CN115920508A

CN115920508A - Novel filtering device of numerical control machine tool and cleaning method thereof

Info

Publication number: CN115920508A
Application number: CN202310244857.7A
Authority: CN
Inventors: 葛波; 芮俊
Original assignee: Jiangsu Weize Intelligent Technology Co ltd
Current assignee: Jiangsu Weize Intelligent Technology Co ltd
Priority date: 2023-03-15
Filing date: 2023-03-15
Publication date: 2023-04-07
Anticipated expiration: 2043-03-15
Also published as: CN115920508B

Abstract

The invention discloses a novel filtering device of a numerical control machine tool and a cleaning method thereof, and relates to the field of machine tool filtering. According to the invention, half of liquid in the cylinder is discharged, the power motor drives the filter disc to rotate, the surface of the filter disc continuously impacts the liquid level in the rotating process of the filter disc, and impurities can be quickly separated from the filter disc under the dual actions of centrifugal force and impact force, so that self-cleaning is completed.

Description

Novel filtering device of numerical control machine tool and cleaning method thereof

Technical Field

The invention relates to the technical field of machine tool filtration, in particular to a novel filtration device of a numerical control machine tool and a cleaning method thereof.

Background

The numerical control machine tool is one of the most common devices in modern industry, a large amount of cutting fluid is used in the numerical control machine tool, and the cutting fluid can be recycled by filtering the cutting fluid. Chinese patent with patent publication No. CN 2125769U, a horizontal full-automatic back flush filter is proposed, the novel nipple rectifier comprises a cylindrical shel, the inside of barrel is provided with the filter screen, the inside of filter screen is provided with carries out the soil pick-up assembly of clearing up to the filter screen, the inside of barrel is provided with the shift fork sleeve assembly that drives the soil pick-up assembly and rotate and remove, the outside of barrel is provided with the stop gear who drives shift fork sleeve assembly pivoted power unit and restriction motor rotation direction, the one end of barrel is provided with the blowdown room, the blowhole of soil pick-up assembly is located the blowdown room, the one end that the barrel was kept away from to the blowdown room is provided with the drain, be provided with pressure sensor on the drain. The side wall of the barrel is provided with a water inlet and a water outlet which are respectively positioned at two sides of the clapboard.

When the filter screen in the filter cylinder is cleaned in a back flushing mode, the back flushing liquid impacts impurities on the filter screen to enable the impurities to fall off and peel off the filter screen, so that a flow channel is smooth. However, in the process of continuous backwashing, as the number of the channels which are opened is increased gradually, the flushing effect of the backwashing liquid on the channels which are still blocked is weakened continuously, a large amount of backwashing liquid is discharged from the opened channels only, so that the integral filtering efficiency of the filter screen cannot be completely released all the time, and the backwashing is often carried out for a plurality of times in the use process of the filter cylinder.

Disclosure of Invention

The invention aims to provide a novel filtering device of a numerical control machine tool and a cleaning method thereof, and the novel filtering device has the advantages of simplicity in operation, good cleaning effect and high use efficiency.

The invention is realized by the following technical scheme:

the utility model provides a novel filtration of digit control machine tool device, includes the lathe, the lathe dorsal part is provided with two independent filter equipment, filter equipment include next supporting seat and the decurrent in barrel on the next supporting seat, the barrel internal rotation is provided with the hollow shaft just the hollow shaft is equipped with a plurality of filtration discs along its axis direction cover in proper order, the one end of hollow shaft is followed stretch out in the barrel to the barrel outside and this end are provided with the side position supporting seat, be provided with the drive in the side position supporting seat the rotatory motor power of hollow shaft, the barrel with be provided with the go-between the side position supporting seat, the barrel with be provided with a supporting bench between the next supporting seat, the go-between outer wall is provided with clean liquid exit tube, a supporting bench bottom is provided with the fluid-discharge tube, the lateral wall is provided with dirty liquid inlet tube, the high point department of barrel lateral wall is provided with the blast pipe.

Further setting as follows: the cylindrical shell is internally provided with two peripheral rods in a rotating mode around the hollow shaft, the peripheral rods are provided with limiting groups distributed in a staggered mode with the filtering disc, each limiting group is composed of two splitter plates, and the two splitter plates are arranged in a splayed mode.

Further setting the following steps: the peripheral rod is C-shaped and is made of resin materials, and when the peripheral rod floats on the liquid level, the flow distribution plate can be located below the liquid level under the action of self gravity.

