CN108772554B - Intelligent die-casting die closed-loop temperature control system - Google Patents
Intelligent die-casting die closed-loop temperature control system Download PDFInfo
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- CN108772554B CN108772554B CN201810801685.8A CN201810801685A CN108772554B CN 108772554 B CN108772554 B CN 108772554B CN 201810801685 A CN201810801685 A CN 201810801685A CN 108772554 B CN108772554 B CN 108772554B
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- pipe
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- hot oil
- die
- intelligent
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- 238000004512 die casting Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000000498 cooling water Substances 0.000 claims description 25
- 238000003860 storage Methods 0.000 claims description 17
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000011084 recovery Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 241000208125 Nicotiana Species 0.000 claims 2
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims 2
- 238000005338 heat storage Methods 0.000 claims 1
- 238000003754 machining Methods 0.000 abstract description 2
- 239000000779 smoke Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002277 temperature effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001931 thermography Methods 0.000 description 1
Classifications
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a closed-loop temperature control system of an intelligent die casting die, which belongs to the technical field of machining and particularly relates to a closed-loop temperature control system of an intelligent die casting die, which comprises a die, wherein first temperature detection devices are uniformly arranged in the die, shunt pipes are uniformly arranged in an inner cavity of the die, the bottom of each first shunt pipe is connected with a water inlet pipe, the other end of each water inlet pipe is connected with a water pump, the left side of each water pump is connected with a ball valve through a pipeline, the left side of each ball valve is connected with a cooling tower, the left side of each cooling tower is connected with a water return pipe, the other end of each water return pipe is connected with a second shunt pipe, the side walls of the die are connected with a hot oil inlet pipe and a hot oil outlet pipe, and third actuators are respectively arranged on the hot oil inlet pipe and the hot oil outlet pipe.
Description
Technical Field
The invention relates to the technical field of machining, in particular to an intelligent die-casting die closed-loop temperature control system.
Background
Most of the molds are cooled by circulating cooling water, but the constant temperature effect of key parts is not achieved. The cooling water is opened to cool the mold rapidly, so that unstable products are brought, and the service life of the mold is shortened. Of course, some of them have been manually or automatically adjusted. The high-low temperature distribution of the die is judged by the thermal imaging instrument by manually adjusting the water flow, the cooling water in the region with high die temperature is fully opened to ensure that the die temperature is rapidly reduced, but the temperature reduction is not clear, the die temperature is controlled in a mode of closing or opening half the die temperature, so that the optimal temperature cannot be achieved, and the defect that the die temperature cannot be monitored in real time and therefore the constant temperature effect cannot be achieved and the current die temperature is unknown is overcome. Therefore, we propose an intelligent die casting die closed loop temperature control system.
Disclosure of Invention
The invention aims to provide an intelligent die-casting die closed-loop temperature control system so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an intelligent die casting die closed loop temperature control system, includes the mould, evenly be provided with first temperature detection device in the mould, the inner chamber of mould evenly is provided with the shunt tube, and the right side of shunt tube runs through the mould and is connected with first shunt, the bottom of first shunt tube is connected with the inlet tube, the other end of inlet tube is connected with the water pump, the left side of water pump is connected with the ball valve through the pipeline, the left side of ball valve is connected with the cooling tower, the left side of cooling tower is connected with the wet return, the other end of wet return is connected with the second shunt tube, the left side of shunt tube runs through the mould and is connected with flowmeter and first executor, the top of second shunt tube is connected with the other end of shunt tube, the lateral wall of mould is connected with hot oil inlet tube and hot oil outlet tube, and all installs the third executor on the hot oil inlet tube and the hot oil outlet tube, the other end of hot oil inlet tube all is connected with internally mounted has the oil storage tank of second heat exchanger, the bottom of ball valve is connected with cooling water inlet tube and cooling water oil storage tube, cooling water inlet tube and cooling water heater, cooling water inlet tube and cooling water inlet tube are connected with the water heater, the temperature of the top of the second heat exchanger is connected with the top of the second heat exchanger through the pipeline, the top of the pipeline is connected with the top of the oil storage tube, the temperature detection device is connected with the top of the oil storage tube, the top of the intelligent device that is connected with the top of the heat exchanger, the intelligent controller is respectively and electrically connected with the display signboard and the Manufacturing Execution System (MES), and the output end of the intelligent controller is respectively and electrically connected with the input ends of the water pump, the first actuator, the second actuator and the third actuator.
