CN208052516U - A kind of two trigger mode locking control systems - Google Patents
A kind of two trigger mode locking control systems Download PDFInfo
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- CN208052516U CN208052516U CN201820092417.9U CN201820092417U CN208052516U CN 208052516 U CN208052516 U CN 208052516U CN 201820092417 U CN201820092417 U CN 201820092417U CN 208052516 U CN208052516 U CN 208052516U
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- 238000013461 design Methods 0.000 abstract description 6
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- 238000000034 method Methods 0.000 description 8
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- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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Abstract
The utility model discloses a kind of two trigger mode locking control systems, is related to injection molding, die-cast formation equipment technical field.Two trigger mode locking control systems include：Main stop valve is arranged on working connection, the break-make of main stop valve control working connection and the first oil circuit；Switch valve connect with Mode-locking oil cylinder component and forms execution unit；When any one switch valve is closed, the fluid in working connection is led back to working connection by the switch valve of closing, and the fluid in corresponding Mode-locking oil cylinder component is led back to Mode-locking oil cylinder component, is realized the closing of working connection and Mode-locking oil cylinder component；Pressure release unit controls the break-make of working connection and oil return line.The utility model, which can be realized, is accurately positioned band-type brake position, the reasonable pressurize to system, and more rationally, reliably, cost is lower, is effectively improved the performance of two triggers for Control System Design.
Description
Technical field
The utility model is related to be molded, die-cast formation equipment technical field, more particularly to a kind of two trigger mode lockings control system
System.
Background technology
At present in plastic processing, die cast metal and rubber processing industry, it is related to injection molding apparatus, die-cast formation equipment
Used clamping mechanism mostly uses greatly double-plate (referred to as two triggers).Double-plate clamping mechanism due to its is simple and compact for structure,
It is easy to use and have been widely used.The open mold of two triggers is a cyclic process, each period includes molding, lock
The actions such as mould, oil cylinder reset, band-type brake, high-voltage lock mould, injection, pressure release and die sinking, after mold closing, two triggers supply mold foot
Enough clamp forces avoid mold from cracking and cause product unqualified to resist the cavity pressure that molten plastic enters die cavity generation
The phenomenon that occur.Existing two triggers generally use hydraulic system is controlled.Two trigger band-type brake positions accurately controlling and protecting
Hold be entire two triggers performance core.
In the prior art, the main problem for influencing two trigger performances has：
(1) system stability of two trigger band-type brake positions of control is poor, and designs complicated hydraulic system and pipeline arrangement
Keep appearance huge, required Hydraulic Elements quantity leads to cost higher more；
(2) when carrying out mode-lock operation, generally use zero-leakage valve carries out Mode-locking oil cylinder close existing mode locking control system
Envelope to realize the precise positioning to band-type brake component, but in practical work process, can not ensure not reveal, therefore at all
The positioning of band-type brake component is inaccurate, influences the performance of entire two trigger.
(3) after completing mode-lock operation, prior art generally use respectively to multiple mode locking oil pockets be sealed respectively into
And the method for realizing pressurize, and each mode locking oil pocket distinguishes pressurize, is not connected between each oil pocket, this structure causes multiple
Mode locking pull rod stress is inconsistent, cannot achieve the absolute uniform of clamp force, influences the performance of entire two trigger.
Utility model content
In view of the above-mentioned problems, the utility model proposes a kind of two trigger mode locking control systems, can realize to band-type brake position
Be accurately positioned, the reasonable pressurize to system, Control System Design more rationally, it is reliable, cost is lower, is effectively improved two
The performance of trigger.
The utility model uses following technical scheme：
A kind of two trigger mode locking control systems, including：In-line, working connection and oil return line are provided on in-line and change
The first oil circuit is communicated with to valve, between in-line and working connection, Mode-locking oil cylinder component one end is connected to working connection, and the other end passes through
Second oil circuit is connected to oil return line, further includes：
Main stop valve, main stop valve are arranged on working connection, the break-make of main stop valve control working connection and the first oil circuit；
Switch valve, switch valve connect with Mode-locking oil cylinder component and are formed execution unit, multiple execution unit shapes parallel with one another
At execution unit component, one end of execution unit component is connected to working connection, the other end of execution unit component and the second oil circuit
Connection；
When any one switch valve is closed, the fluid in working connection is led back to working connection by the switch valve of closing, will therewith
Fluid in corresponding Mode-locking oil cylinder component leads back to Mode-locking oil cylinder component, realizes the closing of working connection and Mode-locking oil cylinder component；
Pressure release unit, pressure release unit control the break-make of working connection and oil return line.
