Electroplated part surface passivation device
By designing the control components and spraying mechanism of the passivation device, the problem of passivation liquid residue was solved, achieving uniform passivation of workpieces and reducing waste, thereby improving processing efficiency and product quality.
Patent Information
- Application Number
- CN202520555444.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-27
AI Technical Summary
In existing electroplating passivation devices, passivation solution is easily left behind when the placement cylinder is removed, resulting in waste.
A passivation device for electroplated parts, comprising a passivation box, a control component, a receiving component, and a spraying mechanism, was designed. The passivation of the workpiece and the spraying of the passivation liquid are achieved by lowering, lifting, and rotating the control component. Combined with the spraying mechanism, the uniformity of the passivation liquid is ensured and waste is reduced.
This achieves uniform passivation of the workpiece, reduces waste of passivation fluid, and improves processing efficiency and product aesthetics.
Smart Images
Figure CN223879868U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of passivation, in particular to a surface passivation device for electroplated parts. BACKGROUND
[0002] Passivation refers to the process of oxidizing the surface of a metal by a strong oxidizing agent or an electrochemical method to make it passive, i.e., the process of converting the surface of the metal into a state that is not easily oxidized, thereby slowing down the corrosion rate of the metal.
[0003] At present, in the related technology, a patent with the authorization announcement number CN206308419U discloses an electroplating passivation device, which comprises a guide rail, a driving device, a connecting device, a passivation product placing cylinder and a passivation tank. A passivation liquid delivery pipe is arranged in the passivation tank. The guide rail is arranged horizontally. The connecting device is provided with a jaw. The passivation product placing cylinder is located directly above the passivation tank. The passivation product placing cylinder is driven to descend and sink into the passivation tank by the driving device. A passivation liquid limiting guide device for making the passivation liquid flow upward is arranged at the middle position of the bottom surface of the passivation tank. The passivation liquid limiting guide device comprises a guide cylinder, which is arranged vertically. The height of the upper end surface of the guide cylinder is lower than that of the upper end surface of the passivation tank. The lower end of the guide cylinder is fixedly or detachably connected with the bottom surface of the passivation tank.
[0004] However, the above-mentioned technology can make the passivation of each surface of the product uniform and the processing efficiency high, but when the placing cylinder is taken out, a large amount of passivation liquid will remain on the placing cylinder and the material, thereby causing the waste of the passivation liquid. Content of the utility model
[0005] In order to improve the problems existing in the above-mentioned technology, the present application provides a surface passivation device for electroplated parts.
[0006] The present application provides a surface passivation device for electroplated parts, which adopts the following technical scheme:
[0007] A surface passivation device for electroplated parts comprises a passivation box arranged on a workbench. A support frame is arranged on the workbench, and a passivation mechanism is arranged on the support frame. The passivation mechanism comprises a control assembly and a receiving assembly. The control assembly is arranged on the support frame, and the receiving assembly is arranged on the control assembly.
[0008] By adopting the above-mentioned technical scheme, when passivation is performed, the workpiece is placed on the receiving assembly. Then, the control assembly is started to lower the receiving assembly until the workpiece is immersed in the passivation liquid, thereby achieving the effect of passivating the workpiece. After passivation is completed, the control assembly is started again to lift the receiving assembly. Finally, the control assembly is used again to drive the receiving assembly to rotate, thereby causing the passivation liquid on the workpiece to fall into the passivation box.
[0009] Optionally, the control assembly comprises a mounting plate, a rotating disc, an electric cylinder and a driving motor, a through hole is formed in the support frame, the rotating disc is rotatably installed in the through hole, the driving motor is installed on the support frame, and the output shaft of the driving motor is coaxially fixed with the rotating disc, the electric cylinder is installed on the rotating disc, and the output shaft of the electric cylinder is fixed with the mounting plate, and the receiving assembly is arranged on the mounting plate.
[0010] By adopting the above technical scheme, when passivation is performed, the workpiece is placed on the receiving assembly, then the electric cylinder is started to lower the receiving assembly until the workpiece is immersed in the passivation liquid, so as to achieve the effect of passivating the workpiece, after passivation is completed, the electric cylinder is started again to lift the receiving assembly, and finally the driving motor is started to drive the rotating disc to rotate, so as to shake off the passivation liquid on the workpiece into the passivation tank.
[0011] Optionally, the receiving assembly comprises a mesh tube, a clamping plate and an electric push rod, a clamping hole is formed in the mesh tube, the clamping plate is arranged in the clamping hole, and the output shaft of the electric push rod is fixedly connected with the clamping plate.
[0012] By adopting the above technical scheme, when passivation is performed, the workpiece is placed in the mesh tube, then the electric cylinder is started to lower the mesh tube until the workpiece is immersed in the passivation liquid, so as to achieve the effect of passivating the workpiece.
[0013] Optionally, a spraying mechanism is arranged between the mesh tube and the passivation tank, the spraying mechanism comprises a pumping assembly, a limiting assembly and a spraying assembly, the pumping assembly is arranged between the passivation tank and the clamping plate, the spraying assembly is arranged on the clamping plate, and the limiting assembly is arranged between the clamping plate and the mesh tube.
[0014] By adopting the above technical scheme, if the height of the workpiece is high, the spraying mechanism can be used to spray the passivation liquid on the top of the workpiece, so as to ensure that every part of the workpiece can contact the passivation liquid.
[0015] Optionally, the pumping assembly comprises a spraying tank, a liquid pumping pump, a liquid pumping pipe and a conveying hose, the spraying tank and the liquid pumping pump are installed on the mounting plate, one end of the liquid pumping pipe is in communication with the passivation tank, and the other end of the liquid pumping pipe is connected with the liquid pumping pump, a through hole is formed in the clamping plate, one end of the conveying hose is connected with the liquid pumping pump, and the other end of the conveying hose penetrates through the mounting plate and is in communication with the through hole.
[0016] By adopting the technical scheme, the liquid pumping pump is started, and the passivation liquid in the spraying box flows through the liquid pumping pipe, the conveying hose and the liquid passage in sequence, and finally flows to the spraying assembly, and is finally sprayed out by the spraying assembly.
[0017] Optionally, the spraying assembly comprises a spraying pipe and a spray head, one end of the spraying pipe is communicated with the liquid passage, and the other end is connected with the spray head.
[0018] By adopting the technical scheme, the electric push rod is started to push the clamping plate until the spraying pipe extends into the mesh cylinder, then the liquid pumping pump is started, and the passivation liquid in the spraying box flows through the liquid pumping pipe, the conveying hose and the liquid passage in sequence, and finally is pumped into the spraying pipe, and is sprayed out by the spray head to the workpiece, so as to ensure the uniformity of passivation of the workpiece.
[0019] Optionally, the limiting assembly comprises a limiting block and a limiting spring, a limiting groove is formed in the inner wall of the clamping hole, the limiting block is slidingly arranged in the limiting groove and is fixedly connected with the clamping plate, and the limiting spring is fixed between the limiting block and the inner wall of the limiting groove.
[0020] By adopting the technical scheme, the limiting block can limit the clamping plate, that is, the clamping plate is not easy to slide out of the clamping hole, so as to improve the stability of supporting the mesh cylinder.
[0021] Optionally, a lifting groove is formed in the passivation box, a surrounding baffle is arranged in the lifting groove, and a connecting rod is fixedly arranged between the mounting plate and the surrounding baffle.
[0022] By adopting the technical scheme, during the lifting of the mounting plate, the mounting plate can drive the surrounding baffle to lift together, so as to increase the height of the top end of the passivation box, so that the passivation liquid on the workpiece is not easy to be thrown out of the passivation box, so as to avoid waste of the passivation liquid.
[0023] In summary, the present application has at least one of the following beneficial effects:
[0024] 1. During passivation, the workpiece is placed on the receiving assembly, then the control assembly is started to lower the receiving assembly until the workpiece is immersed in the passivation liquid, so as to achieve the effect of passivating the workpiece, after passivation is completed, the control assembly is started again to lift the receiving assembly, finally, the control assembly is used again to drive the receiving assembly to rotate, so as to throw the passivation liquid on the workpiece into the passivation box.
[0025] 2. The electric push rod is started to push the clamping plate until the spraying pipe extends into the mesh cylinder, then the liquid pumping pump is started, and the passivation liquid in the spraying box flows through the liquid pumping pipe, the conveying hose and the liquid passage in sequence, and finally is pumped into the spraying pipe, and is sprayed out by the spray head to the workpiece, so as to ensure the uniformity of passivation of the workpiece.
[0026] 3. During the installation plate ascending process, the installation plate can drive the surrounding baffle to ascend together, so as to increase the top end height of the passivation box, so that the passivation liquid on the workpiece is not easy to shake out of the passivation box, so as to avoid waste of the passivation liquid. BRIEF DESCRIPTION OF DRAWINGS
[0027] Figure 1 is a structural schematic diagram according to the embodiment of the application;
[0028] Figure 2 is Figure 1 a schematic top view;
[0029] Figure 3 is a schematic sectional view taken along the section line A-A in Figure 2 ;
[0030] Figure 4 is Figure 3 a schematic partial enlarged view of the B part in .
[0031] In the figure: 1, workbench; 11, passivation box; 111, lifting groove; 1111, surrounding baffle; 12, support frame; 121, accommodation hole; 2, control assembly; 21, installation plate; 211, connecting rod; 22, rotating disc; 23, electric cylinder; 24, driving motor; 3, receiving assembly; 31, mesh tube; 311, clamping hole; 312, limiting groove; 32, clamping plate; 321, liquid passage hole; 33, electric push rod; 4, pumping assembly; 41, spraying box; 42, liquid pumping pump; 43, liquid pumping pipe; 44, conveying hose; 5, spraying assembly; 51, spraying pipe; 52, spray head; 6, limiting assembly; 61, limiting block; 62, limiting spring. DETAILED DESCRIPTION
[0032] The application provides a surface passivation device for electroplated parts.
[0033] Referring to Figure 1 , a surface passivation device for electroplated parts comprises a passivation box 11 arranged on the top wall of a workbench 1, the passivation box 11 being used for storing passivation liquid, and the top of the passivation box 11 being open. The top wall of the workbench 1 is fixedly provided with a support frame 12, the support frame 12 being in the shape of a 'U'; and the support frame 12 is provided with a passivation mechanism, the passivation mechanism being capable of passivating workpieces; and after passivation, the passivation mechanism is capable of cleaning the passivation liquid on the workpieces, so that the passivation liquid is not easy to remain on the workpieces, so as to avoid affecting the appearance of the workpieces; and waste of the passivation liquid is avoided.
[0034] Referring to Figure 2 , Figure 3 and Figure 4 , the passivation mechanism comprises a control assembly 2 and a receiving assembly 3.
[0035] Referring to Figure 3The control assembly 2 comprises a mounting plate 21, a rotating disc 22, an electric cylinder 23 and a driving motor 24. The top wall of the support frame 12 is provided with a clearance hole 121, and the rotating disc 22 is rotatably installed in the clearance hole 121. The driving motor 24 is fixedly installed on the top wall of the support frame 12, and the output shaft of the driving motor 24 is coaxially fixed with the rotating disc 22.
[0036] Referring to Figure 3 The electric cylinder 23 is installed on the bottom wall of the rotating disc 22, and the output shaft of the electric cylinder 23 is fixedly connected with the mounting plate 21. The receiving assembly 3 is installed on the mounting plate 21, and the workpiece is placed on the receiving assembly 3 during passivation. Then, the electric cylinder 23 is started to lower the receiving assembly 3 until the workpiece is immersed in the passivation liquid, so as to achieve the effect of passivating the workpiece. After passivation is completed, the electric cylinder 23 is started again to lift the receiving assembly 3. Finally, the driving motor 24 is started to drive the rotating disc 22 to rotate, so as to shake off the passivation liquid on the workpiece into the passivation tank 11.
[0037] Referring to Figure 3 and Figure 4 The receiving assembly 3 comprises a mesh tube 31, a clamping plate 32 and an electric push rod 33. In the embodiment, the mesh tube 31 and the clamping plate 32 are both provided with two, one-to-one corresponding and symmetrically arranged along the axis of the mesh tube 31. The side wall of the mesh tube 31 is provided with a clamping hole 311, and the clamping plate 32 is arranged in the clamping hole 311 to support the mesh tube 31. The electric push rod 33 is installed on the mounting plate 21, and the output shaft of the electric push rod 33 is fixedly connected with the clamping plate 32. During passivation, the workpiece is placed in the mesh tube 31. Then, the electric cylinder 23 is started to lower the mesh tube 31 until the workpiece is immersed in the passivation liquid, so as to achieve the effect of passivating the workpiece.
[0038] Referring to Figure 3 and Figure 4 A spraying mechanism is arranged between the mesh tube 31 and the passivation tank 11. If the height of the workpiece is high, the spraying mechanism can be used to spray the passivation liquid on the top of the workpiece, so as to ensure that every part of the workpiece can contact the passivation liquid.
[0039] Referring to Figure 3 and Figure 4 The spraying mechanism comprises a pumping assembly 4, a limiting assembly 6 and a spraying assembly 5.
[0040] Referring to Figure 3 and Figure 4, the pumping assembly 4 comprises a spraying box 41, a liquid pumping pump 42, a liquid pumping pipe 43 and a conveying hose 44, the spraying box 41 and the liquid pumping pump 42 are fixedly installed on the top wall of the mounting plate 21, in the embodiment, the spraying box 41 is provided with a liquid injection pipe in communication, and the spraying box 41 is also used for storing passivation liquid; one end of the liquid pumping pipe 43 is connected with the liquid pumping pump 42, and the other end is in communication with the spraying box 41. The side wall of the clamping plate 32 is provided with a liquid passing hole 321; one end of the conveying hose 44 is connected with the liquid pumping pump 42, and the other end penetrates through the mounting plate 21 and is in communication with the liquid passing hole 321, and in the embodiment, the length of the conveying hose 44 meets the moving distance of the clamping plate 32.
[0041] Referring to Figure 3 and Figure 4 , the spraying assembly 5 comprises a spraying pipe 51 and a spray head 52, the spraying pipe 51 is in the shape of "L", one end of the spraying pipe 51 is in communication with the liquid passing hole 321, and the other end is connected with the spray head 52, the spraying pipe 51 is located on the side of the clamping plate 32 away from the conveying hose 44, during passivation, the electric push rod 33 is started to push the clamping plate 32 until the spraying pipe 51 extends into the mesh cylinder 31; then, the liquid pumping pump 42 is started, the passivation liquid in the spraying box 41 flows through the liquid pumping pipe 43, the conveying hose 44 and the liquid passing hole 321 in turn, so as to be finally pumped into the spraying pipe 51, and sprayed out of the spray head 52 to the workpiece, so as to ensure the uniformity of passivation of the workpiece.
[0042] Referring to Figure 3 and Figure 4 , further, the top wall of the passivation box 11 is provided with a circular lifting groove 111, and the lifting groove 111 is provided with a surrounding baffle 1111 which can move up and down in the vertical direction; the connecting rod 211 is fixed vertically between the mounting plate 21 and the surrounding baffle 1111, during the lifting of the mounting plate 21, the mounting plate 21 can drive the surrounding baffle 1111 to lift together, so as to increase the height of the top end of the passivation box 11, so that the passivation liquid on the workpiece is not easy to be thrown out of the passivation box 11, so as to avoid the waste of passivation liquid.
[0043] Referring to Figure 3 and Figure 4 , the limiting assembly 6 comprises a limiting block 61 and a limiting spring 62, the inner top wall of the clamping hole 311 is provided with a limiting groove 312, the limiting block 61 is slidingly arranged in the limiting groove 312 and slides along the length direction of the limiting groove 312; and the limiting block 61 is fixedly connected with the clamping plate 32, the limiting block 61 can limit the clamping plate 32, that is, the clamping plate 32 is not easy to slide out of the clamping hole 311, so as to improve the stability of supporting the mesh cylinder 31.
[0044] Referring to Figure 3 and Figure 4 Figure 3 Figure 4The limiting spring 62 is fixed between the limiting block 61 and the inner wall of the limiting groove 312 away from the electric push rod 33, and the limiting spring 62 can prevent the meshing cylinder 31 from moving randomly.
