CN201450616U - Mold temperature control device - Google Patents
Mold temperature control device Download PDFInfo
- Publication number
- CN201450616U CN201450616U CN2009200605352U CN200920060535U CN201450616U CN 201450616 U CN201450616 U CN 201450616U CN 2009200605352 U CN2009200605352 U CN 2009200605352U CN 200920060535 U CN200920060535 U CN 200920060535U CN 201450616 U CN201450616 U CN 201450616U
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- heat conduction
- solid bar
- temperature control
- induction coil
- conduction solid
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Abstract
The utility model relates to a mold temperature control device which comprises an induced current generator and a conductive induction coil, and the induction coil is electrically connected with the induced current generator. The mold temperature control device is characterized in that the mold temperature control device further comprises a heat-conductive solid rod, a cooling device of the heat-conductive solid rod and a fixing device of the induction coil; the heat-conductive solid rod penetrates through the induction coil and inserts into a mold which needs to be heated; and the induction oil is mounted outside the mold. The mold temperature control device has the advantages that the temperature control is precise, the fast cooling and the fast heating are easy to realize, and the working requirement on high temperature from 80 DEG C to 500 DEG C is easy to realize for the mold.
Description
Technical field
The present invention relates to a kind of die temperature control device, particularly relate to the die temperature control device of controlling mold temperature on a kind of injection or the Die casting machine, by induction coil heating heat conduction solid bar mode.
Background technology
Existing die temperature control device generally adopts heating wire to add hot water or fluid body heat conduction media, flows into heating mould in the mould then.Wherein water heat conduction media can only be heated to 100 ℃ in principle, and oily heat conduction media can only be heated to 200 ℃ in principle, and the heat that this mode of heating liquid thermal conductivity media can carry seldom.Temperature needs the cycle alternation of rapid heating and cooling during the mold injects shaping work, determine mold temperature according to different injection materials, temperature requirement during mould high temperature is between 80 ℃ to 500 ℃, and water heat conduction media is heated to 100 ℃ and the oily heat conduction media mold heated to 80 that entrained heat will be made the huge steel of heat dissipation when being heated to 200 ℃ ℃ between 500 ℃, is difficult to reach requirement.So technical parameter of being sold on the market at present that die heater indicated or sales promotion parameter are all just emphasized the high energy of liquid thermal conductivity media and are heated to what degrees centigrade, can be heated to what degrees centigrade and painstakingly avoid mold temperature.And because the product size shape of moulding is widely different, cause mould volume shape difference very big, cause heat consumption to differ greatly, it is also variant to heat the mold temperature that arrives behind the mould of the liquid thermal conductivity media inflow different volumes of uniform temp, even difference is very big.The existing this liquid thermal conductivity media heated mold temperature control equipment that utilizes requires the automatic adjusting to the accurate mould temperature definite value of the mould condition of high temperature in the time of will realizing precise forming, be difficult to reach requirement.
Adopt the die temperature control device of resistance heating mode in the prior art in addition, the shortcoming of this device is both to have needed resistor rod and mould insulation, need resistor rod and mould heat conduction again, therefore this resistance heating mode cost height, short, easy generation of life-span are leaked electricity dangerous, resistor rod leads to the cooling water inconvenience, be difficult to realize that chilling and anxious heat, efficient are low.
The patent No. is 200710026536.0 utility model patent, discloses a kind of device of induction type heating mould, and it is mainly used in the make-up machine, this device mainly comprises a mould and a heating unit, wherein, described mould is arranged on the make-up machine, in order to injection mo(u)lding; Again, described heating unit can stretch in the die cavity of above-mentioned mould die cavity is carried out Fast Heating, and the magnetic line of force that this heating unit utilizes a heater coil to feed the generation of frequency conversion electric current concentrates on the mould, because the induction effect of electromagnetism, produce vortex current, mould then because of metal impedance itself by Fast Heating, treat that this mold heated is to a certain degree and carry out injection mo(u)lding.Want heating unit can be stretched in the die cavity of above-mentioned mould die cavity is carried out Fast Heating, because electromagnetic induction heating can only be that the heat conduction solid bar in the induction coil is heated, the metal outer to electromagnetic induction coil can't heat.The die cavity of this patent places outside the electromagnetic induction coil, so this patent wants that heating unit can be stretched in the die cavity of above-mentioned mould the mode that die cavity is carried out Fast Heating can't be realized.
