CN212043810U

CN212043810U - Cooling liquid recycling and filtering device of numerical control machine tool

Info

Publication number: CN212043810U
Application number: CN202020649068.3U
Authority: CN
Inventors: 赵柯泽; 赵帅; 郭琴
Original assignee: Zhejiang Hengda Cnc Equipment Co ltd
Current assignee: Zhejiang Hengda Cnc Equipment Co ltd
Priority date: 2020-04-25
Filing date: 2020-04-25
Publication date: 2020-12-01
Anticipated expiration: 2030-04-25

Abstract

The utility model relates to a cooling liquid recovery and filtration device of a numerical control machine, which comprises a frame, wherein a workbench and a liquid spraying pipe are arranged on the frame, a liquid leakage port is arranged on the workbench, a recovery tank is arranged on the frame and below the liquid leakage port, a recovery water tank is placed on the ground on one side of the frame and is connected with the recovery tank through a recovery pipe, and a filter screen is arranged in the recovery water tank; and a cooling water tank is also arranged on the ground at the same side of the rack, the cooling water tank is connected with the recovery water tank through a water outlet pipe, a circulating water pump is connected onto the cooling water tank, the cooling water tank is connected with the water inlet end of the circulating water pump, and the water outlet end of the circulating water pump is connected with a liquid spraying pipe. The utility model discloses can fully filter the impurity in the coolant liquid that is retrieved, make the coolant liquid mechanical damage that causes the processing part when the circulation uses littleer, improve the final quality of processing part.

Description

Cooling liquid recycling and filtering device of numerical control machine tool

Technical Field

The utility model belongs to the technical field of the technique of digit control machine tool and specifically relates to a filter equipment is retrieved to coolant liquid of digit control machine tool is related to.

Background

With the development of times, the numerical control machine tool gradually becomes a foundation stone of modern industry, and in the working process of the machine tool, the cooling liquid not only can effectively reduce the cutting temperature, reduce the thermal deformation of a workpiece and a cutter, and improve the machining precision and the cutter durability, but also can effectively reduce the cutting friction force during machining and the power loss of a machine tool motor, and can wash away chips on the surface of a machined part and improve the surface precision of the machined part.

When the existing numerical control machine tool recovers cooling liquid, the cooling liquid recovered by the recovery tank is generally discharged into a recovery water tank through a recovery pipe connected to the recovery tank, and after simple precipitation, the cooling liquid is conveyed to the liquid spraying pipe through a circulating pump connected to the recovery water tank for recycling.

The technical scheme has the following defects: the recovered cooling liquid is recycled after being simply precipitated, and a large amount of fine impurities still exist in the cooling liquid, so that the cooling liquid can cause mechanical damage to the machined parts in the recycling process, and the final quality of the machined parts is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a filter equipment is retrieved to coolant liquid of digit control machine tool, can filter the impurity in the coolant liquid of being retrieved effectively, make the coolant liquid of being retrieved can cause mechanical damage to alleviate processing part when recycling, improve the final quality of processing part.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a cooling liquid recovery and filtration device of a numerical control machine tool comprises a rack, wherein a workbench and a liquid spraying pipe are arranged on the rack, a liquid leakage port is formed in the workbench, a recovery tank is arranged on the rack and is positioned right below the liquid leakage port, a recovery water tank is placed on the ground on one side of the rack and is connected with the recovery tank through a recovery pipe, a horizontal filter screen is arranged in the recovery water tank, and the filter screen is higher than the connection position of the recovery pipe and the recovery water tank; the frame has still placed coolant tank with subaerial having placed of one side, coolant tank with recovery water tank passes through water piping connection, the outlet pipe with recovery water tank's junction is higher than the outlet pipe with coolant tank's junction, just the outlet pipe with recovery water tank's junction is higher than the filter screen, be connected with circulating water pump just on the coolant tank with circulating water pump's the end of intaking is connected, circulating water pump's play water end with hydrojet union coupling.

Through adopting above-mentioned technical scheme, the coolant liquid that is retrieved can get into recovery tank through the recovery tube, heavier impurity in the coolant liquid can deposit in recovery tank's bottom, along with rising of cooling fluid water level in recovery tank, when the water level rises to the filter screen top, impurity that lighter in the coolant liquid can be filtered by the filter screen, when the water level rises to outlet pipe and recovery tank's link, because the junction of outlet pipe and recovery tank is higher than outlet pipe and cooling tank's junction, coolant liquid after the filtration can be defeated to cooling tank through the outlet pipe, coolant liquid in the cooling tank can be carried to spray pipe recycle by the circulating pump, the mechanical damage that the coolant liquid that is filtered impurity caused to processing part when being recycled can reduce, make the final quality of processing part improve.

