CN112092347A

CN112092347A - Multi-gun barrel film blowing machine

Info

Publication number: CN112092347A
Application number: CN202010944151.8A
Authority: CN
Inventors: 刘绍然; 刘志良; 晏灿辉; 王志雄; 陈世珍; 麦耀仁
Original assignee: Chaoran Plastic Packaging Products Shenzhen Co ltd
Current assignee: Transcendent New Material Technology Guangdong Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2020-12-18

Abstract

The invention relates to a multi-barrel film blowing machine which comprises an extrusion station, a bubble stabilizing mechanism, a folding mechanism, a rotary traction device, a deviation correcting device, a corona treatment device and a winding device, wherein the bubble stabilizing mechanism, the folding mechanism, the rotary traction device, the deviation correcting device, the corona treatment device and the winding device are arranged at different heights through a frame; the rotary table driven by a rotary motor is arranged on a track of the rack, the upper side and the lower side of the rotary table are respectively provided with a mounting frame and a fixing frame, the edge folding mechanism is arranged on the fixing frame, and the rotary traction device is arranged on the mounting frame. The multi-layer film co-extrusion machine is reasonable in structure, novel in design and high in practicability, the five barrels are connected together through the machine head main body, multi-layer film co-extrusion is achieved, the shape of film blowing is kept stable through the three annular air outlets of the air pipes and the funnel-shaped air return opening in the top, the consistency of the thickness of the film is improved, and meanwhile damage to air quantity is reduced; the height of the foam stabilizing frame is adjusted through the lifting driving assembly, and the compatibility of the foam stabilizing mechanism is improved; the edge folding knife has a tetrahedron structure with a narrow upper part and a wide lower part and a thick upper part and a thin lower part, so that the edge folding quality is improved.

Description

Multi-gun barrel film blowing machine

Technical Field

The invention relates to the technical field of plastic packaging bag production, in particular to a multi-barrel film blowing machine.

Background

The film blowing machine heats and melts plastic particles and blows the plastic particles into a bubble film, and the blown cylindrical bubble film forms a packaging bag after cooling, edge folding, printing, plastic packaging and punching, wherein the bubble film blown by the film blowing machine needs to be stabilized by a bubble stabilizing mechanism in the cooling process; in the edge folding process, the traditional edge folding mechanism has poor compatibility and can only carry out edge folding on the packaging bag with a single size, so that the edge folding effects of the packaging bags with different sizes are greatly different; in addition, if the film is directly printed, the adhesion force of the ink is poor, in order to increase the adhesion force of the ink on the film, the cooled film needs to be subjected to corona treatment, the surface roughness and the surface area of the film can be increased through the corona treatment, so that the film has higher adhesion, and therefore, a polarizing device for a film blowing machine needs to be designed, so that the printing quality of the film of the packaging bag is improved.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides a multi-barrel film blowing machine.

In order to achieve the purpose, the technical scheme provided by the invention is as follows: a multi-gun-barrel film blowing machine comprises an extrusion station, a bubble stabilizing mechanism, a flanging mechanism, a rotary traction device, a deviation correcting device, a corona treatment device and a winding device, wherein the bubble stabilizing mechanism, the flanging mechanism, the rotary traction device, the deviation correcting device, the corona treatment device and the winding device are arranged at different heights through a frame;

the film blowing machine head is provided with a base, an air box externally connected with an air blower, a machine head main body, an air ring and an air pipe from bottom to top in sequence; the machine head main body is connected with a plurality of extrusion gun barrels, a core rod is arranged in the machine head main body, an annular flow channel is formed between the outer wall of the core rod and the inner cavity wall of the machine head main body, an air channel communicated with an air pipe and an air box is arranged in the core rod, the air pipe is composed of an inner pipe and an outer pipe, the inner pipe is in threaded connection with the top of the hollow outer pipe, the inner pipe extends upwards to the height of a bubble stabilizing mechanism, a funnel-shaped air return port is arranged at the top of the inner pipe, three air outlet discs are coaxially arranged at the position of the outer pipe, which is at the same height as an air ring, each air outlet disc comprises an upper disc body and a lower disc body which are arranged up and down, an annular air outlet is formed in a gap between the upper disc body and;

