CN101298179A - High-finish plastic product production system - Google Patents
High-finish plastic product production system Download PDFInfo
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- CN101298179A CN101298179A CNA2008103023349A CN200810302334A CN101298179A CN 101298179 A CN101298179 A CN 101298179A CN A2008103023349 A CNA2008103023349 A CN A2008103023349A CN 200810302334 A CN200810302334 A CN 200810302334A CN 101298179 A CN101298179 A CN 101298179A
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- plastic product
- finish
- heating
- product production
- injection machine
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention provides a high-finish plastic product production system, comprising an injection machine and a high-finish die. The high-finish die is provided with a hot runner system; the profile cavity of the die is provided with a heating system which provides a signal to a control system which controls the injection machine. As the high-finish plastic product production system comprises the controllable heating system and can lead the plastic to keep higher forming temperature in the whole forming process in the die, the injected plastic product can achieve higher surface finish; the invention also comprises a controllable cooling system which ensures the plastic product to be quickly cooled after being formed under higher temperature, reduces the forming period of an individual product and improves production efficiency. The high-finish plastic product production system carries out heating and heat preservation in the whole flowing process from the nozzle spraying of the injection machine to the filling finish of the product, thus radically solving the influence of temperature differences at all sections on the surface quality of the plastic products due to heat loss in the flowing process.
Description
Technical field
The present invention relates to high-finish plastic product production system, particularly a kind of production system of using electric heating system to improve plastic product fineness.
Background technology
Along with significantly raising to the plastic product demand, market has proposed strict more requirement to the surface quality of plastic product, adopt at present and in mould of plastics, increase the hot runner molding system, guarantee that plastics can too fast cooling when filling mold cavity and produce surface quality defect, adopt this scheme that product surface quality is increased significantly than the cold runner production system, but put this and section play insulation effect because this scheme is merely able to advance glue at the injection machine nozzle to product, compensate a part of heat loss, and begin just to seem powerless from advancing the glue point to this section of end-of-fill flow process at plastics.
Summary of the invention
Technical problem to be solved by this invention provides a kind of high-finish plastic product production system, the flow process whole process of this system from the injection machine nozzle to the product end-of-fill is carried out heat tracing, has solved the influence of the temperature difference that thermal loss causes in the flow process to the plastic product surface quality.
The technical scheme that technical solution problem of the present invention is adopted is: high-finish plastic product production system, comprise injection machine and high optical mode tool, on high optical mode tool, TOP-TIP is installed, at mold cavity heating system is installed, heating system provides signal to control system, control system control injection machine.
The invention has the beneficial effects as follows: because the present invention comprises controlled heating system, the moulding overall process of plastics in mould all kept than higher forming temperature, so the plastic product that injection is come out can reach than higher surface smoothness; The present invention also comprises controlled cooling system, guarantees that plastic product can cool off again behind higher temperature compacted under fast, reduces the single products molding cycle, enhances productivity.The flow process whole process of the present invention from the injection machine nozzle to the product end-of-fill carries out heat tracing, fundamentally solved in the flow process since each section temperature difference that thermal loss caused to the influence of plastic product surface quality.
Description of drawings
Fig. 1 is a system block diagram of the present invention.
The specific embodiment
The present invention installs TOP-TIP on high optical mode tool, heating system is installed in mold cavity, heating system provides signal to control system, control device is after receiving signal, the switch of control heating system to be reaching the purpose of control plastics temperature, and controls the duty of injection machine and the duty of cooling device simultaneously.
Control system is the core of whole production system, mainly comprise Programmable Logic Controller, analog-digital converter, relay and display, display connects Programmable Logic Controller, and Programmable Logic Controller connects the temperature-sensing element of TOP-TIP and the temperature sensitive member of mold cavity heating system by analog-digital converter; Programmable Logic Controller connects the heating element heater of TOP-TIP and the resistance heated rod of mold cavity heating system by relay.The major function of control system is after the temperature signal to input carries out analyzing and processing, controls stopping and the conversion of the heated condition of the conversion of startup, TOP-TIP heated condition, mold cavity heating system, the conversion of injection machine inject state of cooling system respectively.
Respectively from cooling system, TOP-TIP, mold cavity heating system input signal, when the satisfied setting of heating signal required, injection machine start injection molten plastic entered plastic mold cavity to injection machine by control system.After injection is finished, injection machine feeds cooling medium and carries out the cooling of plastic product to mould, in cooling procedure, cooling system always the output temperature signal to control system, after temperature is reduced to setting value, enter the next production cycle,, can effectively shorten the production cycle by Monitoring and Controlling to cooling system.
Cooling system mainly is made up of refrigerator, water pipe and cooling valve, and cooling medium generally is the chilled water that is provided by refrigerator.This system in the course of the work, need input injection machine signal and output signal to control system, the startup of system is controlled by the injection machine input signal, be to output signal to control system after injection machine injection is finished, control system carries out again cooling system being sent the instruction indication after the analyzing and processing, and it is started working; Stopping by control system control of cooling system, control system is monitored in real time to mold temperature in cooling procedure, stops cooling after mold temperature is reduced to setting value when control system detects, and enters the next production cycle.
TOP-TIP mainly by flow distribution plate, hot nozzle, main penetrate chew, heating element heater, temperature-sensing element etc. form, can provide by professional hot flow path manufacturer.The function of this system is that the runner section of mould is carried out heat tracing, makes plastics remain molten condition before being filled into mold cavity, to avoid plastics because the reduction of temperature and can't reach the problem of desirable product surface quality in the injection process.TOP-TIP is from the control system input signal, also output signal to control system, control system is monitored in real time to it, monitoring range comprises flow distribution plate, hot nozzle and leads to penetrate and chew, when the corresponding site temperature is lower than when setting value, otherwise the heating element heater of control system indication corresponding site heats and then stops heating.The heating power of TOP-TIP is also controlled by control system.
The mold cavity heating system is made up of high-power resistance heated rod and temperature sensitive member, and the resistance heated rod also can be alternative by high-power electromagnetism heating rod, but must prevent electromagnetic leakage during use electromagnetism heating rod, in order to avoid the operator is damaged.This system's major function is that whole heat tracing is carried out at the die cavity position of mould of plastics, can keep molten condition to guarantee plastics before arriving the plastic product end, effectively avoids surface quality problems such as aberration, look flower, weld bond.The mold cavity heating system is consistent with the relation and the TOP-TIP of control system.
During production, control system control TOP-TIP heats runner section, matched moulds after the temperature of runner section is heated to setting value; Hot type cavity segment again, collecting temperature value signal in heating process, this signal divide three tunnel, one road signal to be sent to injection machine by control system, when injection machine receives temperature value start injection when having arrived setting value; Other one road signal sends control system to, promptly stops heating when temperature reaches setting value; The Third Road signal is finished in injection and is sent cooling device when beginning to cool down to, receives when cooling device to stop cooling, die sinking pickup then when the signal indicating mold cavity has been cooled to set value.
Claims (5)
1. high-finish plastic product production system comprises injection machine and high optical mode tool, on high optical mode tool TOP-TIP is installed, and it is characterized in that: at mold cavity heating system is installed, heating system provides signal to control system, control system control injection machine.
2. according to the described high-finish plastic product production system of claim 1, it is characterized in that: described heating system comprises heating rod and temperature sensitive member.
3. according to the described high-finish plastic product production system of claim 1, it is characterized in that: on described control system, also be connected with cooling system.
4. according to the described high-finish plastic product production system of claim 1, it is characterized in that: described cooling system is made up of refrigerator, water pipe and cooling valve.
5. according to the described high-finish plastic product production system of claim 1, it is characterized in that: institute's control system comprises Programmable Logic Controller, analog-digital converter, relay and display, described display connects Programmable Logic Controller, described Programmable Logic Controller connects the temperature-sensing element of TOP-TIP and the temperature sensitive member of heating system by analog-digital converter, and Programmable Logic Controller connects the heating element heater of TOP-TIP and the heating rod of heating system by relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008103023349A CN101298179A (en) | 2008-06-26 | 2008-06-26 | High-finish plastic product production system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008103023349A CN101298179A (en) | 2008-06-26 | 2008-06-26 | High-finish plastic product production system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101298179A true CN101298179A (en) | 2008-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008103023349A Pending CN101298179A (en) | 2008-06-26 | 2008-06-26 | High-finish plastic product production system |
Country Status (1)
| Country | Link |
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| CN (1) | CN101298179A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612360A (en) * | 2013-11-19 | 2014-03-05 | 四川航天工业集团有限公司 | Method for molding automobile fender with material thickness of 1.5mm |
| CN106808653A (en) * | 2017-01-03 | 2017-06-09 | 广东柳道热流道系统有限公司 | Throttling TOP-TIP |
| CN117400502A (en) * | 2023-10-31 | 2024-01-16 | 山东佳邦机械设备有限公司 | Energy-saving control system and control method for injection molding machine |
-
2008
- 2008-06-26 CN CNA2008103023349A patent/CN101298179A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103612360A (en) * | 2013-11-19 | 2014-03-05 | 四川航天工业集团有限公司 | Method for molding automobile fender with material thickness of 1.5mm |
| CN106808653A (en) * | 2017-01-03 | 2017-06-09 | 广东柳道热流道系统有限公司 | Throttling TOP-TIP |
| CN117400502A (en) * | 2023-10-31 | 2024-01-16 | 山东佳邦机械设备有限公司 | Energy-saving control system and control method for injection molding machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20081105 |