Pickling device for magnesium alloy surface treatment
By using snap rings and bolts to fix the object basket, and using bolts to detach and install the filter plate, as well as a hydraulic telescopic device to adjust its position, the problems of inconvenient disassembly and assembly of the object basket and the handling of impurities in the pickling solution are solved, thus improving the convenience of magnesium alloy surface treatment and the quality of pickling.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUZHOU COPLATE SURFACE TREATMENT TECH
- Filing Date
- 2025-08-01
- Publication Date
- 2026-06-16
AI Technical Summary
In existing magnesium alloy surface treatment equipment, the disassembly and assembly of the object basket is inconvenient and the impurities in the pickling solution are difficult to handle, which affects the pickling efficiency and quality.
The basket is secured with snap rings and bolts, and the filter plate is installed and removed with bolts. The position of the basket is adjusted by a hydraulic telescopic device, enabling convenient installation and removal of the basket and efficient filtration of the pickling solution.
This improved the ease of assembling and disassembling the basket and the cleanliness of the pickling solution, thereby enhancing the efficiency and quality of alloy surface treatment.
Smart Images

Figure CN224362884U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of alloy processing technology, specifically to an acid pickling device for magnesium alloy surface treatment. Background Technology
[0002] Magnesium alloy surface treatment pickling equipment is a specialized device designed for the characteristics of magnesium alloy materials. Through mechanical vibration and automated control technology, it achieves efficient recycling of pickling solution and rapid loading and unloading of workpieces. Magnesium alloy surface treatment pickling equipment is typically composed of a vibration pickling system, an automated lifting mechanism, a sealing and protection system, and other structures. Magnesium alloy surface treatment pickling equipment is mainly used in aerospace, automotive industry, biomedical and other fields.
[0003] For example, Chinese patent CN218596521U, entitled "A Pickling Device for Metal Parts Production," includes a pickling tank and metal plates. The pickling tank is pre-filled with pickling solution. Mounting grooves are provided on the top of both sides of the pickling tank. A swinging mechanism for swinging the metal plates is installed in the mounting grooves. The swinging mechanism includes a cylinder, a slide rail, and a connecting rod installed on the side wall of the pickling tank. A slide bar is slidably installed in the slide rail. The slide bar is connected to the piston rod of the cylinder. The connecting rod is installed in the mounting groove. A special-shaped gear is fixedly connected to one end of the connecting rod. The slide bar has a toothed groove. The slide bar and the special-shaped gear are connected in a transmission manner.
[0004] While the existing technologies can achieve pickling of alloys, in practical use, on the one hand, the disassembly and assembly of the object basket is not convenient. The object basket is usually fixed on the acid device, which means that a suitable acid device needs to be replaced when pickling objects of different sizes, thus reducing the acidification efficiency of the alloy. On the other hand, the impurities mixed in the pickling solution are difficult to handle. Usually, the pickling solution is recycled, which causes the impurities in the pickling solution to re-enter the pickling tank during the recycling process, thus reducing the acidification quality of the alloy. Therefore, it does not meet the current requirements. In response, we propose a pickling device for the surface treatment of magnesium alloys. Utility Model Content
[0005] The purpose of this invention is to provide a pickling device for magnesium alloy surface treatment, so as to solve the problems mentioned in the background art, such as the inconvenience of disassembling and assembling the object basket and the difficulty in handling impurities mixed in the pickling solution.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a pickling device for magnesium alloy surface treatment, comprising a base, an pickling tank fixedly disposed at the upper end of the base, a mounting frame fixedly disposed at the upper end of the base outside the pickling tank, a connecting plate disposed below the mounting frame, and sliding grooves disposed at both the front and rear ends of the lower part of the connecting plate, the sliding grooves being an open structure, and fixing frames disposed at both the front and rear ends of the lower part of the connecting plate, the upper ends of the fixing frames extending into the interior of the sliding grooves, and the fixing frames slidingly limiting the sliding grooves, through holes disposed at the lower sides of both sides of the interior of the fixing frames, an object basket disposed between the fixing frames, and insert rods fixedly disposed on both sides of the front and rear ends of the object basket, one end of the insert rod extending through the through hole to the outside of the fixing frame, and a retaining spring sleeved on the outside of the insert rod located outside the fixing frame.
[0007] Preferably, the front and rear ends of the upper part of the connecting plate and the upper part of the fixing frame are both provided with first threaded holes. The first threaded holes on the connecting plate correspond to the positions of the first threaded holes on the fixing frame. The upper end of the fixing frame located at the opening position of the first threaded hole is provided with a first bolt, and the lower end of the first bolt extends into the interior of the fixing frame through the first threaded hole.
[0008] Preferably, a fixed frame is fixedly installed on both sides inside the pickling tank, and a filter plate is installed inside the fixed frame. The filter plate is slidably fitted with the fixed frame. The front and rear ends of the filter plate and the fixed frame are provided with second threaded holes. The second threaded holes on the filter plate correspond to the positions of the second threaded holes on the fixed frame. A second bolt is provided outside the fixed frame at the opening position of the second threaded hole. One end of the second bolt extends into the interior of the filter plate through the second threaded hole.
[0009] Preferably, an outlet pipe is fixedly installed on one side of the outside of the pickling tank, and an inlet pipe is fixedly installed on the other side of the outside of the pickling tank. Both the inlet pipe and the outlet pipe are connected to the pickling tank, and the positions of the inlet pipe and the outlet pipe correspond to those of the filter plate. Valves are fixedly installed on the outside of the inlet pipe and the outlet pipe.
[0010] Preferably, a hydraulic telescopic device is fixedly provided at the upper end of the mounting frame, and the telescopic end of the hydraulic telescopic device extends to the lower part of the mounting frame and is fixedly connected to the connecting plate.
[0011] Preferably, an ultrasonic cleaning assembly is fixedly installed at the lower end of the pickling tank.
[0012] Preferably, control panels are fixedly installed at both the front and rear ends of the mounting frame, and the control panels are electrically connected to the hydraulic telescopic device, valves, and ultrasonic cleaning components.
[0013] Compared with the prior art, the beneficial effects of this utility model are:
[0014] (1) The present invention can remove the object basket from the connecting plate by means of the snap ring and the second bolt. When the object basket needs to be installed, the tool is first used to place the object basket in a suitable position. At this time, the operator uses a fixing bracket to fit the outside of the plug rod through the through hole, and then fits the snap ring to fit the outside of the plug rod so that the fixing bracket is close to the outside of the object basket. At this time, the upper end of the fixing bracket is aligned with the opening of the slide groove and pushed into the slide groove until the fixing bracket is moved to a suitable position. At this time, the fixing bracket is installed on the connecting plate by means of the second bolt. Then, the above steps are repeated to install another fixing bracket, thereby improving the convenience of disassembling and assembling the object basket.
[0015] (2) This utility model can filter impurities in pickling solution through filter plate and first bolt. When alloy pickling is performed, the pickling solution is circulated under the action of external water pump. Before the pickling solution flows into the outlet pipe, the filter plate intercepts and filters the impurities mixed in the pickling solution, so that the filtered pickling solution enters the circulation mechanism through the outlet pipe, thereby improving the cleanliness of the circulating pickling solution. At the same time, when the filter plate needs to be maintained, the operator rotates the first bolt to disengage the first bolt from the first thread, and then pulls the filter plate out of the fixed frame and processes it. At this time, the processed filter plate is aligned with the opening of the fixed frame and inserted into the fixed frame, and then the filter plate is fixed by the first bolt, thereby improving the flexibility of filter plate disassembly and assembly.
[0016] (3) This utility model can adjust the position of the object basket by means of a fixed frame and a hydraulic telescopic device. When the alloy is pickled, the alloy is placed in the object basket. At this time, the operator opens the hydraulic telescopic device through the control panel, so that the telescopic end of the hydraulic telescopic device extends. The extension of the telescopic end of the hydraulic telescopic device drives the connecting plate and the object basket to move downward together until the object basket is immersed in the pickling solution and then pickled. After the alloy pickling is completed, the operator opens the hydraulic telescopic device through the control panel, so that the telescopic end of the hydraulic telescopic device retracts. The retraction of the telescopic end of the hydraulic telescopic device drives the connecting plate and the object basket to move upward together until the object basket is taken out of the pickling tank, thereby improving the convenience of putting in and taking out the alloy. Attached Figure Description
[0017] Figure 1 This is a perspective view of the overall structure of this utility model;
[0018] Figure 2 This is a front view of the internal structure of this utility model;
[0019] Figure 3 This is a side view of the internal structure of this utility model;
[0020] Figure 4 For the present utility model Figure 1Enlarged view of a portion of region A in the middle;
[0021] Figure 5 For the present utility model Figure 3 Enlarged view of a portion of region B in the middle.
