CN101889721A - Screw temperature control system of double mixing area extruder - Google Patents

Screw temperature control system of double mixing area extruder Download PDF

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Publication number
CN101889721A
CN101889721A CN2009100515717A CN200910051571A CN101889721A CN 101889721 A CN101889721 A CN 101889721A CN 2009100515717 A CN2009100515717 A CN 2009100515717A CN 200910051571 A CN200910051571 A CN 200910051571A CN 101889721 A CN101889721 A CN 101889721A
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heating
temperature
screw
mixer
heating resistor
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CN2009100515717A
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Chinese (zh)
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刘�英
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Shanghai Yichen Information Technology Development Co Ltd
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Shanghai Yichen Information Technology Development Co Ltd
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Abstract

The invention discloses a screw heating temperature control device of a double mixing area extruder. The device comprises a heating system, a temperature compensation system, a temperature measurement system and a control system. The extruder screw comprises a first screw group and a second screw group; and the first screw group and the second screw group comprise a first main screw, a first secondary screw, a second main screw and a second secondary screw respectively. The control system of each screw comprises a heating control unit, a temperature compensation control unit, a temperature measurement control unit and a master control unit. The heating system comprises a plurality of heating resistors and a plurality of heating voltage transformation power supplies which are interconnected, wherein the plurality of heating voltage transformation power supplies are electrically connected with the heating control unit. The temperature compensation system comprises a temperature compensation device and a temperature compensation voltage transformation power supply which are interconnected, wherein the temperature compensation voltage transformation power supply is electrically connected with the temperature compensation control unit. The temperature measurement system comprises a temperature sensor which is electrically connected with the temperature measurement control unit. The screw heating temperature control device can heat materials in different mixing areas in different degrees.

Description

Screw temperature control system of double mixing area extruder
Technical field
The present invention relates to a kind of screw temperature control system, particularly a kind of screw temperature control system of double mixing area extruder.
Background technology
Along with increase day by day to the requirement of the nutrition of food, the bread basket and the production method thereof of various composite nutrients are also developing by leaps and bounds, from the pre-steaming method technology of early stage acid, directly soak technologies such as suction method and coating method, develop into nowadays more complete:, obtain the technological process of multi-nutrient fortification composite cereal at last from cereal pulverizing → preliminary treatment → mix with nutrient → push → excision forming → drying → screening → join rice in proportion.
And the step of extruding-excision forming wherein is the important step in the production process, single screw rod or the twin (double) screw extruder generally taked, the hydrate of cereal powder is pushed the back by certain shape mould, obtain the cereals of needed shape, size through cutting, and on corresponding conveyer belt, carry, until check and packaging step.
Simultaneously, because the techniqueflow of extrusion modling process can be processed into cereal the product with certain puffed degree and mellowness, be applicable to products such as various food, nourishing additive agent, animal feed.
International open text WO01/72151 discloses a kind of incorporate composite cereal mixing, extruding, former.Comprise raw material blending device, twin (double) screw extruder, extrusion device, excision forming equipment.Raw material blending device wherein and twin (double) screw extruder link to each other by the vertical transport pipeline that is communicated with, and be provided with control valve in pipelines, to adjust speed and the product efficiency that the premix raw material enters extruder.Be arranged in parallel in the twin (double) screw extruder screw rod of two mutual interlocks of screw thread rotates in opposite directions, makes the material of from top to bottom carrying can carry out compacting fully and conveying.End at extruder has extrusion dish, offer a plurality of extrusion cavities on the extrusion dish, be close to the extrusion cavities place and be provided with cutter sweep, the strip-shaped materials that squeezes out can be cut into needed strip, granular or sheet products, to meet the needs of various cereal joint products.
U.S. Pat 5350585 discloses a kind of double-screw structure of extruder.Described double-screw structure is divided into multistage, and its thread density is all inconsistent, to cooperate the needs in each stage in the extrusion process.Simultaneously, also offer the cavity in the screw rod, so that material fully mixes in screw extruder.
Yet traditional screw rod extruding excision forming machine still has some shortcomings:
1, the product that obtains of traditional extruding cutting equipment directly carries out the heating, drying step, yet but tends in baking step and since the product that contains moisture suddenly dehydration cause product surface to break or pulverize, cause the yield rate reduction.
2, the output of traditional extrusion formation equipment and productive rate are difficult to be greatly improved.
3, the screw rod of traditional screw extruder directly is positioned in the cavity of ellipse or circular cross-section, and in extruding and the course of conveying, material is easy to pile up in some position generation, thereby squeezing effect is reduced again.
4, packing phenomenon is often arranged in the screw rod cavity, and these deposits of failing for a long time fully to be pushed can condense into piece after after a while, thereby influence the uniformity coefficient of integral product output efficiency and product, need often cleaning.Yet the screw rod of traditional twin (double) screw extruder is changed the process difficulty, and after shutting down, screw rod still can produce mechanical rotation because of the structure of mutual interlock, causes the accident easily.
5, last, in the process of preparation reconstituted rice, gelatine can take place in the material that water and ground rice mix under heating condition, existing conventional extruder not only can't produce suitable gelatine degree also can't solve the problem that material viscosity that gelatine brings increases, yet the control heating-up temperature that existing extruder can't be good, control gelatine degree.
In view of above-mentioned weak point, the invention discloses a kind of screw temperature control system of double mixing area extruder, it has technical characterictic as mentioned below, to solve the prior art problem.
Summary of the invention
The invention discloses a kind of screw temperature control system of double mixing area extruder, it belongs to dual mixing zone extruder screw heating and temperature controlling device, the latter comprises heating system, temperature compensation system, temp measuring system and temperature control system, i.e. screw temperature control system of double mixing area extruder.
Described extruder screw comprises first screw rod group and second screw rod group, and the two lays respectively in first hybrid chamber and second hybrid chamber that first inner cavity and second inner cavity surrounded.
Described first screw rod group and second screw rod group all comprise a driving screw and a sub-screw, and the two is meshing with each other.First driving screw of described first screw rod group is identical with the structure of second driving screw of second screw rod group.First sub-screw of described first screw rod group is identical with the structure of second sub-screw of second screw rod group.
Described first driving screw and second driving screw comprise linkage section, adiabatic distance piece, premixed section, heating mixer, material transfer section and discharging section respectively;
Described first sub-screw and second sub-screw comprise linkage section, adiabatic distance piece, premixed section, heating mixer and defeated material section respectively;
Described adiabatic distance piece is the helicitic texture of being made by heat-insulating material, and described premixed section, heating mixer, defeated material section, material transfer section and discharging section are the helicitic textures of being made by Heat Conduction Material.
Each corresponding linkage section of described first driving screw and first sub-screw, each corresponding adiabatic distance piece, each corresponding premixed section, each corresponding heating mixer are meshing with each other.Each corresponding linkage section of described second driving screw and second sub-screw, each corresponding adiabatic distance piece, each corresponding premixed section, each corresponding heating mixer are meshing with each other.
The defeated material section of described first sub-screw is tapered, with first driving screw gradually the material transfer section of chap be meshing with each other and stop thereon.The defeated material section end of described second sub-screw is tapered, with second driving screw gradually the material transfer section of chap be meshing with each other and stop thereon.The discharging section of the discharging section of described first driving screw and second driving screw is meshing with each other.
Described discharging section is to spin the shape structure of hanging down, be positioned at the terminal of driving screw and link to each other with described material transfer section, and the position terminad of described discharging section from linking to each other with the material transfer section, diameter increases gradually, thereby the discharging section that makes the discharging section of the driving screw of winning and second driving screw is meshing with each other and keeps this diameter, and diameter reduces gradually subsequently.
Described first driving screw and second driving screw are followed successively by premixed section, heating mixer, material transfer section and discharging section respectively from its front end to its end, be provided with adiabatic distance piece or linkage section between the two arbitrarily in above-mentioned each section, or be provided with adiabatic distance piece and linkage section simultaneously.
Described first sub-screw and second sub-screw are followed successively by premixed section, heating mixer and defeated material section respectively from its front end to its end, be provided with adiabatic distance piece or linkage section between the two arbitrarily in above-mentioned each section, or be provided with adiabatic distance piece and linkage section simultaneously.
Described each linkage section, adiabatic distance piece, premixed section, heating mixer, defeated material section, material transfer section and discharging section are hollow structure, and its inside has respectively and is interconnected and coaxial axocoel, axocoel, axocoel, axocoel, axocoel, axocoel and axocoel.
Described heating system comprises the first driving screw heating system, the second driving screw heating system, the first sub-screw heating system and the second sub-screw heating system.
The described first driving screw heating system and the second driving screw heating system comprise at least 1 first heating resistor, at least 1 second heating resistor, the 4th heating resistor, terminal heating resistor and path respectively.Described path is the hollow structure of being made by adiabatic insulating materials, and its inside is provided with the many groups heater circuit that links to each other with the external world, is used for to being positioned at the path outside and each heating resistor power supply interconnective with it.
The described first driving screw heating system and the second driving screw heating system further comprise at least 1 first heating variable-voltage power supply, at least 1 second heating variable-voltage power supply, the 4th heating variable-voltage power supply and terminal heating variable-voltage power supply respectively, and above-mentioned each variable-voltage power supply is positioned at shell outside, chamber, and the heater circuit by separately and at least 1 first heating resistor, at least 1 second heating resistor, the 4th heating resistor, terminal heating resistor interconnect and respectively to separately heating resistor power supply respectively.
The described first sub-screw heating system and the second sub-screw heating system comprise at least 1 first heating resistor, at least 1 second heating resistor, the 3rd heating resistor and path respectively.Described path is the hollow structure of being made by adiabatic insulating materials, and its inside is provided with the many groups heater circuit that links to each other with the external world, is used for to being positioned at the path outside and each heating resistor power supply interconnective with it.
The described first sub-screw heating system and the second sub-screw heating system further comprise at least 1 first heating variable-voltage power supply, at least 1 second heating variable-voltage power supply and the 3rd heating variable-voltage power supply respectively, and above-mentioned each variable-voltage power supply is positioned at shell outside, chamber, and the heater circuit by separately and at least 1 first heating resistor, at least 1 second heating resistor, the 3rd heating resistor interconnect and respectively to separately heating resistor power supply respectively.
Described temperature compensation system comprises the first driving screw temperature compensation system, the second driving screw temperature compensation system, the first sub-screw temperature compensation system and the second sub-screw temperature compensation system.
Described each extruder temperature bucking-out system comprises at least 1 temperature compensation means and at least 1 temperature-compensating variable-voltage power supply respectively, and described temperature-compensating variable-voltage power supply is connected with temperature compensation means by circuit and powers to its resistance.
