CN203305489U - Mould temperature control system - Google Patents
Mould temperature control system Download PDFInfo
- Publication number
- CN203305489U CN203305489U CN2013203818408U CN201320381840U CN203305489U CN 203305489 U CN203305489 U CN 203305489U CN 2013203818408 U CN2013203818408 U CN 2013203818408U CN 201320381840 U CN201320381840 U CN 201320381840U CN 203305489 U CN203305489 U CN 203305489U
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- Prior art keywords
- temperature
- heating tube
- heating
- multichannel
- mould
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- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
Abstract
The utility model provides a plastic mould temperature control system which belongs to the technical field of moulds and is used for solving the problem of a non-uniform temperature field of an existing mould. The mould temperature control system is arranged on a heating circuit of heating pipes and comprises a power supply for supplying power, multiple temperature detection devices for detecting temperature, one or more than one temperature collector connected with the temperature detection devices, and a multi-channel temperature controller connected with the temperature collector and multiple heating pipes and used for controlling the heating temperature of the heating pipes; and each heating pipe corresponds to at least two temperature detection devices. The mould temperature control system provided by the utility model realizes quick and uniform heating of a mould.
Description
Technical field
The utility model belongs to technical field of mold, relates to the mould of plastics temperature control system.
Background technology
Heat-conducting plate is the indispensable part on injection molding, and its role is to keep good hot melt shape to plastics or rubber-heating, thereby produces high-quality plastics or rubber.
Heating tube normally is set at present in heat-conducting plate, heating tube can be electrothermal tube, also can pass through the thermal medium pipe of the heating such as water, oil, vapour etc.After to heating tube, heating, heat-conducting plate is heated up, but in reality because the thermal conductivity of each position of heating plate is not identical, the position distribution of heating tube and heating plate run off and cause the temperature difference of each position of die cavity to the heat of mold heated process, cause the plastic melt in die cavity to be heated inhomogeneous, thereby the various defects that cause goods, goods localized burn for example, buckling deformation etc.
Summary of the invention
The purpose of this utility model is the problems referred to above for existing injection molding, a kind of mould of plastics temperature control system is provided, this control system and control method can make each position thermally equivalent of moving platen and solid plate, and allow the mold cavity surface reach fast thermal balance.
The purpose of this utility model can realize by following technical proposal:
A kind of mould of plastics temperature control system, described mould comprises moving platen and solid plate, between described moving platen and solid plate, be provided with the die cavity for molding plastic part, and on described moving platen and solid plate, be respectively equipped with some heating tubes, described mould of plastics temperature control system is arranged on the heater circuit of heating tube, it is characterized in that, this system comprises the power supply for power supply, several temperature-detecting devices for detection of temperature, the temperature sensor that one or more connect with temperature-detecting device, and connect for controlling the multichannel temperature controller of heating tube heating-up temperature with temperature sensor and some heating tubes, described every heating tube is at least two temperature-detecting devices should be arranged, and described heating tube, temperature-detecting device, temperature sensor, multichannel temperature controller link with power supply respectively.
Some heating tubes in the utility model adopt and are arranged in parallel when electrically connecting.Every heating tube correspondence is provided with at least two temperature-detecting devices, heating tube temperature and mould-cavity temperature during to mold heated for detection of heating tube; Temperature sensor gathers the temperature that each temperature-detecting device detects and signal is passed to the multichannel temperature controller next Cyclical power value of heating tube is carried out to Fuzzy Calculation, then the performance number of each heating tube is adjusted.
In above-mentioned a kind of mould of plastics temperature control system, be provided with hub between described temperature-detecting device and multichannel collecting instrument.
In above-mentioned a kind of mould of plastics temperature control system, be provided with power governor between described multichannel temperature controller and heating tube.Power governor is accepted next Cyclical power value that the multichannel temperature controller is sent, and every heating tube is carried out to independent control.
