Grinding oil filtering device of grinding machine

Abstract

The utility model provides a grinding oil filtering device of a grinding machine, which comprises a material receiving hopper connected to the bottom of a grinding machine workbench, the bottom of the material receiving hopper is communicated with the top of a collecting box, a filter screen cover connected with the bottom of the material receiving hopper is arranged in the collecting box, and one side of the bottom of the filter screen cover is connected with a waste material pipe penetrating through the collecting box. A connecting shaft is rotationally arranged in the filter screen cover, one end of the connecting shaft penetrates out of the filter screen cover and is fixedly connected with a motor, the connecting shaft located in the filter screen cover is coaxially connected with a spiral blade, and the bottom of the spiral blade is in clearance fit with the inner bottom surface of the filter screen cover; one side of the collecting box is connected with a circulating pump through a liquid outlet pipe, and a liquid outlet of the circulating pump is connected with a grinding oil spray head arranged on a grinding machine workbench through a conveying pipe. According to the utility model, accumulated scrap iron can be conveyed into the waste pipe, and filtered grinding oil can be recycled under the conveying of the circulating pump, so that the grinding oil is effectively saved, and meanwhile, the filtering efficiency and quality are improved.

Description

Technical Field

[0001] This utility model relates to the field of grinding oil filtration technology, specifically to a device for filtering grinding oil in a grinding machine. Background Technology

[0002] Grinding oil is the most commonly used cooling oil in machine tools. It is mainly used to cool machine parts and extend their service life. In order to reduce operating costs, used grinding oil usually needs to be recycled and reused. At this time, grinding oil filtration devices are needed to filter the recycled grinding oil.

[0003] Existing grinding oil filtration devices have poor filtration efficiency, resulting in a high amount of impurities. Furthermore, the filter plates have low filtration efficiency, and the grinding oil contains a large amount of iron filings from the workpiece, which easily clog the filter screen, further reducing filtration efficiency. Therefore, we propose a device for filtering grinding oil in grinding machines. Utility Model Content

[0004] Existing grinding oil filtration devices suffer from poor filtration efficiency, high impurity levels, and low filtration efficiency of the filter plates. Furthermore, the grinding oil contains a large amount of iron filings from the workpiece, which easily clog the filter screen, further reducing filtration efficiency. This invention provides a device for filtering grinding oil in a grinding machine. It can transport accumulated iron filings to a waste pipe for discharge, and the grinding oil can be recycled, effectively saving grinding oil. This invention addresses the problems mentioned in the background section, improving both filtration efficiency and quality.

[0005] The technical solution of this utility model is implemented as follows: A device for filtering grinding oil in a grinding machine includes a receiving hopper connected to the bottom of the grinding machine's worktable. The bottom of the receiving hopper is connected to the top of a collection box. A filter screen connected to the bottom of the receiving hopper is installed inside the collection box, and a waste pipe penetrating the collection box is connected to one side of the bottom of the filter screen. A connecting shaft is rotatably installed inside the filter screen. One end of the connecting shaft passes through the outside of the filter screen and is fixedly connected to a motor. A spiral blade is coaxially connected to the connecting shaft inside the filter screen. The bottom of the spiral blade is clearance-fitted with the inner bottom surface of the filter screen. One side of the collection box is connected to a circulating pump through an outlet pipe. The outlet of the circulating pump is connected to a grinding oil nozzle installed on the grinding machine's worktable through a delivery pipe.

[0006] Optionally, the bottom of the receiving hopper is connected to a discharge pipe, the top of the collection box is secured with a sealing cover, the bottom of the discharge pipe is connected to the sealing cover, and the filter screen is connected to the inner top surface of the sealing cover through the first skirt.

[0007] Optionally, the sealing cap is connected to the top of the collection box via a second skirt.

[0008] Optionally, a filter plate is connected inside the collection tank, and the filter plate is located above the outlet pipe.

[0009] Optionally, a ring-shaped support is fastened to the inner wall of the collection box, and the filter plate is fastened to the top of the support.

[0010] Optionally, a placement chamber is provided inside the grinding machine worktable, and a bottom support is slidably connected inside the placement chamber. The collection box and the circulation pump are both fixed to the top of the bottom support.

[0011] Optionally, a slide rail is fastened to the inner bottom surface of the grinding machine worktable, and the bottom of the bottom support is connected to the slide rail via a slider.

[0012] Optionally, the end of the waste pipe is connected to the waste bin, and several through holes are opened on the waste pipe located inside the collection bin.

