Anodizing cathode plate clamping device and anodizing equipment

Abstract

The utility model belongs to the technical field of surface treatment, and discloses an anodizing cathode plate clamping device and anodizing equipment. The anodizing cathode plate clamping device is used for being connected with a conductive copper bar and comprises a conductive hook, a fixing piece and an eccentric cam. The conductive hook can be hung on a conductive copper bar, the fixing piece is connected to the conductive hook, and the eccentric cam is rotationally connected to the fixing piece. The eccentric cam is located on one side of the conductive hook and can rotate to a locking state and an unlocking state. When the eccentric cam rotates to the locking state, the eccentric cam abuts against the conductive hook, so that the side wall of the conductive hook abuts against the conductive copper bar, it can be guaranteed that the conductive hook and the conductive copper bar are tightly matched and make good contact, fluctuation of current in the anodic oxidation technological process is avoided, and oxide generated between the conductive hook and the conductive copper bar is reduced; and when the eccentric cam rotates to an unlocking state, the eccentric cam is separated from the conductive hook, so that the conductive hook is detached, and the conductive hook and the conductive copper bar are polished and cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to surface treatment technical field especially relates to a kind of anodizing cathode plate clamping device and anodizing equipment. BACKGROUND

[0002] Anodizing process is widely used in aerospace field, for making metal surface form oxide film layer, so as to change the physical properties and chemical properties of metal material surface, can make metal play the role of insulation, wear resistance, corrosion resistance and multiple effects, it is a kind of historical long life, and has new life force process technology.

[0003] In prior art, anodizing process equipment will use lead plate as anode, fixed on conductive copper bar by conductive hook or fixing part, due to the humid environment, anodizing tank liquid volatilization will make the connecting place of conductive hook and conductive copper bar produce oxide, and these oxides will cause resistance to increase, thereby affecting current. For anodizing process with current fluctuation requirement, such as phosphoric acid anodizing requires current fluctuation <3% per second, will cause parts rework or scrap, so it is usually necessary to polish and clean and maintain cathode lead plate, cathode conductive hook and conductive copper bar.

[0004] In order to ensure that conductive hook and conductive copper bar contact well, fastener is also used to make conductive hook and conductive copper bar fit tightly. With the increase of use time, always polishing oxide layer will cause the fit of conductive copper bar and conductive hook to be poor, and oxide is still easy to produce between conductive hook and conductive copper bar, leading to current fluctuation to be large, unable to guarantee the quality of parts. And when polishing and cleaning and maintaining cathode conductive hook and conductive copper bar, fastener needs to be disassembled, which reduces work efficiency. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of anodizing cathode plate clamping device and anodizing equipment, ensure that conductive hook and conductive copper bar fit tightly, contact well, avoid the fluctuation of current in anodic oxidation process, simultaneously reduce the production of oxide between conductive hook and conductive copper bar, and it is convenient to install and disassemble conductive hook.

[0006] To achieve this purpose, the utility model adopts the following technical solutions:

[0007] On the one hand, a kind of anodizing cathode plate clamping device is provided, for connecting conductive copper bar, the anodizing cathode plate clamping device includes:

[0008] Conductive hook, the conductive hook can be hung on the conductive copper bar;

[0009] Fixing part, the fixing part is connected to the conductive hook;

[0010] An eccentric cam is rotationally connected to the fixing member, and is located at one side of the conductive hook. The eccentric cam can be rotated to a locked state and an unlocked state. When the eccentric cam is rotated to the locked state, the eccentric cam abuts against the conductive hook, so that the side wall of the conductive hook abuts against the conductive copper bar. When the eccentric cam is rotated to the unlocked state, the eccentric cam is disengaged from the conductive hook.

[0011] As a preferred solution of the anodized cathode plate clamping device, a first C-shaped groove for hanging the conductive copper bar is arranged at the top of the conductive hook. The fixing member and the eccentric cam enclose a second C-shaped groove, which is arranged at the side of the first C-shaped groove away from the conductive copper bar.

[0012] As a preferred solution of the anodized cathode plate clamping device, the anodized cathode plate clamping device further comprises a rotating shaft. A rotating hole extending in the vertical direction is arranged at the side of the fixing member close to the eccentric cam. The rotating shaft is rotationally connected to the rotating hole. The eccentric cam is connected to the bottom end of the rotating shaft and rotates synchronously with the rotating shaft.

