CN103317692B - A kind of die temperance control device with miniature boiler - Google Patents
A kind of die temperance control device with miniature boiler Download PDFInfo
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- CN103317692B CN103317692B CN201210083450.2A CN201210083450A CN103317692B CN 103317692 B CN103317692 B CN 103317692B CN 201210083450 A CN201210083450 A CN 201210083450A CN 103317692 B CN103317692 B CN 103317692B
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Abstract
The invention provides one and can control the fast-changing temperature controller of injection mold temperature, controller specifically includes that the critical components such as small size steam boiler, cooling water pump, cooling water reservoir, control unit, control valve, filter and pipeline.Under the regulation and control of control unit, above-mentioned unit coordinates works, and accurately controls the excursion (40 DEG C 150 DEG C) of mold temperature, it is thus achieved that the plastic product of high-quality apperance.During work, first controlled internal boiler by die temperance control device and produce high-temperature high-pressure steam, water vapour adds hot channel by what the steam pipework being connected with controller and injection mold was input to mould inside, the temperature of fast lifting mould is to predetermined value, and then controller control injector carries out injecting and pressure maintaining period.During cooling, controller starts water pump and the cooling water of low temperature is passed through the cooling pipe of mould, and quickly cooling mould is to predetermined value.It is an advantage of the invention that owing to being provided with small size steam boiler inside this controller, it is to avoid produce need special boiler and pipeline thereof install complicated, from production scene farther out, present situation that energy consumption is higher.This controller is convenient to be installed, and can realize the real-time control to mold temperature, meet the plastic requirement to Gao Mowen, save again the energy, can produce the high-quality assembly obtaining surface-brightening.
Description
Technical field
The present invention relates to the die temperance control device with boiler, it is possible to realize quickly being accurately controlled mold temperature
Change, meets the requirement of injection moulding high-quality looking products, belongs to injection mold technical field of temperature control.
Background technology
Injection molding process is complicated, and shaped article surface is easily generated the various defects such as weld mark, current mark, floating fibre,
Both affected the presentation quality of product, reduced again the mechanical property of product, brought hidden to the normal use of product
Suffer from.
Mainly shaped article table is improved by follow-up spraying coating process or raising mold temperature in producing at present
Face quality, the former had both improved the production cost of goods, had easily caused again serious environmental pollution, with current social
Expanding economy is incompatible；The quality that the latter improves shaped article by the temperature improving mould is current
Conventional process.But the most quickly, controlling mold temperature uniformly, easily is to need in Shooting Technique
The key issue solved.
The Chinese patent of Publication No. CN201025009Y discloses one " water circulation mold temperature controller ",
The temperature control technology of this injection mold is that mould is heated by the aqueous water utilizing high temperature, then utilizes low
Mould is cooled down by temperature cooling water, has corresponding medium circulating circuit and control valve in temperature control equipment.
This device is to utilize high-temperature water to heat mould, but owing to the heating-up temperature of water is restricted, mould
Heating-up temperature is restricted, and, utilize high-temperature water to heat, once leak phenomenon, easily scalds existing
, there is potential safety hazard in field staff.
The Chinese patent of publication number CN101249715A provides the electric heating type temperature of a kind of high-gloss injection mold
Controlling device, the temperature control technology of this injection mold is to utilize to be imbedded in the thermocouple of mould inside to mould
Heating, then utilize low-temperature cooling water to cool down mould, this device is simple to operate, easily realizes.
But when utilizing this device heating mould, mold cavity surface temperature distribution is uneven, and mould easily occurs fatigue to split
Stricture of vagina, causes the mold use life-span shorter, and the electrical bar being imbedded in mould inside is easily damaged, after damage
It is difficult to the shortcoming being removed from the molds.
The Chinese patent of publication number CN101100106A provides the temperature of a kind of plastic mould rapid heating and cooling
Degree controls device, and this device is by outside water vapour, hot water, deep fat etc. add thermal medium introducing production
Workshop, then realizes the purpose of heating mould by controlling the unified regulation and control of device.This kind of heating means exist and add
From scene farther out, the energy consumption existed because of pipeline heat radiation is higher for thermal medium source (such as steam boiler)；Pot is installed
Stove steam pipework is relatively costly, and formality complexity is not easy to the problems such as medium-sized and small enterprises use.
Summary of the invention
There is the problems such as poor safety performance, cost and energy consumption are high for existing injection mold temperature control equipment,
The present invention provides the mould temperature control with miniature boiler that a kind of efficiency of heating surface is high, the most even energy consumption of heats is low
Device processed, utilizes this controller, controlled molding jig to be rapidly achieved predetermined temperature, produces and obtain high-quality outward appearance
Product.
A kind of die temperance control device with miniature boiler includes that small size steam boiler, cooling water pump, cooling water store up
Storage, control unit, control valve, die entrance pipeline, mould outlet pipeline, compressed air line,
The critical component such as filter and pipeline, its steam pipework, cooling water pipeline and compressed air line are all and mould
Entrance pipe connects, and connecting in steam pipework has steam pressure regulator valve, steam control valve and filter；Cooling water
Pipeline connects and has water pump, cooling water control valve, filter；Compressed air line connects control valve, tune
Pressure valve and filter the air compressor by pipeline with outside are connected；Die entrance and mould outlet pipeline
All it is connected with mould, in mould, is provided with temperature sensor；Each control valve is all single with control by signal line
Unit connects；Control unit uses programmable controller PLC；Control valve uses pneumatic angle pedestal valve；Water pump uses and increases
Press pump.
The water vapour supply that the heating of mould is provided by steam boiler, the external pipeline of steam boiler installs pressure regulation
Valve and control valve, the steam pressure that steam boiler provides exists in 0.6-1.2MPa, the temperature of steam
150℃-170℃。
The heating period of mould, steam boiler starts, and produces high-temperature high-pressure steam, and high temperature and high pressure steam leads to
Cross steam pipework and be passed into mould inside, it is achieved after the effect of heating mould, be liquefied as water by recovery pipe
Return to outside cooling tower, for recycling.Steam enters the pipeline of injection mold and is provided with control valve, controls
Unit regulating valve opens and closes in real time.
The cooling stage of mould, control unit starts high-pressure hydraulic pump, and cooling water pump can provide 0.3-0.5MPa
Pressure, cooling water temperature at 10 DEG C-20 DEG C.Control water at low temperature and enter mould inside by cooling line,
Realize quickly cooling down the effect of mould.Water at low temperature, after mould inside circulates, enters into control by recovery pipe
Cooling tower outside device processed, for recycling.Cooling water enters the pipeline of injection mold and returning of cooling water
Closed tube road is provided with control valve, and control unit control valve opens and closes in real time.
Accompanying drawing explanation
Accompanying drawing is the structural principle schematic diagram of the present invention.
In figure: 1, steam boiler, 2, air compressor, 3, cooling tower, 4, ball valve stop valve, 5, water
Pump, 6, water inlet control valve, 7, water receiver, 8, temperature controller, 9, water-returning control valve, 10, injection
Machine, 11, injection mold, 12, thermocouple, 13, filter, 14, compressed air control valve, 15, steam
Vapour control valve, 16, steam pressure regulator valve, 17, air pressure-adjusting valve
Detailed description of the invention
As shown in drawings, in figure, solid line is pipeline, and long dotted line is control signal, the temperature controller 8 of the present invention
Specifically include that components and parts and the steamings such as 1 steam boiler, 5 water pumps, 7 water receivers, control unit and control valve
The pipelines such as vapour, cooling water, compressed air, die entrance and mould outlet.Steam boiler 1 is sequentially connected with steaming
Vapour pressure regulator valve 16, filter and steam control valve 15.The outside cooling tower of controller is connected with water pump 5, water pump
5 connect filter and cooling water control valve 6.Controller extraneous air compressor and its inner air pressure regulator valve,
Filter and compressed air control valve are sequentially connected with.Water receiver 7 is connected with mould outlet pipeline.Injection
Temperature sensor 12 is installed in mould 11.Each control valve and temperature sensor are all by holding wire and control
Unit connects.
