Film blowing equipment for PVC film processing

Abstract

The invention discloses film blowing equipment for PVC film processing, and belongs to the technical field of PVC film processing, the film blowing equipment comprises a main body module and a dust removal module, the main body module comprises a forming frame, a film blowing machine main body is arranged in the forming frame, and cross-shaped long plates are fixedly connected to the two sides of the front end face of the forming frame; and two limiting rollers are rotationally connected between the two cross-shaped long plates, through arrangement of the sweeping assemblies, a connecting gear, a driving assembly, a dust collection assembly and a linkage assembly, the equipment can sweep dust on the surface of a PVC film, rapid switching of the sweeping assemblies can be achieved, and the sweeping efficiency is improved. And meanwhile, the switched sweeping assembly can be subjected to dust collection treatment by the dust collection assembly, continuous residue of the dust is avoided, so that the sweeping assembly can perform circulating cleaning operation, the cleaning effect is improved, and the manufacturing quality of the PVC thin film is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of PVC film processing, and more specifically to a film blowing device for PVC film processing. Background Art

[0002] PVC film, the main component is polyvinyl chloride, and other ingredients are added to enhance its heat resistance, toughness, ductility, etc.; the top layer of this surface film is paint, the main component in the middle is polyvinyl chloride, and the bottom layer is back-coated adhesive. It is a synthetic material that is deeply loved, popular and widely used in the world today. In the production process of PVC film, film blowing equipment is usually used to realize the molding production of PVC film.

[0003] With regard to the above-mentioned related technologies, the current film blowing equipment is usually composed of several parts. Therefore, several steps are required when producing PVC film. First, the film blowing is realized by the main body of the film blowing device. Then, the blown film needs to be pulled to the forming frame for guiding forming, and finally, it is wound through the winding facility. Since the current film blowing equipment is usually placed inside the factory for production and processing, it is easy to wind up the dust when the PVC film is formed and wound. The dust rolled into the film will affect the overall quality of the PVC film, and then affect the subsequent use of the PVC film. Some existing equipment uses a cleaning brush for cleaning, and the cleaning brush is not easy to switch. As the cleaning time increases, more dust remains on the cleaning brush, which also affects the subsequent cleaning quality. For this reason, a film blowing equipment for PVC film processing is proposed. Summary of the invention

[0004] In order to solve the above problems, the present invention provides a film blowing equipment for PVC film processing, which adopts the following technical solutions: A film blowing device for PVC film processing, comprising a main body module and a dust removal module, the main body module comprising a forming frame, a film blowing machine body is arranged inside the forming frame, both sides of the front end surface of the forming frame are fixedly connected with cross long plates, two limit rollers are rotatably connected between the two cross long plates, the dust removal module comprises two rolling columns which are rotatably connected between the two cross long plates, one end of the two rolling columns passes through one of the cross long plates, one end of the two rolling columns is fixedly connected with a connecting gear, the outer surfaces of the two connecting gears are meshed with each other, four cleaning components are arranged on the outer surfaces of the two rolling columns, a winding component is arranged between the two cross long plates, and the two rolling columns are located in the winding component. Part and two limiting rollers, one side of one of the cross long plates is fixedly connected with a driving component, the driving component is connected to one of the rolling columns, dust suction components are arranged between the tops and bottoms of the two cross long plates, two of the cleaning components are respectively located inside the two dust suction components, one side of another cross long plate is provided with a linkage component, the linkage component is connected to four of the cleaning components, two special-shaped plates are fixedly connected between the two cross long plates, the two special-shaped plates both penetrate the two cross long plates, two pre-treatment components are arranged between the two special-shaped plates, the two pre-treatment components are located between the two limiting rollers and the two rolling columns, and film-penetrating grooves are opened inside the two special-shaped plates.

[0005] Furthermore, the cleaning assembly includes two mounting seats fixedly connected to the outer surface of one of the rolling cylinders, a center rod is rotatably connected between the interiors of the two mounting seats, a lint cleaning brush is fixedly connected to the outer surface of the center rod, and one end of the center rod is fixedly connected to a connecting gear.

