CN102773973B - The residual resin discharge device of hot-runner injection mold device - Google Patents
The residual resin discharge device of hot-runner injection mold device Download PDFInfo
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- CN102773973B CN102773973B CN201110123318.5A CN201110123318A CN102773973B CN 102773973 B CN102773973 B CN 102773973B CN 201110123318 A CN201110123318 A CN 201110123318A CN 102773973 B CN102773973 B CN 102773973B
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- 239000011347 resin Substances 0.000 title claims abstract description 350
- 229920005989 resin Polymers 0.000 title claims abstract description 350
- 238000002347 injection Methods 0.000 title claims abstract description 33
- 239000007924 injection Substances 0.000 title claims abstract description 33
- 238000002955 isolation Methods 0.000 claims abstract description 59
- 238000000926 separation method Methods 0.000 claims abstract description 10
- 238000009877 rendering Methods 0.000 claims description 40
- 238000010008 shearing Methods 0.000 claims description 29
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 description 7
- 238000001746 injection moulding Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2725—Manifolds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1753—Cleaning or purging, e.g. of the injection unit
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of residual resin discharge device of hot-runner injection mold device, resin isolation discharger is connected between the runner of its flow distribution plate and the resin channels of nozzle, cull in runner is separated in resin passing away and discharges, what be separately provided with resin channels lower end and the nozzle side resin passing away connecting nozzle is separated passing away, and nozzle resin channels inwall cull is discharged to resin passing away by separation passing away.This residual resin discharge device effectively can be separated discharge with the cull in nozzle resin channels from new resin flow distribution plate runner inner wall, thus avoid cull to be mixed into producing in new molten resin shaping bad.
Description
Technical field
The present invention relates to a kind of residual resin discharge device of hot-runner injection mold device.
Background technology
Current hot-runner injection mold device as shown in Figure 1, it comprises flow distribution plate 30, mould an actor's rendering of an operatic tune plate 10 and several nozzles 20, several an actor's rendering of an operatic tune 11 are formed in mould an actor's rendering of an operatic tune plate, flow distribution plate is located at above mould an actor's rendering of an operatic tune plate, flow distribution plate inside forms several runners 32, several nozzles are located in mould an actor's rendering of an operatic tune plate respectively, and the cast gate 23 of these several nozzles is respectively just to an an actor's rendering of an operatic tune, separately in these several nozzles, be provided with resin channels 21, resin channels one end and flow passage, the other end is communicated with cast gate, molten resin is supplied to each nozzle by the molten resin feeding mechanism of outside respectively by runner and resin channels, then an actor's rendering of an operatic tune is fed to by the cast gate of nozzle.
In addition, if during the needle valve type hot runner injection mold of the cast gate of nozzle with valve type opening and closing, can be provided with in said nozzle in order to during injection moulding to an actor's rendering of an operatic tune selective supply molten resin the needle 22 of in good time opening and closing cast gate, now can be provided with a needle drive unit 40 in each nozzle 20 upper end and drive needle to be elevated thus and opening and closing cast gate in good time.Namely during injection moulding, (when the molten resin of flow distribution plate injects an actor's rendering of an operatic tune) needle drive unit drives needle to rise and opens cast gate, and at the end of injection moulding, cast gate is closed in needle decline.
When but the molten resin supplied during these hot-runner injection mold device injection mouldings is in the past by the runner of flow distribution plate and nozzle resin channels, because of the frictional resistance of first and second runner inner wall, along the resin of inwall flowing than resin-phase flow along centre to slowly.
Because of the resin flows characteristic in the flow distribution plate runner of these injection mold apparatus, injection mo(u)lding suspends or terminates first and second runner inner wall rear just has resin residue.And the length of the runner of flow distribution plate is longer, the flowage friction resistance that runner inner wall produces is larger and amount of resin that is that remain is larger.
Resin residual on the resin channels inwall of such runner and nozzle, by the heat of heater wire charing variable color, and reload (particularly the different resin of color) injection moulding time, enter produce in new resin shaping bad.
Injection mold apparatus in the past, in order to resin residual on the resin channels inwall of runner inner wall and nozzle is discharged completely, uses a lot of new resin.Resin use amount increase when therefore reloading also is a shortcoming of injection mold apparatus in the past.