When injection starts, first start steam boiler and obtain predetermined pressure and the water vapour of temperature, open mould,
Control unit obtains the die sinking signal of injection machine 10 feedback and sends OPEN to steam control valve 15, makes height
Pressure steam rapidly enters injection mold 11 by filter 13 and die entrance pipeline, it is achieved heat mould.
The water vapour flowed out from mould becomes aqueous water by the cooling of mould outlet pipeline inflow water collector 7, then liquid
State water flows into outside cooling tower 3 and lowers the temperature, in order to recycle.
When injection mold 11 temperature reaches requirement numerical value, signal is passed to control unit by temperature sensor 12,
Control unit sends shutdown signal to steam control valve 15, sends injectable signal to injection machine 10 simultaneously.
Injection after, in the pressurize later stage, control unit will accept the signal that injection machine 10 feeds back, to water pump 5,
Cooling water control valve 6 and water-returning control valve 9 send signal, start water pump and open cooling water control valve 6 He
Water-returning control valve 9, allows cooling water enter mould 11 by filter and die entrance pipeline, starts mould
11 cool down.Flowed through water-returning control valve by the cooling water of mould 11 by mould outlet pipeline and return to outside cold
But tower 3 realizes cooling, in order to recycle.
When mould 11 is cooled to the temperature required, it is single that signal is passed to control by internal temperature sensor 12
Unit, control unit sends signal to cooling water control valve 6, closes this control valve, simultaneously to compressed air control
Valve 14 processed sends OPEN.After compressed air control valve 14 is opened, compressed air passes through filter and mould
Tool entrance pipe enters mould, is all blown out by the cooling water in mould, the cooling water of blowout and compressed air
Turn also to the cooling tower of outside.After cooling water in mould 11 all blows out, control unit is to injection machine
10 send can die sinking signal, simultaneously send out code to water-returning control valve.When injection machine 10 die sinking, control
Unit processed receives signal and automatically carries out next circulation.
Claims (4)
1. the die temperance control device with miniature boiler, it is characterised in that: this die temperance control device includes small-sized
Steam boiler, cooling water pump, cooling water reservoir, control unit, control valve, die entrance pipeline,
Mould outlet pipeline, compressed air line, filter and pipeline, steam pipework, cooling water pipeline and compression
Air pipe line is all connected with die entrance pipeline, and connecting in steam pipework has steam pressure regulator valve, steam control valve
And filter；Cooling water pipeline connects and has water pump, cooling water control valve, filter；Compressed air line
Middle connection control valve, pressure regulator valve and filter are also connected with outside air compressor by pipeline；Mould enters
Mouth and mould outlet pipeline are all connected with mould, are provided with temperature sensor in mould；Each control valve is all passed through
Signal line is connected with control unit；Control unit uses programmable controller PLC；Control valve uses pneumatic
Angle pedestal valve；Water pump uses booster pump；
When injection starts, first start steam boiler and obtain predetermined pressure and the water vapour of temperature, open mould,
Control unit obtains the die sinking signal of injection machine feedback and sends OPEN to steam control valve, makes high steam
Injection mold is rapidly entered, it is achieved mould is heated by filter and die entrance pipeline；Flow out from mould
Water vapour become aqueous water by the cooling of mould outlet pipeline inflow water collector, then aqueous water flows into outside
Cooling tower is lowered the temperature, in order to recycle；
When injection mold temperature reaches requirement numerical value, signal is passed to control unit by temperature sensor, controls
Unit sends shutdown signal to steam control valve, sends injectable signal to injection machine simultaneously；Injecting
Bi Hou, in the pressurize later stage, control unit is by accepting the signal of injection machine feedback, to water pump, cooling water control
Valve and water-returning control valve send signal, start water pump and open cooling water control valve and water-returning control valve, allowing cold
But water enters mould by filter and die entrance pipeline, starts to cool down mould；By mould
Cooling water is flowed through water-returning control valve by mould outlet pipeline and returns to outside cooling tower realization cooling, in order to circulation makes
With；
When mould is cooled to the temperature required, signal is passed to control unit by internal temperature sensor, control
Unit processed sends signal to cooling water control valve, closes this control valve, sends to compressed air control valve simultaneously
OPEN；After compressed air control valve is opened, compressed air is entered by filter and die entrance pipeline
Mould, all blows out the cooling water in mould, and the cooling water of blowout and compressed air turn also to outside
Cooling tower；After cooling water in mould all blows out, control unit to injection machine send can die sinking signal,
Send out code to water-returning control valve simultaneously；When injection moulding machine mould open, control unit receives signal and automatically enters
Row next one circulation.