[0013] As a preferred solution of the anodized cathode plate clamping device, the anodized cathode plate clamping device further comprises a rotating handle. The end of the rotating shaft away from the eccentric cam extends out of the rotating hole and is connected to the rotating handle.

[0014] As a preferred solution of the anodized cathode plate clamping device, the eccentric cam is welded to the rotating shaft.

[0015] As a preferred solution of the anodized cathode plate clamping device, the side of the conductive hook away from the eccentric cam and the fixing member are detachably connected.

[0016] As a preferred solution of the anodized cathode plate clamping device, the anodized cathode plate clamping device further comprises a screw. A through hole is arranged at the side of the conductive hook away from the eccentric cam. The fixing member is provided with a threaded hole corresponding to the through hole. The screw is arranged in the through hole and is threadedly connected to the threaded hole.

[0017] As a preferred solution of the anodized cathode plate clamping device, the anodized cathode plate clamping device further comprises a lifting handle. The lifting handle is U-shaped. The two ends of the lifting handle are respectively hinged to the two sides of the fixing member in the width direction.

[0018] As a preferred solution of the anodized cathode plate clamping device, the anodized cathode plate clamping device further comprises a cathode plate. The cathode plate is connected to the bottom end of the conductive hook.

[0019] In another aspect, the application provides an anodizing device, comprising a processing tank containing electrolyte, a conductive copper bar arranged above the processing tank, and a plurality of the above-mentioned anodizing cathode plate clamping devices, wherein the plurality of conductive hooks are arranged at intervals and hung on the conductive copper bar.

[0020] The application has the following beneficial effects:

[0021] The utility model provides a kind of anodizing cathode plate clamping device and anodizing equipment. Anodizing cathode plate clamping device is used to connect conductive copper bar, it includes conductive hook, fixed part and eccentric cam. Conductive hook can be hung on conductive copper bar, fixed part is connected to conductive hook, eccentric cam is rotationally connected to fixed part. Eccentric cam is located at one side of conductive hook, eccentric cam can be rotated to locking state and unlocking state. When eccentric cam is rotated to locking state, eccentric cam is locked to conductive hook, so that the side wall of conductive hook is locked to conductive copper bar, can guarantee that conductive hook and conductive copper bar are closely matched, contact well, avoid the fluctuation of current in anodic oxidation process, improve the quality of part, and reduce the generation of oxide between conductive hook and conductive copper bar, shorten the maintenance cycle of conductive hook and conductive copper bar;When eccentric cam is rotated to unlocking state by reversing eccentric cam, eccentric cam is separated from conductive hook, so as to disassemble conductive hook, to polish, clean and maintain conductive hook and conductive copper bar. By rotating eccentric cam, the locking and unlocking of conductive hook and conductive copper bar can be realized, the installation and disassembly of conductive hook are facilitated, and the work efficiency is improved. Furthermore, polished conductive hook and conductive copper bar can still be kept closely matched by eccentric cam, avoid the fluctuation of current in anodic oxidation process, improve the quality of part. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the partial side view of the anodizing cathode plate clamping device provided by the utility model embodiment;

[0023] Figure 2 It is the front view of the anodizing device provided by the utility model embodiment;

[0024] Figure 3 It is the side view of the anodizing device provided by the utility model embodiment.

[0025] In the drawing:

[0026] 1, conductive hook;2, fixed part;21, first positioning part;22, second positioning part;3, eccentric cam;4, rotating shaft;41, positioning flange;5, hoisting handle;6, conductive copper bar;7, cathode plate;8, electrolyte;9, processing tank;10, rotating handle. DETAILED DESCRIPTION

[0027] The utility model will be further explained in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the utility model, and not to limit the utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the utility model is shown in the drawings, not all structures.