As a kind of preferred embodiment of the utility model, Mode-locking oil cylinder component is provided with locking piston bar, locking piston bar
Cylinder body is divided into mode locking oil pocket and demoulding oil pocket two parts, the compression area of mode locking oil pocket is more than the compression area of demoulding oil pocket,
The piston rod external part connection band-type brake component and displacement sensor, locking piston bar for demoulding oil pocket side drive band-type brake component reciprocal
Mobile, the realization of band-type brake component is opened a sluice gate or band-type brake action.
As a kind of preferred embodiment of the utility model, switch valve is reversal valve, and oil inlet and the working connection of switch valve connect
Logical, the oil outlet of switch valve is connected to mode locking oil pocket, working chamber hydraulic fluid port and the mode locking oil pocket of the close oil inlet side of switch valve
Connection, the working chamber hydraulic fluid port of the close oil outlet side of switch valve are connected to working connection.
As a kind of preferred embodiment of the utility model, pressure release unit includes guide oil switch valve, guide's oil circuit, relief valve
It is connected to working connection with one end of oil return stop valve, guide oil switch valve, one end that the other end passes through guide's oil circuit and relief valve
Connection, the other end of relief valve are connected to oil return line, and oil return stop valve is provided with control mouth, one end of oil return stop valve and main oil
Road is connected to, and the other end is connected to oil return line, and the control mouth of oil return stop valve is connected to guide's oil circuit.
As a kind of preferred embodiment of the utility model, one end and oil return cut-out of guide oil switch valve and relief valve
Damping is both provided in the control mouth of valve.
As a kind of preferred embodiment of the utility model, main stop valve is inserted valve, and main stop valve is provided with control mouth, main
The control mouth of stop valve is connected to working connection, and the control mouth end of main stop valve is provided with damping.
As a kind of preferred embodiment of the utility model, repairing switch is provided between execution unit component and oil return line
Valve.
As a kind of preferred embodiment of the utility model, repairing switch valve and guide oil switch valve are reversal valve.
As a kind of preferred embodiment of the utility model, pressure sensor and overflow have also been arranged in parallel on working connection
Valve.
The beneficial effects of the utility model are：
(1) two triggers mode locking control system provided by the utility model, by the way that execution unit parallel connection is formed execution unit
Component, the pressure for realizing each execution unit in execution unit component under each working condition is identical, execution unit it is same
Step property is good, and precision is high；By the way that switch valve is arranged, it can realize and band-type brake position is accurately positioned, by the way that main stop valve is arranged, in fact
Now to the reasonable pressurize of system, more rationally, reliably, cost is lower, is effectively improved the property of two triggers for Control System Design
Energy.
(2) two triggers mode locking control system provided by the utility model delays oil circuit by the way that the realization of pressure release unit is arranged
Slow pressure release reduces the impact to system and element, improves the service life and reliability of system；Also realize executive component
Rapid traverse meets the requirement of system rapidity and accuracy.
Description of the drawings
Fig. 1 is two triggers mode locking control system architecture schematic diagram provided by the utility model；
Fig. 2 is the oil communication schematic diagram of switch valve in two triggers mode locking control system provided by the utility model；
Fig. 3 is the oil communication signal of guide oil switch valve in two triggers mode locking control system provided by the utility model
Figure；
Fig. 4 is the oil communication schematic diagram of repairing switch valve in two triggers mode locking control system provided by the utility model.
In figure：
1, in-line；2, the first oil circuit；3, the second oil circuit；4, main stop valve；5, switch valve；
6, Mode-locking oil cylinder component；61, locking piston bar；62, mode locking oil pocket；63, oil pocket is demoulded；64, band-type brake component；65,
Displacement sensor；
7, pressure sensor；8, oil return stop valve；9, guide oil switch valve；91, guide's oil circuit；
10, it damps；11, relief valve；12, overflow valve；13, oil return line；14, repairing switch valve；15, reversal valve；16, pressure release
Unit；17, working connection.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, it illustrates only for ease of description, in attached drawing and the relevant part of the utility model rather than entire infrastructure.
