Downward-blowing low-temperature stretch film stretch forming device
By designing the guide tube, cooling structure and collection structure in the down-blowing low-temperature stretch film stretching molding device, the recycling of water and effective cooling and drying of film materials are achieved, and the problem of waste of water resources in existing devices is solved and improved Production efficiency and molding quality.
Patent Information
- Application Number
- CN202420836267.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-04-22
AI Technical Summary
The existing down-blowing low-temperature stretch film stretch forming device wastes a lot of water resources during the cooling process, increasing the manufacturer's cost.
A down-blowing low-temperature stretch film stretching molding device including a guide tube, a cooling structure and a collection structure is designed. By setting up a placement groove in the guide tube and using a water tank and a circulation pump to achieve circulating replacement of water, avoiding excessive water temperature. At the same time, a collection structure is set up to collect water from the film and dry it in a drying box to reduce water resource waste.
It effectively reduces the waste of water resources, reduces the production costs of manufacturers, and improves the quality of film processing and forming.
Smart Images
Figure CN222473353U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic film processing, in particular to a downward blowing low-temperature stretch film stretching and forming device. Background Art
[0002] Stretch film, also known as LLDPE elastic film / packaging film, is a transparent, elastic, strong, non-toxic and harmless soft polyethylene plastic film.
[0003] The common downward blowing low-temperature stretch film stretching forming device is carried out in a downward blowing manner during production. The film material needs to be cooled and dried during processing and stretching, and the common cooling method is to use water for cooling. However, during the cooling process, the water flows out along the film and the equipment. In the long production process, a large amount of water resources are easily wasted, thereby greatly increasing the manufacturer's cost. Therefore, a downward blowing low-temperature stretch film stretching forming device is proposed. Utility Model Content
[0004] 1. Technical issues to be solved
[0005] In view of the deficiencies in the prior art, the utility model provides a downward blowing low-temperature stretch film stretching forming device, which solves the problems raised in the above background technology.
[0006] (II) Technical solution
[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a downward blowing low-temperature stretch film stretching and forming device, including a frame, the frame is provided with a discharge film piece that can discharge material evenly and the discharge film piece blows the film material downward, the frame is provided with a guide pipe corresponding to the discharge film piece and capable of guiding the film material to move, the frame is provided with a cooling structure connected to the guide pipe and capable of cooling the film material, a placement rack is provided below the frame, the placement rack is provided with a tractor that cooperates with the cooling structure and can pull and form the film material. The discharging module blows the film material out in a downward blowing manner and blows it into the guide pipe. Through the setting of the placement groove, water is injected into the placement groove. In this way, the film material can be cooled in the process of moving downward. Through the water tank in the cooling structure, the placement groove can be continuously supplied with water and replaced with water to avoid the water temperature in the placement groove being too high and affecting the quality of film material production. Afterwards, the film material is towed by the tractor to form a film. In this process, the water in the traction process is collected by the collection structure. Through the drying box, the water on the membrane can be dried and the excess water on the membrane can be guided to the collection structure and then injected into the water tank, thereby avoiding excessive waste of water resources and improving the economic benefits of the manufacturer to a certain extent.
[0008] Furthermore, the cooling structure includes a placement slot arranged in the guide pipe, a water tank connected to the placement slot is arranged in the frame, and water in the water tank can be injected into the placement slot, and a refrigerator for cooling water is arranged in the water tank. The water tank is arranged to store water. The refrigerator is arranged to cool the water, and a controller can be added to avoid the water temperature being too low.
[0009] Furthermore, the water tank is provided with a circulation pump for injecting water into the placement tank, the top of the placement tank is provided with a water outlet pipe A connected to the circulation pump, the bottom of the guide pipe is provided with a return pipe for injecting water in the placement tank into the water tank, and the top of the water tank is provided with an injection pipe connected to the water tank. By setting the circulation pump, the water in the placement tank can be circulated and replaced to avoid the water temperature in the placement tank being too high. By setting the injection pipe and the return pipe, a circulation effect can be achieved.
[0010] Furthermore, the placement groove is composed of an annular groove with a U-shaped cross section. The placement groove is provided to better cool the film material.
[0011] Furthermore, a collecting structure corresponding to the discharge end of the tractor is provided at the bottom of the frame, and the water discharge end of the collecting structure is connected to the water inlet end of the water tank. The collecting structure is used to collect water dripping from the film material and inject it into the water tank, thereby saving water resources.
[0012] Furthermore, the collection structure includes a collection box, a collection tank is provided in the collection box, a filter screen is provided at the top of the collection tank, and guide plates connected to the filter screen are provided on both side walls of the filter screen. By providing a filter screen in the collection box, water is filtered to prevent large dust particles from being injected into the water tank along the pump, thereby improving the service life of the equipment to a certain extent, and the limit block and handle are provided to facilitate personnel to remove the filter screen. The provision of the guide plate can not only collect water resources, but also prevent water in the collection box from overflowing to a certain extent.
[0013] Furthermore, both side walls of the filter screen are provided with limit blocks that can be embedded in the collection box, and the outside of the limit blocks is provided with handles. The angle between the guide plate and the groove wall of the collection groove is 40° to 70°. The outside of the collection box is provided with a water outlet pipe B connected to the collection groove. The thickness of the bottom end of the collection groove gradually decreases from right to left and the lowest end of the collection groove is connected to the water inlet end of the water outlet pipe B. The water outlet end of the water outlet pipe B is connected to a pump and the water outlet end of the pump is installed with a connecting pipe, and the water outlet end of the connecting pipe is installed at the top of the water tank. The setting of the bottom end of the collection groove facilitates emptying the water in the collection box. The angle between the guide plate and the groove wall of the collection groove is 65°.
[0014] Furthermore, a drying box corresponding to the discharge end of the tractor and capable of drying the film material is provided at the bottom end of the frame, a drying chamber is provided in the drying box, at least one transition roller is provided in the drying chamber, and at least one dryer corresponding to the transition roller and capable of drying the film material is provided in the drying chamber. Through two transition rollers arranged sequentially from top to bottom and two opposite dryers, it is convenient to wrap the film around the two transition rollers in an S-shaped manner, so that both sides of the film can be dried. The drying box can be provided with a temperature sensor for sensing the temperature in the drying box to prevent excessive temperature from affecting the quality of the film.
[0015] Furthermore, two transition rollers are arranged in the drying chamber, and the two transition rollers are arranged in sequence from top to bottom. The feed end of the drying box is provided with an inclined plate, and dryers are arranged on the wall of the inclined plate and the wall of the drying chamber. The inclined plate is arranged to avoid affecting the entry of the film.
[0016] Furthermore, the two dryers are arranged opposite to each other, the thickness of the bottom end of the drying chamber gradually decreases from right to left, and the lowest end of the drying chamber is connected to the feed port of the drying chamber, and a discharge port is also arranged on the wall of the drying chamber. The arrangement of the bottom end of the drying chamber facilitates guiding the water in the drying box to flow into the collection box.
[0017] Compared with the prior art, the downward-blowing low-temperature stretch film stretching and forming device can not only cool the film material during the film blowing process through the cooperation of the set guide pipe, cooling structure and collecting structure, but also always ensure the temperature of the water in the trough in the guide pipe to avoid the water temperature rising and affecting the processing and forming of the film material, and can circulate the water to avoid wasting water resources, thereby improving the economic benefits of the manufacturer to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of the utility model;
[0019] Figure 2 For this utility model Figure 1 Schematic diagram of some structures in ;
[0020] Figure 3 For this utility model Figure 2 A schematic diagram of the structure with a cross-section of the middle part;
[0021] Figure 4 For this utility model Figure 3 The structural diagram of the upper middle part;
[0022] Figure 5 For this utility model Figure 3 The schematic diagram of the first perspective structure in the lower middle part;
[0023] Figure 6 For this utility model Figure 3 Schematic diagram of the second viewing angle structure in the lower middle part.
