Abrasive paper for polishing

Abstract

The utility model relates to the technical field of abrasive paper, in particular to abrasive paper for polishing, which comprises a base layer, an abrasive layer mounted at the bottom of the base layer, a heat-conducting fin arranged at the top of the base layer, a plurality of grooves formed in the bottom of the heat-conducting fin, a plurality of heat-conducting rubber strips mounted at the top of the base layer, and tops of the heat-conducting rubber strips extending into the corresponding grooves. The outer surfaces of the heat conduction rubber strips make contact with the inner surfaces of the grooves, a plurality of first mounting grooves are formed in the tops of the heat conduction pieces, elastic rubber strips are arranged in the first mounting grooves, and the two ends of the elastic rubber strips extend to the outer sides of the first mounting grooves. The pressure applied by a worker can be converted into elastic force through the elastic rubber strip, the elastic force is transmitted to the grinding material layer, deformation of the elastic rubber strip can be limited under the action of the first memory metal sheet, the pressure between the grinding material layer and a workpiece is kept at a preset value, the pressure is prevented from being too large or too small, and the use effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sandpaper, in particular to a sandpaper for grinding. Background Technique

[0002] Sandpaper is a relatively common grinding tool, specifically a kind of paper with abrasive particles attached to its surface. It is widely used and can be used to increase friction, flatten the surface of an object, or remove attachments on the surface of an object, etc.

[0003] The existing sandpaper generally consists of a base layer and an abrasive layer. When in use, the staff needs to press the sandpaper to make the abrasive layer of the sandpaper fully contact with the surface of the workpiece to be ground, and the surface of the workpiece is ground by moving the sandpaper back and forth. However, when using sandpaper, the staff cannot stably control the force applied to the sandpaper, resulting in too much or too little force being easily applied during the use process, affecting the grinding performance and having a poor use effect. Moreover, since there is no heat dissipation mechanism on the sandpaper, the heat generated by the friction between the abrasive layer and the surface of the workpiece cannot be quickly dissipated during the grinding process, and the heat dissipation effect is poor. For this reason, we propose a sandpaper for grinding. Content of the Utility Model

[0004] The purpose of the utility model is to solve the above-mentioned drawbacks existing in the prior art, and to propose a sandpaper for grinding.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: design a sandpaper for grinding, including a base layer, and an abrasive layer is installed at the bottom of the base layer;

[0006] Thermal conductive sheets are arranged on the top of the base layer. A plurality of grooves are opened at the bottom of the thermal conductive sheets. A plurality of thermal conductive rubber strips are installed on the top of the base layer, and the tops of the thermal conductive rubber strips all extend into the corresponding grooves, and the outer surfaces of the thermal conductive rubber strips are in contact with the inner surfaces of the grooves;

[0007] A plurality of first installation grooves are opened at the top of the thermal conductive sheets. Elastic rubber strips are arranged inside the first installation grooves. Both ends of the elastic rubber strips extend to the outside of the first installation grooves, and the bottoms of the elastic rubber strips are fixed on the base layer. A connecting cloth is installed at the top edge of the base layer. A plurality of second shape memory metal sheets are installed at equal intervals at the bottom of the connecting cloth, and the bottoms of the second shape memory metal sheets are in contact with the tops of the corresponding elastic rubber strips;

[0008] A plurality of second installation grooves are also opened at the top of the thermal conductive sheets. A first shape memory metal sheet is arranged inside each second installation groove. Both sides of the first shape memory metal sheet extend to the outside of the second installation groove, and the bottom of the first shape memory metal sheet is fixed on the top of the base layer.

[0009] Preferably, the thermal conductive sheet is made of a thermal conductive silicone material.

[0010] Preferably, the base layer is made of wear-resistant fiber material.

[0011] Preferably, there is a gap between the top of the first shape memory metal sheet and the top of the elastic rubber strip.

[0012] Preferably, the connecting cloth is provided with a mesh structure.

[0013] Preferably, a border is installed at the top edge of the base layer, and the border is made of wear-resistant fiber material.

[0014] Preferably, the first installation groove and the second installation groove are arranged staggeredly, and there is a gap between both the first installation groove and the second installation groove and the groove.

[0015] The design scheme proposed by the present utility model has the following beneficial effects during application:

[0016] 1. The heat generated during the grinding of the abrasive layer can be quickly dissipated through the heat-conducting rubber strip and the heat-conducting sheet, and the heat dissipation effect is good.

