CN204585735U - Cold and hot double-position rotary rapid thermal circulation injection mould - Google Patents
Cold and hot double-position rotary rapid thermal circulation injection mould Download PDFInfo
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- CN204585735U CN204585735U CN201520203703.4U CN201520203703U CN204585735U CN 204585735 U CN204585735 U CN 204585735U CN 201520203703 U CN201520203703 U CN 201520203703U CN 204585735 U CN204585735 U CN 204585735U
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Abstract
The utility model provides a kind of cold and hot double-position rotary rapid thermal circulation injection mould, comprises cover half assembly and dynamic model assembly; Cover half assembly comprises the cavity plate, die cavity holding plate, the cover half fixed head that set gradually and drives the cover half tumbler that rotates on die cavity holding plate of cavity plate; Dynamic model assembly comprises the dynamic model tumbler that the core plate, core holding plate, dynamic mould fixing plate and the drive core plate that set gradually rotate on core holding plate; The front of cavity plate and the front of core plate surround two mold cavities; Be provided with heater and cooling device in die cavity holding plate and core holding plate, in closed state, while heater heats one of them mold cavity, cooling device cools another mold cavity mould.Heating of the present utility model, cooldown rate are high, and mold cavity surface temperature homogeneity is good, and production efficiency is high, is convenient to industrial applications.
Description
Technical field
The utility model relates to polymer material molding mould, particularly cold and hot double-position rotary rapid thermal circulation injection mould.
Background technology
The features such as plastics injection moulding has that production efficiency is high, cost is low, adaptable and product diversification, injection-molded item is widely used in the fields such as information, automobile, household electrical appliances, Aero-Space and defence and military.In recent years, plastic products are just towards high-performance, high accuracy, low cost, lightweight and greenization future development, and this conventional Shooting Technique is faced with increasingly serious challenge, is more and more difficult to the requirement meeting modern injection industrial development.For this reason, industrial circle is proposed a kind of new injection molding technology in recent years---and rapid thermal cycles injection moulding, by carrying out alternately heating and cooling to adapt to the real-time requirement of different phase to mold temperature to mould in injection moulding process, realizes becoming mould temperature shaping.Adopt this dynamic die temperance control mode, melt mold filling can be carried out under higher mould-cavity temperature, greatly improve the mobile performance of melt, significantly improve the quality of plastic, directly can obtain the moulding of great surface quality, high shape and size precision, thus the goods subsequent processes effectively eliminated needed for conventional injection moulding, significantly shorten production of articles flow process and reduce production cost.
Injection mold is one of key device of rapid thermal cycles injection moulding.Rapid thermal cycles injection moulding requires that injection mold possesses sufficiently high thermal response efficiency and uniform Temperature Distribution, to obtain high injection moulding production efficiency while guarantee product quality.Given this, industrial quarters and academia are all devoted to the innovation of mould Fast Heating mode and mould structure.So far, the mould Fast Heating mode developed mainly comprises flame heating, hot water heating, deep fat heating, Steam Heating, electrical heating, eddy-current heating, infrared heating etc., and the mould structure form of realization is also varied.But, still there is the low and heating outstanding problems such as inhomogeneous cooling is even of mold hot response efficiency.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide that a kind of thermal response efficiency is high, the uniform cold and hot double-position rotary rapid thermal circulation injection mould of heating cooling.
For achieving the above object, the utility model adopts technical scheme as described below.
A kind of cold and hot double-position rotary rapid thermal circulation injection mould, comprises cover half assembly and dynamic model assembly; Cover half assembly comprises the cavity plate, die cavity holding plate, the cover half fixed head that set gradually, also comprises the cover half tumbler driving cavity plate to rotate on die cavity holding plate; Dynamic model assembly comprises the core plate, core holding plate, the dynamic mould fixing plate that set gradually, also comprises the dynamic model tumbler driving core plate to rotate on core holding plate; The front of cavity plate and the front of core plate surround two mold cavities (the first mold cavity and the second mold cavity); Be provided with heater and cooling device in die cavity holding plate and core holding plate, in closed state, while heater heats one of them mold cavity, cooling device cools another mold cavity mould.Preferably, the first mold cavity and the second mold cavity to be centrosymmetric layout for the turning cylinder of cover half tumbler and dynamic model tumbler.Preferably, die cavity holding plate is connected respectively by screw with dynamic mould fixing plate with cover half fixed head, core holding plate.
