Three-axis machining auxiliary cover plate device
By combining the design of floating and chain-type water-blocking mechanisms, the problem of top protection in three-axis machining is solved, achieving all-round sealed protection, preventing working fluid splashing, improving equipment accuracy and extending service life, and reducing maintenance costs.
Patent Information
- Application Number
- CN202511980983.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-25
- Publication Date
- 2026-03-03
AI Technical Summary
Existing technologies make it difficult to achieve airtight protection of the top of the machining area in three-axis machining, which leads to the splashing of working fluid causing corrosion to the core components of the machine tool, affecting the accuracy and lifespan of the equipment.
The design employs a combination of floating and chain-type water-proof mechanisms, including multi-layer telescopic limit plates and chain-type water-proof blades, to ensure freedom of movement in three axes while achieving all-round airtight protection.
It effectively blocks the splashing of working fluid, prevents corrosion of components such as guide rails and lead screws, improves equipment accuracy and lifespan, reduces maintenance costs, and its modular design facilitates maintenance.
Smart Images

Figure CN121589385A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of mechanical technology, and in particular to an auxiliary device for preventing splashing of working fluids during special processing. Background Technology
[0002] In the field of machining, the splashing of working fluids is a common technical challenge in processes such as wire EDM, electrolytic machining, and jet electrodeposition. These working fluids have core functions such as cooling and electrolysis, and their splashing not only affects the cleanliness of the machining environment but can also damage equipment.
[0003] Currently, most conventional protection solutions in the industry involve setting up shielding structures on the sides of the processing area to block most of the lateral splashes of working fluid. For processes such as electrolytic machining and jet electrodeposition where the nozzle directly acts on the processing surface, protective devices are also installed directly in the nozzle area to further reduce local splashing. However, protection of the top area has always faced technical bottlenecks—due to the need for flexible movement of actuators such as the reciprocating motion of the electrode wire and the dynamic positioning of the nozzle during processing, sufficient space for movement must be reserved, making it difficult to achieve a completely sealed protective design.
[0004] When the flow rate of the working fluid increases during processing, some of the liquid splashes out at high speed from the gaps in the top protection. This pressurized splashing working fluid directly contacts the machine tool's guide rails, lead screws, bearings, and servo motors, among other core precision moving components. Over time, the chemical components in the working fluid corrode these components, leading not only to accelerated wear and reduced precision but also potentially shortening the overall lifespan of the equipment. Ultimately, this affects the dimensional accuracy and surface quality of the processed products. Existing sealed protective structures are mostly integrated designs, requiring extensive disassembly of the relevant structures for later maintenance of the actuators or protective components, making the operation complex and time-consuming. Summary of the Invention
[0005] The purpose of this invention is to provide a three-axis machining auxiliary cover plate device that can achieve sealing of the top of the special machining area without affecting the degrees of freedom of the three-axis motion platform, so as to prevent the splashing of working fluid.
[0006] The above-mentioned technical objective of the present invention is achieved through the following technical solution:
[0007] A three-axis machining auxiliary cover plate device, the device comprising: a machining area box, a three-axis module machining machine, a machine head, a floating water-blocking mechanism, and a chain water-blocking mechanism, wherein the three-axis module machining machine is mounted on the machining area box, the three-axis module machining machine comprising a three-axis motion module and a machine head, characterized in that: a floating water-blocking mechanism and a chain water-blocking mechanism are provided on the machining area box, the chain water-blocking mechanism being embedded in the floating water-blocking mechanism; the machine head passes through the chain water-blocking mechanism, when the machine head moves along the Y-axis, the machine head drives the chain water-blocking mechanism to reciprocate along the Y-axis direction, the three-axis motion module machining machine acts on the connecting bracket to drive the floating water-blocking mechanism to move along the X-axis, the floating water-blocking mechanism and the chain water-blocking mechanism operate, so that the machining area box is in a closed state during machining.
