Cooling liquid filtering equipment for numerical control lathe

By employing a multi-stage progressive filtration structure and magnetic adsorption design, the problem of existing coolant filtration equipment being unable to remove fine impurities and metal debris has been solved, achieving high cleanliness of the coolant, simplified cleaning, extended tool life, and improved machining quality.

CN223947436UActive Publication Date: 2026-02-27TIANJIN GUANGYU CNC EQUIP MFG CO LTD
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Patent Information

Application Number
CN202520187716.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-02-27
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

Existing coolant filtration equipment is ineffective at removing fine impurities and metal shavings, resulting in low coolant cleanliness, which affects machining quality and tool life. At the same time, impurity removal is difficult and maintenance costs are high.

Method used

A multi-stage progressive filtration structure was designed, including a sieve plate, a filter tank, and a filter screen. The sieve plate has a larger aperture than the filter tank, and the filter tank has a larger aperture than the filter screen. Combined with magnets to adsorb metal debris, a multi-stage filtration is formed to improve cleanliness.

Benefits of technology

It effectively removes impurities of different particle sizes, improves coolant cleanliness, extends tool life, enhances machining accuracy and surface quality, simplifies impurity cleaning, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of numerical control lathe equipment, in particular to cooling liquid filtering equipment for a numerical control lathe. The cooling liquid filtering equipment for the numerical control lathe comprises a numerical control lathe body, a collecting tank is arranged above the numerical control lathe body, a liquid discharging pipe is arranged on one side of the bottom of the collecting tank, a screening plate is buckled above the collecting tank, the bottom of the collecting tank is a slope with the height gradually decreasing from the middle to the two sides, and the collecting tank is arranged in the collecting tank. The liquid discharging pipe is located at the low point of the slope, meanwhile, a filtering net is arranged at the joint of the liquid discharging pipe and the collecting tank, a collecting hopper is arranged in the collecting tank, a filtering frame is connected to the lower portion of the collecting hopper, liquid discharging openings are formed in the two sides of the bottom of the filtering frame, and the filtering tank is placed between the collecting hopper and the filtering frame; and a plurality of magnets are arranged at the bottom of the filter tank.
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Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control lathe equipment technical field, concretely relates to a cooling liquid filtering equipment for numerical control lathe. BACKGROUND

[0002] In the machining process of numerical control lathe, the cooling liquid plays a vital role, it can reduce the temperature of tool and workpiece, reduce wear and tear, improve machining accuracy and surface quality. At present, the cooling liquid filtering equipment of numerical control lathe on the market is various, the common simple filter screen filtering device is intercepted to the large particle impurities in the cooling liquid through the filter screen, and some adopt the way of multistage filtration, increase the level and effect of filtration.

[0003] The existing cooling liquid filtering equipment has limited filtering effect in the use process, cannot effectively remove the small impurities and metal chips in the cooling liquid, leads to the low cleanliness of cooling liquid, influences machining quality and tool life, in addition, the structure design of part of filtering equipment is unreasonable, the impurity cleaning is difficult, the maintenance cost is higher, and the discharge of cooling liquid is not smooth enough, and it is easy to cause blockage. SUMMARY

[0004] The utility model solves the technical problem that the existing cooling liquid filtering equipment is difficult to effectively remove the small impurities and metal chips in the cooling liquid in the use process, leads to the low cleanliness of cooling liquid, in addition, the impurity cleaning is difficult, and the maintenance cost is higher.

[0005] To solve the above technical problem, the utility model provides a technical scheme that a cooling liquid filtering equipment for numerical control lathe, including numerical control lathe body, the top of numerical control lathe body is provided with collecting groove, and the bottom one side of collecting groove is provided with liquid discharge pipe, the top of collecting groove is buckled with screening board, the bottom of collecting groove is the slope that height gradually declines from middle to both sides, and liquid discharge pipe is located at the low point of slope, and the connecting place of liquid discharge pipe and collecting groove is provided with filter screen, the inside of collecting groove is provided with collecting hopper, and the bottom of collecting hopper is connected with filter frame, the both sides of the bottom of filter frame are provided with liquid discharge port, the filter tank is placed between collecting hopper and filter frame, and the bottom of filter tank is provided with a plurality of magnet.

[0006] As a preferred technical scheme of the utility model, the collecting hopper is the inverted conical table type structure that is big down small and gradually narrows from the outside to the middle, and the edge of collecting hopper is below the edge of screening board, and the screening board is supported.

