CN105082489A - Temperature control system - Google Patents
Temperature control system Download PDFInfo
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- CN105082489A CN105082489A CN201410200821.XA CN201410200821A CN105082489A CN 105082489 A CN105082489 A CN 105082489A CN 201410200821 A CN201410200821 A CN 201410200821A CN 105082489 A CN105082489 A CN 105082489A
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- temperature
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Abstract
The invention discloses a temperature control system. The temperature control system comprises a detection unit, a temperature control module, an inlet pipeline and an outlet pipeline. The detection unit is arranged in a mould and used for detecting the temperature inside the mould. The temperature control module comprises a storage unit and a control unit, wherein the storage unit stores the maximum temperature value and the length of duration time. The inlet pipeline is provided with an inlet valve, and the inlet valve is connected with the control unit to control the entrance of steam or cooling water. The outlet pipeline is provided with an outlet valve, and the outlet valve is connected with the control unit to control the steam or cooling water to flow out. When the temperature, obtained by the detection unit, inside the mould reaches the maximum temperature value stored in the storage unit, the control unit controls the inlet valve to be closed and the outlet valve to be opened, and then the constant-temperature period begins and lasts for the length of duration time. Accordingly, the situation that the crystallization velocity of crystalline materials is lowered when the temperature is too high is avoided, the formation period is shortened, and energy is saved.
Description
[technical field]
The invention relates to a kind of temperature control system, relate to a kind of temperature control system be applied in fast heating and cooling forming technology especially.
[background technology]
RHCM (RapidHeatCycleMolding): high-speed and high-temperature forming technique, it is a kind of Fast Heating cooling forming technology.Add GF in the plastic, produce the shell with reflecting effect, RHCM can solve the product problems such as common shaping insoluble joint line, current mark.
RHCM principle: by the heat distortion temperature of mold cavity surface heating to plastics, then injected plastic, in injection moulding process, the temperature of mould remains unchanged, after the temperature of mould drop to taking-up product gradually, next injection treatment starts, and die surface heats rapidly, and mold temperature raises and reduces all very fast.Utilize steam and water interactive controlling be used in can be good in injection mo(u)lding replicated product outward appearance, and obtain high-quality appearance member product.
The time dependent curve synoptic diagram of temperature of the fast heating and cooling forming technology into prior art is illustrated referring again to Fig. 1, Fig. 1.As shown in the figure, existing fast heating and cooling forming temperature controls as sine curve, when temperature reaches required forming temperature value, still can continuous heating, and heating direct is to reaching sinusoidal peak value, and such temperature can be very high.
Existing mode of heating comprises temperature rise period and holding stage, and simultaneously the temperature rise period route pipeline of mould and outlet pipeline is opened, and continues to pass into steam in mould; And holding stage is entered when temperature reaches about 100 DEG C, now stay open route pipeline and continue to pass into steam, closing outlet pipeline, reaching temperature required to make mould.
For crystalline material (being such as PA, PPS), need to complete its crystallization in forming process, otherwise post crystallization easily can be caused to produce buckling deformation due to each several part crystallization degree difference after die sinking, and the fastest crystallization rate of correspondence can have a best crystallization temperature, after exceeding this best crystallization temperature, crystallization rate can decline on the contrary.
If temperature controls, for sine curve as shown in Figure 1, after temperature exceedes best crystallization temperature, to continue the part of heat temperature raising, can cause energy waste, meanwhile, also molding cycle can be extended because the too high crystallization rate of temperature declines.
In view of this, the present invention proposes a kind of temperature control system being applied to fast heating and cooling forming technology, can reach and control the temperature in fast heating and cooling forming technology forming process, to solve, crystalline material heating-up temperature is too high to waste energy and problem that molding cycle is long.
[summary of the invention]
The object of this invention is to provide a kind of temperature control system of fast heating and cooling forming technology, the temperature can reached in fast heating and cooling forming technology forming process controls, avoid temperature too high crystalline material rapid crystallization shaping, and then waste energy and extend the problem of molding cycle.
According to object of the present invention, propose a kind of temperature control system, it is applied to the temperature controlling mould in fast heating and cooling forming technology, and this temperature control system comprises:
Detecting unit, to be located in described mould and for detecting the temperature in mould;
Temperature control module, it comprises memory cell and control unit, described control unit is connected with described detecting unit and described memory cell respectively, and described memory cell stores maximum temperature values and time duration, and described time duration is for reaching duration after maximum temperature;
Route pipeline, it is connected with described mould, and described route pipeline has route valve, and described route valve is connected with described control unit, and control steam or cooling water enter described mould;
Outlet pipeline, it is connected with described mould, and described outlet pipeline has outlet valve, and described outlet valve is connected with described control unit, controls steam or cooling water flow out of described mould;
Wherein, when temperature in the described mould that described control unit is obtained by described detecting unit reaches the maximum temperature values of memory cell storage, control described route valve closing, outlet valve open enters the constant temperature stage and be retained to described time duration.
Optionally, when described control unit knows that in described mould, temperature reaches described maximum temperature values and after described time duration, controls described route valve open, and pass into cooling water described mould is cooled.
Optionally, described route valve is control valve, and described outlet valve is control valve or non-return valve.
Optionally, described maximum temperature values be crystalline material shaping speed the fastest time best crystallization temperature.
Optionally, described time duration is crystallization required time under described best crystallization temperature.
Optionally, described fast heating and cooling forming technology is RHCM technology.
Compared to prior art, the temperature control system being applied to fast heating and cooling forming technology of the present invention, can reach and the temperature in fast heating and cooling forming technology forming process is controlled, due to when in mould, temperature reaches described maximum temperature values, close outlet valve described in described route valve open and enter the constant temperature stage, avoiding temperature too high crystalline material crystallization rate slack-off, shorten molding cycle, reach excessive temperature without the need to heating simultaneously, a part of energy can be saved.
For having further understanding to object of the present invention, structural feature and function thereof, accompanying drawing is hereby coordinated to be described in detail as follows:
[accompanying drawing explanation]
Fig. 1 illustrates the time dependent curve synoptic diagram of temperature of the fast heating and cooling forming technology into prior art.
Fig. 2 illustrates as temperature control system one preferred embodiment structural representation of the present invention.
Fig. 3 illustrates the time dependent curve synoptic diagram of temperature in the mould for applying temperature control system of the present invention.
[detailed description of the invention]
Refer to Fig. 2, Fig. 2 illustrates the structural representation into temperature control system one of the present invention preferred embodiment.
The invention provides a kind of temperature control system, it is applied to the temperature controlling mould 10 in fast heating and cooling forming technology, and this temperature control system comprises:
Detecting unit 11, to be located in described mould 10 and for detecting the temperature in mould 10;
Temperature control module 20, it comprises memory cell 21 and control unit 22, described control unit 22 is connected with described detecting unit 11 and described memory cell 21 respectively, described memory cell 21 stores maximum temperature values and time duration, and described time duration is for reaching duration after maximum temperature;
Route pipeline 30, it is connected with described mould 10, and described route pipeline 30 has route valve 31, and described route valve 31 is connected with described control unit 22, and control steam or cooling water enter described mould 10;
Outlet pipeline 40, it is connected with described mould 10, and described outlet pipeline 40 has outlet valve 41, and described outlet valve 41 is connected with described control unit 22, controls steam or cooling water flow out of described mould 10;
Wherein, when temperature in the described mould 10 that described control unit 22 is obtained by described detecting unit 11 reaches the maximum temperature values stored in memory cell 21, control that described route valve 31 is closed, outlet valve 41 is opened and entered the constant temperature stage and be retained to described time duration.
Wherein, when described control unit 22 knows that in described mould 10, temperature reaches described maximum temperature values and after described time duration, controls described route valve 31 and open, and pass into cooling water described mould 10 is cooled.
Wherein, described route valve 31 can be control valve, and described outlet valve 41 can be control valve or non-return valve.
Wherein, described maximum temperature values can be crystalline material (such as PA, PPS) shaping speed the fastest time best crystallization temperature.
Wherein, described time duration is crystallization required time under described best crystallization temperature.
Wherein, described fast heating and cooling forming technology can be RHCM technology.
