Device for reducing scratches and bright lines on membrane surface of blow-molded geomembrane
By combining a protective cover with upper and lower rollers, the problem of scratches and bright lines caused by herringbone plates during the blow molding process of geomembrane was solved, achieving a low-cost and efficient transformation effect and improving the forming quality of geomembrane.
Patent Information
- Application Number
- CN202520181469.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-05
AI Technical Summary
In existing technologies, geomembranes are prone to scratches and bright lines on the membrane surface during the blow molding process due to herringbone plates, and the modification of tracked herringbone plates is costly and difficult.
The system employs a combination of a protective cover and upper and lower rotating rollers. By moving the protective cover synchronously with the geomembrane, friction and jamming are reduced. During use, the combination of the herringbone plate, the protective cover, and the upper and lower rotating rollers further reduce friction and jamming, thus improving the forming quality of the geomembrane.
It effectively reduces scratches and bright lines on the surface of the geomembrane after molding, lowers the difficulty and cost of modification, and improves the quality of the geomembrane.
Smart Images

Figure CN223720184U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to geomembrane processing treatment equipment field, especially in kind of device that blow molding geomembrane reduces film surface scratch and bright line. BACKGROUND
[0002] When geomembrane blow molding is processed, the cylindrical membrane needs to be guided into a sheet through a herringbone plate. In some working conditions, the surface of the herringbone plate is easy to cause bright lines or scratches on the geomembrane, and in some working conditions, wrinkles are also easy to appear due to the jamming between the geomembrane and the herringbone plate. Therefore, in order to further optimize the blow molding quality of the geomembrane, some existing technologies use track-type herringbone plates to make the track move synchronously with the geomembrane, such as the track-type herringbone plate disclosed in the patent with publication number CN213055989U. In such technologies, the herringbone plate needs to be structurally improved, which is high in modification cost and increases the weight of the herringbone plate, and is difficult to modify. Based on the above technical problems, the applicant proposes a device for reducing film surface scratches and bright lines in blow molding geomembrane. SUMMARY
[0003] In order to solve the above technical problems, the utility model provides a kind of device for reducing film surface scratches and bright lines in blow molding geomembrane, by being provided with protective cover and upper roller, lower roller, effectively solve the existing problems.
[0004] In order to solve the above problems, the utility model provides a kind of device for reducing film surface scratches and bright lines in blow molding geomembrane, comprising: a protective cover, the protective cover includes a flexible cover body, connecting ropes arranged on both sides of the cover body, one end of the connecting rope extends to the outside of the cover body to form a traction section;Upper roller, which can be installed at the upper end of the herringbone plate, the upper roller can wind or release the traction section of the connecting rope;Lower roller, which can be installed at the lower end of the herringbone plate, the lower roller can wind or release the protective cover.
[0005] Further, the cover body is provided as a non-woven fabric cover body.
[0006] Further, it further includes guide rods arranged on both sides of the herringbone plate, the guide rods form guide cavities for the connecting ropes to pass through, and the guide rods are provided with openings for the cover bodies to pass through on the side facing the herringbone plate.
[0007] Further, the guide rods are located inside the inner surface of the herringbone plate, and the guide rods and the herringbone plate are provided with a tensioning part, and the tensioning part is provided with an extension on the side facing the inner side of the herringbone plate, so that the tensioning part can resist and tighten the cover body towards the herringbone plate.
[0008] Further, the tensioning part comprises a tensioning part body, an abutting part arranged at one end of the tensioning part towards the cover body, and an end of the abutting part away from the tensioning part body is capable of abutting with the cover body, and the abutting part is arranged to be telescopic.
[0009] Further, the abutting part comprises an abutting rod movably mounted on the tensioning part body, a spring arranged between the abutting rod and the tensioning part body, and an electromagnet.
[0010] Further, a side surface of the abutting rod towards the cover body is arranged to be an arc-shaped side surface.
[0011] Further, the tensioning part body comprises a mounting groove, an opening is formed at a bottom of the mounting groove, and a limiting flange is formed by outwardly folding at the opening position of the mounting groove, the abutting rod comprises limiting ribs arranged on both sides of the mounting groove, and an inner flange is formed by inwardly folding at a top of the limiting ribs, and the inner flange is capable of limiting abutting with the limiting flange; and the mounting groove forms a mounting space of the spring and the electromagnet.