Further, to the injection mold apparatus supply molten resin feeding mechanism melting of molten resin and the quantitative resin of pressure injection, the molten resin amount of therefore supplying mould inside an actor's rendering of an operatic tune is also quantitative.In mould the supply of the capacity comparison resin feeding mechanism of an actor's rendering of an operatic tune relatively less time, the amount of resin of flow distribution plate runner internal residual can increase, reload injection moulding time the amount of resin that consumes also can increase.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of residual resin discharge device of hot-runner injection mold device, this residual resin discharge device effectively can clear up the resin of flow distribution plate runner internal residual and the cull of nozzle resin channels inside, and that effectively avoids cull to be mixed in new resin causing is shaping bad.
The present invention in order to the technical scheme solving its technical problem and adopt is: a kind of residual resin discharge device of hot-runner injection mold device, comprise mould an actor's rendering of an operatic tune plate, flow distribution plate, nozzle and molten resin feeding mechanism, described flow distribution plate is located at above described mould an actor's rendering of an operatic tune plate, described flow distribution plate is formed with main cast gate and several runners, and one end of these several runners is communicated with main cast gate respectively; Described molten resin feeding mechanism be able to supply molten resin to main cast gate; Described mould an actor's rendering of an operatic tune plate forms several an actor's rendering of an operatic tune; Described nozzle is located in described mould an actor's rendering of an operatic tune plate, described nozzle is several, establishes resin channels and cast gate in each nozzle, and one end of described resin channels is communicated with the other end of described runner, the other end of described resin channels is communicated with described cast gate, and described cast gate is communicated with an an actor's rendering of an operatic tune respectively; Also needle is provided with in described resin channels, separately be provided with needle drive unit, described needle drive unit just can drive described needle to control opening and the cut out of described cast gate, resin isolation discharger is respectively equipped with at described runner and resin channels junction, separately be provided with resin passing away, described resin isolation discharger be able to be separated to the molten resin along described runner sidewall described resin passing away and discharge.Like this, only have the molten resin along runner center flow to be just sent in the resin channels of nozzle, then deliver in an actor's rendering of an operatic tune through the cast gate of nozzle, and along the molten resin of runner sidewall owing to being separated and discharged, thus avoid it to be mixed into an actor's rendering of an operatic tune.
As a further improvement on the present invention, the structure that described resin isolation discharger be able to be separated to the molten resin along described runner sidewall the discharge of described resin passing away is: described resin isolation discharger comprises body and is located at the entrance and exit on this body, described outlet and entrance conducting, the core of described outlet forms service duct, be provided with several grooves at its radial direction of all edges of service duct and form several split channels, described service duct is communicated with the resin channels of described nozzle, described split channel is communicated with described resin passing away.Like this, when molten resin arrives resin isolation discharger by runner, be sent to the resin channels of nozzle along the molten resin of runner center flow by the entrance of resin isolation discharger through service duct, and be split into resin passing away along the molten resin of flowing wall flow through split channel and discharge.
As a further improvement on the present invention, several runners described are respectively equipped with subsidy and are separated discharger, this subsidy is separated discharger just can be discharged to the molten resin along described runner sidewall described resin passing away.This subsidy is separated discharger and is mainly used on the hot-runner injection mold device that has compared with long shunt plate, is separated in advance, more effectively can removes the molten resin of runner inner wall by its runner middle part at flow distribution plate to molten resin.
As a further improvement on the present invention, described subsidy is separated discharger and is provided with the first service duct and the first split tunnel, described first service duct be able to pass through the molten resin along described runner center flow, and described first split tunnel be able to be separated the molten resin along described runner wall flow and be discharged to the discharge of described resin passing away.
As a further improvement on the present invention, separation passing away is provided with along its axis direction in described each nozzle, one end of described separation passing away is connected near one end of its cast gate with the resin channels of described nozzle, and the other end is communicated with described resin passing away.Like this, the molten resin along nozzle resin channels center flow channels can be sent to an actor's rendering of an operatic tune through cast gate, and is separated to the discharge of resin passing away along the molten resin of nozzle resin channels sidewall through being separated passing away.
As a further improvement on the present invention, the outlet of described resin passing away is also provided with resin and discharges shearing device, this discharge shearing device be able to control opening and the cut out of the outlet of described resin passing away.Like this, by whether discharging the work of the control resin isolation discharger that shearing device can be convenient, according to actual needs, unrestricted choice.
As a further improvement on the present invention, described discharge shearing device comprises cutting needle and cutting needle drive unit, and described cutting needle drive unit just can drive described cutting needle back and forth movement and control cut out and the opening of the outlet of described resin passing away.This cutting needle drive unit can be cylinder or electric machine structure, and this is technology well known to those skilled in the art, is not described in detail in this.
As a further improvement on the present invention, an excavationg pump is connected respectively at the port of export of described resin passing away.This excavationg pump can be vavuum pump, and this is also technology well known to those skilled in the art, is not described in detail in this.
