CN206242444U - Die heater - Google Patents
Die heater Download PDFInfo
- Publication number
- CN206242444U CN206242444U CN201621373635.7U CN201621373635U CN206242444U CN 206242444 U CN206242444 U CN 206242444U CN 201621373635 U CN201621373635 U CN 201621373635U CN 206242444 U CN206242444 U CN 206242444U
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- China
- Prior art keywords
- medium
- input pipe
- pipe
- offer device
- die heater
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Abstract
A kind of die heater, it is characterised in that at least including the first offer device, the second offer device, medium input pipe and medium back flow pipe, the first offer device can provide the first cooling medium and have at least one first efferent ducts and the first input pipe；Second offer device can provide the second cooling medium and have at least one second efferent ducts and the second input pipe, and the second foregoing coolant temperature is less than the first cooling medium；Medium input pipe is all connected with the first foregoing efferent duct and the second efferent duct, and the medium input pipe has at least one medium output end.The utility model has the advantage of：Mould is cooled down step by step using two or more different medium so that cooling is reliable and stable, advantageously ensures that the quality of product in mould, meanwhile, cool time shortens dramatically, improve production efficiency.
Description
Technical field
The utility model is related to a kind of die heater.
Background technology
With the continuous progress of science and technology, the quality of plastic cement products is improved constantly, and gradually in the life of people occupies master
Lead the industries such as status, particularly household electrical appliances, communication, automobile, commodity, medical device, the application of plastic cement products brings for every profession and trade
Great convenience.With the expansion of application field, people are to the quality requirement of plastic cement products also more and more higher.Relative to common
For plastic cement products, the precision of high-light no-trace mold injection product is higher, can reduce the internal stress of injecting products, makes the knot of product
Structure more firm, profile is more attractive in appearance.
At present, injection mold is mainly heated by high-temperature water and steam, and cooling mainly has, and nature is cold, freeze water dispenser and pump
Supply of drawing water realizes, common gloss mold temperature controller high is exactly that using steam heating and pumping water cooling, related patent document can be with
It is the Chinese utility model patent of CN203543049U with reference to Authorization Notice No.《Environmental protection and safety type rapid heat cycle high-light no-trace is double-colored
Die heater》(application number:201320720651.9) disclose a kind of structure, it include condensate tank(trap), water leg, PLC and
One group of heating tank of series connection:Accumulator is connected with heating tank, two groups of main steam pipes, every group of main steam pipe are provided with accumulator
End be both turned on injection mold, and every group of main steam pipe being installed on the gas for controlling high temperature and high pressure gas break-make
Magnetic valve, the high temperature and high pressure gas in each injection mold are back in condensate tank(trap) after passing sequentially through steam return line, check valve, PLC
Controller is electrically connected with high-temperature pump, small pump and gas solenoid valve respectively.
Wherein, although pumping water cooling mode is quick, easily there is flaw in product, and reason is some plastics in the short time
Interior quick cooling causes the injection moulding of the thicker plastic cement part of inequality of being heated, particularly some wall thickness, it is therefore desirable to gradually cold
But, and naturally cold is a kind of ideal gradually type of cooling, so currently for the thicker plastic cement part of wall thickness substantially
Using naturally cold mode, but it is naturally cold have that cool time is long, the low deficiency of overall production efficiency.Lower the temperature for this demand is a kind of
Cooling method that is fast and can guarantee that injection quality again, it is imperative.
Utility model content
Technical problem to be solved in the utility model is directed to the above-mentioned state of the art and provides a kind of mould cooling soon
And the die heater of moulding quality.
The utility model solve the technical scheme that is used of above-mentioned technical problem for：A kind of die heater, it is characterised in that extremely
Include less
First offer device, can provide the first cooling medium and have at least one first efferent ducts and the first input pipe；
Second offer device, can provide the second cooling medium and have at least one second efferent ducts and the second input pipe,
Also, the second foregoing coolant temperature is less than the first cooling medium, and the first foregoing efferent duct and the second efferent duct are for simultaneously
Connection connection, the first foregoing input pipe and the second input pipe are to be connected in parallel；
Medium input pipe, is all connected with foregoing the first efferent duct and the second efferent duct, and the medium input pipe has at least
One medium output end；And
Medium back flow pipe, is all connected with foregoing the first input pipe and the second input pipe.
Further, the die heater also includes that the 3rd offer device of the 3rd cooling medium, the 3rd offer device can be provided
With at least one the 3rd efferent duct being connected with medium input pipe and the 3rd input pipe being connected with medium back flow pipe, foregoing
The temperature of three cooling mediums is less than the second cooling medium.
Further, at least one the first described offer device and the second offer device have overflow pipe.
The medium input pipe is circumscribed with one is used to empty the air inlet pipe of medium.Switching between medium can with air inlet come
Realize.
