CN201597134U - Mold heating and cooling device - Google Patents
Mold heating and cooling device Download PDFInfo
- Publication number
- CN201597134U CN201597134U CN2009202380781U CN200920238078U CN201597134U CN 201597134 U CN201597134 U CN 201597134U CN 2009202380781 U CN2009202380781 U CN 2009202380781U CN 200920238078 U CN200920238078 U CN 200920238078U CN 201597134 U CN201597134 U CN 201597134U
- Authority
- CN
- China
- Prior art keywords
- cooling
- heating
- hole
- heater element
- stick
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A mold heating and cooling device comprises heating and cooling bar containing grooves with set numbers, and heating and cooling bars. The heating and cooling bar containing grooves are arranged in a mold core with a forming surface; the heating and cooling bars are contained inside the heating and cooling bar containing grooves; each heating and cooling bar comprises a heating and cooling bar body and a heating element; a cooling heat insulation hole and a heating element containing hole are coaxially arranged inside the heating and cooling bar body; the cooling heat insulation hole is used for filling cooling media into a mold when the mold needs to be cooled; the heating element containing hole is used for exhausting the cooling media into the mold when the mold needs to be heated; the heating element is installed inside the heating element containing hole; and each heating and cooling bar is provided with the forming surface of the mold core close to one side of the heating element. The mold heating and cooling device has the advantages that as the forming surface can be heated and cooled rapidly and evenly, and heated rapidly to approach or equal to the temperature of a fused material, thereby forming products have fine quality, even color, even density and small water contraction, reduce injection pressure and product deformation caused by residual stress when the fused material is condensed and formed. Besides, weld marks, flow marks and surface foaming of the products can be avoided.
Description
Technical field
The utility model relates to a kind of mold heated cooling device, particularly relates to the heating cooling stick of the mold heated cooling device on the make-up machines such as a kind of injection or die casting.
Background technology
The injection forming method of plastic cement or metal etc. is meant the forming cavity that the plastic cement of molten condition or metal etc. is injected mould, obtains the product consistent with die cavity behind the cooling forming.In the ejection formation process, need to realize that the heating-cooling device of mould rapid heat cycle controls the temperature of mould.
Existing heating rod can only provide the function of heating, and as electrically heated rod, when mould need heat, electrically heated rod did not have heat insulating function, and heat is along the radially evenly heating of heating rod, and thermal loss is big, and mould is difficult to realize rapidly and evenly heating; In when cooling, heating rod does not have the function of cooling passage, heating rod need from heating rod at least several centimetres far away cooling passage cool off, cooling effect is bad, be difficult to realize mould rapidly and evenly cooling.
Existing mold heated cooling device, a kind of employing electrical bar add hot water or fluid body heat conduction media, flow 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 60 ℃ to 500 ℃, and water heat conduction media is heated to 100 ℃ and the oily heat conduction media mold heated to 60 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 product size, the shape difference of moulding are very big, cause the mould volume 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 heating-cooling device that utilizes requires mould to reach the desired condition of high temperature and accurate mould temperature definite value in the time of will realizing precise forming, be difficult to realize.
China Patent No. is in 200810015094.4 the patent of invention, a kind of electrical heating type temperature control device of high-gloss injection mold is provided, the columniform cooling water channel that utilization is embedded in the mould cools off injection mold, this Electric heating, though simple in structure, the temperature requirement in the time of also satisfying mould high temperature between 60 ℃ to 500 ℃.But because cooling water channel and heating are staggered, and cooling water channel and heating are cylindrical, when mould need heat, though only be filled with air in the cooling water channel, but because heating is facing to the gap of two cooling water channels that are adjacent, the heat of heating is basic identical along the heat of heating rod radial direction conduction, cooling water channel does not almost have heat-blocking action to heating, heat can not be concentrated towards the direction of core rod forming surface and flow, the non-uniform temperature of core rod forming surface and be difficult to heat up rapidly when therefore causing heating easily.In like manner, when mould need cool off,,, be exactly to arrange near cooling water channel because heating is far away from cooling water channel to the logical cooling medium of cooling water channel, because it is its adjacent face only is a line, also poor to the cooling effect of heating.And because the temperature of heating when heating is the highest, regional temperature near heating can be high than the temperature away from the heating zone, the heat of the heating water channel that can not be cooled is very soon again taken away during cooling, the non-uniform temperature of core rod forming surface and be difficult to quick cooling when therefore causing cooling easily.
As Figure 23, shown in Figure 24, existing a kind of mould, the cooling piece 402 that comprises core rod 401, fits fully with core rod with forming surface.The die cavity wall thickness of core rod 401 designs thinlyyer, be generally 10-20mm, its core surface corresponding 404 and forming surface 403 form fit with forming surface 403, identical or roughly the same, in core rod 401, be provided with the heating element heater (not shown), in cooling piece 402, be provided with the cooling-water duct (not shown).The face 405 that the mould of this structure, the core surface 404 corresponding with forming surface 403, cooling piece 402 and core rod 401 are fitted all need be processed into and the abundant shapes of coupling of forming surface 403 complex structure, processing charges costliness.During cooling, need to be taken away by cooling piece 402 heat of core rod 401, because cooling piece 402 separates with core rod 401, its faying face can leave the gap all the time, can reduce heat-conductive characteristic greatly, and cooling effect is bad; Because cooling piece 402 is fitted with core rod 401, do not have heat insulation structural again during heating, cooling piece 402 can be taken away many heats, reduces heat utilization efficiency.
In the patent of invention of the mould that be 200711818 in the Taiwan patent No., name is called the ejaculation moulding machine with heat transfer component; a kind of mould is disclosed; inner formword, heat pass parts, internal mold gripper shoe in the middle of comprising; on middle inner formword, be provided with electric heater; on the internal mold gripper shoe, be provided with cooling water pipe; except that the die cavity face, on middle inner formword, heat biography parts and internal mold gripper shoe, all need process the face that matches with the die cavity face, the processing charges costliness.The spring that separates when being provided with middle inner formword with the internal mold gripper shoe in die sinking between middle inner formword and internal mold gripper shoe, heat transfer component remains on the internal mold gripper shoe when dividing mould.The mould of this structure, water flowing all the time in the cooling water channel.Mold heated is given in electric heater work during die sinking, during matched moulds or the time electric heater of delay adjustments quit work, take away the heat that heat passes parts by the internal mold gripper shoe, by heat pass parts take away in the middle of the heat of inner formword.The mould of this structure though middle inner formword separates with the internal mold gripper shoe when heating, stops heat biography parts and internal mold gripper shoe to take away the heat of electric heater during mold heated, electric heater still directly is exposed in the air, and effect of heat insulation still is bad.When particularly cooling off, because the internal mold gripper shoe is separated with inner formword, its faying face always can produce the gap, and this can cause heat conductivity to reduce greatly, makes the cooling effect of mould bad.Solution of the present invention increases heat transfer component, the hardness of heat transfer component is less than internal mold gripper shoe and inner formword, if adopt copper etc., at binding face still is gapped existence, adopt spawn, spawn is difficult to be evenly distributed, and is difficult to also guarantee that internal mold gripper shoe and inner formword do not have the gap fully and fit, and the thermal conductivity of spawn can not show a candle to the thermal conductivity of metal, so the cooling effect of mould still is bad.
Above-mentioned existing mold heated cooling device, all be difficult to realize the heating rapidly of mould or low cost or high rigidity or process-cycle weak point and evenly heat, cool off rapidly and evenly cool off, influence the FINAL APPEARANCE and the internal soundness of injection-molded product, easily producing on the product that weld mark, current mark, lustre lacking uniformity, product density are inhomogeneous, surface blistering, shrink, needing very big injection pressure and significant deficiency such as the product that causes because of residual stress is yielding behind the melted material coagulation forming.
Summary of the invention
First purpose of the present utility model is to provide a kind of not only to be had heating function and also has heat insulating function when mould need heat, the heating cooling stick that has the cooling passage function when mould need cool off heats rapidly and evenly heats with the core rod that easy realization mould is provided with forming surface, cooling and evenly the mold heated cooling device of cooling rapidly solve and be easy to generate weld mark on products, current mark, lustre lacking uniformity, product density is inhomogeneous, surface blistering, shrink, the problem of the significant deficiency such as product distortion that need very big injection pressure and behind the melted material coagulation forming, cause because of residual stress.
A kind of mold heated cooling device is included in the heating cooling stick storage tank of the setting number that is provided with in the core rod with forming surface, is contained in the heating cooling stick in the heating cooling stick storage tank; The heating cooling stick comprises heating cooling stick body and heater element, logical cooling medium when in axial direction being provided with mould need cooling off in heating cooling stick body, discharge the cooling insulation hole and the heater element containing hole of cooling medium when mould need heat, heater element is installed in the heater element containing hole; The heating cooling stick is provided with the forming surface of a side of heater element near core rod.
The mold heated cooling stick of this structure when mould need heat, has heating function, and the cooling insulation hole has heat insulating function, and heat can most of direction towards the core rod forming surface conduct; When mould need cool off, the cooling insulation hole was again a cooling passage, makes the cooling of heating rod faster, more even, and simple in structure.Electrical heating element is identical with the preparation method of conventional electric heating rod, and the heat-conducting insulation material of its filling can be industrial ceramic material such as silicon nitride/aluminium oxide/magnesia etc.
The heating cooling stick is set directly in the core rod, and the forming surface of core rod can design smaller from the distance that heats cooling stick, and the distance of heating cooling stick between the core rod forming surface is generally 3-20mm.The heating cooling stick is provided with the forming surface of the close core rod of a side of heater element containing hole, reduces heat to the conduction of heating cooling stick away from core rod forming surface direction, makes the formed product needs in the heat overwhelming majority supply mould molding chamber of heating cooling stick.Temperature requirement when the heating cooling stick can satisfy mould high temperature between 60 ℃ to 500 ℃.This equipment for cooling die can not need to design other cooling device generally speaking in having the core rod of forming surface, also do not need to design other heater, heat-proof device, simplifies mould structure greatly.Because the heating cooling stick easily is bent into different shape, therefore the easier heating and cooling needs that satisfy various products.