The utility model discloses can further configure to in a preferred example, all be provided with the bead on cooling water tank's the lateral wall inner wall, the bead with recovery tank's diapire is parallel just height between the bead, the bead is located the recovery tube with recovery tank's junction with the outlet pipe with between recovery tank's the junction, detachably installs the rack on the bead, the filter screen is installed on the rack.

Through adopting above-mentioned technical scheme, when needs are changed the filter screen, can follow the bead and pull down rack and filter screen together, install rack and filter screen that will prepare again on the bead together, the filter screen is changed conveniently.

The utility model discloses can further configure to in a preferred example, the rack includes first rack and second rack, first rack sets up on the bead, second rack detachably installs on the first rack, the filter screen clamp is installed first rack with between the second rack wear to be equipped with a plurality of second bolts on first rack and the second rack simultaneously, the second bolt with bead threaded connection.

Through adopting above-mentioned technical scheme, when needs are changed the filter screen, can pull down the second rack from first rack earlier, later take off the filter screen from first rack and change the washing, the filter screen is changed conveniently and can not cause the damage to the filter screen.

The utility model can be further configured in a preferred example that the recovery water tank is provided with an upper opening, a tank cover for covering the upper opening of the recovery water tank is rotatably arranged on the recovery water tank, a sealing gasket is arranged on one side of the tank cover, which is in contact with the recovery water tank, the upper side wall of the tank cover is provided with an elastic sheet, one end of the elastic sheet, which is far away from the tank cover, is provided with a bulge, and the bulge faces the tank cover; the upper opening of the recovery water tank is provided with a flanging which can be matched with the bulge in a clamping manner, the elastic piece deviates from the bulge, a connecting ring is arranged on one surface of the bulge, and a pull ring is sleeved on the connecting ring.

Through adopting above-mentioned technical scheme, the case lid can seal recovery tank's upper shed through protruding and turn-ups cooperation, and the seal ring of installing at the case lid diapire can paste tightly with recovery tank's opening after the case lid seals the opening to guarantee the leakproofness after the case lid seals recovery tank's opening. When the box cover needs to be opened, the elastic sheet can be pulled open through the pull ring, and the matching of the bulge and the flanging is unlocked.

The utility model discloses can further configure to in a preferred example, be provided with the installation cavity on recovery tank's the diapire, the installation cavity salient in the recovery tank, install magnet in the installation cavity, be provided with the confession on the installation cavity the installation door of magnet installation.

Through adopting above-mentioned technical scheme, install the magnet in recovery water tank diapire installation cavity and can be adsorbed the iron fillings in the recovery water tank bottom by the coolant liquid that retrieves, and magnet installs in the installation cavity, be difficult for by external force damage.

The utility model discloses can further configure to in a preferred example, the accent both sides of installation cavity are provided with the slot, the installation door slides and installs just on the slot the installation door can with the accent of installation cavity covers.

Through adopting above-mentioned technical scheme, the installation door slides through the slot and installs on the diapire, and easy dismounting is convenient for inspect the magnet of installation intracavity and is changed.

The utility model discloses can further configure to in a preferred example, the outlet pipe is the platykurtic, cooling water tank with subaerial cooling device of having placed between the recovery water tank, cooling device includes cold water machine and condenser pipe, the cold water machine is placed subaerial just the delivery port and the water inlet of cold water machine respectively with the both ends of condenser pipe are connected, the condenser pipe spiral winding is in on the outlet pipe.

Through adopting above-mentioned technical scheme, the cooling water in the cooling water machine can be along the condenser pipe around the outlet pipe motion, cools off the outlet pipe, and the outlet pipe that is cooled can carry out the heat interaction with the coolant liquid in it, reaches the purpose to the coolant liquid cooling, and the area of contact of the outlet pipe of platykurtic and coolant liquid is big, and the heat interaction is faster.

The utility model discloses can further configure to in a preferred example, recovery tank and coolant tank's bottom all is provided with if first mounting bracket, a plurality of equal threaded connection has the screw rod on the first mounting bracket, the screw rod is kept away from one of first mounting bracket is served and is connected the footing.