Further, the first described offer device and the second offer device are connected with medium supplement pipe.
Die heater preferentially can as follows be designed using steam heating or high-temperature water heating when being heated using steam：
Described die heater also includes steam generator and heat exchanger, outlet side and the medium input pipe of the steam generator
Connection, the first heat exchange import of foregoing heat exchanger is connected with medium back flow pipe, and the first heat exchange outlet is connected with overflow pipe,
Second heat exchange import is connected with medium supplement pipe, and the second heat exchange outlet is connected with steam generator.
Design is preferably as follows when being heated using high-temperature water：Described die heater also includes high-temperature water offer device, the high temperature
The hot water effluent end of water offer device is connected with medium input pipe, and hot water return end is connected with medium back flow pipe.
When two kinds of cooling mediums are used, actual temp control method is as follows：
When mould needs gradually to cool down, first a kind of first cooling medium lower than mold temperature, Ran Houzai are provided to mould
The second cooling medium is provided to mould, also, the second coolant temperature is less than the first cooling medium, until mold temperature is cooled down
To design temperature.
When three kinds of cooling mediums are used, actual temp control method is as follows：
When mould needs gradually to cool down, first a kind of first cooling medium lower than mold temperature, Ran Houzai are provided to mould
The second cooling medium is provided to mould, then the 3rd cooling medium is provided to mould again, also, the second coolant temperature is less than
First cooling medium, the temperature of the 3rd cooling medium is less than the second cooling medium, until mold temperature is cooled to design temperature being
Only.
Compared with prior art, the utility model has the advantage of：Using two or more different medium to mould
Cooled down step by step so that cooling is reliable and stable, advantageously ensures that the quality of product in mould, meanwhile, cool time greatly contracts
It is short, improve production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation of embodiment 1.
Fig. 2 is the structural representation of embodiment 2.
Fig. 3 is the structural representation of embodiment 3.
Fig. 4 is the structural representation of embodiment 4
Specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment 1, as shown in figure 1, die heater in the present embodiment include the first offer device 1, the second offer device 2,
Medium input pipe 3, medium back flow pipe 6, overflow pipe 5, air inlet pipe 4 and medium supplement pipe 100.
First offer device 1 can provide the first cooling medium and have the first efferent duct 11 and the first input pipe 12；Second
Offer device 2 can provide the second cooling medium and have the second efferent duct 21 and the second input pipe 22, the second coolant temperature
Less than the first cooling medium, with the second efferent duct 21 to be connected in parallel, the first input pipe 12 and second is input into the first efferent duct 11
Pipe 22 is to be connected in parallel.
Medium input pipe 3 is all connected with the first efferent duct 11 and the second efferent duct 21, and the medium input pipe 3 has medium defeated
Go out end 31；Medium back flow pipe 6 is all connected with the first input pipe 12 and the second input pipe 22.
Overflow pipe 5 is connected with the first offer device 1 and the second offer device 2, and the air inlet pipe 4 for emptying medium is defeated with medium
Enter pipe 3 to connect, for emptying medium.Medium supplement pipe 100 is connected with the first offer device 1 and the second offer device 2.
The first offer device 1 and the second offer device 2 are equipped with pressure-reducing valve, heater, open and close valve in the present embodiment, temperature
Degree sensor etc..Medium input pipe 3 in the present embodiment has two medium output ends 31, accordingly, medium back flow pipe 6 and two
Individual medium input 61, so design can improve the depanning quality of cooling efficiency and product.
The first cold air medium and the second cooling medium use same medium in the present embodiment, as needed can also certainly
It is not reinflated here using different types of medium.
When mould 10 needs gradually to cool down, a kind of first cooling medium lower than mold temperature first is provided to mould 10, so
The second cooling medium is provided to mould 10 again afterwards, untill the temperature of mould 10 is cooled to design temperature.
Embodiment 2, as shown in Fig. 2 the die heater in the present embodiment also includes steam generator 8 and heat exchanger 7, the steam
The outlet side of generator 8 is connected with medium input pipe 3, and the first heat exchange import of heat exchanger 7 is connected with medium back flow pipe 6, the
One heat exchange outlet is connected with overflow pipe 5, and the second heat exchange import and medium supplement pipe 100 are connected, the second heat exchange outlet with
Steam generator 8 is connected.
Embodiment 3, as shown in figure 3, the die heater in the present embodiment also includes high-temperature water offer device 101, the high-temperature water
The hot water effluent end of offer device 101 is connected with medium input pipe 3, and hot water return end is connected with medium back flow pipe 6.Other structures
Reference implementation example 1.The present embodiment is heated up using high-temperature water, then realizes cooling using the structure of embodiment 1.
The present embodiment is heated up using steam, then realizes cooling using the structure of embodiment 1.
