CN114536096B - Digit control machine tool coolant liquid circulating filter - Google Patents

Abstract

The invention relates to the technical field of numerical control machine tools, in particular to a cooling liquid circulating filter of a numerical control machine tool, which comprises a circulating filter part and a cold spraying part, the circulating filter part comprises a primary filter part, a secondary filter part and a receiving pool, the circulating filter part designed by the invention has double functions of filtering the used cooling liquid and facilitating manual removal of filtered impurities, and the circulating filter part adopts a classified filtering mode on the aspect of filtering, namely, the circulating filter unit can perform classified filtration according to the type of impurities contained in the used cooling liquid, thereby improving the filtering effect of the cooling liquid and facilitating the classified collection and treatment of the filtered impurities, in the aspect of removing and filtering impurities, the circulating filtering part adopts a movable assembly type structure, in cooperation with manual work, the filtering impurities can be quickly and intensively removed from the structure to which the filtering impurities are attached.

Description

Digit control machine tool coolant liquid circulating filter

Technical Field

The invention relates to the technical field of numerical control machines, in particular to a cooling liquid circulating filter of a numerical control machine.

Background

During the digit control machine tool is being processed the work piece, because the temperature of its processing position is higher, make processing structure and work piece take place certain deformation easily, consequently need spray the coolant liquid to the processing position and carry out cooling treatment, inherit environmental protection and energy saving and reduce cost's theory under, the coolant liquid after the use need carry out filtration treatment so that cyclic utilization.

Because waste materials containing impurities such as iron-containing substances and iron-free substances are generated during workpiece processing, and lubricating oil is usually smeared on the surface of a processing part of a numerical control machine tool in order to reduce friction of the processing part of the numerical control machine tool and protect the numerical control machine tool, the recovered cooling liquid carries the waste materials and lubricating grease, but the defects exist in the existing processes of recycling and recycling of the cooling liquid, for example, the waste materials and the lubricating grease cannot be separately filtered, the effect of completely removing the waste materials and the lubricating grease by one-time filtering is poor, and meanwhile, classification filtering treatment is rarely carried out according to the types of the impurities contained in the waste materials; the filtered waste and the lubricating grease are accumulated on the filtering structure and are not easy to be rapidly removed and collected in a concentrated manner, and the filtering effect of the filtering structure is greatly reduced under the condition that more waste and lubricating grease are accumulated.

Disclosure of Invention

In order to solve the technical problem, the invention provides a cooling liquid circulating filter of a numerical control machine tool, which comprises a circulating filter part and a cold spraying part, wherein the circulating filter part is arranged at the lower end of the existing numerical control machine tool, the cold spraying part is arranged at the upper end of the existing numerical control machine tool, the circulating filter part consists of a primary filter part, a secondary filter part and a receiving pool, and the primary filter part, the secondary filter part and the receiving pool are sequentially arranged from top to bottom.

The primary filter element comprises a primary filter basket, fixing supports, circular ring plates, built-in sponges, hollow pipes, insertion rods, connecting plates, a bottom sealing plate, a track plate and a transverse electric sliding block, the primary filter basket with the lower end of an open structure is positioned right above the secondary filter element, two groups of fixing supports are symmetrically installed at the front end and the rear end of the primary filter basket, each group of fixing supports comprises two fixing supports which are arranged left and right, connecting through holes which are distributed in a matrix form are formed in the front end face of the primary filter basket, the circular ring plates are arranged in the connecting through holes, the built-in sponges which are in circular ring structures are installed on the circular ring plates, the hollow pipes are connected between the built-in sponges and the rear ends of the primary filter basket in a sliding mode, electromagnets are installed in the middle sections of the hollow pipes, the front ends of the hollow pipes are provided with vertically-oriented insertion through holes, the insertion rods are inserted between the insertion through holes which are positioned on the same line in a vertical mode, and the upper ends of the insertion rods are connected with the lower ends of the same connecting plate, the connecting plate is located the front side of one-level filter basket, and the lower extreme of one-level filter basket is installed back type rubber pad, and the lower extreme that returns type rubber pad contacts with the up end of bottom shrouding, and both ends symmetrical arrangement has the track board about the bottom shrouding, is connected with the electronic slider of sideslip between the opposite side of track board and the bottom shrouding, and the looks dorsal part of track board links to each other with the fixed bolster.

During the operation of the numerical control machine tool, coolant is sprayed to the part of the numerical control machine tool for processing a workpiece through a cold spraying part, so that the temperature of the part is reduced, the purpose of cooling is achieved, the coolant with flushed waste materials and lubricating grease flows into a primary filtering basket, an electromagnet in a hollow pipe starts to work, iron-containing substances in the waste materials are adsorbed on the surface of the hollow pipe under the action of the electromagnet, other impurities in the waste materials are accumulated on the upper end surface of a bottom sealing plate, the lubricating grease floats on the water surface, after the electromagnet works for a period of time, the bottom sealing plate is driven to move leftwards through a transverse electric slide block, the lower end of the primary filtering basket is gradually opened, the waste materials with the flushed lubricating grease and removed iron-containing substances flow into a secondary filtering piece, then an existing tool for bearing the iron-containing substances is manually placed under the primary filtering basket, and then a connecting plate is manually pulled forwards, the connecting plate synchronously drives the hollow pipe to move through the inserting rod, meanwhile, the electromagnet temporarily loses magnetism, iron-containing substances adsorbed on the surface of the hollow pipe fall into the receiving tool, the built-in sponge is used for stroking down the residual substances on the surface of the hollow pipe, and the stroked-down substances also fall into the receiving tool.