[0008] Furthermore, the floating water-blocking mechanism includes: a frame, a multi-layer telescopic limiting plate assembly 1 and a multi-layer telescopic limiting plate assembly 2. A chain-type water-blocking mechanism is installed between the multi-layer telescopic limiting plate assembly 1 and the multi-layer telescopic limiting plate assembly 2 to coordinate their movement. The multi-layer telescopic limiting plate assembly 1 and the multi-layer telescopic limiting plate assembly 2 have the same structure and are arranged symmetrically on the left and right sides within the frame.
[0009] Furthermore, the multi-layer telescopic limiting plate assembly consists of several stacked telescopic limiting plates. The upper and lower surfaces of each multi-layer telescopic limiting plate are symmetrically equipped with limiting bosses for fastening. When one telescopic limiting plate moves to its limit position, the limiting bosses cause the next layer of telescopic limiting plates to move accordingly. This achieves the floating water-blocking mechanism's floating in the X-axis direction, ensuring the X-axis freedom of the three-axis module machining machine.
[0010] Furthermore, the chain-type water-blocking mechanism includes a cover plate, a base plate, a chain, a limiting water-blocking plate, and water-blocking blades. The limiting water-blocking plate is installed below the base plate, and the chain is positioned between the base plate and the cover plate. Several sets of water-blocking blades and a pair of slotted blades are installed on a straight plate single-hole chain link. The slotted blades are installed on the straight plate single-hole chain link in the middle of the chain-type water-blocking mechanism. The slotted blades have slots, and the diameter of the circular hole in the slot is the same as the radial diameter of the machine head. The machine head passes through the slotted blades at the slots. When the machine head moves along the Y direction, it actuates the slotted blades, which in turn drive the chain to move, thereby driving the water-blocking blades to move, ensuring the Y-direction freedom of the three-axis machining center.
[0011] Furthermore, the water-blocking trough has a rectangular frame structure, is installed on the side of the floating water-blocking mechanism, and is positioned above the processing area box. The inner wall of the water-blocking trough is provided with stepped layers, which assist the movement of the telescopic limiting plate.
[0012] Furthermore, one end of the water-proof blade is provided with a threaded hole, an arc groove is provided on the upper edge of the water-proof blade, and an arc protrusion is provided on the lower edge of the water-proof blade. The water-proof blades are sequentially installed on the straight plate single-hole chain link. The arc protrusion of the water-proof blade is tightly engaged with the arc groove of the next water-proof blade to prevent the working fluid from splashing out from the gap between two adjacent water-proof blades.
[0013] In summary, the present invention has the following beneficial effects:
[0014] The horizontal design employs a layered floating partition design, comprising left and right sections. The horizontal motion module drives the floating partition to move left and right. Due to the layered design of the partition, the space of the equipment is fully utilized.
[0015] The longitudinal section uses a chain-link type water-proof blade plate, which is used at the joint of the left and right parts of the stacked partition. The water-proof blade plate is installed on the chain link and is driven to move by the longitudinally moving module, thereby releasing the longitudinal degree of freedom of the motion platform.
[0016] Compared with existing technologies, the protective sealing performance is significantly improved, completely solving the problem of top splashing.
[0017] This design uses a combination of horizontally stacked floating baffles and vertically linked water-proof blades to form a top protective closed loop that is horizontally fully enclosed and vertically seamlessly connected. Compared with the local protection of existing technologies, it can block the splashing of working fluid from all directions, thus preventing corrosion of precision components such as guide rails and lead screws from the source, thereby avoiding the reduction of equipment accuracy and shortening of life.
[0018] This design provides comprehensive protection, effectively preventing the working fluid from contacting core components such as guide rails, lead screws, bearings, and servo motors, thereby reducing chemical corrosion and mechanical wear, and lowering the frequency of component maintenance and replacement costs.
[0019] This design adopts a modular disassembly structure. The stacked floating partitions can be disassembled individually for replacement or cleaning without the need to completely dismantle the lateral movement module.
[0020] The individual links and blades of the chain-linked water-proof blade plate can be replaced independently, avoiding the failure of the entire protective structure due to local damage. Compared with the integrated protection technology of the prior art, it has higher maintenance efficiency and lower cost. Attached Figure Description
[0021] Figure 1 This is a structural diagram of the floating cover plate of the present invention;
[0022] Figure 2 This is a usage scenario diagram of the floating cover plate device of the present invention;
[0023] Figure 3 This is a schematic diagram of the floating cover plate device of the present invention in a non-working state;
[0024] Figure 4 This is a top view of the floating water-blocking mechanism of the present invention;
[0025] Figure 5 This is a schematic diagram of the floating water-proof mechanism of the present invention.