Embodiment 4, as shown in figure 4, the die heater in the present embodiment also includes that can provide the 3rd of the 3rd cooling medium carries
For device, the 3rd offer device is connected with the 3rd efferent duct 103 being connected with medium input pipe 3 and with medium back flow pipe 6
The 3rd input pipe 104, the temperature of the 3rd cooling medium is less than the second cooling medium.The first cooling medium in the present embodiment,
Second cooling medium and the 3rd cooling medium can use same material, it would however also be possible to employ material not of the same race.
When mould 10 needs gradually to cool down, a kind of first cooling medium lower than the temperature of mould 10 first is provided to mould 10,
Then the second cooling medium is provided to mould 10 again, then the 3rd cooling medium is provided to mould again, until the temperature of mould 10 is cold
But to design temperature.
For example to the shaping of special PMMA (also known as acrylic) heavy wall automobile collector lens.Traditional handicraft shaping uses high temperature
Mould is heated, then using natural cooling or slow cooling mode, to wall thickness part molding cycle generally more than 800 seconds, is had
Even more than 1000 seconds；Using high-temperature heating, the different temperatures medium type of cooling (i.e. the refrigerating mode of the present embodiment 4), efficiency
More than 30% can be lifted.
Slow cooling mode case：For example when assuming that it is 150 degrees Celsius to cool down front mold temperature, first using 120 degrees Celsius of Jie
Matter is allowed to cool during close to 120 degrees Celsius by mould, then is allowed to cool by mould using 80 degrees Celsius of medium and is connect
Nearly 80 degrees Celsius, untill the temperature that chilling temperature reaches setting.
Claims (7)
1. a kind of die heater, it is characterised in that at least include
First offer device, can provide the first cooling medium and have at least one first efferent ducts and the first input pipe；
Second offer device, can provide the second cooling medium and have at least one second efferent ducts and the second input pipe, also,
The second foregoing coolant temperature is less than the first cooling medium, and the first foregoing efferent duct connects with the second efferent duct in parallel
Connect, the first foregoing input pipe and the second input pipe are to be connected in parallel；
Medium input pipe, is all connected with foregoing the first efferent duct and the second efferent duct, and the medium input pipe has at least one
Medium output end；And
Medium back flow pipe, is all connected with foregoing the first input pipe and the second input pipe.
2. die heater according to claim 1, it is characterised in that the die heater also includes that the 3rd cooling medium can be provided
3rd offer device, the 3rd offer device has at least one the 3rd efferent duct being connected with medium input pipe and is returned with medium
3rd input pipe of flow tube connection, the temperature of foregoing 3rd cooling medium is less than the second cooling medium.
3. die heater according to claim 2, it is characterised in that the first described offer device and the second offer device are extremely
It is one of few that there is overflow pipe.
4. die heater according to claim 3, it is characterised in that the medium input pipe is circumscribed with for emptying medium
Air inlet pipe.
5. die heater according to claim 4, it is characterised in that the first described offer device and the second offer device connect
It is connected to medium supplement pipe.
6. die heater according to claim 4, it is characterised in that described die heater also includes steam generator and heat exchange
Device, the outlet side of the steam generator is connected with medium input pipe, and the first heat exchange import of foregoing heat exchanger is returned with medium
Flow tube is connected, and the first heat exchange outlet is connected with overflow pipe, and the second heat exchange import is connected with medium supplement pipe, the second heat exchange
Outlet is connected with steam generator.
7. die heater according to claim 1, it is characterised in that described die heater also includes high-temperature water offer device, should
The hot water effluent end of high-temperature water offer device is connected with medium input pipe, and hot water return end is connected with medium back flow pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621373635.7U CN206242444U (en) | 2016-12-14 | 2016-12-14 | Die heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621373635.7U CN206242444U (en) | 2016-12-14 | 2016-12-14 | Die heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206242444U true CN206242444U (en) | 2017-06-13 |
Family
ID=59007421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621373635.7U Expired - Fee Related CN206242444U (en) | 2016-12-14 | 2016-12-14 | Die heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206242444U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738729A (en) * | 2016-12-14 | 2017-05-31 | 宁波市百鸽智能科技有限公司 | Die heater and its temprature control method |
| CN110920138A (en) * | 2019-12-19 | 2020-03-27 | 黄河水利职业技术学院 | Automatic auxiliary cooling device for mold treatment |
-
2016
- 2016-12-14 CN CN201621373635.7U patent/CN206242444U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106738729A (en) * | 2016-12-14 | 2017-05-31 | 宁波市百鸽智能科技有限公司 | Die heater and its temprature control method |
| CN110920138A (en) * | 2019-12-19 | 2020-03-27 | 黄河水利职业技术学院 | Automatic auxiliary cooling device for mold treatment |
| CN110920138B (en) * | 2019-12-19 | 2021-06-08 | 黄河水利职业技术学院 | Automatic auxiliary cooling device for mold treatment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20211214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |