An economical TPU film blowing device and film blowing method for shoe materials
By introducing pretreatment components of stirring rollers and crushing rollers into the film blowing equipment of the TPU, the clogging problem caused by insufficient pretreatment of raw materials is solved, the film blowing efficiency and equipment efficiency are improved, and the cost is reduced.
Patent Information
- Application Number
- CN202411815668.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-11
- Publication Date
- 2025-04-04
AI Technical Summary
During the TPU film blowing process, insufficient pretreatment of raw materials leads to prone to blockage after being used for too long, affecting the efficiency of the film blowing, and the equipment energy consumption is high, which increases the cost of the adult.
A film blowing device for economical shoe material TPU is designed, including an injection molding machine, a pretreatment assembly and a film blowing device body. The pretreatment assembly includes a stirring roller and a crushing roller. The stirring roller and crushing roller are driven by a rotating electric machine to stir and crush raw materials to improve the processing efficiency of the injection molding machine.
Through the use of pretreatment components, it can effectively prevent raw materials from being blocked, improve film blowing efficiency, reduce equipment energy consumption, and reduce adult costs.
Smart Images
Figure CN119748837A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the field of TPU film blowing equipment, and in particular to an economical TPU film blowing equipment for shoe materials and a film blowing method thereof. Background Art
[0002] TPU is a thermoplastic polyurethane elastomer rubber, which is mainly divided into polyester type and polyether type. It has a wide hardness range, is wear-resistant, oil-resistant, transparent, and has good elasticity. It is widely used in daily necessities, sporting goods, toys, decorative materials and other fields. Halogen-free flame-retardant TPU can also replace soft PVC to meet the environmental protection requirements of more and more fields.
[0003] When performing TPU film blowing, the raw materials cannot be pre-treated well, resulting in blockage after long-term use, which will seriously affect the overall film blowing efficiency. At the same time, the overall film blowing equipment has high energy consumption, resulting in an increase in the overall cost.
[0004] Therefore, it is necessary to propose an economical TPU film blowing equipment and film blowing method for shoe materials to solve the above problems. Summary of the invention
[0005] The main purpose of the present invention is to provide an economical TPU film blowing equipment and film blowing method for shoe materials, which can effectively solve the problems in the background technology.
[0006] To achieve the above object, the technical solution adopted by the present invention is: An economical TPU film blowing device for shoe materials, comprising an injection molding machine, a pretreatment component is fixedly connected to the top of the injection molding machine, a feed barrel is symmetrically fixedly connected to the left and right sides of the top of the pretreatment component, a linkage component is fixedly connected to the front of the feed barrel, and a drive component is fixedly connected to the front of the pretreatment component; A film blowing device body is installed on the back of the injection molding machine, a positioning frame is provided on the outer wall of the film blowing device body, a squeezing roller is movably connected to the top of the positioning frame, and a material guide roller is rotatably connected to the right side of the positioning frame; A material receiving assembly is arranged on the right side of the material guide roller, and a positioning roller is symmetrically rotatably connected to the top and bottom of the left side of the inner cavity of the material receiving assembly. A cutting knife is arranged on the right side of the positioning roller, a winding roller is arranged on the right side of the cutting knife, and a material pushing claw is arranged on the left side of the winding roller.
[0007] Preferably, third gears are symmetrically rotatably connected to the left and right sides of the inner cavity of the driving component, the two third gears are meshed with each other, and crushing rollers are symmetrically fixedly connected to the back sides of the two third gears, and the two crushing rollers are symmetrically rotatably connected to the left and right sides of the inner cavity of the pretreatment component.
[0008] Preferably, a second belt is installed in the inner cavity of the linkage assembly, second pulleys are symmetrically installed on both sides of the inner cavity of the second belt, stirring rollers are symmetrically fixedly connected to the back sides of the two second pulleys, and the two stirring rollers are symmetrically rotatably connected to the bottom of the inner cavities of the two feed barrels.