[0012] Further, the guide rod comprises a connecting seat connected to the herringbone plate, and a rod body connected to the connecting seat, and the rod body is provided with the guide cavity.
[0013] Further, the connecting seat is welded to the herringbone plate.
[0014] The protective cover and the upper rotating roller and the lower rotating roller are arranged, and the problems are effectively solved. BRIEF DESCRIPTION OF DRAWINGS
[0015] The drawings described herein are used to provide a further understanding of the present application, and form a part of the present application, and the schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:
[0016] Figure 1 It is a structural schematic diagram when an embodiment of the present application is implemented.
[0017] Figure 2 It is a structural schematic diagram when an embodiment of the present application is implemented. Figure 1 It is a partial lateral sectional view structural schematic diagram of the tensioning part position of the embodiment shown.
[0018] Figure 3 It is a structural schematic diagram of the part abutting rod after being extended downwards. Figure 2
[0019] Figure 4 It is a front view structural schematic diagram of the herringbone plate after the university rod is installed. Figure 1
[0020] Wherein: 1, cover body; 2, connecting rope; 3, upper roller; 4, lower roller; 5, guide rod; 501, connecting seat; 502, rod body; 6, guide cavity; 7, tensioning part body; 701, mounting groove; 702, limiting turnup; 8, abutting portion; 801, abutting rod; 802, inner turnup; 9, spring; 10, electromagnet; 11, chevron plate. DETAILED DESCRIPTION
[0021] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail in conjunction with the accompanying drawings.
[0022] It should be noted that in the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can be practiced in other ways different from those described herein, therefore, the scope of protection of the present application is not limited by the specific embodiments disclosed below.
[0023] In addition, in the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the present application.
[0024] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements. However, it is noted that direct connection means that the connection between the two main bodies does not form a connection relationship through an excessive structure, but only connects through a connecting structure to form a whole. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0025] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0026] In the present application, as shown in Figures 1 to 4 A device for reducing scratches and bright lines on the surface of a blown geomembrane is provided, comprising: a protective cover, the protective cover comprising a flexible cover body 1, a connecting rope 2 arranged on both sides of the cover body 1, one end of the connecting rope 2 extending to the outside of the cover body 1 to form a traction section; an upper rotating roller 3 capable of being installed at the upper end of a chevron plate 11, the upper rotating roller 3 being capable of winding or releasing the traction section of the connecting rope 2; and a lower rotating roller 4 capable of being installed at the lower end of the chevron plate 11, the lower rotating roller 4 being capable of winding or releasing the protective cover.
[0027] In use, as shown in the figure, the upper rotating roller 3 is installed on the upper side of the chevron plate 11, and the lower rotating roller 4 is installed on the lower side of the chevron plate 11. When the cover body 1 needs to be used, the upper rotating roller 3 can be rotated to drive the cover body 1 wound on the lower rotating roller 4 to move upward to the inside of the chevron plate 11. At this time, during the upward movement of the blown membrane, the cover body 1 directly contacts the membrane. Compared with the irregular contact between the inner surface of the existing chevron plate 11 (part of the working condition adopts multiple rows of rotating rollers or multiple rows of supporting plates) and the membrane, the friction and jamming between the inner surface of the chevron plate 11 and the membrane can be reduced, thereby reducing the scratches and bright lines on the surface of the geomembrane after forming, and improving the quality of the geomembrane. In the working condition where the cover body 1 is not needed, the lower rotating roller 4 can be actively rotated to rewind the cover body 1 to the lower rotating roller 4.
[0028] The present application installs the upper rotating roller 3 and the lower rotating roller 4 on the upper and lower sides of the chevron plate 11, which facilitates processing and modification at the position of the existing chevron plate 11, and the upper rotating roller 3 and the lower rotating roller 4 are also easier to install and fix on the rack on one side of the chevron plate 11.
[0029] It should be noted that, for the active rotation of the upper rotating roller 3 and the lower rotating roller 4, as a preferred option, the upper rotating roller 3 and the lower rotating roller 4 with a motor can be used.
