Titanium alloy anodic oxidation pretreatment device

By designing an automated titanium alloy anodizing pretreatment device, the problems of cumbersome workpiece transportation and oxidation after cleaning were solved, efficient cleaning and drying were achieved, and the anodizing effect was improved.

CN223373273UActive Publication Date: 2025-09-23GUANGDE JINHENG METAL PROCESSING CO LTD
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Patent Information

Application Number
CN202422804985.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-26
Publication Date
2025-09-23
Estimated Expiration
2035-08-26

AI Technical Summary

Technical Problem

In the prior art, the workpieces are cumbersome to transport during the anodizing pretreatment of titanium alloys and cannot be dried after cleaning, resulting in poor oxidation effect.

Method used

A titanium alloy anodizing pretreatment device was designed, which included an ultrasonic cleaning tank, an alkaline etching tank, a neutralization tank and a water washing tank. The lifting plate and rotating mechanism driven by a hydraulic cylinder and a motor were used to realize the automatic transfer and cleaning of the workpiece, and the workpiece was dried in combination with an electric heating plate.

Benefits of technology

It realizes the automatic transfer and efficient cleaning of workpieces, avoids the recurrence of oxidation, and improves the anodizing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a titanium alloy anodic oxidation pretreatment device which comprises a pretreatment table, the top of the pretreatment table is provided with an ultrasonic cleaning tank, an alkali etching tank, a neutralizing tank and a rinsing tank which are transversely arranged, the top of the pretreatment table is provided with a lifting plate, and the top of the lifting plate is provided with a water inlet and a water outlet. Vertical hydraulic cylinders are installed on the two sides of the pretreatment table, a transverse moving groove is formed in a lifting plate, a first motor is installed in the lifting plate, a threaded hole in a sliding block is in threaded connection with a lead screw, a connecting column is connected to the bottom of the sliding block, and a rotating column is rotationally connected to the bottom of the connecting column. According to the titanium alloy anodic oxidation pretreatment device, the lead screw, the sliding block, the first motor and the connecting column are arranged, the first motor is used for driving the lead screw to rotate and driving the sliding block to transversely move in the lifting plate, then the connecting column, the rotating column and the containing frame are driven to transversely move, and workpieces in the containing frame are conveniently driven to enter pools at different positions of the top of the pretreatment table.
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Description

Technical Field

[0001] The utility model relates to the technical field of anodizing pretreatment, in particular to an anodizing pretreatment device for titanium alloys. Background Art

[0002] Anodizing is an electrochemical treatment process that involves immersing a metal in an electrolyte, making it an anode, and passing an electric current through it, thereby forming an oxide film on the metal surface. This oxide film has excellent corrosion resistance, wear resistance, insulation, and decorative properties, while also enhancing the material's strength and hardness. Titanium alloys typically require pretreatment before anodizing to provide a clean, uniform surface for the anodizing process, thereby obtaining a high-quality oxide film.

[0003] The utility model patent with announcement number: CN219010497U discloses a pretreatment device for zinc-copper-titanium alloy before anodizing, including a box body, a processing platform is fixedly installed on the upper end of the box body, a water pool is installed on the left side of the upper end of the processing platform, a cleaning faucet is installed on the left side of the upper end of the box body, a water suction faucet is installed on the right side of the upper end of the box body, an ultrasonic cleaning machine is provided on the right side of the water suction faucet, a grinding tank is provided on the right side of the ultrasonic cleaning machine, a grinding assembly is provided in the grinding tank, a sandblasting tank is provided on the right side of the upper end of the box body, and a sandblasting assembly is provided in the sandblasting tank.

[0004] However, there are still certain shortcomings in the above technical solution: when using the above technical solution, the workpiece is manually placed in an ultrasonic cleaning machine, a grinding assembly, and a sandblasting tank for processing. The transportation of the workpiece during the processing is relatively cumbersome, and the surface of the workpiece cannot be dried after cleaning, which makes it easy to re-oxidize, resulting in poor subsequent anodizing effect. Utility Model Content

[0005] The purpose of the utility model is to provide a titanium alloy anodizing pretreatment device to solve the problem that the transportation of workpieces in the existing technology processing process proposed in the above background technology is relatively cumbersome, and the surface of the workpiece cannot be dried after cleaning, which makes it easy to re-oxidize and lead to poor subsequent anodizing effect.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a titanium alloy anodizing pretreatment device, comprising a pretreatment table,

[0007] An ultrasonic cleaning tank, an alkaline etching tank, a neutralization tank and a water washing tank are provided on the top of the pretreatment table, and the ultrasonic cleaning tank, the alkaline etching tank, the neutralization tank and the water washing tank are arranged horizontally. A lifting plate is provided on the top of the pretreatment table, and vertical hydraulic cylinders are installed on both sides of the pretreatment table, and the output shafts of the hydraulic cylinders are connected to the bottom of the lifting plate upward;

[0008] A transverse slot is provided in the lifting plate, and a rotatable screw rod and a transversely movable slider are provided in the transverse slot. A motor 1 is installed in the lifting plate, and the output shaft of the motor 1 is connected to the end of the screw rod. The threaded hole in the slider is threadedly connected to the screw rod. The bottom of the slider is connected to a connecting column, and the bottom of the connecting column is rotatably connected to a rotating column, and the bottom of the rotating column is fixedly connected to a placement frame.

[0009] By adopting the above technical solution, when in use, after the workpiece is placed in the placement frame, the placement frame is driven to enter the processing tank on the pretreatment table by the descent of the hydraulic cylinder, and after processing, the motor can drive the rotation of the screw rod to drive the slider, connecting column, rotating column and placement frame to move horizontally, so that the placement frame can enter the ultrasonic cleaning tank, alkaline etching tank, neutralization tank and water washing tank in sequence for processing.

[0010] As a further solution of the present invention: an ultrasonic transducer is installed below the ultrasonic cleaning tank in the pretreatment table, and openings are respectively opened on the side walls of the ultrasonic cleaning tank, alkaline etching tank, neutralization tank and water washing tank, and the openings are connected to corresponding infusion pipes.

[0011] By adopting the above technical solution, when in use, the liquids in the ultrasonic cleaning tank, alkaline etching tank, neutralization tank and water washing tank are replaced through the openings on the side wall of the pretreatment table.

[0012] As a further solution of the present invention: a C-shaped storage groove is provided on the pretreatment table outside the water washing tank, and an electric heating plate is installed at a position where the bottom of the lifting plate is aligned with the storage groove, and the top of the electric heating plate is connected to the bottom of the lifting plate through a connecting plate.

[0013] By adopting the above technical solution, during use, through the design of the storage slot, when the placement frame drives the workpiece to move downward, the electric heating plate can be inserted into the storage slot without affecting the lifting.

[0014] As a further solution of the present invention: a baffle is installed on the top of the electric heating plate, and a slot matching the rotating column is opened on the side of the baffle close to the placement frame.

[0015] By adopting the above technical solution, when in use, when the connecting column, the rotating column and the placement frame are moved horizontally into the electric heating plate, then moved down for cleaning and then moved up again, the electric heating plate can be started to dry the workpiece in the placement frame.

[0016] As a further solution of the present invention: an acid-base meter is installed in both the alkaline etching tank and the neutralization tank.

[0017] By adopting the above technical solution, during use, the concentration of the solution in the alkaline etching tank and the neutralization tank is detected by the design of the acid-base meter, and the reagent is replaced or added when the pH value does not meet the standard.

[0018] As a further solution of the present invention: a second motor is installed on the side wall of the connecting column, and the output shaft of the second motor is connected to a gear downward, a gear ring is installed on the outer side of the rotating column, and the gear is meshed with the gear ring.

[0019] By adopting the above technical solution, when in use, the gear is driven to rotate by motor 2, and the rotating column at the bottom of the connecting column is driven to rotate by the transmission of the gear ring, so that the placement frame is driven to rotate, which can prevent the workpiece from being stationary during processing, and at the same time, all surfaces of the workpiece can be dried during drying.

[0020] Compared with the prior art, the beneficial effects of the present invention are: the titanium alloy anodizing pretreatment device,

[0021] A screw rod, a slider, a motor 1 and a connecting column are provided. The motor 1 drives the rotation of the screw rod to drive the slider to move horizontally in the lifting plate, thereby driving the connecting column, the rotating column and the placement frame to move horizontally, so as to facilitate driving the workpiece in the placement frame into the pool at different positions on the top of the pretreatment table;

[0022] In addition, the titanium alloy anodizing pretreatment device is also provided with a connecting plate, an electric heating plate and a baffle. The electric heating plate is at the same height as the placement frame. After the placement frame drives the workpiece for the last treatment, it enters the electric heating plate for heating and drying, which is convenient for avoiding water stains. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the cross-sectional structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the three-dimensional structure of the connecting plate, electric heating plate and baffle of the utility model;

[0025] Figure 3 This is a schematic diagram of the three-dimensional structure of the pretreatment table of the utility model.

[0026] In the figure: 1. Pretreatment table; 101. Ultrasonic cleaning tank; 102. Alkali etching tank; 103. Neutralization tank; 104. Water washing tank; 105. Ultrasonic transducer; 106. Storage tank; 2. Hydraulic cylinder; 3. Lifting plate; 4. Screw; 5. Slider; 6. Motor 1; 7. Connecting column; 8. Rotating column; 9. Motor 2; 10. Gear; 11. Gear ring; 12. Placement frame; 13. Connecting plate; 14. Electric heating plate; 15. Baffle; 16. pH meter. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0028] See also Figure 1-3 The utility model provides a technical solution: a titanium alloy anodizing pretreatment device, comprising a pretreatment station 1,

[0029] An ultrasonic cleaning tank 101, an alkaline etching tank 102, a neutralization tank 103, and a water washing tank 104 are provided on the top of the pretreatment table 1, and the ultrasonic cleaning tank 101, the alkaline etching tank 102, the neutralization tank 103, and the water washing tank 104 are arranged horizontally. A lifting plate 3 is provided on the top of the pretreatment table 1, and vertical hydraulic cylinders 2 are installed on both sides of the pretreatment table 1, and the output shaft of the hydraulic cylinder 2 is connected to the bottom of the lifting plate 3 with its output shaft facing upward.

[0030] A transverse slot is provided in the lifting plate 3, and a rotatable screw rod 4 and a transversely movable slider 5 are provided in the transverse slot. A motor 6 is installed in the lifting plate 3, and the output shaft of the motor 6 is connected to the end of the screw rod 4. The threaded hole in the slider 5 is threadedly connected to the screw rod 4. The bottom of the slider 5 is connected to a connecting column 7, and the bottom of the connecting column 7 is rotatably connected to a rotating column 8. The bottom of the rotating column 8 is fixedly connected to a placement frame 12.

[0031] Specifically, a control panel is installed outside the pretreatment station 1 to control the start and stop of each component in the device and record the detection data of the pH meter 16 to facilitate the addition of reagents to the alkaline etching tank 102 and the neutralization tank 103.

[0032] See also Figure 1 Furthermore, an ultrasonic transducer 105 is installed below the ultrasonic cleaning tank 101 in the pretreatment table 1, and openings are respectively opened on the side walls of the ultrasonic cleaning tank 101, the alkaline etching tank 102, the neutralization tank 103 and the water washing tank 104, and the openings are connected to the corresponding infusion pipes.

[0033] See also Figure 1 and Figure 3 Furthermore, a C-shaped receiving groove 106 is provided on the pretreatment table 1 outside the water washing tank 104, and an electric heating plate 14 is installed at a position where the bottom of the lifting plate 3 is aligned with the receiving groove 106, and the top of the electric heating plate 14 is connected to the bottom of the lifting plate 3 through a connecting plate 13.

[0034] See also Figure 2 , further, a baffle 15 is installed on the top of the electric heating plate 14, and a slot matching the rotating column 8 is opened on the side of the baffle 15 close to the placement frame 12;

[0035] Specifically, a heating wire is installed in the electric heating plate 14 , and the shape of the electric heating plate 14 matches the receiving groove 106 .

[0036] See also Figure 1 Furthermore, both the alkaline etching tank 102 and the neutralization tank 103 are equipped with an acid-base meter 16 .

[0037] See also Figure 1 Furthermore, a motor 2 9 is installed on the side wall of the connecting column 7, and the output shaft of the motor 2 9 is connected to a gear 10 downward, and a gear ring 11 is installed on the outer side of the rotating column 8, and the gear 10 is meshed with the gear ring 11.

[0038] Working principle: When using the titanium alloy anodizing pretreatment device, after the workpiece is placed in the placement frame 12, the placement frame 12 is driven to enter the ultrasonic cleaning tank 101 by the descent of the hydraulic cylinder 2 and the ultrasonic transducer 105 is started to realize ultrasonic cleaning of the workpiece, washing away grease and organic impurities such as oil on the surface of the workpiece. After the placement frame 12 is raised, the motor 6 drives the rotation of the screw rod 4, so that the placement frame 12 moves horizontally to the alkaline etching tank 102, and then enters the alkaline etching tank 102 for alkaline etching. After alkaline etching, it enters the neutralization tank 10 3 and finally enter the water washing tank 104 for water washing. After water washing, the electric heating plate 14 is raised together with the placement frame 12, and the electric heating plate 14 starts to dry the workpiece. After drying and the workpiece enters the ultrasonic cleaning tank 101, the alkaline etching tank 102, the neutralization tank 103 and the water washing tank 104, the rotation of the rotating column 8 and the placement frame 12 can be driven by starting the motor 2 9, so that the workpiece rotates slowly, improving the processing and drying effect. The content not described in detail in this specification belongs to the existing technology known to professional and technical personnel in this field.

[0039] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the protection content of the present invention.

[0040] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A titanium alloy anodizing pretreatment device, comprising a pretreatment station (1), characterized in that: An ultrasonic cleaning tank (101), an alkaline etching tank (102), a neutralization tank (103) and a water washing tank (104) are provided on the top of the pretreatment table (1), and the ultrasonic cleaning tank (101), the alkaline etching tank (102), the neutralization tank (103) and the water washing tank (104) are arranged horizontally. A lifting plate (3) is provided on the top of the pretreatment table (1), and vertical hydraulic cylinders (2) are installed on both sides of the pretreatment table (1), and the output shaft of the hydraulic cylinder (2) is connected to the bottom of the lifting plate (3) with its output shaft facing upward; A transverse slot is provided in the lifting plate (3), and a rotatable screw rod (4) and a transversely movable slider (5) are provided in the transverse slot. A motor (6) is installed in the lifting plate (3), and the output shaft of the motor (6) is connected to the end of the screw rod (4). The threaded hole in the slider (5) is threadedly connected to the screw rod (4). The bottom of the slider (5) is connected to a connecting column (7), and the bottom of the connecting column (7) is rotatably connected to a rotating column (8). The bottom of the rotating column (8) is fixedly connected to a placement frame (12).

2. The titanium alloy anodizing pretreatment device according to claim 1, characterized in that: An ultrasonic transducer (105) is installed below the ultrasonic cleaning tank (101) in the pretreatment table (1). The ultrasonic cleaning tank (101), the alkaline etching tank (102), the neutralization tank (103) and the water washing tank (104) are respectively provided with openings on their side walls, and the openings are connected to corresponding infusion pipes.

3. The titanium alloy anodizing pretreatment device according to claim 1, characterized in that: A C-shaped receiving groove (106) is provided on the pretreatment table (1) outside the water washing groove (104), and an electric heating plate (14) is installed at a position where the bottom of the lifting plate (3) is aligned with the receiving groove (106), and the top of the electric heating plate (14) is connected to the bottom of the lifting plate (3) via a connecting plate (13).

4. The titanium alloy anodizing pretreatment device according to claim 3, characterized in that: A baffle (15) is installed on the top of the electric heating plate (14), and a slot matching the rotating column (8) is provided on the side of the baffle (15) close to the placement frame (12).

5. The titanium alloy anodizing pretreatment device according to claim 1, characterized in that: A pH meter (16) is installed in both the alkaline etching tank (102) and the neutralization tank (103).

6. The titanium alloy anodizing pretreatment device according to claim 1, characterized in that: A second motor (9) is mounted on the side wall of the connecting column (7), and the output shaft of the second motor (9) is connected to a gear (10) downwardly. A gear ring (11) is mounted on the outer side of the rotating column (8), and the gear (10) is meshed with the gear ring (11).

Citation Information

Patent Citations

  • Pretreatment device before anodic oxidation of zinc-copper-titanium alloy

    CN219010497U