Plastic film extension device
By designing a plastic film extension device including opposing fixed plates, support frames, lift locks, rotating round rods and heating panels, the problems of complex operation and uneven expansion of traditional devices are solved, and uniform extension and high efficiency of plastic film are achieved forming.
Patent Information
- Application Number
- CN202420732824.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-10
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-04-10
AI Technical Summary
Traditional plastic film extension devices have limitations in operation, such as complex operation, uneven extension, weak surface support, no heating or uneven heating, resulting in film stretching and breaking.
A plastic film extension device including a first support frame, a first extension device, a second extension device and an auxiliary extension device are designed. The first extension device consists of an opposing fixing plate, a support frame, a lift lock and a rotating round rod. The auxiliary extension device includes a heating panel and a rotating bearing to ensure that the plastic film is uniformly heated and subjected to a uniform force during the extension process.
Through this device, the plastic film can achieve uniform extension, reduce tension, improve uniformity and efficiency of extension, ensure the quality and performance of the final product, and improve the stability and durability of the device.
Smart Images

Figure CN222522014U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic film processing, in particular to a plastic film stretching device. Background Art
[0002] A plastic film stretching device is a device used in industrial production to stretch plastic film to the required size and thickness. In the manufacturing process of plastic products, plastic film is usually an important raw material. They can be used for various applications such as packaging, covering, and protection. In order to meet the requirements of different products, plastic film usually needs to undergo a stretching process to change its size, thickness, and performance. This innovative plastic film stretching device not only meets the industrial production needs for high efficiency, stability, and versatility, but also brings new development opportunities to the plastic film manufacturing industry. Utility Model Content
[0003] The purpose of the utility model is to solve some limitations that may exist in the operation of traditional devices, such as complex operation, uneven extension, weak surface support, no heating or uneven heating, resulting in film stretching and breakage.
[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:
[0005] A plastic film stretching device includes a first support frame, a first stretching device is arranged on one side of the upper end of the first support frame, a second stretching device is arranged on the upper end of the first support frame and the opposite end of the first stretching device, an auxiliary stretching device is arranged between the first stretching device and the second stretching device, and a discharge plate is arranged on the bottom of the first support frame.
[0006] Furthermore, the first extending device includes two groups of opposing fixed plates, second support frames are arranged on both sides of the upper ends of the fixed plates, lifting locks are arranged on the upper ends of the fixed plates, a first rotating round rod is arranged on the inner ends of the lifting locks, a rotating motor is arranged on one side end of the first rotating round rod, and a second rotating round rod is arranged on the lower end of the fixed plate adjacent to the first rotating round rod. The design of the first extending device allows the plastic film to be evenly extended without unevenness or excessive stretching, thereby ensuring the quality and performance of the final product.
[0007] Furthermore, the auxiliary extension device includes a base plate, a heating panel is provided on the upper end of the base plate, fixed rods are provided on both sides of the upper end of the base plate, a number of rotating bearings are evenly and equidistantly arranged on the fixed rods, and a third rotating round rod is provided on the rotating bearings. The heating panel in the auxiliary extension device can provide appropriate heat, which helps to heat the plastic film during the extension process, making it easier to extend and shape, which helps to reduce the tension during extension and improve the uniformity and efficiency of extension. The equidistant arrangement of the rotating bearings allows the third rotating round rod to rotate evenly during the extension process, ensuring that the plastic film is evenly stressed, avoiding uneven extension, and improving the quality and stability of the extension.
[0008] Furthermore, the first extending device and the second extending device have the same structure.
[0009] Furthermore, the surfaces of the first rotating round rod, the second rotating round rod and the third rotating round rod are all made of silicone material.
[0010] Compared with the prior art, the beneficial effects of the utility model are:
[0011] 1. Improve stretching efficiency: The heating panel in the auxiliary stretching device can provide appropriate heat to help heat the plastic film, making it easier to stretch and shape, which helps to reduce the tensile force during stretching and improve the uniformity and efficiency of stretching;
[0012] 2. Stability and durability: The surfaces of the first rotating round rod, the second rotating round rod and the third rotating round rod are made of silicone material, which has good wear resistance and stability. The use of silicone material can improve the stability of the device, reduce maintenance requirements, and ensure that the plastic film is evenly stressed, thereby improving the quality and stability of the extension. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the utility model;
[0014] Figure 2 This is a schematic diagram of the first extension device of the utility model;
[0015] Figure 3 It is a schematic diagram of the auxiliary extension device of the utility model.
[0016] In the figure, 1-support frame, 2-first extension device, 3-second extension device, 4-auxiliary extension device, 5-discharging plate, 21-fixed plate, 22-support frame, 23-lifting lock, 24-first rotating round rod, 25-rotating motor, 26-second rotating round rod, 41-bottom plate, 42-heating panel, 43-fixed rod, 44-rotating bearing, 45-third rotating round rod. DETAILED DESCRIPTION
[0017] 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.
