CN112276665A - Cooling device of intelligent numerical control machining center - Google Patents
Cooling device of intelligent numerical control machining center Download PDFInfo
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- CN112276665A CN112276665A CN202011103512.2A CN202011103512A CN112276665A CN 112276665 A CN112276665 A CN 112276665A CN 202011103512 A CN202011103512 A CN 202011103512A CN 112276665 A CN112276665 A CN 112276665A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1069—Filtration systems specially adapted for cutting liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1076—Arrangements for cooling or lubricating tools or work with a cutting liquid nozzle specially adaptable to different kinds of machining operations
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Abstract
The invention relates to the technical field of machining, in particular to a cooling device of an intelligent numerical control machining center, which comprises a rack, a liquid storage tank, a filtrate mechanism, a cleaning mechanism, a cooling mechanism, a gas-liquid mixing mechanism and a spray head, wherein the liquid storage tank is arranged on the rack; the liquid storage tank is arranged on the rack, and the liquid inlet end is connected with the liquid outlet end of the filtrate mechanism; the filtrate mechanism is arranged on the rack, is positioned above the liquid storage tank and is communicated with the bottom of the cleaning mechanism; the cleaning mechanism is detachably erected above the filtrate mechanism; the cooling mechanism is arranged on the frame, and the liquid inlet end is connected with the liquid outlet end of the liquid storage tank; the liquid inlet end of the gas-liquid mixing mechanism is connected with the liquid outlet end of the cooling mechanism; the spray head is arranged at the liquid outlet end of the gas-liquid mixing mechanism, and the opening of the spray head faces the top end of the cleaning mechanism; the scheme is clean and convenient, saves labor cost, has high cooling efficiency, and is energy-saving and environment-friendly.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a cooling device of an intelligent numerical control machining center.
Background
At present, in the process of machining a workpiece by a numerical control machine tool, heat generated by friction between a cutter and the workpiece to be machined anneals the cutter, influences the machining quality of the workpiece, and simultaneously causes the cutter to be worn or even scrapped. The existing numerical control machining cooling liquid is basically disposable, so that waste is easily caused, the machining cost is increased, although a cooling system capable of being recycled has appeared on the market, the quality of the cooling liquid for secondary circulation cannot be guaranteed due to incomplete structural design, a large amount of fine iron chips are doped to influence production work, splashing easily occurs to water flow sprayed by a spray head, the iron chips generated in the work are collided with all parts of a machine body, and the machine body is damaged.
Chinese patent CN201620915266.3 discloses a numerical control processing cooling device, include the workstation and install the landing leg in workstation lower extreme both sides, wait the water tray is installed to the both sides of landing leg, wait the water purification bucket in the water tray water gets into in the water tank after the filter screen coarse filtration, the basket that purification bucket bottom magnet made can fully contact with the coolant liquid, be used for adsorbing tiny iron fillings in the coolant liquid, the coolant liquid that purifies flows into the water tank from the upper end of purification bucket, the water pump is sent the coolant liquid in the water tank to the gas-liquid mixing case, the air pump supplies air to the gas-liquid mixing incasement, make the coolant liquid in the gas-liquid mixing case be the foam form, rethread water pipe is from the shower nozzle blowout, the problem that coolant liquid splash and quality can not be guaranteed has been solved, so the utility model discloses rational in infrastructure, and novel in design, the value is high. However, the above scheme also has the following disadvantages: in the process of continuous recycling of the cooling liquid, the cooling liquid absorbs heat generated by friction between the cutter and the workpiece, the temperature of the cooling liquid is increased, so that the heat absorption capacity of the cooling liquid is reduced, and the cutter is easily damaged due to overhigh temperature.
Chinese patent CN201821278931.8 discloses a numerical control center cooling device, including the workstation subassembly, the workstation subassembly includes workstation and supporting leg, the supporting leg welding is in the four corners of workstation, install the backup pad between the supporting leg, install the collecting vat between the supporting leg, the collecting vat is connected with the collecting box through first pipe, the input intercommunication of collecting box and condenser pipe, the water inlet of water pump is inserted to the output of condenser pipe, the exit linkage of water pump has the second pipe, the shower nozzle is installed to the end of second pipe, the installation of condenser pipe is on the mounting bracket of its rear side, the mounting bracket is installed between the upper and lower both sides board of box, the motor is installed through the bracing piece to the inner chamber of box, install the flabellum on the output shaft of motor. The utility model discloses a cooling liquid to the condenser pipe of circulating flow through is bloied and is cooled down to improve the cooling effect, prolong the life of cutter.
But the coolant liquid circulation structure of this scheme is blockked up by the piece easily, needs the manual work to clear up many times, wastes time and energy, influences machining efficiency. And the cooling efficiency still has room for improvement.