[0009] Preferably, a rotating motor is fixedly connected to the right side of the front side of the linkage assembly, the back side of the rotating motor is fixedly connected to the front side of the second pulley on the right side through a first rotating shaft, the front side of the second pulley on the left side is fixedly connected to a connecting shaft, the connecting shaft and the front side of the third gear on the left side are both fixedly connected to the first pulley, and a first belt is installed on the outer wall of the first pulley.
[0010] Preferably, a fixing frame is fixedly connected to the center of the top of the positioning frame, and the fixing frame is provided with a discharge port with a size matching the body of the film blowing equipment, and the discharge port is communicated with the inner cavity of the fixing frame, and the extrusion rollers are rotatably connected in the inner cavity of the fixing frame. There are fourteen extrusion rollers, and the extrusion rollers are grouped into seven, and each group of extrusion rollers is symmetrically rotatably connected to the left and right sides of the inner cavity of the fixing frame, and the front and back sides of the guide rollers are symmetrically rotatably connected to fixed rods.
[0011] Preferably, a servo motor is fixedly connected to the left side of the back side of the material receiving component, the front side of the first servo motor is fixedly connected to the back side of the bottom positioning roller through a second rotating shaft, a hydraulic lifting rod is installed on the back side of the inner cavity of the material receiving component, and the back side of the cutting knife is fixedly connected to the hydraulic lifting rod.
[0012] Preferably, the front and back sides of the winding roller are symmetrically fixedly connected with connecting columns, and the front side of the connecting column and the front side of the material receiving assembly are both provided with second gears, the second gear on the left side is rotatably connected to the front side of the material receiving assembly, and the second gear on the right side is fixedly connected to the front side of the front connecting column, and the two second gears are meshed with each other.
[0013] Preferably, a third pulley is symmetrically arranged on the front side of the second gear on the left side and on the left side of the front side of the material receiving assembly, the third pulley on the left side is rotatably connected to the front side of the material receiving assembly, the third pulley on the right side is fixedly connected to the front side of the left connecting column, and the outer walls of the two third belts are installed with third belts.
[0014] Preferably, there are two pushing claws, and the bottom of the two pushing claws is fixedly connected with a rotating shaft, and the bottom of the rotating shaft is rotatably connected with a pushing assembly, the back of the pushing assembly is fixedly connected with a second servo motor, and the front of the second servo motor is fixedly connected to the back of the rotating shaft through a third rotating shaft, and the pushing claws are attached to the left side of the connecting column, and a linear motor is installed at the bottom of the inner cavity of the receiving assembly, and the pushing assembly is electrically connected to the linear motor, and grooves are symmetrically opened on the front and back of the right side of the receiving assembly, and the two connecting columns are movably connected in the inner cavity of the groove, and the bottom of the inner cavity of the groove is fixedly connected with a hydraulic push rod, and the top of the hydraulic push rod is fixedly connected to the bottom of the limit assembly, and the left side of the limit assembly is rotatably connected with a roller, and the left side of the roller is attached to the right side of the connecting column.
[0015] A film blowing method of an economical TPU film blowing device for shoe materials, characterized in that it includes the following operating steps: S1: Pour the raw materials into the inner cavity of the feed barrel, start the rotating motor, drive the second pulley on the right side to rotate, and the second pulley on the right side drives the second pulley on the left side to rotate through the second belt, and then the two stirring rollers can be driven to rotate in the inner cavities of the two feed barrels, so as to stir the raw materials; S2: The stirred raw materials fall into the inner cavity of the pretreatment component. When the second pulley on the left rotates, it will drive the first pulley on the top to rotate through the connecting shaft. The first pulley on the top can drive the first pulley on the bottom to rotate through the first belt. At this time, it can drive the third gear on the left to rotate. The third gear on the left can mesh with the third gear on the right, thereby driving the two crushing rollers to crush the raw materials. The crushed raw materials are processed by the injection molding machine and then injected into the body of the film blowing equipment; S3: Start the film blowing equipment body to start the film blowing work. The blown film will pass through the positioning frame into the inner cavity of the fixing frame, and after being shaped by the extrusion roller, it will be discharged to the receiving assembly through the guide roller; S4: Start the second servo motor to drive the bottom positioning roller to rotate, which will drive the third pulley on the left to rotate. The third pulley on the left drives the third pulley on the right to rotate through the third belt, thereby driving the first gear on the left to rotate, which can be meshed with the first gear on the right, thereby driving the winding roller to rotate. At this time, the two positioning rollers can transport and position the film, and at the same time, the film can be wound on the outer wall of the winding roller; S5: Start the hydraulic lifting rod to drive the cutting knife to cut the film, retract the limit assembly into the inner cavity of the receiving assembly, start the linear motor and the hydraulic lifting rod, and rotate the shaft to drive the pushing claw to flip so that it can fit on the left side of the connecting column. The linear motor can push the winding roller to the right through the pushing assembly and the pushing claw to complete the film unloading work.
