CN103817893A - Temperature control system of injection mold - Google Patents
Temperature control system of injection mold Download PDFInfo
- Publication number
- CN103817893A CN103817893A CN201210464744.XA CN201210464744A CN103817893A CN 103817893 A CN103817893 A CN 103817893A CN 201210464744 A CN201210464744 A CN 201210464744A CN 103817893 A CN103817893 A CN 103817893A
- Authority
- CN
- China
- Prior art keywords
- performance element
- computer board
- injection mold
- control system
- temperature control
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76732—Mould
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a temperature control system of an injection mold. The system is mainly composed of a mold temperature controller, wherein the mold temperature controller comprises a computer board, an instruction input unit, a sensor feedback unit, a display interface, a heating execution unit, a cooling execution unit, a blowing execution unit, a water replenishment execution unit and a stabilized voltage supply; automatic control of a closed loop is realized through set instructions, parameter feedback, program operation and output execution. By adopting the system disclosed by the invention, the defects of large energy consumption and low heat energy utilization rate in the prior art are overcome; the energy-saving hydrothermal highlight seamless temperature control system of the injection mold provided by the invention reaches the objectives of improving heat energy utilization rate, saving energy and reducing consumption on the premise of meeting the function of equivalent process effect.
Description
Technical field
The present invention relates to a kind of temperature control system, specifically point to water heat type high-gloss injection mold heating, cooling and control the injection mold temperature control system of mould-cavity temperature is provided.
Background technology
In injection moulding production process, the temperature of plastic raw materials is the key factor that affects product quality, and it depends primarily on screw in injection molding machine cylinder and the two-part temperature of nozzle.When screw tube excess Temperature, the plastics in cylinder can be degraded; When screw tube temperature is too low, plastics plasticizing is bad, poor fluidity, and product molding performance is bad.The too low meeting of nozzle temperature causes material to stop up at nozzle place, hinders automatically carrying out of injection moulding process.
Being based upon the molten trace injection molding systems technology of Gao Guangwu on the fast cold die cavity injection mo(u)lding theoretical foundation of balanced speed heat, is the new technology growing up in recent years, is a revolution of injection molding technology.High-light no-trace injection-die temperature control system, is to provide heating, cooling, the cold system of control mould-cavity temperature speed heat speed to high-gloss injection mold, is one of element of the molten trace injection molding system of Gao Guangwu.
The highlight non-trace injection mold temperature control system of prior art, comprises die heater control section, heating part, water-cooled part, blow part, moisturizing part.The different phase that high gloss mold is operated in, by die heater control, heating part provides high pressure-temperature carbonated drink heating, water-cooled part to provide that chilled water is cooling, the part of blowing provides the emptying die cavity lamination of compressed air runner, realizes die cavity speed heat speed cold, the high light injection-molded item of injection mo(u)lding.In the prior art, the water filling capacity of the boilers heated electrically of the heating part thermal source link of system is unadjustable, in the time of coupling highlight mould, has the problem of the empty consumption waste of electric energy; Waste heat recovery link adopts multi-stage condensing device, has wasted still available high temperature heat, has the deficiency that heat utilization rate is low; Meanwhile, the water-cooled part low-temperature receiver link of system, because freezing, required electric energy is larger, therefore there is the deficiency of inadequate economical and energy saving; Therefore there are the problems and shortcomings that energy consumption is large, heat utilization rate is low in prior art.
Summary of the invention
The technical problem to be solved in the present invention is to provide the temperature control system for injection mold that can improve heat utilization rate under a kind of prerequisite meeting equal technological effect function.