[0013] Optionally, it also includes a control switch, a level gauge connected to the inner wall of the collection tank, and the level gauge, circulation pump, and motor are all connected to the control switch.

[0014] Compared with the prior art, this utility model filters the grinding oil flowing into it through a filter screen, thus removing iron filings and other impurities. The grinding oil then falls into a collection box under gravity for collection. Under the control of a motor, the spiral blades rotate, which transports the accumulated iron filings to a waste pipe for discharge. The filtered grinding oil is then transported by a circulating pump and sprayed out through a grinding oil nozzle for reuse, effectively saving grinding oil. At the same time, in order to improve the filtration efficiency and quality. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the internal structure of this utility model.

[0018] Figure 3 This is a schematic diagram of the internal structure of the collection box of this utility model.

[0019] Figure 4 This is a schematic diagram showing the connection between the spiral blades and the filter screen of this utility model.

[0020] Figure 5 This is a schematic diagram showing the connection between the filter screen and the sealing cap of this utility model.

[0021] Figure 6 This is a schematic diagram showing the connection between the spiral blade and the connecting shaft of this utility model.

[0022] In the diagram: 1. Grinding oil nozzle; 2. Grinding machine worktable; 3. Receiving hopper; 4. Feeding pipe; 5. Sealing cover; 6. Conveying pipe; 7. Circulating pump; 8. Discharge pipe; 9. Slide rail; 10. Slider; 11. Waste pipe; 12. Motor; 13. Bottom support; 14. Waste bin; 15. Filter screen; 16. Filter plate; 17. Support base; 18. Spiral blade; 19. Connecting shaft; 20. First skirt; 21. Collection box; 22. Through hole; 23. Second skirt; 24. Control switch; 25. Level gauge. Detailed Implementation

[0023] The technical solution of this utility model will be clearly and completely described below with reference to its embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0024] Reference Figures 1 to 6 This utility model provides a technical solution: a device for filtering grinding oil in a grinding machine, including a receiving hopper 3 connected to the bottom of the grinding machine worktable 2. The bottom of the receiving hopper 3 is connected to the top of the collection box 21. To facilitate the rapid falling of grinding oil, a discharge pipe 4 is connected to the bottom of the receiving hopper 3, and a sealing cover 5 is fastened to the top of the collection box 21. At the same time, to facilitate the installation and disassembly of the collection box 21 and the sealing cover 5, the sealing cover 5 is connected to the top of the collection box 21 through a second skirt 23. The bottom of the discharge pipe 4 is connected to the sealing cover 5. A filter screen 15 connected to the bottom of the receiving hopper 3 is set inside the collection box 21. The filter screen 15 is connected to the inner top surface of the sealing cover 5 through a first skirt 20. After the grinding oil flows from the receiving hopper 3 onto the filter screen 15, the iron filings and impurities in the grinding oil can be filtered out by the filtering action of the filter screen 15. The grinding oil then falls into the collection box 21 for collection under the action of gravity.

[0025] like Figure 3 , 4As shown in Figure 6, a connecting shaft 19 is rotatably installed inside the filter screen 15. One end of the connecting shaft 19 extends through to the outside of the filter screen 15 and is fixedly connected to the motor 12. A spiral blade 18 is coaxially connected to the connecting shaft 19 inside the filter screen 15. The bottom of the spiral blade 18 is clearance-fitted with the inner bottom surface of the filter screen 15. After the filtered iron filings and impurities accumulate on the inner top surface of the filter screen 15, the motor 12 controls the connecting shaft 19 to rotate, causing the spiral blade 18 to rotate inside the filter screen 15. This can transfer the accumulated iron filings to one end of the filter screen 15. A waste pipe 11 that passes through the collection box 21 is connected to one side of the bottom of the filter screen 15. Impurities fall into the waste pipe 11 for discharge. In use, the end of the waste pipe 11 is connected to the waste box 14 to collect iron filings and impurities. To prevent excess grinding oil from flowing into the waste box 14, several through holes 22 are opened on the waste pipe 11 inside the collection box 21 to ensure sufficient filtration of the grinding oil.