The second-stage filter piece comprises a second-stage filter basket, a bearing plate, a fixing plate, screen cloth, a pulling plate and a downward moving electric slider, the lower end of a fixing support is connected with the outer surface of the second-stage filter basket, a water leakage through hole is formed in the middle of the lower end face of the second-stage filter basket, the bearing plate is placed on the inner bottom wall of the second-stage filter basket, the fixing plate is clamped at the upper end of the bearing plate, round through grooves distributed in a matrix form are formed in the upper end faces of the bearing plate and the fixing plate, the round through grooves are staggered with the water leakage through hole, the screen cloth is bonded to the upper end of the fixing plate, ear plates are symmetrically installed on the upper end faces of the front end and the rear end of the second-stage filter basket, a pin shaft is rotatably installed at the upper ends of the ear plates, downward moving electric sliders are symmetrically installed on the front end face and the rear end faces of the second-stage filter basket, the downward moving electric sliders are located between the fixing supports distributed left and right, the pulling plate are installed on the opposite sides of the downward moving electric sliders, a pull rope is connected between the upper end of the pulling plate and the upper end of the bearing plate, the stay cord is wound around the upper end of the pin shaft connected with the lug plate, the bearing pool is positioned below the secondary filter basket, the bearing pool is arranged on the ground, the cooling liquid carries waste materials after removing iron-containing substances and flows into the secondary filter basket from the primary filter basket, the bearing plate, the fixing plate and the mesh cloth are all sunk at the bottom of the cooling liquid, the cooling liquid in the secondary filter basket is kept still for a certain time, lubricating grease floats on the water surface, the waste materials are basically accumulated at the upper end of the mesh cloth, then the pull plate is driven to move downwards by the downward moving electric slide block, the pull cord is synchronously pulled by the pull plate, the bearing plate and the fixing plate slowly move upwards under the pulling of the stay cord, the mesh cloth carries the waste materials to synchronously move upwards, when the bearing plate is separated from the inner bottom wall of the secondary filter basket, the water leakage through hole is opened, the cooling liquid sequentially passes through the mesh cloth and the fixing plate and the circular through groove on the bearing plate, and the mesh cloth filters the waste materials and the lubricating grease in the cooling liquid, the coolant liquid that obtains the filtration flows into in accepting the pond by the through-hole that leaks, and when the fixed plate is located the outer back of second grade filter basket, moves down electronic slider stop motion, then takes out the whole from accepting the board of fixed plate and screen cloth through the manual work and separates, clears away the waste material and the lubricating grease of screen cloth up end afterwards, puts back the whole normal position of putting fixed plate and screen cloth back in the back after clearing away, and the board and the fixed plate of accepting is returned to original position through moving down electronic slider messenger immediately, and the lower terminal surface of accepting the board is hugged closely with the inner bottom wall of second grade filter basket.

Cold portion of drenching include the sprinkler, the water main pipe and spray the piece, the sprinkler is installed in the upper end of digit control machine tool, the water main pipe is installed to the front end of sprinkler, the right side of water main pipe is connected with sprays the piece, accept the interior diapire in pond and install the water pump, there is the condenser installed on the rear end face upper end of digit control machine tool, between condenser and the water pump, all link to each other through the connecting pipe between condenser and the sprinkler, it saves in accepting the pond to obtain the coolant liquid after filtering, will accept the coolant liquid in the pond through the water pump and carry to the condenser in, then carry to the sprinkler by the condenser again, make the coolant liquid spray by spraying the piece and go out at last through the sprinkler.

The first preferred technical scheme is as follows: the spraying piece comprises an auxiliary water pipe, a semicircular annular plate and a spraying head, the front end of the main water pipe is semicircular, the auxiliary water pipe is installed on the right side of the main water pipe, the auxiliary water pipes are evenly distributed along the circumferential direction of the front end of the main water pipe, the left end and the right end of each auxiliary water pipe are of hard pipe structures, the middle part of each auxiliary water pipe is of a hose structure, a connecting water pipe is installed at the right end of each auxiliary water pipe in a threaded matching mode, the spraying head is installed at one end, away from the auxiliary water pipe, of the connecting water pipe and is arranged on the semicircular annular plate, the spraying end of the spraying head faces downwards, a supporting plate is connected between the lower end face of the rear end of the semicircular annular plate and the lower end of the spraying head, cooling liquid enters the main water pipe from the spraying head and then sequentially passes through the auxiliary water pipe and the spraying head to be sprayed out, on the basis of arranging the semicircular annular plate and a plurality of spray heads, the cooling liquid can be sprayed at a plurality of angles, the spraying range is enlarged, and the cooling effect on the workpiece and the machined part of the numerical control machine tool is further improved.

The preferred technical scheme is as follows: the sprinkler head comprises a built-in moving block, a circular sprinkler plate and a clamping plate, an arc-shaped through groove is formed in the front end face of a semicircular plate, outer-through arc-shaped grooves are formed in the upper end and the lower end of the arc-shaped through groove respectively, the built-in moving block is slidably mounted in the arc-shaped through groove and sleeved on a linking water pipe, the linking end of the linking water pipe and an auxiliary water pipe is located on the outer side of the semicircular plate, the circular sprinkler plate is mounted at one end, close to the circle center of the semicircular plate, of the linking water pipe in a threaded matching mode, the clamping plate is inserted into the outer annular face of the semicircular plate and evenly distributed along the circumferential direction of the semicircular plate, the quantity of the clamping plate is more than that of the built-in moving block, the linking sleeve at one end, located on the outer side of the semicircular plate, of the clamping plate is arranged at one end, far away from the circle center of the semicircular plate, the right end of the auxiliary water pipe is separated from the linking water pipe through manpower, and then the clamping plate is pulled out of the semicircular plate, so that the screens board and linking the water pipe phase separate, follow the built-in movable block of semicircle annular slab removal immediately, built-in movable block drives linking up water pipe and circular spraying plate synchronous motion, it stops to remove built-in movable block to link up the water pipe and stop after another screens board butt joint, make the right-hand member of secondary water pipe and link to each other with linking up the water pipe through the manual work afterwards, the purpose of carrying out above-mentioned operation is in order to adjust the position of circular spraying plate, borrow this angle of spraying of adjustment coolant liquid, so that the processing position of better cooling workpiece and digit control machine tool.

The preferred technical scheme is three: the internally arranged of one-level filtration basket have the template that returns, the one-level filters about the basket inside wall all with return and be connected electronic slider between the side end face of template, return under the template terminal surface all install the scraper blade all around, the scraper blade contacts between the one end at template center and the inside wall of one-level filtration basket dorsad, the scraper blade is located the top of hollow tube, through the preceding pulling connecting plate of manual mode, the connecting plate drives the hollow tube during motion through the inserted bar synchronization, through connecting electronic slider drive template downstream, the template moves scraper blade synchronous motion returns, the scraper blade strikes off adnexed lubricating grease and waste material on with the one-level filtration basket inside wall, in order to avoid reducing the filtration cycle effect of coolant liquid, the lubricating grease and the waste material that strike off fall into the current instrument that is used for accepting the iron-containing material below the one-level filtration basket.

