CN106313405A - Mold system with high/low-temperature rapid conversion function - Google Patents
Mold system with high/low-temperature rapid conversion function Download PDFInfo
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- CN106313405A CN106313405A CN201610831639.3A CN201610831639A CN106313405A CN 106313405 A CN106313405 A CN 106313405A CN 201610831639 A CN201610831639 A CN 201610831639A CN 106313405 A CN106313405 A CN 106313405A
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- temperature
- low temperature
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- 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
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/32—Component parts, details or accessories; Auxiliary operations
- B29C43/52—Heating or cooling
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Abstract
The invention discloses a mold system with a high/low-temperature fast conversion function. An upper mold plate and a lower mold plate of a mold are each internally provided with a snake-shaped pipe. The upper mold snake-shaped pipe and a high-temperature circulating system form an independent loop. The lower mold snake-shaped pipe and a cooling circulating system form an independent loop. A circulating fluid medium is adopted for the high-temperature circulating system for heating, a circulating fluid medium is adopted for the cooling circulating system for cooling, and the loop of the high-temperature circulating system and the loop of the low-temperature circulating system are each provided with a switching valve. According to the mold system with the high/low-temperature fast conversion function, the mold can be heated or cooled rapidly through high-temperature fluid or low-temperature fluid, high/low temperature rapid conversion of the mold is achieved, it is guaranteed that a material (or a component) is shaped under a uniform temperature field, internal stress distribution is uniform, and it is guaranteed that the performance of products is stable and deformation is prevented; and besides, rapid and safe demolding can be achieved.
Description
Technical field
The invention belongs to compression molding technology field, be specifically related to one and utilize liquid medium to realize high/low temperature quickly to turn
The mold system changed.
Background technology
Mould pressing process is that one prepared by material (or component) is ancient and one of effective technique, and it is by a certain amount of
Molding compound puts into metal in mould, under certain temperature and pressure effect, makes molding compound one of curing molding in die cavity
Processing method.Mould has appreciable impact to the success of die press technology for forming.
When using die press technology for forming to prepare various types of materials and component, especially thermoplastic (or thermosetting) property plastics and multiple
During condensation material, mould is often needed to convert between 80～300/0～50 DEG C, in high temperature environments, it is achieved material is at the mould of high temperature
Flowing in tool die cavity, mold filling also solidify, and then in sizing, the demoulding in the mould cavity of relative low temperature, at low ambient temperatures may be used
Gather cold in atmosphere after preventing material or the component demoulding and deform.
Therefore, how to realize mould and quickly cool down from high-temperature condition, be to improve it is critical to of mould pressing process working (machining) efficiency
Element, traditional mould only has heating function, and cooling is general by natural cooling or to be cooled down by fan air blast, causes mould to cool down
Efficiency is low, has a strong impact on the work efficiency even product properties of mold pressing.The part mould that presently, there are possesses has water-cooled or oil cold
Heating, cooling system, but the temperature of liquid medium needs also exist for the longer time between high temperature and low temperature are changed, and
The temperature fast transition of liquid medium is very big for the energy consumption of heat transmission equipment, inadequate energy-conserving and environment-protective.
Summary of the invention
Present invention solves the technical problem that and be: for heating present in existing mould pressing process and cooling down conversion overlong time
Affect the performance of pressing or the problem of production efficiency, it is provided that one saves the energy, efficiency is high, the suitability is strong, product effect
The mold system of good, safe high/low temperature rapid translating.
The present invention adopts the following technical scheme that realization:
The mold system of a kind of high/low temperature rapid translating, is respectively equipped with snakelike in the cope match-plate pattern of described mould and lower bolster
Pipe, upper mold coil and lower mold coil form independent loop with high temperature circulation system and cooling recirculation system respectively；
Wherein, described high temperature circulation system and cooling recirculation system all use the fluid media (medium) of circulation to carry out adding hot and cold
But, the parallel connection respectively of the loop of described high temperature circulation system and the loop of cold cycle system shares two groups of coils, and at high temperature
It is respectively provided with switch valve on the loop of blood circulation and the loop of cold cycle system.
