Electrolytic polishing device
Patent Information
- Application Number
- CN202522155252.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-11
- Publication Date
- 2026-11-03
- Estimated Expiration
- 2035-10-11
AI Technical Summary
In existing electropolishing equipment, the workpieces are randomly stacked or simply clamped, resulting in poor polishing effect. There are also problems such as surface defects caused by contact between workpieces and uneven current distribution.
The workpiece rail and lifting plate sleeve structure, which are set with fixed parts array, are used to position the workpiece by fixing the snap ring, and the lifting plate and sleeve form a uniform annular electrolyte channel to achieve workpiece positioning and uniform electropolishing.
It improves the polishing quality of the workpiece, ensures the consistency of current density, avoids problems such as polishing surface defects and uneven current distribution, and achieves efficient and uniform electropolishing effect.
Smart Images
Figure CN224930688U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to polishing devices, and in particular to an electrolytic polishing device. Background Technology
[0002] Electropolishing is a technique that uses electrochemical principles to smooth the surface of metal workpieces, and it is widely used in the surface treatment of small precision parts. However, existing electropolishing equipment often uses general-purpose fixtures or mesh workpiece baskets to hold the workpieces, resulting in haphazard stacking or simple clamping of the workpieces without a fixed spacing between them. This makes them prone to contact with each other, hinders the flow of polishing fluid, and leads to poor polishing results.
[0003] For parts requiring high surface quality, the stacking and contact of workpieces during polishing can lead to defects such as streaks and spots on the polished surface. Furthermore, if the spacing between workpieces is too small or they are in contact, it can cause uneven current distribution or short circuits, further affecting the polishing quality.
[0004] In summary, how to achieve electropolishing of workpieces has become an urgent problem for researchers in this field. Utility Model Content
[0005] The technical problem to be solved by this utility model is: how to achieve electrolytic polishing of workpieces;
[0006] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows:
[0007] This utility model relates to an electrolytic polishing device, comprising: an electrolytic cell containing electrolyte, a workpiece rack placed inside the electrolytic cell, a plurality of arrayed fixing members arranged on the workpiece rack, and the bottom of the workpiece being fitted over the fixing members; a lifting plate arranged above the electrolytic cell, with sleeves arranged in an array at the bottom of the lifting plate; the lifting plate descends to position the corresponding workpiece within the sleeves; and energizing the workpiece rack and the lifting plate to electrolytically polish the workpiece positioned between the fixing members and the sleeves.
[0008] Furthermore, the fixing component is configured as a fixing spring. When the workpiece is inserted into the fixing spring from top to bottom, the fixing spring is tightened and fixed in the bottom positioning hole of the workpiece.
[0009] Furthermore, a connecting plate is connected to the top of the lifting plate, and a cylinder for driving its lifting is connected above the connecting plate. Guide sleeves are provided on both sides of the connecting plate, and guide rods that cooperate with the guide sleeves are provided on both sides of the electrolytic cell.
[0010] Furthermore, handles are provided on both sides of the workpiece rack for easy handling.
[0011] Furthermore, the bottom of the sleeve has an upward-facing insertion cavity, the diameter of which is larger than the outer diameter of the workpiece.
[0012] The beneficial effects of this utility model are as follows: This utility model is an electrolytic polishing device. The workpiece is positioned by fixing components, and the lowering of the lifting plate puts the sleeve inside the workpiece, thus achieving the positioning of the workpiece. Subsequently, the workpiece rail and the lifting plate are energized to achieve electrolytic polishing of the workpiece, thereby improving the polishing quality. Attached Figure Description
[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0014] Figure 1 This is a schematic diagram of the structure of this embodiment;
[0015] Figure 2 This is a schematic diagram of a structure where no workpieces are installed in the workpiece column. Detailed Implementation
[0016] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.
[0017] See Figure 1-2 This embodiment is an electrolytic polishing device, comprising: an electrolytic tank 1 containing electrolyte, a workpiece rail 2 placed inside the electrolytic tank 1, and a plurality of arrayed fixing members 21 arranged on the workpiece rail 2, with the bottom of the workpiece 01 sleeved outside the fixing members 21; a lifting plate 3 arranged above the electrolytic tank 1, with sleeves 4 arranged in an array at the bottom of the lifting plate 3; the lifting plate 3 descends to position the corresponding workpiece 01 within the sleeves 4; and energizing the workpiece rail 2 and the lifting plate 3 to electrolytically polish the workpiece 01 positioned between the fixing members 21 and the sleeves 4.