[0016] Beneficial Effects Compared with the prior art, the present invention provides an economical TPU film blowing device and film blowing method for shoe materials, which has the following beneficial effects: 1. The economical TPU film blowing equipment for shoe materials and the film blowing method thereof can drive the linkage component and the driving component by starting the set rotating motor, and then drive the stirring roller to rotate in the inner cavity of the feed barrel, and drive the crushing roller to rotate in the inner cavity of the pretreatment component. The stirring roller can stir the raw materials and prevent blockage when the raw materials are discharged, and the crushing roller can crush the raw materials, thereby improving the processing efficiency of the injection molding machine.
[0017] 2. The film blowing equipment and film blowing method of the economical TPU for shoe materials can perform film blowing processing on the material through the provided film blowing equipment body, and the blown film can enter the inner cavity of the fixed frame through the positioning frame, and the film can be extruded through the provided extrusion roller, and the film sheet can be guided through the provided material guide roller until it enters the material receiving component for material receiving processing.
[0018] 3. The economical TPU film blowing equipment and film blowing method for shoe materials can drive the bottom positioning roller to rotate by starting the second servo motor, and cooperate with the top positioning roller to further extrude the film while conveying it. By starting the hydraulic lifting rod, the film can be cut by the cutting knife to facilitate the subsequent unloading of the film. The film can be collected by the winding roller. By starting the linear motor, the winding roller can be driven to move right by the pushing claw to unload the film. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a structural schematic diagram of the front side of the present invention; Figure 2 The present invention Figure 1 The enlarged view of point A in the middle; Figure 3 It is a structural schematic diagram of the drive assembly of the present invention; Figure 4 It is a structural schematic diagram of the material receiving assembly of the present invention; Figure 5 It is a structural schematic diagram of the winding roller of the present invention.
[0020] In the figure: 1. injection molding machine; 2. pretreatment component; 3. drive component; 4. feed barrel; 5. linkage component; 6. rotating motor; 7. crushing roller; 8. first belt; 9. first pulley; 10. connecting shaft; 11. second belt; 12. second pulley; 13. stirring roller; 14. film blowing equipment body; 15. positioning frame; 16. fixing frame; 17. extrusion roller; 18. fixing rod; 19. guide roller; 20. receiving component; 21. positioning roller; 22. cutting knife; 23. hydraulic lifting rod; 24. third pulley; 25. third belt; 26. first gear; 27. winding roller; 28. connecting column; 29. second gear; 30. pushing component; 31. pushing claw; 32. rotating shaft; 33. linear motor; 34. limit component; 35. third gear. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.