[0045] The working principle of the surface passivation device for electroplated parts in use is as follows: during passivation, the electric push rod 33 is started to push the clamping plate 32 until the spraying pipe 51 extends into the meshing cylinder 31; then, the liquid pump 42 is started, and the passivation liquid in the spraying box 41 flows through the liquid pumping pipe 43, the conveying hose 44 and the liquid passage 321 in sequence, so as to be finally pumped into the spraying pipe 51 and sprayed from the spray head 52 to the workpiece, so as to ensure the uniformity of passivation of the workpiece.
[0046] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.
Claims
1. An apparatus for passivating the surface of an electroplated part, characterized in that, The utility model provides a passivation box (11) is arranged on the workbench (1), the workbench (1) is provided with support frame (12), and the support frame (12) is provided with passivation mechanism, and the passivation mechanism includes: control assembly (2) and receiving assembly (3), control assembly (2) is arranged on the support frame (12), and receiving assembly (3) is arranged on control assembly (2). The control assembly (2) includes: mounting plate (21), rotating disc (22), electric cylinder (23) and drive motor (24), the support frame (12) is through the opening of the let -alone hole (121), the rotating disc (22) is rotatably installed in the let -alone hole (121), the drive motor (24) is installed on the support frame (12), and the output shaft of the drive motor (24) is coaxially fixed with the rotating disc (22), the electric cylinder (23) is installed on the rotating disc (22), and the output shaft of the electric cylinder (23) is fixed with the mounting plate (21), and the receiving assembly (3) is arranged on the mounting plate (21).
2. The apparatus for passivating surfaces of electroplated pieces according to claim 1, characterized in that, The receiving assembly (3) includes: net cylinder (31), clamping plate (32) and electric push rod (33), the net cylinder (31) is through the opening of the clamping hole (311), the clamping plate (32) is arranged in the clamping hole (311), the electric push rod (33) is installed on the mounting plate (21), and the output shaft of the electric push rod (33) is fixedly connected with the clamping plate (32).
3. The apparatus for passivating the surface of an electroplated part according to claim 2, wherein, The net cylinder (31) and the passivation box (11) are provided with a spraying mechanism, the spraying mechanism includes: pumping assembly (4), limiting assembly (6) and spraying assembly (5), the pumping assembly (4) is arranged between the passivation box (11) and the clamping plate (32), the spraying assembly (5) is arranged on the clamping plate (32), and the limiting assembly (6) is arranged between the clamping plate (32) and the net cylinder (31).
4. The apparatus for passivating the surface of an electroplated part according to claim 3, wherein The pumping assembly (4) includes: spraying box (41), liquid pump (42), liquid pipe (43) and conveying hose (44), the spraying box (41) and the liquid pump (42) are installed on the mounting plate (21), one end of the liquid pipe (43) is communicated with the passivation box (11), the other end is connected with the liquid pump (42), the clamping plate (32) is through the opening of the liquid hole (321), one end of the conveying hose (44) is connected with the liquid pump (42), the other end penetrates the mounting plate (21) and is communicated with the liquid hole (321).
5. The apparatus for passivating the surface of an electroplated part according to claim 4, wherein The spraying assembly (5) includes: spraying pipe (51) and spray head (52), one end of the spraying pipe (51) is communicated with the liquid hole (321), and the other end is connected with the spray head (52).
6. The apparatus for passivating the surface of an electroplated part according to claim 5, wherein, 7. The apparatus for passivating surfaces of electroplated pieces according to claim 4, wherein The limiting assembly (6) comprises a limiting block (61) and a limiting spring (62), an inner wall of the clamping hole (311) is provided with a limiting groove (312), the limiting block (61) is slidingly arranged in the limiting groove (312) and is fixedly connected with the clamping plate (32), and the limiting spring (62) is fixed between the limiting block (61) and the inner wall of the limiting groove (312).
8. The apparatus for passivating surfaces of electroplated pieces according to claim 2, wherein A lifting groove (111) is formed in the passivation box (11), a surrounding baffle (1111) is arranged in the lifting groove (111), and a connecting rod (211) is fixedly arranged between the mounting plate (21) and the surrounding baffle (1111).
Citation Information
Patent Citations
Electroplate passivating device
CN206308419U