CN112024122A - Three-stage oil filtration system - Google Patents

Abstract

The present application provides a three-stage oil filtration system, including a strong magnetic scraper chip conveyor and an oil tank, wherein the strong magnetic scraper chip conveyor includes an oil receiving pool and an oil outlet pump connected to the oil receiving pool; the oil tank is provided with a magnetic filtering device connected to the oil outlet pump and a bag filter connected to the magnetic filtering device, and the bag filter is connected to the inside of the oil tank. The present application first filters the larger metal waste in the cooling oil through the strong magnetic scraper chip conveyor, then filters the smaller metal waste in the cooling oil through the magnetic filtering device, and finally filters the small metal waste and non-metal waste in the cooling oil through the bag filter. The cooling oil is filtered through the three-stage filtering mechanism of the strong magnetic scraper chip conveyor, the magnetic filtering device and the bag filter, thereby greatly improving the cleanliness of the cooling oil after filtration, effectively improving the filtering effect, and fully meeting the use requirements of machining operations.

Description

Three-stage oil filtration system

【Technical field】

The present application relates to the technical field of cutting fluid filtration, in particular to a three-stage oil filtration system.

【Background technique】

With the increasing progress of modern technology, intelligent and automated CNC manufacturing is also becoming more and more popular. In the process of CNC machining, most of the workpieces or machining tools are magnetic parts, and in the machining process The working fluid is required, and the working fluid includes the cooling oil required in the cutting workpiece, and the cooling oil is mixed with impurities such as iron filings and iron powder generated in the processing and manufacturing process when it is recycled and recycled, and these impurities are mixed in the cooling process. It is easy to cause premature wear of the machining tool in the oil, and at the same time reduce the machining accuracy of the workpiece, thereby reducing the qualified rate of the workpiece, so it directly affects the production efficiency. Particles, etc. are filtered and extracted. Therefore, in order to cooperate with machining operations, it is necessary to design a filtering system with a high-efficiency filtering effect.

[Content of the invention]

In order to improve the filtering effect of machining cooling oil, the present application provides a three-stage oil filtering system.

This application is realized by the following technical solutions:

Three-stage oil filtration system including:

A strong magnetic scraper chip conveyor, which includes an oil receiving pool and an oil outlet pump communicated with the oil receiving pool;

The oil tank is provided with a magnetic filter device communicated with the oil outlet pump and a bag filter communicated with the magnetic filter device, and the bag filter communicates with the inside of the oil tank.

In the above-mentioned three-stage oil filtration system, the oil receiving tank includes an oil receiving groove and an oil outlet groove that are arranged separately, and one end of the oil receiving groove is provided with an overflow port that communicates with the oil outlet groove. A filter screen frame is provided at the position corresponding to the overflow port, and the oil outlet pump is provided at the end of the oil outlet tank away from the filter screen frame, and the oil outlet groove is located between the filter screen frame and the oil outlet pump. There is also a magnetic grid filter assembly in between.

As mentioned above, the three-stage oil filtering system, the magnetic filtering device includes:

A filter cylinder is provided with a filter cavity, the filter cylinder is provided with a cylinder oil inlet and a cylinder oil outlet that communicate with the filter cavity, and the cylinder oil inlet is connected to the oil outlet pump The filter cylinder is movably provided with a strong magnetic rod that can be inserted into the filter cavity.

In the above-mentioned three-stage oil filtration system, the magnetic filter device further comprises a magnetic rod arranged on the filter cylinder for driving the strong magnetic rod to be inserted into the filter cavity or separated from the filter cavity Drive mechanism.

In the above three-stage oil filtering system, the magnetic rod driving mechanism includes a driving cylinder and a fixed plate drivingly connected with the driving cylinder, the fixed plate is provided with a plurality of the strong magnetic rods, and the plurality of The strong magnetic rods are distributed at intervals, and the filter cavity is provided with a plurality of hollow baffles distributed at intervals, and when a plurality of the strong magnetic rods are inserted into the filter cavity, the hollow baffles are located in two places. between the strong magnetic rods.

In the above three-stage oil filtering system, the cylinder oil inlet and the cylinder oil outlet are arranged on opposite sides of the filtering cylinder, and are located in a direction perpendicular to the hollow baffle.

In the above-mentioned three-stage oil filtration system, the bottom of the filter cylinder is provided with a sewage outlet communicating with the filter cavity, and the oil outlet of the cylinder and the sewage outlet are provided with pneumatic quick-install butterfly valves.

