CN108284572A - Mold cooling system and the control method of mold cooling - Google Patents
Mold cooling system and the control method of mold cooling Download PDFInfo
- Publication number
- CN108284572A CN108284572A CN201711446196.7A CN201711446196A CN108284572A CN 108284572 A CN108284572 A CN 108284572A CN 201711446196 A CN201711446196 A CN 201711446196A CN 108284572 A CN108284572 A CN 108284572A
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- CN
- China
- Prior art keywords
- mold
- cooling
- water
- microcomputer
- throttle valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 239000002826 coolant Substances 0.000 claims abstract description 25
- 239000000498 cooling water Substances 0.000 claims abstract description 15
- 230000000694 effects Effects 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
- B29C45/7306—Control circuits therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76732—Mould
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
This application discloses the control methods that a kind of mold cooling system and mold cool down, which includes mold and water knockout drum, and more than two circulatory flows are equipped between the mold and water knockout drum, cooling medium is equipped in the circulatory flow；Each circulatory flow is equipped with motorized adjustment throttle valve and temperature sensor, and the temperature sensor is used to be monitored the temperature of cooling medium, and the real time temperature information of acquisition is sent to microcomputer；The microcomputer connects stepper motor, and the stepper motor connects motorized adjustment throttle valve；The microcomputer is used to realize the unlatching size of motorized adjustment throttle valve by the revolution for controlling stepper motor.The whole system of the present invention is acquired data by a microcomputer, and the cooling water inflow of respective cycle runner is controlled by stepper motor, ensures the cooling balanced of mold.
Description
Technical field
This disclosure relates to cooling system, and in particular to mold cooling system and the control method of mold cooling.
Background technology
Currently, the fuel tank and mold of well known injection molding machine need to cool down, since the cooling temperature of the two parts requires not
It is identical to the greatest extent, it is carried out respectively using two line cooling systems so universal injection molding producer cools down in the fuel tank cooling of injection molding machine and mold
It is cooling, by cooling tower for water cooling oil tank for injection molding machine, the mold of injection molding machine is independently cooled down by the chilled water of cooling-water machine.Using cold
It is to improve production efficiency and meet the common way of Product Process to freeze water to carry out cooling to mold, but there are certain defect,
When controlling cooling, since mold needs to form cooling system, and the cooling that each cooling water channel needs by multichannel cooling water channel
Amount is also not quite similar, and the temperature and pressure for the chilled water that existing mold cooling water system enters mold is identical, to mold
Cooling there are unbalanced phenomenon, lead to not accurately make mold bulk temperature uniform.
Invention content
In view of drawbacks described above in the prior art or deficiency, it is intended to provide a kind of mold cooling system balanced to mold cooling
System and the control method of mold cooling.
To achieve the goals above, the technical solution adopted by the present invention is that：
A kind of mold cooling system, including mold and water knockout drum are equipped with more than two between the mold and water knockout drum
Circulatory flow, the circulatory flow is interior to be equipped with cooling medium；
Each circulatory flow is equipped with motorized adjustment throttle valve and temperature sensor, the temperature sensor for pair
The temperature of cooling medium is monitored, and the real time temperature information of acquisition is sent to microcomputer；
The microcomputer connects stepper motor, and the stepper motor connects motorized adjustment throttle valve；
The microcomputer is used to realize the unlatching size of motorized adjustment throttle valve by the revolution for controlling stepper motor.
The water inlet end of the water knockout drum is equipped with inlet valve, and the backwater end of the water knockout drum is equipped with check valve.
Further, each circulatory flow includes an inlet pipeline and an outlet conduit, and the inlet pipeline goes out
Mouth end connecting mold, the input end of the inlet pipeline connect water knockout drum, and the input end connecting mold of the outlet conduit is described
The outlet end of outlet conduit connects water knockout drum；
The inlet pipeline is equipped with temperature sensor；
The inlet pipeline or outlet conduit are equipped with motorized adjustment throttle valve.
The cooling medium is water.
The inlet valve is 24V solenoid valves.
The present invention also provides a kind of control methods of mold cooling, include the following steps：
The coolant temperature information in inlet pipeline is acquired by temperature sensor, and the temperature information of acquisition is sent
To microcomputer；
Microcomputer calculates input data according to the software pre-set, is analyzed, according to cooling medium
Input value calculates corresponding motorized adjustment throttle valve and needs the area opened, and then sends instructions to step by microcomputer
Stepper motor；
After acquisition instruction, step motor control motorized adjustment throttle valve is opened according to relevant ratio, and mold is allowed to obtain phase
The amount of cooling water answered achievees the effect that expected cooling.