[0024] In the figure: 1. frame; 2. discharge film; 3. guide pipe; 4. cooling structure; 5. placement rack; 6. tractor; 7. placement trough; 8. water tank; 9. refrigerator; 10. circulation pump; 11. water outlet pipe A; 12. reflux pipe; 13. injection pipe; 14. collection structure; 15. collection box; 16. collection trough; 17. filter screen; 18. guide plate; 19. limit block; 20. handle; 21. water outlet pipe B; 22. connecting pipe; 23. drying box; 24. drying chamber; 25. dryer; 26. inclined plate; 27. feed port; 28. discharge port; 29. transition roller. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0026] See also Figures 1 to 6The utility model provides a technical solution: a downward blowing low-temperature stretch film stretching forming device, comprising a frame 1, a drying box 23 corresponding to the discharge end of the tractor 6 and capable of drying the film material is provided at the bottom of the frame 1, a drying chamber 24 is provided in the drying box 23, at least one transition roller 29 is provided in the drying chamber 24, at least one dryer 25 corresponding to the transition roller 29 and capable of drying the film material is provided in the drying chamber 24, two transition rollers 29 are provided in the drying chamber 24, and the two transition rollers 29 are arranged in sequence from top to bottom, an inclined plate 26 is provided at the feeding end of the drying box 23, and dryers 25 are provided on the wall of the inclined plate 26 and the wall of the drying chamber 24, the two dryers 25 are arranged oppositely, and the thickness of the bottom of the drying chamber 24 is The degree of drying gradually decreases from right to left, and the lowest end of the drying chamber 24 is connected to the feed port 27 of the drying chamber 24. A discharge port 28 is also provided on the wall of the drying chamber 24. A collecting structure 14 corresponding to the discharge end of the tractor 6 is provided at the bottom end of the frame 1. The collecting structure 14 includes a collecting box 15. A collecting trough 16 is provided in the collecting box 15. A filter screen plate 17 is provided at the top of the collecting trough 16. Both side walls of the filter screen plate 17 are provided with limit blocks 19 that can be embedded in the collecting box 15. A handle 20 is provided on the outside of the limit block 19. The angle between the guide plate 18 and the trough wall of the collecting trough 16 is 40° to 70°. A water outlet pipe B21 connected to the collecting trough 16 is provided on the outside of the collecting box 15. The thickness of the bottom end of the collecting trough 16 increases from the right to the left. The water level gradually decreases to the left, and the lowest end of the collecting tank 16 is connected to the water inlet end of the water outlet pipe B21. The water outlet end of the water outlet pipe B21 is connected to a pump, and the water outlet end of the pump is installed with a connecting pipe 22. The water outlet end of the connecting pipe 22 is installed at the top of the water tank 8. The two side walls of the filter screen plate 17 are provided with guide plates 18 connected to the filter screen plate 17. The water outlet end of the collecting structure 14 is connected to the water inlet end of the water tank 8. A discharge membrane 2 that can discharge material evenly is provided on the frame 1, and the discharge membrane 2 blows the membrane material downward to discharge the material. A guide pipe 3 corresponding to the discharge membrane 2 and capable of guiding the membrane material to move is provided in the frame 1. A cooling structure 4 connected to the guide pipe 3 and capable of cooling the membrane material is provided in the frame 1. The cooling structure 4 includes a cooling element arranged in the guide pipe 3, a placement groove 7 in the frame 1 is provided with a water tank 8 connected with the placement groove 7 and the water in the water tank 8 can be injected into the placement groove 7, the placement groove 7 is composed of an annular groove with a U-shaped cross-section, a circulation pump 10 for injecting water into the placement groove 7 is provided in the water tank 8, a water outlet pipe A11 connected with the circulation pump 10 is provided at the top of the placement groove 7, a reflux pipe 12 for injecting the water in the placement groove 7 into the water tank 8 is provided at the bottom of the guide pipe 3, an injection pipe 13 connected with the water tank 8 is provided at the top of the water tank 8, a refrigerator 9 for cooling the water is provided in the water tank 8, a placement rack 5 is provided below the frame 1, and a tractor 6 which cooperates with the cooling structure 4 and can pull and form the film material is provided in the placement rack 5.
[0027] The electrical components mentioned in this article are all connected to an external main controller and 380V commercial power, and the main controller can be a conventional known device for control such as a computer.
[0028] In the description of this specification, the terms "connect", "install", "fix", "set", etc. are understood in a broad sense. For example, "connection" can be a fixed connection or an indirect connection through an intermediate component without affecting the relationship between components and the technical effect. It can also be an integral connection or a partial connection. As in this example, for ordinary technicians in this field, the specific meanings of the above terms in this utility model or utility model can be understood according to the specific circumstances.
