CN110103389A - A kind of controllability high-precision mold injection molding machine - Google Patents
A kind of controllability high-precision mold injection molding machine Download PDFInfo
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- CN110103389A CN110103389A CN201910527232.5A CN201910527232A CN110103389A CN 110103389 A CN110103389 A CN 110103389A CN 201910527232 A CN201910527232 A CN 201910527232A CN 110103389 A CN110103389 A CN 110103389A
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- dynamic model
- cover half
- injection molding
- injection
- injection head
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 62
- 238000002347 injection Methods 0.000 claims abstract description 83
- 239000007924 injection Substances 0.000 claims abstract description 83
- 238000009415 formwork Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 4
- 230000000750 progressive effect Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims 1
- 239000004033 plastic Substances 0.000 description 14
- 229920003023 plastic Polymers 0.000 description 14
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic 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
- B29C45/03—Injection moulding apparatus
-
- 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
-
- 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
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
-
- 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
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
-
- 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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
- B29C2045/2709—Gates with a plurality of mould cavity inlets in close proximity
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of controllability high-precision mold injection molding machines; including base, cover half, dynamic model and injection moulding apparatus; the cover half and the injection moulding apparatus are installed to the base; the dynamic model is installed to the injection moulding apparatus; the injection moulding apparatus includes feeding machine, sliding bottom and driving machine; the sliding bottom is slidably connected with the base; the feeding machine is installed to the sliding bottom; the dynamic model is installed to the discharge end of the feeding machine; the driving machine drives the sliding bottom, and the dynamic model is made to slide in or out the cover half；The dynamic model includes formwork and several injection heads, several slideways being parallel to each other are provided on the formwork, injection head is slidably connected with slideway, and one end of the injection head is connected to the discharge end of the feeding machine, the other end can stretch out the formwork, and protrude into the hole on the cover half.Injection molding machine of the invention is able to produce the product that large scaled complex product, especially surface are provided with elongated member.
Description
Technical field
The present invention relates to injection molding arts, more particularly, to a kind of controllability high-precision mold injection molding machine.
Background technique
Injection molding machine also known as injection (mo(u)lding) machine or injector.It is that thermoplastic or thermosetting plastics are utilized plastic shaping
The main molding equipment of plastic products of various shapes is made in mold.It is divided into vertical, horizontal, all electric.It is molded function heating modeling
Material applies high pressure to molten plastic, it is made to project and be full of mold cavity.
Existing injection molding machine working principle is simple, be suitble to simple shape, the product of small volume, but for volume compared with
Greatly, and the product of surface texture complexity, farther out due to the range of injecting head, it will lead to the premature cooling and solidifying of molten plastic, from
And keeping molding effect poor, rejection rate is higher；And many surfaces are provided with the large product of elongated projecting member, due to
Be vented it is unsmooth easily cause precision poor, therefore usually elongated projecting member is installed again in the later period, not only technique is more complicated, and
And the stability of product is poor compared to the product of the formula of integrated molding.
Therefore, it is necessary to a kind of high-precision mold injection molding machines of novel controllability, to solve the above problems.
Summary of the invention
It is an object of the present invention to provide a kind of new solutions of controllability high-precision mold injection molding machine.
According to the first aspect of the invention, provide a kind of controllability high-precision mold injection molding machine, including base, cover half,
Dynamic model and injection moulding apparatus, the cover half and the injection moulding apparatus are installed to the base, and the dynamic model is installed to the note
On molding apparatus, the injection moulding apparatus includes feeding machine, sliding bottom and driving machine, and the sliding bottom and the base slide
Connection, the feeding machine are installed to the sliding bottom, and the dynamic model is installed to the discharge end of the feeding machine, the driving
Machine drives the sliding bottom, and the dynamic model is made to slide in or out the cover half；If the dynamic model includes formwork and dry injection
Head is provided with several slideways being parallel to each other on the formwork, and the injection head has certain length, slides and connects with the slideway
It connects, one end of the injection head is connected to the discharge end of the feeding machine, and the other end can stretch out the formwork, and protrudes into described
In hole on cover half.
Preferably, one end of the connection feeding machine discharge end of the injection head is fixed with piston seal, the work
The periphery of plug sealing ring is arranged with wear ring；The discharge end of the feeding machine is connected to the slideway.
Preferably, the slideway on one end inner wall that the injection head stretches out is provided with boss, the boss with
Spring is arranged on the injection head between the piston seal；The elastic force of the spring is less than the feeding machine discharge end
Pressure；The spring pushes the injection head to retract the formwork always.
Preferably, one end for protruding into the cover half of the injection head is inverted truncated conical shape, and the injection head goes out
Material mouth is located on the bottom surface of the rotary table；The exit of the slideway is provided with the rotary table with the injection head matching ends
Shape receiving hole.
Preferably, the discharge port of the injection head is recessed inwardly to form counterbore, and the counter bore hole diameters are greater than the discharge port
Diameter；Blocking is provided on the counterbore, one end of the blocking is fixed to the counterbore edge, and the blocking diameter is greater than institute
It states discharge port and is less than the counterbore；The height of the blocking is less than the depth of the counterbore.
Preferably, gas hole is provided in the chute wall, the gas hole, which is located at when the injection head is fully retracted, to be set
There is the outside of one end of piston seal, is provided with check valve on the gas hole.
Preferably, it is provided with heater strip in the cover half and the dynamic model, the heater strip in the dynamic model surrounds institute
State slideway setting.
Preferably, the feeding machine includes charging bucket, screw conveyor and cartridge heater, and the cartridge heater is sheathed on described
The outside of screw conveyor.
Preferably, the cover half is vertically arranged, and the corresponding injection head vertically moves；The cover half side offers confession
The progressive die mouth of the dynamic model disengaging, the cover half bottom offers material taking mouth.
Preferably, the dynamic model is connect with the feeding machine vertical sliding motion, and the dynamic model bottom is provided with load lifting cylinder, described
Load lifting cylinder bottom is fixed on the sliding bottom.
According to one embodiment of the disclosure, high-precision mold injection molding machine of the invention breaches the injection molding of conventional injection molding machine
Mode, is capable of providing the injection molding of bigger more complicated product, and the mold in pore hole particularly with some have deeply utilizes this
Injection molding machine, which carries out injection molding, has higher product qualified rate.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
It is combined in the description and the attached drawing for constituting part of specification shows the embodiment of the present invention, and even
With its explanation together principle for explaining the present invention.
Fig. 1 is the structural schematic diagram of the controllability high-precision mold injection molding machine of the embodiment of the present invention one.
Structural schematic diagram when Fig. 2 is the controllability high-precision mold injection molding machine injection molding of the embodiment of the present invention one.
Fig. 3 is the structural schematic diagram in Fig. 2 at A.
Fig. 4 is the structural representation of the slideway and injection head of the controllability high-precision mold injection molding machine of the embodiment of the present invention one
Figure.
Fig. 5 is the structural schematic diagram in Fig. 4 at B.
Fig. 6 is the structural representation of controllability the high-precision mold injection molding machine middle slideway and injection head of the embodiment of the present invention two
Figure.
Fig. 7 is the structural schematic diagram of the controllability high-precision mold injection molding machine of the embodiment of the present invention three.