Disclosure of Invention
In order to solve the technical problem, the cooling device of the intelligent numerical control machining center is provided, and the technical scheme solves the problems, is clean and convenient, saves labor cost, has high cooling efficiency, and is energy-saving and environment-friendly.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
a cooling device of an intelligent numerical control machining center is characterized by comprising a rack, a liquid storage tank, a filtrate mechanism, a cleaning mechanism, a cooling mechanism, a gas-liquid mixing mechanism and a spray head;
the liquid storage tank is arranged on the rack, and the liquid inlet end of the liquid storage tank is connected with the liquid outlet end of the filtrate mechanism and used for storing cooling liquid and recovering the cooling liquid filtered by the filtrate mechanism;
the filtrate mechanism is arranged on the rack, is positioned above the liquid storage tank, is communicated with the bottom of the cleaning mechanism and is used for filtering the used cooling liquid;
the cleaning mechanism is detachably erected above the filtrate mechanism and is used for collecting and cleaning the debris remained on the filtrate mechanism;
the cooling mechanism is arranged on the rack, and the liquid inlet end of the cooling mechanism is connected with the liquid outlet end of the liquid storage tank and is used for cooling the cooling liquid recovered by the liquid storage tank;
the liquid inlet end of the gas-liquid mixing mechanism is connected with the liquid outlet end of the cooling mechanism and is used for carrying out gas-liquid on the cooled cooling liquid to enable the cooling liquid to form a foam shape;
and the spray head is arranged at the liquid outlet end of the gas-liquid mixing mechanism, and the opening of the spray head faces the top end of the cleaning mechanism and is used for spraying the cooling liquid treated by the gas-liquid mixing mechanism to cool the processed workpiece.
Preferably, the liquid storage tank comprises a liquid return pipe, a liquid supplementing pipe, a control valve and a liquid outlet pipe;
the liquid return pipe is arranged at the top end of the liquid storage tank, is connected with the liquid outlet end of the filtrate mechanism and is used for recovering the cooling liquid filtered by the filtrate mechanism;
the liquid supplementing pipe is arranged on the liquid storage tank and is used for storing and supplementing cooling liquid to the liquid storage tank in advance;
the control valve is arranged on the liquid supplementing pipe and used for controlling the opening and closing of the liquid supplementing pipe;
and the liquid outlet pipe is arranged on the liquid storage tank and connected with the liquid inlet end of the cooling mechanism for guiding the cooling liquid into the cooling mechanism.
Preferably, the filtrate mechanism comprises a water-waiting disc and a filter screen;
the top end of the water waiting disc is fixedly connected with the bottom of the cleaning mechanism, and the liquid outlet end at the bottom is connected with the liquid inlet end of the liquid storage tank and used for guiding cooling liquid into the liquid storage tank;
the filter screen is detachably installed on the top end of the water waiting disc and used for filtering the cooling liquid.
Preferably, the bottom of the water waiting tray is of a funnel-shaped structure.
Preferably, the cleaning mechanism comprises a first mounting frame, a linear driving assembly, a sliding block and an electromagnet;
the first mounting frame is of a frame-shaped structure and is mounted at the top end of the filtrate mechanism, one end in the horizontal direction is provided with a chip removal port, and a sealing cover is arranged on the chip removal port in an openable manner;
the linear driving assembly is arranged on the first mounting frame and used for driving the sliding block to move on the first mounting frame in the horizontal direction;
the sliding block is movably arranged on the first mounting frame along the horizontal direction, and the working end of the sliding block is arranged towards the direction of the filtrate mechanism;
the electromagnet is detachably installed at the bottom of the sliding block and used for collecting the scraps on the top end of the filtrate mechanism.
Preferably, the linear driving assembly comprises a lead screw, a guide rod and a rotary driver;
the two ends of the screw rod are rotatably connected with the two ends of the first mounting frame in the horizontal direction and are in threaded connection with the sliding block so as to drive the linear driving assembly to horizontally displace on the first mounting frame;
the guide rods are provided with a pair of guide rods, are symmetrically arranged relative to the screw rod, are parallel to the axis of the screw rod, are fixedly connected with the first mounting frame at two ends, are in clearance fit with the sliding block and are used for guiding and limiting the movement direction of the sliding block;
and the rotary driver is arranged on the first mounting frame, and the output end of the rotary driver is fixedly connected with the end part of the lead screw and used for driving the lead screw to rotate.
Preferably, the top end of the sliding block is of a slope structure.
Preferably, the cooling mechanism comprises a spiral radiating pipe, radiating fins and a fan assembly;
the liquid inlet end of the spiral radiating pipe is connected with the liquid outlet end of the liquid storage tank, and the liquid outlet end of the spiral radiating pipe is connected with the liquid inlet end of the gas-liquid mixing mechanism and used for primarily radiating the cooling liquid;
a plurality of radiating fins which are uniformly arranged on the peripheral wall of the spiral radiating pipe and have gaps with each other, and are used for radiating heat of the spiral radiating pipe so as to further improve the cooling effect of the cooling liquid;
the fan assembly is arranged in the spiral radiating pipe and is collinear with the axis of the spiral radiating pipe, and the working direction of the fan assembly faces the inner side of the spiral radiating pipe and is used for air cooling the cooling liquid.
Preferably, the fan assembly comprises a support frame and a fan;
the support frame is arranged on the rack, is positioned in the center of the cooling mechanism, is of a frame structure and is used for mounting the fan;
the fans are provided with a plurality of fans which are uniformly fixed on the supporting frame around the axis of the supporting frame, and the working ends of the fans face the inner side of the spiral radiating pipe and are used for air cooling the cooling liquid.
Preferably, the gas-liquid mixing mechanism comprises an air pump and a venturi;
the air pump is fixed on the frame, and the working end of the air pump is connected with the venturi;
and the liquid inlet end of the venturi is connected with the liquid outlet end of the cooling mechanism, the gas inlet end of the venturi is connected with the working end of the air pump, and the liquid outlet end of the venturi is connected with the liquid inlet end of the spray head and used for mixing gas and liquid of the cooling liquid.
Compared with the prior art, the invention has the beneficial effects that:
1. the filter mechanism cleaning device is convenient to clean, saves labor cost, and is specific, when the filter mechanism is required to be cleaned, the controller sends a signal to the linear driving assembly, and the linear driving assembly receives the signal and then drives the sliding block to drive the electromagnet to pass through the upper end of the filter mechanism. The controller adsorbs the chips through the electromagnet, and the electromagnet drives the chips to move to the chip removal port of the first mounting frame. The working personnel open the sealing cover of the chip removal port of the first mounting frame, then close the electromagnet through the controller, and then catch the chips falling from the electromagnet to finish cleaning the filtrate mechanism;
2. high and energy-concerving and environment-protective of cooling efficiency, specific, the coolant liquid in the liquid storage tank takes place the heat exchange with spiral cooling tube when the spiral cooling tube, carries out preliminary cooling. The radiating fins and the spiral radiating pipe exchange heat to continuously conduct heat outwards. The controller carries out air cooling on the spiral radiating pipe and the radiating fins through the fan assembly. Gaps are reserved among the radiating fins, so that air outlet of the fan assembly can be prevented from being blocked. The power of the fan assembly is adjusted by matching with the temperature sensor, and balance between energy-saving and cooling effects is achieved.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a second perspective view of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a top view of the present invention;
FIG. 5 is a perspective view of a fluid reservoir of the present invention;
FIG. 6 is a perspective view of the filtrate mechanism of the present invention;
FIG. 7 is a first perspective view of the cleaning mechanism of the present invention;
FIG. 8 is a second perspective view of the cleaning mechanism of the present invention;
FIG. 9 is a perspective view of the cooling mechanism of the present invention;
fig. 10 is an exploded perspective view of fig. 9.
The reference numbers in the figures are:
1-a frame;
2-a liquid storage tank; 2 a-a liquid return pipe; 2 b-a liquid replenishing pipe; 2 c-a control valve; 2 d-a liquid outlet pipe;
3-a filtrate mechanism; 3 a-equal water tray; 3 b-a filter screen;
4-a cleaning mechanism; 4 a-a first mounting frame; 4 b-a linear drive assembly; 4b 1-lead screw; 4b 2-guide bar; 4b3 — rotational drive; 4 c-sliding block; 4c 1-ramp portion; 4 d-an electromagnet;
5-a cooling mechanism; 5 a-spiral radiating pipe; 5 b-radiating fins; 5 c-a fan assembly; 5c 1-scaffold; 5c 2-Fan;
6-a gas-liquid mixing mechanism; 6 a-an air pump; 6 b-a venturi;
7-spray head.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
As shown in fig. 1 to 4, a cooling device of an intelligent numerical control machining center comprises a frame 1, a liquid storage tank 2, a filtrate mechanism 3, a cleaning mechanism 4, a cooling mechanism 5, a gas-liquid mixing mechanism 6 and a spray head 7;
the liquid storage tank 2 is arranged on the rack 1, and the liquid inlet end of the liquid storage tank is connected with the liquid outlet end of the filtrate mechanism 3 and used for storing cooling liquid and recovering the cooling liquid filtered by the filtrate mechanism 3;
the filtrate mechanism 3 is arranged on the rack 1, is positioned above the liquid storage tank 2, is communicated with the bottom of the cleaning mechanism 4 and is used for filtering the used cooling liquid;
the cleaning mechanism 4 is detachably erected above the filtrate mechanism 3 and is used for collecting and cleaning the debris remained on the filtrate mechanism 3;
the cooling mechanism 5 is arranged on the rack 1, and the liquid inlet end of the cooling mechanism is connected with the liquid outlet end of the liquid storage tank 2 and used for cooling the cooling liquid recovered by the liquid storage tank 2;
the liquid inlet end of the gas-liquid mixing mechanism 6 is connected with the liquid outlet end of the cooling mechanism 5 and is used for carrying out gas-liquid on the cooled cooling liquid to enable the cooling liquid to form a foam shape;
and the spray head 7 is arranged at the liquid outlet end of the gas-liquid mixing mechanism 6, and the opening of the spray head faces the top end of the cleaning mechanism 4, and is used for spraying the cooling liquid treated by the gas-liquid mixing mechanism 6 to cool the processed workpiece.
