CN109435162A - A kind of automobile injection mold with outer cooling system - Google Patents
A kind of automobile injection mold with outer cooling system Download PDFInfo
- Publication number
- CN109435162A CN109435162A CN201811635628.3A CN201811635628A CN109435162A CN 109435162 A CN109435162 A CN 109435162A CN 201811635628 A CN201811635628 A CN 201811635628A CN 109435162 A CN109435162 A CN 109435162A
- Authority
- CN
- China
- Prior art keywords
- mold
- air flue
- forming cavity
- supervisor
- cooling system
- 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.)
- Pending
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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
- B29C45/26—Moulds
-
- 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
- B29C45/26—Moulds
- B29C45/34—Moulds having venting means
-
- 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
- B29C45/7312—Construction of heating or cooling fluid flow channels
-
- 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
- B29C45/7337—Heating or cooling of the mould using gas or steam
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to vapour to have processing technique field, disclose a kind of automobile injection mold with outer cooling system, including upper mold and lower mold, upper mold is cavity plate, lower mold is punch-pin, upper mold and the engaging of lower mold constitute a closed forming cavity, injection molding road and air flue are equipped in the upper mold, the circulating line being connected to air flue is equipped with outside upper mold, injection molding road and air flue are connected to forming cavity respectively, the bottom of the lower mold is equipped with cooling chamber, coolant liquid is filled in cooling chamber, exhaust pipe is connected between cooling chamber and forming cavity, check valve is installed in exhaust pipe, the outlet that exhaust pipe is located at cooling chamber is equipped with condenser pipe, condenser pipe is exported to after coolant liquid in the circulating line of lower mold exterior, force (forcing) pump is equipped in the circulating line, the output end of force (forcing) pump is connected with air flue, the present invention can fast speed at The intracavitary plastic melt of type is cooled down, and mold shaping efficiency is improved.
Description
Technical field
The present invention relates to mold machining technology fields, and in particular to a kind of automobile injection mold with outer cooling system.
Background technique
Injection molding is a kind of method of industrial products production moulding.Product is usually using rubber injection mold or plastic injection.Injection molding
Molding die platen press and casting die can also be dispensed.
Automobile overwhelming majority components are all that generally will use injection (mo(u)lding) machine i.e. injector by injection molding die pressing
And plastic automotive of various shapes is made using mould for plastics in thermoplastic or thermosetting plastics by injection molding machine, injection molding machine
Components, therefore auto parts and components injection molding is realized by injection molding machine and injection mold.
Injection mold includes cavity plate and lower die in the prior art, and cavity plate is cavity plate, and lower die is punch-pin, cavity plate and lower die engaging
When, between cavity plate and lower die constitute a closed forming cavity, the injected plastic melt into forming cavity, wait plastic melt at
The intracavitary natural cooling molding of type, it will be able to produce the auto parts and components of specific shape, but the time of plastic melt natural heat dissipation
It is too long, the molding efficiency of components is influenced, while can also occupy injection mold for a long time.It is cooled to accelerate plastic melt
Type, traditional mode are thrown cold water on outside injection mold, are radiated by cold water to mold, by mold come to plastic melt
Heat dissipation.This radiating mode is from external cooling, and the heat transfer speed of plastic melt is slower, can reduce the molding effect of plastic melt
Rate, while a large amount of water can be also wasted, cause manufacturing cost to improve.
Application No. is 201711482442.4 patent of invention, including upper die and lower die, upper molds to solve the above-mentioned problems
For cavity plate, lower die is punch-pin, constitutes a closed forming cavity, the cavity plate when upper die and lower die engage between upper mold and lower die
It is equipped with injection molding road and is connected to air flue, injection molding road with forming cavity, the air flue periphery is equipped with annular chamber, and air flue is equipped with and ring
The gas outlet of shape chamber connection, close to one end of air flue diagonally downward and towards in air flue, the side of air flue is equipped with can be with for gas outlet
The high pressure air cavity of annular chamber connection is equipped with the sliding block being slidably connected with cavity plate between high pressure air cavity and air flue, sliding block, which is equipped with, to be connected
Interface, connector can be connected to annular chamber and high pressure air cavity, be equipped with the air bag for being fixed on cavity plate below sliding block, the air flue is communicated with
The upper cooling duct that the groove of cavity plate is wrapped up, upper cooling duct are located at the lower section of air bag, and the convex portion of the punch-pin includes balance
Chamber and slide plate, slide plate is slidably connected with punch-pin and slide plate closes counter balance pocket, is fixed on the slide plate and is connected to high pressure air cavity
Pressure reducing valve, pressure reducing valve is connected to counter balance pocket, and slide plate is equipped with limited block, high-pressure pump is equipped in the punch-pin and by lug boss
The lower cooling duct that subpackage is wrapped up in, lower cooling duct can be connected to upper cooling duct, and the high-pressure pump is connected to counter balance pocket.Above scheme is deposited
Since forming cavity space is limited, the cooling effect of the cooling system of forming cavity inner member is bad, can not further promote mold
Efficiency.