Described temp measuring system comprises the first driving screw temp measuring system, the second driving screw temp measuring system, the first sub-screw temp measuring system and the second sub-screw temp measuring system.
Described each screw rod temp measuring system comprises at least 1 temperature sensor respectively.
Described control system comprises the first driving screw control system, the second driving screw control system, the first sub-screw control system and the second sub-screw control system.Described each screw rod control system comprises respectively and adds thermal control units, function of temperature compensation control unit, thermometric control module and master control unit.
The master control unit of the described first driving screw control system, the second driving screw control system, the first sub-screw control system and the second sub-screw control system is respectively master control unit, master control unit, master control unit and master control unit, above-mentioned each master control unit link control module.
The first heating variable-voltage power supply of described each screw rod, the second heating variable-voltage power supply, the 3rd heating variable-voltage power supply, the 4th heating variable-voltage power supply and terminal heating variable-voltage power supply are electrically connected respectively and add thermal control units, and respectively with its bi-directional transfer of data.
The temperature-compensating variable-voltage power supply of described each screw rod is electrically connected the function of temperature compensation control unit, and with its bi-directional transfer of data.
In described each screw rod heating system,, described path is positioned at each axocoel axle center and passes each axocoel successively.
Described first heating resistor, second heating resistor, the 3rd heating resistor the 4th heating resistor and terminal heating resistor lay respectively at the inside of axocoel, axocoel, axocoel, axocoel and axocoel, heat premixed section, heating mixer, defeated material section, material transfer section and discharging section respectively.
The described first heating variable-voltage power supply, the second heating variable-voltage power supply, the 3rd heating variable-voltage power supply, the 4th heating variable-voltage power supply and terminal heating variable-voltage power supply are positioned at the axle housing outside.
First heating resistor of described first driving screw, second heating resistor, the 4th heating resistor first heating resistor, second heating resistor, the 3rd heating resistor temperature with first sub-screw respectively are identical, and the temperature of each heating resistor is followed successively by from small to large, first heating resistor, second heating resistor, the 3rd heating resistor and the 4th heating resistor.
First heating resistor of described second driving screw, second heating resistor, the 4th heating resistor first heating resistor, second heating resistor, the 3rd heating resistor temperature with second sub-screw respectively are identical, and the temperature of each heating resistor is followed successively by from small to large, first heating resistor, second heating resistor, the 3rd heating resistor and the 4th heating resistor.
The terminal heating resistor temperature of the terminal heating resistor of described first driving screw and second driving screw equates.
Described heating system comprises 2 second heating resistors at least, and the heater circuit that each second heating resistor passes through respectively separately links to each other with its corresponding separately second heating variable-voltage power supply.
The temperature of described each second heating resistor is identical, and perhaps the temperature along each second heating resistor on the direction of the first resistance terminad heating resistor raises gradually.
Described temperature compensation means is an arc structure, is looped around the described inner housing outside, and is close to its outer surface, to carry out heat exchange with inner housing; Described temperature compensation means is made by Heat Conduction Material, and by its resistance heated, resistance connects the temperature-compensating variable-voltage power supply by circuit; Described temperature compensation means is positioned at the inner housing outside and the corresponding position of adiabatic distance piece, thereby the material at adiabatic distance piece place is heated.
Described temperature sensor is positioned at the inner housing outside and described premixed section, heating mixer, defeated material section, material transfer section and the corresponding position of discharging section, with the temperature of corresponding each mixer of measurement.
The control system of described screw heating and temperature controlling device is a kind of temperature control system, comprises adding thermal control units, function of temperature compensation control unit, thermometric control module and master control unit.The described thermal control units, function of temperature compensation control unit, thermometric control module of adding is electrically connected the master control unit respectively, and respectively with its bi-directional transfer of data.
Described temperature control system comprises the first driving screw temperature control system, the second driving screw temperature control system, the first sub-screw temperature control system, second sub-screw temperature control system and the control module.
Above-mentioned each screw temperature control system comprises respectively and adds thermal control units, function of temperature compensation control unit, thermometric control module, master control unit.The add thermal control units, function of temperature compensation control unit, thermometric control module of described each screw rod are electrically connected the master control unit respectively, and respectively with its bi-directional transfer of data.
The master control unit of the described first driving screw temperature control system, the second driving screw temperature control system, the first sub-screw temperature control system and the second sub-screw temperature control system, master control unit, master control unit and master control unit be link control module respectively.
The master control unit and the master control unit of described first driving screw and second driving screw read prefabricated data respectively, according at least 1 premixed section of described screw rod, at least 1 heating mixer, material transfer section with discharging section is temperature required and each resistance value of at least 1 first heating resistor, at least 1 second heating resistor, the 4th heating resistor, terminal heating resistor, determine the required heating voltage of each heating resistor, and gained heating voltage data are sent to the corresponding thermal control units that adds.
The described thermal control units that adds is according to gained heating voltage data, open and adjust the voltage of at least 1 first heating variable-voltage power supply, at least 1 second heating variable-voltage power supply, the 4th heating variable-voltage power supply and terminal heating variable-voltage power supply, thus by corresponding heater circuit to corresponding at least 1 first heating resistor, at least 1 second heating resistor, the 4th heating resistor, the power supply of terminal heating resistor.
Described at least 1 first heating resistor, at least 1 second heating resistor, the 4th heating resistor, terminal heating resistor are being switched under the voltage separately, heat corresponding at least 1 premixed section, at least 1 heating mixer, material transfer section and discharging section respectively.
The master control unit and the master control unit of described first sub-screw and second sub-screw read prefabricated data respectively, according at least 1 premixed section of described screw rod, at least 1 heating mixer with defeated material section is temperature required and each resistance value of at least 1 first heating resistor, at least 1 second heating resistor and the 3rd heating resistor, determine the required heating voltage of each heating resistor, and gained heating voltage data are sent to the corresponding thermal control units that adds.
The described thermal control units that adds is according to gained heating voltage data, open and adjust the voltage of at least 1 first heating variable-voltage power supply, at least 1 second heating variable-voltage power supply and the 3rd heating variable-voltage power supply, thus by corresponding heater circuit to corresponding at least 1 first heating resistor, at least 1 second heating resistor and the 3rd heating resistor.
Described at least 1 first heating resistor, at least 1 second heating resistor and the 3rd heating resistor are being switched under the voltage separately, heat corresponding at least 1 premixed section, at least 1 heating mixer and defeated material section respectively.
The master control unit of described each screw rod reads prefabricated data, periodically transmits thermometric and instructs to the thermometric control module.Described thermometric control module is opened temperature sensor after receiving the thermometric instruction.
Described temperature sensor is positioned at the corresponding position of mixer of inner housing outside and each screw rod, reads the temperature of each relevant position, thereby obtains the temperature of charge of corresponding mixer.Described temperature sensor is sent to the thermometric control module with measured temperature of charge data, and the thermometric control module is with the corresponding thermometric control module that is sent to each screw rod of these temperature of charge data.
The master control unit of described each screw rod reads the temperature of charge that prefabricated data and thermometric control module record, resistance according to described at least 1 temperature compensation means, determine required bucking voltage, and gained bucking voltage data are sent to the function of temperature compensation control unit.
The voltage of at least 1 temperature-compensating variable-voltage power supply is opened and adjusted in described function of temperature compensation control unit according to gained bucking voltage data, thereby by related circuit corresponding at least 1 temperature compensation means is powered.Described at least 1 temperature compensation means is switched under each voltage, heats the inner housing outside and at least 1 corresponding position of adiabatic distance piece respectively, thereby the material at each adiabatic distance piece place is heated.
The master control unit of described first driving screw and second driving screw and master control unit read the temperature of charge that prefabricated data and thermometric control module record, each resistance value according at least 1 first heating resistor, at least 1 second heating resistor, the 4th heating resistor, terminal heating resistor, adjust the required heating voltage of each heating resistor, and gained heating voltage data are sent to add thermal control units.
The described thermal control units that adds is adjusted the voltage of at least 1 first heating variable-voltage power supply, at least 1 the second heating variable-voltage power supply, the 4th heating variable-voltage power supply and terminal heating variable-voltage power supply according to gained heating voltage data.
Described at least 1 first heating resistor, at least 1 second heating resistor, the 4th heating resistor, terminal heating resistor are switched under adjusted voltage separately, heat corresponding at least 1 premixed section, at least 1 heating mixer, material transfer section and discharging section respectively.
The master control unit of described first sub-screw and second sub-screw and master control unit read the temperature of charge that prefabricated data and thermometric control module record, each resistance value according at least 1 first heating resistor, at least 1 second heating resistor, the 3rd heating resistor, adjust the required heating voltage of each heating resistor, and gained heating voltage data are sent to add thermal control units.
The described thermal control units that adds is according to gained heating voltage data, adjusts the voltage of at least 1 first heating variable-voltage power supply, at least 1 second heating variable-voltage power supply, the 3rd heating variable-voltage power supply.
Described at least 1 first heating resistor, at least 1 second heating resistor, the 3rd heating resistor are switched under adjusted voltage separately, heat corresponding at least 1 premixed section, at least 1 heating mixer and defeated material section respectively.
The master control unit of described each screw rod is from respectively adding the heating voltage that thermal control units reads each heating resistor, thereby determine the resistance temperature of each first heating resistor, second heating resistor, the 3rd heating resistor, the 4th heating resistor and terminal heating resistor, this resistance temperature is the theoretical heating-up temperature of each premixed section, heating mixer, defeated material section, material transfer section and discharging section that each heating resistor heated.
The master control unit of described each screw rod reads the temperature of charge of each section from each thermometric control module, thereby determines the temperature of charge of each premixed section, heating mixer, defeated material section, material transfer section and discharging section.
The master control unit of described each screw rod reads prefabricated data, determines that each premixed section, heating mixer, defeated material section, material transfer section and discharging section are temperature required.
The master control unit of described each screw rod is according to each premixed section, the heating mixer, defeated material section, the heating-up temperature of arbitrary mixer (T adds) in material transfer section and the discharging section, temperature of charge (T thing) and temperature required (T needs), determine the heating-up temperature (T adds) and the compensation temperature (T benefit) of required adjustment, subsequently according to the resistance of each heating resistor and each temperature compensation means, determine required adjustment this mixer the heating voltage (V adds) of corresponding heating resistor and the bucking voltage (V benefit) of corresponding temperature compensation means, thereby adjust the heating-up temperature and the compensation temperature of this mixer, finally adjust the temperature of charge of this mixer.