Cover half tumbler is identical with the structure of dynamic model tumbler, includes motor, main shaft, bearing and block.In cover half tumbler, the axle journal of main shaft is arranged on after coordinating with the inner ring of bearing in the bearing saddle bore of die cavity holding plate; One end of main shaft is connected with motor, and the other end is connected with cavity plate by feather key; Restriction cavity plate is fixed by screws in the end face of main shaft along the slide axially block of distance of main shaft; Motor is fixed by screws in the end face of the bearing saddle bore of die cavity holding plate.In dynamic model tumbler, the axle journal of main shaft is arranged on after coordinating with the inner ring of bearing in the bearing saddle bore of core holding plate; One end of main shaft is connected with motor, and the other end is connected with core plate by feather key; Restricted type central layer is fixed by screws in the end face of main shaft along the slide axially block of distance of main shaft; Motor is fixed by screws in the end face of the bearing saddle bore of core holding plate.
Be provided with cover half assistant rotating device between cavity plate and die cavity holding plate, between core plate and core holding plate, be provided with dynamic model assistant rotating device; Cover half assistant rotating device is identical with the structure of dynamic model assistant rotating device, includes annular guide channel, guide pillar, is enclosed within the spring of guide pillar outer surface.In cover half assistant rotating device, guide pillar is fixed on the back of cavity plate, and the front portion of die cavity holding plate offers annular guide channel, guide pillar annularly guide groove slippage when cavity plate is rotated; Spring is arranged between cavity plate and die cavity holding plate; In the on state, cavity plate and die cavity holding plate keep being separated mould under the action of the spring, and in closed state, cavity plate and die cavity holding plate fit tightly mould under the effect of mold clamping force.In dynamic model assistant rotating device, guide pillar is fixed on the back of core plate, and the front portion of core holding plate offers annular guide channel, guide pillar annularly guide groove slippage when core plate is rotated; Spring is arranged between core plate and core holding plate; In the on state, core plate and core holding plate keep being separated mould under the action of the spring, and in closed state, core plate and core holding plate fit tightly mould under the effect of mold clamping force.Preferably, in cover half assistant rotating device, the back of cavity plate offers guide pillar installing hole, and one end of guide pillar is arranged in the guide pillar installing hole of cavity plate by the mode of interference fit, and the other end is arranged in the annular guide channel of die cavity holding plate by the mode of matched in clearance.In dynamic model assistant rotating device, the back of core plate offers guide pillar installing hole, and one end of guide pillar is arranged in the guide pillar installing hole of core plate by the mode of interference fit, and the other end is arranged in the annular guide channel of core holding plate by the mode of matched in clearance.Cavity plate and die cavity holding plate keep being separated and are conducive to reducing resistance when cavity plate is rotated, thus reduce the power of motor.Core plate and core holding plate keep being separated the resistance be conducive to when reduction type central layer rotates, thus reduce the power of motor.
Heater comprises: heating plate, heating, temperature element, heater heat shield; Heating and temperature element are installed in heating plate, and are connected with Die temperature control device.In die cavity holding plate, in closed state, the back side offering mold cavity region in the front of heating plate and cavity plate fits tightly mould; Heater heat shield is provided with between heating plate and die cavity holding plate, between heating plate and cover half fixed head; In core holding plate, in closed state, the back side offering mold cavity region in the front of heating plate and core plate fits tightly mould; Between heating plate and core holding plate, heating plate and and dynamic mould fixing plate between be provided with heater heat shield.Preferably, heating is electrical bar, and temperature element is thermocouple.Mould in closed state, offer the back side offering mold cavity region in the back side in mold cavity region, the front of heating plate and central layer in the front of heating plate and cavity plate all to fit tightly, heating plate is heated mold cavity by the mode of transmission of heat by contact, because the thermograde between heating plate and cavity plate contact site and between heating plate and core plate contact site is all very large, and heat conductive contact area is large, therefore mold cavity heating is rapid and even.Heater heat shield effectively can reduce the heat diffusion loss in heating plate, is conducive to reducing energy consumption, improves efficiency of utilization.