Die temperance control device with miniature boiler the most according to claim 1, it is characterised in that: mould
The water vapour supply that provided by steam boiler of heating, the external pipeline of steam boiler installs pressure regulator valve and control
Valve.
Die temperance control device with miniature boiler the most according to claim 1, it is characterised in that: steam
The pressure of the steam that boiler provides is at 0.6-1.2MPa, and the temperature of steam is at 150 DEG C-170 DEG C.
Die temperance control device with miniature boiler the most according to claim 1, it is characterised in that: cooling
Water pump can provide the pressure of 0.3-0.5MPa, and the temperature of cooling water is at 10 DEG C-20 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210083450.2A CN103317692B (en) | 2012-03-20 | 2012-03-20 | A kind of die temperance control device with miniature boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210083450.2A CN103317692B (en) | 2012-03-20 | 2012-03-20 | A kind of die temperance control device with miniature boiler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103317692A CN103317692A (en) | 2013-09-25 |
| CN103317692B true CN103317692B (en) | 2016-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210083450.2A Active CN103317692B (en) | 2012-03-20 | 2012-03-20 | A kind of die temperance control device with miniature boiler |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105082482A (en) * | 2014-05-23 | 2015-11-25 | 陈南吉 | Acceleration and pressurization energy saving device for injection molding machine |
| CN106541546B (en) * | 2016-12-07 | 2019-03-22 | 李晓光 | A kind of fast temperature adjusting method of temperature control injection mold |
| CN106493926B (en) * | 2016-12-08 | 2019-07-16 | 川田机械制造(上海)有限公司 | The control method that die heater and its realization boost pressure and temperature match |
| CN107457963A (en) * | 2017-09-14 | 2017-12-12 | 南通市众惠模具有限公司 | A kind of injection mold of conveniently regulating and controlling temperature |
| CN110815869A (en) * | 2019-12-02 | 2020-02-21 | 常州曼淇威轨道交通设备有限公司 | Forming system and forming method of carbon fiber prepreg product |
| CN114074452B (en) * | 2020-08-21 | 2024-03-19 | 汉达精密电子(昆山)有限公司 | Vapor compressed gas combined quenching and rapid heating system and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2301059A (en) * | 1995-05-24 | 1996-11-27 | Ford Motor Co | Resin transfer moulding with controlled heating of resin |
| CN101157267A (en) * | 2007-11-02 | 2008-04-09 | 山东大学 | A attemperation system of highlight weld mark-free plastic mould |
| CN202716448U (en) * | 2012-03-20 | 2013-02-06 | 浙江师范大学 | Mold temperature controller with small boiler |
| JP5367286B2 (en) * | 2008-03-25 | 2013-12-11 | 三菱重工プラスチックテクノロジー株式会社 | Mold heating / cooling control method and apparatus |
-
2012
- 2012-03-20 CN CN201210083450.2A patent/CN103317692B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2301059A (en) * | 1995-05-24 | 1996-11-27 | Ford Motor Co | Resin transfer moulding with controlled heating of resin |
| CN101157267A (en) * | 2007-11-02 | 2008-04-09 | 山东大学 | A attemperation system of highlight weld mark-free plastic mould |
| JP5367286B2 (en) * | 2008-03-25 | 2013-12-11 | 三菱重工プラスチックテクノロジー株式会社 | Mold heating / cooling control method and apparatus |
| CN202716448U (en) * | 2012-03-20 | 2013-02-06 | 浙江师范大学 | Mold temperature controller with small boiler |
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| Publication number | Publication date |
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| CN103317692A (en) | 2013-09-25 |
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