Further setting as follows: the two ends of the peripheral rod are provided with positioning rings, and the positioning rings are sleeved at the two ends of the hollow shaft.

Further setting the following steps: the top surface of the peripheral rod is provided with a groove, and the two grooves of the peripheral rod are arranged in a staggered manner.

Further setting the following steps: the hollow shaft comprises a cross shaft and a plurality of support rings which are sleeved outside the cross shaft and are spliced and combined end to end, gaps are reserved between the support rings and communicated with the inside of the filter disc, and one end of the cross shaft penetrates through the connecting ring and is connected with the power motor in a transmission mode.

Further setting the following steps: and the drain pipe and the dirty liquid inlet pipe are both provided with one-way valves.

Further setting as follows: the clean liquid outlet pipe is arranged by adopting double outlets, and each outlet is provided with a pressure sensor.

Further setting as follows: the end face of the cylinder body is also provided with an overflow valve.

A cleaning method for a novel filtering device of a numerical control machine tool comprises the following steps:

step one, selecting one of two filtering devices of a machine tool which does not carry out filtering work;

closing a clean liquid outlet pipe and a dirty liquid inlet pipe, simultaneously opening a liquid discharge pipe and an exhaust pipe, discharging liquid in the cylinder, and closing the liquid discharge pipe and the exhaust pipe after half of the liquid is discharged in the cylinder;

starting a power motor, driving the hollow shaft and the filter discs on the peripheral sides of the hollow shaft to rotate simultaneously, continuously impacting the liquid level by the outer surfaces of the filter discs, and rotating the power motor in a positive direction for 3-5 minutes and then in a negative direction for 3-5 minutes;

turning off the power motor, and discharging the residual half of liquid in the cylinder body after a liquid discharge pipe is opened;

and step five, replacing another filtering device, and repeating the steps two to four.

In conclusion, the beneficial technical effects of the invention are as follows:

(1) When one filtering device filters, a clean liquid outlet pipe and a dirty liquid inlet pipe are independently opened, liquid in the inner cylinder of the filtering disc is rapidly filtered, and the filtering device efficiently performs filtering work;

(2) When the filtering device is self-cleaned, the exhaust pipe and the liquid discharge pipe are independently opened, after liquid in the cylinder body is discharged by half, the exhaust pipe and the liquid discharge pipe are closed, the power motor is started, the surface of the filtering disc continuously impacts the liquid level in the rotating process, and each position of each filtering disc can be subjected to the cleaning effect with the same effect under the dual actions of the centrifugal force of the filtering disc and the impact force on the liquid level, so that the integral cleaning is finally completed;

(3) When the filtering device is self-cleaned, the peripheral rods and the flow distribution plates can guide liquid to impact the filtering disc at a high speed, so that the filtering efficiency is improved, and the liquid level inside the cylinder is relatively balanced and the cylinder is relatively safe.

Drawings

FIG. 1 is a perspective view of a first embodiment;

FIG. 2 is a perspective view of a filter device according to one embodiment;

FIG. 3 is a front view of a filter device according to one embodiment;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of the construction of a hollow mandrel and peripheral rod according to an embodiment;

fig. 6 is a schematic view of the cleaning principle of the first embodiment.

Reference numerals: 100. a machine tool; 200. a filtration device; 1. a lower supporting seat; 2. a cylinder body; 3. a hollow shaft; 4. a filter disc; 5. a lateral supporting seat; 6. a power motor; 7. a connecting ring; 8. a support table; 9. a purified liquid outlet pipe; 10. a liquid discharge pipe; 11. dirty liquid enters the tube; 12. an exhaust pipe; 13. a peripheral rod; 14. a flow distribution plate; 15. a positioning ring; 16. a groove; 17. a one-way valve; 18. a pressure sensor; 19. an overflow valve; 31. a cross shaft; 32. and (3) supporting the ring.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example one

The utility model provides a novel filtration of digit control machine tool device, refers to fig. 1, fig. 2 and fig. 3, including lathe 100, the dorsal part of lathe 100 is provided with two filtration device 200, and filtration device 200 includes inferior supporting seat 1 and side position supporting seat 5, and inferior supporting seat 1 up end is fixed with a supporting bench 8, and the last transverse fixation of supporting bench 8 has barrel 2, and the bottom of barrel 2 is opening structure and barrel 2 inside and brace table 8 inside between direct intercommunication. One end of the side supporting seat 5 is fixed with a connecting ring 7, the connecting ring 7 is fixed with the end of the cylinder 2, and the inside of the connecting ring 7 is directly communicated with the inside of the cylinder 2. The lower support seat 1 and the side support seat 5 are used for mounting and connecting with the machine tool 100, so as to fix the filtering device 200.

