CN215617469U

CN215617469U - Polyurethane embedded abrasive paper

Info

Publication number: CN215617469U
Application number: CN202121732044.5U
Authority: CN
Inventors: 王昊平
Original assignee: Nanjing Ruizhe Photoelectric Technology Co ltd
Current assignee: Nanjing Ruizhe Photoelectric Technology Co ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-01-25
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses polyurethane embedded sand paper, which belongs to the technical field of sand paper, and comprises a base layer, and is characterized in that: fixed parcel abrasive in the basic unit, one side of one side outer wall fixed connection viscose layer of basic unit, the opposite side bonding on viscose layer is from the type paper layer, the basic unit is the TPU skin, and the thickness of basic unit is greater than the thickness of abrasive, then the abrasive parcel is in the basic unit, avoid the abrasive to drop at ordinary times, the use degree improves, the durability of abrasive paper has been increased, when polishing, tear off from the type paper layer, laminate basic unit back on the grinding apparatus through the viscose layer, work piece extrusion basic unit, the basic unit can be because of extrusion deformation for the flexibility, make the abrasive expose, be convenient for polish, and the basic unit cushions pressure, reduce the hard extrusion of abrasive to the work piece, avoid hindering the too big problem of trace, the basic unit adopts the TPU skin to be recoverable material, the feature of environmental protection of material has been guaranteed when the durability provides.

Description

Polyurethane embedded abrasive paper

Technical Field

The utility model relates to the technical field of sand paper, in particular to polyurethane embedded sand paper.

Background

The prior abrasive paper adopts a paper layer as a base layer, and the paper layer is a hard material, so that when the material is used for re-polishing, the pressure of sand grains on a workpiece is too large, the surface of the workpiece after polishing is large in scars, and a large amount of sand grains fall off, so that the durability of the abrasive paper is reduced, and the polishing uniformity effect of the workpiece during polishing is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical defects, the utility model aims to provide polyurethane embedded sand paper.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides polyurethane embedded sand paper, which comprises a base layer and is characterized in that: the base layer is internally and fixedly wrapped with abrasive, the outer wall of one side of the base layer is fixedly connected with one side of the adhesive layer, and the other side of the adhesive layer is bonded with the release paper layer.

Preferably, the base layer is a TPU skin, the thickness of the base layer is 0.8-3mm, and the thickness of the base layer is greater than that of the abrasive.

Preferably, the abrasive is diamond particles, the diamond particles are spherical particles, and the particle size of the abrasive is 10-14 μm.

Preferably, the viscose layer is the non-setting adhesive layer, it is silicone oil from the type paper layer to leave the type paper layer, it is equipped with easily tearing the tongue to leave one side outer wall integrated into one piece on the type paper layer.

Preferably, the base layer, the adhesive layer and the release paper layer are disc-shaped structures with the same size.

Preferably, basic unit, viscose layer and release paper layer are the same petal column structure of size, petal column structure includes the main part piece, it has a plurality of fracture mouths to open on the main part piece, and is adjacent main part piece between the fracture mouth forms the foil gage, the fixed parcel of abrasive is in the main part piece of basic unit department.

Preferably, the main part piece is discoid structure, fracture mouth along the circumferencial direction evenly distributed of main part piece, and the length of fracture mouth is less than the radius of main part piece, the outer wall edge of deformation piece is equipped with the fillet.

The utility model has the beneficial effects that:

1. the abrasive is wrapped in the base layer, so that the abrasive is prevented from falling off at ordinary times, the use degree is improved, and the durability of the abrasive paper is improved;

2. the workpiece extrudes the base layer, the base layer is flexible, so that the abrasive is exposed due to extrusion deformation, the polishing is convenient, the base layer buffers the pressure, the hard extrusion of the abrasive to the workpiece is reduced, and the problem of overlarge scratch is avoided;

3. the base layer adopts TPU skin as a recyclable material, and the environment-friendly property of the material is ensured while the durability is provided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a polyurethane embedded sandpaper according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 3 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 4 is a schematic structural diagram of the base layer and the abrasive material during polishing according to the present invention.

Description of reference numerals: 1. a base layer; 2. grinding materials; 3. an adhesive layer; 4. a release paper layer; 5. the tongue is easy to tear; 6. a body sheet; 7. a fracture port; 8. and (5) deformation sheets.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: as shown in fig. 1, 2 and 4, the present invention provides a polyurethane embedded sandpaper, which comprises a base layer 1, and is characterized in that: 1 internal fixation parcel abrasive 2 of basic unit, one side of one side outer wall fixed connection viscose layer 3 of basic unit 1, the opposite side bonding of viscose layer 3 is from the type paper layer, basic unit 1 is the TPU skin, the thickness of basic unit 1 is 3mm, and the thickness of basic unit 1 is greater than the thickness of abrasive 2, then abrasive 2 wraps up in basic unit 1, avoid abrasive 2 to drop at ordinary times, when polishing, tear off type paper layer 4, laminate 1 back of basic unit on the grinding apparatus through viscose layer 3, work piece extrusion basic unit 1, basic unit 1 is flexible can be because of extrusion deformation, make abrasive 2 expose, be convenient for polish, and basic unit 1 cushions pressure, reduce the hard extrusion of abrasive 2 to the work piece, avoid the too big problem of scar.

