TWM636441U - Cutting fluid filtering system - Google Patents

Abstract

A cutting fluid filtration system, which includes a water tank, a chip flushing device, a centrifugal filter, a centrifugal pump, and a sludge tank, the chip flushing device has a water spray pipe extending into the water tank, the water spray pipe has At least one water spray port; the centrifugal filter has a first water inlet connector, a first water outlet connector, and a silt discharge connector, the centrifugal pump is connected between the water tank and the first water inlet connector, and drives the water in the water tank The cutting fluid enters the centrifugal filter from the first water inlet joint; the first water outlet joint communicates with the water tank, which is used to output the cutting fluid filtered by the centrifugal filter, and let the filtered cutting fluid with higher cleanliness The liquid returns to the water tank, and the silt discharge joint communicates with the silt tank to output the impurities separated by the centrifugal filter.

Description

Cutting Fluid Filtration System

The present invention relates to a cutting fluid filtering system of a machine tool, in particular to a cutting fluid filtering system capable of effectively filtering dust-type chips.

When the machine tool is processing, cutting fluid is usually used to cool and lubricate the tool and the workpiece; the used cutting fluid will be collected into a water tank for filtration, and a filter screen or filter box is installed in the water tank, and the filter screen or filter box is used to The tank intercepts the chips entrained in the coolant, filters out the chips entrained in the cutting fluid, and then returns the filtered cutting fluid to the cutting fluid system of the machine tool for recycling.

The chips in the form of tiny dust generated during processing will also enter the water tank along with the cutting fluid. However, the chips in the form of dust enter the water tank and are easy to deposit at the bottom of the water tank. It is difficult to remove and easy to produce anaerobic bacteria. Make the cutting fluid in the water tank stink, shorten the service life of the cutting fluid, and need to be improved.

Since the chips in the form of dust are easy to deposit at the bottom of the filter water tank, it is difficult to remove, and the service life of the cutting fluid is shortened. bottom, and can effectively separate dust-like chips from cutting fluid.

In order to achieve the above-mentioned purpose, the cutting fluid filtration system provided by the present invention includes a water tank, a chip flushing device, a centrifugal filter, a centrifugal pump, and a sludge tank; The chip flushing device has a water spray pipe, the water spray pipe extends into the water tank, and the water spray pipe has at least one water spray port; The centrifugal filter has a first water inlet connector, a first water outlet connector, and a silt discharge connector, the first water inlet connector communicates with the water tank, the centrifugal pump is connected between the water tank and the first water inlet connector, And drive the cutting fluid in the water tank to enter the centrifugal filter from the first water inlet joint; the first water outlet joint communicates with the water tank, and the first water outlet joint is used to output the cutting fluid filtered by the centrifugal filter, The silt discharge joint is formed at the bottom of the centrifugal filter and communicated with the sludge tank, and the silt discharge joint is used for outputting the impurities separated by the centrifugal filter.

Utilizing the above-mentioned technical features, the cutting fluid filtration system of the present invention can use the water spray pipe of the chip flushing device to continuously spray water flow in the water tank, disturb the cutting fluid in the water tank, and avoid the deposition of dust-like chips in the water tank. The bottom of the water tank allows the chips in the form of dust to flow with the cutting fluid, and the centrifugal filter is used to separate the chips in the form of cutting fluid and the form of dust. After separation, the chips in the form of dust can be discharged into the In the sludge tank, the separated cutting fluid with high cleanliness can flow back into the water tank through the first water outlet joint, so as to improve the service life of the cutting fluid and reduce the cleaning time of the water tank. When it is necessary to clean the sludge tank, you can first Close the sludge discharge connection of the centrifugal filter without stopping the operation of the machine tool.

Please refer to FIG. 1 to FIG. 5 , the cutting fluid filtration system of the present invention includes a water tank 10 , a chip flushing device 20 , a centrifugal filter 30 , a centrifugal pump 15 , and a sludge tank 40 .

The water tank 10 is mainly arranged at the bottom of the machine tool, and the cutting fluid used during machine tool processing will be guided into the water tank 10. The water tank 10 mainly includes an inflow area and an outflow area, between the inflow area and the outflow area. A filter screen or a filter box may be provided between the zones to intercept chips entrained in the cutting fluid.

Please refer to FIG. 3, the chip washing device 20 is installed in the water tank 10, and adjacent to the inflow area, the chip washing device 20 includes a water spray pipe 21, the water spray pipe 21 extends into the water tank 10, and is located in the water tank 10 The bottom of the water spray pipe 21 has at least one water spray port 212, so that the liquid flowing into the water spray pipe 21 can be sprayed out from the at least one water spray port 212, and disturb the cutting fluid in the water tank 10 to avoid dusty chips Deposited at the bottom of the water tank 10, so that the dusty chips can flow with the cutting fluid to the outflow area of the water tank 10, the water spray pipe 21 can be provided with a plurality of water spray ports arranged at intervals along the length direction of the water spray pipe 21 212.