[0026] like Figure 2 , 3 As shown, one side of the collection box 21 is connected to the circulation pump 7 via the outlet pipe 8. The outlet of the circulation pump 7 is connected to the grinding oil nozzle 1 set on the grinding machine worktable 2 via the delivery pipe 6. The filtered grinding oil is sprayed out through the grinding oil nozzle 1 under the transportation of the circulation pump 7 for reuse, effectively saving grinding oil. At the same time, in order to improve the filtration efficiency and quality, a filter plate 16 is connected inside the collection box 21, and a ring-shaped support base 17 is fastened to the inner wall of the collection box 21. The filter plate 16 is fastened to the top of the support base 17 with bolts. This not only allows for secondary filtration of the grinding oil, but also makes it convenient for users to install and replace the filter plate 16. The filter plate 16 is located above the outlet pipe 8.

[0027] In summary, the grinding oil filtering device for this grinding machine has a placement chamber inside the grinding machine worktable 2. A bottom support 13 is slidably connected inside the placement chamber. The collection box 21 and the circulation pump 7 are both fastened to the top of the bottom support 13. A slide rail 9 is fastened to the inner bottom surface of the grinding machine worktable 2. The bottom of the bottom support 13 is connected to the slide rail 9 via a slider 10. An inspection port is opened on the side wall of the grinding machine worktable 2, and a sealing door is connected to the inspection port. By opening and closing the sealing door, the operator can easily inspect the mechanism inside the grinding machine worktable 2. During inspection, the sealing cover 5 is removed from the top of the collection box 21, and the bottom support 13 is pulled to pull the device on the top of the bottom support 13 out of the placement chamber of the grinding machine worktable 2, which greatly facilitates the inspection work. This utility model also includes a control switch 24. A level gauge 25 is connected to the inner wall of the collection box 21. The level gauge 25, the circulation pump 7, and the motor 12 are all connected to the control switch 24.

[0028] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A device for filtering grinding oil in a grinding machine, comprising a receiving hopper (3) connected to the bottom of the worktable (2) of the grinding machine, characterized in that, The bottom of the receiving hopper (3) is communicated with the top of the collecting box (21), a filter cover (15) is arranged in the collecting box (21) and connected with the bottom of the receiving hopper (3), and the bottom side of the filter cover (15) is connected with a waste pipe (11) penetrating through the collecting box (21); A connecting shaft (19) is rotatably arranged in the filter cover (15), one end of the connecting shaft (19) penetrates to the outside of the filter cover (15) and is fixedly connected with a motor (12), a helical blade (18) is coaxially connected on the connecting shaft (19) in the filter cover (15), and the bottom of the helical blade (18) is gap-fitted with the inner bottom surface of the filter cover (15); One side of the collecting box (21) is connected with a circulating pump (7) through a liquid outlet pipe (8), and the liquid outlet of the circulating pump (7) is connected with a grinding oil spray head (1) arranged on the grinding machine workbench (2) through a conveying pipe (6).

2. The apparatus of claim 1 wherein, The bottom of the receiving hopper (3) is connected with a discharging pipe (4), the top of the collecting box (21) is tightly sealed with a sealing cover (5), the bottom of the discharging pipe (4) is communicated with the sealing cover (5), and the filter cover (15) is connected with the inner top surface of the sealing cover (5) through a first skirt (20).

3. The apparatus of claim 2 wherein, The sealing cover (5) and the top of the collecting box (21) are connected through a second skirt (23).

4. The apparatus of claim 1 wherein, A filter plate (16) is connected in the collecting box (21), and the filter plate (16) is located above the liquid outlet pipe (8).

5. The apparatus of claim 4 wherein, A support seat (17) in an annular structure is fastened on the inner wall of the collecting box (21), and the filter plate (16) is fastened on the top of the support seat (17).

6. The apparatus of any one of claims 1-5, wherein, A placing chamber is arranged in the grinding machine workbench (2), a bottom support (13) is slidably connected in the placing chamber, and the collecting box (21) and the circulating pump (7) are fastened on the top of the bottom support (13).

7. The apparatus of claim 6 wherein, A sliding rail (9) is fastened on the inner bottom surface of the grinding machine workbench (2), and the bottom of the bottom support (13) is connected with the sliding rail (9) through a sliding block (10).

8. The apparatus of claim 6 wherein, The end of the waste pipe (11) is connected with a waste box (14), and a plurality of through holes (22) are formed in the waste pipe (11) located in the collecting box (21).

9. The apparatus of claim 6 wherein, A control switch (24) is further included, a liquid level meter (25) is connected on the inner wall of the collecting box (21), and the liquid level meter (25), the circulating pump (7) and the motor (12) are connected with the control switch (24).

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