The liquid storage tank 2, the cleaning mechanism 4, the cooling mechanism 5 and the spray head 7 are all electrically connected with the controller. The inside first level sensor that is used for detecting inside liquid level that still is equipped with of filtrating mechanism 3, and the junction with liquid storage pot 2 feed liquor end is equipped with the electromagnetic flowmeter, and both are connected with the controller electricity, and not shown in the figure. The staff stores the cooling liquid in the liquid storage tank 2 in advance. The cooling liquid flows into the gas-liquid mixing mechanism 6 through the cooling mechanism 5. The controller sprays the cooling liquid in a foam state by controlling the gas-liquid mixing mechanism 6 and the spray head 7 so as to cool the processed workpiece, and the sputtering of the cooling liquid on the workpiece is effectively avoided after the gas-liquid mixing treatment. The cooling liquid falls into the filtrate mechanism 3 through the cleaning mechanism 4 under the action of gravity, and is filtered by the filtrate mechanism 3. The cooling liquid flows back to the liquid storage tank 2 after passing through the filtrate mechanism 3. And then flows into the cooling mechanism 5 again to be cooled. The controller intelligently controls power according to the temperature of the cooling liquid detected by the cooling mechanism 5. The cooled cooling liquid is sprayed out again through the gas-liquid mixing mechanism 6 and the spray head 7 to carry out cooling operation, and the operation is circulated in such a way. When the first liquid level sensor detects that enough cooling liquid exists in the filtrate mechanism 3 and the electromagnetic flow meter detects that the flow of the cooling liquid flowing into the liquid storage tank 2 is insufficient, the blockage of the filtrate mechanism 3 to a certain degree is indicated. The controller sends the signal to clean mechanism 4, and clean mechanism 4 receives the signal back work end and carries out horizontal motion from the one end of filtrating mechanism 3 to the other end, collects the piece dust that filtrating mechanism 3 cut down and takes to the one end of clean mechanism 4 horizontal direction, and the staff opens clean mechanism 4 and removes the piece on the work end. The staff can also further clear up the piece on the filtrating mechanism 3 by removing the cleaning mechanism 4 from the filtrating mechanism 3 as a whole.
As shown in fig. 5, the liquid storage tank 2 includes a liquid return pipe 2a, a liquid replenishing pipe 2b, a control valve 2c and a liquid outlet pipe 2 d;
the liquid return pipe 2a is arranged at the top end of the liquid storage tank 2 and connected with the liquid outlet end of the filtrate mechanism 3, and is used for recovering the cooling liquid filtered by the filtrate mechanism 3;
a liquid replenishing pipe 2b provided on the liquid storage tank 2 for storing and replenishing the liquid storage tank 2 with the coolant in advance;
a control valve 2c installed on the fluid replenishing pipe 2b for controlling the opening and closing of the fluid replenishing pipe 2 b;
and the liquid outlet pipe 2d is arranged on the liquid storage tank 2 and connected with the liquid inlet end of the cooling mechanism 5 so as to guide the cooling liquid into the cooling mechanism 5.
The control valve 2c is an electric butterfly valve electrically connected to the controller. A second liquid level sensor electrically connected with the controller is arranged in the liquid storage tank 2 and used for detecting the amount of the cooling liquid in the liquid storage tank 2 and sending a signal to the controller, which is not shown in the figure. When the liquid level in the liquid storage tank 2 is insufficient, the controller sends a signal to the control valve 2c, the control valve 2c is opened, and the cooling liquid is supplemented into the liquid storage tank 2 through an external cooling liquid supplementing device, so that the stable operation of the device is ensured.