[0018] Combination Figure 1-3 A plastic film stretching device is shown, comprising a first support frame 1, a first stretching device 2 is arranged on one side of the upper end of the first support frame 1, a second stretching device 3 is arranged at the upper end of the first support frame 1 opposite to the first stretching device 2, an auxiliary stretching device 4 is arranged between the first stretching device 2 and the second stretching device 3, and a discharge plate 5 is arranged on the bottom of the first support frame 1.
[0019] The first extension device 2 includes two sets of opposite fixed plates 21, and second support frames 22 are arranged on both sides of the upper end of the fixed plate 21. A lifting lock 23 is arranged on the upper end of the fixed plate 21, and a first rotating round rod 24 is arranged on the inner end of the lifting lock 23. A rotating motor 25 is arranged on one side of the first rotating round rod 24. A second rotating round rod 26 is arranged on the lower end of the fixed plate 21 adjacent to the first rotating round rod 24. The design of the first extension device allows the plastic film to be evenly extended without uneven or excessive stretching, thereby ensuring the quality and performance of the final product; the auxiliary extension device 4 includes a bottom plate 41, a heating panel 42 is arranged on the upper end of the bottom plate 41, and fixed rods 43 are arranged on both sides of the upper end of the bottom plate 41. A number of rotating bearings 44 are evenly and equidistantly arranged on the fixed rod 43, and a third rotating round rod 45 is arranged on the rotating bearings 44. The heating panel in the auxiliary extension device can provide appropriate heat, which is helpful to heat the plastic film during the extension process, making it easier to extend and shape, which helps to reduce the tension during extension and improve the uniformity and efficiency of extension. The equidistant arrangement of the rotating bearings enables the third rotating round rod to rotate evenly during the extension process, ensuring that the plastic film is evenly stressed, avoiding uneven extension, and improving the quality and stability of extension; the first extension device 2 and the second extension device 3 have the same structure; the surfaces of the first rotating round rod 24, the second rotating round rod 26, and the third rotating round rod 45 are all made of silicone material. Working principle: The first extension device 2 is composed of two groups of fixed plates 21, which are arranged oppositely. A second support frame 22 is arranged on the upper end of the fixed plate. The second support frame is used to stabilize the fixed plate. A lifting lock 23 is installed on the upper end of the fixed plate, and a first rotating round rod 24 is installed on its inner side end. One side of the first rotating round rod is connected to a rotating motor 25 to drive it to rotate. A second rotating round rod 26 is arranged at the lower end of the fixed plate adjacent to the first rotating round rod. Such a design allows the plastic film to be uniformly extended through rotational movement to avoid uneven or excessive stretching, thereby ensuring the quality and performance of the final product. The auxiliary extension device 4 includes a bottom plate 41, and a heating panel 42 is arranged on the bottom plate. Used to heat the plastic film to make it easier to stretch and shape. The fixed rod 43 is evenly and equidistantly arranged with rotating bearings 44, and the rotating bearing is equipped with a third rotating round rod 45. This arrangement ensures that the third rotating round rod rotates evenly during the stretching process, thereby ensuring that the plastic film is evenly stressed and avoiding uneven stretching. The heat provided by the heating panel can reduce the tension during stretching and improve the uniformity and efficiency of stretching. The surfaces of the first rotating round rod 24, the second rotating round rod 26 and the third rotating round rod 45 are made of silicone material. The silicone material has good wear resistance and stability, which can improve the stability of the device, reduce maintenance costs, and ensure that the plastic film is evenly stressed.
[0020] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0021] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A plastic film stretching device, comprising a first support frame (1), characterized in that: A first extension device (2) is provided on one side of the upper end of the first support frame (1), a second extension device (3) is provided on the upper end of the first support frame (1) and at the end opposite to the first extension device (2), an auxiliary extension device (4) is provided between the first extension device (2) and the second extension device (3), and a material discharge plate (5) is provided on the bottom of the first support frame (1); The first extension device (2) comprises two groups of fixed plates (21) in an opposed shape, second support frames (22) are arranged on both sides of the upper ends of the fixed plates (21), a lifting lock (23) is arranged on the upper ends of the fixed plates (21), a first rotating round rod (24) is arranged on the inner side ends of the lifting lock (23), a rotating motor (25) is arranged on one side end of the first rotating round rod (24), and a second rotating round rod (26) is arranged on the lower end of the fixed plate (21) adjacent to the first rotating round rod (24); The auxiliary extension device (4) comprises a bottom plate (41), a heating panel (42) is arranged at the upper end of the bottom plate (41), fixing rods (43) are arranged on both sides of the upper end of the bottom plate (41), a plurality of rotating bearings (44) are arranged evenly and equidistantly on the fixing rods (43), and a third rotating round rod (45) is arranged on each of the rotating bearings (44).
2. A plastic film stretching device according to claim 1, characterized in that: The first extension device (2) and the second extension device (3) have the same structure.
3. A plastic film stretching device according to claim 2, characterized in that: The surfaces of the first rotating round rod (24), the second rotating round rod (26), and the third rotating round rod (45) are all made of silicone material.