[0028] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] In the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "below" the second feature, which can include direct contact between the first and second features, or indirect contact between the first and second features through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0030] In the description of the embodiment, the terms "up", "down", "right", etc. Orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for the convenience of description and simplification of operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0031] As Figure 1As shown, the embodiment provides an anodizing cathode plate clamping device for connecting the conductive copper bar 6, which comprises a conductive hook 1, a fixing part 2 and an eccentric cam 3. Specifically, the conductive hook 1 can be hung on the conductive copper bar 6, the fixing part 2 is connected to the conductive hook 1, and the eccentric cam 3 is rotationally connected to the fixing part 2. The eccentric cam 3 is located on one side of the conductive hook 1, and the eccentric cam 3 can be rotated to a locked state and an unlocked state. When the eccentric cam 3 is rotated to the locked state, the eccentric cam 3 abuts against the conductive hook 1, so that the side wall of the conductive hook 1 abuts against the conductive copper bar 6, which can ensure that the conductive hook 1 and the conductive copper bar 6 are in close contact and good contact, avoid the fluctuation of current in the anodizing process, improve the quality of the parts, and reduce the generation of oxides between the conductive hook 1 and the conductive copper bar 6, shorten the maintenance period of the conductive hook 1 and the conductive copper bar 6; when the eccentric cam 3 is rotated to the unlocked state, the eccentric cam 3 is separated from the conductive hook 1, so that the conductive hook 1 is disassembled, and the conductive hook 1 and the conductive copper bar 6 are polished, cleaned and maintained.

[0032] By rotating the eccentric cam 3, the locking and unlocking of the conductive hook 1 and the conductive copper bar 6 can be realized, which facilitates the installation and disassembly of the conductive hook 1 and improves the work efficiency. Moreover, the conductive hook 1 and the conductive copper bar 6 after polishing can still be kept in close contact by the eccentric cam 3, which avoids the fluctuation of current in the anodizing process and improves the quality of the parts.

[0033] Alternatively, the top of the conductive hook 1 is provided with a first C-shaped groove for hanging the conductive copper bar 6, so that the conductive hook 1 can be hung on the conductive copper bar 6, and the contact area between the conductive hook 1 and the conductive copper bar 6 is larger, which improves the stability of the connection between the conductive hook 1 and the conductive copper bar 6. The fixing part 2 and the eccentric cam 3 form a second C-shaped groove, which is arranged on the side of the first C-shaped groove away from the conductive copper bar 6, so that the fixing part 2 is completely attached to the conductive hook 1, which improves the stability of the connection between the fixing part 2 and the conductive hook 1.

[0034] Specifically, the fixing part 2 is in L-shaped structure, comprising a first positioning part 21 and a second positioning part 22 connected perpendicularly, the first positioning part 21 is attached to the upper side of the conductive hook 1, the second positioning part 22 is connected to the first end of the first positioning part 21 and attached to the conductive hook 1, and the eccentric cam 3 is arranged at the second end of the first positioning part 21. When the eccentric cam 3 is rotated to the locked state, the eccentric cam 3 and the second positioning part 22 can abut against both sides of the conductive hook 1, so that the conductive hook 1 is attached to the conductive copper bar 6.

[0035] Alternatively, the anodizing cathode plate clamping device further comprises a rotating shaft 4, the side of the fixing part 2 close to the eccentric cam 3 is provided with a rotating hole extending in the vertical direction, the rotating shaft 4 is rotationally connected to the rotating hole, and the eccentric cam 3 is connected to the bottom end of the rotating shaft 4 and rotates synchronously with the rotating shaft 4.

[0036] Specifically, the adapter hole is located at the second end of the first positioning part 21. The rotating shaft 4 passes through the adapter hole and is clearance-fitted with the adapter hole so that the rotating shaft 4 can rotate relative to the adapter hole. A positioning flange 41 is provided at the end of the rotating shaft 4 away from the eccentric cam 3. The positioning flange 41 can overlap the end face of the adapter hole to prevent the rotating shaft 4 from falling off.

[0037] In another embodiment, the second end of the first positioning part 21 is connected to a third positioning part extending vertically, which is attached to the side of the conductive hook 1 away from the second positioning part 22. The third positioning part is a square ring structure, and both the top and bottom ends of the third positioning part are provided with mounting through holes corresponding to the adapter hole. The rotating shaft 4 passes through the adapter hole and the two mounting through holes in sequence. By setting the third positioning part, the stability of the connection between the rotating shaft 4 and the fixing member 2 can be further enhanced. The middle of the square ring structure forms a mounting space for accommodating the eccentric cam 3. The eccentric cam 3 is connected to the rotating shaft 4 and is located between the top and bottom ends of the third positioning part. The bottom end of the eccentric cam 3 abuts against the bottom end of the third positioning part to prevent the rotating shaft 4 from falling off.