[0026] Figure 6 This is a cross-sectional view of the floating water-proof mechanism of the present invention;
[0027] Figure 7 This is a schematic diagram illustrating the working principle of the Y-axis motion of the present invention;
[0028] Figure 8 This invention relates to a chain-type water-blocking mechanism;
[0029] Figure 9 This is a diagram of the internal structure of the chain-type water-blocking mechanism of the present invention;
[0030] Figure 10 These are three views of the water-proof blade of the present invention;
[0031] Figure 11 These are three views of the slotted blade of the present invention;
[0032] Figure 12 This invention relates to the trapezoidal water guide block;
[0033] Figure 13 This is a structural diagram of the chain base plate of the present invention;
[0034] Figure 14 This is a structural diagram of the water-blocking trough of the present invention;
[0035] Figure 15 This is a schematic diagram of the side gap of the floating water-blocking mechanism of the present invention.
[0036] In the diagram: 1. Floating water-blocking mechanism; 2. Chain-type water-blocking mechanism; 3. Water-blocking trough; 4. Three-axis module processing machine; 401. Three-axis motion module; 5. Connecting bracket; 6. Processing area box; 7. Machine head; 8. Frame; 901. Multi-layer telescopic limit plate assembly 1; 902. Multi-layer telescopic limit plate assembly 2; 10. Telescopic limit plate; 11. Sheet metal; 12. Linear guide rail; 13. Slider; 14. Butt joint sheet metal; 15. Knob; 16. 17. Limiting boss; 18. Cover plate; 19. Base plate; 10. Water-blocking blade; 1901. Threaded hole; 1902. Arc groove; 1903. Arc protrusion; 20. Groove blade; 2001 Groove; 21. Trapezoidal water guide block; 22. Limiting water-blocking plate; 23. Chain; 2301. Straight single-hole chain link; 24. Bearing; 25. Sprocket; 26. Silicone wiper blade; 27. Sealing strip; 28. Side gap; 29. Step. Detailed Implementation
[0037] The present invention will be further described in detail below with reference to the accompanying drawings.
[0038] like Figure 1-15 As shown, a three-axis machining auxiliary cover plate device includes a machining area box 6, a three-axis module machining machine 4, a machine head 7, a floating water-blocking mechanism 1, and a chain-type water-blocking mechanism 2, as follows: Figure 2 As shown, a three-axis module processing machine 4 is installed on the processing area box 6. The three-axis module processing machine 4 includes a three-axis motion module 401 and a machine head 7, as shown. Figure 1 The feature shown is that: a floating water-blocking mechanism 1 and a chain water-blocking mechanism 2 are provided on the processing area box 6, and the chain water-blocking mechanism 2 is embedded in the floating water-blocking mechanism 1.
[0039] like Figure 2 As shown, the machine head 7 passes through the chain-type water-blocking mechanism 2. When the machine head 7 moves along the Y-axis, the machine head 7 drives the chain-type water-blocking mechanism 2 to reciprocate along the Y-axis. The three-axis motion module processing machine 4 acts on the connecting bracket 5 to drive the floating water-blocking mechanism 1 to move along the X-axis. The floating water-blocking mechanism 1 and the chain-type water-blocking mechanism 2 move, so that the processing area box 6 is in a closed state during processing.