[0007] As a preferred technical scheme of the utility model, the filter frame is the rectangular structure as a whole, and the liquid discharge port provided at the bottom of filter frame is located at the slope at the both sides of collecting groove, and the lower end surface of liquid discharge port is same with the upper end surface of slope.

[0008] As a preferred technical scheme of the utility model, the filter groove is integrally formed by a metal mesh, and the upper edge of the filter groove is chamfered in parallel with the slope of the collecting bucket.

[0009] As a preferred technical scheme of the utility model, the filter groove is matched with the shape of the filter frame, the depth of the filter groove is less than the height of the filter frame, and a support frame is arranged below the filter groove at the inner edge of the filter frame.

[0010] As a preferred technical scheme of the utility model, the multiple magnets are equidistantly arranged at the bottom of the filter groove, and a corresponding limiting frame is arranged at the bottom of the filter groove.

[0011] As a preferred technical scheme of the utility model, the aperture of the screening plate is greater than the aperture of the filter groove, and the aperture of the filter groove is greater than the aperture of the filter screen.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] The filter equipment is provided with the screening plate, the filter groove and the filter screen, the aperture of the screening plate is greater than the aperture of the filter groove, the aperture of the filter groove is greater than the aperture of the filter screen, a multi-stage progressive filter structure is formed, different particle sizes of impurities in the cooling liquid can be effectively removed, the cleanliness of the cooling liquid is greatly improved, multiple magnets are equidistantly arranged at the bottom of the filter groove, the metal scraps in the cooling liquid can be adsorbed by the magnetism of the magnets, the filtering effect of the magnetic impurities in the cooling liquid is further enhanced, the adverse effects of the metal scraps on the machining process are reduced, the service life of the tool is prolonged, and the machining precision and the surface quality are improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is an axial side structure view of the cooling liquid filter equipment for the numerical control lathe.

[0015] Figure 2 It is a horizontal cross-section stereogram of the cooling liquid filter equipment for the numerical control lathe.

[0016] Figure 3 It is a longitudinal cross-section stereogram of the cooling liquid filter equipment for the numerical control lathe.

[0017] Figure 4 It is a filter groove structure view of the cooling liquid filter equipment for the numerical control lathe.

[0018] As shown in the figure:

[0019] 1, numerical control lathe body; 2, collecting groove; 3, drain pipe; 4, screening plate; 5, filter screen; 6, collecting hopper; 7, filter frame; 8, drain; 9, filter tank; 10, a plurality of magnets; 11, support frame; 12, limiting frame. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] In the description of the utility model, it should be explained that unless there are explicit provisions and limitations, the terms such as ''installation'', ''provided with'', ''connection'' should be understood broadly, for example, ''connection'', which can be fixed connection, can also be detachable connection, or integrally connected, which can be mechanical connection, can also be electrical connection, which can be directly connected, can also be indirectly connected through intermediate medium, which can be the intercommunication of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances. EMBODIMENT

[0022] As shown in the description Figures 1-3 A kind of cooling liquid filter equipment for numerical control lathe as shown in the description, including numerical control lathe body 1, the top of numerical control lathe body 1 is provided with collecting groove 2, and the bottom side of collecting groove 2 is provided with drain pipe 3, the top of collecting groove 2 is hinged with screening plate 4, the bottom of collecting groove 2 is the slope that height gradually drops from middle to both sides, and drain pipe 3 is located at the low point of slope, and drain pipe 3 is provided with filter screen 5 at the connecting place with collecting groove 2;

[0023] In the utility model, collecting hopper 6 is arranged in the inside of collecting groove 2, and filter frame 7 is connected below collecting hopper 6, collecting hopper 6 is inverted conical table type structure of big top small bottom and gradually narrowing from outside to middle, and the edge of collecting hopper 6 is below the edge of screening plate 4, supporting screening plate 4, the bottom of filter frame 7 is provided with drain 8 on both sides, filter frame 7 is overall rectangular structure, the drain 8 provided at the bottom of filter frame 7 is located at the slope on both sides of collecting groove 2, and the lower end surface of drain 8 is same with the upper end surface of slope, filter tank 9 is placed between collecting hopper 6 and filter frame 7, the upper edge of filter tank 9 is chamfer parallel to the slope of collecting hopper 6, filter tank 9 is matched with the shape inside filter frame 7, and the depth of filter tank 9 is less than the height of filter frame 7, and the inside edge of filter frame 7 is provided with support frame 11 below filter tank 9.