Further, described high temperature circulation system has for loading the high-temperature cabinet adding thermal medium, inside described high-temperature cabinet
Being provided with heater and high-temperature control module, the thermal medium that adds in high-temperature cabinet is heated by described heater, described high-temperature control
Module is to heater and adds the temperature of thermal medium and is monitored；Described high-temperature cabinet is provided with delivery port and refluxing opening, and in conveying
Mouth arranges high temperature transmission pump, the delivery port of described high-temperature cabinet and refluxing opening and passes through pipeline also with upper mold coil and lower mold coil
Connection connects.
Described cold cycle system has the cryostat for loading cooling medium, is provided with cooler inside described cryostat
With low temperature control module, the cooling medium in cryostat is cooled down by described cooler, and described low temperature control module is to cooling
The temperature of device and cooling medium is monitored；Described cryostat is provided with delivery port and refluxing opening, and arranges low temperature at delivery port
Transmission pump, delivery port and the refluxing opening of described cryostat are connected in parallel by pipeline with upper mold coil and lower mold coil.
Further, in described high-temperature cabinet and cryostat, it is respectively equipped with agitator, for high-temperature medium and cooling are situated between
Matter is stirred.
In technique scheme, delivery port and refluxing opening at described high-temperature cabinet are respectively equipped with high temperature pumping valve and height
Temperature return valve, the delivery port of described cryostat and refluxing opening are respectively equipped with temperature pumping valve and low temperature reflux valve.
On this basis, can be interconnected mutually by joint between described high temperature circulation system circuit and cold cycle system circuit
Logical.
It is further preferred that between described high-temperature cabinet delivery port and the delivery port of cryostat, described high-temperature cabinet refluxing opening and
Directly connecting between cryostat refluxing opening, i.e. the loop of high temperature circulation system and the loop of cold cycle system are in snake pipe
Circulating direction the most identical.
In the present invention, described fluid media (medium) uses and adds deep fat, dimethicone or water
Described heater uses spiral, rustless steel or flange form electric heating tube, and described cooler uses totally-enclosed compressor
Refrigerator.
In the technique scheme of the present invention, by reasonably connecting, make the snake pipe cavity of mould and high temperature and low
Incubator is connected, and forms the high temperature and cryogenic circulation loop that can independently control, makes high temperature (or low temperature) liquid independently to control, and solely
Vertical circulation.
The present invention is in high/low temperature fast transition process, when mould needs heating, first closes returning of cold cycle system
Road, opens the loop of high temperature circulation system, makes high-temp liquid circulate in the snake pipe cavity of mould by high temperature transmission pump,
Realize being rapidly heated of mould；And when mould need to be cooled down, then close the loop of high temperature circulation system, open cold cycle system
Loop, make cryogenic liquid circulate in the snakelike cavity of mould by low temperature transmission pump, it is achieved the quick cooling of mould.
The present invention, in high temperature circulation system and cold cycle system, all uses temperature control system heating (or cooling) high-temperature cabinet
Or the liquid medium in cryostat, by the interior agitator that sets, liquid medium is stirred, it is ensured that in casing, temperature of liquid is uniform
Stable, by closing the loop between cryostat (or high-temperature cabinet) and mould coil, it is ensured that high-temperature cabinet (or cryostat) and mould
Form independent completion loop between tool, then provide power by transmission pump, make high-temperature medium (or cryogenic media) at mould with high
Circulate between incubator (or cryostat), it is achieved the quickly heating (or cooling) of mould.
From the above mentioned, can to pass through high temperature (or low temperature) liquid fast for a kind of high/low temperature rapid translating mould disclosed by the invention
Speed heating (or cooling) mould, it is achieved the rapid translating of the high/low temperature of mould, on the one hand can ensure that material (or component) is all
Shape under even temperature field, make internal stress be evenly distributed, it is ensured that product properties is stable and prevents deformation；On the other hand also can realize
Quickly, the safe demoulding.