[0040] like Figure 4 As shown, the floating water-blocking mechanism 1 includes a frame 8, a multi-layer telescopic limiting plate assembly 901, and a multi-layer telescopic limiting plate assembly 902. A chain-type water-blocking mechanism 2 is installed between the multi-layer telescopic limiting plate assembly 901 and the multi-layer telescopic limiting plate assembly 902 to coordinate their movement. The multi-layer telescopic limiting plate assembly 901 and the multi-layer telescopic limiting plate assembly 902 have the same structure and are symmetrically arranged within the frame 8. Figure 5 As shown, the multi-layer telescopic limiting plate assembly 901 is composed of several telescopic limiting plates 10 stacked together. Limiting bosses 16 are symmetrically arranged on the upper and lower surfaces of each multi-layer telescopic limiting plate 10 for fastening. Figure 6 As shown, when a telescopic limiting plate 10 moves to its limit position, it drives the next telescopic limiting plate 10 to move along through the limiting boss 16, thus realizing the floating of the floating water-blocking mechanism in the X-axis direction. The telescopic limiting plates 10 are all connected to the outer slider 13 through sheet metal 11. The slider is installed on the linear guide rail 12, and the linear guide rail 12 is fixed on the frame 8.
[0041] like Figure 3 As shown, when the three-axis machining auxiliary cover plate device is not in operation, when the knob 15 is turned off to remove the mating sheet metal 14 from the slot, the two parts of the floating water-blocking mechanism 1, the first component 901 and the second component 902 of the multi-layer telescopic limiting plate separate. Then, the left and right parts are pushed to their limit positions as shown. Figure 3 As shown, the top of the processing area is exposed, which makes it easy to remove or clamp the workpiece.
[0042] like Figure 8As shown, the chain-type water-blocking mechanism 2 includes a cover plate 17, a base plate 18, a chain 23, a limiting water-blocking plate 22, and water-blocking blades 19. Specifically, the limiting water-blocking plate 22 is installed below the base plate 18, and the transmission system consisting of the chain 23, bearings 24, and sprockets 25 is located between the base plate 18 and the cover plate 17. Figure 9 As shown, several sets of water-proof blades 19 and a pair of slotted blades 20 are installed on the straight plate single-hole chain link 2301, wherein the slotted blades 20 are installed on the straight plate single-hole chain link 2301 in the middle part of the chain water-proof mechanism 2.
[0043] Figure 11 As shown, a slot 2001 is provided on the slotted blade 20. The diameter of the circular hole in the slot 2001 is the same as the radial diameter of the head 7. The head 7 penetrates the slotted blade 20 at the slot 2001. Figure 7 As shown, the machine head 7 passes through the slot blade 20 at the slot 2001, and then through the chain-type water-blocking mechanism 2. During operation, when the machine head 7 moves along the Y-axis, it will actuate the slot blade 20. At the same time, the slot blade 20 drives the chain 23 to move, which in turn drives all the water-blocking blades 19 to move in a coordinated manner, thereby ensuring the freedom of the machine head 7 in the Y-axis direction. It also completes the water-blocking and sealing at the joint of the left and right parts of the multi-layer telescopic limit plate component 901 and the multi-layer telescopic limit plate component 902 in the floating water-blocking mechanism 1. Considering that the water-blocking blades 19 will carry out electrolyte during the reciprocating motion, a trapezoidal water guide block 21 is installed near the sprocket 25. A silicone scraper 26 is installed above the trapezoidal water guide block 21. Figure 12 As shown, ensure that the working fluid flows smoothly into the processing area tank 6.
[0044] like Figure 13 As shown, a sealing strip 27 is installed at the edge of the base plate 18 to prevent the working fluid from seeping into the chain-type water-blocking mechanism 2.
[0045] like Figure 14 As shown, the water-blocking groove 3 has a rectangular frame structure. The water-blocking groove 3 is installed on the side of the floating water-blocking mechanism 1 and is positioned above the processing area box 6. Because the telescopic limiting plates 10 in the floating water-blocking mechanism 1 are stacked, a height difference will occur on the side, resulting in a side gap 28. Figure 15 As shown, if there is no working fluid, it will flow out from the side. Therefore, steps 29 are stacked on the inner wall of the water-blocking tank. Steps 29 assist the telescopic limiting plate 10 to move and complete the sealing of the side of the floating water-blocking mechanism 1.
[0046] like Figure 10As shown, one end of the water-proof blade 19 is provided with a threaded hole 1901, an arc groove 1902 is provided on the upper edge of the water-proof blade 19, and an arc protrusion 1903 is provided on the lower edge of the water-proof blade 19. The water-proof blades 19 are sequentially installed on the straight plate single-hole chain link 2301. The arc protrusion 1903 of the water-proof blade 19 is tightly engaged with the arc groove 1902 of the next water-proof blade 19 to prevent the working fluid from splashing out from the gap between two adjacent water-proof blades 19.
[0047] This specific embodiment is merely an explanation of the present invention and is not intended to limit the invention. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.
Claims
1. A three-axis machining auxiliary cover plate device, comprising a machining area box (6), a three-axis module machining machine (4), a machine head (7), a floating water-blocking mechanism (1), and a chain-type water-blocking mechanism (2), wherein the three-axis module machining machine (4) is mounted on the machining area box (6), the three-axis module machining machine (4) comprising a three-axis motion module (401) and a machine head (7), characterized in that: A floating water-blocking mechanism (1) and a chain water-blocking mechanism (2) are provided on the processing area box (6), and the chain water-blocking mechanism (2) is embedded in the floating water-blocking mechanism (1); The machine head (7) passes through the chain-type water-blocking mechanism (2). When the machine head (7) moves along the Y-axis, the machine head (7) drives the chain-type water-blocking mechanism (2) to reciprocate along the Y-axis. The three-axis motion module processing machine (4) acts on the connecting bracket (5) to drive the floating water-blocking mechanism (1) to move along the X-axis. The floating water-blocking mechanism (1) and the chain-type water-blocking mechanism (2) move, so that the processing area box (6) is in a closed state during processing.
2. The three-axis machining auxiliary cover plate device according to claim 1, characterized in that: The floating water-blocking mechanism (1) includes a frame (8), a multi-layer telescopic limiting plate first component (901) and a multi-layer telescopic limiting plate second component (902). A chain-type water-blocking mechanism (2) is installed between the multi-layer telescopic limiting plate first component (901) and the multi-layer telescopic limiting plate second component (902) to move in coordination. The multi-layer telescopic limiting plate first component (901) and the multi-layer telescopic limiting plate second component (902) have the same structure and are symmetrically arranged in the frame (8).
3. The three-axis machining auxiliary cover plate device according to claim 2, characterized in that: The multi-layer telescopic limiting plate assembly (901) is composed of several telescopic limiting plates (10) stacked together. The multi-layer telescopic limiting plates (10) are symmetrically provided with limiting bosses (16) on the upper and lower sides for fastening. When one telescopic limiting plate (10) moves to the limit position, the limiting boss (16) drives the next layer of telescopic limiting plates (10) to move accordingly.
4. The three-axis machining auxiliary cover plate device according to claim 1, characterized in that: The chain-type water-blocking mechanism (2) includes a cover plate (17), a base plate (18), a chain (23), a limiting water-blocking plate (22), and water-blocking blades (19). The limiting water-blocking plate (22) is installed below the base plate (18), and the chain (23) is located between the base plate (18) and the cover plate (17). Several sets of water-blocking blades (19) and a pair of slotted blades (20) are installed on a straight plate single-hole chain link (2301). The slotted blades (20) are installed on the straight plate single-hole chain link (2301) in the middle part of the chain-type water-blocking mechanism (2). The slotted blades (20) are provided with slots (2001). The diameter of the round hole of the slot (2001) is the same as the radial diameter of the machine head (7). The machine head (7) passes through the slotted blades (20) at the slot (2001).
5. The three-axis machining auxiliary cover plate device according to claim 1, characterized in that: The water-blocking trough (3) is a rectangular frame structure. The water-blocking trough (3) is installed on the side of the floating water-blocking mechanism (1) and the water-blocking trough (3) is set above the processing area box (6). The inner wall of the water-blocking trough is stacked with steps (29), and the steps (29) assist the telescopic limiting plate (10) to move.
6. The three-axis machining auxiliary cover plate device according to claim 4, characterized in that: The water-proof blade (19) has a threaded hole (1901) at one end, an arc groove (1902) on the upper edge of the water-proof blade (19), and an arc protrusion (1903) on the lower edge of the water-proof blade (19). The water-proof blades (19) are sequentially installed on the straight plate single-hole chain link (2301). The arc protrusion (1903) of the water-proof blade (19) is tightly connected with the arc groove (1902) of the next water-proof blade (19).