Through adopting above-mentioned technical scheme, coolant tank and recovery water tank homoenergetic come the height-adjusting with the different digit control machine tool of cooperation height through the screw rod.

To sum up, the utility model discloses a following at least one useful technological effect:

1. impurities in the recovered cooling liquid can be fully filtered, so that the mechanical damage to the machined parts when the cooling liquid is recycled is less;

2. the recovered cooling liquid can enter the next circulation after being fully cooled, and the cooling liquid can always have a good cooling effect when being recycled;

3. the height of the recovery water tank and the height of the cooling water tank can be adjusted, and the recovery water tank and the cooling water tank can be matched with numerical control machines with different heights.

Drawings

Fig. 1 is a schematic perspective view (a) of the present invention, showing a front portion of a numerically controlled machine tool;

fig. 2 is a schematic perspective view (ii) of the present invention, showing the back part of the numerically controlled machine tool;

FIG. 3 is an enlarged schematic view of portion A of FIG. 1 according to the present invention;

FIG. 4 is a schematic view of the present invention with the frame omitted;

FIG. 5 is a schematic sectional view of the recovery tank of the present invention;

FIG. 6 is an enlarged schematic view of portion B of FIG. 5 according to the present invention;

fig. 7 is an explosion diagram of the filter screen, the first net rack, the second net rack and the rib of the present invention.

Reference numerals: 1. a frame; 11. a work table; 111. a liquid leakage port; 12. a liquid spraying pipe; 13. a recovery tank; 131. a recovery pipe; 2. a recovery water tank; 21. a box cover; 211. an elastic sheet; 2111. a protrusion; 2112. a connecting ring; 212. a pull ring; 213. a sealing gasket; 22. a rib; 23. a filter screen; 24. a net frame; 241. a first net frame; 242. a second net rack; 243. a first bolt; 244. a second bolt; 25. flanging; 3. a mounting cavity; 4. a magnet; 5. installing a door; 6. a slot; 7. a water outlet pipe; 8. a cooling device; 81. a water chiller; 82. a condenser tube; 9. a cooling water tank; 10. a water circulating pump; 31. a first mounting bracket; 32. a screw; 321. and (5) footing.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, the utility model relates to a filter equipment is retrieved to coolant liquid of digit control machine tool, including frame 1, be provided with workstation 11 and spray tube 12 in frame 1, be provided with weeping mouth 111 on workstation 11, be provided with accumulator 13 below weeping mouth 111.

Referring to fig. 2, a recovery water tank 2 is placed on the ground at the rear side of the rack 1, the recovery water tank 2 is connected to the recovery tank 13 through a recovery pipe 131, and the coolant collected by the recovery tank 13 enters the recovery water tank 2 through the recovery pipe 131.

Referring to fig. 4 and 6, the recovery water tank 2 has an upper opening, the recovery water tank 2 is rotatably connected to a tank cover 21 to cover the upper opening of the recovery water tank 2, an elastic strip 211 is fixedly connected to the tank cover 21, a protrusion 2111 is integrally formed at one end of the elastic strip 211 away from the tank cover 21, the cross section of the protrusion 2111 is in a right triangle shape, the protrusion 2111 faces the tank cover 21, and one side of the protrusion 2111 is perpendicular to the elastic strip 211; the upper opening of the recovery water tank 2 is provided with a flange 25, and when the tank cover 21 is closed, the protrusion 2111 on the elastic sheet 211 is tightly attached to the flange 25 with one end of the vertical edge of the elastic sheet 211. A connecting ring 2112 is fixedly arranged on one surface of the elastic sheet 211 departing from the protrusion 2111, a pull ring 212 is sleeved on the connecting ring 2112, and when the box cover 21 needs to be opened, the elastic sheet 211 can be pulled open through the pull ring 212 to release the matching of the protrusion 2111 on the elastic sheet 211 and the flanging 25.

The cover 21 is fixedly connected with a sealing washer 213, when the cover 21 is closed, the sealing washer 213 is tightly attached to the recovery water tank 2, so that the overall sealing performance of the recovery water tank 2 after the cover 21 is closed is ensured.

Referring to fig. 5, the side walls of the recovery water tank 2 are all welded with horizontal ribs 22, the horizontal ribs 22 are equal in height, and the horizontal ribs 22 are higher than the connecting end of the recovery pipe 131 and the recovery water tank 2.

