Hanging tool for anodic oxidation of aluminum sheet test piece for aeronautical part

By designing an anodizing fixture for aluminum sheet specimens that does not require drilling, and utilizing a frame and fixing module structure, the problem of low efficiency caused by drilling during the anodizing process of aluminum sheet specimens is solved, achieving rapid fixing and efficient experimentation.

CN224031132UActive Publication Date: 2026-03-24WUXI YINGBEI ELECTROCHEMICAL ENG CO LTD
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Patent Information

Application Number
CN202520783213.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-23
Publication Date
2026-03-24
Estimated Expiration
2035-04-23

AI Technical Summary

Technical Problem

Existing technologies require drilling holes for fixation during the anodizing process of aluminum sheet specimens, resulting in low batch testing efficiency.

Method used

A mounting fixture for anodizing aluminum sheet specimens without drilling was designed. It adopts a frame, beam and fixing module structure, and fixes the aluminum sheet specimens with bolts and nuts, which can be adapted to specimens of different sizes.

Benefits of technology

This technology enables the rapid fixation of aluminum sheet specimens without drilling, improving the efficiency and applicability of anodizing experiments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a hanger for anodizing an aluminum sheet test piece for aeronautical parts. The hanger comprises a frame body, a plurality of cross beams and a plurality of groups of first fixing modules, the frame body is of a square structure; a hook is welded to the top of the frame body. The cross beams are horizontally fixed in the frame body; each first fixing module comprises four first bolts. In each group of first fixing modules, two first bolts are horizontally arranged on the same cross beam, and the rest two first bolts are horizontally arranged on the adjacent cross beam below the previous cross beam; in the four first bolts in each group, the first bolts at the upper part correspond to the first bolts at the lower part one by one; the first bolt is sleeved with three first nuts. The aluminum sheet test piece can be effectively fixed without punching the aluminum sheet test piece, so that the mounting efficiency is improved, and the subsequent anodic oxidation test on the aluminum sheet test piece is facilitated.
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Description

TECHNICAL FIELD

[0001] The utility model relates to metal surface treatment technical field, concretely relates to a kind of aluminum sheet test piece for aviation parts is hung with anode oxidation. BACKGROUND

[0002] Aluminum sheet is very widely used in the field of aviation, mainly used to manufacture aircraft skin, hatch, fuel tank and other components. Since these components need to withstand extreme environmental conditions, such as high temperature, low temperature, humidity change and possible contact with corrosive substances, the surface treatment of aluminum sheet is crucial. Regular anodic oxidation tests can ensure that the surface treatment effect of aluminum sheet is always kept at the best state. The test content includes the thickness, hardness, adhesion and corrosion resistance of oxide film and other indicators. Through these tests, any potential problems can be found and handled in time to ensure that aluminum sheet can provide reliable protection and performance during use.

[0003] When anodizing aluminum sheet test piece, it is usually necessary to drill holes in the four corners of the aluminum sheet, and then hang it on the hanger through the four through holes. The above operation makes the aluminum sheet test piece have an extra step of punching before anodizing. When testing aluminum sheet test piece in batches, the subsequent detection efficiency is reduced.

[0004] Therefore, it is desirable to provide an aluminum sheet test piece for aviation parts anode oxidation hanger that can solve the above technical problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing an aluminum sheet test piece for aviation parts anode oxidation hanger, which can effectively fix the aluminum sheet test piece without punching holes, speed up the installation efficiency and facilitate subsequent anodic oxidation test.

[0006] To achieve the above utility model purposes, the utility model provides an aluminum sheet test piece for aviation parts anode oxidation hanger, which comprises a frame, a plurality of beams and a plurality of first fixing modules.

[0007] The frame is a square structure.

[0008] The top of the frame is welded with a hook.

[0009] A plurality of beams are horizontally fixed in the frame.

[0010] A plurality of first fixing modules each include four first bolts.

[0011] In each first fixing module, two first bolts are horizontally arranged on the same beam, and the remaining two first bolts are horizontally arranged on the adjacent beam below the previous beam.

[0012] The upper first bolt in each group corresponds to the lower first bolt in the group one by one.

[0013] Three first nuts are sleeved on the first bolts.

[0014] Preferably, the side surface of the cross beam is provided with a long slot along the length direction of the cross beam, and the long slot penetrates through the front and rear sides of the cross beam.

[0015] The first bolts are all slidingly inserted into the long slot.

[0016] Further, a plurality of connecting holes are vertically and symmetrically arranged on the two sides of the frame body.

[0017] The cross beam is fixed on the corresponding connecting holes of the frame body through the fastening bolts at the two ends of the cross beam.

[0018] Preferably, a plurality of second fixing modules are further included.

[0019] Each of the plurality of second fixing modules includes four second bolts.

[0020] In each of the plurality of second fixing modules, two of the second bolts are horizontally arranged in the long slot on the same cross beam, and the remaining two of the second bolts are horizontally arranged on the adjacent cross beam below the previous cross beam.

[0021] The upper second bolt in each group corresponds to the lower second bolt in the group one by one.

[0022] Three second nuts are sleeved on the second bolts.

[0023] The end of the first bolt and the end of the second bolt are respectively located on the front and rear sides of the frame body.

[0024] Preferably, a support frame is fixed to the bottom of the frame body.

[0025] Further, a reinforcing rib is arranged at the connection between the support frame and the frame body.

[0026] Preferably, a reinforcing frame is further arranged on the top of the frame body, and the reinforcing frame is welded with the hook.

[0027] Compared with the prior art, the hanger for anodizing of an aluminum sheet test piece for aviation parts has the following advantages:

[0028] (1) By arranging the first fixing module and arranging the first nuts on the first fixing module, the two first nuts at the outer end are used to clamp the corners of the aluminum sheet test piece, so that the aluminum sheet test piece is effectively fixed and the fixing efficiency is improved.

[0029] (2) By setting a second fixing module on the other side of the frame, the frame can be utilized to the maximum extent, increasing the number of aluminum sheet specimens that can be hung on the frame, thereby improving the experimental efficiency of anodizing them.

[0030] (3) Simple structure and easy to use. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the frame structure in this embodiment;

[0032] Figure 2 This is a schematic diagram of the structure of a mounting fixture for anodizing aluminum sheet specimens for aerospace parts, as described in this embodiment. Figure 1 ;

[0033] Figure 3 This is a schematic diagram of the structure of a mounting fixture for anodizing aluminum sheet specimens for aerospace parts, as described in this embodiment. Figure 2 ;

[0034] Figure 4 for Figure 3 Enlarged view of a portion of point A in the middle;

[0035] Figure 5 This is a schematic diagram of the structure of a mounting fixture for anodizing aluminum sheet specimens for aerospace parts, as described in this embodiment. Figure 3 . Detailed Implementation

[0036] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0037] Example

[0038] A fixture for anodizing aluminum sheet specimens for aerospace parts includes a frame 1, several crossbeams 2, and several sets of first fixing modules.

[0039] like Figure 1 As shown, the frame 1 has a square structure; a hook 3 is welded to the top of the frame 1 for connecting to an external copper busbar to achieve electrical conductivity.

[0040] In this embodiment, a support frame 4 is fixed to the bottom of the frame 1 to facilitate vertical support of the frame 1 on the ground. Furthermore, a reinforcing rib 5 is provided at the connection between the support frame 4 and the frame 1 to ensure a stable connection.

[0041] In this embodiment, a reinforcing frame 6 is also provided on the top of the frame 1. The reinforcing frame 6 is welded to the hook 3, which effectively improves the stability of the welding between the hook 3 and the frame 1.

[0042] Several of the aforementioned crossbeams 2 are horizontal within the frame 1.

[0043] Each of the first fixing modules comprises four first bolts 7; in each group of first fixing modules, two of the first bolts 7 are horizontally arranged on the same beam 2, and the other two first bolts are horizontally arranged on the adjacent beam below the beam; and in each group of four first bolts 7, the upper first bolt corresponds to the lower first bolt one by one; and three first nuts 8 are sleeved on the first bolts.

[0044] When fixing the aluminum sheet test piece, the two first nuts at the outer ends of the four first bolts 7 in each group are separated (the innermost first nut is used to fix the first bolt), and then the four corners of the aluminum sheet test piece 9 are clamped between the two first nuts 8 at the outer ends of the four first bolts in the group, and then the two first nuts 8 at the outer ends are tightened to fix the aluminum sheet test piece 9; finally, the hanger is soaked in the anodizing tank, and the hook 3 is hung on the copper bar, and anodizing can be performed by power supply.

[0045] In the embodiment, as shown in Figure 2 The side surface of the beam 2 is provided with a long groove 10 along the length direction, and the long groove 10 penetrates through the front and rear sides of the beam 2; the first bolts 7 are all slidingly inserted into the long groove 10; in this way, the distance between the two first bolts 7 on the same beam 2 in each group can be adjusted, and then the first nuts 8 close to each other are tightened, so that the aluminum sheet test piece of different widths can be effectively fixed.

[0046] Further, in the embodiment, as shown in Figure 5 The frame 1 is vertically and symmetrically provided with a plurality of connecting holes 11 on both sides; the beams 2 are fixed on the corresponding connecting holes 11 of the frame 1 through the fastening bolts at both ends; in this way, the distance between the adjacent beams 2 can be adjusted, so that the test piece of different lengths can be fixed.

[0047] In the embodiment, as shown in Figure 3 and Figure 4As shown in the drawings, the hanger for anodizing aluminum sheet test pieces for aviation parts further comprises a plurality of second fixing modules; each of the plurality of second fixing modules comprises four second bolts 12; in each second fixing module, two of the second bolts 12 are horizontally arranged in the long groove 10 on the same beam 2, and the remaining two second bolts 12 are horizontally arranged on the adjacent beam below the last beam; and in each of the four second bolts 12, the upper second bolt corresponds to the lower second bolt one by one; three second nuts 13 are sleeved on the second bolts 12; the ends of the first bolts 7 and the ends of the second bolts 12 are respectively located on the front and rear sides of the frame body 1; in this way, each of the second fixing modules and the first fixing module fixes the aluminum sheet test piece in the same way, maximally utilizes the hanger, and fixes the aluminum sheet test piece on the other side for anodizing treatment.

[0048] Although the embodiments of the present application have been shown and described above, it should be understood that the above-mentioned embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above-mentioned embodiments within the scope of the present application.

Claims

1. A fixture for anodizing aluminum sheet specimens used in aerospace parts, characterized in that, The utility model provides a kind of frame, including frame, several beams and several groups of first fixed module; The frame is a square structure; The top of the frame is welded with a hook; Several beams are horizontally fixed in the frame; Several groups of the first fixed module each include four first bolts; In each group of first fixed module, two first bolts are horizontally arranged on the same beam, and the remaining two first bolts are horizontally arranged on the adjacent beam below the last beam; In the four first bolts of each group, the upper first bolt corresponds to the lower first bolt one by one; Three first nuts are sleeved on the first bolt.

2. The hanger for anodizing an aluminum sheet test piece for an aircraft part according to claim 1, characterized by The side of the beam is provided with a long slot along the length direction, and the long slot penetrates through the front and back sides of the beam; The first bolt is slidably inserted into the long slot.

3. The hanger for anodizing an aluminum sheet test piece for an aircraft part according to claim 2, characterized by Several connecting holes are vertically and symmetrically provided on both sides of the frame; The beam is fixed on the corresponding connecting hole of the frame by the fastening bolt at both ends.

4. The hanger for anodizing of an aluminum sheet test piece for an aircraft part according to any one of claims 1 to 3, characterized in that, It also includes several groups of second fixed module; Several groups of the second fixed module each include four second bolts; In each group of second fixed module, two second bolts are horizontally arranged in the long slot on the same beam, and the remaining two second bolts are horizontally arranged on the adjacent beam below the last beam; And in the four second bolts of each group, the upper second bolt corresponds to the lower second bolt one by one; Three second nuts are sleeved on the second bolt; The end of the first bolt and the end of the second bolt are located on the front and back sides of the frame respectively.

5. The hanger for anodizing an aluminum sheet test piece for an aircraft part according to claim 1, characterized by The bottom of the frame is fixed with a support frame.

6. The hanger for anodizing an aluminum sheet test piece for an aircraft part according to claim 5, characterized by A reinforcing rib is provided at the connection between the support frame and the frame.

7. The hanger for anodizing an aluminum sheet test piece for an aircraft part according to claim 1, characterized by A reinforcing frame is further provided on the top of the frame, and the reinforcing frame is welded with the hook.