Quick connecting structure of grinding machine

Abstract

The utility model belongs to the field of quick-change connection of grinding discs of grinding machines, and particularly relates to a quick-connection structure of a grinding machine. The movable assembly is located between the grinding assembly and the connecting assembly, and the grinding assembly is connected with the connecting assembly through the movable assembly. The first fixing piece and the second fixing piece are fixed on the bottom plate, the first fixing piece and the second fixing piece are fixedly connected, the spherical piece is located between the first fixing piece and the second fixing piece, and a connecting rod is arranged on the spherical piece; a connecting piece is arranged on the connecting rod. The first fixing piece and the second fixing piece are provided with spherical containing parts matched with the spherical piece so that spherical connection can be achieved. The sphere centers of the spherical containing parts arranged on the first fixing piece and the second fixing piece are located on the same horizontal plane. Lubricating grease is arranged between the first fixing piece and the spherical piece and between the second fixing piece and the spherical piece. According to the technical scheme, the defect that at the present stage, a machine head of a grinding machine is provided with a plurality of connections to grind a wall surface in a multi-angle mode is overcome mainly through spherical rotating connection. And a plurality of connectors are time-consuming to replace and cannot be quickly replaced.

Description

Technical Field

[0001] This application belongs to the field of quick-change connection of grinding machine discs, and specifically relates to a quick-connect structure for a grinding machine. Background Technology

[0002] Before painting, varnishing, or wallpapering walls, the walls need to be sanded and cleaned. When operating a wall sander, the sander needs to have a lot of freedom to facilitate manual operation. Summary of the Invention

[0003] The purpose of this application is to provide a quick-connect structure for a grinder, which enables simple, quick, and reliable replacement of the grinding pad.

[0004] This application provides a quick-connect structure for a grinder, including: a movable component, a grinding component, a connecting component, and a dust collection component; the movable component is located between the grinding component and the connecting component, and the grinding component and the connecting component are connected through the movable component.

[0005] The movable components include a base plate, a first fixing member, a second fixing member, a spherical member, a connecting rod, and a connector; the first fixing member and the second fixing member are fixed to the base plate and are fixedly connected to each other; the spherical member is located between the first fixing member and the second fixing member, and a connecting rod is provided on the spherical member; a connector is provided on the connecting rod.

[0006] The first and second fixing members are provided with spherical receiving portions that mate with the spherical component. The centers of the spherical receiving portions on the first and second fixing members are located on the same horizontal plane. Lubricating grease is provided between the first and second fixing members and the spherical component.

[0007] There are two connectors, and the included angle between the openings of the two connectors is acute. The spherical component is a hollow sphere. A sealing sleeve is also included, which surrounds the moving component. The sealing sleeve prevents impurities from interfering with rolling.

[0008] This technical solution primarily addresses the shortcomings of current sander heads that require multiple connections for multi-angle wall sanding by using a spherical rotating connection. Replacing multiple connections is time-consuming and does not allow for quick replacement. Attached Figure Description

[0009] Figure 1 This is a schematic diagram of the overall structure of a grinding machine disclosed in an embodiment of this application;

[0010] Figure 2 This is a schematic diagram showing the positional relationship between the base plate, the first fixing component, and the second fixing component;

[0011] Figure 3 This is a 3D schematic diagram of the active components;

[0012] Figure 4 This is an isometric view of the active component;

[0013] Explanation of reference numerals in the attached figures:

[0014] 1-Active component; 11-Base plate; 12-First fixing component; 121-First spherical receiving part; 13-Second fixing component; 131-Second spherical receiving part; 14-First connecting component; 15-Second connecting component; 16-Spherical component; 17-Connecting rod; 2-Grinding component; 3-Connecting component; 4-Dust collection component. Detailed Implementation

[0015] Example

[0016] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0017] The quick-connect structure for a grinder provided in this application will be described in detail below with reference to the accompanying drawings, through specific embodiments and application scenarios.

[0018] refer to Figure 1-4 The quick-connect structure for a grinder provided in this application embodiment may include: a movable component 1, a grinding component 2, a connecting component 3, and a dust extraction component 4; as shown Figure 1 As shown, the movable component 1 is located between the sanding component 2 and the connecting component 3, and the sanding component 2 and the connecting component 3 are connected through the movable component 1. The connecting component 3 is fixedly connected to the operating handle. When sanding the wall, the operating handle is held in hand. Since sanding the wall requires the connecting component 3 and the sanding component 2 to constantly change their relative positions and relative angles, a larger area of ​​the wall can be sanded within a limited range of motion.