Cooling device comprises: coldplate, the cooling pipe be opened in coldplate, the solenoid directional control valve of controlled cooling model pipeline break-make, cooling device heat shield; Solenoid directional control valve is connected with Die temperature control device.In die cavity holding plate, in closed state, the back side offering mold cavity region in the front of coldplate and cavity plate fits tightly mould; Cooling device heat shield is provided with between coldplate and die cavity holding plate, between coldplate and cover half fixed head.In core holding plate, in closed state, the back side offering mold cavity region in the front of coldplate and core plate fits tightly mould; Cooling device heat shield is provided with between coldplate and core holding plate, between coldplate and dynamic mould fixing plate.Mould in closed state, the front of coldplate and cavity plate are offered the back side offering mold cavity region in the back side in mold cavity region, the front of coldplate and core plate and are all fitted tightly, coldplate is cooled mold cavity by the mode of transmission of heat by contact, because the thermograde between coldplate and cavity plate contact site and between coldplate and core plate contact site is all very large, and heat conductive contact area is large, therefore mold cavity cooling is rapid and even.
Cold and hot double-position rotary rapid thermal cycles injection moulding process, adopts cold and hot double-position rotary rapid thermal circulation injection mould, comprises the steps: that (1) starts heater and cooling device; (2) closed die, heater heats one of them mold cavity, and cooling device cools another mold cavity; (3) opening mold, cavity plate is rotated by cover half tumbler, and core plate is rotated by dynamic model tumbler; (4) closed die, by the plastic melt implantation step (2) plastified by the mold cavity that heats, meanwhile, cooling device cools this mold cavity, and heater heats another mold cavity; (5) die sinking ejects goods; Cavity plate is rotated by cover half tumbler, and core plate is rotated by dynamic model tumbler.Step (1)-(5) constitute a rapid thermal cycles injection cycle, and can enter next working cycles by step (4) and (5).
Preferably, the concrete steps of (1)-(5) are as follows:
(1) start Die temperature control device, the heating of heater is energized, the heater plate of heater is controlled it in forming process, maintain that this is temperature-resistant to design temperature; Meanwhile, open the solenoid directional control valve of cooling device, cooling water is passed into constantly in the cooling pipe in coldplate, make coldplate maintain low-temperature condition in forming process always.
(2) injection machine folding mould device is started, mould is closed, under the effect of mold clamping force, the back side of cavity plate and the back side of core plate fit tightly with the front of die cavity holding plate and the front of core holding plate respectively, and heater starts to heat the first mold cavity in mold cavity.
(3) when the first mold cavity is heated to predetermined temperature, start injection machine folding mould device, make mold open, cavity plate and core plate are separated with core holding plate with die cavity holding plate under the action of the spring respectively, then start cover half tumbler and cavity plate is rotated 180 °, start dynamic model tumbler and core plate is rotated 180 °.
(4) again start injection machine folding mould device, mould is closed, and starts the injection device of injection machine, the plastic melt plastified is injected the first mold cavity; Meanwhile, cooling device cools the first mold cavity, and heater heats the second mold cavity in mold cavity.
(5) when the part cooling in the first mold cavity is to calcining temperature, now the second mold cavity has been heated to the temperature of setting, starts injection machine folding mould device, makes mold open, eject goods; Then start cover half tumbler and cavity plate is rotated 180 °, start dynamic model tumbler and core plate is rotated 180 °.
The beneficial effects of the utility model are: the cold and hot double-position rotary rapid thermal circulation injection mould of the utility model adopts the mode of transmission of heat by contact to carry out heating and cooling to mold cavity, under mold closed condition, because of between heating plate and core plate contact site, between heating plate and cavity plate contact site, coldplate and core plate is touched between position and thermograde between coldplate and cavity plate contact site is all very large, and heat conductive contact area is large, thus the heating of mold cavity, cooling rapidly and evenly.Therefore, mold hot response efficiency is high, and mold cavity surface temperature distribution uniformity is good.In addition, this mould offers two mold cavities, and in forming process, two mold cavities alternately carry out heating and cooling concurrently, drastically increase the production efficiency of rapid thermal cycles injection moulding, thus obviously shortens production of articles flow process, reduction energy consumption and cost.
Accompanying drawing explanation
Fig. 1 is the utility model cold and hot double-position rotary rapid thermal circulation injection mould structural representation.
Fig. 2 is the K direction view of mould structure shown in Fig. 1.
Fig. 3 is the structural representation of cover half tumbler and dynamic model tumbler.
Fig. 4 a-4e is the process schematic adopting cold and hot double-position rotary rapid thermal circulation injection mould moulded products.
Above-mentioned each number in the figure is described as follows.A-cover half assembly; B-dynamic model assembly; 1-cavity plate; 2-die cavity holding plate; 3-cover half fixed head; 4-core plate; 5-core holding plate; 6-dynamic mould fixing plate; 7-first mold cavity; 8-second mold cavity; 9-motor; 10-main shaft; 11-bearing; 12-block; 13-bearing saddle bore; 14-feather key; 15-guide pillar; 16-spring; 17-guide pillar installing hole; 18-annular guide channel; 19-heating plate; 20-electrical bar; 21-thermocouple; 22-heater heat shield; 23-coldplate; 24-cooling pipe; 25-screw; 26-goods; 27-cooling device heat shield.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but the utility model embodiment is not limited thereto.
Embodiment
Fig. 1 to Fig. 3 shows concrete structure of the present utility model, and Fig. 4 a to Fig. 4 e shows the course of work of the present utility model.
The cold and hot double-position rotary rapid thermal circulation injection mould of the utility model comprises cover half assembly A and dynamic model assembly B.The cover half tumbler that cover half assembly A comprises cavity plate 1, die cavity holding plate 2, cover half fixed head 3 and drives cavity plate 1 to rotate; The dynamic model tumbler that dynamic model assembly B comprises core plate 4, core holding plate 5, dynamic mould fixing plate 6 and drives core plate 4 to rotate; The front of cavity plate 1 and the front of core plate 4 surround the first mold cavity 7 and the second mold cavity 8, first mold cavity 7 and the second mold cavity 8 and to be centrosymmetric layout about the turning cylinder of cover half tumbler and dynamic model tumbler, as shown in Figure 2; Be provided with heater and cooling device in die cavity holding plate 2 and core holding plate 5, in closed state, while heater heats a wherein mold cavity, cooling device cools another mold cavity mould.Screw 25 is adopted to be connected with dynamic mould fixing plate 6 with cover half fixed head 3, core holding plate 5 by die cavity holding plate 2 respectively.
As shown in Figure 3, cover half tumbler is identical with the structure of dynamic model tumbler, includes motor 9, main shaft 10, bearing 11 and block 12.In cover half tumbler, be arranged in the bearing saddle bore 13 of die cavity holding plate 2 after the axle journal of main shaft 10 coordinates with the inner ring of bearing 11; One end of main shaft 10 is connected with motor 9, and the other end is connected with cavity plate 1 by feather key 14; Block 12 is fixed by screws in the end face of main shaft 10, and restriction cavity plate 1 is along main shaft 10 distance in axial sliding; Motor 9 is fixed by screws in the end face of the bearing saddle bore 13 of die cavity holding plate 2.In dynamic model tumbler, be arranged in the bearing saddle bore 13 of core holding plate 5 after the axle journal of main shaft 10 coordinates with the inner ring of bearing 11; One end of main shaft 10 is connected with motor 9, and the other end is connected with core plate 4 by feather key 14; Block 12 is fixed by screws in the end face of main shaft 10, and restricted type central layer 4 is along main shaft 10 distance in axial sliding; Motor 9 is fixed by screws in the end face of the bearing saddle bore 13 of core holding plate 5.
Be provided with cover half assistant rotating device between cavity plate 1 and die cavity holding plate 2, between core plate 4 and core holding plate 5, be provided with dynamic model assistant rotating device; Cover half assistant rotating device is identical with the structure of dynamic model assistant rotating device, and include annular guide channel, guide pillar, be enclosed within the spring of guide pillar outer surface, spring is identical with the quantity of guide pillar.
In cover half assistant rotating device, the many guide pillars 15 that the even circumferential being provided with annularly guide groove 18 between cavity plate 1 and die cavity holding plate 2 distributes, the appearance surface cover of guide pillar 15 has spring 16, the back of cavity plate 1 offers guide pillar installing hole 17, and the front portion of die cavity holding plate 2 offers annular guide channel 18; One end of guide pillar 15 is arranged in the guide pillar installing hole 17 of cavity plate 1 by the mode of interference fit, and the other end is stuck in the annular guide channel 18 of die cavity holding plate 2 by the mode of matched in clearance.In the on state, cavity plate 1 and die cavity holding plate 2 keep being separated mould under the action of the spring 16, and cavity plate 1 can rotate along the annular guide channel 18 of die cavity holding plate 2 under the drive of cover half tumbler.Cavity plate 1 and die cavity holding plate 2 keep being separated and are conducive to reducing resistance when cavity plate 1 is rotated, thus reduce the power of motor 9.The degree of depth of annular guide channel 18 needs enough, can guarantee that the back side of cavity plate 1 and the front of die cavity holding plate 2 can fit into suitable mould completely in closed state.
In dynamic model assistant rotating device, the many guide pillars 15 that the even circumferential being provided with annularly guide groove 18 between core plate 4 and core holding plate 5 distributes, the appearance surface cover of guide pillar 15 has sleeve spring 16, the back of core plate 4 offers guide pillar installing hole 17, and the anteposition of core holding plate 5 offers annular guide channel 18; One end of guide pillar 15 is arranged in the guide pillar installing hole 17 of core plate 4 by the mode of interference fit, and the other end is stuck in the annular guide channel 18 of core holding plate 5 by the mode of matched in clearance.In the on state, core plate 4 and core holding plate 5 keep being separated mould under the action of the spring 16, and core plate 4 can rotate along the annular guide channel 18 of core holding plate 5 under the drive of dynamic model tumbler.Core plate 4 and core holding plate 5 keep being separated the resistance be conducive to when reduction type central layer 4 rotates, thus reduce the power of motor 9.The degree of depth of annular guide channel 18 needs enough, can guarantee that the back side of core plate 4 and the front of core holding plate 5 can fit into suitable mould completely in closed state.
Heater comprises heating plate 19, electrical bar 20, thermocouple 21, heater heat shield 22; Electrical bar 20 and thermocouple 21 are installed in heating plate 19, and are connected with Die temperature control device (not shown).In closed state, two cover heaters in die cavity holding plate 2 and in core holding plate 5 form the thermal technology position of heating mold cavity to mould.
The through hole installing heating plate 19 is offered in die cavity holding plate 2; Mould in closed state, the back side offering mold cavity (first mold cavity 7 or the second mold cavity 8) region in the front of heating plate 19 and cavity plate 1 fits tightly, heating plate 19 is heated mold cavity by the mode of transmission of heat by contact, because the thermograde between heating plate 19 and cavity plate 1 contact site is large, and heat conductive contact area is large, therefore mold cavity heating is rapid and even.Heater heat shield 22 is provided with between heating plate 19 and die cavity holding plate 2, between heating plate 19 and cover half fixed head 3.Heater heat shield 22 effectively can reduce the heat diffusion loss in heating plate 19, is conducive to reducing energy consumption, improves efficiency of utilization.
The through hole installing heating plate is offered in core holding plate 5; Mould in closed state, the back side offering mold cavity (first mold cavity 7 or the second mold cavity 8) region in the front of heating plate 19 and core plate 4 fits tightly, heating plate 19 is heated mold cavity by the mode of transmission of heat by contact, because the thermograde between heating plate 19 and core plate 4 contact site is large, and heat conductive contact area is large, therefore mold cavity heating is rapid and even.Heater heat shield 22 is provided with between heating plate 19 and core holding plate 5, between heating plate 19 and dynamic mould fixing plate 6.Heater heat shield 22 effectively can reduce the heat diffusion loss in heating plate 19, is conducive to reducing energy consumption, improves efficiency of utilization.
Cooling device comprises coldplate 23, the cooling pipe 24 of the logical cooling water be opened in coldplate 23, the solenoid directional control valve (not shown) of controlled cooling model pipeline break-make, cooling device heat shield 27.Solenoid directional control valve is connected with Die temperature control device.In closed state, two cover cooling devices in die cavity holding plate 5 and in core holding plate 2 form the cold station cooled mold cavity to mould.
Offer the through hole installing coldplate 23 in die cavity holding plate 2, heating plate 19 is centrosymmetric with the turning cylinder of coldplate 23 about cover half tumbler; Mould in closed state, the back side offering mold cavity (first mold cavity 7 or the second mold cavity 8) region in the front of coldplate 23 and cavity plate 1 fits tightly, coldplate 23 is cooled mold cavity by the mode of transmission of heat by contact, because the thermograde between coldplate 23 and cavity plate 1 contact site is large, and heat conductive contact area is large, therefore mold cavity cooling is rapid and even.Cooling device heat shield 27 is provided with between coldplate 23 and die cavity holding plate 2, between coldplate 23 and cover half fixed head 3.
Offer the through hole installing coldplate 23 in core holding plate 5, heating plate 19 is centrosymmetric with the turning cylinder of coldplate 23 for dynamic model tumbler; Mould is under matched moulds state, the back side offering mold cavity (first mold cavity 7 or the second mold cavity 8) region in the front of coldplate 23 and core plate 4 fits tightly, coldplate 23 is cooled mold cavity by the mode of transmission of heat by contact, because the thermograde between coldplate 23 and core plate 4 contact site is large, and heat conductive contact area is large, therefore mold cavity cooling is rapid and even.Cooling device heat shield 22 is provided with between coldplate 23 and core holding plate 5, between coldplate 23 and dynamic mould fixing plate 6.
Below in conjunction with Fig. 4 a-4e, the course of work of the present utility model is systematically discussed.The cold and hot double-position rotary rapid thermal cycles injection moulding process realized by above-mentioned mould, comprise the steps: (1) as shown in fig. 4 a, start Die temperature control device, electrical bar 20 is energized, both sides heating plate 19 is heated to design temperature and controls it in forming process, maintain that this is temperature-resistant; Meanwhile, open both sides solenoid directional control valve, cooling water is passed into constantly in the cooling pipe 24 in both sides coldplate 23, make both sides coldplate 23 maintain low-temperature condition in forming process always.(2) injection machine folding mould device is started, mould is closed, under the effect of mold clamping force, the back side of cavity plate 1 and the back side of core plate 4 fit tightly with the front of die cavity holding plate 2 and the front of core holding plate 5 respectively, heater starts to heat the first mold cavity 7, as shown in Figure 4 b.(3) when the first mold cavity 7 is heated to predetermined temperature (such as, 110-160 DEG C) time, start injection machine folding mould device, make mold open, cavity plate 1 is separated with core holding plate 5 with die cavity holding plate 2 under the effect of the two groups of springs 16 in both sides respectively with core plate 4, then start cover half tumbler and dynamic model tumbler, cavity plate 1 and core plate 4 are rotated 180 ° respectively, as illustrated in fig. 4 c.(4) again start injection machine folding mould device, mould is closed, and starts the injection device of injection machine, the plastic melt plastified is injected the first mold cavity 7; Meanwhile, both sides cooling device cools the first mold cavity 7, and both sides heater heats the second mold cavity 8, as shown in figure 4d.(5) when the goods 26 in the first mold cavity 7 are cooled to calcining temperature, now the second mold cavity 8 has been heated to predetermined temperature (such as, 110-160 DEG C), starts injection machine folding mould device, makes mold open, eject goods 26; Then start cover half tumbler and dynamic model tumbler, cavity plate 1 and core plate 4 are rotated 180 ° respectively again, as shown in fig 4e.So far, complete a rapid thermal cycles injection cycle, and next working cycles can be entered by step (4) and (5).
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (8)
1. a cold and hot double-position rotary rapid thermal circulation injection mould, comprises cover half assembly and dynamic model assembly; Cover half assembly comprises the cavity plate, die cavity holding plate, the cover half fixed head that set gradually; Dynamic model assembly comprises the core plate, core holding plate, the dynamic mould fixing plate that set gradually; It is characterized in that:
Cover half assembly also comprises the cover half tumbler driving cavity plate to rotate on die cavity holding plate;
Dynamic model assembly also comprises the dynamic model tumbler driving core plate to rotate on core holding plate;
The front of cavity plate and the front of core plate surround two mold cavities; Be provided with heater and cooling device in die cavity holding plate and core holding plate, in closed state, while heater heats one of them mold cavity, cooling device cools another mold cavity mould.
2. cold and hot double-position rotary rapid thermal circulation injection mould according to claim 1, is characterized in that: described cover half tumbler is identical with the structure of dynamic model tumbler, includes motor, main shaft, bearing and block;
In cover half tumbler, the axle journal of main shaft is arranged on after coordinating with the inner ring of bearing in the bearing saddle bore of die cavity holding plate; One end of main shaft is connected with motor, and the other end is connected with cavity plate by feather key; Restriction cavity plate is fixed by screws in the end face of main shaft along the slide axially block of distance of main shaft; Motor is fixed by screws in the end face of the bearing saddle bore of die cavity holding plate;
In dynamic model tumbler, the axle journal of main shaft is arranged on after coordinating with the inner ring of bearing in the bearing saddle bore of core holding plate; One end of main shaft is connected with motor, and the other end is connected with core plate by feather key; Restricted type central layer is fixed by screws in the end face of main shaft along the slide axially block of distance of main shaft; Motor is fixed by screws in the end face of the bearing saddle bore of core holding plate.
3. cold and hot double-position rotary rapid thermal circulation injection mould according to claim 1, is characterized in that: be provided with cover half assistant rotating device between described cavity plate and die cavity holding plate, is provided with dynamic model assistant rotating device between core plate and core holding plate; Cover half assistant rotating device is identical with the structure of dynamic model assistant rotating device, includes annular guide channel, guide pillar and is enclosed within the spring of guide pillar outer surface;
In cover half assistant rotating device, guide pillar is fixed on the back of cavity plate, and the front portion of die cavity holding plate offers annular guide channel, guide pillar annularly guide groove slippage when cavity plate is rotated; Spring is arranged between cavity plate and die cavity holding plate; In the on state, cavity plate and die cavity holding plate keep being separated mould under the action of the spring, and in closed state, cavity plate and die cavity holding plate fit tightly mould under the effect of mold clamping force;
In dynamic model assistant rotating device, guide pillar is fixed on the back of core plate, and the front portion of core holding plate offers annular guide channel, guide pillar annularly guide groove slippage when core plate is rotated; Spring is arranged between core plate and core holding plate; In the on state, core plate and core holding plate keep being separated mould under the action of the spring, and in closed state, core plate and core holding plate fit tightly mould under the effect of mold clamping force.