The relevant temperature compensation arrangement of described this mixer is the pairing temperature compensation means of adiabatic distance piece adjacent with this mixer and that material flowed to.
The relevant temperature compensation arrangement of described this mixer is the pairing temperature compensation means of adiabatic distance piece adjacent with this mixer and that material flowed to.
Below, will be described further by specific embodiment, yet embodiment only is giving an example of alternative embodiment of the present invention that its disclosed feature only is used for explanation and sets forth technical scheme of the present invention, and is not intended to limit the scope of the invention.
Description of drawings
Fig. 1 is the vertical view of extruder screw of the present invention.
Fig. 2 a is the extruder screw of the present invention longitudinal section cutaway view of the last period.
Fig. 2 b is one section a longitudinal section cutaway view behind the extruder screw of the present invention.
Fig. 3 is the structural representation of extruder screw of the present invention.
Fig. 4 a and 4b are the cross-section structure views of one of extruder screw of the present invention.
Fig. 5 a and 5b are two cross-section structure views of extruder screw of the present invention.
Fig. 6 a is one of screw rod temperature-controlling system of screw heating and temperature controlling device of the present invention.
Fig. 6 b be screw heating and temperature controlling device of the present invention the screw rod temperature-controlling system two.
Fig. 7 is the screw rod temperature-controlling system of screw heating and temperature controlling device of the present invention.
Fig. 8 is the structural representation with extruder of heating and temperature controlling device of the present invention and system.
The specific embodiment
According to claim of the present invention and the disclosed content of specification, technical scheme of the present invention is specific as follows described:
Embodiment one:
The screw extruder that uses described screw heating and temperature controlling device and temperature-controlling system has as shown in Figure 8 as Fig. 1, Fig. 2 a and 2b, and meshing relation as shown in Figure 3 between its each screw rod.Below with reference to Fig. 1, Fig. 2 a and 2b and Fig. 3, further set forth screw heating and temperature controlling device of the present invention and temperature-controlling system thereof.
Described extruder screw comprises first screw rod group and second screw rod group, and the two lays respectively among the first hybrid chamber 23a and the second hybrid chamber 23b that the first inner cavity 22a and the second inner cavity 22b surrounded.Described first screw rod group and second screw rod group all comprise a driving screw and a sub-screw, and the two is meshing with each other.The structure of first driving screw 41a of described first screw rod group and the second driving screw 41b of second screw rod group is identical.The structure of first sub-screw 42a of described first screw rod group and the second sub-screw 42b of second screw rod group is identical.The described first driving screw 41a and the second driving screw 41b comprise linkage section 51, adiabatic distance piece 52, premixed section 53, heating mixer 54, material transfer section 56 and discharging section 57 respectively.The described first sub-screw 42a and the second sub-screw 42b comprise linkage section 51, adiabatic distance piece 52, premixed section 53, heating mixer 54 and defeated material section 55 respectively.Described adiabatic distance piece 52 is helicitic textures of being made by heat-insulating material, and described premixed section 53, heating mixer 54, defeated material section 55, material transfer section 56 and discharging section 57 are helicitic textures of being made by Heat Conduction Material.Each corresponding linkage section 51 of the described first driving screw 41a and the first sub-screw 42a, each corresponding adiabatic distance piece 52, each corresponding premixed section 53, each corresponding heating mixer 54 are meshing with each other.Each corresponding linkage section 51 of the described second driving screw 41b and the second sub-screw 42b, each corresponding adiabatic distance piece 52, each corresponding premixed section 53, each corresponding heating mixer 54 are meshing with each other.The defeated material section 55 of the described first sub-screw 42a is tapered, with the first driving screw 41a gradually the material transfer section 56 of chap be meshing with each other and stop thereon.Defeated material section 55 ends of the described second sub-screw 42b are tapered, with the second driving screw 41b gradually the material transfer section 56 of chap be meshing with each other and stop thereon.The discharging section 57 of the described first driving screw 41a and the discharging section 57 of the second driving screw 41b are meshing with each other.Described discharging section 57 is to spin the shape structure of hanging down, be positioned at the terminal of driving screw and link to each other with described material transfer section 56, and the position terminad of described discharging section 57 from linking to each other with material transfer section 56, diameter increases gradually, thereby the discharging section 57 that makes the discharging section 57 of the driving screw 41a that wins and the second driving screw 41b is meshing with each other and keeps this diameter, and diameter reduces gradually subsequently.The described first driving screw 41a and the second driving screw 41b are followed successively by premixed section 53, heating mixer 54, material transfer section 56 and discharging section 57 respectively from its front end to its end, be provided with adiabatic distance piece 52 or linkage section 51 between the two arbitrarily in above-mentioned each section, or be provided with adiabatic distance piece 52 and linkage section 51 simultaneously.The described first sub-screw 42a and the second sub-screw 42b are followed successively by premixed section 53, heating mixer 54 and defeated material section 55 respectively from its front end to its end, be provided with adiabatic distance piece 52 or linkage section 51 between the two arbitrarily in above-mentioned each section, or be provided with adiabatic distance piece 52 and linkage section 51 simultaneously.Described each linkage section 51, adiabatic distance piece 52, premixed section 53, heating mixer 54, defeated material section 55, material transfer section 56 and discharging section 57 are hollow structure, and its inside has respectively and is interconnected and coaxial axocoel 61, axocoel 62, axocoel 63, axocoel 64, axocoel 65, axocoel 66 and axocoel 67.Described screw heating and temperature controlling device comprises heating system, temperature compensation system, temp measuring system and temperature control system.The structure of described heating and temperature controlling device is referring to Fig. 4 a, 4b, Fig. 5 a, 5b.Described heating system comprises the first driving screw heating system, the second driving screw heating system, the first sub-screw heating system and the second sub-screw heating system.The described first driving screw heating system and the second driving screw heating system comprise 73, at least 1 second heating resistor of at least 1 first heating resistor 74, the 4th heating resistor 76, terminal heating resistor 77 and path 70 respectively.Described path 70 is hollow structures of being made by adiabatic insulating materials, and its inside is provided with the many groups heater circuit that links to each other with the external world, is used for to being positioned at path 70 outsides and each heating resistor power supply interconnective with it.The described first driving screw heating system and the second driving screw heating system further comprise at least 1 first heating variable-voltage power supply 73 ', at least 1 the second heating variable-voltage power supply 74 ', the 4th heating variable-voltage power supply 76 ' and terminal heating variable-voltage power supply 77 ' respectively, above-mentioned each variable-voltage power supply be positioned at chamber shell 22a, 22b and 22 outsides respectively the heater circuit by separately and 73, at least 1 second heating resistor of at least 1 first heating resistor 74, the 4th heating resistor 76, terminal heating resistor 77 interconnects and respectively to separately heating resistor power supply.The described first sub-screw heating system and the second sub-screw heating system comprise 73, at least 1 second heating resistor of at least 1 first heating resistor 74, the 3rd heating resistor 75 and path 70 respectively.Described path 70 is hollow structures of being made by adiabatic insulating materials, and its inside is provided with the many groups heater circuit that links to each other with the external world, is used for to being positioned at path 70 outsides and each heating resistor power supply interconnective with it.The described first sub-screw heating system and the second sub-screw heating system further comprise at least 1 first heating variable-voltage power supply 73 ', at least 1 second heating variable-voltage power supply 74 ' and the 3rd heating variable-voltage power supply 75 ' respectively, above-mentioned each variable-voltage power supply be positioned at chamber shell 22a, 22b and 22 outsides respectively the heater circuit by separately and 73, at least 1 second heating resistor of at least 1 first heating resistor 74, the 3rd heating resistor 75 interconnects and power to heating resistor separately respectively.Described temperature compensation system comprises the first driving screw temperature compensation system, the second driving screw temperature compensation system, the first sub-screw temperature compensation system and the second sub-screw temperature compensation system.Described each extruder temperature bucking-out system comprises at least 1 temperature compensation means 77 and at least 1 temperature-compensating variable-voltage power supply 77 ' respectively, and described temperature-compensating variable-voltage power supply 77 ' is connected with temperature compensation means 77 by circuit and powers to its resistance.Described temp measuring system comprises the first driving screw temp measuring system, the second driving screw temp measuring system, the first sub-screw temp measuring system and the second sub-screw temp measuring system.Described each screw rod temp measuring system comprises at least 1 temperature sensor 78 respectively.Described temperature control system comprises the first driving screw temperature control system, the second driving screw temperature control system, the first sub-screw temperature control system and the second sub-screw temperature control system.Described each screw temperature control system comprises respectively and adds thermal control units 79-1, function of temperature compensation control unit 79-2, thermometric control module 79-3 and master control unit 79.The master control unit of the described first driving screw temperature control system, the second driving screw temperature control system, the first sub-screw temperature control system and the second sub-screw temperature control system is respectively master control unit 79a, master control unit 79b, master control unit 79a ' and master control unit 79b ', above-mentioned each master control unit link control module 79 '.The first heating variable-voltage power supply 73 ' of described each screw rod, the second heating variable-voltage power supply 74 ', the 3rd heating variable-voltage power supply 75 ', the 4th heating variable-voltage power supply 76 ' and terminal heating variable-voltage power supply 76 ' are electrically connected respectively and add thermal control units 79-1, and respectively with its bi-directional transfer of data.The temperature-compensating variable-voltage power supply 77 ' of described each screw rod is electrically connected function of temperature compensation control unit 79-2, and with its bi-directional transfer of data.The temperature sensor 78 of described each screw rod is electrically connected thermometric control module 79-3, and with its bi-directional transfer of data.The described first driving screw 41a, the second driving screw 41b, the first sub-screw 42a and the second sub-screw 42b add thermal control units 79-1, function of temperature compensation control unit 79-2, thermometric control module 79-3 is electrically connected corresponding master control unit 79a, 79b, 79a ', 79b ' respectively, and respectively with its bi-directional transfer of data.In the heating system of described each screw rod, described path 70 is positioned at each axocoel axle center and passes each axocoel successively.Described first heating resistor 73, second heating resistor 74, the 3rd heating resistor 75 the 4th heating resistor 76 and terminal heating resistor 77 lay respectively at the inside of axocoel 63, axocoel 64, axocoel 65, axocoel 66 and axocoel 67, heat premixed section 53, heating mixer 54, defeated material section 55, material transfer section 56 and discharging section 57 respectively.The described first heating variable-voltage power supply 73 ', the second heating variable-voltage power supply 74 ', the 3rd heating variable-voltage power