Cutting fluid filtering device for numerical control machine tool

Abstract

The utility model discloses a cutting fluid filtering device for a numerical control machine tool, and relates to the technical field of machining. The cutting fluid filtering device for the numerical control machine tool comprises a first-stage filtering mechanism and a second-stage filtering mechanism which are connected up and down, the first-stage filtering mechanism comprises a cylindrical box body, a spiral first-stage filtering plate arranged in the cylindrical box body, and an inserting pipe fixed at the bottom of the cylindrical box body; a feeding hole is formed in the top of the first-stage filter plate, and the bottom of the first-stage filter plate is connected with an inlet of the inserting pipe; the second-stage filtering mechanism comprises a box body, a second-stage filtering plate horizontally fixed in the box body, a motor box arranged on the second-stage filtering plate, a motor arranged in the motor box, a rotating disc fixed on a main shaft of the motor, and a filtering sieve barrel fixed on the rotating disc; and a plurality of sieve holes are formed in the peripheral wall of the filter sieve barrel. According to the cutting fluid filtering device for the numerical control machine tool, provided by the utility model, the filtering device has a better filtering effect on metal impurities and is convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of machining, in particular to a filtering device for cutting fluid used in numerically controlled machine tools. Background Art

[0002] In the machining process of CNC machine tools, a large amount of cutting fluid is used for lubrication and cooling in the metal cutting, grinding and other processing processes, and the cutting fluid is generally recycled. However, the recycled cutting fluid is mixed with a lot of metal impurities such as iron filings. If such recycled cutting fluid is directly used for cooling operations, it may cause workpiece wear, low workpiece processing accuracy or tool damage.

[0003] At present, when cutting fluid is recycled, it is necessary to filter and remove metal impurities and perform subsequent separation operations such as oil-water separation. In this regard, the inventor believes that in the filtering and removing operations of metal impurities, some cutting fluid filtering devices have poor filtering and removing effects, which affects the quality of the recycled cutting fluid. Therefore, how to design a filtering device with better filtering and removing effects on metal impurities is a technical problem that needs to be solved in the current field of machining technology.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art already known to a person skilled in the art. Utility Model Content

[0005] In view of the above technical problems, the embodiment of the utility model provides a filtering device for cutting fluid for CNC machine tools to solve the problems raised in the above background technology.

[0006] The utility model provides the following technical solutions:

[0007] A filtering device for cutting fluid for a numerically controlled machine tool, comprising: a primary filtering mechanism and a secondary filtering mechanism connected up and down;

[0008] The primary filtering mechanism includes a cylindrical box, a spiral primary filtering plate arranged in the cylindrical box, and a plug-in tube fixed to the bottom of the cylindrical box; a feed port is arranged on the top of the primary filtering plate, and the bottom of the primary filtering plate is connected to the inlet of the plug-in tube;

[0009] The secondary filtering mechanism comprises a box body, a secondary filtering plate horizontally fixed in the box body, a motor box arranged on the secondary filtering plate, a motor arranged in the motor box, a rotating disk fixed on the main shaft of the motor, and a filtering screen barrel fixed on the rotating disk; a plurality of sieve holes are arranged on the peripheral wall of the filtering screen barrel;

[0010] Among them, a plug hole is arranged on the top plate of the box body, and the primary filtering mechanism is plugged into the plug hole on the top plate of the box body through a plug-in tube; and a discharge pipe is arranged on the bottom plate of the box body.

[0011] Preferably, a plurality of bolts are provided on the rotating disk, and the plurality of bolts are arranged in a circular array with the axis of the rotating disk as the center; a plurality of mounting holes matching the bolts are provided on the bottom plate of the filter screen barrel, the mounting holes of the filter screen barrel are plugged into the bolts, and nuts are connected to the bolts for locking.

[0012] Preferably, two inclined and symmetrically arranged material guide plates are arranged in the box below the secondary filter plate.

[0013] Preferably, a switch door is provided on one side of the box body.