Structural schematic diagram when Fig. 8 is the controllability high-precision mold injection molding machine injection molding of the embodiment of the present invention three.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Embodiment one
As shown in Figures 1 to 5, the controllability high-precision mold injection molding machine in the present embodiment, including base 1100, cover half
1200, dynamic model 1300 and injection moulding apparatus 1400, the cover half 1200 are installed with the injection moulding apparatus 1400 to the base
On 1100, in the installation to the injection moulding apparatus 1400 of dynamic model 1300, the injection moulding apparatus 1400 includes feeding machine 1410, slides
Dynamic pedestal 1420 and driving machine 1430, the sliding bottom 1420 are slidably connected with the base 1100, the feeding machine
In 1410 installations to the sliding bottom 1100, discharge end of the installation of dynamic model 1300 to the feeding machine 1410, the drive
Motivation 1430 drives the sliding bottom 1420, and the dynamic model 1300 is made to slide in or out the cover half 1200；The dynamic model
1300 include formwork 1310 and several injection heads 1320, is provided with several slideways being parallel to each other on the formwork 1310
1311, the injection head 1320 has certain length, and the injection head 1320 is slidably connected with the slideway 1311, the injection
First 1320 one end is connected to the discharge end of the feeding machine 1410, and the other end can stretch out the formwork 1310, and protrude into institute
It states in the slit on cover half 1200.Injection head 1320 is arranged on dynamic model 1300 for matrix form, the arrangement of injection head 1320
Closeer, then injection effect is better.
The connection of injection head 1320 and feeding machine 1410 in the present embodiment, is e.g. provided with channel in formwork 1310,
Or it is connected to by external high-temperature and high-presure resistent pipeline.
The middle program through this embodiment, dynamic model 1300 are inserted into cover half 1200, and injection head 1320 stretches out, and is inserted into cover half
In 1200 slit, spray distance can be reduced when injecting the plastics of molten condition, to reduce thermal losses, made it
Enter in slit in enough shorter times, prevents its solidification in course of injection；And injection head 1320 can be to injection
Guiding role is played, prevents the plastics of molten condition from just solidifying because not being extruded into slit also, to prevent product
Component missing；It after injection head 1320 is inserted into hole, can preferentially be penetrated to hole rising pouring, the gas in hole is discharged, is prevented
Bubble is retained, to improve the quality of product.
In the present embodiment or other embodiments, the one of connection 1410 discharge end of feeding machine of the injection head 1320
End is fixed with piston seal 1321, and the periphery of the piston seal 1321 is arranged with wear ring (not shown)；It is described
The discharge end of feeding machine 1410 is connected to the slideway 1311.When injection molding, the pressure of feeding machine 1410 can push piston seal
Circle 1321 so that injection head 1320 be pushed to stretch out dynamic model 1300, and gos deep into the hole of cover half 1200, is not necessarily to outside power device
The stretching of injection head 1320 can be completed.Material path is provided in dynamic model 1300, material path is connected to the discharge port of feeding machine 1410, sliding
Road 1311 is connected to material path.
In the present embodiment or other embodiments, in one end that the close injection head 1320 of the slideway 1311 stretches out
It is provided with boss 1312 on wall, is arranged on the injection head 1320 between the boss 1312 and the piston seal 1321
There is spring 1322；The elastic force of the spring 1322 is less than the pressure of 1410 discharge end of feeding machine；The spring 1322 is always
The injection head 1320 is pushed to retract the formwork 1310.Injection head 1320 can be pushed back mould after the completion of injection by spring 1322
In shell 1310；In injection, since the pressure in cover half 1200 is same or similar with the pressure of feeding machine 1410, make piston seal
The pressure for enclosing 1321 two sides is same or similar, so as to make spring 1322 that injection head 1320 be pushed slowly to retract formwork 1310,
It prevents injection head 1320 in injection process from cannot retract in time, and product is caused situations such as filling is discontented with occur.
In the present embodiment or other embodiments, one end for protruding into the cover half 1200 of the injection head 1320 is to be inverted
Truncated conical shape 1323, the discharge port of the injection head 1320 is located on the bottom surface of the rotary table；The slideway 1311 goes out
The round table-like receiving hole 1313 with the injection head matching ends is provided at mouthful.Make injection head 1320 when retracting, it can
It is flushed with the surface of dynamic model 1300, there are raised mass on the surface of 1300 side of dynamic model of product when preventing injection molding from completing.
It is set as inverted truncated conical shape, can either guarantee the planarization on 1300 surface of dynamic model, and can be improved 1320 end of injection head
Forced area, so that the plastics of molten condition is applied bigger pressure to injection head 1320, it helped to retract in dynamic model 1300.
In the present embodiment or other embodiments, the discharge port of the injection head 1320 is recessed inwardly to form counterbore, described
Counter bore hole diameters are greater than the discharge port diameter；Blocking 1324 is provided on the counterbore, one end of the blocking 1324 is fixed to
The counterbore edge, 1324 diameters of the blocking are greater than the discharge port and are less than the counterbore；The blocking 1324 covers out
Height when material mouth is less than the depth of the counterbore.When the setting can make injection head 1320 be against 1200 inner surface of cover half, block up
Plug 1324 blocks discharge port, and the injection head 1320 for not being against 1200 surface of cover half only made way in slit is first injected, will
Hole fills up, and molten plastic flows into hole from outside when preventing the injection head 1320 outside other holes from injecting, and stops air discharge；
After the completion of slit injection molding, dynamic model 1300 drives the injection head 1320 resisted mobile and leaves 1200 surface of cover half, in turn
Start to inject；
In the present embodiment or other embodiments, heater strip is provided in the cover half 1200 and the dynamic model 1300
(not shown), the heater strip in the dynamic model 1300 are arranged around the slideway 1311.Guarantee that mold has certain temperature,
Molten plastic is prevented before not being molded completion and is solidified.
In the present embodiment or other embodiments, the feeding machine 1410 includes charging bucket 1411, screw conveyor 1413
And cartridge heater 1412, the cartridge heater 1412 are sheathed on the outside of the screw conveyor 1413, during the material conveying process
By plastic melt, working efficiency is improved.Driving machine 1430 is servo motor, is threadedly coupled by screw rod with sliding bottom 1420,
It can be improved precision.
This mold injection machine further includes control device (not shown), and control device includes processor, memory, communication
Module and input/output module etc., the processor are, for example, the equipment such as PLC, single-chip microcontroller, microcomputer and mobile terminal
One or more of.
Controllability high-precision mold injection molding machine in the present embodiment is horizontal injection press, and cover half and dynamic model are lateral cloth
It sets.In use, driving machine pushes sliding bottom mobile to cover half, dynamic model slides into cover half under the drive of injecting mechanism, dynamic model
It fixes or continues deeper into the inner surface with cover half and contact；Start injecting mechanism, injection head is moved down in the pressure of molten plastic
Dynamic slideway out, and enter in the hole on cover half surface, shallower hole resists injection head, the injection head in deeper hole
Start to inject due to not offseting, until dynamic model is slowly displaced outwardly under the drive of injecting mechanism, makes to infuse after injecting full hole
It penetrates head and leaves contact with cover half one by one, start to inject, injection head is in the effect of cover half mould cavity pressure and the work of spring
Under, retract in dynamic model, and flushed with dynamic model；Dynamic model reaches specific bit in cover half die cavity and postpones stopping movement, until having injected
At.After cooling and shaping, dynamic model removes cover half, takes out product.
Embodiment two
As shown in fig. 6, the controllability high-precision mold injection molding machine in the present embodiment is compared to the technology in above-described embodiment
Scheme, the difference is that, gas hole 1330 is additionally provided on the inner wall of the slideway 1311, the gas hole 1330 is located at institute
The outside of one end equipped with piston seal 1321 when injection head 1320 is fully retracted is stated, is provided with list on the gas hole 1330
To valve 1331.After the completion of injection molding, is blown by gas hole 1330 into slideway 1311, the melting in slideway 1311 will be remained to
Plastics blowout, convenient for the prune job after the completion of injection molding.
