CN102886882B - Low-temperature mold temperature controller - Google Patents
Low-temperature mold temperature controller Download PDFInfo
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- CN102886882B CN102886882B CN201210430232.1A CN201210430232A CN102886882B CN 102886882 B CN102886882 B CN 102886882B CN 201210430232 A CN201210430232 A CN 201210430232A CN 102886882 B CN102886882 B CN 102886882B
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Abstract
The invention discloses a low-temperature mold temperature controller, and relates to the technical field of temperature control. The low-temperature mold temperature controller comprises a pipeline system and an appliance control system; the pipeline system comprises a main circulating water loop, a refrigerant supply pipeline system, a refrigerant returning and cooling draining pipeline system, a pressure PID (Proportion Integration Differentiation) adjusting system, a temperature PID control system and a draining pipeline; the appliance control system comprises a main control chip, a pressure controller and a temperature controller; the main circulating water loop is provided with an electric two-way pressure regulating valve; and an electric three-way temperature adjusting valve is arranged between the refrigerant supply pipeline system and the main circulating water loop. With the adoption of the low-temperature mold temperature controller disclosed by the invention, the water temperature and pressure can be effectively controlled, therefore, the running pressure and circulating flow of a circulating medium are stabilized, and the purpose of controlling the temperature of a mold can be indirectly and stably controlled; and the low-temperature mold temperature controller is high in degree of automation, and is simple and convenient to operate.
Description
Technical field
The present invention relates to temperature controller tool field, specifically a kind of Low-temperature mold temperature controller.
Background technology
Mould temperature controller be called for short die heater, be divided into water circulation and oil circulating, be mainly used for general mould and machinery temperature control, within certain temperature, make goods when shaping, keep optimum state to guarantee quality of finished.Unequal or unsuitable mold temperature can cause casting dimension unstable, ejects casting deformation in process of production, produces the defect such as thermal pressure, glutinous mould, surface indentation, internal shrinkage and thermal.Production cycle is also had an impact, as filling time, cool time and spray time all produce unstable parameter.Life-span of mould also can produce hot tearing because causing by being cold overheated impact expensive steel, accelerates that it is aging.
Conventional die heater temperature control scope generally at 50-300 DEG C, can not meet some plastic cement products shaping time needs lower mold temperature (18-45 DEG C).Conventional die heater temperature-controlled process is, by Die temperature control equipment, cooling fluid or heating fluid are flowed into the control realizing temperature in mould by runner.Such method is simple, and but there is more problem, the detection of such as temperature can not be synchronous with the adjustment of temperature, the deficiency of motor regulated valve, and heat-exchange capacity deficiency causes temperature to decline timely or to raise.In the die heater of routine, liquid flows in the duct, and pressure and flow can not get effective control, result in thermoregulator instability, and life-span and the quality of mould impact.Moreover the drainage system of the die heater of routine is perfect not, causes residual liquid to leave within pipeline, accelerate the aging speed of instrument and equipment.
Summary of the invention
The technical problem to be solved in the present invention is for above-mentioned deficiency of the prior art, a kind of Low-temperature mold temperature controller is provided, this die heater effectively controls water temperature, pressure, stabilize circulation media operations pressure and circular flow, the indirectly stability contorting object of mold temperature, and automaticity height is easy and simple to handle, make mould temperature stabilization control range between 18-45 DEG C.
Technical scheme of the present invention is:
Low-temperature mold temperature controller, comprise pipe-line system and electrical apparatus control system, described pipe-line system comprises major cycle water loop, refrigerant feeding pipe system, refrigerant return and cool discharge pipe system, pressure P ID regulating system, temperature PID control system and discharge pipe line, described electrical apparatus control system is made up of Master control chip, pressure controller and temperature controller, described major cycle water loop arranges electronic two-way pressure-regulating valve, arranges electric three passes temperature control valve (TCV) between described refrigerant feeding pipe system and major cycle water loop.
Described major cycle water loop also comprises circulating pump, superpressure switch; pressure probe, temp probe and heater; described electronic two-way pressure-regulating valve one end is connected with described circulating pump; the other end is connected with described heater; heater is also connected with overtemperature protection device; described electronic two-way pressure-regulating valve is electrically connected with described pressure probe by electronic two-way pressure-regulating valve locator, and described pressure probe and electronic two-way pressure-regulating valve locator are electrically connected with pressure controller respectively.
Described major cycle water loop is also provided with Pressure gauge, check valve and ball valve.
Described electric three passes temperature control valve (TCV) is electrically connected with temp probe by electric three passes temperature control valve (TCV) locator, and described electric three passes temperature control valve (TCV) locator is electrically connected with temperature controller.
Described refrigerant feeding pipe system includes frozen water machine, " Y " type filter, low tension switch and magnetic valve, is also provided with heat exchanger between refrigerant feeding pipe system and major cycle water loop.
Described discharge pipe line includes magnetic valve, check valve and ball valve.
Described Master control chip is connected with pressure controller and temperature controller, and is connected to control button system, and pressure controller and temperature controller are connected respectively electronic two-way pressure-regulating valve locator and electric three passes temperature control valve (TCV) locator.
Beneficial effect of the present invention is: electronic two-way pressure-regulating valve obtains the information feed back of pressure probe, can timely bidirectional modulation circulation in pressure and flow, ensure that the stability of liquid flow in circulation, electric three-way regulating valves obtains the information feed back of temp probe, can the mode that regulates of selective temperature promptly and accurately, ensure the adjustment of temperature and the temperature of temperature, larger heat exchanger can be good at hot-swap feature, ensure that the fast liter of temperature falls soon, drain function passes through magnetic valve, ball valve, the unidirectional when synergic adjustment of check valve ensure that draining, the device for transferring of stable and uniform, control temperature scope simultaneously, make up some plastic cement products shaping time control and the defect that causes deformation of products or product instability because not reaching lower mold temperature.
Accompanying drawing explanation
Fig. 1 die heater pipeline structure schematic diagram.
Fig. 2 die heater line construction schematic diagram.
Shown in figure: 1, electronic two-way pressure-regulating valve 2, circulating pump 3, superpressure switch 4, pressure probe 5, temp probe 6, check valve 7, Pressure gauge 8, magnetic valve 9, check valve 10, magnetic valve 11, mould 12, Pressure gauge 13, temp probe 14, folder valve 15, electric three-way regulating valves 16, temperature probe 17, heater 18, low tension switch 19, heat exchanger 20, magnetic valve 21, magnetic valve 22, " Y " type filter 23, frozen water machine 24, overtemperature protection device 25, Master control chip 26, temperature controller 27, pressure controller 28, electronic two-way pressure-regulating valve locator 29, electric three passes temperature control valve (TCV) locator 30, control button system
Detailed description of the invention
With reference to figure 1 and Fig. 2, Low-temperature mold temperature controller, comprise pipe-line system and electrical apparatus control system, described pipe-line system comprises major cycle water loop, refrigerant feeding pipe system, refrigerant return and cool discharge pipe system, pressure P ID regulating system, temperature PID control system and discharge pipe line, described electrical apparatus control system passes through Master control chip, pressure controller and temperature controller composition, described major cycle water loop arranges electronic two-way pressure-regulating valve 1, arranges electric three passes temperature control valve (TCV) 15 between described refrigerant feeding pipe system and major cycle water loop.Pressure P ID regulating system is the PID regulating system of systemic circulation media pressure stability, stable circulation matchmaker flow.Temperature PID control system returns feedback circulation matchmaker Current Temperatures mainly through constantly monitoring of popping one's head in, and carry out logic with design temperature and compare, export the aperture of control mode regulable control valve and the frequency of cooling valve discharge heating agent and coolant adding with PID, thus reach the object of stable mold temperature.
As shown in Figure 1; described major cycle water loop also comprises circulating pump 2, superpressure switch 3, pressure probe 4, temp probe 5 and heater 17; described electronic two-way pressure-regulating valve 1 one end is connected with described circulating pump 2; the other end is connected with described heater 17; heater 17 is also connected with overtemperature protection device 24; described electronic two-way pressure-regulating valve 1 is electrically connected with described pressure probe 4 by electronic two-way pressure-regulating valve locator, and described pressure probe 4 and electronic two-way pressure-regulating valve 1 locator are electrically connected with pressure controller respectively.Described major cycle water loop is also provided with Pressure gauge 7, check valve 6 and ball valve.Circulating pump 2 drives the flowing of liquid in circulation, whether normal through superpressure switch 3 detection system operating pressure, pressure feedback is recorded in electronic two-way pressure-regulating valve 1 again through pressure probe 4, measure temperature through excess temperature probe 5 after regulating water flow pressure, flow in mould through unidirectional the entering after Pressure gauge 7 records force value of check valve 6.Heater 17 provides thermal source, when in heater when amount of liquid deficiency overtemperature protection device 24 heater 17 can be protected to cross cause thermal damage.