As a further improvement on the present invention, described each resin isolation discharger is respectively equipped with a resin passing away, and described each resin passing away is connected to common apocenosis passage, this apocenosis passage is provided with resin and discharges shearing device and excavationg pump.
As a further improvement on the present invention, described resin isolation discharger is combined by two or more resin isolation discharger, and the described resin isolation discharger often organized to be connected on same resin passing away and finally to form a total resin passing away, this total resin passing away has been provided with and has discharged shearing device and excavationg pump; Described resin isolation discharger and described resin channels are coaxially arranged; Separately on described flow distribution plate, be provided with heating wire rod, this heating wire rod just can heat the molten resin in the runner of described flow distribution plate.
The invention has the beneficial effects as follows:
1. according to the residual resin discharge device of hot-runner injection mold device of the present invention, flow distribution plate runner internal residual resin is separated discharge with the cull of nozzle resin channels inside, cull can be prevented to be mixed into generation product in new molten resin bad.When shaping needs reload and produce in addition, can reduce the resin consumptions because cull causes, not only time upper shortening, cost also reduces.
2. with the new molten resin being injected into flow distribution plate runner inside, the cull of runner inside can be discharged, simple to operate when reloading, operations for forming time shortens.Cull in nozzle resin channels also can be removed with the cull of runner inside together again, resin replacement operation is simple.
3., when the molten resin supplied capacity of molten resin feeding mechanism of the present invention is more than the capacity relative of an actor's rendering of an operatic tune, the only molten resin of supply an actor's rendering of an operatic tune capacity, the part exceeded discharges, and is recycled to regeneration in molten resin feeding mechanism and uses.
4. the present invention effectively discharges the device in Gas that the molten resin of hot flow path inside occurs, and what prevent from device in Gas to be mixed into causing is shaping bad.
Accompanying drawing explanation
Fig. 1 is the simple profile of hot-runner injection mold device in the past;
Fig. 2 is the longitudinal sectional drawing of the hot-runner injection mold device of first embodiment of the invention;
Fig. 3 is the profile of the first embodiment shown in the cut-out of " X-X " line in Fig. 2;
Fig. 4 is the oblique view of the resin isolation discharger of first embodiment of the invention;
Fig. 5 is that details drawing is amplified in Fig. 2 " A " portion;
Fig. 6 is the longitudinal sectional drawing of the second embodiment of the present invention;
Fig. 7 is the oblique view of the resin isolation discharger of second embodiment of the invention;
Fig. 8 is the amplification details drawing in Fig. 6 " B " portion;
Fig. 9 is the transverse cross-sectional view of the 3rd embodiment of the present invention;
Figure 10 is the longitudinal sectional drawing of the 3rd embodiment in Fig. 9 shown in " Y-Y " line;
Figure 11 is the transverse cross-sectional view of the fourth embodiment of the present invention;
Figure 12 is the longitudinal sectional drawing of the 4th embodiment in Figure 11 shown in " Z-Z " line;
Figure 13 is the oblique view of the subsidy resin isolation discharger of the fourth embodiment of the present invention;
Figure 14 is the longitudinal sectional drawing of the fifth embodiment of the present invention;
Figure 15 is the transverse cross-sectional view of the sixth embodiment of the present invention;
Figure 16 is the longitudinal sectional drawing of the sixth embodiment of the present invention shown in the cut-out of " P-P " line in Figure 15;
Figure 17 is the oblique view of the resin isolation discharger of the 6th embodiment;
Figure 18 is that the significant points of Figure 16 amplifies details drawing.
By reference to the accompanying drawings, make the following instructions:
10---mould an actor's rendering of an operatic tune plate 11---an actor's rendering of an operatic tune
20---nozzle 21---resin channels
22---needle 23---cast gate
30---flow distribution plate 31---main cast gate
32---runner 25---is separated passing away
34---resin passing away 40---needle drive unit
50---resin isolation discharger 33---heating wire rod
53---entrance 54---interface channel
51---service duct 52---split channel
Shearing device discharged by 35---outlet 60 of resin passing away---resin
61---cutting needle 62---cutting needle drive unit
70---excavationg pump 80---subsidy is separated discharger
63---apocenosis passage 30a---top flow distribution plate
30b---bottom flow distribution plate 81---the first service duct
82---the first split tunnel
Detailed description of the invention
Below, by reference to the accompanying drawings the present invention is elaborated.