Preferably, the first temperature detecting device and the second temperature detecting device are both K-type thermocouples.
Preferably, the number of the first temperature detecting devices is the same as the number of the shunt tubes.
Preferably, the intelligent controller is connected with a remote monitoring terminal through a wireless communication network.
Compared with the prior art, the invention has the beneficial effects that: according to the intelligent die-casting die closed-loop temperature control system, the name, the specification and the real-time temperature of each interval of the die are acquired through the Manufacturing Execution System (MES), the intelligent controller calculates the optimal control value in real time according to the built-in intelligent algorithm, and the die temperature is adjusted through the intelligent die controller.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a mold structure according to the present invention;
fig. 3 is a functional block diagram of the present invention.
In the figure: 1 a mould, 2 a first temperature detection device, 3 an intelligent controller, 4 a Manufacturing Execution System (MES), 5 a display signboard, 6 a cooling tower, 7 a ball valve, 8 a water pump, 9 a first split row, 10 a flowmeter, 11 a first actuator, 12 a second split row, 13 a water inlet pipe, 14 split pipes, 15 a return pipe, 16 a smelting furnace, 17 a smoke pipe, 18 a first heat exchanger, 19 a hot oil inlet pipe, 20 a hot oil recovery pipe, 21 an oil storage tank, 22 a second temperature detection device, 23 a cooling water inlet pipe, 24 a cooling water outlet pipe, 25 a second actuator, 26 a hot oil inlet pipe, 27 a hot oil outlet pipe and 28 a third actuator.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution: an intelligent die casting die closed loop temperature control system comprises a die 1, a first temperature detection device 2 is uniformly arranged in the die 1, a shunt pipe 14 is uniformly arranged in an inner cavity of the die 1, the right side of the shunt pipe 14 penetrates through the die 1 to be connected with a first shunt row 9, the bottom of the first shunt row 9 is connected with a water inlet pipe 13, the other end of the water inlet pipe 13 is connected with a water pump 8, the left side of the water pump 8 is connected with a ball valve 7 through a pipeline, the left side of the ball valve 7 is connected with a cooling tower 6, the left side of the cooling tower 6 is connected with a water return pipe 15, the other end of the water return pipe 15 is connected with a second shunt row 12, the left side of the shunt pipe 14 penetrates through the die 1 to be connected with a flowmeter 10 and a first actuator 11, the top of the second shunt row 12 is connected with the other end of the shunt pipe 14, the side wall of the die 1 is connected with a hot oil inlet pipe 26 and a hot oil outlet pipe 27, the third executor 28 is arranged on each of the hot oil inlet pipe 26 and the hot oil outlet pipe 27, the oil storage tank 21 internally provided with a second heat exchanger is connected with the other ends of the hot oil inlet pipe 26 and the hot oil outlet pipe 27, the cooling water inlet pipe 23 and the cooling water outlet pipe 24 are connected with the bottom of the oil storage tank 21, the second executor 25 is arranged on each of the cooling water inlet pipe 23 and the cooling water outlet pipe 24, the top of the cooling water inlet pipe 23 and the cooling water outlet pipe 24 is connected with the second heat exchanger inside the oil storage tank 21, the top of the oil storage tank 21 is connected with the hot oil inlet pipe 19 and the hot oil recovery pipe 20, the top of the hot oil inlet pipe 19 and the hot oil recovery pipe 20 is connected with the first heat exchanger 18, the left side of the first heat exchanger 18 is connected with the smoke pipe 17 through a pipeline, the bottom of the smoke pipe 17 is connected with the furnace 16, the second temperature detection device 22 is installed in the inner chamber of the oil storage tank 21, the output ends of the first temperature detection device 2, the flowmeter 10 and the second temperature detection device 22 are electrically connected with the input end of the intelligent controller 3, the intelligent controller 3 is respectively and electrically connected with the display signboard 5 and the Manufacturing Execution System (MES) 4 in a bidirectional manner, and the output end of the intelligent controller 3 is respectively and electrically connected with the input ends of the water pump 8, the first actuator 11, the second actuator 25 and the third actuator 28.
