CN115042008B - Closed water storage pressure maintaining temperature control water cooling system of numerical control machine tool - Google Patents
Closed water storage pressure maintaining temperature control water cooling system of numerical control machine tool Download PDFInfo
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- CN115042008B CN115042008B CN202210745331.2A CN202210745331A CN115042008B CN 115042008 B CN115042008 B CN 115042008B CN 202210745331 A CN202210745331 A CN 202210745331A CN 115042008 B CN115042008 B CN 115042008B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 238000001816 cooling Methods 0.000 title claims abstract description 72
- 238000003860 storage Methods 0.000 title claims abstract description 52
- 238000001514 detection method Methods 0.000 claims abstract description 56
- 239000000498 cooling water Substances 0.000 claims abstract description 55
- 239000003507 refrigerant Substances 0.000 claims abstract description 12
- 230000003993 interaction Effects 0.000 claims abstract description 11
- 239000000523 sample Substances 0.000 claims description 20
- 238000003466 welding Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000007774 longterm Effects 0.000 abstract description 2
- 239000000110 cooling liquid Substances 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
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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
- B23Q11/12—Arrangements for cooling or lubricating parts of the machine
- B23Q11/126—Arrangements for cooling or lubricating parts of the machine for cooling only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D31/00—Other cooling or freezing apparatus
Abstract
The invention discloses a closed water storage pressure-maintaining temperature control water cooling system of a numerical control machine, which comprises a refrigerant circulation loop, a cooling water self-circulation loop, a cooling precision numerical control machine part loop, a cooling water closed pressure-maintaining loop and an electric control man-machine interaction control device; the refrigerant circulation loop comprises a fan, a condenser, a high-pressure controller, a dry filter, an evaporator, an expansion valve, a low-pressure controller and a compressor; the cooling water self-circulation loop comprises a closed water storage tank, a switch valve A, a first circulation pump, a temperature detection sensor, a pressure gauge A, an evaporator, a first flow detection sensor and a switch valve F. The invention has the beneficial effects that: under the working and stopping states of the water cooling equipment, the cooling water can be kept pressure, and the cooling water can not deteriorate after long-term use. The water cooling equipment is controlled to be stable and automatically adjusted according to the use environment of the field equipment, so that condensed water generated by the water cooling equipment can be avoided, and the heat balance between the cooled part and the ambient temperature can be ensured.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a closed water storage pressure maintaining temperature control water cooling system of a numerical control machine tool for machining an aviation structural part.
Background
The high-precision high-speed five-axis numerical control machine tool is used for machining large complex aviation structural parts and is suitable for the manufacturing requirements of parts, and the precise numerical control machine tool is required to have the requirements of high axis movement speed, high dynamic response, high precision, high spindle rotating speed, good machine tool thermal stability and the like.
The water cooling equipment is widely applied to the numerical control machine tool industry, is used for controlling the temperature of precision mechanical parts such as a high-speed electric spindle, a mechanical spindle, a screw rod, a speed reducer, a lathe bed and the like, and has higher control requirement on the temperature of the precision numerical control machine tool. The existing water cooling equipment water storage tank adopts a box type structure, and two problems mainly exist in the processing process of the aviation structural part: firstly, cooling water is easy to deteriorate, and the deteriorated cooling water can cause blockage of a pipeline of the water cooling equipment and damage of mechanical parts and cooled parts of the water cooling equipment, so that the refrigeration effect and the stability of the cooling equipment are affected. Secondly, the condensed water is easy to generate due to the large change of the ambient temperature, so that the corrosion of the precise part is easy to cause, and the service life of the precise part is reduced.
The upper end of the water storage tank adopts an open structure, the upper end cover is detachable, the cooling medium is mainly distilled water and 20% glycol mixed solution, the water cooling liquid takes away the heat of a cooling part through continuous circulation, the cooling liquid is easy to deteriorate due to long-time contact with air, the service life is short, the flowing speed of the deteriorated cooling water is slow, the refrigerating effect is poor, and severe conditions can cause blockage of a refrigerating pipeline and damage of mechanical parts of water cooling equipment. The temperature control of the existing water cooler is realized in a fixed temperature range by setting a temperature controller, when the ambient temperature changes greatly and the set temperature of the water cooling system differs greatly, condensed water can be generated on the outer wall of a cooling pipeline, and accumulated on the cavity or the outer surface of a precise part can cause rusting of the mechanical part and affect the stability of a numerical control machine tool. In order to solve the technical shortcomings of the water cooling system, a more reasonable technical solution is required to be provided.
