CN202965130U - Low-temperature type mould temperature machine - Google Patents
Low-temperature type mould temperature machine Download PDFInfo
- Publication number
- CN202965130U CN202965130U CN 201220570459 CN201220570459U CN202965130U CN 202965130 U CN202965130 U CN 202965130U CN 201220570459 CN201220570459 CN 201220570459 CN 201220570459 U CN201220570459 U CN 201220570459U CN 202965130 U CN202965130 U CN 202965130U
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- temperature
- pressure
- valve
- water loop
- controller
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Abstract
The utility model discloses a low-temperature type mould temperature machine, and relates to the technical field of temperature control. The low-temperature type mould temperature machine comprises a pipeline system and an electrical apparatus control system, wherein the pipeline system comprises a main circulating water loop, a refrigerant supply pipeline system, a refrigerant return, cooling and drainage pipeline system, a pressure PID (proportional integral differential) adjustment system, a temperature PID control system, and a water drainage pipeline; the electrical apparatus control system is composed of a main control chip, a pressure controller and a temperature controller; the main circulating water loop is provided with an electrically-operated two-way pressure adjustment valve; and an electrically-operated three-way temperature adjustment valve is arranged between the refrigerant supply pipeline system and the main circulating water loop. The mould temperature machine is used for effectively controlling the water temperature and the pressure, thus stabilizing the running pressure and the circulating flow of a circulating medium, and achieving the purpose of indirectly stabilizing and controlling the temperature of the mould; and moreover, the mould temperature machine is high in automation degree, and simple and convenient to operate.
Description
Technical field
The utility model relates to temperature controller tool field, specifically a kind of low form die heater.
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Background technology
Mould temperature controller is called for short die heater, is divided into water circulation and oily circulating, is mainly to control for the temperature of 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 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 that it is aging.
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 mould by runner.Such method is simple, but exists more problem, and for example the detection of temperature can not be synchronizeed with the adjusting of temperature, 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 within residual liquid leaves over pipeline, has accelerated the aging speed of instrument and equipment.
The utility model content
The technical problems to be solved in the utility model 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 ℃.
The technical solution of the utility model 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 cooling 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 major cycle water loop, the 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 heater; described electronic two-way pressure-regulating valve is electrically connected to 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 to pressure controller respectively.
Also be provided with Pressure gauge, check valve and ball valve in described major cycle water loop.
Described electric three passes temperature control valve (TCV) is electrically connected to temp probe by electric three passes adjustment valve positioner, and described electric three passes adjustment valve positioner is electrically connected to temperature controller.
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.
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.
the beneficial effects of the utility model are: electronic two-way pressure-regulating valve obtains the information feedback of pressure probe, pressure and flow thereof in bidirectional modulation circulation timely, 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 making up 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 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 cooling 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 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 relatively with design temperature, 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 heater 17; described electronic two-way pressure-regulating valve 1 is electrically connected to 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 to pressure controller respectively.Also be provided with Pressure gauge 7, check valve 6 and ball valve in described major cycle water loop.During circulating pump 2 drives and circulates, liquid flows, 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 mould after entering Pressure gauge 7 to record force value through check valve 6 is unidirectional.Heater 17 provides thermal source, when in 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 to temp probe 16 by electric three passes adjustment valve positioner, and described electric three passes adjustment valve positioner is electrically connected to 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 after laggard entry loop Pressure gauge 12 and temp probe 13 from mould and is measured pressure and temperature, stablize or change fast fluid temperature under the adjusting of electric three passes temperature control valve (TCV) 15, or it is cooling to send into heat exchanger 19, 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 be controlled 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 completed, controlled by magnetic valve 10 from discharge pipe line and be filled with compressed air 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 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.Each switch and the corresponding circuits that have main control chip 25 also to be responsible for whole system pass into and disconnect again.
Start die heater, circuit control system is regulated program cycle, make circulating pump 2 immediately come into operation, control circulating pressure and the flow thereof of motor-driven valve stable circulation media by pressure, 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, within mould or machine temperature are controlled at a stable temperature.
The above embodiments just are explanation rather than restriction the utility model, the above is only preferred embodiment of the present utility model, therefore all equivalences of doing according to the described scheme of the utility model patent claim change or modify, and are included in the utility model patent claim.
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 cooling 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 major cycle water loop, the 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 heater, described electronic two-way pressure-regulating valve is electrically connected to 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 to 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 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 to temp probe by electric three passes adjustment valve positioner, and described electric three passes adjustment valve positioner is electrically connected to 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 |
|---|---|---|---|
| CN 201220570459 CN202965130U (en) | 2012-11-01 | 2012-11-01 | Low-temperature type mould temperature machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220570459 CN202965130U (en) | 2012-11-01 | 2012-11-01 | Low-temperature type mould temperature machine |
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| Publication Number | Publication Date |
|---|---|
| CN202965130U true CN202965130U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220570459 Withdrawn - After Issue CN202965130U (en) | 2012-11-01 | 2012-11-01 | Low-temperature type mould temperature machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN202965130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886882A (en) * | 2012-11-01 | 2013-01-23 | 东莞市艾科朗思机械设备有限公司 | Low-temperature mold temperature controller |
| CN111231180A (en) * | 2018-11-29 | 2020-06-05 | 深圳市富能新能源科技有限公司 | Mould temperature controller |
-
2012
- 2012-11-01 CN CN 201220570459 patent/CN202965130U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886882A (en) * | 2012-11-01 | 2013-01-23 | 东莞市艾科朗思机械设备有限公司 | Low-temperature mold temperature controller |
| CN102886882B (en) * | 2012-11-01 | 2015-06-17 | 东莞市艾科朗思机械设备有限公司 | Low-temperature mold temperature controller |
| CN111231180A (en) * | 2018-11-29 | 2020-06-05 | 深圳市富能新能源科技有限公司 | Mould temperature controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130605 Effective date of abandoning: 20150617 |
|
| RGAV | Abandon patent right to avoid regrant |