The first temperature detecting device 2 and the second temperature detecting device 22 are K-type thermocouples, the number of the first temperature detecting devices 2 is the same as that of the shunt pipes 14, and the intelligent controller 3 is connected with a remote monitoring terminal through a wireless communication network to realize remote monitoring.
Working principle: the intelligent controller 3 is connected with a Manufacturing Execution System (MES) 4 and a plurality of first temperature detection devices 22, each set of dies 1 is divided into a plurality of areas, the temperature of each area has an optimal value, and the data can be in the Manufacturing Execution System (MES) 4, so that the name, specification and real-time temperature of each area of the dies 1 can be obtained, the intelligent controller 3 automatically calculates the optimal temperature value according to the temperature and process requirements of the areas of the dies 1, and accordingly controls the first actuator 11 to adjust the temperature, dynamic real-time control is achieved, the temperature adjustment mode of the dies 1 is that the intelligent controller 3 sends instructions to automatically control the water pressure and water flow of each branch pipe 14, for example, the set of the set temperature is 100 ℃ +/-10 ℃ and the temperature is about 100 ℃, the opening angle of the first actuator 11 is 50 degrees, the opening angle of the first actuator 11 is 100 degrees when the temperature is higher than 110 ℃, the opening angle of the first actuator 11 is 0 degrees when the temperature is lower than 90 ℃, the first actuator 11 angle is 65.5 degrees when the temperature is 105 ℃, the opening angle of the first actuator 11 is 22.5 degrees when the temperature is 95 degrees, and the like. The optimal temperature of one area of the die is constant by means of the temperature change system in a mode that the angle is changed and the optimal angle of the constant temperature of 100 ℃ is calculated. Pushing all other mould 1 temperature zones in this way to constant the mould 1 temperature in order to ensure the validity of the temperature of the mould 1 in production and also to ensure the working life of the mould;
the heat generated by the furnace 16 enters the first heat exchanger 18 with cold oil through the smoke pipe 17 to exchange heat with the cold oil, so as to heat the cold oil, the generated hot oil enters the oil storage tank 21 internally provided with the second heat exchanger, the second temperature detection device 22 detects the temperature in the oil storage tank 21 and transmits the detection result to the intelligent controller 3, when the temperature is too high, the cold water and the hot oil are subjected to heat exchange by controlling the second actuator 25 on the cooling water inlet pipe 23 and the cooling water outlet pipe 24, so that the temperature of the hot oil is maintained at about 280 ℃, when the machine changes the die 1, the temperature of the die 1 which is just on is insufficient, the preheating of the die 1 is realized through the hot oil, the temperature of the die 1 is raised by adopting the oil temperature, and then the die casting is started, so that the rejection rate of products is reduced.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. An intelligent die casting die closed loop temperature control system, includes mould (1), its characterized in that: the utility model discloses a hot oil storage device, including mould (1), cooling tower (6) left side is connected with wet return (15), wet return (15) the other end is connected with second shunt (12), mould (1) is run through on the right side of shunt (14) is connected with first shunt (9), the bottom of first shunt (9) is connected with inlet tube (13), the other end of inlet tube (13) is connected with water pump (8), there is ball valve (7) left side of water pump (8) through the pipe connection, cooling tower (6) left side is connected with wet return (15) the other end is connected with second shunt (12), mould (1) are run through on the left side of shunt (14) to the second shunt (12) top is connected with hot oil inlet tube (26) and hot oil outlet tube (27) with the other end of shunt (14), the lateral wall of mould (1) is connected with hot oil inlet tube (26) and hot oil outlet tube (27), and hot oil inlet tube (27) are installed on the equal heat exchanger (27) of second and the equal heat storage tank (28) of carrying out on the left side of shunt (14), the bottom of oil storage tank (21) is connected with cooling water inlet pipe (23) and cooling water outlet pipe (24), all install second executor (25) on cooling water inlet pipe (23) and the cooling water outlet pipe (24), the top of cooling water inlet pipe (23) and cooling water outlet pipe (24) is connected with the inside second heat exchanger of oil storage tank (21), the top of oil storage tank (21) is connected with hot oil introducing pipe (19) and hot oil recovery pipe (20), the top of hot oil introducing pipe (19) and hot oil recovery pipe (20) is connected with first heat exchanger (18), there is tobacco pipe (17) in the left side of first heat exchanger (18) through the pipe connection, the bottom of tobacco pipe (17) is connected with furnace (16), second temperature detection device (22) are installed to the inner chamber of oil storage tank (21), the output of first temperature detection device (2), flowmeter (10) and second temperature detection device (22) all electrically connect the input of intelligent control ware (3), the intelligent control ware (3) show board (5) respectively and manufacturing system (4) (execution electric control ware) (MES) respectively, two-way electric connection (8) (4) are carried out respectively Inputs of the second actuator (25) and the third actuator (28); the first temperature detection device (2) and the second temperature detection device (22) are K-type thermocouples; the number of the first temperature detection devices (2) is the same as the number of the shunt tubes (14).
2. The intelligent die casting mold closed loop temperature control system according to claim 1, wherein: the intelligent controller (3) is connected with a remote monitoring terminal through a wireless communication network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810801685.8A CN108772554B (en) | 2018-07-20 | 2018-07-20 | Intelligent die-casting die closed-loop temperature control system |
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| CN201810801685.8A CN108772554B (en) | 2018-07-20 | 2018-07-20 | Intelligent die-casting die closed-loop temperature control system |
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| CN108772554A CN108772554A (en) | 2018-11-09 |
| CN108772554B true CN108772554B (en) | 2023-09-01 |
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| CN110027182A (en) * | 2019-05-28 | 2019-07-19 | 福建富兰光学有限公司 | A kind of dynamic analog temperature switching device |
| CN110181034A (en) * | 2019-06-05 | 2019-08-30 | 安徽省恒泰动力科技有限公司 | Aluminum piston product qualification rate is improved with production line monitoring system |
| CN110285643A (en) * | 2019-06-12 | 2019-09-27 | 宁波普锐明汽车零部件有限公司 | Thermal-arrest warms up the pre-heating mean of mould equipment and its working method and mold |
| CN111604486B (en) * | 2020-07-07 | 2022-04-22 | 芜湖舜富精密压铸科技有限公司 | Cold chamber die casting machine with recyclable waste heat |
| CN111673068A (en) * | 2020-07-09 | 2020-09-18 | 苏州奥德机械有限公司 | Temperature control island based on die-casting production mould realizes intelligent control |
| CN113070461B (en) * | 2021-03-31 | 2023-04-07 | 浙大宁波理工学院 | Active die-casting mold temperature control equipment and method |
| CN112872325B (en) * | 2021-04-22 | 2022-08-09 | 浙大宁波理工学院 | Self-adaptation die casting die temperature control device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20080035299A1 (en) * | 2006-08-11 | 2008-02-14 | Husky Injection Molding Systems Ltd. | Detection of plug blow from metal-molding system, amongst other things |
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| JPS62161452A (en) * | 1986-01-10 | 1987-07-17 | Akio Nakano | Die casting machine |
| CN203292459U (en) * | 2013-05-17 | 2013-11-20 | 创金美科技（深圳）有限公司 | Die-casting mold constant-temperature system |
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Denomination of invention: An intelligent closed-loop temperature control system for die-casting molds Granted publication date: 20230901 Pledgee: Agricultural Bank of China Limited Ningbo Yinzhou Branch Pledgor: NINGBO PREMIUM AUTOMOTIVE PARTS Co.,Ltd. Registration number: Y2024980037699 |
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