[0006] Furthermore, the driving assembly includes a second motor fixedly connected to one side of one of the cross long plates, the output shaft of the second motor is fixedly connected to an incomplete gear, one side of one of the cross long plates is rotatably connected to a driving wheel, one side of the driving wheel is fixedly connected to a movable gear, the outer surface of one of the rolling columns is fixedly connected to a four-way transmission wheel, the outer surface of the four-way transmission wheel is movably connected to the outer surface of the driving wheel, and the outer surface of the movable gear is adapted to the outer surface of the incomplete gear.

[0007] Furthermore, the linkage assembly includes four rotating shafts that are rotatably connected to another cross long plate, one end of the four rotating shafts is fixedly connected to a driving gear, the outer surfaces of two of the driving gears are meshed with each other, the four driving gears are respectively meshed with the connecting gears in four of the cleaning assemblies, the other ends of the four rotating shafts are fixedly connected to a first transmission roller, and the outer surfaces of every two of the first transmission rollers are transmission-connected by a first transmission belt.

[0008] Furthermore, the linkage assembly also includes a mounting frame fixedly connected to one side of another cross long plate, a third motor is fixedly connected to the interior of the mounting frame, and an output shaft of the third motor is fixedly connected to one of the first transmission rollers.

[0009] Furthermore, the dust suction assembly includes a dust suction device fixedly connected between the tops of two cross-shaped long plates, the input end of the dust suction device is fixedly connected to a hollow dust suction hood, the interior of the hollow dust suction hood is connected to a plurality of dust suction nozzles, and the plurality of dust suction nozzles are located outside the fluff cleaning brush.

[0010] Furthermore, the winding assembly includes a winding roller rotatably connected between two cross long plates, both ends of the winding roller respectively pass through the two cross long plates, a ratchet is fixedly connected to the outer surface of the winding roller near one end, a first motor is fixedly connected to one side of the other cross long plate, an output shaft of the first motor is fixedly connected to one end of the winding roller, a ratchet is movably connected to one side of the other cross long plate, and one end of the ratchet is movably connected to the outer surface of the ratchet.

[0011] Furthermore, the pretreatment component includes two conveying rollers that are rotatably connected between the special-shaped plates, a conveyor belt is transmission-connected between the outer surfaces of the two conveying rollers, a wiping brush is fixedly connected to the outer surface of the conveyor belt, a fourth motor is fixedly connected to one of the special-shaped plates, and an output shaft of the fourth motor is fixedly connected to one end of one of the conveying rollers.

[0012] Furthermore, the pretreatment component also includes a connecting rod rotatably connected between the two special-shaped plates, the outer surface of the connecting rod is fixedly connected to a cam, the outer surface of the cam is provided with a mounting groove, the interior of the mounting groove is rotatably connected to a roller, the roller, the connecting rod and the cam are all located inside the conveyor belt, one end of the connecting rod and the other end of one of the conveyor rollers are fixedly connected to a second transmission roller, and a second transmission belt is transmission-connected between the outer surfaces of the two second transmission rollers.

[0013] Furthermore, the film-threading groove is located between two limiting rollers, and a triangular lifting plate is fixedly connected between the bottom of the two cross-shaped long plates and the forming frame.

[0014] In summary, the present invention includes the following beneficial technical effects: (1) The present invention arranges a cleaning component, a connecting gear, a driving component, a dust collecting component and a linkage component, so that the device can clean the dust on the surface of the PVC film, and can realize the rapid switching of the cleaning component, thereby preventing the cleaning component from being attached with a lot of dust and affecting the subsequent cleaning effect. At the same time, the switched cleaning component can be dusted by the dust collecting component to avoid the continuous residue of dust, so that the cleaning component can perform a cyclic cleaning operation, thereby improving the cleaning effect and ensuring the production quality of the PVC film; (2) The present invention can pre-treat the PVC film by setting up the pre-treatment component, and pre-sweep away some dust, thereby reducing the pressure of subsequent cleaning components and facilitating the subsequent cleaning of the PVC film; (3) The present invention can shake off the dust remaining on the wiping brush by configuring the connecting rod, the second transmission belt, the cam and the roller, thereby preventing the dust remaining on the wiping brush from affecting subsequent cleaning, thereby facilitating continuous cleaning, and further facilitating continuous cleaning operations, further improving the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of one side of the present invention; Figure 2 It is a structural schematic diagram of another side of the present invention; Figure 3 It is a structural schematic diagram of the dust removal module of the present invention; Figure 4 It is a structural schematic diagram of the winding assembly of the present invention; Figure 5 For the present invention Figure 4 The enlarged structural diagram at A in the middle; Figure 6 It is a schematic diagram of the exploded structure of the drive assembly of the present invention; Figure 7 It is a schematic diagram of the structure of the dust collection assembly of the present invention; Figure 8 It is a structural schematic diagram of the pretreatment component of the present invention; Fig. 9 For the present invention Figure 8 Schematic diagram of the enlarged structure at B.