the foam stabilizing mechanism comprises a foam stabilizing support and a foam stabilizing frame which are fixed on the frame, wherein a lifting driving assembly for driving the foam stabilizing frame to lift is arranged on the foam stabilizing support, eight groups of foam stabilizing assemblies which are arranged in a staggered mode are arranged on the foam stabilizing frame, a plurality of foam stabilizing rods of the foam stabilizing assembly are arranged on an adjusting rod side by side, the adjusting rods are arranged on the foam stabilizing frame at equal angles, and an adjusting driving assembly for synchronously driving the adjusting rods is arranged on the foam stabilizing frame; a connecting rod is vertically connected among a plurality of foam stabilizing rods of the same foam stabilizing assembly, and a sleeve is sleeved on each foam stabilizing rod;

a turntable driven by a rotary motor is arranged on a track of the rack, an installation frame and a fixed frame are respectively arranged on the upper side and the lower side of the turntable, the edge folding mechanism is arranged on the fixed frame, and the rotary traction device is arranged on the installation frame;

the edge folding mechanism comprises a herringbone frame and edge folding knives, the herringbone frame and the edge folding knives are arranged on the fixed frame in an adjustable manner, guide rollers for guiding the bubble films are arranged on the herringbone frame, the two edge folding knives are symmetrically arranged in the herringbone frame, the inner sides of the edge folding knives are provided with guide surfaces for guiding the bubble films to be folded inwards, and the guide surfaces are inclined from the outer sides of the bubble films to the inner sides; the herringbone frame is provided with a feeding port and a discharging port, the opening of the feeding port is larger than that of the discharging port, and a cylindrical bubble film enters the herringbone frame from the feeding port and is clamped into a thin cake-shaped material belt from the discharging port; the edge folding knife is in a tetrahedron shape, and the width and the thickness of the edge folding knife are gradually reduced and increased from the feeding port to the discharging port;

the rotary traction device comprises a portal frame arranged above the turntable, a rotating shaft arranged between the portal frame and the mounting frame, a gear transmission assembly arranged on the rotating shaft, a first guide roller, a second guide roller, a third guide roller, a fourth guide roller and a fifth guide roller, wherein the first guide roller and the second guide roller are arranged on the mounting frame, and the gear transmission assembly is in transmission connection with the third guide roller, the fourth guide roller and the fifth guide roller respectively;

corona treatment device includes electrically insulated corona frame, be provided with the corona deflector roll that a plurality of guide film material were taken on the corona frame and carry out corona treatment's the subassembly that discharges to film material area both sides face, the subassembly that discharges is including fixing conducting rod, a plurality of discharge block that set up on the conducting rod side by side on the corona frame, the rotatable setting of discharge block is on the conducting rod, corona frame parallel arrangement has the supporting seat that supports the discharge block in conducting rod below.

In the technical scheme, the adjusting driving assembly comprises an adjusting gear, a synchronous chain and an adjusting motor, wherein the adjusting gear, the synchronous chain and the adjusting motor are fixed at the tail end of the adjusting rod, and the adjusting motor is in transmission connection with the adjusting gear through the synchronous chain.

In the technical scheme, the lifting driving assembly comprises a lifting screw, a first transmission gear, a second transmission gear, a transmission chain and a lifting motor; a plurality of lifting screw equiangular settings on the steady bubble support and with steady bubble nut seat threaded connection on the frame, first drive gear fixes on lifting screw, is provided with second drive gear between two adjacent first drive gear, elevator motor is connected with first drive gear transmission through transmission material platform.

In the technical scheme, a first adjusting screw for adjusting the opening width of the propeller strut and a second adjusting screw for adjusting the position of the flanging knife are arranged on the fixed frame, and the first adjusting screw and the second adjusting screw are both in threaded connection with the fixed frame; the first adjusting screw and the second adjusting screw are both provided with hand wheels, and the tail end of the second adjusting screw abuts against the outer wall of the edge folding knife.

In the technical scheme, the propeller strut is provided with a connecting seat, an adjusting connecting rod penetrates through the connecting seat, and the tail end of the first adjusting screw rod is connected with the tail end of the adjusting connecting rod.

In the technical scheme, the rack is provided with a round hole, the mounting rack is positioned in the round hole, and the track is coaxially arranged on the outer circumference of the round hole; the track comprises a plurality of bearing pulleys, a plurality of side pulleys and an annular slide rail arranged at the bottom of the turntable, the bearing pulleys and the side pulleys are arranged on the outer circumference of the round hole at equal angles, the bearing pulleys are connected with the bottom surface of the slide rail in a sliding manner, and the side pulleys are connected with the outer side wall of the slide rail in a sliding manner; the bearing pulleys and the side pulleys are installed on the rack through C-shaped installation seats.