[0024] As shown in the descriptionFigure 4 As shown, the filter tank 9 is a tank body structure composed of a metal mesh bending, and the bottom of the filter tank 9 is provided with a plurality of magnets 10, and the plurality of magnets 10 are equidistantly arranged at the bottom of the filter, and the bottom of the filter tank 9 is provided with a corresponding limiting frame 12 at the plurality of magnets 10.

[0025] In the utility model, the aperture of the screening plate 4 is larger than the aperture of the filter tank 9, and the aperture of the filter tank 9 is larger than the aperture of the filter screen 5.

[0026] In the utility model, the screening plate 4 preliminarily intercepts the large-particle impurities in the cooling liquid, preventing the large-particle impurities from entering the subsequent filtering link; then, the cooling liquid flows into the collecting hopper 6 and the filter tank 9, the metal mesh of the filter tank 9 further filters the small-particle impurities, and the magnets are used to magnetically adsorb the metal debris, improving the cleanliness of the cooling liquid; when cleaning, the filter tank 9 is directly taken out for cleaning; finally, the cooling liquid flows to the slope of the collecting tank 2 through the liquid discharge port 8 at the bottom of the filter frame 7, and then is finally filtered through the filter screen 5 at the connecting position of the liquid discharge pipe 3 and the collecting tank 2, ensuring that the cleanliness of the discharged cooling liquid meets the requirements; the slope at the bottom of the collecting tank 2 is beneficial to the discharge of the cooling liquid, avoiding accumulation and blockage of the cooling liquid.

[0027] When cleaning, the large-particle impurities on the screening plate 4 are cleaned periodically, the filter tank 9 is taken out to clean the impurities and the metal debris adsorbed on the plurality of magnets 10, and after a long time of use, the collecting hopper 6 and the filter frame 7 are taken out to check whether the filter screen 5 in the collecting tank 2 is blocked, and if blocked, the filter screen 5 is cleaned or replaced in time.

[0028] The utility model and its implementation mode have been described above, and this description is not restrictive, and the utility model shown in the specific embodiment is only one of the embodiments of the utility model, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, without creative design, similar structure modes and embodiments of the technical scheme are not creative, and all should belong to the protection scope of the utility model.

Claims

1. A coolant filtration device for a CNC lathe, comprising a CNC lathe body (1), a collection tank (2) provided above the CNC lathe body (1), and a drain pipe (3) provided on one side of the bottom of the collection tank (2), and a sieve plate (4) fastened to the top of the collection tank (2), characterized in that: The bottom of the collection tank (2) is a slope that gradually decreases in height from the middle to both sides, and the drain pipe (3) is located at the lowest point of the slope. At the same time, a filter screen (5) is provided at the connection between the drain pipe (3) and the collection tank (2). A collection hopper (6) is provided inside the collection tank (2), and a filter frame (7) is connected below the collection hopper (6). Drain ports (8) are provided on both sides of the bottom of the filter frame (7). A filter tank (9) is placed between the collection hopper (6) and the filter frame (7). Multiple magnets (10) are provided at the bottom of the filter tank (9).

2. The coolant filtration device for CNC lathes according to claim 1, characterized in that: The collecting hopper (6) is an inverted frustum-shaped structure that is larger at the top and smaller at the bottom and gradually decreases in size from the outside to the middle. The edge of the collecting hopper (6) is located below the edge of the screening plate (4) to support the screening plate (4).

3. The coolant filtration device for CNC lathes according to claim 1, characterized in that: The filter frame (7) is a rectangular structure. The drain port (8) at the bottom of the filter frame (7) is located on the slopes on both sides of the collection tank (2), and the lower end face of the drain port (8) is the same as the upper end face of the slope.

4. The coolant filtration device for CNC lathes according to claim 1, characterized in that: The filter tank (9) is a tank structure composed of bent metal mesh, and the upper edge of the filter tank (9) is a chamfer parallel to the inclined surface of the collection hopper (6).

5. A coolant filtration device for CNC lathes according to claim 1, characterized in that: The filter groove (9) matches the shape inside the filter frame (7), and the depth of the filter groove (9) is less than the height of the filter frame (7). A support frame (11) is provided on the inner edge of the filter frame (7) below the filter groove (9).

6. The coolant filtration device for CNC lathes according to claim 1, characterized in that: The plurality of magnets (10) are equidistantly arranged at the bottom of the filter, and the bottom of the filter tank (9) is provided with corresponding limiting frames (12) at the locations of the plurality of magnets (10).

7. A coolant filtration device for CNC lathes according to claim 1, characterized in that: The aperture of the sieve plate (4) is larger than the aperture of the filter tank (9), and the aperture of the filter tank (9) is larger than the aperture of the filter screen (5).