CN209095134U - A kind of lathe cooling system automatically controlling coolant temperature based on PLC - Google Patents

Abstract

The utility model discloses a kind of lathe cooling systems that coolant temperature is automatically controlled based on PLC, including PLC controller, mounting plate, cool air bin, heat-dissipating storehouse and coolant pipe, PLC controller is fixedly connected on mounting plate side, heat-dissipating storehouse is fixedly connected in mounting plate opposite side, the side of heat-dissipating storehouse is equipped with cool air bin, and insulated wall being equipped between heat-dissipating storehouse and cool air bin, and cool air bin is fixedly connected in insulated wall, cool air bin side is equipped with air outlet；The center of insulated wall is equipped with cooling assembly；The bottom of PLC controller is equipped with valve control component, valve control component includes solenoid valve and temperature sensor, and solenoid valve is installed on inside coolant pipe, compared with the existing lathe cooling system for automatically controlling coolant temperature based on PLC, it can cool down respectively to machine tool electric cabinet and workpiece, it can be realized the temperature for automatically controlling coolant liquid simultaneously, prevent from influencing workpiece quality, and be conducive to save electric energy and reduce cost of labor.

Description

A kind of lathe cooling system automatically controlling coolant temperature based on PLC

Technical field

It is especially a kind of based on PLC automatic control coolant temperature the utility model relates to cooling system technical field Lathe cooling system.

Background technique

During the work time, lathe cutting tool can not only be taken away greatly in metal cutting process by cutting fluid lathe Cutting heat is measured, reduces cutting region temperature, and due to its lubricating action, moreover it is possible to friction is reduced, to reduce cutting force and cut Cut heat.Therefore, cutting fluid can improve machined surface quality, guarantee machining accuracy, reduce power consumption, improve tool life and Production efficiency；Moreover, machine motor is in the process of running, it is also desirable to cool down to it, prevent motor overheating.

It being found by retrieval, the utility model of patent No. CN207642798U discloses a kind of numerically-controlled machine tool cooling system, Numerically-controlled machine tool includes pedestal, column and electric machine support, and column is fixed on the base, and electric machine support is fixed on the side of column, electricity The shell of transparent configuration is additionally provided on machine support, the motor of numerically-controlled machine tool is installed on electric machine support, and is located in shell, cooling System includes outdoor unit and indoor unit, and outdoor unit is fixed on the other side of column, and indoor unit is set in shell and in shell Space is cooled down.

Patent No. CN207473448U obtains utility model and discloses a kind of cooling device based on PLC control, including PLC control Device processed, PLC controller are electrically connected with parameter setting module, and parameter setting module is electrically connected with data acquisition module, data acquisition Module has been electrically connected temperature detecting module, humidity detecting module and illumination detection module, is equipped with control in PLC controller Panel is separately installed with operation button and signal lamp on control panel, and operation button and signal lamp are electrically connected with PLC controller It connects, PLC controller is electrically connected with travel switch, and PLC controller electrical connection fault alarm unit, PLC controller, which is electrically connected with, to be held Row mechanism, travel switch, barrier alarm unit and executing agency are electrically connected with controlled unit.

However, the analysis found that, existing lathe cooling system can not automatically control its temperature, can not automatically control cold But the temperature of liquid leads to cooling and the cooling too low influence workpiece quality of efficiency, and can not drop to lathe other positions Temperature, while causing energy waste.

Utility model content

Therefore, in order to solve above-mentioned deficiency, the utility model provides a kind of based on PLC automatic control coolant temperature herein Lathe cooling system, can cool down respectively to machine tool electric cabinet and workpiece, constitute cooling system, can be realized simultaneously The temperature for automatically controlling coolant liquid prevents from influencing workpiece quality, and is conducive to save electric energy and reduces cost of labor.