Referring to fig. 4 and 5, a hollow shaft 3 is rotatably disposed at a hollow axis in the barrel 2, the hollow shaft 3 includes a cross shaft 31 and a plurality of support rings 32, all the support rings 32 are sleeved outside the cross shaft 31, adjacent support rings 32 are in end-to-end insertion fit, and a gap is formed between adjacent support rings 32. All the support rings 32 are assembled to form a cylindrical body, a cross 31 is inserted into the cylindrical body, four edges of the cross 31 are clamped on the inner walls of the support rings 32, and the cross 31 drives all the support rings 32 to rotate along with the rotation in the rotation process. The outer wall of the hollow shaft 3 is sequentially sleeved with a plurality of filter discs 4 along the axis direction, the filter discs 4 are formed by combining two disc-shaped filter screens and have space spaces in the middle, and a gap is communicated with the space spaces in the inner part of the filter discs 4 between every two corresponding support rings 32 and between the adjacent support rings 32. All the filter discs 4 and the support ring 32 are located inside the cartridge 2, while one end of the cross 31 projects from the inside of the cartridge 2 and passes through the coupling ring 7 into the lateral support seat 5. The end of the cross 31 located at the side supporting seat 5 is further provided with two supporting bearings, the two supporting bearings are respectively located at the connection positions of the connecting ring 7 and the barrel 2 and the side supporting seat 5, and the connection positions are further provided with sealing gaskets. A power motor 6 is fixed in the side position supporting seat 5, and the power motor 6 is in transmission connection with the end part of the cross shaft 31 through a coupler. After the power motor 6 is started, the hollow shaft 3 can be driven to rotate through the coupler, so that all the filter discs 4 are driven to rotate in the cylinder 2 at a high speed.

Referring to fig. 2 and 4, a clean liquid outlet pipe 9 is fixed at the highest point of the outer wall of the connecting ring 7, the clean liquid outlet pipe 9 is communicated with the inside of the connecting ring 7, the clean liquid outlet pipe 9 is arranged in a double-outlet mode, a pressure sensor 18 is arranged at each outlet, and the clean liquid outlet pipes 9 are connected into the machine tool 100. A dirty liquid inlet pipe 11 is fixed on the side wall of the support table 8, the dirty liquid inlet pipe 11 is communicated with the inside of the support table 8, a one-way valve 17 is installed in the dirty liquid inlet pipe 11, and the dirty liquid inlet pipe 11 is connected to the machine tool 100. The liquid to be filtered can enter the cylinder body 2 from the dirty liquid inlet pipe 11, and after being filtered by the filter disc 4, the filtered liquid can enter the connecting ring 7 from the hollow shaft 3 and finally passes through the clean liquid outlet pipe 9. The pressure sensor 18 detects the liquid pressure at the clean liquid outlet pipe 9, so as to judge the current filtering efficiency of the filtering disc 4.

A liquid discharge pipe 10 is fixed at the bottom of the support platform 8, the liquid discharge pipe 10 penetrates through the lower support seat 1 to be communicated with the inside of the support platform 8, and a one-way valve 17 is installed in the liquid discharge pipe 10. The drain pipe 10 is larger in diameter than the dirty liquid inlet pipe 11 and the drain pipe 10 is located at the lowermost portion of the support table 8, so that the foreign substances deposited on the bottom of the support table 8 can be rapidly discharged. In this embodiment, the drain pipe 10 and the dirty liquid inlet pipe 11 may be connected to the dirty liquid tank of the machine tool 100 at the same time.

The exhaust pipe 12 is fixed on the side wall of the cylinder 2 and at a position far away from the support platform 8, the exhaust pipe 12 is communicated with the inside of the cylinder 2, a valve is arranged at the end part of the exhaust pipe 12, and the exhaust pipe 12 is opened only when the cylinder 2 is used for discharging liquid. In order to ensure the safety of the barrel 2 during filtration, the end face of the barrel 2 is also provided with an overflow valve 19.