In the above-mentioned three-stage oil filtration system, the bag filter includes a filter tank body, the filter tank body is provided with a filter cloth bag, and the filter tank body is provided with a tank body that communicates with the filter cloth bag to feed oil. an oil outlet of the tank body, and the oil tank is communicated with the oil outlet of the tank body.

In the above three-stage oil filtration system, the oil inlet of the tank body is located above the oil outlet of the tank body, and the filter tank body is provided with a tank pressure detector.

In the above-mentioned three-stage oil filtration system, a plurality of turbulence plates arranged at intervals are arranged in the oil tank, one end of the turbulence plate is provided with a communication port, and the communication ports of two adjacent turbulence plates are arranged in a staggered manner .

Compared with the prior art, the present application has the following advantages:

In this application, the large-sized metal scraps in the cooling oil are filtered through a strong magnetic scraper chip conveyor for the first time, then the smaller-sized metal scraps in the cooling oil are filtered through a magnetic filter device, and finally the cooling oil is filtered through a bag filter. Small and medium-sized metal scraps and non-metallic scraps can be filtered through a strong magnetic scraper chip conveyor, a magnetic filter device and a three-stage filter mechanism of a cloth bag filter to filter the cooling oil, which can greatly improve the cleaning of the filtered cooling oil It can effectively improve the filtering effect and fully meet the needs of machining operations.

【Description of drawings】

In order to illustrate the technical solutions in the embodiments of the present application more clearly, the following briefly introduces the accompanying drawings that are used in the description of the embodiments.

Figure 1 is a schematic diagram of a three-stage oil filtration system;

Fig. 2 is the schematic diagram of the strong magnetic scraper chip conveyor;

Fig. 3 is the schematic diagram of magnetic filter device;

4 is a partial cross-sectional view of a magnetic filter device;

Fig. 5 is the internal structure schematic diagram of the bag filter;

Figure 6 is an exploded schematic view of the fuel tank.

【Detailed ways】

In order to make the technical problems, technical solutions and beneficial effects solved by the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application.

When ordinal numbers such as "first" and "second" are mentioned in the embodiments of the present application, unless they really express the meaning of order according to the context, it should be understood that they are only used for distinction.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

The three-stage oil filtration system shown in FIG. 1 includes a strong magnetic scraper chip conveyor 1 and an oil tank 2. The strong magnetic scraper chip conveyor 1 can use the existing strong magnetic scraper chip conveyor 1, and An oil connection pool 11 and an oil outlet pump 12 communicated with the oil connection pool 11 are arranged on the strong magnetic scraper chip conveyor 1 ; a magnetic filter device communicated with the oil outlet pump 12 is arranged on the oil tank 2 3 and a bag filter 4 communicated with the magnetic filter device 3 , and the bag filter 4 is communicated with the interior of the fuel tank 2 . In this embodiment, the large-sized metal scraps in the cooling oil are first filtered by the strong magnetic scraper chip conveyor, and then the smaller-sized metal scraps in the cooling oil are filtered through the magnetic filter device, and finally the cooling oil is filtered through the bag filter. Small-sized metal waste and non-metal waste in the liquid are filtered by the strong magnetic scraper chip conveyor, magnetic filter device and bag filter three-stage filter mechanism, which can greatly improve the cooling oil after filtering. Cleanliness, effectively improve the filtering effect, and fully meet the needs of machining operations.

Further, as shown in FIG. 2 , the oil receiving tank 11 includes an oil receiving groove 111 and an oil outlet groove 112 arranged separately. The oil receiving groove 111 is used to receive the cooling oil output by the machine tool, and the oil receiving groove 111 is provided with The working conveying magnetic plate is used to magnetically adsorb the metal waste in the cooling oil and convey it to the designated place. One end of the oil receiving groove 111 is provided with an overflow port 113 that communicates with the oil outlet groove 112. The cooling oil in the oil receiving groove 111 flows into the oil outlet groove 112 through the overflow port 113. A filter screen frame 114 is provided at the position corresponding to the overflow port 113. When the cooling oil flows through the filter screen frame 114, the filter screen frame 114 can filter the large-sized metal waste and non-metal waste in the cooling oil. The oil outlet pump 12 is provided at one end of the oil outlet groove 112 away from the filter screen frame 114 , and a magnetic grid filter assembly is also arranged in the oil outlet groove 112 between the filter screen frame 114 and the oil outlet pump 12 . 115, the magnetic grid filter assembly 115 is used to magnetically adsorb the metal waste in the cooling oil again before the oil outlet pump 12 sends the cooling oil to the magnetic filter device, so as to further magnetically filter the cooling oil.