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the connection diagram of the mold system of a kind of high/low temperature rapid translating in embodiment.
Label in figure: 1-high temperature circulation system, 101-high-temperature control module, 102-high-temperature stirring device, 103-heater,
104-high-temperature cabinet, 105-high temperature reflux valve, 106-high temperature transmission pump, 107-high temperature pumping valve, 2-cold cycle system,
201-low temperature control module, 202-low temperature agitator, 203-cooler, 204-cryostat, 205-low temperature reflux valve, 206-is low
Temperature transmission pump, 207-temperature pumping valve, 3-cope match-plate pattern, 301-upper mold coil, 4-lower bolster, 401-lower mold coil.
Detailed description of the invention
Embodiment
See Fig. 1, it is illustrated that in the mold system of a kind of high/low temperature rapid translating be the preferred embodiment of the present invention,
Specifically include high temperature circulation system 1, cold cycle system 2 and the die assembly being made up of cope match-plate pattern 3 and lower bolster 4 matched moulds,
Upper mold coil 301 and lower bolster 401 it is respectively equipped with, for the mold pressing in dies cavity inside cope match-plate pattern 3 and lower bolster 4
Material is heated or cooled.Upper mold coil 301 and lower mold coil 401 circulate with high temperature circulation system 1 and cooling respectively
System 2 forms independent loop, and described high temperature circulation system 1 and cooling recirculation system 2 all use the fluid media (medium) of circulation to carry out
The parallel connection respectively of heating and cooling, the loop of described high temperature circulation system and the loop of cold cycle system shares two groups of coils,
And it is respectively provided with switch valve on the loop of the loop of high temperature circulation system and cold cycle system, it is achieved heat and cool down
It is switched fast.
Concrete, high temperature circulation system 1 includes high-temperature control module 101, high-temperature stirring device 102, heater 103, high temperature
Case 104, high temperature reflux valve 105, high temperature transmission pump 106 and high temperature pumping valve 107, wherein high-temperature cabinet 104 is for loading
Adding the container of thermal medium, high-temperature control module 101, high-temperature stirring device 102 and heater 103 are arranged in high-temperature cabinet, wherein
The thermal medium that adds in high-temperature cabinet is heated by described heater 103, and heater and heating are situated between by described high-temperature control module 101
The temperature of matter is monitored, and high-temperature stirring device 102 carries out uniform stirring to adding thermal medium, improves the being heated evenly property of medium.Institute
State high-temperature cabinet 104 and be provided with delivery port and refluxing opening, be disposed with high temperature transmission pump 106 and high temperature pumping valve at delivery port
107, and extraction pipeline is connected in parallel to upper mold coil and the arrival end of lower mold coil, upper mold Serpentis at high temperature pumping valve
The port of export of shape pipe and lower mold coil is connected in parallel to the refluxing opening of high-temperature cabinet by pipeline, and arranges high temperature at refluxing opening
Return valve 105, forms the shunt circuit between high-temperature cabinet and upper mold coil and lower mold coil.
Same, cold cycle system 2 includes low temperature control module 201, low temperature agitator 202, cooler 203, low temperature
Case 204, low temperature reflux valve 205, low temperature transmission pump 206 and temperature pumping valve 207, wherein cryostat 204 is for loading
The container of cooling medium, low temperature control module 201, low temperature agitator 202 and cooler 203 are arranged in cryostat, wherein
Cooling medium in cryostat is cooled by described cooler 203, and described low temperature control module 201 is to cooler and cold
But the temperature of medium is monitored, and low temperature agitator 202 carries out uniform stirring to cooling medium, and the cooling improving medium is uniform
Property.Being again provided with delivery port and refluxing opening on described cryostat 104, the delivery port at cryostat is disposed with low temperature transmission pump
206 and temperature pumping valve 207, and at temperature pumping valve, draw pipeline be connected in parallel to upper mold coil and lower mold is snakelike
The arrival end of pipe, the port of export of upper mold coil and lower mold coil is connected in parallel to the refluxing opening of cryostat by pipeline, and
Low temperature reflux valve 205 is set at refluxing opening, forms that cryostat is in parallel with between upper mold coil and lower mold coil to return
Road.
The present embodiment is respectively equipped with high temperature pumping valve 107 and high temperature at delivery port and the refluxing opening of described high-temperature cabinet 104
Return valve 105, the delivery port of described cryostat 204 and refluxing opening are respectively equipped with temperature pumping valve 207 and low temperature reflux valve
Door 205, two groups of valves of high-temperature cabinet and two groups of valves of cryostat respectively constitute high temperature circulation system and cold cycle system connects
It is connected to the loop switch valve of coil, during one of which circuit communication, the valve closing in another group loop.
High-temperature control module 101 and low temperature control module 201 in the present embodiment are conventional temperature control modules, logical
Crossing the temperature detection to medium, control heater and cooler carries out thermostatic control to medium after feedback, this technology is this area
Conventional application, the present embodiment at this not control to temperature monitor and repeat.
The present embodiment is preferred, will pass through joint phase between described high temperature circulation system circuit and cold cycle system circuit
Intercommunicated, concrete as it is shown in figure 1, the delivery port of high-temperature cabinet delivery port in the present embodiment and cryostat is communicated to the most simultaneously
Mould coil and the input of lower mold coil, be the most also interconnected simultaneously, by high temperature pumping valve and cryopump
The switching sending valve to realize different circuit selects, and meanwhile, described high-temperature cabinet refluxing opening and cryostat refluxing opening are snakelike with upper mold
While pipe connects with the outfan of lower mold coil, the most directly connect, by high temperature reflux valve and low temperature reflux
Valve realizes the switching of different circuit, and high temperature pumping valve and high temperature reflux valve on high temperature circulation system circuit are opened simultaneously
Or simultaneously close off, temperature pumping valve and low temperature reflux valve on cold cycle system circuit are opened the most simultaneously or close simultaneously
Closing, use the connection scheme in the present embodiment, the loop of high temperature circulation system and the loop of cold cycle system are at snake pipe
In circulating direction consistent.
In the present invention, described fluid media (medium) use add deep fat or, dimethicone or water
Described heater uses spiral, rustless steel or flange form electric heating tube, and described cooler uses totally-enclosed compressor
Refrigerator.
With two concrete production instances, the present embodiment is described further below.
Example 1: the preparation of foam sandwich construction flat board
The preparation technology of the foam sandwich construction flat board in this example uses a kind of high/low temperature as shown in Figure 1 quickly turn
The mold system changed, concrete preparation method comprises the following steps successively:
1, high/low temperature rapid translating mold system is connected by Fig. 1；
2, temperature pumping valve 207 and low temperature reflux valve 205 are closed；
3, open heater 103 and high-temperature stirring device 102, make high boiling liquid in high-temperature cabinet (such as silicone oil) be uniformly heated to
80℃；
4, open cooler 203 and low temperature agitator 202, make high boiling liquid (such as silicone oil) in cryostat 204 the coldest
But to 20 DEG C；
5, open high temperature pumping valve 107 and high temperature reflux valve 205, make high-temperature cabinet form circulation with the coil of mould
Loop；
6, open high temperature transmission pump 106, make high-temp liquid circulate in the snakelike return duct of mould and high-temperature cabinet, make mould fast
Speed is warmed up to 80 DEG C and is incubated；
7, bonding plane being coated bonding agent, the order pressing eyelid covering, foam and upper eyelid covering places layers of material and keeps flat
On lower bolster 4；
8, matched moulds pressurize 30min；
9, close high temperature pumping valve 107 and high temperature reflux valve 205, open temperature pumping valve 207 and low temperature simultaneously
Return valve 205；
10, open low temperature transmission pump 206, make cryogenic liquid circulate in the snakelike return duct of mould and high-temperature cabinet, make mould
It is cooled fast to 20 DEG C and is incubated；
11, the demoulding, finishing, obtain foam battenboard.
Example 2: the preparation of glass fiber reinforced thermoplastics composite (GF/PP)
The preparation technology of the glass fiber reinforced thermoplastics composite (GF/PP) of this example use a kind of as shown in Figure 1
The mold system of high/low temperature rapid translating, concrete preparation method comprises the following steps successively:
1, high/low temperature rapid translating mold system is connected by Fig. 1；
2, temperature pumping valve 207 and low temperature reflux valve 205 are closed；
3, open heater 103 and high-temperature stirring device 102, make high boiling liquid in high-temperature cabinet (such as silicone oil) be uniformly heated to
200℃；
4, open cooler 203 and low temperature agitator 202, make high boiling liquid (such as silicone oil) in cryostat 204 the coldest
But to 20 DEG C；
5, open high temperature pumping valve 107 and high temperature reflux valve 205, make high-temperature cabinet form circulation with the coil of mould
Loop:
6, open high temperature transmission pump 106, make high-temp liquid circulate in the snakelike return duct of mould and high-temperature cabinet, make mould fast
Speed is warmed up to 80 DEG C and is incubated；
7, GF/PP prepreg placed in order and lie on lower bolster 4；
8, matched moulds pressurize 5min；
9, close high temperature pumping valve 107 and high temperature reflux valve 205, open temperature pumping valve 207 and low temperature simultaneously
Return valve 205；
10, open low temperature transmission pump 206, make cryogenic liquid circulate in the snakelike return duct of mould and high-temperature cabinet, make mould
It is cooled fast to 20 DEG C and is incubated；
11, the demoulding, finishing, obtain glass fiber reinforced thermoplastics composite plate.
From above-mentioned specific embodiment, the rapid translating mold system of a kind of high/low temperature of the present invention is the suitableeest
Together in foam sandwich construction flat board and the preparation of thermoplastic composite component.Apply aspects of the present inventions to composite wood
The preparation of material component, can significantly improve production efficiency, is simultaneously also beneficial to improve the quality of product, prevents deformation of products.
These are only that the present invention is embodied as case explanation, it is impossible to limit the scope of the present invention with this.All
The equivalence change made according to the present patent application claims and description and amendment, all in the scope of protection of the invention
In.
Claims (9)
1. a mold system for high/low temperature rapid translating, is respectively equipped with coil in the cope match-plate pattern of described mould and lower bolster,
It is characterized in that: upper mold coil and lower mold coil form independent returning respectively with high temperature circulation system and cooling recirculation system
Road；
Wherein, described high temperature circulation system and cooling recirculation system all use the fluid media (medium) of circulation to carry out heating and cooling down, and
The loop of the loop of high temperature circulation system and cold cycle system is respectively provided with switch valve.
The mold system of a kind of high/low temperature rapid translating the most according to claim 1, described high temperature circulation system has use
In loading the high-temperature cabinet adding thermal medium, being provided with heater and high-temperature control module inside described high-temperature cabinet, described heater is to height
The thermal medium that adds in incubator heats, and described high-temperature control module is to heater and adds the temperature of thermal medium and is monitored；
Described high-temperature cabinet is provided with delivery port and refluxing opening, and arranges high temperature transmission pump, the conveying of described high-temperature cabinet at delivery port
Mouth and refluxing opening are connected in parallel by pipeline with upper mold coil and lower mold coil.
The mold system of a kind of high/low temperature rapid translating the most according to claim 2, described cold cycle system has use
In the cryostat of filling cooling medium, being provided with cooler and low temperature control module inside described cryostat, described cooler is to low
Cooling medium in incubator cools down, and the temperature of cooler and cooling medium is monitored by described low temperature control module；
Described cryostat is provided with delivery port and refluxing opening, and arranges low temperature transmission pump, the conveying of described cryostat at delivery port
Mouth and refluxing opening are connected in parallel by pipeline with upper mold coil and lower mold coil.
Divide in the mold system of a kind of high/low temperature rapid translating the most according to claim 3, described high-temperature cabinet and cryostat
It is not provided with agitator, for high-temperature medium and cooling medium are stirred.
The mold system of a kind of high/low temperature rapid translating the most according to claim 3, the delivery port of described high-temperature cabinet and return
Head piece is respectively equipped with high temperature pumping valve and high temperature reflux valve, and delivery port and the refluxing opening of described cryostat are respectively equipped with low temperature
Pumping valve and low temperature reflux valve.
The mold system of a kind of high/low temperature rapid translating the most according to claim 5, described high temperature circulation system circuit and
It is interconnected by joint between cold cycle system circuit.
The mold system of a kind of high/low temperature rapid translating the most according to claim 6, described high-temperature cabinet delivery port and low temperature
Between the delivery port of case, directly connect between described high-temperature cabinet refluxing opening and cryostat refluxing opening.
8. according to the mold system of a kind of high/low temperature rapid translating according to any one of claim 1-7, described fluid media (medium)
Employing adds deep fat, dimethicone or water.
The mold system of a kind of high/low temperature rapid translating the most according to claim 8, described heater uses spiral, no
Rust steel or flange form electric heating tube, described cooler uses totally-enclosed compressor refrigerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831639.3A CN106313405A (en) | 2016-09-19 | 2016-09-19 | Mold system with high/low-temperature rapid conversion function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610831639.3A CN106313405A (en) | 2016-09-19 | 2016-09-19 | Mold system with high/low-temperature rapid conversion function |
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| CN106313405A true CN106313405A (en) | 2017-01-11 |
Family
ID=57788027
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610831639.3A Pending CN106313405A (en) | 2016-09-19 | 2016-09-19 | Mold system with high/low-temperature rapid conversion function |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106956446A (en) * | 2017-04-20 | 2017-07-18 | 咸宁海威复合材料制品有限公司 | The compression molding device and method of a kind of composite |
| CN107275470A (en) * | 2017-06-09 | 2017-10-20 | 于小峰 | A kind of device of periodicity heating cooling |
| CN108673826A (en) * | 2018-04-04 | 2018-10-19 | 安徽安缆模具有限公司 | One kind heating injection mold with type |
| CN109648767A (en) * | 2019-02-20 | 2019-04-19 | 广州特种承压设备检测研究院 | Compression molding device and compression molding method |
| CN110430847A (en) * | 2017-01-19 | 2019-11-08 | 酷尔系统公司 | System and method for rapid comparison therapy |
| CN111391258A (en) * | 2020-03-30 | 2020-07-10 | 珠海格力智能装备有限公司 | Heat exchange system |
| CN113352653A (en) * | 2021-07-16 | 2021-09-07 | 上海电气风电集团股份有限公司 | Mold circulating temperature rise and fall system and dehumidification method for polyurethane wind power blade |
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| CN110430847A (en) * | 2017-01-19 | 2019-11-08 | 酷尔系统公司 | System and method for rapid comparison therapy |
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| CN108673826A (en) * | 2018-04-04 | 2018-10-19 | 安徽安缆模具有限公司 | One kind heating injection mold with type |
| CN109648767A (en) * | 2019-02-20 | 2019-04-19 | 广州特种承压设备检测研究院 | Compression molding device and compression molding method |
| CN111391258A (en) * | 2020-03-30 | 2020-07-10 | 珠海格力智能装备有限公司 | Heat exchange system |
| CN113352653A (en) * | 2021-07-16 | 2021-09-07 | 上海电气风电集团股份有限公司 | Mold circulating temperature rise and fall system and dehumidification method for polyurethane wind power blade |
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Application publication date: 20170111 |