As shown in fig. 6, the filtrate mechanism 3 includes a water waiting disc 3a and a filter screen 3 b;
the top end of the water waiting disc 3a is fixedly connected with the bottom of the cleaning mechanism 4, and the liquid outlet end at the bottom is connected with the liquid inlet end of the liquid storage tank 2 and used for guiding cooling liquid into the liquid storage tank 2;
and the filter screen 3b is detachably arranged at the top end of the water waiting disc 3a and is used for filtering the cooling liquid.
The filter screen 3b is mounted on the top end of the water waiting plate 3a by bolts or direct mounting. The coolant after cooling the work piece falls on filter screen 3b under the action of gravity, and filter screen 3b keeps off some chips in with the coolant at the upper end, and the coolant falls into waiting in water dish 3a through filter screen 3b to finally flow back in liquid storage pot 2.
As shown in fig. 3, the bottom of the water waiting plate 3a is funnel-shaped.
Through waiting water tray 3a bottom to set up to funnel structure, the coolant liquid of being convenient for is concentrated to the feed liquor end of liquid storage pot 2, makes the coolant liquid can carry out the efficient circulation.
As shown in fig. 7 and 8, the cleaning mechanism 4 includes a first mounting frame 4a, a linear driving assembly 4b, a sliding block 4c, and an electromagnet 4 d;
the first mounting frame 4a is of a frame-shaped structure and is mounted at the top end of the filtrate mechanism 3, one end in the horizontal direction is provided with a chip removal port, and a sealing cover is arranged on the chip removal port in an openable manner;
the linear driving assembly 4b is arranged on the first mounting frame 4a and is used for driving the sliding block 4c to move on the first mounting frame 4a in the horizontal direction;
the sliding block 4c is movably arranged on the first mounting frame 4a along the horizontal direction, and the working end of the sliding block is arranged towards the direction of the filtrate mechanism 3;
and the electromagnet 4d is detachably arranged at the bottom of the sliding block 4c and is used for collecting the scraps at the top end of the filtrate mechanism 3.
The linear driving component 4b and the electromagnet 4d are both electrically connected with the controller. When the filtrate mechanism 3 needs to be cleaned, the controller sends a signal to the linear driving assembly 4b, and the linear driving assembly 4b receives the signal and drives the sliding block 4c to drive the electromagnet 4d to pass through the upper end of the filtrate mechanism 3. The controller adsorbs the chips through the electromagnet 4d, and the electromagnet 4d carries the chips to move to the chip removal port of the first mounting frame 4 a. The staff opens the sealed lid of first mounting bracket 4a chip removal mouth, then closes electro-magnet 4d through the controller, catches the piece that falls from electro-magnet 4d again and can accomplish the clearance to filtrating mechanism 3.
As shown in fig. 8, the linear driving assembly 4b includes a lead screw 4b1, a guide rod 4b2 and a rotary driver 4b 3;
the two ends of the lead screw 4b1 are rotatably connected with the two ends of the first mounting frame 4a in the horizontal direction, and are in threaded connection with the sliding block 4c to drive the linear driving assembly 4b to horizontally displace on the first mounting frame 4 a;
the guide rods 4b2 are provided with a pair of guide rods 4b2 which are symmetrically arranged about the lead screw 4b1, the axis of each guide rod is parallel to the axis of the lead screw 4b1, and the two ends of each guide rod are fixedly connected with the first mounting frame 4a and are in clearance fit with the sliding block 4c so as to guide and limit the moving direction of the sliding block 4 c;
and the rotary driver 4b3 is mounted on the first mounting frame 4a, and the output end of the rotary driver is fixedly connected with the end part of the lead screw 4b1 so as to drive the lead screw 4b1 to rotate.
The rotary driver 4b3 is a servo motor electrically connected to the controller. The controller sends a signal to the rotary driver 4b3, the rotary driver 4b3 receives the signal and drives the lead screw 4b1 to rotate, and under the driving action of the lead screw 4b1 and the limiting action of the guide rod 4b2, the sliding block 4c moves along the axial direction of the lead screw 4b 1.
As shown in FIG. 8, the top of the slider 4c has a slope structure.
Through setting up the sliding block 4c top into domatic structure, can avoid partial coolant liquid to remain in sliding block 4c upper end, coolant liquid and the domatic guide on piece through sliding block 4c top all fall into in the filtrating mechanism 3 of mixing.