supply 75 ', the 4th heating variable-voltage power supply 76 ' and terminal heating variable-voltage power supply 77 ' are positioned at the axle housing outside.First heating resistor 73 of the described first driving screw 41a, second heating resistor 74, the 4th heating resistor 76 first heating resistor 73, second heating resistor 74, the 3rd heating resistor temperature with the first sub-screw 42a respectively are identical, and the temperature of each heating resistor is followed successively by from small to large, first heating resistor 73, second heating resistor 74, the 3rd heating resistor 75 and the 4th heating resistor 76.First heating resistor 73 of the described second driving screw 41b, second heating resistor 74, the 4th heating resistor 76 first heating resistor 73, second heating resistor 74, the 3rd heating resistor temperature with the second sub-screw 42b respectively are identical, and the temperature of each heating resistor is followed successively by from small to large, first heating resistor 73, second heating resistor 74, the 3rd heating resistor 75 and the 4th heating resistor 76.Terminal heating resistor 76 temperature of the terminal heating resistor 77 of the described first driving screw 41a and the second driving screw 41b equate.Described heating system comprises 2 second heating resistors 74 at least, and the heater circuit that each second heating resistor 74 passes through respectively separately links to each other with its corresponding separately second heating variable-voltage power supply 74 '.The temperature of described each second heating resistor 74 is identical, and perhaps the temperature along each second heating resistor 74 on the direction of first resistance, 73 terminad heating resistors 76 raises gradually.Described temperature compensation means 77 is an arc structure, is looped around described inner housing 22a, 22b, 22 outsides, and is close to its outer surface, to carry out heat exchange with inner housing 22a, 22b, 22.Described temperature compensation means 77 is made by Heat Conduction Material, and by its resistance heated, resistance connects temperature-compensating variable-voltage power supply 77 ' by circuit.Described temperature compensation means 77 is positioned at inner housing 22a, 22b, 22 outsides and adiabatic distance piece 52 corresponding positions, thereby the material at adiabatic distance piece 52 places is heated.Described temperature sensor 78 is positioned at inner housing 22a, 22b, 22 outsides and described premixed section 53, heating mixer 54, defeated material section 55, material transfer section 56 and discharging section 57 corresponding positions, with the temperature of corresponding each mixer of measurement.Described temperature control system comprises the first driving screw temperature control system, the second driving screw temperature control system, the first sub-screw temperature control system, second sub-screw temperature control system and the control module 79 '.The structure of described temperature control system is referring to Fig. 6 a, 6b.Above-mentioned each screw temperature control system comprises respectively and adds thermal control units 79-1, function of temperature compensation control unit 79-2, thermometric control module 79-3, master control unit 79a, 79b, 79a ', 79b '.Described each screw rod add thermal control units 79-1, function of temperature compensation control unit 79-2, thermometric control module 79-3 is electrically connected master control unit 79a, 79b, 79a ', 79b ' respectively, and respectively with its bi-directional transfer of data.The master control unit 79a of the described first driving screw temperature control system, the second driving screw temperature control system, the first sub-screw temperature control system and the second sub-screw temperature control system, master control unit 79b, master control unit 79a ' and master control unit 79b ' be link control module 79 ' respectively.Master control unit 79a and the master control unit 79b of the described first driving screw 41a and the second driving screw 41b read prefabricated data respectively, each resistance value of temperature required and 73, at least 1 second heating resistor of at least 1 first heating resistor 74, the 4th heating resistor 76, terminal heating resistor 77 according to 53, at least 1 heating of at least 1 premixed section of described screw rod mixer 54, material transfer section 56 and discharging section 57, determine the required heating voltage of each heating resistor, and gained heating voltage data are sent to the corresponding thermal control units 79-1 that adds.The described thermal control units 79-1 that adds is according to gained heating voltage data, open and adjust the voltage of at least 1 first heating variable-voltage power supply 73 ', at least 1 the second heating variable-voltage power supply 74 ', the 4th heating variable-voltage power supply 76 ' and terminal heating variable-voltage power supply 77 ', thus by corresponding heater circuit to 73, at least 1 second heating resistor of corresponding at least 1 first heating resistor 74, the 4th heating resistor 76,77 power supplies of terminal heating resistor.73, at least 1 second heating resistor of described at least 1 first heating resistor 74, the 4th heating resistor 76, terminal heating resistor 77 are being switched under the voltage separately, heat 53, at least 1 heating of corresponding at least 1 premixed section mixer 54, material transfer section 56 and discharging section 57 respectively.Master control unit 79a ' and the master control unit 79b ' of the described first sub-screw 42a and the second sub-screw 42b read prefabricated data respectively, each resistance value of and at least 1 first heating resistor 73, at least 1 second heating resistor 74 and three heating resistor 75 temperature required according at least 1 premixed section of described screw rod 53, at least 1 heating mixer 54 and defeated material section 55, determine the required heating voltage of each heating resistor, and gained heating voltage data are sent to the corresponding thermal control units 79-1 that adds.The described thermal control units 79-1 that adds is according to gained heating voltage data, open and adjust the voltage of at least 1 first heating variable-voltage power supply 73 ', at least 1 second heating variable-voltage power supply 74 ' and the 3rd heating variable-voltage power supply 75 ', thereby pass through corresponding heater circuit 73, at least 1 second heating resistor 74 of corresponding at least 1 first heating resistor and the 3rd heating resistor 75.73, at least 1 second heating resistor 74 of described at least 1 first heating resistor and the 3rd heating resistor 75 are being switched under the voltage separately, heat corresponding at least 1 premixed section 53, at least 1 heating mixer 54 and defeated material section 55 respectively.The master control unit 79 of described each screw rod reads prefabricated data, periodically transmits thermometric and instructs to thermometric control module 79-3.Described thermometric control module 79-3 opens temperature sensor 78 after receiving the thermometric instruction.Described temperature sensor 78 is positioned at the corresponding position of mixer of inner housing 23 outsides and each screw rod, reads the temperature of each relevant position, thereby obtains the temperature of charge of corresponding mixer.Described temperature sensor 78 is sent to thermometric control module 79-3 with measured temperature of charge data, and thermometric control module 79-3 is with the corresponding thermometric control module 79-3 that is sent to each screw rod of these temperature of charge data.The master control unit 79 of described each screw rod reads the temperature of charge that prefabricated data and thermometric control module 79-3 record, resistance according to described at least 1 temperature compensation means 77, determine required bucking voltage, and gained bucking voltage data are sent to function of temperature compensation control unit 79-2.Described function of temperature compensation control unit 79-2 opens and adjusts the voltage of at least 1 temperature-compensating variable-voltage power supply 77 ' according to gained bucking voltage data, thereby by related circuit corresponding at least 1 temperature compensation means 77 is powered.Described at least 1 temperature compensation means 77 is switched under each voltage, heats inner housing 23 outsides and at least 1 adiabatic distance piece 52 corresponding position respectively, thereby the material at each adiabatic distance piece 52 place is heated.
The master control unit 79a of the described first driving screw 41a and the second driving screw 41b and master control unit 79b read the temperature of charge that prefabricated data and thermometric control module 79-3 record, each resistance value according to 73, at least 1 second heating resistor of at least 1 first heating resistor 74, the 4th heating resistor 76, terminal heating resistor 77, adjust the required heating voltage of each heating resistor, and gained heating voltage data are sent to add thermal control units 79-1.The described thermal control units 79-1 that adds is according to gained heating voltage data, adjusts the voltage of at least 1 first heating variable-voltage power supply 73 ', at least 1 the second heating variable-voltage power supply 74 ', the 4th heating variable-voltage power supply 76 ' and terminal heating variable-voltage power supply 77 '.73, at least 1 second heating resistor of described at least 1 first heating resistor 74, the 4th heating resistor 76, terminal heating resistor 77 are switched under adjusted voltage separately, heat 53, at least 1 heating of corresponding at least 1 premixed section mixer 54, material transfer section 56 and discharging section 57 respectively.The master control unit 79a ' of the described first sub-screw 42a and the second sub-screw 42b and master control unit 79b ' read the temperature of charge that prefabricated data and thermometric control module 79-3 record, each resistance value according to 73, at least 1 second heating resistor of at least 1 first heating resistor 74, the 3rd heating resistor 75, adjust the required heating voltage of each heating resistor, and gained heating voltage data are sent to add thermal control units 79-1.The described thermal control units 79-1 that adds is according to gained heating voltage data, adjusts the voltage of at least 1 first heating variable-voltage power supply 73 ', at least 1 second heating variable-voltage power supply 74 ', the 3rd heating variable-voltage power supply 75 '.73, at least 1 second heating resistor of described at least 1 first heating resistor 74, the 3rd heating resistor 75 are switched under adjusted voltage separately, heat corresponding at least 1 premixed section 53, at least 1 heating mixer 54 and defeated material section 55 respectively.
The master control unit 79a of described each screw rod, 79b, 79a ', 79b ' are from respectively adding the heating voltage that thermal control units 79-1 reads each heating resistor, thereby determine the resistance temperature of each first heating resistor 73, second heating resistor 74, the 3rd heating resistor 75, the 4th heating resistor 76 and terminal heating resistor 77, this resistance temperature is the theoretical heating-up temperature of each premixed section 53, heating mixer 54, defeated material section 55, material transfer section 56 and discharging section 57 that each heating resistor heated.
The master control unit 79a of described each screw rod, 79b, 79a ', 79b ' read the temperature of charge of each section from each thermometric control module 79-3, thereby determine the temperature of charge of each premixed section 53, heating mixer 54, defeated material section 55, material transfer section 56 and discharging section 57.
The master control unit 79a of described each screw rod, 79b, 79a ', 79b ' read prefabricated data, determine that each premixed section 53, heating mixer 54, defeated material section 55, material transfer section 56 and discharging section 57 are temperature required.
The master control unit 79a of described each screw rod, 79b, 79a ', 79b ' is according to each premixed section 53, heating mixer 54, defeated material section 55, the heating-up temperature T of arbitrary mixer adds in material transfer section 56 and the discharging section 57, temperature of charge T thing and temperature required T need, the heating-up temperature T that determines required adjustment adds with compensation temperature T and mends, subsequently according to the resistance of each heating resistor and each temperature compensation means, determine required adjustment this mixer the heating voltage V of corresponding heating resistor add and the bucking voltage V of corresponding temperature compensation means mends, thereby adjust the heating-up temperature and the compensation temperature of this mixer, finally adjust the temperature of charge of this mixer.
The relevant temperature compensation arrangement of described this mixer is the pairing temperature compensation means of adiabatic distance piece adjacent with this mixer and that material flowed to.
The relevant temperature compensation arrangement of described this mixer is the pairing temperature compensation means of adiabatic distance piece adjacent with this mixer and that material flowed to.
