Hanging tool for anodic oxidation electroplating of aluminum alloy plate

Abstract

The utility model relates to a hanger for anodic oxidation electroplating of an aluminum alloy plate. The hanger comprises a frame body, a hook and a plurality of fixing modules, supporting plates are arranged at the two ends of the bottom of the frame. At least two cross beams are arranged in the frame body along the width direction of the frame body; the bottom of the hook is welded to the middle of the top of the frame. A limiting elastic piece is arranged in the hanging part of the hook, and the bottom of the limiting elastic piece is welded to the bottom of the inner wall of the hanging part; a bolt is arranged on the side wall of the hanging part; the fixing modules are evenly distributed on the two sides of the cross beam. The fixing module comprises a U-shaped supporting frame and three limiting strips. The U-shaped supporting frame is vertically welded on the side wall of the cross beam; a V-shaped clamping opening is formed in the end portion of the outer side of each limiting strip, any two of the three limiting strips are welded to the upper portion and the lower portion of one end of the U-shaped supporting frame, and the other limiting strip is welded to the middle of the other end of the U-shaped supporting frame. The aluminum alloy plate anodizing device can effectively fix aluminum alloy plates to be anodized in batches, and the anodizing effect of the aluminum alloy plates is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of metal surface treatment, in particular to a hanger for anodizing and electroplating of aluminum alloy plates. Background Art

[0002] Anodizing is the electrochemical oxidation of metals or alloys. Aluminum and its alloys form an oxide film on aluminum products (anodes) under the action of an applied current in the corresponding electrolyte and specific process conditions. If not otherwise specified, anodizing usually refers to sulfuric acid anodizing. In order to overcome the defects of aluminum alloy surface hardness, wear resistance, etc., expand the scope of application, and extend service life, surface treatment technology has become an indispensable part of the use of aluminum alloys, and anodizing technology is the most widely used and successful.

[0003] The aluminum alloy plate for aviation needs to be cut into a fixed size, and then anodized and electroplated with an oxide film on its surface, and then the performance test is carried out. The Chinese utility model patent with the announcement number CN220468200U discloses a disc-type hanger for anodization, including a support column, a hook and a plurality of fixed modules; the support column, the hook and the plurality of fixed modules are all made of titanium alloy; the hook is fixed on the top of the support column, and the support column is hung on the external copper bar through the hook; the plurality of fixed modules each include two discs, the center of the disc has a sleeve through hole, the outer wall of the disc has a sleeve part, the sleeve part and the sleeve through hole share the same axis, and the side wall of the sleeve part is provided with a fixing bolt; the two discs on the same fixed module are sleeved on the support column, and the inner walls of the two discs are arranged facing each other; the edge position of the disc is fixed with a plurality of limit strips in a circular array, and the outer end of the limit strip is upwardly tilted and has a V-shaped bayonet. The above-mentioned disc-type hanger can be adapted to aluminum sheets of different lengths, and can be fixed quickly and in batches, so as to facilitate the subsequent anodizing treatment of the surface. However, the above-mentioned disc-type hanger cannot effectively and firmly fix the aluminum alloy plate. Since the electroplated film layer is an insulating film layer, when the hanger shakes, it is easy to cause the limit strip on the fixing module to move and directly clamp on the insulating film layer, resulting in the inability to anodize the aluminum alloy plate to form a coating; and when fixing the aluminum alloy plate, the above-mentioned fixing module needs to move the position of the two discs, and then clamp the bottom and top of the aluminum alloy plate on the corresponding limit strips on the two discs respectively, which is easy to bend the aluminum alloy plate when clamping it.

[0004] Therefore, a kind of hanger for anodizing electroplating of aluminum alloy plate is developed to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a hanger for anodizing and electroplating of aluminum alloy plates, which can effectively fix the aluminum alloy plates to be anodized in batches and ensure the anodizing effect.

[0006] In order to achieve the purpose of the above utility model, the utility model is a hanger for anodizing and electroplating of aluminum alloy plates, comprising a frame, a hook and a plurality of fixing modules;

[0007] Support plates are symmetrically arranged at both ends of the bottom of the frame;

[0008] At least two crossbeams are arranged in the frame along the width direction of the frame, one end of the crossbeam is fixed to one side of the frame, and the other end is fixed to the other side of the frame;

[0009] The bottom of the hook is welded to the middle position of the top of the frame;

[0010] A limiting spring piece is provided in the hanging part of the hook, and the bottom of the limiting spring piece is welded to the bottom of the inner wall of the hanging part;

[0011] A bolt is provided on the side wall of the hanging part, the bolt is threadedly connected to the side wall of the hanging part, passes through the side wall of the hanging part, and contacts with the limiting spring sheet;

[0012] A plurality of the fixing modules are evenly distributed on both sides of the crossbeam;

[0013] The fixing module includes a U-shaped support frame and three limit bars;

[0014] The U-shaped support frame is vertically welded to the side wall of the crossbeam, and the opening of the U-shaped support frame faces downward;

[0015] A V-shaped bayonet is provided at the outer end of the limit strip. Among the three limit strips, any two limit strips are welded to the upper and lower parts of one end of the U-shaped support frame and remain horizontal. Another limit strip is welded to the middle part of the other end of the U-shaped support frame. The three limit strips are all located on the same side of the U-shaped support frame.

[0016] Preferably, there are two cross beams.

[0017] Preferably, a fastening nut is sleeved on the bolt.

[0018] Furthermore, a handle is fixed to the head of the bolt.

[0019] Preferably, three limiting spring columns are provided on the other side of the U-shaped support frame. Among the three limiting spring columns, any two limiting spring columns are fixed at the upper and lower parts of one end of the U-shaped support frame and remain horizontal, and the other limiting spring column is fixed at the middle part of one end of the U-shaped support frame and remains horizontal.

[0020] Furthermore, the surface of the limiting spring column is provided with an external thread.

[0021] Preferably, a cross bar is provided on the outer wall of the hook.

[0022] Furthermore, reinforcing rods are fixed to both ends of the top of the frame, one end of the reinforcing rod is fixed to the top of the frame, and the other end of the reinforcing rod is fixed to one side of the hook.

[0023] The utility model is a hanger for anodizing and electroplating of aluminum alloy plates, which has the following advantages compared with the prior art:

[0024] (1) A plurality of U-shaped support frames are arranged on the crossbeams of the frame body, and any two of the three limit bars are welded to the upper and lower parts of one end of the U-shaped support frame and kept horizontal, and the other limit bar is welded to the middle part of the other end of the U-shaped support frame. The three limit bars are all located on the same side of the U-shaped support frame, so as to effectively and firmly fix the aluminum alloy plate to prevent it from slipping during the anodizing process, thereby ensuring the effect of anodizing;

[0025] (2) Three limit springs are set on the other side of the U-shaped support frame to fix the aluminum alloy plate while minimizing contact, so as to facilitate subsequent immersion in chemical reagents to form a chemical film on its surface and improve the function of the hanger;

[0026] (3) Simple structure and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the structure of the connection between the frame and the hook in this embodiment;

[0028] Figure 2 for Figure 1 A partial enlarged view of the middle part;

[0029] Figure 3 A schematic diagram of a hanger for anodizing and electroplating an aluminum alloy plate provided in this embodiment Figure 1 ;

[0030] Figure 4 for Figure 3 A partial enlarged view of point B in the middle;

[0031] Figure 5 A schematic diagram of a hanger for anodizing and electroplating an aluminum alloy plate provided in this embodiment Figure 2 ;

[0032] Figure 6 This is a schematic diagram of the operation of a hanger for anodizing and electroplating of aluminum alloy plates provided in this embodiment. DETAILED DESCRIPTION

[0033] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0034] Example 1

[0035] A hanger for anodizing and electroplating of aluminum alloy plates comprises a frame 1, a hook 2 and a plurality of fixing modules.

[0036] like Figure 1 As shown, support plates 3 are symmetrically provided at both ends of the bottom of the frame 1; at least two beams 4 are provided inside the frame 1 along the width direction of the frame 1, and one end of the beam 4 is fixed to one side of the frame 1, and the other end is fixed to the other side of the frame 1.

[0037] In this embodiment, there are two cross beams 4 .

[0038] The bottom of the hook 2 is welded to the middle position of the top of the frame 1; Figure 2 As shown, a limiting spring piece 6 is provided in the hanging part 5 of the hook 2, and the bottom of the limiting spring piece 6 is welded to the bottom of the inner wall of the hanging part 5; a bolt 7 is provided on the side wall of the hanging part 5, and the bolt 7 is threadedly connected to the side wall of the hanging part 5, passes through the side wall of the hanging part 5, and contacts with the limiting spring piece 6.

[0039] With such arrangement, when the frame 1 is hung on the external copper busbar through the hook 5, the bolt 7 is screwed so that the bolt 7 abuts against the limiting spring piece 6 and is close to the copper busbar, thereby firmly hanging the frame 1 on the copper busbar.

[0040] Furthermore, if Figure 2 As shown, in this embodiment, a fastening nut 8 is sleeved on the bolt 7. After the bolt 7 is tightened to make the limiting spring piece 6 close to the copper bar, the fastening bolt 8 is tightened to effectively prevent the bolt 7 from loosening.

[0041] Furthermore, if Figure 2 As shown, in this embodiment, a handle 9 is fixed to the head of the bolt 7 to facilitate the tightening of the bolt 7.

[0042] like Figure 3 and Figure 4 As shown, several of the fixing modules are evenly distributed on both sides of the beam 4; the fixing module includes a U-shaped support frame 10 and three limit bars 11; the U-shaped support frame 10 is vertically welded on the side wall of the beam 4, and the opening of the U-shaped support frame 10 faces downward; a V-shaped bayonet 12 is provided at the outer end of the limit bar 11, and among the three limit bars 11, any two limit bars are welded to the upper and lower parts of one end of the U-shaped support frame 10 and kept horizontal, and the other limit bar is welded to the middle part of the other end of the U-shaped support frame 10, and the three limit bars 11 are all located on the same side of the U-shaped support frame 10.

[0043] In this embodiment, if Figure 5 As shown, three limiting spring columns 12 are provided on the other side of the U-shaped support frame 10. Among the three limiting spring columns 12, any two limiting spring columns are fixed at the upper and lower parts of one end of the U-shaped support frame 10 and kept horizontal, and the other limiting spring column is fixed at the middle part of one end of the U-shaped support frame 10 and kept horizontal. With such arrangement, some aviation aluminum alloy plates only need to be blocked with a chemical film on their surface, so they only need to be immersed in chemical reagents. Through the cooperation of the three limiting spring columns 12, the aluminum alloy plate to be coated with the chemical film can be clamped and immersed in the chemical reagent.

[0044] Furthermore, in this embodiment, the surface of the limit spring 12 is provided with an external thread (not shown in the figure) to increase the roughness of the surface, fix the aluminum alloy plate more firmly, and facilitate the removal of the aluminum alloy plate from the hanger after the chemical film is formed.

[0045] In this embodiment, if Figure 5 As shown, a cross bar 13 is provided on the outer wall of the hook 2 to facilitate the staff to lift the hanger.

[0046] In this embodiment, if Figure 5 As shown, reinforcing rods 14 are fixed at both ends of the top of the frame 1, one end of the reinforcing rod 14 is fixed to the top of the frame 1, and the other end of the reinforcing rod 14 is fixed to one side of the hook 2; such an arrangement makes the connection between the hook 2 and the frame 1 more secure.

[0047] When fixing the aluminum alloy plate, Figure 6 As shown, each aluminum alloy plate 15 is clamped on the three limit bars 11 on the U-shaped support frame 10 through the V-shaped bayonet 12 on the U-shaped support frame 10, and then the hanger is hung on the external copper busbar through the hook 2, and the bolt 7 is tightened so that the bolt 7 is against the limit spring piece 6 and close to the copper busbar, so that the frame 1 is firmly hung on the copper busbar, and the aluminum alloy plate on the hanger is immersed in the anodizing solution, and the anodizing treatment can be carried out by turning on the power. The above-mentioned hanger firmly fixes the aluminum alloy plate, and the aluminum alloy plate is not easy to slide, thereby ensuring the effect of the anodizing treatment.

[0048] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A hanger for anodizing and electroplating of aluminum alloy plates, characterized in that: It includes a frame, a hook and several fixing modules; Support plates are symmetrically arranged at both ends of the bottom of the frame; At least two crossbeams are arranged in the frame along the width direction of the frame, one end of the crossbeam is fixed to one side of the frame, and the other end is fixed to the other side of the frame; The bottom of the hook is welded to the middle position of the top of the frame; A limiting spring piece is provided in the hanging part of the hook, and the bottom of the limiting spring piece is welded to the bottom of the inner wall of the hanging part; A bolt is provided on the side wall of the hanging part, the bolt is threadedly connected to the side wall of the hanging part, passes through the side wall of the hanging part, and contacts with the limiting spring sheet; A plurality of the fixing modules are evenly distributed on both sides of the crossbeam; The fixing module includes a U-shaped support frame and three limit bars; The U-shaped support frame is vertically welded to the side wall of the crossbeam, and the opening of the U-shaped support frame faces downward; A V-shaped bayonet is provided at the outer end of the limit strip. Among the three limit strips, any two limit strips are welded to the upper and lower parts of one end of the U-shaped support frame and remain horizontal. Another limit strip is welded to the middle part of the other end of the U-shaped support frame. The three limit strips are all located on the same side of the U-shaped support frame.

2. The hanger for anodizing and electroplating of aluminum alloy plates according to claim 1, characterized in that: The number of the cross beams is two.

3. The hanger for anodizing and electroplating of aluminum alloy plates according to claim 1, characterized in that: A fastening nut is sleeved on the bolt.

4. The hanger for anodizing and electroplating of aluminum alloy plates according to claim 3, characterized in that: A handle is fixed to the head of the bolt.

5. The hanger for anodizing and electroplating of aluminum alloy plates according to claim 1, characterized in that: Three limiting spring columns are provided on the other side of the U-shaped support frame. Among the three limiting spring columns, any two limiting spring columns are fixed to the upper and lower parts of one end of the U-shaped support frame and remain horizontal, and the other limiting spring column is fixed to the middle part of one end of the U-shaped support frame and remains horizontal.

6. The hanger for anodizing and electroplating of aluminum alloy plates according to claim 5, characterized in that: The surface of the limiting elastic column is provided with an external thread.

7. The hanger for anodizing and electroplating of aluminum alloy plates according to claim 1, characterized in that: A cross bar is arranged on the outer wall of the hook.

8. The hanger for anodizing and electroplating of aluminum alloy plates according to claim 1, characterized in that: Both ends of the top of the frame are fixed with reinforcement rods, one end of the reinforcement rod is fixed to the top of the frame, and the other end of the reinforcement rod is fixed to one side of the hook.

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