A dust protection device for a cast film production plant

Abstract

This utility model provides a dustproof device suitable for cast film production equipment. Its structure includes a foldable and stretchable dustproof cover and closed positioning plates. The dustproof cover has openings at its left and right ends and at its bottom. Two closed positioning plates are provided and respectively connected to and closed the openings at the left and right ends of the dustproof cover. When dust prevention is required, the dustproof cover is stretched and placed over the cast film take-up roller. Then, the dustproof cover is folded so that its length is equal to the length of the cast film take-up roller. The two closed positioning plates are then magnetically attached to the openings at the left and right ends of the dustproof cover. During installation, the end of the cast film take-up roller is embedded in the upper part of the limiting groove. Finally, an adjusting bolt is screwed in, causing an elastic clamping plate to extend into the bottom of the limiting groove. This clamping plate, in conjunction with the inner wall of the top of the limiting groove, clamps and positions the end of the cast film take-up roller, improving the convenience of operation for workers.

Description

Technical Field

[0001] This utility model relates to the field of dust prevention device technology, and in particular to a dust prevention device suitable for cast film production equipment. Background Technology

[0002] Cast film is a type of plastic film that is rapidly shaped by extruding molten plastic and then spreading it on a cooling roller. Its key features are high thickness uniformity, good transparency, and excellent heat-sealing performance.

[0003] In order to prevent dust, existing cast film is protected by directly covering the cast film take-up roller with a dust cover or dust cloth after it is wound up by the cast film take-up roller. In order to prevent the dust cover or dust cloth from being blown away by the wind, pressure blocks or other restrictive structures are set on the edges of the dust cover or dust cloth, which is inconvenient to operate. Utility Model Content

[0004] The purpose of this invention is to provide a dustproof device suitable for cast film production equipment in order to solve the above-mentioned problems.

[0005] The technical solution of this utility model is implemented as follows:

[0006] This utility model provides a dustproof device suitable for cast film production equipment. Its structure includes a foldable and stretchable dustproof cover and a closed positioning plate. The dustproof cover has openings at both ends and at the bottom. Two closed positioning plates are provided and are respectively connected to and closed at the openings at both ends of the dustproof cover. A sealing strip extends from the inner side of the openings at both ends of the dustproof cover. The outer wall of the sealing strip is vertically provided with a positioning groove. The inner wall of the positioning groove is provided with a first flexible magnetic strip. The end face of the closed positioning plate facing the dustproof cover is provided with a second flexible magnetic strip embedded in the positioning groove and attracted to the first flexible magnetic strip. The middle part of the closed positioning plate is provided with a clamping positioning component for positioning the cast film take-up roller.

[0007] In the above technical solution, when dust protection is required, the dust cover is stretched and placed over the cast film take-up roller. Then, the dust cover is folded so that its length is equal to the length of the cast film take-up roller. Next, two closed positioning plates are magnetically attached to the openings at the left and right ends of the dust cover. During the installation process, the end of the cast film take-up roller is embedded in the upper part of the limiting groove. Finally, the adjusting bolt is screwed in. The adjusting bolt drives the elastic clamping plate to extend into the bottom of the limiting groove, which, together with the inner wall at the top of the limiting groove, clamps and positions the end of the cast film take-up roller, improving the convenience of operation for workers.

[0008] In one embodiment, in order to clamp and position the end of the cast film take-up roller, the clamping positioning assembly includes a limiting groove located in the middle of the end face of the closed positioning plate facing the dust cover, an elastic clamping plate movably embedded in the bottom inner wall of the limiting groove, and an adjusting bolt screwed to the center of the other end face of the closed positioning plate, the end of the adjusting bolt being rotatably connected to the elastic clamping plate.

[0009] In one embodiment, the elastic clamping plate is positioned horizontally for easy extension.

[0010] In one embodiment, in order to be able to be directly fitted over the cast film take-up roller, the limiting groove has an inverted U-shaped structure, and its bottom end protrudes from the bottom surface of the closed positioning plate.

[0011] In one embodiment, a snap-fit ​​groove is provided on the outer side of the closed positioning plate for easy assembly and disassembly.