Further, as shown in FIG. 3 and FIG. 4 , the magnetic filter device 3 includes a filter cylinder 31 , a filter cavity 32 is arranged in the filter cylinder 31 , and the filter cylinder 31 is provided with the filter The cylinder body oil inlet 33 and the cylinder body oil outlet 34 communicate with each other in the cavity 32, the cylinder body oil inlet 33 is communicated with the oil outlet pump 12, and the filter cylinder body 31 is movably provided with a cylinder that can be inserted into the cylinder. The strong magnetic rod 35 in the filter cavity 32 is described. The oil outlet pump transports the cooling oil to the oil inlet 33 of the cylinder body, and flows into the filter cavity 32 through the oil inlet 33 of the cylinder body. The strong magnetic rod 35 in the filter cavity 32 generates strong magnetism to magnetically adsorb the metal in the cooling oil. scrap.

Further, the magnetic filter device 3 further includes a magnetic rod driving mechanism arranged on the filter cylinder 31 for driving the strong magnetic rod 35 to insert into the filter cavity 32 or to separate from the filter cavity 32 . 36. When it is necessary to remove the metal waste adsorbed on the strong magnetic rod, the strong magnetic rod 35 is driven out of the filter cavity 32 by the magnetic rod driving mechanism 36 so as to remove the metal waste on the strong magnetic rod 35 .

Further, the magnetic rod driving mechanism 36 includes a driving cylinder 361 and a fixing plate 362 that is drivingly connected with the driving cylinder 361. In order to improve the magnetic adsorption efficiency of the magnetic filter device, the fixing plate 362 is provided with a plurality of the Strong magnetic rods 35, and a plurality of the strong magnetic rods 35 are distributed at intervals, and a plurality of hollow baffles 37 are arranged in the filter cavity 32 at intervals. When each of the strong magnetic rods 35 is inserted into the filter cavity 32, the hollow baffle 37 is located between the two strong magnetic rods 35, the cylinder oil inlet 33 and the cylinder oil outlet 34 They are arranged on opposite sides of the filter cylinder 31 and are located in a direction perpendicular to the hollow baffle 37 . After the cooling oil flows into the filter cavity, it is blocked by the hollow baffle 37, which will slow down the flow rate of the cooling oil, so that the strong magnetic rod 35 can absorb the metal waste in the cooling oil more efficiently.

Further, in order to facilitate the removal of metal waste left in the filter cavity, the bottom of the filter cylinder 31 is provided with a sewage outlet 38 that communicates with the filter cavity 32. The opening and closing of the sewage outlet 38 , the cylinder oil outlet 34 and the sewage outlet 38 are provided with a pneumatic quick-install butterfly valve 39 .

Further, as shown in FIG. 5 , the bag filter 4 includes a filter tank body 41 , a filter cloth bag 42 is arranged in the filter tank body 41 , and a filter cloth bag 42 is arranged on the filter tank body 41 . The tank body oil inlet 43 and the tank body oil outlet 44 communicate with each other, and the oil tank 2 is communicated with the tank body oil outlet 44. Specifically, in order to enable the filter bag 42 to effectively filter the cooling oil, the The tank oil inlet 43 is located above the tank oil outlet 44 .

Further, in order to monitor the pressure in the filter tank 41 in real time, the filter tank 41 is provided with a tank pressure detector 45 .

Further, as shown in FIG. 6 , the oil tank 2 is provided with a plurality of turbulent flow plates 21 arranged at intervals, and one end of the turbulent flow plate 21 is provided with a communication port, and the communication between two adjacent turbulent flow plates 21 The ports are arranged in a staggered manner, and the cooling oil in the oil tank can flow along the S-shape by setting the turbulent plate 21 .

The working principle of this embodiment is as follows:

In this embodiment, the large-sized metal scraps in the cooling oil are first filtered by the strong magnetic scraper chip conveyor, and then the smaller-sized metal scraps in the cooling oil are filtered through the magnetic filter device, and finally the cooling oil is filtered through the bag filter. Small-sized metal waste and non-metal waste in the liquid are filtered by the strong magnetic scraper chip conveyor, magnetic filter device and bag filter three-stage filter mechanism, which can greatly improve the cooling oil after filtering. Cleanliness, effectively improve the filtering effect, and fully meet the needs of machining operations.

The above are various embodiments provided in combination with specific contents, and it is not construed that the specific implementation of the present application is limited to these descriptions. Any method, structure, etc. that are similar to or similar to those of the present application, or some technical deductions or substitutions are made on the premise of the concept of the present application, shall be regarded as the protection scope of the present application.

Claims (10)

1. Tertiary oil filtration system, its characterized in that includes:

the strong magnetic scraper chip removal machine (1) comprises an oil receiving pool (11) and an oil outlet pump (12) communicated with the oil receiving pool (11);

the oil tank (2) is provided with a magnetic filtering device (3) communicated with the oil outlet pump (12) and a cloth bag type filter (4) communicated with the magnetic filtering device (3), and the cloth bag type filter (4) is communicated with the inside of the oil tank (2).

2. The three-stage oil filtering system according to claim 1, wherein the oil receiving tank (11) comprises an oil receiving tank (111) and an oil outlet tank (112) which are separately arranged, an overflow port (113) communicated with the oil outlet tank (112) is arranged at one end of the oil receiving tank (111), a filter screen frame (114) is arranged in the oil outlet tank (112) at a position corresponding to the overflow port (113), the oil outlet pump (12) is arranged at one end of the oil outlet tank (112) far away from the filter screen frame (114), and a magnetic grid filtering assembly (115) is further arranged in the oil outlet tank (112) between the filter screen frame (114) and the oil outlet pump (12).

3. Three-stage oil filtering system according to claim 1, characterized in that said magnetic filtering device (3) comprises:

the oil pump filter is characterized by comprising a filtering cylinder body (31), a filtering cavity (32) is arranged in the filtering cylinder body (31), a cylinder body oil inlet (33) and a cylinder body oil outlet (34) which are communicated with the filtering cavity (32) are formed in the filtering cylinder body (31), the cylinder body oil inlet (33) is communicated with the oil outlet pump (12), and a strong magnetic rod (35) which can be inserted into the filtering cavity (32) is movably arranged in the filtering cylinder body (31).

4. The three-stage oil filtering system according to claim 3, wherein the magnetic filtering device (3) further comprises a magnetic rod driving mechanism (36) disposed on the filtering cylinder (31) for driving the strong magnetic rod (35) to be inserted into the filtering chamber (32) or separated from the filtering chamber (32).

5. The three-stage oil filtering system according to claim 4, wherein the magnetic rod driving mechanism (36) comprises a driving cylinder (361) and a fixing plate (362) in transmission connection with the driving cylinder (361), the fixing plate (362) is provided with a plurality of the strong magnetic rods (35) which are distributed at intervals, a plurality of hollowed-out baffles (37) which are distributed at intervals are arranged in the filtering cavity (32), and when the plurality of strong magnetic rods (35) are inserted into the filtering cavity (32), the hollowed-out baffles (37) are positioned between the two strong magnetic rods (35).

6. The three stage oil filtration system of claim 5, wherein the cylinder oil inlet (33) and cylinder oil outlet (34) are disposed on opposite sides of the filtration cylinder (31) in a direction perpendicular to the hollowed out baffle (37).

7. The three-stage oil filtering system according to claim 3, wherein a sewage draining outlet (38) communicated with the filtering cavity (32) is formed in the bottom of the filtering cylinder body (31), and a pneumatic fast-assembling butterfly valve (39) is arranged on the cylinder body oil outlet (34) and the sewage draining outlet (38).

8. The three-stage oil filtering system according to claim 1, wherein the bag filter (4) comprises a filtering tank (41), a filtering cloth bag (42) is arranged in the filtering tank (41), a tank oil inlet (43) and a tank oil outlet (44) which are communicated with the filtering cloth bag (42) are arranged on the filtering tank (41), and the oil tank (2) is communicated with the tank oil outlet (44).

9. The tertiary oil filtration system of claim 8, wherein the tank oil inlet (43) is located above the tank oil outlet (44), and the filtration tank (41) is provided with a tank pressure detector (45).

10. The three-stage oil filtering system according to claim 1, wherein a plurality of turbulence plates (21) are arranged in the oil tank (2) at intervals, one end of each turbulence plate (21) is provided with a communication port, and the communication ports of two adjacent turbulence plates (21) are arranged in a staggered manner.

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