The preferable technical scheme is four: the up end of bottom shrouding seted up back type and led to the groove, the internal diameter that returns the type and lead to the groove is greater than the external diameter that the basket was filtered to the one-level, it has the grid that is back type structure to lead to the inslot joint of back type, make bottom shrouding and one-level filter basket during separating mutually through the electronic slider of sideslip, a little coolant liquid flows downwards along the bottom shrouding in the one-level filter basket, and under the condition that is provided with back type and leads to the groove, the coolant liquid that flows along the bottom shrouding flows into back type and leads to the inslot, and pass in the grid flows into the second grade filter basket, the waste material in the coolant liquid can be intercepted to the grid, treat that the coolant liquid flows to the greatest extent, take off the grid and clear away its up terminal surface attached waste material through the manual work.

The preferred technical scheme is five: the through-hole that leaks in install the butt joint pipe through screw thread fit, the closing cap is installed through screw thread mode to the lower extreme of butt joint pipe, the lower terminal surface of closing cap has seted up and has leaked the material through-hole, leaks the material through-hole along butt joint pipe circumference evenly distributed, the closing cap is located accepts the top in pond, the coolant liquid after getting rid of waste material and lubricating grease is accepted the pond by butt joint pipe downflow and pass the closing cap inflow, the coolant liquid is at the in-process that passes the closing cap, the closing cap can play the effect of remaining the waste material in filtering the coolant liquid.

The preferred technical scheme is six: the bearing pool is characterized in that external electric sliders are symmetrically arranged on the front end face and the rear end face of the bearing pool, electric push rods are arranged at the upper ends of the opposite sides of the external electric sliders, a concave plate is connected between the upper ends of the electric push rods, the opening end of the concave plate faces to the right, a limiting plate is inserted into the right end of the concave plate, the limiting plate and an internal concave surface of the concave plate are clamped with an inherent salvage plate, the upper end of the salvage plate is of a T-shaped structure, the lower end of the salvage plate is of an L-shaped structure, an installation through groove is formed in each of the vertical section and the horizontal section of the L-shaped structure, filter gauze is arranged in the installation through groove, after cooling liquid stored in the bearing pool is kept stand for a period of time, the electric push rods are driven to slowly move rightwards through the external electric sliders, the limiting plates, the salvage plate and the filter gauze synchronously move along with the electric push rods, residual lubricating grease floating on the surface of the cooling liquid is intensively pushed to the right end of the bearing pool by the gauze, partial lubricating grease is direct to be attached to the surface of the filtering gauze, after the right side inner side wall of the pool is accepted in the right end face contact of the salvaging plate, external electric slider stop motion, then make concave plate and salvaging plate whole slow motion that makes progress through electric putter, filtering gauze simultaneous movement thereupon, the superficial floated remaining lubricating grease of coolant liquid surface is salvaged, and then the filter effect of coolant liquid obtains further improvement, extract the limiting plate through the manual work afterwards, take off the salvaging plate and filter the gauze whole and clean filtering gauze and salvaging plate immediately.

The preferred technical scheme is seven: the disc is installed through the screw-thread fit mode to electric putter's canned paragraph, the deflector is installed to the upper end of disc, the up end of deflector and the lower terminal surface contact of concave plate, electric putter is located between the deflector, on the unchangeable basis of the volume of the coolant liquid in guaranteeing to accept pond, first through electric putter adjustment salvage board lower extreme dip behind the degree of depth of coolant liquid, rotate the disc through the manual work so that the disc drives the deflector upward movement, the lower terminal surface of the up end contact salvage board horizontal segment up to the deflector, when later the salvage board recovers again after the upward movement under electric putter's effect, the deflector can carry on spacingly to the volume of shifting down of salvage board, it is too far away from the lubricating grease that floats in the surface of water to avoid salvage board lower extreme.

The preferred technical scheme is eight: the circular ring plates are connected with the connecting through holes in a threaded matching mode, the connecting plates are pulled upwards manually, the connecting plates drive the insertion rods to move synchronously until the lower ends of the insertion rods are separated from the hollow pipes, then all the circular ring plates are dismounted manually in sequence under the condition that the hollow pipes are held manually, and then the built-in sponges in the circular ring plates are cleaned.

The invention has the following beneficial effects: 1. the circulating filter part designed by the invention has double functions of filtering the used cooling liquid and facilitating manual removal of filtering impurities, on the one hand, the circulating filter part adopts a classified filtering mode, namely, the circulating filter part can perform classified filtering according to the types of the impurities contained in the used cooling liquid, so that the filtering effect of the cooling liquid is improved, and the filtered impurities are conveniently classified, collected and processed, on the other hand, the circulating filter part adopts a movable assembly type structure, and on the other hand, the filtering impurities can be rapidly and intensively removed from the attached structure under the cooperation of manual removal.

2. The salvaging plate and the filtering gauze are integrally matched with the external electric slider and the electric push rod to salvage residual lubricating grease floating on the surface of the cooling liquid in the receiving pool, and on the basis, the filtering effect of the cooling liquid is further improved.

3. The scraper plate, the return plate and the connecting electric slide block adopted by the invention can integrally remove lubricating grease and waste materials attached to the inner side wall of the primary filter basket, so that the reduction of the filtering circulation effect of the cooling liquid is avoided.

4. The invention sets the number of the spray heads for spraying the cooling liquid as a plurality and designs the positions of the spray heads to be adjustable and controllable in order to adjust the spray angle of the cooling liquid and expand the spray range of the cooling liquid.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic perspective view of the present invention and a conventional numerical control machine tool.

Fig. 2 is a schematic perspective view of the present invention.

Fig. 3 is a cross-sectional view (looking from right to left) of fig. 2.

Fig. 4 is an enlarged view of the X region in fig. 3.

Fig. 5 is a perspective view of the main water pipe and the spray member.

Fig. 6 is a right side view of fig. 5.

Fig. 7 is a schematic perspective view of the primary filter basket, the fixing bracket, the hollow tube, the circular plate and the connecting plate.

Fig. 8 is a schematic perspective view of the structure of fig. 7 with the primary filter basket and the fixing bracket removed.

FIG. 9 is a cross-sectional view of the hollow tube, annular plate and integral indwelling sponge.

FIG. 10 is a cross-sectional view of the plate, blade and connecting motorized slide as a whole.

Fig. 11 is a schematic perspective view of the track plate, the bottom sealing plate and the electric lateral-moving slider.

Fig. 12 is a perspective view of the secondary filter element.

Fig. 13 is a schematic perspective view of the structure of fig. 12 with the secondary filter basket removed.

FIG. 14 is a schematic perspective view of the receiving tank, an external electric slider, a concave plate and a filter gauze.

Fig. 15 is a schematic view of a three-dimensional structure of an external electric slider, an electric push rod, a concave plate, a limiting plate, a fishing plate, a filtering gauze, a disc and a guide plate.

In the figure: 1. a circulating filtration part; 2. a cold shower part; 10. a primary filter element; 11. a secondary filter element; 12. a receiving tank; 100. a first stage filter basket; 101. fixing a bracket; 102. a circular ring plate; 103. placing sponge inside; 104. a hollow tube; 105. an insertion rod; 106. a connecting plate; 107. a bottom closing plate; 108. a track plate; 109. transversely moving the electric slide block; 110. a secondary filter basket; 111. a bearing plate; 112. a fixing plate; 113. screen cloth; 114. pulling the movable plate; 115. moving the electric slider downwards; 20. a sprinkler; 21. a main water pipe; 22. a spraying member; 23. a water pump; 24. a condenser; 220. an auxiliary water pipe; 221. a semicircular annular plate; 222. a sprinkler head; 223. a moving block is arranged in the movable block; 224. a circular spray plate; 225. a clamping plate; 13. a plate return; 14. connecting an electric slide block; 15. a squeegee; 116. butt-joint pipes; 117. sealing the cover; 120. an external electric slider; 121. an electric push rod; 122. a concave plate; 123. a limiting plate; 124. salvaging a plate; 125. filtering gauze; 126. a disc; 127. a guide plate.

Detailed Description

The technical scheme in the embodiment of the invention will be made clear below by combining the attached drawings in the embodiment of the invention; fully described, it is to be understood that the described embodiments are merely a few, but not all embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, a digit control machine tool coolant liquid circulating filter, including circulation filter 1 and cold portion of drenching 2, the lower extreme of digit control machine tool has been located to circulation filter 1, and cold portion of drenching 2 is installed in the upper end of having had the digit control machine tool, circulation filter 1 filter 10, second grade by the one-level and filter 11 and accept pond 12 and constitute, the one-level filters 10, second grade and filters 11 and accept pond 12 three from last down arranging in proper order.

Referring to fig. 2, 3, 7, 8, 9 and 11, the primary filter member 10 includes a primary filter basket 100, a fixing support 101, a circular plate 102, a built-in sponge 103, a hollow tube 104, an insertion rod 105, a connecting plate 106, a bottom sealing plate 107, a track plate 108 and a transverse electric slider 109, the primary filter basket 100 with an open lower end is positioned right above the secondary filter member 11, two sets of fixing supports 101 are symmetrically installed at the front and rear ends of the primary filter basket 100, each set of fixing supports 101 includes two fixing supports 101 arranged left and right, a connecting through hole distributed in a matrix is formed in the front end surface of the primary filter basket 100, the circular plate 102 is arranged in the connecting through hole, the built-in sponge 103 with a circular structure is installed on the circular plate 102, the hollow tube 104 is slidably connected between the built-in sponge 103 and the rear end of the primary filter basket 100, an electromagnet is installed in the middle section of the hollow tube 104, the front end of hollow tube 104 is seted up and is vertical to the through-hole that inserts, it has inserted bar 105 to peg graft between the through-hole that inserts on being located same vertical line, the upper end of inserted bar 105 links to each other with the lower extreme of same connecting plate 106, connecting plate 106 is located the front side of one-level filter basket 100, the lower extreme of one-level filter basket 100 is installed back type rubber pad, the lower extreme of back type rubber pad and the up end contact of bottom shrouding 107, both ends symmetrical arrangement has track board 108 about bottom shrouding 107, be connected with sideslip electric slider 109 between the opposite side of track board 108 and the bottom shrouding 107, the looks dorsal part of track board 108 links to each other with fixed bolster 101.

During the operation of the numerical control machine tool, the cold spraying part 2 sprays cooling liquid towards the part of the numerical control machine tool for processing a workpiece, so as to reduce the temperature of the part and achieve the cooling purpose, waste materials are generated during the processing of the workpiece, the waste materials comprise iron-containing substances, other substances and the like, meanwhile, lubricating grease is coated on the surface of the part processed by the numerical control machine tool, the cooling liquid can wash away the waste materials and part of the lubricating grease, the cooling liquid carrying the waste materials and the lubricating grease flows into the primary filtering basket 100, the electromagnet in the hollow tube 104 starts to work, the iron-containing substances in the waste materials are adsorbed on the surface of the hollow tube 104 under the action of the electromagnet, other impurities in the waste materials are accumulated on the upper end surface of the bottom sealing plate 107, the lubricating grease floats on the water surface, after the electromagnet works for a period of time, the bottom sealing plate 107 is driven to move leftwards by the transverse electric sliding block 109, the lower end of the primary filtering basket 100 is gradually opened, the waste material carrying lubricating grease and removing iron-containing substances flows into the secondary filter element 11, then an existing tool for receiving the iron-containing substances is manually placed under the primary filter basket 100, then the connecting plate 106 is manually pulled forwards, the connecting plate 106 synchronously drives the hollow tube 104 to move through the inserting rod 105, the electromagnet temporarily loses magnetism, the iron-containing substances adsorbed on the surface of the hollow tube 104 fall into the receiving tool, the built-in sponge 103 shakes out residual substances on the surface of the hollow tube 104, the shaken-out substances also fall into the receiving tool, lubricating grease is attached to the surface of the hollow tube 104, so that part of the iron-containing substances are still attached to the surface of the hollow tube 104 due to the lubricating grease, the residual iron-containing substances and the attached lubricating grease can be removed by the built-in sponge 103, and a return-type rubber gasket is arranged on the lower end face of the primary filter basket 100, so that the connection sealing performance between the primary filter basket 100 and the bottom sealing plate 107 is improved .

