Cutting fluid circulation purification device for coupling machining
By designing a compression mechanism, an oil removal mechanism, and a fine filtration mechanism, the problems of clogging, poor oil removal effect, and bacterial growth in the cutting fluid circulation purification device are solved, achieving efficient purification and resource recovery of the cutting fluid, and improving machining accuracy and equipment operation stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHONGLU RAIL EQUIP (CHANGSHU) CO LTD
- Filing Date
- 2025-08-14
- Publication Date
- 2026-07-17
AI Technical Summary
Existing cutting fluid circulation and purification devices are prone to clogging in the solid-liquid separation stage, making waste chip disposal inconvenient, resulting in poor oil removal and bacterial growth, which affects machining accuracy and equipment maintenance costs.
The design incorporates a compression mechanism, an oil removal mechanism, and a fine filtration mechanism. By using an inclined coarse filter plate to compress debris, an air flotation method to remove oil, and centrifugal fine filtration, the design achieves compacted debris collection and efficient purification of the cutting fluid.
It improves the purification efficiency of cutting fluid, reduces storage and transportation costs, extends the service life of cutting fluid, enhances machining accuracy and product quality, and reduces equipment maintenance costs.
Smart Images

Figure CN224506488U_ABST
Abstract
Claims
1. A device for circulating, purifying, and utilizing cutting fluid for coupling machining, comprising a worktable (1), characterized in that: Waste liquid outlet (2) is provided in the middle of the workbench (1). A cutting processing device is provided on the workbench (1). A support leg (4) is fixedly installed at the bottom of the workbench (1). A filter box (3) is provided below the workbench (1). A baffle (5) is movably installed inside the filter box (3). A waste collection bin (6) is movably installed below the baffle (5). An air compressor (7) is provided on the side of the filter box (3). The cutting fluid circulation purification and utilization device for coupling machining includes a compression mechanism, an oil removal mechanism, and a fine filtration mechanism. The compression mechanism includes a workbench (1) and a filter box (3). A liquid guide cover (201) is fixedly installed in the middle position of the workbench (1). Two sets of inclined coarse filter plates (202) are fixedly installed in the filter box (3) with an inclination angle of 30°.
2. The cutting fluid circulation purification utilization device for coupling machining according to claim 1, characterized in that: The coarse filter plate (202) is provided with multiple sets of coarse filter holes (203). The bottom end of the coarse filter plate (202) is provided with a sliding groove (205). A slider (204) is movably installed in the sliding groove (205). The slider (204) is fixedly installed on both sides of the baffle (5). The end of the baffle (5) is provided with a handle.
3. The cutting fluid circulation purification utilization device for coupling machining according to claim 2, characterized in that: The filter box (3) has two sliding grooves (206) on both sides inside. A slider (207) is movably installed in the sliding groove (206). The slider (207) is fixedly installed on both sides of the pressure plate (208). The pressure plate (208) has a sliding groove (209) in the middle. A slider (210) is movably installed in the sliding groove (209). The slider (210) is fixedly installed at the end of the piston rod of the cylinder (211). The cylinder (211) is fixedly installed on the side of the filter box (3).
4. The cutting fluid circulation purification utilization device for coupling machining according to claim 3, characterized in that: The oil removal mechanism includes a filter box (3) and a coarse filter plate (202). A motor (301) is fixedly installed on the side of the filter box (3). The output shaft of the motor (301) is fixedly installed on a screw (302). The screw (302) is a bidirectional screw. Scraper plates (303) are threaded on both sides of the screw (302). A bend (305) is provided near the bottom of the filter box (3). The air inlet end of the bend (305) passes through the filter box (3) and is fixedly installed at the air outlet of the air compressor (7). Multiple sets of air holes (306) are provided on the bend (305).
5. The cutting fluid circulation purification device for coupling machining according to claim 4, characterized in that: The scraper plate (303) is provided with limiting blocks on both sides, and the filter box (3) is provided with limiting grooves that cooperate with the limiting blocks on both sides of the scraper plate (303) on the inner side. The bottom end of the coarse filter plate (202) is fixedly installed with a waste collection trough (304), and a waste collection bin (6) is movably installed in the waste collection trough (304). The end of the waste collection bin (6) is fixedly installed with a handle.
6. The cutting fluid circulation purification utilization device for coupling machining according to claim 5, characterized in that: The fine filtration mechanism includes a filter box (3), a liquid collection box (401) is fixedly installed at the bottom of the filter box (3), and a liquid outlet pipe (402) is provided at the middle position of the bottom of the filter box (3), and a solenoid valve is provided on the liquid outlet pipe (402).
7. The cutting fluid circulation purification device for coupling machining according to claim 6, characterized in that: The bottom of the collection tank (401) is fixedly installed with a second motor (406), the output shaft of the second motor (406) is fixedly installed on a drive shaft (407), the top of the drive shaft (407) is fixedly installed with a centrifuge tank (403), the centrifuge tank (403) is provided with multiple sets of fine filter holes (404), the inner side of the centrifuge tank (403) is lined with a filter membrane, and the collection tank (401) is fixedly installed on the ground by a second support leg (405).