[0019] The active component 1 specifically includes a base plate 11, a first fixing member 12, a second fixing member 13, a spherical member 16, a connecting rod 17, a first connecting member 14, and a second connecting member 15; for example... Figure 2-4 As shown, the first fixing member 12 and the second fixing member 13 are fixed to the base plate 11 by screws. Corresponding through holes are provided at the locations of the first fixing member 12 and the second fixing member 13 and the base plate 11, facilitating the fixed connection of the first fixing member 12 and the second fixing member 13 to the base plate 11 using screws. Figure 2 As shown, the first fixing member 12 and the second fixing member 13 are also fixedly connected by screws. The first fixing member 12 is provided with a threaded hole, and the second fixing member 13 is provided with a countersunk through hole corresponding to the threaded hole. The screws fix the first fixing member 12 and the second fixing member 13.

[0020] like Figure 3-4 As shown, the spherical component 16 is located between the first fixing component 12 and the second fixing component 13, and a connecting rod 17 is provided on the spherical component 16; the two ends of the connecting rod 17 are respectively provided with a first connecting component 14 and a second connecting component 15. The included angle between the opening of the first connecting component 14 and the second connecting component 15 is an acute angle. This facilitates the connection of the first connecting component 14 and the second connecting component 15 to the connecting assembly 3. The connecting assembly 3 is currently generally made of plastic injection molded frame, which is elastic. When the connecting assembly 3 is connected to the first connecting component 14 and the second connecting component 15, the acute angle between the first connecting component 14 and the second connecting component 15 can better prevent the outward deformation of the connecting assembly 3, which helps to improve the service life of the connecting assembly. The connecting assembly 3 can be fixed to the first connecting component 14 and the second connecting component 15 by conventional snap-fit ​​connection, or it can be fixed by screw connection.

[0021] like Figure 2 As shown, the first fixing member 12 and the second fixing member 13 are provided with a first spherical receiving portion 121 and a second spherical receiving portion 131 that cooperate with the spherical member 16. The first spherical receiving portion 121 and the second spherical receiving portion 131 are concentric with the spherical member 16, and the inner diameter of the first spherical receiving portion 121 and the second spherical receiving portion 131 is larger than the outer diameter of the spherical member 16. This facilitates the formation of a cavity for accommodating the spherical member 16 by the first spherical receiving portion 121 and the second spherical receiving portion 131. The spherical member 16 can roll within the cavity formed by the first spherical receiving portion 121 and the second spherical receiving portion 131; its rolling range is such that the first connecting member 14 and the second connecting member 15 touch the corresponding housing. Because the spherical member 16 can roll within the cavity formed by the first spherical receiving portion 121 and the second spherical receiving portion 131, the two connection methods of pitch angle connection and rotation connection in the current design are eliminated, referring to the pitch angle swing and rotation structure disclosed in patent document 2023116351308. This technical solution eliminates one of the connections, making disassembly easier. Meanwhile, the first fastener 12 and the second fastener 13 are made of castings, which also saves costs.

[0022] The centers of the first spherical receiving portions 121 and 131 provided on the first fixing member 12 and the second fixing member 13 are preferably located on the same horizontal plane. This ensures that the spherical part 16 can roll smoothly within the cavity formed by the first spherical receiving portion 121 and the second spherical part. Lubricant is provided between the first fixing member 12 and the second fixing member 13 and the spherical part 16. A sealing sleeve is provided outside the movable component 2. The sealing sleeve has good sealing performance and does not enclose the first connecting member 14 and the second connecting member 15. The enclosing range ends at the contact point between the connecting rod 17 and the first connecting member 14 and the second connecting member 15. This prevents impurities from flying into the space between the first fixing member 12 and the second fixing member 13 and the spherical part 16, affecting rolling.

[0023] The spherical component 16 is preferably a hollow sphere to reduce weight and facilitate hand-held operation.

[0024] The embodiments of this application have been described above with reference to the accompanying drawings. However, this application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A quick-connect structure for a grinding machine, characterized in that, include: The system comprises a movable component, a polishing component, a connecting component, and a dust collection component; the movable component is located between the polishing component and the connecting component, and the polishing component and the connecting component are connected by the movable component; the movable component includes a base plate, a first fixing member, a second fixing member, a spherical component, a connecting rod, and a connecting member; the first fixing member and the second fixing member are fixed to the base plate and are fixedly connected to each other; the spherical component is located between the first fixing member and the second fixing member, and the spherical component is provided with a connecting rod; the connecting rod is provided with a connecting member.

2. The quick-connect structure for a grinder according to claim 1, characterized in that, The first and second fixing members are provided with spherical receiving portions that cooperate with the spherical member.

3. The quick-connect structure for a grinder according to claim 2, characterized in that, The centers of the spherical receiving portions on the first and second fixing members are located on the same horizontal plane.

4. The quick-connect structure for a grinder according to claim 3, characterized in that, Lubricating grease is provided between the first and second fixing members and the spherical member.

5. The quick-connect structure for a grinder according to claim 1, characterized in that, The number of connectors is two, and the included angle between the openings of the two connectors is an acute angle.

6. The quick-connect structure for a grinder according to claim 1, characterized in that, The spherical component is a hollow sphere.

7. The quick-connect structure for a grinding machine according to any one of claims 1-6, characterized in that, It also includes a sealing sleeve that covers the outside of the active components.

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