[0016] Description of the numbers in the figure: 100, main body module; 110, forming frame; 120, film blowing machine body; 130, cross long plate; 140, limiting roller; 200, dust removal module; 210, rolling column; 220, cleaning component; 221, mounting seat; 222, center rod; 223, lint cleaning brush; 224, connecting gear; 230, connecting gear; 240, winding component; 241, winding roller; 242, first motor; 243, ratchet; 244, ratchet; 250, driving component; 251, second motor; 252, incomplete gear; 253, driving wheel; 254, four-way transmission wheel; 255, movable gear; 260, dust collection component; 261, Dust suction device; 262, hollow dust suction hood; 263, dust suction nozzle; 270, linkage assembly; 271, rotating shaft; 272, driving gear; 273, first transmission roller; 274, first transmission belt; 275, mounting frame; 276, third motor; 280, special-shaped plate; 290, pretreatment assembly; 291, conveying roller; 292, fourth motor; 293, conveying belt; 294, wiping brush; 295, connecting rod; 296, cam; 297, roller; 298, second transmission roller; 299, second transmission belt. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0018] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "mounted / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] The following is combined with Figure 1-9 The present invention is described in further detail.

[0021] See also Figure 1-9 A film blowing device for PVC film processing includes a main body module 100 and a dust removal module 200. The main body module 100 includes a forming frame 110. A film blowing machine body 120 is arranged inside the forming frame 110. Both sides of the front end surface of the forming frame 110 are fixedly connected with cross long plates 130. Two limit rollers 140 are rotatably connected between the two cross long plates 130. The dust removal module 200 includes two rolling columns 210 that are rotatably connected between the two cross long plates 130. One end of the two rolling columns 210 passes through one of the cross long plates 130. One end of the two rolling columns 210 is fixedly connected with a connecting gear 230. The outer surfaces of the two connecting gears 230 are meshed with each other. Four cleaning components 220 are arranged on the outer surfaces of the two rolling columns 210. A winding component 240 is arranged between the two cross long plates 130. The two rolling columns 210 are located at the winding component 2 40 and two limiting rollers 140, one side of one of the cross long plates 130 is fixedly connected with a driving assembly 250, the driving assembly 250 is connected to one of the rolling columns 210, dust suction assemblies 260 are arranged between the tops and bottoms of the two cross long plates 130, two cleaning assemblies 220 are respectively located inside the two dust suction assemblies 260, a linkage assembly 270 is arranged on one side of another cross long plate 130, the linkage assembly 270 is connected to four of the cleaning assemblies 220, two special-shaped plates 280 are fixedly connected between the two cross long plates 130, the two special-shaped plates 280 both penetrate the two cross long plates 130, two pre-treatment assemblies 290 are arranged between the two special-shaped plates 280, the two pre-treatment assemblies 290 are located between the two limiting rollers 140 and the two rolling columns 210, and film-penetrating grooves are opened inside the two special-shaped plates 280.

[0022] During use, the film blowing machine body 120 is opened, and the film blowing operation is carried out through the film blowing machine body 120. The film is passed through the forming frame 110, the two limiting rollers 140, the two film passing grooves, the two pre-treatment components 290 and the two cleaning components 220, and then fixed on the outer surface of the winding roller 241. The winding component 240 is opened to wind the PVC film. At this time, the linkage component 270 and the two pre-treatment components 290 are opened, and the two pre-treatment components 290 will pre-clean some dust on the PVC film. Subsequently, the linkage component 270 will drive four of the cleaning components 220 to rotate, so that two of the cleaning components 220 electrostatically adsorb the dust in the winding process of the PVC film. After two of the cleaning components 220 have been used for a specified period of time, the staff can turn on the drive Component 250, the driving component 250 will drive one of the rolling columns 210 to rotate ninety degrees, and through the engagement of the two connecting gears 230, the two rolling columns 210 will rotate ninety degrees at the same time, so that the other four cleaning components 220 are connected to the linkage component 270, and then the cleaning and dust collection operation can continue. The subsequent cleaning component 220 with dust will enter the interior of the dust collection component 260, and the cleaning component 220 located inside the dust collection component 260 will also be driven by the linkage component 270 to rotate, and at this time the dust collection component 260 will perform the dust collection operation, thereby realizing the cleaning of the dust cleaning component 220, and continuing to clean the PVC film after the cleaning is completed, thereby realizing the cycle operation, avoiding the problem of long-term use of the cleaning component 220 affecting the cleaning effect.

[0023] The cleaning assembly 220 includes two mounting seats 221 each fixedly connected to the outer surface of one of the rolling columns 210, a center rod 222 is rotatably connected between the interiors of the two mounting seats 221, a lint cleaning brush 223 is fixedly connected to the outer surface of the center rod 222, and a connecting gear 224 is fixedly connected to one end of the center rod 222. The driving assembly 250 includes a second motor 251 fixedly connected to one side of one of the cross long plates 130, an output shaft of the second motor 251 is fixedly connected to an incomplete gear 252, a driving wheel 253 is rotatably connected to one side of one of the cross long plates 130, and a movable gear 255 is fixedly connected to one side of the driving wheel 253. A four-way transmission wheel 254 is fixedly connected to the outer surface of one of the rolling columns 210, the outer surface of the four-way transmission wheel 254 is movably connected to the outer surface of the driving wheel 253, and the outer surface of the movable gear 255 is adapted to the outer surface of the incomplete gear 252. The linkage assembly 270 includes four rotating shafts each rotatably connected to the interior of another of the cross long plates 130. 271, one end of the four rotating shafts 271 is fixedly connected with a driving gear 272, wherein the outer surfaces of two driving gears 272 are meshed with each other, and the four driving gears 272 are respectively meshed with the connecting gears 224 in four of the cleaning components 220, and the other ends of the four rotating shafts 271 are fixedly connected with a first transmission roller 273, and the outer surfaces of every two first transmission rollers 273 are transmission-connected with a first transmission belt 274, the linkage component 270 also includes a mounting frame 275 fixedly connected to one side of another cross long plate 130, and the interior of the mounting frame 275 is fixedly connected with a third motor 276, and the output shaft of the third motor 276 is fixedly connected to one of the first transmission rollers 273, and the dust collection component 260 includes a dust collection device 261 fixedly connected between the tops of the two cross long plates 130, and the input end of the dust collection device 261 is fixedly connected with a hollow dust collection hood 262, and the interior of the hollow dust collection hood 262 is connected with a plurality of dust collection nozzles 263, and the plurality of dust collection nozzles 263 are located outside the fluff cleaning brush 223.

[0024] The third motor 276 drives one of the rotating shafts 271 and one of the driving gears 272, and the two rotating shafts 271 rotate simultaneously through the meshing of the two driving gears 272. The four rotating shafts 271 and the four driving gears 272 rotate through the transmission of the first transmission belt 274, and the four driving gears 272 respectively transmit four connecting gears 224, so that the four connecting gears 224 drive the four center rods 222 to rotate, and the two plush cleaning brushes 223 rotate in opposite directions to clean part of the dust on the PVC film, and the plush effect can achieve the effect of electrostatic adsorption of dust. After the two plush cleaning brushes 223 are used for a specified period of time, the staff can turn on the second motor 251, and the second motor 251 will drive the incomplete gear 252 to rotate, and the incomplete gear 252 will transmit the movable gear 255, and the movable gear 255 drives the driving wheel 253 to transmit the four-way transmission wheel 254, and the four-way transmission The wheel 254 drives one of the rolling columns 210 to rotate ninety degrees, and the two connecting gears 230 are engaged, so that the two rolling columns 210 rotate ninety degrees at the same time, so that the connecting gears 224 of four cleaning components 220 are disengaged from the driving gear 272, and the connecting gears 224 of the other four cleaning components 220 are connected to the four driving gears 272, so that the cleaning and dust collection operation can continue, and the subsequent plush cleaning brush 223 with dust will enter the interior of the hollow dust collection cover 262, and the plush cleaning brush 223 located inside the hollow dust collection cover 262 will also be driven by the driving gear 272 to rotate, and at this time the dust collection device 261 opens a plurality of dust collection nozzles 263 to perform a dust collection operation, thereby realizing the cleaning of the plush cleaning brush 223 with dust, and continuing to clean the PVC film after the cleaning is completed, thereby realizing a cyclic operation, avoiding the problem that the plush cleaning brush 223 is used for a long time and affects the cleaning effect.