Disclosure of Invention
In order to solve the technical defects mentioned in the description, the invention provides a closed water storage pressure maintaining temperature control water cooling system of a numerical control machine, cooling water in the system is isolated from air, so that the condition of deterioration of the cooling water is avoided, meanwhile, the cooling temperature of the water cooling machine can be controlled according to the temperature change of the bed body of the numerical control machine, the temperature and the flow of the water cooling machine can be accurately controlled, the automatic operation can be realized, the temperature of a cooled part is ensured to be consistent with the temperature of the numerical control machine, and the stable heat balance effect of the whole numerical control machine is achieved.
In order to achieve the above purpose, the specific technical scheme adopted by the invention is as follows: a closed water storage pressure maintaining temperature control water cooling system of a numerical control machine comprises a refrigerant circulation loop, a cooling water self-circulation loop, a cooling precision numerical control machine part loop, a cooling water closed pressure maintaining loop and an electric control man-machine interaction control device; the refrigerant circulation loop comprises a fan, a condenser, a high-pressure controller, a dry filter, an evaporator, an expansion valve, a low-pressure controller and a compressor; the cooling water self-circulation loop comprises a closed water storage tank, a switch valve A, a first circulation pump, a temperature detection sensor, a pressure gauge A, an evaporator, a first flow detection sensor and a switch valve F; the cooling precision numerical control machine tool part loop comprises a closed water storage tank, a switch valve B, a second circulating pump, a pressure gauge B, a switch valve C, a precision cooling part, a switch valve D and a second flow detection sensor; the cooling water closed pressure maintaining loop comprises a closed water storage tank, a switch valve E, an exhaust valve, a pressure gauge C, an energy accumulator, an overflow valve and a switch valve G; the electric control man-machine interaction control device comprises a control unit, a first temperature probe, a second temperature probe, a high-voltage controller, a low-voltage controller, a second flow detection sensor, a first flow detection sensor and a temperature detection sensor.
Further, the specific connection relation of the refrigerant circulation loop is as follows: the fan is connected with the condenser, the condenser is connected with the dry filter, the dry filter is connected with the expansion valve, the expansion valve is connected with the evaporator, the evaporator is connected with the compressor, the compressor is connected with the condenser, a high-pressure controller is arranged between the condenser and the dry filter, and a low-pressure controller is arranged between the evaporator and the compressor. In the refrigerant circulation loop, the pressure of the refrigerant is lower than the pressure set in the low-pressure controller or higher than the pressure set in the high-pressure controller, the water cooling system triggers a fault alarm, and the cooling system automatically stops working.
Further, the specific connection relation of the cooling water self-circulation loop is as follows: the closed water storage tank is connected with a first circulating pump, the first circulating pump is connected with an evaporator, the evaporator is connected with a first flow detection sensor, the first flow detection sensor is connected with the closed water storage tank, a switch valve A is arranged between the closed water storage tank and the first circulating pump, a switch valve B is arranged between the first flow detection sensor and the closed water storage tank, and a temperature detection sensor and a pressure gauge A are arranged between the first circulating pump and the evaporator. The cooling water self-circulation loop pumps cooling water into the evaporator through the first circulation pump, the evaporator returns to the closed water storage tank after cooling the cooling water through heat exchange, the cooling water pumped by the first circulation pump passes through the temperature detection sensor and the pressure gauge A, the water flowing out of the evaporator passes through the flow detection sensor, the temperature sensor is used for monitoring the real-time temperature change of the cooling water, the flow detection sensor is used for detecting that the cooling water self-circulation loop works normally, when the flow and the temperature exceed the range of system equipment, an alarm is triggered, and the circulation pump in the alarm stops working.