4. cold and hot double-position rotary rapid thermal circulation injection mould according to claim 3, it is characterized in that: in cover half assistant rotating device, the back of cavity plate offers guide pillar installing hole, one end of guide pillar is arranged in the guide pillar installing hole of cavity plate by the mode of interference fit, and the other end is arranged in the annular guide channel of die cavity holding plate by the mode of matched in clearance;
In dynamic model assistant rotating device, the back of core plate offers guide pillar installing hole, and one end of guide pillar is arranged in the guide pillar installing hole of core plate by the mode of interference fit, and the other end is arranged in the annular guide channel of core holding plate by the mode of matched in clearance.
5. cold and hot double-position rotary rapid thermal circulation injection mould according to claim 1, is characterized in that: described mold cavity comprises the first mold cavity and the second mold cavity; First mold cavity and the second mold cavity to be centrosymmetric layout for the turning cylinder of cover half tumbler and dynamic model tumbler.
6. cold and hot double-position rotary rapid thermal circulation injection mould according to claim 1, is characterized in that: described heater comprises: heating plate, heating, temperature element, heater heat shield; Heating and temperature element are installed in heating plate, and are connected with Die temperature control device;
In die cavity holding plate, in closed state, the back side offering mold cavity region in the front of heating plate and cavity plate fits tightly mould; Heater heat shield is provided with between heating plate and die cavity holding plate, between heating plate and cover half fixed head;
In core holding plate, in closed state, the back side offering mold cavity region in the front of heating plate and core plate fits tightly mould; Heater heat shield is provided with between heating plate and core holding plate, between heating plate and dynamic mould fixing plate.
7. cold and hot double-position rotary rapid thermal circulation injection mould according to claim 1, is characterized in that: described cooling device comprises: coldplate, the cooling pipe be opened in coldplate, the solenoid directional control valve of controlled cooling model pipeline break-make, cooling device heat shield; Solenoid directional control valve is connected with Die temperature control device;
In die cavity holding plate, in closed state, the back side offering mold cavity region in the front of coldplate and cavity plate fits tightly mould; Cooling device heat shield is provided with between coldplate and die cavity holding plate, between coldplate and cover half fixed head;
In core holding plate, in closed state, the back side offering mold cavity region in the front of coldplate and core plate fits tightly mould; Cooling device heat shield is provided with between coldplate and core holding plate, between coldplate and dynamic mould fixing plate.
8. cold and hot double-position rotary rapid thermal circulation injection mould according to claim 1, is characterized in that: described die cavity holding plate is connected respectively by screw with dynamic mould fixing plate with cover half fixed head, core holding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203703.4U CN204585735U (en) | 2015-04-03 | 2015-04-03 | Cold and hot double-position rotary rapid thermal circulation injection mould |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520203703.4U CN204585735U (en) | 2015-04-03 | 2015-04-03 | Cold and hot double-position rotary rapid thermal circulation injection mould |
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| CN204585735U true CN204585735U (en) | 2015-08-26 |
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| CN201520203703.4U Withdrawn - After Issue CN204585735U (en) | 2015-04-03 | 2015-04-03 | Cold and hot double-position rotary rapid thermal circulation injection mould |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859105A (en) * | 2015-04-03 | 2015-08-26 | 华南理工大学 | Hot-and-cold double-station rotary rapid heat cycle injection mould and moulding method |
| WO2023240685A1 (en) * | 2022-06-15 | 2023-12-21 | 常州市瑞泰光电有限公司 | Injection mold |
-
2015
- 2015-04-03 CN CN201520203703.4U patent/CN204585735U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859105A (en) * | 2015-04-03 | 2015-08-26 | 华南理工大学 | Hot-and-cold double-station rotary rapid heat cycle injection mould and moulding method |
| WO2023240685A1 (en) * | 2022-06-15 | 2023-12-21 | 常州市瑞泰光电有限公司 | Injection mold |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20150826 Effective date of abandoning: 20170620 |