CN107877808A - A kind of control system of thermal circulation injection mould - Google Patents

A kind of control system of thermal circulation injection mould Download PDF

Info

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
Authority
CN
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.)
Withdrawn
Application number
CN201710905511.1A
Other languages
Chinese (zh)
Inventor
刘红兵
江家宗
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Youlipu Polytron Technologies Inc
Original Assignee
Anhui Youlipu Polytron Technologies Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anhui Youlipu Polytron Technologies Inc filed Critical Anhui Youlipu Polytron Technologies Inc
Priority to CN201710905511.1A priority Critical patent/CN107877808A/en
Publication of CN107877808A publication Critical patent/CN107877808A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/76Measuring, controlling or regulating
    • B29C45/78Measuring, controlling or regulating of temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/72Heating or cooling
    • B29C45/73Heating or cooling of the mould
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76494Controlled parameter
    • B29C2945/76531Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2945/00Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
    • B29C2945/76Measuring, controlling or regulating
    • B29C2945/76655Location of control
    • B29C2945/76732Mould

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

A kind of control system of thermal circulation injection mould
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)

  1. 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. 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. 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. 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.
CN201710905511.1A 2017-09-29 2017-09-29 A kind of control system of thermal circulation injection mould Withdrawn CN107877808A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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
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
CN107877808A true CN107877808A (en) 2018-04-06

Family

ID=61781007

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710905511.1A Withdrawn CN107877808A (en) 2017-09-29 2017-09-29 A kind of control system of thermal circulation injection mould

Country Status (1)

Country Link
CN (1) CN107877808A (en)

Citations (3)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN213564190U (en) Injection mold capable of being cooled rapidly
CN107856263A (en) A kind of injection mold cooling residual-heat utilization method
CN107866948A (en) A kind of heat automatic cycle Application way of injection mold
CN205097463U (en) Cold type runner system in rubber
CN107618164A (en) A kind of injection mold afterheat utilizing system based on conduction oil circulation
CN104760230A (en) Injection mould
CN107866949A (en) A kind of injection mold heat circulation controlling method
CN112622213A (en) Quick cooling system is used in injection moulding product production
CN107877808A (en) A kind of control system of thermal circulation injection mould
CN208946512U (en) Molding die is used in a kind of production of Automobile Plastic Parts
CN114407308B (en) Mould capable of rapidly increasing and decreasing temperature and rapid temperature increasing and decreasing method for surface of mould
CN208305740U (en) A kind of precision die based on rapid thermal cycles forming technique
CN103831934A (en) Quick cooling temperature control injection molding mold
CN107856262A (en) A kind of injection mold afterheat utilizing system based on conduction oil
CN208497602U (en) A kind of charging barrel of injection molding machine heating device
CN207059156U (en) A kind of mould heating arrangements
CN109693334A (en) A kind of injection molding process of salad service plate
US20230201912A1 (en) Polymer molds, apparatus, and method
CN211416020U (en) Computer accessory injection molding device
CN204869570U (en) Online biaxial stretching plastic extrusion mould
CN108819118A (en) A kind of rapid moulding injection mold with refrigerating function
CN219686481U (en) Clothes hanger injection mold
CN203592671U (en) PVC profiled bar inner-cooling device
CN209141384U (en) A kind of energy-saving composite molding machine
CN107618173A (en) The solid wood moulding mould of booster-type in a kind of heavy in section

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20180406