Furthermore, the specific connection relation of the cooling precision numerical control machine tool part loop is as follows: the closed water storage tank is connected with a second circulating pump, the second circulating pump is connected with a precise cooling component, the precise cooling component is connected with a second flow detection sensor, the second flow detection sensor is connected with the closed water storage tank, a switch valve B is arranged between the closed water storage tank and the second circulating pump, two ends of the precise cooling component are respectively provided with a switch valve C and a switch valve D, and a pressure gauge B is arranged between the second circulating pump and the switch valve C. The cooling water is sent to the parts of the numerical control machine tool needing cooling by the cooling precision numerical control machine tool part loop through the circulating pump, and after heat is taken away, the cooling water flows back to the closed water storage tank. The flow valve is arranged in the cooling precision numerical control machine tool part loop, once the pipeline is broken and water leakage occurs, the cooling flow is reduced, the flow detection sensor sends signals to the electric control man-machine interaction control device, and the control unit can trigger an alarm and stop the circulating pump. The water outlet end and the water inlet end of the cooling precision numerical control machine tool component loop are provided with switch valves so as to facilitate the replacement of the precision cooling component.
Further, the specific connection relation of the cooling water closed pressure maintaining loop is as follows: the whole sealed water storage tank is cylindrical, and upper end and lower extreme are the hemisphere, and cylindrical and two hemispheres are in the same place through welded form, and upper hemisphere ball top is connected with discharge valve through the pipeline, and discharge valve external switch valve E, and upper hemisphere ball top is leaned on the lower position to link to each other with energy storage ware, overflow valve and manometer C through the pipeline, and junction is all sealed well, and lower hemisphere ball bottom is connected with switch valve G through the pipeline for filling the cooling water. According to the invention, the water storage tank realizes a sealing and pressure maintaining function through the overflow valve, the exhaust valve and the energy accumulator, when air exists in the system, the exhaust valve can exhaust redundant gas, the energy accumulator is provided with the leather bag, the leather bag is filled with nitrogen with fixed pressure, the compressibility of the nitrogen is utilized to realize the isolation of cooling water and nitrogen, the cooling water realizes the pressure maintaining function, and when the pressure of the system exceeds the safety pressure, the overflow valve realizes overflow, thereby playing a role in safety protection.
Further, the closed water storage tank is not provided with an open window, the position, which is close to the bottom of the lower hemisphere, is connected with the first circulating pump and the second circulating pump through two pipelines, the connection parts are well sealed, and two pipelines are respectively arranged on two sides of the cylindrical tank body and used for cooling water to circulate backwater to the water storage tank body.
Further, the specific connection relation of the electrical control man-machine interaction control device is as follows: the control unit is respectively connected with a first temperature probe, a second temperature probe, a high-voltage controller, a low-voltage controller, a second flow detection sensor, a first flow detection sensor and a temperature detection sensor, wherein the first temperature probe, the second temperature probe and the temperature detection sensor adopt PT100 type temperature sensors, the first flow sensor and the second flow sensor adopt SM6000 type flow detection switches of Yifomen company, and the low-voltage controller and the high-voltage controller adopt RT series pressure switches of Danfoss company; the first temperature probe and the second temperature probe are arranged at different positions of the machine body of the precise numerical control machine tool. The temperature of the machine tool body is detected, the detected temperature value is sent to the control unit, a user sets a temperature parameter in the electric control man-machine interaction control device, when the temperature detection sensor detects that the water temperature is higher than the temperature of the machine tool body by the set temperature value, the system can automatically start refrigeration, the compressor works, the fan works, the condenser dissipates heat, the evaporator absorbs the heat of cooling water in the cooling water self-circulation loop, cooling of the cooling water is realized, the temperature of the cooling water is controlled by taking the temperature of the machine tool body of the precise numerical control machine as a parameter, and no condensed water can be generated no matter how the ambient temperature changes.
Furthermore, after the water cooling system is automatically started, the circulating pump in the cooling precision numerical control machine tool part loop and the cooling water self-circulation loop is in a continuous working state, and the circulating pump stops working until the water cooling system triggers a fault alarm.
Further, in the invention, the beneficial effects of the invention are as follows: (1) Under the working and stopping states of the water cooling equipment, the cooling water can be kept pressure, and the cooling water can not deteriorate after long-term use. (2) The water cooling equipment is controlled to be stable and automatically adjusted according to the use environment of the field equipment, so that condensed water generated by the water cooling equipment can be avoided, and the heat balance between the cooled part and the ambient temperature can be ensured.
Drawings
Fig. 1 is a schematic diagram of the closed water storage and pressure retention type water cooling system of the precision numerical control machine.
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below.