Referring to fig. 5 and 6, two peripheral rods 13 are rotatably disposed around the hollow shaft 3 in the cylinder 2, the peripheral rods 13 are C-shaped, positioning rings 15 are fixed to two ends of each peripheral rod 13, the positioning rings 15 are sleeved on the outer wall of the hollow shaft 3, and the two peripheral rods 13 can rotate around the hollow shaft 3 and the filter disc 4. One side of the peripheral rod 13 facing the hollow shaft 3 is provided with a limiting group which is distributed with the filtering disc 4 in a staggered manner, the limiting group consists of two splitter plates 14, and the two splitter plates 14 are arranged in a splayed manner. Peripheral pole 13 and flow distribution plate 14 adopt resin material to make, and peripheral pole 13 adopts hollow structure setting simultaneously for peripheral pole 13 has buoyancy, and when peripheral pole 13 floated on the liquid level, flow distribution plate 14 was located the position below the liquid level under the action of gravity. The opposite surfaces of the two peripheral rods 13 are provided with grooves 16, and the grooves 16 on the two peripheral rods 13 are arranged in a staggered manner.

When the filtering device 200 is used for filtering, at this time, the inside of the cylinder 2 is filled with liquid, the two peripheral rods 13 are mutually inserted and matched under the action of buoyancy and are positioned at the top position of the cylinder 2 under the action of buoyancy, so that the filtering device 200 is not influenced to perform filtering work.

When the filtering device 200 carries out self-cleaning, half of liquid is left in the barrel 2 at the moment, the two peripheral rods 13 can be positioned at the two sides of the hollow shaft 3 and float on the liquid surface, and in the rotating process of the filtering disc 4, one side of the filtering disc 4 is a water inlet side, and the other side of the filtering disc 4 is a water outlet side; the diversion plate 14 on the water inlet side guides the liquid to turn by the radian of the outer side of the diversion plate so as to continuously impact the surface of the filter disc 4, in addition, the liquid level of the water inlet side is reduced due to the impact force of the filter disc 4, and part of the liquid returns to the outer side of the diversion plate 14 from a narrow flow channel formed between the two diversion plates 14 so as to complement the liquid on the outer side of the diversion plate 14, and fig. 6 is a schematic diagram of the principle of the water inlet side; the splitter plate 14 on the water outlet side presses the liquid surface to shake through the radian of the inner side of the splitter plate, so that the height of the liquid surface on the water inlet side is balanced, the liquid levels on the water inlet side and the water outlet side are relatively balanced, and the safety of the barrel 2 is further guaranteed. The self-cleaning effect inside the filter device 200 is also improved when the two peripheral rods 13 cooperate with each other.

Example two

step one, selecting one of two filtering devices 200 of the machine tool 100 which does not carry out filtering work;

closing a clean liquid outlet pipe 9 and a dirty liquid inlet pipe 11, simultaneously opening a liquid discharge pipe 10 and an exhaust pipe 12, discharging liquid from the liquid in the cylinder body 2, and closing the liquid discharge pipe 10 and the exhaust pipe 12 after half of the liquid is discharged from the interior of the cylinder body 2;

step three, starting the power motor 6, driving the hollow shaft 3 and the filter discs 4 on the peripheral sides of the hollow shaft to rotate simultaneously by the power motor 6, continuously impacting the liquid level by the outer surfaces of the filter discs 4, and rotating reversely for 3-5 minutes after the power motor 6 rotates positively for 3-5 minutes;

step four, the power motor 6 is shut down, and the residual half of liquid in the cylinder body 2 is discharged after the liquid discharge pipe 10 is opened;

and step five, replacing another filtering device 200 and repeating the step two to the step four.

The working principle and the beneficial effects of the invention are as follows:

the machine tool 100 has two independent filtering devices 200, wherein when one filtering device 200 filters, the other filtering device can be cleaned, so that the machine tool 100 can work without stopping. When the filtering device 200 is self-cleaning, the exhaust pipe 12 and the liquid discharge pipe 10 are independently opened, and after half of the liquid in the cylinder 2 is discharged, the exhaust pipe 12 and the liquid discharge pipe 10 are closed; power motor 6 starts and drives and filters 4 rotations of disc, it constantly strikes the liquid level to filter 4 rotatory in-process its surfaces of disc, at this moment, the centrifugal action of 4 rotatory productions of filter disc and the continuous impact of filter disc 4 to the liquid level formation, under the dual function of centrifugal force and impact force, impurity can break away from filter disc 4 surface fast, each position homoenergetic that each filters disc 4 receives equivalent effect's cleaning efficiency, thereby finally accomplish integral cleanness, make each runner unblocked in the filter disc 4, clean effectual and quick, the filtration efficiency of filter equipment 200 has been improved.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited thereby, so: equivalent changes made according to the structure, shape and principle of the invention shall be covered by the protection scope of the invention.