As shown in Figure 1 and Figure 2, described electric three passes temperature control valve (TCV) 15 is electrically connected with temp probe 16 by electric three passes temperature control valve (TCV) locator, and described electric three passes temperature control valve (TCV) locator is electrically connected with temperature controller.Described refrigerant feeding pipe system includes frozen water machine 23, " Y " type filter 22, low tension switch 18 and magnetic valve 20, is also provided with heat exchanger 19 between refrigerant feeding pipe system and major cycle water loop.After liquid sends laggard entry loop from mould, Pressure gauge 12 and temp probe 13 measure pressure and temperature, stablize under the adjustment of electric three passes temperature control valve (TCV) 15 or change fluid temperature fast, or feeding heat exchanger 19 cools, or send into heater 17 continuation heating, frozen water machine 23 provides refrigerant to carry out chilling temperature, and when insufficient pressure low tension switch 18 and magnetic valve 20 Collaborative Control fluid flow steady pressure.When needs use cold water, control frozen water is directly sent into circulating pump 2 circulation and is entered mould 11 by electric three-way regulating valves 15.
As shown in Figure 1, described discharge pipe line includes magnetic valve 10, check valve 9 and ball valve.Need to get rid of liquid after work completes, now controlled to be filled with compressed air, again because check valve 9 determines that drainage direction prevents liquid countercurrent from entering compressed air piping by magnetic valve 10 from discharge pipe line.
As shown in Figure 1 and Figure 2, described Master control chip 25 is connected with pressure controller 27 and temperature controller 26, and being connected to control button system 30, pressure controller 27 and temperature controller 26 are connected respectively electronic two-way pressure-regulating valve locator 28 and electric three passes temperature control valve (TCV) locator 29.After Master control chip 25 receives the pseudoinstruction in control button system 30 after passing into power supply, run the programme-control pressure controller 27 and temperature controller 26 that set, and then control corresponding locator.Main control chip 25 is had also to be responsible for each switch of whole system again and corresponding circuits passes into and disconnection.
Start die heater, circuit control system regulates program cycle, circulating pump 2 is come into operation immediately, by circulating pressure and the flow thereof of Stress control motor-driven valve stable circulation media, when mould 11 or machinery requirement improve temperature, namely heater 17 starts action, and mould 11 or machine temperature are increased to required temperature, and when temperature arrives, heater 17 stops action.When mould or machine temperature too high or need reduce temperature time, namely electric three passes temperature control valve (TCV) 15 and cooling electric magnet valve 20 come into operation, by PID control and regulation, the temperature of mould or machine is reduced to required temperature, die heater is exactly the mode utilizing low-temperature heat High-temperature cooling, mould or machine temperature is controlled within a stable temperature.
The above embodiments are merely illustrative and not limiting to the invention, and the above is only preferred embodiment of the present invention, therefore all equivalences done according to the scheme described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (6)
1. Low-temperature mold temperature controller, be made up of pipe-line system and electrical apparatus control system, it is characterized in that: described pipe-line system comprises major cycle water loop, refrigerant feeding pipe system, refrigerant loop and cooling discharge pipe system, pressure P ID regulating system, temperature PID control system and discharge pipe line, described electrical apparatus control system is made up of Master control chip, pressure controller and temperature controller, described major cycle water loop arranges electronic two-way pressure-regulating valve, arranges electric three passes temperature control valve (TCV) between described refrigerant feeding pipe system and major cycle water loop; Described major cycle water loop also comprises circulating pump, superpressure switch, pressure probe, temp probe and heater; described electronic two-way pressure-regulating valve one end is connected with described circulating pump; the other end is connected with described heater; heater is also connected with overtemperature protection device; described electronic two-way pressure-regulating valve is electrically connected with described pressure probe by electronic two-way pressure-regulating valve locator, and described pressure probe and electronic two-way pressure-regulating valve locator are electrically connected with pressure controller respectively.