[0018] In this embodiment, the electrolytic cell 1 contains electrolyte. The hollow workpiece 01 is vertically mounted on the fixing member 21. Then, the workpiece rail 2, along with the workpiece 01, is immersed in the electrolyte. Next, the lifting plate 3 descends, and the corresponding sleeve 4 is placed inside the workpiece 01 to position it. Finally, the workpiece rail 2 is energized, at which point the workpiece 01 becomes the anode for electrolytic polishing through the conductive workpiece rail 2. A uniform and narrow annular electrolyte channel is formed between the sleeve 4 and the workpiece 01. When the lifting plate 3 is energized, the sleeve 4 acts as the cathode for electrolytic polishing. Since the cathode surrounds the workpiece 01, a radially uniform electric field is formed, making the current density on the entire outer surface of the workpiece 01 highly consistent, thereby achieving efficient and uniform electrolytic polishing of the workpiece.
[0019] In some possible embodiments, the fixing member 21 is configured as a fixing snap ring, which is tightened and fixed in the bottom positioning hole of the workpiece 01 when the workpiece 01 is inserted into the fixing snap ring from top to bottom;
[0020] The fastener is a retaining ring. The workpiece 01 is inserted into the retaining ring from top to bottom to fix the workpiece 01.
[0021] In some possible embodiments, a connecting plate 5 is connected to the top of the lifting plate 3, a cylinder 6 for driving its lifting is connected above the connecting plate 5, guide sleeves 7 are provided on both sides of the connecting plate 5, and guide rods 8 that cooperate with the guide sleeves 7 are provided on both sides of the electrolytic cell 1.
[0022] By setting cylinder 6, the lifting plate 3 is lifted and lowered. By setting guide sleeve 7 and guide post 8, the sleeve 4 and workpiece 01 are accurately positioned during the lifting and lowering process of the lifting plate 3.
[0023] In some possible embodiments, handles 22 are provided on both sides of the workpiece railing 2 for easy picking;
[0024] After electropolishing is completed, the polished workpiece 01 is removed from the electrolytic cell 1 by using handle 22.
[0025] In some possible embodiments, the bottom of the sleeve 4 has an upward-facing insertion cavity, the diameter of which is larger than the outer diameter of the workpiece 01;
[0026] This configuration creates a uniform and narrow annular electrolyte channel between the outer wall of workpiece 01 and sleeve 4, facilitating subsequent electrolytic polishing.
[0027] Based on the above-described preferred embodiments of this utility model, and through the foregoing description, those skilled in the art can make various changes and modifications without departing from the technical concept of this utility model. The technical scope of this utility model is not limited to the contents of the specification, but must be determined according to the scope of the claims.
Claims
1. An electrolytic polishing apparatus, characterized in that, Includes: an electrolytic cell containing electrolyte, a workpiece rack placed inside the electrolytic cell, a plurality of arrayed fixing members arranged on the workpiece rack, and the bottom of the workpiece being sleeved outside the fixing members; A lifting plate is provided above the electrolytic cell, and sleeves are arranged in an array at the bottom of the lifting plate. When the lifting plate descends, the corresponding workpiece is placed inside the sleeve for positioning. When the workpiece rail and lifting plate are energized, the workpiece positioned between the fixing component and the sleeve is electrolytically polished.
2. The electrolytic polishing apparatus according to claim 1, characterized in that, The fixing component is a fixing spring. When the workpiece is inserted into the fixing spring from top to bottom, the fixing spring is tightened and fixed in the bottom positioning hole of the workpiece.
3. The electropolishing apparatus according to claim 1, characterized in that, The top of the lifting plate is connected to a connecting plate, and a cylinder for driving its lifting and lowering is connected above the connecting plate. Guide sleeves are provided on both sides of the connecting plate, and guide rods that cooperate with the guide sleeves are provided on both sides of the electrolytic cell.
4. The electrolytic polishing apparatus according to claim 1, characterized in that, The workpiece rack is equipped with handles on both sides for easy handling.
5. The electrolytic polishing apparatus according to claim 1, characterized in that, The bottom of the sleeve has an upward-facing insertion cavity, the diameter of which is larger than the outer diameter of the workpiece.