Aluminum alloy surface grinding device

Abstract

The utility model relates to an aluminum alloy surface polishing device which comprises a frosted plate, a fixing plate, a connecting plate and a handle, the frosted plate is detachably installed at the bottom of the fixing plate, the connecting plate is fixedly installed at the top of the fixing plate, the handle is arranged at the top of the connecting plate, polishing abrasive paper is pasted on the bottom face and the side face of the frosted plate, and the handle is arranged on the bottom face and the side face of the frosted plate. Limiting plates are arranged at the two ends of the frosted plate and comprise vertical plates and inclined plates, the vertical plates are fixedly connected to the top faces of the two ends of the frosted plate, the inclined plates are fixedly connected to the tops of the vertical plates, limiting blocks are arranged at the two ends of the fixing plate, inclined grooves are formed in the limiting blocks, and the inclined plates are inserted into the inclined grooves respectively. Through the design of the detachable frosted plate, the frosted plate with the uneven surface can be conveniently replaced in time, and abrasion and scratches are prevented from being generated on the aluminum alloy surface in the polishing process; the frosted plate is provided with an inclined surface and an arc surface, so that the inclined surface and the arc inner surface can be conveniently polished.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding devices, in particular to a grinding device for the surface of aluminum alloy. Background Technique

[0002] In the aviation industry, the connection technology between aluminum alloy and composite materials is complex and has many problems. Therefore, the surface treatment of the connector plays a crucial role. The surface roughness and weak boundary layer of aluminum alloy are important factors affecting the strength and durability of the connection joint. Through mechanical treatment, the sparse oxide layer on the surface of aluminum alloy can be removed and a peak-valley structure can be formed, thereby increasing the surface roughness and bonding area. The mechanical treatment methods include sandpaper grinding and sandblasting. After repeatedly pasting sandpaper, the existing sandpaper grinding device often causes unevenness of the bottom surface due to residual back glue, resulting in defects on the surface of the ground aluminum alloy. Content of the Utility Model

[0003] The utility model aims to solve the deficiencies of the prior art and provides a grinding device for the surface of aluminum alloy.

[0004] To achieve the above object, the utility model adopts the following technical solutions: A grinding device for the surface of aluminum alloy, comprising: a grinding plate, a fixing plate, a connecting plate, and a handle. The grinding plate is detachably installed at the bottom of the fixing plate. The connecting plate is fixedly installed at the top of the fixing plate. The handle is provided at the top of the connecting plate. Grinding sandpapers are pasted on the bottom surface and the side surface of the grinding plate. Limiting plates are provided at both ends of the grinding plate. The limiting plates include vertical plates and inclined plates. The vertical plates are fixedly connected to the top surfaces at both ends of the grinding plate. The inclined plates are fixedly connected to the tops of the vertical plates. Limiting blocks are provided at both ends of the fixing plate. Oblique grooves are formed in the limiting blocks. The inclined plates are respectively inserted into the oblique grooves.

[0005] Further, it further comprises: a limiting column. A limiting hole is formed at the top of the limiting block and penetrates through to the top of the oblique groove. A limiting groove is formed at the top of the inclined plate. The limiting column passes through the limiting hole, and the bottom of the limiting column is clamped into the limiting groove.

[0006] Further, internal threads are provided in the limiting hole, external threads are provided on the limiting column, and the limiting hole and the limiting column are in threaded connection.

[0007] Further, one side surface of the grinding plate is an inclined surface, and the other side surface of the grinding plate is an arc surface.

[0008] Further, it further includes: a bolt. A trapezoidal card slot is provided on the connecting plate. An L-shaped card block is provided at the bottom of the handle. The L-shaped card block is clamped in the trapezoidal card slot. Threaded holes are respectively provided on the connecting plate and the L-shaped card block. The bolt fixedly connects the connecting plate and the L-shaped card block by being threadedly connected to the threaded holes.

[0009] Further, an anti-slip pad is provided at the top of the handle.

[0010] The beneficial effects of the present utility model are as follows: By designing a detachable frosted plate, it is convenient to replace the frosted plate with an uneven surface in a timely manner, preventing abrasion and scratches on the aluminum alloy surface during the grinding process; the frosted plate is designed with an inclined surface and an arc surface, facilitating the grinding treatment of the inclined surface and the inner arc surface; the detachable handle is provided, making it more convenient for storage and carrying. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 is a schematic structural diagram of the present utility model;

[0012] Figure 2 is Figure 1 an enlarged cross-sectional view of part A in

[0013] Figure 3 is Figure 1 an enlarged cross-sectional view of part B in

[0014] In the figure: 1 - frosted plate; 2 - fixing plate; 3 - connecting plate; 4 - handle; 5 - grinding sandpaper; 6 - vertical plate; 7 - inclined plate; 8 - limiting block; 9 - inclined groove; 10 - limiting column; 11 - limiting hole; 12 - limiting groove; 13 - inclined surface; 14 - arc surface; 15 - bolt; 16 - trapezoidal card slot; 17 - L-shaped card block; 18 - anti-slip pad;

[0015] The drawings in the present utility model are all schematic diagrams, and their sizes do not represent actual dimensions;

[0016] The following will be described in detail with reference to the embodiments of the present utility model with reference to the drawings. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The present utility model will be further described below with reference to the drawings and embodiments:

[0018] As Figures 1 to 3As shown in the figure, an aluminum alloy surface grinding device includes: a grinding plate 1, a fixing plate 2, a connecting plate 3, and a handle 4. The grinding plate 1 is detachably installed at the bottom of the fixing plate 2. The top of the fixing plate 2 is fixedly installed with the connecting plate 3. The top of the connecting plate 3 is provided with the handle 4. The bottom surface and the side surface of the grinding plate 1 are pasted with abrasive papers 5. The two ends of the grinding plate 1 are provided with limiting plates. The limiting plates include vertical plates 6 and inclined plates 7. The vertical plates 6 are fixedly connected to the top surfaces of the two ends of the grinding plate 1. The inclined plates 7 are fixedly connected to the tops of the vertical plates 6. The two ends of the fixing plate 2 are provided with limiting blocks 8. The limiting blocks 8 are provided with inclined grooves 9. The inclined plates 7 are respectively inserted into the inclined grooves 9. When the grinding plate 1 is worn or there is residual adhesive, it can be replaced in time.

[0019] It further includes: a limiting column 10. A limiting hole 11 is opened at the top of the limiting block 8. The limiting hole 11 penetrates to the top of the inclined groove 9. A limiting groove 12 is opened at the top of the inclined plate 7. The limiting column 10 passes through the limiting hole 11, and the bottom of the limiting column 10 is clamped into the limiting groove 12. The grinding plate 1 is fixed to the bottom of the fixing plate 2.

[0020] The limiting hole 11 is provided with internal threads, and the limiting column 10 is provided with external threads. The limiting hole 11 and the limiting column 10 are threadedly connected.

[0021] One side surface of the grinding plate 1 is an inclined surface 13, and the other side surface of the grinding plate 1 is an arc surface 14. It is convenient to grind the inclined surface and the inner arc surface.

[0022] It further includes: a bolt 15. A trapezoidal card slot 16 is opened on the connecting plate 3. The bottom of the handle 4 is provided with an L-shaped card block 17. The L-shaped card block 17 is clamped in the trapezoidal card slot 16. Threaded holes are respectively opened on the connecting plate 3 and the L-shaped card block 17. The bolt 15 fixedly connects the connecting plate 3 and the L-shaped card block 17 by being threadedly connected with the threaded holes. It is convenient to disassemble the handle. The handle 4 is made of an elastic plastic material.

[0023] The top of the handle 4 is provided with an anti-slip pad 18.

[0024] When the utility model is in use, the inclined plate 7 and the inclined groove 9 are aligned and inserted. The limiting column 10 is passed through the limiting hole 11. The limiting column 10 is rotated so that the external threads of the limiting column 10 and the internal threads of the limiting hole 11 are threadedly connected until the bottom of the limiting column 10 is clamped into the limiting groove 12, and the grinding plate 1 is fixed to the bottom of the fixing plate 2. The bottom of the handle 4 is pulled open, the L-shaped card block 17 is clamped into the trapezoidal card slot 16, and the handle 4 and the connecting plate 3 are fixedly connected by the bolt 15. The abrasive papers 5 are pasted on the bottom surface and the side surface of the grinding plate 1.

[0025] The above has made an exemplary description of the present utility model in conjunction with the accompanying drawings. Obviously, the specific implementation of the present utility model is not limited by the above-mentioned manner. As long as various improvements are made by adopting the method concept and technical solution of the present utility model, or directly applied to other occasions without improvement, they are all within the protection scope of the present utility model.

Claims

1. An aluminum alloy surface grinding device, characterized in that: include: A sanding plate (1), a fixing plate (2), a connecting plate (3), and a handle (4), wherein the sanding plate (1) is detachably mounted on the bottom of the fixing plate (2), the connecting plate (3) is fixedly mounted on the top of the fixing plate (2), the top of the connecting plate (3) is provided with the handle (4), the bottom and side surfaces of the sanding plate (1) are pasted with sandpaper (5), both ends of the sanding plate (1) are provided with limit plates, the limit plates include vertical plates (6) and inclined plates (7), the vertical plates (6) are fixedly connected to the top surfaces of both ends of the sanding plate (1), the inclined plates (7) are fixedly connected to the tops of the vertical plates (6), both ends of the fixing plate (2) are provided with limit blocks (8), the limit blocks (8) are provided with inclined grooves (9), and the inclined plates (7) are respectively inserted into the inclined grooves (9).

2. The aluminum alloy surface grinding device according to claim 1, characterized in that: Also includes: A limiting column (10), a limiting hole (11) is provided on the top of the limiting block (8), the limiting hole (11) penetrates to the top of the inclined groove (9), a limiting groove (12) is provided on the top of the inclined plate (7), the limiting column (10) passes through the limiting hole (11), and the bottom of the limiting column (10) is inserted into the limiting groove (12).

3. The aluminum alloy surface grinding device according to claim 2, characterized in that: The limiting hole (11) is provided with an internal thread, the limiting column (10) is provided with an external thread, and the limiting hole (11) and the limiting column (10) are threadedly connected.

4. The aluminum alloy surface grinding device according to claim 1, characterized in that: One side surface of the frosting plate (1) is a sloped surface (13), and the other side surface of the frosting plate (1) is a circular arc surface (14).

5. The aluminum alloy surface grinding device according to claim 1, characterized in that: Also includes: The bolt (15) is provided with a trapezoidal slot (16) on the connecting plate (3), an L-shaped block (17) is provided at the bottom of the handle (4), the L-shaped block (17) is clamped in the trapezoidal slot (16), the connecting plate (3) and the L-shaped block (17) are respectively provided with threaded holes, and the bolt (15) is threadedly connected with the threaded hole to fix the connecting plate (3) and the L-shaped block (17) together.

6. The aluminum alloy surface grinding device according to claim 5, characterized in that: An anti-slip pad (18) is provided on the top of the handle (4).

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