CN113414373A - Be used for cold switched systems of die-casting auto parts high low temperature point - Google Patents
Be used for cold switched systems of die-casting auto parts high low temperature point Download PDFInfo
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- CN113414373A CN113414373A CN202110818597.0A CN202110818597A CN113414373A CN 113414373 A CN113414373 A CN 113414373A CN 202110818597 A CN202110818597 A CN 202110818597A CN 113414373 A CN113414373 A CN 113414373A
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- water tank
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- outlet pipeline
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
- B22D17/2218—Cooling or heating equipment for dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/32—Controlling equipment
Abstract
The invention discloses a high-low temperature point cold switching system for a die-casting automobile part, which comprises a switching system and a client using end system. The invention has the beneficial effects that: the method is characterized in that two groups of main water supplies are provided, one group of high-temperature water and one group of low-temperature water are provided, each path of high-temperature water and low-temperature water can be switched according to time, the temperature range of cold water is 5-30 ℃, the temperature range of high-temperature water is 30-80 ℃, any temperature in a set range can be stabilized, the temperature control precision of the warm water reaches +/-1 ℃, 24 paths of mold temperature zone cooling control are provided, each path of branch can independently set opening time, water passing time and high-low temperature water supply according to time period, the method has the function of internet of things, a user can realize that remote management of equipment comprises real-time pipeline flow monitoring by logging in a cloud platform through a computer webpage, a mobile phone webpage or a mobile phone APP, pipeline pressure monitoring, oil outlet temperature monitoring, oil return temperature monitoring and mold real-time temperature monitoring.
Description
Technical Field
The invention relates to the technical field of die-casting equipment, in particular to a high-low temperature point cold switching system for a die-casting automobile accessory.
Background
With the adoption of a 6000-ton ultra-large die casting machine in Tesla, automobile parts are integrally formed on a rear bottom plate for producing Model Y, the parts are changed into a whole, the parts are changed into a complex part, and 70 parts are combined into 1 part, so that the technology can become an industrial change of automobile production. The single control can increase the great process debugging workload and is not beneficial to rapid production, so that a corresponding temperature control system needs to be developed for the ultra-large automobile die-casting structural member temperature control system to carry out centralized control on all temperature control devices.
In the prior art, only a single device is used for temperature control, and long time is needed when the temperature needs to be switched,
the equipment can only select rated flow or pressure control, and cannot adjust and control the pressure and the flow, so that the inconvenience and the rapidness in production and processing are caused.
Disclosure of Invention
The invention aims to provide a high-low temperature point cold switching system for a die-casting automobile part, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a high-low temperature point cold switching system for a die-casting automobile part comprises a switching system and a client using end system, wherein the switching system comprises a first electric control cabinet, the first electric control cabinet comprises a first input line, a second input line, a third input line, a first output line, a second output line and a third output line which are connected with the first electric control cabinet, the first input line is respectively connected with a first pressure sensor and a second pressure sensor which are arranged on one side of the first electric control cabinet and an electromagnetic flow meter, a cooling water outlet pipeline, a cooling water inlet and outlet pipeline and a water replenishing pipeline are arranged on one side of the first electric control cabinet, and the first pressure sensor, the second pressure sensor and the electromagnetic flow meter are respectively arranged on the cooling water inlet and outlet pipeline and the water replenishing pipeline on one side of the first electric control cabinet;
a cooling water tank and a condenser which are connected with the cooling water outlet pipeline and the cooling water inlet and outlet pipeline are respectively arranged on the cooling water outlet pipeline and the cooling water inlet and outlet pipeline, a first electric heating pipe, a first plate heat exchanger and a first circulating pump are respectively arranged on pipelines connected with the cooling water outlet pipeline and the cooling water inlet and outlet pipeline, an evaporator is arranged on one side of the condenser and is connected with the condenser through two pipelines, the other side of the condenser, which is far away from the evaporator, is connected with a compressor through a connecting pipeline, and the other side of the evaporator, which is far away from the two pipelines, is respectively connected with the lower end of the compressor, a low-pressure controller and the lower end of the cooling water tank through three connecting pipelines;
one sides of the cooling water outlet pipeline, the cooling inlet and outlet pipeline and the water replenishing pipeline, which are far away from the cold water tank and the condenser, are respectively connected with the hot water tank, a second plate heat exchanger and a second electric heating pipe are respectively arranged between the cooling water outlet pipeline, the cooling inlet and outlet pipeline and the hot water tank, and the other sides of the hot water tank and the cold water tank, which are far away from the first electric heating pipe and the second electric heating pipe, are respectively provided with a first distribution box, a second distribution box, a third distribution box and a fourth distribution box which are connected with the hot water tank and the cold water tank;
the client using end system is composed of four groups of fifth distribution boxes and a second electric control cabinet, and a plurality of temperature sensors, third electromagnetic valves and check valves are arranged on connecting pipelines of the fourth distribution boxes.