When mould need heat up, stop to the logical cooling medium of cooling insulation hole, cooling medium is discharged, only be filled with air in the heating cooling stick adstante febre cooling insulation hole, air is by convection heat transfer' heat-transfer by convection, and the cooling insulation hole is airtight relatively space, therefore its heat transfer property is far smaller than the heat transfer property of metal, has effect of heat insulation well, reduce heat to of the direction conduction of heating cooling stick away from the core rod forming surface, make the most formed product needs of supplying with in the mould molding chamber of heat of heating cooling stick, and the heat of heating cooling stick is directly passed to the forming surface of core rod, therefore forming surface is by quick, equably heating and can be heated to rapidly near or equal the temperature of melted material (as the plastic cement of fusion, metal).Since mold temperature heat up rapidly near or equal the temperature of melted material, just the material that injects in the die cavity can be not low excessively because of mold temperature, the heat of melted material is taken away fast by mould, and melted material is cooled off rapidly, and causes flowability variation even generation grumeleuse greatly.In the injection process, contact mould molding face, near mold injects inlet with away from the temperature of the melted material at the welding position of mold injects inlet and the temperature basically identical of injection inlet melted material, contact mould molding face, can too much not be pulled away near mold injects inlet with away from the melted material at the welding position of injection inlet because of heat, make mobile variation greatly even produce semi-molten or approaching phenomenon of solidifying, cause welding position welding weak effect or false fusion to connect, improve the flowability of melted material simultaneously, reduce the pressure of injection, reduce injection inlet and forming surface, the injection molding pressure differential at welding position makes the flowability of the melted material in the whole die cavity, injection pressure, interior tissue stress basically identical; Solved that injection machine can't resolve for a long time always because of injection the time mold temperature significant deficiency such as produce when causing melted material to be shaped that weld mark, current mark, lustre lacking uniformity, product density are inhomogeneous, injection pressure that surface blistering, shrink, needs are very big and the product that causes because of residual stress are yielding behind the melted material coagulation forming that can not heat up rapidly, the FINAL APPEARANCE quality of injection-molded product is good.The heat forfeiture was lacked when mould heated up, and saved the energy.
Be provided with the cooling insulation hole of logical cooling medium in the inside of heating cooling stick, when mould need cool off, feeding cooling medium in the cooling insulation hole gets final product, rather than the cooling device that only relies on and heat cooling stick to separate several centimetres at least cools off, the heating cooling stick can cool off rapidly, cool off more even, shortened the production cycle of product, improved efficient, and owing to the melted material of contact core rod forming surface is cooled off rapidly, therefore the product subsurface density that contacts the high Seterolithography face of core rod is big, makes the effect of the surface generation Gao Guang of product.
Core rod is because of comprising the heating cooling stick, and gross thickness can be thicker, so the good rigidly of core rod, is not easy distortion during the core rod shaped article, and the quality of shaped article is good.The existing heat effect of heating cooling stick has cooling effect again, has heat-blocking action during the heating of cooling insulation hole, is coolant guiding channel during cooling, has simplified mould structure, has reduced processing charges.And core rod is as a whole, does not need to design the heat transfer piece, the cooling piece that separate with core rod again, and is simple in structure.Except that forming surface, remaining face all need not be processed into the face that matches with forming surface.And present Korea S, Japan etc. can realize the mould of rapid heating and cooling, except that forming surface, also need inner surface, the outer surface of outer surface, the heat transfer piece of machine-shaping face mould core, the inner surface of cooling piece etc. to cooperate contact-making surface.Can realize that with existing Korea S, Japan etc. the mould of rapid heating and cooling compares, processing capacity is equivalent to it below 1/3, greatly reduces processing cost.Having heat-blocking action during the heating of cooling insulation hole, is coolant guiding channel during cooling, plays cooling effect, has simplified mould structure, has reduced processing charges, has improved the rigidity of core rod again.
As first kind of improvement of scheme one, one or more cooling insulation hole from three directional rings around the heater element containing hole.During heater element work heating mould, the cooling insulation hole is better to the effect of heat insulation of heater element, when heater element quits work cooling die, the cooling insulation hole is better to the cooling effect of heater element, thereby make mould heating, the cooling more even, the heating and cooling temperature of mould be easy to control and speed fast.
First kind of improvement as scheme two, this body by integral forming of heating cooling stick, heating cooling stick body is cylindrical, the heater element containing hole is cylindrical, cooling insulation hole and heater element containing hole are axially extending bore, number is one, and the cooling insulation hole is the crescent around the heater element containing hole.Heating cooling stick body is cylindrical, makes the heating cooling stick storage tank that cooperates with heating cooling stick body on mould simple in structure, only needs drilling processing, and processing charges reduce greatly, and the moulding of heating cooling stick is also simple, can adopt disposable extruding-out process.Particularly the heater element containing hole by meniscate cooling insulation hole from three directional rings around, when the cooling insulation hole leads to cooling medium, because from the cooling of three directions of electrical heating element, electrical heating element can quicker cooling, and the cooling of heating cooling stick is faster, more even; At heating cooling stick adstante febre, because of the heat conduction of three directions is stopped by air that all the heat overwhelming majority is towards the forming surface direction conduction of core rod, the cooling insulation hole can reduce heat again as far as possible to be lost, and heat-blocking action is better.
As second kind of improvement of scheme two, heater element is an electrical heating element; The cooling insulation hole is an axially extending bore, and cooling insulation hole number is two, two cooling insulation holes from three directional rings around heater element; The one end sealing of heater element containing hole, number is one; On the heating cooling stick of corresponding heater element containing hole blind end, be provided with the intercommunicating pore that is communicated with two cooling insulation holes, be provided with seal in the end of intercommunicating pore; The positive pole of power supply links to each other with the heating electrical heating element from the end of heater element containing hole away from seal with negative pole; The import of cooling medium and outlet also are arranged on the end of heater element containing hole away from seal.The heating cooling stick of this structure, the positive pole of power supply and negative pole from an end of heating cooling stick enter, the import of cooling medium and outlet also be arranged on same end, the heating cooling stick need not run through the core rod with forming surface, can satisfy to have the structure of loosing core, heat the needs that cooling stick is inconvenient to run through the heating and cooling of the moulds such as core rod with forming surface.
As second kind of improvement of scheme one, this body by integral forming of heating cooling stick, heating cooling stick body is cylindrical, and heater element containing hole cross section is semicircle, and cooling insulation hole cross section is semicircle; Cooling insulation hole and heater element containing hole are axially extending bore, and number is one.The cooling stick of this structure makes heating cooling stick storage tank simple in structure, and processing charges reduce greatly, and the moulding of heating cooling stick is also simple, can adopt disposable extruding-out process.
As the third improvement of scheme one, a side of heater element flushes with a lateral surface of heating cooling stick body.The heating cooling stick of this structure, because heater element directly contacts with mould, heat transfer effect is better.
As the 4th kind of improvement of scheme one, on the heating cooling stick, be provided with kink.The heating cooling stick can be bent into different shape according to the needs of mold cavity, the needs that cool off in the time of can satisfying different product injection moulding like this.
As the 5th kind of improvement of scheme one, heating cooling stick body comprises inner core and urceolus, and the cooling insulation hole is the axial hole that is arranged in the inner core, heater element twines outer tube, urceolus is installed in outside the heater element,, the heater element containing hole is the looping pit that urceolus and inner core form.The heating cooling stick of this structure, it is bigger that the cooling insulation hole can design, and is convenient to cooling.
First kind of common improvement as such scheme is provided with temperature inductor on the heating cooling stick.Temperature inductor is arranged on the heating cooling stick, produces simultaneously with the heating cooling stick, make the production cost of temperature inductor low, easy for installation, temperature control is more direct.
Second kind of common improvement as such scheme also comprises the heating rod of setting number, and the position near forming surface in core rod is provided with the heating rod containing hole, and heating rod stretches in the heating rod containing hole; Position near heating rod in having the core rod of forming surface is provided with the heat insulation cooling hole corresponding with heating rod, heat insulation cooling hole places the side of heating rod away from forming surface, the cross section outer contour in heat insulation cooling hole is a closed curve, and Kong Congsan directional ring of one or more heat insulation cooling is around the heating rod of correspondence; On heat insulation cooling hole, be provided with cooling fluid inlet and cooling liquid outlet.
Heating rod, heat insulation cooling hole are set directly in the core rod, and the forming surface of core rod can design smaller from the distance of heating rod, and the distance in forming surface and heat insulation cooling hole also can design smallerly.The distance of heating rod between the core rod forming surface is generally 3-20mm, and the diameter of heating rod is generally 3-15mm, and the distance between the heating rod is for being generally 8-80mm, and the distance between heating rod and heat insulation cooling hole is generally 2-15mm.
When mould need heat up, stop to the logical cooling fluid in heat insulation cooling hole, cooling fluid is discharged, the heat insulation cooling of heating rod adstante febre only is filled with air in the hole, Kong Congsan directional ring of heat insulation cooling is around heating rod, has effect of heat insulation well, reduce heat to the direction conduction of heating rod away from the core rod forming surface, make the most formed product needs of supplying with in the mould molding chamber of heat of heating rod, the heat of heating rod is directly passed to the forming surface of core rod, therefore forming surface is by quick, heating equably, and can be heated to rapidly near or equal the temperature of melted material (as the plastic cement of fusion, metal).
When mould need cool off, to the logical cooling fluid in heat insulation cooling hole, cooling fluid is covered with most of zone of forming surface outside back, heat insulation cooling hole and heating rod all place in the core rod, heat insulation cooling hole is near heating rod, around heating rod, so heating rod and core rod all can be cooled cooling fluid rapidly and equably from three directional rings.
The beneficial effects of the utility model are, heating rod has cooling, heat insulation and heating function, control core rod forming surface can by rapidly, heating and cooling equably, and can be heated to rapidly near or equal the temperature of melted material, so good product quality of moulding, be difficult for producing weld mark, current mark and surface blistering etc. the product distortion that gloss is even, product density is even, shrink is little, reduced injection pressure and caused because of residual stress behind the melted material coagulation forming.
Description of drawings
The connection diagram of Fig. 1 the utility model embodiment 1.
Fig. 2 is the perspective exploded view of the utility model embodiment 1.
Fig. 3 is the cross section cut-away illustration with heater element position of the heating cooling stick of this practical embodiment 1.
Fig. 4 is the perspective exploded view of the heating cooling rod assembly of the utility model embodiment 1.
Fig. 5 is the cross section cut-away illustration with heater element position of the heating cooling stick of this practical embodiment 2.
Fig. 6 is the cross section cut-away illustration with heater element position of the heating cooling stick of this practical embodiment 3.
Fig. 7 is the perspective exploded view of the utility model embodiment 4.
Fig. 8 is the perspective exploded view of the heating cooling rod assembly of the utility model embodiment 4.
Fig. 9 is the cross section cut-away illustration with heater element position of the heating cooling stick of the utility model embodiment 4.
Figure 10 is the cut away view along the A-A position of Fig. 9.