Summary of the invention
First purpose of the present invention is to provide a kind of temperature control to realize chilling and die temperature control device suddenly hot, the job requirement of temperature between 80 ℃ to 500 ℃ when realizing mould high temperature easily accurately, easily.
Second purpose of the present invention is to provide a kind of temperature control to realize chilling and mold temperature control method suddenly hot, the job requirement of temperature between 80 ℃ to 500 ℃ when realizing mould high temperature easily accurately, easily.
A kind of die temperature control device comprises induced current generator, conduction induction coil, and induction coil is electrically connected with the induced current generator, also comprises heat conduction solid bar, heat conduction solid bar cooling device, the induction coil fixture; The heat conduction solid bar is passed induction coil and is stretched into and needs in the heated mold; Induction coil is installed in outside the mould.
Owing to adopt electromagnetic induction heating heat conduction solid bar, its advantage first is that the temperature of heat conduction solid bar can be heated to higher temperature as required, even can be heated to several thousand degrees centigrade, the job requirement of temperature between 80 ℃ to 500 ℃ in the time of can satisfying mould high temperature fully; The secondth, temperature control is to make the formed product quality good accurately; The 3rd is owing to adopted heat conduction solid bar cooling device, heat conduction solid bar can realize Fast Heating and fast cooling, thereby can realize the Fast Heating of mould and cooling fast; The 4th is that the heat conduction solid bar does not need seal outward, low, the long service life of cost; The heat conduction solid bar is generally goed deep in the cover half.The heat conduction solid bar is goed deep in the dynamic model under the situation of upside-down mounting mould, and the corresponding part of temperature control equipment is installed on the dynamic model.
As improvement, also comprise the heat conduction solid bar fixture that is installed on the mould; Heat conduction solid bar cooling device comprises first cooling passage that is arranged in the heat conduction solid bar fixture, and what be communicated with first cooling passage first advances cooling fluid mouth and first and go out the cooling fluid mouth; Heat conduction solid bar one end stretches in first cooling passage and is fixed on the heat conduction solid bar fixture, and the other end passes induction coil and stretches into and need in the heated mold.
The heat conduction solid bar is concentrated and is fixed in the heat conduction solid bar fixture, and links to each other with the cooling passage of heat conduction solid bar fixture, heat conduction solid bar convenient fixing, and heat conduction solid bar cooling device is simple.
As further improvement, above first cooling passage, be provided with the pore that is in communication with the outside, be convenient to the hot steam in first cooling passage is got rid of, avoid the hypertonia in first cooling passage.
As improvement, the induction coil fixture comprises two fixed blocks, and two fixed blocks are separately fixed at the both sides of heat conduction solid bar fixture, and induction coil is clamped and fixed between two fixed blocks.The fixture of this induction coil is simple, the induction coil convenient fixing.
As the improvement of another mode, the heat conduction solid bar is a hollow pipe, and heat conduction solid bar cooling device comprises second cooling passage that is arranged in the heat conduction solid bar, and what be communicated with second cooling passage second advances cooling fluid mouth and second and go out the cooling fluid mouth.Directly in the heat conduction solid bar, be provided with cooling passage, make heat conduction solid bar cooling effect better, easier realization chilling of heat conduction solid bar and mould molding face and anxious heat.
As the improvement of another kind of mode, the heat conduction solid bar is 0.5-50mm from the distance of mould molding face.This distance can improve heat utilization efficiency, avoids too much heat to dissipate from the surface of mould.
As the common improvement of such scheme, also be provided with the temperature inductor of induced dies temperature at the mould part that the heat conduction solid bar is installed.
Temperature inductor comprises infrared temperature inductor, temperature sensor etc.Temperature inductor can be arranged on the outer surface of mould, also can go deep into certain position of close die cavity in the mould.By the temperature of certain position of temperature inductor induced dies, and then the temperature of definite mold cavity, can make the temperature control of mold cavity very accurate.
Common improvement as such scheme is provided with Power Conditioning Unit on the induced current generator; Be provided with the temperature inductor of induced dies temperature at the mould part that the heat conduction solid bar is installed; Also be provided with induction dynamic model and cover half and divide the signalling of mould and mold closing operating state.
Pass through temperature inductor, signalling is regulated the induced current generator power automatically, divide mould and mold closing, the heat conduction solid bar heats and stops, the injection of cooling fluid and stopping etc. temperature inductor comprises the infrared temperature inductor, temperature sensor etc. temperature inductor can be arranged on the outer surface of mould, also can go deep into certain position of close die cavity in the mould. by the temperature of certain position of temperature inductor induced dies, and then the temperature of definite mold cavity, can make the temperature control of mold cavity very accurate. signalling comprises near switch, mechanical switch, photoelectric sensor switch, and switch is installed on fixture on mould or the machine etc.
Description of drawings
Fig. 1 is the perspective exploded view of embodiments of the invention 1.
Fig. 2 is the generalized section of the embodiment of the invention 1.
Fig. 3 is the perspective exploded view of embodiments of the invention 2.
Fig. 4 is the generalized section of the embodiment of the invention 2.
Embodiment
As figure, shown in Figure 2, a kind of die temperature control device comprises induced current generator 1, conduction induction coil 2, heat conductive rubber rod 3, is installed in copper rod fixture 4, copper rod cooling device on the cover half 17, induction coil fixture; Induction coil 2 is electrically connected with induced current generator 1; Heat conductive rubber rod 3 passes induction coil 2 and stretches in the cover half that needs heating; Induction coil 2 is installed in outside the cover half 17.
The induction coil fixture comprises fixed block 14, fixed block 15, and fixed block 14, fixed block 15 are separately fixed at the both sides of copper rod fixture 4, and induction coil 2 is clamped and fixed in 15 of fixed block 14, fixed blocks.
Also be provided with the temperature inductor 16 of induced dies temperature in the cover half part that heat conductive rubber rod 3 is installed, temperature inductor 16 is arranged on the outer surface of mould.
After formed product is finished, 17 fens moulds of dynamic model 18 and cover half, after dividing mould to finish, product stripping, stop after the demoulding in first cooling passage 8, injecting cooling fluid, heat conductive rubber rods 3 are heated in induction coil 2 energisings simultaneously, dynamic model 18 and cover half 17 beginnings are closed, dynamic model 18 and the closed fully back of cover half 17 cover half 17 have been heated to than higher temperature, during the product injection, continue energising heating heat conductive rubber rod 3, after product injection moulding was finished, induction coil 2 outages stopped to heat heat conductive rubber rod 3, inject cooling fluid to first cooling passage 8 simultaneously, make the product cooling forming; So periodic duty.
As shown in Figure 3, Figure 4, as different from Example 1, the heat conduction solid bar is a copper rod 20, the copper rod cooling device comprises second cooling passage 21 that is arranged in the copper rod 20, what be communicated with second cooling passage 21 second advances cooling fluid mouth 22 and second and goes out cooling fluid mouth 23, the three cooling liquid outlets 23 and be communicated with first cooling passage 8.Copper rod 20 is 0.5mm from the distance of mould molding face.
On induced current generator 1, be provided with Power Conditioning Unit. be provided with the temperature inductor 24 of induced dies temperature at the mould part that copper rod 20 is installed, temperature inductor 24 gos deep in the mould near the die cavity (not shown). and be provided with induction cover half and cover half and divide the signaling switch of mould and mold closing operating state on the die joint of mould cover half, signaling switch is near switch 25.
After formed product is finished, 17 fens moulds of dynamic model 18 and cover half, after dividing mould to finish, product stripping, stop after the demoulding injecting cooling fluid in second cooling passage 21, induction coil 2 energising heating copper rods 20, dynamic model 18 and cover half 17 beginnings simultaneously are closed, and dynamic model 18 and the closed fully back of cover half 17 cover half 17 have been heated to than higher temperature, during the product injection, copper rod 20 is heated to design temperature to be stopped heating or stops heating according to need with the delay adjustments time; In second cooling passage 21, inject cooling fluid after the formed product, make the product cooling forming; So periodic duty.