The temperature control system of a kind of injection mold of the present invention, is mainly made up of die heater, and described die heater comprises computer board and instruction input block thereof, sensory feedback unit, display interface, heating performance element, cooling performance element, air blowing performance element, moisturizing performance element, voltage-stabilized power supply, by given instruction, parameter feedback, sequential operation, output execution realizes closed loop and automatically controls, and is the maincenter control section of system, and wherein, computer board is programmable microcomputer controller, and instruction input block comprises operation keyboard and USB interface, and sensory feedback unit comprises the temperature of the each portion of the system of being arranged on, pressure, level sensor and input interface thereof, the display terminal that display interface is computer board, heating performance element, cooling performance element, air blowing performance element, moisturizing performance element is by relay, A.C. contactor composition, carry out components and parts by the electric power of the each portion of electrical lead drive system, independently power switch performance element of each that is controlled by computer board, voltage-stabilized power supply is for providing the device of electric power to the electric operation of the inner each portion of die heater.
System operation programs is: heating, emptying, cooling, emptying, is cycled to repeat; Moisturizing part is complete to the water filling of high temperature water tank via cooling tower, moisturizing filter, high-pressure hydraulic pump, moisturizing magnetic valve, check valve; Inject the water of high temperature water tank, by high temperature pressurised pump pump into electric boiler, superheater heats, again through the gain of heat that circulates of the circulating electromagnetic valve of circulation gain of heat bypass, high temperature water tank, high temperature pressurised pump, electric boiler, superheater that check valve is got back to pressure-reducing valve, the superheated vapor producing is stored in high temperature water tank and middle electric boiler, and in temperature, pressure arm-to-arm up to standard; Magnetic valves all in system are all in closed condition, and electric boiler and all pump are in controlled open/close states.When highlight mould is in die sinking heating tense, system enters heating schedule; When highlight mould enters mold-closing injection tense, system enters emptying, cooling program; When steam-heat and high-light mould enters die sinking demoulding tense, system enters emptying and heating schedule again; Emptying: the controlled cooling electric magnet valve of closing water-cooled part of cooling performance element of die heater, cooling water cut-off, the air blowing magnetic valve of the controlled unlatching air blowing of air blowing performance element part, compressed air enters combiner controlling unit by compressed air source, air blowing magnetic valve; Moisturizing: die heater is according to the input instruction of storage and the feedback of level sensor that is arranged on high temperature water tank, and through computing, output control signal, by the moisturizing magnetic valve of moisturizing performance element open system moisturizing part.
The present invention has overcome the problems and shortcomings that energy consumption is large, heat utilization rate is low that prior art exists, a kind of energy-saving type highlight non-trace injection mold temperature control system providing, meeting under the prerequisite of equal technological effect function, reaching and improved heat utilization rate, energy-saving and cost-reducing object.
Accompanying drawing explanation
Fig. 1 is the functional-block diagram of the die heater of the temperature control system of a kind of injection mold of the present invention.
The specific embodiment
As shown in Figure 1, a kind of temperature control system of injection mold, is mainly made up of die heater, and described die heater comprises computer board and instruction input block thereof, sensory feedback unit, display interface, heating performance element, cooling performance element, air blowing performance element, moisturizing performance element, voltage-stabilized power supply, by given instruction, parameter feedback, sequential operation, output execution realizes closed loop and automatically controls, and is the maincenter control section of system, and wherein, computer board is programmable microcomputer controller, and instruction input block comprises operation keyboard and USB interface, and sensory feedback unit comprises the temperature of the each portion of the system of being arranged on, pressure, level sensor and input interface thereof, the display terminal that display interface is computer board, heating performance element, cooling performance element, air blowing performance element, moisturizing performance element is by relay, A.C. contactor composition, carry out components and parts by the electric power of the each portion of electrical lead drive system, independently power switch performance element of each that is controlled by computer board, voltage-stabilized power supply is for providing the device of electric power to the electric operation of the inner each portion of die heater.
