CN107866949A - A kind of injection mold heat circulation controlling method - Google Patents
A kind of injection mold heat circulation controlling method Download PDFInfo
- Publication number
- CN107866949A CN107866949A CN201710905368.6A CN201710905368A CN107866949A CN 107866949 A CN107866949 A CN 107866949A CN 201710905368 A CN201710905368 A CN 201710905368A CN 107866949 A CN107866949 A CN 107866949A
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- CN
- China
- Prior art keywords
- temperature
- oil
- heat conductive
- conduction oil
- high temperature
- 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
- B29C45/72—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
- 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
-
- 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
- B29C2045/7285—Heating or cooling using hydraulic oil as tempering medium
-
- 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
- B29C2045/7292—Recovering waste heat
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of injection mold heat circulation controlling method, including：After the completion of injection, mould is cooled down by normal temperature conduction oil；Collect the high temperature heat conductive oil after being cooled down to mould；In next injection moulding process, the injection molding material in mold cavity is incubated by high temperature heat conductive oil；Collect the medium temperature conduction oil after being incubated to the injection molding material in mold cavity；Plastic granule is preheated by medium temperature conduction oil, so, caused heat energy in mould cooling procedure is collected by conduction oil, and the injection molding material in injection moulding process next time is incubated by conduction oil, plastic granule is preheated using the conduction oil after insulation simultaneously, the temperature of plastic granule is improved, realizes heat circulation, saving the energy reduces discharge.
Description
Technical field
The present invention relates to injection mold technology, more particularly to a kind of injection mold heat circulation controlling method.
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 injection mold heat circulation controlling method；
A kind of injection mold heat circulation controlling method proposed by the present invention, including：
S1, after the completion of injection, mould is cooled down by normal temperature conduction oil；
S2, collect the high temperature heat conductive oil after being cooled down to mould；
S3, in next injection moulding process, the injection molding material in mold cavity is incubated by high temperature heat conductive oil；
S4, collect the medium temperature conduction oil after being incubated to the injection molding material in mold cavity；
S5, by medium temperature conduction oil plastic granule is preheated.
Preferably, step S2, in addition to：
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, in step S2, the temperature of high temperature heat conductive oil is obtained by multiple temperature sensors.
Preferably, step S4, in addition to：
The temperature of medium temperature conduction oil is obtained, and judges whether the temperature of medium temperature conduction oil is less than default 3rd temperature threshold
Value, when judged result is to be, medium temperature conduction oil is heated, until the temperature of medium temperature conduction oil is more than the 3rd temperature threshold
Afterwards, medium temperature conduction oil is incubated；
When judged result is no, medium temperature conduction oil is incubated.
Preferably, in step S4, the temperature of medium temperature conduction oil is obtained by multiple temperature sensors.
In the present invention, after the completion of injection, mould is cooled down by normal temperature conduction oil, collects and mould is cooled down
High temperature heat conductive oil afterwards, in next injection moulding process, the injection molding material in mold cavity is incubated by high temperature heat conductive oil, received
Injection molding material in set pair mold cavity be incubated after medium temperature conduction oil, by medium temperature conduction oil to plastic granule carry out pre-add
Heat, in this way, caused heat energy in mould cooling procedure is collected by conduction oil, and by conduction oil to being molded next time
During injection molding material be incubated, while plastic granule is preheated using the conduction oil after insulation, improves plastic pellet
The temperature of material, heat circulation is realized, saving the energy reduces discharge, simultaneously as plastic granule is preheated, can reduce modeling
Expect the time of pellet normal heating, further reduce the energy consumption of firing equipment.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of injection mold heat circulation controlling method proposed by the present invention.
Embodiment
Reference picture 1, a kind of injection mold heat circulation controlling method proposed by the present invention, including：
Step S1, after the completion of injection, mould is cooled down by normal temperature conduction oil.
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.
Step S2, the high temperature heat conductive oil after being cooled down to mould is collected, in addition to：
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, wherein, pass through the temperature of multiple temperature sensors acquisition high temperature heat conductive oil.
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.