As shown in Figure 1, for the structural schematic diagram of two triggers mode locking control system provided by the utility model.It can be seen from figure 1 that
It is system fuel feeding that in-line 1, which is connected to fuel tank, and oil return line 13 is connected to fuel tank and the oil in system is discharged, in-line 1 and working connection 17
Between be communicated with the first oil circuit 2.Mode-locking oil cylinder component 6 is the executive component of system, and 6 one end of Mode-locking oil cylinder component passes through switch valve
5 are connected to working connection 17, and the other end is connected to by the second oil circuit 3 with oil return line 13.Switch valve 5 controls Mode-locking oil cylinder component 6
Opening and closing, switch valve 5 correspond with Mode-locking oil cylinder component 6 and are formed execution unit, and multiple execution unit formation parallel with one another are held
Row unit block.Form execution unit component by four execution unit parallel connections in the present embodiment, one end of execution unit component with
Working connection 17 is connected to, and the other end of execution unit component is connected to the second oil circuit 3.
Mode-locking oil cylinder component 6 is internally provided with locking piston bar 61, and cylinder body is divided into mode locking oil pocket 62 by locking piston bar 61
With demoulding 63 two parts of oil pocket, specifically, the compression area of mode locking oil pocket 62 is more than the compression area of demoulding oil pocket 63, compression face
Long-pending difference, and then lead to the difference of 61 stress of locking piston bar.The piston rod external part for demoulding 63 side of oil pocket is connected to band-type brake
Component 64 and displacement sensor 65, displacement sensor 65 detect displacement.Locking piston bar 61 drives band-type brake component 64 to move back and forth,
The realization of band-type brake component 64 is opened a sluice gate or band-type brake action.Working connection 17 is connected to by switch valve 5 with mode locking oil pocket 62, and oil pocket 63 is demoulded
It is connected to oil return line 13 by the second oil circuit 3.I.e. fluid squeezes into mode locking oil pocket 62, and locking piston bar 61 stretches out, band-type brake component 64
Work, conversely, when needing the rapid traverse of moulding oil cylinder component 6, fluid is squeezed into demoulding oil pocket 63, and locking piston bar 61 moves back
It returns, the fluid of mode locking oil pocket 62 is quickly discharged.
Similarly, by the execution unit component of multiple execution units formation parallel with one another, the fluid of execution unit component by
Working connection 17 is squeezed into, and each moulding oil cylinder component 6 is distributed to, and makes each 6 associated movement of moulding oil cylinder component, demoulds the oil in oil pocket 63
Liquid is pooled in the second oil circuit 3, and then is discharged from oil return line 13.Conversely, when needing the rapid traverse of moulding oil cylinder component 6, oil
Liquid squeezes into execution unit component from the second oil circuit 3, distributes to the demoulding oil pocket 63 of each moulding oil cylinder component 6, makes each moulding oil
6 associated movement of cylinder component, meanwhile, the fluid in mode locking oil pocket 62 is pooled in working connection 17, is quickly discharged by oil return line 13,
Realize the rapid traverse of moulding oil cylinder component 6.
In the present invention, when any one switch valve 5 is closed, the switch valve 5 of closing is by the oil in working connection 17
Liquid leads back to working connection 17, and the fluid in corresponding Mode-locking oil cylinder component 6 is led back to Mode-locking oil cylinder component 6, is realized main oil
The closing on road 17 and Mode-locking oil cylinder component 6.Specifically, switch valve 5 can select the elements such as common Solenoid ball valve, in this implementation
In example, switch valve 5 is preferably two four-way electromagnetic reversing valves, specifically, as shown in Fig. 2, the oil circuit for switch valve 5 in system connects
Logical schematic diagram, when switch valve 5 is in right position working condition (hereinafter referred to as switch valve 5 is opened), the hydraulic oil of working connection 17 is divided
For two parts, a part and T mouthfuls of entrance are flowed out, another part enters from A mouthfuls, is flowed out from P mouthfuls, passes through the flow direction of oil circuit from B mouthfuls
It can obtain, the hydraulic oil of working connection 17 all flows into mode locking oil pocket 62 by switch valve 5.When switch valve 5 is in left position work
State (hereinafter referred to as switch valve 5 is closed), the hydraulic oil of working connection 17 is flowed into from T mouthfuls outflows back to working connection 17 from A mouthfuls, or main
The hydraulic oil of oil circuit 17 flows into from A mouthfuls and outflows back to working connection 17 from T mouthfuls, i.e., switch valve 5 closes the hydraulic oil of working connection 17；
Similarly, the hydraulic oil being connected with mode locking oil pocket 62 flows into from B mouthfuls and outflows back to mode locking oil pocket 62 from P mouthfuls, or flowed into from P mouthfuls from B
Mouth outflows back to mode locking oil pocket 62, i.e. switch valve 5 closes the hydraulic oil of mode locking oil pocket 62；At this point, switch valve 5 is by working connection 17
It is closed off with the oil circuit of mode locking oil pocket 62, has achieved the effect that block 62 oil circuit of working connection 17 and mode locking oil pocket.Switch valve 5
Setting so that when moulding oil cylinder component 6 reaches precalculated position, turning off the switch valve 5 keeps 6 holding position of moulding oil cylinder component motionless, into
One step, when multiple moulding oil cylinder components 6 respectively reach respective precalculated position, close respective switch valve 5.Switch valve 5 can be with
It realizes not by zero-leakage valve, can equally control the function of oil circuit break-make, and this set can solve to make in the prior art
With the interior leakage problem caused by zero-leakage valve or the switch valve of other structures so that the pressure of Mode-locking oil cylinder component 6 is more steady
It is fixed；Meanwhile after multiple 6 corresponding displacement sensor 65 of Mode-locking oil cylinder component detections in place, corresponding switch valve 5 can be made breaking,
It realizes that corresponding Mode-locking oil cylinder component 6 stops movement, and then realizes being accurately positioned for band-type brake position.