System operation programs is: heating, emptying, cooling, emptying, is cycled to repeat; Moisturizing part is complete to the water filling of high temperature water tank via cooling tower, moisturizing filter, high-pressure hydraulic pump, moisturizing magnetic valve, check valve; Inject the water of high temperature water tank, by high temperature pressurised pump pump into electric boiler, superheater heats, get back to pressure-reducing valve to the gain of heat that circulates of high temperature water tank, high temperature pressurised pump, electric boiler, superheater through circulating electromagnetic valve, the check valve of circulation gain of heat bypass again, the HTHP steam mixture fluid producing, be stored in high temperature water tank and middle electric boiler, and in temperature, pressure arm-to-arm up to standard; Magnetic valves all in system are all in closed condition, and electric boiler and all pump are in controlled open/close states.When highlight mould is in die sinking heating tense, system enters heating schedule; When highlight mould enters mold-closing injection tense, system enters emptying, cooling program; When steam-heat and high-light mould enters die sinking demoulding tense, system enters emptying and heating schedule again; Emptying: the controlled cooling electric magnet valve of closing water-cooled part of cooling performance element of die heater, cooling water cut-off, the air blowing magnetic valve of the controlled unlatching air blowing of air blowing performance element part, compressed air enters combiner controlling unit by compressed air source, air blowing magnetic valve; Moisturizing: die heater is according to the input instruction of storage and the feedback of level sensor that is arranged on high temperature water tank, by the moisturizing magnetic valve of moisturizing performance element open system moisturizing part.
Claims (1)
1. a temperature control system for injection mold, is mainly made up of die heater, it is characterized in that: described die heater comprises computer board and instruction input block thereof, sensory feedback unit, display interface, heating performance element, cooling performance element, air blowing performance element, moisturizing performance element, voltage-stabilized power supply, by given instruction, parameter feedback, sequential operation, output execution realizes closed loop and automatically controls, and is the maincenter control section of system, and wherein, computer board is programmable microcomputer controller, and instruction input block comprises operation keyboard and USB interface, and sensory feedback unit comprises the temperature of the each portion of the system of being arranged on, pressure, level sensor and input interface thereof, the display terminal that display interface is computer board, heating performance element, cooling performance element, air blowing performance element, moisturizing performance element is by relay, A.C. contactor composition, carry out components and parts by the electric power of the each portion of electrical lead drive system, independently power switch performance element of each that is controlled by computer board, voltage-stabilized power supply is for providing the device of electric power to the electric operation of the inner each portion of die heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464744.XA CN103817893A (en) | 2012-11-17 | 2012-11-17 | Temperature control system of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210464744.XA CN103817893A (en) | 2012-11-17 | 2012-11-17 | Temperature control system of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103817893A true CN103817893A (en) | 2014-05-28 |
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| CN201210464744.XA Pending CN103817893A (en) | 2012-11-17 | 2012-11-17 | Temperature control system of injection mold |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313464A (en) * | 2016-08-23 | 2017-01-11 | 柳州煜华科技有限公司 | Intelligent temperature control device for injection molding machine |
| CN109664450A (en) * | 2019-02-14 | 2019-04-23 | 厦门石地医疗科技有限公司 | The method that leaching creeping quadratic method and device and leaching are moulded into type Miniature precision device |
| CN109693355A (en) * | 2018-12-26 | 2019-04-30 | 海天塑机集团有限公司 | A kind of die temperance control method and system of injection molding machine |
-
2012
- 2012-11-17 CN CN201210464744.XA patent/CN103817893A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106313464A (en) * | 2016-08-23 | 2017-01-11 | 柳州煜华科技有限公司 | Intelligent temperature control device for injection molding machine |
| CN109693355A (en) * | 2018-12-26 | 2019-04-30 | 海天塑机集团有限公司 | A kind of die temperance control method and system of injection molding machine |
| CN109664450A (en) * | 2019-02-14 | 2019-04-23 | 厦门石地医疗科技有限公司 | The method that leaching creeping quadratic method and device and leaching are moulded into type Miniature precision device |
| CN109664450B (en) * | 2019-02-14 | 2020-10-30 | 厦门石地医疗科技有限公司 | Plastic dipping leveling method and device and method for dip molding miniature precision device |
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Application publication date: 20140528 |