Described master control unit 79a, 79b, 79a ', 79b ' at first relatively the T thing and the T of the arbitrary mixer of each screw rod need:
1. equal the T need as the T thing, further relatively T need and T add:
Add 1.1 need equal T as T, the V that regulates this mixer mends, and adds so that the T of this mixer benefit equals T;
1.2 need to add greater than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need+| T need-T adds |;
1.3 need to add less than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need-| T need-T adds |;
2. need greater than T as the T thing, described master control unit 79a, 79b, 79a ', 79b ' read prefabricated data, determine deviation delta:
2.1 as T thing＜T need+Δ, further relatively T need and T add:
Add 2.1.1 need equal T as T, the V that regulates this mixer mends, make T benefits=T need-| T need-T adds |;
2.1.2 add greater than T as the T need, the V that regulates this mixer adds, and makes T add and equals the T need;
2.1.3 need to add less than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need-| T need-T adds |;
2.2 as T thing＞T need+Δ, further relatively T need and T add:
Add 2.2.1 need equal T as T, the V that regulates this mixer mends, make T benefits=T need-2 * | T need-T adds |;
2.2.2 need to add greater than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need-| T need-T adds |;
2.2.3 need to add less than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need-2 * | T need-T adds |;
3. need less than T as the T thing, described master control unit 79a, 79b, 79a ', 79b ' read prefabricated data, determine deviation delta:
3.1 as T thing＞T need-Δ, further relatively T need and T add:
Add 3.1.1 need equal T as T, the V that regulates this mixer mends, make T benefits=T need+| T need-T adds |;
3.1.2 need to add greater than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need+| T need-T adds |;
3.1.3 add less than T as the T need, the V that regulates this mixer adds, and makes T add and equals the T need;
3.2 as T thing＜T need-Δ, further relatively T need and T add:
Add 3.2.1 need equal T as T, the V that regulates this mixer mends, make T benefits=T need+2 * | T need-T adds |;
3.2.2 need to add greater than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need+2 * | T need-T adds |;
3.2.3 need to add less than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need+| T need-T adds |.
The master control unit 79a of each screw rod, 79b, 79a ', 79b periodically add each heating-up temperature T of each each mixer of screw rod, temperature of charge T thing and temperature required T need transfer of data to control module 79 '.Control module 79 ' is judged the temperature of premixed section 53, heating mixer 54, material transfer section 56 of the first driving screw 41a, and the temperature with the premixed section 53 of the first sub-screw 42a, heating mixer 54, defeated material section 55 is consistent respectively, if it is inconsistent, read initialize data, according to above-mentioned method of adjustment, the adjustment of each mixer of the first driving screw 41a and the first sub-screw 42a to predetermined value, is equated with the temperature that guarantees the two each correspondent section.In like manner, check, judge and adjust the temperature of each correspondent section of the second driving screw 41b and the second sub-screw 42b.In addition, control module 79 ' from each heating-up temperature T that the master control unit 79b of the master control unit 79a of the first driving screw 41a and the second driving screw 41b reads the discharging section 57 of the discharging section 57 of the first driving screw 41a and the second driving screw 41b add, temperature of charge T thing and temperature required T need data, whether the temperature of judging two discharging sections 57 is consistent, if inconsistent, in like manner adjust according to the method described above.
Embodiment two:
On the basis of embodiment one,, further set forth the detailed embodiment of screw heating and temperature controlling device of the present invention and temperature-controlling system thereof with reference to figure 1, Fig. 2 a and 2b and Fig. 3.
Described extruder screw comprises the first driving screw 41a, the second driving screw 41b, the first sub-screw 42a and the second sub-screw 42b.
The described first driving screw 41a and the second driving screw 41b comprise 52,1 premixed section of 51,3 adiabatic distance pieces of 3 linkage sections, 53,2 heating, 54,1 material transfer section 56 of mixer and 1 discharging section 57 respectively;
The described first driving screw 41a and the second driving screw 41b are followed successively by premixed section 53, the first heating mixer 54a, the second heating mixer 54b, material transfer section 56 and discharging section 57 respectively from its front end to its end, be provided with adiabatic distance piece 52 or linkage section 51 between the two arbitrarily in above-mentioned each section, or be provided with adiabatic distance piece 52 and linkage section 51 simultaneously;
The described first sub-screw 42a and the second sub-screw 42b comprise 52,1 premixed section of 51,3 adiabatic distance pieces of 3 linkage sections, 53,2 heating mixer 54 and 1 defeated material section 55 respectively;
The described first sub-screw 42a and the second sub-screw 42b are followed successively by premixed section 53, the first heating mixer 54a, the second heating mixer 54b and defeated material section 55 respectively from its front end to its end, be provided with adiabatic distance piece 52 or linkage section 51 between the two arbitrarily in above-mentioned each section, or be provided with adiabatic distance piece 52 and linkage section 51 simultaneously.
The structure of described heating control apparatus is referring to Fig. 4 a, 4b and Fig. 5 a, 5b.
The described first driving screw heating system and the second driving screw heating system have 1 first heating resistor 73,2 second heating resistor 74a, 74b, 76,1 terminal heating resistor 77 of 1 the 4th heating resistor respectively, above-mentioned heating resistor links to each other with terminal heating variable-voltage power supply 77 ' with 1 first heating variable-voltage power supply 73 ', 2 the second heating variable-voltage power supply 74a ', 74b ', 1 the 4th heating variable-voltage power supply 76 ' respectively, above-mentioned heating variable-voltage power supply is electrically connected respectively and describedly adds thermal control units 79-1, and respectively with its bi-directional transfer of data;
The described first sub-screw heating system and the second sub-screw heating system have 1 first heating resistor 73,2 second heating resistor 74a, 74b, 1 the 3rd heating resistor 75 respectively, above-mentioned heating resistor links to each other with 1 the 3rd heating variable-voltage power supply 75 ' with 1 first heating variable-voltage power supply 73 ', 2 the second heating variable-voltage power supply 74a ', 74b ' respectively, above-mentioned heating variable-voltage power supply is electrically connected respectively and describedly adds thermal control units 79-1, and respectively with its bi-directional transfer of data;
The described thermal control units 79-1 that adds closes, opens and respectively heat variable-voltage power supply respectively under the control of the master control unit of each screw rod 79a, 79a ', 79b, 79b ', or regulates the voltage that respectively heats variable-voltage power supply.
The described first driving screw temperature compensation system and the second driving screw temperature compensation system have the first temperature compensation means 77a, the second temperature compensation means 77b, the 3rd temperature compensation means 77c and the 4th temperature compensation means 77d respectively, the circular ring structure of said temperature compensation arrangement for making by Heat Conduction Material, be looped around described inner housing 22a, 22b, 22 outsides and each adiabatic distance piece 52, discharging section 77 corresponding positions respectively, and be close to its outer surface and distribute successively, to carry out heat exchange with inner housing 22a, 22b, 22 along the direction from the screw front end to the end;
The described first driving screw temperature compensation system and the second driving screw temperature compensation system further comprise the first temperature-compensating variable-voltage power supply 77a ', the second temperature-compensating variable-voltage power supply 77b ', the 3rd temperature-compensating variable-voltage power supply 77c ' and the 4th temperature-compensating heating variable-voltage power supply 77d ', and above-mentioned each variable-voltage power supply is positioned at that shell 21 outsides in chamber interconnect by circuit and the first temperature compensation means 77a, the second temperature compensation means 77b, the 3rd temperature compensation means 77c and the 4th temperature compensation means 77d separately respectively and powers to the resistance of separately temperature compensation means respectively;
The described first temperature-compensating variable-voltage power supply 77a ', the second temperature-compensating variable-voltage power supply 77b ', the 3rd temperature-compensating variable-voltage power supply 77c ' and the 4th temperature-compensating heating variable-voltage power supply 77d ' are electrically connected function of temperature compensation control unit 79-2 respectively, and respectively with its bi-directional transfer of data;
The described first sub-screw temperature compensation system and the second sub-screw temperature compensation system have the first temperature compensation means 77a, the second temperature compensation means 77b and the 3rd temperature compensation means 77c respectively, the circular ring structure of said temperature compensation arrangement for making by Heat Conduction Material, be looped around described inner housing 22a, 22b, 22 outsides and each adiabatic distance piece 52 corresponding position respectively, and be close to its outer surface and distribute successively, to carry out heat exchange with inner housing 22a, 22b, 22 along the direction from the screw front end to the end;
The described first sub-screw temperature compensation system and the second sub-screw temperature compensation system further comprise the first temperature-compensating variable-voltage power supply 77a ', the second temperature-compensating variable-voltage power supply 77b ' and the 3rd temperature-compensating variable-voltage power supply 77c ', and above-mentioned each variable-voltage power supply is positioned at that shell 21 outsides in chamber interconnect by the circuit and the first temperature compensation means 77a, the second temperature compensation means 77b and the 3rd temperature compensation means 77c separately respectively and respectively to the resistance power supply of separately temperature compensation means;
The described first temperature-compensating variable-voltage power supply 77a ', the second temperature-compensating variable-voltage power supply 77b ' and the 3rd temperature-compensating variable-voltage power supply 77c ' are electrically connected function of temperature compensation control unit 79-2 respectively, and respectively with its bi-directional transfer of data.
The described first driving screw temp measuring system and the second driving screw temp measuring system comprise the first temperature sensor 78a, the second temperature sensor 78b, three-temperature sensor 78c and the 4th temperature sensor 78d, described each temperature sensor is positioned at inner housing 23 outsides and mixer 53, the first heating mixer 54a, second heating mixer 54b and the material transfer section 56 corresponding positions, is used to measure the temperature of above-mentioned each mixer;
The described first temperature sensor 78a, the second temperature sensor 78b, three-temperature sensor 78c, the 4th temperature sensor 78d are electrically connected thermometric control module 79-3 respectively, and respectively with its bi-directional transfer of data;
The described first sub-screw temp measuring system and the second sub-screw temp measuring system comprise the first temperature sensor 78a, the second temperature sensor 78b, three-temperature sensor 78c and the 4th temperature sensor 78d, described each temperature sensor is positioned at inner housing 23 outside and premixed section 53, the first heating mixer 54a, the second heating mixer 54b and defeated material section 55 corresponding positions, is used to measure the temperature of above-mentioned each mixer;
The described first temperature sensor 78a, the second temperature sensor 78b, three-temperature sensor 78c, the 4th temperature sensor 78d are electrically connected thermometric control module 79-3 respectively, and respectively with its bi-directional transfer of data.