Referring to fig. 2, 3, 12 and 13, the secondary filter element 11 includes a secondary filter basket 110, a receiving plate 111, a fixing plate 112, a mesh 113, a pulling plate 114 and a downward-moving electric slider 115, the lower end of the fixing bracket 101 is connected to the outer surface of the secondary filter basket 110, a water leakage through hole is formed in the middle of the lower end surface of the secondary filter basket 110, the receiving plate 111 is placed on the inner bottom wall of the secondary filter basket 110, the fixing plate 112 is fastened to the upper end of the receiving plate 111, circular through grooves are formed in the upper end surfaces of the receiving plate 111 and the fixing plate 112 and distributed in a matrix shape, the circular through grooves are staggered with the water leakage through hole, the mesh 113 is bonded to the upper end of the fixing plate 112, ear plates are symmetrically installed on the upper end surfaces of the front and rear ends of the secondary filter basket 110, a pin shaft is rotatably installed on the upper end surfaces of the ear plates, the downward-moving electric sliders 115 are symmetrically installed on the front and rear end surfaces of the secondary filter basket 110, the downward-moving electric sliders 115 are located between the left and right fixed brackets 101, the opposite side of the downward moving electric slide block 115 is provided with a pulling plate 114, a pull rope is connected between the upper end of the pulling plate 114 and the upper end of the bearing plate 111, the pull rope bypasses the upper end of a pin shaft connected with a lug plate, the bearing pool 12 is positioned below the secondary filter basket 110, the bearing pool 12 is placed on the ground, the cooling liquid carries the waste materials with the removed iron-containing substances and flows into the secondary filter basket 110 from the primary filter basket 100, the bearing plate 111, the fixed plate 112 and the mesh cloth 113 are all sunk at the bottom of the cooling liquid, the cooling liquid in the secondary filter basket 110 is kept still for a certain time, lubricating grease floats on the water surface, the waste materials are basically accumulated at the upper end of the mesh cloth 113, then the pulling plate 114 is driven to move downwards by the downward moving electric slide block 115, the pulling plate 114 synchronously pulls the pull rope, the bearing plate 111 and the fixed plate 112 slowly move upwards under the pulling of the pull rope, the mesh cloth 113 carries the waste materials to synchronously move upwards, and when the inner bottom wall of the bearing plate 111 and the secondary filter basket 110 separate from each other, the water leakage through holes are opened, the cooling liquid sequentially passes through the mesh cloth 113, the fixing plate 112 and the circular through grooves in the bearing plate 111, the mesh cloth 113 filters waste materials and lubricating grease in the cooling liquid, filtered cooling liquid flows into the bearing pool 12 through the water leakage through holes, when the fixing plate 112 is located outside the secondary filter basket 110, the electric sliding block 115 moves downwards to stop moving, then the fixing plate 112 and the mesh cloth 113 are integrally pulled away from the bearing plate 111 through manpower, then the waste materials and the lubricating grease on the upper end face of the mesh cloth 113 are removed, the fixing plate 112 and the mesh cloth 113 are integrally put back to the original position after the removal, then the bearing plate 111 and the fixing plate 112 are returned to the original position through the electric sliding block 115 moving downwards, and the lower end face of the bearing plate 111 is tightly attached to the inner bottom wall of the secondary filter basket 110.

Referring to fig. 2, 5 and 6, the cold spraying part 2 includes a sprayer 20, a main water pipe 21 and a spraying member 22, the sprayer 20 is installed at the upper end of the numerical control machine, the main water pipe 21 is installed at the front end of the sprayer 20, the spraying member 22 is connected to the right side of the main water pipe 21, a water pump 23 is installed on the inner bottom wall of the receiving tank 12, a condenser 24 is installed at the upper end of the rear end face of the existing numerical control machine, the space between the condenser 24 and the water pump 23 and the space between the condenser 24 and the sprayer 20 are all connected through connecting pipes, so that the filtered cooling liquid is stored in the receiving tank 12, the cooling liquid in the receiving tank 12 is conveyed to the condenser 24 through the water pump 23 and then conveyed to the sprayer 20 through the condenser 24, finally the cooling liquid is sprayed out through the spraying member 22 through the sprayer 20, and is recycled among the cold spraying part 2, the circulating filter part 1, the receiving tank 12 and the condenser 24, the water resource waste and the processing cost are effectively reduced.

Referring to fig. 5 and 6, the spray member 22 includes a sub water pipe 220, a semicircular annular plate 221 and a spray head 222, the front end of the main water pipe 21 is semicircular, the right side of the main water pipe 21 is provided with the sub water pipe 220, the sub water pipe 220 is uniformly arranged along the circumferential direction of the front end of the main water pipe 21, the left and right ends of the sub water pipe 220 are hard pipe structures, the middle part of the sub water pipe 220 is a hose structure, the right end of the sub water pipe 220 is provided with a connecting water pipe in a screw thread fit manner, one end of the connecting water pipe away from the sub water pipe 220 is provided with the spray head 222, the spray head 222 is arranged on the semicircular annular plate 221, the spray end of the spray head 222 faces downwards, a support plate is connected between the lower end face of the rear end of the semicircular annular plate 221 and the lower end of the spray device 20, the cooling liquid enters the main water pipe 21 from the spray device 20, then sequentially passes through the sub water pipe 220 and the spray head 222, and then goes out on the basis of the semicircular annular plate 221 and the plurality of spray heads 222, the cooling liquid can be sprayed under a plurality of angles, the spraying range is enlarged, and the cooling effect on the workpiece and the machining part of the numerical control machine tool is further improved.

Referring to fig. 5 and 6, the sprinkler head 222 is composed of a built-in moving block 223, a circular sprinkler plate 224 and a clamping plate 225, an arc-shaped through groove is formed in the front end surface of the semicircular plate 221, outward arc-shaped grooves are formed in the upper end and the lower end of the arc-shaped through groove, the built-in moving block 223 is slidably mounted in the arc-shaped through groove, the built-in moving block 223 is sleeved on the connecting water pipe, the connecting end of the connecting water pipe and the auxiliary water pipe 220 is located on the outer side of the semicircular plate 221, the circular sprinkler plate 224 is mounted at one end of the connecting water pipe close to the circle center of the semicircular plate 221 in a threaded fit manner, the clamping plate 225 is inserted into the outer ring surface of the semicircular plate 221, the clamping plate 225 is evenly distributed along the circumferential direction of the semicircular plate 221, the number of the clamping plate 225 is greater than that of the built-in moving block 223, one end of the clamping plate 225, which is located at the outer side of the semicircular plate 221, is sleeved at one end of the connecting water pipe far away from the circle center of the semicircular plate 221, make the right-hand member of secondary water pipe 220 break away from linking the water pipe through the manual work, then pull out screens board 225 to the outside of semicircular ring shape board 221, so that screens board 225 and linking the water pipe phase separation, follow semicircular ring shape board 221 and remove built-in movable block 223 immediately, built-in movable block 223 drives linking water pipe and circular spraying plate 224 simultaneous movement, link up the water pipe and stop removing built-in movable block 223 after another screens board 225 docks, make the right-hand member of secondary water pipe 220 and link up the water pipe through the manual work afterwards and link up, the purpose of carrying out above-mentioned operation is in order to adjust the position of circular spraying plate 224, borrow this to adjust the angle of spraying of coolant liquid, so that the processing position of better cooling workpiece and digit control machine tool.

Referring to fig. 8 and 10, a return plate 13 is arranged inside the primary filter basket 100, a connecting electric slider 14 is connected between the left and right inner side walls of the primary filter basket 100 and the side end surface of the return plate 13, scrapers 15 are arranged around the lower end surface of the return plate 13, one end of each scraper 15 back to the center of the return plate 13 is in contact with the inner side wall of the primary filter basket 100, the scraper 15 is located above the hollow tube 104, during the manual pulling forward of the connecting plate 106, the connecting plate 106 synchronously drives the hollow tube 104 to move through the insertion rod 105, the return plate 13 is driven to move downwards by connecting the electric slide block 14, the return plate 13 drives the scraper 15 to move synchronously, the scraper 15 scrapes lubricating grease and waste materials attached to the inner side wall of the primary filter basket 100, to avoid reducing the filtering circulation effect of the coolant, the scraped grease and waste material fall into the existing tool for receiving iron-containing substances below the primary filter basket 100.

Referring to fig. 11, a circular groove is formed in the upper end surface of the bottom sealing plate 107, the inner diameter of the circular groove is larger than the outer diameter of the primary filter basket 100, a grid plate having a circular structure is clamped in the circular groove, when the bottom sealing plate 107 is separated from the primary filter basket 100 by the transverse electric slider 109, a small amount of coolant in the primary filter basket 100 flows downward along the bottom sealing plate 107, and when the circular groove is formed, the coolant flowing along the bottom sealing plate 107 flows into the circular groove and flows into the secondary filter basket 110 through the grid plate, the grid plate can intercept waste in the coolant, and after the coolant flows out, the grid plate is manually removed and waste attached to the upper end surface of the grid plate is removed.

Referring to fig. 3 and 4, the butt joint pipe 116 is installed in the water leakage through hole in a threaded matching manner, the sealing cover 117 is installed at the lower end of the butt joint pipe 116 in a threaded manner, a material leakage through hole is formed in the lower end surface of the sealing cover 117, the material leakage through holes are evenly distributed along the circumferential direction of the butt joint pipe 116, the sealing cover 117 is located above the receiving pool 12, the cooling liquid from which the waste material and the lubricating grease are removed flows downwards from the butt joint pipe 116 and flows into the receiving pool 12 through the sealing cover 117, and the sealing cover 117 can play a role in filtering residual waste material in the cooling liquid in the process that the cooling liquid passes through the sealing cover 117.

Referring to fig. 14 and 15, the external electric sliding blocks 120 are symmetrically installed on the front end surface and the rear end surface of the receiving tank 12, the electric push rods 121 are installed on the upper ends of the opposite sides of the external electric sliding blocks 120, a concave plate 122 is connected between the upper ends of the electric push rods 121, the open end of the concave plate 122 faces to the right, a limiting plate 123 is inserted into the right end of the concave plate 122, a salvaging plate 124 is fixed on the inner concave surfaces of the limiting plate 123 and the concave plate 122, the upper end of the salvaging plate 124 is of a T-shaped structure, the lower end of the salvaging plate 124 is of an L-shaped structure, installation through grooves are formed in the vertical section and the horizontal section of the L-shaped structure, filter gauzes 125 are installed in the installation through grooves, after the cooling liquid stored in the receiving tank 12 is kept still for a period of time, the external electric push rods 121 are driven to slowly move rightwards by the external electric sliding blocks 120, the concave plate 122 drives the limiting plate 123, the salvaging plate 124 and the filter gauzes 125 to synchronously move along with the electric push rods 121, the net cloth 113 intensively pushes the floating residual lubricating grease on the surface of the cooling liquid to the right end of the receiving pool 12, in the process, part of the lubricating grease is directly attached to the surface of the filtering gauze 125, after the right end face of the fishing plate 124 contacts the right inner side wall of the receiving pool 12, the external electric slider 120 stops moving, then the concave plate 122 and the fishing plate 124 integrally move upwards slowly through the electric push rod 121, the filtering gauze 125 synchronously moves therewith, the floating residual lubricating grease on the surface of the cooling liquid is fished up, the filtering effect of the cooling liquid is further improved, then the limiting plate 123 is pulled out manually, and the fishing plate 124 and the filtering gauze 125 are integrally taken down and the filtering gauze 125 and the fishing plate 124 are cleaned.

Referring to fig. 15, the fixed section of the electric push rod 121 is provided with a disc 126 in a threaded fit manner, the upper end of the disc 126 is provided with a guide plate 127, the upper end surface of the guide plate 127 is in contact with the lower end surface of the concave plate 122, the electric push rod 121 is located between the guide plates 127, on the basis of ensuring that the total volume of the cooling liquid in the receiving pool 12 is not changed, after the depth of the lower end of the fishing plate 124 immersed in the cooling liquid is adjusted by the electric push rod 121 for the first time, the disc 126 is manually rotated to drive the guide plate 127 to move upwards until the upper end surface of the guide plate 127 is in contact with the lower end surface of the horizontal section of the fishing plate 124, and then when the fishing plate 124 is restored after moving upwards under the action of the electric push rod 121, the guide plate 127 can limit the downward movement of the fishing plate 124, so as to prevent the lower end of the fishing plate 124 from being too far from the lubricating grease floating on the water surface.

Referring to fig. 7 and 8, the circular ring plates 102 are connected with the connecting through holes in a threaded matching manner, the connecting plate 106 is pulled upwards manually to drive the insertion rods 105 to move synchronously until the lower ends of the insertion rods 105 are separated from the hollow tubes 104, all the circular ring plates 102 are sequentially detached manually under the condition that the hollow tubes 104 are held manually, and then the built-in sponge 103 in the circular ring plates 102 is cleaned.