Preferably, a bimetallic thermometer is further arranged on the cooling water outlet pipeline.
Preferably, a first temperature sensing line is arranged on the first electric heating pipe, two ends of the first temperature sensing line are respectively connected with the first plate heat exchanger and the cold water tank through pipelines, an electric two-way regulating valve is arranged on the pipeline connecting the first plate heat exchanger and the cooling water outlet pipeline, and a first electromagnetic valve is arranged on the pipeline connecting the cold water tank and the water replenishing pipeline.
Preferably, condenser one end be equipped with respectively with first communicating pipe, the second communicating pipe that export pipeline and moisturizing pipeline are connected are gone into in the cooling, just be equipped with condensing pressure governing valve on the first communicating pipe, the condenser with two that the evaporimeter is connected be equipped with two drier-filter and two thermal expansion valve on the pipeline respectively.
Preferably, a low-pressure controller pressure gauge and a maintenance valve are arranged on a pipeline connecting the low-pressure controller and the evaporator.
Preferably, a second electric two-way regulating valve is arranged between the second plate heat exchanger and the cooling water outlet pipeline, a second circulating pump and a first electric three-way regulating valve are arranged on one side, close to the hot water tank, of the second plate heat exchanger, a first water drainage port is further formed in a connecting pipeline between the first electric three-way regulating valve and the second plate heat exchanger, and a second electromagnetic valve is arranged between the hot water tank and the water replenishing pipeline.
Preferably, the second input line and the third input line are respectively connected with the fourth distribution tank and the cold water tank, and a first magnetic turning plate liquid level meter is arranged between the third input line and the cold water tank.
Preferably, a water filling port, an overflow port and a water discharging port are arranged on the cold water tank and the hot water tank, a first temperature sensor is further arranged on one side of the cold water tank, a third circulating pump, a first electric three-way switch valve, a fourth circulating pump and a second electric three-way switch valve are respectively arranged between the cold water tank and the hot water tank and between the second distribution tank and the fourth distribution tank, and a third electric three-way switch valve is arranged between the second electric three-way switch valve and the hot water tank.
Preferably, a pressure gauge, a pressure sensor and a second temperature sensor are respectively arranged between the second distribution box and the fourth distribution box and between the first electric three-way switch valve and the second electric three-way switch valve.
Preferably, the first output line, the second output line and the third output line are respectively connected with the first electromagnetic valve, the electric two-way regulating valve, the first electric three-way regulating valve, the third circulating pump, the fifth circulating pump and the first plate heat exchanger.
Advantageous effects
The high-low temperature point cold switching system for the die-casting automobile parts, provided by the invention, provides two groups of main water supplies (one group of high-temperature water and one group of low-temperature water), each path of high-low temperature water can be switched according to time, the temperature range of cold water is 5-30 ℃, the temperature range of high-temperature water is 30-80 ℃, the temperature can be stabilized at any temperature within a set range, the temperature control precision of warm water reaches +/-1 ℃, 24 paths of mold temperature zone cooling control are provided, the pressure is not less than 10bar, and the water supply pressure can be adjusted; opening time can be set for alone to every branch road, water service time, and can select high low temperature to supply water according to the time quantum, this system has "Internet of Things" thing networking function, thing networking high in the clouds control adopts the mode realization central control system real time monitoring function of "cloud platform + data transmission gateway + display terminal", the user utilizes computer webpage, the cell-phone webpage, or cell-phone APP logs on the cloud platform and can realize containing real-time pipeline flow control to the remote management of equipment, pipeline pressure monitoring, the temperature monitoring of producing oil, oil return temperature monitoring, mould real-time temperature monitoring.
Drawings
FIG. 1 is a schematic plan view of a switching system according to the present invention;
fig. 2 is a schematic plan view of a client system according to the present invention.
Reference numerals
1-a first electric control cabinet, 2-a first input line, 3-a second input line, 4-a third input line, 5-a first output line, 6-a second output line, 7-a third output line, 8-a cooling water outlet pipeline, 9-a cooling water inlet and outlet pipeline, 10-a water replenishing pipeline, 11-a bimetallic thermometer, 12-a first pressure sensor, 13-a second pressure sensor, 14-an electromagnetic flowmeter, 15-a first electromagnetic valve, 16-an electric two-way regulating valve, 17-a first magnetic turning plate liquid level meter, 18-a first temperature sensor, 19-a water filling port, 20-an overflow port, 21-a first temperature sensing line, 22-a first electric heating pipe, 24-a cold water tank and 25-a first plate heat exchanger, 26-a first communication pipe, 27-a second communication pipe, 28-a condensing pressure regulating valve, 29-a dry filter, 30-a pipeline, 31-a low pressure controller pressure gauge, 32-a thermal expansion valve, 33-a second solenoid valve, 34-a second electric two-way regulating valve, 35-an evaporator, 36-a second plate heat exchanger, 37-a first drain port, 38-a first electric three-way regulating valve, 39-a second electric heating pipe, 40-a second circulating pump, 41-a hot water tank, 42-a fifth circulating pump, 43-a second electric three-way switching valve, 44-a pressure gauge, 45-a condenser, 46-a compressor, 47-a first distribution tank, 48-a second distribution tank, 49-a third distribution tank, 50-a fourth distribution tank, 51-a first circulating pump, 52-a water outlet, 53-a third circulating pump, 54-a first electric three-way switch valve, 55-a second electric control cabinet, 56-a fifth distribution box, 57-a third electromagnetic valve, 58-a check valve, 59-a temperature sensor, 60-a low-pressure controller, 61-a pressure sensor and 62-a second temperature sensor.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
Examples
As shown in fig. 1-2, a high and low temperature point cooling switching system for a die-casting automobile part comprises a switching system and a client end system, wherein the switching system comprises a first electric control cabinet 1, the first electric control cabinet 1 comprises a first input line 2, a second input line 3, a third input line 4, a first output line 5, a second output line 6 and a third output line 7 which are connected with the first electric control cabinet 1, the first input line 2 is respectively connected with a first pressure sensor 12 and a second pressure sensor 13 which are arranged on one side of the first electric control cabinet 1, and an electromagnetic flow meter 14, a cooling water outlet pipeline 8, a cooling inlet and outlet pipeline 9 and a water replenishing pipeline 10 are arranged on one side of the first electric control cabinet 1, and the first pressure sensor 12, the second pressure sensor 13 and the electromagnetic flow meter 14 are respectively arranged on the cooling inlet and outlet pipeline 9 and the water replenishing pipeline 10 on one side of the first electric control cabinet 1;