[0022] like Figure 1 , Figure 3 As shown, an economical TPU film blowing equipment for shoe materials includes an injection molding machine 1, a pretreatment component 2 is fixedly connected to the top of the injection molding machine 1, a feed barrel 4 is symmetrically fixedly connected to the left and right sides of the top of the pretreatment component 2, a linkage component 5 is fixedly connected to the front of the feed barrel 4, a driving component 3 is fixedly connected to the front of the pretreatment component 2, a third gear 35 is symmetrically rotatably connected to the left and right sides of the inner cavity of the driving component 3, the two third gears 35 are meshed with each other, and crushing rollers 7 are symmetrically fixedly connected to the backs of the two third gears 35. The two crushing rollers 7 are symmetrically rotatably connected to the left and right sides of the inner cavity of the pretreatment component 2, and a linkage component 5 is installed in the inner cavity of the linkage component 5. A second belt 11 is installed, and second pulleys 12 are symmetrically installed on both sides of the inner cavity of the second belt 11, and stirring rollers 13 are symmetrically fixedly connected to the back sides of the two second pulleys 12. The two stirring rollers 13 are symmetrically rotatably connected to the bottom of the inner cavities of the two feeding barrels 4. A rotating motor 6 is fixedly connected to the right side of the front of the linkage component 5, and the back side of the rotating motor 6 is fixedly connected to the front side of the second pulley 12 on the right side through the first rotating shaft. A connecting shaft 10 is fixedly connected to the front side of the second pulley 12 on the left side, and the connecting shaft 10 and the front side of the third gear 35 on the left side are fixedly connected to the first pulley 9, and the outer wall of the first pulley 9 is installed with a first belt 8.
[0023] By starting the set rotating motor 6, the linkage component 5 and the driving component 3 can be driven, and at this time, the stirring roller 13 can be driven to rotate in the inner cavity of the feed barrel 4, and the crushing roller 7 can be driven to rotate in the inner cavity of the pretreatment component 2. The stirring roller 13 can stir the raw materials while preventing blockage during material discharge. The crushing roller 7 can crush the raw materials, thereby improving the processing efficiency of the injection molding machine 1.
[0024] like Figure 1 As shown, an economical film blowing equipment for TPU for shoe materials, a film blowing equipment body 14 is installed on the back of the injection molding machine 1, and a positioning frame 15 is arranged on the outer wall of the film blowing equipment body 14, and an extrusion roller 17 is movably connected to the top of the positioning frame 15, and a guide roller 19 is rotatably connected to the right side of the positioning frame 15, and a fixing frame 16 is fixedly connected to the center of the top of the positioning frame 15, and the fixing frame 16 is provided with a discharge port whose size is matched with the film blowing equipment body 14, and the discharge port is communicated with the inner cavity of the fixing frame 16, and the extrusion roller 17 is rotatably connected in the inner cavity of the fixing frame 16, and the number of the extrusion rollers 17 is fourteen, and the extrusion rollers 17 form a group of seven, and each group of extrusion rollers 17 is symmetrically rotatably connected to the left and right sides of the inner cavity of the fixing frame 16, and the front and back sides of the guide roller 19 are symmetrically rotatably connected to the fixing rod 18.
[0025] The material can be processed by blowing film through the set film blowing equipment body 14, and the blown film can enter the inner cavity of the fixed frame 16 through the positioning frame 15. The film can be extruded through the set extrusion roller 17, and the film can be guided through the set guide roller 19 until it enters the receiving component 20 for receiving processing.
[0026] like Figure 1 , Figure 4 , Figure 5As shown, an economical TPU film blowing equipment for shoe materials, a material receiving assembly 20 is arranged on the right side of a material guide roller 19, and a positioning roller 21 is symmetrically connected to the top and bottom of the left side of the inner cavity of the material receiving assembly 20 for rotation, a cutting knife 22 is arranged on the right side of the positioning roller 21, a winding roller 27 is arranged on the right side of the cutting knife 22, and a material pushing claw 31 is arranged on the left side of the winding roller 27, a servo motor is fixedly connected to the left side of the back side of the material receiving assembly 20, and the front side of the first servo motor is fixedly connected to the back side of the bottom positioning roller 21 through a second rotating shaft, and the material receiving assembly 20 A hydraulic lifting rod 23 is installed on the back of the inner cavity, and the back of the cutting knife 22 is fixedly connected to the hydraulic lifting rod 23. The front and back of the winding roller 27 are symmetrically fixedly connected with connecting