The specific working process of the cooling liquid circulating filter of the numerical control machine tool is as follows: s1, the cooling liquid filtered by the circulating filter part 1 is stored in the receiving pool 12, the cooling liquid in the receiving pool 12 is conveyed to the condenser 24 through the water pump 23, then is conveyed to the sprayer 20 through the condenser 24, and finally is sprayed out through the sprayer 20 by the spraying piece 22, so that the processing part and the workpiece of the numerical control machine tool are cooled.

S2, the waste materials washed down by the cooling liquid and the lubricating grease flow into the primary filtering basket 100 together, the electromagnet in the hollow tube 104 starts to work, the iron-containing substances in the waste materials are adsorbed on the surface of the hollow tube 104 under the action of the electromagnet, other impurities in the waste materials are accumulated on the upper end surface of the bottom sealing plate 107, and the lubricating grease floats on the water surface.

S3, after the electromagnet works for a period of time, the electric slide block 109 is transversely moved to drive the bottom sealing plate 107 to move leftwards, the lower end of the primary filter basket 100 is gradually opened, waste materials carrying lubricating grease and removing iron-containing substances flow into the secondary filter basket 110, cooling liquid flowing along the bottom sealing plate 107 flows into the circular groove and flows into the secondary filter basket 110 through the grid plate, the grid plate intercepts the waste materials in the cooling liquid, the cooling liquid in the secondary filter basket 110 is kept stand for a certain period of time, the lubricating grease floats on the water surface, the waste materials are basically accumulated at the upper end of the mesh cloth 113, then the electric slide block 115 is moved downwards to drive the pull plate 114 to move downwards, the pull plate 114 synchronously pulls the pull rope, the bearing plate 111 and the fixing plate 112 slowly move upwards under the pulling of the pull rope, the mesh cloth 113 carries the waste materials to synchronously move upwards, and when the bearing plate 111 is separated from the inner bottom wall of the secondary filter basket 110, the water leakage through holes are opened, the cooling liquid sequentially passes through the mesh cloth 113, the fixing plate 112 and the circular through grooves on the receiving plate 111, the mesh cloth 113 filters waste materials and lubricating grease in the cooling liquid, and the filtered cooling liquid flows into the receiving pool 12 through the water leakage through holes.

S4, manually placing an existing tool for receiving iron-containing substances under the primary filter basket 100, manually pulling the connecting plate 106 forward, enabling the connecting plate 106 to synchronously drive the hollow tube 104 to move through the insertion rod 105, temporarily losing magnetism of the electromagnet, enabling the iron-containing substances adsorbed on the surface of the hollow tube 104 to fall into the receiving tool, enabling the built-in sponge 103 to smooth out substances remaining on the surface of the hollow tube 104, enabling the smoothed-out substances to fall into the receiving tool, moving the electric slide block 115 downwards to stop moving after the fixing plate 112 is located outside the secondary filter basket 110, manually pulling the fixing plate 112 and the mesh 113 from the receiving plate 111, and then removing waste and lubricating grease on the upper end face of the mesh 113.

S5, after the cooling liquid stored in the receiving pool 12 is kept stand for a period of time, the electric push rod 121 is driven by the external electric slider 120 to move slowly rightwards, the concave plate 122 drives the limiting plate 123, the fishing plate 124 and the filtering gauze 125 to move synchronously with the electric push rod 121, the net cloth 113 pushes residual lubricating grease floating on the surface of the cooling liquid to the right end of the receiving pool 12 in a centralized mode, in the process, part of the lubricating grease is directly attached to the surface of the filtering gauze 125, when the right end face of the fishing plate 124 contacts with the right inner side wall of the receiving pool 12, the external electric slider 120 stops moving, then the concave plate 122 and the fishing plate 124 integrally move slowly upwards through the electric push rod 121, the filtering gauze 125 moves synchronously with the filtering gauze 125, the residual lubricating grease floating on the surface of the cooling liquid is fished, and the cooling liquid in the receiving pool 12 is the cooling liquid filtered by the circulating filter part 1 at the moment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a digit control machine tool coolant liquid circulating filter, includes circulating filtration portion (1) and cold portion (2) that drenches, its characterized in that: the circulating filter part (1) is arranged at the lower end of an existing numerical control machine tool, the cold spraying part (2) is installed at the upper end of the existing numerical control machine tool, the circulating filter part (1) consists of a primary filter part (10), a secondary filter part (11) and a receiving pool (12), and the primary filter part (10), the secondary filter part (11) and the receiving pool (12) are sequentially arranged from top to bottom;

the primary filter piece (10) comprises a primary filter basket (100), fixing supports (101), a circular ring plate (102), a built-in sponge (103), hollow pipes (104), insertion rods (105), connecting plates (106), a bottom sealing plate (107), a track plate (108) and a transverse electric slider (109), wherein the primary filter basket (100) with an open structure at the lower end is positioned right above the secondary filter piece (11), two groups of fixing supports (101) are symmetrically arranged at the front end and the rear end of the primary filter basket (100), each group of fixing supports (101) comprises two fixing supports (101) which are arranged left and right, connecting through holes distributed in a matrix form are formed in the front end face of the primary filter basket (100), the circular ring plate (102) is arranged in the connecting through holes, the built-in sponge (103) with a circular ring structure is arranged on the circular ring plate (102), the hollow pipes (104) are slidably connected between the built-in sponge (103) and the rear end of the primary filter basket (100), an electromagnet is arranged in the middle section of the hollow pipe (104), a vertical insertion through hole is formed in the front end of the hollow pipe (104), an insertion rod (105) is inserted between the insertion through holes on the same vertical line, the upper end of the insertion rod (105) is connected with the lower end of the same connecting plate (106), the connecting plate (106) is located on the front side of the primary filtering basket (100), a clip-shaped rubber pad is arranged at the lower end of the primary filtering basket (100), the lower end of the clip-shaped rubber pad is in contact with the upper end face of the bottom sealing plate (107), track plates (108) are symmetrically arranged at the left end and the right end of the bottom sealing plate (107), a transverse moving electric sliding block (109) is connected between the opposite side of each track plate (108) and the bottom sealing plate (107), and the opposite side of each track plate (108) is connected with a fixed support (101);