a cold water tank 24 and a condenser 45 connected with the cooling water outlet pipeline 8 and the cooling inlet and outlet pipeline 9 are respectively arranged on the cooling water outlet pipeline 8 and the cooling inlet and outlet pipeline 9, a first electric heating pipe 22, a first plate heat exchanger 25 and a first circulating pump 51 are respectively arranged on pipelines connected with the cold water tank 24, the cooling water outlet pipeline 8 and the cooling inlet and outlet pipeline 9, an evaporator 35 is arranged on one side of the condenser 45 and connected with the condenser 45 through two pipelines 30, the other side of the condenser 45 far away from the evaporator 35 is connected with a compressor 46 through a connecting pipeline, and the other side of the evaporator 35 far away from the two pipelines 30 is respectively connected with the lower end of the compressor 46, the low-pressure controller 60 and the lower end of the cold water tank 24 through three connecting pipelines 30;
one sides of the cooling water outlet pipeline 8, the cooling inlet and outlet pipeline 9 and the water replenishing pipeline 10, which are far away from the cold water tank 24 and the condenser 45, are respectively connected with the hot water tank 41, a second plate heat exchanger 36 and a second electric heating pipe 39 are respectively arranged between the cooling water outlet pipeline 8, the cooling inlet and outlet pipeline 9 and the hot water tank 41, and the other sides of the hot water tank 41 and the cold water tank 24, which are far away from the first electric heating pipe 22 and the second electric heating pipe 39, are respectively provided with a first distribution box 47, a second distribution box 48, a third distribution box 49 and a fourth distribution box 50 which are connected with the first distribution box and the second distribution box;
the client end system consists of four groups of fifth distribution boxes 56 and a second electric control cabinet 55, and a plurality of temperature sensors 59, third electromagnetic valves 57 and check valves 58 are arranged on connecting pipelines of the four groups of fifth distribution boxes 56.
Preferably, the cooling water outlet pipe 8 is further provided with a bimetallic thermometer 11.
Preferably, the first electric heating pipe 22 is provided with a first temperature sensing line 21, two ends of the first temperature sensing line are respectively connected with the first plate heat exchanger 25 and the cold water tank 24 through pipelines, the pipeline connecting the first plate heat exchanger 25 and the cooling water outlet pipeline 8 is provided with an electric two-way regulating valve 16, and the pipeline connecting the cold water tank 24 and the water replenishing pipeline 10 is provided with a first electromagnetic valve 15.
Preferably, one end of the condenser 45 is provided with a first communicating pipe 26 and a second communicating pipe 27 respectively connected with the cooling inlet/outlet pipeline 9 and the water replenishing pipeline 10, the first communicating pipe 26 is provided with a condensing pressure regulating valve 28, and two pipelines 30 connecting the condenser 45 and the evaporator 35 are respectively provided with two drying filters 29 and two thermostatic expansion valves 32.
Preferably, a low pressure controller pressure gauge 31 and a service valve are arranged on a pipeline connecting the low pressure controller 60 and the evaporator 35.
Preferably, a second electric two-way regulating valve 34 is arranged between the second plate heat exchanger 36 and the cooling water outlet pipeline 8, a second circulating pump 40 and a first electric three-way regulating valve 38 are arranged on one side of the second plate heat exchanger 36 close to the hot water tank 41, a first water discharge port 37 is further arranged on a connecting pipeline between the first electric three-way regulating valve 38 and the second plate heat exchanger 36, and a second electromagnetic valve 33 is arranged between the hot water tank 41 and the water replenishing pipeline 10.
Preferably, the second input line 3 and the third input line 4 are respectively connected with the fourth distribution tank 50 and the cold water tank 24, and a first magnetic turning plate liquid level meter 17 is arranged between the third input line 4 and the cold water tank 24.
Preferably, a water filling port 19, an overflow port 20 and a water discharge port 52 are provided on each of the cold water tank 24 and the hot water tank 41, a first temperature sensor 18 is further provided on one side of the cold water tank 24, a third circulation pump 53, a first electric three-way switch valve 54, a fourth circulation pump 52 and a second electric three-way switch valve 43 are provided between the cold water tank 24 and the hot water tank 41 and between the second distribution tank 48 and the fourth distribution tank 50, and a second electric three-way switch valve 43 is provided between the second electric three-way switch valve 43 and the hot water tank 41.