Summary of the invention
In view of the above-mentioned problems, concrete scheme is such as the present invention provides a kind of automobile injection mold with outer cooling system
Under:
A kind of automobile injection mold with outer cooling system, including upper mold and lower mold, upper mold are cavity plate, lower mold is
Punch-pin, upper mold and the engaging of lower mold constitute a closed forming cavity, are equipped with injection molding road and air flue, upper mold in the upper mold
Outside is equipped with the circulating line being connected to air flue, is molded road and air flue is connected to forming cavity respectively, the bottom of the lower mold is set
There is cooling chamber, is filled with coolant liquid in cooling chamber, exhaust pipe is connected between cooling chamber and forming cavity, list is installed in exhaust pipe
To valve, the outlet that exhaust pipe is located at cooling chamber is equipped with condenser pipe, and condenser pipe is exported to after coolant liquid outside lower mold
In the circulating line in portion, force (forcing) pump is equipped in the circulating line, the output end of force (forcing) pump is connected with air flue.
Further, the check valve is solenoid valve.
Further, the air flue, which is located at the port of forming cavity, is equipped with spray head, is equipped with multiple nozzles, multiple sprays on spray head
Mouth forms matrix structure.
Further, the nozzle is low pressure atomization nozzle.
Further, the exhaust pipe include a supervisor and one with the branch pipe that is connected of supervisor, be responsible for and be laid on branch pipe
The connectivity port of lower mould inside, supervisor and branch pipe and forming cavity is located at the two sides of lower mold protrusion, and supervisor and branch pipe exist
Screen, supervisor and branch pipe being respectively arranged below with for blocking connector in screen are respectively equipped at the port of forming cavity
Bolt.
Further, the check valve is mounted in exhaust pipe supervisor and branch pipe joint to the pipeline section position between cooling chamber
It sets.
Further, the pin block upper surface of the electric control latch is equipped with the bar shaped inserted sheet in insertion screen gap.
Compared to the prior art it is more of the invention have it is a little as follows:
1, the present invention effectively can carry out cooling to internal heat by the external component cooling system in injection mold,
And it is injected plastics material Quick-forming that external pressurized equipment, which can provide stronger air pressure, and injection molding has further been prompted to imitate
Rate.
2, the present invention installs low pressure atomization nozzle by the way that spray head is arranged at the port that air flue is located at forming cavity on spray head
It is that can be evenly distributed in forming cavity into the high pressure of forming cavity, and slowly can gradually reinforce pressure, avoids
Injected plastics material causes to deform in case of high pressures.
3, the present invention can effectively manipulate the air pressure environment in forming cavity by the way that solenoid valve is arranged in exhaust pipe, can
To adjust the pressure in forming cavity by opening or closing solenoid valve, and can effectively be tested by adjusting pressure
Parameter.
Detailed description of the invention
Fig. 1 is structure chart of the invention；
Fig. 2 is exhaust pipe end configuration figure；
Fig. 3 is the structure chart of spray head；
Fig. 4 is grid plate structure figure.
Appended drawing reference:
1- upper mold；Mold under 2-；3- air flue；4- spray head；5- force (forcing) pump；6- circulating line；7- exhaust pipe；71- supervisor；72-
Branch pipe；8- cooling chamber；9- coolant liquid；10- condenser pipe；11- check valve；12- forming cavity；13- electric control latch；14- screen；15-
Nozzle.
Specific embodiment
The solution of the present invention is described in detail with reference to the accompanying drawings of the specification.