Step S3, in next injection moulding process, the injection molding material in mold cavity is incubated by high temperature heat conductive oil.
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.
Step S4, the medium temperature conduction oil after being incubated to the injection molding material in mold cavity is collected, in addition to：
The temperature of medium temperature conduction oil is obtained, and judges whether the temperature of medium temperature conduction oil is less than default 3rd temperature threshold
Value, when judged result is to be, medium temperature conduction oil is heated, until the temperature of medium temperature conduction oil is more than the 3rd temperature threshold
Afterwards, medium temperature conduction oil is incubated；When judged result is no, medium temperature conduction oil is incubated, wherein, pass through multiple temperature
Spend the temperature that sensor obtains medium temperature conduction oil.
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.
Step S5, plastic granule is preheated by medium temperature conduction oil.
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, after the completion of injection, mould is cooled down by normal temperature conduction oil, collects and mould is carried out
High temperature heat conductive oil after cooling, in next injection moulding process, the injection molding material in mold cavity is protected by high temperature heat conductive oil
Temperature, the medium temperature conduction oil after being incubated to the injection molding material in mold cavity is collected, plastic granule is entered by medium temperature conduction oil
Row preheating, in this way, caused heat energy in mould cooling procedure is collected by conduction oil, and by conduction oil to next
Injection molding material in secondary injection moulding process is incubated, while plastic granule is preheated using the conduction oil after insulation, is improved
The temperature of plastic granule, heat circulation is realized, saving the energy reduces discharge, simultaneously as plastic granule is preheated, meeting
The time of plastic granule normal heating is reduced, further reduces 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 (5)
- A kind of 1. injection mold heat circulation controlling method, it is characterised in that including：S1, after the completion of injection, mould is cooled down by normal temperature conduction oil；S2, collect the high temperature heat conductive oil after being cooled down to mould；S3, in next injection moulding process, the injection molding material in mold cavity is incubated by high temperature heat conductive oil；S4, collect the medium temperature conduction oil after being incubated to the injection molding material in mold cavity；S5, by medium temperature conduction oil plastic granule is preheated.
- 2. injection mold heat circulation controlling method according to claim 1, it is characterised in that step S2, in addition to：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. injection mold heat circulation controlling method according to claim 2, it is characterised in that in step S2, by multiple Temperature sensor obtains the temperature of high temperature heat conductive oil.
- 4. injection mold heat circulation controlling method according to claim 1, it is characterised in that step S4, in addition to：The temperature of medium temperature conduction oil is obtained, and judges whether the temperature of medium temperature conduction oil is less than default 3rd temperature threshold, when Judged result is right after the temperature of medium temperature conduction oil is more than the 3rd temperature threshold when being, to be heated to medium temperature conduction oil Medium temperature conduction oil is incubated；When judged result is no, medium temperature conduction oil is incubated.
- 5. injection mold heat circulation controlling method according to claim 4, it is characterised in that in step S4, by multiple Temperature sensor obtains the temperature of medium temperature conduction oil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710905368.6A CN107866949A (en) | 2017-09-29 | 2017-09-29 | A kind of injection mold heat circulation controlling method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710905368.6A CN107866949A (en) | 2017-09-29 | 2017-09-29 | A kind of injection mold heat circulation controlling method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107866949A true CN107866949A (en) | 2018-04-03 |
Family
ID=61753015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710905368.6A Withdrawn CN107866949A (en) | 2017-09-29 | 2017-09-29 | A kind of injection mold heat circulation controlling method |
Country Status (1)
| Country | Link |
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| CN (1) | CN107866949A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519103A (en) * | 2019-09-19 | 2021-03-19 | 欧佩德伺服电机节能系统有限公司 | Injection molding machine heat energy recycling method and system |
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 CN201710905368.6A patent/CN107866949A/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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112519103A (en) * | 2019-09-19 | 2021-03-19 | 欧佩德伺服电机节能系统有限公司 | Injection molding machine heat energy recycling method and system |
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| 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 |
Application publication date: 20180403 |
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| WW01 | Invention patent application withdrawn after publication |