[0017] 2. The pressure applied by the staff can be converted into elastic force through the elastic rubber strip and transmitted to the abrasive layer, and the deformation of the elastic rubber strip can be limited under the action of the first shape memory metal sheet, so that the pressure between the abrasive layer and the workpiece is maintained at a preset value, avoiding excessive or too small pressure and improving the use effect. Description of the Drawings

[0018] Figure 1 is the structural exploded view of the present utility model;

[0019] Figure 2 is the structural schematic diagram of the present utility model;

[0020] Figure 3 is the structural side cross-sectional view of the present utility model;

[0021] Figure 4 is the structural side cross-sectional view of the base layer and the heat-conducting sheet of the present utility model.

[0022] In the figure: 1. Heat-conducting sheet; 2. Border; 3. First shape memory metal sheet; 4. Elastic rubber strip; 5. Connecting cloth; 6. Base layer; 7. Abrasive layer; 8. Second shape memory metal sheet; 9. First installation groove; 10. Second installation groove; 11. Heat-conducting rubber strip; 12. Groove. Detailed Embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0024] Refer to Figures 1 - 4, A sandpaper for grinding, including a base layer 6. An abrasive layer 7 is installed at the bottom of the base layer 6. During actual use, by bringing the abrasive layer 7 into contact with the surface of the workpiece to be ground, and by pressing the base layer 6 and reciprocatingly moving the base layer 6, the abrasive layer 7 can be moved relative to the surface of the workpiece to be ground, thereby grinding the surface of the workpiece.

[0025] It should be noted that the base layer 6 is made of wear-resistant fiber material, which can increase the wear resistance of the base layer 6 and will not cause the base layer 6 to be torn during use.

[0026] Such as Figure 1 and Figure 4 As shown, a heat-conducting sheet 1 is provided at the top of the base layer 6. A plurality of grooves 12 are formed at the bottom of the heat-conducting sheet 1. A plurality of heat-conducting rubber strips 11 are installed at the top of the base layer 6, and the tops of the heat-conducting rubber strips 11 all extend into the corresponding grooves 12, and the outer surface of the heat-conducting rubber strip 11 is in contact with the inner surface of the groove 12. During actual use, when the abrasive layer 7 grinds the surface of the workpiece, heat will be generated. These heats will be transmitted to the heat-conducting sheet 1 through the heat-conducting rubber strips 11 and dissipated through the heat-conducting sheet 1.

[0027] It should be noted that the heat-conducting sheet 1 is made of heat-conducting silicone material. In this way, while dissipating heat from the abrasive layer 7, the heat-conducting sheet 1 can also bend following the bending of the base layer 6.

[0028] Such as Figure 1 、 Figure 2 and Figure 3 As shown, a plurality of first installation grooves 9 are formed at the top of the heat-conducting sheet 1. An elastic rubber strip 4 is provided inside the first installation groove 9. Both ends of the elastic rubber strip 4 extend to the outside of the first installation groove 9, and the bottom of the elastic rubber strip 4 is fixed on the base layer 6. A connecting cloth 5 is installed at the top edge of the base layer 6. A plurality of second shape memory alloy sheets 8 are equidistantly installed at the bottom of the connecting cloth 5. The bottom of the second shape memory alloy sheet 8 is in contact with the top of the corresponding elastic rubber strip 4. During actual use, the worker will press the connecting cloth 5, and the connecting cloth 5 will drive the second shape memory alloy sheet 8 to squeeze the elastic rubber strip 4. The elastic rubber strip 4 deforms, and the elastic rubber strip 4 will transmit the elastic force generated by the deformation to the abrasive layer 7 to provide pressure for the abrasive layer 7, so that the abrasive layer 7 is in full contact with the surface of the workpiece to be ground.

[0029] Such as Figure 3As shown, a number of second mounting grooves 10 are also provided at the top of the heat conducting sheet 1. A first shape memory metal sheet 3 is provided inside each second mounting groove 10. Both sides of the first shape memory metal sheet 3 extend outside the second mounting groove 10, and the bottom of the first shape memory metal sheet 3 is fixed to the top of the base layer 6. During actual use, when the elastic rubber strip 4 is subjected to a certain pressure, the bottom of the connecting cloth 5 will contact the top of the first shape memory metal sheet 3. At this time, the pressure of the abrasive layer 7 on the surface of the workpiece reaches a preset value. In this way, the operator can maintain the pressure applied to the connecting cloth 5, so that the force applied during grinding will not be too large or too small, improving the use effect.

[0030] It should be noted that the first mounting grooves 9 and the second mounting grooves 10 are arranged alternately, and there are spaces between the first mounting grooves 9 and the second mounting grooves 10 and the groove 12. In this way, during use, the heat conducting rubber strip 11 will not interfere with the first shape memory metal sheet 3 and the elastic rubber strip 4.

