed on the motor bracket 804, the driving gear 802 is fixedly disposed at an end portion of an output shaft of the driving motor 801, the two C-shaped toothed rings 803 are respectively fixedly disposed on the two C-shaped rotating cylinders 306, the C-shaped toothed rings 803 are located above the C-shaped fixed rings 305, the driving gear 802 can be meshed with the two C-shaped toothed rings 803, the driving gear 802 can be driven to rotate by the driving motor 801, so that the driving gear 803 can be driven to rotate by the driving gear 803, the two C-shaped toothed rings 803 can be spliced into a closed circular toothed ring 803, separation of the driving gear 803 and the C-shaped toothed rings 803 can be prevented, and the C-shaped rotating cylinders 306 can be driven to rotate when the C-shaped toothed rings rotate, thereby facilitating torsion of the film;
wherein, a stopper 11 is disposed on the other C-shaped moving cylinder 304, a positioning gear 21 is rotationally disposed on the stopper 11, the positioning gear 21 can be meshed with two C-shaped toothed rings 803, a T-shaped groove 12 is disposed on the stopper 11, a T-shaped rod 13 and a spring 14 are slidably disposed in the T-shaped groove 12, one end of the spring 14 is connected with one end of the T-shaped rod 13, a plurality of positioning grooves 15 are disposed on the positioning gear 21, one end of the T-shaped rod 13 far away from the spring 14 slides through one end of the T-shaped groove 12 and is inserted into one of the positioning grooves 15, the C-shaped toothed rings 803 can drive the positioning gear 21 to rotate when rotating, so that the positioning gear 21 can rotate relative to the T-shaped rod 13, the spring 14 pushes the T-shaped rod 13 to be inserted into the positioning grooves 15, so that the T-shaped rod 13 can limit the positioning gear 21, when the positioning gear 21 is stressed less or not stressed, the T-shaped rod 13 can be inserted into the positioning gear 21 to avoid rotating, and further after the two C-shaped gears rotate and separate, the positioning gear 21 can drive the C-shaped toothed rings 801 to rotate, thereby avoiding the random C-shaped ring 803 from rotating and the C-shaped toothed rings 803 from rotating, and avoiding the random C-shaped ring 803 from being separated from the fixed drum 305;
in this embodiment, referring to fig. 8-9, the cutting assembly 9 includes an electric heating wire 901 and two fixing brackets 902, the two fixing brackets 902 are all disposed on the same C-shaped fixing cylinder 303, the electric heating wire 901 is fixedly disposed on the two fixing brackets 902, the electric heating wire 901 is disposed between the two C-shaped connecting cylinders 307, after the film is twisted, the two ends of the film are large, the middle is small, the lifting assembly 6 drives the C-shaped rotating cylinder 306 to move upwards, one end of the film can be driven to move upwards, one end of the film is extruded with the electric heating wire 901, and then the electric heating wire 901 can cut the end of the film, so that the volume between the film and the traction film can be reduced, and the film can conveniently pass through the traction device;
in this embodiment, referring to fig. 8, squeeze rolls 16 are rotatably disposed in two C-shaped fixed cylinders 303, and the squeeze rolls 16 are symmetrically disposed, so that the squeeze rolls 16 can squeeze the film and the traction film, thereby reducing the thickness of the film and the traction film, facilitating the film and the traction film to pass through the traction device, and reducing the abrasion to the traction device;
in this embodiment, referring to fig. 1-3, a feeding pipe 17 is connected to a feeding port of the extruder 4, one end of the feeding pipe 17 away from the extruder 4 is connected to a granulator 18, a feeding pipe 19 is connected to a feeding port of the granulator 18, one end of the feeding pipe 19 away from the granulator 18 is connected to a funnel 20, the funnel 20 is located below the C-shaped rotary drum 306, and the cut waste materials in the C-shaped rotary drum 306 can fall into the funnel 20 and enter the granulator 18 through the feeding pipe 19, and after small particles are formed by the granulator 18, the waste materials enter the extruder 4 through the feeding pipe 17, so that recycling of the waste materials is facilitated.