[0038] Optionally, the eccentric cam 3 is welded to the rotating shaft 4 to improve the stability of the connection between the eccentric cam 3 and the rotating shaft 4. In other embodiments, the eccentric cam 3 and the rotating shaft 4 can also be connected by threads or integrally formed.

[0039] Optionally, the anodizing cathode plate clamping device also includes a rotating handle 10. One end of the rotating shaft 4 away from the eccentric cam 3 extends out of the adapter hole and is connected to the rotating handle 10. The rotating handle 10 drives the rotating shaft 4 to rotate, which is convenient for operation.

[0040] Specifically, the handle 10 is welded to the shaft 4. In other embodiments, the handle 10 and the shaft 4 can also be connected by screws.

[0041] Optionally, the side of the conductive hook 1 facing away from the eccentric cam 3 and the fixing member 2 are detachably connected, facilitating the installation and disassembly of the anodizing cathode plate clamping device and simplifying maintenance. In this embodiment, the side of the conductive hook 1 facing away from the eccentric cam 3 is detachably connected to the second positioning part 22.

[0042] Alternatively, the anodized cathode plate clamping device further includes a screw, a through hole is provided on the side of the conductive hook 1 facing away from the eccentric cam 3, a threaded hole is provided on the fixing member 2 corresponding to the through hole, and the screw passes through the through hole and is threaded into the threaded hole.

[0043] Specifically, three conductive hooks 1, three fixing parts 2, and three screws are arranged vertically at intervals, and the conductive hooks 1, three fixing parts 2, and three screws correspond one to one. The connection strength between the conductive hooks 1 and the fixing parts 2 can be improved by fixing them with three screws.

[0044] Optionally, the anodizing cathode plate clamping device further comprises a lifting handle 5, the lifting handle 5 is U-shaped, and the two ends of the lifting handle 5 are respectively hinged to the two sides of the fixed part 2 along the width direction. Only by connecting the hook of the anodizing crane with the lifting handle 5, the anodizing cathode plate clamping device can be lifted, the lifting mode is simple, the anodizing cathode plate clamping device is convenient to lift, and the operation mode is safer. Specifically, the lifting handle 5 is installed at the first end of the first positioning part 21.

[0045] Optionally, the anodizing cathode plate clamping device further comprises a cathode plate 7, the cathode plate 7 is connected to the bottom end of the conductive hook 1, and the cathode plate 7 can perform an anodizing reaction.

[0046] Specifically, the cathode plate 7 is long strip-shaped. The bottom end of the conductive hook 1 is spaced apart in the vertical direction and provided with three first positioning holes, and the end of the cathode plate 7 close to the conductive hook 1 is provided with a second positioning hole corresponding to the first positioning hole, and the bolt is sequentially arranged in the first positioning hole and the second positioning hole and is threadedly connected with the nut. The end of the cathode plate 7 away from the conductive hook 1 extends downward in the vertical direction.

[0047] As shown in Figure 2 and Figure 3 , the embodiment also provides an anodizing equipment, which comprises a treatment tank 9 containing an electrolyte 8, a conductive copper bar 6 and a plurality of the above-mentioned anodizing cathode plate clamping devices. The conductive copper bar 6 is arranged above the treatment tank 9, and a plurality of conductive hooks 1 are arranged at intervals and hung on the conductive copper bar 6.

[0048] Specifically, the conductive copper bar 6 is long strip-shaped. The conductive hook 1 is arranged at intervals along the extension direction of the conductive copper bar 6 and hung on the conductive copper bar 6. The end of the cathode plate 7 away from the conductive hook 1 extends into the electrolyte 8, so that the cathode plate 7 can perform an anodizing reaction. The number of the anodizing cathode plate clamping devices is determined according to specific conditions, and the embodiment does not limit this.

