CN207914556U - A kind of die-casting system constant temperature and pressure cooling equipment - Google Patents
A kind of die-casting system constant temperature and pressure cooling equipment Download PDFInfo
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- CN207914556U CN207914556U CN201721883905.3U CN201721883905U CN207914556U CN 207914556 U CN207914556 U CN 207914556U CN 201721883905 U CN201721883905 U CN 201721883905U CN 207914556 U CN207914556 U CN 207914556U
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Abstract
The utility model discloses a kind of die-casting system constant temperature and pressures to cool down equipment, including die casting machine, mold, the water tank for storing cooling water, water tank are connected by cold water pipes and water return pipeline with die casting machine, mold；2 heat exchangers are provided in cold water pipeline, it can be from cold water pipeline interval from wherein any one heat exchanger by shut-off valve；Low-lift pump and high-pressure pump, and the high-pressure air source with high pressure parallel connection of pumps are additionally provided on cold water pipe road；Cooling water or air are sent to die casting machine, mold by low-lift pump, high-pressure pump, high-pressure air source, cooling water flows back into water tank, air discharge by water return pipeline.Through the above way, the utility model can provide the cooling water of two kinds of different pressures for die casting machine, mold and water, the cooling medium of two kinds of gas are carried out at the same time temperature control, and in such a way that 2 cooling systems are set, realize the control of two level temperature, while improving temperature control precision, reach more energy-efficient effect.
Description
Technical field
The utility model is related to a kind of metal die casting corollary equipments, and in particular to for being cooled down to die casting machine and mold
A kind of die-casting system constant temperature and pressure of cooling cools down equipment.
Background technology
During metal die casting, the punch of mold and die casting machine, pressure chamber are required to carry out high-precision temperature control
System, to improve product quality and production efficiency, and extends the service life of mold.
Chinese south and north makes die casting system across about 49 degree of latitude, temperature difference great disparity, the temperature difference in adding throughout the year
The temperature control control mode of system also has prodigious otherness.Especially for the climate characteristic of south and north, more supernumerary segment is designed
Energy, environmentally friendly die-casting system constant temperature and pressure cooling equipment have very strong practical value.
Utility model content
The utility model having die-casting system constant temperature and pressure cooling equipment mainly solving the technical problems that providing one kind, can
To provide the cooling water of two kinds of different pressures for die casting machine, mold and water, the cooling medium of two kinds of gas are carried out at the same time temperature control, and
In such a way that 2 cooling systems are set, the control of two level temperature is realized, improving the same of temperature control precision and response time
When, reach more energy-efficient effect.
In order to achieve the above object, the utility model uses following technical scheme：
A kind of die-casting system constant temperature and pressure cooling equipment, including die casting machine（3）, mold（5）, for the die casting machine
（3）, mold（5）The water tank of cooling water is provided（18）And control system（19）, the die casting machine（3）, mold（5）Pass through cold water
Pipeline（15）With water tank（18）Connection, the cold water pipeline（15）In be additionally provided with low-lift pump（8）, heat exchanger（7）, high-pressure pump
（4）, high-pressure air source（14）；The die casting machine（3）, mold（5）It is connected separately with 1 or 1 or more low pressure cold water pipeline
（15）, high pressure water/air pipe（16）, water return pipeline（17）；The die casting machine（3）, mold（5）The cold water pipeline at water inlet end
（15）, high pressure water/air pipe（16）On be connected with pressure gauge（10）, thermometer（11）, connect on the water return pipeline of water outlet end
There is flowmeter（12）.The low-lift pump（8）, high-pressure pump（4）, high-pressure air source（14）It is respectively used to as die casting machine（3）, mold
（5）Low pressure cooling water, high-pressure cooling water and pressure-air needed for temperature control is provided.
Further, the heat exchanger（7）2 are provided with, shut-off valve can be passed through（6）By any one heat exchange therein
Device（7）From cold water pipeline（15）In be isolated.