Figure 11 is the cross section cut-away illustration with heater element position of the heating cooling stick of the utility model embodiment 5.
Figure 12 is the perspective exploded view of the utility model embodiment 6.
Figure 13 is that the master of the front mould core rod of the utility model embodiment 6 looks schematic diagram.
Figure 14 is the cutaway view of the utility model along the B-B of Figure 13.
Figure 15 is the perspective exploded view of front mould core rod and the heating-cooling device mounted thereto of the utility model embodiment 6.
Figure 16 is the cross section cut-away illustration with heater element position of the heating cooling stick of the utility model embodiment 6.
Figure 17 is the perspective exploded view of the utility model embodiment 7.
Figure 18 is that the master of the front mould core rod of the utility model embodiment 7 looks schematic diagram.
Figure 19 is the cutaway view of the utility model along the C-C of Figure 18.
Figure 20 is the perspective exploded view of front mould core rod and the heating-cooling device mounted thereto of the utility model embodiment 7.
Figure 21 is that the L type heating cooling stick of the utility model embodiment 7 has the cross section cut-away illustration of heater element position.
Figure 22 is that the U type heating cooling stick of the utility model embodiment 7 has the cross section cut-away illustration of heater element position.
Figure 23 is the perspective exploded view of prior art.
Figure 24 is the perspective exploded view of Figure 11 from another direction projection.
The specific embodiment
Embodiment 1
As shown in Figure 1, a kind of mold heated cooling device, comprise the control module that is electrically connected with injection machine, the all water pump that is electrically connected with control module, heater element, temperature inductor, electronic control water valve, electronic control air valve, electronic control air valve is connected with pressure regulation filter, water/tracheae jointing by tracheae, electronic control water valve is connected with water pump, water/tracheae jointing by water pipe, and water/tracheae jointing is installed on cooling insulation hole, the heat insulation cooling hole and with cooling insulation hole, heat insulation cooling hole and is communicated with; The pressure regulation filter is connected with compressed air pump by tracheae.The mold temperature of heating cooling stick, heating rod adstante febre is 60 ℃ to 500 ℃.
As shown in Figure 2, mould comprises front mould part and back mould part 1, and front mould partly comprises core rod 4, core rod seat 5, the core rod seat board 6 with forming surface.Core rod 4 is installed in the core rod seat 5, and core rod seat 5 is installed on the core rod seat board 6, and core rod seat board 6 is installed on the make-up machine.Temperature inductor 2 is the infrared temperature inductor, and temperature inductor is arranged on the outer surface of mould.In core rod, be provided with forming surface 19 and heating cooling stick 3 is installed.
As shown in Figure 3, the mold heated cooling stick, comprise heating cooling stick body 7 and heater element 8, heating cooling stick body 7 is one-body molded, in axial direction is provided with the cooling insulation hole 9 of logical cooling medium and the heater element containing hole of ccontaining heater element 8 in heating cooling stick body 7.Heater element 8 is the electrical heating element heating; Be provided with heat conductive insulating layer 10 between electrical heating element 8 and heater element containing hole, electrical heating element 8 contacts with heat conductive insulating layer 10, and heat conductive insulating layer 10 contacts with the madial wall of heater element containing hole; Cooling insulation hole 9 and heater element containing hole are axially extending bore, and number is one; The positive pole of power supply links to each other with electrical heating element 8 with the two ends of negative pole from the electrical heating element containing hole.Heating cooling stick body 7 is cylindrical, and the heater element containing hole is cylindrical, and cooling insulation hole 9 is the crescent around the heater element containing hole.
As shown in Figure 4, two ends at heating cooling stick 3 are provided with sealing-plug 11, sealing-plug 12, be respectively equipped with sealing ring 13, sealing ring 14 at sealing-plug 11, sealing- plug 12 and 3 of cooling sticks of heating, on the sealing ring 13 of an end of heating cooling stick 3 and sealing-plug 11, be respectively equipped with water inlet 15, water inlet 16, be respectively equipped with delivery port 17, delivery port 18 on the sealing ring 14 of the other end of heating cooling stick 3 and sealing-plug 12, the minimum point of delivery port 17, delivery port 18 flushes with the minimum point of cooling off insulation hole 9.Also be provided with heat insulation emptiness avoiding hole 20 in the side of core rod 4.
In the matched moulds process, elder generation is by the temperature of temperature inductor Measurement die, if the temperature of mould is lower than the temperature of setting, then control module control heating cooling stick energising utilizes the heating cooling stick that the forming surface of core rod is heated to rapidly and equals or near the temperature or the design temperature of melted material.After the temperature that temperature inductor is measured arrived the temperature of setting, control module sent injection signal, and injector is expelled to melted material in the die cavity, kept the temperature of setting in injection process always.After finishing injection, control module receives the signal that injection stops, motor-operated control valve is opened, the water that water pump extracts enters cooling water pipe through motor-operated control valve, enter the cooling insulation hole through cooling water pipe again, when mold temperature was cooled to the temperature value of setting, control module sent the die sinking signal to injection machine, and injection machine is opened mould and ejected product.When injector is sent the die sinking signal, control module is controlled electronic control water valve and is closed, cools off the interior water discharge of insulation hole, electronic control air valve is opened, air in the compressed air pump enters the cooling insulation hole by press filtration filter, electronic control air valve, remaining cooling water in the cooling insulation hole is blown out by the coolant outlet in the mould, enter next circulation then.