Embodiment 1:
Fig. 2 to Fig. 5 is first embodiment of the invention.The hot-runner injection mold device of the first embodiment of the present invention comprises mould an actor's rendering of an operatic tune plate 10 of formation more than one an actor's rendering of an operatic tune 11, the flow distribution plate 30 forming multiple runner 32, the nozzle 20 be located in an actor's rendering of an operatic tune Die and mould plate, drives nozzle inner valve needle 22 to move back and forth with the needle drive unit 40 of opening and closing nozzle gate 23 and molten resin feeding mechanism (not shown in FIG.).
As shown in Figures 2 and 3, the runner of above flow distribution plate is that the multiple runners 32 shunted from main cast gate 31 form, and runner is communicated with the resin channels 21 in the nozzle of each front position.During use, the main cast gate 31 of molten resin above flow distribution plate of molten resin feeding mechanism supply enters into each runner 32, the resin channels 21 then in runner flow nozzle, is arrived the cast gate 23 of nozzle bottom by resin channels, cast gate, just to an actor's rendering of an operatic tune, is finally delivered in an actor's rendering of an operatic tune by cast gate.
Needle in nozzle to be located in resin channels and to be driven by needle drive unit and carries out pumping thus make cast gate be in opening and closing state.Above needle drive unit is the cylinder piston device of oil pressure or air pressure, is all disclosed technology, does not elaborate at this.
In a first embodiment, flow distribution plate 30 can be divided into top flow distribution plate 30a and bottom flow distribution plate 30b according to the length direction of runner 32.But the present invention is not construed as limiting flow distribution plate, also comprise flow distribution plate one composition.What drawing symbol 33 represented is in order to the molten resin temperature of flow distribution plate runner internal flow is maintained within a certain range, the heating wire rod arranged around flow distribution plate.
Be provided with resin isolation discharger 50 between the nozzle that each runner and being attached thereto connects above, and resin passing away 34 is set in the coaxial direction of each runner.
Above resin isolation discharger 50 as shown in Figures 4 and 5, possesses body, the molten resin (black arrow of Fig. 5 represents) that above body possesses along the flowing of runner centre sphere is supplied to the service duct 51 of the resin channels 21 of top nozzle 20, molten resin (white arrow of Fig. 5 represents) shunting of flowing along service duct 51 inwall is guided into the split channel 52 of above resin passing away 34.
Above service duct 51 sidewall possesses the entrance 53 that the front end with above flow distribution plate 30 runner 32 is communicated with, outlet is coaxially connected with the resin channels 21 of nozzle 20.Above split channel 52 is that multiple split channels of the exit position radial direction lateral of service duct 51 are formed, and each split channel upwards extends connection resin passing away 34 by the sidewall of body.
The resin channels 21 of nozzle 20 guided the molten resin flowed along runner centre sphere into by above resin isolation discharger 50 by service duct 51, the molten resin (comprising the cull that inwall is residual) along above flow distribution plate 30 runner 32 inwall flowing is guided into resin passing away 34 by split channel 52 separation.
As shown in Figure 3, it is inner that the new molten resin (filled arrows of Fig. 3 represents) being flow to runner inside by main cast gate 31 flows to service duct 51 with the entrance that the cull (dotted arrow of Fig. 3 represents) of runner inner wall flows through resin isolation discharger 50 together.
As shown in Figure 5, molten resin along runner inner wall and the flowing of service duct 51 inwall is shunted along split channel 52 by affecting by injection pressure after the service duct 51 of resin isolation discharger 50, discharge to resin passing away 34, the molten resin (black arrow of Fig. 5 represents) that the centre sphere along runner 32 flows is flowed by the resin channels 21 to nozzle 20 after service duct 51.
The outlet 35 of above resin passing away is opened by the action that shearing device 60 discharged by resin or closes.
Above resin is discharged shearing device 60 and is comprised the cutting needle 61 of the outlet 35 of front and back back and forth movement closedown or open above resin passing away and drive the cutting needle drive unit 62 of above cutting needle up and down.The outlet 35 of resin passing away is open in the side of flow distribution plate 30, the flow distribution plate side that the outlet 35 that above resin discharge shearing device 60 is arranged on resin passing away is open.
When injection mo(u)lding changes new resin forming into from original resin, first start needle drive unit 40, cast gate 23 needle 22 is closed, molten resin is unable to supply in an actor's rendering of an operatic tune 11.The cutting needle 61 of resin discharge shearing device 60 is retreated, the outlet 35 of open resin passing away simultaneously.Then inject to runner 32 inside the new molten resin changed.New molten resin shifts the cull of runner inner wall (the dotted arrow direction of Fig. 3) onto the end of runner by runner 32.