[0025] The winding assembly 240 includes a winding roller 241 rotatably connected between the two cross long plates 130, and both ends of the winding roller 241 respectively penetrate the two cross long plates 130, and a ratchet 243 is fixedly connected to the outer surface of the winding roller 241 near one end, wherein a first motor 242 is fixedly connected to one side of the other cross long plate 130, and the output shaft of the first motor 242 is fixedly connected to one end of the winding roller 241, wherein a ratchet 244 is movably connected to one side of the other cross long plate 130, and one end of the ratchet 244 is movably connected to the outer surface of the ratchet 243.

[0026] When the first motor 242 is turned on, the winding roller 241 will be driven to rotate. When the winding roller 241 rotates, it will collect the PVC film. At this time, the ratchet 244 will move outside the ratchet wheel 243, thereby limiting the rotation direction of the winding roller 241.

[0027] The pretreatment component 290 includes two conveying rollers 291 that are rotatably connected between the special-shaped plates 280, a conveyor belt 293 is transmission-connected between the outer surfaces of the two conveying rollers 291, and a wiping brush 294 is fixedly connected to the outer surface of the conveyor belt 293. A fourth motor 292 is fixedly connected to one of the special-shaped plates 280, and the output shaft of the fourth motor 292 is fixedly connected to one end of one of the conveying rollers 291. The pretreatment component 290 also includes a connecting rod 295 that is rotatably connected between the two special-shaped plates 280, and a convex brush 294 is fixedly connected to the outer surface of the connecting rod 295. Wheel 296, the outer surface of the cam 296 is provided with an installation groove, and the inner part of the installation groove is rotatably connected to a roller 297, the roller 297, the connecting rod 295 and the cam 296 are all located inside the conveyor belt 293, one end of the connecting rod 295 and the other end of one of the conveyor rollers 291 are fixedly connected to a second transmission roller 298, and a second transmission belt 299 is transmission-connected between the outer surfaces of the two second transmission rollers 298, the film-threading groove is located between the two limiting rollers 140, and a triangular lifting plate is fixedly connected between the bottom of the two cross long plates 130 and the forming frame 110.

[0028] When the fourth motor 292 is turned on, the fourth motor 292 will drive the conveyor roller 291 to drive the conveyor belt 293 to roll, and the conveyor belt 293 will drive the wiping brush 294 to roll. The two wiping brushes 294 wipe both sides of the PVC film, thereby achieving pre-treatment of the PVC film and reducing the subsequent processing pressure. When the conveyor roller 291 rotates, it will drive the connecting rod 295 to rotate. When the connecting rod 295 rotates, it will drive the cam 296 to rotate. When the cam 296 rotates, the roller 297 will repeatedly hit the conveyor belt 293, and the conveyor belt 293 will vibrate to shake off the dust remaining on the wiping brush 294, thereby further improving the cleaning quality of the PVC film.