Further, 2 heat exchangers（7）Low temperature side be separately connected level-one cooling system（1）, two level cooling system
System（2）, level-one cooling system（1）Temperature control between 10 ~ 30 degrees Celsius；Two level cooling system（2）Temperature control 0 ~
Between 20 degrees Celsius；Pass through level-one cooling system（1）, two level cooling system（2）Respectively cold water pipeline（15）Cooling water into
Trip temperature controls.
Further, level-one cooling system（1）In refrigerating plant be cooling tower（101）, two level cooling system（2）In
Refrigerating plant be freeze water dispenser（201）.
Further, 2 heat exchangers（7）High temperature side enter water, water outlet end is both provided with pressure gauge（10）、
Thermometer（11）, the water moderate pressure for detecting cooling water.
Further, the low-lift pump（8）2 are provided with, is connected in parallel with each other, can independently be controlled.
Further, the high-pressure pump（4）With high-pressure air source（14）Mutually it is connected in parallel each other.
Further, the die casting machine（3）, mold（5）Water inlet temperature control between 20 ~ 30 degrees Celsius.
Further, the filter（9）Water intake end and water outlet be both provided with pressure gauge（10）And thermometer
（11）, by comparing the pressure and temperature difference of water intake end and water outlet, it can be determined that filter（9）Filter efficiency.
Description of the drawings
Fig. 1 is the system structure diagram of the utility model die-casting system constant temperature and pressure cooling equipment.
1. level-one cooling system；101. level-one refrigeration equipment；102. proportioning valve；2. two level cooling system；201. two-stage system
Cool equipment；3. die casting machine；4. high-pressure pump；5. mold；6. shut-off valve；7. heat exchanger；701. high temperature side；702. low temperature side；8. low
Press pump；9. filter；10. pressure gauge；11. thermometer；12. flowmeter；13. check valve；14. high-pressure air source；15. cold water pipe
Road；16. water/gas pipeline；17. water return pipeline；18. water tank；19. controller.
Specific implementation mode
The utility model is described in detail with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, a kind of die-casting system constant temperature and pressure cools down equipment, including die casting machine（3）, mold（5）, for institute
State die casting machine（3）, mold（5）The water tank of cooling water is provided（18）, the die casting machine（3）, mold（5）Pass through cold water pipeline
（15）With water tank（18）Connection, the cold water pipeline（15）In be additionally provided with low-lift pump（8）, heat exchanger（7）, high-pressure pump（4）、
High-pressure air source（14）, the low-lift pump（8）, high-pressure pump（4）, high-pressure air source（14）It is respectively used to as die casting machine（3）, mold（5）
Low pressure cooling water, high-pressure cooling water and pressure-air needed for temperature control is provided.
Cooling water is from water tank（18）In pass through low-lift pump（8）By filter（9）Cold water pipeline is sent into after filtering（15）, pressure
Between 0.6 ~ 1.0MPa of power range.Low-lift pump（8）It is provided with 2, it is parallel with one another, control system can be passed through（19）It carries out independent
Control.
2 heat exchangers, the high temperature side of described 2 heat exchangers are provided in cold water pipeline（701）With cold water pipeline unicom,
And shut-off valve can be passed through（6）By any one heat exchanger therein from cold water pipeline（15）In be isolated.
2 heat exchangers（7）High temperature side（701）Enter water, water outlet end is both provided with pressure gauge（10）, temperature
Table（11）, the water moderate pressure for detecting cooling water, and the result of detection is fed back into control system（19）.Control system
（19）According to monitoring result to low-lift pump（8）It is controlled, makes the pressure and temperature of cooling water in pipeline in the range of setting
Stablize.
2 heat exchangers（7）Low temperature side（702）It is separately connected level-one cooling system（1）, two level cooling system
（2）, level-one cooling system（1）Temperature control between 10 ~ 30 degrees Celsius；The temperature control 0 ~ 20 of two level cooling system is Celsius
Between degree；Pass through level-one cooling system（1）, two level cooling system（2）Respectively the cooling water of cold water pipeline is controlled into trip temperature.
The level-one cooling system（1）In refrigerating plant be cooling tower（101）, two level cooling system（2）In
Refrigerating plant is to freeze water dispenser（201）.