The cooling medium is water；The input value is 60-100 DEG C.
The coolant temperature information that multiple temperature sensors are sent is obtained by a microcomputer, it will be different
Coolant temperature information is sent to corresponding stepper motor, and the corresponding motorized adjustment throttle valve of step motor control is opened
Open size.
Compared with prior art, the beneficial effects of the invention are as follows：
The whole system of the present invention is acquired data by a microcomputer, and is controlled by stepper motor
The cooling water inflow of respective cycle runner, then increases cooling water inflow when the outlet temperature of mold is higher, when outlet temperature compared with
Cooling water inflow is then reduced when low, to make mold that can obtain stable cooling effect in each circulatory flow, ensures mould
The cooling equilibrium of tool.Each cooling water channel of mold is independently controlled by multiple equipment parallel connection, mold is made respectively to recycle
The water flowing time of runner is different, and the beginning and ending time of water flowing is also different, and the temperature of mold is made to reach consistent, to obtain most preferably cold
But effect.
Description of the drawings
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is the structural schematic diagram of mold cooling system provided in an embodiment of the present invention.
In figure：
1- inlet valves, 2- check valves, 3- stepper motors, 4- motorized adjustment throttle valves, 5- temperature sensors, the miniature calculating of 6-
Machine, 7- molds, 8- water knockout drums, 9- circulatory flows, 10- inlet pipelines, 11- outlet conduits.
Specific implementation mode
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that in order to
Convenient for description, is illustrated only in attached drawing and invent relevant part.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Referring to Fig. 1, a kind of mold cooling system, including mold 7 and water knockout drum 8, two are equipped between mold 7 and water knockout drum 8
A above circulatory flow 9, circulatory flow 9 is interior to be equipped with cooling medium；
Each circulatory flow 9 is equipped with motorized adjustment throttle valve 4 and temperature sensor 5, and temperature sensor 5 is used for cooling
The temperature of medium is monitored, and the real time temperature information of acquisition is sent to microcomputer 6；
Microcomputer 6 connects stepper motor 3, and stepper motor 3 connects motorized adjustment throttle valve 4；
Microcomputer 6 is used to realize the unlatching size of motorized adjustment throttle valve 4 by the revolution for controlling stepper motor 3.
The present invention is consistent by the temperature of each circulatory flow of Microcomputer control, ensure that mold bulk temperature
Uniformly.
On the basis of the above embodiments, the water inlet end of water knockout drum 8 is equipped with inlet valve 1 to the present embodiment, and water knockout drum 8 returns
Water end (W.E.) is equipped with check valve 2.
The present invention controls the break-make of cooling water channel in mold circulatory flow by installing inlet valve and check valve, prevents out
The water of return pipe pours in down a chimney in mold and phenomenon of sweating occurs when mould or when mold is still persistently cooling when stopping production and shuts down,
Cooling water can be interrupted when injection molding machine just starts again to be prevented from hindering mold heating.A point water is controlled using inlet valve and check valve
Water in device can also have energy-efficient effect while obtaining best cooling effect.
On the basis of the above embodiments, each circulatory flow 9 includes an inlet pipeline 10 and an outlet to the present embodiment
Road 11, the outlet end connecting mold 7 of inlet pipeline 10, the input end of inlet pipeline 10 connect water knockout drum 8, outlet conduit 11 into
Mouth end connecting mold 7, the outlet end of outlet conduit 11 connects water knockout drum 8；
It is connected with temperature sensor 5 and motorized adjustment throttle valve 4 on inlet pipeline 10 in turn.
Motorized adjustment throttle valve 4 can also be arranged on outlet conduit 11.
It is preferred that motorized adjustment throttle valve 4 is arranged on inlet pipeline 10, module plug-in is made when convenient for finally realizing, it is convenient
Make individual die.
The circulatory flow of the present invention is multiple, is sequentially distributed in water knockout drum both sides, passes through the temperature of independent detection inlet pipeline
Degree, adjusts corresponding motorized adjustment throttle valve, ensures that coolant temperature is consistent in the inlet pipeline of each circulatory flow respectively,
To ensure that the harmony of mold cooling.
On the basis of the above embodiments, the cooling medium is water to the present embodiment.
Preferably, inlet valve 1 is 24V solenoid valves.
The present invention uses 24V solenoid valves, because water is electrically conductive, solenoid valve is contacted with water for a long time, once it leaks electricity
More serious consequence is will produce, so using the solenoid valve of 24V, ensures the safety of personnel.
The present invention also provides a kind of control methods of mold cooling, include the following steps：
The coolant temperature information in inlet pipeline is acquired by temperature sensor, and the temperature information of acquisition is sent
To microcomputer；
Microcomputer calculates input data according to the software pre-set, is analyzed, according to cooling medium
Input value calculates corresponding motorized adjustment throttle valve and needs the area opened, and then sends instructions to step by microcomputer
Stepper motor；
After acquisition instruction, step motor control motorized adjustment throttle valve is opened according to relevant ratio, and mold is allowed to obtain phase
The amount of cooling water answered achievees the effect that expected cooling.
When cooling medium is water.The temperature input value of setting has relationship with material and specific part process, usually selects
Input value be 60-100 DEG C.
Preferably, the present invention obtains the coolant temperature that multiple temperature sensors are sent by a microcomputer
Different coolant temperature information is sent to corresponding stepper motor by information, and the step motor control is corresponding electronic
Adjust the unlatching size of throttle valve.
Referring to Fig. 1, for the present invention after motorized adjustment throttle valve opening, each temperature sensor 5 continues the water to its position
Temperature is detected, when water temperature exception and alarm, to ensure stable water supply.The runoff investigation equipment of the present invention is independent control
The equipment in molding jig water route can be by multiple equipment in parallel, to make each water flow passage can if water route is more in mold
Obtain the amount of cooling water needed for oneself leads to energy loss without regard to sub-cooled；Runoff investigation equipment herein includes parallel connection
Multiple temperature sensors 5, motorized adjustment throttle valve 4 and stepper motor 3, microcomputer 6 selects one, the present invention
Fig. 1 in indicate 7 road circulatory flows 9, the wherein inlet pipeline of I corresponds to the outlet conduit of I, and the inlet pipeline of II corresponds to II's
The inlet pipeline of outlet conduit, III corresponds to the outlet conduit of III, and the inlet pipeline of IV corresponds to the outlet conduit of IV, the import of V
Pipeline corresponds to the outlet conduit of V, and the inlet pipeline of VI corresponds to the outlet conduit of VI, and the inlet pipeline of N corresponds to the outlet conduit of N.
The stepper motor of the present invention is the opened loop control element that electric impulse signal is changed into angular displacement or displacement of the lines.Non-
In the case of overload, the rotating speed of motor, the position of stopping are solely dependent upon the frequency and umber of pulse of pulse signal, without being become by load
The influence of change, as soon as when step actuator receives a pulse signal, its Driving Stepping Motor rotates one by the direction of setting
Fixed angle, referred to as " step angle ", its rotation are run step by step with fixed angle.It can be by controlling pulse
Number controls angular displacement, to achieving the purpose that accurate positionin；Motor can be controlled by controlling pulse frequency simultaneously
The speed and acceleration of rotation, to achieve the purpose that accurate speed governing.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that invention scope involved in the application, however it is not limited to technology made of the specific combination of above-mentioned technical characteristic
Scheme, while should also cover in the case where not departing from the inventive concept, it is carried out by above-mentioned technical characteristic or its equivalent feature
Other technical solutions of arbitrary combination and formation.Such as features described above has similar work(with (but not limited to) disclosed herein
Can technical characteristic replaced mutually and the technical solution that is formed.
Claims (8)
1. a kind of mold cooling system, including mold and water knockout drum, which is characterized in that be equipped with two between the mold and water knockout drum
A above circulatory flow, the circulatory flow is interior to be equipped with cooling medium；
Each circulatory flow is equipped with motorized adjustment throttle valve and temperature sensor, and the temperature sensor is used for cooling
The temperature of medium is monitored, and the real time temperature information of acquisition is sent to microcomputer；
The microcomputer connects stepper motor, and the stepper motor connects motorized adjustment throttle valve；
The microcomputer is used to realize the unlatching size of motorized adjustment throttle valve by the revolution for controlling stepper motor.
2. mold cooling system according to claim 1, which is characterized in that the water inlet end of the water knockout drum is equipped with into water
The backwater end of valve, the water knockout drum is equipped with check valve.
3. mold cooling system according to claim 1 or 2, which is characterized in that each circulatory flow include one into
The input end connection of mouth pipeline and an outlet conduit, the outlet end connecting mold of the inlet pipeline, the inlet pipeline divides water
The outlet end of device, the input end connecting mold of the outlet conduit, the outlet conduit connects water knockout drum；
The inlet pipeline is equipped with temperature sensor；
The inlet pipeline or outlet conduit are equipped with motorized adjustment throttle valve.
4. mold cooling system according to claim 3, which is characterized in that the cooling medium is water.
5. mold cooling system according to claim 4, which is characterized in that the inlet valve is 24V solenoid valves.