columns 28. The front of the front connecting column 28 and the front of the receiving assembly 20 are both provided with second gears 29. The left second gear 29 is rotatably connected to the front of the receiving assembly 20, and the right second gear 29 is fixedly connected to the front of the front connecting column 28. The two second gears 29 are meshed with each other, and the front of the left second gear 29 and the left side of the front of the receiving assembly 20 are aligned. A third pulley 24 is provided, the left third pulley 24 is rotatably connected to the front of the receiving assembly 20, the right third pulley 24 is fixedly connected to the front of the left connecting column 28, the outer walls of the two third belts 25 are installed with third belts 25, there are two pushing claws 31, the bottom of the two pushing claws 31 is fixedly connected to the rotating shaft 32, the bottom of the rotating shaft 32 is rotatably connected to the pushing assembly 30, the back of the pushing assembly 30 is fixedly connected to the second servo motor, and the front of the second servo motor is fixedly connected to the rotating shaft through the third rotating shaft. On the back of 32, the pushing claw 31 is attached to the left side of the connecting column 28, and a linear motor 33 is installed at the bottom of the inner cavity of the receiving component 20. The pushing component 30 is electrically connected to the linear motor 33. Grooves are symmetrically provided on the front and back of the right side of the receiving component 20. The two connecting columns 28 are movably connected in the inner cavity of the groove. A hydraulic push rod is fixedly connected to the bottom of the inner cavity of the groove. The top of the hydraulic push rod is fixedly connected to the bottom of the limiting component 34. The left side of the limiting component 34 is rotatably connected to a roller, and the left side of the roller is attached to the right side of the connecting column 28.
[0027] By starting the second servo motor, the bottom positioning roller 21 can be driven to rotate, and in cooperation with the top positioning roller 21, the film can be further extruded while being transported. By starting the hydraulic lifting rod 23, the cutting knife 22 can be used to cut the film, so as to facilitate the subsequent unloading of the film. The film can be collected by the winding roller 27. By starting the linear motor 33, the pushing claw 31 can be used to drive the winding roller 27 to move right, so as to unload the film.
[0028] It should be noted that the present invention is a film blowing method of an economical TPU film blowing device for shoe materials, comprising the following operating steps: S1: Pour the raw materials into the inner cavity of the feed barrel 4, start the rotary motor 6, drive the second pulley 12 on the right side to rotate, and the second pulley 12 on the right side drives the second pulley 12 on the left side to rotate through the second belt 11, and then the two stirring rollers 13 can be driven to rotate in the inner cavities of the two feed barrels 4, so as to stir the raw materials; S2: The stirred raw material falls into the inner cavity of the pretreatment component 2. When the second pulley 12 on the left rotates, it will drive the first pulley 9 on the top to rotate through the connecting shaft 10. The first pulley 9 on the top can drive the first pulley 9 on the bottom to rotate through the first belt 8. At this time, the third gear 35 on the left can be driven to rotate. The third gear 35 on the left can be meshed with the third gear 35 on the right, thereby driving the two crushing rollers 7 to crush the raw material. The crushed raw material is processed by the injection molding machine 1 and then injected into the film blowing equipment body 14; S3: Start the film blowing equipment body 14 to start the film blowing work. The blown film will pass through the positioning frame 15 into the inner cavity of the fixing frame 16, and after being shaped by the squeezing roller 17, it will be discharged to the receiving assembly 20 through the guide roller 19; S4: Start the second servo motor to drive the bottom positioning roller 21 to rotate, which will drive the third pulley 24 on the left to rotate. The third pulley 24 on the left drives the third pulley 24 on the right to rotate through the third belt 25, thereby driving the first gear 26 on the left to rotate, which can be meshed with the first gear 26 on the right, thereby driving the winding roller 27 to rotate. At this time, the two positioning rollers 21 can transport and position the film, and at the same time, the film can be wound on the outer wall of the winding roller 27; S5: Start the hydraulic lifting rod 23 to drive the cutting knife 22 to cut the film, retract the limiting assembly 34 into the inner cavity of the receiving assembly 20, start the linear motor 33 and the hydraulic lifting rod 23, and the rotating shaft 32 drives the pushing claw 31 to flip so that it can fit on the left side of the connecting column 28. The linear motor 33 can push the winding roller 27 to the right through the pushing assembly 30 and the pushing claw 31 to complete the film unloading work.
[0029] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.