In above-mentioned a kind of mould of plastics temperature control system, described every heating tube be to there being two temperature-detecting devices, is respectively for detection of the temperature sensor one of heating tube temperature with for detection of the temperature sensor two of mould-cavity temperature.
In above-mentioned a kind of mould of plastics temperature control system, described temperature sensor is the multichannel temperature Acquisition Instrument, and described temperature sensor sends the signal of some temperature sensors one to the multichannel temperature controller value of averaging by some input ports one and corresponding output port one and calculates; Described temperature sensor sends the signal of some temperature sensors two to set on multichannel temperature controller and multichannel temperature controller demarcation temperature by some input ports two and corresponding output port two and compares respectively.This multichannel temperature Acquisition Instrument can gather, transmit the signal that a plurality of temperature sensors are passed on.
In above-mentioned a kind of mould of plastics temperature control system, described multichannel temperature controller is KS800 multichannel temperature controller.
A kind of mold temperature control method, is characterized in that, this control method comprises that following step is poly-:
(1) some heating tubes are set respectively on solid plate and moving platen, and the mould of plastics temperature control system is set on the heater circuit of heating tube;
(2) temperature sensor gathers the detected heating tube temperature T of several temperature sensors one
n, and calculate mean temperature by the multichannel temperature controller:
In formula: T
gFor the heating tube mean temperature, n is the quantity of the temperature sensor one that arranges on solid plate, T
nFor the detected heating tube temperature of temperature sensor one;
(3) the multichannel temperature controller is by mean temperature T
gWith the demarcation temperature T
mCompare, work as T
g<T
mThe time, the multichannel temperature controller is by the detected heating tube temperature T of temperature sensor one
nWith mean temperature T
gCompare, and the power ratio control adjuster is adjusted the heating power of heating tube:
(4) the multichannel temperature controller is by mean temperature T
gWith the demarcation temperature T
mCompare, work as T
g>=T
mThe time, the multichannel temperature controller stop temperature sensor collecting temperature sensor one temperature until next time matched moulds again trigger; Now temperature sensor gathers the detected mould-cavity temperature T of several temperature sensors two
c, the multichannel temperature controller is by the detected mould-cavity temperature T of temperature sensor two
cWith the demarcation temperature T
mCompare, and control the heating tube heating or close.
Described mold temperature control method, is characterized in that, in described step poly-(1): on described solid plate and moving platen, be respectively equipped with mould of plastics temperature control system independently.
Described mold temperature control method, is characterized in that, in step poly-(3): work as T
n>T
gThe time, multichannel temperature controller power ratio control adjuster reduces the heating power of corresponding heating tube; Work as T
n<T
gThe time, multichannel temperature controller power ratio control adjuster increases the heating power of corresponding heating tube.
Described mold temperature control method, is characterized in that, in step poly-(4): work as T
c<T
mThe time, multichannel temperature controller power ratio control adjuster increases the heating power of heating tube; Work as T
c>T
mThe time multichannel temperature controller power ratio control adjuster close heating tube.
Described mold temperature control method, is characterized in that, described demarcation temperature T
mHas ceiling temperature T
M1With lower limit temperature T
M2, work as T
g<T
M1The time, the heating tube continuous heating; Work as T
g>=T
M1The time, the multichannel temperature controller stop temperature sensor collecting temperature sensor one temperature until next time matched moulds again trigger, now temperature sensor gathers the detected mould-cavity temperature T of several temperature sensors two
c, the multichannel temperature controller is by the detected mould-cavity temperature T of temperature sensor two
cWith the demarcation temperature T
mCeiling temperature T
M1With lower limit temperature T
M2Compare, work as T
c>=T
M1The time, the heating tube stopped heating, work as T
c≤ T
M2The time, the heating tube heating.
Described mold temperature control method, is characterized in that, described ceiling temperature T
M1With the demarcation temperature T
mTemperature fluctuation range be: T
M1-T
m≤ 2; Described lower limit temperature T
M2With the demarcation temperature T
mTemperature fluctuation range be: T
m-T
M2≤ 2.