6. a kind of control method of mold cooling, which is characterized in that include the following steps：
The coolant temperature information in inlet pipeline is acquired by temperature sensor, and the temperature information of acquisition is sent to micro-
Type computer；
Microcomputer calculates input data according to the software pre-set, is analyzed, according to the input of cooling medium
Value calculates corresponding motorized adjustment throttle valve and needs the area opened, and then sends instructions to stepping electricity by microcomputer
Machine；
After acquisition instruction, step motor control motorized adjustment throttle valve is opened according to relevant ratio, and mold is allowed to obtain accordingly
Amount of cooling water achievees the effect that expected cooling.
7. the control method of mold cooling according to claim 6, which is characterized in that the cooling medium is water；It is described
Input value is 60-100 DEG C.
8. the control method of mold cooling according to claim 6, which is characterized in that obtained by a microcomputer
The coolant temperature information for taking multiple temperature sensors to send, corresponding step is sent to by different coolant temperature information
Stepper motor, the unlatching size of the corresponding motorized adjustment throttle valve of the step motor control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446196.7A CN108284572A (en) | 2017-12-27 | 2017-12-27 | Mold cooling system and the control method of mold cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711446196.7A CN108284572A (en) | 2017-12-27 | 2017-12-27 | Mold cooling system and the control method of mold cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108284572A true CN108284572A (en) | 2018-07-17 |
Family
ID=62832473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711446196.7A Pending CN108284572A (en) | 2017-12-27 | 2017-12-27 | Mold cooling system and the control method of mold cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108284572A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480384A (en) * | 2019-09-05 | 2019-11-22 | 东莞市得力仕机械科技有限公司 | A kind of samming freezing clamping device and its control method |
| CN113815209A (en) * | 2021-08-25 | 2021-12-21 | 台州市黄岩西诺模具有限公司 | Umbrella-shaped cooling water path insert for injection mold |
| CN113985936A (en) * | 2021-09-28 | 2022-01-28 | 宁波合力科技股份有限公司 | Temperature control thimble for casting and temperature control method thereof |
| CN114523638A (en) * | 2021-08-25 | 2022-05-24 | 台州市黄岩西诺模具有限公司 | Injection mold with umbrella-shaped cooling water channel |
| CN114536618A (en) * | 2022-02-25 | 2022-05-27 | 广州炎恒燊科技有限公司 | Cooling controllable system for polyurethane balloon forming equipment |
| CN117400502A (en) * | 2023-10-31 | 2024-01-16 | 山东佳邦机械设备有限公司 | Energy-saving control system and control method for injection molding machine |
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| CN103203851A (en) * | 2013-04-27 | 2013-07-17 | 无锡市智富信息科技开发有限公司 | Mold constant-temperature cooling system |
| CN205364448U (en) * | 2015-12-08 | 2016-07-06 | 苏州技泰精密部件有限公司 | Injection mold cools off temperature control system |
| CN208263367U (en) * | 2017-12-27 | 2018-12-21 | 广东伟达智能装备股份有限公司 | Mold cooling system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110480384A (en) * | 2019-09-05 | 2019-11-22 | 东莞市得力仕机械科技有限公司 | A kind of samming freezing clamping device and its control method |
| CN113815209A (en) * | 2021-08-25 | 2021-12-21 | 台州市黄岩西诺模具有限公司 | Umbrella-shaped cooling water path insert for injection mold |
| CN114523638A (en) * | 2021-08-25 | 2022-05-24 | 台州市黄岩西诺模具有限公司 | Injection mold with umbrella-shaped cooling water channel |
| CN113815209B (en) * | 2021-08-25 | 2024-02-09 | 台州市黄岩西诺模具有限公司 | Umbrella-shaped cooling waterway insert for injection mold |
| CN114523638B (en) * | 2021-08-25 | 2024-05-03 | 台州市黄岩西诺模具有限公司 | Injection mold with umbrella-shaped cooling water channel |
| CN113985936A (en) * | 2021-09-28 | 2022-01-28 | 宁波合力科技股份有限公司 | Temperature control thimble for casting and temperature control method thereof |
| CN113985936B (en) * | 2021-09-28 | 2023-09-22 | 宁波合力科技股份有限公司 | Casting control Wen Dingzhen and temperature control method thereof |
| CN114536618A (en) * | 2022-02-25 | 2022-05-27 | 广州炎恒燊科技有限公司 | Cooling controllable system for polyurethane balloon forming equipment |
| CN117400502A (en) * | 2023-10-31 | 2024-01-16 | 山东佳邦机械设备有限公司 | Energy-saving control system and control method for injection molding machine |
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