Claims
1. An economical TPU film blowing device for shoe materials, comprising an injection molding machine (1), characterized in that: The top of the injection molding machine (1) is fixedly connected to a pretreatment component (2), the left and right sides of the top of the pretreatment component (2) are symmetrically fixedly connected to a feed barrel (4), the front of the feed barrel (4) is fixedly connected to a linkage component (5), and the front of the pretreatment component (2) is fixedly connected to a drive component (3); A film blowing device body (14) is installed on the back of the injection molding machine (1), a positioning frame (15) is provided on the outer wall of the film blowing device body (14), a squeezing roller (17) is movably connected to the top of the positioning frame (15), and a material guide roller (19) is rotatably connected to the right side of the positioning frame (15); A material receiving assembly (20) is arranged on the right side of the material guide roller (19); a positioning roller (21) is symmetrically rotatably connected to the top and bottom of the left side of the inner cavity of the material receiving assembly (20); a cutting knife (22) is arranged on the right side of the positioning roller (21); a winding roller (27) is arranged on the right side of the cutting knife (22); and a material pushing claw (31) is arranged on the left side of the winding roller (27).
2. The economical TPU film blowing equipment for shoe materials according to claim 1, characterized in that: The left and right sides of the inner cavity of the driving component (3) are symmetrically connected to third gears (35), the two third gears (35) are meshed with each other, and the backs of the two third gears (35) are symmetrically fixedly connected to crushing rollers (7), and the two crushing rollers (7) are symmetrically connected to the left and right sides of the inner cavity of the pretreatment component (2).
3. The economical TPU film blowing equipment for shoe materials according to claim 1, characterized in that: A second belt (11) is installed in the inner cavity of the linkage component (5), and second pulleys (12) are symmetrically installed on both sides of the inner cavity of the second belt (11), and stirring rollers (13) are symmetrically fixedly connected to the backs of the two second pulleys (12), and the two stirring rollers (13) are symmetrically rotatably connected to the bottom of the inner cavities of the two feeding barrels (4).
4. The economical TPU film blowing equipment for shoe materials according to claim 3 is characterized by: A rotating motor (6) is fixedly connected to the right side of the front of the linkage assembly (5); the back of the rotating motor (6) is fixedly connected to the front of the second belt pulley (12) on the right side via a first rotating shaft; the front of the second belt pulley (12) on the left side is fixedly connected to a connecting shaft (10); the connecting shaft (10) and the front of the third gear (35) on the left side are both fixedly connected to a first belt pulley (9); and a first belt (8) is installed on the outer wall of the first belt pulley (9).
5. The economical TPU film blowing equipment for shoe materials according to claim 1, characterized in that: A fixing frame (16) is fixedly connected in the middle of the top of the positioning frame (15), and the fixing frame (16) is provided with a discharge port whose size matches that of the film blowing equipment body (14), and the discharge port is communicated with the inner cavity of the fixing frame (16). The squeezing rollers (17) are rotatably connected in the inner cavity of the fixing frame (16). There are fourteen squeezing rollers (17), and seven squeezing rollers (17) form a group. Each group of squeezing rollers (17) is symmetrically rotatably connected to the left and right sides of the inner cavity of the fixing frame (16). The front and back sides of the guide rollers (19) are symmetrically rotatably connected to fixed rods (18).
6. The economical TPU film blowing equipment for shoe materials according to claim 1, characterized in that: A servo motor is fixedly connected to the left side of the back side of the material receiving component (20); the front side of the first servo motor is fixedly connected to the back side of the bottom positioning roller (21) via a second rotating shaft; a hydraulic lifting rod (23) is installed on the back side of the inner cavity of the material receiving component (20); and the back side of the cutting knife (22) is fixedly connected to the hydraulic lifting rod (23).
7. The economical TPU film blowing equipment for shoe materials according to claim 1, characterized in that: The front and back sides of the winding roller (27) are symmetrically fixedly connected with connecting columns (28), and the front sides of the connecting columns (28) and the front sides of the receiving assembly (20) are both provided with second gears (29), the second gear (29) on the left side is rotatably connected to the front side of the receiving assembly (20), and the second gear (29) on the right side is fixedly connected to the front side of the connecting column (28), and the two second gears (29) are meshed with each other.