2. Low-temperature mold temperature controller according to claim 1, is characterized in that: described major cycle water loop is also provided with Pressure gauge, check valve and ball valve.
3. Low-temperature mold temperature controller according to claim 1, it is characterized in that: described electric three passes temperature control valve (TCV) is electrically connected with temp probe by electric three passes temperature control valve (TCV) locator, and described electric three passes temperature control valve (TCV) locator is electrically connected with temperature controller.
4. Low-temperature mold temperature controller according to claim 3, it is characterized in that: described Master control chip is connected with pressure controller and temperature controller, and being connected to control button system, pressure controller and temperature controller are connected respectively electronic two-way pressure-regulating valve locator and electric three passes temperature control valve (TCV) locator.
5. Low-temperature mold temperature controller according to claim 1, it is characterized in that: described refrigerant feeding pipe system includes frozen water machine, " Y " type filter, low tension switch, Pressure gauge, gate valve and magnetic valve, is also provided with heat exchanger between refrigerant feeding pipe system and major cycle water loop.
6. Low-temperature mold temperature controller according to claim 1, is characterized in that: described discharge pipe line includes magnetic valve, check valve and ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210430232.1A CN102886882B (en) | 2012-11-01 | 2012-11-01 | Low-temperature mold temperature controller |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210430232.1A CN102886882B (en) | 2012-11-01 | 2012-11-01 | Low-temperature mold temperature controller |
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| CN102886882A CN102886882A (en) | 2013-01-23 |
| CN102886882B true CN102886882B (en) | 2015-06-17 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103407138B (en) * | 2013-07-12 | 2016-02-24 | 信易电热机械有限公司 | A kind of reverse drainage system of die temperature controller and method thereof |
| CN106493926B (en) * | 2016-12-08 | 2019-07-16 | 川田机械制造(上海)有限公司 | The control method that die heater and its realization boost pressure and temperature match |
| CN111002551B (en) * | 2020-01-07 | 2021-10-19 | 东莞市美赛特自动化设备有限公司 | Special high accuracy mould temperature controller of optical lens |
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| CN1654185A (en) * | 2004-02-12 | 2005-08-17 | 三菱重工业株式会社 | Apparatus and method for mold temperature adjustment, and mold temperature control unit |
| CN1932255A (en) * | 2006-09-29 | 2007-03-21 | 中国船舶重工集团公司第七一一研究所 | Diesel engine side electric control modular cooling system |
| CN201626095U (en) * | 2010-04-08 | 2010-11-10 | 川田机械制造(上海)有限公司 | Indirect cooling die heater |
| CN202439199U (en) * | 2012-02-15 | 2012-09-19 | 苏州纬吉精机有限公司 | Step temperature control oil type mold temperature controller |
| CN202965130U (en) * | 2012-11-01 | 2013-06-05 | 东莞市艾科朗思机械设备有限公司 | Low-temperature type mould temperature machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62261412A (en) * | 1986-05-09 | 1987-11-13 | Nissan Motor Co Ltd | Control of mold temperature |
| DE10329494B3 (en) * | 2003-06-30 | 2004-07-01 | Technotrans Ag | Tempering unit for injection moulding tools, comprises a circulating inner tempering agent circuit, a heating circuit, connection lines and a control valve |
| JP5250223B2 (en) * | 2007-08-20 | 2013-07-31 | 三菱重工プラスチックテクノロジー株式会社 | Temperature control method and temperature control device for molding die |
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2012
- 2012-11-01 CN CN201210430232.1A patent/CN102886882B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1654185A (en) * | 2004-02-12 | 2005-08-17 | 三菱重工业株式会社 | Apparatus and method for mold temperature adjustment, and mold temperature control unit |
| CN1932255A (en) * | 2006-09-29 | 2007-03-21 | 中国船舶重工集团公司第七一一研究所 | Diesel engine side electric control modular cooling system |
| CN201626095U (en) * | 2010-04-08 | 2010-11-10 | 川田机械制造(上海)有限公司 | Indirect cooling die heater |
| CN202439199U (en) * | 2012-02-15 | 2012-09-19 | 苏州纬吉精机有限公司 | Step temperature control oil type mold temperature controller |
| CN202965130U (en) * | 2012-11-01 | 2013-06-05 | 东莞市艾科朗思机械设备有限公司 | Low-temperature type mould temperature machine |
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