Like this, being continued to be promoted by new molten resin by the molten resin that new molten resin promotes, by shunting along split channel 52 after the service duct 51 of resin isolation discharger 50, discharging to resin passing away 34 direction.Because the outlet 35 of resin passing away is open, outside being discharged to by its outlet by the cull of resin passing away 34.Start resin after continuing to discharge completely the cull of runner inner wall like this and discharge shearing device 60, cut off the outlet 35 of resin passing away, starter gate valve needle actuating device 40 retreats needle 22 simultaneously, opening cast gate 23.Molten resin new under this state is shunted by resin passing away 34 by part resin during resin isolation discharger 50, flow to resin passing away 34, but because of port closing, molten resin can not be discharged, an actor's rendering of an operatic tune 11 can only be supplied to by the resin channels 21 of nozzle 20.The cull of such runner inner wall is discharged by the shunting of new molten resin, prevents cull to be mixed into new molten resin and enters an actor's rendering of an operatic tune.
In addition, the apocenosis passage 63 shearing device 60 possessing the outlet 35 of the above resin passing away of UNICOM discharged by resin, the outlet of this apocenosis passage 63 connects the excavationg pump 70 of similar vacsorb pump, in apocenosis passage 63 and resin passing away 34, apply vacuum suction force, resin is discharged more smooth and easy.
Embodiment 2:
Fig. 6 to Fig. 8 is the residual resin discharge device of the present invention according to the second embodiment
The residual resin discharge device of this second embodiment, the structure except flow distribution plate is one, and resin isolation discharger 50 embeds in nozzle combined hole outside setting in the bottom surface of flow distribution plate 30, and other structure is the same with the first embodiment.Below the Action Specification of the parts of following the first embodiment same and parts is omitted.The parts with the first embodiment is same are also had to use same drawing symbol.
The resin isolation discharger 50 of above second embodiment as shown in Figure 6, follow in the nozzle providing holes of flow distribution plate and embed with resin channels 21 coaxial direction of top nozzle 20, supported by the upper end of nozzle that screw convolution is arranged by lower end.Under the state of such installation, nozzle 20 is separated in the providing holes of flow distribution plate, and resin isolation discharger 50 is also be easy to remove from flow distribution plate 30.The dismounting of such structure to resin isolation discharger is very convenient.
The resin isolation discharger 50 of above second embodiment as shown in Figure 7, possesses body, above body possesses and is supplied to the service duct 51 of the resin channels 21 of top nozzle 20 by the molten resin of runner 32 inside, connects the more than one split channel 52 of resin passing away in the shunting of service duct 51 end.Also have the interface channel 54 in order to the outlet ends of each split channel 52 being connected to resin passing away 34, interface channel 54 is round the body lateral of resin isolation discharger 50.
The action of the resin discharger of above second embodiment is described with reference to Fig. 6 and Fig. 8.The cull of runner 32 inwall is driven to flow to together in resin isolation discharger 50 during the runner 32 of the molten resin injected by main cast gate 31 from outside molten resin feeding mechanism (figure omit) by flow distribution plate 30.Resin isolation discharger 50 is shunted in exit the cull (black arrow) flowed along service duct 51 inwall by split channel 52, discharge to resin passing away 34 through interface channel 54, the molten resin (white arrow) along the flowing of service duct 51 centre sphere guides the resin channels 21 of nozzle 20 into.
The cull shunted by resin isolation discharger 50 is like this discharged by the outlet of the opening of resin passing away 34 under the effect of excavationg pump 70.
Embodiment 3:
Fig. 9 and Figure 10 is the third embodiment of the present invention.In the third embodiment of the present invention, the flow distribution plate 30 of hot-runner injection mold device arranges multiple nozzle 20, the runner 32 that above each nozzle 20 is shunted with main cast gate 31 connects one by one.
Each nozzle 20 equally carrys out opening and closing cast gate with the needle 22 of needle drive unit lifting with other embodiments, the molten resin flowed by runner 32 to an actor's rendering of an operatic tune supply or cut-out supply.
Multiple nozzles 20 that above flow distribution plate is arranged are formed by multiple Nozzle combination, and each Nozzle combination is formed by multiple (embodiment being two) nozzle 20.
These multiple Nozzle combinations are fixed Shooting Technique or simultaneously or single movement according to the shape of injection molding product or structure.Also have each nozzle 20 to arrange resin isolation discharger 50, the cull of the runner that each nozzle connects independently is discharged.
