Full-automatic film drawing machine
By designing the cooling mechanism and driving components of the fully automatic membrane puller in the PET membrane stretching device, the scalding problem caused by high membrane temperature after heating is solved, and the working efficiency and safety are improved.
Patent Information
- Application Number
- CN202421501093.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-05-27
- Estimated Expiration
- 2034-06-28
AI Technical Summary
The existing PET film stretching device has a higher membrane temperature after heating, and direct removal will cause burns to workers, and will also affect work efficiency while standing and cooling, making it inconvenient to use.
A fully automatic membrane puller is designed, including a cooling mechanism and a driving assembly. The cooling mechanism connects the hydraulic cylinder and the rotating shaft to drive water to flow through the cooling pipe to cool the air in the air duct, and the cold air blows to the surface of the membrane to cool down quickly. The drive assembly enables automatic clamping and stretching operations through hydraulic cylinders and gear systems.
It effectively avoids the occurrence of membrane scald workers, improves the safety and processing efficiency of use, is easy to use, and is highly practical.
Smart Images

Figure CN222904839U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of film drawing equipment, in particular to a full-automatic film drawing machine. Background Art
[0002] In the process of PET film production, in order to ensure product quality, it is necessary to measure key indicators such as haze, infrared blocking rate, and ultraviolet blocking rate of the finished product at different transmittances. However, these measurements usually need to be carried out in a laboratory environment and the PET film needs to be stretched.
[0003] The patent with reference publication number CN220720263U discloses a biaxial stretching device for light-resistant and moisture-resistant PET film, which specifically relates to the technical field of light-resistant and moisture-resistant PET film processing, including a mounting frame, a U-shaped plate fixedly connected to the top of the mounting frame, a heating component and an extrusion component arranged inside the U-shaped plate, the heating component comprising a ventilation box, a heater, an exhaust fan, a hard pipe and an air outlet hopper, the ventilation box is fixedly mounted on the top of the U-shaped plate, the heater is fixedly mounted on the top of the ventilation box, the exhaust fan is fixedly mounted on the top of the U-shaped plate, the top of the hard pipe is fixedly connected to the output end of the exhaust fan, the bottom of the hard pipe is fixedly connected to the air outlet hopper, and a stretching component is arranged at the bottom of the air outlet hopper. The utility model extrude and fix the material through an extrusion pad, the heater generates heat when working, the exhaust fan generates suction when working, the external air passes through two filter screens into the ventilation box, the air outlet hopper discharges hot air downward, the hot air directly contacts the material, the heat conduction effect is good, and the stretching efficiency of the light-resistant and moisture-resistant PET film is high.
[0004] During use, the film-stretching device used for the production and processing of PET film can evenly heat the film for stretching, but the temperature of the heated film is high. If the film is taken directly, workers may be scalded. Therefore, it is necessary to let it stand and cool before taking it, which affects work efficiency, is inconvenient to use, and has poor practicality. Utility Model Content
[0005] The purpose of the utility model is to provide a fully automatic film drawing machine to solve the problems raised in the above background technology.
[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a fully automatic film drawing machine, including a base frame, a gantry is provided on the top of the base frame, and a controller is provided on one side of the gantry, a driving assembly is provided at the bottom of the base frame, a clamping seat is symmetrically provided on the top of the base frame, and a hydraulic cylinder is provided on the top of the clamping seat, the telescopic end of the hydraulic cylinder is connected with a pressure block in the clamping seat, an air duct is embedded and installed on the top of the gantry, an air outlet is connected at the lower end of the air duct, a double-axis motor is provided in the air outlet, and a fan blade is connected to the lower output end of the double-axis motor, a heating wire is provided at the lower part of the air outlet, a cooling mechanism connected to the double-axis motor is provided on one side of the top of the gantry, the cooling mechanism includes a rotating shaft, the rotating shaft is rotatably installed on the top of the air duct, and the air duct is fixedly connected to the upper output end of the double-axis motor, a water tank is provided on one side of the top of the gantry, and a rotating rod is rotatably installed on one side of the water tank.
[0007] Furthermore, the cooling mechanism also includes a movable sleeve, which is movably installed on the outer side of the rotating shaft and the rotating rod respectively, a support plate is provided between the two movable sleeves, and the two ends of the support plate are not rotatably connected to the movable sleeve, the upper outer wall of the movable sleeve is provided with a synchronous wheel, and the two synchronous wheels are connected by a synchronous belt, the outer wall of the rotating shaft is symmetrically provided with rail grooves, the rail grooves are provided with sliding bars, and the sliding bars are fixedly connected to the inner wall of the movable sleeve provided on the outer side of the rotating shaft, the lower outer side of the movable sleeve provided on the outer side of the rotating rod is provided with a docking platform, and the outer wall of the rotating rod is provided with a docking seat adapted to the docking platform, the lower end of the rotating rod is connected to a rotating disk, and the bottom of the rotating disk is movably connected to a push rod through a connecting rod, and a pump barrel is provided at the bottom of the water tank, and one end of the push rod is movably connected to a Plug, a water inlet is provided on one side of the top of the pump barrel, and a one-way valve is provided in the water inlet, one end of the pump barrel is connected to a conduit with a one-way valve, one end of the conduit is connected to a cooling pipe in the air duct, the lower end of the cooling pipe is connected to one side of the upper part of the water tank, the cooling pipe is located between the heating wire and the fan blade, a hydraulic cylinder three is provided on the top of the gantry between the rotating rod and the air duct, and the telescopic end of the hydraulic cylinder three is fixedly connected to the bottom of the support plate, the setting of the cooling mechanism can link the rotating rod with the rotating shaft after the membrane is processed, transmit the power of the dual-axis motor, thereby driving water to flow through the cooling pipe to cool the air in the air duct, so that the cold air is blown to the surface of the membrane, which quickly cools it down, avoids scalding workers, improves safety in use, and improves processing efficiency, is easy to use, and has strong practicality.
[0008] Furthermore, the driving assembly includes a partition, and the partition is fixedly installed on the inner side of the base frame, a gear is rotatably installed between the partition and the top of the base frame, a rack meshing with the gear is symmetrically provided on the outer side of the gear, the top of the rack is fixedly connected to the clamp seat through a slider 1, and a slide groove 1 adapted to the slider 1 is symmetrically provided on the top of the base frame, a hydraulic cylinder 2 is fixedly installed on one side of the bottom of the partition, a slider 2 is connected to one end of the hydraulic cylinder 2, and the upper end of the slider 2 is fixedly connected to the bottom of the rack on one side, and a slide groove 2 adapted to the slider 2 is provided at the bottom of the partition, and the driving assembly can make the hydraulic cylinder 2 synchronously drive the two clamp seats to move, thereby stretching the membrane.
[0009] Furthermore, the rotating shaft is rotatably connected to the top of the air duct through a bearing, and the movable sleeves are rotatably connected to the support plate through bearings. The docking platform is a truncated cone structure so that the docking platform and the docking seat can be docked to transmit power to drive the rotating rod to rotate.
[0010] Furthermore, the two ends of the connecting rod are respectively hinged to the turntable and the push rod, the outer wall of the piston is sleeved with a sealing ring, and the cooling pipe is distributed in a spiral form to improve the sealing between the piston and the inner wall of the pump barrel.
[0011] Furthermore, the rack is L-shaped, the clamp seat is U-shaped, a displacement sensor is provided on the top of the clamp seat on one side, and a rubber pad is provided on the bottom of the pressure block to detect the stretching length of the membrane.
[0012] Compared with the prior art, the beneficial effects achieved by the utility model are:
[0013] The utility model can stop the work of the electric heating wire after the film is stretched through the cooling mechanism, and start the hydraulic cylinder to push the support plate downward, so that the docking platform and the docking seat are docked to transmit power to drive the rotating rod to rotate, so that the transmission driving push rod drives the piston to reciprocate left and right in the pump barrel, thereby continuously pushing the water to flow through the cooling pipe and then return to the water tank, so that the water in the air duct is cooled and cooled, so that the low-temperature air is blown onto the film to cool it, thereby avoiding the occurrence of the film scalding the workers, and can accelerate its cooling, improve work efficiency, and have stronger practicality;
[0014] The utility model can realize automatic film clamping, fixing and stretching operations through the driving component, the clamping seat, the hydraulic cylinder and the pressing block, and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the structure between the rack and the gear of the utility model;
[0018] Figure 3 This utility model Figure 1 A is a schematic diagram of the enlarged structure of the middle part;
[0019] Figure 4 It is a schematic diagram of the local structure between the rotating shaft and the rotating rod of the utility model;
[0020] Figure 5 It is a schematic diagram of the structure between the slide bar, the movable sleeve and the rotating shaft of the utility model;
[0021] In the figure: 1. base frame; 2. gantry; 3. partition; 4. gear; 5. rack; 6. slider 1; 7. clamp seat; 8. hydraulic cylinder 1; 9. pressure block; 10. hydraulic cylinder 2; 11. slider 2; 12. air duct; 13. air outlet; 14. double-axis motor; 15. fan blade; 16. heating wire; 17. cooling pipe; 18. water tank; 19. hydraulic cylinder 3; 20. rotating shaft; 21. rotating rod; 22. movable sleeve; 23. synchronous wheel; 24. synchronous belt; 25. support plate; 26. docking table; 27. docking seat; 28. slide bar; 29. turntable; 30. connecting rod; 31. push rod; 32. pump barrel; 33. piston. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] like Figure 1 - Figure 5A fully automatic film stretching machine is shown, comprising a base frame 1, a gantry frame 2 is provided on the top of the base frame 1, and a controller is provided on one side of the gantry frame 2, a driving assembly is provided at the bottom of the base frame 1, a clamping seat 7 is symmetrically provided on the top of the base frame 1, and a hydraulic cylinder 8 is provided on the top of the clamping seat 7, the telescopic end of the hydraulic cylinder 8 is connected with a pressure block 9 in the clamping seat 7, an air duct 12 is embedded and installed on the top of the gantry 2, an air outlet scoop 13 is connected to the lower end of the air duct 12, a double-axis motor 14 is provided in the air outlet scoop 13, and a fan blade 15 is connected to the lower output end of the double-axis motor 14, a heating wire 16 is provided in the lower part of the air outlet scoop 13, a cooling mechanism connected to the double-axis motor 14 is provided on one side of the top of the gantry 2, the cooling mechanism comprises a rotating shaft 20, the rotating shaft 20 is rotatably installed on the top of the air duct 12, and the air duct 12 is fixedly connected to the upper output end of the double-axis motor 14, a water tank 18 is provided on one side of the top of the gantry 2, and a rotating rod 21 is rotatably installed on one side of the water tank 18. In this example, the cooling mechanism also includes a movable sleeve 22, which is movably installed on the outside of the rotating shaft 20 and the rotating rod 21 respectively. A support plate 25 is provided between the two movable sleeves 22, and the two ends of the support plate 25 cannot be rotatably connected to the movable sleeve 22. A synchronous wheel 23 is provided on the upper outer wall of the movable sleeve 22, and the two synchronous wheels 23 are connected by a synchronous belt 24. The outer wall of the rotating shaft 20 is symmetrically provided with rail grooves, and a slide bar 28 is provided in the rail groove, and the slide bar 28 is fixedly connected to the inner wall of the movable sleeve 22 sleeved on the outside of the rotating shaft 20. A docking platform 26 is provided on the lower outer side of the movable sleeve 22 sleeved on the outside of the rotating rod 21, and a docking seat 27 adapted to the docking platform 26 is provided on the outer wall of the rotating rod 21. A turntable 29 is connected to the lower end of the rotating rod 21, and a push rod 31 is movably connected to the bottom of the turntable 29 through a connecting rod 30. A pump barrel 32 is provided at the bottom of the water tank 18, and one end of the push rod 31 is in the pump barrel 32. A piston 33 is connected, a water inlet is provided on one side of the top of the pump barrel 32, and a one-way valve is provided in the water inlet, one end of the pump barrel 32 is connected to a conduit with a one-way valve, one end of the conduit is connected to a cooling pipe 17 in the air duct 12, the lower end of the cooling pipe 17 is connected to one side of the upper part of the water tank 18, the cooling pipe 17 is located between the heating wire 16 and the fan blade 15, a hydraulic cylinder three 19 is provided on the top of the gantry 2 between the rotating rod 21 and the air duct 12, and the telescopic end of the hydraulic cylinder three 19 is fixedly connected to the bottom of the support plate 25, the setting of the cooling mechanism can link the rotating rod 21 with the rotating shaft 20 after the film is processed, transmit the power of the dual-axis motor 14, thereby driving water to flow through the cooling pipe 17 to cool the air in the air duct 12, so that the cold air is blown to the surface of the film, which quickly cools it down, avoids the occurrence of scalding workers, improves the safety of use, and improves the processing efficiency, is easy to use, and has strong practicality.In this example, the driving component includes a partition 3, and the partition 3 is fixedly installed on the inner side of the base frame 1. A gear 4 is rotatably installed between the partition 3 and the top of the base frame 1. A rack 5 meshing with the gear 4 is symmetrically provided on the outer side of the gear 4. The top of the rack 5 is fixedly connected to the clamp seat 7 through a slider 1 6. A slide groove 1 adapted to the slider 1 6 is symmetrically provided on the top of the base frame 1. A hydraulic cylinder 2 10 is fixedly installed on one side of the bottom of the partition 3. A slider 2 11 is connected to one end of the hydraulic cylinder 2 10, and the upper end of the slider 2 11 is fixedly connected to the bottom of the rack 5 on one side. A slide groove 2 adapted to the slider 2 11 is provided at the bottom of the partition 3. The driving component can enable the hydraulic cylinder 2 10 to synchronously drive the two clamp seats 7 to move, thereby stretching the membrane.