Please refer to FIG. 1 to FIG. 3 , the chip flushing device 20 also includes a chip flushing pump 23 , the chip flushing pump 23 is connected to the water tank 10 and the water spray pipe 21 , and the chip flushing pump 23 pumps the water in the water tank 10 The cutting fluid is transported to the water spray pipe 21, and the cutting fluid entering the water spray pipe 21 is sprayed out from the water nozzle 212 of the water spray pipe 21 to disturb the cutting fluid in the water tank 10 and return to the water tank 10.

Please refer to Fig. 2, Fig. 4, and Fig. 5, the centrifugal filter 30 has a first water inlet connector 31, a first water outlet connector 32, and a silt discharge connector 33, and the first water inlet connector 31 is connected with the water tank 10 Through, the centrifugal pump 15 is connected between the water tank 10 and the first water inlet joint 31, and drives the cutting fluid in the water tank 10 to enter the centrifugal filter 30 from the first water inlet joint 31 to be filtered. The pump 15 can be located near the outflow area of the water tank 10 and close to the inflow area, so that the cutting fluid entering the water tank 10 can be drawn away by the centrifugal pump 15 when it enters the outflow area; the first water outlet joint 32 forms a On the top of the centrifugal filter 30 and communicated with the water tank 10 , the first water outlet joint 32 is used to output the cutting fluid filtered by the centrifugal filter 30 , and the silt discharge joint 33 is formed on the centrifugal filter 30 and communicate with the sludge tank 40 , the sludge discharge joint 33 is used to output the impurities separated by the centrifugal filter 30 .

The centrifugal filter 30 mainly utilizes the centrifugal force to drive the cutting fluid and dust-type chips to be separated, so that the separated cutting fluid is discharged from the first water outlet joint 32, and flows back to the outflow area in the water tank 10 for separation. The final impurities are discharged from the silt discharge joint 33 and enter the sludge tank 40; the centrifugal filter 30 can be an existing centrifugal filter, and its structure will not be described in detail here.

Please refer to Fig. 2, Fig. 4, and Fig. 5, preferably, the cutting fluid filtering system further includes a filtering device 50, the filtering device 50 has a second water inlet connector 51 and a second water outlet connector 52, the first Two water inlet joints 51 communicate with the first water outlet joint 32, and the second water outlet joint 52 communicates with the water tank 10, so that the cutting fluid filtered by the centrifugal filter 30 enters the filter device 50 for further filtration , to filter the impurities in the cutting fluid and improve the cleanliness of the cutting fluid. The filter device 50 includes two filter barrels 53 and a water tank 55. The second water inlet joint 51 is connected with the two filter barrels 53 by a shunt pipe. The filter bucket 53 communicates with the water tank 55, and the second water outlet joint 52 is located in the water tank 55; the cutting fluid flowing into the second water inlet joint 51 can be divided into the two filter buckets 53 for filtering through the tap, and then flow into the water tank 55. It is stored in the water tank 55, and then flows back to the outflow area of the water tank 10 through the second water outlet connector 52, and the relatively clean cutting fluid filtered in the outflow area is extracted to the cutting fluid system of the machine tool for use.

Please refer to Fig. 2, Fig. 3, and Fig. 5, the silt tank 40 includes a tank body 41 and an overflow pipe 43, the tank body 41 is used to collect the muddy water discharged from the silt discharge joint 33, the overflow pipe One end of 43 is connected to this tank body 41, and is adjacent to the top of this tank body 41, and the other end of this overflow pipe 43 is connected with this water tank 10, and the muddy water collected in this tank body 41 is mainly mixed dust form When the water level in the tank body 41 reaches the height of the overflow pipe 43, the cutting fluid in the tank body 41 can flow back into the water tank 10 through the overflow pipe 43, preventing the tank body from The muddy water in 41 is full out; The cutting fluid that gets back in this water tank 10 can be delivered in this centrifugal filter 30 again and filter.

Please refer to Fig. 5, this sludge tank 40 also comprises a filter box 42, and this filter box 42 is placed in this tank body 41, and communicates with this tank body 41, and one end of a row of silt pipe 45 is connected with this centrifugal filter The other end of the silt discharge joint 33 of 30 stretches into the filter box 42, so that the muddy water discharged from the silt discharge joint 33 can directly enter the filter box 42 through the silt discharge pipe 45, and pass through the filtration of the filter box 42 After that, it flows into the tank body 41 again, and most of the silt is intercepted in the filter box 42, and the user can directly take out the filter box 42 for cleaning. The bottom of the trough body 41 can be equipped with a plurality of casters 415 to facilitate the user to move the trough body 41. The top of the trough body 41 is provided with an openable upper cover 413 to prevent external dust from entering the trough body 41. And it is convenient for the user to open the upper cover 413 to take out the filter box 42 .