As shown in fig. 9, the cooling mechanism 5 includes a spiral radiating pipe 5a, radiating fins 5b and a fan assembly 5 c;
the liquid inlet end of the spiral radiating pipe 5a is connected with the liquid outlet end of the liquid storage tank 2, and the liquid outlet end of the spiral radiating pipe is connected with the liquid inlet end of the gas-liquid mixing mechanism 6 and used for primarily radiating the cooling liquid;
a plurality of heat dissipating fins 5b uniformly installed on the circumferential wall of the spiral heat dissipating pipe 5a with a gap therebetween for dissipating heat from the spiral heat dissipating pipe 5a to further improve the cooling effect of the coolant;
and a fan assembly 5c installed inside the spiral radiating pipe 5a and collinear with the axis of the spiral radiating pipe 5a with its working direction toward the inner side of the spiral radiating pipe 5a for air-cooling the coolant.
The fan assembly 5c is electrically connected to the controller. The spiral radiating pipe 5a is further provided with a temperature sensor electrically connected with the controller, which is not shown in the figure. The spiral radiating pipe 5a is a copper pipe, and the structure effectively increases the flow path of the cooling liquid and effectively improves the radiating efficiency. The cooling liquid in the liquid storage tank 2 is subjected to heat exchange with the spiral radiating pipe 5a when passing through the spiral radiating pipe 5a, and is primarily cooled. The radiating fins 5b exchange heat with the spiral radiating pipe 5a to conduct heat outwards continuously. The controller air-cools the spiral radiating pipe 5a and the radiating fins 5b through the fan assembly 5 c. Gaps are reserved among the radiating fins 5b to avoid blocking the air outlet of the fan assembly 5 c. The fan assembly 5c adjusts power in cooperation with the temperature sensor, and a balance is achieved between energy saving and cooling effects.
As shown in fig. 10, the fan assembly 5c includes a support bracket 5c1 and a fan 5c 2;
a support frame 5c1, which is mounted on the frame 1 and located at the center of the cooling mechanism 5, and is a frame structure for mounting the fan 5c 2;
and a plurality of fans 5c2 uniformly fixed on the supporting frame 5c1 around the axis of the supporting frame 5c1 with their working ends facing the inner side of the spiral radiating pipe 5a for cooling the cooling liquid.
The fan 5c2 is electrically connected to the controller. The frame structure of the supporting frame 5c1 can avoid blocking the air inlet of the fan 5c 2. The controller can only adjust the wind power of the fan 5c2 through the temperature sensor to monitor the temperature.
As shown in fig. 3, the gas-liquid mixing mechanism 6 includes an air pump 6a and a venturi 6 b;
the air pump 6a is fixed on the frame 1, and the working end of the air pump is connected with the venturi 6 b;
and the liquid inlet end of the venturi tube 6b is connected with the liquid outlet end of the cooling mechanism 5, the gas inlet end of the venturi tube is connected with the working end of the air pump 6a, and the liquid outlet end of the venturi tube is connected with the liquid inlet end of the spray head 7 and used for mixing gas and liquid of cooling liquid.
The air pump 6a is electrically connected to the controller. The controller sends a signal to the air pump 6a, the air pump 6a sprays air to the air inlet end of the venturi 6b after receiving the signal, and the venturi 6b extracts cooling liquid from the cooling mechanism 5 under the action of air pressure to mix with air and then sprays the cooling liquid into the spray head 7 from the liquid outlet end to complete gas-liquid mixing.
The working principle of the invention is as follows:
the device realizes the functions of the invention through the following steps, thereby solving the technical problems provided by the invention:
firstly, a worker prestores cooling liquid in the liquid storage tank 2.
And step two, the cooling liquid flows into the gas-liquid mixing mechanism 6 through the cooling mechanism 5. The controller sprays the cooling liquid in a foam state by controlling the gas-liquid mixing mechanism 6 and the spray head 7 so as to cool the processed workpiece, and the sputtering of the cooling liquid on the workpiece is effectively avoided after the gas-liquid mixing treatment.
And step three, the cooling liquid falls into the filtrate mechanism 3 through the cleaning mechanism 4 under the action of gravity, and the cooling liquid is filtered through the filtrate mechanism 3. The cooling liquid flows back to the liquid storage tank 2 after passing through the filtrate mechanism 3.
And step four, cooling liquid flows into the cooling mechanism 5 to be cooled. The controller intelligently controls power according to the temperature of the cooling liquid detected by the cooling mechanism 5.
And step five, spraying the cooled cooling liquid through the gas-liquid mixing mechanism 6 and the spray head 7 again to perform cooling operation, and circulating in the way.