Referring to fig. 6 and 7, the net frame 24 is detachably mounted on the horizontal rib 22, the net frame 24 includes a first net frame 241 and a second net frame 242, the first net frame 241 is placed on the horizontal rib 22, the second net frame 242 is threadedly mounted on the first net frame 241 through a first bolt 243, the filter screen 23 is clamped between the first net frame 241 and the second net frame 242, four second bolts 244 are simultaneously threaded on the first net frame 241 and the second net frame 242, and the second bolts 244 are threadedly connected to the rib 22.

Referring to fig. 5, a mounting cavity 3 is formed on the bottom wall of the recovery water tank 2 by punching and sinking towards the tank interior, a magnet 4 is placed in the mounting cavity 3, and a mounting door 5 is detachably mounted on the opening of the mounting cavity 3 to support the mounting of the magnet 4. Be provided with slot 6 on the diapire of recovery water tank 2, installation door 5 slides through slot 6 and installs on the diapire and cover the accent of installation cavity 3.

Referring to fig. 4, a cooling water tank 9 is further placed on the ground on the side, where the recovery water tank 2 is placed, of the rack 1, the cold area water tank is connected with the recovery water tank 2 through a water outlet pipe 7, the water outlet pipe 7 is flat, the contact area between the flat water outlet pipe 7 and cooling liquid in the water outlet pipe 7 is increased, and the heat interaction between the cooling liquid and the water outlet pipe 7 is strengthened.

Referring to fig. 4 and 5, the connection end of the recovery water tank 2 and the water outlet pipe 7 is higher than the connection end of the rib 22 and the connection end of the cooling water tank 9 and the water outlet pipe 7, so that the coolant in the recovery water tank 2 can firstly pass through the filter screen 23 when the water level rises, and then can enter the cooling water tank 9 through the water outlet pipe 7.

Refer to 4, still placed cooling device 8 on the ground between recovery water tank 2 and coolant tank 9, cooling device 8 includes cold water machine 81 and condenser pipe 82, cold water machine 81 places subaerial and cold water machine 81's delivery port and the water inlet is connected in the both ends of condenser pipe 82 respectively, condenser pipe 82 spiral winding is on outlet pipe 7, the cooling water in the cold water machine 81 can cool off outlet pipe 7 through condenser pipe 82, and then cools off the coolant liquid in the outlet pipe 7.

Referring to fig. 4, a circulating water pump 10 is connected to the side wall of the cooling water tank 9, the water inlet end of the cooling water pump is connected to the cooling water tank 9 through a pipe, and the water outlet of the cooling water pump is connected to the liquid spray pipe 12 through a pipe.

Referring to fig. 4, four first mounting brackets 31 are welded at the bottoms of the cooling water tank 9 and the recovery water tank 2, a screw rod 32 is connected to each first mounting bracket 31 through threads, one end of the screw rod 32 far away from the first mounting bracket 31 is welded with a footing 321 with a trapezoidal cross section, and the cooling water tank 9 and the recovery water tank 2 can be adjusted in height through the length of the adjusting screw rod 32 screwed into the first mounting bracket 31 so as to be matched with numerical control machines with different heights.

The working principle of the embodiment is as follows: the coolant used in the cnc machine will flow into the recycling tank 13 along the leakage port 111 on the cnc machine 11, and the coolant in the recycling tank 13 will flow into the recycling water tank 2 along the recycling pipe 131. Iron fillings in the coolant liquid in the recovery water tank 2 can be installed and are adsorbed by magnet 4 in 2 diapire installation cavities 3 of recovery water tank, along with rising of the water level of the coolant liquid in the recovery water tank 2, when the water level exceeded filter screen 23, non-iron fillings impurity in the coolant liquid can be filtered by filter screen 23, coolant liquid after being filtered rises along with the continuation of water level, can flow into coolant tank 9 along outlet pipe 7, when the coolant liquid flows along outlet pipe 7, the condenser pipe 82 of winding on outlet pipe 7 can cool off outlet pipe 7, then cool off the coolant liquid in the outlet pipe 7. The cooling liquid in the cooling water tank 9 is pumped by a circulating water pump 10 and sent to a liquid spraying pipe 12 along the pipeline for recycling.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a filter equipment is retrieved to coolant liquid of digit control machine tool, includes frame (1), be provided with workstation (11) and spray tube (12) in frame (1), liquid leakage mouth (111) have been seted up on workstation (11), just be located in frame (1) be provided with accumulator (13), its characterized in that under liquid leakage mouth (111): a recovery water tank (2) is placed on the ground on one side of the rack (1), the recovery water tank (2) is connected with the recovery tank (13) through a recovery pipe (131), a horizontal filter screen (23) is arranged in the recovery water tank (2), and the filter screen (23) is higher than the connection part of the recovery pipe (131) and the recovery water tank (2); frame (1) is with subaerial coolant tank (9) of having still placed of one side, coolant tank (9) with recovery water tank (2) are connected through outlet pipe (7), outlet pipe (7) with the junction of recovery water tank (2) is higher than outlet pipe (7) with the junction of coolant tank (9), just outlet pipe (7) with the junction of recovery water tank (2) is higher than filter screen (23), be connected with circulating water pump (10) on coolant tank (9) and coolant tank (9) with the end connection of intaking of circulating water pump (10), the play water end of circulating water pump (10) with spray tube (12) are connected.