the secondary filter piece (11) comprises a secondary filter basket (110), a bearing plate (111), a fixing plate (112), mesh cloth (113), a pulling plate (114) and downward-moving electric sliders (115), the lower end of a fixing support (101) is connected with the outer surface of the secondary filter basket (110), the middle of the lower end face of the secondary filter basket (110) is provided with a water leakage through hole, the bearing plate (111) is placed on the inner bottom wall of the secondary filter basket (110), the upper end of the bearing plate (111) is clamped with the fixing plate (112), the upper end faces of the bearing plate (111) and the fixing plate (112) are both provided with circular through grooves distributed in a matrix manner, the circular through grooves are staggered with the water leakage through holes, the mesh cloth (113) is bonded on the upper end of the fixing plate (112), lug plates are symmetrically mounted on the upper end faces of the front end face and the rear end face of the secondary filter basket (110), a pin shaft is rotatably mounted on the upper end faces of the lug plates, the front end face and the rear end face of the secondary filter basket (110) are symmetrically mounted with downward-moving electric sliders (115), the downward moving electric sliding block (115) is positioned between the fixed brackets (101) which are arranged left and right, the reverse side of the downward moving electric sliding block (115) is provided with a pulling plate (114), a pull rope is connected between the upper end of the pulling plate (114) and the upper end of the bearing plate (111), the pull rope bypasses the upper end of a pin shaft connected with the ear plate, the bearing pool (12) is positioned below the secondary filtering basket (110), and the bearing pool (12) is arranged on the ground;

the cold spraying part (2) comprises a sprayer (20), a main water pipe (21) and a spraying piece (22), the sprayer (20) is installed at the upper end of the numerical control machine tool, the main water pipe (21) is installed at the front end of the sprayer (20), the spraying piece (22) is connected to the right side of the main water pipe (21), a water pump (23) is installed on the inner bottom wall of the bearing pool (12), a condenser (24) is installed at the upper end of the rear end face of the existing numerical control machine tool, and the condenser (24) is connected with the water pump (23) and the sprayer (20) through connecting pipes;

the spraying part (22) comprises an auxiliary water pipe (220), a semicircular annular plate (221) and spraying heads (222), the front end of the main water pipe (21) is semicircular, the auxiliary water pipe (220) is installed on the right side of the main water pipe (21), the auxiliary water pipes (220) are uniformly distributed along the circumferential direction of the front end of the main water pipe (21), the left end and the right end of each auxiliary water pipe (220) are of hard pipe structures, the middle part of each auxiliary water pipe (220) is of a hose structure, a connecting water pipe is installed at the right end of each auxiliary water pipe (220) in a threaded matching mode, one end, far away from the auxiliary water pipe (220), of each connecting water pipe is provided with the spraying head (222), each spraying head (222) is arranged on the semicircular annular plate (221), the spraying end of each spraying head (222) faces downwards, and a supporting plate is connected between the lower end face of the rear end of the semicircular annular plate (221) and the lower end of each spraying device (20);

the sprinkler head (222) is composed of a built-in moving block (223), a circular sprinkling plate (224) and a clamping plate (225), an arc-shaped through groove is formed in the front end face of a semicircular plate (221), outer through arc-shaped grooves are formed in the upper end and the lower end of the arc-shaped through groove, the built-in moving block (223) is installed in the arc-shaped through groove in a sliding mode, the built-in moving block (223) is sleeved on a connecting water pipe, the connecting end of the connecting water pipe and an auxiliary water pipe (220) is located on the outer side of the semicircular plate (221), the circular sprinkling plate (224) is installed at one end, close to the circle center of the semicircular plate (221), of the connecting water pipe in a threaded matching mode, the clamping plate (225) is inserted into the outer ring face of the semicircular plate (221), the clamping plate (225) is evenly distributed in the circumferential direction of the semicircular plate (221), the number of the clamping plate (225) is larger than that of the built-in moving block (223), one end, located on the outer side of the semicircular plate (225), of the clamping plate (225), is sleeved on the connecting water pipe, and is far away from the circle center of the semicircular plate (221) And (4) end.

2. The cooling liquid circulating filter of the numerical control machine tool as claimed in claim 1, wherein: the inside arrangement of one-level filter basket (100) have back of the body board (13), the one-level filters about basket (100) the inside wall all with return and be connected electronic slider (14) between the side end face of type board (13), return the terminal surface under type board (13) and all install scraper blade (15) all around, contact between the one end at back of the body board (13) center of scraper blade (15) and the inside wall of one-level filter basket (100), scraper blade (15) are located the top of hollow tube (104).

3. The cooling liquid circulating filter of the numerical control machine tool as claimed in claim 1, wherein: the upper end face of the bottom sealing plate (107) is provided with a circular through groove, the inner diameter of the circular through groove is larger than the outer diameter of the primary filtering basket (100), and a grid plate in a circular structure is clamped in the circular through groove.

4. The coolant circulation filter for the numerically-controlled machine tool according to claim 1, wherein: the water leakage through hole is internally provided with a butt joint pipe (116) in a thread matching mode, the lower end of the butt joint pipe (116) is provided with a sealing cover (117) in a thread mode, the lower end surface of the sealing cover (117) is provided with material leakage through holes, the material leakage through holes are uniformly distributed along the circumferential direction of the butt joint pipe (116), and the sealing cover (117) is positioned above the receiving pool (12).

5. The cooling liquid circulating filter of the numerical control machine tool as claimed in claim 1, wherein: bear the front and back both ends face symmetry in pond (12) and install external electronic slider (120), electronic push rod (121) are installed to the upper end of external electronic slider (120) opposite side, be connected with concave template (122) between the upper end of electronic push rod (121), the opening end of concave template (122) faces the right side, the right-hand member of concave template (122) is pegged graft and is had limiting plate (123), inherent salvage board (124) of interior concave card of limiting plate (123) and concave template (122), the upper end of salvage board (124) is T type structure, the lower extreme of salvage board (124) is L type structure, the vertical section of L type structure, the installation is led to the groove all has been seted up to the horizontal segment, install in the installation is led to the inslot and is filtered gauze (125).

6. The coolant circulation filter of numerically-controlled machine tool according to claim 5, characterized in that: disc (126) are installed through screw-thread fit mode to the fixed section of electric putter (121), and deflector (127) are installed to the upper end of disc (126), and the up end of deflector (127) and the lower terminal surface contact of concave board (122), and electric putter (121) are located between deflector (127).

7. The cooling liquid circulating filter of the numerical control machine tool as claimed in claim 1, wherein: the circular ring plate (102) is connected with the connecting through hole in a threaded matching mode.

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