Grinding disc

Abstract

The utility model discloses a polishing disc which comprises a body and an interface disc fixedly arranged on the body, an interface unit is arranged on the interface disc, and the interface unit comprises a through hole and at least two interface faces used for being matched with different polisher connectors. The grinding disc is reasonable in structural design, one grinding disc can be matched with at least two different types of grinding machines by arranging the at least two connector faces used for being matched with different grinding machine connectors on the grinding disc, a user can also use the different types of grinding machines to conduct grinding work by reducing the number of purchased grinding discs, and the grinding efficiency is improved. And resources are greatly saved while convenience is brought to the user.

Description

Technical Field

[0001] The utility model relates to the field of grinding discs, in particular to a grinding disc. Background Art

[0002] A grinding disc is a tool used for grinding, polishing and buffing workpieces. It is widely used in various industries such as automobile manufacturing, aerospace, shipbuilding, electronic manufacturing, etc., and is one of the indispensable important tools in modern industry. By means of high-speed rotation and friction, the grinding disc can effectively remove defects, burrs, oxide layers, etc. on the surface of the workpiece, so that the surface of the workpiece becomes smoother and flatter. In industrial production, the grinding disc can not only improve the appearance quality of the workpiece, but also improve its mechanical properties and service life.

[0003] The grinding disc needs to be used in conjunction with a grinding machine. The connecting head of the grinding machine is inserted into the interface surface of the grinding disc. In the prior art, due to different models of grinding machines, the shapes of the connecting heads of the grinding machines are also different, and a grinding disc with a corresponding interface surface needs to be used. Usually, the interface surface of a grinding disc can only match the connecting head of one model of grinding machine. During use, if the user needs to replace the grinding machine, the corresponding grinding disc also needs to be replaced, which brings inconvenience to people and also wastes resources. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a grinding disc in view of the current situation of the prior art.

[0005] The technical solution adopted by the utility model to solve the above technical problem is as follows: a grinding disc includes a body and an interface disc fixedly arranged on the body. The interface disc is provided with an interface unit, and the interface unit includes a through hole and at least two interface surfaces for matching different connecting heads of grinding machines.

[0006] Preferably, the interface surfaces include a first interface surface and a second interface surface, and the first interface surface and the second interface surface are connected by a step surface perpendicular to the interface surface.

[0007] Preferably, the body includes a suction disc, a polishing disc and a fixing disc. The suction disc and the fixing disc are respectively arranged on both sides of the polishing disc, and the interface disc is arranged outside the suction disc; a connecting disc for connection is arranged between the suction disc and the polishing disc.

[0008] Preferably, the polishing disc is provided with a connecting groove for installing the connecting disc.

[0009] Preferably, a plurality of fixing members for fixing are uniformly arranged along the outer edge of the interface disc, and fixing columns for cooperating with the fixing members for fixed connection are uniformly arranged along the outer edge of the connecting groove.

[0010] Preferably, connection holes for passing through and fixedly connecting are provided on the interface disk, the suction disk, and the connection disk.

[0011] Preferably, a plurality of suction holes for ventilation are provided on the suction disk.

[0012] Preferably, a plurality of first air suction holes for air suction and dust collection are provided on the polishing disk, and an air suction channel is further provided on the polishing disk and is matched with the first air suction holes. The suction disk is connected to one side of the polishing disk where the air suction channel is provided; second air suction holes corresponding to the first air suction holes are provided on the fixing disk.

[0013] Preferably, the interface disk is integrally formed.

[0014] Preferably, the shape of the interface surface further includes a hexagon, a six-pointed star, a circle, a triangle, etc.

[0015] Compared with the prior art, the advantages of the present utility model are as follows: By providing at least two interface surfaces for matching different grinding machine connectors on the grinding disk, one grinding disk can match at least two different models of grinding machines. Users can use different models of grinding machines for grinding work by reducing the number of grinding disks purchased, which brings convenience to users and greatly saves resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic structural diagram of the present utility model;

[0017] Figure 2 is an exploded structural diagram of the present utility model;

[0018] Figure 3 is a schematic structural diagram of the interface disk of the present utility model;

[0019] Figure 4 is a schematic diagram of other shaped structures of the interface disk of the present utility model.

[0020] Reference numerals: 1, interface disk; 11, through hole; 12, first interface surface; 13, second interface surface; 14, step surface; 2, suction disk; 21, suction hole; 3, polishing disk; 31, connection groove; 311, fixing column; 32, first air suction hole; 33, air suction channel; 4, fixing disk; 41, second air suction hole; 5, connection disk; 6, fixing member; 7, connection hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will disclose multiple embodiments of the present utility model in diagrams. For the sake of clear illustration, many practical details will be described together in the following narrative. However, it should be understood that these practical details are not used to limit the present utility model. That is to say, in some embodiments of the present utility model, these practical details are not necessary. In addition, for the purpose of simplifying the diagrams, some conventional structures and components will be illustrated in a simple schematic manner in the diagrams.

[0022] It should be noted that all directional indications in the embodiments of the present utility model, such as up, down, left, right, front, back... are only used to explain the relative positional relationship and movement conditions between components in a certain specific posture (as shown in the attached drawings). If this specific posture changes, then the directional indication will also change accordingly.

[0023] Moreover, in addition to being able to represent the orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "up" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present utility model can be understood according to the specific situation.

[0024] In addition, the terms "installation", "setting", "provided with", "connection", "connected", "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or there is internal communication between two devices, elements or components. The connection methods involved in this article are prior arts and have not been improved at all, which are all common knowledge of those skilled in the art. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific situation.