Claims

1. The utility model provides a novel filtration of digit control machine tool which characterized in that: including lathe (100), lathe (100) dorsal part is provided with two independent filter equipment (200), filter equipment (200) including lower supporting seat (1) with horizontal in barrel (2) on lower supporting seat (1), barrel (2) internal rotation be provided with hollow shaft (3) just hollow shaft (3) are equipped with a plurality of filtration discs (4) along its axis direction cover in proper order, the one end of hollow shaft (3) is followed stretch out extremely in barrel (2) outside and this end is provided with side position supporting seat (5), be provided with the drive in side position supporting seat (5) the rotatory motor power (6) of hollow shaft (3), barrel (2) with be provided with go-between (7) between side position supporting seat (5), barrel (2) with be provided with brace table (8) between lower supporting seat (1), go-between (7) outer wall is provided with clean liquid exit tube (9), brace table (8) bottom is provided with fluid-discharge tube (10), the lateral wall is provided with dirty liquid and advances pipe (11), the high point department of barrel (2) lateral wall is provided with blast pipe (12).

2. The filtering device of the novel numerical control machine tool according to claim 1, characterized in that: two surrounding rods (13) are arranged in the barrel body (2) in a rotating mode around the hollow shaft (3), limiting groups distributed in a staggered mode with the filtering disc (4) are arranged on the surrounding rods (13), each limiting group is composed of two splitter plates (14), and the two splitter plates (14) are arranged in a splayed mode.

3. The filtering device of the novel numerical control machine according to claim 2, characterized in that: the peripheral rod (13) is C-shaped and is made of resin materials, and when the peripheral rod (13) floats on the liquid level, the flow distribution plate (14) can be located below the liquid level under the action of self gravity.

4. The novel filtering device of the numerical control machine tool according to claim 3, characterized in that: the both ends of peripheral rod (13) all are provided with holding ring (15), holding ring (15) cover is established the both ends of hollow shaft (3).

5. The novel filtering device of the numerical control machine tool according to claim 3, characterized in that: the top surface of the peripheral rod (13) is provided with grooves (16), and the grooves (16) of the two peripheral rods (13) are arranged in a staggered manner.

6. The filtering device of the novel numerical control machine tool according to claim 1, characterized in that: hollow shaft (3) are established including cross (31) and cover a plurality of support rings (32) of cross (31) outside and end-to-end grafting combination are adjacent gapped between support ring (32) and with filter disc (4) inside intercommunication, cross (31) one end runs through go-between (7) and with power motor (6) transmission is connected.

7. The filtering device of the novel numerical control machine according to claim 1, characterized in that: the drainage pipe (10) and the dirty liquid inlet pipe (11) are both provided with one-way valves (17).

8. The filtering device of the novel numerical control machine tool according to claim 1, characterized in that: the clean liquid outlet pipe (9) is arranged by adopting double outlets, and each outlet is provided with a pressure sensor (18).

9. The filtering device of the novel numerical control machine tool according to claim 1, characterized in that: the end face of the cylinder body (2) is also provided with an overflow valve (19).

10. A cleaning method of a filtering device of a novel numerical control machine according to any one of claims 1 to 9, characterized in that: the method comprises the following steps:

step one, selecting one of two filtering devices (200) of a machine tool (100) which does not carry out filtering work;

closing a clean liquid outlet pipe (9) and a dirty liquid inlet pipe (11), simultaneously opening a liquid discharge pipe (10) and an exhaust pipe (12), discharging liquid from the interior of the barrel body (2), and closing the liquid discharge pipe (10) and the exhaust pipe (12) after half of the liquid is discharged from the interior of the barrel body (2);

step three, starting a power motor (6), driving a hollow shaft (3) and a filtering disc (4) on the peripheral side of the hollow shaft to rotate simultaneously by the power motor (6), continuously impacting the liquid level by the outer surface of the filtering disc (4), and reversely rotating the power motor (6) for 3-5 minutes after positively rotating the power motor (6);

step four, turning off the power motor (6), and discharging the residual half of liquid in the cylinder body (2) after opening the liquid discharge pipe (10);

and step five, replacing another filtering device (200) and repeating the step two to the step four.