Soft folding-resistant abrasive paper

Abstract

The utility model belongs to the technical field of abrasive paper, in particular to soft folding-resistant abrasive paper, which comprises an abrasive paper main body, the abrasive paper main body comprises a base material layer and an abrasive material layer which are bonded and fixed by using a binder, and further comprises a reinforcing braid layer, the reinforcing braid layer is positioned between the base material layer and the abrasive material layer, and the reinforcing braid layer comprises reinforcing wires, the plurality of reinforcing wires are distributed at equal intervals and are woven in a criss-cross manner to form the reinforcing woven layer, and a plurality of glue storage grooves which are linearly arranged are formed in the reinforcing woven layer; according to the abrasive paper, through the arrangement of the reinforcing braid layer, on one hand, the overall toughness and bending resistance of the abrasive paper can be improved, the abrasive paper can be safely suitable for most machining scenes, especially the working environment needing frequent bending or folding, the safety of the abrasive paper is greatly improved, and the service life of the abrasive paper is greatly prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the sandpaper technical field, concretely relates to a soft and foldable sandpaper. BACKGROUND

[0002] Sandpaper is a kind of abrasive tool for grinding and polishing, usually composed of two parts of substrate and abrasive, and the substrate of sandpaper is generally made of paper, cloth or plastic film and other materials, among which, paper substrate is more common, cloth substrate has higher strength and wear resistance, and is suitable for some occasions requiring greater grinding force;Plastic film substrate has the characteristics of waterproof, moisture-proof and chemical corrosion resistance, and is often used in some special grinding environment.

[0003] At present, the abrasive layer is usually bonded and fixed on the substrate by using special adhesive to ensure that the abrasive does not fall off during use, and at the same time, the sandpaper has certain flexibility and durability.

[0004] Sandpaper has good heat dissipation performance to ensure good working performance, for example, in the prior art, the Chinese utility model patent with the authorization announcement number CN220537738U discloses "a wear-resistant sandpaper", which comprises sandpaper, a plurality of sub-paste are arranged on the surface of the sandpaper, a protective film is arranged on the top of the sandpaper, a plurality of mother paste are arranged on the bottom surface of the protective film, the plurality of sub-paste are bonded with the plurality of mother paste respectively, a first heat insulation layer is arranged on the bottom surface of the sandpaper, a plurality of silica gel strips are arranged at the bottom end of the first heat insulation layer, and a breathable layer is arranged at one end of the plurality of silica gel strips.

[0005] The wear-resistant sandpaper in the prior art including the above has good heat dissipation performance, but the folding resistance is poor, which may be limited in some specific application scenarios due to poor folding resistance, for example, in the working environment requiring frequent bending or folding (such as polishing complex-shaped objects, polishing narrow spaces or internal surfaces, etc.), such sandpaper may be more prone to damage or breakage, thereby affecting its service life and working efficiency.

[0006] To solve the above problems, the utility model provides a soft and foldable sandpaper. CONTENT OF THE UTILITY MODEL

[0007] To solve the above problems in the prior art, the utility model provides a soft and foldable sandpaper, which has the characteristics of convenient use, good bending resistance and long service life.

[0008] To achieve the above purpose, the utility model provides the following technical scheme: a soft and foldable sandpaper, comprising a sandpaper main body, the sandpaper main body comprises a substrate layer and an abrasive layer bonded and fixed by using adhesive, further comprising a reinforcing braid layer, the reinforcing braid layer is located between the substrate layer and the abrasive layer, and the reinforcing braid layer comprises:

[0009] The reinforcing filaments are evenly distributed and are interlaced to form the reinforcing braid layer, and a plurality of glue storage grooves in linear arrangement are formed on the reinforcing braid layer.

[0010] As a preferred technical scheme of the utility model, the reinforcing filaments comprise polyester fibers and nylon fibers, and the polyester fibers and the nylon fibers are twisted into helical reinforcing filaments.

[0011] As a preferred technical scheme of the utility model, the reinforcing filaments further comprise metal fibers, and the metal fibers, the polyester fibers and the nylon fibers are twisted into helical reinforcing filaments.

[0012] As a preferred technical scheme of the utility model, the metal fibers are copper wires.

[0013] As a preferred technical scheme of the utility model, the sandpaper body further comprises:

[0014] The bottom backing layer is fixedly bonded to the back surface of the base material layer.

[0015] As a preferred technical scheme of the utility model, the bottom backing layer is one of a cloth bottom backing, a paper bottom backing or a plastic bottom backing.

[0016] As a preferred technical scheme of the utility model, the sandpaper body further comprises:

[0017] The limiting convex frame is fixed to the top surface of the base material layer, and the reinforcing braid layer and the abrasive layer are both located inside the limiting convex frame.

[0018] As a preferred technical scheme of the utility model, the limiting convex frame is fixed to the bottom surface of the base material layer, and the bottom backing layer is located inside the limiting convex frame.

[0019] Compared with the prior art, the utility model has the beneficial effects that:

[0020] In the utility model, the reinforcing braid layer can improve the toughness and the bending resistance of the sandpaper as a whole, so that the sandpaper can be safely used in most processing scenes, especially in working environments that need to be frequently bent or folded, and the safety and the service life of the sandpaper are greatly improved.

[0021] Other additional advantages and beneficial effects of the utility model will be partially given in the following description, will become obvious from the following description, or will be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0022] The accompanying drawings are used to provide further understanding of the present application, and form a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation on the present application. In the drawings:

[0023] Figure 1 is a structural schematic view of the present application;

[0024] Figure 2 is an axonometric structural schematic view of the reinforcing woven layer in the present application;

[0025] Figure 3 is an axonometric structural schematic view of the reinforcing wire in the present application;

[0026] Figure 4 is a local enlarged structural schematic view of the present application.

[0027] In the drawings: 1, abrasive paper main body; 11, base material layer; 111, limiting convex frame; 12, reinforcing woven layer; 121, reinforcing wire; 1211, metal fiber; 1212, polyester fiber; 1213, nylon fiber; 122, glue storage groove; 13, abrasive layer; 14, bottom backing layer. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Please refer to Figures 1-4 The present application provides the following technical solutions: a soft and foldable abrasive paper, comprising an abrasive paper main body 1, the abrasive paper main body 1 comprises a base material layer 11 and an abrasive layer 13 which are fixedly bonded by using an adhesive, and further comprises a reinforcing woven layer 12, the reinforcing woven layer 12 is located between the base material layer 11 and the abrasive layer 13, and the reinforcing woven layer 12 comprises: reinforcing wire 121.

[0030] Further, by Figure 1 and Figure 2As shown, in the embodiment, the reinforcing filaments 121 are distributed at intervals and are woven into the reinforcing woven layer 12 in a longitudinal and transverse interlaced manner, and a plurality of glue storage grooves 122 in linear arrangement are formed on the reinforcing woven layer 12. After the above scheme is adopted, in use, the base material layer 11 and the abrasive layer 13 are combined and fixed by using the adhesive to form the sandpaper body 1, and the reinforcing woven layer 12 is located between the base material layer 11 and the abrasive layer 13. The structure of the reinforcing woven layer 12 can greatly improve the toughness and bending resistance of the sandpaper body 1, so that the sandpaper body 1 can be safely used in most processing scenes, especially in working environments that need to be frequently bent or folded, thereby greatly improving the safety and service life of the sandpaper body 1. In addition, the adhesive can be stored in the glue storage grooves 122, which can further improve the stability of the adhesion and fixation of the base material layer 11 and the abrasive layer 13.

[0031] Preferably, the reinforcing filaments 121 are made of Figures 1-3 As shown, in the embodiment, the reinforcing filaments 121 include polyester fibers 1212 and nylon fibers 1213, and the polyester fibers 1212 and the nylon fibers 1213 are twisted into the spiral reinforcing filaments 121. After the above scheme is adopted, in use, the polyester fibers 1212 are high-molecular polymers formed by polycondensation reaction of terephthalic acid and ethylene glycol, and the molecular chains are arranged in a regular and compact manner with high crystallinity, which makes the fibers have high strength and modulus and outstanding wear resistance, and can withstand a large external force without being easily broken or worn. The nylon fibers 1213 are usually obtained by polycondensation of diamine and diacid or polymerization of lactam, and have high strength and wear resistance, and can withstand a large external force and friction without being easily damaged. The spiral structure of the reinforcing filaments 121 can provide additional strength and stability.

[0032] Preferably, the reinforcing filaments 121 are made of Figures 1-3 As shown, in the embodiment, the reinforcing filaments 121 further include metal fibers 1211, and the metal fibers 1211, the polyester fibers 1212 and the nylon fibers 1213 are twisted into the spiral reinforcing filaments 121. After the above scheme is adopted, in use, the metal fibers 1211 can be selected as copper wires, which can quickly conduct static electricity to quickly release static electricity and avoid the harm caused by static electricity accumulation. In addition, the copper wires have good flexibility.

[0033] Preferably, the reinforcing filaments 121 are made of Figures 1-3 As shown, in the embodiment, the metal fibers 1211 are copper wires, which can quickly conduct static electricity. In other available embodiments, the metal fibers 1211 can also be selected from metal materials such as aluminum and stainless steel that have good electrical conductivity.

[0034] Preferably, the reinforcing filaments 121 are made of Figure 1As shown in the embodiment, the sandpaper body 1 further comprises a bottom lining layer 14, which is fixedly bonded to the back of the base material layer 11. After the above scheme is adopted, the bottom lining layer 14 is arranged to protect the base material layer 11 and reduce the wear of the base material layer 11 during use.