A kind of mould of plastics temperature control system of the present utility model has following advantage:
(1) tradition is heated to change into directly, on the template of mould, heating arrangement is set by heating plate is set, mould structure has not only been simplified in this setting, and can reduce heat conducting loss, improves the mold heated programming rate;
(2) for every heating tube, two temperature sensors are set, a temperature while heating for detection of heating tube, a temperature for detection of the die cavity place, thereby the required power of heating tube in the time of can accurately controlling mold heated, thereby control the temperature difference between die cavity and heating tube, guarantee the quality of improved plastics structural shape;
(3) between temperature-detecting device and temperature sensor, be provided with hub, avoid circuit with mould, contact and affect the signal transmission, thereby improve the stability of this mould of plastics temperature control system;
(4) according to the mean temperature of heating tube, the demarcation temperature of mould and the actual temperature of die cavity, the power of heating tube is effectively regulated constantly, thereby guarantee that in whole mold heated process, mould-cavity temperature is uniform, and improved heating rate, guaranteed the quality of goods.
The accompanying drawing explanation
Fig. 1 is the structural representation of mould of plastics temperature control system of the present utility model.
Fig. 2 is that mold temperature of the present utility model is controlled curve map.
In figure, 1, heating tube; 2, temperature sensor one; 3, temperature sensor two; 4, temperature sensor; 5, power governor; 6, multichannel temperature controller; 7, hub; 8, power supply.
The specific embodiment
Mould in the utility model comprises moving platen and solid plate, between moving platen and solid plate, is provided with the die cavity for molding plastic part, and on moving platen and solid plate, is respectively equipped with some heating tubes 1.In this example, provided eight heating tubes 1, heating tube 1 may be ten, 12, ten six roots of sensation, 20,30 and other different quantity in actual mould.
As shown in Figure 1, mould of plastics temperature control system of the present utility model, be arranged on the heater circuit of heating tube 1, heating tube on all solid plates is connected in a mould of plastics temperature control system, this mould of plastics temperature control system comprises the power supply 8 for power supply, several temperature-detecting devices for detection of temperature, one or more temperature sensors that connect with temperature-detecting device 4, and connect for controlling the multichannel temperature controller 6 of heating tube 1 heating-up temperature with temperature sensor 4 and some heating tubes 1, multichannel temperature controller 6 is KS800 multichannel temperature controller, between multichannel temperature controller 6 and heating tube 1, also be provided with power governor 5.Heating tube 1, temperature-detecting device, temperature sensor 4, power governor 5, multichannel temperature controller 6 link with power supply 8 respectively.Between temperature-detecting device and temperature sensor 4, be provided with hub 7, be used to collecting the circuit of temperature-detecting device, avoid contacting with mould and affect the signal transmission.Some heating tubes 1 in the utility model adopt and are arranged in parallel when electrically connecting.Every heating tube 1 correspondence is provided with at least two temperature-detecting devices, relevant position mold temperature and mould cavity temperature while for detection of heating tube 1, giving mold heated; Temperature sensor 4 gathers temperature that each temperature-detecting device detects and next Cyclical power value that signal passes to 6 pairs of heating tubes 1 of multichannel temperature controller is carried out to Fuzzy Calculation, then the performance number of each heating tube 1 is adjusted.
Concrete enforcement: every 1 pair of heating tube should have two temperature-detecting devices, is respectively for detection of the temperature sensor 1 of heating tube 1 temperature with for detection of the temperature sensor 23 of mould-cavity temperature.Temperature sensor 4 is the multichannel temperature Acquisition Instrument, can gather simultaneously several groups of different signals, eight input ports one of multichannel temperature Acquisition Instrument are connected with eight temperature sensors 1, gather its signal and the output port one by eight correspondences sends the mean temperature that multichannel temperature controller 6 calculates heating tube 1 to, and compare with the demarcation temperature in multichannel temperature controller 6, totally judge the power condition in all 1 next cycles of heating tube; Eight input ports two of multichannel temperature Acquisition Instrument 4 are connected with eight temperature sensors 23, gather its signal and the output port two by eight correspondences sends multichannel temperature controller 6 to, and the demarcation temperature of setting on each detected temperatures and multichannel temperature controller 6 is compared, thereby signal is passed to power governor 5, adjust the performance number in 1 next cycle of every heating tube or close heating tube 1 heating.This multichannel temperature Acquisition Instrument 4, multichannel temperature controller 6 can gather, transmit, process the signal that a plurality of temperature sensors are passed on, not only make whole temperature control system compacter, and can process simultaneously 16 groups of signals, can control in time heating tube 1 heating, power adjustment, thereby make the temperature of whole mould and die cavity even, guarantee the quality of plastic products.
The mold temperature control method of this mould of plastics temperature control system comprises that following step is poly-:
(1) some heating tubes are set respectively on solid plate and moving platen, and the mould of plastics temperature control system is set on the heater circuit of heating tube.Mould of plastics temperature control system of the present utility model, be arranged on the heater circuit of heating tube 1, comprise the power supply for power supply, several temperature-detecting devices for detection of temperature, the temperature sensor that one or more connect with temperature-detecting device, and connect for controlling the multichannel temperature controller 6 of heating tube 1 heating-up temperature with temperature sensor and some heating tubes 1, multichannel temperature controller 6 is KS800 multichannel temperature controller; Between multichannel temperature controller 6 and heating tube 1, also be provided with power governor 5; Heating tube 1, temperature-detecting device, temperature sensor, multichannel temperature controller 6 link with power supply respectively.Between temperature-detecting device and temperature sensor, be provided with hub 7 be used to collecting the circuit of temperature-detecting device, avoid contacting with mould and affect the signal transmission.Some heating tubes 1 in the utility model adopt and are arranged in parallel when electrically connecting.Every heating tube 1 correspondence is provided with two temperature-detecting devices, relevant position mold temperature and mould cavity temperature while for detection of heating tube 1, giving mold heated; Temperature sensor gathers temperature that each temperature-detecting device detects and next Cyclical power value that signal passes to 6 pairs of heating tubes 1 of multichannel temperature controller is carried out to Fuzzy Calculation, then the performance number of each heating tube 1 is adjusted.In this example, provided eight heating tubes, heating tube may be ten, 12, ten six roots of sensation, 20,30 and other different amount in actual mould.
On solid plate and moving platen, can be respectively equipped with mould of plastics temperature control system independently; Perhaps the mould of plastics temperature control system on solid plate and moving platen is linked, guarantee that the temperature on solid plate and moving platen is more even; Also the mould of plastics temperature control system can be set on solid plate singly.
(2) temperature sensor gathers eight detected heating tube temperature T of temperature sensor one
n, and calculate mean temperature by the multichannel temperature controller:
Temperature sensor gathers eight detected mould-cavity temperature T of temperature sensor two
c, and send the multichannel temperature controller to;
(3) the multichannel temperature controller is by mean temperature T
gWith the demarcation temperature T
mCompare, work as T
g<T
mThe time, the multichannel temperature controller is by the detected heating tube temperature T of temperature sensor one
nWith mean temperature T
gCompare, and adjust the heating power of heating tube: work as T
n>T
gThe time, when namely the temperature of detection was higher than mean temperature, multichannel temperature controller power ratio control adjuster reduced the heating power of the heating tube that temperature is higher; Work as T
n<T
gThe time, when namely the temperature of detection was lower than mean temperature, multichannel temperature controller power ratio control adjuster increased the heating power of corresponding heating tube.
(4) the multichannel temperature controller is by mean temperature T
gWith the demarcation temperature T
mCompare, work as T
g>=T
mThe time, the multichannel temperature controller stop temperature sensor collecting temperature sensor one temperature until next time matched moulds again trigger, now temperature sensor gathers eight detected mould-cavity temperature T of temperature sensor two
c, the multichannel temperature controller is by the detected mould-cavity temperature T of each temperature sensor two
cWith the demarcation temperature T
mCompare, adjust every heating tube heating power or close heating tube by power governor according to comparative result.Work as T
c<T
mThe time, when namely the temperature of detection was lower than the demarcation temperature, multichannel temperature controller power ratio control adjuster increased the heating power of the heating tube that temperature is higher; Work as T
c>T
mThe time, when namely the temperature of detection was higher than the demarcation temperature, multichannel temperature controller power ratio control adjuster cut out heating tube.
The utility model is by the interlock setting of step (3) and (4), mould can be rapidly heated in initial state, and each position of mould can be heated uniformly when near fixed temperature up to standard, thereby can guarantee effectively that the overall temperature rise of mould is even, improve the quality of goods.
Demarcation temperature T in the utility model
mHas ceiling temperature T
M1With lower limit temperature T
M2, ceiling temperature T
M1With the demarcation temperature T
mTemperature fluctuation range be: T
M1-T
m≤ 2; Lower limit temperature T
M2With the demarcation temperature T
mTemperature fluctuation range be: T
m-T
M2≤ 2.Work as T
g<T
M1The time, open heating, and the heating tube continuous heating, T now worked as
n>T
gThe time, when namely the temperature of detection was higher than mean temperature, multichannel temperature controller power ratio control adjuster reduced the heating power of the heating tube that temperature is higher; Work as T
n<T
gThe time, when namely the temperature of detection was lower than mean temperature, multichannel temperature controller power ratio control adjuster increased the heating power of corresponding heating tube.Work as T
g>=T
M1The time, the multichannel temperature controller stop temperature sensor collecting temperature sensor one temperature until next time matched moulds again trigger; Now temperature sensor gathers eight detected mould-cavity temperature T of temperature sensor two
c, the multichannel temperature controller is by the detected mould-cavity temperature T of temperature sensor two
cWith the demarcation temperature T
mCeiling temperature T
M1With lower limit temperature T
M2Compare, work as T
c>=T
M1The time, the heating tube stopped heating, work as T
c≤ T
M2The time, the heating tube heating.
As shown in Figure 2, the utility model at the heating initial stage from environment temperature T
0Start to adopt heating continuously and healthily, demarcate temperature T when reaching mould
mAfter be temperature be controlled at ceiling temperature T
M1With lower limit temperature T
M2Between adjust, until the mould die sinking.After the mould die sinking, the temperature fast-descending to of a mould temperature value T
w, after the mould matched moulds, whole mold temperature is controlled again with T
wStart to enter new temperature control cycle.This temperature control system and control method can not only can be saved the heat time heating time of initial mold temperature, and mould can be heated fast; And by the mean temperature of heating tube, the demarcation temperature of mould and the actual temperature of die cavity, the power of heating tube is effectively regulated constantly and guaranteed that in whole mold heated process, mould-cavity temperature is uniform, improve heating rate, guaranteed the quality of goods.
Claims (5)
1. mold temp. controlling system, described mould comprises moving platen and solid plate, between described moving platen and solid plate, be provided with the die cavity for molding plastic part, and on described moving platen and solid plate, be respectively equipped with some heating tubes, described mold temp. controlling system is arranged on the heater circuit of heating tube, it is characterized in that, this system comprises the power supply for power supply, several temperature-detecting devices for detection of temperature, the temperature sensor that one or more connect with temperature-detecting device, and connect for controlling the multichannel temperature controller of heating tube heating-up temperature with temperature sensor and some heating tubes, described every heating tube is at least two temperature-detecting devices should be arranged, and described heating tube, temperature-detecting device, temperature sensor, multichannel temperature controller link with power supply respectively.
2. a kind of mold temp. controlling system according to claim 1, is characterized in that, is provided with power governor between described multichannel temperature controller and heating tube.
3. a kind of mold temp. controlling system according to claim 1, it is characterized in that, described every heating tube be to there being two temperature-detecting devices, is respectively for detection of the temperature sensor one of heating tube temperature with for detection of the temperature sensor two of mould-cavity temperature.
4. a kind of mold temp. controlling system according to claim 3, it is characterized in that, described temperature sensor is the multichannel temperature Acquisition Instrument, and described temperature sensor sends the signal of some temperature sensors one to the multichannel temperature controller value of averaging by some input ports one and corresponding output port one and calculates; Described temperature sensor sends the signal of some temperature sensors two to set on multichannel temperature controller and multichannel temperature controller demarcation temperature by some input ports two and corresponding output port two and compares.
5. according to claim 1 or 2 or 3 or 4 described a kind of mold temp. controlling systems, it is characterized in that, be provided with hub between described temperature-detecting device and multichannel collecting instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203818408U CN203305489U (en) | 2013-06-17 | 2013-06-17 | Mould temperature control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203818408U CN203305489U (en) | 2013-06-17 | 2013-06-17 | Mould temperature control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203305489U true CN203305489U (en) | 2013-11-27 |
Family
ID=49611723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203818408U Expired - Fee Related CN203305489U (en) | 2013-06-17 | 2013-06-17 | Mould temperature control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203305489U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302831A (en) * | 2013-06-17 | 2013-09-18 | 李金国 | Die temperature control system and method |
| CN105172171A (en) * | 2015-10-22 | 2015-12-23 | 南通银湖通讯设备科技有限公司 | Matrix type heating temperature control platform device for thermocuring mold |
| CN106052392A (en) * | 2016-05-31 | 2016-10-26 | 郑州磨料磨具磨削研究所有限公司 | Hot-pressing sintering machine and temperature uniformity control method thereof |
| CN107584738A (en) * | 2017-09-13 | 2018-01-16 | 安徽安缆模具有限公司 | A kind of injection mold intellectuality temperature control system |
| CN118092539A (en) * | 2024-04-22 | 2024-05-28 | 浙江鲜达科技有限公司 | Multichannel modularized temperature control method and system |
-
2013
- 2013-06-17 CN CN2013203818408U patent/CN203305489U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103302831A (en) * | 2013-06-17 | 2013-09-18 | 李金国 | Die temperature control system and method |
| CN103302831B (en) * | 2013-06-17 | 2015-08-12 | 李金国 | A kind of mold temp. controlling system and control method |
| CN105172171A (en) * | 2015-10-22 | 2015-12-23 | 南通银湖通讯设备科技有限公司 | Matrix type heating temperature control platform device for thermocuring mold |
| CN105172171B (en) * | 2015-10-22 | 2018-08-03 | 佛山市顺德区康特博塑料制品有限公司 | A kind of matrix form for thermoset mold heats temperature control console device |
| CN106052392A (en) * | 2016-05-31 | 2016-10-26 | 郑州磨料磨具磨削研究所有限公司 | Hot-pressing sintering machine and temperature uniformity control method thereof |
| CN106052392B (en) * | 2016-05-31 | 2018-10-23 | 郑州磨料磨具磨削研究所有限公司 | A kind of pressing sintering and its thermal evenness controlling method |
| CN107584738A (en) * | 2017-09-13 | 2018-01-16 | 安徽安缆模具有限公司 | A kind of injection mold intellectuality temperature control system |
| CN118092539A (en) * | 2024-04-22 | 2024-05-28 | 浙江鲜达科技有限公司 | Multichannel modularized temperature control method and system |
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|---|---|---|---|
| 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: 20131127 Termination date: 20150617 |
|
| EXPY | Termination of patent right or utility model |