Abrasive cloth
By setting an anti-slip layer and a tensile layer on the lower surface of the abrasive cloth substrate, the problem of abrasive cloth slippage is solved, the grinding effect and durability are improved, and convenient storage is achieved.
Patent Information
- Application Number
- CN202422626998.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-10-30
AI Technical Summary
The existing abrasive cloth has a smooth connecting surface and a low coefficient of friction, which leads to frequent slippage and affects the grinding effect.
An anti-slip layer is provided on the lower surface of the substrate, with hemispherical anti-slip protrusions evenly arranged on the anti-slip layer, and an isolation layer is covered on the anti-slip layer. The isolation layer has arc-shaped grooves to embed the anti-slip protrusions, and a tensile layer is added to the substrate to enhance durability.
It increases the coefficient of friction between the abrasive cloth and the machine, preventing slippage and ensuring grinding effect. It is also easy to roll up and store, and enhances the tensile strength of the substrate.
Smart Images
Figure CN223519461U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of grinding tool, concretely is a sand cloth. BACKGROUND
[0002] Grinding tool is used to grind, polish and polish the tool. Most of the grinding tool is made of abrasive and binder. There are natural grinding tools processed directly from natural mineral rock. Sand cloth is widely used in grinding tool, which is made of abrasive and binder.
[0003] At present, the connecting surface of the existing sand cloth is usually connected with the machine equipment, and the polishing surface is outward, however, the connecting surface of the sand cloth is usually smooth, and the friction coefficient is small, so that the sand cloth is easy to slip when connected with the machine equipment, which affects the grinding and the use effect is not good. UTILITY MODEL CONTENTS
[0004] The utility model discloses a sand cloth.
[0005] The utility model discloses a sand cloth, including base material and the adhesion on the abrasive layer of base material upper surface, abrasive layer includes a plurality of abrasive particles, the lower surface of base material is provided with antiskid layer, the antiskid layer includes a plurality of antiskid protrusions that are evenly arranged on the lower surface of base material, the antiskid protrusion is hemispherical, and the top surface of antiskid protrusion forms antiskid surface.
[0006] As a further setting of the utility model, the isolation layer for covering the antiskid protrusion is bonded on the antiskid layer.
[0007] As a further setting of the utility model, the isolation layer includes base paper layer and traceless adhesive layer coated on the surface of base paper layer.
[0008] As a further setting of the utility model, a plurality of arc-shaped grooves are evenly arranged on the isolation layer, and the antiskid protrusion is used for embedding inside the arc-shaped groove.
[0009] As a further setting of the utility model, the base material includes a first base layer and a second base layer, and a tensile layer is arranged between the first base layer and the second base layer.
[0010] As a further setting of the utility model, the tensile layer is woven by a plurality of tensile yarns, the tensile yarns include a core and a sheath yarn spirally wound outside the core, the core is spirally interlaced by a first winding and a second winding, the first winding and the second winding are twisted by a plurality of polyester fibers, and the sheath yarn is twisted by a plurality of Kevlar fibers.
[0011] Compared with the prior art, the utility model has the advantages of
[0012] The utility model discloses a sand cloth with anti -skid layer, can be connected as the connecting surface of sand cloth and machine equipment with anti -skid layer, because of the setting of anti -skid convex, the anti -skid layer is uneven, thereby increases the friction coefficient of sand cloth connecting surface, when it is connected with machine equipment, can play the friction effect, makes sand cloth not easy to slip, thereby guarantees the grinding effect of sand cloth, and the use effect is better. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the structural diagram of the utility model;
[0014] Figure 2 It is the structural diagram of the utility model in tensile yarn.
[0015] Reference signs: 1, abrasive particle, 2, anti -skid convex, 3, base paper layer, 4, traceless adhesive layer, 5, arc -shaped groove, 6, first base layer, 7, second base layer, 8, tensile layer, 9, cladding yarn, 10, first winding, 11, second winding. DETAILED DESCRIPTION
[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.
[0017] Please refer to Figure 1 As shown in the figure, a kind of sand cloth, including base material and the abrasive layer attached to the upper surface of base material, abrasive layer includes multiple abrasive particles 1, anti -skid layer is provided on the lower surface of base material, anti -skid layer includes multiple anti -skid convex 2 evenly arranged on the lower surface of base material, anti -skid convex 2 is hemispherical, and the top surface of anti -skid convex 2 forms anti -skid surface, then can be connected as the connecting surface of sand cloth and machine equipment with anti -skid layer, because of the setting of anti -skid convex 2, the anti -skid layer is uneven, thereby increases the friction coefficient of sand cloth connecting surface, when it is connected with machine equipment, can play the friction effect, makes sand cloth not easy to slip, thereby guarantees the grinding effect of sand cloth, and the use effect is better.
[0018] Please refer to Figure 1As shown, the anti-skid layer is bonded with a separation layer for covering the anti-skid protrusions 2, so that the anti-skid protrusions 2 can be covered by the separation layer when the abrasive cloth is not used, and due to the smooth surface of the separation layer, gaps are avoided when the abrasive cloth is wound, so that the abrasive cloth is conveniently wound into a cylindrical shape, and the abrasive cloth is conveniently stored. The separation layer comprises a base paper layer 3 and a traceless adhesive layer 4 coated on the surface of the base paper layer 3, so that the separation layer is connected on the base material through the bonding of the traceless adhesive layer 4 and the anti-skid layer, the covering of the anti-skid protrusions 2 is ensured, and the use of the traceless adhesive layer 4 ensures that there is no adhesive residue on the anti-skid layer after the separation layer is removed, so that the cleanliness of the anti-skid layer is ensured. A plurality of arc-shaped grooves 5 are uniformly arranged on the separation layer, and the anti-skid protrusions 2 are used to embed inside the arc-shaped grooves 5, so that when the separation layer is bonded to the anti-skid layer, the anti-skid protrusions 2 are embedded inside the arc-shaped grooves 5, and the arc-shaped grooves 5 can hide the anti-skid protrusions 2, avoiding the separation layer being arched by the anti-skid protrusions 2 to cause unevenness, so that the flatness of the side of the abrasive cloth away from the grinding layer when not in use can be ensured.
[0019] As shown in Figure 1 , Figure 2 As shown, the base material comprises a first base layer 6 and a second base layer 7, and a tensile layer 8 is arranged between the first base layer 6 and the second base layer 7, so that the base material can be reinforced, and the base material has good tensile strength and is not easy to deform and tear in use, and has good durability. The tensile layer 8 is woven from a plurality of tensile yarns, the tensile yarns comprise a core and a covering yarn 9 spirally wound on the outside of the core, the core is spirally interlaced from a first winding 10 and a second winding 11, and the first winding 10 and the second winding 11 are both twisted from a plurality of polyester fibers, and the covering yarn 9 is twisted from a plurality of Kevlar fibers, so that the polyester fibers have high strength and high toughness, thereby ensuring the tensile strength of the tensile layer 8, and the Kevlar fibers have good tear resistance, thereby making the tensile layer 8 not easy to be torn.
[0020] It is apparent for those skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but rather can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the above description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims.
[0021] Furthermore, it should be understood that although the specification is described in terms of embodiments, not every embodiment includes every feature or implementation described herein. The specification can include implicit combinations of explicitly mentioned features and / or implicit combinations of implicitly mentioned features. Such combinations are also expressly included within the scope of the specification and an embodiment.
Claims
1. A coated abrasive comprising a substrate and an abrasive layer adhered to a surface of the substrate, the abrasive layer comprising a plurality of abrasive particles (1), characterised in that: The lower surface of the substrate is provided with an anti-skid layer, the anti-skid layer comprises a plurality of anti-skid protrusions (2) arranged uniformly on the lower surface of the substrate, the anti-skid protrusions (2) are semispherical, the top surfaces of the anti-skid protrusions (2) jointly form an anti-skid surface, the anti-skid layer is bonded with a separation layer for covering the anti-skid protrusions (2), and the separation layer comprises a base paper layer (3) and a traceless adhesive layer (4) coated on the surface of the base paper layer (3).
2. The abrasive sheet according to claim 1, wherein: A plurality of arc-shaped grooves (5) are uniformly arranged on the separation layer, and the anti-skid protrusions (2) are used for embedding in the arc-shaped grooves (5).
3. The abrasive sheet according to claim 1, wherein: The substrate comprises a first base layer (6) and a second base layer (7), and a tensile layer (8) is arranged between the first base layer (6) and the second base layer (7).
4. The abrasive sheet according to claim 3, wherein: The tensile layer (8) is woven by a plurality of tensile yarns, the tensile yarns comprise a core and a sheath yarn (9) spirally wound outside the core, the core is spirally interlaced by a first winding (10) and a second winding (11), the first winding (10) and the second winding (11) are both twisted by a plurality of polyester fibers, and the sheath yarn (9) is twisted by a plurality of Kevlar fibers.