CN107877808A - A kind of control system of thermal circulation injection mould - Google Patents
A kind of control system of thermal circulation injection mould Download PDFInfo
- Publication number
- CN107877808A CN107877808A CN201710905511.1A CN201710905511A CN107877808A CN 107877808 A CN107877808 A CN 107877808A CN 201710905511 A CN201710905511 A CN 201710905511A CN 107877808 A CN107877808 A CN 107877808A
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- China
- Prior art keywords
- temperature
- conduction oil
- oil
- heat conductive
- medium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76655—Location of control
- B29C2945/76732—Mould
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of control system of thermal circulation injection mould, including:Cooling unit, for after the completion of injection, being cooled down by normal temperature conduction oil to mould;First collector unit, for collecting the high temperature heat conductive oil after being cooled down to mould;Heat-insulation unit, in next injection moulding process, being incubated by high temperature heat conductive oil to the injection molding material in mold cavity;Second collector unit, for collecting the medium temperature conduction oil after being incubated to the injection molding material in mold cavity;Second temperature control unit, for obtaining the temperature of medium temperature conduction oil, and judge whether the temperature of medium temperature conduction oil is less than default temperature comparison value, when judged result for when being, medium temperature conduction oil is heated, after the temperature of medium temperature conduction oil is more than temperature comparison value, medium temperature conduction oil is incubated;When judged result is no, medium temperature conduction oil is incubated;Heating unit, for being preheated by medium temperature conduction oil to plastic granule.
Description
Technical field
The present invention relates to injection mold technology, more particularly to a kind of control system of thermal circulation injection mould.
Background technology
Injection mold is a kind of instrument for producing plasthetics, because it can produce complete structure and accurate dimension
Product and be widely used in plasthetics processing industry.Injection mold is when making plasthetics, the main heat for utilizing plastics
Molten principle, the plastics of melting is injected into the die cavity of mould by injection machine, then cooling and shaping, and opening mould can obtain
Moulded products.Need to carry out heating and melting to plastics before injection, plastics are cooled down in shaping, during cooling
Temperature is higher, typically by water cooling and it is air-cooled cooled down, but both approaches retain cooling when heating effects
Be not highly desirable, so can not to cooling when heat energy utilize.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of control system of thermal circulation injection mould;
A kind of control system of thermal circulation injection mould proposed by the present invention, including:
Cooling unit, for after the completion of injection, being cooled down by normal temperature conduction oil to mould;
First collector unit, for collecting the high temperature heat conductive oil after being cooled down to mould;
Heat-insulation unit, in next injection moulding process, being carried out by high temperature heat conductive oil to the injection molding material in mold cavity
Insulation;
Second collector unit, for collecting the medium temperature conduction oil after being incubated to the injection molding material in mold cavity;
Second temperature control unit, for obtaining the temperature of medium temperature conduction oil, and judge medium temperature conduction oil temperature whether
Less than default temperature comparison value, when judged result is to be, medium temperature conduction oil is heated, until the temperature of medium temperature conduction oil
After degree is more than temperature comparison value, medium temperature conduction oil is incubated;When judged result is no, medium temperature conduction oil is protected
Temperature;
Heating unit, for being preheated by medium temperature conduction oil to plastic granule.
Preferably, in addition to the first temperature control unit, it is connected with the first collector unit, the first temperature control unit is used
In:
Obtain the temperature of high temperature heat conductive oil, and by the temperature of high temperature heat conductive oil respectively with default first temperature threshold, the
Two temperature thresholds are compared, wherein, the first temperature threshold is less than second temperature threshold value;
When the temperature of high temperature heat conductive oil is less than the first temperature threshold, high temperature heat conductive oil is heated, makes high-temperature heat-conductive
The temperature of oil is higher than the first temperature threshold;
When the temperature of high temperature heat conductive oil is more than second temperature threshold value, high temperature heat conductive oil is cooled, makes high-temperature heat-conductive
The temperature of oil is less than second temperature threshold value;
When the temperature of high temperature heat conductive oil is between the first temperature threshold and second temperature threshold value, high temperature heat conductive oil is entered
Row insulation.
Preferably, first temperature control unit, is specifically used for:High temperature heat conductive oil is obtained by multiple temperature sensors
Temperature.
Preferably, the second temperature control unit, is specifically used for:Medium temperature conduction oil is obtained by multiple temperature sensors
Temperature.
