CN217801014U - Multifunctional triangular sand disc structure - Google Patents

Abstract

The utility model discloses a multi-functional triangle abrasive disc structure, including the backing plate, still include the foam pad, one side and the backing plate of foam pad are connected, the opposite side of foam pad is provided with thorn fur, be provided with abrasive paper on the thorn fur, the thorn hair face of thorn fur bonds with abrasive paper, the smooth surface of thorn fur bonds with the foam pad, the middle part of foam pad is provided with penetrating chip removal hole, all be provided with the first through-hole that corresponds the chip removal hole on abrasive paper, thorn fur and the backing plate, through the foam pad antidetonation buffering when polishing, make the object receive the face of polishing atress even, improve the polishing quality; when the abrasive paper is worn, the abrasive paper can be replaced, so that the cost is reduced; chip removal can be effectively carried out through the chip removal holes during polishing, and the polishing quality is improved.

Description

Multifunctional triangular sand disc structure

Technical Field

The utility model belongs to the technical field of the processing equipment, more specifically the utility model relates to a multi-functional triangle sand table structure that says so.

Background

The swing machine is a hand-held swing power tool which is common in the industry, and the working principle of the swing machine is that an output shaft swings around a shaft axis. Therefore, after a user installs different working heads on the output shaft, various different operation functions can be realized. Common working heads comprise saw blades, abrasive discs, scrapers and the like, and can meet the working requirements of sawing, cutting, scraping, cleaning, polishing, sanding and the like.

For example, patent publication No. CN205817620U discloses a water drop type abrasive paper, which comprises a body and a connecting cap, wherein the connecting cap is fixedly connected with the body, the body is in a water drop shape, and abrasive paper is arranged around the body and on one side of the body different from the connecting cap; also, for example, patent publication No. CN212121911U discloses a binocular number cemented carbide multifunctional saw blade, which comprises a saw blade body and a three-dimensional bottom support, wherein the saw blade body is mounted on the three-dimensional bottom support, and a low-mesh number coarse grain sintering area and a high-mesh number fine grain sintering area are present on the saw blade body.

In two above-mentioned patents, its the body directly be connected with abrasive paper, its saw bit body also directly be connected with the stereoplasm or the diamond of height, low mesh number, need a plurality of products to change the use when different application function demands, abrasive material wearing and tearing back on the abrasive paper of same function product simultaneously can't be changed, has increased the cost of polishing, when polishing simultaneously, the sweeps can't effectively be discharged, the effect of polishing is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a multi-functional triangle abrasive disc structure can be when polishing antidetonation buffering, and the chip removal in time improves the efficiency of polishing, can conveniently change the abrasive paper of different function mesh numbers abrasive material, reduce cost.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a multi-functional triangle abrasive disc structure, includes the backing plate, still includes the foam pad, one side and the backing plate of foam pad are connected, the opposite side of foam pad is provided with thorn fur, be provided with abrasive paper on the thorn fur, the thorn hair face and the abrasive paper bonding of thorn fur, the smooth surface and the foam pad bonding of thorn fur, the middle part of foam pad is provided with penetrating chip removal hole, all be provided with the first through-hole that corresponds the chip removal hole on abrasive paper, thorn fur and the backing plate.

Furthermore, be provided with a plurality of chip storages around the chip removal hole, the one end and the chip removal hole intercommunication of chip storage groove, be provided with the second through-hole that corresponds the chip storage groove on thorn fur and the abrasive paper.

Furthermore, the bottom surface of the chip storage groove is an inclined chip guide surface, one end of the chip guide surface, which is connected with the chip removal hole, is close to the base plate, and the other end of the chip guide surface is far away from the base plate.

Further, be provided with the mounting groove on the foam pad, the backing plate is located the mounting groove, the edge of mounting groove is provided with the flange, the flange is inconsistent with the edge of backing plate.

Furthermore, the end face of the chip storage groove far away from the chip removal hole is an arc end face.

Further, the area of the side surface of the foam pad connected with the sand paper is larger than that of the side surface connected with the backing plate.

Further, the backing plate, the foam pad and the sandpaper are all in a shape of a lyocell triangle.

Further, the foam pad is made of EVA foam.

Further, the thorn fur is made of nylon.

Compared with the prior art, the beneficial effects of the utility model are that: the foam pad and the thorn fur are arranged between the base plate and the abrasive paper, the thorn surface of the thorn fur is connected with the abrasive paper, and the smooth surface of the thorn fur is connected with the foam pad; the abrasive paper is bonded with the thorn fur, and can be torn off from the thorn fur after being worn, and replaced by new abrasive paper, so that the replacement is convenient, and the cost is reduced; through setting up penetrating chip removal hole on the foam pad can effectually carry out the chip removal when polishing, improve the quality of polishing.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of a sand table of the present invention;

FIG. 2 is a schematic perspective view of a sand tray at another viewing angle according to the present invention;

FIG. 3 is a side sectional view of the sand table of the present invention;

fig. 4 and 5 are schematic perspective views of the foam pad from two viewing angles.

Reference numerals are as follows: 1. a backing plate; 2. a foam pad; 3. pricking fur; 4. sand paper; 5. chip removal holes; 6. a first through hole; 7. a chip storage groove; 8. a second through hole; 9. chip guide surfaces; 10. mounting grooves; 11. a flange; 12. a bottom support.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if any, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The present invention is further explained with reference to fig. 1 to 5.

The utility model provides a multi-functional triangle sand table structure, includes backing plate 1, still includes foam pad 2, one side and the backing plate 1 of foam pad 2 are connected, the opposite side of foam pad 2 is provided with thorn fur 3, be provided with abrasive paper 4 on the thorn fur 3, the thorn hair face and the abrasive paper 4 bonding of thorn fur 3, the smooth surface and the foam pad 2 bonding of thorn fur 3, the middle part of foam pad 2 is provided with penetrating chip removal hole 5, all be provided with the first through-hole 6 that corresponds chip removal hole 5 on abrasive paper 4, thorn hair leather 3 and the backing plate 1.

Preferably, because the abrasive paper 4 is bonded with the burr surface of the burr leather 3, the contact area between glue and the abrasive paper 4 can be reduced through the plurality of bulges on the burr surface, the abrasive paper 4 is convenient to tear down when the abrasive paper 4 is replaced, and the abrasive paper 4 moves in a plane on the surface of an object during polishing, so that the friction force between the abrasive paper 4 and the burr leather 3 can be increased through the burr surface, and the abrasive paper 4 is prevented from being deviated during polishing to influence the polishing effect; the smooth surface of the burred fur 3 is completely bonded with the foam pad 2 through glue, so that the connection strength of the burred fur 3 and the foam pad 2 is ensured during polishing.

Preferably, the base plate 1 is provided with a base 12, and when the sand plate is used, the base 12 is connected with a power source.

Preferably, the foam pad 2 is fixedly connected with the backing plate 1.

Preferably, the bottom base 12 on the bottom plate can be of other structures, when different operations are performed, the power source is different, and the bottom base 12 with different structures can be selected to adapt to different power sources, so that the adaptability of the structure is improved.

Preferably, can make and dismantle between collet 12 and the backing plate 1 and be connected, can directly change different collet 12 types this moment on backing plate 1, come the accordant connection on different power supplies, improve structural suitability.

In the preferred embodiment, a plurality of chip storage grooves 7 are formed around the chip removal hole 5, one ends of the chip storage grooves 7 are communicated with the chip removal hole 5, the thorn fur 3 and the sand paper 4 are provided with second through holes 8 corresponding to the chip storage grooves 7, and the chips generated during grinding can be temporarily stored through the chip storage grooves 7.

In the preferred embodiment, the bottom surface of the chip storage groove 7 is the inclined chip guide surface 9, one end of the chip guide surface 9 connected with the chip removal hole 5 is close to the base plate 1, the other end of the chip guide surface 9 is far away from the base plate 1, and the chips in the chip storage groove 7 can be guided to the chip removal hole 5 through the chip guide surface 9, so that the excessive chips in the chip storage groove 7 are avoided, and the chips can be conveniently removed.

In this embodiment, preferably, be provided with mounting groove 10 on the foam pad 2, backing plate 1 is located mounting groove 10, the edge of mounting groove 10 is provided with flange 11, flange 11 offsets with the edge of backing plate 1, improves the joint strength between backing plate 1 and the foam pad 2.