[0029] The implementation principle of the embodiment of the present invention is as follows: during use, the film blowing machine body 120 is opened, and the film blowing operation is realized through the film blowing machine body 120, and the film is passed through the forming frame 110, the two limiting rollers 140, the two film passing grooves, the two wiping brushes 294 and two of the velvet cleaning brushes 223, and then fixed on the outer surface of the winding roller 241, and the first motor 242 is turned on, and the first motor 242 drives the winding roller 241 to rotate to wind the PVC film, and at this time, the third motor 276 and the two fourth motors 292 are turned on, and the third motor 276 drives one of the rotating shafts 271 and one of the driving gears 272, and the two rotating shafts 271 are rotated at the same time through the meshing of the two driving gears 272, and the transmission of the first transmission belt 274 makes the The four rotating shafts 271 and the four driving gears 272 all rotate, and the four driving gears 272 respectively transmit the four connecting gears 224, so that the four connecting gears 224 drive the four center rods 222 to rotate, wherein the two plush cleaning brushes 223 rotate in opposite directions to clean part of the dust on the PVC film, and the plush effect can achieve the effect of electrostatic adsorption of dust, and after the two plush cleaning brushes 223 are used for a specified period of time, the staff can turn on the second motor 251, and the second motor 251 will drive the incomplete gear 252 to rotate, and the incomplete gear 252 will transmit the movable gear 255, and the movable gear 255 drives the driving wheel 253 to transmit the four-way transmission wheel 254, and the four-way transmission wheel 254 drives one of them The rolling cylinders 210 rotate 90 degrees, and through the meshing of the two connecting gears 230, the two rolling cylinders 210 rotate 90 degrees at the same time, so that the connecting gears 224 of four cleaning components 220 are disengaged from the driving gears 272, and the connecting gears 224 of the other four cleaning components 220 are connected to the four driving gears 272, so that the cleaning and dust collection operation can continue, and the subsequent plush cleaning brush 223 with dust will enter the interior of the hollow dust collection cover 262, and the plush cleaning brush 223 located inside the hollow dust collection cover 262 will also be driven by the driving gear 272 to rotate, and at this time, the dust collection device 261 opens a plurality of dust collection nozzles 263 to perform dust collection operation, thereby realizing the cleaning of the plush cleaning brush 223 with dust. After the cleaning is completed, the PVC film continues to be cleaned, thereby realizing a cyclic operation, avoiding the problem that the long-term use of the velvet cleaning brush 223 affects the cleaning effect, and improving the quality of the PVC film. When the fourth motor 292 is turned on, the fourth motor 292 will drive the conveying roller 291 to drive the conveyor belt 293 to roll, and the conveyor belt 293 will drive the wiping brush 294 to roll. The two wiping brushes 294 wipe both sides of the PVC film, thereby realizing the pre-treatment of the PVC film and reducing the subsequent processing pressure. When the conveying roller 291 rotates, it will drive the connecting rod 295 to rotate, and when the connecting rod 295 rotates, it will drive the cam 296 to rotate. When the cam 296 rotates, the roller 297 will repeatedly knock on the conveyor belt 293.The conveyor belt 293 vibrates to shake off the dust remaining on the wiping brush 294, further improving the cleaning quality of the PVC film.

[0030] The above are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A film blowing device for PVC film processing, comprising a main module (100) and a dust removal module (200), characterized in that: The main body module (100) comprises a forming frame (110), a film blowing machine body (120) is arranged inside the forming frame (110), both sides of the front end surface of the forming frame (110) are fixedly connected with a cross long plate (130), and two limit rollers (140) are rotatably connected between the two cross long plates (130); The dust removal module (200) comprises two rolling columns (210) which are rotatably connected between two cross-shaped long plates (130); one end of each of the two rolling columns (210) passes through one of the cross-shaped long plates (130); one end of each of the two rolling columns (210) is fixedly connected to a connecting gear (230); the outer surfaces of the two connecting gears (230) are meshed with each other; four cleaning components (220) are arranged on the outer surfaces of the two rolling columns (210); a winding component (240) is arranged between the two cross-shaped long plates (130); the two rolling columns (210) are located between the winding component (240) and the two limiting rollers (140); one side of one of the cross-shaped long plates (130) is fixedly connected to a driving component (250); the driving component (250) and one of the rolling columns (210) are connected to each other. A dust collecting assembly (260) is arranged between the top and bottom of the two cross-shaped long plates (130), wherein the two cleaning assemblies (220) are respectively located inside the two dust collecting assemblies (260), wherein a linkage assembly (270) is arranged on one side of another cross-shaped long plate (130), wherein the linkage assembly (270) is connected to four of the cleaning assemblies (220), two special-shaped plates (280) are fixedly connected between the two cross-shaped long plates (130), wherein the two special-shaped plates (280) both penetrate the two cross-shaped long plates (130), two pre-treatment assemblies (290) are arranged between the two special-shaped plates (280), wherein the two pre-treatment assemblies (290) are located between the two limiting rollers (140) and the two rolling columns (210), and wherein the two special-shaped plates (280) are both provided with a film-penetrating groove inside.

2. The film blowing equipment for PVC film processing according to claim 1, characterized in that: The cleaning assembly (220) comprises two mounting seats (221) each fixedly connected to the outer surface of one of the rolling columns (210); a central rod (222) is rotatably connected between the interiors of the two mounting seats (221); a lint cleaning brush (223) is fixedly connected to the outer surface of the central rod (222); and a connecting gear (224) is fixedly connected to one end of the central rod (222).