[0022] In the diagram: 1. Base; 2. Pickling tank; 3. Mounting frame; 4. Hydraulic telescopic device; 5. Connecting plate; 6. Fixing frame; 7. Item basket; 8. Insert rod; 9. Snap ring; 10. Control panel; 11. Valve; 12. Liquid outlet pipe; 13. Ultrasonic cleaning assembly; 14. Liquid inlet pipe; 15. Fixing frame; 16. Filter plate; 17. First bolt; 18. First threaded hole; 19. Second bolt; 20. Slide groove; 21. Through hole; 22. Second threaded hole. Detailed Implementation
[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0024] Please see Figure 1-5 An embodiment of this utility model provides an acid pickling device for magnesium alloy surface treatment, comprising a base 1, an acid pickling tank 2 fixedly mounted on the upper end of the base 1, an mounting frame 3 fixedly mounted on the upper end of the base 1 outside the acid pickling tank 2, a connecting plate 5 mounted below the mounting frame 3, an ultrasonic cleaning assembly 13 fixedly mounted on the lower end inside the acid pickling tank 2, and control panels 10 fixedly mounted on the front and rear ends of the mounting frame 3. The control panels 10 are electrically connected to a hydraulic telescopic device 4, a valve 11, and the ultrasonic cleaning assembly 13.
[0025] Please see Figure 1 , Figure 3 , Figure 4 and Figure 5The connecting plate 5 has sliding grooves 20 at both the front and rear ends inside its lower part. The sliding grooves 20 are open structures. Fixing brackets 6 are provided at both the front and rear ends below the connecting plate 5. The upper end of the fixing bracket 6 extends into the interior of the sliding groove 20, and the fixing bracket 6 slides and is limited in place with the sliding groove 20. Through holes 21 are provided on the lower sides of both sides inside the fixing bracket 6. An object basket 7 is provided between the fixing brackets 6. Insert rods 8 are fixedly installed on both the front and rear sides of the object basket 7. One end of the insert rod 8 extends through the through hole 21 to the outside of the fixing bracket 6. The insert rod 8 is located... A retaining spring 9 is provided on the outer sleeve of the fixing frame 6. The front and rear ends of the upper part of the connecting plate 5 and the upper part of the fixing frame 6 are provided with first threaded holes 18. The first threaded holes 18 on the connecting plate 5 correspond to the first threaded holes 18 on the fixing frame 6. A first bolt 17 is provided at the upper end of the fixing frame 6 at the opening of the first threaded hole 18. The lower end of the first bolt 17 extends into the interior of the fixing frame 6 through the first threaded hole 18, so as to fix the basket 7 of the object by retaining spring 9 and first bolt 17.
[0026] Please see Figure 1 , Figure 2 and Figure 3 A fixed frame 15 is fixedly installed on both sides inside the pickling tank 2. A filter plate 16 is installed inside the fixed frame 15. The filter plate 16 is slidably engaged with the fixed frame 15. The front and rear ends of the filter plate 16 and the fixed frame 15 are provided with second threaded holes 22. The second threaded holes 22 on the filter plate 16 correspond to the second threaded holes 22 on the fixed frame 15. A second bolt 19 is installed outside the fixed frame 15 at the opening of the second threaded hole 22. One end of the second bolt 19 extends into the interior of the filter plate 16 through the second threaded hole 22. An outlet pipe 12 is fixedly installed on one side outside the pickling tank 2. An inlet pipe 14 is fixedly installed on the other side outside the pickling tank 2. Both the inlet pipe 14 and the outlet pipe 12 are connected to the pickling tank 2, and their positions correspond to the filter plate 16. A valve 11 is fixedly installed outside the inlet pipe 14 and the outlet pipe 12 to facilitate the filtration of impurities in the pickling solution through the filter plate 16.
[0027] Please see Figure 1 and Figure 2 A hydraulic telescopic device 4 is fixedly installed at the upper end of the mounting frame 3. The telescopic end of the hydraulic telescopic device 4 extends to the lower part of the mounting frame 3 and is fixedly connected to the connecting plate 5, so as to facilitate the adjustment of the position of the basket 7 through the hydraulic telescopic device 4.