[0012] In one embodiment, in order to conform to the ground, the bottom surface of the enclosed positioning plate is flush with the bottom surface of the dust cover.

[0013] In one embodiment, for ease of folding and stretching, the dust cover has a square cross-section and its outer wall has several creases.

[0014] The advantages or beneficial effects of the above technical solutions include at least the following:

[0015] This utility model discloses a dustproof device suitable for cast film production equipment. When dust prevention is required, the dustproof cover is stretched and placed over the cast film take-up roller. Then, the dustproof cover is folded so that its length is equal to the length of the cast film take-up roller. Next, two closed positioning plates are magnetically attached to the openings at the left and right ends of the dustproof cover. During the installation process, the end of the cast film take-up roller is embedded in the upper part of the limiting groove. Finally, the adjusting bolt is screwed in, and the adjusting bolt drives the elastic clamping plate to extend into the bottom of the limiting groove. Together with the inner wall of the top of the limiting groove, the end of the cast film take-up roller is clamped and positioned, improving the convenience of operation for workers. Attached Figure Description

[0016] The accompanying drawings illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the principles of the present invention. These drawings are included to provide a further understanding of the present invention and are incorporated in and constitute a part of this specification.

[0017] Figure 1 This is a schematic diagram of the structure of a dustproof device applicable to cast film production equipment according to the present invention;

[0018] Figure 2 This is a schematic diagram of another perspective of the dustproof device for casting film production equipment according to this utility model;

[0019] Figure 3 This is a partial top view cross-sectional structural diagram of a dustproof device applicable to cast film production equipment according to this utility model;

[0020] Figure 4 This is a top view cross-sectional structural diagram of the connection between a dustproof device and a casting film take-up roller applicable to casting film production equipment according to this utility model. Detailed Implementation

[0021] Embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While some embodiments of the present invention are shown in the drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0022] It should be noted that, where there is no conflict, the embodiments and features described in these embodiments can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0023] It should be understood that the term "comprising" and its variations as used herein are open-ended, meaning "including but not limited to". The term "based on" means "at least partially based on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Definitions of other terms will be given in the following description. It should be noted that the concepts of "first", "second", etc., mentioned in this utility model are only used to distinguish different devices, modules, or units, and are not used to limit the order of functions performed by these devices, modules, or units or their interdependencies.

[0024] It should be noted that the terms "a" and "several" used in this utility model are illustrative rather than restrictive. Those skilled in the art should understand that, unless otherwise expressly indicated in the context, they should be understood as "one or more".

[0025] The names of the messages or information exchanged between the multiple devices in this embodiment of the invention are for illustrative purposes only and are not intended to limit the scope of these messages or information.

[0026] Reference Figures 1-4A dustproof device suitable for cast film production equipment, the structure of which includes a foldable and stretchable dustproof cover 1 and a closed positioning plate 2. The dustproof cover 1 has openings at the left and right ends and the bottom. There are two closed positioning plates 2, which are respectively connected to and closed at the openings at the left and right ends of the dustproof cover 1.

[0027] The dust cover 1 is made of either PVC or fabric, with PVC being preferred to improve durability and structural stability after stretching.

[0028] A sealing strip 11 extends from the inner side of the openings at both ends of the dust cover 1. A positioning groove 12 is vertically provided on the outer wall of the sealing strip 11. A first flexible magnetic strip 13 is provided on the inner wall of the positioning groove 12. A second flexible magnetic strip 24 is provided on the end face of the closed positioning plate 2 facing the dust cover 1, which is embedded in the positioning groove 12 and attracted to the first flexible magnetic strip 13. A clamping positioning component for positioning the cast film take-up roller is provided in the middle of the closed positioning plate 2.