During heating, the cooling insulation hole reduces heat to the direction conduction of heating rod away from the core rod forming surface, the cooling insulation hole is near heating rod during cooling, therefore the core rod forming surface can by rapidly, heating and cooling equably, and can be heated to rapidly near or equal the temperature of melted material, so good product quality of moulding, be difficult for producing weld mark, current mark and surface blistering etc. the product distortion that gloss is even, product density is even, shrink is little, reduced injection pressure and caused because of residual stress behind the melted material coagulation forming.
Embodiment 2
As shown in Figure 5, as different from Example 1, heating cooling stick body 31 is cylindrical, what heater element containing hole 32 cross sections were central angle less than 180 ° is fan-shaped, what cooling insulation hole 33 cross sections were central angle greater than 180 ° is fan-shaped, cooling insulation hole 33 from three directional rings around heater element containing hole 32.Temperature inductor 34 is arranged on an end of heating cooling stick body 31, and stretches in the heating cooling stick body 31.
As shown in Figure 6, as different from Example 1, heating cooling stick body 41 is cylindrical, the similar semicircle in heater element containing hole 42 cross sections, and the similar semicircle in cooling insulation hole 43 cross sections, the cross section of cooling insulation hole is greater than the cross section of heater element.
As shown in Figure 7, as different from Example 1, mould part comprises front mould part and back mould part 51.Front mould partly comprises core rod 54, core rod seat 55, the core rod seat board 56 with forming surface.Temperature inductor 52 is the electric thermo-couple temperature inductor, and temperature inductor is arranged in the mould.
Shown in Fig. 7 to 10, the mold heated cooling stick, comprise heating cooling stick body 57 and heater element 58, heating cooling stick body 57 is one-body molded, lateral surface is cylindrical, in axial direction is provided with the heater element containing hole of cooling insulation hole 59, cooling insulation hole 60 and the ccontaining heater element 58 of logical cooling medium in heating cooling stick body 57.Cooling insulation hole 59, cooling insulation hole 60 are axially extending bore, and cooling insulation hole 59, cooling insulation hole 60 are fan-shaped.The heater element containing hole is a blind hole, and number is one, for fan-shaped.The cooling insulation hole 59, the cooling insulation hole 60 from three directional rings around heater element 58.Placing the end of the end in the mould to be provided with at heating cooling stick 53 is communicated with the intercommunicating pore 61 that cools off insulation hole 59, cooling insulation hole 60, is provided with sealing-plug 62 in the end of intercommunicating pore 61.Be provided with sealing-plug 63 at heating cooling stick 53 away from an end of sealing-plug 62, be provided with sealing ring 64 at sealing-plug 63 and 53 of cooling sticks of heating, be respectively equipped with water inlet 65, water inlet 66 and delivery port 67, delivery port 68 on sealing ring 64 and sealing-plug 63, the minimum point of delivery port 67, delivery port 68 is lower slightly than the minimum point of cooling insulation hole 60.On the die joint of core rod 4, also be provided with heat insulation emptiness avoiding hole 69.The positive pole of power supply links to each other with heater element 58 from the end of heater element containing hole away from sealing-plug 62 with negative pole.
As shown in figure 11, as different from Example 4, electrical heating cooling stick storage tank 80 is cylindrical, two symmetrical holes that two cooling insulation holes 81,82 are served as reasons and intersected with nonconcentric(al) two arc surfaces of electrical heating cooling stick storage tank 80 and become from rounded spaced intermediate.
Shown in Figure 12 to 14, as different from Example 1, the bottom of the die cavity of the core rod 91 of front mould part is provided with protuberance 92, be provided with heating cooling stick storage tank 93 in the bottom of core rod 91, the middle part of heating cooling stick storage tank 93 is a U type bend 94, and U type bend 94 places in the protuberance 92 and is complementary with protuberance 92 shapes.
Shown in 15,16, the cross section of heating cooling stick body 95 is the rectangle of band rounding, and the cross section of heater element storage tank 96 is distributed in the side of heating cooling stick body 95 towards forming surface 97 for being semicircular open slot.Cooling insulation hole 98 rectangles for the band rounding.The shape of heater element 99 is identical with the shape of heater element storage tank 96, heater element storage tank 96 places a side of heating cooling stick body 95, and heater element 99 flushes towards the side 101 of forming surface 97 with heating cooling stick body 95 towards the side 100 of forming surface 97.The middle part of heating cooling stick is bent to form the U type bend that cooperates with U type bend 94.On heater element 99, be provided with the joint that is electrically connected with power supply.
In core rod 91, also be provided with the electrically heated rod containing hole, electrically heated rod 109 is installed in the electrically heated rod containing hole.Be provided with the heat insulation cooling hole (not shown) corresponding, the corresponding heat insulation cooling hole of heating rod with electrically heated rod 109 near the position of electrically heated rod 109.Heat insulation cooling hole places the side of electrically heated rod 109 away from forming surface 97.The cannelure of the semicircular arc that heat insulation cooling Kong Weiyu heating rod containing hole is concentric, the corner round-corner transition of cannelure.Two ends in heat insulation cooling hole are provided with sealing block containing hole 110, and sealing block containing hole 110 is similar to heat insulation cooling hole shape, equate with each back gauge in heat insulation cooling hole.Sealing block 111, sealing block 112 are installed in sealing block containing hole 110, between sealing block 111 and heat insulation cooling hole, are provided with sealing gasket 113, between sealing block 112 and heat insulation cooling hole, be provided with sealing gasket 114.On the sealing block 111 of heat insulation cooling Kong Yiduan, sealing gasket 113, be respectively equipped with water inlet 115, the water inlet 116 that is communicated with heat insulation cooling hole, be respectively equipped with delivery port 117, the delivery port 118 that is communicated with heat insulation cooling hole on the sealing block 112 of heat insulation cooling Kong Yiduan, sealing gasket 114, the discharge of water inlet is greater than the discharge of delivery port.
Embodiment 7
Shown in Figure 17 to 22, as different from Example 6, the bottom of the die cavity of the core rod 200 of front mould part is provided with the protuberance 201 of truncated cone-shaped, be provided with L type heating cooling stick storage tank 202 and U type heating cooling stick storage tank 203 in the bottom of core rod 200, L type heating cooling stick storage tank 202 stretches in the protuberance 201.In L heating cooling stick storage tank 202, L type heating cooling stick 204 is installed, in U heating cooling stick 203 storage tanks, U type heating cooling stick 205 is installed.
The similar half round post of cross section of the outer contour of U type heating cooling stick body 206, the cross section of heater element 207 is circular, the cross section of cooling heat dam 208 is an annular.The even heater element containing hole of the arcwall face of L type heating cooling stick body 206, cooling heat dam 208 207 is concentric.
L type heating cooling stick body comprises inner core 210 and urceolus 209, heat insulation cooling hole is two semicircular axial holes 211, the axial hole 213 that is arranged in the inner core 210, heater element 214 is wrapped in outside the inner core 210, urceolus 209 is installed in outside the heater element 214, and heater element containing hole 212 is the looping pit that urceolus 209 and inner core 210 form.Axial hole 211, axial hole 213 are communicated with at an end of U type heating cooling stick body, are provided with seal 216 in its intercommunicating pore 215.
The structure that realizes the mould rapid heat cycle of the present utility model also can design as required on the core rod of back mould part, and its embodiment unanimity is not describing in detail.The electrical heating element of the heating cooling stick in the utility model, its production method is identical with the production method of electrically heated rod.
Claims (10)
1. a mold heated cooling device is characterized in that: be included in the heating cooling stick storage tank of the setting number that is provided with in the core rod with forming surface, be contained in the heating cooling stick in the heating cooling stick storage tank; The heating cooling stick comprises heating cooling stick body and heater element, logical cooling medium when in axial direction being provided with mould need cooling off in heating cooling stick body, discharge the cooling insulation hole and the heater element containing hole of cooling medium when mould need heat, heater element is installed in the heater element containing hole; The heating cooling stick is provided with the forming surface of a side of heater element near core rod.
2. a kind of mold heated cooling device as claimed in claim 1 is characterized in that: the heating cooling stick in one or more cooling insulation hole from three directional rings around heater element.
3. a kind of mold heated cooling device as claimed in claim 2, it is characterized in that: this body by integral forming of heating cooling stick, heating cooling stick body is cylindrical, the heater element containing hole is cylindrical, cooling insulation hole and heater element containing hole are axially extending bore, number is one, and the cooling insulation hole is the crescent around the heater element containing hole.
4. a kind of mold heated cooling device as claimed in claim 2 is characterized in that: heater element is an electrical heating element; The cooling insulation hole is an axially extending bore, and cooling insulation hole number is two, two cooling insulation holes from three directional rings around heater element; The one end sealing of heater element containing hole, number is one; On the heating cooling stick of corresponding heater element containing hole blind end, be provided with the intercommunicating pore that is communicated with two cooling insulation holes, be provided with sealing-plug in the end of intercommunicating pore; The positive pole of power supply links to each other with the heating electrical heating element from the end of heater element containing hole away from sealing-plug with negative pole; The import of cooling medium and outlet also are arranged on the end of heater element containing hole away from sealing-plug.
5. a kind of mold heated cooling device as claimed in claim 1 is characterized in that: this body by integral forming of heating cooling stick, and heating cooling stick body is cylindrical, and heater element containing hole cross section is semicircle, and cooling insulation hole cross section is semicircle; Cooling insulation hole and heater element containing hole are axially extending bore, and number is one.
6. a kind of mold heated cooling device as claimed in claim 1 is characterized in that: a side of heater element flushes with a lateral surface of heating cooling stick body.
7. a kind of mold heated cooling device as claimed in claim 1 is characterized in that: be provided with kink on the heating cooling stick.
8. a kind of mold heated cooling device as claimed in claim 1, it is characterized in that: heating cooling stick body comprises inner core and urceolus, the cooling insulation hole is the axial hole that is arranged in the inner core, heater element twines outer tube, urceolus is installed in outside the heater element, and the heater element containing hole is the looping pit that urceolus and inner core form.
9. as each described a kind of mold heated cooling device of claim 1 to 8, it is characterized in that: on the heating cooling stick, be provided with temperature inductor.
10. as each described a kind of mold heated cooling device of claim 1 to 8, it is characterized in that: also comprise the heating rod of setting number, the position near forming surface in core rod is provided with the heating rod containing hole, and heating rod stretches in the heating rod containing hole; Position near heating rod in having the core rod of forming surface is provided with the heat insulation cooling hole corresponding with heating rod, heat insulation cooling hole places the side of heating rod away from forming surface, the cross section outer contour in heat insulation cooling hole is a closed curve, the width of the cross section setting of heating rod all is wider than on both sides, and a heat insulation cooling Kong Congsan directional ring is around the heating rod of correspondence; On heat insulation cooling hole, be provided with cooling fluid inlet and cooling liquid outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202380781U CN201597134U (en) | 2009-10-28 | 2009-10-28 | Mold heating and cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202380781U CN201597134U (en) | 2009-10-28 | 2009-10-28 | Mold heating and cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201597134U true CN201597134U (en) | 2010-10-06 |
Family
ID=42808181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202380781U Expired - Fee Related CN201597134U (en) | 2009-10-28 | 2009-10-28 | Mold heating and cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201597134U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120249A (en) * | 2010-11-26 | 2011-07-13 | 天津市天锻压力机有限公司 | Turnout mould capable of being preheated and cooled and replacing mould core |
| CN103737970A (en) * | 2013-12-26 | 2014-04-23 | 宁波市鄞州秀昶机电有限公司 | Automobile shock absorber piston rubber coated press piece heating, cooling and forming die |
| CN105618717A (en) * | 2016-03-24 | 2016-06-01 | 浙江海悦自动化机械股份有限公司 | Heating device for bus-bar manufacturing |
| CN105790028A (en) * | 2016-03-24 | 2016-07-20 | 浙江海悦自动化机械股份有限公司 | Bus making cooling device |
| CN107984693A (en) * | 2017-11-10 | 2018-05-04 | 宁波市恩迪卫浴有限公司 | A kind of novel plastic mould |
| CN111263691A (en) * | 2017-09-08 | 2020-06-09 | 日精Asb机械株式会社 | Die set |
-
2009
- 2009-10-28 CN CN2009202380781U patent/CN201597134U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102120249A (en) * | 2010-11-26 | 2011-07-13 | 天津市天锻压力机有限公司 | Turnout mould capable of being preheated and cooled and replacing mould core |
| CN103737970A (en) * | 2013-12-26 | 2014-04-23 | 宁波市鄞州秀昶机电有限公司 | Automobile shock absorber piston rubber coated press piece heating, cooling and forming die |
| CN103737970B (en) * | 2013-12-26 | 2016-04-06 | 宁波市鄞州秀昶机电有限公司 | The heating cooling forming mould of auto absorber piston encapsulate compressing tablet |
| CN105618717A (en) * | 2016-03-24 | 2016-06-01 | 浙江海悦自动化机械股份有限公司 | Heating device for bus-bar manufacturing |
| CN105790028A (en) * | 2016-03-24 | 2016-07-20 | 浙江海悦自动化机械股份有限公司 | Bus making cooling device |
| CN105618717B (en) * | 2016-03-24 | 2017-11-03 | 浙江海悦自动化机械股份有限公司 | A kind of bus-bar makes heater |
| CN105790028B (en) * | 2016-03-24 | 2018-07-03 | 浙江海悦自动化机械股份有限公司 | A kind of bus-bar makes cooling device |
| CN111263691A (en) * | 2017-09-08 | 2020-06-09 | 日精Asb机械株式会社 | Die set |
| US11685093B2 (en) | 2017-09-08 | 2023-06-27 | Nissei Asb Machine Co., Ltd. | Mold |
| CN107984693A (en) * | 2017-11-10 | 2018-05-04 | 宁波市恩迪卫浴有限公司 | A kind of novel plastic mould |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101698320B (en) | Mold heating and cooling rod and mold capable of realizing rapid cooling and rapid heating | |
| CN101811338B (en) | Mould capable of realizing rapid heat cycle | |
| CN201511506U (en) | Mould capable of realizing quick and uniform heating and cooling | |
| CN201597134U (en) | Mold heating and cooling device | |
| CN101249714B (en) | Instant heating/cooling device for injection mold and mold temperature control method thereof | |
| CN201525114U (en) | Mold thermal shock structure | |
| CN101610614B (en) | Die temperature control device and control method | |
| CN108327206A (en) | A kind of equipment for injection molding | |
| CN104608331A (en) | Dish type pouring device for hot runner of large PVC (polyvinyl chloride) plastic pipe injection mold | |
| CN205097463U (en) | Cold type runner system in rubber | |
| CN213681513U (en) | Paper pulp molding die heat conduction oil heating device | |
| CN209320243U (en) | A kind of automatic temperature-control injection mold | |
| CN209158807U (en) | A kind of needle valve type hot runner structure | |
| CN102029686A (en) | Internal heating type multi-cavity hot runner mold | |
| CN201450616U (en) | Mold temperature control device | |
| CN211416096U (en) | Injection molding plastic mold | |
| CN211307288U (en) | Injection mold with heating device for automobile instrument panel | |
| CN210011280U (en) | Insulation can box forming die | |
| KR101030595B1 (en) | injection mold apparatus | |
| CN208375861U (en) | A kind of no waste mine hot-runner device | |
| CN203282628U (en) | Plastic pipe die | |
| CN107186965B (en) | A kind of pressure control injection molded device | |
| CN207224489U (en) | One kind is spoken out of turn core side gate type hot mouth | |
| CN201304708Y (en) | Injection-molding thermal engine mouth | |
| CN211440940U (en) | Multi-cavity injection mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20101006 Termination date: 20131028 |