[0031] It should be noted that, as Figure 3 shown, there is a space between the top of the first shape memory metal sheet 3 and the top of the elastic rubber strip 4. In this way, after the elastic rubber strip 4 is compressed by a certain distance, the connecting cloth 5 will contact the top of the first shape memory metal sheet 3. In this way, the first shape memory metal sheet 3 will position the connecting cloth 5 to prevent the operator from applying too much force during grinding.

[0032] It should be noted that the first shape memory metal sheet 3 and the second shape memory metal sheet 8 can bend following the bending of the base layer 6 and the connecting cloth 5.

[0033] Specifically, when the present utility model is in use, the operator makes the abrasive layer 7 contact the surface of the workpiece to be ground, and then presses the connecting cloth 5. The second shape memory metal sheet 8 on the connecting cloth 5 will squeeze the elastic rubber strip 4. The elastic rubber strip 4 deforms to generate elastic force and transmits the elastic force to the abrasive layer 7. When the elastic rubber strip 4 deforms to a preset position, the connecting cloth 5 contacts the surface of the first shape memory metal sheet 3. At this time, the pressure of the abrasive layer 7 on the workpiece reaches a preset value. The operator keeps the pressure constant, and then reciprocally moves the abrasive layer 7 to grind the surface of the workpiece. During the grinding process, the heat generated by the friction between the abrasive layer 7 and the workpiece will be transmitted to the heat conducting sheet 1 through the heat conducting rubber strip 11 and dissipated to the external environment through the heat conducting sheet 1, with a fast heat dissipation speed.

[0034] Furthermore, the connecting cloth 5 is provided as a mesh structure. In this way, during grinding, external air will pass through the connecting cloth 5 and contact the heat conducting sheet 1 to dissipate the heat on the heat conducting sheet 1.

[0035] Furthermore, as Figure 1As shown in the figure, a border 2 is installed at the top edge of the base layer 6. The border 2 is made of wear-resistant fiber material. By means of the border 2, the wear resistance of the edge of the base layer 6 can be increased, preventing the base layer 6 from being damaged from the edge during use.

[0036] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

Claims

1. A sandpaper for polishing, comprising a base layer (6), characterized in that: An abrasive layer (7) is installed at the bottom of the base layer (6); A heat conducting sheet (1) is provided on the top of the base layer (6), a plurality of grooves (12) are provided on the bottom of the heat conducting sheet (1), a plurality of heat conducting adhesive strips (11) are installed on the top of the base layer (6), and the tops of the heat conducting adhesive strips (11) all extend into the corresponding grooves (12), and the outer surfaces of the heat conducting adhesive strips (11) are in contact with the inner surfaces of the grooves (12); A plurality of first mounting grooves (9) are provided on the top of the heat conducting sheet (1), an elastic rubber strip (4) is provided inside the first mounting groove (9), both ends of the elastic rubber strip (4) extend to the outside of the first mounting groove (9), and the bottom of the elastic rubber strip (4) is fixed on the base layer (6), a connecting cloth (5) is installed on the top edge of the base layer (6), and a plurality of second memory metal sheets (8) are installed at equal intervals on the bottom of the connecting cloth (5), and the bottom of the second memory metal sheet (8) is in contact with the top of the corresponding elastic rubber strip (4); A plurality of second mounting grooves (10) are also provided on the top of the heat conducting plate (1), a first memory metal plate (3) is provided inside each second mounting groove (10), both sides of the first memory metal plate (3) extend to the outside of the second mounting groove (10), and the bottom of the first memory metal plate (3) is fixed to the top of the base layer (6).

2. The sandpaper for polishing according to claim 1, characterized in that: The heat conducting sheet (1) is made of heat conducting silicone material.

3. The sandpaper for polishing according to claim 1, characterized in that: The base layer (6) is made of wear-resistant fiber material.

4. The sandpaper for polishing according to claim 1, characterized in that: There is a gap between the top of the first memory metal sheet (3) and the top of the elastic rubber strip (4).

5. The sandpaper for polishing according to claim 1, characterized in that: The connecting cloth (5) is configured as a mesh structure.

6. The sandpaper for polishing according to claim 3, characterized in that: The top edge of the base layer (6) is provided with a surrounding edge (2), and the surrounding edge (2) is made of wear-resistant fiber material.

7. The sandpaper for polishing according to claim 1, characterized in that: The first installation groove (9) and the second installation groove (10) are arranged alternately, and there is a distance between the first installation groove (9) and the second installation groove (10) and the groove (12).

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