The appended drawing reference as shown in Figure of description is as follows:
1- upper mold；Mold under 2-；3- air flue；4- spray head；5- force (forcing) pump；6- circulating line；7- exhaust pipe；71- supervisor；72-
Branch pipe；8- cooling chamber；9- coolant liquid；10- condenser pipe；11- check valve；12- forming cavity；13- electric control latch；14- screen；15-
Nozzle.
Embodiment 1
As shown in Figures 1 to 4, a kind of automobile injection mold with outer cooling system, including upper mold and lower mold, upper mold
For cavity plate, lower mold is punch-pin, and upper mold and the engaging of lower mold constitute a closed forming cavity, be equipped with injection molding in the upper mold
Road and air flue, upper mold outside are equipped with the circulating line being connected to air flue, are molded road and air flue is connected to forming cavity respectively, described
Air flue, which is located at the port of forming cavity, is equipped with spray head, multiple nozzles is equipped on spray head, multiple nozzles form matrix structure, described
Nozzle is low pressure atomization nozzle, and the bottom of the lower mold is equipped with cooling chamber, is filled with coolant liquid in cooling chamber, cooling chamber at
Be connected with exhaust pipe between shape chamber, the exhaust pipe include a supervisor and one be responsible for the branch pipe being connected, be responsible for and branch pipe
It is laid on lower mould inside, the connectivity port of supervisor and branch pipe and forming cavity is located at the two sides of lower mold protrusion, Zhu Guanhe
Branch pipe is respectively equipped with screen, supervisor and branch pipe being respectively arranged below with for the company of closure in screen at the port for being located at forming cavity
The electric control latch of interface, the pin block upper surface of the electric control latch are equipped with the bar shaped inserted sheet in insertion screen gap, and the inserted sheet is main
It is to be convenient for gas discharge, while after injection-moulded plastic part taking-up for removing the injected plastics material for plugging screen gap in injection moulding process,
The convex epirelief that polishing operation removal finished product is constituted at screen need to be carried out to finished product, supervisor and branch pipe joint to cooling in exhaust pipe
Check valve is installed, the check valve is solenoid valve, and exhaust pipe is located at the outlet installation of cooling chamber in the pipeline section position between chamber
There is condenser pipe, condenser pipe is exported to after coolant liquid in the circulating line of lower mold exterior, is set in the circulating line
There is force (forcing) pump, the output end of force (forcing) pump is connected with air flue.Cooling chamber in the present invention is because that can drop injection molding material close to injection molding material
Temperature further improves cooling effect.
Embodiment 2
Auto parts injection moulding process based on above structure, the specific steps are as follows:
Step 1, upper mold and the engaging of lower mold constitute closed forming cavity, and injection article is injected into forming cavity by being molded road
Material；
Step 2, after the preliminary solidification forming of injection material by air flue into forming cavity slowly and step up air pressure, add
The rate of set of fast injection material can be adjusted the air pressure in forming cavity by opening exhaust pipe in this step；
Step 3, after injection material solidifies completely, the electric control latch for being located at the entrance of exhaust pipe is opened, the gas in forming cavity is made
Enter exhaust pipe with heat, then opening check valve imported into hot gas in condenser pipe；
Step 4, injection mold is discharged behind coolant liquid inner cavity into the hot gas of condenser pipe, coolant liquid is the salt that concentration is 20%
Water, into the circulating line being located at outside injection mold, by the force (forcing) pump pressurization in circulating line again into from air flue
It is middle to enter in forming cavity；
Step 5, a part of heat is taken away again into the cooling gas of forming cavity, be discharged using coolant liquid is cooling, the above step
For rapid repeatedly circulation until the part of injection molding is completely cooling, the number of circulation is 4~6 times, and preferred number is 6 times；
Step 6, after the completely cooling part of taking-up polishes to its surface, finished goods is obtained.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without departing from the inventive concept of the premise, several modifications and improvements can also be made, these also should be considered as the present invention
Protection scope, these all will not influence the present invention effect and patent practicability implemented.The present invention omits the skill of description
Art, shape, construction portion are well-known technique.