Specifically, reversal valve 15 is provided on in-line 1, in the present embodiment, reversal valve 15 is using 3-position 4-way electricity
Reversal valve is controlled, middle position is O-shaped, and in-line 1, oil return line 13, the first oil circuit 2 are connected to by reversal valve 15 with the second oil circuit 3, pass through control
The commutation of reversal valve 15 processed can be realized and switch to each oil circuit, and then realize the action of control Mode-locking oil cylinder component 6.Master cuts
Disconnected valve 4 is arranged on working connection 17, and main stop valve 4 controls the break-make of working connection 17 and the first oil circuit 2.Since main stop valve 4 is set
It sets on working connection 17, overcurrent flow is larger, it is therefore preferable that main stop valve 4 is inserted valve.Meanwhile main stop valve 4 is also set up
There are control mouth, the control mouth of main stop valve 4 to be connected to working connection 17, and the control mouth end of main stop valve 4 is provided with damping 10, it is main
The opening and closing of stop valve 4 is determined by the interaction of the pressure of in-line 1, the pressure of working connection 17 and spring force.
Pressure release unit 16 is arranged on working connection 17, and pressure release unit 16 controls the break-make of working connection 17 and oil return line 13, lets out
The flow restriction of pressure unit 16 can realize that the slow pressure release of oil circuit, the return-flow structure of pressure release unit 16 can realize Mode-locking oil cylinder
The rapid traverse of component 6.Specifically, flow restriction includes guide oil switch valve 9, guide's oil circuit 91 and relief valve 11, guide oil
One end of switch valve 9 is connected to working connection 17, and the other end is connected to by guide's oil circuit 91 with one end of relief valve 11, relief valve 11
The other end be connected to oil return line 13；Return-flow structure is oil return stop valve 8, and oil return stop valve 8 is provided with control mouth, oil return cut-out
One end of valve 8 is connected to working connection 17, and the other end is connected to oil return line 13, control mouth and the guide's oil circuit 91 of oil return stop valve 8
Connection.Further, it is both provided in the control mouth of one end and oil return stop valve 8 of guide oil switch valve 9 and relief valve 11
Damping 10.
Since oil return stop valve 8 will realize the rapid traverse of Mode-locking oil cylinder component 6, overcurrent flow is larger, it is therefore preferable that
Oil return stop valve 8 is inserted valve.Oil return stop valve 8 is additionally provided with control mouth, is connected to guide's oil circuit 91, that is, guide's oil circuit 91
The opening and closing of stop valve 8 is controlled, and then controls rapid traverse action.When needing slow pressure release, fluid is logical from guide oil switch valve 9
It crosses relief valve 11 and enters oil return line 13.The latus rectum of damping 10 and relief valve 11 before guide oil switch valve 9 and relief valve 11 compared with
It is small, a kind of flow restriction is formed, realizes slow pressure release.
Specifically, in the present embodiment, preferably guide oil switch valve 9 is two four-way electromagnetic reversing valves, preferably relief valve
11 be 2/2-way solenoid directional control valve.As shown in figure 3, for the oil communication schematic diagram of guide oil switch valve 9 in system, work as guide
Oil circuit breaker valve 9 is in right position state (referred to hereinafter as guide oil switch valve 9 is opened), and the fluid of working connection 17 is squeezing into guide's oil circuit breaker
It is divided into two-way before valve 9, enters all the way from P mouths of guide oil switch valve 9, from A mouthfuls of outflows, another way is from guide oil switch valve
9 B mouths enter, and are flowed out from T mouthfuls, collect from the fluid of the A mouths of guide oil switch valve 9 and T mouthfuls of outflows and squeeze into guide's oil circuit 91,
That is, the fluid of working connection 17 all squeezes into guide's oil circuit 91 by guide oil switch valve 9.When guide oil switch valve 9 is in left position
When state (referred to hereinafter as guide oil switch valve 9 is closed), the hydraulic oil of working connection 17, which is flowed into from P mouthfuls from B mouthfuls, outflows back to working connection
17 or the hydraulic oil of working connection 17 flowed into from B mouthfuls and from P mouthfuls outflow back to working connection 17, i.e., at this time guide oil switch valve 9 by main oil
The hydraulic oil on road 17 is closed；Hydraulic oil in guide's oil circuit 91 flows into from A mouthfuls and outflows back to guide's oil circuit 91 from T mouthfuls, or from T
Mouth, which is flowed into, outflows back to guide's oil circuit 91 from A mouthfuls, i.e., guide oil switch valve 9 closes the hydraulic oil in guide's oil circuit 91 at this time；
I.e. when guide oil switch valve 9 is in left position state, guide oil switch valve 9 closes off working connection 17 and guide's oil circuit 91,
Achieve the effect that block working connection 17 and guide's oil circuit 91, effect is identical as switch valve 5, and details are not described herein.
Pressure sensor 7 and overflow valve 12 are also arranged in parallel on working connection 17, pressure sensor 7 is for detecting main oil
The pressure change on road 17, and then convert the data of detection to electric signal and pass to control system, control system is fed back to respectively again
A electrically-controlled valve realizes the control to whole system.Overflow valve 12 plays safety valve in the entire system, when working connection 17
Pressure is excessive, and overflow valve 12 is opened, and by pressure pressure release, ensures the safety of system.
Further, it is provided with repairing switch valve 14 between execution unit component and oil return line 13, in the present embodiment, mends
Oil circuit breaker valve 14 is preferably two four-way electromagnetic reversing valves, and repairing switch valve 14 is used to realize the slow of oil circuit in pressure release Zhi Danyuan 16
It is execution unit component repairing in slow pressure leak process.
Two triggers mode locking control system disclosed by the utility model, it is further comprising the steps of：
(1) execution unit component action process is driven
When needing to drive the action of execution unit component, in-line 1 provides the hydraulic oil of certain pressure, and reversal valve 15 moves
To right position, the hydraulic oil in in-line 1 enters the first oil circuit 2, and oil liquid pressure overcomes the spring force of main stop valve 4 by main stop valve
4 open, and fluid enters working connection 17.The pressure in working connection 17 is less than the hydraulic oil in the first oil circuit 2 plus spring force at this time
Pressure, guide oil switch valve 9 open.At this point, relief valve 11 is closed, oil return stop valve 8 is closed, the fluid quilt in working connection 17
It is divided into two-way, is applied to the control mouth of oil return stop valve 8 by guide oil switch valve 9 all the way, another way is applied to oil return cut-out
The oil inlet of valve 8, since the active area at 8 control mouth end of oil return stop valve is more than the active area of oil return stop valve 8,
Pressure and spring force at 8 control mouth of oil return stop valve close oil return stop valve 8.
Switch valve 5 is opened, and the fluid in working connection 17 squeezes into execution unit component, distributes to each moulding oil cylinder component 6, oil
Liquid squeezes into mode locking oil pocket 62, and locking piston bar 61 stretches out, and drives each 6 associated movement of moulding oil cylinder component.Each moulding oil cylinder component 6
Demoulding oil pocket 63 in fluid be pooled in the second oil circuit 3, be finally discharged in oil return line 13.When any one moulding oil cylinder component
When 6 arrival precalculated position, position sensor 65 incudes, and corresponding switch valve 5 is closed.When each moulding oil cylinder component 6 arrives
When up to precalculated position, corresponding switch valve 5 is turned off, and drives the action of execution unit component to stop at this time, and then realize and embrace
Gate position is accurately positioned.
(2) Mode-locking oil cylinder component 6 reaches designated position pressurize
When the detection band-type brake of displacement sensor 65 component 64 reaches designated position, need to carry out pressurize operation.Specifically, it changes
It is moved to middle position to valve 15, in-line 1 is closed, the pressure of working connection 17 is very big, and the control mouth of main stop valve 4 is by main stop valve
4 close.At this point, guide oil switch valve 9 is closed, relief valve 11 is closed, and oil return stop valve 8 is closed, and switch valve 5 is opened, and is realized and is protected
Pressure.
In the prior art, packing stage is typically employed in setting reversal valve at moulding oil cylinder component 6, using the middle position of reversal valve
Function closes oil circuit, and then realizes pressurize, but in practical work process, the pressure in oil circuit is larger, and zero leakage
Valve can cause to reveal due to various reasons, and the pressure holding effect for thereby resulting in oil circuit is poor.Specifically, execution unit component is by more
A execution unit composition, each moulding oil cylinder component 6 is intended to carry out pressurize, at this point, the pressure holding effect of each moulding oil cylinder component 6
Difference can influence the performance and product quality of entire two trigger.In technical solution provided by the utility model, switch valve 5 is not
The oil circuit of moulding oil cylinder component 6 is sealed, but in the open state, multiple execution units in entire execution unit component
Oil circuit be interconnected, and be sealed by the oil circuit to whole system, each execution unit carried out to reach
The operation of pressurize so that the pressure holding effect of each execution unit is identical, substantially increases the ability of system pressurize, improves whole
The performance and product quality of a two trigger.
(3) control system pressure release
After the completion of pressurize operates, need to carry out pressure release to control system.Specifically, guide oil switch valve 9 is opened, pressure release
Valve 11 is opened, and oil return stop valve 8 is closed, and the high-voltage oil liquid in the mode locking oil pocket 62 of each moulding oil cylinder component 6 passes through working connection 17
It squeezes into pressure release unit 16 and realizes decompression function.
In the prior art, the pressure leak process of fluid is the switch valve by opening big orifice, makes the fluid in working connection 17
Oil return line 13 is flowed into realize pressure release.Since the pressure of fluid in system is huge, the switch valve of big orifice is thrown open, to liquid
Press the impact of element and system very big, reduce the reliability of system and the service life of element, and generate huge noise and
Vibration.The utility model proposes technical solution in, due to the entrance of arrival end and relief valve 11 in guide oil switch valve 9
End is provided with damping 10, it is preferable that damping 10 is set as the damping pore structure on pipeline, and the high pressure oil in working connection 17 passes through resistance
10 structure of Buddhist nun carries out pressure release, substantially reduces the impact of pressure.Further, due to guide oil switch valve 9 and relief valve 11
Latus rectum is smaller, and the high-pressure oil flow in working connection 17 is through the smaller guide oil switch valve 9 of latus rectum and relief valve 11 so that compression shock
It is same to reduce, finally realize the function of slow pressure release.
For the oil communication schematic diagram of repairing switch valve 14 in system, it is provided between execution unit component and oil return line 13
Repairing switch valve 14, in the present embodiment, repairing switch valve 14 are preferably two four-way electromagnetic reversing valves.As shown in fig. 1, exist
During system decompression, the left position of repairing switch valve 14 works, at this point, since reversal valve 15 is moved to middle position, in-line 1 is closed
It closes, there is no fluid in the second oil circuit 3.As shown in figure 4, the oil circuit in oil return line 13 is divided into two parts, a part is switched from repairing
The T mouths inflow of valve 14, A mouthfuls of outflows, another part flow into P mouthfuls of outflows from the B mouths of repairing switch valve 14, are flowed out from A mouthfuls and P mouthfuls
Hydraulic oil collects, and squeezes into execution unit component, that is, squeezes into the demoulding oil pocket 63 of each moulding oil cylinder component 6, is system repairing, this
Being arranged preferably the high-voltage oil liquid in the mode locking oil pocket 62 of each moulding oil cylinder component 6 to be discharged, and realize pressure release.
(4) rapid traverse of Mode-locking oil cylinder component 6
In practical work process, Mode-locking oil cylinder component 6 also needs to rapid traverse.Specifically, reversal valve 15 is moved to a left side
, the fluid in in-line 1 squeezes into the demoulding oil pocket 63 of each moulding oil cylinder component 6, is 61 counter motion fuel feeding of locking piston bar,
The 6 negative direction displacement of Mode-locking oil cylinder component is driven, it is also desirable to which the fluid in mode locking oil pocket 62 is quickly discharged.At this point, master cuts
Disconnected valve 4 is closed, and guide oil switch valve 9 is closed, and relief valve 11 is opened, and the fluid in mode locking oil pocket 62 is squeezed into back by working connection 17
In oily stop valve 8, since 71 close, relief valve 11 is opened, the control oil in oil return stop valve 8 is directly discharged to back from relief valve 11
In oil circuit 13, therefore oil return stop valve 8 is opened.Since in technical solution provided by the utility model, oil return stop valve 8 is preferred
For inserted valve, latus rectum and area of passage are larger, therefore can the fluid in mode locking oil pocket 62 be discharged fast into oil return line 13
In, and then realize the rapid traverse of Mode-locking oil cylinder component 6 and being accurately positioned for band-type brake position.
Two triggers mode locking control system provided by the utility model, can realize and be accurately positioned to band-type brake position, to being
The reasonable pressurize of system, more rationally, reliably, cost is lower, is effectively improved the performance of two triggers for Control System Design.Operation
Easier, functional is efficient, improves the qualification rate of product, reduces production cost.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment here, can carry out for a person skilled in the art various apparent
Change, readjust and substitutes without departing from the scope of protection of the utility model.Therefore, although by above example to this
Utility model is described in further detail, but the utility model is not limited only to above example, is not departing from this reality
Can also include other more equivalent embodiments in the case of with novel design, and the scope of the utility model is by appended power
Sharp claimed range determines.
Claims (9)
1. a kind of two trigger mode locking control systems, including：In-line (1), working connection (17) and oil return line (13), in the oil inlet
It is provided with reversal valve (15) on road (1), the first oil circuit (2) is communicated between the in-line (1) and the working connection (17), locks
Moulding oil cylinder component (6) one end is connected to the working connection (17), and the other end is connected to by the second oil circuit (3) with oil return line (13),
It is characterized in that, further including：
Main stop valve (4), the main stop valve (4) are arranged on the working connection (17), described in main stop valve (4) control
The break-make of working connection (17) and the first oil circuit (2)；
Switch valve (5), the switch valve (5) and the Mode-locking oil cylinder component (6) connect and are formed execution unit, multiple described to hold
Row unit formation execution unit component parallel with one another, one end of the execution unit component are connected to the working connection (17), institute
The other end for stating execution unit component is connected to second oil circuit (3)；
When any one of switch valve (5) are closed, the switch valve (5) of closing is by the fluid in the working connection (17)
The working connection (17) is led back to, the fluid in the corresponding Mode-locking oil cylinder component (6) is led back into the Mode-locking oil cylinder group
Part (6) is realized the closing of the working connection (17) and the Mode-locking oil cylinder component (6)；
Pressure release unit (16), the pressure release unit (16) control the break-make of the working connection (17) and the oil return line (13).
2. two triggers mode locking control system according to claim 1, which is characterized in that the Mode-locking oil cylinder component (6) sets
It is equipped with locking piston bar (61), cylinder body is divided into mode locking oil pocket (62) and demoulding oil pocket (63) two by the locking piston bar (61)
Point, the compression area of the mode locking oil pocket (62) is more than the compression area of the demoulding oil pocket (63), the demoulding oil pocket (63)
The piston rod external part connection band-type brake component (64) and displacement sensor (65) of side, described in locking piston bar (61) drive
Band-type brake component (64) moves back and forth, and band-type brake component (64) realization is opened a sluice gate or band-type brake action.
3. two triggers mode locking control system according to claim 2, which is characterized in that the switch valve (5) is reversal valve,
The oil inlet of the switch valve (5) is connected to the working connection (17), oil outlet and the mode locking oil pocket of the switch valve (5)
(62) it is connected to, the working chamber hydraulic fluid port of the close oil inlet side of the switch valve (5) is connected to the mode locking oil pocket (62), described
The working chamber hydraulic fluid port of the close oil outlet side of switch valve (5) is connected to the working connection (17).
4. two triggers mode locking control system according to claim 1, which is characterized in that the pressure release unit (16) includes first
Oil Guide switch valve (9), guide's oil circuit (91), relief valve (11) and oil return stop valve (8), the one of the guide oil switch valve (9)
End is connected to the working connection (17), and the other end is connected to by guide's oil circuit (91) with one end of the relief valve (11), described
The other end of relief valve (11) is connected to the oil return line (13), and the oil return stop valve (8) is provided with control mouth, the oil return
One end of stop valve (8) is connected to the working connection (17), and the other end is connected to the oil return line (13), the oil return stop valve
(8) control mouth is connected to the guide's oil circuit (91).
