CN102886882A - Low-temperature mold temperature controller - Google Patents
Low-temperature mold temperature controller Download PDFInfo
- Publication number
- CN102886882A CN102886882A CN2012104302321A CN201210430232A CN102886882A CN 102886882 A CN102886882 A CN 102886882A CN 2012104302321 A CN2012104302321 A CN 2012104302321A CN 201210430232 A CN201210430232 A CN 201210430232A CN 102886882 A CN102886882 A CN 102886882A
- Authority
- CN
- China
- Prior art keywords
- temperature
- pressure
- valve
- controller
- water loop
- 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.)
- Granted
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
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 form die heater.
?
Background technology
Mould temperature controller is called for short die heater, is divided into water circulation and oily circulating, mainly is the temperature control for general mould and machinery, keeps optimum state to guarantee quality of finished when making goods in moulding within certain temperature.Unequal or unsuitable mold temperature can cause casting dimension unstable, ejects in process of production casting deformation, produces the defectives such as thermal pressure, glutinous mould, surperficial depression, internal shrinkage and thermal.Production cycle is also exerted an influence, all produce unsettled parameter such as filling time, cool time and spray time.The life-span of mould also can cause expensive steel to produce hot tearing because being cold overheated impact, accelerates it and wears out.
Conventional die heater temperature control scope is generally at 50-300 ℃, the low mold temperature (18-45 ℃) of needs in the time of can not satisfying some plastic cement products moulding.Conventional die heater temperature-controlled process is by Die temperature control equipment cooling fluid or heating fluid to be flowed into the control that realizes temperature in the mould by runner.Such method is simple, but exists more problem, and for example the adjusting of the detection of temperature and temperature can not be synchronous, the deficiency of motor regulated valve, and the heat-exchange capacity deficiency causes temperature to descend timely or to raise.Liquid flows in pipeline in the die heater of routine, and pressure and flow can not get effective control, has caused thermoregulator unstablely, and life-span and the quality of mould impact.Moreover the drainage system of conventional die heater is perfect not, causes residual liquid to leave within the pipeline, has accelerated 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 form die heater is provided, this die heater is effectively controlled water temperature, pressure, circulation media operations pressure and circular flow have been stablized, indirectly stablize the purpose of having controlled mold temperature, and the automaticity height is easy and simple to handle, makes mould temperature stabilization control range between 18-45 ℃.
Technical scheme of the present invention is:
The low form die heater, comprise pipe-line system and electrical apparatus control system, described pipe-line system comprises major cycle water loop, refrigerant feeding pipe system, refrigerant returns and cool off 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 form, described major cycle water loop arranges electronic two-way pressure-regulating valve, between described refrigerant feeding pipe system and the major cycle water loop electric three passes temperature control valve (TCV) is set.
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; also be connected with overtemperature protection device on the heater; 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.
Also be provided with Pressure gauge, check valve and ball valve in the described major cycle water loop.
Described electric three passes temperature control valve (TCV) is electrically connected with temp probe by electric three passes adjustment valve positioner, and described electric three passes adjustment valve positioner is electrically connected with temperature controller.
Described refrigerant feeding pipe system includes frozen water machine, " Y " type filter, low tension switch and magnetic valve, also is 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 in the control button system, and pressure controller and temperature controller are connected respectively electronic two-way pressure-regulating valve locator and electric three passes adjustment valve positioner.
Beneficial effect of the present invention is: electronic two-way pressure-regulating valve obtains the information feedback of pressure probe, pressure and flow thereof in the timely bidirectional modulation circulation, guaranteed the stability of liquid flow in the circulation, electric three-way regulating valves obtains the information feedback of temp probe, the thermoregulator mode of selection that can be promptly and accurately, guarantee the adjusting of temperature and the temperature of temperature, larger heat exchanger can be good at hot-swap feature, the fast liter of having guaranteed temperature falls soon, drain function passes through magnetic valve, ball valve, unidirectional when the collaborative adjusting of check valve has guaranteed draining, the device for transferring of stable and uniform, control simultaneously temperature range, do not cause deformation of products or the unsettled defective of product because reaching lower mold temperature control when remedying some plastic cement products moulding.
Description of drawings
Fig. 1 die heater pipeline structure schematic diagram.
Fig. 2 die heater line construction schematic diagram.
Shown in the 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 adjustment valve positioner 30; the control button system
The specific embodiment
With reference to figure 1 and Fig. 2, the low form die heater, comprise pipe-line system and electrical apparatus control system, described pipe-line system comprises major cycle water loop, refrigerant feeding pipe system, refrigerant returns and cool off 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 form, described major cycle water loop arranges electronic two-way pressure-regulating valve 1, between described refrigerant feeding pipe system and the major cycle water loop electric three passes temperature control valve (TCV) 15 is set.Pressure P ID regulating system is the PID regulating system of systemic circulation media pressure stability, stable circulation matchmaker's flow.Temperature PID control system is mainly returned feedback circulation matchmaker Current Temperatures by the constantly monitoring of popping one's head in, and carry out logic with design temperature and compare, with the aperture of PID output control mode adjusting control valve door and the frequency of cooling valve discharging heating agent and coolant adding, thereby reach the purpose of stablizing 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 ends are connected with described circulating pump 2; the other end is connected with described heater 17; also be connected with overtemperature protection device 24 on the heater 17; 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.Also be provided with Pressure gauge 7, check valve 6 and ball valve in the described major cycle water loop.Liquid flowed during circulating pump 2 drove and circulates, whether normal through superpressure switch 3 detection system operating pressures, record pressure feedback in electronic two-way pressure-regulating valve 1 through pressure probe 4 again, regulate water flow pressure and measure temperature by excess temperature probe 5, flow in the mould after entering Pressure gauge 7 to record force value through check valve 6 is unidirectional.Heater 17 provides thermal source, when in the heater when the amount of liquid deficiency overtemperature protection device 24 can protect heater 17 can not 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 adjustment valve positioner, and described electric three passes adjustment valve positioner 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, also is provided with heat exchanger 19 between refrigerant feeding pipe system and major cycle water loop.Liquid is sent behind the laggard entry loop Pressure gauge 12 and temp probe 13 from mould and is measured pressure and temperature, under the adjusting of electric three passes temperature control valve (TCV) 15, stablize or change fast fluid temperature, or send into heat exchanger 19 and cool off, or send into heater 17 and continue heating, frozen water machine 23 provides refrigerant to come chilling temperature, and when insufficient pressure low tension switch 18 and magnetic valve 20 Collaborative Control fluid flow steady pressures.When needs use cold water, electric three-way regulating valves 15 will control frozen water and directly send into circulating pump 2 and circulate and enter mould 11.
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 is finished, be filled with compressed air from discharge pipe line by magnetic valve 10 controls this moment, determines that because of check valve 9 drainage direction prevents that liquid countercurrent from entering compressed air piping again.
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 in 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 adjustment valve positioner 29.After Master control chip 25 is received pseudoinstruction in the control button system 30 after passing into power supply, programme-control pressure controller 27 and temperature controller 26 that operation sets, and then control corresponding locator.Having main control chip 25 also to be responsible for each switch of whole system and corresponding circuits passes into and disconnects again.
Start die heater, circuit control system is regulated program cycle, so that circulating pump 2 comes into operation immediately, circulating pressure and flow thereof by pressure control motor-driven valve stable circulation media, when mould 11 or machinery requirement raising temperature, heater 17 namely begins action, and mould 11 or machine temperature are increased to needed temperature, and heater 17 stops action when temperature arrives.When mould or machine temperature is too high when maybe needing to reduce temperature, electric three passes temperature control valve (TCV) 15 and cooling electric magnet valve 20 namely come into operation, the temperature that controls to adjust mould or machine by PID is reduced to needed temperature, die heater is exactly the mode of utilizing the low-temperature heat High-temperature cooling, and mould or machine temperature are controlled within the stable temperature.
The above embodiments just are explanation rather than restriction the present invention, and the above only is preferred embodiment of the present invention, so all equivalences of doing according to the described scheme of patent claim of the present invention change or modify, are included in the patent claim of the present invention.
Claims (7)
1. low form die heater, formed by 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 returns and cool off 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 form, described major cycle water loop arranges electronic two-way pressure-regulating valve, between described refrigerant feeding pipe system and the major cycle water loop electric three passes temperature control valve (TCV) is set.
2. low form die heater according to claim 1; it is characterized in that: described major cycle water loop also comprises circulating pump; the 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; also be connected with overtemperature protection device on the heater; 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.
3. low form die heater according to claim 2 is characterized in that: also be provided with Pressure gauge, check valve and ball valve in the described major cycle water loop.
4. low form die heater 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 adjustment valve positioner, and described electric three passes adjustment valve positioner is electrically connected with temperature controller.
5. low form die heater 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, also is provided with heat exchanger between refrigerant feeding pipe system and major cycle water loop.
6. low form die heater according to claim 1, it is characterized in that: described discharge pipe line includes magnetic valve, check valve and ball valve.
7. according to claim 1 and 2 or 4 described low form die heaters, it is characterized in that: described Master control chip is connected with pressure controller and temperature controller, and being connected in the control button system, pressure controller and temperature controller are connected respectively electronic two-way pressure-regulating valve locator and electric three passes adjustment valve positioner.
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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210430232.1A CN102886882B (en) | 2012-11-01 | 2012-11-01 | Low-temperature mold temperature controller |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102886882A true CN102886882A (en) | 2013-01-23 |
| CN102886882B CN102886882B (en) | 2015-06-17 |
Family
ID=47530661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210430232.1A Expired - Fee Related CN102886882B (en) | 2012-11-01 | 2012-11-01 | Low-temperature mold temperature controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102886882B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407138A (en) * | 2013-07-12 | 2013-11-27 | 信易电热机械有限公司 | Reversal drainage system and method of mold temperature controller |
| CN106493926A (en) * | 2016-12-08 | 2017-03-15 | 川田机械制造(上海)有限公司 | New die heater and its realize control method that boost pressure and temperature match |
| CN111002551A (en) * | 2020-01-07 | 2020-04-14 | 东莞市美赛特自动化设备有限公司 | Special high accuracy mould temperature controller of optical lens |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62261412A (en) * | 1986-05-09 | 1987-11-13 | Nissan Motor Co Ltd | Control of mold temperature |
| JP2005022412A (en) * | 2003-06-30 | 2005-01-27 | Technotrans Ag | Temperature control device for injection mold |
| 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 |
| JP2009045814A (en) * | 2007-08-20 | 2009-03-05 | Mitsubishi Heavy Industries Plastic Technology Co Ltd | Method of temperature control of molding mold and temperature controller |
| 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 |
-
2012
- 2012-11-01 CN CN201210430232.1A patent/CN102886882B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62261412A (en) * | 1986-05-09 | 1987-11-13 | Nissan Motor Co Ltd | Control of mold temperature |
| JP2005022412A (en) * | 2003-06-30 | 2005-01-27 | Technotrans Ag | Temperature control device for injection mold |
| 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 |
| JP2009045814A (en) * | 2007-08-20 | 2009-03-05 | Mitsubishi Heavy Industries Plastic Technology Co Ltd | Method of temperature control of molding mold and temperature controller |
| 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 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407138A (en) * | 2013-07-12 | 2013-11-27 | 信易电热机械有限公司 | Reversal drainage system and method of mold temperature controller |
| 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 |
| CN106493926A (en) * | 2016-12-08 | 2017-03-15 | 川田机械制造(上海)有限公司 | New die heater and its realize control method that boost pressure and temperature match |
| 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 |
| CN111002551A (en) * | 2020-01-07 | 2020-04-14 | 东莞市美赛特自动化设备有限公司 | Special high accuracy mould temperature controller of optical lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102886882B (en) | 2015-06-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203292459U (en) | Die-casting mold constant-temperature system | |
| CN202895646U (en) | Flow type oil mould temperature controller | |
| CN103240852A (en) | Injection moulding multi-period on-line mold temperature control method and special equipment for method | |
| CN102886882B (en) | Low-temperature mold temperature controller | |
| CN102189240A (en) | Method and device for controlling mold temperature of die casting mold | |
| CN202965130U (en) | Low-temperature type mould temperature machine | |
| US9662828B2 (en) | Apparatus for controlling a tempering device of a blow-molding machine and method for controlling a tempering device of a blow-molding machine | |
| CN103981349A (en) | Cooling water circulation system of thermal forming production line for automobile | |
| CN202224628U (en) | Point cooling unit for die casting mould | |
| CN203427294U (en) | Water temperature control device of plastic mold | |
| CN104129015B (en) | A kind of cold die heater of self-circulating wind | |
| CN205601113U (en) | Shaping auxiliary system of injection moulding mould | |
| CN105790028A (en) | Bus making cooling device | |
| CN106313464A (en) | Intelligent temperature control device for injection molding machine | |
| CN203427295U (en) | Temperature controlling device of plastic mold | |
| CN104129014B (en) | A kind of cold die heater of self-circulating water | |
| CN204413116U (en) | A kind of water type die heater | |
| CN103294084B (en) | Energy-saving temperature controller applied to thermostat | |
| CN204309219U (en) | A kind of die heater | |
| CN113771318A (en) | Rapid cooling and constant temperature intelligent control equipment for injection mold and working method thereof | |
| CN105658390A (en) | Molding machine | |
| JP4994916B2 (en) | Injection molding machine and injection molding method | |
| CN203141310U (en) | Low-temperature nitrogen supplying system for use in low-temperature processing | |
| CN204054422U (en) | A kind of self-loopa water-cooled die heater | |
| CN203752464U (en) | Water circulation mold temperature controller |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20181101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |