CN204650309U - Plastic packaging press heating control system - Google Patents
Plastic packaging press heating control system Download PDFInfo
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- CN204650309U CN204650309U CN201520193695.XU CN201520193695U CN204650309U CN 204650309 U CN204650309 U CN 204650309U CN 201520193695 U CN201520193695 U CN 201520193695U CN 204650309 U CN204650309 U CN 204650309U
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- packaging press
- heating control
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Abstract
The utility model relates to a kind of plastic packaging press heating control system, temperature for the forming cavity surface to the plastic package die in plastic packaging press controls, plastic packaging press heating control system comprises multiple control module, the number of control module is less than or equal to the number of firing equipment and is greater than two, each control module comprises: temperature acquisition element, and the temperature for the forming cavity surface to plastic package die gathers and forms electric signal and exports; Temperature acquisition element is uniformly distributed in heating region; Temperature controller, generates corresponding drive singal for the electric signal exported according to temperature acquisition element; Voltage adjusting device, the drive singal for exporting according to temperature controller produces corresponding driving voltage and exports to a firing equipment and heat to control firing equipment; Each temperature acquisition element, temperature controller and voltage adjusting device form an independently control module.The reliability of above-mentioned plastic packaging press heating control system is high and can ensure plastic packaging product quality.
Description
Technical field
The utility model relates to plastic packaging technical field of pressing machine, particularly relates to a kind of plastic packaging press heating control system.
Background technology
The heating thermometric controlling functions of traditional plastic packaging press adopts 2 thermopairs to carry out thermometric to plastic package die upper die and lower die respectively, and greatly, reliability is lower for measured instrument temperature displayed value and mold surface temperature actual value error.And it easily occurs that mould upper and lower forming cavity surface temperature heats uneven phenomenon, has a strong impact on plastic packaging product quality and production efficiency, can not meet production requirement.
Utility model content
Based on this, be necessary for the problems referred to above, provide a kind of reliability high and the plastic packaging press heating control system of plastic packaging product quality can be ensured.
A kind of plastic packaging press heating control system, the temperature for the forming cavity surface to the plastic package die in plastic packaging press controls, and the heating region on the forming cavity surface of described plastic package die is provided with firing equipment; Described plastic packaging press heating control system comprises multiple control module, the number of described control module is less than or equal to the number of described firing equipment and is greater than two, each control module comprises: temperature acquisition element, and the temperature for the forming cavity surface to described plastic package die gathers and forms electric signal and exports; Described temperature acquisition element is uniformly distributed in described heating region; Temperature controller, is connected with described temperature acquisition element, generates corresponding drive singal for the electric signal exported according to described temperature acquisition element; Voltage adjusting device, is connected with described temperature controller, and the drive singal for exporting according to described temperature controller produces corresponding driving voltage and exports to firing equipment described in and heat to control described firing equipment; Each described temperature acquisition element, temperature controller and voltage adjusting device form an independently control module.
Wherein in an embodiment, described voltage adjusting device is solid-state relay.
Wherein in an embodiment, the number of described temperature acquisition element, described temperature controller and described solid-state relay is 24.
Wherein in an embodiment, described plastic package die comprises upper die and lower die; The temperature acquisition element of same number is respectively arranged with in the heating region of the heating region of the forming cavity of described patrix and the forming cavity of described counterdie.
Wherein in an embodiment, the number of described control module is all identical with the number of described firing equipment.
Wherein in an embodiment, described temperature controller is the controller that adoption rate integral-differential, algorithm generates corresponding drive singal.
Wherein in an embodiment, described control module also comprises the first switch; Described first switch is connected with described temperature controller, for controlling the break-make of the power supply of described temperature controller; Described temperature controller, also for judging whether the temperature gathered is greater than the first temperature, disconnecting if then control described first switch, thus cutting out the firing equipment in described control module.
Wherein in an embodiment, described plastic packaging press heating control system also comprises second switch; Described second switch is for controlling the break-make of the power supply of described plastic packaging press heating control system; Described temperature controller also for judging whether the temperature gathered is greater than the second temperature, disconnecting if then control described second switch, thus turning off the power supply of described plastic packaging press heating control system; Described second temperature is greater than described first temperature.
Wherein in an embodiment, described plastic packaging press heating control system also comprises warning circuit; Described warning circuit is used for giving the alarm when any temperature controller judges that the temperature gathered is greater than the second temperature.
Wherein in an embodiment, described temperature controller is Programmable Temperature control module.
Above-mentioned plastic packaging press heating control system is provided with multiple temperature acquisition element in the heating region on the forming cavity surface of plastic package die, thus the multipoint acquisition realized heating region temperature, the temperature gathered close to the forming cavity surface temperature of plastic package die, thus makes the reliability of control procedure higher.And, in above-mentioned plastic packaging press heating control system, each temperature acquisition element, temperature controller and voltage adjusting device form independently control module and carry out independent control to the firing equipment in control module, thus make the homogeneous temperature on the forming cavity surface of plastic package die, and then ensure plastic packaging product quality.
Accompanying drawing explanation
Fig. 1 is the theory diagram of control module in the plastic packaging press heating control system in an embodiment;
Fig. 2 is the schematic diagram of temperature controller in middle plastic packaging press heating control system embodiment illustrated in fig. 1;
Fig. 3 is the schematic diagram of voltage adjusting device in middle plastic packaging press heating control system embodiment illustrated in fig. 1;
Fig. 4 is the schematic diagram of the first switch in the plastic packaging press heating control system in an embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
A kind of plastic packaging press heating control system, the temperature for the forming cavity surface to the plastic package die in plastic packaging press controls.Firing equipment is provided with in the heating region on the forming cavity surface of plastic package die.In the present embodiment, plastic package die comprises upper die and lower die, and firing equipment is heating tube, and heating tube is evenly distributed on the heating region in upper die and lower die, for heating the forming cavity surface of mould.Plastic packaging press heating control system comprises multiple control module, and the number of control module is less than or equal to the number of firing equipment and is greater than two.Fig. 1 is the theory diagram of the control module 100 in the plastic packaging press heating control system in an embodiment, and it comprises temperature acquisition element 110, temperature controller 120 and voltage adjusting device 130.Temperature acquisition element 110, temperature controller 120 and voltage adjusting device 130 connect successively.Each temperature acquisition element 110, temperature controller 120 and voltage adjusting device 130 form an independently control module 100 thus carry out computer heating control to the firing equipment in control module 100.
Temperature acquisition element 110 gathers for the temperature on the forming cavity surface to plastic package die and is export to temperature controller 120 after electric signal by the temperature inversion recorded.Multiple temperature acquisition element 110 is uniformly distributed in heating region, is convenient to carry out independent control to the firing equipment in control module 100.Gathered by the temperature of multiple temperature acquisition elements 110 to heating region, the temperature collected, close to the temperature on forming cavity surface, for following temperature controls to provide reliable data supporting, improves the unfailing performance of system.In the present embodiment, temperature acquisition element 110 adopts K type thermopair.The number of the temperature acquisition element 110 i.e. number of control module 100 identical with the number of firing equipment is identical with the number of firing equipment, be 12, and one_to_one corresponding is arranged.For avoiding the impact being subject to firing equipment in temperature acquisition element 110 gatherer process, temperature acquisition element 110 remains on 20 millimeter with the distance between center line of firing equipment.Particularly, in patrix K type thermopair under, heating tube upper, distance between center line about 20mm; Counterdie then heating tube under, K type thermopair is upper.Thermopair is evenly assigned in installing plate left and right side, upper and lower mold forming chamber, namely has 12 thermopairs in patrix, and each side 6 transverse directions assign arrangement, and counterdie thermopair is in like manner arranged.In other examples, the number of temperature acquisition element 110 also can be less than the number of firing equipment, thus each control module 100 is managed multiple firing equipment simultaneously, and each control module 100 can the firing equipment of control 500W-1000W.
Temperature controller 120 is connected with temperature acquisition element 110, and after the electric signal for exporting the temperature acquisition element 110 be attached thereto carries out PID (proportion integration differentiation) computing, output drive signal is to voltage adjusting device 130.In the present embodiment, the drive singal that temperature controller 120 exports is the voltage signal of voltage range at (1 ± 5%) × DC12V.The schematic diagram of temperature controller 120 as shown in Figure 2.Wherein, TC and representation temperature acquisition elements 110.In other examples, temperature controller 120 also can adopt Programmable Temperature control module or PLC people's machine technology to realize.