[0030] In the preferred embodiment, for the structure of the utility model, further specific said, the cover 1 is provided as non-woven fabric cover 1. Adopt non-woven fabric cover 1, processing cost is relatively lower. Moreover, non-woven fabric cover 1 and geomembrane are not easy to rub and jam.
[0031] In the preferred embodiment, for the structure of the utility model, further specific said, still include the guide rod 5 of being arranged in the two sides of the vane board 11, the guide rod 5 is formed with the guide cavity 6 that the connecting rope 2 passes, the guide rod 5 is equipped with the opening that the cover 1 passes in the side towards the vane board 11. As shown in the figure, by setting up the guide rod 5, by this can guide the position of connecting rope 2 in the two sides of vane board 11 when moving, so that the cover 1 in the inside of vane board 11 guarantees the extensibility of cover 1.
[0032] In the preferred embodiment, for the structure of the utility model, further specific said, the guide rod 5 is located in the inside of the inner surface of the vane board 11, the vane board 11 and the guide rod 5 between are equipped with the tightener, the tightener is set to be scalable in the side towards the inside of the vane board 11, to make the tightener can hold up and tighten the cover 1 towards the vane board 11.
[0033] As shown in the figure, the guide rod 5 is located in the inside of the inner surface of the vane board 11, so that when the tightener is not in contact with the cover 1, the cover 1 has a certain activity gap between the inner surface of the vane board 11 during the up and down movement of the cover 1 driven by the connecting rope 2, so as to facilitate the movement of the cover 1. After the cover 1 is moved into position to the inner surface of the vane board 11, the tightener is held up and tightened towards the vane board 11 at this time, so that the cover 1 is tightened on the inner surface of the vane board 11. In this way, the probability of wrinkles on the cover 1 due to relaxation of the cover 1 can be reduced, and the forming quality of the geomembrane can be further optimized.
[0034] In the preferred embodiment, for the structure of the utility model, further specific said, the tightener includes a tightener body 7, an abutting portion 8 provided at one end of the tightener body 7 facing the cover 1, and an electromagnet 10 and a spring 9 provided between the abutting portion 8 and the tightener body.
[0035] In the preferred embodiment, for the structure of the utility model, further specific said, the abutting portion 8 includes an abutting rod 801 movably installed on the tightener body 7, the spring 9 and the electromagnet 10 provided between the abutting rod 801 and the tightener body.
[0036] As shown in the figure, the electromagnet 10 is located in the tensioning part body 7, the abutting rod 801 is provided with a magnetic attraction block matched with the electromagnet 10, when the abutting rod 801 is in the upward contraction, the electromagnet 10 actively attracts the magnetic attraction block upward and the abutting rod 801 compresses the spring 9, at this time, the bottom of the abutting rod 801 is separated from the cover body 1. When the abutting rod 801 is extended downward, the electromagnet 10 is powered off, and under the action of the weight of the abutting rod 801 and the thrust of the spring 9, the abutting rod 801 moves downward to abut against the cover body 1. In a specific embodiment, the length direction of the abutting rod 801 can be provided with a plurality of electromagnets 10 and springs 9 at intervals.
[0037] In a preferred embodiment, for the structure of the utility model, further specifically, the side surface of the abutting rod 801 towards the cover body 1 is provided as an arc-shaped side surface. In this way, the contact position of the cover body 1 and the abutting rod 801 is not easy to jam when moving, and the cover body 1 moves more smoothly.
[0038] In a preferred embodiment, for the structure of the utility model, further specifically, the tensioning part body 7 comprises a mounting groove 701, the bottom of the mounting groove 701 is open, the mounting groove 701 is outwardly folded at the opening position to form a limiting folded edge 702, the abutting rod 801 comprises a limiting rib provided on both sides of the mounting groove 701, the top of the limiting rib is inwardly folded to form an inwardly folded edge 802, the inwardly folded edge 802 can limit and abut against the limiting folded edge 702; the mounting groove 701 forms the mounting space of the spring 9 and the electromagnet 10.