Please refer to Fig. 4 and Fig. 5, preferably, this centrifugal filter 30 is fixed on a frame body 60, and this frame body 60 is fixed on the front side of the tank 55 of this filtering device 50, and this centrifugal filter 30 is provided with a row of silt Valve 35, the silt discharge valve 35 is connected with the silt discharge joint 33, and the silt discharge joint 33 can be opened or closed. The silt discharge valve 35 cannot be closed, so as to prevent the operator from closing the silt discharge valve 35, so that the muddy water filtered by the centrifugal filter 30 cannot be discharged.

The cutting fluid filtering system of the present invention can use the water spray pipe 21 of the chip flushing device 20 to continuously spray water flow in the water tank 10 to disturb the cutting fluid in the water tank 10 and prevent dust-like chips from depositing in the water tank 10 at the bottom of the bottom, so that the chips in the form of dust can flow with the cutting fluid, and the centrifugal filter 30 is used to separate the cutting fluid and the chips in the form of dust, and the chips in the form of dust after separation can be discharged into the In the sludge tank 40, the separated cutting fluid with high cleanliness can flow back into the water tank 10 through the first water outlet connector 32, so as to improve the service life of the cutting fluid and reduce the cleaning time of the water tank. The sludge tank needs to be cleaned At 40 o'clock, the silt discharge joint 33 of the centrifugal filter 30 can be closed earlier, without stopping the operation of the machine tool.

10: water tank 15:Centrifugal pump 20: chip flushing device 21: sprinkler pipe 212: Spout 23: chip flushing pump 30: centrifugal filter 31: The first water inlet joint 32: The first water outlet connector 33: Silt discharge joint 35: Silting valve 40: Silt Trough 41: Tank body 413: top cover 415: casters 42: Filter box 43: overflow pipe 45: Silt discharge pipe 50: Filtration device 51: Second water inlet joint 52: Second water outlet connector 53: filter barrel 55: Sink 60: frame body 63: Barrier

Fig. 1 is a three-dimensional appearance view of a preferred embodiment of the present invention. Fig. 2 is another perspective view of a preferred embodiment of the present invention. Fig. 3 is a partially enlarged top view of a water tank in a preferred embodiment of the present invention. Fig. 4 is a partially enlarged front view of a preferred embodiment of the present invention. Fig. 5 is a partially enlarged three-dimensional appearance view of a preferred embodiment of the present invention.

10: water tank

15:Centrifugal pump

20: chip flushing device

23: chip flushing pump

30: centrifugal filter

40: Silt Trough

50: Filtration device

52: Second water outlet connector

Claims (8)

A cutting fluid filtration system, which includes a water tank, a chip flushing device, a centrifugal filter, a centrifugal pump, and a sludge tank; wherein The chip flushing device has a water spray pipe, the water spray pipe extends into the water tank, and the water spray pipe has at least one water spray port; The centrifugal filter has a first water inlet connector, a first water outlet connector, and a silt discharge connector, the first water inlet connector communicates with the water tank, the centrifugal pump is connected between the water tank and the first water inlet connector, And drive the cutting fluid in the water tank to enter the centrifugal filter from the first water inlet joint; the first water outlet joint communicates with the water tank, and the first water outlet joint is used to output the cutting fluid filtered by the centrifugal filter, The silt discharge joint is formed at the bottom of the centrifugal filter and communicated with the sludge tank, and the silt discharge joint is used for outputting the impurities separated by the centrifugal filter. The cutting fluid filtration system as described in claim 1, wherein the chip flushing device includes a chip flushing pump connected to the water tank and the water spray pipe, and the chip flushing pump extracts the chips in the water tank liquid and delivered to the sprinkler pipe. The cutting fluid filtering system as described in claim 2, which includes a filtering device, the filtering device is provided with a second water inlet joint and a second water outlet joint, the second water inlet joint is connected with the first water outlet joint, and the first water outlet joint is connected. Two water outlet joints communicate with the water tank. The cutting fluid filtering system as described in claim 3, wherein the filtering device includes two filter buckets and a water tank, the second water inlet joint is connected to the two filter buckets by a shunt pipe, and the two filter buckets are connected to the water tank , the second water outlet joint is arranged at the sink. The cutting fluid filtration system according to any one of claims 1 to 4, wherein the sludge tank includes a tank body and a filter box, the filter box is placed in the tank body and communicated with the tank body, a One end of the silt discharge pipe is connected to the silt discharge joint of the centrifugal filter, and the other end extends into the filter box. The cutting fluid filtration system according to claim 5, wherein the sludge tank includes an overflow pipe, one end of the overflow pipe is connected to the tank body, and the other end is connected to the water tank. The cutting fluid filtering system as described in Claim 6, wherein the bottom of the tank body is provided with a plurality of casters, and the top of the tank body is provided with an openable upper cover. The cutting fluid filtration system as described in claim 7, wherein the centrifugal filter is fixed on a frame, the centrifugal filter has a silt discharge valve, the silt discharge valve is connected with the silt discharge joint, and the frame body is provided with a blocking rod , the blocking rod stops the desilting valve, so that the desilting valve cannot be closed.

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