In the preferred embodiment, the end surface of the chip storage groove 7 far away from the chip removal hole 5 is an arc end surface, so that right-angle edges in the chip storage groove 7 are reduced, the retention time of the scraps in the chip storage groove 7 is reduced, and the chip guide efficiency is improved.

In the embodiment, the area of the side surface of the foam pad 2 connected with the sand paper 4 is preferably larger than that of the side surface connected with the backing plate 1, so that the foam pad has a small top and a big bottom, and the stability during polishing is improved.

In the preferred embodiment, the backing plate 1, the foam pad 2 and the sandpaper 4 are all in a shape of a reuleaux triangle.

Preferably, in this embodiment, the foam pad 2 is made of EVA foam.

In this embodiment, preferably, the thorn fur 3 is made of nylon.

As shown in figures 1 to 5, when in use, firstly the sand paper 4 is bonded on the thorn fur 3, then the sand tray is integrally connected on the power source through the bottom support 12, the surface of the object to be processed is propped against the sand paper 4, the sand tray can be driven to be integral through the power source, and the surface of the object is polished.

The anti-seismic buffer is provided through the foam pad 2 when polishing, so that the stress on the polishing surface of an object is uniform, and the polishing quality is improved.

In the polishing process, the surface of an object is effectively polished through the chip removing holes 5 and the abrasive paper 4 around the chip storage groove 7, and the abrasive paper 4 moves back and forth during polishing, so that scraps generated by polishing can be directly removed through the through chip removing holes 5 or enter the chip storage groove 7 around the chip removing holes 5, and then are guided to the chip removing holes 5 from the chip storage groove 7 along with the back and forth movement of the sand disc and the inclined chip guide surface 9 in the chip storage groove 7, and finally are discharged from the chip removing holes 5, so that the effective removal of the scraps is realized, and the polishing effect is improved.

When the sanding surface of the abrasive paper 4 is abraded, the abrasive paper can be directly torn off from the thorn fur 3, new abrasive paper 4 is replaced, and the new abrasive paper 4 is re-adhered to the thorn fur 3, so that the abrasive paper 4 can be replaced conveniently without replacing the whole abrasive disc, and the sanding cost is reduced.

Preferably, the sandpaper 4 can be of different meshes, so as to achieve the functions of sanding, grinding or polishing the surface of an object.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (9)

1. The utility model provides a multi-functional triangle sand table structure, includes the backing plate, its characterized in that: still include the foam pad, one side and the backing plate of foam pad are connected, the opposite side of foam pad is provided with thorn fur, be provided with abrasive paper on the thorn fur, the thorn hair face and the abrasive paper bonding of thorn fur, the smooth surface and the foam pad bonding of thorn fur, the middle part of foam pad is provided with penetrating chip removal hole, all be provided with the first through-hole that corresponds the chip removal hole on abrasive paper, thorn fur and the backing plate.

2. The multi-functional triangular sand table structure of claim 1, characterized in that: be provided with a plurality of chip storages around the chip removal hole, the one end and the chip removal hole intercommunication of chip storage groove, be provided with the second through-hole that corresponds chip storage groove on thorn fur and the abrasive paper.

3. The multi-functional triangle sand table structure of claim 2, characterized in that: the bottom surface of the chip storage groove is an inclined chip guide surface, one end of the chip guide surface, which is connected with the chip removal hole, is close to the base plate, and the other end of the chip guide surface is far away from the base plate.

4. The multi-functional triangle sand tray structure of claim 3, characterized in that: be provided with the mounting groove on the foam pad, the backing plate is located the mounting groove, the edge of mounting groove is provided with the flange, the flange is inconsistent with the edge of backing plate.

5. The multi-functional triangle sand table structure of claim 4, characterized in that: the end face of the chip storage groove far away from the chip removal hole is an arc end face.

6. The multi-functional triangular sand table structure of claim 5, characterized in that: the area of the side surface of the foam pad connected with the sand paper is larger than that of the side surface of the foam pad connected with the backing plate.

7. The multi-functional triangle sand tray structure of claim 6, characterized in that: the backing plate, the foam pad and the abrasive paper are all in a Lelo triangular shape.

8. The multi-functional triangle sand tray structure of claim 7, characterized in that: the foam pad is made of EVA foam material.

9. The multi-functional triangle sand tray structure of claim 8, characterized in that: the thorn fur is made of nylon.

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