In the above drawings, 1, a fan, 2, a condenser, 3, a high-pressure controller, 4, a first temperature probe, 5, a second temperature probe, 6, a dry filter, 7, an evaporator, 8, an expansion valve, 9, a control unit, 10, a switch valve F,11, an overflow valve, 12, an accumulator, 13, a pressure gauge C,14, a closed water storage tank, 15, an exhaust valve, 16, a switch valve E,17, a second flow rate detection sensor, 18, a switch valve D,19, a precision cooling part, 20, a switch valve C,21, a second circulation pump, 22, a pressure gauge B,23, a switch valve B,24, a switch valve G,25, a switch valve a,26, a temperature detection sensor, 27, a first circulation pump, 28, a pressure gauge a,29, a first flow rate detection sensor, 30, a low-pressure controller, 31, and a compressor.
Detailed Description
The patent of the invention is explained in further detail below with reference to the accompanying drawings. The invention adopts the specific technical scheme that: a closed water storage pressure maintaining temperature control water cooling system of a numerical control machine comprises a refrigerant circulation loop, a cooling water self-circulation loop, a cooling precision numerical control machine part loop, a cooling water closed pressure maintaining loop and an electric control man-machine interaction control device; the refrigerant circulation loop comprises a fan 1, a condenser 2, a high-pressure controller 3, a dry filter 6, an evaporator 7, an expansion valve 8, a low-pressure controller 30 and a compression 31; the cooling water self-circulation loop comprises a closed water storage tank 14, a switch valve A (25), a first circulation pump 27, a temperature detection sensor 26, a pressure gauge A (28), an evaporator 7, a first flow detection sensor 29 and a switch valve F (10); the cooling precision numerical control machine tool part loop comprises a closed water storage tank 14, a switch valve B (23), a second circulating pump 21, a pressure gauge B (22), a switch valve C (20), a precision cooling part 19, a switch valve D (18) and a second flow detection sensor 17; the cooling water closed pressure maintaining loop comprises a closed water storage tank 14, a switch valve E (16), an exhaust valve 15, a pressure gauge C (13), an energy accumulator 12, an overflow valve (11) and a switch valve G (24); the electrical control man-machine interaction control device comprises a control unit 9, a first temperature probe 4, a second temperature probe 5, a high-voltage controller 3, a low-voltage controller 30, a second flow detection sensor 17, a first flow detection sensor 29 and a temperature detection sensor 26.
In the invention, the outlet end of the switch valve C20 is connected with the inlet end of the machine tool precision cooling component 19, the outlet end of the machine tool precision cooling component 19 is connected with the inlet end of the switch valve D18, and the connection part is reliably sealed, so that no leakage of water cooling water in the loop circulation of the cooling precision numerical control machine tool component is ensured.
In the present invention, in order to realize the cooling water sealing and pressure maintaining function, it is necessary to set the overflow valve 11 to have an overflow valve value and fill the cooling liquid into the cooling water circulation system, and first, the overflow valve 11 is set to have a valve value of 3bar, and the on-off valve a 25, the first circulation pump 27, the temperature detection sensor 26, the pressure gauge a 28, the evaporator 7 and the first flow detection sensor 29 in the cooling water self-circulation circuit are checked to have good connection and sealing with the pipeline. The on-off valve B23, the second circulating pump 21, the pressure gauge B22, the on-off valve C20, the precise cooling component 19, the on-off valve D18 and the second flow detection sensor 17 in the part loop of the checking and cooling precise numerical control machine tool are well connected with the pipeline and sealed. The switch valve E16, the switch valve B23, the switch valve G24 and the switch valve A25 are opened, the mixed cooling liquid is pumped into the tank body through the joint of the switch valve G24 by using an external gear pump, the pressure of the external pump is not lower than 3bar, when the cooling liquid is nearly full of the closed tank body and the cooling loop, the switch valve E16 is closed, the cooling liquid is continuously replenished until the pressure of the pressure gauge C13 shows 1bar, the switch valve G24 is closed, the external gear pump stops running, the gear pump is retracted, the cooling system is started, after the cooling system is started, the second circulating pump 21 and the first circulating pump 27 start to work, air in the loop is discharged into the closed water storage tank 14, and because the air can be accumulated at the highest position of the closed water storage tank 14, the exhaust valve 15 is arranged at the topmost end of the closed water storage tank 14, so that the air is discharged to the outer side of the closed water storage tank 14 through the exhaust valve 15, and the isolation of the cooling liquid and the air is realized. As the temperature of the cooling water is continuously changed, the pressure in the closed water storage tank 14 is continuously changed due to the change of the temperature of the cooling water, and the energy accumulator 12 plays a role in buffering the change of the pressure, so that the pressure maintaining effect of the closed tank body is realized.
In the present patent, it is clear that the second circulation pump 21 and the first circulation pump 27 must be operated continuously as long as the water cooling system is in the automatic start mode, the second flow rate detection sensor 17 and the first flow rate detection sensor 29 detect the flow rate change in real time, and the water cooling system triggers a malfunction alarm when the second flow rate detection sensor 17 and the first flow rate detection sensor 29 set a threshold value, and the second circulation pump 21 and the first circulation pump 27 stop operating.
In the invention, a first temperature probe 4 and a second temperature probe 5 are respectively arranged at different parts of a machine body of a precise numerical control machine tool and are used for detecting actual temperature values A1 and A2 of the machine body, a control unit 9 is provided with temperature control parameters, when the temperature A3 of water cooling liquid detected by a temperature detection sensor 26 is higher than 1/2 (A1+A2) +5 ℃, a compressor 31 and a fan 1 start to work, an evaporator 7 takes away heat of cooling water in a cooling water self-circulation loop to achieve the purpose of cooling the cooling water, and when the temperature sensor 26 detects the temperature A4=1/2 (A1+A2) -5 ℃ of the cooling liquid, the compressor 31 and the fan 1 stop working to reciprocate.
In the present patent, the control unit 9 is controlled using a touch screen, and is switchable between a manual mode in which the circulation pump 22 is not activated and an automatic mode.
Claims (2)
1. A closed water storage pressure maintaining temperature control water cooling system of a numerical control machine comprises a refrigerant circulation loop, a cooling water self-circulation loop, a cooling precision numerical control machine part loop, a cooling water closed pressure maintaining loop and an electric control man-machine interaction control device; the refrigerant circulation loop comprises a fan, a condenser, a high-pressure controller, a dry filter, an evaporator, an expansion valve, a low-pressure controller and a compressor; the cooling water self-circulation loop comprises a closed water storage tank, a switch valve A, a first circulation pump, a temperature detection sensor, a pressure gauge A, an evaporator, a first flow detection sensor and a switch valve F; the cooling precision numerical control machine tool part loop comprises a closed water storage tank, a switch valve B, a second circulating pump, a pressure gauge B, a switch valve C, a precision cooling part, a switch valve D and a second flow detection sensor; the cooling water closed pressure maintaining loop comprises a closed water storage tank, a switch valve E, an exhaust valve, a pressure gauge C, an energy accumulator, an overflow valve and a switch valve G; the electrical control man-machine interaction control device comprises a control unit, a first temperature probe, a second temperature probe, a high-voltage controller, a low-voltage controller, a second flow detection sensor, a first flow detection sensor and a temperature detection sensor;
the specific connection relation of the refrigerant circulation loop is as follows: the fan is connected with the condenser, the condenser is connected with the dry filter, the dry filter is connected with the expansion valve, the expansion valve is connected with the evaporator, the evaporator is connected with the compressor, the compressor is connected with the condenser, a high-pressure controller is arranged between the condenser and the dry filter, and a low-pressure controller is arranged between the evaporator and the compressor;
the concrete connection relation of the cooling water self-circulation loop is as follows: the closed water storage tank is connected with a first circulating pump, the first circulating pump is connected with an evaporator, the evaporator is connected with a first flow detection sensor, the first flow detection sensor is connected with the closed water storage tank, a switch valve A is arranged between the closed water storage tank and the first circulating pump, a switch valve B is arranged between the first flow detection sensor and the closed water storage tank, and a temperature detection sensor and a pressure meter A are arranged between the first circulating pump and the evaporator;
the specific connection relation of the cooling precision numerical control machine tool part loop is as follows: the closed water storage tank is connected with a second circulating pump, the second circulating pump is connected with a precise cooling component, the precise cooling component is connected with a second flow detection sensor, the second flow detection sensor is connected with the closed water storage tank, a switch valve B is arranged between the closed water storage tank and the second circulating pump, a switch valve C and a switch valve D are respectively arranged at two ends of the precise cooling component, and a pressure gauge B is arranged between the second circulating pump and the switch valve C;
the concrete connection relation of the cooling water closed pressure maintaining loop is as follows: the whole closed water storage tank is cylindrical, the upper end and the lower end are hemispherical, the cylindrical and the two hemispherical are connected together in a welding mode, the top end of the upper hemispherical is connected with an exhaust valve through a pipeline, the exhaust valve is externally connected with a switch valve E, the upper hemispherical is propped against the lower position and is connected with an energy accumulator, an overflow valve and a pressure gauge C through a pipeline, the joints are sealed well, and the bottom end of the lower hemispherical is connected with the switch valve G through a pipeline; the specific connection relation of the electrical control man-machine interaction control device is as follows: the control unit is respectively connected with the first temperature probe, the second temperature probe, the high-voltage controller, the low-voltage controller, the second flow detection sensor, the first flow detection sensor and the temperature detection sensor; the first temperature probe and the second temperature probe are arranged at different positions of the machine body of the precise numerical control machine tool.
