Vertical PVC (polyvinyl chloride) film blowing machine with rotatable main machine

Abstract

The invention belongs to the technical field of film blowing machines, and particularly relates to a vertical PVC film blowing machine with a rotatable main engine, the vertical PVC film blowing machine comprises a rack, the main engine, a material barrel, a connecting pipe, a feeding pipe and a winding box, two discs are rotatably assembled in the winding box, a tension roller is concentrically and rotatably assembled between the two discs, and a cutter is slidably assembled between the two discs; a bearing plate is slidably assembled in the winding box, two supporting rods are slidably assembled on the upper side of the bearing plate, a winding roller is rotatably assembled on the upper sides of the two supporting rods jointly, a control assembly matched with the winding roller is arranged in the winding box, and a driving part matched with the disc and the tension roller is arranged in the winding box; the driving piece drives the disc and the tension roller to rotate, the disc drives the winding roller to rotate, the cutter cuts off the film, the new winding roller winds the film, meanwhile, the bearing plate moves the wound winding roller for discharging, the disc places the new winding roller on the upper side of the supporting rod, and therefore efficient and continuous production of the film is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of film blowing machines, and in particular relates to a vertical PVC film blowing machine with a rotatable main machine. Background Art

[0002] In the field of plastic film processing, PVC rotary film blowing machine is a key equipment widely used in the production of PVC film. It makes plastic films of different specifications through extrusion, blowing, cooling and other processes. It is used in packaging, agricultural covering, building waterproofing and other fields. Traditional film blowing machines require a large production space, and traditional film blowing machines require manual picking of the winding roller when changing rolls, which increases the labor intensity and energy of workers. Therefore, a vertical PVC film blowing machine with a rotatable main unit is needed to solve the above problems. Summary of the invention

[0003] The purpose of the present invention is to provide a vertical PVC film blowing machine with a rotatable main machine, wherein a disc and a tension roller are driven to rotate by a driving member, the disc drives a winding roller to rotate along a guide groove, a cutter cuts the film, a new winding roller winds the film, and a carrying plate moves the wound winding roller to discharge the material, and the disc places the new winding roller on the upper side of a support rod, thereby realizing efficient and continuous production of the film, reducing the labor intensity of workers and reducing production costs.

[0004] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows: A vertical PVC film blowing machine with a rotatable mainframe, comprising a frame, a mainframe, a material barrel, a connecting pipe, a feeding pipe and a winding box, wherein the mainframe is rotatably mounted on the upper side of the frame, the material barrel is mounted on the upper side of the mainframe, the feeding pipe is coaxially rotatably mounted on the upper side of the mainframe, the connecting pipe is fixedly mounted between the material barrel and the feeding pipe, the winding box is fixedly mounted on the upper side of the frame, two discs symmetrically distributed front and back are rotatably mounted inside the winding box, a tension roller is coaxially mounted between the two discs, a film cutting box is fixedly mounted between the two discs, a film cutting box is slidably mounted inside the film cutting box The knife, a discharging screw is rotatably mounted inside the reel box, a carrying plate matching the discharging screw is slidably mounted inside the reel box, a discharging motor is installed inside the reel box, the discharging motor is transmission-connected to the discharging screw, two support rods symmetrically distributed on the front and rear sides are slidably mounted on the upper side of the carrying plate, a spring is commonly fixed between the side walls of the two support rods and the side walls of the carrying plate, a reel roller is rotatably mounted on the upper sides of the two support rods, a control component matching the reel roller is arranged inside the reel box, and a driving member matching the disc and the tension roller is arranged inside the reel box; The control component includes a card slot that matches the winding roller and is provided on both of the two discs, and a guide slot that matches the winding roller is provided on the front and rear side walls inside the winding box, and the guide slot includes an arc groove, an inclined groove, a first transverse groove and a second transverse groove. The lower side of the inclined groove is interconnected with the lower side of the arc groove, the upper side of the inclined groove is interconnected with the first transverse groove, the second transverse groove is interconnected with the first transverse groove and the upper side of the arc groove, the arc groove matches the card slot, and the arc groove matches the two support rods.

[0005] The driving member includes a disc with a rotating hole, short shafts matching the rotating hole are concentrically fixed on the front and rear sides of the tension roller, a first gear is concentrically fixed on the short shaft on one side, a tension motor is installed on the same side of the winding box and the first gear, a second gear matching the first gear is concentrically fixed on the output shaft of the tension motor, a cylinder is concentrically fixed on the outer side of the disc, a gear ring is concentrically fixed on the cylinder on one side, a roller motor is installed on the same side of the winding box and the gear ring, and a third gear meshing with the gear ring is concentrically fixed on the output shaft of the roller motor.

[0006] A material unloading part is provided inside the winding box, and the material unloading part includes an arc plate slidably mounted on the upper side of the carrying plate, two linearly distributed electric telescopic rods are fixedly mounted on the lower side of the carrying plate, and the output ends of the two electric telescopic rods are fixedly connected to the arc plate, and placement plates matching the arc plate are fixedly mounted on the front and rear sides of the winding box, and limit plates matching the winding roller are rotatably mounted on the front and rear side walls inside the winding box.

[0007] The reel is provided with a roller-changing member matching the reeling roller, and the roller-changing member includes circular grooves that are formed on the front and rear side walls of the reeling box and are interconnected with the first transverse groove, and the reeling box is rotatably equipped with a roller-changing wheel that matches the circular groove, and a roller-changing motor is installed on one side of the reeling box, and the output shaft of the roller-changing motor is transmission connected with the roller-changing wheel. A storage groove that matches the reeling roller is opened on the side wall of the reeling box, and a circular hole that matches the storage groove is opened on one side of the reeling box. An inclined plate matching the circular hole is fixedly provided on the side wall of the reeling box, and a circular ring matching the reeling roller is slidably installed on the upper side of the inclined plate, and the side wall of the reeling box is rotatably equipped with a core feeding screw matching the circular ring, and a core feeding motor is installed on the side wall of the reeling box, and the core feeding motor is transmission connected with the core feeding screw.

[0008] A moving part matching the cutter is provided in the film cutting box, and the moving part includes a film cutting screw matching the cutter which is rotatably mounted in the film cutting box, a fourth gear is concentrically fixedly provided on one side of the film cutting screw, a film cutting motor is installed in the film cutting box, a fifth gear matching the fourth gear is concentrically fixedly provided on the output shaft of the film cutting motor, both of the two discs are provided with elliptical holes matching the film cutting screw, and annular guide grooves matching the film cutting screw are provided on the front and rear side walls inside the winding box.

[0009] The upper sides of the arc plate and the two placement plates are rotatably equipped with a plurality of linearly distributed balls.

[0010] A guide plate is fixedly provided on the upper side of the inclined plate.

[0011] The present invention drives the disc and the tension roller to rotate through a driving member, the disc drives the winding roller to rotate along the guide groove, the cutter cuts the film, and a new winding roller winds the film, while the supporting plate moves the wound winding roller to discharge the material, and the disc places the new winding roller on the upper side of the support rod, thereby realizing efficient and continuous production of the film, reducing the labor intensity of workers and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention is further illustrated by means of the non-limiting examples given in the accompanying drawings.

[0013] Figure 1 It is a structural schematic diagram of an embodiment of a vertical PVC film blowing machine with a rotatable main machine of the present invention; Figure 2 The structure of the winding box in the embodiment of the vertical PVC film blowing machine with a rotatable main machine of the present invention is schematically shown. Figure 1 ; Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle; Figure 4 for Figure 2 A schematic diagram of the enlarged structure at B in the middle; Figure 5 The structure of the winding box in the embodiment of the vertical PVC film blowing machine with a rotatable main machine of the present invention is schematically shown. Figure 2 ; Figure 6 for Figure 5 Schematic diagram of the enlarged structure at C in the middle; Figure 7 The structure of the winding box in the embodiment of the vertical PVC film blowing machine with a rotatable main machine of the present invention is schematically shown. Figure 3 ; Figure 8The cross-sectional structure of the winding box in the embodiment of the vertical PVC film blowing machine with a rotatable main machine of the present invention is shown in FIG. Figure 1 ; Fig. 9 for Figure 8 Schematic diagram of the enlarged structure at D in the middle; Fig.10 The cross-sectional structure of the winding box in the embodiment of the vertical PVC film blowing machine with a rotatable main machine of the present invention is shown in FIG. Figure 2 .

[0014] The main component symbols are described as follows: Frame 1, main machine 10, material barrel 101, connecting pipe 102, feeding pipe 103, winding box 12, disc 13, tension roller 14, film cutting box 15, cutter 16, discharging screw 17, bearing plate 18, discharging motor 19, support rod 20, spring 21, winding roller 22, card slot 25, guide slot 26, arc slot 27, inclined slot 28, first transverse slot 29, second transverse slot 30, first gear 31, tension motor 32, first gear 33, second gear 34, first gear 35, second gear 36, first gear 37, second gear 38, first gear 39, second gear 40, first gear 41, second gear 42, first gear 43, first gear 44, first gear 45, first gear 46, first gear 47, first gear 48, first gear 49, first gear 50, first gear 51, first gear 52, first gear 53, first gear 54, first gear 55, first gear 56, first gear 57, first gear 58, first gear 59, first gear 5 The second gear 33, the cylinder 34, the gear ring 35, the roller motor 36, the third gear 37, the arc plate 40, the electric telescopic rod 41, the placement plate 42, the limit plate 43, the roller changing wheel 50, the roller changing motor 51, the storage groove 52, the inclined plate 53, the ring 54, the core feeding screw 55, the core feeding motor 56, the film cutting screw 60, the fourth gear 61, the film cutting motor 62, the fifth gear 63, the annular guide groove 64, the ball 70, and the guide plate 71. DETAILED DESCRIPTION

[0015] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0016] like Figure 1-10As shown, a vertical PVC film blowing machine with a rotatable mainframe of the present invention comprises a frame 1, a mainframe 10, a barrel 101, a connecting pipe 102, a feeding pipe 103 and a winding box 12, wherein the mainframe 10 is rotatably mounted on the upper side of the frame 1, the barrel 101 is mounted on the upper side of the mainframe 10, the feeding pipe 103 is coaxially rotatably mounted on the upper side of the mainframe 10, the connecting pipe 102 is fixedly mounted between the barrel 101 and the feeding pipe 103, the winding box 12 is fixedly mounted on the upper side of the frame 1, two discs 13 symmetrically distributed front and back are rotatably mounted inside the winding box 12, a tension roller 14 is coaxially rotatably mounted between the two discs 13, a film cutting box 15 is fixedly mounted between the two discs 13, and the film cutting box 15 A cutter 16 is slidably mounted inside the winding box 12, a discharging screw 17 is rotatably mounted inside the winding box 12, a bearing plate 18 matching the discharging screw 17 is slidably mounted inside the winding box 12, a discharging motor 19 is installed inside the winding box 12, the discharging motor 19 is transmission-connected to the discharging screw 17, two support rods 20 symmetrically distributed on the front and rear sides are slidably mounted on the upper side of the bearing plate 18, a spring 21 is fixedly mounted between the side walls of the two support rods 20 and the side walls of the bearing plate 18, a winding roller 22 is rotatably mounted on the upper sides of the two support rods 20, a control component matching the winding roller 22 is arranged inside the winding box 12, and a driving member matching the disc 13 and the tension roller 14 is arranged inside the winding box 12; The control assembly includes a card slot 25 that matches the winding roller 22 and is provided on both the two discs 13. The front and rear side walls inside the winding box 12 are provided with a guide slot 26 that matches the winding roller 22. The guide slot 26 includes an arcuate slot 27, an inclined slot 28, a first transverse slot 29 and a second transverse slot 30. The lower side of the inclined slot 28 is interconnected with the lower side of the arcuate slot 27, the upper side of the inclined slot 28 is interconnected with the first transverse slot 29, the second transverse slot 30 is interconnected with the first transverse slot 29 and the upper side of the arcuate slot 27, the arcuate slot 27 matches the card slot 25, and the arcuate slot 27 matches the two support rods 20. The driving member includes a disk 13, each of which is provided with a rotating hole. A short shaft matching the rotating hole is concentrically fixed on the front and rear sides of the tension roller 14. A first gear 31 is concentrically fixed on the short shaft on one side. A tension motor 32 is installed on the same side of the winding box 12 and the first gear 31. A second gear 33 matching the first gear 31 is concentrically fixed on the output shaft of the tension motor 32. A cylinder 34 is concentrically fixed on the outer side of the disk 13. A gear ring 35 is concentrically fixed on the cylinder 34 on one side. A roller motor 36 is installed on the same side of the winding box 12 and the gear ring 35. A third gear 37 meshing with the gear ring 35 is concentrically fixed on the output shaft of the roller motor 36. During the implementation of the present invention, the barrel 101, the connecting pipe 102 and the feeding pipe 103 are all installed on the upper side of the main machine 10, thereby reducing the footprint of the equipment, and when the vertical feeding pipe 103 is feeding, gravity can be used to assist in squeezing the material downward, reducing the energy consumption of the device, and the rotating axis of the feeding pipe 103 is aligned with the center of the main machine 10. During rotation, the inertial force is symmetrically distributed, reducing vibration and noise, and extending the life of the equipment. A cooling turntable is installed in the main machine 10, and the feeding pipe 103 can synchronously control the rotation of the die head and the extrusion speed while feeding, thereby optimizing the uniformity of the film thickness. A rotating die head is installed in the main machine 10, and the rotating die head is linked with the feeding pipe 103 to dynamically adjust the film thickness and reduce the "mold line" defect. The vertical structure facilitates the inspection of key components from the top or bottom, thereby reducing downtime. When the present invention is in use, the main machine 10 rotates to extrude the film, which is pulled into the winding box 12 through the frame 1, and the tension motor 32 drives the tension roller 14 to rotate through the first gear 31 and the second gear 33, and the tension roller 14 drives the winding roller 22 on the upper side of the support rod 20 to rotate, so as to roll up the film. As the film thickness of the winding roller 22 increases, the support rod 20 is pushed away from the tension roller 14, so that the spring 21 is compressed. When the winding roller 22 is rolled to a certain thickness and the winding roller 22 needs to be rotated, the roller motor 36 drives the disc 13 on one side to rotate through the third gear 37 and the ring gear 35, and the discs 13 on both sides are synchronously shifted through the film cutting box 15, and the disc 13 drives the guide through the slot 25 The standby winding roller 22 in the groove 26 rotates, and the film cutting box 15 first lifts the film on the upper side of the tension roller 14, so that the driven winding roller 22 abuts against the tension roller 14 and rotates, and the winding roller 22 abuts against the film, and the cutter 16 moves in the film cutting box 15, so as to cut the film, and the standby winding roller 22 rotates under the drive of the tension roller 14 to rewind the film, and at the same time the disc 13 continues to drive the new winding roller 22 to rotate, and the discharging motor 19 drives the carrying plate 18 to rotate through the discharging screw 17, so that the carrying plate 18 drives the winding roller 22 and the film that have been rolled up to move to the left side of the winding box 12, so as to discharge the material, realize the automatic replacement of the winding roller 22, and improve the automation degree of the device; Furthermore, the outer side wall of the film cutting box 15 is rotatably equipped with two round rods, which ensure the normal movement of the film when it abuts against the film; The present invention drives the disc and the tension roller to rotate through a driving member, the disc drives the winding roller to rotate along the guide groove, the cutter cuts the film, and a new winding roller winds the film, while the supporting plate moves the wound winding roller to discharge the material, and the disc places the new winding roller on the upper side of the support rod, thereby realizing efficient and continuous production of the film, reducing the labor intensity of workers and reducing production costs.

[0017] A material unloading part is provided on the upper side of the winding box 12, and the material unloading part includes an arc-shaped plate 40 slidably mounted on the upper side of the carrying plate 18, two linearly distributed electric telescopic rods 41 are fixedly mounted on the lower side of the carrying plate 18, and the output ends of the two electric telescopic rods 41 are fixedly connected to the arc-shaped plate 40, and the front and rear sides of the winding box 12 are fixedly provided with a placement plate 42 matching the arc-shaped plate 40, and the front and rear side walls inside the winding box 12 are rotatably mounted with a limit plate 43 matching the winding roller 22; A roller-changing member matching the winding roller 22 is provided inside the winding box 12, and the roller-changing member includes circular grooves that are provided on the front and rear side walls inside the winding box 12 and are interconnected with the first transverse groove 29. A roller-changing wheel 50 matching the circular groove is rotatably installed in the winding box 12, a roller-changing motor 51 is installed on one side of the winding box 12, and the output shaft of the roller-changing motor 51 is transmission-connected with the roller-changing wheel 50. A storage groove 52 matching the winding roller 22 is provided on the side wall of the roller-changing wheel 50, and a circular hole matching the storage groove 52 is provided on one side of the winding box 12. An inclined plate 53 matching the circular hole is fixedly provided on the side wall of the winding box 12, and a circular ring 54 matching the winding roller 22 is slidably provided on the upper side of the inclined plate 53. A core-feeding screw 55 matching the circular ring 54 is rotatably installed on the side wall of the winding box 12, and a core-feeding motor 56 is installed on the side wall of the winding box 12, and the core-feeding motor 56 is transmission-connected with the core-feeding screw 55; During the use of the present invention, when it is necessary to unload the wound winding roller 22 and the film, after the cutter 16 cuts the film, the output end of the electric telescopic rod 41 drives the arc plate 40 to rise, and the arc plate 40 supports the film roll, so that the front and rear sides of the winding roller 22 move from the second transverse groove 30 to the first transverse groove 29, and the support rod 20 is reset under the elastic action of the spring 21, and the discharge motor 19 drives the carrying plate 18 and the film roll to move synchronously through the discharge screw 17, so that the front and rear sides of the winding roller 22 are located at The film roll is moved in the first transverse groove 29, and after the film roll is moved to align with the placement plate 42, the limiting plate 43 on one side is rotated, and the limiting plate 43 limits the winding roller 22, so that the film roll is unloaded to the upper side of the placement plate 42 on one side, and the winding roller 22 falls on the arc plate 40. The electric telescopic rod 41 drives the arc plate 40 to rise, and synchronously drives the upper winding roller 22 to rise. At the same time, the roller changing motor 51 drives the roller changing wheel 50 to rotate, and the roller changing wheel 50 drives the several winding rollers 22 in the storage groove 52 to move synchronously. The winding roller 22 aligned with the circular hole on the upper side rotates, and when the core feeding motor 56 drives the ring 54 to move through the core feeding screw 55, the winding core on the upper side of the inclined plate 53 is moved, and the winding core is sleeved on the outer wall of the winding roller 22 on the upper side, and the winding roller 22 located in the storage groove 52 on the lower side of the roller changing wheel 50 slides along the inclined groove 28 after falling, so as to roll into the arc groove 27 and abut against the side wall of the disc 13, and then the discharging motor 19 drives the carrying plate 18 to move to the lower side of the roller changing wheel 50, and the electric telescopic rod 41 drives The arc plate 40 rises, so that the winding roller 22 is located in the storage groove 52, and the roller changing motor 51 drives the roller changing wheel 50 to rotate, which drives the winding roller 22 to rotate through the storage groove 52. The supporting plate 18 moves under the drive of the discharge screw 17, so that the upper side of the support rod 20 is located on the left side of the arc groove 27, providing support for the winding roller 22 driven by the disc 13. The whole process of the winding roller 22 in the process of winding the film is completed, and there is no need to manually move the winding roller 22 and manually set the winding core, thereby improving production efficiency.

[0018] The film cutting box 15 is provided with a moving part matching the cutter 16, and the moving part includes a film cutting screw 60 rotatably mounted in the film cutting box 15 and matching the cutter 16, a fourth gear 61 is fixedly disposed concentrically on one side of the film cutting screw 60, a film cutting motor 62 is installed in the film cutting box 15, and a fifth gear 63 matching the fourth gear 61 is fixedly disposed concentrically on the output shaft of the film cutting motor 62, both of the two discs 13 are provided with elliptical holes matching the film cutting screw 60, and an annular guide groove 64 matching the film cutting screw 60 is disposed on the front and rear side walls inside the winding box 12; When the present invention is used, when it is necessary to cut the film, the disc 13 drives the film cutting box 15 to rotate, and the film cutting screw 60 moves along the annular guide groove 64, so that when the film cutting box 15 rotates to the upper left, the cutter 16 extends out of the film cutting box 15 driven by the film cutting screw 60, and the film cutting motor 62 drives the film cutting screw 60 to rotate through the fifth gear 63 and the fourth gear 61, thereby driving the cutter 16 to move and cut the film. When the cutter 16 is not in use, it is completely located in the film cutting box 15, thereby improving the safety of the device; Furthermore, the depths of the guide groove 26 and the annular guide groove 64 are different, thereby ensuring smooth use of the device.

[0019] A plurality of linearly distributed balls 70 are rotatably mounted on the upper sides of the arc plate 40 and the two placement plates 42 to facilitate the movement of the film roll.

[0020] A guide plate 71 is fixedly provided on the upper side of the inclined plate 53 to guide the winding cores to ensure that the winding cores on the upper side of the inclined plate 53 are aligned with the circular holes.

[0021] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A vertical PVC film blowing machine with a rotatable main machine, comprising a frame, a main machine, a material barrel, a connecting pipe, a feeding pipe and a winding box, characterized in that: The main machine is rotatably mounted on the upper side of the frame, the material barrel is mounted on the upper side of the main machine, the feeding pipe is coaxially rotatably mounted on the upper side of the main machine, the connecting pipe is fixedly mounted between the material barrel and the feeding pipe, the winding box is fixedly mounted on the upper side of the frame, two discs symmetrically distributed front and back are rotatably mounted inside the winding box, a tension roller is coaxially mounted between the two discs, a film cutting box is fixedly mounted between the two discs, a cutting knife is slidably mounted inside the film cutting box, a discharging screw is rotatably mounted inside the winding box, and the A carrying plate matching the discharging screw is slidably mounted inside the winding box, a discharging motor is installed inside the winding box, the discharging motor is drivingly connected to the discharging screw, two supporting rods symmetrically distributed on the front and rear sides are slidably mounted on the upper side of the carrying plate, springs are fixed between the side walls of the two supporting rods and the side walls of the carrying plate, a winding roller is rotatably mounted on the upper sides of the two supporting rods, a control component matching the winding roller is arranged inside the winding box, and a driving member matching the disc and the tension roller is arranged inside the winding box; The control component includes a card slot that matches the winding roller and is provided on both of the two discs, and a guide slot that matches the winding roller is provided on the front and rear side walls inside the winding box, and the guide slot includes an arc groove, an inclined groove, a first transverse groove and a second transverse groove. The lower side of the inclined groove is interconnected with the lower side of the arc groove, the upper side of the inclined groove is interconnected with the first transverse groove, the second transverse groove is interconnected with the first transverse groove and the upper side of the arc groove, the arc groove matches the card slot, and the arc groove matches the two support rods.

2. A vertical PVC film blowing machine with a rotatable main machine according to claim 1, characterized in that: The driving member includes a disc with a rotating hole, short shafts matching the rotating hole are concentrically fixed on the front and rear sides of the tension roller, a first gear is concentrically fixed on the short shaft on one side, a tension motor is installed on the same side of the winding box and the first gear, a second gear matching the first gear is concentrically fixed on the output shaft of the tension motor, a cylinder is concentrically fixed on the outer side of the disc, a gear ring is concentrically fixed on the cylinder on one side, a roller motor is installed on the same side of the winding box and the gear ring, and a third gear meshing with the gear ring is concentrically fixed on the output shaft of the roller motor.

3. A vertical PVC film blowing machine with a rotatable main machine according to claim 1, characterized in that: A material unloading part is provided inside the winding box, and the material unloading part includes an arc plate slidably mounted on the upper side of the carrying plate, two linearly distributed electric telescopic rods are fixedly mounted on the lower side of the carrying plate, and the output ends of the two electric telescopic rods are fixedly connected to the arc plate, and placement plates matching the arc plate are fixedly mounted on the front and rear sides of the winding box, and limit plates matching the winding roller are rotatably mounted on the front and rear side walls inside the winding box.

4. A vertical PVC film blowing machine with a rotatable main machine according to claim 1, characterized in that: The reel is provided with a roller-changing member matching the reeling roller, and the roller-changing member includes circular grooves that are formed on the front and rear side walls of the reeling box and are interconnected with the first transverse groove, and the reeling box is rotatably equipped with a roller-changing wheel that matches the circular groove, and a roller-changing motor is installed on one side of the reeling box, and the output shaft of the roller-changing motor is transmission connected with the roller-changing wheel. A storage groove that matches the reeling roller is opened on the side wall of the reeling box, and a circular hole that matches the storage groove is opened on one side of the reeling box. An inclined plate matching the circular hole is fixedly provided on the side wall of the reeling box, and a circular ring matching the reeling roller is slidably installed on the upper side of the inclined plate, and the side wall of the reeling box is rotatably equipped with a core feeding screw matching the circular ring, and a core feeding motor is installed on the side wall of the reeling box, and the core feeding motor is transmission connected with the core feeding screw.

5. A vertical PVC film blowing machine with a rotatable main machine according to claim 1, characterized in that: A moving part matching the cutter is provided in the film cutting box, and the moving part includes a film cutting screw matching the cutter which is rotatably mounted in the film cutting box, a fourth gear is concentrically fixedly provided on one side of the film cutting screw, a film cutting motor is installed in the film cutting box, a fifth gear matching the fourth gear is concentrically fixedly provided on the output shaft of the film cutting motor, both of the two discs are provided with elliptical holes matching the film cutting screw, and annular guide grooves matching the film cutting screw are provided on the front and rear side walls inside the winding box.

6. A vertical PVC film blowing machine with a rotatable main machine according to claim 3, characterized in that: The upper sides of the arc plate and the two placement plates are rotatably equipped with a plurality of linearly distributed balls.

7. A vertical PVC film blowing machine with a rotatable main machine according to claim 4, characterized in that: A guide plate is fixedly provided on the upper side of the inclined plate.

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