[0028] Working principle: In use, first place the basket 7 in a suitable position using tools. Then, the operator attaches a fixing bracket 6 to the outside of the insertion rod 8 through the through hole 21, and then attaches the retaining ring 9 to the outside of the insertion rod 8. Align the upper end of the fixing bracket 6 with the opening of the slide groove 20 and push it into the slide groove 20 until the fixing bracket 6 is moved to the suitable position. Then, install the fixing bracket 6 onto the connecting plate 5 using the second bolt 19. Repeat the above steps to install the other fixing bracket 6. When performing alloy pickling, the operator activates the hydraulic telescopic device 4 through the control panel 10, causing the telescopic end of the hydraulic telescopic device 4 to extend. The extension of the telescopic end of the hydraulic telescopic device 4 drives the connecting plate 5 to connect the basket 7. The workpiece moves downwards until the basket 7 is immersed in the pickling solution for subsequent pickling. Simultaneously, the pickling solution circulates under the action of an external water pump. Before the pickling solution flows into the outlet pipe 12, the filter plate 16 intercepts and filters impurities mixed in the pickling solution, allowing the filtered solution to enter the circulation mechanism through the outlet pipe 12. After alloy pickling is completed, the operator activates the hydraulic telescopic device 4 via the control panel 10, causing the telescopic end of the hydraulic telescopic device 4 to retract. The retraction of the telescopic end of the hydraulic telescopic device 4 drives the connecting plate 5, connected to the basket 7, to move upwards until the basket 7 is removed from the pickling tank 2. All workpieces immersed in the pickling solution have undergone anti-corrosion treatment.
[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A pickling apparatus for surface treatment of magnesium alloys, comprising a base (1), characterized in that: A pickling tank (2) is fixedly installed on the upper end of the base (1). An installation frame (3) is fixedly installed on the upper end of the base (1) outside the pickling tank (2). A connecting plate (5) is installed below the installation frame (3). A sliding groove (20) is provided at both the front and rear ends of the lower part of the connecting plate (5). The sliding groove (20) is an open structure. A fixing frame (6) is provided at both the front and rear ends of the lower part of the connecting plate (5). The upper end of the fixing frame (6) extends into the interior of the sliding groove (20). The fixing frame (6) and the sliding groove (20) are slidably limited. A through hole (21) is provided on both sides of the interior of the fixing frame (6). An object basket (7) is provided between the fixing frames (6). A plug rod (8) is fixedly installed on both sides of the front and rear ends of the object basket (7). One end of the plug rod (8) extends to the outside of the fixing frame (6) through the through hole (21). A retaining spring (9) is sleeved on the outside of the fixing frame (6).
2. The pickling apparatus for magnesium alloy surface treatment according to claim 1, characterized in that: The front and rear ends of the upper part of the connecting plate (5) and the upper part of the fixing frame (6) are both provided with first threaded holes (18). The first threaded holes (18) on the connecting plate (5) and the first threaded holes (18) on the fixing frame (6) are in the same position. The upper end of the fixing frame (6) at the opening position of the first threaded hole (18) is provided with a first bolt (17). The lower end of the first bolt (17) extends into the interior of the fixing frame (6) through the first threaded hole (18).
3. The pickling apparatus for magnesium alloy surface treatment according to claim 2, characterized in that: The pickling tank (2) has fixed frames (15) on both sides inside. The fixed frames (15) have filter plates (16) inside. The filter plates (16) and the fixed frames (15) slide together. The filter plates (16) and the fixed frames (15) have second threaded holes (22) at the front and rear ends inside. The second threaded holes (22) on the filter plates (16) and the second threaded holes (22) on the fixed frames (15) are in the same position. The fixed frames (15) have second bolts (19) outside the opening of the second threaded holes (22). One end of the second bolts (19) extends through the second threaded holes (22) into the interior of the filter plates (16).
4. The pickling apparatus for magnesium alloy surface treatment according to claim 3, characterized in that: An outlet pipe (12) is fixedly installed on one side of the outside of the pickling tank (2), and an inlet pipe (14) is fixedly installed on the other side of the outside of the pickling tank (2). The inlet pipe (14) and the outlet pipe (12) are both connected to the pickling tank (2), and the positions of the inlet pipe (14) and the outlet pipe (12) correspond to those of the filter plate (16). A valve (11) is fixedly installed on the outside of the inlet pipe (14) and the outlet pipe (12).
5. The pickling apparatus for magnesium alloy surface treatment according to claim 4, characterized in that: A hydraulic telescopic device (4) is fixedly installed at the upper end of the mounting frame (3). The telescopic end of the hydraulic telescopic device (4) extends to the lower part of the mounting frame (3) and is fixedly connected to the connecting plate (5).
6. The pickling apparatus for magnesium alloy surface treatment according to claim 5, characterized in that: An ultrasonic cleaning assembly (13) is fixedly installed at the lower end of the pickling tank (2).
7. The pickling apparatus for magnesium alloy surface treatment according to claim 6, characterized in that: The front and rear ends of the mounting bracket (3) are fixedly equipped with control panels (10), which are electrically connected to the hydraulic telescopic device (4), valve (11), and ultrasonic cleaning assembly (13).