[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A downward blowing low-temperature stretch film stretching forming device, comprising a frame (1), characterized in that: The frame (1) is provided with a discharge film (2) capable of evenly discharging material, and the discharge film (2) blows the film material downward to discharge the material, the frame (1) is provided with a guide pipe (3) corresponding to the discharge film (2) and capable of guiding the film material to move, the frame (1) is provided with a cooling structure (4) connected to the guide pipe (3) and capable of cooling the film material, a placement rack (5) is provided below the frame (1), and the placement rack (5) is provided with a tractor (6) that cooperates with the cooling structure (4) and can pull and shape the film material.
2. A downward blowing low-temperature stretch film stretching forming device according to claim 1, characterized in that: The cooling structure (4) comprises a placement groove (7) arranged in the guide pipe (3); a water tank (8) connected to the placement groove (7) is arranged in the frame (1) and water in the water tank (8) can be injected into the placement groove (7); and a refrigerator (9) for cooling water is arranged in the water tank (8).
3. A downward blowing low-temperature stretch film stretching forming device according to claim 2, characterized in that: The water tank (8) is provided with a circulation pump (10) for injecting water into the placement tank (7); the top end of the placement tank (7) is provided with a water outlet pipe A (11) connected to the circulation pump (10); the bottom end of the guide pipe (3) is provided with a return pipe (12) for injecting water in the placement tank (7) into the water tank (8); the top end of the water tank (8) is provided with an injection pipe (13) connected to the water tank (8).
4. A downward blowing low-temperature stretch film stretching forming device according to claim 3, characterized in that: The placement groove (7) is composed of an annular groove with a U-shaped cross section.
5. A downward blowing low-temperature stretch film stretching forming device according to claim 4, characterized in that: The bottom end of the frame (1) is provided with a collecting structure (14) corresponding to the discharge end of the tractor (6), and the water outlet end of the collecting structure (14) is connected to the water inlet end of the water tank (8).
6. A downward blowing low-temperature stretch film stretching forming device according to claim 5, characterized in that: The collecting structure (14) comprises a collecting box (15), wherein a collecting trough (16) is provided in the collecting box (15), a filter screen plate (17) is provided at the top of the collecting trough (16), and guide plates (18) connected to the filter screen plate (17) are provided on both side walls of the filter screen plate (17).
7. A downward blowing low-temperature stretch film stretching forming device according to claim 6, characterized in that: Both side walls of the filter screen plate (17) are provided with stop blocks (19) that can be embedded in the collection box (15); a handle (20) is provided on the outside of the stop block (19); the angle between the guide plate (18) and the groove wall of the collection groove (16) is 40° to 70°; the outside of the collection box (15) is provided with a water outlet pipe B (21) connected to the collection groove (16); the thickness of the bottom end of the collection groove (16) gradually decreases from right to left and the lowest end of the collection groove (16) is connected to the water inlet end of the water outlet pipe B (21); the water outlet end of the water outlet pipe B (21) is connected to a pump and the water outlet end of the pump is installed with a connecting pipe (22); the water outlet end of the connecting pipe (22) is installed at the top end of the water tank (8).
8. The downward blowing low-temperature stretch film stretching forming device according to claim 1, characterized in that: The bottom end of the frame (1) is provided with a drying box (23) corresponding to the discharge end of the tractor (6) and capable of drying the film material, the drying box (23) is provided with a drying chamber (24), the drying chamber (24) is provided with at least one transition roller (29), and the drying chamber (24) is provided with at least one dryer (25) corresponding to the transition roller (29) and capable of drying the film material.
9. A downward blowing low-temperature stretch film stretching forming device according to claim 8, characterized in that: Two transition rollers (29) are provided in the drying chamber (24), and the two transition rollers (29) are arranged in sequence from top to bottom. An inclined plate (26) is provided at the feeding end of the drying box (23), and a dryer (25) is provided on the wall of the inclined plate (26) and the wall of the drying chamber (24).
10. A downward blowing low-temperature stretch film stretching forming device according to claim 9, characterized in that: The two dryers (25) are arranged opposite to each other, the thickness of the bottom end of the drying chamber (24) gradually decreases from right to left, and the lowest end of the drying chamber (24) is connected to the feed port (27) of the drying chamber (24), and a discharge port (28) is also provided on the wall of the drying chamber (24).