Described temperature control system comprises the first driving screw temperature control system, the second driving screw temperature control system, the first sub-screw temperature control system, second sub-screw temperature control system and the control module 79 '.The structure of described temperature control system is referring to Fig. 6 a, 6b.
Above-mentioned each screw temperature control system comprises respectively and adds thermal control units 79-1, function of temperature compensation control unit 79-2, thermometric control module 79-3, master control unit 79a, 79b, 79a ', 79b '.Described each screw rod add thermal control units 79-1, function of temperature compensation control unit 79-2, thermometric control module 79-3 is electrically connected master control unit 79a, 79b, 79a ', 79b ' respectively, and respectively with its bi-directional transfer of data.
The master control unit 79a of the described first driving screw temperature control system, the second driving screw temperature control system, the first sub-screw temperature control system and the second sub-screw temperature control system, master control unit 79b, master control unit 79a ' and master control unit 79b ' be link control module 79 ' respectively.
Master control unit 79a and the master control unit 79b of the described first driving screw 41a and the second driving screw 41b read prefabricated data respectively, each resistance value of temperature required and first heating resistor 73, the second heating resistor 74a, the second heating resistor 74b, the 4th heating resistor 76, terminal heating resistor 77 according to the premixed section 53 of described screw rod, the first heating mixer 54a, the second heating mixer 54b, material transfer section 56 and discharging section 57, determine the required heating voltage of each heating resistor, and gained heating voltage data are sent to the corresponding thermal control units 79-1 that adds.
The described thermal control units 79-1 that adds is according to gained heating voltage data, open and adjust the voltage of the first heating variable-voltage power supply 73 ', the second heating variable-voltage power supply 74a ', the second heating variable-voltage power supply 74b ', the 4th heating variable-voltage power supply 76 ' and terminal heating variable-voltage power supply 77 ', thus by corresponding heater circuit to corresponding first heating resistor 73, the second heating resistor 74a, the second heating resistor 74b, the 4th heating resistor 76,77 power supplies of terminal heating resistor.
Described first heating resistor 73, the second heating resistor 74a, the second heating resistor 74b, the 4th heating resistor 76, terminal heating resistor 77 are being switched under the voltage separately, heat corresponding premixed section 53, the first heating mixer 54a, the second heating mixer 54b, material transfer section 56 and discharging section 57 respectively.
Master control unit 79a ' and the master control unit 79b ' of the described first sub-screw 42a and the second sub-screw 42b read prefabricated data respectively, each resistance value of and first heating resistor 73, second heating resistor 74a, second heating resistor 74b and three heating resistor 75 temperature required according to the premixed section 53 of described screw rod, the first heating mixer 54a, the second heating mixer 54b and defeated material section 55, determine the required heating voltage of each heating resistor, and gained heating voltage data are sent to the corresponding thermal control units 79-1 that adds.
The described thermal control units 79-1 that adds is according to gained heating voltage data, open and adjust the voltage of the first heating variable-voltage power supply 73 ', the second heating variable-voltage power supply 74a ', the second heating variable-voltage power supply 74b ' and the 3rd heating variable-voltage power supply 75 ', thereby pass through corresponding heater circuit corresponding first heating resistor 73, the second heating resistor 74a, the second heating resistor 74b and the 3rd heating resistor 75.
Described first heating resistor 73, the second heating resistor 74a, the second heating resistor 74b and the 3rd heating resistor 75 are being switched under the voltage separately, heat corresponding premixed section 53, the first heating mixer 54a, the second heating mixer 54b and defeated material section 55 respectively.
The master control unit 79 of described each screw rod reads prefabricated data, periodically transmits thermometric and instructs to thermometric control module 79-3.Described thermometric control module 79-3 opens temperature sensor 78 after receiving the thermometric instruction.
Described temperature sensor 78 is positioned at the corresponding position of mixer of inner housing 23 outsides and each screw rod, reads the temperature of each relevant position, thereby obtains the temperature of charge of corresponding mixer.Described temperature sensor 78 is sent to thermometric control module 79-3 with measured temperature of charge data, and thermometric control module 79-3 is with the corresponding thermometric control module 79-3 that is sent to each screw rod of these temperature of charge data.
The master control unit 79 of described each screw rod reads the temperature of charge that prefabricated data and thermometric control module 79-3 record, resistance according to described at least 1 temperature compensation means 77, determine required bucking voltage, and gained bucking voltage data are sent to function of temperature compensation control unit 79-2.
Described function of temperature compensation control unit 79-2 opens and adjusts the voltage of at least 1 temperature-compensating variable-voltage power supply 77 ' according to gained bucking voltage data, thereby by related circuit corresponding at least 1 temperature compensation means 77 is powered.Described at least 1 temperature compensation means 77 is switched under each voltage, heats inner housing 23 outsides and at least 1 adiabatic distance piece 52 corresponding position respectively, thereby the material at each adiabatic distance piece 52 place is heated.
The master control unit 79a of the described first driving screw 41a and the second driving screw 41b and master control unit 79b read the temperature of charge that prefabricated data and thermometric control module 79-3 record, each resistance value according to first heating resistor 73, the second heating resistor 74a, the second heating resistor 74b, the 4th heating resistor 76, terminal heating resistor 77, adjust the required heating voltage of each heating resistor, and gained heating voltage data are sent to add thermal control units 79-1.
The described thermal control units 79-1 that adds adjusts the voltage of the first heating variable-voltage power supply 73 ', the second heating variable-voltage power supply 74a ', the second heating variable-voltage power supply 74b ', the 4th heating variable-voltage power supply 76 ' and terminal heating variable-voltage power supply 77 ' according to gained heating voltage data.
Described first heating resistor 73, the second heating resistor 74a, the second heating resistor 74b, the 4th heating resistor 76, terminal heating resistor 77 are switched under adjusted voltage separately, heat corresponding premixed section 53, the first heating mixer 54a, the second heating mixer 54b, material transfer section 56 and discharging section 57 respectively.
The master control unit 79a ' of the described first sub-screw 42a and the second sub-screw 42b and master control unit 79b ' read the temperature of charge that prefabricated data and thermometric control module 79-3 record, according to each resistance value of stating first heating resistor 73, the second heating resistor 74a, the second heating resistor 74b, the 3rd heating resistor 75, adjust the required heating voltage of each heating resistor, and gained heating voltage data are sent to add thermal control units 79-1.
The described thermal control units 79-1 that adds adjusts the voltage of the first heating variable-voltage power supply 73 ', the second heating variable-voltage power supply 74a ', the second heating variable-voltage power supply 74b ', the 3rd heating variable-voltage power supply 75 ' according to gained heating voltage data.
Described first heating resistor 73, the second heating resistor 74a, the second heating resistor 74b, the 3rd heating resistor 75 are switched under adjusted voltage separately, heat corresponding premixed section 53, the first heating mixer 54a, the second heating mixer 54b and defeated material section 55 respectively.
The master control unit 79a of described each screw rod, 79b, 79a ', 79b ' are from respectively adding the heating voltage that thermal control units 79-1 reads each heating resistor, thereby determine the resistance temperature of each first heating resistor 73, second heating resistor 74, the 3rd heating resistor 75, the 4th heating resistor 76 and terminal heating resistor 77, this resistance temperature is the theoretical heating-up temperature of each premixed section 53, heating mixer 54, defeated material section 55, material transfer section 56 and discharging section 57 that each heating resistor heated.
The master control unit 79a of described each screw rod, 79b, 79a ', 79b ' read the temperature of charge of each section from each thermometric control module 79-3, thereby determine the temperature of charge of each premixed section 53, heating mixer 54, defeated material section 55, material transfer section 56 and discharging section 57.
The master control unit 79a of described each screw rod, 79b, 79a ', 79b ' read prefabricated data, determine that each premixed section 53, heating mixer 54, defeated material section 55, material transfer section 56 and discharging section 57 are temperature required.
The master control unit 79a of described each screw rod, 79b, 79a ', 79b ' is according to each premixed section 53, heating mixer 54, defeated material section 55, the heating-up temperature T of arbitrary mixer adds in material transfer section 56 and the discharging section 57, temperature of charge T thing and temperature required T need, the heating-up temperature T that determines required adjustment adds with compensation temperature T and mends, subsequently according to the resistance of each heating resistor and each temperature compensation means, determine required adjustment this mixer the heating voltage V of corresponding heating resistor add and the bucking voltage V of corresponding temperature compensation means mends, thereby adjust the heating-up temperature and the compensation temperature of this mixer, finally adjust the temperature of charge of this mixer.
The relevant temperature compensation arrangement of described this mixer is the pairing temperature compensation means of adiabatic distance piece adjacent with this mixer and that material flowed to.
The relevant temperature compensation arrangement of described this mixer is the pairing temperature compensation means of adiabatic distance piece adjacent with this mixer and that material flowed to.
The T thing of described master control unit 79a, 79b, 79a ', the at first arbitrary mixer of 79b ' and T need:
1. equal the T need as the T thing, further relatively T need and T add:
Add 1.1 need equal T as T, the V that regulates this mixer mends, and adds so that the T of this mixer benefit equals T;
1.2 need to add greater than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need+| T need-T adds |;
1.3 need to add less than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need-| T need-T adds |;
2. need greater than T as the T thing, described master control unit 79a, 79b, 79a ', 79b ' read prefabricated data, determine deviation delta:
2.1 as T thing＜T need+Δ, further relatively T need and T add:
Add 2.1.1 need equal T as T, the V that regulates this mixer mends, make T benefits=T need-| T need-T adds |;
2.1.2 add greater than T as the T need, the V that regulates this mixer adds, and makes T add and equals the T need;
2.1.3 need to add less than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need-| T need-T adds |;
2.2 as T thing＞T need+Δ, further relatively T need and T add:
Add 2.2.1 need equal T as T, the V that regulates this mixer mends, make T benefits=T need-2 * | T need-T adds |;
2.2.2 need to add greater than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need-| T need-T adds |;
2.2.3 need to add less than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need-2 * | T need-T adds |;
3. need less than T as the T thing, described master control unit 79a, 79b, 79a ', 79b ' read prefabricated data, determine deviation delta:
3.1 as T thing＞T need-Δ, further relatively T need and T add:
Add 3.1.1 need equal T as T, the V that regulates this mixer mends, make T benefits=T need+| T need-T adds |;
3.1.2 need to add greater than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need+| T need-T adds |;
3.1.3 add less than T as the T need, the V that regulates this mixer adds, and makes T add and equals the T need;
3.2 as T thing＜T need-Δ, further relatively T need and T add:
Add 3.2.1 need equal T as T, the V that regulates this mixer mends, make T benefits=T need+2 * | T need-T adds |;
3.2.2 need to add greater than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need+2 * | T need-T adds |;
3.2.3 need to add less than T as T, the V that regulates this mixer adds, making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need+| T need-T adds |.