2. The coolant recovery and filtration device of the numerical control machine tool according to claim 1, wherein: all be provided with bead (22) on the lateral wall inner wall of cooling water tank (9), bead (22) with the diapire parallel of recovery water tank (2) just high between bead (22), bead (22) are located recovery tube (131) with the junction of recovery water tank (2) with outlet pipe (7) with between the junction of recovery water tank (2), detachably installs rack (24) on bead (22), filter screen (23) are installed on rack (24).

3. The coolant recovery and filtration device for the numerical control machine tool according to claim 2, wherein: rack (24) includes first rack (241) and second rack (242), first rack (241) sets up on bead (22), second rack (242) detachably installs on first rack (241), filter screen (23) clamp is installed first rack (241) with between second rack (242) wear to be equipped with a plurality of second bolts (244) simultaneously on first rack (241) and second rack (242), second bolt (244) with bead (22) threaded connection.

4. The coolant recovery and filtration device of the numerical control machine tool according to claim 1, wherein: the recovery water tank (2) is provided with an upper opening, a tank cover (21) used for covering the upper opening of the recovery water tank (2) is rotatably mounted on the recovery water tank (2), a sealing washer (213) is mounted on one side, which is in contact with the recovery water tank (2), of the tank cover (21), an elastic sheet (211) is arranged on the side wall of the tank cover (21), a protrusion (2111) is arranged at one end, away from the tank cover (21), of the elastic sheet (211), and the protrusion (2111) faces the tank cover (21); be provided with turn-ups (25) just on the last opening of recovery water tank (2) turn-ups (25) can with protruding (2111) cooperation chucking, deviate from on flexure strip (211) protruding (2111) is provided with go-between (2112) simultaneously, the cover is equipped with pull ring (212) on go-between (2112).

5. The coolant recovery and filtration device of the numerical control machine tool according to claim 1, wherein: be provided with installation cavity (3) on the diapire of recovery water tank (2), installation cavity (3) salient in recovery water tank (2), install magnet (4) in installation cavity (3), be provided with on installation cavity (3) and supply installation door (5) of magnet (4) installation.

6. The coolant recovery and filtration device for the numerical control machine tool according to claim 5, wherein: the two sides of the cavity opening of the installation cavity (3) are provided with slots (6), and the installation door (5) is slidably installed on the slots (6) and can be covered by the installation door (5) through the cavity opening of the installation cavity (3).

7. The coolant recovery and filtration device of the numerical control machine tool according to claim 1, wherein: outlet pipe (7) are the platykurtic, retrieve water tank (2) with cooling device (8) have been placed on the ground between cooling water tank (9), cooling device (8) include cold water machine (81) and condenser pipe (82), cold water machine (81) are placed subaerial just the delivery port and the water inlet of cold water machine (81) respectively with the both ends of condenser pipe (82) are connected, condenser pipe (82) spiral winding is in on outlet pipe (7).

8. The coolant recovery and filtration device of the numerical control machine tool according to claim 1, wherein: the bottom of recovery tank (2) and coolant tank (9) all is provided with if first mounting bracket (31), and is a plurality of equal threaded connection has screw rod (32) on first mounting bracket (31), screw rod (32) are kept away from one of first mounting bracket (31) is served and is connected footing (321).