3. The film blowing equipment for PVC film processing according to claim 2, characterized in that: The driving assembly (250) comprises a second motor (251) fixedly connected to one side of one of the cross long plates (130); the output shaft of the second motor (251) is fixedly connected to an incomplete gear (252); one side of one of the cross long plates (130) is rotatably connected to a driving wheel (253); one side of the driving wheel (253) is fixedly connected to a movable gear (255); the outer surface of one of the rolling columns (210) is fixedly connected to a four-way transmission wheel (254); the outer surface of the four-way transmission wheel (254) is movably connected to the outer surface of the driving wheel (253); and the outer surface of the movable gear (255) is matched to the outer surface of the incomplete gear (252).

4. The film blowing equipment for PVC film processing according to claim 3, characterized in that: The linkage assembly (270) comprises four rotating shafts (271) which are rotatably connected to the inside of another cross long plate (130); one end of each of the four rotating shafts (271) is fixedly connected to a driving gear (272); the outer surfaces of two of the driving gears (272) are meshed with each other; the four driving gears (272) are respectively meshed with connecting gears (224) in four of the cleaning assemblies (220); the other ends of the four rotating shafts (271) are fixedly connected to a first transmission roller (273); and a first transmission belt (274) is transmission-connected between the outer surfaces of each two of the first transmission rollers (273).

5. The film blowing equipment for PVC film processing according to claim 4, characterized in that: The linkage assembly (270) further comprises a mounting frame (275) fixedly connected to one side of another cross long plate (130), a third motor (276) being fixedly connected inside the mounting frame (275), and an output shaft of the third motor (276) being fixedly connected to one of the first transmission rollers (273).

6. The film blowing equipment for PVC film processing according to claim 5, characterized in that: The dust suction assembly (260) comprises a dust suction device (261) fixedly connected between the tops of the two cross-shaped long plates (130); an input end of the dust suction device (261) is fixedly connected to a hollow dust suction hood (262); the interior of the hollow dust suction hood (262) is connected to a plurality of dust suction nozzles (263); and the plurality of dust suction nozzles (263) are located outside the fluff cleaning brush (223).

7. The film blowing equipment for PVC film processing according to claim 6, characterized in that: The winding assembly (240) comprises a winding roller (241) rotatably connected between two cross-shaped long plates (130), wherein both ends of the winding roller (241) respectively penetrate through the two cross-shaped long plates (130), and a ratchet (243) is fixedly connected to an outer surface of the winding roller (241) near one end, wherein a first motor (242) is fixedly connected to one side of the other cross-shaped long plate (130), and an output shaft of the first motor (242) is fixedly connected to one end of the winding roller (241), wherein a ratchet (244) is movably connected to one side of the other cross-shaped long plate (130), and one end of the ratchet (244) is movably connected to the outer surface of the ratchet (243).

8. The film blowing equipment for PVC film processing according to claim 7, characterized in that: The pretreatment component (290) comprises two conveying rollers (291) which are rotatably connected between the special-shaped plates (280); a conveying belt (293) is drivingly connected between the outer surfaces of the two conveying rollers (291); a wiping brush (294) is fixedly connected to the outer surface of the conveying belt (293); a fourth motor (292) is fixedly connected to one of the special-shaped plates (280); and an output shaft of the fourth motor (292) is fixedly connected to one end of one of the conveying rollers (291).

9. The film blowing equipment for PVC film processing according to claim 8, characterized in that: The pretreatment component (290) further comprises a connecting rod (295) rotatably connected between the two special-shaped plates (280); a cam (296) is fixedly connected to the outer surface of the connecting rod (295); a mounting groove is provided on the outer surface of the cam (296); a roller (297) is rotatably connected inside the mounting groove; the roller (297), the connecting rod (295) and the cam (296) are all located inside the conveyor belt (293); one end of the connecting rod (295) and the other end of one of the conveyor rollers (291) are fixedly connected to a second transmission roller (298); and a second transmission belt (299) is transmission-connected between the outer surfaces of the two second transmission rollers (298).

10. The film blowing equipment for PVC film processing according to claim 9, characterized in that: The film-threading groove is located between the two limiting rollers (140), and a triangular lifting plate is fixedly connected between the bottom of the two cross-shaped long plates (130) and the forming frame (110).

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