Preferably, a pressure gauge 44, a pressure sensor 61 and a second temperature sensor 62 are respectively provided between the second distribution tank 48 and the fourth distribution tank 50 and between the first electric three-way switching valve 54 and the second electric three-way switching valve 43.
Preferably, the first output line 5, the second output line 6 and the third output line 7 are respectively connected with the first electromagnetic valve 15, the electric two-way regulating valve 16, the first electric three-way regulating valve 38, the third circulating pump 53, the fifth circulating pump 42 and the first plate heat exchanger 25.
Water replenishing action of a system cold and hot storage tank; the liquid supplementing two-way valve of the storage tank is opened by the liquid level sensor according to the liquid level state, and is closed after the working liquid level is reached
Heating and cooling a high-temperature system: and the circulating pump is opened, the storage tank medium is conveyed and circulated, the storage tank medium is circularly heated and cooled through the heater and the heat exchanger, the flow control temperature precision of the heater or the heat exchanger is switched through the three-way valve, and the storage tank medium returns to form a loop.
Heating and cooling a low-temperature system: and (4) opening the circulating pump, conveying and circulating the storage tank medium, circularly heating and cooling the medium by the heater and the heat exchanger, and returning the medium to the storage tank to form a loop. When a lower use temperature is required: the circulation pump 2 is opened to convey and circulate the storage tank medium, the medium is cooled by the cold coal and the compressor system through the evaporator to reach the use temperature, and the medium returns to the storage tank to form a loop.
High temperature system use; the variable frequency circulating pump is opened, the storage tank medium is conveyed and circulated, the outlet three-way valve AB → A is opened, and the medium enters the die, the return temperature sensor, the return precision filter and the return 24-way control valve through the outlet precision filter, the outlet pressure sensor, the outlet temperature sensor and the 24-way control valve to return to the storage tank to form a loop.
Low temperature system use; the variable frequency circulating pump is opened, the storage tank medium is conveyed and circulated, the outlet three-way valve AB → A is opened, and the medium enters the die, the return temperature sensor, the return precision filter and the return 24-way control valve through the outlet precision filter, the outlet pressure sensor, the outlet temperature sensor and the 24-way control valve to return to the storage tank to form a loop.
A self-loop action; the variable frequency circulating pump is opened, the opening degree of the outlet three-way valve is controlled according to the actual use condition of the 24-way control valve, and part of the medium returns to the storage tank through the outlet three-way valve AB → B to form a loop.
Flow and pressure regulation actions; the frequency of the variable frequency circulating pump is adjusted according to the feedback signal of the flowmeter from the outlet pressure sensor, so that the purpose of pressure and flow double control is achieved.
3 operation modes: automatic mode: the 'injection start' signal of the die casting machine is taken as a starting point, and the functions of supplying high-pressure cooling water and switching high-temperature and low-temperature water of the die are automatically completed according to parameter setting;
an off-line mode: i.e. operation without a radiated signal. The off-line key pressing is taken as a starting point, the functions of supplying high-pressure cooling water to the die and switching high-temperature and low-temperature water are automatically completed according to parameter setting, and the cycle times and cycle intervals can be set on a system parameter page;
manual mode: pressing the manual button automatically enters the manual mode. Through a touch screen interface, each valve and each pump can be opened and closed independently, and PID adjustment can be completed on the page.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the content of the present invention within the scope of the protection of the present invention.
Claims (10)
1. A high-low temperature point cold switching system for a die-casting automobile part comprises a switching system and a client user end system, wherein the switching system comprises a first electric control cabinet (1), and is characterized in that: the first electric control cabinet (1) comprises a first input line (2), a second input line (3), a third input line (4), a first output line (5), a second output line (6) and a third output line (7) which are connected with the first electric control cabinet (1), the first input line (2) is respectively connected with a first pressure sensor (12) and a second pressure sensor (13) which are arranged on one side of the first electric control cabinet (1) and an electromagnetic flowmeter (14), a cooling water outlet pipeline (8), a cooling water inlet and outlet pipeline (9) and a water replenishing pipeline (10) are arranged on one side of the first electric control cabinet (1), and the first pressure sensor (12), the second pressure sensor (13) and the electromagnetic flowmeter (14) are respectively arranged on the cooling water inlet and outlet pipeline (9) and the water replenishing pipeline (10) on one side of the first electric control cabinet (1);
a cold water tank (24) and a condenser (45) which are connected with the cooling water outlet pipeline (8) and the cooling inlet and outlet pipeline (9) are respectively arranged on the cooling water outlet pipeline and the cooling inlet and outlet pipeline, the pipelines of the cold water tank (24) connected with the cooling water outlet pipeline (8) and the cooling inlet and outlet pipeline (9) are respectively provided with a first electric heating pipe (22), a first plate heat exchanger (25) and a first circulating pump (51), an evaporator (35) is arranged on one side of the condenser (45) and is connected with the condenser through two pipelines (30), the other side of the condenser (45) far away from the evaporator (35) is connected with a compressor (46) through a connecting pipeline, the other side of the evaporator (35), which is far away from the two pipelines (30), is respectively connected with the lower end of the compressor (46), the lower end of the low-pressure controller (60) and the lower end of the cold water tank (24) through the three connecting pipelines (30);
one sides of the cooling water outlet pipeline (8), the cooling inlet and outlet pipeline (9) and the water replenishing pipeline (10), which are far away from the cold water tank (24) and the condenser (45), are respectively connected with a hot water tank (41), a second plate heat exchanger (36) and a second electric heating pipe (39) are respectively arranged between the cooling water outlet pipeline (8), the cooling inlet and outlet pipeline (9) and the hot water tank (41), and a first distribution tank (47), a second distribution tank (48), a third distribution tank (49) and a fourth distribution tank (50) which are connected with the hot water tank (41) and the cold water tank (24) are respectively arranged on the other sides of the hot water tank (41) and the cold water tank (24), which are far away from the first electric heating pipe (22) and the second electric heating pipe (39);
the client using end system consists of four groups of fifth distribution boxes (56) and a second electric control cabinet (55), and a plurality of temperature sensors (59), third electromagnetic valves (57) and check valves (58) are arranged on connecting pipelines of the four groups of fifth distribution boxes (56).
2. The high and low temperature point cold switching system for the die-casting automobile parts according to claim 1, wherein: and a bimetallic thermometer (11) is also arranged on the cooling water outlet pipeline (8).
3. The high and low temperature point cold switching system for the die-casting automobile parts according to claim 1, wherein: the electric heating water heater is characterized in that a first temperature sensing line (21) is arranged on the first electric heating pipe (22), two ends of the first temperature sensing line are respectively connected with the first plate type heat exchanger (25) and the cold water tank (24) through pipelines, an electric two-way regulating valve (16) is arranged on the pipeline connected with the first plate type heat exchanger (25) and the cooling water outlet pipeline (8), and a first electromagnetic valve (15) is arranged on the cold water tank (24) and the connecting pipeline of the water replenishing pipeline (10).
4. The high and low temperature point cold switching system for the die-casting automobile parts according to claim 1, wherein: condenser (45) one end be equipped with respectively with first communicating pipe (26), second communicating pipe (27) that export pipeline (9) and moisturizing pipeline (10) are connected are gone into in the cooling, just be equipped with condensation pressure regulating valve (28) on first communicating pipe (26), condenser (45) with two that evaporimeter (35) are connected be equipped with two drier-filter (29) and two thermal expansion valve (32) on pipeline (30) respectively.
5. The high and low temperature point cold switching system for the die-casting automobile parts according to claim 1, wherein: and a low-pressure controller pressure gauge (31) and a maintenance valve are arranged on a pipeline connecting the low-pressure controller (60) and the evaporator (35).
6. The high and low temperature point cold switching system for the die-casting automobile parts according to claim 1, wherein: second plate heat exchanger (36) with be equipped with electronic two-way governing valve of second (34) between cooling water outlet pipeline (8), second plate heat exchanger (36) are close to one side of hot-water tank (41) is equipped with second circulating pump (40), first electronic three-way control valve (38), and first electronic three-way control valve (38) with still be equipped with first drain outlet (37) on the connecting pipeline between second plate heat exchanger (36), hot-water tank (41) with be equipped with second solenoid valve (33) between moisturizing pipeline (10).
7. The high and low temperature point cold switching system for the die-casting automobile parts according to claim 1, wherein: the second input line (3) and the third input line (4) are respectively connected with the fourth distribution tank (50) and the cold water tank (24), and a first magnetic turning plate liquid level meter (17) is arranged between the third input line (4) and the cold water tank (24).
8. The high and low temperature point cold switching system for the die-casting automobile parts according to claim 1, wherein: the water heater is characterized in that a water filling port (19), an overflow port (20) and a water discharging port (52) are arranged on each of the cold water tank (24) and the hot water tank (41), a first temperature sensor (18) is further arranged on one side of the cold water tank (24), a third circulating pump (53), a first electric three-way switch valve (54), a fourth circulating pump (52) and a second electric three-way switch valve (43) are respectively arranged between the cold water tank (24) and the hot water tank (41) and between the second distribution tank (48) and the fourth distribution tank (50), and a second electric three-way switch valve (43) is arranged between the second electric three-way switch valve (43) and the hot water tank (41).
9. The high and low temperature spot cold switching system for a die-cast auto parts according to claim 8, wherein: and a pressure gauge (44), a pressure sensor (61) and a second temperature sensor (62) are respectively arranged between the second distribution box (48) and the fourth distribution box (50) and between the first electric three-way switch valve (54) and the second electric three-way switch valve (43).
10. The high and low temperature spot cold switching system for a die-cast auto parts according to claim 8, wherein: the first output line (5), the second output line (6) and the third output line (7) are respectively connected with the first electromagnetic valve (15), the electric two-way regulating valve (16), the first electric three-way regulating valve (38), the third circulating pump (53), the fifth circulating pump (42) and the first plate type heat exchanger (25).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110818597.0A CN113414373A (en) | 2021-07-20 | 2021-07-20 | Be used for cold switched systems of die-casting auto parts high low temperature point |
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| CN202110818597.0A CN113414373A (en) | 2021-07-20 | 2021-07-20 | Be used for cold switched systems of die-casting auto parts high low temperature point |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116765358A (en) * | 2023-06-04 | 2023-09-19 | 东莞市和镁五金有限公司 | Die casting equipment and control system with safety precaution |
| CN117245071A (en) * | 2023-09-21 | 2023-12-19 | 宁波容鑫模具技术有限公司 | Die casting mold cooling device and method thereof |
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| EP2871424A1 (en) * | 2013-11-07 | 2015-05-13 | Grundfos Holding A/S | Method of controlling a heating and/or cooling system and distributor device for a heating and/or cooling system |
| CN106862527A (en) * | 2016-12-28 | 2017-06-20 | 中瑞新源能源科技(天津)股份有限公司 | A kind of cooling water monitoring system |
| CN208600687U (en) * | 2018-08-10 | 2019-03-15 | 徐峰 | One kind being used for the thermostatically controlled machine side cooling stations of hot forming tool cooling water |
| CN110920013A (en) * | 2018-09-19 | 2020-03-27 | 株式会社松井制作所 | Temperature control device |
| CN111112575A (en) * | 2020-02-25 | 2020-05-08 | 乔治费歇尔金属成型科技（苏州）有限公司 | Temperature control system of die casting die |
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| CN116765358A (en) * | 2023-06-04 | 2023-09-19 | 东莞市和镁五金有限公司 | Die casting equipment and control system with safety precaution |
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