The utility model is realized in this way constructing a kind of lathe cooling system for automatically controlling coolant temperature based on PLC System, including PLC controller, mounting plate, cool air bin, heat-dissipating storehouse and coolant pipe, PLC controller are fixedly connected on mounting plate one Side, heat-dissipating storehouse are fixedly connected in mounting plate opposite side, and the side of heat-dissipating storehouse is equipped with cool air bin, and sets between heat-dissipating storehouse and cool air bin There is insulated wall, and cool air bin is fixedly connected in insulated wall, cool air bin side is equipped with air outlet；It installs the center of insulated wall There is cooling assembly；The bottom of PLC controller is equipped with valve control component, and valve control component includes solenoid valve and temperature sensor, and electromagnetism Valve is installed on inside coolant pipe, and is in contact with the outlet for being set to coolant pipe side, and outlet one end is communicated with cold Storehouse is coagulated, is equipped with condenser pipe in condensation bin, and condenser pipe is connected with compressor, temperature sensor is installed in condensation bin；Solenoid valve It is connect with after compressor parallel with PLC controller, PLC controller is also respectively coupled to the control line of temperature sensor and cooling piece Road.

Further, cooling assembly is made of cooling piece, copper frame, fan and fixture block, and the center of cooling piece is through card Conjunction is fixed in insulated wall, and the release end of heat of cooling piece is placed in heat-dissipating storehouse, and is connect by fixture block with insulated wall, the system of cooling piece Cold end is placed in cool air bin, and copper frame is set to the side of the refrigeration end, and the upper bottom surface of copper frame is equipped with symmetrical fan, is led to The cooling piece for crossing setting is specially thermoelectric semiconductor refrigeration body, is divided into two sides, absorbs heat on one side, radiate on one side, the semiconductor is by N Type semiconductor and P-type semiconductor composition, n type material have extra electronics, there is negative thermoelectric force, and P-type material electron deficiency has just Thermoelectric force；When electronics passes through node to N-type from p-type, the temperature of node is reduced, and energy necessarily increases, and increased Energy is equivalent to energy consumed by node, on the contrary, the temperature of node will increase when electronics flow to P-type material from N-type, The setting of cooling piece is not necessarily to condensing agent compared to original refrigerating method, while the cooling piece can be installed according to quantity, improves Refrigeration effect in subsequent cooling piece process of refrigerastion, increases cold wind flowing by fan, is installed by positioning plate and lathe, Cold wind is blasted in machine motor from air outlet, auxiliary heat dissipation is carried out for motor, mitigates motor work load.

Further, the marginal position of cool air bin is equipped with positioning plate, will be installed on lathe by the positioning plate of setting Motor housing docking, can also be by connecting pipe into motor housing.

Further, the top and bottom of heat-dissipating storehouse offer heat release hole respectively, will be made by the heat release hole of setting The heat at cold fever end radiates, and substantially increases refrigerating efficiency, while passing through the time relay inside PLC controller It can be timed unlatching to cooling piece, while fan and external power supply are electrically connected, convenient for control cold wind, while electricity can be saved Energy.

Further, check valve is installed in outlet, the check valve by setting works as temperature for preventing coolant liquid from flowing back When degree sensor receives the temperature in lathe workshop, electric signal is reflected into PLC controller, subsequent compressor start passes through The low-pressure steam of refrigerant is by compressor sucking and boil down to high steam heel row is to condenser pipe, achievees the purpose that reduce temperature, Condensation pipe surface is also enclosed with protective glass pipe, prevents condenser pipe from directly contacting with condensate liquid, and the space of condensation bin is smaller, refrigeration More, while condensate liquid is supplemented efficiency by coolant pipe in condensation bin, after solenoid valve by coolant liquid by outlet to cold Solidifying storehouse is fed, and quickly condensate liquid can be made to be cooled down, and the purpose for automatically controlling coolant temperature is realized, quickly by workpiece Cooling.

The utility model provides a kind of lathe cooling system that coolant temperature is automatically controlled based on PLC by improving herein System, can respectively cool down to machine tool electric cabinet and workpiece, constitute cooling system；It can be realized and automatically control coolant liquid Temperature prevents from influencing workpiece quality, is conducive to save electric energy and reduces cost of labor.Specific advantage embodies are as follows:

Advantage 1: cooling assembly is made of cooling piece, copper frame, fan and fixture block, and the center of cooling piece is solid through engaging Due in insulated wall, the release end of heat of cooling piece is placed in heat-dissipating storehouse, and is connect by fixture block with insulated wall, the refrigeration end of cooling piece It is placed in cool air bin, and copper frame is set to the side of the refrigeration end, the upper bottom surface of copper frame is equipped with symmetrical fan, by setting The cooling piece set is specially thermoelectric semiconductor refrigeration body, is divided into two sides, absorbs heat on one side, radiates on one side, and the semiconductor is by N-type half Conductor and P-type semiconductor composition, n type material have extra electronics, there is negative thermoelectric force, and P-type material electron deficiency has the positive temperature difference Potential；When electronics passes through node to N-type from p-type, the temperature of node is reduced, and energy necessarily increases, and increased energy It is equivalent to energy consumed by node, on the contrary, the temperature of node will increase when electronics flow to P-type material from N-type, refrigeration The setting of piece is not necessarily to condensing agent compared to original refrigerating method, while the cooling piece can be installed according to quantity, improves refrigeration Effect increases cold wind flowing by fan, is installed by positioning plate and lathe then by cooling piece process of refrigerastion, will Cold wind blasts in machine motor from air outlet, carries out auxiliary heat dissipation for motor, mitigates motor work load.

Advantage 2: the marginal position of cool air bin is equipped with positioning plate, is convenient for that the electricity of lathe will be installed on by the positioning plate of setting Cabinet docking, can also be by connecting pipe into motor housing；The top and bottom of heat-dissipating storehouse offer heat release hole respectively, pass through The heat release hole of setting is convenient for the heat by cooling piece fever end to radiate, and substantially increases refrigerating efficiency, while controlling by PLC The time relay inside device processed can be timed unlatching to cooling piece, while fan and external power supply are electrically connected, convenient for control Freeze wind, while can save electric energy.

Advantage 3: being equipped with check valve in outlet, the check valve by setting works as temperature for preventing coolant liquid from flowing back When sensor receives the temperature in lathe workshop, electric signal is reflected into PLC controller, subsequent compressor start passes through system The low-pressure steam of cryogen is by compressor sucking and boil down to high steam heel row is to condenser pipe, achievees the purpose that reduce temperature, cold Solidifying pipe surface is also enclosed with protective glass pipe, prevents condenser pipe from directly contacting with condensate liquid, and the space of condensation bin is smaller, refrigeration effect More, while condensate liquid is supplemented rate by coolant pipe in condensation bin, after solenoid valve by coolant liquid by outlet to condensation Storehouse is fed, and quickly condensate liquid can be made to be cooled down, and is realized the purpose for automatically controlling coolant temperature, is quickly dropped workpiece Temperature.

Detailed description of the invention

Fig. 1 is the lathe schematic diagram of cooling system structure that the utility model automatically controls coolant temperature based on PLC；

Fig. 2 is the cooling assembly structural schematic diagram of the utility model；

Fig. 3 is the valve control component structure diagram of the utility model；

Fig. 4 is the PLC controller module map schematic diagram of the utility model.

Serial number as shown in the figure: PLC controller 1, mounting plate 2, cooling assembly 3, cooling piece 301, insulated wall 302, copper frame 303, fan 304, fixture block 305, cool air bin 4, positioning plate 401, air outlet 402, heat-dissipating storehouse 5, heat release hole 501, valve control component 6, Coolant pipe 7, solenoid valve 8, compressor 9, condensation bin 10, condenser pipe 11, outlet 12, temperature sensor 13 and check valve 14.

Specific embodiment

The utility model is described in detail below in conjunction with attached drawing 1- Fig. 4, to the skill in the utility model embodiment Art scheme is clearly and completely described, it is clear that and the described embodiments are only a part of the embodiments of the utility model, and The embodiment being not all of.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness Every other embodiment obtained, fall within the protection scope of the utility model under the premise of labour；In addition, term " first ", " second ", " third " " upper and lower, left and right " etc. are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance. Meanwhile in the description of the present invention, unless otherwise clearly defined and limited, term " connected ", " connection " should do broad sense Understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be mechanical connection, it can also To be to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For the ordinary skill people of this field For member, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

The utility model provides a kind of lathe cooling system that coolant temperature is automatically controlled based on PLC by improving herein System, as Figure 1-Figure 4, can be practiced as follows；Including PLC controller 1, mounting plate 2, cool air bin 4, heat dissipation Storehouse 5 and coolant pipe 7,1 bolt of PLC controller are fixedly connected on 2 side of mounting plate, and 5 bolt of heat-dissipating storehouse is fixedly connected in peace 2 opposite side of loading board.The side of heat-dissipating storehouse 5 is equipped with cool air bin 4, and 4 side of cool air bin is equipped with air outlet 402；Heat-dissipating storehouse 5 and cool air bin 4 Between be equipped with insulated wall 302, and cool air bin 4 is fixedly connected in insulated wall 302, and the center of insulated wall 302 is equipped with system Cold component 3.

The bottom of PLC controller 1 is equipped with valve control component 6, and valve control component 6 includes solenoid valve 8 and temperature sensor 13, and electric Magnet valve 8 is installed on inside coolant pipe 7, and is in contact with the outlet 12 for being set to 7 side of coolant pipe, 12 one end of outlet It is communicated with condensation bin 10, condenser pipe 11 is equipped in condensation bin 10, and condenser pipe 11 is connected with compressor 9, temperature sensor 13 is pacified Loaded in condensation bin 10.It is connect after 9 parallel connection of solenoid valve 8 and compressor with PLC controller 1, PLC controller 1 has also been respectively coupled to The control route of temperature sensor 13 and cooling piece 301.

As the prior art, PLC chip, the model Siemens S7- of PLC chip are equipped with inside PLC controller 1 1200.The model DS18B21 of temperature sensor 13,8 model 0927200 of solenoid valve.

Such as the prior art disclosed in the patent of patent No. CN207473448U, PLC chip are electrically connected with parameter setting Module, parameter setting module are electrically connected with data acquisition module, and data acquisition module is electrically connected with temperature sensor 13.PLC core Piece is docked with outside PLC control device (computer, console etc.) by control line, and PLC control device can pass through parameter setting Module sets the parameter of PLC chip, such as the preset peak of temperature and minimum.PLC chip is electrically connected with execution Mechanism, executing agency are electrically connected with cooling assembly 3, solenoid valve 8, compressor 9, and PLC chip has also been electrically connected power supply module And memory module, power supply module are connected to external power supply, memory module information for storing instruction.

In the utility model, cooling assembly 3 is made of cooling piece 301, copper frame 303, fan 304 and fixture block 305, cooling piece Through being fastened in insulated wall 302, the release end of heat of cooling piece 301 is placed in heat-dissipating storehouse 5, and is passed through for 301 center Fixture block 305 is connect with insulated wall 302, and the refrigeration end of cooling piece 301 is placed in cool air bin 4, and copper frame 303 is set to the refrigeration end Side, the upper bottom surface of copper frame 303 is equipped with symmetrical fan 304, and the cooling piece 301 by setting is specially that thermoelectricity is partly led The cold body of system, is divided into two sides, heat absorption, while radiate.

Thermoelectric semiconductor refrigeration body is made of N-type semiconductor and P-type semiconductor, and n type material has extra electronics, has negative Thermoelectric force, P-type material electron deficiency have positive thermoelectric force；When electronics passes through node to N-type from p-type, the temperature drop of node Low, energy necessarily increases, and increased energy is equivalent to energy consumed by node, on the contrary, when electronics flow to P from N-type When profile material, the temperature of node will be increased.

The setting of cooling piece 301 compares the difference of original refrigerating method without condensing agent, while the cooling piece 301 can To be installed according to quantity, refrigeration effect is improved, then by 301 process of refrigerastion of cooling piece, cold wind is increased by fan 304 Flowing, is installed with lathe by positioning plate 401, cold wind is blasted in machine motor from air outlet 402, is carried out for motor Auxiliary heat dissipation mitigates motor work load；The marginal position of cool air bin 4 is equipped with positioning plate 401, passes through the positioning plate 401 of setting It, can also be by connecting pipe into motor housing convenient for docking device with the motor housing of lathe.

The top and bottom of heat-dissipating storehouse 5 offer heat release hole 501 respectively, will be freezed by the heat release hole 501 of setting The heat at the fever of piece 301 end radiates, and substantially increases refrigerating efficiency, while passing through the time relay inside PLC controller 1 Device can be timed unlatching to cooling piece 301, while fan 304 and external power supply are electrically connected, convenient for controlling cold wind, while energy Enough save electric energy.Check valve 14 is installed, the check valve 14 by setting works as temperature for preventing coolant liquid from flowing back in outlet 12 When degree sensor 13 receives the temperature in lathe workshop, electric signal is reflected into PLC controller 1, subsequent compressor 9 starts By the way that the low-pressure steam of refrigerant is by the sucking of compressor 9 and boil down to high steam heel row is to condenser pipe 11, reach reduction temperature Purpose, 11 surface of condenser pipe is also enclosed with protective glass pipe, prevents condenser pipe 11 from directly contacting with condensate liquid, condensation bin 10 Space is smaller, and more, while condensate liquid is supplemented refrigerating efficiency by coolant pipe 7 in condensation bin 10, will be cooled down after solenoid valve 8 Liquid feeds condensation bin 10 by outlet 12, quickly condensate liquid can be made to be cooled down, and realizes and automatically controls coolant liquid The purpose of temperature, quickly cools down workpiece.

This kind automatically controls the working principle of the lathe cooling system of coolant temperature based on PLC:

Firstly, PLC controller 1 is docked by the positioning plate 401 of setting with the motor housing of lathe, by PLC controller 1 PLC chip is docked by control line with outside PLC control device (computer, console etc.), and power supply module is connected to external power supply, Parameter setting carried out to the parameter setting module of PLC chip by PLC control device, the preset peak of set temperature and minimum Value.

Secondly, in 301 process of refrigerastion of cooling piece, the temperature of 13 real-time monitoring of temperature sensor reflux coolant liquid, and will be warm Degree is delivered to data acquisition module as electronic signals, and electric signal is delivered to parameter setting module by data acquisition module, ginseng Number setting module converts electrical signals into temperature parameter, and compared with the preset peak of temperature and minimum.After give birth to The feedback electric signal of production is delivered to PLC chip, and PLC chip carries out corresponding control to executing agency according to feedback electric signal.

If the temperature of the reflux coolant liquid of monitoring is higher than the preset peak of temperature, then illustrate that coolant liquid cooling is not filled Point, need to increase the cooling Power of coolant liquid, at this point, enabling signal is sent to compressor 9 by PLC chip, subsequent compressor 9 starts By the way that the low-pressure steam of refrigerant is by the sucking of compressor 9 and boil down to high steam heel row is to condenser pipe 11, reach reduction temperature Purpose.Meanwhile enabling signal is sent to solenoid valve 8 by PLC chip, by coolant liquid by outlet 12 in condensation bin 10 into Row is fed, and after coolant liquid is exported by pipeline in condensation bin 10, is cooled down to workpiece.Meanwhile PLC chip sends out enabling signal It send to fan 304, cold wind flowing is increased by fan 304, achievees the purpose that reduce temperature.

If the temperature of the reflux coolant liquid of monitoring is lower than the preset minimum of temperature, then illustrate that coolant liquid cooling overcharges Point, it needs to reduce the cooling Power of coolant liquid, at this point, shutdown signal is sent to solenoid valve 8 by PLC chip, closes supply, it is no longer right Workpiece cools down.Meanwhile shutdown signal is sent to fan 304 by PLC chip, fan 304 stops working, and reduces cold wind stream It is dynamic.Temperature by above-mentioned two step reflux coolant liquid can bottom out.

To sum up；The utility model automatically controls the lathe cooling system of coolant temperature based on PLC, is based on PLC with existing The lathe cooling system for automatically controlling coolant temperature is compared, and can be cooled down respectively to machine tool electric cabinet and workpiece, structure It at cooling system, while can be realized the temperature for automatically controlling coolant liquid, so that controlled coolant liquid parameter is maintained at setting value, prevent Workpiece quality is influenced, and is conducive to save electric energy and reduces cost of labor.

The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein The widest scope consistent with features of novelty.

Claims (5)

1. it is a kind of based on PLC automatically control coolant temperature lathe cooling system, including PLC controller (1), mounting plate (2), Cool air bin (4), heat-dissipating storehouse (5) and coolant pipe (7), it is characterised in that: the PLC controller (1) is fixedly connected on mounting plate (2) side, the heat-dissipating storehouse (5) are fixedly connected in mounting plate (2) opposite side, and the side of the heat-dissipating storehouse (5) is equipped with cool air bin (4), insulated wall (302) are equipped with and between the heat-dissipating storehouse (5) and cool air bin (4), and the cool air bin (4) be fixedly connected on every On hot wall (302), cool air bin (4) side is equipped with air outlet (402)；The center of the insulated wall (302) is equipped with Cooling assembly (3)；The bottom of the PLC controller (1) is equipped with valve control component (6), and the valve control component (6) includes solenoid valve (8) and temperature sensor (13), and the solenoid valve (8) to be installed on coolant pipe (7) internal, and be set to coolant pipe (7) outlet (12) of side is in contact, and described outlet (12) one end is communicated with condensation bin (10), in the condensation bin (10) Equipped with condenser pipe (11), and the condenser pipe (11) is connected with compressor (9), and the temperature sensor (13) is installed on condensation bin (10) on；It is connect after the solenoid valve (8) and compressor (9) are in parallel with PLC controller (1), PLC controller (1) also distinguishes coupling It is connected to the control route of temperature sensor (13) and cooling piece (301).

2. the lathe cooling system according to claim 1 for automatically controlling coolant temperature based on PLC, it is characterised in that: The cooling assembly (3) is made of cooling piece (301), copper frame (303), fan (304) and fixture block (305), the cooling piece (301) through being fastened in insulated wall (302), the release end of heat of the cooling piece (301) is placed in heat-dissipating storehouse for center (5) it in, and is connect by fixture block (305) with insulated wall (302), the refrigeration end of the cooling piece (301) is placed in cool air bin (4) In, and copper frame (303) is set to the side of the refrigeration end, the upper bottom surface of the copper frame (303) is equipped with symmetrical fan (304).

3. the lathe cooling system according to claim 1 for automatically controlling coolant temperature based on PLC, it is characterised in that: The marginal position of the cool air bin (4) is equipped with positioning plate (401).

4. the lathe cooling system according to claim 1 for automatically controlling coolant temperature based on PLC, it is characterised in that: The top and bottom of the heat-dissipating storehouse (5) offer heat release hole (501) respectively.

5. the lathe cooling system according to claim 1 for automatically controlling coolant temperature based on PLC, it is characterised in that: Check valve (14) are installed in the outlet (12).