Claims (8)
1. a die temperature control device comprises induced current generator, conduction induction coil, and induction coil is electrically connected with the induced current generator, it is characterized in that: also comprise heat conduction solid bar, heat conduction solid bar cooling device, the induction coil fixture; The heat conduction solid bar is passed induction coil and is stretched into and needs in the heated mold; Induction coil is installed in outside the mould.
2. a kind of die temperature control device as claimed in claim 1 is characterized in that: also comprise the heat conduction solid bar fixture that is installed on the mould; Heat conduction solid bar cooling device comprises first cooling passage that is arranged in the heat conduction solid bar fixture, and what be communicated with first cooling passage first advances cooling fluid mouth and first and go out the cooling fluid mouth; Heat conduction solid bar one end stretches in first cooling passage and is fixed on the heat conduction solid bar fixture, and the other end passes induction coil and stretches into and need in the heated mold.
3. a kind of die temperature control device as claimed in claim 2 is characterized in that: be provided with the pore that is in communication with the outside above first cooling passage.
4. a kind of die temperature control device as claimed in claim 2, it is characterized in that: the induction coil fixture comprises two fixed blocks, two fixed blocks are separately fixed at the both sides of heat conduction solid bar fixture, and induction coil is clamped and fixed between two fixed blocks.
5. a kind of die temperature control device as claimed in claim 1, it is characterized in that: the heat conduction solid bar is a hollow pipe, cooling device comprises second cooling passage that is arranged in the heat conduction solid bar, and what be communicated with second cooling passage second advances cooling fluid mouth and second and go out the cooling fluid mouth.
6. a kind of die temperature control device as claimed in claim 1 is characterized in that: the heat conduction solid bar is 0.5-50mm from the distance of mould molding face.
7. as any described a kind of die temperature control device of claim 1 to 6, it is characterized in that: the temperature inductor that also is provided with the induced dies temperature at the mould part that the heat conduction solid bar is installed.
8. require 1 to 6 any described a kind of die temperature control device as claim, it is characterized in that: on the induced current generator, be provided with Power Conditioning Unit; Be provided with the temperature inductor of induced dies temperature at the mould part that the heat conduction solid bar is installed; Also be provided with induction dynamic model and cover half and divide the signalling of mould and mold closing operating state.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009200605352U CN201450616U (en) | 2009-07-15 | 2009-07-15 | Mold temperature control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009200605352U CN201450616U (en) | 2009-07-15 | 2009-07-15 | Mold temperature control device |
Publications (1)
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CN201450616U true CN201450616U (en) | 2010-05-05 |
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Family Applications (1)
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CN2009200605352U Expired - Fee Related CN201450616U (en) | 2009-07-15 | 2009-07-15 | Mold temperature control device |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103736965A (en) * | 2013-12-31 | 2014-04-23 | 广州市型腔模具制造有限公司 | Temperature control method for magnesium alloy pressure casing die |
CN106332927A (en) * | 2015-06-17 | 2017-01-18 | 黄素夏 | Automatic meatball machine special-purpose die |
CN110303622A (en) * | 2018-03-20 | 2019-10-08 | 张艳琛 | A kind of cold formed equipment die group of electromagnetic energy hot briquetting |
CN112726422A (en) * | 2021-01-31 | 2021-04-30 | 班玉杰 | Box girder template for municipal administration road and bridge construction |
-
2009
- 2009-07-15 CN CN2009200605352U patent/CN201450616U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103736965A (en) * | 2013-12-31 | 2014-04-23 | 广州市型腔模具制造有限公司 | Temperature control method for magnesium alloy pressure casing die |
CN103736965B (en) * | 2013-12-31 | 2015-11-25 | 广州市型腔模具制造有限公司 | The temperature-controlled process of magnesium alloy die casting mould |
CN106332927A (en) * | 2015-06-17 | 2017-01-18 | 黄素夏 | Automatic meatball machine special-purpose die |
CN110303622A (en) * | 2018-03-20 | 2019-10-08 | 张艳琛 | A kind of cold formed equipment die group of electromagnetic energy hot briquetting |
CN112726422A (en) * | 2021-01-31 | 2021-04-30 | 班玉杰 | Box girder template for municipal administration road and bridge construction |
CN112726422B (en) * | 2021-01-31 | 2022-06-07 | 班玉杰 | Box girder template for municipal administration road and bridge construction |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20120715 |