[0029] In the above technical solution, when dust protection is required, the dust cover 1 is stretched and placed over the cast film take-up roller. Then, the dust cover 1 is folded so that its length is equal to the length of the cast film take-up roller. Next, two closed positioning plates 2 are magnetically attached to the openings at the left and right ends of the dust cover 1. During installation, the end of the cast film take-up roller is embedded in the upper part of the limiting groove 21. Figure 4 As shown, finally screw in the adjusting bolt 23. The adjusting bolt 23 drives the elastic clamping plate 22 to extend into the bottom of the limiting slot 21. It works in conjunction with the inner wall of the top of the limiting slot 21 to clamp and position the end of the cast film take-up roller, improving the convenience of operation for workers.

[0030] In one embodiment, in order to clamp and position the end of the cast film take-up roller, the clamping positioning assembly includes a limiting groove 21 located in the middle of the end face of the closed positioning plate 2 facing the dust cover 1, an elastic clamping plate 22 movably embedded in the bottom inner wall of the limiting groove 21, and an adjusting bolt 23 screwed to the center of the other end face of the closed positioning plate 2, the end of the adjusting bolt 23 being rotatably connected to the elastic clamping plate 22.

[0031] The elastic clamping plate 22 is made of rubber or elastic plastic.

[0032] In one embodiment, the elastic clamping plate 22 is horizontally positioned for easy extension.

[0033] In one embodiment, in order to be able to be directly fitted over the cast film take-up roller, the limiting groove 21 has an inverted U-shaped structure, and its bottom end protrudes from the bottom surface of the closed positioning plate 2.

[0034] In one embodiment, for ease of assembly and disassembly, the outer side of the closed positioning plate 2 is provided with a snap groove 25.

[0035] In one embodiment, in order to fit the ground, the bottom surface of the closed positioning plate 2 is flush with the bottom surface of the dust cover 1.

[0036] In one embodiment, for ease of folding and stretching, the dust cover 1 has a square cross-section and its outer wall has several creases.

[0037] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0038] Those skilled in the art should understand that the above embodiments are merely for clearly illustrating the present invention and are not intended to limit the scope of the present invention. Those skilled in the art can make other changes or modifications based on the above disclosure, and these changes or modifications still fall within the scope of the present invention.

Claims

1. A dustproof device suitable for cast film production equipment, characterized in that: Its structure includes a foldable and stretchable dust cover (1), which has openings at the left and right ends and at the bottom; Two closed positioning plates (2) are provided and are respectively connected to the left and right openings of the dust cover (1); A sealing strip (11) extends from the inner side of the openings at both ends of the dust cover (1). A positioning groove (12) is vertically provided on the outer wall of the sealing strip (11). A first flexible magnetic strip (13) is provided on the inner wall of the positioning groove (12). A second flexible magnetic strip (24) is provided on the end face of the closed positioning plate (2) facing the dust cover (1), which is embedded in the positioning groove (12) and attracted to the first flexible magnetic strip (13). A clamping positioning component for positioning the cast film take-up roller is provided in the middle of the closed positioning plate (2).

2. A dustproof device suitable for cast film production equipment according to claim 1, characterized in that: The clamping positioning assembly includes a limiting slot (21) located in the middle of the end face of the closed positioning plate (2) facing the dust cover (1), an elastic clamping plate (22) movably embedded in the bottom inner wall of the limiting slot (21), and an adjusting bolt (23) screwed to the center of the other end face of the closed positioning plate (2). The end of the adjusting bolt (23) is rotatably connected to the elastic clamping plate (22).

3. A dustproof device suitable for cast film production equipment according to claim 2, characterized in that: The elastic clamping plate (22) is set horizontally.

4. A dustproof device suitable for cast film production equipment according to claim 2, characterized in that: The limiting slot (21) has an inverted U-shaped structure, and its bottom end protrudes from the bottom surface of the closed positioning plate (2).

5. A dustproof device for cast film production equipment according to claim 1, characterized in that: The outer side of the closed positioning plate (2) is provided with a buckle groove (25).

6. A dustproof device for cast film production equipment according to claim 1, characterized in that: The bottom surface of the closed positioning plate (2) is flush with the bottom surface of the dust cover (1).

7. A dustproof device for cast film production equipment according to claim 1, characterized in that: The dust cover (1) has a square cross-section and its outer wall has several creases.

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