Step six, when the first liquid level sensor detects that enough cooling liquid exists in the filtrate mechanism 3 and the electromagnetic flowmeter detects that the flow of the cooling liquid flowing into the liquid storage tank 2 is insufficient, the filtrate mechanism 3 is blocked to a certain degree. The controller sends the signal to clean mechanism 4, and clean mechanism 4 receives the signal back work end and carries out horizontal motion from the one end of filtrating mechanism 3 to the other end, collects the piece dust that filtrating mechanism 3 cut down and takes to the one end of clean mechanism 4 horizontal direction, and the staff opens clean mechanism 4 and removes the piece on the work end. The staff can also further clear up the piece on the filtrating mechanism 3 by removing the cleaning mechanism 4 from the filtrating mechanism 3 as a whole.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A cooling device of an intelligent numerical control machining center is characterized by comprising a rack (1), a liquid storage tank (2), a filtrate mechanism (3), a cleaning mechanism (4), a cooling mechanism (5), a gas-liquid mixing mechanism (6) and a spray head (7);
the liquid storage tank (2) is arranged on the rack (1), and the liquid inlet end of the liquid storage tank is connected with the liquid outlet end of the filtrate mechanism (3) and used for storing cooling liquid and recovering the cooling liquid filtered by the filtrate mechanism (3);
the filtrate mechanism (3) is arranged on the rack (1), is positioned above the liquid storage tank (2), is communicated with the bottom of the cleaning mechanism (4) and is used for filtering the used cooling liquid;
the cleaning mechanism (4) is detachably erected above the filtrate mechanism (3) and is used for collecting and cleaning the debris remained on the filtrate mechanism (3);
the cooling mechanism (5) is arranged on the rack (1), and the liquid inlet end of the cooling mechanism is connected with the liquid outlet end of the liquid storage tank (2) and used for cooling the cooling liquid recovered by the liquid storage tank (2);
the liquid inlet end of the gas-liquid mixing mechanism (6) is connected with the liquid outlet end of the cooling mechanism (5) and is used for carrying out gas-liquid on the cooled cooling liquid to enable the cooling liquid to form a foam shape;
and the spray head (7) is arranged at the liquid outlet end of the gas-liquid mixing mechanism (6), and the opening of the spray head faces the top end of the cleaning mechanism (4) and is used for spraying the cooling liquid treated by the gas-liquid mixing mechanism (6) to cool the processed workpiece.
2. The cooling device of the intelligent numerical control machining center according to claim 1, wherein the liquid storage tank (2) comprises a liquid return pipe (2 a), a liquid supplementing pipe (2 b), a control valve (2 c) and a liquid outlet pipe (2 d);
the liquid return pipe (2 a) is arranged at the top end of the liquid storage tank (2) and connected with the liquid outlet end of the filtrate mechanism (3) for recovering the cooling liquid filtered by the filtrate mechanism (3);
the liquid supplementing pipe (2 b) is arranged on the liquid storage tank (2) and is used for storing and supplementing cooling liquid to the liquid storage tank (2) in advance;
a control valve (2 c) which is installed on the liquid replenishing pipe (2 b) and is used for controlling the opening and closing of the liquid replenishing pipe (2 b);
and the liquid outlet pipe (2 d) is arranged on the liquid storage tank (2) and is connected with the liquid inlet end of the cooling mechanism (5) so as to guide the cooling liquid into the cooling mechanism (5).
3. The cooling device of the intelligent numerical control machining center according to claim 1, wherein the filtrate mechanism (3) comprises a water equalizing disc (3 a) and a filter screen (3 b);
the top end of the water waiting disc (3 a) is fixedly connected with the bottom of the cleaning mechanism (4), and the liquid outlet end at the bottom is connected with the liquid inlet end of the liquid storage tank (2) and used for guiding cooling liquid into the liquid storage tank (2);
and the filter screen (3 b) is detachably arranged at the top end of the water waiting disc (3 a) and is used for filtering the cooling liquid.
4. The cooling device of the intelligent numerical control machining center according to claim 3, characterized in that the bottom of the water waiting plate (3 a) is of a funnel-shaped structure.
5. The cooling device of the intelligent numerical control machining center according to claim 1, wherein the cleaning mechanism (4) comprises a first mounting frame (4 a), a linear driving assembly (4 b), a sliding block (4 c) and an electromagnet (4 d);
the first mounting frame (4 a) is of a frame-shaped structure and is mounted at the top end of the filtrate mechanism (3), one end in the horizontal direction is provided with a chip removal port, and a sealing cover is arranged on the chip removal port in an openable manner;
the linear driving assembly (4 b) is arranged on the first mounting frame (4 a) and is used for driving the sliding block (4 c) to move on the first mounting frame (4 a) in the horizontal direction;
the sliding block (4 c) is arranged on the first mounting frame (4 a) in a horizontal direction in a moving mode, and the working end of the sliding block is arranged towards the direction of the filtrate mechanism (3);
and the electromagnet (4 d) is detachably arranged at the bottom of the sliding block (4 c) and is used for collecting the scraps at the top end of the filtrate mechanism (3).
