Nitric acid passivation treatment device
By designing a nitric acid passivation treatment device including an electric telescopic rod and a vibrating motor, the problem of waste of nitric acid passivation liquid when the loading frame is removed is solved, and the liquid recovery and convenient use of the device is achieved.
Patent Information
- Application Number
- CN202422099368.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-28
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-08-28
AI Technical Summary
During the existing nitric acid passivation process, the nitric acid passivation liquid attached when the storing frame and metal parts are removed from the passivation tank are directly washed, resulting in waste of liquid.
A nitric acid passivation treatment device is designed, and the combination of an electric telescopic rod and a vibration motor is used to realize automatic vibration of the storage frame to shake the attached nitric acid passivation liquid into the passivation tank, and the movement and fixation of the storage frame is achieved through the cooperation of the screw and the internal thread slider.
It reduces the waste of nitric acid passivation liquid and improves the convenience and efficiency of the device.
Smart Images

Figure CN223268770U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of nitric acid passivation, in particular to a nitric acid passivation treatment device. Background Art
[0002] Adding nitric acid to the passivation solution can improve the corrosion resistance, mechanical properties and wear resistance of the metal. Nitric acid is a very strong oxidizing acid that can react with the metal surface to form a dense, uniform, corrosion-resistant oxide layer, thereby achieving the purpose of protecting the metal;
[0003] After the metal is passivated with nitric acid, the surface needs to be aligned and rinsed. However, when the holding frame containing a large number of metal parts is removed from the passivation tank and placed in the rinse tank for rinsing, a large amount of nitric acid passivation liquid will adhere to the surface of the holding frame and the metal parts. These adhered nitric acid passivation liquids are directly rinsed, resulting in a waste of nitric acid passivation liquid. In response to the above situation, technical innovation is carried out on the basis of the existing nitric acid passivation treatment device. Utility Model Content
[0004] The purpose of the present invention is to provide a nitric acid passivation treatment device to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a nitric acid passivation treatment device, comprising:
[0006] A processing pool, a passivation pool is opened on the left side of the top of the processing pool, and a cleaning pool is opened on the right side of the top of the processing pool, wherein:
[0007] A guide rail is provided on the top of the processing pool, a screw is provided inside the guide rail, a motor is provided on the left side of the guide rail, the output end of the motor passes through the left side of the guide rail and is connected to the screw, an internal threaded slider is screwed on the outer wall of the screw, and a drive assembly is placed at the bottom of the internal threaded slider.
[0008] Preferably, the driving assembly includes an electric telescopic rod, a first connecting plate is provided at the bottom of the telescopic end of the electric telescopic rod, pull ropes are evenly provided at the bottom of the first connecting plate, a second connecting plate is provided at the bottom of the pull rope, and a vibration motor is provided at the top of the second connecting plate.
[0009] Preferably, the electric telescopic rod is arranged at the bottom of the internal thread slider, and the electric telescopic rod is located below the guide rail.
[0010] Preferably, a holding frame is placed above the passivation tank of the processing tank, and a group of handles are provided on both the left and right sides of the holding frame.
[0011] Preferably, two groups of slots are evenly provided on the front side of the containing frame, and the slots pass through the top of the containing frame. Two groups of docking blocks are evenly provided on the bottom of the second connecting plate, and the docking blocks are inserted into the slots.
[0012] Preferably, a through hole is provided on the right side of the containing frame, and a screw hole is provided on the right side of the right docking block in the two groups of docking blocks, and a bolt is provided in the through hole, and the bolt is screwed into the threaded hole.
[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0014] According to the utility model, after the passivation is completed, the holding frame is driven upwardly by the electric telescopic rod to move out of the passivation tank of the processing tank. At this time, the second connecting plate and the holding frame at the bottom thereof are driven to vibrate by the vibration motor, so that the nitric acid passivation liquid attached to the holding frame and the metal parts held in the holding frame are shaken off into the passivation tank of the processing tank, thereby reducing the waste of the nitric acid passivation liquid.
[0015] Place the metal parts into the holding frame, align the docking block with the slot of the holding frame and insert it, then screw the bolts into the through holes of the holding frame and the threaded holes of the docking block, so that the holding frame can be fixed to the bottom of the second connecting plate. After unscrewing the bolts, the holding frame can be pulled forward by the handle to be removed, thereby ensuring the convenience of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a structural diagram of a nitric acid passivation treatment device of the utility model;
[0017] Figure 2 For this utility model Figure 1 A magnified view of part A;
[0018] Figure 3 This is a front cross-sectional view of a nitric acid passivation treatment device of the present invention.
[0019] In the figure: 1. Processing pool; 11. Guide rail; 12. Motor; 13. Screw; 14. Internally threaded slider; 15. Electric telescopic rod; 16. First connecting plate; 17. Vibration motor; 18. Pull rope; 19. Second connecting plate; 191. Docking block; 192. Bolt; 2. Container frame; 21. Handle. DETAILED DESCRIPTION
[0020] 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.