8. The economical TPU film blowing equipment for shoe materials according to claim 7, characterized in that: A third belt pulley (24) is symmetrically arranged on the front side of the second gear (29) on the left side and on the left side of the front side of the material receiving assembly (20); the third belt pulley (24) on the left side is rotatably connected to the front side of the material receiving assembly (20); the third belt pulley (24) on the right side is fixedly connected to the front side of the left connecting column (28); and the outer walls of the two third belts (25) are installed with third belts (25).
9. The economical TPU film blowing equipment for shoe materials according to claim 1, characterized in that: There are two material pushing claws (31), the bottoms of the two material pushing claws (31) are fixedly connected to a rotating shaft (32), the bottom of the rotating shaft (32) is rotatably connected to a material pushing assembly (30), the back of the material pushing assembly (30) is fixedly connected to a second servo motor, the front of the second servo motor is fixedly connected to the back of the rotating shaft (32) via a third rotating shaft, the material pushing claws (31) are attached to the left side of the connecting column (28), and a linear guide is installed at the bottom of the inner cavity of the material receiving assembly (20). The push assembly (30) is electrically connected to the linear motor (33), the front and back sides of the right side of the receiving assembly (20) are symmetrically provided with grooves, the two connecting columns (28) are movably connected in the inner cavity of the groove, the bottom of the inner cavity of the groove is fixedly connected with a hydraulic push rod, the top of the hydraulic push rod is fixedly connected to the bottom of the limit assembly (34), the left side of the limit assembly (34) is rotatably connected with a roller, and the left side of the roller is fitted on the right side of the connecting column (28).
10. The film blowing method of an economical TPU film blowing equipment for shoe materials according to any one of claims 1 to 9, characterized in that: The steps include: S1: pour the raw material into the inner cavity of the feed barrel (4), start the rotary motor (6), drive the second belt pulley (12) on the right side to rotate, and the second belt pulley (12) on the right side drives the second belt pulley (12) on the left side to rotate through the second belt (11), and then the two stirring rollers (13) can be driven to rotate in the inner cavities of the two feed barrels (4), so as to stir the raw material; S2: The stirred raw material falls into the inner cavity of the pretreatment component (2). When the second pulley (12) on the left side rotates, it drives the first pulley (9) on the top to rotate through the connecting shaft (10). The first pulley (9) on the top can drive the first pulley (9) on the bottom to rotate through the first belt (8). At this time, the third gear (35) on the left side can be driven to rotate. The third gear (35) on the left side can be meshed with the third gear (35) on the right side, thereby driving the two crushing rollers (7) to crush the raw material. The crushed raw material is processed by the injection molding machine (1) and then injected into the film blowing equipment body (14); S3: starting the film blowing equipment body (14) to start the film blowing operation, and the blown film will pass through the positioning frame (15) into the inner cavity of the fixing frame (16), and after being shaped by the squeezing roller (17), it will be discharged to the receiving assembly (20) through the guide roller (19); S4: Start the second servo motor to drive the positioning roller (21) at the bottom to rotate, which in turn drives the third pulley (24) on the left to rotate. The third pulley (24) on the left drives the third pulley (24) on the right to rotate via the third belt (25), thereby driving the first gear (26) on the left to rotate, which can then mesh with the first gear (26) on the right, thereby driving the winding roller (27) to rotate. At this time, the two positioning rollers (21) can transport and position the film, and at the same time, the film can be wound around the outer wall of the winding roller (27); S5: Start the hydraulic lifting rod (23) to drive the cutting knife (22) to cut the film, retract the limit assembly (34) into the inner cavity of the receiving assembly (20), start the linear motor (33) and the hydraulic lifting rod (23), and the rotating shaft (32) drives the pushing claw (31) to flip so that it can fit on the left side of the connecting column (28). The linear motor (33) can push the winding roller (27) to the right through the pushing assembly (30) and the pushing claw (31), thereby completing the film unloading work.