Voltage adjusting device 130 is connected with temperature controller 120, the firing equipment exported to after drive singal for exporting according to temperature controller 120 produces corresponding driving voltage in control module 100 heats to control this firing equipment, thus realizes controlling the temperature on surface, mould molding chamber.In the present embodiment, voltage adjusting device 130 adopts solid-state relay (Solid State Relays, SSR) to replace traditional voltage adjuster.Solid-state relay drives the firing equipment work in the control module 100 at its place under the control of drive singal by the driving voltage of the transwitch output AC220V of self, realize the heating to forming cavity surface.Utilize SSR to replace voltage adjuster to realize DC level conversion, isolation and controlling functions, improve control accuracy, easy to maintenance and reduce maintenance cost.Fig. 3 is the schematic diagram of voltage adjusting device 130 (i.e. solid-state relay) in the present embodiment.
Above-mentioned plastic packaging press heating control system is provided with multiple temperature acquisition element 110 in the heating region on the forming cavity surface of plastic package die, thus the multipoint acquisition realized heating region temperature, the temperature gathered, close to the forming cavity surface temperature of plastic package die, makes the reliability of control procedure higher.And, in above-mentioned plastic packaging press heating control system, the firing equipment that each temperature acquisition element 110, temperature controller 120 and voltage adjusting device 130 form in independently control module 100 pairs of control modules 100 carries out independent control, make the homogeneous temperature on the forming cavity surface of plastic package die, and then ensure plastic packaging product quality, improve production efficiency.
In the present embodiment, control module 100 also comprises the first switch, and the first switch does not show in FIG.First switch is connected with temperature controller 120, for the break-make of the power supply of control temperature controller 120.L1, L2 in Fig. 2 ... be the first switch.The connection diagram of the first switch as shown in Figure 4.Temperature controller 120 also for determining the temperature gathered according to the electric signal received, and judges whether this temperature is greater than the first temperature.In the present embodiment, the first temperature is than large 2 DEG C of the preset temperature target temperature of mold cavity surface ().When temperature controller 120 judges that the temperature gathered is greater than the first temperature, turn off the first switch, thus voltage adjusting device 130 is quit work, namely stop the heating of firing equipment.When the temperature return in this control module 100 is to normal temperature range, temperature controller 120 can control the first switch and close thus firing equipment is opened automatically and carry out heating the forming cavity surface of plastic package die.Heating control system in the utility model, the firing equipment only can't closed in this control module 100 all firing equipments stopping heating when there is excess temperature in some control modules 100, firing equipment in other control modules 100 then carries out normal computer heating control, thus the adjustment of the forming cavity surface local temperature to plastic package die can be realized, ensure the temperature homogeneity on forming cavity surface.
In the present embodiment, plastic packaging press heating control system also comprises second switch and warning circuit.Second switch is for controlling the break-make of the power supply of whole heating control system, and second switch is the K in Fig. 3.Temperature controller 120 is also for judging whether the temperature gathered is greater than the second temperature.In the present embodiment, larger than preset temperature 8 DEG C of the second temperature.When temperature control system 120 judges that the temperature gathered is greater than the second temperature, second switch K can be controlled and disconnect, thus cut off the power supply of whole system, system be protected, avoids excess temperature may cause the damage of unrepairable to system.Meanwhile, warning circuit can give the alarm, and prompting user carries out safeguarding and failture evacuation in time.By overtemperature is carried out classification process can available protecting system safe operation and can ensure that equipment normally runs to greatest extent.In the present embodiment, as long as when any one temperature controller 120 judges that the temperature gathered is greater than the second temperature, second switch K namely can be controlled and disconnects, cut off the power supply of whole system, given the alarm by warning circuit simultaneously.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. a plastic packaging press heating control system, the temperature for the forming cavity surface to the plastic package die in plastic packaging press controls, and the heating region on the forming cavity surface of described plastic package die is provided with firing equipment; It is characterized in that, described plastic packaging press heating control system comprises multiple control module, and the number of described control module is less than or equal to the number of described firing equipment and is greater than two, and each control module comprises:
Temperature acquisition element, the temperature for the forming cavity surface to described plastic package die gathers and forms electric signal and exports; Described temperature acquisition element is uniformly distributed in described heating region;
Temperature controller, is connected with described temperature acquisition element, generates corresponding drive singal for the electric signal exported according to described temperature acquisition element;
Voltage adjusting device, is connected with described temperature controller, and the drive singal for exporting according to described temperature controller produces corresponding driving voltage and exports to firing equipment described in and heat to control described firing equipment; Each described temperature acquisition element, temperature controller and voltage adjusting device form an independently control module.