The abrasives 2 are diamond fine particles, and the diamond fine particles are spherical particles, and the particle diameter of the abrasives 2 is 11 μm.

The adhesive layer 3 is a non-dry adhesive layer, the release paper layer 4 is silicone oil release paper, the outer wall of one side of the release paper layer 4 is integrally formed with an easy-tearing tongue 5, and the release paper layer is convenient to tear through the easy-tearing tongue 5.

Further, the base layer 1, the adhesive layer 3 and the release paper layer 4 are disc-shaped structures with the same size.

Example 2: as shown in fig. 1, 3 and 4, the present invention provides a polyurethane embedded sandpaper, which comprises a base layer 1, and is characterized in that: the grinding material 2 is fixedly wrapped in the base layer 1, the outer wall of one side of the base layer 1 is fixedly connected with one side of the adhesive layer 3, and the release paper layer is bonded on the other side of the adhesive layer 3.

Further, the base layer 1 is a TPU skin, the thickness of the base layer 1 is 2mm, and the thickness of the base layer 1 is larger than that of the grinding material 2.

Further, the abrasives 2 are diamond fine particles, and the diamond fine particles are spherical particles, and the particle diameter of the abrasives 2 is 12 μm.

Further, the adhesive layer 3 is a non-dry adhesive layer, the release paper layer 4 is silicone oil release paper, and the outer wall of one side of the release paper layer 4 is integrally formed with an easy-tearing tongue 5.

Further, basic unit 1, viscose layer 3 and release paper layer 4 are the same petal column structure of size, petal column structure includes main part piece 6, it has a plurality of fracture mouth 7 to open on the main part piece 6, main part piece 6 between adjacent fracture mouth 7 forms deformation piece 8, abrasive 2 is fixed to be wrapped up in main part piece 6 of 1 department of basic unit, main part piece 6 is discoid structure, fracture mouth 7 is along main part piece 6's circumferencial direction evenly distributed, and the length of fracture mouth 7 is less than main part piece 6's radius, deformation piece 8's outer wall edge is equipped with the fillet, it is convenient for to stretch out and draw back to both sides when setting up fracture mouth 7 and making deformation piece 8 receive the extrusion, thereby expose the inside abrasive material of burying the filling.

During the use, 2 parcels of abrasive material are in basic unit 1, avoid abrasive material 2 to drop at ordinary times, the use degree improves, abrasive paper's durability has been increased, when polishing, will tear from type ply 4 through easily tearing tongue 5, laminate 1 the back of basic unit on the grinding apparatus through viscose layer 3, work piece extrusion basic unit 1, basic unit 1 can be because of extrusion deformation for the flexibility, make abrasive material 2 expose, be convenient for polish, and basic unit 1 cushions pressure, reduce the rigid extrusion of abrasive material 2 to the work piece, avoid the too big problem of scar, and basic unit 1 adopts the TPU skin to be recoverable material, the feature of environmental protection of material has been guaranteed when the durability provides.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A polyurethane embedded sand paper comprises a base layer (1), and is characterized in that: basic unit (1) internal fixation parcel abrasive material (2), one side of one side outer wall fixed connection viscose layer (3) of basic unit (1), the opposite side bonding release paper layer (4) of viscose layer (3).

2. A polyurethane embedded sandpaper as defined in claim 1, wherein: the base layer (1) is a TPU skin, the thickness of the base layer (1) is 0.8-3mm, and the thickness of the base layer (1) is larger than that of the grinding material (2).

3. A polyurethane embedded sandpaper as defined in claim 1, wherein: the abrasive (2) is diamond particles, the diamond particles are spherical particles, and the particle size of the abrasive (2) is 10-14 mu m.

4. A polyurethane embedded sandpaper as defined in claim 1, wherein: the adhesive layer (3) is a non-dry adhesive layer, the release paper layer (4) is silicone oil release paper, and an easily torn tongue (5) is integrally formed on the outer wall of one side of the release paper layer (4).

5. A polyurethane embedded sandpaper as defined in claim 1, wherein: the base layer (1), the adhesive layer (3) and the release paper layer (4) are disc-shaped structures with the same size.

6. A polyurethane embedded sandpaper as defined in claim 1, wherein: basic unit (1), viscose layer (3) and release paper layer (4) are the same petal form structure of size, petal form structure includes main part piece (6), it has a plurality of fracture mouths (7), adjacent to open on main part piece (6) between fracture mouth (7) form deformation piece (8), the fixed parcel of abrasive material (2) is in main part piece (6) of basic unit (1) department.

7. A polyurethane embedded sandpaper as claimed in claim 6, wherein: the main part piece (6) are discoid structures, the circumferencial direction evenly distributed of main part piece (6) is followed in fracture mouth (7), and the length of fracture mouth (7) is less than the radius of main part piece (6), the outer wall edge of deformation piece (8) is equipped with the fillet.