CN106863711A - A kind of hot runner molding mould - Google Patents
A kind of hot runner molding mould Download PDFInfo
- Publication number
- CN106863711A CN106863711A CN201710255908.0A CN201710255908A CN106863711A CN 106863711 A CN106863711 A CN 106863711A CN 201710255908 A CN201710255908 A CN 201710255908A CN 106863711 A CN106863711 A CN 106863711A
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- China
- Prior art keywords
- shower nozzle
- temperature
- heating coil
- water
- hot runner
- 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.)
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- 238000000465 moulding Methods 0.000 title claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 54
- 238000002347 injection Methods 0.000 claims abstract description 41
- 239000007924 injection Substances 0.000 claims abstract description 41
- 239000007788 liquid Substances 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 47
- 210000003128 head Anatomy 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000523 sample Substances 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 10
- 210000000214 mouth Anatomy 0.000 claims description 9
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 239000006004 Quartz sand Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000001746 injection moulding Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 9
- 239000011810 insulating material Substances 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 239000000498 cooling water Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012778 molding material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- DYAHQFWOVKZOOW-UHFFFAOYSA-N Sarin Chemical compound CC(C)OP(C)(F)=O DYAHQFWOVKZOOW-UHFFFAOYSA-N 0.000 description 2
- 239000002826 coolant Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C45/28—Closure devices therefor
-
- 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
- B29C45/2737—Heating or cooling means therefor
-
- 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
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/78—Measuring, controlling or regulating of temperature
-
- 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
- B29C45/2737—Heating or cooling means therefor
- B29C2045/2743—Electrical heating element constructions
-
- 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
- B29C2045/2766—Heat insulation between nozzle and mould
-
- 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
- B29C2945/00—Indexing scheme relating to injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould
- B29C2945/76—Measuring, controlling or regulating
- B29C2945/76494—Controlled parameter
- B29C2945/76531—Temperature
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of hot runner molding mould, a kind of hot runner molding mould includes dynamic model, quiet mould and shower nozzle, the shower nozzle is on quiet mould, heating coil A, temperature control line and needle are provided with the shower nozzle, the heating coil A is wound in outside shower nozzle, the temperature control head A for detecting nozzle temperature is provided with the temperature control line, the temperature control head A detections nozzle temperature simultaneously feeds back the temperature that heating coil A is adjusted in heating coil A, and the needle is located in the shower nozzle hot flow path of shower nozzle and can be in the injection hole open and close that control shower nozzle is moved back and forth on shower nozzle hot flow path.Its ensure injection pressure on the premise of, with the effect for preventing feed liquid from being flowed out from injection hole.
Description
Technical field
The present invention relates to mould for plastics field, more particularly to a kind of hot runner molding mould.
Background technology
Existing plastic mould has into adhesive dispenser, and adhesive dispenser temperature is not high enough for entering of having, and it causes product in shaping
Afterwards, it is necessary to the waste product raw material that have condensed that will be residued in runner take out, waste of materials, additionally, it is this enter adhesive dispenser stream
Road is more long, causes injection pressure to lose big, and molding cycle is long, therefore the efficiency of production is low.The plastics being such as molded using sarin material
Part, due to sarin material high cost, enters adhesive dispenser runner injection mold more long, and not only efficiency is low, high cost, and because injection is pressed
Power loss is larger, causes product glue thickness ununiformity, difficult forming and shrinks serious.
In this regard, Publication No. 104908244A, the applying date is that the Chinese patent on May 26 in 2015 discloses a kind of hot-fluid
Road shaping mould, including flow distribution plate and hot flow path, hot flow path is logical to be fixedly mounted on flow distribution plate, and the porch of hot flow path is installed with electricity
Heating rod, the exit of hot flow path is provided with a hot runner gate, and fixation is arranged a coolant jacket, hot flow path on the outlet outer wall of hot flow path
The front end of mouth positions a heat shield, and pipeline is provided with inside coolant jacket, and cooling water is passed through in pipeline.It utilizes electrically heated rod to hot-fluid
The porch heating in road, ensure that plastic liquid flows into runner by pressure rise after heating rod heating so that injection pressure
Greatly, it is ensured that formed product cycle is short.
But, most of plastics all can be in after the heating mobility slurry very high, in the heat effect of electrically heated rod
Under, although the problems such as solving the pressure loss, but the thing followed is that, when being molded after completing injection, still suffering from feed liquid can be from
Flowed out in injection hole, the product quality to subsequent production is impacted, and can be according to the waste into material.
The content of the invention
It is an object of the invention to provide a kind of hot runner molding mould, its on the premise of injection pressure is ensured, with preventing
The effect that feed liquid flows out from injection hole.
Above-mentioned technical purpose of the invention technical scheme is that：
A kind of hot runner molding mould, including dynamic model, quiet mould and shower nozzle, the shower nozzle are provided with quiet mould on the shower nozzle
Heating coil A, temperature control line and needle, the heating coil A are wound in outside shower nozzle, are provided with the temperature control line for detecting spray
The temperature control head A of head temperature, the temperature control head A detection nozzle temperatures simultaneously feed back the temperature that heating coil A is adjusted in heating coil A,
The needle located at shower nozzle shower nozzle hot flow path in and can on shower nozzle hot flow path move back and forth control shower nozzle injection hole open,
Close.
It is arranged such, by the basis of original shower nozzle hot flow path, a needle being set in shower nozzle hot flow path to control
Injection hole open and close, can not only play and close injection hole in die sinking, prevent feed liquid from being flowed out from injection hole, eliminate to follow-up
The product quality of production impact and waste of material problem, and in the presence of needle, can just be blocked before die sinking
Connection between injection hole and moulding so that pouring on moulding is a little more attractive in appearance, without by follow-up processing.Together
When, temperature control is carried out to the feed liquid in shower nozzle by the setting of temperature control head A, it is to avoid feed temperature is too high or too low, both can guarantee that
Injection pressure, can reduce that injection temperature is too high to be caused and defect caused by feed liquid excessive temperature differentials in injection molding cavity again, such as local to contract
Water, stress trace etc..
More preferably：The needle is controlled by a pneumatic control system, between the pneumatic control system and shower nozzle
Cooling chamber is provided with, sealing ring is provided with the cooling chamber.
It is arranged such, the activity by pneumatic control system to needle is controlled, so as to realize opening and closing for injection hole；
And the setting in the chamber that lowers the temperature can play the contact area for reducing quiet mould and needle first, what is produced in reduction needle active procedure rubs
Wipe, secondly, the setting of cooling chamber can reduce on quiet mould heat transfer to the root of needle, so as to reduce the temperature of needle root
Degree, reduces the thermal expansion of needle, and then reduces frictional heat of the needle with quiet intermode and deterioration, improves the use longevity of needle
Life.
More preferably：The shower nozzle is provided with slot near the position of injection hole, and the temperature control head A is inserted in slot
It is interior.
It is arranged such, temperature control head A is plugged in slot, the side wall to shower nozzle hot flow path is detected so that detected
Temperature be more close to temperature in shower nozzle hot flow path, measure more accurate.
More preferably：Hollow cavity is arranged with outside the shower nozzle, the hollow cavity is heat-insulated in being formed with outside shower nozzle
Cavity.
It is arranged such, hollow cavity forms insulated cavity in the outside of heating coil A, and heater wire is reduced by insulated cavity
The thermal loss produced on circle A so that the heating effect of heating coil A more preferably, to the heating effect of shower nozzle hot flow path more preferably, and
Heat transfer can be reduced to quiet mould, the influence to parts such as needles is reduced.
More preferably：Keeper is provided between the hollow cavity and shower nozzle, the insulated cavity is located at hollow cavity
Between body and keeper.
, be pressed on heating coil A on shower nozzle first by the setting of keeper, keeps good heat transfer.
More preferably：The head of the shower nozzle is provided with the heat-insulated head that polytetrafluoroethylene (PTFE) is made, the injection
Mouth is on heat-insulated head.
It is arranged such, the temperature at injection hole is reduced by heat-insulated head, further reduces in injection temperature and injection molding cavity
Temperature difference mistake between feed liquid, accomplishes to reduce the appearance for even eliminating the defects such as local shrink, stress trace.
More preferably：Multiple shower nozzles are provided with the quiet mould, are provided with the quiet mould along quiet mould hot flow path side
Along one circle set be embedded groove, described being embedded on groove is provided with the second thermal insulation ceramicses piece, the second thermal insulation ceramicses piece be embedded
Quartz sand is filled between groove inwall；Described being embedded in groove is embedded with heater strip and temperature probe, and the temperature probe detects quiet mould
On type of thermal communication at temperature and feed back heater strip adjust heater strip temperature.
It is arranged such, the quiet mould hot-fluid channel temp in quiet mould is ensured by heater strip and temperature probe, is ensured with this
The temperature of feed liquid in quiet mould hot flow path, it is ensured that the temperature of feed liquid is maintained at reasonable model with feed temperature in shower nozzle in quiet mould hot flow path
In enclosing, it is to avoid needing high heat on shower nozzle on heating coil A could heat feed liquid in shower nozzle, while being also avoided that
The pressure loss in quiet mould hot flow path；And at the setting purpose of quartz sand and the second thermal insulation ceramicses piece and shower nozzle keeper and every
The purpose of hot cavity is identical.
More preferably：Feed liquid on the quiet mould is described into heating coil B and temperature control head B is provided with passage
Feed liquid is connected into passage with quiet mould hot flow path, and the heating coil B is wound in feed liquid and enters outside passage, the temperature control head B inspections
Feed liquid is surveyed into the temperature at passage and the temperature that heating coil B is adjusted in heating coil B is fed back.
It is arranged such, the logical quiet mould runner heating of effect, its purpose is all to reduce the pressure loss and reduction heating coil A
Heating-up temperature.
More preferably：The first water-cooling channel A and the first water-cooling channel B, the heat-insulated head are provided with the quiet mould
It is inserted in the first water-cooling channel A, and the first water-cooling channel A is not turned on the junction of heat-insulated head and shower nozzle；Described
One water-cooling channel B is around pouring outside oral cavity on quiet mould.
It is arranged such, heat-insulated head is lowered the temperature by the first water-cooling channel A, the first water-cooling channel B is intraoral to pouring
Injection molding material is lowered the temperature, and the feed liquid temperature difference at two when being molded is reduced, while can be prevented effectively from cooling water again entering by connecting sewing
Enter in shower nozzle hot flow path.
More preferably：The second water-cooling channel is provided with the dynamic model, second water-cooling channel includes that water inlet is logical
Road, exhalant canal, water inlet pipe and outlet pipe, the intake tunnel and exhalant canal are vertically arranged and in friendship in the core on dynamic model
Converge, the intake tunnel is inserted in exhalant canal, the intake tunnel is connected with water inlet pipe, the exhalant canal and outlet pipe
Connection.
It is arranged such, the cooling-down effect to injection molding material is further improved by the second water-cooling channel, makes it with the first water
The combination of cold passage A and the first water-cooling channel B so that injection molding material can solidify faster, flaw in reduction forming process
Produce, preferably form perfect product.
In sum, the invention has the advantages that：
1st, injection hole open and close is controlled by needle, can not only prevents feed liquid from being flowed out from injection hole, eliminated to subsequent production
Product quality impact and waste of material problem, and can just be blocked between injection hole and moulding before die sinking
Connection so that pouring on moulding is a little more attractive in appearance, without by follow-up processing；
2nd, by temperature control head A, temperature control head B, temperature probe setting come to entering mould in meditation after until shower nozzle in feed liquid hold
Continuous temperature control, it is to avoid feed temperature is too high or too low and the excessive temperature differentials in course of conveying, not only ensure that injection pressure, reduces
Injection temperature is too high cause with defect caused by excessive temperature differentials in feed liquid excessive temperature differentials in injection molding cavity and quiet mould transmitting procedure,
Such as local shrink, stress trace；
3rd, by the setting of the first water-cooling channel A, the first water-cooling channel B and the second water-cooling channel, can cause that feed liquid is rapid-result soon
Type, and the temperature difference of injection hole and feed liquid in injection molding cavity is reduced, further reduce the generation of defect.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the front view of quiet mould in the present embodiment；
Fig. 3 is the partial cutaway side figure of the quiet mould of the present embodiment；
Fig. 4 is the structural representation of shower nozzle in the present embodiment；
Fig. 5 is the structural representation of the first water-cooling channel A in the present embodiment；
Fig. 6 is the sectional view of heating coil A in the present embodiment.
In figure, 1, quiet mould；11st, oral cavity is poured；12nd, the first water-cooling channel A；13rd, the first water-cooling channel B；14th, feed liquid enters logical
Road；15th, quiet mould hot flow path；16th, it is embedded groove；2nd, dynamic model；21st, core；22nd, intake tunnel；23rd, exhalant canal；24th, water inlet pipe；
25th, outlet pipe；3rd, shower nozzle；31st, hollow cavity；32nd, keeper；33rd, insulated cavity；34th, shower nozzle hot flow path；4th, air pressure control system
System；51st, heating coil A；52nd, heater strip；53rd, heating coil B；61st, temperature control head A；62nd, temperature probe；63rd, temperature control head B；7th, valve
Pin；71st, lower the temperature chamber；8th, heat-insulated head；81st, heat-insulation chamber.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected by Patent Law in the protection domain of invention.
A kind of hot runner molding mould, as depicted in figs. 1 and 2, dynamic model 2, quiet mould 1 and shower nozzle 3, shower nozzle 3 are set to four,
It is fixedly installed on quiet mould 1, four cores 21 is provided with dynamic model 2, correspondence position is provided with four and pours oral cavity 11 on quiet mould 1,
Core 21 and injection molding cavity is formed between pouring oral cavity 11, the injection hole of shower nozzle 3 is connected with injection molding cavity and carried out after dynamic model 2 and the matched moulds of quiet mould 1
Charging.
Reference picture 3 and Fig. 4, are provided with feed liquid into passage 14 and the hot flow path of quiet mould 1, the hot flow path of quiet mould 1 and four on quiet mould 1
Shower nozzle hot flow path 34 in individual shower nozzle 3 is connected, and feed liquid enters after passage 14 is shunted into the hot flow path of quiet mould 1 successively from feed liquid
Enter into four shower nozzle hot flow paths 34.
As shown in Fig. 2 feed liquid is into being provided with heating coil B53 and temperature control head B63 on passage 14, heating coil B53 with
The mode of spiral is wound in feed liquid into outside passage 14, and temperature control head B63 is inserted in feed liquid on the side wall of passage 14, but not with
Shower nozzle hot flow path 34 is connected.Reference picture 3, is provided with along the circle of 1 hot flow path edge of quiet mould one and is embedded groove 16, is embedded on groove 16 and is provided with
Second thermal insulation ceramicses piece, the second thermal insulation ceramicses piece and between being embedded the side wall of groove 16 filled with quartz sand, be provided with being embedded in groove 16
Heater strip 52 and temperature probe 62, the insertion of temperature probe 62 are embedded groove 16 on the side wall of the hot flow path of quiet mould 1.As shown in figure 4,
Heating coil A51 and temperature control line are provided with shower nozzle 3, wherein, heating coil A51 is wound in outside shower nozzle 3 in a helical pattern,
Shower nozzle 3 is provided with slot near the position of injection hole, and temperature control head A61 is inserted in slot.Heating coil B53, temperature control head B63,
Heater strip 52, temperature probe 62, heating coil A51 and temperature control head A61 form temperature control system on the controller by connection
System, wherein, temperature adjustment, temperature control head B63 are carried out in the temperature feedback that temperature control head A61 will be detected to controller to heating coil A51
The temperature feedback that will be detected is to temperature adjustment is carried out to heating coil B53 in controller, and the temperature that temperature probe 62 will be detected is anti-
Be fed in controller carries out temperature adjustment to heater strip 52.
Wherein, heating coil A51 and heating coil B53 are spring heating collar, spring heating collar and heater strip 52
Structure it is identical, as shown in figure 5, its include heater strip 52, insulating materials and metal outsourcing material, be provided with insulating materials
Two perforation, heater strip 52 enters from insulating materials with a perforation of one end to be worn after insulating materials with another perforation of one end
Return, metal outsourcing material is coated on insulating materials profile heater wire into strips（That is heater strip 52）, strip heater wire spiral winding
Be formed as spring heating collar into spring-like afterwards, wherein, insulating materials is mica soft board.
Reference picture 4, is provided with pneumatic control system 4 on quiet mould 1, pneumatic control system 4 is a hydraulic cylinder, the work of hydraulic cylinder
A needle 7 is fixedly installed on stopper rod, needle 7 is inserted into shower nozzle hot flow path 34 through quiet mould 1, by the action of hydraulic cylinder come
Control needle 7 does piston movement, real by piston movement so that needle 7 is retracted into shower nozzle 3 or ejects the injection hole of shower nozzle 3
Now to the open and close of injection hole.Wherein, cooling chamber 71 is provided between pneumatic control system 4 and shower nozzle 3, the cooling diameter of chamber 71 is big
In the diameter of needle 7, cooling chamber 71 is connected with the installation cavity of hydraulic cylinder, and sealing is fixed with one end of the cooling stress hydraulic cylinder of chamber 71
Circle, needle 7 enters shower nozzle hot flow path 34 through sealing ring.
Reference picture 4, is arranged with hollow cavity 31 outside shower nozzle 3, and keeper is provided between hollow cavity 31 and shower nozzle 3
32, keeper 32 is abutted with the heating coil A51 being wound in outside shower nozzle 3 and keeps heating coil A51 to be abutted with shower nozzle, keeper
32 can be made of materials such as metal or ceramics, in the present embodiment using ceramic material, can further improve heat-insulated effect
Really.Insulated cavity 33 is formed between hollow cavity 31 and keeper 32 to intercept the heat on heating coil A51 with quiet mould 1
Between heat transfer.
The head threads of shower nozzle 3 are connected with heat-insulated first 8 be made of polytetrafluoroethylene (PTFE), and injection hole is located on heat-insulated first 8,
Heat-insulation chamber 81 is internally provided with heat-insulated first 8, the cladding shower nozzle of heat-insulation chamber 81 hot flow path 34 1 encloses and set.
Reference picture 1, is provided with the first water-cooling channel A12 and the first water-cooling channel B13 on quiet mould 1, is provided with dynamic model 2
Second water-cooling channel, the first water-cooling channel A12, the first water-cooling channel B13 and the second water-cooling channel composition water-cooling system are to injection
Part is cooled down.Wherein, the first water-cooling channel A12 through quiet mould 1 both sides, reference picture 6, heat-insulated first 8 are inserted in the first water-cooled
In passage A12, and the position of the first water-cooling channel A12 of insertion is located between heat-insulated first 8 head and connecting portion so that the first water
Junctions of the cold passage A12 not with heat-insulated first 8 and shower nozzle 3 turns on.First water-cooling channel B13 also extends through the both sides of quiet mould 1, first
Water-cooling channel B13 is formed around the structure for pouring the outer circle in oral cavity 11 pouring oral cavity 11 and go out shunting.
Second water-cooling channel includes intake tunnel 22, exhalant canal 23, water inlet pipe 24 and outlet pipe 25, the He of intake tunnel 22
Exhalant canal 23 is vertically arranged and is crossed in the core 21 on dynamic model 2, and intake tunnel 22 is inserted in exhalant canal 23, water inlet
Through the bottom connection of the side wall, other end intake tunnel 22 of dynamic model 2, dynamic model 2 is run through in one end of outlet pipe 25 for one end of pipe 24
Side wall, the other end connects with the bottom of exhalant canal 23 so that cooling water can pass into intake tunnel from water inlet pipe 24
After 22, in intersection is flowed into exhalant canal 23, circulation is being formed by the outflow of outlet pipe 25.
After feed liquid enters the entrance of passage 14 from feed liquid, enter the hot flow path of mould in meditation 1, four strands be split into the hot flow path of quiet mould 1,
Respectively enter in the shower nozzle hot flow path 34 in four shower nozzles 3, passage 14, the hot flow path of quiet mould 1 and shower nozzle hot flow path are entered in feed liquid
Heating coil A51, heater strip 52 and heating coil B53 are passed sequentially through in 34 to be incubated, and are reduced and are entered passage 14, quiet in feed liquid
The hot flow path of mould 1 and shower nozzle hot flow path 34 cause the excessive pressure loss.Feed liquid in shower nozzle hot flow path 34 is from heat-insulated first 8 injection
Entered into injection molding cavity in mouthful, after injection is completed, pneumatic control system 4 starts control needle 7 and seals injection hole, herein together
When, start water-cooling system, to the first water-cooling channel A12, the first water-cooling channel B13 and water flowing in the second water-cooling channel, to note
Moulding in modeling chamber is quickly cooled down, and finished product is obtained after finally molding.
Claims (10)
1. a kind of hot runner molding mould, including dynamic model (2), quiet mould (1) and shower nozzle (3), the shower nozzle (3) on quiet mould (1),
It is characterized in that：Heating coil A (51), temperature control line and needle (7) are provided with the shower nozzle (3), the heating coil A (51) twines
It is around in shower nozzle (3) outward, the temperature control head A (61) for detecting shower nozzle (3) temperature, the temperature control head A is provided with the temperature control line
(61) detect shower nozzle (3) temperature and feed back the temperature that heating coil A (51) is adjusted in heating coil A (51), the needle (7) sets
In the shower nozzle hot flow path of shower nozzle (3)（34）It is interior and can be in shower nozzle hot flow path（34）The upper injection hole for moving back and forth control shower nozzle (3)
Open and close.
2. a kind of hot runner molding mould according to claim 1, it is characterized in that：The needle (7) is controlled by an air pressure control
System (4) processed, is provided with cooling chamber (71) between the pneumatic control system (4) and shower nozzle (3), set on the cooling chamber (71)
It is equipped with sealing ring.
3. a kind of hot runner molding mould according to claim 1, it is characterized in that：The shower nozzle (3) is near the position of injection hole
Install and be equipped with slot, the temperature control head A (61) is inserted in slot.
4. a kind of hot runner molding mould according to claim 1 or 3, it is characterized in that：It is arranged with outside the shower nozzle (3) hollow
Cavity (31), the hollow cavity (31) is formed with insulated cavity (33) outward in shower nozzle (3).
5. a kind of hot runner molding mould according to claim 4, it is characterized in that：The hollow cavity (31) and shower nozzle (3)
Between be provided with keeper (32), the insulated cavity (33) is between hollow cavity (31) and keeper (32).
6. a kind of hot runner molding mould according to claim 1, it is characterized in that：The head of the shower nozzle (3) is provided with to be adopted
The heat-insulated head (8) being made of polytetrafluoroethylene (PTFE), the injection hole is on heat-insulated head (8).
7. a kind of hot runner molding mould according to claim 1, it is characterized in that：Multiple sprays are provided with the quiet mould (1)
Head (3), is provided with along quiet mould hot flow path on the quiet mould (1)（15）What the circle of edge one was set is embedded groove (16), described to be embedded groove
(16) the second thermal insulation ceramicses piece is installed on, the second thermal insulation ceramicses piece be embedded between groove (16) inwall filled with quartz sand；
Described being embedded is embedded with heater strip (52) and temperature probe (62) in groove (16), the temperature probe (62) is detected on quiet mould (1)
Type of thermal communication at temperature and feed back heater strip (52) regulation heater strip (52) temperature.
8. a kind of hot runner molding mould according to claim 7, it is characterized in that：Feed liquid on the quiet mould (1) enters logical
It is provided with heating coil B (53) and temperature control head B (63) on road (14), the edge that the feed liquid enters on passage (14) and quiet mould (1)
Quiet mould hot flow path（15）Connection, the heating coil B (53) is wound in feed liquid and enters passage (14) outward, the temperature control head B (63)
Detection feed liquid enters the temperature at passage (14) place and feeds back the temperature that heating coil B (53) is adjusted in heating coil B (53).
9. a kind of hot runner molding mould according to claim 8, it is characterized in that：The first water is provided with the quiet mould (1)
Cold passage A (12) and the first water-cooling channel B (13), the heat-insulated head (8) is inserted in the first water-cooling channel A (12), and described
First water-cooling channel A (12) is not turned on the junction of heat-insulated head (8) and shower nozzle (3)；The first water-cooling channel B (13) around
Oral cavity (11) is poured on Yu Jingmo (1) outward.
10. a kind of hot runner molding mould according to claim 9, it is characterized in that：The second water is provided with the dynamic model (2)
Cold passage, second water-cooling channel includes intake tunnel (22), exhalant canal (23), water inlet pipe (24) and outlet pipe (25),
The intake tunnel (22) and exhalant canal (23) are vertically arranged and are crossed in the core (21) on dynamic model (2), the water inlet
Passage (22) is inserted in exhalant canal (23), and the intake tunnel (22) is connected with water inlet pipe (24), the exhalant canal
(23) connected with outlet pipe (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255908.0A CN106863711A (en) | 2017-04-18 | 2017-04-18 | A kind of hot runner molding mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710255908.0A CN106863711A (en) | 2017-04-18 | 2017-04-18 | A kind of hot runner molding mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106863711A true CN106863711A (en) | 2017-06-20 |
Family
ID=59163372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710255908.0A Pending CN106863711A (en) | 2017-04-18 | 2017-04-18 | A kind of hot runner molding mould |
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| Country | Link |
|---|---|
| CN (1) | CN106863711A (en) |
Cited By (2)
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| CN109228176A (en) * | 2018-10-31 | 2019-01-18 | 晋江嘉豪模具有限公司 | A kind of degradable PLA injection mold |
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Application publication date: 20170620 |