[0025] In addition, the descriptions such as "first", "second", etc. in the present utility model are only for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present utility model. It is only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" can explicitly or implicitly include at least one such feature. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present utility model. Embodiment 1

[0026] As Figures 1 to 3As shown in the figure, the present utility model provides a grinding disc, which includes a body and an interface disc 1 fixedly arranged on the body, and an interface unit is arranged on the interface disc 1; specifically, the interface unit includes a through hole 11 and at least two interface surfaces for matching different grinding machine connectors.

[0027] The interface surfaces include a first interface surface 12 and a second interface surface 13, and the first interface surface 12 and the second interface surface 13 are connected by a stepped surface 14 perpendicular to the interface surface.

[0028] The body includes a suction disc 2, a polishing disc 3 and a fixing disc 4. The suction disc 2 and the fixing disc 4 are respectively arranged on both sides of the polishing disc 3, and the interface disc 1 is arranged on the outer side of the suction disc 2; specifically, a connecting disc 5 for connection is arranged between the suction disc 2 and the polishing disc 3.

[0029] A connecting groove 31 for installing the connecting disc 5 is arranged on the polishing disc 3.

[0030] A number of fixing members 6 for fixing are evenly arranged along the outer edge of the interface disc 1; specifically, fixing columns 311 for cooperating with the fixing members 6 for fixed connection are evenly arranged along the outer edge of the connecting groove 31, and the end of the fixing member 6 is inserted and connected with the fixing column 311.

[0031] Connecting holes 7 for passing through and fixed connection are arranged on the interface disc 1, the suction disc 2 and the connecting disc 5; the end of the fixing member 6 passes through and connects the interface disc 1, the suction disc 2 and the connecting disc 5 in sequence.

[0032] A number of suction holes 21 for ventilation are arranged on the suction disc 2.

[0033] A number of first air suction holes 32 for air suction and dust collection are arranged on the polishing disc 3. An air suction channel 33 is also arranged on the polishing disc 3 and is matched with the first air suction holes 32. The first air suction holes 32 are arranged in the air suction channel 33, and the air suction channel 33 is arranged in a long strip groove shape; the suction disc 2 and the connecting disc 5 are both connected to the side of the polishing disc 3 where the air suction channel 33 is arranged.

[0034] The air suction channel 33 has an effective effect on improving the air suction effect.

[0035] Second air suction holes 41 corresponding to the first air suction holes 32 are arranged on the fixing disc 4; both the first air suction holes 32 and the second air suction holes 41 include various air suction hole types.

[0036] The dust and waste chips generated by grinding enter the air suction channel 33 through the second air suction holes 41 and the first air suction holes 32 in sequence, playing a role in discharging dust and waste chips.

[0037] The outer side surface of the fixing disc 4 can be directly in contact and connected with the abrasive paper, playing a grinding role.

[0038] The interface plate 1 is integrally formed.

[0039] The advantages of the present utility model are as follows: by providing at least two interface surfaces on the grinding disc for matching different grinding machine connectors, one grinding disc can match at least two different models of grinding machines. Users can use different models of grinding machines for grinding work by reducing the number of grinding discs purchased, which brings convenience to users and greatly saves resources. Embodiment 2

[0040] As Figure 4 shown, different from Embodiment 1, in this embodiment, the shapes of the interface surfaces also include hexagon, hexagram, circle, triangle, etc. The specific shapes included are shown in the attached drawings. Other structures are the same as those in Embodiment 1.

[0041] In the description of this specification, the reference terms "one embodiment", "some embodiments", "examples", "specific examples"

[0042] or "some examples", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0043] The standard parts used in the present utility model can all be purchased from the market. The special-shaped parts can be customized according to the description in the specification and the attached drawings. The specific connection methods of each part all adopt conventional means such as bolts, rivets, welding, pasting, etc. that are mature in the prior art, and will not be elaborated here.

[0044] The above content is only the preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, various changes and variations can be made in the specific implementation manners and application scopes. The content of this specification should not be construed as a limitation to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included within the scope of the claims of the present utility model.

Claims

1. A grinding disc, comprising a body and an interface disc fixedly arranged on the body, characterized in that: The interface plate is provided with an interface unit, and the interface unit includes a through hole and at least two interface surfaces for matching different grinding machine connectors; the interface surfaces include a first interface surface and a second interface surface, and the first interface surface and the second interface surface are connected by a stepped surface perpendicular to the interface surface.

2. A grinding disc according to claim 1, characterized in that: The main body includes a suction disc, a polishing disc and a fixing disc. The suction disc and the fixing disc are respectively arranged on both sides of the polishing disc, and the interface plate is arranged outside the suction disc; a connecting disc for connection is arranged between the suction disc and the polishing disc.

3. A grinding disc according to claim 2, wherein: The polishing disc is provided with a connecting groove for installing the connecting disc.

4. A grinding disc according to claim 3, wherein: A number of fixing members for fixing are evenly arranged along the outer edge of the interface plate, and fixing columns for cooperating with the fixing members for fixed connection are evenly arranged along the outer edge of the connecting groove.

5. A grinding disc according to claim 2, characterized in that: The interface plate, the suction disc and the connecting disc are all provided with connecting holes for passing through and fixed connection.

6. A grinding disc according to claim 2, characterized in that: The suction disc is provided with a number of suction holes for ventilation.

7. A grinding disc according to claim 2, wherein: The polishing disc is provided with a number of first air suction holes for air suction and dust collection. The polishing disc is also provided with an air suction channel cooperating with the first air suction holes. The suction disc is connected to the side of the polishing disc where the air suction channel is provided; the fixing disc is provided with second air suction holes corresponding to the first air suction holes.

8. A grinding disc according to claim 1, characterized in that: The interface plate is of an integrally formed design.

9. The abrasive disc according to claim 1, wherein: The shapes of the interface surfaces also include hexagon, hexagram, circle, triangle.

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