5. two triggers mode locking control system according to claim 4, which is characterized in that the guide oil switch valve (9) and
It is both provided with damping (10) in the control mouth of one end of relief valve (11) and the oil return stop valve (8).
6. two triggers mode locking control system according to claim 1, which is characterized in that the main stop valve (4) is inserting
Valve, the main stop valve (4) are provided with control mouth, and the control mouth of the main stop valve (4) is connected to the working connection (17), and
The control mouth end of the main stop valve (4) is provided with damping (10).
7. two triggers mode locking control system according to claim 5, which is characterized in that the execution unit component with it is described
Repairing switch valve (14) is provided between oil return line (13).
8. two triggers mode locking control system according to claim 7, which is characterized in that the repairing switch valve (14) and institute
It is reversal valve to state guide oil switch valve (9).
9. two triggers mode locking control system according to claim 1, which is characterized in that on the working connection (17) also simultaneously
Connection is provided with pressure sensor (7) and overflow valve (12).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820092417.9U CN208052516U (en) | 2018-01-19 | 2018-01-19 | A kind of two trigger mode locking control systems |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820092417.9U CN208052516U (en) | 2018-01-19 | 2018-01-19 | A kind of two trigger mode locking control systems |
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| CN208052516U true CN208052516U (en) | 2018-11-06 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108058353A (en) * | 2018-01-19 | 2018-05-22 | 欧任伍 | A kind of two trigger locked mode control systems and its oil circuit control method |
| CN109435190A (en) * | 2018-11-15 | 2019-03-08 | 德科摩橡塑科技(东莞)有限公司 | Mode-locking oil cylinder and groups oil cylinders synchronizing mode-licked device |
| CN109760281A (en) * | 2018-12-29 | 2019-05-17 | 宁波长飞亚塑料机械制造有限公司 | A kind of modified two-plate type injection machine mode locking pressure release oil circuit |
| CN110757751A (en) * | 2019-09-29 | 2020-02-07 | 宁波力劲机械有限公司 | Oil circuit system of direct and fast clamping mechanism of two-plate injection molding machine for spring mold |
| CN110918937A (en) * | 2019-11-07 | 2020-03-27 | 宁波力劲科技有限公司 | Hydraulic control system for injection speed of die casting machine and control method thereof |
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2018
- 2018-01-19 CN CN201820092417.9U patent/CN208052516U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108058353A (en) * | 2018-01-19 | 2018-05-22 | 欧任伍 | A kind of two trigger locked mode control systems and its oil circuit control method |
| CN109435190A (en) * | 2018-11-15 | 2019-03-08 | 德科摩橡塑科技(东莞)有限公司 | Mode-locking oil cylinder and groups oil cylinders synchronizing mode-licked device |
| CN109760281A (en) * | 2018-12-29 | 2019-05-17 | 宁波长飞亚塑料机械制造有限公司 | A kind of modified two-plate type injection machine mode locking pressure release oil circuit |
| CN110757751A (en) * | 2019-09-29 | 2020-02-07 | 宁波力劲机械有限公司 | Oil circuit system of direct and fast clamping mechanism of two-plate injection molding machine for spring mold |
| CN110757751B (en) * | 2019-09-29 | 2021-11-30 | 宁波力劲机械有限公司 | Oil circuit system of direct and fast clamping mechanism of two-plate injection molding machine for spring mold |
| CN110918937A (en) * | 2019-11-07 | 2020-03-27 | 宁波力劲科技有限公司 | Hydraulic control system for injection speed of die casting machine and control method thereof |
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Effective date of registration: 20190605 Address after: 510820 East Side of Shihushan Road, Dongfeng Village, Carbon Bu Town, Huadu District, Guangzhou City, Guangdong Province Co-patentee after: Ou Renwu Patentee after: Guangzhou Liquan Machinery Equipment Co., Ltd. Co-patentee after: Ye Tingbi Address before: 528300 No. 701, No. 1 Yungui Second Street, Daliang Street, Shunde District, Foshan City, Guangdong Province Patentee before: Ou Renwu |
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Effective date of registration: 20210416 Address after: 528000 one of block 5, west 5, Chuangxin Avenue, Leping Town, Sanshui District, Foshan City, Guangdong Province Patentee after: Foshan Baosu Precision Machinery Co.,Ltd. Patentee after: Ye Tingbi Address before: 510820 East Side of Shihushan Road, Dongfeng Village, Carbon Bu Town, Huadu District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Liquan Machinery Equipment Co.,Ltd. Patentee before: Ou Renwu Patentee before: Ye Tingbi |