CN108890990A - The method and apparatus of valve member, the mold system with it and opening cast gate - Google Patents
The method and apparatus of valve member, the mold system with it and opening cast gate Download PDFInfo
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- CN108890990A CN108890990A CN201810873007.2A CN201810873007A CN108890990A CN 108890990 A CN108890990 A CN 108890990A CN 201810873007 A CN201810873007 A CN 201810873007A CN 108890990 A CN108890990 A CN 108890990A
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- valve
- interface
- liquid
- cast gate
- flow rate
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 116
- 230000001105 regulatory effect Effects 0.000 claims abstract description 69
- 239000012530 fluid Substances 0.000 claims abstract description 38
- 241000222712 Kinetoplastida Species 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 27
- 238000004513 sizing Methods 0.000 abstract description 27
- 238000010586 diagram Methods 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000000465 moulding Methods 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
- B29C45/30—Flow control means disposed within the sprue channel, e.g. "torpedo" construction
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of valve member, the mold system with it and the method and apparatus of opening cast gate, includes in valve member：Electromagneitc valve for fluid, the Electromagneitc valve for fluid include first interface and second interface；The Electromagneitc valve for fluid can receive liquid from first interface and control the liquid to flow out from second interface, or can receive liquid from second interface and control the liquid and flow out from first interface；Flow rate regulating valve is provided in the second interface, the flow rate regulating valve can control the flow velocity that liquid flows through second interface.The valve member can not only control the flow direction of liquid, but also can control the flow velocity of liquid, and then can control the speed that sizing material is flowed out from cast gate.
Description
Technical field
The present invention relates to injection mold fields more particularly to a kind of valve member, the mold system with it and opening to pour
The method and apparatus of mouth.
Background technique
Hot runner system is a kind of device of common production plastic product, is carrying out injection molding using hot runner mould
In the process, opening or closing for cast gate can be controlled using the up and down motion of cast gate needle, i.e., if cast gate needle moves downward,
Then final cast gate needle can block cast gate, and cast gate is in closed state, and sizing material can not inject in mold cavity；And if cast gate needle
It moves upwards, then final cast gate needle can be detached from cast gate, and in opened condition, sizing material can be injected into mold cavity cast gate.
In actual production, inventors have found that when cast gate becomes opening from being closed, sizing material can be with cracking flow velocity from pouring
Mouth is injected into mold cavity, so that flow front flow velocity and pressure that sizing material is not unified, so that final products
Defective (for example, heat spot or weld mark etc.).Especially in the relatively high product of production appearance requirement (for example, cosmetics product
Deng) when, this needs strongly to be avoided.
Therefore it provides a kind of hot runner system that can effectively control flow velocity when sizing material is flowed out from cast gate, just becomes one
A urgent problem to be solved.
Summary of the invention
The purpose of the present invention is to provide the methods and dress of a kind of valve member, the mold system with it and opening cast gate
It sets.
One of in order to achieve the above-mentioned object of the invention, an embodiment of the present invention provides a kind of valve member, including following
Module：Electromagneitc valve for fluid, the Electromagneitc valve for fluid include first interface and second interface；The Electromagneitc valve for fluid can be from
One interface liquid simultaneously control the liquid from second interface flow out, or can from second interface receive liquid,
And it controls the liquid and is flowed out from first interface；Flow rate regulating valve is provided in the second interface, the flow velocity is adjusted
Valve can control the flow velocity that liquid flows through second interface.
As the further improvement of an embodiment of the present invention, the flow rate regulating valve is one-way throttle valve, described unidirectional
Throttle valve can control liquid from first interface flow into, again from second interface flow out when flow velocity, but do not control liquid from
Flow velocity when second interface is flowed into, flowed out again from first interface.
As the further improvement of an embodiment of the present invention, the one-way throttle valve includes check valve and throttle valve；
When liquid is flowed into from first interface, is flowed out again from second interface, liquid can only be flowed through from throttle valve and can not be from unidirectional
Valve flows through；When liquid is flowed into from second interface, flowed out again from first interface, liquid can be flowed through from check valve.
As the further improvement of an embodiment of the present invention, the flow rate regulating valve, including：The flow rate regulating valve includes
There are valve body, knob, lock & key；The flow velocity that liquid flows through valve body can be adjusted by rotating the knob；When lock and key
When spoon matching, knob can be rotated, and otherwise can not be rotated.
As the further improvement of an embodiment of the present invention, the first interface and second interface are connected to by pipeline
The Electromagneitc valve for fluid, the flow rate regulating valve are connected in the pipeline between second interface and Electromagneitc valve for fluid.
As the further improvement of an embodiment of the present invention, the liquid is gas or oil body.
As the further improvement of an embodiment of the present invention, the flow rate regulating valve is the valve of electronic type, the stream
Fast regulating valve can according to received control instruction open, close and/or control liquid flows through the flow velocity of flow rate regulating valve.
The embodiment of the invention also provides a kind of mold systems, comprising with lower module：Hot runner system, mold cavity and on
The valve member stated；The hot runner system includes epicoele entrance, cavity of resorption entrance, cast gate needle and cast gate；When liquid from
When epicoele entrance is flowed into and flowed out from cavity of resorption entrance, cast gate needle blocks cast gate；When liquid from cavity of resorption entrance flow into and from
When epicoele entrance flows out, cast gate needle is detached from cast gate, and the speed being detached from is directly proportional to the flow velocity of liquid；The epicoele entrance
It is connected to the first interface of the valve member, the cavity of resorption entrance is connected to the second interface of the valve member.
The embodiment of the invention also provides a kind of methods for above-mentioned opening cast gate, include the following steps：It receives and uses
The instruction of cast gate is opened in instruction；The flow velocity of the flow rate regulating valve is adjusted to preset initial value, the fluid electromagnetism is controlled
Valve receives liquid from first interface, flows out from second interface；Continue to increase the flow velocity of the flow rate regulating valve, until the stream
The flow velocity of fast regulating valve reaches default end value.
The embodiment of the invention also provides a kind of devices of opening cast gate for above-mentioned mold system, including with lower die
Block：Command reception module is used to indicate the instruction for opening cast gate for receiving；Initialization module, for adjusting the flow velocity
The flow velocity of valve is adjusted to preset initial value, is controlled the Electromagneitc valve for fluid from first interface and is received liquid, from second interface stream
Out；Flow velocity adjusts module, for continuing to increase the flow velocity of the flow rate regulating valve, until the flow velocity of the flow rate regulating valve reaches
Default end value.
Compared with the existing technology, the technical effects of the invention are that：The embodiment of the present invention provides a kind of valve member, has
Its mold system and the method and apparatus for opening cast gate include in valve member：Electromagneitc valve for fluid, the Electromagneitc valve for fluid packet
Contain first interface and second interface；The Electromagneitc valve for fluid can receive liquid from first interface and control the flowing
Body is flowed out from second interface, or can be received liquid from second interface and be controlled the liquid and flow out from first interface；
Flow rate regulating valve is provided in the second interface, the flow rate regulating valve can control the stream that liquid flows through second interface
Speed., which can not only control the flow direction of liquid, but also can control the flow velocity of liquid, into
And it can control the speed that sizing material is flowed out from cast gate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the mold system in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of the hot runner system in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram that the present embodiment includes hot runner system and valve member；
Fig. 4 is the structural schematic diagram of the flow rate regulating valve in the embodiment of the present invention；
Fig. 5 is the schematic illustration of the one-way throttle valve in the embodiment of the present invention；
Fig. 6 is the flow diagram of the method for the opening cast gate in the embodiment of the present invention.
Specific embodiment
Hereinafter, the present invention will be described in detail with reference to various embodiments shown in the accompanying drawings.But these embodiments are not
The limitation present invention, structure that those skilled in the art are made according to these embodiments, method or change functionally
It changes and is included within the scope of protection of the present invention.
The term of the representation space relative position used herein such as "upper", " top ", "lower", " lower section " is for just
A unit as shown in the drawings or feature are described relative to another unit or the relationship of feature in the purpose of explanation.It is empty
Between the term of relative position can be intended to include different direction of the equipment in use or work other than orientation as shown in the figure.
For example, the unit for being described as being located at other units or feature " below " or " under " will if the equipment in figure overturn
Positioned at other units or feature " top ".Therefore, exemplary term " lower section " can include above and below both orientation.If
It is standby to be otherwise directed (be rotated by 90 ° or other directions), and be interpreted accordingly used herein with space correlation
Language is described.
Also, it should be understood that although term first, second etc. can be used to describe herein various elements or
Structure, but these are described object and should not be limited by these terms.These terms are only used to by these description objects that
This is distinguished.For example, the first flow direction can be referred to as the second flow direction, and similarly the second flow direction can also be with
Referred to as the first flow direction, this protection scope without departing from the application.
Fig. 1 shows a kind of schematic diagram of common mold system, which generally includes hopper 1, barrel 2 and note
Moulding system 3；When in use, sizing material 11 is injected to hopper 1, sizing material 11 can be mixed, is delivered in adapted to injection system 3 by barrel 2, later
Adapted to injection system 3 can use sizing material 11 to carry out injection molding processing.
As shown in Fig. 2, adapted to injection system 3 includes hot runner system 31 and mold cavity 32.Hot runner system 31 is close to barrel 2
It is provided with sizing material entrance 311, i.e. sizing material 11 in barrel 2 is entered in hot runner system 31 by sizing material entrance 311.Hot flow path system
If system 31 includes flow distribution plate 312, xeothermic nozzle component 313 and cylinder body 314, if xeothermic nozzle component 313 and 312 phase mutual conductance of flow distribution plate
Logical, cylinder body 314 is located at 312 top of flow distribution plate；One end of flow distribution plate 312 is connected to sizing material entrance 311, to receive sizing material 11, and
Sizing material 11 is shunted by the other end and is flowed into each hot nozzle component 313；Hot nozzle component 313 and 32 phase mutual conductance of mold cavity
It is logical, so that sizing material 11 can enter in formed product mold cavity 32.Wherein, hot nozzle component 313 include cast gate 3131 and
The cast gate needle 3132 of cast gate 3131 described in opened/closed.
Cylinder body 314 includes cylinder body epicoele 3141, cylinder body cavity of resorption 3142 and the piston 3143 in the cylinder body 314, is lived
The lower end of plug 3143 connects cast gate needle 3132.Liquid flows in cylinder body epicoele 3141 and cylinder body cavity of resorption 3142, thus just
Piston 3143 can be controlled to be moved upwardly or downwardly, and then control 3132 opened/closed cast gate 3131 of cast gate needle.Specifically,
There is epicoele entrance 31411 on cylinder body epicoele 3141, there is cavity of resorption entrance 31421 on cylinder body cavity of resorption 3142.
When liquid enters cylinder body epicoele 3141 by epicoele entrance 31411, and liquid in cylinder body epicoele 3141 squeezes
When liquid in cylinder body cavity of resorption 3142, the liquid in cylinder body cavity of resorption 3142 is flowed out by cavity of resorption entrance 31421, at this point, cylinder body
314 band pistons 3143 move downward, meanwhile, cast gate needle 3132 moves downward and blocks cast gate 3131, and cast gate 3131 is in close
Conjunction state, the sizing material 11 in hot nozzle component 313 can not flow into mold cavity 32.For ease of description, can by liquid by
Epicoele entrance 31411 is flowed into and is flowed out by cavity of resorption entrance 31421, at this point, cast gate 3131 is in closed state, the referred to as first flowing
Direction.