In the present invention, cooling unit, for after the completion of injection, being cooled down by normal temperature conduction oil to mould;First
Collector unit, for collecting the high temperature heat conductive oil after being cooled down to mould;Heat-insulation unit, in next injection moulding process,
The injection molding material in mold cavity is incubated by high temperature heat conductive oil;Second collector unit, for collecting in mold cavity
Injection molding material be incubated after medium temperature conduction oil;Second temperature control unit, for obtaining the temperature of medium temperature conduction oil, and sentence
Whether the temperature of disconnected medium temperature conduction oil is less than default temperature comparison value, and when judged result is to be, medium temperature conduction oil is carried out
Heating, after the temperature of medium temperature conduction oil is more than temperature comparison value, medium temperature conduction oil is incubated;When judged result is no
When, medium temperature conduction oil is incubated;Heating unit, for being preheated by medium temperature conduction oil to plastic granule, in this way,
Caused heat energy in mould cooling procedure is collected by conduction oil, and by conduction oil in injection moulding process next time
Injection molding material is incubated, while plastic granule is preheated using the conduction oil after insulation, improves the temperature of plastic granule,
Heat circulation is realized, saving the energy reduces discharge, simultaneously as plastic granule is preheated, can reduce plastic granule just
The time often heated, further reduce the energy consumption of firing equipment.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the control system of thermal circulation injection mould proposed by the present invention.
Embodiment
Reference picture 1, a kind of control system of thermal circulation injection mould proposed by the present invention, including:
Cooling unit, for after the completion of injection, being cooled down by normal temperature conduction oil to mould.
In concrete scheme, conduction oil is a kind of special oil of a kind of better heat stability for indirect transfer heat
Product, because it has homogeneous heating, temperature adjustment precise control, heat-transfer effect is good, and saves, and mould is carried out by normal temperature conduction oil
Cooling, quick cooling and stable cooling are realized, and the heat energy largely cooled down can be preserved, mould is carried out by normal temperature conduction oil
Cooling, and then the injection molding material in mould can be cooled down.
First collector unit, is connected with cooling unit, and the first collector unit is used to collect the height after cooling down mould
Warm conduction oil.
First temperature control unit, it is connected with the first collector unit, the first temperature control unit is used for:
Obtain the temperature of high temperature heat conductive oil, and by the temperature of high temperature heat conductive oil respectively with default first temperature threshold, the
Two temperature thresholds are compared, wherein, the first temperature threshold is less than second temperature threshold value;
When the temperature of high temperature heat conductive oil is less than the first temperature threshold, high temperature heat conductive oil is heated, makes high-temperature heat-conductive
The temperature of oil is higher than the first temperature threshold;
When the temperature of high temperature heat conductive oil is more than second temperature threshold value, high temperature heat conductive oil is cooled, makes high-temperature heat-conductive
The temperature of oil is less than second temperature threshold value;
When the temperature of high temperature heat conductive oil is between the first temperature threshold and second temperature threshold value, high temperature heat conductive oil is entered
Row insulation, is specifically used for:The temperature of high temperature heat conductive oil is obtained by multiple temperature sensors.
In concrete scheme, the high temperature heat conductive oil cooled down to mould is collected, and obtain high temperature heat conductive oil
Temperature, judges whether the temperature of high temperature heat conductive oil is in using temperature range, using temperature range include upper limit threshold and
Lower threshold, when the temperature of high temperature heat conductive oil is less than using temperature range lower threshold, high temperature heat conductive oil is heated,
When the temperature of high temperature heat conductive oil is higher than using temperature range upper limit threshold, high temperature heat conductive oil is cooled down, when high temperature is led
When the temperature of deep fat is in using in temperature range, high temperature heat conductive oil is incubated.
Heat-insulation unit, it is connected with the first collector unit, heat-insulation unit is used in next injection moulding process, passes through high-temperature heat-conductive
Oil is incubated to the injection molding material in mold cavity.
In concrete scheme, when carrying out injection next time, the injection molding material in mold cavity is carried out by high temperature heat conductive oil
Insulation, makes the injection molding material temperature in mold cavity more uniform, more easy-formation, while realizes mould cooling heat energy recycling.
Second collector unit, is connected with heat-insulation unit, and the second collector unit is used to collect to the injection molding material in mold cavity
Medium temperature conduction oil after being incubated.
Second temperature control unit, it is connected with the second collector unit, second temperature control unit is used to obtain medium temperature heat conduction
The temperature of oil, and judge whether the temperature of medium temperature conduction oil is less than default temperature comparison value, when judged result is to be, centering
Warm conduction oil is heated, and after the temperature of medium temperature conduction oil is more than temperature comparison value, medium temperature conduction oil is incubated;When
When judged result is no, medium temperature conduction oil is incubated, is specifically used for:Medium temperature conduction oil is obtained by multiple temperature sensors
Temperature.
In concrete scheme, the medium temperature conduction oil after being incubated to the injection molding material in mold cavity is collected, and
Judge whether the temperature of medium temperature conduction oil is less than the 3rd temperature threshold, when judged result is to be, medium temperature conduction oil is added
Heat.
Heating unit, it is connected with the second collector unit, heating unit is used to carry out plastic granule by medium temperature conduction oil
Preheating.
In concrete scheme, plastic granule is preheated by medium temperature conduction oil, improves the temperature of plastic granule, it is real
Existing heat circulation, saving the energy reduces discharge, reduces the time needed for plastic granule normal heating, reduces entreprise cost.