The resin isolation discharger 50 that two nozzles of a composition Nozzle combination are arranged is connected by same resin passing away 34.Also have the resin passing away 34 of each Nozzle combination to be carried out opening and closing by the opening and closing function that shearing device 60 discharged by respective resin, the resin of discharging is discharged from apocenosis passage 63.Also have the exit of apocenosis passage 63 and resin passing away that the excavationg pump 70 of similar vavuum pump is set to apocenosis passage direction, resin is discharged more smooth.Here it is the same that resin discharges shearing device 60 with needle driving device structure, does not elaborate at this.
In above 3rd embodiment, each resin isolation discharger 50 is separated the cull in runner process reference Fig. 9 and Figure 10 explanation of discharging runner outside from the molten resin of new supply.
Here only shearing device 60 discharged by the resin of an open Nozzle combination, and shearing device 60 Close All discharged by the resin of other Nozzle combinations, only discharges the cull in the runner 32 connected with a Nozzle combination and explains.
New molten resin is fed to by main cast gate 31 and discharges with the resin opened in runner 32 that shearing device is communicated with, drives cull in runner 32 together by resin isolation discharger 50 when molten resin is flowed by runner 32.Resin isolation discharger is discharged to resin passing away 34 with the same cull in runner is shunted in the way shown in fig. 5 of other embodiments.The cull being discharged to resin passing away 34 is like this discharged pump 70 by open apocenosis passage 63 and discharges by force outside.
According to the 3rd embodiment, as requested multiple Nozzle combination and the selective control of opening and closing of discharging shearing device during injection mo(u)lding operation, can the selective discharge as requested of the cull in multiple runner.
Embodiment 4:
Shown in Figure 11 to Figure 13 is fourth embodiment of the invention.
The feature of the 4th embodiment is longer for the length of the runner 32 from main cast gate 31 to nozzle 20, adds the subsidy resin isolation discharger 80 that can be separated for the first time and discharge cull in runner 32 in the centre of each runner 32.
Also have, be separated discharger 80 and possess one in order to make resin isolation discharger 50 that a runner 32 is arranged and subsidize and independently discharge runner, connect with a resin passing away 34, these each resin passing aways 34 are discharged shearing device 80 by respective resin and are connected to an apocenosis passage 63.The outlet of this apocenosis passage 63 equally arranges the excavationg pump 70 of similar vavuum pump with other embodiments.Excavationg pump 70 applies vacuum suction force to the outlet of apocenosis passage 63, discharges the resin of apocenosis passage more glibly.
As shown in figure 13, the sidewall of the body of above-mentioned subsidy separation discharger 80 is formed the first service duct 81 by resin in runner 32 along runner direction, form the first split channel 82 along lateral wall circumference, the resin that the first service duct 81 is separated can be guided into resin passing away 34.
Such subsidy is separated discharger 80 and the resin that inwall in the front runner in main cast gate direction remains is discharged to resin passing away 34 by the first split channel 82 separation of sidewall, new resin by runner center is guided into resin isolation discharger 50 direction by resin first service duct 81, the cull in front first time can be discharged like this.Follow other embodiments equally to shunt resin residual for rear runner inner wall during the resin isolation discharger 50 that the molten resin being separated discharger 80 by this subsidy is arranged by nozzle 20 anterior position and be discharged to resin passing away 34.Therefore the inwall cull of long runner can be discharged completely.
Embodiment 5:
Figure 14 is the profile of fifth embodiment of the invention.
5th embodiment is the nozzle residual resin discharge device of discharging about the resin channels internal residual resin isolation of nozzle,
The nozzle cull resin discharger of this 5th embodiment is still located at runner and nozzle resin channels junction, the resin channels 21 of nozzle 20 is shunted in lower end, separately be provided with along nozzle 20 body length direction until the separation passing away 25 of upper end, by being separated the resin passing away 34 of the nozzle side that passing away 25 is discharged to the outside nozzle resin channels 21 inwall cull above.
Nozzle side cull resin discharger together with the cull of resin channels 21 inwall of nozzle 20, is diverted through the cull of runner 32 inwall separation passing away 25 and is discharged to nozzle side resin passing away 34 in resin channels 7 lower end.
Further, the outlet 35 of nozzle side resin passing away connects resin and discharge shearing device 60 and apocenosis passage 63, above apocenosis passage 63 connects excavationg pump 70 and help to discharge.
The residual resin discharge device of the 5th embodiment, not only can make the cull of flow distribution plate 30 side inwall, the cull of resin channels 21 inwall of nozzle 20 can be made also all to discharge simultaneously.Therefore an actor's rendering of an operatic tune is injected in the new molten resin preventing from cull to be mixed into completely will changing.