[0021] See also Figure 1-Figure 3 A nitric acid passivation treatment device includes a processing pool 1, a passivation pool is provided on the left side of the top of the processing pool 1, a cleaning pool is provided on the right side of the top of the processing pool 1, a guide rail 11 is fixedly provided on the top of the processing pool 1, a screw 13 is provided for rotation inside the guide rail 11, a motor 12 is fixedly provided on the left side of the guide rail 11, the output end of the motor 12 passes through the left side of the guide rail 11 and is connected to the screw 13, an outer wall of the screw 13 is screwed with an internal threaded slider 14, the screw 13 is driven to rotate by the motor 12, and the internal threaded slider 14 is driven to move right by the screw 13, a driving assembly is placed at the bottom of the internal threaded slider 14, the driving assembly includes an electric telescopic rod 15, a first connecting plate 16 is fixedly provided at the bottom of the telescopic end of the electric telescopic rod 15, a pull rope 18 is evenly fixedly provided at the bottom of the first connecting plate 16, and a second connecting plate 19 is fixedly provided at the bottom of the pull rope 18, A vibration motor 17 is fixedly provided on the top of the second connecting plate 19, and an electric telescopic rod 15 is fixedly provided on the bottom of the internal thread slider 14. The electric telescopic rod 15 is located below the guide rail 11. A holding frame 2 is placed above the passivation tank of the processing pool 1. A group of handles 21 are fixedly provided on the left and right sides of the holding frame 2. Two groups of slots are evenly provided on the front side of the holding frame 2. The slots pass through the top of the holding frame 2. Two groups of docking blocks 191 are evenly fixed on the bottom of the second connecting plate 19. The docking blocks 191 are inserted into the slots. A through hole is provided on the right side of the holding frame 2. A screw hole is provided on the right side of the right docking block 191 of the two groups of docking blocks 191. A bolt 192 is rotatably provided in the through hole. The bolt 192 is screwed into the threaded hole. After unscrewing the bolt 192, the holding frame 2 can be pulled forward and removed by the handle 21, thereby ensuring the convenience of use of the device.
[0022] Working principle: put the metal parts into the holding frame 2, align the docking block 191 with the slot of the holding frame 2 and insert it, then screw the bolt 192 into the through hole of the holding frame 2 and the threaded hole of the docking block 191, so as to fix the holding frame 2 to the bottom of the second connecting plate 19, and drive the holding frame 2 downward to the passivation tank of the processing tank 1 through the electric telescopic rod 15, and contact with the nitric acid passivation liquid for passivation. When the passivation is completed, the electric telescopic rod 15 drives the holding frame 2 to move upward out of the passivation tank of the processing tank 1, and at this time, the vibration motor 17 drives the second connecting plate 19 to vibrate, thereby driving the holding frame 2 at the bottom of the second connecting plate 19 to Vibrate, so as to shake the nitric acid passivation liquid attached to the holding frame 2 and the metal parts contained in the holding frame 2 into the passivation tank of the processing tank 1, so as to reduce the waste of nitric acid passivation liquid, and then drive the screw 13 to rotate by the motor 12, and drive the internal threaded slider 14 to move to the right by the screw 13, and drive the holding frame 2 under the electric telescopic rod 15 to move to the top of the cleaning tank of the processing tank 1 by the internal threaded slider 14, and then drive the holding frame 2 downward by the electric telescopic rod 15 to move into the cleaning tank of the processing tank 1 for cleaning. After unscrewing the bolt 192, the holding frame 2 can be pulled forward and removed by the handle 21, so as to ensure the convenience of use of the device.
Claims
1. A nitric acid passivation treatment device, characterized in that: include: A processing pool (1), wherein a passivation pool is provided on the left side of the top of the processing pool (1), and a cleaning pool is provided on the right side of the top of the processing pool (1), wherein: A guide rail (11) is provided on the top of the processing pool (1), a screw rod (13) is provided inside the guide rail (11), a motor (12) is provided on the left side of the guide rail (11), an output end of the motor (12) passes through the left side of the guide rail (11) and is connected to the screw rod (13), an outer wall of the screw rod (13) is screwed with an internal thread slider (14), and a driving component is placed at the bottom of the internal thread slider (14).
2. A nitric acid passivation treatment device according to claim 1, characterized in that: The driving assembly comprises an electric telescopic rod (15), a first connecting plate (16) is provided at the bottom of the telescopic end of the electric telescopic rod (15), a pull rope (18) is evenly provided at the bottom of the first connecting plate (16), a second connecting plate (19) is provided at the bottom of the pull rope (18), and a vibration motor (17) is provided at the top of the second connecting plate (19).
3. A nitric acid passivation treatment device according to claim 2, characterized in that: The electric telescopic rod (15) is arranged at the bottom of the internal thread slider (14), and the electric telescopic rod (15) is located below the guide rail (11).
4. A nitric acid passivation treatment device according to claim 2, characterized in that: A holding frame (2) is placed above the passivation tank of the processing tank (1), and a group of handles (21) are provided on both the left and right sides of the holding frame (2).
5. A nitric acid passivation treatment device according to claim 4, characterized in that: Two groups of slots are evenly arranged on the front side of the containing frame (2), and the slots pass through the top of the containing frame (2). Two groups of docking blocks (191) are evenly arranged on the bottom of the second connecting plate (19), and the docking blocks (191) are inserted into the slots.
6. A nitric acid passivation treatment device according to claim 5, characterized in that: A through hole is provided on the right side of the containing frame (2), and a screw hole is provided on the right side of the right docking block (191) in the two groups of docking blocks (191). A bolt (192) is provided in the through hole, and the bolt (192) is screwed into the threaded hole.