2. plastic packaging press heating control system according to claim 1, is characterized in that, described voltage adjusting device is solid-state relay.
3. plastic packaging press heating control system according to claim 2, is characterized in that, the number of described temperature acquisition element, described temperature controller and described solid-state relay is 24.
4. plastic packaging press heating control system according to claim 2, it is characterized in that, described plastic package die comprises upper die and lower die; The temperature acquisition element of same number is respectively arranged with in the heating region of the heating region of the forming cavity of described patrix and the forming cavity of described counterdie.
5. plastic packaging press heating control system according to claim 2, is characterized in that, the number of described control module is all identical with the number of described firing equipment.
6. plastic packaging press heating control system according to claim 1, is characterized in that, described temperature controller is the controller that adoption rate integral-differential, algorithm generates corresponding drive singal.
7. plastic packaging press heating control system according to claim 1, it is characterized in that, described control module also comprises the first switch; Described first switch is connected with described temperature controller, for controlling the break-make of the power supply of described temperature controller; Described temperature controller, also for judging whether the temperature gathered is greater than the first temperature, disconnecting if then control described first switch, thus cutting out the firing equipment in described control module.
8. plastic packaging press heating control system according to claim 7, is characterized in that, described plastic packaging press heating control system also comprises second switch; Described second switch is for controlling the break-make of the power supply of described plastic packaging press heating control system; Described temperature controller also for judging whether the temperature gathered is greater than the second temperature, disconnecting if then control described second switch, thus turning off the power supply of described plastic packaging press heating control system; Described second temperature is greater than described first temperature.
9. plastic packaging press heating control system according to claim 8, is characterized in that, described plastic packaging press heating control system also comprises warning circuit; Described warning circuit is used for giving the alarm when any temperature controller judges that the temperature gathered is greater than the second temperature.
10. plastic packaging press heating control system according to claim 1, is characterized in that, described temperature controller is Programmable Temperature control module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520193695.XU CN204650309U (en) | 2015-04-01 | 2015-04-01 | Plastic packaging press heating control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520193695.XU CN204650309U (en) | 2015-04-01 | 2015-04-01 | Plastic packaging press heating control system |
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| CN204650309U true CN204650309U (en) | 2015-09-16 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413968A (en) * | 2015-12-17 | 2016-03-23 | 深圳市欣驰科技有限公司 | Laminator capable of automatically identifying power supply frequencies and lamination method thereof |
| WO2017107890A1 (en) * | 2015-12-22 | 2017-06-29 | 江阴市辉龙电热电器有限公司 | Heater alarm and control module |
| CN111694387A (en) * | 2019-12-30 | 2020-09-22 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Distributed self-adaptive constant-temperature heating device and method for precise radio frequency module |
-
2015
- 2015-04-01 CN CN201520193695.XU patent/CN204650309U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105413968A (en) * | 2015-12-17 | 2016-03-23 | 深圳市欣驰科技有限公司 | Laminator capable of automatically identifying power supply frequencies and lamination method thereof |
| WO2017107890A1 (en) * | 2015-12-22 | 2017-06-29 | 江阴市辉龙电热电器有限公司 | Heater alarm and control module |
| KR20180101347A (en) | 2015-12-22 | 2018-09-12 | 지앙인 호이롱 일렉트로닉 히팅 어플라이언스 컴퍼니 리미티드 | Heater alarm and control module |
| JP2019501455A (en) * | 2015-12-22 | 2019-01-17 | 江陰市輝龍電熱電器有限公司Ｊｉａｎｇｙｉｎ Ｈｕｉｌｏｎｇ Ｅｌｅｃｔｒｉｃ Ｈｅａｔｉｎｇ Ａｐｐｌｉａｎｃｅ Ｃｏ．， Ｌｔｄ． | Heater alarm and control module |
| US11157027B2 (en) | 2015-12-22 | 2021-10-26 | Jiangyin Huilong Electric Heating Appliance Co., Ltd. | Heater alarm and control module |
| CN111694387A (en) * | 2019-12-30 | 2020-09-22 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Distributed self-adaptive constant-temperature heating device and method for precise radio frequency module |
| CN111694387B (en) * | 2019-12-30 | 2022-04-08 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Distributed self-adaptive constant-temperature heating device and method for precise radio frequency module |
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