In the above technical scheme, the rotating electrical machines sets up in the track outside, the drive end of rotating electrical machines is provided with driving belt, the lateral wall at the slide rail is established to the driving belt cover, driving belt and sideslip wheel respectively with upper portion, the sub-unit connection of slide rail lateral wall.

In the above technical scheme, the discharge block comprises counter weight portion, connecting portion, discharge portion and U style of calligraphy discharge head in proper order, connecting portion are provided with the through-hole that supplies the conducting rod to pass, the inner wall of through-hole and the surperficial sliding contact of conducting rod.

In the above technical scheme, the supporting seat is L-shaped, the supporting seat is provided with a first supporting part and a second supporting part, the discharging part of the discharging block abuts against the first supporting part to form a working state, and the discharging block rotates and abuts against the second supporting part to form a second state.

In the technical scheme, the corona frame is U style of calligraphy, a plurality of corona deflector rolls, conducting rod, supporting seat are fixed between the both sides wall of corona frame, still are provided with the dead lever between this both sides wall, the bottom of corona frame is provided with the type hole that supplies the film material area to pass.

The invention has the beneficial effects that the structure is reasonable, the design is novel, the practicability is strong, the five barrels are connected together through the machine head main body, the multi-layer film co-extrusion is realized, the shape of the blown film is kept stable through the three annular air outlets of the air pipe and the funnel-shaped air return opening at the top, the consistency of the thickness of the film is improved, and the damage of the air quantity is reduced.

The height of the bubble stabilizing frame is adjusted through the lifting driving assembly, and the inclination angles among the multiple groups of bubble stabilizing assemblies are synchronously adjusted through the adjusting driving assembly, so that the distance among the multiple groups of bubble stabilizing assemblies is adjusted according to bubble films of different sizes, the stability of the bubble films is ensured, and the compatibility of the bubble stabilizing mechanism is improved.

The opening size of the propeller strut is adjusted through a plurality of first adjusting screws, the distance between the two edge folding knives and the inclination angle of the guide surface are adjusted through second adjusting screws, so that the edge folding depth of the bubble film is adjusted, the bubble films with different sizes are compatible, and the edge folding quality of the bubble film is improved; the edge folding knife has a tetrahedron structure with a narrow top and a wide bottom, and a thick top and a thin bottom, so that the bubble film is guided to be folded smoothly, and the edge folding quality is further improved.

Through setting up the carousel weight that bears on the frame track, improve the stationarity of operation, frictional force when reducing the carousel rotation through a plurality of bearing pulleys and a plurality of side pulley, the position of limiting the carousel through a plurality of side pulleys guarantees the concentricity when the carousel rotates.

Through rotatable discharge piece, bring the selection according to the not unidimensional film material and lean on the discharge piece at first supporting part, it is extravagant to reduce the energy to the energy saving carries out corona treatment through discharge piece to the film material area, makes film surface molecule oxidation and polarization, in order to increase the adhesion ability of film surface to printing ink, through the corona frame that electrically insulating material made, guarantees corona treatment process's security.

Drawings

Fig. 1 is a schematic structural view of the present invention.

FIG. 2 is a schematic diagram of an extrusion station.

Fig. 3 is a (one) schematic structural diagram of the bubble stabilizing mechanism.

FIG. 4 is a schematic structural diagram (two) of the bubble stabilizing mechanism.

Fig. 5 is a structural schematic diagram (one) of the hemming mechanism.

FIG. 6 is a schematic structural view (two) of the folding mechanism.

Fig. 7 is a schematic view of the structure of the hemming cutter.

Fig. 8 is a schematic view of the structure of the rotary traction device.

Fig. 9 is a schematic perspective view (one of) the corona treatment device.

Fig. 10 is a schematic (second) perspective view of the corona treatment device.

Fig. 11 is a schematic plan view of the corona treatment device.

In the figure: 1. extruding the gun barrel; 11. a base; 12. a handpiece main body; 13. an upper tray body; 14. an air outlet; 15. a lower tray body; 16. an inner tube; 17. an air return opening; 2. a frame; 21. a turntable; 23. a mounting frame; 24. a fixed mount;

3. a foam stabilizing mechanism; 31. a foam stabilizing bracket; 32. a foam stabilizing frame; 321. adjusting a rod; 322. a connecting rod; 331. a lifting motor; 332. a first drive gear; 333. a second transmission gear; 334. a lifting screw; 335. a nut seat; 341. adjusting the motor; 342. an adjusting gear; 35. a bubble stabilizing rod; 351. a fixed section; 352. a foam stabilizing section; 353. a sleeve;

4. a flanging mechanism; 42. a herringbone frame; 421. a guide roller; 422. a connecting seat; 423. a long round hole; 424. adjusting the connecting rod; 201. a feeding port; 202. a discharge port; 43. a flanging knife; 431. a guide surface; 441. a first adjusting screw; 442. a second adjusting screw; 45. a hand wheel;

5. a rotary traction device; 56. a gantry; 57. a rotating shaft; 58. a fluted disc; 59. a gear; 510. a first guide roller; 511. a second guide roller; 512. a third guide roller; 513. a fourth guide roller; 514. a fifth guide roller; 515. a circular hole; 516. a slide rail; 517. a load-bearing pulley; 518. a side pulley; 519. a mounting seat; 6. a deviation correcting device;

7. a corona treatment device; 71. a corona frame; 711. fixing the rod; 712. a hole is formed; 721. a sixth guide roller; 722. a seventh guide roller; 723. an eighth guide roller; 724. a ninth guide roller; 731. a conductive rod; 732. a first support section; 733. a second support portion; 74. a discharge block; 741. a counterweight portion; 742. a connecting portion; 743. a discharge section; 744. a discharge head; 710. a film material belt; 8. a winding device.

Detailed Description

Embodiments of the present invention will be described with reference to the accompanying drawings.

As shown in fig. 1-11, a multi-barrel film blowing machine comprises an extrusion station, and a bubble stabilizing mechanism 3, a flanging mechanism 4, a rotary traction device 5, a deviation correcting device 6, a corona treatment device 7 and a winding device 8 which are arranged at different heights through a frame 2;

the extrusion station is provided with a film blowing machine head and a plurality of extrusion gun barrels 1 which are arranged on the outer circumference of the film blowing machine head at intervals, and the film blowing machine head is sequentially provided with a base 11, an air box externally connected with an air blower, a machine head main body 12, an air ring and an air pipe from bottom to top; the machine head main body 12 is connected with a plurality of extrusion gun barrels 1, a core rod is arranged in the machine head main body 12, an annular flow channel is formed between the outer wall of the core rod and the inner cavity wall of the machine head main body 12, an air channel communicated with an air pipe and an air box is arranged in the core rod, the air pipe is composed of an inner pipe 16 and an outer pipe, the inner pipe 16 is in threaded connection with the top of the hollow outer pipe, the inner pipe 16 extends upwards to the height of the bubble stabilizing mechanism 3, a funnel-shaped air return port 17 is arranged at the top of the inner pipe 16, three air outlet discs are coaxially arranged at the position of the outer pipe with the same height as the air ring, each air outlet disc comprises an upper disc body 13 and a lower disc body 15 which are arranged up and down, a gap between the upper disc body 13 and the lower disc body;

the foam stabilizing mechanism 3 comprises a foam stabilizing support 31 and a foam stabilizing frame 32 which are fixed on the frame 2, wherein a lifting driving assembly for driving the foam stabilizing frame 32 to lift is arranged on the foam stabilizing support 31, eight groups of foam stabilizing assemblies which are arranged in a staggered mode are arranged on the foam stabilizing frame 32, a plurality of foam stabilizing rods 35 of the foam stabilizing assemblies are arranged on an adjusting rod 321 side by side, the adjusting rods 321 are arranged on the foam stabilizing frame 32 at equal angles, and an adjusting driving assembly for synchronously driving the adjusting rods 321 is arranged on the foam stabilizing frame 32; a connecting rod 322 is vertically connected among a plurality of foam stabilizing rods 35 of the same foam stabilizing assembly, and a sleeve 353 is sleeved on each foam stabilizing rod 35;

a turntable 21 driven by a rotary motor is arranged on a track of the rack 2, an installation frame 23 and a fixed frame 24 are respectively arranged on the upper side and the lower side of the turntable 21, the edge folding mechanism 4 is arranged on the fixed frame 24, and the rotary traction device 5 is arranged on the installation frame 23;

the edge folding mechanism 4 comprises a herringbone frame 42 and edge folding knives 43, the herringbone frame 42 and the edge folding knives 43 are adjustably arranged on the fixed frame 24, guide rollers 421 for guiding the bubble films are arranged on the herringbone frame 42, the two edge folding knives 43 are symmetrically arranged in the herringbone frame 42, guide surfaces 431 for guiding the bubble films to fold inwards are arranged on the inner sides of the edge folding knives 43, the guide surfaces 431 incline inwards from the outer sides of the bubble films, the inclination angle can be adjusted between 0 and 30 degrees, when the rotary traction device rotates, the inclination angle is 0 degree, the guide surfaces are used as bubble stabilizing planes, and when the rotary traction device does not perform rotary traction or the speed of the rotary traction is low, the inclination angle is 30 or 10 degrees, so that the bubble films are folded inwards; the propeller strut 42 is provided with a feeding port 201 and a discharging port 202, the opening of the feeding port 201 is larger than that of the discharging port 202, and a cylindrical bubble film enters the propeller strut 42 from the feeding port 201 and is clamped into a thin cake-shaped material belt from the discharging port 202; the edge folding knife 43 is in a tetrahedron shape, and the width and the thickness of the edge folding knife 43 are gradually reduced and increased from the material inlet 201 to the material outlet 202;

the rotary traction device 5 comprises a portal frame 56 arranged above the turntable 21, a rotating shaft 57 arranged between the portal frame 56 and the mounting frame 23, a gear transmission assembly arranged on the rotating shaft 57, a first guide roller 510, a second guide roller 511, a third guide roller 512, a fourth guide roller 513 and a fifth guide roller 514, wherein the first guide roller 510 and the second guide roller 511 are arranged on the mounting frame 23, and the gear transmission assembly is in transmission connection with the third guide roller 512, the fourth guide roller 513 and the fifth guide roller 514 respectively; the gear assembly includes a plurality of toothed discs 58 and gears 59.

The corona treatment device 7 comprises an electrically insulated corona frame 71, a plurality of corona guide rollers 421 for guiding the film material strips 710 and a discharge assembly for performing corona treatment on two side surfaces of the film material strips 710 are arranged on the corona frame 71, the discharge assembly comprises a conductive rod 731 fixed on the corona frame 71 and a plurality of discharge blocks 74 arranged on the conductive rod 731 side by side, the discharge blocks 74 are rotatably arranged on the conductive rod 731, and a support seat for supporting the discharge blocks 74 is arranged below the conductive rod 731 of the corona frame 71 in parallel.

The adjusting driving assembly comprises an adjusting gear 342 fixed at the end of the adjusting rod 321, a synchronous chain and an adjusting motor 341, and the adjusting motor 341 is in transmission connection with the adjusting gear 342 through the synchronous chain.

The lifting driving component comprises a lifting screw 334, a first transmission gear 332, a second transmission gear 333, a transmission chain and a lifting motor 331; a plurality of lifting screw rods 334 are arranged on the foam stabilizing support 31 at equal angles and are in threaded connection with nut seats 335 on the foam stabilizing support 32, first transmission gears 332 are fixed on the lifting screw rods 334, a second transmission gear 333 is arranged between every two adjacent first transmission gears 332, and a lifting motor 331 is in transmission connection with the first transmission gears 332 through a transmission material table. The bubble stabilizing rod 3 is composed of a fixed section 351 and a bubble stabilizing section 352, an included angle of 150 degrees is formed between the bubble stabilizing section 352 and the fixed section 351, and the fixed section 351 of the bubble stabilizing rod 35 is fixed on the adjusting rod 321 and the connecting rod 322 through screws. The bubble stabilizing section 352 of the bubble stabilizing rod 35 is sleeved with a sleeve 353.

A first adjusting screw 441 for adjusting the opening width of the propeller strut 42 and a second adjusting screw 442 for adjusting the position of the flanging knife 43 are arranged on the fixed frame 24, and the first adjusting screw 441 and the second adjusting screw 442 are both in threaded connection with the fixed frame 24; the first adjusting screw 441 and the second adjusting screw 442 are both provided with hand wheels 45, and the tail end of the second adjusting screw 442 abuts against the outer wall of the flanging knife 43.

The propeller strut 42 is provided with a connecting seat 422 with a shaped hole 712, a long round hole 423 on the connecting seat 422 is provided with an adjusting connecting rod 424 in a penetrating way, and the tail end of the first adjusting screw 441 is connected with the tail end of the adjusting connecting rod 424.

The rack 2 is provided with a round hole 515, the mounting frame 23 is positioned in the round hole 515, and the track is coaxially arranged on the outer circumference of the round hole 515; the track comprises a plurality of bearing pulleys 517, a plurality of side pulleys 518 and an annular sliding rail 516 arranged at the bottom of the turntable 21, the bearing pulleys 517 and the side pulleys 518 are arranged on the outer circumference of the round hole 515 at equal angles, the bearing pulleys 517 are connected with the bottom surface of the sliding rail 516 in a sliding manner, and the side pulleys 518 are connected with the outer side wall of the sliding rail 516 in a sliding manner; the bearing pulleys 517 and the side pulleys 518 are both mounted on the frame 2 by C-shaped mounts 519.

The rotating motor is arranged on the outer side of the track, a driving belt is arranged at the driving end of the rotating motor and sleeved on the outer side wall of the sliding rail 516, and the driving belt and the side pulley 518 are respectively connected with the upper part and the lower part of the outer side wall of the sliding rail 516.

The discharging block 74 is composed of a weight portion 741, a connecting portion 742, a discharging portion 743 and a U-shaped discharging head 744 in sequence, the connecting portion 742 is provided with a through hole through which the conductive rod 731 passes, and the inner wall of the through hole is in sliding contact with the surface of the conductive rod 731.

The support base is L-shaped, and has a first support part 732 and a second support part 733, the discharge part 743 of the discharge block 74 abuts against the first support part 732 to form a working state, and the discharge block 74 rotates and abuts against the second support part 733 to form a second state.

The corona frame 71 is U-shaped, the plurality of corona guide rollers 421, the conductive rods 731 and the supporting base are fixed between two side walls of the corona frame 71, a fixing rod 711 is further arranged between the two side walls, and a shaped hole 712 for the film material belt 710 to pass through is arranged at the bottom of the corona frame 71. The plurality of guide rollers comprise a sixth guide roller 721, a seventh guide roller 722, an eighth guide roller 723 and a ninth guide roller 724, the cooled film material belt 710 is drawn by the sixth guide roller 721 and passes through the seventh guide roller 722, the eighth guide roller 723 and the ninth guide roller 724, the conductive rods 731 and the discharge blocks 74 are arranged outside the seventh guide roller 722 and the eighth guide roller 723, the discharge blocks 74 discharge against the film material belt 710 passing through the guide rollers under the support of the first support part 732 of the support seat to perform corona treatment on the film material belt 710, and the film material belt 710 passes through the ninth guide roller 724 and then passes through the holes 712 to the printing process.

The multi-layer film co-extrusion machine is reasonable in structure, novel in design and high in practicability, five barrels are connected together through the machine head main body 12, multi-layer film co-extrusion is achieved, the shape of film blowing is kept stable through the three annular air outlets 14 of the air pipes and the funnel-shaped air return opening 17 in the top, meanwhile, the consistency of the thickness of the film is improved, and meanwhile, damage to air quantity is reduced.

Adjust the height of steady bubble frame 32 through lift drive assembly, come the inclination between the synchronous regulation multiunit steady bubble subassembly through adjusting drive assembly to the realization adjusts the distance between the multiunit steady bubble subassembly according to the bubble film of equidimension not, guarantees the stability of bubble film, improves the compatibility of steady bubble mechanism 3.

The opening size of the propeller strut 42 is adjusted through a plurality of first adjusting screws 441, the distance between the two edge folding knives 43 and the inclination angle of the guide surface 431 are adjusted through second adjusting screws 442, so that the edge folding depth of the bubble film is adjusted, bubble films with different sizes are compatible, and the edge folding quality of the bubble film is improved; the edge folding knife 43 has a tetrahedron structure with a narrow top and a wide bottom, and a thick top and a thin bottom, so that the bubble film is guided to be folded smoothly, and the edge folding quality is further improved.