When liquid enters cylinder body cavity of resorption 3142 by cavity of resorption entrance 31421, and liquid in cylinder body cavity of resorption 3142 squeezes
When liquid in cylinder body epicoele 3141, the liquid in cylinder body epicoele 3141 is flowed out by epicoele entrance 31411, at this point, cylinder body
314 band pistons 3143 move upwards, meanwhile, cast gate needle 3132 moves upwards and is detached from cast gate 3131, and cast gate 3131 is in beat
Open state, the sizing material 11 in hot nozzle component 313 flows into mold cavity 32, and cast gate needle 3132 is detached from the speed of cast gate 3131
It spends directly proportional to the flow velocity of liquid.For ease of description, liquid can be flowed by cavity of resorption entrance 31421 and by epicoele
Entrance 31411 flows out, at this point, cast gate 3131 is in opened condition, referred to as the second flow direction.Optionally, cylinder body 314 can be oil
Cylinder, liquid can be flowing oil body or gas, and but not limited to this.
In conclusion in hot runner system 3, as long as flow direction (i.e. the first flow direction or the of control liquid
Two flow directions) it sizing material 11 can be controlled can be injected into mold cavity 32.In practice, for the ease of control liquid
Flow direction usually can be provided with valve member 33 in pyroflow system, and valve member 33 can control the stream of liquid
Dynamic direction, i.e. control liquid are flowed with the first flow direction or with the flowings of the second flow direction.
It is an object of the invention to provide a kind of valve member 33, which can not only control the stream of liquid
Dynamic direction, but also the flow velocity of liquid can be controlled.
The embodiment of the present invention one provides a kind of valve member 33, as shown in figure 3, comprising the following modules：Electromagneitc valve for fluid
331, the Electromagneitc valve for fluid 331 includes first interface 332 and second interface 333；The Electromagneitc valve for fluid 331 can be from
One interface 332 receives liquid and controls the liquid to flow out from second interface 333, or can connect from second interface 333
It receives liquid and controls the liquid and flowed out from first interface 332；
Flow rate regulating valve 334 is provided in the second interface 333, the flow rate regulating valve 334 can control flowing
Body flows through the flow velocity of second interface 333.
Here, in the valve member 33, synchronization, stream of the liquid in first interface 332 and second interface 333
Speed be it is equal, therefore, flow rate regulating valve 334 adjust liquid flow through the speed of second interface 333 while, also indirectly
Have adjusted the speed that liquid flows through first interface 332.
Here, the valve member 33 can wrap containing multiple groups Electromagneitc valve for fluid 331, and every group of Electromagneitc valve for fluid 331 is distinguished
It is corresponding with first interface 332, second interface 333 and flow rate regulating valve 334, i.e., every group of Electromagneitc valve for fluid 331 can be with independent control
The opening and closing of one cast gate 3131.
When in use, it needs to enter the first, second interface respectively at epicoele entrance 31411, the cavity of resorption of hot runner system 31
Mouth 31421 is connected, for example, first interface 332 is connected with epicoele entrance 31411 in Fig. 3, second interface 333 and cavity of resorption
Entrance 31421 is connected, it is to be understood that Fig. 3 is only an example, and another optional scheme is：First interface 332
It is connected with cavity of resorption entrance 31421, second interface 333 is connected with epicoele entrance 31411.
Optionally, the outer surface of the first, second interface is provided with screw thread, in epicoele entrance 31411, cavity of resorption entrance
31421 inner surface is also equipped with corresponding screw thread, therefore, can be entered the first, second interface with epicoele by the screw thread
Mouth 31411, cavity of resorption entrance 31421 are connected.
The working principle that the valve member 33 is illustrated below based on Fig. 3, in Fig. 3, first interface 332 and epicoele entrance
31411 are connected, and second interface 333 is connected with cavity of resorption entrance 31421, and there are two types of situations：(1) in use, if
It needs to be closed cast gate 3131, then liquid is controlled by valve member 33 and flowed out from first interface 332, liquid is from epicoele later
Entrance 31411 is flowed into and is flowed out by cavity of resorption entrance 31421, then is flowed into from second interface 333, at this point, in hot runner system 31
In, the flow direction of liquid is the first flow direction, and therefore, cast gate 3131 is eventually in closed state, it is to be understood that herein
In the process, it does not need to make adjusting to flow rate regulating valve 334, or flow rate regulating valve 334 is made to be in maximum flow rate state i.e.