In present embodiment, cooling unit, for after the completion of injection, being cooled down by normal temperature conduction oil to mould;
First collector unit, for collecting the high temperature heat conductive oil after being cooled down to mould;Heat-insulation unit, in next injection moulding process
In, the injection molding material in mold cavity is incubated by high temperature heat conductive oil;Second collector unit, for collecting to mold cavity
Interior injection molding material be incubated after medium temperature conduction oil;Second temperature control unit, for obtaining the temperature of medium temperature conduction oil, and
Judge whether the temperature of medium temperature conduction oil is less than default temperature comparison value, when judged result is to be, medium temperature conduction oil is entered
Row heating, after the temperature of medium temperature conduction oil is more than temperature comparison value, medium temperature conduction oil is incubated;When judged result is
When no, medium temperature conduction oil is incubated;Heating unit, for being preheated by medium temperature conduction oil to plastic granule, such as
This, is collected by conduction oil to caused heat energy in mould cooling procedure, and by conduction oil to injection moulding process next time
In injection molding material be incubated, while plastic granule is preheated using the conduction oil after insulation, improves plastic granule
Temperature, heat circulation is realized, saving the energy reduces discharge, simultaneously as plastic granule is preheated, can reduce plastic pellet
Expect the time of normal heating, further reduce the energy consumption of firing equipment.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (4)
- A kind of 1. control system of thermal circulation injection mould, it is characterised in that including:Cooling unit, for after the completion of injection, being cooled down by normal temperature conduction oil to mould;First collector unit, for collecting the high temperature heat conductive oil after being cooled down to mould;Heat-insulation unit, in next injection moulding process, being incubated by high temperature heat conductive oil to the injection molding material in mold cavity;Second collector unit, for collecting the medium temperature conduction oil after being incubated to the injection molding material in mold cavity;Second temperature control unit, for obtaining the temperature of medium temperature conduction oil, and judge whether the temperature of medium temperature conduction oil is less than Default temperature comparison value, when judged result is to be, medium temperature conduction oil is heated, until the temperature of medium temperature conduction oil is big After temperature comparison value, medium temperature conduction oil is incubated;When judged result is no, medium temperature conduction oil is incubated;Heating unit, for being preheated by medium temperature conduction oil to plastic granule.
- 2. the control system of thermal circulation injection mould according to claim 1, it is characterised in that also including the first temperature control Unit processed, it is connected with the first collector unit, the first temperature control unit is used for:Obtain high temperature heat conductive oil temperature, and by the temperature of high temperature heat conductive oil respectively with default first temperature threshold, second temperature Degree threshold value is compared, wherein, the first temperature threshold is less than second temperature threshold value;When the temperature of high temperature heat conductive oil is less than the first temperature threshold, high temperature heat conductive oil is heated, makes high temperature heat conductive oil Temperature is higher than the first temperature threshold;When the temperature of high temperature heat conductive oil is more than second temperature threshold value, high temperature heat conductive oil is cooled, makes high temperature heat conductive oil Temperature is less than second temperature threshold value;When the temperature of high temperature heat conductive oil is between the first temperature threshold and second temperature threshold value, high temperature heat conductive oil is protected Temperature.
- 3. the control system of thermal circulation injection mould according to claim 2, it is characterised in that first temperature control Unit, it is specifically used for:The temperature of high temperature heat conductive oil is obtained by multiple temperature sensors.
- 4. the control system of thermal circulation injection mould according to claim 1, it is characterised in that the second temperature control Unit, it is specifically used for:The temperature of medium temperature conduction oil is obtained by multiple temperature sensors.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710905511.1A CN107877808A (en) | 2017-09-29 | 2017-09-29 | A kind of control system of thermal circulation injection mould |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710905511.1A CN107877808A (en) | 2017-09-29 | 2017-09-29 | A kind of control system of thermal circulation injection mould |
Publications (1)
Publication Number | Publication Date |
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CN107877808A true CN107877808A (en) | 2018-04-06 |
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ID=61781007
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CN201710905511.1A Withdrawn CN107877808A (en) | 2017-09-29 | 2017-09-29 | A kind of control system of thermal circulation injection mould |
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CN (1) | CN107877808A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200940966Y (en) * | 2006-06-27 | 2007-08-29 | 吴焕雄 | Afterheat collector of injection moulding machine |
CN202037830U (en) * | 2011-04-29 | 2011-11-16 | 川田机械制造(上海)有限公司 | Water-oil dual-purpose mould temperature control unit |
CN105150480A (en) * | 2015-09-01 | 2015-12-16 | 太仓求精塑模有限公司 | Environment-friendly mold temperature control system for collecting heat by hot runner |
-
2017
- 2017-09-29 CN CN201710905511.1A patent/CN107877808A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN200940966Y (en) * | 2006-06-27 | 2007-08-29 | 吴焕雄 | Afterheat collector of injection moulding machine |
CN202037830U (en) * | 2011-04-29 | 2011-11-16 | 川田机械制造(上海)有限公司 | Water-oil dual-purpose mould temperature control unit |
CN105150480A (en) * | 2015-09-01 | 2015-12-16 | 太仓求精塑模有限公司 | Environment-friendly mold temperature control system for collecting heat by hot runner |
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PB01 | Publication | ||
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Application publication date: 20180406 |