Embodiment three
As shown in Figure 7 and Figure 8, the controllability high-precision mold injection molding machine in the present embodiment is compared to above-mentioned two embodiment
In technical solution, the difference is that, the cover half 1200 is vertically arranged, and the corresponding injection head 1320 vertically moves；
1200 side of cover half offers the progressive die mouth 1210 for the dynamic model 1300 disengaging, and 1200 bottom of cover half, which offers, to be taken
Material mouth 1220.In use, dynamic model 1300 slides into cover half 1200 from side, start feeding machine 1410, injection head 1320 is stretched out, opened
Begin to be molded.After the completion of injection molding, dynamic model 1300 removes cover half, and product is under the effect of gravity or under the action of stripper apparatus
It removes from material taking mouth 1220, is taken out convenient for product.
In the present embodiment or other embodiments, the dynamic model 1300 is connect with 1410 vertical sliding motion of feeding machine, institute
It states 1300 bottom of dynamic model and is provided with load lifting cylinder 1340,1340 bottom of load lifting cylinder is fixed on the sliding bottom 1420.It is dynamic
By Thermostable flexible hose connection, (temperature of usual molten plastic is 180 DEG C to 200 DEG C, resistance between mould 1300 and feeding machine 1410
Super heated rubber pipe is able to bear 300 DEG C or so high temperature in a short time) or 1300 side of dynamic model offer perpendicular grooves, hang down
Straight groove is connected to the material path in dynamic model 1300, and the discharge port of feeding machine 1410 is connected to perpendicular grooves, and perpendicular grooves circumferential surface is set
Be equipped with sealing strip, 1300 side of dynamic model and 1410 one end vertical sliding motion of feeding machine, thus make the discharge port of feeding machine always with it is dynamic
Material path connection in mould.
Controllability high-precision mold injection molding machine in the present embodiment is vertical injection molding machine, and fixed half and moving half is vertical cloth
It sets, dynamic model moves horizontally, and protrudes into cover half die cavity into cover half, and under the lifting of load lifting cylinder, starts injecting mechanism, injection
Head moves out slideway under the pressure of molten plastic, and enters in the hole on cover half surface, and shallower hole resists injection head, position
Injection head in deeper hole starts to inject due to not offseting, until after injecting full hole, band of the dynamic model in load lifting cylinder
It is slowly moved down under dynamic, so that injection head is left the contact with cover half one by one, start to inject, injection head is in cover half die cavity internal pressure
Under the action of the effect of power and spring, retract in dynamic model, and flushed with dynamic model；Dynamic model reaches specific bit in cover half die cavity and postpones
Stop movement, until injection is completed.After cooling and shaping, the downward out cover half die cavity of dynamic model, and horizontal removal cover half, take out product
?.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that example above merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of controllability high-precision mold injection molding machine, including base, cover half, dynamic model and injection moulding apparatus, the cover half and institute
It states injection moulding apparatus to install to the base, the dynamic model is installed to the injection moulding apparatus, which is characterized in that the injection molding dress
It sets including feeding machine, sliding bottom and driving machine, the sliding bottom is slidably connected with the base, the feeding machine installation
On to the sliding bottom, the dynamic model is installed to the discharge end of the feeding machine, and the driving machine drives the sliding bottom,
The dynamic model is set to slide in or out the cover half；The dynamic model includes formwork and several injection heads, is provided on the formwork
Several slideways being parallel to each other, the injection head have certain length, are slidably connected with the slideway, one end of the injection head
It is connected to the discharge end of the feeding machine, the other end can stretch out the formwork, and protrude into the hole on the cover half.
2. controllability high-precision mold injection molding machine according to claim 1, which is characterized in that the connection institute of the injection head
The one end for stating feeding machine discharge end is fixed with piston seal, and the periphery of the piston seal is arranged with wear ring；The confession
The discharge end of material machine is connected to the slideway.
3. controllability high-precision mold injection molding machine according to claim 2, which is characterized in that the slideway close to described
It is provided with boss on one end inner wall that injection head stretches out, is covered on the injection head between the boss and the piston seal
Equipped with spring；The elastic force of the spring is less than the pressure of the feeding machine discharge end；The spring pushes the injection head always
Retract the formwork.
4. controllability high-precision mold injection molding machine according to claim 3, which is characterized in that the injection head protrudes into institute
The one end for stating cover half is inverted truncated conical shape, and the discharge port of the injection head is located on the bottom surface of the rotary table；The cunning
The exit in road is provided with the round table-like receiving hole with the injection head matching ends.
5. controllability high-precision mold injection molding machine according to claim 4, which is characterized in that the discharge port of the injection head
It is recessed inwardly to form counterbore, the counter bore hole diameters are greater than the discharge port diameter；Blocking, the blocking are provided on the counterbore
One end be fixed to the counterbore edge, the blocking diameter is greater than the discharge port and is less than the counterbore；The blocking
Height is less than the depth of the counterbore.
6. controllability high-precision mold injection molding machine according to claim 3, which is characterized in that be provided in the chute wall
Gas hole, the gas hole are located at the outside of one end equipped with piston seal when the injection head is fully retracted, the air blowing
Check valve is provided on hole.
7. controllability high-precision mold injection molding machine according to claim 1, which is characterized in that the cover half and described dynamic
Heater strip is provided in mould, the heater strip in the dynamic model is arranged around the slideway.
8. controllability high-precision mold injection molding machine according to claim 7, which is characterized in that the feeding machine includes charging
Bucket, screw conveyor and cartridge heater, the cartridge heater are sheathed on the outside of the screw conveyor.
9. controllability high-precision mold injection molding machine according to any one of claims 1 to 8, which is characterized in that the cover half
It is vertically arranged, the corresponding injection head vertically moves；The cover half side offers the progressive die mouth for dynamic model disengaging, institute
It states cover half bottom and offers material taking mouth.
10. controllability high-precision mold injection molding machine according to claim 9, which is characterized in that the dynamic model and the confession
The connection of material machine vertical sliding motion, the dynamic model bottom are provided with load lifting cylinder, and the load lifting cylinder bottom is fixed on the sliding bottom.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910527232.5A CN110103389B (en) | 2019-06-18 | 2019-06-18 | Controllable high-precision mold injection molding machine |
| CN201911093402.XA CN110815703B (en) | 2019-06-18 | 2019-06-18 | Controllable high-precision mold injection molding machine |
| CN201911093403.4A CN110789052B (en) | 2019-06-18 | 2019-06-18 | Controllable high-precision mold injection molding machine |
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- 2019-06-18 CN CN201910527232.5A patent/CN110103389B/en active Active
- 2019-06-18 CN CN201911093403.4A patent/CN110789052B/en active Active
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| US20090274790A1 (en) * | 2007-10-31 | 2009-11-05 | Husky Injection Molding Systems Ltd. | Shooting pot for feeding multiple nozzles |
| CN206367146U (en) * | 2016-12-24 | 2017-08-01 | 台州市黄岩广超模塑有限公司 | Outer wall decorative wallboard mould |
| CN206780815U (en) * | 2017-04-12 | 2017-12-22 | 东莞市谐攀塑胶五金制品有限公司 | A kind of injection mold of reinforced plastics extrudate density and intensity |
| CN108819122A (en) * | 2018-08-01 | 2018-11-16 | 昆山天匠精密模具有限公司 | Running gate system |
Also Published As
| Publication number | Publication date |
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| CN110789052B (en) | 2021-06-04 |
| CN110103389B (en) | 2019-12-13 |
| CN110815703A (en) | 2020-02-21 |
| CN110789052A (en) | 2020-02-14 |
| CN110815703B (en) | 2021-07-13 |
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Effective date of registration: 20191122 Address after: Laopo Town, Junan County, Linyi City, Shandong Province 276600 Applicant after: Shandong wan'ao Auto Accessory Technology Co., Ltd Address before: 512000 Loess Tan Team No. 26, Huangan Village Committee, Chongyang Town, Wujiang District, Shaoguan City, Guangdong Province Applicant before: Huang Yuhua |