[0035] Optionally, the adhesive is a hot-melt adhesive. Figure 1 As shown in the embodiment, the bottom lining layer 14 is one of a cloth lining, a paper lining, or a plastic lining. The bottom lining layer 14 can be selected according to different polishing scenes. For example, for fine polishing and polishing of materials such as metal and plastic, a paper lining is usually used, and kraft paper is preferred, which has good wear resistance and tear resistance.

[0036] Preferably, the adhesive is a hot-melt adhesive. Figure 1 and Figure 4 As shown in the embodiment, the sandpaper body 1 further comprises a limiting convex frame 111, which is fixed to the top surface of the base material layer 11. The reinforcing woven layer 12 and the abrasive layer 13 are located inside the limiting convex frame 111. After the above scheme is adopted, the limiting convex frame 111 limits the reinforcing woven layer 12 and the abrasive layer 13 from the edge during use, further improving the stability of the reinforcing woven layer 12 and the abrasive layer 13, and avoiding the problem of edge lifting of the sandpaper product.

[0037] Preferably, the adhesive is a hot-melt adhesive. Figure 1 and Figure 4 As shown in the embodiment, the limiting convex frame 111 is fixed to the bottom surface of the base material layer 11, and the bottom lining layer 14 is located inside the limiting convex frame 111. After the above scheme is adopted, the limiting convex frame 111 limits the bottom lining layer 14 from the edge during use, further improving the stability of the bottom lining layer 14, and avoiding the problem of edge lifting of the sandpaper product.

[0038] Components not described in detail herein are prior art.

[0039] The working principle and use process of the sandpaper body 1 of the utility model are as follows: the base material layer 11 and the abrasive layer 13 are fixedly bonded by an adhesive to form the sandpaper body 1, and the reinforcing woven layer 12 is located between the base material layer 11 and the abrasive layer 13.

[0040] The structure of the reinforcing woven layer 12 can greatly improve the toughness and bending resistance of the sandpaper body 1, so that the sandpaper body 1 can be safely used in most processing scenes, especially in working environments that need to be frequently bent or folded, greatly improving the safety and service life of the sandpaper body 1.

[0041] In addition, the adhesive can be stored in the adhesive storage groove 122, which can further improve the stability of the fixed bonding of the base material layer 11 and the abrasive layer 13.

[0042] In another aspect of the utility model, the back of the base material layer 11 is provided with a bottom lining layer 14, the bottom lining layer 14 is arranged to protect the base material layer 11, and the abrasion of the base material layer 11 is reduced;

[0043] In addition, the top surface and the bottom surface of the base material layer 11 are fixedly provided with limiting convex frames 111, the limiting convex frames 111 limit the reinforcing woven layer 12, the abrasive layer 13 and the bottom lining layer 14 from the edges, and the stability of the reinforcing woven layer 12, the abrasive layer 13 and the bottom lining layer 14 is further improved, and the problem of edge lifting of the sandpaper product is avoided.

[0044] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A soft, fold-resistant sandpaper, comprising a sandpaper body (1), said sandpaper body (1) comprising a substrate layer (11) and an abrasive layer (13) bonded together using an adhesive, characterized in that, It also includes a reinforcing braided layer (12), which is located between the substrate layer (11) and the abrasive layer (13), and the reinforcing braided layer (12) comprises: Reinforcing filaments (121) are distributed at equal intervals and woven in a crisscross pattern to form the reinforcing braided layer (12). Multiple glue storage grooves (122) are formed on the reinforcing braided layer (12) in a linear arrangement.

2. The soft, fold-resistant sandpaper according to claim 1, characterized in that: The reinforcing filament (121) includes polyester fiber (1212) and nylon fiber (1213), wherein the polyester fiber (1212) and the nylon fiber (1213) are twisted into a spiral shape to form the reinforcing filament (121).

3. The soft, fold-resistant sandpaper according to claim 2, characterized in that: The reinforcing filament (121) also includes metal fibers (1211), and the metal fibers (1211), the polyester fibers (1212), and the nylon fibers (1213) are twisted into a spiral shape to form the reinforcing filament (121).

4. The soft, fold-resistant sandpaper according to claim 3, characterized in that: The metal fiber (1211) is a copper wire.

5. The soft, fold-resistant sandpaper according to claim 1, characterized in that: The sandpaper body (1) also includes: A backing layer (14) is bonded and fixed to the back side of the substrate layer (11).

6. The soft, fold-resistant sandpaper according to claim 5, characterized in that: The lining layer (14) is one of a cloth lining, a paper lining, or a plastic lining.

7. The soft, fold-resistant sandpaper according to claim 1, characterized in that: Also includes: A limiting protrusion (111) is fixed on the top surface of the substrate layer (11), and the reinforcing braided layer (12) and the abrasive layer (13) are both located inside the limiting protrusion (111).

8. The soft, fold-resistant sandpaper according to claim 6, characterized in that: A limiting protrusion (111) is fixed on the bottom surface of the substrate layer (11), and the bottom liner layer (14) is located inside the limiting protrusion (111).

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