[0049] As shown in Figures 1-3 , when the conductive hook 1 is disassembled and maintained:

[0050] First step: rotate the rotating handle 10, rotate the eccentric cam 3 to the unlocked state, and the eccentric cam 3 is disengaged from the conductive hook 1;

[0051] Second step: connect the hook of the anodizing crane with the lifting handle 5, and lift the anodizing cathode plate clamping device to a certain height by the anodizing crane;

[0052] Third step: maintain the cathode plate 7 and the conductive hook 1, clean the surface of the cathode plate 7 with a steel brush, and wash the surface of the cathode plate 7 with a water gun. At the same time, polish the connection between the conductive hook 1 and the conductive copper bar 6 using a polishing pad, clean and dry the polishing part, and complete the whole maintenance process.

[0053] Fourth step: reset the anodization cathode plate clamping device through the anodization traveling crane;

[0054] Fifth step: rotate the rotating handle 10, and rotate the eccentric cam 3 to the locking state, so that the eccentric cam 3 abuts against the conductive hook 1, and the side wall of the conductive hook 1 abuts against the conductive copper bar 6.

[0055] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. For those skilled in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present application. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent substitution and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. An anodized cathode plate clamping device for connecting electrically conductive copper bars (6), characterized in that, The anodizing cathode plate clamping device comprises: a conductive hook (1) capable of being hung on the conductive copper bar (6); a fixing piece (2) connected to the conductive hook (1); an eccentric cam (3) rotationally connected to the fixing piece (2), located on one side of the conductive hook (1), capable of rotating to a locked state and an unlocked state, abutting against the conductive hook (1) when rotating to the locked state, so that the side wall of the conductive hook (1) abuts against the conductive copper bar (6), and being separated from the conductive hook (1) when rotating to the unlocked state.

2. The anodizing cathode plate clamping device according to claim 1, characterized in that, A first C-shaped groove for hanging the conductive copper bar (6) is arranged on the top of the conductive hook (1), and the fixing piece (2) and the eccentric cam (3) enclose a second C-shaped groove which is arranged on the side of the first C-shaped groove away from the conductive copper bar (6).

3. The anodizing cathode plate clamping device according to claim 2, characterized in that, The anodizing cathode plate clamping device further comprises a rotating shaft (4), and the side of the fixing piece (2) close to the eccentric cam (3) is provided with a rotating hole extending in the vertical direction, the rotating shaft (4) is rotationally connected to the rotating hole, and the eccentric cam (3) is connected to the bottom end of the rotating shaft (4) and rotates synchronously with the rotating shaft (4).

4. The anodizing cathode plate clamping device according to claim 3, characterized in that, The anodizing cathode plate clamping device further comprises a rotating handle (10), and the end of the rotating shaft (4) away from the eccentric cam (3) extends out of the rotating hole and is connected to the rotating handle (10).

5. The anodizing cathode plate clamping device according to claim 3, characterized in that, The eccentric cam (3) is welded to the rotating shaft (4).

6. The anodizing cathode plate clamping device according to claim 2, wherein The side of the conductive hook (1) away from the eccentric cam (3) and the fixing piece (2) are detachably connected.

7. The anodizing cathode plate clamping device according to claim 6, characterized in that, The anodizing cathode plate clamping device further comprises a screw, the side of the conductive hook (1) away from the eccentric cam (3) is provided with a through hole, the fixing piece (2) is provided with a threaded hole corresponding to the through hole, and the screw is arranged in the through hole and is threadedly connected to the threaded hole.

8. The anodizing cathode plate clamping device according to claim 2, characterized in that, The anodizing cathode plate clamping device further comprises a lifting handle (5), which is U-shaped, and the two ends of the lifting handle (5) are respectively hinged to the two sides of the fixing piece (2) in the width direction.

9. Anodizing cathode plate clamping device according to any of claims 1-8, characterized in that The anodizing cathode plate clamping device further comprises a cathode plate (7) connected to the bottom end of the conductive hook (1).

10. An anodizing apparatus characterized by comprising: A treatment tank (9) containing an electrolyte (8), a conductive copper bar (6) and a plurality of anodizing cathode plate clamping devices according to any one of claims 1-9 are provided, the conductive copper bar (6) is arranged above the treatment tank (9), and a plurality of conductive hooks (1) are arranged at intervals and hung on the conductive copper bar (6).

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