It can；(2) in use, if necessary to open cast gate 3131, firstly, it is necessary to by the flow velocity of flow rate regulating valve 334 adjust to
One desired value then controls liquid by valve member 33 and flows out from second interface 333, and liquid is from cavity of resorption entrance later
31421 flow into and are flowed out by epicoele entrance 31411, flow into from first interface 332, at this point, in hot runner system 31, stream
The flow direction of kinetoplast is the second flow direction, and therefore, cast gate needle 3132 moves upwards and eventually disengages from cast gate 3131, therefore,
During this, the flow velocity for continuing to adjust flow rate regulating valve 334 is needed, for example, at the beginning, the desired value is adjusted to one most
Small value, then slowly increase flow rate regulating valve 334 flow velocity (can at the uniform velocity increase), so as to control cast gate needle 3132 to
The flow velocity of upper movement, i.e., at the beginning, control sizing material 11 are flowed out from cast gate 3131 with the flow velocity of very little, and flow velocity slowly increases later,
Therefore, sizing material have unified flow front flow velocity and pressure, thus avoid final product have defect (such as：Heat spot
Or weld mark etc.).
Optionally, flow rate regulating valve 334 can be arranged directly in second interface 333；As shown in figure 3, can also be
It is provided with pipeline between two interfaces 333 and Electromagneitc valve for fluid 331, and flow rate regulating valve 334 can be connected in series in the pipeline；And
In Fig. 3, pipeline is also equipped between first interface 332 and Electromagneitc valve for fluid 331.
Here, flow rate regulating valve 334 can be various types of valves, such as：Throttle valve, one-way throttle valve etc..And
The flow rate regulating valve 334 can be to manually adjust (for example, speed regulation knob is provided in the flow rate regulating valve 334, to pass through
Rotation speed regulation knob, to adjust the flow velocity that liquid flows through flow rate regulating valve 334), or it is electronically controlled (for example, should
Flow rate regulating valve 334 receives when including the regulating command of flow speed value, can adjust liquid with the flow speed value and flow through flow velocity tune
Save the flow velocity of valve 334).
Optionally, Electromagneitc valve for fluid 331 can be electronically controlled, when Electromagneitc valve for fluid 331 receives the first flow direction tune
When section instruction, control liquid is flowed into from first interface 332 and is flowed out from second interface 333；When Electromagneitc valve for fluid 331 receives
When flowing to regulating command to second, control liquid is flowed into from second interface 333 and is flowed out from first interface 332.
Fig. 4 shows the structural schematic diagram of flow rate regulating valve 334, which includes valve body 3341, knob
3342 and key 3343, there are two pipe joints for setting on valve body 3341, can adjust liquid stream by rotating knob 3342
Flow velocity through the two pipe joints, the knob 3342 is maliciously rotated in order to prevent, is provided with lock (not on the knob 3342
Diagram) and key 3343, only when lock & key 3343 matches, knob 3342 can be rotated, and otherwise can not be rotated.
As shown in figure 3, the Electromagneitc valve for fluid 331 includes oil pressure valve 3311, pressure reducing valve 3312, reversal valve 3313 and pressure
Power table 3314 forms, and the structure and principle of Electromagneitc valve for fluid 331 belong to the prior art, and details are not described herein.
Preferably, the flow rate regulating valve 334 is one-way throttle valve, and the one-way throttle valve can control liquid from the
Flow velocity when one interface 332 is flowed into, flowed out again from second interface 333, but do not control liquid and flowed into, again from second interface 333
Flow velocity when being flowed out from first interface 332.
Preferably, as shown in figure 5, the one-way throttle valve includes check valve and throttle valve；When liquid connects from first
When mouth 332 is flowed into, flowed out again from second interface 333, liquid can only be flowed through from throttle valve and can not be flowed through from check valve；When
When liquid is flowed into from second interface 333, flowed out again from first interface 332, liquid can be flowed through from check valve.Fig. 5 is shown
A kind of schematic illustration of one-way throttle valve, the i.e. one-way throttle valve are that check valve and throttle valve are formed in parallel.Here, scheming
In 5, when liquid flows to B from A, check valve blocking, liquid can only be flowed through from throttle valve, and therefore, throttle valve can be adjusted
Rectify the flow velocity of kinetoplast；And when liquid flows to A from B, then liquid can be flowed through from check valve, and therefore, throttle valve is just
The flow velocity of liquid can not be adjusted.
Preferably, the flow rate regulating valve 334, including：The flow rate regulating valve 334 include valve body 3341, knob 3342,
Lock & key 3343；The flow velocity that liquid flows through valve body 3341 can be adjusted by rotating the knob 3342；When lock and key
When spoon 3343 matches, knob 3342 can be rotated, and otherwise can not be rotated.
Preferably, the first interface 332 and second interface 333 are connected to the Electromagneitc valve for fluid 331, institute by pipeline
It states in the pipeline that flow rate regulating valve 334 is connected between second interface 333 and Electromagneitc valve for fluid 331.
Preferably, the liquid is gas or oil body.
The flow rate regulating valve is the valve of electronic type, and the flow rate regulating valve can be beaten according to the received control instruction of institute
The flow velocity that liquid flows through flow rate regulating valve is closed and/or is controlled in open and close.
Second embodiment of the present invention provides a kind of mold systems, as shown in Figure 2 and Figure 3, comprising with lower module：Hot flow path system
Valve member 33 in system 31, mold cavity 32 and embodiment one；The hot runner system 31 include epicoele entrance 31411,
Cavity of resorption entrance 31421, cast gate needle 3132 and cast gate 3131；When liquid is flowed into from epicoele entrance 31411 and from cavity of resorption entrance
When 31421 outflow, cast gate needle 3132 blocks cast gate 3131；When liquid is flowed into from cavity of resorption entrance 31421 and from epicoele entrance
When 31411 outflow, cast gate needle 3132 is detached from cast gate 3131, and the distance being detached from is directly proportional to the speed of liquid；
The epicoele entrance 31411 is connected to the first interface 332 of the valve member 33, and the cavity of resorption entrance 31421 connects
Lead to the second interface 333 of the valve member 33.
Here, when the flow direction of liquid is the second flow direction, cast gate needle 3132 is detached from cast gate 3131, and be detached from
Speed is directly proportional to the flow velocity of liquid, i.e. the flow velocity of liquid is faster, and cast gate needle 3132 is got over far from the speed of cast gate 3131
Fastly, so that the flow velocity of the sizing material 11 flowed out from cast gate 3131 is faster；Conversely, the flow velocity of liquid is slower, cast gate needle 3132
Speed far from cast gate 3131 is slower, so that the flow velocity of the sizing material 11 flowed out from cast gate 3131 is slower.
Therefore, the flow velocity of flow rate regulating valve 334 can be flowed through by controlling liquid, so that it may control the outflow of sizing material 11 and pour
The flow velocity of mouth 3131, so as to effectively avoid some product defects (for example, heat spot or weld mark etc.).
Here, when liquid is flowed along the second flow direction, cast gate 3131 is opened, at this point, one-way throttle valve can
To control the flow velocity of liquid, to control the distance that cast gate needle 3132 is detached from cast gate 3131, namely the stream of sizing material 11 is had adjusted
The flow velocity of cast gate 11 out.
The embodiment of the present invention three provides a kind of method of opening cast gate for mold system described in embodiment two,
As shown in fig. 6, including the following steps：
Step 601：Receive the instruction for being used to indicate and opening cast gate 3131；
Step 602：The flow velocity of the flow rate regulating valve 334 is adjusted to preset initial value, the Electromagneitc valve for fluid is controlled
331 receive liquid from first interface 332, flow out from second interface 333；
Step 603：Continue to increase the flow velocity of the flow rate regulating valve 334, until the flow velocity of the flow rate regulating valve 334 reaches
To default end value.
In the method for above-mentioned opening cast gate, the flow velocity of fluid is adjusted to a very little speed first, control is flowed later
Kinetoplast is flowed with the second flow direction, so that cast gate needle 3132 is detached from cast gate 3131 with the speed of very little, so that
Sizing material 11 flows out cast gate 3131 with the speed of very little, so as to effectively avoid some product defects (for example, heat spot or molten
Lapping defect etc.).Later, in the speed for being stepped up liquid, that is, it is stepped up the distance that cast gate needle 3132 is detached from cast gate 3131,
Namely it is stepped up the speed of liquid outflow cast gate 3131.
Preferably, the flow velocity for increasing the flow rate regulating valve 334, including：It is described to increase with constant increment value
The flow velocity of flow rate regulating valve 334.It is all the uniform speed for increasing liquid i.e. when increasing the speed of liquid every time, thus
Cast gate needle 3132 is controlled to be at the uniform velocity detached from cast gate.
The embodiment of the invention also provides a kind of devices of the opening cast gate of mold system described in embodiment two, including
With lower module：
Command reception module is used to indicate the instruction for opening cast gate for receiving；
Initialization module controls the fluid for adjusting the flow velocity of the flow rate regulating valve 334 to preset initial value
Solenoid valve 331 receives liquid from first interface 332, flows out from second interface 333；
Flow velocity adjusts module, for continuing to increase the flow velocity of the flow rate regulating valve 334, until the flow rate regulating valve
334 flow velocity reaches default end value.
Optionally, the flow velocity adjusts module, is also used to：Increase the flow rate regulating valve 334 with constant increment value
Flow velocity.
It should be appreciated that although this specification is described in terms of embodiments, but not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solution in each embodiment may also be suitably combined to form those skilled in the art can for bright book
With the other embodiments of understanding.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of valve member, which is characterized in that the valve member includes：
Electromagneitc valve for fluid, the Electromagneitc valve for fluid include first interface and second interface；
The Electromagneitc valve for fluid can receive liquid from first interface and control the liquid to flow out from second interface, or
Person can receive liquid from second interface and control the liquid flows out from first interface；
Flow rate regulating valve is provided in the second interface, the flow rate regulating valve can control liquid and flow through second interface
Flow velocity.
2. valve member according to claim 1, it is characterised in that：
The flow rate regulating valve is one-way throttle valve, and the one-way throttle valve can control liquid and flow into, again from first interface
Flow velocity when being flowed out from second interface, but flow velocity when liquid is flowed into from second interface, flowed out again from first interface is not controlled.
3. valve member according to claim 2, it is characterised in that：
The one-way throttle valve includes check valve and throttle valve；
When liquid is flowed into from first interface, is flowed out again from second interface, liquid can only be flowed through from throttle valve and can not be from
Check valve flows through；
When liquid is flowed into from second interface, flowed out again from first interface, liquid can be flowed through from check valve.
4. valve member according to claim 1, which is characterized in that the flow rate regulating valve, including：
The flow rate regulating valve includes valve body, knob, lock & key；Liquid, which can be adjusted, by the rotation knob flows through valve
The flow velocity of body；When lock & key matching, knob can be rotated, and otherwise can not be rotated.
5. valve member according to claim 1, it is characterised in that：
The first interface and second interface are connected to the Electromagneitc valve for fluid by pipeline, and the flow rate regulating valve is connected on
In pipeline between two interfaces and Electromagneitc valve for fluid.
6. valve member according to claim 1, it is characterised in that：
The liquid is gas or oil body.
7. valve member according to claim 1, it is characterised in that：
The flow rate regulating valve is the valve of electronic type, the flow rate regulating valve can open according to the received control instruction of institute,
Close and/or control the flow velocity that liquid flows through flow rate regulating valve.
8. a kind of mold system, which is characterized in that comprising with lower module：
Hot runner system, mold cavity and the described in any item valve members of claim 1-7；
The hot runner system includes epicoele entrance, cavity of resorption entrance, cast gate needle and cast gate；When liquid is from epicoele entrance stream
When entering and flowing out from cavity of resorption entrance, cast gate needle blocks cast gate；
When liquid from cavity of resorption entrance flow into and from epicoele entrance flow out when, cast gate needle be detached from cast gate, and be detached from speed with
The flow velocity of liquid is directly proportional；
The epicoele entrance is connected to the first interface of the valve member, and the cavity of resorption entrance is connected to the second of the valve member
Interface.
9. a kind of method of the opening cast gate for mold system according to any one of claims 8, which is characterized in that including following step
Suddenly：
Receive the instruction for being used to indicate and opening cast gate；
The flow velocity of the flow rate regulating valve is adjusted to preset initial value, controls the Electromagneitc valve for fluid from first interface receiving stream
Kinetoplast is flowed out from second interface；
Continue to increase the flow velocity of the flow rate regulating valve, until the flow velocity of the flow rate regulating valve reaches default end value.
10. a kind of device of the opening cast gate for mold system according to any one of claims 8, which is characterized in that including with lower die
Block：
Command reception module is used to indicate the instruction for opening cast gate for receiving；
Initialization module controls the Electromagneitc valve for fluid for adjusting the flow velocity of the flow rate regulating valve to preset initial value
Liquid is received from first interface, is flowed out from second interface；
Flow velocity adjusts module, for continuing to increase the flow velocity of the flow rate regulating valve, until the flow velocity of the flow rate regulating valve reaches
To default end value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810873007.2A CN108890990A (en) | 2018-08-02 | 2018-08-02 | The method and apparatus of valve member, the mold system with it and opening cast gate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810873007.2A CN108890990A (en) | 2018-08-02 | 2018-08-02 | The method and apparatus of valve member, the mold system with it and opening cast gate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108890990A true CN108890990A (en) | 2018-11-27 |
Family
ID=64353175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810873007.2A Withdrawn CN108890990A (en) | 2018-08-02 | 2018-08-02 | The method and apparatus of valve member, the mold system with it and opening cast gate |
Country Status (1)
| Country | Link |
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| CN (1) | CN108890990A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103068551A (en) * | 2010-11-23 | 2013-04-24 | 圣万提注塑工业有限公司 | Injection molding flow control apparatus and method |
| CN205112284U (en) * | 2015-10-23 | 2016-03-30 | 柳道（青岛）热流道系统有限公司 | Valve formula hot runner system |
| CN206264276U (en) * | 2016-12-14 | 2017-06-20 | 柳道万和(苏州)热流道系统有限公司 | Air pressure electromagnetic valve component and the TOP-TIP with it |
| CN108223469A (en) * | 2016-12-14 | 2018-06-29 | 柳道万和(苏州)热流道系统有限公司 | Oil pressure electromagnetic valve component and with its hot runner system |
| CN208615233U (en) * | 2018-08-02 | 2019-03-19 | 柳道万和(苏州)热流道系统有限公司 | Valve member and mold system with it |
-
2018
- 2018-08-02 CN CN201810873007.2A patent/CN108890990A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103068551A (en) * | 2010-11-23 | 2013-04-24 | 圣万提注塑工业有限公司 | Injection molding flow control apparatus and method |
| CN205112284U (en) * | 2015-10-23 | 2016-03-30 | 柳道（青岛）热流道系统有限公司 | Valve formula hot runner system |
| CN206264276U (en) * | 2016-12-14 | 2017-06-20 | 柳道万和(苏州)热流道系统有限公司 | Air pressure electromagnetic valve component and the TOP-TIP with it |
| CN108223469A (en) * | 2016-12-14 | 2018-06-29 | 柳道万和(苏州)热流道系统有限公司 | Oil pressure electromagnetic valve component and with its hot runner system |
| CN208615233U (en) * | 2018-08-02 | 2019-03-19 | 柳道万和(苏州)热流道系统有限公司 | Valve member and mold system with it |
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