[0039] In a preferred embodiment, for the structure of the utility model, further specifically, the guide rod 5 comprises a connecting seat 501 connected to the herringbone plate 11 and a rod body 502 connected to the connecting seat 501, and the rod body 502 is provided with the guide cavity 6.
[0040] In a preferred embodiment, for the structure of the utility model, further specifically, the connecting seat 501 is welded to the herringbone plate 11. In this way, the existing herringbone plate 11 can be conveniently installed and modified.
[0041] In the illustrated embodiment, it is further explained that, in order to conveniently show the modification application of the utility model in the position of the herringbone plate 11, Figure 1 in the left herringbone plate 11 position, the structure of the utility model is drawn, and the right herringbone plate 11 position shows the structure of the conventional herringbone plate 11.
[0042] The various embodiments in the specification are described in progressive manner, and the same or similar parts among the various embodiments can be mutually referred to, and each embodiment focuses on the difference from other embodiments. In particular, for the system embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and the relevant parts can be referred to the part of the method embodiments.
[0043] The above only describes the embodiments of the present application and is not intended to limit the present application. The present application can have various modifications and changes for those skilled in the art. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the scope of claims of the present application.
Claims
1. An apparatus for reducing surface scratches and striae in a blown geomembrane, comprising: The utility model relates to a protective cover for a person on a ladder, comprising: a protective cover comprising a flexible cover body, connecting ropes arranged on both sides of the cover body, one end of the connecting ropes extending outside the cover body to form a traction section; an upper turning roller capable of being installed at the upper end of the ladder, the upper turning roller being capable of winding or releasing the traction section of the connecting ropes; a lower turning roller capable of being installed at the lower end of the ladder, the lower turning roller being capable of winding or releasing the protective cover.
2. A device for reducing surface scratches and mura of a blown geomembrane according to claim 1, characterized in that, The cover body is arranged as a non-woven fabric cover body.
3. The apparatus for reducing surface scratches and mura of a blown geomembrane according to claim 1, wherein Further comprising guide rods arranged on both sides of the ladder, the guide rods being formed with guide cavities for the connecting ropes to pass through, the guide rods being provided with openings on the side facing the ladder for the cover body to pass through.
4. A device for reducing surface scratches and mura of a blown geomembrane according to claim 3, characterized in that, The guide rods are located inside the inner side of the inner surface of the ladder, a tensioning part being arranged between the ladder and the guide rods, the tensioning part being arranged to be extendable on the side facing the inner side of the ladder so that the tensioning part can abut and tighten the cover body towards the ladder.
5. A device for reducing surface scratches and mura of a blown geomembrane according to claim 4, wherein The tensioning part comprises a tensioning part body and an abutting part arranged at one end of the tensioning part facing the cover body, the end of the abutting part away from the tensioning part body being capable of abutting the cover body, the abutting part being arranged to be extendable.
6. A device for reducing surface scratches and mura of a blown geomembrane according to claim 5, wherein The abutting part comprises an abutting rod movably installed on the tensioning part body, a spring and an electromagnet arranged between the abutting rod and the tensioning part body.
7. A device for reducing surface scratches and mura of a blown geomembrane according to claim 6, characterized in that, The side of the abutting rod facing the cover body is arranged as an arc-shaped side.
8. A device for reducing surface scratches and mura of a blown geomembrane according to claim 6, wherein The tensioning part body comprises a mounting groove, the bottom of the mounting groove being open, the mounting groove being folded outward at the open position to form a limiting folded edge, the abutting rod comprising limiting ribs arranged on both sides of the mounting groove, the top of the limiting ribs being folded inward to form inwardly folded edges, the inwardly folded edges being capable of limiting abutment with the limiting folded edge; the mounting groove forms a mounting space for the spring and the electromagnet.
9. The apparatus for reducing surface scratches and mura of a blown geomembrane according to claim 3, wherein The guide rod comprises a connecting seat connected to the ladder and a rod body connected to the connecting seat, the rod body being provided with the guide cavities.
10. A device for reducing surface scratches and mura of a blown geomembrane according to claim 9, wherein The connecting seat is welded to the ladder.
Citation Information
Patent Citations
Crawler type herringbone plate
CN213055989U