Referring again to the time dependent curve synoptic diagram of temperature in the mould that Fig. 3, Fig. 3 illustrate as applying temperature control system of the present invention.
The temperature control system being applied to fast heating and cooling forming technology of the present invention, can reach and the temperature in fast heating and cooling forming technology forming process is controlled, due to when in mould 10, temperature reaches described maximum temperature values, close described route valve 31 open described outlet valve 41 and enter the constant temperature stage, avoid temperature too high crystalline material crystallization rate slack-off, shorten molding cycle, reach excessive temperature without the need to heating simultaneously, a part of energy can be saved.
It is noted that the invention is not restricted to above-mentioned embodiment, any simple modification that any those skilled in the art do above-described embodiment based on technical solution of the present invention, equivalent variations and modification, all fall within the scope of protection of the present invention.
Claims (6)
1. a temperature control system, it is applied to the temperature controlling mould in fast heating and cooling forming technology, it is characterized in that, this temperature control system comprises:
Detecting unit, to be located in described mould and for detecting the temperature in mould;
Temperature control module, it comprises memory cell and control unit, described control unit is connected with described detecting unit and described memory cell respectively, and described memory cell stores maximum temperature values and time duration, and described time duration is for reaching duration after maximum temperature;
Route pipeline, it is connected with described mould, and described route pipeline has route valve, and described route valve is connected with described control unit, and control steam or cooling water enter described mould;
Outlet pipeline, it is connected with described mould, and described outlet pipeline has outlet valve, and described outlet valve is connected with described control unit, controls steam or cooling water flow out of described mould;
Wherein, when temperature in the described mould that described control unit is obtained by described detecting unit reaches the maximum temperature values of memory cell storage, control described route valve closing, outlet valve open enters the constant temperature stage and be retained to described time duration.
2. temperature control system as claimed in claim 1, it is characterized in that, when described control unit knows that in described mould, temperature reaches described maximum temperature values and after described time duration, controls described route valve open, and pass into cooling water described mould is cooled.
3. temperature control system as claimed in claim 1 or 2, it is characterized in that, described route valve is control valve, and described outlet valve is control valve or non-return valve.
4. temperature control system as claimed in claim 1 or 2, is characterized in that, described maximum temperature values be crystalline material shaping speed the fastest time best crystallization temperature.
5. temperature control system as claimed in claim 4, it is characterized in that, described time duration is crystallization required time under described best crystallization temperature.
6. temperature control system as claimed in claim 1, it is characterized in that, described fast heating and cooling forming technology is RHCM technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410200821.XA CN105082489A (en) | 2014-05-13 | 2014-05-13 | Temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410200821.XA CN105082489A (en) | 2014-05-13 | 2014-05-13 | Temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105082489A true CN105082489A (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410200821.XA Pending CN105082489A (en) | 2014-05-13 | 2014-05-13 | Temperature control system |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201120709Y (en) * | 2007-11-02 | 2008-09-24 | 山东大学 | Temperature controller for highlight non-weld mark plastic mold |
| CN201261255Y (en) * | 2008-04-02 | 2009-06-24 | 王琮怀 | Temperature control system for plastic injection molding |
| CN101480821A (en) * | 2009-01-20 | 2009-07-15 | 北京中拓机械有限责任公司 | Control method and device for quick change of mold temperature |
| CN202668934U (en) * | 2012-07-16 | 2013-01-16 | 青岛海信模具有限公司 | Specular mould and temperature control system thereof |
-
2014
- 2014-05-13 CN CN201410200821.XA patent/CN105082489A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201120709Y (en) * | 2007-11-02 | 2008-09-24 | 山东大学 | Temperature controller for highlight non-weld mark plastic mold |
| CN201261255Y (en) * | 2008-04-02 | 2009-06-24 | 王琮怀 | Temperature control system for plastic injection molding |
| CN101480821A (en) * | 2009-01-20 | 2009-07-15 | 北京中拓机械有限责任公司 | Control method and device for quick change of mold temperature |
| CN202668934U (en) * | 2012-07-16 | 2013-01-16 | 青岛海信模具有限公司 | Specular mould and temperature control system thereof |
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Application publication date: 20151125 |
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