[0024] In this example, the rotating shaft 20 is rotatably connected to the top of the air duct 12 through a bearing, and the movable sleeve 22 is rotatably connected to the support plate 25 through a bearing. The docking platform 26 is a truncated cone structure, so that the docking platform 26 and the docking seat 27 can be docked to transmit power to drive the rotating rod 21 to rotate. In this example, the two ends of the connecting rod 30 are respectively hinged to the turntable 29 and the push rod 31, and the outer wall of the piston 33 is provided with a sealing ring. The cooling pipe 17 is distributed in a spiral form to improve the sealing between the piston 33 and the inner wall of the pump barrel 32. In this example, the rack 5 is L-shaped, the clamp seat 7 is U-shaped, and a displacement sensor is provided on the top of one side of the clamp seat 7. The displacement sensor is electrically connected to the controller, and a rubber pad is provided at the bottom of the pressure block 9. In this example, corresponding sensors can also be provided according to actual needs to monitor the state of the stretched film, such as detecting the thickness of the stretched film through a photoelectric sensor, and the displacement sensor is provided to detect the stretched length of the film.
[0025] The working principle of the utility model is as follows: when in use, the hydraulic cylinder 2 10 is started to drive the slider 2 11, and then the connected rack 5 is driven to move the rod, thereby driving the gear 4 to rotate, so that it drives another rack 5, so that the two racks 5 drive the slider 1 6 and the clamp seat 7 to move to the relative inner side, and after moving them to the appropriate position, the end of the film is placed on the inner side of the clamp seat 7, so that the hydraulic cylinder 1 8 pushes the pressure block 9 to press it, and then the hydraulic cylinder 2 10 is started to push the slider 2 11 to move, so as to stretch the film, and cooperate with the displacement sensor to detect the stretching length of the film; and before stretching, the dual-axis motor 14 should be turned on to drive the fan blade 15, so that the air heated by the electric heating wire 16 is blown to the surface of the film for heating treatment, so as to perform the stretching treatment. When the stretching treatment is completed and the film needs to be taken, the controller will control the electric heating wire 16 to stop working, and start the hydraulic cylinder 3 19 to pull the support plate 25 downward, so that the support plate 25 drives the two movable sleeves 22 and the synchronous wheel 23 to move downward synchronously, and at the same time the rotating shaft 20 The movable sleeve 22 sleeved on the outside will drive the slide bar 28 to slide in the rail groove, so that the movable sleeve 22 on the outside of the rotating shaft 20 drives the synchronous wheel 23 to rotate under the action of the slide bar 28, and cooperates with the synchronous belt 24 to drive the synchronous wheel 23 on one side of the rotating rod 21 to drive the movable sleeve 22 to rotate synchronously. At the same time, the downward movement of the support plate 25 will cause the docking platform 26 to move downward synchronously, so that the docking platform 26 is inserted into the docking seat 27, and the two are docked, so that the outer wall of the docking platform 26 is closely fitted with the inner wall of the docking seat 27, thereby transmitting and driving the rotating rod 21 to rotate, so that the rotating rod 21 drives the rotating disk 29 to drive the connecting rod 30, thereby driving the push rod 31 to push and pull the piston 33, so that the piston 33 reciprocates left and right to push the water entering the pump barrel 32 to be transported to the cooling pipe 17 to cool the air in the air duct 12, and cooperate with the fan blades 15 to blow cold wind onto the film to cool it down, so as to avoid the occurrence of scalding workers due to its high temperature, improve the safety of the equipment, and speed up the processing efficiency, easy to use, and more practical.
[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A fully automatic film drawing machine, comprising a base frame (1), a gantry frame (2) being provided on the top of the base frame (1), and a controller being provided on one side of the gantry frame (2), characterized in that: The bottom of the base frame (1) is provided with a driving assembly, the top of the base frame (1) is symmetrically provided with a clamping seat (7), and the top of the clamping seat (7) is provided with a hydraulic cylinder (8), the telescopic end of the hydraulic cylinder (8) is connected to a pressure block (9) in the clamping seat (7), the top of the gantry (2) is embedded with an air duct (12), the lower end of the air duct (12) is connected to an air outlet (13), a double-axis motor (14) is provided in the air outlet (13), and the lower output end of the double-axis motor (14) is connected to a fan blade (15), a heating wire (16) is provided at the lower inner part of the air outlet scoop (13), a cooling mechanism connected to the dual-axis motor (14) is provided on one side of the top of the gantry (2), the cooling mechanism comprises a rotating shaft (20), the rotating shaft (20) is rotatably mounted on the top of the air duct (12), and the air duct (12) is fixedly connected to the output end above the dual-axis motor (14), a water tank (18) is provided on one side of the top of the gantry (2), and a rotating rod (21) is rotatably mounted on one side of the water tank (18).
2. A fully automatic film drawing machine according to claim 1, characterized in that: The cooling mechanism further comprises a movable sleeve (22), wherein the movable sleeve (22) is movably mounted on the outer sides of the rotating shaft (20) and the rotating rod (21), respectively; a support plate (25) is provided between the two movable sleeves (22), and the two ends of the support plate (25) are not rotatably connected to the movable sleeve (22); a synchronous wheel (23) is provided on the upper outer wall of the movable sleeve (22), and the two synchronous wheels (23) are connected via a synchronous belt (24); a track groove is symmetrically provided on the outer wall of the rotating shaft (20), a slide bar (28) is provided in the track groove, and the slide bar (28) is fixedly connected to the inner wall of the movable sleeve (22) provided on the outer side of the rotating shaft (20); a docking platform (26) is provided on the lower outer side of the movable sleeve (22) provided on the outer side of the rotating rod (21); a docking seat (27) adapted to the docking platform (26) is provided on the outer wall of the rotating rod (21); The lower end is connected to a rotating disk (29), and the bottom of the rotating disk (29) is movably connected to a push rod (31) through a connecting rod (30). A pump barrel (32) is provided at the bottom of the water tank (18), and one end of the push rod (31) is connected to a piston (33) in the pump barrel (32). A water inlet is provided on one side of the top of the pump barrel (32), and a one-way valve is provided in the water inlet. One end of the pump barrel (32) is connected to a conduit with a one-way valve, and one end of the conduit is connected to a cooling pipe (17) in the air duct (12). The lower end of the cooling pipe (17) is connected to one side of the upper part of the water tank (18), and the cooling pipe (17) is located between the electric heating wire (16) and the fan blade (15). A hydraulic cylinder three (19) is provided at the top of the gantry (2) between the rotating rod (21) and the air duct (12), and the telescopic end of the hydraulic cylinder three (19) is fixedly connected to the bottom of the support plate (25).
3. The fully automatic film drawing machine according to claim 1, characterized in that: The driving assembly comprises a partition (3), and the partition (3) is fixedly mounted on the inner side of the base frame (1); a gear (4) is rotatably mounted between the partition (3) and the inner top of the base frame (1); a rack (5) meshing with the gear (4) is symmetrically arranged on the outer side of the gear (4); the top of the rack (5) is fixedly connected to a clamping seat (7) via a slider (6); a slide groove (1) adapted to the slider (6) is symmetrically opened on the top of the base frame (1); a hydraulic cylinder (10) is fixedly mounted on one side of the bottom of the partition (3); a slider (11) is connected to one end of the hydraulic cylinder (10); and the upper end of the slider (11) is fixedly connected to the bottom of the rack (5) on one side; and a slide groove (2) adapted to the slider (11) is opened on the bottom of the partition (3).
4. A fully automatic film drawing machine according to claim 2, characterized in that: The rotating shaft (20) is rotatably connected to the top of the air duct (12) via a bearing, the movable sleeve (22) is rotatably connected to the support plate (25) via a bearing, and the docking platform (26) is a truncated cone-shaped structure.
5. The fully automatic film drawing machine according to claim 2, characterized in that: The two ends of the connecting rod (30) are respectively hinged to the rotating disk (29) and the push rod (31); the outer wall of the piston (33) is sleeved with a sealing ring; and the cooling pipes (17) are distributed in a spiral form.
6. The fully automatic film drawing machine according to claim 3, characterized in that: The rack (5) is L-shaped, the clamp seat (7) is U-shaped, a displacement sensor is provided on the top of the clamp seat (7) on one side, and a rubber pad is provided on the bottom of the pressing block (9).
Citation Information
Patent Citations
Bidirectional stretching device for light moisture-proof PET (Polyethylene Terephthalate) film
CN220720263U