Embodiment 6:
Figure 15 to Figure 18 is the sixth embodiment of the present invention.
The feature of the sixth embodiment of the present invention is the nozzle side cull resin isolation discharger comprising cull in the resin isolation discharger 50 of cull of the runner 32 of discharging flow distribution plate 30 and discharge nozzle side resin channels.
As shown in Figure 15 and Figure 16, the flow passage side cull resin isolation discharger 50 of the sixth embodiment of the present invention is arranged on the connecting portion of each runner 32 and nozzle 20.Above flow passage side cull resin isolation discharger 50 as shown in figure 17, possesses body, above body possesses guides the molten resin of runner 32 inside by flow distribution plate with the service duct 51 of the resin channels 21 of top nozzle 20 and the multiple split channels 52 in above service duct 51 end shunting into, and the interface channel 54 connecting each split channel 52 end in addition extends round the body outer wall of resin isolation discharger 50.
Above nozzle side cull resin isolation discharger as shown in figure 18, the resin channels 21 lower end shunting of nozzle 20, along nozzle 20 body length direction until the separation passing away 25 of upper end, by being separated the nozzle side resin passing away 34 that passing away 25 is discharged to the outside nozzle resin channels inwall cull above.
As shown in Figure 15 and Figure 16, above flow passage side cull resin isolation discharger 50 connects with each independently flow passage side resin passing away 34 at interface channel 54 place.Above flow passage side resin passing away 34 and nozzle side resin passing away 34 are discharged shearing device 60 by a resin and are connected on total resin passing away 34.
Shearing device 60 discharged by the outlet connected drainage passage 63 of resin passing away 34 total above and total resin.
6th embodiment, the cull of flow distribution plate side inwall not only can be made to discharge, cull simultaneously in nozzle resin channels is also all discharged by respective independently resin passing away, because the discharge shearing device that each resin passing away connects can selectively operate, the discharge of the cull in each nozzle or flow distribution plate runner can be also can be independently optionally control.
Claims (9)
1. the residual resin discharge device of a hot-runner injection mold device, comprise mould an actor's rendering of an operatic tune plate (10), flow distribution plate (30), nozzle (20) and molten resin feeding mechanism, described flow distribution plate is located at above described mould an actor's rendering of an operatic tune plate, described flow distribution plate is formed with main cast gate (31) and several runners (32), and one end of these several runners is communicated with main cast gate respectively; Described molten resin feeding mechanism be able to supply molten resin to main cast gate; Described mould an actor's rendering of an operatic tune plate forms several an actor's rendering of an operatic tune (11); Described nozzle is located in described mould an actor's rendering of an operatic tune plate, described nozzle is several, resin channels (21) and cast gate (23) is established in each nozzle, one end of described resin channels is communicated with the other end of described runner, the other end of described resin channels is communicated with described cast gate, and described cast gate is communicated with an an actor's rendering of an operatic tune respectively; Needle (22) is also provided with in described resin channels, separately be provided with needle drive unit (40), described needle drive unit just can drive described needle to control opening and the cut out of described cast gate, it is characterized in that: be respectively equipped with resin isolation discharger (50) at described runner and resin channels junction, separately be provided with resin passing away (34), described resin isolation discharger be able to be separated to the molten resin along described runner sidewall described resin passing away and discharge; Described resin isolation discharger comprises body and the entrance (53) be located on this body and outlet, described outlet and entrance conducting, the core of described outlet forms service duct (51), be provided with several grooves at its radial direction of all edges of service duct and form several split channels (52), described service duct is communicated with the resin channels of described nozzle, and described split channel is communicated with described resin passing away.
2. the residual resin discharge device of hot-runner injection mold device according to claim 1, it is characterized in that: on several runners described, be respectively equipped with subsidy be separated discharger (80), this subsidy is separated discharger just can be discharged to the molten resin along described runner sidewall described resin passing away.
3. the residual resin discharge device of hot-runner injection mold device according to claim 2, it is characterized in that: described subsidy is separated discharger and is provided with the first service duct (81) and the first split tunnel (82), described first service duct be able to pass through the molten resin along described runner center flow, and described first split tunnel be able to be separated the molten resin along described runner wall flow and be discharged to the discharge of described resin passing away (34).
4. the residual resin discharge device of hot-runner injection mold device according to any one of claim 1 to 3, it is characterized in that: be provided with along its axis direction in described each nozzle and be separated passing away (25), one end of described separation passing away is connected with the resin channels (21) of described nozzle one end near its cast gate (23), and the other end is communicated with described resin passing away (34).
5. the residual resin discharge device of hot-runner injection mold device according to claim 4, it is characterized in that: in the outlet (35) of described resin passing away, be also provided with resin discharge shearing device (60), this discharge shearing device be able to control opening and the cut out of the outlet of described resin passing away.
6. the residual resin discharge device of hot-runner injection mold device according to claim 5, it is characterized in that: described discharge shearing device comprises cutting needle (61) and cutting needle drive unit (62), described cutting needle drive unit just can drive described cutting needle back and forth movement and control cut out and the opening of the outlet of described resin passing away.
7. the residual resin discharge device of hot-runner injection mold device according to claim 4, is characterized in that: connect an excavationg pump (70) respectively at the port of export of described resin passing away.
8. the residual resin discharge device of hot-runner injection mold device according to claim 4, it is characterized in that: described each resin isolation discharger is respectively equipped with a resin passing away, described each resin passing away is connected to common apocenosis passage (63), this apocenosis passage is provided with resin and discharges shearing device and excavationg pump.
9. the residual resin discharge device of hot-runner injection mold device according to claim 4, it is characterized in that: described resin isolation discharger is combined by two or more resin isolation discharger, and the described resin isolation discharger often organized to be connected on same resin passing away and finally to form a total resin passing away, this total resin passing away is provided with and discharges shearing device and excavationg pump; Described resin isolation discharger and described total resin channels are coaxially arranged; Another being provided with on described flow distribution plate heats wire rod (33), and this heating wire rod just can heat the molten resin in the runner of described flow distribution plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110123318.5A CN102773973B (en) | 2011-05-13 | 2011-05-13 | The residual resin discharge device of hot-runner injection mold device |
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| CN201110123318.5A CN102773973B (en) | 2011-05-13 | 2011-05-13 | The residual resin discharge device of hot-runner injection mold device |
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| CN102773973B true CN102773973B (en) | 2015-08-19 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103386741A (en) * | 2012-05-08 | 2013-11-13 | 昆山夏福特五金电子科技有限公司 | Novel hot runner mould |
| CN104943065B (en) * | 2015-06-09 | 2017-07-28 | 广东柳道热流道系统有限公司 | It is a kind of to improve the technical method of mould colour changing cleaning efficiency |
| CN110861270A (en) * | 2019-10-25 | 2020-03-06 | 苏州精匠机电有限公司 | Integral hoisting oil cylinder hot runner system |
| CN115071041B (en) * | 2022-08-22 | 2022-11-25 | 江苏赛尔橡胶股份有限公司 | Forming machine is used in processing of rubber fender |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06134791A (en) * | 1992-10-23 | 1994-05-17 | Sumitomo Rubber Ind Ltd | Reactive injection molding device |
| JPH08332652A (en) * | 1995-06-06 | 1996-12-17 | Sekisui Chem Co Ltd | Injection molding machine and production of injection-molding product |
| US5955121A (en) * | 1996-12-18 | 1999-09-21 | Mold-Masters Limited | Injection molding apparatus with insert secured through the manifold to a nozzle |
| CN101314253A (en) * | 2008-05-06 | 2008-12-03 | 许南旭 | Heat flow path apparatus for injection molding |
| CN201483722U (en) * | 2009-12-11 | 2010-05-26 | 恒毅模具注塑(深圳)有限公司 | Hot runner injection mould used for injection molding of battery jar or cover |
| CN202097898U (en) * | 2011-05-13 | 2012-01-04 | 哈希斯热流道科技（苏州）有限公司 | Residual resin discharge device of hot-runner injection mold device |
-
2011
- 2011-05-13 CN CN201110123318.5A patent/CN102773973B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06134791A (en) * | 1992-10-23 | 1994-05-17 | Sumitomo Rubber Ind Ltd | Reactive injection molding device |
| JPH08332652A (en) * | 1995-06-06 | 1996-12-17 | Sekisui Chem Co Ltd | Injection molding machine and production of injection-molding product |
| US5955121A (en) * | 1996-12-18 | 1999-09-21 | Mold-Masters Limited | Injection molding apparatus with insert secured through the manifold to a nozzle |
| CN101314253A (en) * | 2008-05-06 | 2008-12-03 | 许南旭 | Heat flow path apparatus for injection molding |
| CN201483722U (en) * | 2009-12-11 | 2010-05-26 | 恒毅模具注塑(深圳)有限公司 | Hot runner injection mould used for injection molding of battery jar or cover |
| CN202097898U (en) * | 2011-05-13 | 2012-01-04 | 哈希斯热流道科技（苏州）有限公司 | Residual resin discharge device of hot-runner injection mold device |
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