Embodiment three:
On embodiment two bases, the second mixer 54a of optional arbitrary screw rod is an example, and heating and temperature control process are described in detail in detail.
1, described master control unit 79 reads prefabricated data, the resistance value of and second heating resistor 74a temperature required according to the second mixer 54a of described screw rod is determined required heating voltage, and gained heating voltage data are sent to add thermal control units 79-1.
The described thermal control units 79-1 that adds is according to gained heating voltage data, open and adjust the voltage of the second heating variable-voltage power supply 74a ', thereby by corresponding heater circuit the second heating resistor 74a is powered, make the described second heating resistor 74a heat the second mixer 54a.
2, described master control unit 79 reads prefabricated data, periodically transmits thermometric and instructs to thermometric control module 79-3.Described thermometric control module 79-3 opens the second temperature sensor 78b after receiving the thermometric instruction, measure the temperature of charge of the second mixer 54a, and measured temperature of charge data are sent to thermometric control module 79-3, thermometric control module 79-3 is sent to thermometric control module 79-3 with these temperature of charge data.
3, described master control unit 79 is from adding the heating voltage that thermal control units 79-1 reads the second heating resistor 74a, thereby determines the resistance temperature of the second heating resistor 74a, and this resistance temperature is the theoretical heating-up temperature of the second mixer 54a.
Described master control unit 79 reads the temperature of charge that the second temperature sensor 78b records from thermometric control module 79-3, thereby determines the temperature of charge of the second mixer 54a.
Described master control unit 79 reads prefabricated data, determines that the second mixer 54a is temperature required.
The described master control unit 79 heating-up temperature T according to the second mixer 54a add, temperature of charge T thing and temperature required T need, the heating-up temperature T that determines required adjustment adds with compensation temperature T and mends, subsequently according to the resistance of heating resistor and temperature compensation means, the heating voltage V that determines the second heating resistor 54a of required adjustment adds and the bucking voltage V of the second temperature compensation means 77b mends.
Wherein, the heating-up temperature T that determines required adjustment adds the mode of mending with compensation temperature T as described in the embodiment two.
4, described master control unit 79 is mended according to the compensation temperature T of gained and the resistance of the second temperature compensation means 77b, determines the bucking voltage data, and gained bucking voltage data are sent to function of temperature compensation control unit 79-2.
Described function of temperature compensation control unit 79-2 is according to gained bucking voltage data, open and adjust the voltage of the second temperature-compensating variable-voltage power supply 77b ', thereby make second temperature compensation means 77b heating inner housing 23 outsides and adiabatic distance piece 52 corresponding positions, this thermal insulation distance piece 52 is between the second mixer 54a and 54b, thereby the material to these thermal insulation distance piece 52 places heats, and compensates the temperature of charge of the second mixer 54a.
5, described master control unit 79 adds according to the heating-up temperature T of gained and the resistance value of the second heating resistor 74a, adjusts required heating voltage, and gained heating voltage data are sent to add thermal control units 79-1.
The described thermal control units 79-1 that adds adjusts the voltage of the second heating variable-voltage power supply 74a ', thereby makes the second heating resistor 74a heat the second mixer 54a according to gained heating voltage data.
By the way, master control unit 79 is the temperature of charge of each mixer of monitoring constantly, in case actual temperature and temperature required by deviation, will be according to the said process image data and according to prefabricated data, determine adjustment mode and parameter, and, fast, accurately and effectively adjust the temperature of charge of this mixer, thereby effectively control temperature of charge and avoid lagging behind and regulate by the mode of compensation with the heating dual regulation.
Foregoing is exemplifying of specific embodiments of the invention, for the wherein not equipment of detailed description and structure, should be understood to take existing common apparatus in this area and universal method to be implemented.

Claims (10)

1. screw temperature control system of double mixing area extruder, it is characterized in that, described extruder screw comprises first screw rod group and second screw rod group, and the two lays respectively in first hybrid chamber (23a) and second hybrid chamber (23b) that first inner cavity (22a) and second inner cavity (22b) surrounded;
Described first screw rod group and second screw rod group all comprise a driving screw and a sub-screw, and the two is meshing with each other;
The structure of first driving screw (41a) of described first screw rod group and second driving screw (41b) of second screw rod group is identical;
The structure of first sub-screw (42a) of described first screw rod group and second sub-screw (42b) of second screw rod group is identical;
Described heating system comprises the first driving screw heating system, the second driving screw heating system, the first sub-screw heating system and the second sub-screw heating system;
Described temperature control system comprises the first driving screw temperature control system, the second driving screw temperature control system, the first sub-screw temperature control system, the second sub-screw temperature control system and control module (79 ');
Above-mentioned each screw temperature control system comprises respectively and adds thermal control units (79-1), function of temperature compensation control unit (79-2), thermometric control module (79-3), master control unit (79a, 79b, 79a ', 79b ');
The add thermal control units (79-1), function of temperature compensation control unit (79-2), thermometric control module (79-3) of described each screw rod are electrically connected master control unit (79a, 79b, 79a ', 79b ') respectively, and respectively with its bi-directional transfer of data;
The master control unit (79a) of the described first driving screw temperature control system, the second driving screw temperature control system, the first sub-screw temperature control system and the second sub-screw temperature control system, master control unit (79b), master control unit (79a ') and master control unit (79b ') be link control module (79 ') respectively;
The thermal control units (79-1) that adds of described first driving screw and second driving screw is electrically connected at least 1 first heating variable-voltage power supply (73 '), at least 1 second heating variable-voltage power supply (74 '), the 4th heating variable-voltage power supply (76 ') respectively and terminally heats variable-voltage power supply (77 '), and respectively with its bi-directional transfer of data;
At least 1 first heating variable-voltage power supply (73 ') of described first driving screw and second driving screw, at least 1 second heating variable-voltage power supply (74 '), the 4th heating variable-voltage power supply (76 ') is connected at least 1 first heating resistor (73) with terminal heating variable-voltage power supply (77 ') respectively by circuit, at least 1 second heating resistor (74), the 4th heating resistor (76), terminal heating resistor (77), above-mentioned each heating resistor lays respectively at least 1 premixed section (53) of described screw rod, at least 1 heating mixer (54), in material transfer section (56) and the inner axocoel of discharging section (57), and interconnect to heat each mixer respectively with each mixer;
Described first sub-screw and second sub-screw add that thermal control units (79-1) is electrically connected at least 1 first heating variable-voltage power supply (73 ') respectively, at least 1 second heating variable-voltage power supply (74 ') and the 3rd heats variable-voltage power supply (75 '), and respectively with its bi-directional transfer of data;
At least 1 first heating variable-voltage power supply (73 ') of described first sub-screw and second sub-screw, at least 1 second heating variable-voltage power supply (74 ') are connected at least 1 first heating resistor (73), at least 1 second heating resistor (74) and the 3rd heating resistor (75) with the 3rd heating variable-voltage power supply (75 ') respectively by circuit, above-mentioned each heating resistor lays respectively in 1 premixed section (53) of described screw rod, 1 heating mixer (54) and defeated material section (55) inner axocoel at least at least, and interconnects to heat each mixer respectively with each mixer;
The function of temperature compensation control unit (79-2) of described each screw rod be electrically connected at least 1 temperature-compensating variable-voltage power supply (77 ') and with its bi-directional transfer of data;
Described at least 1 temperature-compensating variable-voltage power supply (77 ') connects at least 1 temperature compensation means (77) and to its resistance power supply so that described temperature compensation means (77) to its institute around the relevant position of inner housing (23) heat;
Described at least 1 temperature compensation means (77) is positioned at the corresponding position of at least 1 adiabatic distance piece (52) of inner housing (23) outside and each screw rod, thereby the material that each adiabatic distance piece (52) is located is heated;
The thermometric control module (79-3) of described each screw rod be electrically connected at least 1 temperature sensor (78) and with its bi-directional transfer of data;
Described at least 1 temperature sensor (78) is positioned at the corresponding position of each section of inner housing (23) outside and each screw rod, thereby measures the temperature of relevant position.
2. screw temperature control system as claimed in claim 1, it is characterized in that described first driving screw (41a) and second driving screw (41b) comprise at least 2 linkage sections (51), at least 2 adiabatic distance pieces (52), at least 1 premixed section (53), at least 1 heating mixer (54), material transfer section (56) and discharging section (57) respectively; Described first sub-screw (42a) and second sub-screw (42b) comprise at least 2 linkage sections (51), at least 2 adiabatic distance pieces (52), at least 1 premixed section (53), at least 1 heating mixer (54) respectively and fail material section (55); Described first driving screw (41a) and second driving screw (41b) are followed successively by premixed section (53), heating mixer (54), material transfer section (56) and discharging section (57) respectively from its front end to its end, be provided with adiabatic distance piece (52) or linkage section (51) between the two arbitrarily in above-mentioned each section, or be provided with adiabatic distance piece (52) and linkage section (51) simultaneously;
Described first sub-screw (42a) and second sub-screw (42b) are followed successively by premixed section (53), heating mixer (54) and defeated material section (55) respectively from its front end to its end, be provided with adiabatic distance piece (52) or linkage section (51) between the two arbitrarily in above-mentioned each section, or be provided with adiabatic distance piece (52) and linkage section (51) simultaneously;
Described each linkage section (51), adiabatic distance piece (52), premixed section (53), heating mixer (54), defeated material section (55), material transfer section (56) and discharging section (57) are hollow structure, and its inside has respectively and is interconnected and coaxial axocoel (61), axocoel (62), axocoel (63), axocoel (64), axocoel (65), axocoel (66) and axocoel (67).