Through setting up carousel 21 bearing weight on 2 tracks on the frame, improve the stationarity of operation, reduce the frictional force when carousel 21 rotates through a plurality of bearing pulleys 517 and a plurality of side pulley 518, prescribe a limit to the position of carousel 21 through a plurality of side pulley 518, the concentricity when guaranteeing carousel 21 to rotate.

Through rotatable discharge piece 74, select the discharge piece 74 that leans on at first supporting part 732 according to the film material area 710 of different sizes, reduce the energy waste to the energy saving carries out corona treatment through discharge piece 74 to film material area 710, makes film surface molecule oxidation and polarization, in order to increase the adhesion ability of film surface to printing ink, through corona frame 71 that electrically insulating material made, guarantees corona treatment process's security.

The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. A multi-gun-barrel film blowing machine is characterized by comprising an extrusion station, a bubble stabilizing mechanism, a flanging mechanism, a rotary traction device, a deviation correcting device, a corona treatment device and a winding device, wherein the bubble stabilizing mechanism, the flanging mechanism, the rotary traction device, the deviation correcting device, the corona treatment device and the winding device are arranged at different heights through a frame;

2. The multi-barrel film blowing machine according to claim 1, wherein the adjusting driving assembly comprises an adjusting gear fixed at the end of the adjusting rod, a synchronous chain and an adjusting motor, and the adjusting motor is in transmission connection with the adjusting gear through the synchronous chain.

3. The multi-barrel film blowing machine according to claim 2, wherein the lifting driving assembly comprises a lifting screw, a first transmission gear, a second transmission gear, a transmission chain, a lifting motor; a plurality of lifting screw equiangular settings on the steady bubble support and with steady bubble nut seat threaded connection on the frame, first drive gear fixes on lifting screw, is provided with second drive gear between two adjacent first drive gear, elevator motor is connected with first drive gear transmission through transmission material platform.

4. The multi-barrel film blowing machine according to claim 3, wherein a first adjusting screw for adjusting the opening width of the propeller strut and a second adjusting screw for adjusting the position of the flanging knife are arranged on the fixed frame, and the first adjusting screw and the second adjusting screw are both in threaded connection with the fixed frame; the first adjusting screw and the second adjusting screw are both provided with hand wheels, and the tail end of the second adjusting screw abuts against the outer wall of the edge folding knife.

5. The multi-barrel film blowing machine according to claim 4, wherein a connecting seat is arranged on the propeller strut, an adjusting connecting rod is arranged on the connecting seat in a penetrating mode, and the tail end of the first adjusting screw rod is connected with the tail end of the adjusting connecting rod.

6. The multi-barrel film blowing machine according to claim 5, wherein the frame is provided with a circular hole, the mounting frame is located in the circular hole, and the rail is coaxially arranged on the outer circumference of the circular hole; the track comprises a plurality of bearing pulleys, a plurality of side pulleys and an annular slide rail arranged at the bottom of the turntable, the bearing pulleys and the side pulleys are arranged on the outer circumference of the round hole at equal angles, the bearing pulleys are connected with the bottom surface of the slide rail in a sliding manner, and the side pulleys are connected with the outer side wall of the slide rail in a sliding manner; the bearing pulleys and the side pulleys are installed on the rack through C-shaped installation seats.

7. The multi-gun barrel film blowing machine according to claim 6, wherein the rotating motor is arranged outside the rail, the driving end of the rotating motor is provided with a driving belt, the driving belt is sleeved on the outer side wall of the slide rail, and the driving belt and the side slipping wheel are respectively connected with the upper part and the lower part of the outer side wall of the slide rail.

8. The multi-barrel film blowing machine according to claim 7, wherein the discharging block is composed of a weight portion, a connecting portion, a discharging portion and a U-shaped discharging head in sequence, the connecting portion is provided with a through hole for the conductive rod to pass through, and the inner wall of the through hole is in sliding contact with the surface of the conductive rod.

9. The multi-barrel film blowing machine of claim 8, wherein the support base is L-shaped, the support base has a first support portion and a second support portion, the discharge portion of the discharge block is brought into an operating state against the first support portion, and the discharge block is rotated and brought into a second state against the second support portion.

10. The multi-barrel film blowing machine according to claim 9, wherein said corona frame is U-shaped, said plurality of corona guide rollers, conductive rods, and supporting bases are fixed between two side walls of said corona frame, a fixing rod is further disposed between said two side walls, and a hole for passing said film material belt is disposed at the bottom of said corona frame.