2. The closed water storage, pressure maintaining and temperature control water cooling system of the numerical control machine tool according to claim 1, wherein: the closed water storage tank is not provided with an open window, the position, close to the bottom of the lower hemisphere, of the closed water storage tank is connected with the first circulating pump and the second circulating pump through two pipelines, the connecting positions are well sealed, and two pipelines are arranged on two sides of the cylindrical tank body respectively and used for returning water of cooling water circulation to the water storage tank body.
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| CN202210745331.2A CN115042008B (en) | 2022-06-27 | 2022-06-27 | Closed water storage pressure maintaining temperature control water cooling system of numerical control machine tool |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH102652A (en) * | 1996-06-14 | 1998-01-06 | Orion Mach Co Ltd | Cooling device provided with water tank |
| CN202411963U (en) * | 2011-12-20 | 2012-09-05 | Tcl空调器(中山)有限公司 | Air conditioning device of water chiller |
| JP2014073555A (en) * | 2012-10-04 | 2014-04-24 | Kowa Kogyo Kk | Cooling device |
| CN205733240U (en) * | 2016-05-31 | 2016-11-30 | 新昌县儒岙镇中意小礼品加工厂 | A kind of intelligent temperature detection condenser high efficiency and heat radiation horizontal broaching machine |
| CN106312682A (en) * | 2016-09-21 | 2017-01-11 | 哈尔滨理工大学 | Adjustable high-pressure cooling device for high-temperature alloy turning |
| CN208887184U (en) * | 2018-09-29 | 2019-05-21 | 珠海格力电器股份有限公司 | A kind of oil cooler |
| CN110243097A (en) * | 2019-06-19 | 2019-09-17 | 珠海格力电器股份有限公司 | The control method of the cooling unit of lathe and the cooling unit of lathe |
| CN112097356A (en) * | 2020-10-13 | 2020-12-18 | 南京工业大学 | Fluorine pump type machine room air-cooled precision air conditioner |
| CN214222175U (en) * | 2021-01-07 | 2021-09-17 | 上海先锋阀门制造有限公司 | Double-temperature balance electric regulating valve |
-
2022
- 2022-06-27 CN CN202210745331.2A patent/CN115042008B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH102652A (en) * | 1996-06-14 | 1998-01-06 | Orion Mach Co Ltd | Cooling device provided with water tank |
| CN202411963U (en) * | 2011-12-20 | 2012-09-05 | Tcl空调器(中山)有限公司 | Air conditioning device of water chiller |
| JP2014073555A (en) * | 2012-10-04 | 2014-04-24 | Kowa Kogyo Kk | Cooling device |
| CN205733240U (en) * | 2016-05-31 | 2016-11-30 | 新昌县儒岙镇中意小礼品加工厂 | A kind of intelligent temperature detection condenser high efficiency and heat radiation horizontal broaching machine |
| CN106312682A (en) * | 2016-09-21 | 2017-01-11 | 哈尔滨理工大学 | Adjustable high-pressure cooling device for high-temperature alloy turning |
| CN208887184U (en) * | 2018-09-29 | 2019-05-21 | 珠海格力电器股份有限公司 | A kind of oil cooler |
| CN110243097A (en) * | 2019-06-19 | 2019-09-17 | 珠海格力电器股份有限公司 | The control method of the cooling unit of lathe and the cooling unit of lathe |
| CN112097356A (en) * | 2020-10-13 | 2020-12-18 | 南京工业大学 | Fluorine pump type machine room air-cooled precision air conditioner |
| CN214222175U (en) * | 2021-01-07 | 2021-09-17 | 上海先锋阀门制造有限公司 | Double-temperature balance electric regulating valve |
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