[0014] Preferably, legs are provided at the bottom of the box.

[0015] The embodiment of the utility model provides a filtering device for cutting fluid for CNC machine tools, which has the following beneficial effects: The utility model designs a filtering device for cutting fluid for CNC machine tools, which has a better filtering effect on metal impurities, is easy to operate, and improves working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model after the switch door is removed;

[0018] Figure 3 For this utility model Figure 2 Cross-section view in the AA direction;

[0019] Figure 4 For this utility model Figure 3 A partial enlarged view of B in the middle;

[0020] Figure 5 This is a schematic diagram of the structure of the filter screen barrel in the utility model;

[0021] Figure 6 It is a structural schematic diagram of the primary filtering mechanism in the utility model;

[0022] Figure 7 This is a structural schematic diagram of the first-level filtering mechanism of the utility model after removing the cylindrical box body;

[0023] Figure 8 This is a structural schematic diagram of angle 2 after the cylindrical box body is removed from the primary filtering mechanism of the utility model. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1-Figure 8 .

[0026] In view of the problems mentioned in the above background technology, the embodiment of the utility model provides a filtering device for cutting fluid for CNC machine tools to solve the above technical problems, and its technical solution is as follows:

[0027] A filtering device for cutting fluid for a numerically controlled machine tool, comprising a primary filtering mechanism 110 and a secondary filtering mechanism 120 connected in an upper and lower manner; the primary filtering mechanism 110 and the secondary filtering mechanism 120 are plug-connected, and the primary filtering mechanism 110 can be unplugged from above the secondary filtering mechanism 120 for cleaning when necessary;

[0028] The primary filtering mechanism 110 includes a cylindrical housing 111, a spiral primary filtering plate 113 disposed in the cylindrical housing 111, and a plug-in tube 114 fixed to the bottom of the cylindrical housing 111; a feed port 112 is disposed at the top of the primary filtering plate 113, and the bottom of the primary filtering plate 113 is connected to the inlet of the plug-in tube 114;

[0029] The secondary filtering mechanism 120 includes a box body 121, a secondary filtering plate 126 horizontally fixed in the box body 121, a motor box 122 arranged on the secondary filtering plate 126, a motor arranged in the motor box 122, a rotating disk 124 fixed on the main shaft of the motor, and a filtering screen barrel 123 fixed on the rotating disk 124; a plurality of strip-shaped screen holes are arranged on the peripheral wall of the filtering screen barrel 123; the filtering screen barrel 123 is located directly below the plug-in tube 114;

[0030] A plug hole is provided on the top plate of the box body 121 , and the primary filtering mechanism 110 is plugged into the plug hole on the top plate of the box body 121 through the plug tube 114 ; a discharge pipe 128 is provided on the bottom plate of the box body 121 .

[0031] In this embodiment, a plurality of bolts 125 are provided on the rotating disk 124, and the plurality of bolts 125 are arranged in a circular array with the axis of the rotating disk 124 as the center; a plurality of mounting holes 123a matching the bolts 125 are provided on the bottom plate of the filter screen barrel 123, and the mounting holes 123a of the filter screen barrel 123 are inserted into the bolts 125, and nuts are connected to the bolts 125 for locking.

[0032] The filter screen barrel 123 is connected to the rotating disk 124 by bolts 125 . When necessary, the filter screen barrel 123 can be removed from above the rotating disk 124 for cleaning; after cleaning, the filter screen barrel 123 can be fixed on the rotating disk 124 .

[0033] In this embodiment, two inclined and symmetrically arranged guide plates 127 are arranged in the box body 121 below the secondary filter plate 126; the guide plates 127 can smoothly guide the filtered cutting fluid into the discharge pipe 128, and the cutting fluid flows out from the discharge pipe 128 for collection.

[0034] In this embodiment, a switch door is provided on one side of the box body 121 ; the switch door is provided to facilitate opening the box body 121 and cleaning the inside of the box body 121 .

[0035] In this embodiment, the bottom of the box body 121 is provided with supporting legs; the supporting legs are the supporting structure of the entire device.

[0036] The method of using a filtering device for cutting fluid for a CNC machine tool provided by the embodiment of the utility model is as follows:

[0037] 1. The worker pours the cutting fluid into the feed port 112 of the primary filter mechanism 110. Under the action of gravity, part of the cutting fluid will directly and continuously pass through the filter holes on the multi-layer primary filter plate 113 and fall into the secondary filter mechanism 120 through the plug-in tube 114; the remaining cutting fluid will spiral downward along the spiral primary filter plate 113 until it falls into the secondary filter mechanism 120 through the plug-in tube 114; the large particles of metal impurities mixed in the cutting fluid will be left on the primary filter plate 113 for primary separation;

[0038] 2. The cutting fluid that falls into the secondary filtering mechanism 120 will directly fall into the filter screen barrel 123, and the motor will drive the filter screen barrel 123 to rotate. The filter screen barrel 123 will rotate rapidly under the action of the motor, and part of the cutting fluid will pass through the sieve holes on the filter screen barrel 123 and fall onto the secondary filter plate 126, and the remaining cutting fluid will be thrown onto the inner wall of the filter screen barrel 123. The cutting fluid will fall back into the filter screen barrel 123 under the action of gravity and will continue to be thrown out of the filter screen barrel 123 until all the cutting fluid is thrown out of the filter screen barrel 123. All the cutting fluid will be separated again on the secondary filter plate 126 and will flow out from the discharge pipe 128 for collection, thus completing the filtering and impurity removal operation.

[0039] The embodiment of the utility model provides a filtering device for cutting fluid for CNC machine tools, which has the following beneficial effects: The utility model designs a filtering device for cutting fluid for CNC machine tools, which has a better filtering effect on metal impurities, is easy to operate, and improves working efficiency.

[0040] The device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, and may be located in one place or distributed over multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0041] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0042] It is understandable that those skilled in the art can make equivalent substitutions or changes based on the technical solution and concept of the utility model, and all these changes or substitutions should fall within the protection scope of the claims attached to the utility model.

Claims

1. A filtering device for cutting fluid for CNC machine tools, characterized in that: include: A primary filtering mechanism and a secondary filtering mechanism connected up and down; The primary filtering mechanism includes a cylindrical box, a spiral primary filtering plate arranged in the cylindrical box, and a plug-in tube fixed to the bottom of the cylindrical box; a feed port is arranged on the top of the primary filtering plate, and the bottom of the primary filtering plate is connected to the inlet of the plug-in tube; The secondary filtering mechanism comprises a box body, a secondary filtering plate horizontally fixed in the box body, a motor box arranged on the secondary filtering plate, a motor arranged in the motor box, a rotating disk fixed on the main shaft of the motor, and a filtering screen barrel fixed on the rotating disk; a plurality of sieve holes are arranged on the peripheral wall of the filtering screen barrel; Among them, a plug hole is arranged on the top plate of the box body, and the primary filtering mechanism is plugged into the plug hole on the top plate of the box body through a plug-in tube; and a discharge pipe is arranged on the bottom plate of the box body.

2. The filtering device for cutting fluid for CNC machine tools according to claim 1, characterized in that: A plurality of bolts are arranged on the rotating disk, and the plurality of bolts are arranged in a circular array with the axis of the rotating disk as the center; a plurality of mounting holes matching the bolts are arranged on the bottom plate of the filter screen barrel, the mounting holes of the filter screen barrel are plugged into the bolts, and nuts are connected to the bolts for locking.

3. The filtering device for cutting fluid for CNC machine tools according to claim 1, characterized in that: Two inclined and symmetrically arranged material guide plates are arranged in the box below the secondary filter plate.

4. The filtering device for cutting fluid for CNC machine tools according to claim 1, characterized in that: A switch door is arranged on one side of the box body.

5. The filtering device for cutting fluid for CNC machine tools according to claim 1, characterized in that: The bottom of the box body is provided with supporting legs.

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