The cold water pipeline（15）It is being divided into 3 tunnels after heat exchanger, is respectively leading to die casting machine（3）, mold（5）And high pressure
Pump（4）.Lead to die casting machine（3）, mold（5）Cold water pipeline（15）A plurality of branch can be divided into, be separately connected die casting machine punch,
The dynamic model of pressure chamber and mold, cover half etc..
The high-pressure pump（4）With high-pressure air source（14）Parallel connection, in controller（19）Control under, can be according to mold temperature
The needs of control pass through water/gas pipeline（16）High-pressure cooling water or gas are provided at times to mold.The pressure model of high-pressure water gas
0.8 ~ 1.8MPa is enclosed, caliber 3mm cooling water channels below in mold are particularly suitable for.
The die casting machine（3）, mold（5）Water inlet end have pressure gauge（10）, thermometer（11）, the temperature of water inlet
Control is between 28 ~ 30 degrees Celsius；Water outlet end is equipped with flowmeter（12）, thermometer（11）.
The filter（9）Water intake end and water outlet be both provided with pressure gauge（10）And thermometer（11）, pass through ratio
Compared with the pressure and temperature difference of water intake end and water outlet, it can be determined that filter（9）Filter efficiency.
A kind of die-casting system constant temperature and pressure provided by the utility model cools down equipment, higher in ambient temperature, and cold
But when water temperature difference is smaller, level-one cooling system（Freezed using the cooling tower of low energy consumption）It is less efficient, need two level cooling system
（Freezed using the jelly water dispenser of high energy consumption）It runs simultaneously, to control cooling water temperature；It is relatively low in ambient temperature, with cooling water
When the temperature difference is larger, level-one cooling system（Freezed using the cooling tower of low energy consumption）Efficiency is higher, does not need two level cooling system（It adopts
Freezed with the jelly water dispenser of high energy consumption）It runs simultaneously, you can to control cooling water temperature.Compared with single cooling system, in high temperature
About 40% electric energy can be saved under environment, at low ambient temperatures, can save about 80% electric energy.
Two kinds of methods of operation are specific as follows：
1. hot environment（Higher than 25 degrees Celsius, I and II cooling system works at the same time）：
A. about 35 degree of the water temperature in water tank, low pressure pump work, after cooling water is forced into 0.6 ~ 1.0MPa, through filter mistake
Cold water pipes are sent into after filter；
B. after cooling water flows through the corresponding heat exchanger of level-one cooling system, cooling water temperature is reduced to about 31 degrees Celsius；
C. after flowing through the corresponding heat exchanger of two level cooling system, cooling water temperature is reduced to about 28 degrees Celsius；
D. and then cooling water is divided into 3 tunnels and flows to die casting machine, mold and high-pressure pump respectively；
E. high pressure pump side is provided with high-pressure air source in parallel therewith, and the cooling water for flowing through high-pressure pump is forced into 0.8 ~ 1.8MPa
Afterwards, under the control of the controller, by water/gas pipeline, cooling water or gas are conveyed to mold at times；
F. cooling water and gas are after mold, die casting machine discharge, gas release, cooling water（35 degrees Celsius）Pass through return pipe
Road reflow tank.
2. low temperature environment（Less than 20 degrees Celsius, level-one cooling system work, two level cooling system stops）：
A. about 35 degree of the water temperature in water tank, low pressure pump work, after cooling water is forced into 0.6 ~ 1.0MPa, through filter mistake
Cold water pipes are sent into after filter；
B. after cooling water flows through the corresponding heat exchanger of level-one cooling system, cooling water temperature is reduced to about 28 degrees Celsius；
C. and then cooling water is divided into 3 tunnels and flows to die casting machine, mold and high-pressure pump respectively；
D. high pressure pump side is provided with high-pressure air source in parallel therewith, and the cooling water for flowing through high-pressure pump is forced into 0.8 ~ 1.8MPa
Afterwards, under the control of the controller, by water/gas pipeline, cooling water or gas are conveyed to mold at times；
E. cooling water and gas are after mold, die casting machine discharge, gas release, cooling water（35 degrees Celsius）Pass through return pipe
Road reflow tank.
The foregoing is merely the embodiments of the utility model, and it does not limit the scope of the patent of the present invention, all
It is equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, directly or indirectly uses
In other related technical areas, it is equally included in the patent within the scope of the utility model.
Claims (7)
1. a kind of die-casting system constant temperature and pressure cools down equipment, including die casting machine（3）, mold（5）, for the die casting machine（3）、
Mold（5）The water tank of cooling water is provided（18）And control system（19）, the die casting machine（3）, mold（5）Pass through cold water pipeline
（15）With water tank（18）Connection, the cold water pipeline（15）In be additionally provided with low-lift pump（8）, heat exchanger（7）, high-pressure pump（4）、
High-pressure air source（14）；The die casting machine（3）, mold（5）It is connected separately with low pressure cold water pipeline（15）, high pressure water/air pipe
（16）, water return pipeline（17）；The die casting machine（3）, mold（5）The cold water pipeline at water inlet end（15）, high pressure water/air pipe
（16）On be connected with pressure gauge（10）, thermometer（11）, flowmeter is connected on the water return pipeline of water outlet end（12）.
2. a kind of die-casting system constant temperature and pressure according to claim 1 cools down equipment, it is characterised in that：The heat exchanger
（7）It is provided with 2.
3. a kind of die-casting system constant temperature and pressure according to claim 2 cools down equipment, it is characterised in that：Described 2 change
Hot device（7）Low temperature side（702）It is separately connected level-one cooling system（1）, two level cooling system（2）, level-one cooling system（1）'s
Temperature controls between 10 ~ 30 degrees Celsius；The temperature of two level cooling system controls between 0 ~ 20 degree Celsius.
4. a kind of die-casting system constant temperature and pressure according to claim 3 cools down equipment, it is characterised in that：Level-one cooling system
（1）In refrigerating plant be cooling tower（101）, two level cooling system（2）In refrigerating plant be freeze water dispenser（201）.
5. a kind of die-casting system constant temperature and pressure according to claim 2 cools down equipment, it is characterised in that：Described 2 change
Hot device（7）High temperature side enter water, water outlet end is both provided with pressure gauge（10）, thermometer（11）, for detecting cooling water
Water moderate pressure.
6. a kind of die-casting system constant temperature and pressure according to claim 1 cools down equipment, it is characterised in that：The low-lift pump
（8）2 are provided with, is connected in parallel with each other, can independently be controlled.
7. a kind of die-casting system constant temperature and pressure according to claim 1 cools down equipment, it is characterised in that：The height
Press pump（4）With high-pressure air source（14）Mutually it is connected in parallel each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883905.3U CN207914556U (en) | 2017-12-28 | 2017-12-28 | A kind of die-casting system constant temperature and pressure cooling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721883905.3U CN207914556U (en) | 2017-12-28 | 2017-12-28 | A kind of die-casting system constant temperature and pressure cooling equipment |
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| Publication Number | Publication Date |
|---|---|
| CN207914556U true CN207914556U (en) | 2018-09-28 |
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ID=63615590
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| CN201721883905.3U Active CN207914556U (en) | 2017-12-28 | 2017-12-28 | A kind of die-casting system constant temperature and pressure cooling equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931559A (en) * | 2017-12-28 | 2018-04-20 | 广州北辰机电设备有限公司 | A kind of die-casting system constant temperature and pressure cooling device |
| CN112228773A (en) * | 2019-07-15 | 2021-01-15 | 北京长征天民高科技有限公司 | Cryogenic test system |
| CN115041663A (en) * | 2022-07-22 | 2022-09-13 | 大连理工大学 | Die casting machine charging barrel cooling system and control strategy thereof |
-
2017
- 2017-12-28 CN CN201721883905.3U patent/CN207914556U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107931559A (en) * | 2017-12-28 | 2018-04-20 | 广州北辰机电设备有限公司 | A kind of die-casting system constant temperature and pressure cooling device |
| CN112228773A (en) * | 2019-07-15 | 2021-01-15 | 北京长征天民高科技有限公司 | Cryogenic test system |
| CN115041663A (en) * | 2022-07-22 | 2022-09-13 | 大连理工大学 | Die casting machine charging barrel cooling system and control strategy thereof |
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