Claims (7)
1. a kind of automobile injection mold with outer cooling system, including upper mold and lower mold, upper mold are cavity plate, lower mold
For punch-pin, which is characterized in that upper mold and the engaging of lower mold constitute a closed forming cavity, and injection molding road is equipped in the upper mold
And air flue, upper mold outside are equipped with the circulating line being connected to air flue, are molded road and air flue is connected to forming cavity respectively, under described
The bottom of mold is equipped with cooling chamber, is filled with coolant liquid in cooling chamber, exhaust pipe is connected between cooling chamber and forming cavity, be vented
Check valve is installed, the outlet that exhaust pipe is located at cooling chamber is equipped with condenser pipe, and condenser pipe exports to after coolant liquid in pipe
In the circulating line of lower mold exterior, force (forcing) pump is equipped in the circulating line, the output end of force (forcing) pump is connected with air flue
It is logical.
2. the automobile injection mold according to claim 1 with outer cooling system, which is characterized in that the check valve is
Solenoid valve.
3. the automobile injection mold according to claim 1 with outer cooling system, which is characterized in that the air flue is located at
It is equipped with spray head at the port of forming cavity, multiple nozzles are installed on spray head, multiple nozzles form matrix structure.
4. the automobile injection mold according to claim 3 with outer cooling system, which is characterized in that the nozzle is low
Press atomizer.
5. the automobile injection mold according to claim 1 with outer cooling system, which is characterized in that the exhaust pipe packet
Supervisor and one is included to be laid on lower mould inside, supervisor and branch pipe with the branch pipe that is connected of supervisor, supervisor and branch pipe and shape
The connectivity port of chamber is located at the two sides of lower mold protrusion, and supervisor and branch pipe are respectively equipped with grid at the port for being located at forming cavity
The electric control latch being respectively arranged below with for blocking connector of plate, supervisor and branch pipe in screen.
6. the automobile injection mold according to claim 1 with outer cooling system, which is characterized in that the check valve peace
Supervisor and branch pipe joint are to the pipeline section position between cooling chamber in exhaust pipe.
7. the automobile injection mold according to claim 5 with outer cooling system, which is characterized in that the electric control latch
Pin block upper surface be equipped with insertion screen gap bar shaped inserted sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635628.3A CN109435162A (en) | 2018-12-29 | 2018-12-29 | A kind of automobile injection mold with outer cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635628.3A CN109435162A (en) | 2018-12-29 | 2018-12-29 | A kind of automobile injection mold with outer cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109435162A true CN109435162A (en) | 2019-03-08 |
Family
ID=65539766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811635628.3A Pending CN109435162A (en) | 2018-12-29 | 2018-12-29 | A kind of automobile injection mold with outer cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109435162A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076975A (en) * | 2019-04-19 | 2019-08-02 | 姚育晶 | A kind of automobile injection mold with outer cooling system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1416387A (en) * | 2001-01-10 | 2003-05-07 | 安托林工程集团股份有限公司 | Cooling and counter-pressure method for producing plastic parts by injection |
| CN103568232A (en) * | 2013-10-31 | 2014-02-12 | 浙江工业大学 | External gas-assisted rapid mould temperature variable injection mould |
| CN107116752A (en) * | 2017-07-06 | 2017-09-01 | 滁州市博康模具塑料有限公司 | A kind of multiple spot nitrogen charging plastic mould Shooting Technique |
| CN107498774A (en) * | 2016-06-14 | 2017-12-22 | 福特环球技术公司 | For manufacturing the system and method with weakened part moulding |
-
2018
- 2018-12-29 CN CN201811635628.3A patent/CN109435162A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1416387A (en) * | 2001-01-10 | 2003-05-07 | 安托林工程集团股份有限公司 | Cooling and counter-pressure method for producing plastic parts by injection |
| CN103568232A (en) * | 2013-10-31 | 2014-02-12 | 浙江工业大学 | External gas-assisted rapid mould temperature variable injection mould |
| CN107498774A (en) * | 2016-06-14 | 2017-12-22 | 福特环球技术公司 | For manufacturing the system and method with weakened part moulding |
| CN107116752A (en) * | 2017-07-06 | 2017-09-01 | 滁州市博康模具塑料有限公司 | A kind of multiple spot nitrogen charging plastic mould Shooting Technique |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110076975A (en) * | 2019-04-19 | 2019-08-02 | 姚育晶 | A kind of automobile injection mold with outer cooling system |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190308 |