3. screw temperature control system as claimed in claim 2, it is characterized in that, master control unit (79a) and master control unit (79b) of described first driving screw (41a) and second driving screw (41b) read prefabricated data respectively, at least 1 premixed section (53) according to described screw rod, at least 1 heating mixer (54), temperature required and at least 1 first heating resistor (73) of material transfer section (56) and discharging section (57), at least 1 second heating resistor (74), the 4th heating resistor (76), each resistance value of terminal heating resistor (77), determine the required heating voltage of each heating resistor, and gained heating voltage data are sent to the corresponding thermal control units (79-1) that adds;
The described thermal control units (79-1) that adds is according to gained heating voltage data, open and adjust at least 1 first voltage that heats variable-voltage power supply (73 '), at least 1 the second heating variable-voltage power supply (74 '), the 4th heating variable-voltage power supply (76 ') and terminal heating variable-voltage power supply (77 '), thereby pass through corresponding heater circuit corresponding at least 1 first heating resistor (73), at least 1 second heating resistor (74), the 4th heating resistor (76), terminal heating resistor (77) power supply;
Described at least 1 first heating resistor (73), at least 1 second heating resistor (74), the 4th heating resistor (76), terminal heating resistor (77) are being switched under the voltage separately, heat corresponding at least 1 premixed section (53), at least 1 heating mixer (54), material transfer section (56) and discharging section (57) respectively;
Master control unit of described first sub-screw (42a) and second sub-screw (42b) (79a ') and master control unit (79b ') read prefabricated data respectively, according at least 1 premixed section (53) of described screw rod, at least 1 heating mixer (54) with defeated material section (55) is temperature required and each resistance value of at least 1 first heating resistor (73), at least 1 second heating resistor (74) and the 3rd heating resistor (75), determine the required heating voltage of each heating resistor, and gained heating voltage data are sent to the corresponding thermal control units (79-1) that adds;
The described thermal control units (79-1) that adds is according to gained heating voltage data, open and adjust the voltage of at least 1 first heating variable-voltage power supply (73 '), at least 1 second heating variable-voltage power supply (74 ') and the 3rd heating variable-voltage power supply (75 '), thereby pass through corresponding heater circuit corresponding at least 1 first heating resistor (73), at least 1 second heating resistor (74) and the 3rd heating resistor (75);
Described at least 1 first heating resistor (73), at least 1 second heating resistor (74) and the 3rd heating resistor (75) are being switched under the voltage separately, heat corresponding at least 1 premixed section (53), at least 1 heating mixer (54) respectively and fail material section (55).
4. screw temperature control system as claimed in claim 2 is characterized in that, the master control unit (79) of described each screw rod reads prefabricated data, periodically transmits thermometric and instructs to thermometric control module (79-3);
Described thermometric control module (79-3) is opened temperature sensor (78) after receiving the thermometric instruction;
Described temperature sensor (78) is positioned at the corresponding position of mixer of inner housing (23) outside and each screw rod, reads the temperature of each relevant position, thereby obtains the temperature of charge of corresponding mixer;
Described temperature sensor (78) is sent to thermometric control module (79-3) with measured temperature of charge data, and thermometric control module (79-3) is with the corresponding thermometric control module (79-3) that is sent to each screw rod of these temperature of charge data.
5. screw temperature control system as claimed in claim 2, it is characterized in that, the master control unit (79) of described each screw rod reads the temperature of charge that prefabricated data and thermometric control module (79-3) record, resistance according to described at least 1 temperature compensation means (77), determine required bucking voltage, and gained bucking voltage data are sent to function of temperature compensation control unit (79-2);
The voltage of at least 1 temperature-compensating variable-voltage power supply (77 ') is opened and adjusted in described function of temperature compensation control unit (79-2) according to gained bucking voltage data, thereby by related circuit corresponding at least 1 temperature compensation means (77) is powered; Described at least 1 temperature compensation means (77) is switched under each voltage, heats inner housing (23) outside and the corresponding position of at least 1 adiabatic distance piece (52) respectively, thereby the material that each adiabatic distance piece (52) is located is heated.
6. screw temperature control system as claimed in claim 2, it is characterized in that, the master control unit (79a) of described first driving screw (41a) and second driving screw (41b) and master control unit (79b) read the temperature of charge that prefabricated data and thermometric control module (79-3) record, according at least 1 first heating resistor (73), at least 1 second heating resistor (74), the 4th heating resistor (76), each resistance value of terminal heating resistor (77), adjust the required heating voltage of each heating resistor, and gained heating voltage data are sent to add thermal control units (79-1);
The described thermal control units (79-1) that adds is adjusted the voltage of at least 1 first heating variable-voltage power supply (73 '), at least 1 the second heating variable-voltage power supply (74 '), the 4th heating variable-voltage power supply (76 ') and terminal heating variable-voltage power supply (77 ') according to gained heating voltage data;
Described at least 1 first heating resistor (73), at least 1 second heating resistor (74), the 4th heating resistor (76), terminal heating resistor (77) are switched under adjusted voltage separately, heat corresponding at least 1 premixed section (53), at least 1 heating mixer (54), material transfer section (56) and discharging section (57) respectively;
Master control unit of described first sub-screw (42a) and second sub-screw (42b) (79a ') and master control unit (79b ') read the temperature of charge that prefabricated data and thermometric control module (79-3) record, each resistance value according at least 1 first heating resistor (73), at least 1 second heating resistor (74), the 3rd heating resistor (75), adjust the required heating voltage of each heating resistor, and gained heating voltage data are sent to add thermal control units (79-1);
The described thermal control units (79-1) that adds is according to gained heating voltage data, adjusts the voltage of at least 1 first heating variable-voltage power supply (73 '), at least 1 second heating variable-voltage power supply (74 '), the 3rd heating variable-voltage power supply (75 ');
Described at least 1 first heating resistor (73), at least 1 second heating resistor (74), the 3rd heating resistor (75) are switched under adjusted voltage separately, heat corresponding at least 1 premixed section (53), at least 1 heating mixer (54) respectively and fail material section (55).
7. as the described screw temperature control system of claim 4～6, it is characterized in that, master control unit (the 79a of described each screw rod, 79b, 79a ', 79b ') from respectively adding the heating voltage that thermal control units (79-1) reads each heating resistor, thereby determine each first heating resistor (73), second heating resistor (74), the 3rd heating resistor (75), the resistance temperature of the 4th heating resistor (76) and terminal heating resistor (77), this resistance temperature are each premixed section (53) that each heating resistor heated, heating mixer (54), defeated material section (55), the theoretical heating-up temperature of material transfer section (56) and discharging section (57);
The master control unit of described each screw rod (79a, 79b, 79a ', 79b ') reads the temperature of charge of each section from each thermometric control module (79-3), thereby determines the temperature of charge of each premixed section (53), heating mixer (54), defeated material section (55), material transfer section (56) and discharging section (57);
The master control unit of described each screw rod (79a, 79b, 79a ', 79b ') reads prefabricated data, determines that each premixed section (53), heating mixer (54), defeated material section (55), material transfer section (56) and discharging section (57) are temperature required;
Master control unit (the 79a of described each screw rod, 79b, 79a ', 79b ') according to each premixed section (53), heating mixer (54), defeated material section (55), the heating-up temperature (T adds) of arbitrary mixer in material transfer section (56) and the discharging section (57), temperature of charge (T thing) and temperature required (T needs), determine the heating-up temperature (T adds) and the compensation temperature (T benefit) of required adjustment, subsequently according to the resistance of each heating resistor and each temperature compensation means, determine required adjustment this mixer the heating voltage (V adds) of corresponding heating resistor and the bucking voltage (V benefit) of corresponding temperature compensation means, thereby adjust the heating-up temperature and the compensation temperature of this mixer, finally adjust the temperature of charge of this mixer;
The relevant temperature compensation arrangement of described this mixer is the pairing temperature compensation means of adiabatic distance piece adjacent with this mixer and that material flowed to;
The relevant temperature compensation arrangement of described this mixer is the pairing temperature compensation means of adiabatic distance piece adjacent with this mixer and that material flowed to.
8. screw temperature control system as claimed in claim 7 is characterized in that, the master control unit of described each screw rod (79a, 79b, 79a ', 79b ') relatively the T thing and the T of the arbitrary mixer of each screw rod needs;
Equal at the T thing under the situation of T need, further relatively T need and T add;
Under T need equal situation that T adds, the V that regulates this mixer mended, so that the T of this mixer mends and equals T and add;
Under the situation that T needs to add greater than T, the V that regulates this mixer adds, and making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need+| T need-T adds |;
Under the situation that T needs to add less than T, the V that regulates this mixer adds, and making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need-| T need-T adds |.
9. screw temperature control system as claimed in claim 7 is characterized in that, the master control unit of described each screw rod (79a, 79b, 79a ', 79b ') relatively the T thing and the T of the arbitrary mixer of each screw rod needs;
Under the situation that the T thing needs greater than T, described master control unit (79) reads prefabricated data, determines deviation delta;
Under the situation of T thing＜T need+Δ, further relatively T need and T add;
Under T need equal situation that T adds, the V that regulates this mixer mended, make T benefits=T need-| T need-T adds |;
Under the situation that the T need add greater than T, the V that regulates this mixer adds, and makes T add and equals the T need;
Under the situation that T needs to add less than T, the V that regulates this mixer adds, and making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need-| T need-T adds |;
Under the situation of T thing＞T need+Δ, further relatively T need and T add;
Under T need equal situation that T adds, the V that regulates this mixer mended, make T benefits=T need-2 * | T need-T adds |;
Under the situation that T needs to add greater than T, the V that regulates this mixer adds, and making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need-| T need-T adds |;
Under the situation that T needs to add less than T, the V that regulates this mixer adds, and making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need-2 * | T need-T adds |.
10. screw temperature control system as claimed in claim 7 is characterized in that, the master control unit of described each screw rod (79a, 79b, 79a ', 79b ') relatively the T thing and the T of the arbitrary mixer of each screw rod needs;
Under the situation that the T thing needs less than T, described master control unit (79) reads prefabricated data, determines deviation delta;
Under the situation of T thing＞T need-Δ, further relatively T need and T add;
Under T need equal situation that T adds, the V that regulates this mixer mended, make T benefits=T need+| T need-T adds |;
Under the situation that T needs to add greater than T, the V that regulates this mixer adds, and making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need+| T need-T adds |;
Under the situation that the T need add less than T, the V that regulates this mixer adds, and makes T add and equals the T need;
Under the situation of T thing＜T need-Δ, further relatively T need and T add;
Under T need equal situation that T adds, the V that regulates this mixer mended, make T benefits=T need+2 * | T need-T adds |;
Under the situation that T needs to add greater than T, the V that regulates this mixer adds, and making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need+2 * | T need-T adds |;
Under the situation that T needs to add less than T, the V that regulates this mixer adds, and making T add to equal T needs, and the V that regulates this mixer simultaneously mends, make T benefits=T need+| T need-T adds |.
CN2009100515717A 2009-05-20 2009-05-20 Screw temperature control system of double mixing area extruder Pending CN101889721A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009100515717A CN101889721A (en) 2009-05-20 2009-05-20 Screw temperature control system of double mixing area extruder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009100515717A CN101889721A (en) 2009-05-20 2009-05-20 Screw temperature control system of double mixing area extruder

Publications (1)

Publication Number Publication Date
CN101889721A true CN101889721A (en) 2010-11-24

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Application publication date: 20101124