When in use, the traction film for traction is clamped on the traction device, one end of the traction film can droop above the co-extrusion die head 2, then the first electric push rod 10 is started to push the movable frame 302 to move on the cross rod 501, so that the two C-shaped fixed cylinders 303, the two C-shaped movable cylinders 304, the two C-shaped fixed rings 305, the two C-shaped rotary cylinders 306 and the two C-shaped connecting cylinders 307 can be driven to splice into a closed cylinder, one end of the traction film can be positioned between the two C-shaped fixed cylinders 303 and the two extrusion rollers 16, then the second electric push rod 601 is started to push the C-shaped fixed rings 305 to move downwards, the C-shaped rotary cylinders 306, the C-shaped connecting cylinders 307, the pneumatic push rods 308 and the clamping plates 309 can be driven to move downwards, the C-shaped rotary cylinders 306 can be contacted with the co-extrusion die head 2, raw materials are added into the extruder 4, after raw materials are melted in the extruder 4 and extruded through the co-extrusion die head 2, the extruded film is just positioned between the C-shaped rotary drum 306 and the clamping plate 309, the pneumatic push rod 308 is started to drive the clamping plate 309 to move, the clamping plate 309 and the C-shaped rotary drum 306 are matched to clamp the film, then the C-shaped rotary drum 306 is driven to move upwards through the second electric push rod 601, when the traction film is positioned in the film after one end of the movement is moved, the driving motor 801 is started, the driving motor 801 can drive the driving gear 802 to rotate, the driving gear 802 can drive the C-shaped toothed ring 803 to rotate, the C-shaped rotary drum 306 can be driven to rotate, the C-shaped rotation can drive the movement of the film to rotate, at the moment, the film is subjected to torsion, the middle part of the film is stressed and twisted together, the middle part of the film can be wound on the traction film, then the C-shaped rotary drum 306 is continuously moved upwards, one end of the film can be contacted with the electric heating wire 901, the electric heating wire 901 can cut off one end of the film, then the traction film is pulled through the traction device, the traction film can be pulled to pass through the space between the two extrusion rollers 16, the extrusion rollers 16 can extrude the joint of the traction film and the film, then the pneumatic push rod 308 on one C-shaped fixed cylinder 303 is started, a part of clamping plates 309 are separated from one C-shaped rotary cylinder 306, then the two movable frames 302 are driven to move to the far side by the first electric push rod 10, the two C-shaped fixed cylinders 303, the two C-shaped movable cylinders 304, the two C-shaped fixed rings 305, the two C-shaped rotary cylinders 306 and the two C-shaped connecting cylinders 307 are far away, cut waste materials in the C-shaped rotary cylinders 306 can be pulled to be broken, the other C-shaped rotary cylinders 306 are driven to move to the upper side of the hopper 20, the pneumatic push rod 308 on the other C-shaped fixed cylinder 303 is started to drive the clamping plates 309 to be separated from the other C-shaped rotary cylinders 306, the two C-shaped rotary cylinders 306 can drop into the hopper 20, the waste materials can enter the granulating machine 17 through the granulating machine through the feeding pipe 19, and the granulating machine 17 can enter the granulating machine, and the granulating machine 17 can enter the feeding pipe 4.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a three-layer crowded inflation film manufacturing machine group altogether which characterized in that: the novel multi-layer film drawing device comprises a three-layer tower frame (1), a co-extrusion die head (2), a film drawing mechanism (3) and a plurality of extruders (4), wherein the co-extrusion die head (2) and the extruders (4) are arranged below the three-layer tower frame (1), the extruders (4) are communicated with the co-extrusion die head (2), the film drawing mechanism (3) is arranged on the three-layer tower frame (1), and the film drawing mechanism (3) is arranged above the co-extrusion die head (2);
the film pulling mechanism (3) comprises two supporting frames (301), two movable frames (302), two C-shaped fixed barrels (303), two C-shaped movable barrels (304), two C-shaped fixed rings (305), two C-shaped rotary drums (306), two C-shaped connecting barrels (307), a plurality of pneumatic push rods (308) and a plurality of clamping plates (309), wherein the two supporting frames (301) are fixedly arranged on a three-layer tower frame (1), the two supporting frames (301) are symmetrically arranged, the two movable frames (302) are respectively and slidably arranged on the two supporting frames (301) through a connecting component (5), the two C-shaped fixed barrels (303) are respectively and fixedly arranged at one ends, close to the two movable frames (302), of the two C-shaped fixed barrels (303) are contacted, the two C-shaped movable barrels (304) are respectively and slidably arranged on the two C-shaped fixed barrels (303), the two C-shaped fixed rings (304) are respectively and fixedly arranged on the two C-shaped movable barrels (305), the two C-shaped fixed barrels (305) are respectively and fixedly arranged on the two C-shaped fixed barrels (305) through the two C-shaped fixed rings (305) through the lifting component (306), one of the C-shaped movable barrels (304) is provided with a driving assembly (8);
the driving assembly (8) can be connected with two C-shaped rotary drums (306), two C-shaped rotary drums (307) are respectively arranged on two C-shaped fixed rings (305), two C-shaped rotary drums (307) are respectively arranged between the two C-shaped rotary drums (306), two C-shaped fixed drums (303) are respectively arranged between the two C-shaped rotary drums (307), a plurality of U-shaped seats (3010) are respectively fixedly arranged on the two C-shaped rotary drums (307), a plurality of pneumatic push rods (308) are respectively fixedly arranged on the plurality of U-shaped seats (3010), a plurality of clamping plates (309) are respectively arranged at the end parts of output shafts of the plurality of pneumatic push rods (308), one side surface of each clamping plate (309) far away from each pneumatic push rod (308) is respectively connected with the inner wall surfaces of the two C-shaped rotary drums (306), the plurality of clamping plates (309) and the two C-shaped rotary drums (306) are respectively arranged right above the co-extrusion die heads (2), and the two C-shaped rotary drums (307) are respectively arranged on the cutting assembly (9) and are respectively arranged between the two cutting assemblies (9).
2. The three-layer co-extrusion film blowing unit according to claim 1, wherein: the connecting assembly (5) comprises two cross bars (501), two sliding bars (502) and four sliding sleeves (503), wherein two cross bars (501) are fixedly arranged on the supporting frame (301), two sliding bars (502) are fixedly arranged on the two cross bars (501) respectively, four sliding sleeves (503) are slidably arranged on the two sliding bars (502) respectively, and four sliding sleeves (503) are connected with the movable frame (302).
3. The three-layer co-extrusion film blowing unit as claimed in claim 2, wherein: the electric pushing device is characterized in that a first electric pushing rod (10) is further fixedly arranged on the supporting frame (301), the first electric pushing rod (10) is located between the two cross rods (501), and the end part of an output shaft of the first electric pushing rod (10) is fixedly connected with the movable frame (302).
4. The three-layer co-extrusion film blowing unit according to claim 1, wherein: the lifting assembly (6) comprises two second electric pushing rods (601), the two second electric pushing rods (601) are respectively located on two sides of the C-shaped fixed cylinder (303), the two second electric pushing rods (601) are fixedly arranged on the same movable frame (302), and the end part of an output shaft of the second electric pushing rod (601) is fixedly connected with the C-shaped fixed ring (305).
5. The three-layer co-extrusion film blowing unit according to claim 1, wherein: the rotating assembly (7) comprises a plurality of bull's eye wheels (701), wherein a plurality of bull's eye wheels (701) are fixedly arranged on a C-shaped fixing ring (305), and a plurality of bull's eye wheels (701) are in rolling connection with a C-shaped rotary drum (306).
6. The three-layer co-extrusion film blowing unit according to claim 1, wherein: the driving assembly (8) comprises a driving motor (801), a driving gear (802), two C-shaped toothed rings (803) and a motor support (804), wherein the motor support (804) is fixedly arranged on one of the C-shaped movable cylinders (304), the driving motor (801) is fixedly arranged on the motor support (804), the driving gear (802) is fixedly arranged at the end part of an output shaft of the driving motor (801), the two C-shaped toothed rings (803) are respectively fixedly arranged on the two C-shaped rotary cylinders (306), the C-shaped toothed rings (803) are positioned above the C-shaped fixed rings (305), and the driving gear (802) can be meshed with the two C-shaped toothed rings (803).
7. The three-layer co-extrusion film blowing unit as defined in claim 6, wherein: the novel C-shaped movable barrel comprises a C-shaped movable barrel (304), wherein a limiting block (11) is arranged on the C-shaped movable barrel, a positioning gear (21) is rotatably arranged on the limiting block (11), the positioning gear (21) can be meshed with two C-shaped toothed rings (803), a T-shaped groove (12) is formed in the limiting block (11), a T-shaped rod (13) and a spring (14) are arranged in the T-shaped groove (12) in a sliding mode, one end of the spring (14) is connected with one end of the T-shaped rod (13), a plurality of positioning grooves (15) are formed in the positioning gear (21), and one end, far away from the spring (14), of the T-shaped rod (13) slides through one end of the T-shaped groove (12) and is inserted into one of the positioning grooves (15).
8. The three-layer co-extrusion film blowing unit according to claim 1, wherein: the cutting assembly (9) comprises an electric heating wire (901) and two fixing supports (902), the two fixing supports (902) are arranged on the same C-shaped fixing cylinder (303), the electric heating wire (901) is fixedly arranged on the two fixing supports (902), and the electric heating wire (901) is located between the two C-shaped connecting cylinders (307).
9. The three-layer co-extrusion film blowing unit according to claim 1, wherein: squeeze rollers (16) are arranged in the two C-shaped fixed cylinders (303) in a rotating mode, and the two squeeze rollers (16) are symmetrically arranged.
10. The three-layer co-extrusion film blowing unit according to claim 1, wherein: the feeding port of the extruder (4) is communicated with a feeding pipe (17), one end of the feeding pipe (17) away from the extruder (4) is communicated with a granulator (18), the feeding port of the granulator (18) is communicated with a feeding pipe (19), one end of the feeding pipe (19) away from the granulator (18) is communicated with a funnel (20), and the funnel (20) is located below the C-shaped rotary drum (306).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310701087.4A CN116766570B (en) | 2023-06-13 | 2023-06-13 | Three-layer co-extrusion film blowing unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310701087.4A CN116766570B (en) | 2023-06-13 | 2023-06-13 | Three-layer co-extrusion film blowing unit |
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| CN116766570B true CN116766570B (en) | 2024-02-20 |
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| CN202310701087.4A Active CN116766570B (en) | 2023-06-13 | 2023-06-13 | Three-layer co-extrusion film blowing unit |
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| EP0426975A2 (en) * | 1989-11-06 | 1991-05-15 | WindmÀ¶ller & Hölscher | Flattening and haul-off apparatus for the blow moulding of a plastic tubular film |
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| CN106113476A (en) * | 2016-06-23 | 2016-11-16 | 浙江汇锋薄膜科技有限公司 | A kind of PVC inflation film manufacturing machine |
| CN109822874A (en) * | 2019-01-08 | 2019-05-31 | 无锡市太平洋新材料股份有限公司 | A kind of inflation film manufacturing machine preventing film fold |
| CN213919582U (en) * | 2020-11-24 | 2021-08-10 | 浙江佳尔彩包装有限公司 | But waste recovery's inflation film manufacturing machine |
| CN215283337U (en) * | 2021-07-22 | 2021-12-24 | 上海乐亿塑料制品有限公司 | Film blowing machine |
| CN215283336U (en) * | 2021-07-22 | 2021-12-24 | 上海乐亿塑料制品有限公司 | Film blowing machine |
| CN215661836U (en) * | 2021-08-13 | 2022-01-28 | 福建冠中科技有限公司 | Three-layer co-extrusion film blowing machine for biodegradable material |
| CN216732989U (en) * | 2021-10-29 | 2022-06-14 | 烟台木赐化工科技有限公司 | Inflation film manufacturing machine is used in production of polyethylene goods |
| CN218505212U (en) * | 2022-09-17 | 2023-02-21 | 石育医药制造(灵寿)有限公司 | Inflation film manufacturing machine that membrane bubble is stable |
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Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0426975A2 (en) * | 1989-11-06 | 1991-05-15 | WindmÀ¶ller & Hölscher | Flattening and haul-off apparatus for the blow moulding of a plastic tubular film |
| CN104118118A (en) * | 2014-07-07 | 2014-10-29 | 武汉新中德塑机股份有限公司 | High-viscosity self-adhesive film production device |
| CN106113476A (en) * | 2016-06-23 | 2016-11-16 | 浙江汇锋薄膜科技有限公司 | A kind of PVC inflation film manufacturing machine |
| CN109822874A (en) * | 2019-01-08 | 2019-05-31 | 无锡市太平洋新材料股份有限公司 | A kind of inflation film manufacturing machine preventing film fold |
| CN213919582U (en) * | 2020-11-24 | 2021-08-10 | 浙江佳尔彩包装有限公司 | But waste recovery's inflation film manufacturing machine |
| CN215283337U (en) * | 2021-07-22 | 2021-12-24 | 上海乐亿塑料制品有限公司 | Film blowing machine |
| CN215283336U (en) * | 2021-07-22 | 2021-12-24 | 上海乐亿塑料制品有限公司 | Film blowing machine |
| CN215661836U (en) * | 2021-08-13 | 2022-01-28 | 福建冠中科技有限公司 | Three-layer co-extrusion film blowing machine for biodegradable material |
| CN216732989U (en) * | 2021-10-29 | 2022-06-14 | 烟台木赐化工科技有限公司 | Inflation film manufacturing machine is used in production of polyethylene goods |
| CN218505212U (en) * | 2022-09-17 | 2023-02-21 | 石育医药制造(灵寿)有限公司 | Inflation film manufacturing machine that membrane bubble is stable |
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| CN116766570A (en) | 2023-09-19 |
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