6. The cooling device of the intelligent numerical control machining center according to claim 5, wherein the linear driving assembly (4 b) comprises a lead screw (4 b 1), a guide rod (4 b 2) and a rotary driver (4 b 3);
the two ends of the lead screw (4 b 1) are rotatably connected with the two ends of the first mounting frame (4 a) in the horizontal direction and are in threaded connection with the sliding block (4 c) so as to drive the linear driving assembly (4 b) to horizontally displace on the first mounting frame (4 a);
the guide rods (4 b 2) are provided with a pair of guide rods, are symmetrically arranged about the lead screw (4 b 1), have axes parallel to the axis of the lead screw (4 b 1), are fixedly connected with the first mounting frame (4 a) at two ends and are in clearance fit with the sliding block (4 c) so as to guide and limit the moving direction of the sliding block (4 c);
and the rotary driver (4 b 3) is installed on the first mounting frame (4 a), and the output end of the rotary driver is fixedly connected with the end part of the lead screw (4 b 1) and used for driving the lead screw (4 b 1) to rotate.
7. The cooling device of an intelligent numerical control machining center according to claim 5, wherein the top end of the sliding block (4 c) is of a slope structure.
8. The cooling device of the intelligent numerical control machining center according to claim 1, wherein the cooling mechanism (5) comprises a spiral radiating pipe (5 a), a radiating fin (5 b) and a fan assembly (5 c);
the liquid inlet end of the spiral radiating pipe (5 a) is connected with the liquid outlet end of the liquid storage tank (2), and the liquid outlet end of the spiral radiating pipe is connected with the liquid inlet end of the gas-liquid mixing mechanism (6) and used for primarily radiating the cooling liquid;
a plurality of radiating fins (5 b) uniformly installed on the peripheral wall of the spiral radiating pipe (5 a) with gaps left therebetween for radiating the spiral radiating pipe (5 a) to further improve the cooling effect of the cooling liquid;
and the fan assembly (5 c) is arranged inside the spiral radiating pipe (5 a) and is collinear with the axis of the spiral radiating pipe (5 a), and the working direction of the fan assembly faces to the inner side of the spiral radiating pipe (5 a) and is used for air cooling the cooling liquid.
9. The cooling device of an intelligent CNC machining center according to claim 8, wherein the fan assembly (5 c) comprises a support frame (5 c 1) and a fan (5 c 2);
the support frame (5 c 1) is arranged on the rack (1), is positioned at the center of the cooling mechanism (5), is of a frame structure and is used for mounting the fan (5 c 2);
and the fan (5 c 2) is provided with a plurality of fans which are uniformly fixed on the support frame (5 c 1) around the axis of the support frame (5 c 1), and the working ends of the fans face the inner side of the spiral radiating pipe (5 a) and are used for cooling the cooling liquid.
10. The cooling device of the intelligent numerical control machining center according to claim 1, wherein the gas-liquid mixing mechanism (6) comprises an air pump (6 a) and a venturi (6 b);
the air pump (6 a) is fixed on the frame (1), and the working end of the air pump is connected with the venturi tube (6 b);
and the liquid inlet end of the venturi (6 b) is connected with the liquid outlet end of the cooling mechanism (5), the gas inlet end of the venturi is connected with the working end of the air pump (6 a), and the liquid outlet end of the venturi is connected with the liquid inlet end of the spray head (7) and is used for mixing gas and liquid of the cooling liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103512.2A CN112276665A (en) | 2020-10-15 | 2020-10-15 | Cooling device of intelligent numerical control machining center |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011103512.2A CN112276665A (en) | 2020-10-15 | 2020-10-15 | Cooling device of intelligent numerical control machining center |
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| CN112276665A true CN112276665A (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011103512.2A Withdrawn CN112276665A (en) | 2020-10-15 | 2020-10-15 | Cooling device of intelligent numerical control machining center |
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| CN (1) | CN112276665A (en) |
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| CN113510152A (en) * | 2021-09-09 | 2021-10-19 | 南通际维机电设备有限公司 | Metal rolling equipment is used in auto repair equipment production |
| CN114161219A (en) * | 2022-01-05 | 2022-03-11 | 厦门奇思自动化科技有限公司 | Numerical control machine tool coolant circulating device capable of removing chips from coolant |
| CN114227460A (en) * | 2022-02-24 | 2022-03-25 | 成都中挖金属制品有限公司 | Bucket plate cascade equipment of polishing |
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| CN116493746A (en) * | 2023-04-26 | 2023-07-28 | 徐州重型机械有限公司 | Laser welding machine for cleaning protective lenses in real time and cleaning method |
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